Add table view to database tree

CMakeLists.txt

@@ -17,7 +17,7 @@ if(SANITIZE_ADDRESS_LEAK)
     set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -fsanitize=address -fsanitize=leak")
 endif(SANITIZE_ADDRESS_LEAK)
 
-find_package(Qt6 COMPONENTS Widgets Sql OpenGLWidgets Qml Charts REQUIRED)
+find_package(Qt6 COMPONENTS Widgets Sql OpenGLWidgets Qml Charts Svg REQUIRED)
 find_library(EXIF_LIB exif REQUIRED)
 find_library(FITS_LIB cfitsio REQUIRED)
 find_library(RAW_LIB NAMES raw_r REQUIRED)
@@ -32,9 +32,13 @@ set(TENMON_SRC
     src/batchprocessing.cpp src/batchprocessing.h src/batchprocessing.ui
     src/chartgraph.h src/chartgraph.cpp
     src/database.cpp src/database.h
+    src/databasetree.cpp src/databasetree.h
+    src/databasetreekeys.ui
     src/databaseview.cpp src/databaseview.h
     src/delete.cpp
+    src/filemanager.h src/filemanager.cpp src/filemanager.ui
     src/filesystemwidget.cpp src/filesystemwidget.h
+    src/fitskeyword.ui
     src/histogram.cpp src/histogram.h
     src/httpdownloader.h src/httpdownloader.cpp
     src/imageinfo.cpp src/imageinfo.h
@@ -77,7 +81,7 @@ endif()
 qt_add_executable(tenmon WIN32 MACOSX_BUNDLE ${tenmon_ICON} ${TENMON_SRC})
 
 find_path(FITS_INCLUDE fitsio2.h PATH_SUFFIXES cfitsio REQUIRED)
-target_include_directories(tenmon PRIVATE ${FITS_INCLUDE} ${CMAKE_BINARY_DIR} ${libXISF_SOURCE_DIR})
+target_include_directories(tenmon PRIVATE ${FITS_INCLUDE} ${CMAKE_BINARY_DIR} ${libXISF_SOURCE_DIR} "src")
 
 option(COLOR_MANAGMENT "Enable sRGB framebuffer support for gamma correct images and color profiles support" ON)
 if(COLOR_MANAGMENT)
@@ -90,6 +94,7 @@ if(STELLARSOLVER_INCLUDE AND STELLARSOLVER_LIB)
     if(MXE)
         find_library(GSL_LIB gsl REQUIRED)
         find_library(GSLCBLAS_LIB gslcblas REQUIRED)
+        target_compile_definitions(tenmon PRIVATE "stellarsolver_STATIC")
         target_link_libraries(tenmon PRIVATE ${STELLARSOLVER_LIB} ${GSL_LIB} ${GSLCBLAS_LIB} boost_regex-mt-x64)
     else(MXE)
         target_link_libraries(tenmon PRIVATE ${STELLARSOLVER_LIB})
@@ -103,7 +108,7 @@ if(STELLARSOLVER_INCLUDE AND STELLARSOLVER_LIB)
     message(STATUS "Found stellarsolver ${STELLARSOLVER_INCLUDE} ${STELLARSOLVER_LIB}")
 endif(STELLARSOLVER_INCLUDE AND STELLARSOLVER_LIB)
 
-target_link_libraries(tenmon PRIVATE Qt6::Widgets Qt6::Sql Qt6::OpenGLWidgets Qt6::Qml Qt6::Charts ${EXIF_LIB} ${FITS_LIB} ${RAW_LIB} ${WCS_LIB} ${LCMS2_LIB} XISF)
+target_link_libraries(tenmon PRIVATE Qt6::Widgets Qt6::Sql Qt6::OpenGLWidgets Qt6::Qml Qt6::Charts Qt6::Svg ${EXIF_LIB} ${FITS_LIB} ${RAW_LIB} ${WCS_LIB} ${LCMS2_LIB} XISF)
 if(APPLE)
     target_link_libraries(tenmon PRIVATE Qt6::DBus "-framework CoreFoundation")
 elseif(UNIX)

README

@@ -2,7 +2,7 @@ FITS/XISF image viewer with multithreaded image loading
 
 To get all dependencies install these packages
 
-    sudo apt install qt6-base-dev qt6-declarative-dev libqt6opengl6-dev libraw-dev libexif-dev libcfitsio-dev wcslib-dev cmake libzstd-dev libqt6sql6-sqlite
+    sudo apt install qt6-base-dev qt6-declarative-dev qt6-charts-dev libqt6opengl6-dev libraw-dev libexif-dev libcfitsio-dev wcslib-dev cmake libzstd-dev libqt6sql6-sqlite
 
 on OpenSUSE
 
@@ -26,6 +26,10 @@ Then to build run standard cmake sequence
     cmake --build build
     ./build/tenmon
 
+To install it to system run this command as root
+
+    cmake --install build
+
 For working plate solving you must have compiled and installed StellarSolver https://github.com/rlancaste/stellarsolver
 It is important that you compile StellarSolver with Qt6. By default it use Qt5 but when linked with Qt6 program it will
 crash.

about/help_en

@@ -61,7 +61,7 @@ This image should be 256 pixel wide. Each row of image will be used as separate
     <li>mid point - defines the value to be stretched to 50% intensity</li>
     <li>white point - all pixels with higher value (brighter) than this will be clipped white</li>
 </ul>
-<p>Following the slider are 7 buttons for automatic stretching:</p>
+<p>Following the slider are 8 buttons to control image display:</p>
 <ul>
     <li><i>Linked channels</i> toggle stretching each RGB channel individually.</li>
     <li><i>Auto Stretch</i> automatically apply black and mid points to render the image with optimal brightness.</li>
@@ -70,6 +70,7 @@ This image should be 256 pixel wide. Each row of image will be used as separate
     <li><i>False colors</i> show black and white in false colour palette.</li>
     <li><i>Debayer CFA</i> Demosaicing black and white image from CFA sensor to color one.</li>
     <li><i>Apply Auto stretch on load</i> toggle automatically applying Autostretch for each image when loaded.</li>
+    <li><i>Draw equatorial grid</i> toggle drawing equatorial coordinate grid and catalogue objects. Needs that file have WCS data.</li>
 </ul>
 
 <h3>Marking images</h3>
@@ -121,6 +122,10 @@ Pressing Enter or clicking on <i>Filter</i> button will filter out database reco
 This example filters for files where: "Bias" is in the file name, the OBJECT property is "M_42" (where the underscore can be any single character), and the DATE property begins with "2022".
 </p>
 
+<h3>Database tree</h3>
+<p>This is another view that show indexed database as tree. You can add or remove tree filter that construct a tree structure from FITS keywords. Each level of tree
+will be based on this filter. You can specify one keywords multiple times.</p>
+
 <h3>Plate Solving</h3>
 <p>This module can plate solve images and update FITS header with solution for FITS and XISF images.
 <b>Profile</b> this set various parameters that affect star extraction and solving.
@@ -134,12 +139,43 @@ solver.
 <p>Then finally there are various action button. Settings button show dialog where you can set path to existing index files or auto download some.
 Extract button will just extract stars from image and it will show their count, HFR and eccentricity. This action doesn't need index files.
 Solve button will try to find coordinates of images. Abort button will stop extraction or solving. Update FITS header will update FITS fits keywords
-with found solution.
+with found solution.</p>
 
 <p>In settings dialog you can set path to index files which is by default custom internal one. It also try to locate commonly used path from other
 programs like KStars for astrometry.net index files.
 </p>
 
+<h3>File Manager</h3>
+<p>
+This is simple double panel file manager. It can show columns with selected FITS keywords. Each panel have tabs where it easily switch between
+multiple directories. You can copy or move files and directories either inside one panel or between two panels by selecting and then dragging.
+By default files are copies. To move then press Shift key before start dragging. Double click on file will open it in main window if it is image
+or other file it will open default program that is associated with it this file type. You can also drag file to other programs like from default
+file explorer programs that are in system or from file explorer to this program.
+</p>
+<p>
+In menu you can select which FITS keywords will be showed. Temporarilly disable loading FITS header or copy file paths of selected files as text.
+</p>
+
+<h3>Command line options</h3>
+<p>
+Tenmon can be executed from command line. It support these command line options.
+<ul>
+<li><i>--thumb, --thumbnail &lt;path&gt;</i> Generate thumbnail and save it to path. It generate it from first file provided as argument.</li>
+<li><i>-s, --size <size></i> size of generated thumbnail. Aspect ratio of input image is preserved.</li>
+<li><i>--script &lt;script&gt;</i> execute a script from file path same manner as executed from GUI.</li>
+<li><i>--scriptarg &lt;arg&gt>;</i> pass this string as variable scriptarg to a running script.</li>
+<li><i>--outdir &lt;dir&gt;</i> output dir for script execution. By default current working directory is used.</li>
+<li><i>--noexit</i> by default application exit when execution of script specified with --script ends. This prefent that.</li>
+<li><i>-h, --help</i> show help end exit.</li>
+Any other arguments are taken as input paths. If only one file path is specified then that image is open and image list is populated by directory
+containing that image. If directory is specified then it is same as selecting that directory in "Open directory recusivelly". If multiple files are
+specified then image list will contain just these speicified images.
+
+When exuecting script with --script then these paths are used as input files and directories as in "Batch processing"
+</ul>
+</p>
+
 <h3>Batch processing</h3>
 <p>This module allow to write scripts in JavaScript that process image files. Batch Processing window consist from three main parts. On top is list of input files and directories.
 You can add directories or individual files to this list. Directories are scanned recursively to find all files even non image files. This list of files is then passed to script in array named <b>files</b>.
@@ -159,7 +195,8 @@ this output directory is ignored.</p>
 <p>Bellow that is list of scripts. These scripts are located in application data directory. Select script which you want to run by clicking on it. Clicking on <i>Open scripts</i> will open directory with these scripts where you create new and edit them.
 Location of this directory is on Windows: "C:/Users/&lt;USER&gt;/AppData/Roaming/nou/Tenmon/scripts"  Linux: "~/.local/share/nou/Tenmon/scripts" MacOS: "~/Library/Application Support/nou/Tenmon/scripts"</p>
 
-<p>Next is Log windows that contain any messages that come from scripts. Mainly calls to <code>core.log()</code> At bottom there buttons that can start or stop execution of selected scripts.</p>
+<p>Next is Log windows that contain any messages that come from scripts. Mainly calls to <code>core.log()</code> At bottom there is console that enable run simple script commands and
+buttons that can start or stop execution of selected scripts.</p>
 
 <h4>core</h4>
 <p>There is global object called <b>core</b> that have these methods.</p>

about/help_fr

@@ -102,6 +102,60 @@ En appuyant sur la touche Enter ou en cliquant sur le bouton <i>Filtre</i>, les
 Cet exemple filtre les fichiers où : "Bias" figure dans le nom de fichier, la propriété OBJECT est "M_42" (où le trait de soulignement peut être n'importe quel caractère) et la propriété DATE commence par "2022".
 </p>
 
+<h3>Database tree</h3>
+<p>This is another view that show indexed database as tree. You can add or remove tree filter that construct a tree structure from FITS keywords. Each level of tree
+will be based on this filter. You can specify one keywords multiple times.</p>
+
+<h3>Plate Solving</h3>
+<p>This module can plate solve images and update FITS header with solution for FITS and XISF images.
+<b>Profile</b> this set various parameters that affect star extraction and solving.
+<b>Starting point</b> program will try to automatically determine optimal starting point which helps to speed up solving.
+You can leave one or both unchecked then it will attempt to do blind solving. If the position or scale is wrong it can actually
+fail to solve.
+<b>Solution</b> this section contain resulting solution like RA,DEC coordinates center of image, image field of view, orientation as degrees E of N,
+image scale in arcseconds per pixel, number of stars extracted and HFR fitting and eccentricity. Then there is log window for debug information from
+solver.
+</p>
+<p>Then finally there are various action button. Settings button show dialog where you can set path to existing index files or auto download some.
+Extract button will just extract stars from image and it will show their count, HFR and eccentricity. This action doesn't need index files.
+Solve button will try to find coordinates of images. Abort button will stop extraction or solving. Update FITS header will update FITS fits keywords
+with found solution.</p>
+
+<p>In settings dialog you can set path to index files which is by default custom internal one. It also try to locate commonly used path from other
+programs like KStars for astrometry.net index files.
+</p>
+
+<h3>File Manager</h3>
+<p>
+This is simple double panel file manager. It can show columns with selected FITS keywords. Each panel have tabs where it easily switch between
+multiple directories. You can copy or move files and directories either inside one panel or between two panels by selecting and then dragging.
+By default files are copies. To move then press Shift key before start dragging. Double click on file will open it in main window if it is image
+or other file it will open default program that is associated with it this file type. You can also drag file to other programs like from default
+file explorer programs that are in system or from file explorer to this program.
+</p>
+<p>
+In menu you can select which FITS keywords will be showed. Temporarilly disable loading FITS header or copy file paths of selected files as text.
+</p>
+
+<h3>Command line options</h3>
+<p>
+Tenmon can be executed from command line. It support these command line options.
+<ul>
+<li><i>--thumb, --thumbnail &lt;path&gt;</i> Generate thumbnail and save it to path. It generate it from first file provided as argument.</li>
+<li><i>-s, --size <size></i> size of generated thumbnail. Aspect ratio of input image is preserved.</li>
+<li><i>--script &lt;script&gt;</i> execute a script from file path same manner as executed from GUI.</li>
+<li><i>--scriptarg &lt;arg&gt>;</i> pass this string as variable scriptarg to a running script.</li>
+<li><i>--outdir &lt;dir&gt;</i> output dir for script execution. By default current working directory is used.</li>
+<li><i>--noexit</i> by default application exit when execution of script specified with --script ends. This prefent that.</li>
+<li><i>-h, --help</i> show help end exit.</li>
+Any other arguments are taken as input paths. If only one file path is specified then that image is open and image list is populated by directory
+containing that image. If directory is specified then it is same as selecting that directory in "Open directory recusivelly". If multiple files are
+specified then image list will contain just these speicified images.
+
+When exuecting script with --script then these paths are used as input files and directories as in "Batch processing"
+</ul>
+</p>
+
 <h3>Traitement par lot</h3>
 
 Ce module permet d'écrire des scripts en JavaScript qui traitent des fichiers images. La fenêtre de traitement par lots se compose de trois parties principales. En haut se trouve la liste des fichiers et répertoires d'entrée.

about/help_sk

@@ -51,6 +51,17 @@ na ktorej sa dajú nastaviť tri body.
     <li>stredný bod - pixeli s touto hodnotou budú zobrazené ako 50% šedá</li>
     <li>biely bod - pixeli nad touto hodnotou budú zobrazené ako biele</li>
 </ul>
+<p>Nasleduje 8 tlačidiel pre nastavenie zobrazenie obrázka:</p>
+<ul>
+    <li><i>Prepojené kanály</i> prepína medzi nataihnutím jasových urovní pre každý RGB kanál zvlášť alebo jednotné pre všetky kanály.</li>
+    <li><i>Automatické natiahnutie</i> automaticky nastavý čierny, šedý a biely bod pre optimálne zobrazenie..</li>
+    <li><i>Resetuj funkciu prevodu na obrazovku</i> nastavý hodnoty čierneho, šedého a bieleho bodu na východzie hodnoty.</li>
+    <li><i>Invertuj farby</i> invertuje zobrazené farby a zobrazý obrázok ako negatív.</li>
+    <li><i>Falošné farby</i> pre zobrazenie čiernobielych obrázkov sa použije farebná paleta.</li>
+    <li><i>Preved CFA na farbu</i> Demosaicing black and white image from CFA sensor to color one.</li>
+    <li><i>Aplikuj automatické natiahnutie pri načítaní</i> pri zapnutí </li>
+    <li><i>Vykresli equatoriálnu mriežku</i> zapína zobrazenie equatoriálnej mriežky. Je poitrebné aby súbor obsahoval WCS dáta.</li>
+</ul>
 <p>Prvé tlačidlo prepína prepojenie nastavenia čierneho, stretdného a bieleho bodu. Po prepnutí sa dá každý farebný kanál nastaviť
 samostatne.
 Nasleduje tlačidlo ktoré nastaví hodnoty čierneho a stredného bodu tak aby bol obrázok zobrazený optimálnym jasom.
@@ -94,6 +105,57 @@ V nasledovnom príklade sa vyhľadajú súbory ktoré majú v mene súboru "Bias
 zástupný znak za hocijaký reťazec znakov aj žiadny. Znak _ je tiež zástupný znak zastupujúci práve jeden znak.
 Bez použitia zástupných znakov sa vyhľadá iba presný výskyt.</p>
 
+<h3>Database tree</h3>
+<p>This is another view that show indexed database as tree. You can add or remove tree filter that construct a tree structure from FITS keywords. Each level of tree
+will be based on this filter. You can specify one keywords multiple times.</p>
+
+<h3>Plate Solving</h3>
+<p>Tento modul umožnuje vyriešiť obrázok a určiť RA, DEC koordináty a aktualizovať FITS a XISF súbory s WCS dátami.
+<b>Profil</b> toto nastavuje rôzne parametre ovplivňujúce extrahovanie hviezd a hľadanie koordinátov.
+<b>Štartovný bod</b> program sa pokúsi automaticky určiť bod začiatku hľadania koordinátov pre zrýchlenie hľadania.
+Možete nechať jednu alebo obydve voľbi nezaškrtnuté kedy sa bude hľadať riešenie naslepo. Ak je pozícia alebo škála nesprávna hľadanie môže zlyhať.
+<b>Riešenie</b> táto časť obsahuje výsledné riešenie hľadania ako sú RA,DEC koordináty stredu obrázku, veľkosť zorného poľa, uhol natočenia v stupňoch,
+škála obrázku v arcsekundách na pixel, počet nájdených hviezd a veľkosť hviezd HFR a excentricita. Potom je tu ešte okno so záznamom z riešenia.
+</p>
+<p>Pod tým je tlačidlo pre nastavenie cesty k indexovým súborom a ich stiahnutie. Je možné buď stiahnuť indexové súbory alebo použiť už existujúce súbory.
+Tlačidlo Extrahovať nájde hviezdy a zobrazý ich počet veľkosť HFR a excentricitu. Na toto nie sú potrebné indexové súbory.
+Tlačidlo Vyriešiť sa pokúsi nájsť koordináty obrázka. Zrušiť preruší hľadanie riešenia. Aktualizovať FITS hlavičku zapíše najdené riešenie do súboru.</p>
+
+<p>In settings dialog you can set path to index files which is by default custom internal one. It also try to locate commonly used path from other
+programs like KStars for astrometry.net index files.
+</p>
+
+<h3>File Manager</h3>
+<p>
+This is simple double panel file manager. It can show columns with selected FITS keywords. Each panel have tabs where it easily switch between
+multiple directories. You can copy or move files and directories either inside one panel or between two panels by selecting and then dragging.
+By default files are copies. To move then press Shift key before start dragging. Double click on file will open it in main window if it is image
+or other file it will open default program that is associated with it this file type. You can also drag file to other programs like from default
+file explorer programs that are in system or from file explorer to this program.
+</p>
+<p>
+In menu you can select which FITS keywords will be showed. Temporarilly disable loading FITS header or copy file paths of selected files as text.
+</p>
+
+<h3>Command line options</h3>
+<p>
+Tenmon can be executed from command line. It support these command line options.
+<ul>
+<li><i>--thumb, --thumbnail &lt;path&gt;</i> Generate thumbnail and save it to path. It generate it from first file provided as argument.</li>
+<li><i>-s, --size <size></i> size of generated thumbnail. Aspect ratio of input image is preserved.</li>
+<li><i>--script &lt;script&gt;</i> execute a script from file path same manner as executed from GUI.</li>
+<li><i>--scriptarg &lt;arg&gt>;</i> pass this string as variable scriptarg to a running script.</li>
+<li><i>--outdir &lt;dir&gt;</i> output dir for script execution. By default current working directory is used.</li>
+<li><i>--noexit</i> by default application exit when execution of script specified with --script ends. This prefent that.</li>
+<li><i>-h, --help</i> show help end exit.</li>
+Any other arguments are taken as input paths. If only one file path is specified then that image is open and image list is populated by directory
+containing that image. If directory is specified then it is same as selecting that directory in "Open directory recusivelly". If multiple files are
+specified then image list will contain just these speicified images.
+
+When exuecting script with --script then these paths are used as input files and directories as in "Batch processing"
+</ul>
+</p>
+
 <h3>Hromadné spracovanie</h3>
 
 Tento modul umožnuje písanie skriptov v JavaScripte ktoré spracujú súbory obrázkov. Okno Hromadného spracovanie pozostáva z troch častí. Navrchu je zoznam vstupných súborov a adresárov.
@@ -109,6 +171,12 @@ V skripte potom cez toto pole iteruje nasledovne.
 }
 </pre>
 
+<p>Pod týmto zoznamom je výstupný adresár. Všetky relatívne cesty predané do metod ako sú copy(), move() alebo convert() budú relatívne voči tomuto adresáru.
+Ak je ako argument použitá absolútna cesta tak je tento vystupný adresár ignorovaný.</p>
+
+<p>Nasleduje logovacie okno kde sú zapisováné všetký výpisy z behu scriptu. Hlavne volania z <code>core.log()</code> Na spodu je konzola kde je možné vkladať jednoduché príkazy a nakoniec ešte tlačítka
+ktoré spúštať alebo zastavovať vybraný skript.</p>
+
 <h4>core</h4>
 V skripte je dostupný globálny objekt nazvaný <b>core</b> ktorý má nasledovné metódy.
 <ul>

about/tenmon

@@ -2,7 +2,7 @@
 <td style="padding-right:10px"><img src=":/space.nouspiro.tenmon.png"></td>
 <td><h3>Tenmon</h3>
 Tenmon is FITS/XISF image viewer and converter. It also index FITS keywords.<br>
-v@GITVERSION@ Copyright © 2022 Dušan Poizl<br><br>
+v@GITVERSION@ Copyright © 2026 Dušan Poizl<br><br>
 
 This program is free software: you can redistribute it and/or modify<br>
 it under the terms of the GNU General Public License as published by<br>

space.nouspiro.tenmon.metainfo.xml

@@ -33,6 +33,7 @@
             <li>Color space aware</li>
             <li>Histogram</li>
             <li>Scripting</li>
+            <li>Plate solving</li>
         </ul>
     </description>
     <categories>
@@ -46,6 +47,7 @@
     </keywords>
     <url type="homepage">https://nouspiro.space/?page_id=206</url>
     <url type="bugtracker">https://github.com/flathub/space.nouspiro.tenmon/issues</url>
+    <url type="vcs-browser">https://gitea.nouspiro.space/nou/tenmon</url>
     <screenshots>
         <screenshot type="default">
             <caption>Main window with image</caption>
@@ -58,6 +60,33 @@
     </screenshots>
     <content_rating type="oars-1.1"/>
     <releases>
+    <release version="20260217" date="2026-02-17">
+      <description>
+        <ul>
+          <li>Fix potentional crash</li>
+          <li>Enable sorting of FITS info</li>
+        </ul>
+      </description>
+    </release>
+    <release version="20251101" date="2025-11-01">
+      <description>
+        <ul>
+          <li>Better image Save as</li>
+          <li>Fix xisf file corruption when platesolving</li>
+          <li>Add selecting language</li>
+        </ul>
+      </description>
+    </release>
+    <release version="20250915" date="2025-09-15">
+      <description>
+        <ul>
+          <li>Draw equatorial grid and objects overlay</li>
+          <li>File Manager</li>
+          <li>Support for PCL:AstrometricSolution</li>
+          <li>Script console</li>
+        </ul>
+      </description>
+    </release>
     <release version="20250429" date="2025-04-29">
       <description>
         <ul>
@@ -118,7 +147,7 @@
     </release>
     <release version="20240816" date="2024-08-16">
       <description>
-        Fix saving image
+        <p>Fix saving image</p>
       </description>
     </release>
     <release version="20240616" date="2024-06-16">

src/about.cpp

@@ -15,11 +15,13 @@ About::About(QWidget *parent) : QDialog(parent)
     QLabel *label = new QLabel(this);
 
     QFile tenmonText(":/about/tenmon");
-    tenmonText.open(QIODevice::ReadOnly);
-    QByteArray text = tenmonText.readAll();
-    text.replace("@GITVERSION@", GITVERSION);
-    label->setText(text);
-    label->setOpenExternalLinks(true);
+    if(tenmonText.open(QIODevice::ReadOnly))
+    {
+        QByteArray text = tenmonText.readAll();
+        text.replace("@GITVERSION@", GITVERSION);
+        label->setText(text);
+        label->setOpenExternalLinks(true);
+    }
 
     QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok);
     connect(buttonBox, &QDialogButtonBox::accepted, this, &QDialog::accept);
@@ -41,8 +43,8 @@ HelpDialog::HelpDialog(QWidget *parent) : QDialog(parent)
     layout->addWidget(helpText);
 
     QFile tenmonText(":/help");
-    tenmonText.open(QIODevice::ReadOnly);
-    helpText->setHtml(tenmonText.readAll());
+    if(tenmonText.open(QIODevice::ReadOnly))
+        helpText->setHtml(tenmonText.readAll());
 }
 
 QString getVersion()

src/batchprocessing.cpp

@@ -13,11 +13,11 @@
 #include <QChart>
 #include <QChartView>
 #include <QLineSeries>
+#include <QCompleter>
 #include "scriptengine.h"
 #include "chartgraph.h"
 
 #ifdef Q_OS_LINUX
-#include <QCloseEvent>
 #include <QDBusConnection>
 #include <QDBusMessage>
 #endif
@@ -98,18 +98,43 @@ BatchProcessing::BatchProcessing(Database *database, QWidget *parent) : QDialog(
         qWarning() << "Failed to get app data location";
     }
 
-    connect(_ui->addFilesButton, &QPushButton::released, this, &BatchProcessing::addFiles);
-    connect(_ui->addDirButton, &QPushButton::released, this, &BatchProcessing::addDir);
+    connect(_ui->addFilesButton, &QPushButton::released, this, static_cast<void (BatchProcessing::*)()>(&BatchProcessing::addFiles));
+    connect(_ui->addDirButton, &QPushButton::released, this, static_cast<void (BatchProcessing::*)()>(&BatchProcessing::addDir));
     connect(_ui->addMarkedButton, &QPushButton::released, this, &BatchProcessing::addMarked);
     connect(_ui->removeButton, &QPushButton::released, this, &BatchProcessing::removePath);
     connect(_ui->removeAllButton, &QPushButton::released, this, &BatchProcessing::removeAllPaths);
-    connect(_ui->startButton, &QPushButton::released, this, &BatchProcessing::runScript);
+    connect(_ui->startButton, &QPushButton::released, this, static_cast<void (BatchProcessing::*)()>(&BatchProcessing::runScript));
     connect(_ui->stopButton, &QPushButton::released, this, &BatchProcessing::stopScript);
     connect(_ui->browseButton, &QPushButton::released, this, &BatchProcessing::browse);
     connect(_ui->openScriptsButton, &QPushButton::released, this, &BatchProcessing::openScriptDir);
 
     _textColor = _ui->log->palette().text().color();
 
+    _engine = new Script::ScriptEngine(_database, this);
+    connect(_engine, &Script::ScriptEngine::newMessage, this, &BatchProcessing::newMessage);
+
+    _completerModel = new QStringListModel(this);
+    _completer = new QCompleter(_completerModel, this);
+    _ui->consoleLineEdit->setCompleter(_completer);
+    connect(_ui->executeButton, &QPushButton::clicked, _ui->consoleLineEdit, &QLineEdit::returnPressed);
+    connect(_ui->consoleLineEdit, &QLineEdit::returnPressed, [this](){
+        if(!_completer->popup()->isVisible())
+        {
+            QString program = _ui->consoleLineEdit->text();
+            QJSValue val = _engine->eval(program);
+            _ui->consoleLineEdit->addLine();
+            //qDebug() << val.toString();
+        }
+    });
+
+    connect(_ui->consoleLineEdit, &QLineEdit::textEdited, [this](const QString &text){
+        QStringList comp = _engine->complete(text);
+        //qDebug() << comp;
+        _completerModel->setStringList(comp);
+    });
+
+    _ui->addFilesButton->setAutoDefault(false);
+
     QSettings settings;
     _ui->outputPath->setText(settings.value("batchprocessing/outputpath", QStandardPaths::standardLocations(QStandardPaths::PicturesLocation).first()).toString());
 }
@@ -122,6 +147,17 @@ BatchProcessing::~BatchProcessing()
     delete _ui;
 }
 
+void BatchProcessing::setOutputDir(const QString &output)
+{
+    _ui->outputPath->setText(output);
+}
+
+void BatchProcessing::setPaths(const QStringList &paths)
+{
+    _ui->pathsList->addItems(paths);
+    refreshPaths();
+}
+
 void BatchProcessing::closeEvent(QCloseEvent *event)
 {
     if(_engineThread)
@@ -143,6 +179,15 @@ void BatchProcessing::closeEvent(QCloseEvent *event)
     }
 }
 
+void BatchProcessing::refreshPaths()
+{
+    QStringList paths;
+    for(int i=0; i<_ui->pathsList->count(); i++)
+        paths.append(_ui->pathsList->item(i)->text());
+    _paths = scanDirectories(paths);
+    _engine->setParams("", _paths, _ui->outputPath->text(), QString());
+}
+
 void BatchProcessing::addFiles()
 {
     QSettings settings;
@@ -152,6 +197,7 @@ void BatchProcessing::addFiles()
         _ui->pathsList->addItems(files);
         settings.setValue("batchprocessing/inputpath", QFileInfo(files.first()).absolutePath());
     }
+    refreshPaths();
 }
 
 void BatchProcessing::addDir()
@@ -163,6 +209,7 @@ void BatchProcessing::addDir()
         _ui->pathsList->addItem(dir);
         settings.setValue("batchprocessing/inputpath", dir);
     }
+    refreshPaths();
 }
 
 void BatchProcessing::addMarked()
@@ -174,17 +221,20 @@ void BatchProcessing::addMarked()
         if(info.exists() && info.isReadable())
             _ui->pathsList->addItem(file);
     };
+    refreshPaths();
 }
 
 void BatchProcessing::removePath()
 {
     for(auto &item : _ui->pathsList->selectedItems())
         delete item;
+    refreshPaths();
 }
 
 void BatchProcessing::removeAllPaths()
 {
     _ui->pathsList->clear();
+    refreshPaths();
 }
 
 void BatchProcessing::browse()
@@ -208,9 +258,6 @@ void BatchProcessing::runScript()
         _engineThread = new Script::ScriptEngineThread(_database, this);
         connect(_engineThread, &Script::ScriptEngineThread::newMessage, this, &BatchProcessing::newMessage);
         connect(_engineThread, &Script::ScriptEngineThread::finished, this, &BatchProcessing::scriptFinished);
-        QStringList paths;
-        for(int i=0; i<_ui->pathsList->count(); i++)
-             paths.append(_ui->pathsList->item(i)->text());
 
         QFileInfo outDir(_ui->outputPath->text());
         if(outDir.exists() && outDir.isWritable())
@@ -221,7 +268,7 @@ void BatchProcessing::runScript()
             else
                 script = ":/scripts/" + script;
 
-            _engineThread->setParams(script, scanDirectories(paths), _ui->outputPath->text());
+            _engineThread->setParams(script, _paths, _ui->outputPath->text(), QString());
             _engineThread->start();
             _ui->startButton->setEnabled(false);
             _ui->stopButton->setEnabled(true);
@@ -229,6 +276,35 @@ void BatchProcessing::runScript()
         else
         {
             QMessageBox::warning(this, tr("Invalid output directory"), tr("Output directory path doesn't exist or is not writable"));
+            delete _engineThread;
+            _engineThread = nullptr;
+        }
+    }
+}
+
+void BatchProcessing::runScript(const QString &script, const QString &arg, bool exit)
+{
+    _ui->log->clear();
+    {
+        _engineThread = new Script::ScriptEngineThread(_database, this);
+        connect(_engineThread, &Script::ScriptEngineThread::newMessage, this, &BatchProcessing::newMessage);
+        connect(_engineThread, &Script::ScriptEngineThread::newMessage, this, &BatchProcessing::newMessageCli);
+        connect(_engineThread, &Script::ScriptEngineThread::finished, this, &BatchProcessing::scriptFinished);
+        if(exit)connect(_engineThread, &Script::ScriptEngineThread::finished, this, &BatchProcessing::accept);
+
+        QFileInfo outDir(_ui->outputPath->text());
+        if(outDir.exists() && outDir.isWritable())
+        {
+            _engineThread->setParams(script, _paths, _ui->outputPath->text(), arg);
+            _engineThread->start();
+            _ui->startButton->setEnabled(false);
+            _ui->stopButton->setEnabled(true);
+        }
+        else
+        {
+            QMessageBox::warning(this, tr("Invalid output directory"), tr("Output directory path doesn't exist or is not writable"));
+            delete _engineThread;
+            _engineThread = nullptr;
         }
     }
 }
@@ -256,6 +332,14 @@ void BatchProcessing::newMessage(const QString &message, bool error)
     _ui->log->append(message);
 }
 
+void BatchProcessing::newMessageCli(const QString &message, bool error)
+{
+    if(error)
+        qWarning() << message;
+    else
+        qDebug() << message;
+}
+
 QJSValue BatchProcessing::getString(const QString &label, const QString &text)
 {
     bool ok = false;
@@ -329,6 +413,48 @@ void BatchProcessing::plot(const QVariant &graph)
     chart->plot(graph);
 }
 
+ConsoleLine::ConsoleLine(QWidget *parent) : QLineEdit(parent)
+{
+}
+
+void ConsoleLine::addLine()
+{
+    QString line = text();
+    clear();
+    if(_history.size() && _history.last() == line)return;
+
+    _history.append(line);
+    if(_history.size() > 100)_history.removeFirst();
+    _currentLine = _history.size();
+}
+
+void ConsoleLine::keyReleaseEvent(QKeyEvent *event)
+{
+    if(event->key() == Qt::Key_Up)
+    {
+        _currentLine--;
+        if(_currentLine < 0)
+        {
+            _currentLine = -1;
+            clear();
+            return;
+        }
+        setText(_history.at(_currentLine));
+    }
+    else if(event->key() == Qt::Key_Down)
+    {
+        _currentLine++;
+        if(_currentLine >= _history.size())
+        {
+            _currentLine = _history.size();
+            clear();
+            return;
+        }
+        setText(_history.at(_currentLine));
+    }
+    else QLineEdit::keyReleaseEvent(event);
+}
+
 void openDir(const QString &path)
 {
 #ifdef Q_OS_LINUX

src/batchprocessing.h

@@ -3,6 +3,9 @@
 
 #include <QDialog>
 #include <QFileSystemWatcher>
+#include <QStringListModel>
+#include <QCompleter>
+#include <QLineEdit>
 #include "scriptengine.h"
 
 namespace Ui { class BatchProcessing; }
@@ -16,15 +19,22 @@ class BatchProcessing : public QDialog
     QString _scriptBasePath;
     QFileSystemWatcher _fileWatcher;
     Script::ScriptEngineThread *_engineThread = nullptr;
+    Script::ScriptEngine *_engine = nullptr;
     QColor _textColor;
     Database *_database;
+    QStringListModel *_completerModel = nullptr;
+    QCompleter *_completer = nullptr;
+    QList<QPair<QString, QString>> _paths;
 private slots:
     void scanScriptDir();
 public:
     explicit BatchProcessing(Database *database, QWidget *parent = nullptr);
     ~BatchProcessing();
+    void setOutputDir(const QString &output);
+    void setPaths(const QStringList &paths);
 protected:
     void closeEvent(QCloseEvent *event);
+    void refreshPaths();
 public slots:
     void addFiles();
     void addDir();
@@ -34,9 +44,11 @@ public slots:
     void browse();
     void openScriptDir();
     void runScript();
+    void runScript(const QString &script, const QString &arg, bool exit);
     void stopScript();
     void scriptFinished();
     void newMessage(const QString &message, bool error);
+    void newMessageCli(const QString &message, bool error);
 
     QJSValue getString(const QString &label, const QString &text);
     QJSValue getInt(const QString &label, int value);
@@ -47,6 +59,18 @@ public slots:
     void plot(const QVariant &graph);
 };
 
+class ConsoleLine : public QLineEdit
+{
+    Q_OBJECT
+public:
+    explicit ConsoleLine(QWidget *parent = nullptr);
+    void addLine();
+    void keyReleaseEvent(QKeyEvent *event) override;
+private:
+    int _currentLine = 0;
+    QStringList _history;
+};
+
 void openDir(const QString &path);
 
 #endif // BATCHPROCESSING_H

src/batchprocessing.ui

@@ -43,6 +43,9 @@
          <property name="text">
           <string>Add files</string>
          </property>
+         <property name="autoDefault">
+          <bool>false</bool>
+         </property>
         </widget>
        </item>
        <item>
@@ -50,6 +53,9 @@
          <property name="text">
           <string>Add directories</string>
          </property>
+         <property name="autoDefault">
+          <bool>false</bool>
+         </property>
         </widget>
        </item>
        <item>
@@ -57,6 +63,9 @@
          <property name="text">
           <string>Add marked</string>
          </property>
+         <property name="autoDefault">
+          <bool>false</bool>
+         </property>
         </widget>
        </item>
        <item>
@@ -64,6 +73,9 @@
          <property name="text">
           <string>Remove</string>
          </property>
+         <property name="autoDefault">
+          <bool>false</bool>
+         </property>
         </widget>
        </item>
        <item>
@@ -71,6 +83,9 @@
          <property name="text">
           <string>Remove all</string>
          </property>
+         <property name="autoDefault">
+          <bool>false</bool>
+         </property>
         </widget>
        </item>
       </layout>
@@ -98,6 +113,9 @@
        <property name="text">
         <string>Browse</string>
        </property>
+       <property name="autoDefault">
+        <bool>false</bool>
+       </property>
       </widget>
      </item>
     </layout>
@@ -129,6 +147,9 @@
        <property name="text">
         <string>Open scripts</string>
        </property>
+       <property name="autoDefault">
+        <bool>false</bool>
+       </property>
       </widget>
      </item>
     </layout>
@@ -171,23 +192,30 @@
    <item>
     <layout class="QHBoxLayout" name="horizontalLayout_4">
      <item>
-      <spacer name="horizontalSpacer_2">
-       <property name="orientation">
-        <enum>Qt::Horizontal</enum>
+      <widget class="ConsoleLine" name="consoleLineEdit">
+       <property name="placeholderText">
+        <string>Console</string>
        </property>
-       <property name="sizeHint" stdset="0">
-        <size>
-         <width>40</width>
-         <height>20</height>
-        </size>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="executeButton">
+       <property name="text">
+        <string>Execute</string>
        </property>
-      </spacer>
+       <property name="autoDefault">
+        <bool>false</bool>
+       </property>
+      </widget>
      </item>
      <item>
       <widget class="QPushButton" name="startButton">
        <property name="text">
         <string>Start script</string>
        </property>
+       <property name="autoDefault">
+        <bool>false</bool>
+       </property>
       </widget>
      </item>
      <item>
@@ -198,12 +226,8 @@
        <property name="text">
         <string>Stop script</string>
        </property>
-      </widget>
-     </item>
-     <item>
-      <widget class="QPushButton" name="closeButton">
-       <property name="text">
-        <string>Close</string>
+       <property name="autoDefault">
+        <bool>false</bool>
        </property>
       </widget>
      </item>
@@ -211,23 +235,29 @@
    </item>
   </layout>
  </widget>
+ <customwidgets>
+  <customwidget>
+   <class>ConsoleLine</class>
+   <extends>QLineEdit</extends>
+   <header>batchprocessing.h</header>
+  </customwidget>
+ </customwidgets>
+ <tabstops>
+  <tabstop>pathsList</tabstop>
+  <tabstop>addFilesButton</tabstop>
+  <tabstop>addDirButton</tabstop>
+  <tabstop>addMarkedButton</tabstop>
+  <tabstop>removeButton</tabstop>
+  <tabstop>removeAllButton</tabstop>
+  <tabstop>browseButton</tabstop>
+  <tabstop>openScriptsButton</tabstop>
+  <tabstop>scriptsList</tabstop>
+  <tabstop>consoleLineEdit</tabstop>
+  <tabstop>startButton</tabstop>
+  <tabstop>stopButton</tabstop>
+  <tabstop>outputPath</tabstop>
+  <tabstop>log</tabstop>
+ </tabstops>
  <resources/>
- <connections>
-  <connection>
-   <sender>closeButton</sender>
-   <signal>released()</signal>
-   <receiver>BatchProcessing</receiver>
-   <slot>close()</slot>
-   <hints>
-    <hint type="sourcelabel">
-     <x>973</x>
-     <y>745</y>
-    </hint>
-    <hint type="destinationlabel">
-     <x>511</x>
-     <y>383</y>
-    </hint>
-   </hints>
-  </connection>
- </connections>
+ <connections/>
 </ui>

src/database.cpp

@@ -35,7 +35,7 @@ bool Database::init(const QLatin1String &connectionName)
         }
         else
         {
-            qDebug() << "Could not open NGC database";
+            qWarning() << "Could not open NGC database";
         }
     }
 
@@ -61,10 +61,17 @@ bool Database::init(const QLatin1String &connectionName)
                 query.exec("CREATE INDEX IF NOT EXISTS maxRa_idx ON fits_files(maxRa)");
                 query.exec("CREATE INDEX IF NOT EXISTS minDec_idx ON fits_files(minDec)");
                 query.exec("CREATE INDEX IF NOT EXISTS maxDec_idx ON fits_files(maxDec)");
+                version = 1;
             }
-            else if(version > 1)
+            if(version == 1)
             {
-                qDebug() << "Database version is too new";
+                query.exec("CREATE INDEX IF NOT EXISTS id_file_key ON fits_headers(id_file, key)");
+                query.exec("PRAGMA user_version = 2");
+                version = 2;
+            }
+            if(version > 2)
+            {
+                qWarning() << "Database version is too new";
                 return false;
             }
 
@@ -93,16 +100,16 @@ bool Database::init(const QLatin1String &connectionName)
                 m_deleteFile.prepare("DELETE FROM fits_files WHERE id=?");
                 return true;
             }
-            qDebug() << error.text();
+            qWarning() << error.text();
         }
         else
         {
-            qDebug() << "Failed to open database" << connectionName;
+            qWarning() << "Failed to open database" << connectionName;
         }
     }
     else
     {
-        qDebug() << "Database is invalid";
+        qWarning() << "Database is invalid";
     }
     return false;
 }
@@ -168,7 +175,7 @@ bool Database::checkError(QSqlQuery &query)
         return true;
     else
     {
-        qDebug() << error.text();
+        qWarning() << error.text();
         return false;
     }
 }
@@ -181,7 +188,7 @@ int Database::checkVersion(QSqlDatabase &db)
     return -1;
 }
 
-static QStringList nameFilters = {"*.fit", "*.fits", "*.fz", "*.xisf"};
+static QStringList nameFilters = {"*.fit", "*.fits", "*.fz", "*.fts", "*.xisf"};
 
 static int countFiles(const QDir &dir, QStringList &scannedDirs)
 {
@@ -271,15 +278,30 @@ QVector<SkyObject> Database::getObjects(double minRa, double maxRa, double minDe
         while(m_getNgc.next())
         {
             QString name;
+            QString name2;
             QString m = m_getNgc.value("M").toString();
             QString ic = m_getNgc.value("IC").toString();
-            if(!m.isEmpty())name = "M" + m + " ";
-            if(!ic.isEmpty())name += "IC" + ic + " ";
-            name += m_getNgc.value("Name").toString();
+            if(!m.isEmpty())
+            {
+                name = "M" + m;
+                m.clear();
+            }
+            else if(!ic.isEmpty())
+            {
+                name = "IC" + ic;
+                ic.clear();
+            }
+            else
+            {
+                name = m_getNgc.value("Name").toString();
+            }
+
+            if(!ic.isEmpty())name2 += "IC" + ic + " ";
+            name2 += m_getNgc.value("Common names").toString();
 
             objects.append({
                 name,
-                m_getNgc.value("Common names").toString(),
+                name2,
                 {m_getNgc.value("RA_deg").toDouble(), m_getNgc.value("DEC_deg").toDouble()},
                 m_getNgc.value("MajAx").toDouble(),
                 m_getNgc.value("MinAx").toDouble(),
@@ -292,6 +314,11 @@ QVector<SkyObject> Database::getObjects(double minRa, double maxRa, double minDe
     return objects;
 }
 
+const QSqlDatabase &Database::db() const
+{
+    return database;
+}
+
 bool Database::indexDir2(const QDir &dir, QProgressDialog *progress, QStringList &scannedDirs)
 {
     if(scannedDirs.contains(dir.canonicalPath()))return true;
@@ -332,10 +359,10 @@ bool Database::indexFile(const QFileInfo &file)
         }
     }
 
-    bool ok;
-    if(filePath.endsWith(".xisf", Qt::CaseInsensitive))
+    bool ok = false;
+    if(isXISF(file.suffix()))
         ok = readXISFHeader(filePath, info);
-    else
+    else if(isFITS(file.suffix()))
         ok = readFITSHeader(filePath, info);
 
     qlonglong last_id = -1;
@@ -356,7 +383,7 @@ bool Database::indexFile(const QFileInfo &file)
             m_insertFileWcs.bindValue(7, crVal2);
             if(!m_insertFileWcs.exec())
             {
-                qDebug() << "Database error" << m_insertFileWcs.lastError();
+                qWarning() << "Database error" << m_insertFileWcs.lastError();
                 return false;
             }
             last_id = m_insertFileWcs.lastInsertId().toLongLong();
@@ -367,7 +394,7 @@ bool Database::indexFile(const QFileInfo &file)
             m_insertFile.bindValue(1, mtime);
             if(!m_insertFile.exec())
             {
-                qDebug() << "Database error" << m_insertFile.lastError();
+                qWarning() << "Database error" << m_insertFile.lastError();
                 return false;
             }
             last_id = m_insertFile.lastInsertId().toLongLong();
@@ -376,6 +403,7 @@ bool Database::indexFile(const QFileInfo &file)
         QVariantList file_id, keys, values, comments;
         for(const auto &record : info.fitsHeader)
         {
+            if(record.xisf && record.key.startsWith("PCL:"))continue;
             file_id << last_id;
             keys << QString(record.key);
             values << record.value.toString();
@@ -387,7 +415,7 @@ bool Database::indexFile(const QFileInfo &file)
         m_insertFitsHeader.bindValue(3, comments);
         if(!m_insertFitsHeader.execBatch())
         {
-            qDebug() << "Database error" << m_insertFitsHeader.lastError();
+            qWarning() << "Database error" << m_insertFitsHeader.lastError();
             return false;
         }
     }

src/database.h

@@ -42,6 +42,7 @@ public:
     void reindex(QProgressDialog *progress);
     QStringList getFitsKeywords();
     QVector<SkyObject> getObjects(double minRa, double maxRa, double minDec, double maxDec);
+    const QSqlDatabase& db() const;
 protected:
     bool indexDir2(const QDir &dir, QProgressDialog *progress, QStringList &scannedDirs);
     bool indexFile(const QFileInfo &file);

src/databasetree.cpp

@@ -0,0 +1,585 @@
+#include "databasetree.h"
+
+#include "database.h"
+#include "databaseview.h"
+#include <QComboBox>
+#include <QDialogButtonBox>
+#include <QLabel>
+#include <QPushButton>
+#include <QSettings>
+#include <QSqlError>
+#include <QStackedWidget>
+#include <QVBoxLayout>
+
+DatabaseTreeSettings::DatabaseTreeSettings(const QStringList &data, QStringList keywords, QWidget *parent) : QDialog(parent)
+{
+    setWindowTitle(tr("Add tree filter"));
+    QVBoxLayout *vlayout = new QVBoxLayout(this);
+    setLayout(vlayout);
+
+    QStringList key = data[0].split('/');
+
+    qsizetype dateobsindex = keywords.indexOf("DATE-OBS");
+    if(dateobsindex != -1)
+    {
+        keywords.insert(dateobsindex + 1, "DATE-OBS_YEAR-MONTH-DAY");
+        keywords.insert(dateobsindex + 1, "DATE-OBS_YEAR-MONTH");
+        keywords.insert(dateobsindex + 1, "DATE-OBS_YEAR");
+    }
+
+    for(int i = 0; i < 10; i++)
+    {
+        QComboBox *comboxBox = new QComboBox(this);
+        comboxBox->addItem("");
+        comboxBox->addItems(keywords);
+        vlayout->addWidget(comboxBox);
+        _keywordsSelect.append(comboxBox);
+        if(i < key.size() && keywords.contains(key[i]))
+            comboxBox->setCurrentText(key[i]);
+    }
+
+    vlayout->addWidget(new QLabel(tr("Aggregate function"), this));
+    _aggregateFunction = new QComboBox(this);
+    _aggregateFunction->addItems({"", "SUM", "COUNT", "AVG", "MIN", "MAX", "MEDIAN"});
+    vlayout->addWidget(_aggregateFunction);
+    _aggregateFunction->setToolTip(tr("This aggregate function will be applied to last level of grouping"));
+    _aggregateFunction->setCurrentText(data[1]);
+
+    QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel, this);
+    connect(buttonBox, &QDialogButtonBox::accepted, this, &DatabaseTreeSettings::acceptButton);
+    connect(buttonBox, &QDialogButtonBox::rejected, this, &DatabaseTreeSettings::reject);
+    vlayout->addWidget(buttonBox);
+}
+
+QString DatabaseTreeSettings::keywords() const
+{
+    QStringList keywords;
+    for(QComboBox *box : _keywordsSelect)
+    {
+        if(box->currentIndex() > 0)
+            keywords.append(box->currentText());
+    }
+    return keywords.join('/');
+}
+
+QString DatabaseTreeSettings::aggregrationFunc() const
+{
+    return _aggregateFunction->currentText();
+}
+
+void DatabaseTreeSettings::acceptButton()
+{
+    for(QComboBox *box : _keywordsSelect)
+    {
+        if(box->currentIndex() > 0)
+        {
+            QDialog::accept();
+            return;
+        }
+    }
+    QDialog::reject();
+}
+
+class TreeNode
+{
+public:
+    TreeNode() = default;
+    TreeNode(TreeNode *parent, const QVariant value, int level)
+        :_parent(parent)
+        ,_value(value)
+        ,_level(level)
+    {}
+    const TreeNode* child(size_t idx) const
+    {
+        if(idx >= 0 && idx < _children.size())
+            return _children[idx].get();
+        return nullptr;
+    }
+    TreeNode* child(size_t idx)
+    {
+        if(idx >= 0 && idx < _children.size())
+            return _children[idx].get();
+        return nullptr;
+    }
+    TreeNode* parent() const
+    {
+        return _parent;
+    }
+    int row() const
+    {
+        if(_parent)
+            return _parent->indexOf(this);
+        return 0;
+    }
+    int childCount() const
+    {
+        if(!_init)return 1;
+        return _children.size();
+    }
+    const QVariant& value() const
+    {
+        return _value;
+    }
+    void fill(const QVariantList &list)
+    {
+        _init = true;
+        for(auto &item : list)
+            _children.push_back(std::make_unique<TreeNode>(this, item, _level + 1));
+    }
+    bool filled() const
+    {
+        return _init;
+    }
+    int level() const
+    {
+        return _level;
+    }
+private:
+    int indexOf(const TreeNode *child) const
+    {
+        auto f = [child](const std::unique_ptr<TreeNode> &i){ return i.get() == child; };
+        auto it = std::find_if(_children.begin(), _children.end(), f);
+        if(it != _children.end())return std::distance(_children.begin(), it);
+        return -1;
+    }
+    TreeNode *_parent = nullptr;
+    QVariant _value;
+    std::vector<std::unique_ptr<TreeNode>> _children;
+    bool _init = false;
+    int _level = 0;
+};
+
+DatabaseTree::DatabaseTree(Database *database, QObject *parent) : QAbstractItemModel(parent)
+    ,_database(database)
+{
+    _italicFont.setItalic(true);
+}
+
+void DatabaseTree::setKeys(const QStringList &keys)
+{
+    _keys = keys;
+    if(!_loaded)return;
+    beginResetModel();
+    prepareQueries();
+    _rootNode = std::make_unique<TreeNode>();
+    fillNode(_rootNode.get());
+    endResetModel();
+}
+
+QStringList DatabaseTree::keys() const
+{
+    return _keys;
+}
+
+QModelIndex DatabaseTree::index(int row, int column, const QModelIndex &parent) const
+{
+    if(!hasIndex(row, column, parent))
+        return QModelIndex();
+
+    TreeNode *node;
+
+    if(!parent.isValid())
+        node = _rootNode.get();
+    else
+        node = static_cast<TreeNode*>(parent.internalPointer());
+
+    if(node)
+    {
+        TreeNode *child = node->child(row);
+        if(child)return createIndex(row, column, child);
+    }
+
+    return QModelIndex();
+}
+
+QModelIndex DatabaseTree::parent(const QModelIndex &index) const
+{
+    if(!index.isValid())
+        return QModelIndex();
+
+    TreeNode *childNode = static_cast<TreeNode*>(index.internalPointer());
+    const TreeNode *parentNode = childNode->parent();
+
+    if (parentNode == _rootNode.get())
+        return QModelIndex();
+
+    return createIndex(parentNode->row(), 0, parentNode);
+}
+
+int DatabaseTree::rowCount(const QModelIndex &index) const
+{
+    if(index.column() > 0)return 0;
+
+    TreeNode *node;
+    if(!index.isValid())
+        node = _rootNode.get();
+    else
+        node = static_cast<TreeNode*>(index.internalPointer());
+
+    if(node && node->level() <= _keys.size())
+        return node->childCount();
+
+    return 0;
+}
+
+int DatabaseTree::columnCount(const QModelIndex &index) const
+{
+    Q_UNUSED(index);
+    return 1;
+}
+
+QVariant DatabaseTree::data(const QModelIndex &index, int role) const
+{
+    if(!index.isValid())
+        return QVariant();
+
+    TreeNode *node = static_cast<TreeNode*>(index.internalPointer());
+    if(node == nullptr)
+        return QVariant();
+
+    switch(role)
+    {
+    case Qt::FontRole:
+    {
+        if(node->value().toString().isNull())
+            return _italicFont;
+        return QVariant();
+    }
+    case Qt::DisplayRole:
+    {
+        QString str = node->value().toString();
+        if(str.isNull())return "NULL";
+        else return str;
+    }
+    default:
+        return QVariant();
+    }
+}
+
+bool DatabaseTree::canFetchMore(const QModelIndex &parent) const
+{
+    if(!parent.isValid())
+        return false;
+
+    TreeNode *node = static_cast<TreeNode*>(parent.internalPointer());
+    //qDebug() << "Can Fetch more" << node->value();
+    if(node)
+        return !node->filled();
+    return false;
+}
+
+void DatabaseTree::fetchMore(const QModelIndex &parent)
+{
+    if(!parent.isValid())
+        return;
+
+    TreeNode *node = static_cast<TreeNode*>(parent.internalPointer());
+    //qDebug() << "Fetch more" << node->value();
+    if(node)
+    {
+        fillNode(node);
+
+        if(node->childCount() > 0)
+        {
+            beginInsertRows(parent, 0, node->childCount() - 1);
+            endInsertRows();
+        }
+    }
+}
+
+QVariant DatabaseTree::headerData(int section, Qt::Orientation orientation, int role) const
+{
+    if(orientation == Qt::Horizontal && role == Qt::DisplayRole && section == 0)
+        return _keys.join('/');
+    return QVariant();
+}
+
+void DatabaseTree::load()
+{
+    if(!_loaded)
+    {
+        _loaded = true;
+        setKeys(_keys);
+    }
+}
+
+QSqlQuery DatabaseTree::getGroupQuery(const QString &aggregateFunc) const
+{
+    QStringList cols;
+    QString join;
+    QString sum;
+
+    for(int i = 0; i < _keys.size(); i++)
+    {
+        join += QString(" LEFT JOIN fits_headers AS h%1 ON f.id = h%1.id_file AND h%1.key = ?").arg(i);
+        if(_keys[i] == "DATE-OBS_YEAR")
+            cols.append(QString("STRFTIME('%Y', h%1.value)").arg(i));
+        else if(_keys[i] == "DATE-OBS_YEAR-MONTH")
+            cols.append(QString("STRFTIME('%Y-%m', h%1.value)").arg(i));
+        else if(_keys[i] == "DATE-OBS_YEAR-MONTH-DAY")
+            cols.append(QString("STRFTIME('%Y-%m-%d', h%1.value)").arg(i));
+        else
+            cols.append(QString("h%1.value").arg(i));
+
+        if(i == _keys.size() - 1)
+        {
+            QString tmp = aggregateFunc + "(" + cols.last() + ")";
+            cols.last() = tmp;
+        }
+    }
+
+    QStringList group = cols;
+    group.removeLast();
+    QString sql = "SELECT " + cols.join(',') + " FROM fits_files AS f" + join + " GROUP BY " + group.join(',');
+
+    QSqlQuery query(sql, _database->db());
+    for(auto &val : _keys)
+    {
+        if(val.startsWith("DATE-OBS_"))
+            query.addBindValue("DATE-OBS");
+        else
+            query.addBindValue(val);
+    }
+
+    qDebug() << "Group query" << sql;
+    if(!query.exec())
+        qWarning() << "Group query failed" << query.lastError();
+
+    return query;
+}
+
+void DatabaseTree::prepareQueries()
+{
+    if(!_loaded)return;
+
+    _queries.clear();
+
+    QString join;
+    QString where;
+
+    for(int i = 0; i < _keys.size(); i++)
+        join += QString(" LEFT JOIN fits_headers AS h%1 ON f.id = h%1.id_file AND h%1.key = ?").arg(i);
+
+    for(int i = 0; i < _keys.size(); i++)
+    {
+        QString sql;
+        QString col = QString("h%1.value").arg(i);
+        if(_keys[i] == "DATE-OBS_YEAR")
+            col = QString("STRFTIME('%Y', h%1.value)").arg(i);
+        else if(_keys[i] == "DATE-OBS_YEAR-MONTH")
+            col = QString("STRFTIME('%Y-%m', h%1.value)").arg(i);
+        else if(_keys[i] == "DATE-OBS_YEAR-MONTH-DAY")
+            col = QString("STRFTIME('%Y-%m-%d', h%1.value)").arg(i);
+
+        sql = QString("SELECT %1 FROM fits_files AS f").arg(col) + join + where + QString(" GROUP BY %1 ORDER BY %1").arg(col);
+
+        qDebug() << "Tree query for" << _keys[i] << sql;
+        QSqlQuery query(sql, _database->db());
+        for(auto &val : _keys)
+        {
+            if(val.startsWith("DATE-OBS_"))
+                query.addBindValue("DATE-OBS");
+            else
+                query.addBindValue(val);
+        }
+
+        if(where.isEmpty())
+            where += QString(" WHERE %1 IS ?").arg(col);
+        else
+            where += QString(" AND %1 IS ?").arg(col);
+        _queries.append(std::move(query));
+    }
+
+    QSqlQuery files("SELECT f.file FROM fits_files AS f" + join + where + " GROUP BY f.id ORDER BY f.file", _database->db());
+    for(auto &val : _keys)
+    {
+        if(val.startsWith("DATE-OBS_"))
+            files.addBindValue("DATE-OBS");
+        else
+            files.addBindValue(val);
+    }
+    qDebug() << files.lastQuery();
+    _queries.append(std::move(files));
+}
+
+void DatabaseTree::fillNode(TreeNode *node)
+{
+    if(node->filled())
+        return;
+
+    TreeNode *n = node;
+    QVariantList vals;
+    while(n->parent())
+    {
+        vals.prepend(n->value());
+        n = n->parent();
+    }
+
+    int level = vals.size();
+    if(level >= _queries.size())
+    {
+        qWarning() << "Level is too deep";
+        node->fill({});
+        return;
+    }
+    QSqlQuery &q = _queries[level];
+
+    for(int i = 0; i < level; i++)
+        q.bindValue(i + _keys.size(), vals[i]);
+    if(!q.exec())
+    {
+        qWarning() << "Failed to execute query" << q.lastError() << q.lastQuery() << q.boundValues();
+        node->fill({});
+        return;
+    }
+
+    QVariantList list;
+    while(q.next())
+        list.append(q.value(0));
+
+    node->fill(list);
+}
+
+DatabaseTreeView::DatabaseTreeView(Database *database, QWidget *parent) : QWidget(parent)
+    ,_database(database)
+{
+    QVBoxLayout *vlayout = new QVBoxLayout(this);
+    QHBoxLayout *hlayout = new QHBoxLayout(this);
+
+    _model = new DatabaseTree(database, this);
+    _treeView = new QTreeView(this);
+    _treeView->setModel(_model);
+    _treeView->setHeaderHidden(true);
+
+    _tableView = new CopyTableView(this);
+    _sqlModel = new QSqlQueryModel(this);
+    _tableView->setModel(_sqlModel);
+
+    QSettings settings;
+    QStringList filters = settings.value("databasetreeview/filters", QStringList{"OBJECT", "OBJECT/IMAGETYP", "OBJECT/IMAGETYP/FILTER", "OBJECT/IMAGETYP/FILTER/EXPTIME",
+                                                                                 "IMAGETYP/OBJECT/IMAGETYP/FILTER/EXPTIME", "IMAGETYP/DATE-OBS_YEAR/EXPTIME"}).toStringList();
+    QStringList aggrFuncs = settings.value("databasetreeview/aggrFuncs", QStringList{"", "", "", "SUM", "SUM", "SUM"}).toStringList();
+    int selectedFilter = settings.value("databasetreeview/selectedFilter", 2).toInt();
+
+    _filters = new QComboBox(this);
+    for(int i = 0; i < std::min(filters.size(), aggrFuncs.size()); i++)
+    {
+        _filters->addItem(filters[i] + " " + aggrFuncs[i], QStringList{filters[i], aggrFuncs[i]});
+    }
+    _filters->setCurrentIndex(selectedFilter);
+    connect(_filters, &QComboBox::currentIndexChanged, this, &DatabaseTreeView::filterChanged);
+    filterChanged(_filters->currentIndex());
+
+    QStackedWidget *stackedWidget = new QStackedWidget;
+    stackedWidget->addWidget(_treeView);
+    stackedWidget->addWidget(_tableView);
+
+    QPushButton *addButton = new QPushButton(tr("Add"), this);
+    QPushButton *removeButton = new QPushButton(tr("Remove"), this);
+    QPushButton *treeTableButton = new QPushButton(tr("Tree/Table"), this);
+    treeTableButton->setCheckable(true);
+    connect(treeTableButton, &QPushButton::clicked, [stackedWidget](bool checked){
+        stackedWidget->setCurrentIndex(checked ? 1 : 0);
+    });
+
+    hlayout->addWidget(_filters, 1);
+    hlayout->addWidget(addButton);
+    hlayout->addWidget(removeButton);
+    hlayout->addWidget(treeTableButton);
+
+    vlayout->addLayout(hlayout);
+    vlayout->addWidget(stackedWidget);
+
+    connect(_treeView, &QTreeView::activated, [this](const QModelIndex &index){
+        if(!_model->hasChildren(index))
+        {
+            QString path = _model->data(index).toString();
+            emit loadFile(path);
+        }
+    });
+
+    connect(addButton, &QPushButton::clicked, this, &DatabaseTreeView::addFilter);
+    connect(removeButton, &QPushButton::clicked, this, &DatabaseTreeView::removeFilter);
+}
+
+DatabaseTreeView::~DatabaseTreeView()
+{
+    QStringList filters;
+    QStringList aggrFuncs;
+    for(int i = 0; i < _filters->count(); i++)
+    {
+        QStringList data = _filters->itemData(i).toStringList();
+        filters.append(data[0]);
+        aggrFuncs.append(data[1]);
+    }
+
+    QSettings settings;
+    settings.setValue("databasetreeview/filters", filters);
+    settings.setValue("databasetreeview/aggrFuncs", aggrFuncs);
+    settings.setValue("databasetreeview/selectedFilter", _filters->currentIndex());
+}
+
+void DatabaseTreeView::addFilter()
+{
+    QStringList keywords = _database->getFitsKeywords();
+    QStringList data = _filters->currentData().toStringList();
+    DatabaseTreeSettings settings(data, keywords, this);
+    int result = settings.exec();
+    if(result == QDialog::Accepted)
+    {
+        QString keywords = settings.keywords();
+        QString aggrFunc = settings.aggregrationFunc();
+        QString text = keywords + " " + aggrFunc;
+        int idx = _filters->findText(text);
+        if(idx == -1)
+        {
+            _filters->addItem(text, QStringList{keywords, aggrFunc});
+            _filters->setCurrentText(text);
+        }
+        else
+        {
+            _filters->setCurrentIndex(idx);
+        }
+    }
+}
+
+void DatabaseTreeView::removeFilter()
+{
+    if(_filters->count() > 1)
+        _filters->removeItem(_filters->currentIndex());
+}
+
+void DatabaseTreeView::filterChanged(int index)
+{
+    QStringList data = _filters->itemData(index).toStringList();
+    QStringList keys = data[0].split('/');
+    _model->setKeys(keys);
+    setQuery(data[1]);
+}
+
+void DatabaseTreeView::visible(bool visible)
+{
+    if(visible && !_loaded)
+    {
+        _loaded = true;
+        _model->load();
+        QStringList data = _filters->currentData().toStringList();
+        setQuery(data[1]);
+    }
+}
+
+void DatabaseTreeView::setQuery(const QString &func)
+{
+    QStringList keys = _model->keys();
+    int i = 0;
+    _sqlModel->setQuery(_model->getGroupQuery(func));
+    if(!func.isEmpty())
+    {
+        QString tmp = func + "(" + keys.last() + ")";
+        keys.last() = tmp;
+    }
+    for(auto &key : keys)
+        _sqlModel->setHeaderData(i++, Qt::Horizontal, key);
+
+    _tableView->resizeColumnsToContents();
+}

src/databasetree.h

@@ -0,0 +1,83 @@
+#ifndef DATABASETREE_H
+#define DATABASETREE_H
+
+#include <QAbstractItemModel>
+#include <QComboBox>
+#include <QDialog>
+#include <QFont>
+#include <QSqlQuery>
+#include <QSqlQueryModel>
+#include <QTableView>
+#include <QTreeView>
+#include <memory>
+
+class Database;
+class TreeNode;
+
+class DatabaseTreeSettings : public QDialog
+{
+    Q_OBJECT
+public:
+    explicit DatabaseTreeSettings(const QStringList &data, QStringList keywords, QWidget *parent = nullptr);
+    QString keywords() const;
+    QString aggregrationFunc() const;
+public slots:
+    void acceptButton();
+private:
+    QVector<QComboBox*> _keywordsSelect;
+    QComboBox *_aggregateFunction;
+};
+
+class DatabaseTree : public QAbstractItemModel
+{
+public:
+    explicit DatabaseTree(Database *database, QObject *parent = nullptr);
+    void setKeys(const QStringList &keys);
+    QStringList keys() const;
+    QModelIndex index(int row, int column, const QModelIndex &parent) const override;
+    QModelIndex parent(const QModelIndex &index) const override;
+    int rowCount(const QModelIndex &index) const override;
+    int columnCount(const QModelIndex &index) const override;
+    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
+    bool canFetchMore(const QModelIndex &parent) const override;
+    void fetchMore(const QModelIndex &parent) override;
+    QVariant headerData(int section, Qt::Orientation orientation, int role) const override;
+    void load();
+    QSqlQuery getGroupQuery(const QString &aggregateFunc) const;
+private:
+    void prepareQueries();
+    void fillNode(TreeNode *node);
+    Database *_database = nullptr;
+    std::unique_ptr<TreeNode> _rootNode;
+    QVector<QSqlQuery> _queries;
+    QStringList _keys;
+    QFont _italicFont;
+    bool _loaded = false;
+};
+
+class DatabaseTreeView : public QWidget
+{
+    Q_OBJECT
+public:
+    explicit DatabaseTreeView(Database *database, QWidget *parent = nullptr);
+    virtual ~DatabaseTreeView();
+public slots:
+    void addFilter();
+    void removeFilter();
+    void filterChanged(int index);
+    void visible(bool visible);
+private:
+    void setQuery(const QString &func);
+signals:
+    void loadFile(const QString &file);
+private:
+    QComboBox *_filters = nullptr;
+    QTreeView *_treeView = nullptr;
+    QTableView *_tableView = nullptr;
+    DatabaseTree *_model = nullptr;
+    QSqlQueryModel *_sqlModel = nullptr;
+    Database *_database = nullptr;
+    bool _loaded = false;
+};
+
+#endif // DATABASETREE_H

src/databasetreekeys.ui

@@ -0,0 +1,88 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>Dialog</class>
+ <widget class="QDialog" name="Dialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>511</width>
+    <height>487</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Dialog</string>
+  </property>
+  <widget class="QDialogButtonBox" name="buttonBox">
+   <property name="geometry">
+    <rect>
+     <x>120</x>
+     <y>390</y>
+     <width>341</width>
+     <height>32</height>
+    </rect>
+   </property>
+   <property name="orientation">
+    <enum>Qt::Horizontal</enum>
+   </property>
+   <property name="standardButtons">
+    <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+   </property>
+  </widget>
+  <widget class="QComboBox" name="comboBox">
+   <property name="geometry">
+    <rect>
+     <x>60</x>
+     <y>30</y>
+     <width>86</width>
+     <height>26</height>
+    </rect>
+   </property>
+  </widget>
+  <widget class="QLineEdit" name="lineEdit">
+   <property name="geometry">
+    <rect>
+     <x>180</x>
+     <y>30</y>
+     <width>113</width>
+     <height>26</height>
+    </rect>
+   </property>
+  </widget>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>Dialog</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>248</x>
+     <y>254</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>157</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>rejected()</signal>
+   <receiver>Dialog</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>316</x>
+     <y>260</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>286</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>

src/databaseview.cpp

@@ -9,6 +9,9 @@
 #include <QMenu>
 #include <QContextMenuEvent>
 #include <QRegularExpression>
+#include <QGuiApplication>
+#include <QClipboard>
+#include <QMimeData>
 #include <iostream>
 #include "batchprocessing.h"
 
@@ -157,32 +160,67 @@ void FITSFileModel::filesUnmarked(const QModelIndexList &indexes)
     }
 }
 
+void FITSFileModel::load()
+{
+    if(!m_loaded)
+    {
+        m_loaded = true;
+        prepareQuery();
+    }
+}
+
 void FITSFileModel::prepareQuery()
 {
+    if(!m_loaded)return;
+
     QString cols;
     QString join;
     QStringList where;
     QString sql = m_columns.size() ? "SELECT f.file," : "SELECT f.file";
+    QVariantList bindValues;
+    QVariantList bindValuesJoin;
     for(int i=0; i<m_value.size(); i++)
     {
         if(m_key[i] == "file")
-            where.append(QString(" f.file LIKE '%1' ").arg(m_value[i]));
+        {
+            where.append(" f.file LIKE ? ");
+            bindValues.append(m_value[i]);
+        }
         else if(m_key[i] == "RA pos")
-            where.append(QString(" %1 BETWEEN f.minRa AND f.maxRa ").arg(RA(m_value[i])));
+        {
+            where.append(" ? BETWEEN f.minRa AND f.maxRa ");
+            bindValues.append(RA(m_value[i]));
+        }
         else if(m_key[i] == "DEC pos")
-            where.append(QString(" %1 BETWEEN f.minDec AND f.maxDec ").arg(DEC(m_value[i])));
+        {
+            where.append(" ? BETWEEN f.minDec AND f.maxDec ");
+            bindValues.append(DEC(m_value[i]));
+        }
         else if(m_key[i] == "RA range")
-            where.append(QString(" crVal1 BETWEEN %1 AND %2 ").arg(RA(m_value[i])).arg(RA(m_limit[i])));
+        {
+            where.append(" crVal1 BETWEEN ? AND ? ");
+            bindValues.append(RA(m_value[i]));
+            bindValues.append(RA(m_limit[i]));
+        }
         else if(m_key[i] == "DEC range")
-            where.append(QString(" crVal2 BETWEEN %1 AND %2 ").arg(DEC(m_value[i])).arg(DEC(m_limit[i])));
+        {
+            where.append(" crVal2 BETWEEN ? AND ? ");
+            bindValues.append(DEC(m_value[i]));
+            bindValues.append(DEC(m_limit[i]));
+        }
         else
-            join += QString(" JOIN fits_headers AS s%1 ON f.id=s%1.id_file AND s%1.key='%2' AND s%1.value LIKE '%3'").arg(i).arg(m_key[i]).arg(m_value[i]);
+        {
+            join += QString(" JOIN fits_headers AS s%1 ON f.id=s%1.id_file AND s%1.key=? AND s%1.value LIKE ? ").arg(i);
+            bindValuesJoin.append(m_key[i]);
+            bindValuesJoin.append(m_value[i]);
+        }
     }
     int i=0;
     for(auto &column : m_columns)
     {
         cols += QString("GROUP_CONCAT(h%1.value) AS h%1_value,").arg(i);
-        join += QString(" LEFT JOIN fits_headers AS h%1 ON f.id=h%1.id_file AND h%1.key='%2'").arg(i).arg(column);
+        join += QString(" LEFT JOIN fits_headers AS h%1 ON f.id=h%1.id_file AND h%1.key=?").arg(i);
+        bindValuesJoin.append(column);
         i++;
     }
     cols.chop(1);
@@ -191,7 +229,19 @@ void FITSFileModel::prepareQuery()
     sql += join;
     if(!where.isEmpty())sql += " WHERE " + where.join("AND");
     sql += " GROUP BY f.id" + m_sort;
-    setQuery(sql);
+
+    QSqlQuery query(m_database->db());
+    query.prepare(sql);
+    for(auto &val : bindValuesJoin)
+        query.addBindValue(val);
+    for(auto &val : bindValues)
+        query.addBindValue(val);
+
+    if(!query.exec())
+        qWarning() << "Failed to exectute query" << query.lastQuery() << bindValuesJoin << bindValues;
+    else
+        setQuery(std::move(query));
+
     setHeaderData(0, Qt::Horizontal, tr("File name"));
     i = 1;
     for(auto &column : m_columns)
@@ -206,7 +256,7 @@ void FITSFileModel::prepareQuery()
     m_markedFiles = QSet<QString>(list.begin(), list.end());
 }
 
-DatabaseTableView::DatabaseTableView(QWidget *parent) : QTableView(parent)
+DatabaseTableView::DatabaseTableView(QWidget *parent) : CopyTableView(parent)
 {
 }
 
@@ -217,6 +267,7 @@ void DatabaseTableView::contextMenuEvent(QContextMenuEvent *event)
     QAction *unmark = menu.addAction(tr("Unmark"));
     QAction *open = menu.addAction(tr("Open"));
     QAction *openDirAction = menu.addAction(tr("Open file location"));
+    QAction *copyPath = menu.addAction(tr("Copy files"));
 
     QAction *a = menu.exec(event->globalPos());
     if(a == nullptr)
@@ -232,6 +283,22 @@ void DatabaseTableView::contextMenuEvent(QContextMenuEvent *event)
         emit openFile(indexes);
     else if(a == openDirAction)
         emit openDir(indexes);
+    else if(a == copyPath)
+    {
+        QStringList paths;
+        QList<QUrl> urls;
+        for(auto &index : indexes)
+        {
+            QString path = index.siblingAtColumn(0).data().toString();
+            paths.append(path);
+            urls.append(QUrl::fromLocalFile(path));
+        }
+        QMimeData *data = new QMimeData;
+        data->setUrls(urls);
+        data->setText(paths.join('\n'));
+        QClipboard *clipboard = QGuiApplication::clipboard();
+        clipboard->setMimeData(data);
+    }
 }
 
 DataBaseView::DataBaseView(Database *database, QWidget *parent) : QWidget(parent)
@@ -300,12 +367,13 @@ DataBaseView::DataBaseView(Database *database, QWidget *parent) : QWidget(parent
     };
 
     QStringList fitsKeywords = m_database->getFitsKeywords();
+    QStringList filterKey = settings.value("databaseview/filterKey", QStringList{"file", "file", "file"}).toStringList();
     for(int i=0; i<3; i++)
     {
         m_filterKeyword[i] = new QComboBox(this);
         m_filterKeyword[i]->setMaximumWidth(300);
         addFilterItems(m_filterKeyword[i], fitsKeywords);
-
+        m_filterKeyword[i]->setCurrentText(filterKey[i]);
 
         m_search[i] = new QLineEdit(this);
         m_search[i]->setPlaceholderText(tr("Text to search, you can % as wildcard"));
@@ -339,8 +407,13 @@ DataBaseView::DataBaseView(Database *database, QWidget *parent) : QWidget(parent
 
 DataBaseView::~DataBaseView()
 {
+    QStringList filterKey;
+    for(int i = 0; i < 3; i++)
+        filterKey.append(m_filterKeyword[i]->currentText());
+
     QSettings settings;
     settings.setValue("databaseview/header", m_tableView->horizontalHeader()->saveState());
+    settings.setValue("databaseview/filterKey", filterKey);
 }
 
 void DataBaseView::selectColumns()
@@ -392,6 +465,7 @@ bool DataBaseView::exportCSV(const QString &path)
     if(!csv.open(QIODevice::WriteOnly | QIODevice::Text))
         return false;
 
+    m_model->load();
     QSqlQuery sql(m_model->query().lastQuery());
     int colCount = m_model->columnCount();
     QStringList header;
@@ -420,3 +494,42 @@ bool DataBaseView::exportCSV(const QString &path)
     }
     return true;
 }
+
+void DataBaseView::visible(bool visible)
+{
+    if(visible)m_model->load();
+}
+
+CopyTableView::CopyTableView(QWidget *parent) : QTableView(parent)
+{
+}
+
+void CopyTableView::keyPressEvent(QKeyEvent *event)
+{
+    if(event->matches(QKeySequence::Copy))
+    {
+        QModelIndexList list = selectedIndexes();
+        QString table;
+        if(list.size() == 0)return;
+
+        int row = list.first().row();
+        int col = list.first().column();
+        for(auto &index : list)
+        {
+            if(row != index.row())
+                table.append('\n');
+            else if(col != index.column())
+                table.append('\t');
+
+            table.append(index.data().toString());
+            row = index.row();
+            col = index.column();
+        }
+        qApp->clipboard()->setText(table);
+        event->accept();
+    }
+    else
+    {
+        QTableView::keyPressEvent(event);
+    }
+}

src/databaseview.h

@@ -30,6 +30,7 @@ class FITSFileModel : public QSqlQueryModel
     QStringList m_limit;
     QSet<QString> m_markedFiles;
     Database *m_database;
+    bool m_loaded = false;
 public:
     explicit FITSFileModel(Database *database, QObject *parent = nullptr);
     void sort(int column, Qt::SortOrder order) override;
@@ -38,11 +39,20 @@ public:
     QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
     void filesMarked(const QModelIndexList &indexes);
     void filesUnmarked(const QModelIndexList &indexes);
+    void load();
 protected:
     void prepareQuery();
 };
 
-class DatabaseTableView : public QTableView
+class CopyTableView : public QTableView
+{
+    Q_OBJECT
+public:
+    explicit CopyTableView(QWidget *parent = nullptr);
+    void keyPressEvent(QKeyEvent *event);
+};
+
+class DatabaseTableView : public CopyTableView
 {
     Q_OBJECT
 public:
@@ -74,6 +84,7 @@ public slots:
     void itemActivated(const QModelIndex &index);
     void applyFilter();
     bool exportCSV(const QString &path);
+    void visible(bool visible);
 signals:
     void loadFile(QString file);
 };

src/filemanager.cpp

@@ -0,0 +1,766 @@
+#include "filemanager.h"
+#include "ui_filemanager.h"
+#include "ui_fitskeyword.h"
+
+#include <QSettings>
+#include <QStandardPaths>
+#include <QDesktopServices>
+#include <QMimeData>
+#include <QClipboard>
+#include <QThread>
+#include <QDirIterator>
+#include "loadimage.h"
+
+class FileTimes
+{
+public:
+    explicit FileTimes(const QString &path)
+    {
+        QFile file(path);
+#ifndef Q_OS_WIN
+        birthTime = file.fileTime(QFileDevice::FileBirthTime);
+#endif
+        modificationTime = file.fileTime(QFileDevice::FileModificationTime);
+        accessTime = file.fileTime(QFileDevice::FileAccessTime);
+    }
+    void apply(const QString &path)
+    {
+        QFile file(path);
+        if(file.open(QIODevice::WriteOnly | QIODevice::Append | QIODevice::ExistingOnly))
+        {
+#ifndef Q_OS_WIN // Only windows allow changing birth time
+            file.setFileTime(birthTime, QFileDevice::FileBirthTime);
+#endif
+            file.setFileTime(accessTime, QFileDevice::FileAccessTime);
+            file.setFileTime(modificationTime, QFileDevice::FileModificationTime);
+        }
+    }
+private:
+    QDateTime birthTime;
+    QDateTime modificationTime;
+    QDateTime accessTime;
+};
+
+FileTransfer::FileTransfer(FileManager *fm) :
+    _fm(fm)
+{
+}
+
+FileTransfer::~FileTransfer()
+{
+    _run = false;
+}
+
+void FileTransfer::copy(const QStringList &src, const QString &dst)
+{
+    _run = true;
+    perform(src, dst, true);
+    emit finished();
+}
+
+void FileTransfer::move(const QStringList &src, const QString &dst)
+{
+    _run = true;
+    perform(src, dst, false);
+    emit finished();
+}
+
+void FileTransfer::cancel()
+{
+    _run = false;
+}
+
+void FileTransfer::perform(const QStringList &src, const QString &dst, bool copy)
+{
+    QDir dstDir(dst);
+    if(!dstDir.exists())
+    {
+        emit error(tr("Error"), tr("Destination directory %1 doesn't exists").arg(dstDir.absolutePath()));
+        return;
+    }
+
+    QList<Action> actions;
+    QStringList dirs;
+
+    emit progress(0);
+
+    for(const QString &i : src)
+    {
+        QFileInfo srcInfo(i);
+        if(srcInfo.absolutePath() == dst || dst.startsWith(srcInfo.absoluteFilePath()))
+            return;
+
+        if(srcInfo.isDir())
+        {
+            QDir srcDir(i);
+            //qDebug() << "dir" << srcInfo.absoluteFilePath() << srcInfo.fileName();
+            if(!copy && !dstDir.exists(srcInfo.fileName()))
+            {
+                if(QFile::rename(srcInfo.absoluteFilePath(), dstDir.absoluteFilePath(srcInfo.fileName())))
+                    continue;
+            }
+            actions.append({srcInfo.absoluteFilePath(), srcInfo.fileName(), true});
+            if(!copy)dirs.prepend(srcInfo.absoluteFilePath());
+            QDirIterator it(i, QDirIterator::Subdirectories | QDirIterator::FollowSymlinks);
+            while(it.hasNext())
+            {
+                QFileInfo info = it.nextFileInfo();
+                if(info.fileName() == "." || info.fileName() == "..")
+                    continue;
+
+                QString relativePath = srcDir.dirName() + "/" + srcDir.relativeFilePath(info.absoluteFilePath());
+                if(info.isDir())
+                {
+                    actions.append({"", relativePath, true});
+                    if(!copy)dirs.prepend(info.absoluteFilePath());
+                    //qDebug() << "dir" << info.absoluteFilePath() << relativePath;
+                }
+                else
+                {
+                    actions.append({info.absoluteFilePath(), dstDir.absoluteFilePath(relativePath), false});
+                    //qDebug() << "file" << info.absoluteFilePath() << dstDir.absoluteFilePath(relativePath);
+                }
+            }
+        }
+        else
+        {
+            actions.append({srcInfo.absoluteFilePath(), dstDir.absoluteFilePath(srcInfo.fileName())});
+            //qDebug() << "file" << srcInfo.absoluteFilePath() << dstDir.absoluteFilePath(srcInfo.fileName());
+        }
+    }
+
+    bool overwriteAll = false;
+    bool skipAll = false;
+    int total = actions.size();
+    int i = 0;
+    for(auto &a : actions)
+    {
+        if(!_run)
+            return;
+
+        if(a.dir)
+        {
+            dstDir.mkpath(a.dst);
+        }
+        else
+        {
+            QFileInfo dstInfo(a.dst);
+            if(dstInfo.exists())
+            {
+                if(overwriteAll)
+                {
+                    QFile::remove(dstInfo.absoluteFilePath());
+                }
+                else if(skipAll)
+                {
+                    emit progress(i++ * 100 / total);
+                    continue;
+                }
+                else
+                {
+                    QMessageBox::StandardButton ret;
+                    QMetaObject::invokeMethod(_fm, "overwrite", Qt::BlockingQueuedConnection, Q_RETURN_ARG(QMessageBox::StandardButton, ret), Q_ARG(QString, dstInfo.fileName()));
+                    switch(ret)
+                    {
+                    case QMessageBox::YesToAll:
+                        overwriteAll = true;//break; is intentionally missing
+                    case QMessageBox::Yes:
+                        QFile::remove(dstInfo.absoluteFilePath());
+                        break;
+                    case QMessageBox::NoToAll:
+                        skipAll = true;//break; is intentionally missing
+                    case QMessageBox::No:
+                        emit progress(i++ * 100 / total);
+                        continue;
+                        break;
+                    case QMessageBox::Cancel:
+                        return;
+                    default:
+                        break;
+                    }
+                }
+            }
+            FileTimes t(a.src);
+            if(copy)
+            {
+                if(!QFile::copy(a.src, a.dst))
+                {
+                    emit error(tr("Copy failed"), tr("Failed to copy file %1 to %2").arg(a.src).arg(a.dst));
+                    return;
+                }
+            }
+            else
+            {
+                if(!QFile::rename(a.src, a.dst))
+                {
+                    emit error(tr("Move failed"), tr("Failed to move file %1 to %2").arg(a.src).arg(a.dst));
+                    return;
+                }
+            }
+            t.apply(a.dst);
+        }
+        emit progress(i++ * 100 / total);
+    }
+
+    if(!copy)
+    {
+        for(const QString &d : dirs)
+        {
+            QDir dir(d);
+            if(dir.isEmpty())
+                dir.removeRecursively();
+        }
+    }
+}
+
+PathTabBar::PathTabBar(const QStringList &tabs) :
+    _tabs(tabs)
+{
+    setTabsClosable(true);
+    setExpanding(false);
+
+    for(auto &t : _tabs)
+    {
+        QDir dir(t);
+        int i = addTab(tabName(t));
+        setTabToolTip(i, t);
+    }
+
+    connect(this, &QTabBar::currentChanged, [this](int index){
+        QString path = _tabs.at(index);
+        emit pathChanged(path);
+    });
+    connect(this, &QTabBar::tabCloseRequested, [this](int index){
+        if(_tabs.size() >= 2)
+        {
+            _tabs.remove(index);
+            removeTab(index);
+        }
+    });
+    connect(this, &QTabBar::currentChanged, [this](int index){
+        emit tabChanged(_tabs[index]);
+    });
+}
+
+QHBoxLayout *PathTabBar::createLayout()
+{
+    QHBoxLayout *hlayout = new QHBoxLayout();
+
+    hlayout->addWidget(this);
+    hlayout->addStretch(2);
+    QPushButton *addButton = new QPushButton("+");
+    connect(addButton, &QPushButton::clicked, [this](){
+        QString path = _tabs[currentIndex()];
+        _tabs.append(path);
+        int i = addTab(tabName(path));
+        setTabToolTip(i, path);
+    });
+    hlayout->addWidget(addButton);
+    return hlayout;
+}
+
+const QStringList &PathTabBar::tabPaths() const
+{
+    return _tabs;
+}
+
+QString PathTabBar::currentTabPath() const
+{
+    int index = std::clamp(currentIndex(), 0, (int)_tabs.size());
+    return _tabs[index];
+}
+
+void PathTabBar::pathChanged(const QString &path)
+{
+    QDir dir(path);
+    int index = currentIndex();
+    setTabText(index, tabName(path));
+    setTabToolTip(index, path);
+    _tabs[index] = path;
+}
+
+QString PathTabBar::tabName(const QString &path)
+{
+    QDir dir(path);
+    if(dir.dirName().isEmpty())
+        return path;
+    else
+        return dir.dirName();
+}
+
+FITSSelection::FITSSelection(const QStringList &keywords, QWidget *parent) : QDialog(parent)
+    ,ui(new Ui::FITSKeyword)
+{
+    ui->setupUi(this);
+    connect(ui->addButton, &QPushButton::clicked, [this](){
+        auto item = ui->keywordList->findItems(ui->keyword->text(), Qt::MatchFixedString | Qt::MatchCaseSensitive);
+        if(item.size())return;
+        ui->keywordList->addItem(ui->keyword->text());
+    });
+    connect(ui->removeButton, &QPushButton::clicked, [this](){
+        auto items = ui->keywordList->selectedItems();
+        for(auto item : items)
+            delete item;
+    });
+
+    ui->keywordList->addItems(keywords);
+}
+
+FITSSelection::~FITSSelection()
+{
+    delete ui;
+}
+
+QStringList FITSSelection::FITSKeywords() const
+{
+    QStringList keywords;
+    for(int i = 0; i < ui->keywordList->count(); i++)
+        keywords.append(ui->keywordList->item(i)->text());
+
+    return keywords;
+}
+
+FileManager::FileManager(const QSet<QString> &openFilter, QWidget *parent) : QMainWindow(parent)
+    ,ui(new Ui::FileManager)
+{
+    ui->setupUi(this);
+
+    QStringList standardLocations = QStandardPaths::standardLocations(QStandardPaths::PicturesLocation);
+    QString picturesPath;
+    if(standardLocations.size())
+        picturesPath = standardLocations.first();
+
+    QSettings settings;
+    QStringList leftTabs = settings.value("filemanager/leftTabPaths", picturesPath).toStringList();
+    QStringList rightTabs = settings.value("filemanager/rightTabPaths", picturesPath).toStringList();
+    if(leftTabs.empty())leftTabs.append(picturesPath);
+    if(rightTabs.empty())rightTabs.append(picturesPath);
+
+    ui->leftTab->setOpenFilter(openFilter);
+    ui->rightTab->setOpenFilter(openFilter);
+
+    _rightTabBar = new PathTabBar(rightTabs);
+    ui->rightLayout->insertLayout(0, _rightTabBar->createLayout());
+    connect(_rightTabBar, &PathTabBar::tabChanged, ui->rightTab, &DirView::setDir);
+
+    _leftTabBar = new PathTabBar(leftTabs);
+    ui->leftLayout->insertLayout(0, _leftTabBar->createLayout());
+    connect(_leftTabBar, &PathTabBar::tabChanged, ui->leftTab, &DirView::setDir);
+
+    connect(ui->leftTab, &DirView::dirChanged, ui->leftPath, &QLineEdit::setText);
+    connect(ui->leftTab, &DirView::dirChanged, _leftTabBar, &PathTabBar::pathChanged);
+    connect(ui->rightTab, &DirView::dirChanged, ui->rightPath, &QLineEdit::setText);
+    connect(ui->rightTab, &DirView::dirChanged, _rightTabBar, &PathTabBar::pathChanged);
+    connect(ui->leftTab, &DirView::openFile, this, &FileManager::openFile);
+    connect(ui->rightTab, &DirView::openFile, this, &FileManager::openFile);
+    connect(ui->leftTab, &DirView::filesAction, this, &FileManager::copyMoveFiles, Qt::QueuedConnection);
+    connect(ui->rightTab, &DirView::filesAction, this, &FileManager::copyMoveFiles, Qt::QueuedConnection);
+    connect(ui->actionLoad_FITS_keywordsLeft, &QAction::toggled, ui->leftTab, &DirView::loadFitsKeywords);
+    connect(ui->actionLoad_FITS_keywordsRight, &QAction::toggled, ui->rightTab, &DirView::loadFitsKeywords);
+
+    ui->leftTab->setDir(_leftTabBar->currentTabPath());
+    ui->leftTab->setFITSKeywords(settings.value("filemanager/leftFitsKeywords", QStringList("OBJECT")).toStringList());
+    ui->leftTab->header()->restoreState(settings.value("filemanager/leftTabHeader").toByteArray());
+    ui->rightTab->setDir(_rightTabBar->currentTabPath());
+    ui->rightTab->setFITSKeywords(settings.value("filemanager/rightFitsKeywords", QStringList("OBJECT")).toStringList());
+    ui->rightTab->header()->restoreState(settings.value("filemanager/rightTabHeader").toByteArray());
+
+    ui->actionLoad_FITS_keywordsLeft->setChecked(settings.value("filemanager/leftLoadFitsKeywords", true).toBool());
+    ui->actionLoad_FITS_keywordsRight->setChecked(settings.value("filemanager/rightLoadFitsKeywords", true).toBool());
+    restoreGeometry(settings.value("filemanager/geometry").toByteArray());
+
+    setAttribute(Qt::WA_DeleteOnClose);
+
+    connect(ui->actionSelect_columnsLeft, &QAction::triggered, this, &FileManager::selectFITSKeywords);
+    connect(ui->actionSelect_columnsRight, &QAction::triggered, this, &FileManager::selectFITSKeywords);
+    connect(ui->actionCopySelectedFilesPathsLeft, &QAction::triggered, this, &FileManager::copySelectedFilesPaths);
+    connect(ui->actionCopySelectedFilesPathsRight, &QAction::triggered, this, &FileManager::copySelectedFilesPaths);
+    connect(ui->leftPath, &QLineEdit::returnPressed, this, &FileManager::pathEdited);
+    connect(ui->rightPath, &QLineEdit::returnPressed, this, &FileManager::pathEdited);
+
+    QFileInfoList drives = QDir::drives();
+    for(auto &drive : drives)
+    {
+        QString path = drive.absoluteFilePath();
+        ui->menuLeft_Tab->addAction(drive.absoluteFilePath(), [path, this](){ ui->leftTab->setDir(path); });
+        ui->menuRight_Tab->addAction(drive.absoluteFilePath(), [path, this](){ ui->rightTab->setDir(path); });
+    }
+
+    ui->progressBar->hide();
+    ui->cancelButton->hide();
+
+    _thread = new QThread(this);
+    _thread->start();
+    _fileTransfer = new FileTransfer(this);
+    _fileTransfer->moveToThread(_thread);
+    connect(_fileTransfer, &FileTransfer::progress, ui->progressBar, &QProgressBar::setValue);
+    connect(_fileTransfer, &FileTransfer::error, this, &FileManager::errorMessage);
+    connect(_fileTransfer, &FileTransfer::finished, [this](){
+        ui->leftTab->setDragEnabled(true);
+        ui->rightTab->setDragEnabled(true);
+        ui->progressBar->hide();
+        ui->cancelButton->hide();
+    });
+    connect(this, &FileManager::copy, _fileTransfer, &FileTransfer::copy);
+    connect(this, &FileManager::move, _fileTransfer, &FileTransfer::move);
+    connect(ui->cancelButton, &QPushButton::clicked, [this](){ _fileTransfer->cancel(); });
+}
+
+FileManager::~FileManager()
+{
+    QSettings settings;
+    settings.setValue("filemanager/leftFitsKeywords", ui->leftTab->FITSKeywords());
+    settings.setValue("filemanager/leftTabPaths", _leftTabBar->tabPaths());
+    settings.setValue("filemanager/leftTabHeader", ui->leftTab->header()->saveState());
+    settings.setValue("filemanager/rightFitsKeywords", ui->rightTab->FITSKeywords());
+    settings.setValue("filemanager/rightTabPaths", _rightTabBar->tabPaths());
+    settings.setValue("filemanager/rightTabHeader", ui->rightTab->header()->saveState());
+    settings.setValue("filemanager/leftLoadFitsKeywords", ui->actionLoad_FITS_keywordsLeft->isChecked());
+    settings.setValue("filemanager/rightLoadFitsKeywords", ui->actionLoad_FITS_keywordsRight->isChecked());
+    settings.setValue("filemanager/geometry", saveGeometry());
+    delete ui;
+
+    _fileTransfer->cancel();
+    _thread->quit();
+    _thread->wait();
+
+    delete _fileTransfer;
+}
+
+void FileManager::selectFITSKeywords()
+{
+    QStringList columns;
+    if(sender() == ui->actionSelect_columnsLeft)
+        columns = ui->leftTab->FITSKeywords();
+    if(sender() == ui->actionSelect_columnsRight)
+        columns = ui->rightTab->FITSKeywords();
+
+    FITSSelection selection(columns, this);
+    int ret = selection.exec();
+
+    if(ret == QDialog::Accepted)
+    {
+        if(sender() == ui->actionSelect_columnsLeft)
+            ui->leftTab->setFITSKeywords(selection.FITSKeywords());
+
+        if(sender() == ui->actionSelect_columnsRight)
+            ui->rightTab->setFITSKeywords(selection.FITSKeywords());
+    }
+}
+
+void FileManager::copySelectedFilesPaths()
+{
+    if(sender() == ui->actionCopySelectedFilesPathsLeft)
+        ui->leftTab->copySelectedFilesPathsToClipboard();
+    if(sender() == ui->actionCopySelectedFilesPathsRight)
+        ui->rightTab->copySelectedFilesPathsToClipboard();
+}
+
+void FileManager::pathEdited()
+{
+    if(sender() == ui->leftPath)
+    {
+        QDir dir(ui->leftPath->text());
+        if(dir.exists())
+            ui->leftTab->setDir(dir.absolutePath());
+    }
+    if(sender() == ui->rightPath)
+    {
+        QDir dir(ui->rightPath->text());
+        if(dir.exists())
+            ui->rightTab->setDir(dir.absolutePath());
+    }
+}
+
+void FileManager::copyMoveFiles(Qt::DropAction action, const QStringList &src, const QString &dst)
+{
+    ui->leftTab->setDragEnabled(false);
+    ui->rightTab->setDragEnabled(false);
+    ui->progressBar->show();
+    ui->cancelButton->show();
+
+    switch(action)
+    {
+    case Qt::CopyAction:
+        emit copy(src, dst);
+        break;
+    case Qt::MoveAction:
+        emit move(src, dst);
+        break;
+    case Qt::LinkAction:
+    default:
+        break;
+    }
+}
+
+QMessageBox::StandardButton FileManager::overwrite(const QString &dst)
+{
+    QMessageBox::StandardButton button = QMessageBox::question(this, tr("Overwrite file?"), tr("Destination file %1 already exists. Overwrite?").arg(dst),
+                                                               QMessageBox::Yes | QMessageBox::YesToAll | QMessageBox::No | QMessageBox::NoToAll | QMessageBox::Cancel);
+
+    return button;
+}
+
+void FileManager::errorMessage(const QString &title, const QString &text)
+{
+    QMessageBox::critical(this, title, text);
+}
+
+QCache<QString, ImageInfoData>* DirFileSystemModel::getCacheInstance()
+{
+    static bool init = true;
+    static QCache<QString, ImageInfoData> cache;
+    if(!init)
+    {
+        cache.setMaxCost(10000);
+        init = false;
+    }
+    return &cache;
+}
+
+DirFileSystemModel::DirFileSystemModel(QWidget *parentWidget) : QFileSystemModel(parentWidget)
+    ,_parentWidget(parentWidget)
+{
+    _cache = getCacheInstance();
+    setFilter(QDir::AllEntries | QDir::NoDot);
+    _fitsKeywords = {"OBJECT"};
+}
+
+void DirFileSystemModel::setDir(const QString &path)
+{
+    _dir = index(path);
+}
+
+QString DirFileSystemModel::dir() const
+{
+    return fileInfo(_dir).canonicalFilePath();
+}
+
+void DirFileSystemModel::setFITSKeywords(const QStringList &keywords)
+{
+    beginResetModel();
+    _fitsKeywords = keywords;
+    endResetModel();
+}
+
+const QStringList &DirFileSystemModel::FITSKeywords() const
+{
+    return _fitsKeywords;
+}
+
+Qt::ItemFlags DirFileSystemModel::flags(const QModelIndex &index) const
+{
+    Qt::ItemFlags ret = QFileSystemModel::flags(index) & ~Qt::ItemIsEditable;
+    if(index.row() == 0)ret &= ~Qt::ItemIsDragEnabled;
+    return ret;
+}
+
+int DirFileSystemModel::columnCount(const QModelIndex &parent) const
+{
+    return QFileSystemModel::columnCount(parent) + _fitsKeywords.size();
+}
+
+QVariant DirFileSystemModel::data(const QModelIndex &index, int role) const
+{
+    if(index.column() >= QFileSystemModel::columnCount() && role == Qt::DisplayRole)
+    {
+        QFileInfo info = fileInfo(index);
+        QString path = info.canonicalFilePath();
+        QString suffix = info.suffix();
+        ImageInfoData *infoData = nullptr;
+        if(_cache->contains(path))
+        {
+            infoData = _cache->object(path);
+        }
+        else
+        {
+            if(_loadFitsKeywords)
+            {
+                infoData = new ImageInfoData;
+                if(isFITS(suffix))
+                    readFITSHeader(path, *infoData);
+                else if(isXISF(suffix))
+                    readXISFHeader(path, *infoData);
+                _cache->insert(path, infoData);
+            }
+        }
+        if(infoData)
+        {
+            int column = index.column() - QFileSystemModel::columnCount();
+            if(column < _fitsKeywords.size())
+            {
+                const QString &key = _fitsKeywords.at(column);
+                for(auto &record : infoData->fitsHeader)
+                    if(record.key == key)
+                        return record.value;
+            }
+        }
+        return "";
+    }
+    return QFileSystemModel::data(index, role);
+}
+
+QVariant DirFileSystemModel::headerData(int section, Qt::Orientation orientation, int role) const
+{
+    if(orientation == Qt::Horizontal && role == Qt::DisplayRole && section >= QFileSystemModel::columnCount())
+        return _fitsKeywords.at(section - QFileSystemModel::columnCount());
+
+    return QFileSystemModel::headerData(section, orientation, role);
+}
+
+bool DirFileSystemModel::hasChildren(const QModelIndex &parent) const
+{
+    if(parent.parent() == _dir)return false;
+
+    return QFileSystemModel::hasChildren(parent);
+}
+
+bool DirFileSystemModel::dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent)
+{
+    Q_UNUSED(row);
+    Q_UNUSED(column);
+    if(data->hasUrls())
+    {
+        QStringList srcPaths;
+        for(auto &url : data->urls())
+            srcPaths.append(url.toLocalFile());
+        emit filesAction(action, srcPaths, filePath(parent));
+    }
+
+    return false;
+}
+
+void DirFileSystemModel::loadFitsKeywords(bool enable)
+{
+    _loadFitsKeywords = enable;
+}
+
+DirView::DirView(QWidget *parent) : QTreeView(parent)
+{
+    _dirFileSystemModel = new DirFileSystemModel(this);
+    _dirFileSystemModel->setRootPath(QDir::drives().first().path());
+    _dirFileSystemModel->setReadOnly(false);
+    setDragEnabled(true);
+    setAcceptDrops(true);
+
+    connect(_dirFileSystemModel, &DirFileSystemModel::filesAction, this, &DirView::filesAction);
+
+    setModel(_dirFileSystemModel);
+    setSelectionMode(QAbstractItemView::ExtendedSelection);
+
+    connect(this, &QTreeView::doubleClicked, [this](const QModelIndex &index){
+        QFileInfo info = _dirFileSystemModel->fileInfo(index);
+        if(_dirFileSystemModel->isDir(index))
+        {
+            setDir(info.canonicalFilePath());
+        }
+        else if(info.isFile())
+        {
+            if(_openFilter.contains(info.suffix().toLower()))
+                emit openFile(info.absoluteFilePath());
+            else
+                QDesktopServices::openUrl(QUrl::fromLocalFile(info.absoluteFilePath()));
+        }
+    });
+
+    header()->setContextMenuPolicy(Qt::CustomContextMenu);
+    connect(header(), &QHeaderView::customContextMenuRequested, this, &DirView::headerContextMenu);
+}
+
+void DirView::setDir(const QString &path)
+{
+    QString oldPath = _dirFileSystemModel->dir();
+#ifdef Q_OS_WINDOWS
+    const int ROOT_LEN = 3;
+#else
+    const int ROOT_LEN = 1;
+#endif
+
+    if(oldPath.left(ROOT_LEN) != path.left(ROOT_LEN))
+        _dirFileSystemModel->setRootPath(path.left(ROOT_LEN));
+
+    QString newPath = path;
+    if(!QFileInfo::exists(path))
+    {
+        QDir dir(path);
+        do
+        {
+            dir.setPath(QDir::cleanPath(dir.filePath("..")));
+        }while(!dir.exists() && !dir.isRoot());
+        newPath = dir.path();
+    }
+
+    _dirFileSystemModel->setDir(newPath);
+    setRootIndex(_dirFileSystemModel->index(newPath, 0));
+    clearSelection();
+    if(oldPath != newPath)emit dirChanged(newPath);
+}
+
+QString DirView::dir() const
+{
+    return _dirFileSystemModel->dir();
+}
+
+void DirView::setOpenFilter(const QSet<QString> &openFilter)
+{
+    _openFilter = openFilter;
+}
+
+void DirView::setFITSKeywords(const QStringList &keywords)
+{
+    QString d = dir();
+    _dirFileSystemModel->setFITSKeywords(keywords);
+    setDir(d);
+}
+
+const QStringList &DirView::FITSKeywords() const
+{
+    return _dirFileSystemModel->FITSKeywords();
+}
+
+void DirView::headerContextMenu(const QPoint &pos)
+{
+    QHeaderView *head = header();
+    QMenu menu;
+    int count = head->count();
+    for(int i = 0; i < count; i++)
+    {
+        QAction *a = menu.addAction(head->model()->headerData(i, Qt::Horizontal).toString());
+        a->setCheckable(true);
+        a->setChecked(!head->isSectionHidden(i));
+        a->setData(i);
+    }
+
+    QAction *a = menu.exec(mapToGlobal(pos));
+    if(a)
+    {
+        if(a->isChecked())head->showSection(a->data().toInt());
+        else head->hideSection(a->data().toInt());
+    }
+}
+
+void DirView::loadFitsKeywords(bool enable)
+{
+    _dirFileSystemModel->loadFitsKeywords(enable);
+}
+
+void DirView::copySelectedFilesPathsToClipboard() const
+{
+    QList<QUrl> urls;
+    QString text;
+    auto selected = selectionModel()->selectedRows();
+    for(auto &item : selected)
+    {
+        if(item.column() == 0)
+        {
+            QString path = _dirFileSystemModel->filePath(item);
+            text.append(path); text.append('\n');
+            urls.append(QUrl::fromLocalFile(path));
+        }
+    }
+    QClipboard *clipboard = QApplication::clipboard();
+    QMimeData *mimeData = new QMimeData();
+    mimeData->setUrls(urls);
+    mimeData->setText(text);
+    clipboard->setMimeData(mimeData);
+}

src/filemanager.h

@@ -0,0 +1,150 @@
+#ifndef FILEMANAGER_H
+#define FILEMANAGER_H
+
+#include <QMainWindow>
+#include <QCache>
+#include <QFileSystemModel>
+#include <QTreeView>
+#include <QDialog>
+#include <QTabBar>
+#include <QHBoxLayout>
+#include <QMessageBox>
+#include "imageinfodata.h"
+
+namespace Ui {
+class FileManager;
+class FITSKeyword;
+}
+
+class FileManager;
+
+class FileTransfer: public QObject
+{
+    Q_OBJECT
+public:
+    explicit FileTransfer(FileManager *fm);
+    ~FileTransfer();
+public slots:
+    void copy(const QStringList &src, const QString &dst);
+    void move(const QStringList &src, const QString &dst);
+    void cancel();
+signals:
+    void progress(int percent);
+    void finished();
+    void error(const QString &title, const QString &text);
+private:
+    void perform(const QStringList &src, const QString &dst, bool copy);
+    struct Action
+    {
+        QString src;
+        QString dst;
+        bool dir = false;
+    };
+    FileManager *_fm;
+    bool _run = true;
+};
+
+class PathTabBar : public QTabBar
+{
+    Q_OBJECT
+public:
+    explicit PathTabBar(const QStringList &tabs);
+    QHBoxLayout* createLayout();
+    const QStringList& tabPaths() const;
+    QString currentTabPath() const;
+public slots:
+    void pathChanged(const QString &path);
+signals:
+    void tabChanged(const QString &path);
+private:
+    QStringList _tabs;
+    QString tabName(const QString &path);
+};
+
+class FITSSelection : public QDialog
+{
+    Q_OBJECT
+public:
+    FITSSelection(const QStringList &keywords, QWidget *parent = nullptr);
+    ~FITSSelection();
+    QStringList FITSKeywords() const;
+private:
+    Ui::FITSKeyword *ui;
+};
+
+class FileManager : public QMainWindow
+{
+    Q_OBJECT
+public:
+    explicit FileManager(const QSet<QString> &openFilter, QWidget *parent = nullptr);
+    ~FileManager();
+public slots:
+    void selectFITSKeywords();
+    void copySelectedFilesPaths();
+    void pathEdited();
+    void copyMoveFiles(Qt::DropAction action, const QStringList &src, const QString &dst);
+    QMessageBox::StandardButton overwrite(const QString &dst);
+    void errorMessage(const QString &title, const QString &text);
+signals:
+    void openFile(const QString &path);
+    void copy(const QStringList &src, const QString &dst);
+    void move(const QStringList &src, const QString &dst);
+private:
+    Ui::FileManager *ui;
+    PathTabBar *_leftTabBar;
+    PathTabBar *_rightTabBar;
+    QThread *_thread;
+    FileTransfer *_fileTransfer;
+};
+
+class DirFileSystemModel : public QFileSystemModel
+{
+    Q_OBJECT
+public:
+    explicit DirFileSystemModel(QWidget *parentWidget);
+    void setDir(const QString &path);
+    QString dir() const;
+    void setFITSKeywords(const QStringList &keywords);
+    const QStringList& FITSKeywords() const;
+    Qt::ItemFlags flags(const QModelIndex &index) const override;
+    int columnCount(const QModelIndex &parent) const override;
+    QVariant data(const QModelIndex &index, int role) const override;
+    QVariant headerData(int section, Qt::Orientation orientation, int role) const override;
+    bool hasChildren(const QModelIndex &parent) const override;
+    bool dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent) override;
+public slots:
+    void loadFitsKeywords(bool enable);
+signals:
+    void filesAction(Qt::DropAction action, const QStringList &src, const QString &dst);
+private:
+    mutable QCache<QString, ImageInfoData> *_cache = nullptr;
+    static QCache<QString, ImageInfoData>* getCacheInstance();
+    QModelIndex _dir;
+    QStringList _fitsKeywords;
+    bool _loadFitsKeywords = true;
+    QWidget *_parentWidget = nullptr;
+};
+
+class DirView : public QTreeView
+{
+    Q_OBJECT
+    DirFileSystemModel *_dirFileSystemModel = nullptr;
+    QSet<QString> _openFilter;
+public:
+    explicit DirView(QWidget *parent = nullptr);
+    void setDir(const QString &path);
+    QString dir() const;
+    void setOpenFilter(const QSet<QString> &openFilter);
+    void setFITSKeywords(const QStringList &keywords);
+    const QStringList& FITSKeywords() const;
+public slots:
+    void headerContextMenu(const QPoint &pos);
+    void loadFitsKeywords(bool enable);
+    void copySelectedFilesPathsToClipboard() const;
+signals:
+    void dirChanged(const QString &path);
+    void openFile(const QString &path);
+    void filesAction(Qt::DropAction action, const QStringList &src, const QString &dst);
+};
+
+#endif // FILEMANAGER_H

src/filemanager.ui

@@ -0,0 +1,150 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>FileManager</class>
+ <widget class="QMainWindow" name="FileManager">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>1282</width>
+    <height>858</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>File Manager</string>
+  </property>
+  <widget class="QWidget" name="centralwidget">
+   <layout class="QVBoxLayout" name="verticalLayout">
+    <item>
+     <layout class="QHBoxLayout" name="horizontalLayout">
+      <item>
+       <layout class="QVBoxLayout" name="leftLayout">
+        <item>
+         <widget class="QLineEdit" name="leftPath"/>
+        </item>
+        <item>
+         <widget class="DirView" name="leftTab"/>
+        </item>
+       </layout>
+      </item>
+      <item>
+       <layout class="QVBoxLayout" name="rightLayout">
+        <item>
+         <widget class="QLineEdit" name="rightPath"/>
+        </item>
+        <item>
+         <widget class="DirView" name="rightTab"/>
+        </item>
+       </layout>
+      </item>
+     </layout>
+    </item>
+    <item>
+     <layout class="QHBoxLayout" name="progressLayout">
+      <item>
+       <widget class="QProgressBar" name="progressBar">
+        <property name="sizePolicy">
+         <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+          <horstretch>1</horstretch>
+          <verstretch>0</verstretch>
+         </sizepolicy>
+        </property>
+        <property name="value">
+         <number>0</number>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QPushButton" name="cancelButton">
+        <property name="text">
+         <string>Cancel</string>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </item>
+   </layout>
+  </widget>
+  <widget class="QMenuBar" name="menubar">
+   <property name="geometry">
+    <rect>
+     <x>0</x>
+     <y>0</y>
+     <width>1282</width>
+     <height>23</height>
+    </rect>
+   </property>
+   <widget class="QMenu" name="menuLeft_Tab">
+    <property name="title">
+     <string>Left Tab</string>
+    </property>
+    <addaction name="actionLoad_FITS_keywordsLeft"/>
+    <addaction name="actionSelect_columnsLeft"/>
+    <addaction name="actionCopySelectedFilesPathsLeft"/>
+    <addaction name="separator"/>
+   </widget>
+   <widget class="QMenu" name="menuRight_Tab">
+    <property name="title">
+     <string>Right Tab</string>
+    </property>
+    <addaction name="actionLoad_FITS_keywordsRight"/>
+    <addaction name="actionSelect_columnsRight"/>
+    <addaction name="actionCopySelectedFilesPathsRight"/>
+    <addaction name="separator"/>
+   </widget>
+   <addaction name="menuLeft_Tab"/>
+   <addaction name="menuRight_Tab"/>
+  </widget>
+  <action name="actionLoad_FITS_keywordsLeft">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
+   <property name="checked">
+    <bool>true</bool>
+   </property>
+   <property name="text">
+    <string>Load FITS keywords</string>
+   </property>
+  </action>
+  <action name="actionLoad_FITS_keywordsRight">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
+   <property name="checked">
+    <bool>true</bool>
+   </property>
+   <property name="text">
+    <string>Load FITS keywords</string>
+   </property>
+  </action>
+  <action name="actionSelect_columnsLeft">
+   <property name="text">
+    <string>Select columns</string>
+   </property>
+  </action>
+  <action name="actionSelect_columnsRight">
+   <property name="text">
+    <string>Select columns</string>
+   </property>
+  </action>
+  <action name="actionCopySelectedFilesPathsLeft">
+   <property name="text">
+    <string>Copy selected files paths</string>
+   </property>
+  </action>
+  <action name="actionCopySelectedFilesPathsRight">
+   <property name="text">
+    <string>Copy selected files paths</string>
+   </property>
+  </action>
+ </widget>
+ <customwidgets>
+  <customwidget>
+   <class>DirView</class>
+   <extends>QTreeView</extends>
+   <header>filemanager.h</header>
+  </customwidget>
+ </customwidgets>
+ <resources/>
+ <connections/>
+</ui>

src/filesystemwidget.cpp

@@ -5,6 +5,7 @@
 #include <QMenu>
 #include <QSettings>
 #include <QHeaderView>
+#include <QMimeDatabase>
 
 FilesystemWidget::FilesystemWidget(QAbstractItemModel *model, QWidget *parent) : QWidget(parent)
   , m_model(model)
@@ -117,6 +118,7 @@ void Filetree::contextMenuEvent(QContextMenuEvent *event)
     {
         setRootIndex(index);
         m_rootDir = m_fileSystemModel->filePath(index);
+        m_fileSystemModel->setRootPath(m_rootDir);
     }
     else if(a == resetRoot)
     {
@@ -127,6 +129,7 @@ void Filetree::contextMenuEvent(QContextMenuEvent *event)
     {
         setRootIndex(rootIndex().parent());
         m_rootDir = m_fileSystemModel->filePath(rootIndex().parent());
+        m_fileSystemModel->setRootPath(m_rootDir);
     }
     else if(a == copy)
     {

src/filesystemwidget.h

@@ -3,6 +3,7 @@
 
 #include <QWidget>
 #include <QFileSystemModel>
+#include <QIdentityProxyModel>
 #include <QListView>
 #include <QTreeView>
 

src/fitskeyword.ui

@@ -0,0 +1,98 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>FITSKeyword</class>
+ <widget class="QDialog" name="FITSKeyword">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>432</width>
+    <height>443</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>FITS Columns</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <widget class="QListWidget" name="keywordList">
+     <property name="dragEnabled">
+      <bool>true</bool>
+     </property>
+     <property name="dragDropMode">
+      <enum>QAbstractItemView::InternalMove</enum>
+     </property>
+     <property name="defaultDropAction">
+      <enum>Qt::MoveAction</enum>
+     </property>
+     <property name="selectionMode">
+      <enum>QAbstractItemView::ExtendedSelection</enum>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QLineEdit" name="keyword"/>
+   </item>
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout">
+     <item>
+      <widget class="QPushButton" name="addButton">
+       <property name="text">
+        <string>Add</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="removeButton">
+       <property name="text">
+        <string>Remove</string>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>FITSKeyword</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>215</x>
+     <y>420</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>215</x>
+     <y>221</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>rejected()</signal>
+   <receiver>FITSKeyword</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>215</x>
+     <y>420</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>215</x>
+     <y>221</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>

src/httpdownloader.cpp

@@ -345,18 +345,22 @@ Download::Download(QNetworkReply *reply, const QString indexPath, QObject *paren
     filename.remove(QRegularExpression("\\.zst$"));
 
     _fw.setFileName(indexPath + "/" + filename);
-    _fw.open(QIODevice::WriteOnly | QIODevice::Truncate);
-    if(_fw.isOpen())
+    if(_fw.open(QIODevice::WriteOnly | QIODevice::Truncate))
     {
         qDebug() << "open file" << _fw.fileName();
+        _dstream = ZSTD_createDStream();
+    }
+    else
+    {
+        qWarning() << "Failed to open file" << _fw.fileName();
+        abort();
     }
-
-    _dstream = ZSTD_createDStream();
 }
 
 Download::~Download()
 {
-    ZSTD_freeDStream(_dstream);
+    if(_dstream)
+        ZSTD_freeDStream(_dstream);
 }
 
 void Download::abort()
@@ -402,7 +406,7 @@ void Download::finished()
 
 void Download::decompress(QByteArray &data)
 {
-    if(data.isEmpty())return;
+    if(data.isEmpty() || _dstream == nullptr)return;
 
     _hash.addData(data);
 

src/httpdownloader.h

@@ -11,8 +11,8 @@
 class Download : public QObject
 {
     Q_OBJECT
-    QNetworkReply *_reply;
-    ZSTD_DStream *_dstream;
+    QNetworkReply *_reply = nullptr;
+    ZSTD_DStream *_dstream = nullptr;
     QFile _fw;
     QCryptographicHash _hash;
 public:

src/imageinfo.cpp

@@ -11,6 +11,8 @@ ImageInfo::ImageInfo(QWidget *parent) : QTreeWidget(parent)
     setIndentation(5);
     QSettings settings;
     header()->restoreState(settings.value("imageinfo/headerstate").toByteArray());
+    setSortingEnabled(true);
+    header()->setSortIndicatorClearable(true);
 }
 
 ImageInfo::~ImageInfo()

src/imageinfodata.cpp

@@ -30,6 +30,7 @@ FITSRecord::FITSRecord(const LibXISF::FITSKeyword &record)
         string.chop(1);
         string.remove(0, 1);
     }
+    string = string.trimmed();
     bool isint;
     bool isdouble;
     double vald = string.toDouble(&isdouble);
@@ -86,6 +87,7 @@ WCSDataT::WCSDataT(int width, int height, const QVector<FITSRecord> &header) :
     for(const FITSRecord &record : header)
     {
         if(record.key.startsWith("PV"))continue;
+        if(record.xisf)continue;
 
         QByteArray rec;
         rec.append(record.key.leftJustified(8, ' '));
@@ -452,7 +454,8 @@ SkyGrid WCSDataT::prepareGrid(uint32_t w, uint32_t h, Database *database)
 
     if(database)
     {
-        skyGrid.objects = database->getObjects(minRa, maxRa, minDec, maxDec);
+        double size = std::max(maxRa - minRa, maxDec - minDec);
+        skyGrid.objects = database->getObjects(minRa - size, maxRa + size, minDec - size, maxDec + size);
         for(auto &object : skyGrid.objects)
         {
             QPointF p;

src/imageringlist.cpp

@@ -111,7 +111,7 @@ void Image::thumbnailLoadFinish(std::shared_ptr<RawImage> rawImage)
         emit thumbnailLoaded(this);
 }
 
-ImageRingList::ImageRingList(Database *database, const QStringList &nameFilter, QObject *parent) : QAbstractItemModel(parent)
+ImageRingList::ImageRingList(Database *database, const QStringList &nameFilter, QObject *parent) : QAbstractListModel(parent)
   , m_liveMode(false)
   , m_analyzeLevel(None)
   , m_database(database)
@@ -412,7 +412,7 @@ void ImageRingList::clearThumbnails()
         img->clearThumbnail();
 }
 
-QModelIndex ImageRingList::index(int row, int column, const QModelIndex &parent) const
+/*QModelIndex ImageRingList::index(int row, int column, const QModelIndex &parent) const
 {
     Q_UNUSED(parent);
     return createIndex(row, column, m_images.at(row).get());
@@ -422,7 +422,7 @@ QModelIndex ImageRingList::parent(const QModelIndex &child) const
 {
     Q_UNUSED(child);
     return QModelIndex();
-}
+}*/
 
 int ImageRingList::rowCount(const QModelIndex &parent) const
 {
@@ -432,31 +432,35 @@ int ImageRingList::rowCount(const QModelIndex &parent) const
         return 0;
 }
 
-int ImageRingList::columnCount(const QModelIndex &parent) const
+/*int ImageRingList::columnCount(const QModelIndex &parent) const
 {
     Q_UNUSED(parent);
     return 1;
-}
+}*/
 
 QVariant ImageRingList::data(const QModelIndex &index, int role) const
 {
-    switch(role)
+    if(index.isValid() && index.row() >= 0 && index.row() < m_images.size())
     {
-    case Qt::DisplayRole:
-    {
-        QFileInfo info(m_images.at(index.row())->name());
-        return info.fileName();
-    }
-    case Qt::FontRole:
-    {
-        bool marked = m_database->isMarked(m_images.at(index.row())->name());
-        QFont font;
-        font.setBold(marked);
-        return font;
-    }
-    default:
-        return QVariant();
+        switch(role)
+        {
+        case Qt::DisplayRole:
+        {
+            QFileInfo info(m_images.at(index.row())->name());
+            return info.fileName();
+        }
+        case Qt::FontRole:
+        {
+            bool marked = m_database->isMarked(m_images.at(index.row())->name());
+            QFont font;
+            font.setBold(marked);
+            return font;
+        }
+        default:
+            return QVariant();
+        }
     }
+    return QVariant();
 }
 
 QVariant ImageRingList::headerData(int section, Qt::Orientation orientation, int role) const

src/imageringlist.h

@@ -51,7 +51,7 @@ typedef std::shared_ptr<Image> ImagePtr;
 
 class Database;
 
-class ImageRingList : public QAbstractItemModel
+class ImageRingList : public QAbstractListModel
 {
     Q_OBJECT
     int m_width;
@@ -93,10 +93,10 @@ public:
     void updateMark();
     void clearThumbnails();
 
-    QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const override;
-    QModelIndex parent(const QModelIndex &child) const override;
+    //QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const override;
+    //QModelIndex parent(const QModelIndex &child) const override;
     int rowCount(const QModelIndex &parent = QModelIndex()) const override;
-    int columnCount(const QModelIndex &parent = QModelIndex()) const override;
+    //int columnCount(const QModelIndex &parent = QModelIndex()) const override;
     QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
     QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
 public slots:

src/imagewidget.cpp

@@ -154,7 +154,7 @@ void ImageWidgetGL::setImage(std::shared_ptr<RawImage> image, int index)
         m_image->bind();
         f->glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
         f->glGenerateMipmap(GL_TEXTURE_2D);
-        qDebug() << "setImage" << timer.elapsed();
+        qDebug() << "ImageWidgetGL::setImage" << timer.elapsed() << "ms";
         m_swPaint = f->glGetError() != GL_NO_ERROR;
     }
 
@@ -721,19 +721,19 @@ void ImageWidgetGL::initializeGL()
     logger->startLogging();
     connect(logger, &QOpenGLDebugLogger::messageLogged, [](const QOpenGLDebugMessage &message)
             {
-                qDebug() << message;
+                qDebug() << "OpenGL debug" << message;
             });
 
-    qDebug() << "Vendor:"   << (char*)f->glGetString(GL_VENDOR);
-    qDebug() << "Renderer:" << (char*)f->glGetString(GL_RENDERER);
-    qDebug() << "Version:"  << (char*)f->glGetString(GL_VERSION);
+    qDebug() << "OpenGL Vendor:"   << (char*)f->glGetString(GL_VENDOR);
+    qDebug() << "OpenGL Renderer:" << (char*)f->glGetString(GL_RENDERER);
+    qDebug() << "OpenGL Version:"  << (char*)f->glGetString(GL_VERSION);
     f->glGetIntegerv(GL_MAX_TEXTURE_SIZE, &m_maxTextureSize);
     f->glGetIntegerv(GL_MAX_ARRAY_TEXTURE_LAYERS, &m_maxArrayLayers);
     qDebug() << "Max texture size:" << m_maxTextureSize << "max layers:" << m_maxArrayLayers;
 
     //MANUAL_MIPMAP_GEN = QString((const char*)f->glGetString(GL_VENDOR)).startsWith("ATI Technologies Inc", Qt::CaseInsensitive);
 
-    qDebug() << context()->format();
+    qDebug() << "OpenGL context format" << context()->format();
 
     // each vertex is  x,y 2D position and s,t texture coordinates
     float vertexs[] = {-1.0f, -1.0f, 0.0f, 1.0f,

src/loadimage.cpp

@@ -95,7 +95,7 @@ bool loadFITS(const QString path, ImageInfoData &info, std::shared_ptr<RawImage>
         char err[100];
         fits_get_errstatus(status, err);
         info.info.append({QObject::tr("Error"), QString(err)});
-        qDebug() << "Failed to load FITS file" << err;
+        qWarning() << "Failed to load FITS file" << err;
         return false;
     };
 
@@ -241,18 +241,59 @@ bool loadXISF(const QString &path, ImageInfoData &info, std::shared_ptr<RawImage
         {
             info.fitsHeader.append(fits);
         }
+
+        QVector<FITSRecord> xisfWCS;
         auto imageproperties = xisfImage.imageProperties();
         for(auto prop : imageproperties)
         {
             info.fitsHeader.append(prop);
+            if(prop.id == "PCL:AstrometricSolution:ReferenceCelestialCoordinates" && prop.value.type() == LibXISF::Variant::Type::F64Vector)
+            {
+                auto val = prop.value.value<LibXISF::F64Vector>();
+                if(val.size() >= 2)
+                {
+                    xisfWCS.append({"CRVAL1", val[0], "value from PCL:AstrometricSolution"});
+                    xisfWCS.append({"CRVAL2", val[1], "value from PCL:AstrometricSolution"});
+                }
+            }
+            else if(prop.id == "PCL:AstrometricSolution:ReferenceImageCoordinates" && prop.value.type() == LibXISF::Variant::Type::F64Vector)
+            {
+                auto val = prop.value.value<LibXISF::F64Vector>();
+                if(val.size() >= 2)
+                {
+                    xisfWCS.append({"CRPIX1", val[0], "value from PCL:AstrometricSolution"});
+                    xisfWCS.append({"CRPIX2", val[1], "value from PCL:AstrometricSolution"});
+                }
+            }
+            else if(prop.id == "PCL:AstrometricSolution:LinearTransformationMatrix" && prop.value.type() == LibXISF::Variant::Type::F64Matrix)
+            {
+                auto val = prop.value.value<LibXISF::F64Matrix>();
+                if(val.cols() >= 2 && val.rows() >= 2)
+                {
+                    xisfWCS.append({"CD1_1", val(0, 0), "value from PCL:AstrometricSolution"});
+                    xisfWCS.append({"CD1_2", val(0, 1), "value from PCL:AstrometricSolution"});
+                    xisfWCS.append({"CD2_1", val(1, 0), "value from PCL:AstrometricSolution"});
+                    xisfWCS.append({"CD2_2", val(1, 1), "value from PCL:AstrometricSolution"});
+                }
+            }
+            else if(prop.id == "PCL:AstrometricSolution:ProjectionSystem")
+            {
+                if(prop.value.toString() == "Gnomonic")
+                {
+                    xisfWCS.append({"CTYPE1", "RA---TAN", "value from PCL:AstrometricSolution"});
+                    xisfWCS.append({"CTYPE", "DEC--TAN", "value from PCL:AstrometricSolution"});
+                }
+            }
         }
 
         info.num = xisf.imagesCount();
         info.index = index;
-        info.wcs = std::make_shared<WCSDataT>(xisfImage.width(), xisfImage.height(), info.fitsHeader);
         info.info.append({QObject::tr("Width"), QString::number(xisfImage.width())});
         info.info.append({QObject::tr("Height"), QString::number(xisfImage.height())});
-        if(!info.wcs->valid())info.wcs.reset();
+
+        auto wcs = std::make_shared<WCSDataT>(xisfImage.width(), xisfImage.height(), info.fitsHeader);
+        if(!wcs->valid() && xisfWCS.size())wcs = std::make_shared<WCSDataT>(xisfImage.width(), xisfImage.height(), xisfWCS);
+        if(wcs->valid())info.wcs = wcs;
 
         RawImage::DataType type;
         switch(xisfImage.sampleFormat())
@@ -294,7 +335,7 @@ bool loadXISF(const QString &path, ImageInfoData &info, std::shared_ptr<RawImage
     catch (LibXISF::Error &err)
     {
         info.info.append(QPair<QString, QString>("Error", err.what()));
-        qDebug() << "Failed to load XISF" << err.what();
+        qWarning() << "Failed to load XISF" << err.what();
         return false;
     }
     info.info.append({QObject::tr("Error"), QObject::tr("Unsupported sample format")});
@@ -341,7 +382,7 @@ bool readXISFHeader(const QString &path, ImageInfoData &info)
     }
     catch (LibXISF::Error &err)
     {
-        qDebug() << err.what();
+        qWarning() << "LibXISF error" << err.what();
         return false;
     }
     return true;
@@ -409,21 +450,22 @@ bool loadImage(const QString &path, ImageInfoData &info, std::shared_ptr<RawImag
 {
     bool ret = false;
     QElapsedTimer timer;
+    QFileInfo fileInfo(path);
     timer.start();
     if(path.endsWith(".CR2", Qt::CaseInsensitive) || path.endsWith(".CR3", Qt::CaseInsensitive) || path.endsWith(".NEF", Qt::CaseInsensitive) || path.endsWith(".DNG", Qt::CaseInsensitive))
     {
         ret = loadRAW(path, info, rawImage);
-        qDebug() << "LoadRAW" << timer.elapsed();
+        qDebug() << "LoadRAW" << timer.elapsed() << "ms";
     }
-    else if(path.endsWith(".FIT", Qt::CaseInsensitive) || path.endsWith(".FITS", Qt::CaseInsensitive) || path.endsWith(".FZ", Qt::CaseInsensitive) || path.endsWith(".FTS", Qt::CaseInsensitive))
+    else if(isFITS(fileInfo.suffix()))
     {
         ret = loadFITS(path, info, rawImage, planar, index);
-        qDebug() << "LoadFITS" << timer.elapsed();
+        qDebug() << "LoadFITS" << timer.elapsed() << "ms";
     }
-    else if(path.endsWith(".XISF", Qt::CaseInsensitive))
+    else if(isXISF(fileInfo.suffix()))
     {
         ret = loadXISF(path, info, rawImage, planar, index);
-        qDebug() << "LoadXISF" << timer.elapsed();
+        qDebug() << "LoadXISF" << timer.elapsed() << "ms";
     }
     else
     {
@@ -439,8 +481,18 @@ bool loadImage(const QString &path, ImageInfoData &info, std::shared_ptr<RawImag
             exif_data_free(exif);
         }
         rawImage = std::make_shared<RawImage>(img);
-        qDebug() << "LoadQImage" << timer.elapsed();
+        qDebug() << "LoadQImage" << timer.elapsed() << "ms";
         ret = !img.isNull();
     }
     return ret;
 }
+
+bool isFITS(const QString &suffix)
+{
+    return suffix.compare("fits", Qt::CaseInsensitive) == 0 || suffix.compare("fit", Qt::CaseInsensitive) == 0 || suffix.compare("fts", Qt::CaseInsensitive) == 0 || suffix.compare("fz", Qt::CaseInsensitive) == 0;
+}
+
+bool isXISF(const QString &suffix)
+{
+    return suffix.compare("xisf", Qt::CaseInsensitive) == 0;
+}

src/loadimage.h

@@ -10,5 +10,7 @@ QString makeUNCPath(const QString &path);
 bool readFITSHeader(const QString &path, ImageInfoData &info);
 bool readXISFHeader(const QString &path, ImageInfoData &info);
 bool loadImage(const QString &path, ImageInfoData &info, std::shared_ptr<RawImage> &rawImage, int index, bool planar = false);
+bool isFITS(const QString &suffix);
+bool isXISF(const QString &suffix);
 
 #endif // LOADIMAGE_H

src/loadrunable.cpp

@@ -193,7 +193,11 @@ void ConvertRunable::run()
     QFileInfo info(m_outfile);
     info.dir().mkpath(".");
 
-    if(m_params.autostretch)
+    if(m_params.stretch)
+    {
+        rawimage->applySTF(m_params.mtf);
+    }
+    else if(m_params.autostretch)
     {
         rawimage->calcStats();
         MTFParam mtfParam = rawimage->calcMTFParams();

src/loadrunable.h

@@ -6,6 +6,7 @@
 #include <QSemaphore>
 #include <QSize>
 #include "imageinfodata.h"
+#include "mtfparam.h"
 
 class Image;
 
@@ -33,6 +34,8 @@ public:
         QSize resize;
         Qt::AspectRatioMode aspect = Qt::KeepAspectRatio;
         bool autostretch = false;
+        bool stretch = false;
+        MTFParam mtf;
         ConvertParams(){}
         ConvertParams(const QVariantMap &map);
     };

src/main.cpp

@@ -3,8 +3,12 @@
 #include <QSurfaceFormat>
 #include <QTranslator>
 #include <QCommandLineParser>
+#include <QSettings>
 #include <stdlib.h>
 #include "../thumbnailer/genthumbnail.h"
+#ifdef Q_OS_WIN64
+#include <windows.h>
+#endif
 
 int main(int argc, char *argv[])
 {
@@ -18,12 +22,24 @@ int main(int argc, char *argv[])
     bool useGLES = true;
 #endif
 
+#ifdef Q_OS_WIN64
+    if(AttachConsole(ATTACH_PARENT_PROCESS))
+    {
+        freopen("CONOUT$", "w", stdout);
+        freopen("CONOUT$", "w", stderr);
+    }
+#endif
+
     QCommandLineParser cmd;
     cmd.addOption({"gl", "Use desktop OpenGL. This is default on x86 and MacOS platform."});
     cmd.addOption({"gles", "Use OpenGL ES. This is default on ARM platform."});
     cmd.addOption({{"thumb", "thumbnail"}, "Generate thumbnail and save it to path.", "path"});
     cmd.addOption({{"s", "size"}, "Size of the thumbnails in pixels (default: 128)", "size", "128"});
-    cmd.addPositionalArgument("file", "File to open");
+    cmd.addPositionalArgument("file", "Files or paths to open");
+    cmd.addOption({"script", "Execute script", "script"});
+    cmd.addOption({"scriptarg", "String that will be passed to script as variable \"scriparg\"", "arg"});
+    cmd.addOption({"outdir", "Output dir for script (default: CWD)", "dir", "."});
+    cmd.addOption({"noexit", "Do not exit application when script finish"});
     cmd.addHelpOption();
     QStringList cmdArgs;
     for(int i = 0; i < argc; i++)
@@ -76,15 +92,26 @@ int main(int argc, char *argv[])
 
     QTranslator translator;
     QTranslator translator2;
-    if(translator.load(QLocale(), "tenmon", "_", ":/translations"))
-        a.installTranslator(&translator);
+    QSettings settings;
+    QString lang = settings.value("settings/lang").toString();
+    if(lang.isEmpty())
+    {
+        if(translator.load(QLocale(), "tenmon", "_", ":/translations"))
+            a.installTranslator(&translator);
+    }
+    else
+    {
+        if(translator.load("tenmon_" + lang, ":/translations"))
+            a.installTranslator(&translator);
+    }
+
     if(translator2.load(QLocale(), "tenmon", "_", a.applicationDirPath()))
         a.installTranslator(&translator2);
 
     MainWindow w;
     w.show();
 
-    if(!cmd.positionalArguments().isEmpty())
+    if(!cmd.positionalArguments().isEmpty() && !cmd.isSet("script"))
     {
         QStringList files = cmd.positionalArguments();
         QStringList paths;
@@ -101,5 +128,18 @@ int main(int argc, char *argv[])
             w.loadFiles(paths);
     }
 
+    if(cmd.isSet("script"))
+    {
+        QStringList paths = cmd.positionalArguments();
+        QString script = cmd.value("script");
+        QString outdir = cmd.value("outdir");
+        QString arg = cmd.value("scriptarg");
+        if(!QDir::isAbsolutePath(script))script = QDir::currentPath() + "/" + script;
+        if(!QDir::isAbsolutePath(outdir))outdir = QDir::currentPath() + "/" + outdir;
+        bool noexit = cmd.isSet("noexit");
+        if(!noexit)w.hide();
+        w.runScript(script, outdir, paths, arg, !noexit);
+    }
+
     return a.exec();
 }

src/mainwindow.cpp

@@ -18,10 +18,12 @@
 #include <QThreadPool>
 #include <QStatusBar>
 #include <QImageReader>
+#include <QImageWriter>
 #include <QMimeDatabase>
 #include <QDesktopServices>
 #include <QJsonDocument>
 #include <QNetworkReply>
+#include <QTimer>
 #include "loadrunable.h"
 #include "markedfiles.h"
 #include "about.h"
@@ -29,6 +31,7 @@
 #include "settingsdialog.h"
 #include "histogram.h"
 #include "batchprocessing.h"
+#include "filemanager.h"
 
 #ifdef __linux__
 #include <sys/ioctl.h>
@@ -56,16 +59,23 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent)
     for(auto format : supportedFormats)
     {
         QMimeType mimeType = db.mimeTypeForName(format);
-        _saveFilter.append(mimeType.filterString() + ";;");
         _openFilter.append("*.");
         _openFilter.append(mimeType.suffixes().join(" *."));
         _openFilter.append(" ");
         nameFilter.append(mimeType.suffixes());
     }
+    auto supportedWrite = QImageWriter::supportedMimeTypes();
+    for(auto format : supportedWrite)
+    {
+        QMimeType mimeType = db.mimeTypeForName(format);
+        _saveFilter.append(mimeType.filterString() + ";;");
+    }
+
     _openFilter.append("*.fit *.fits *.fts *.fz *.xisf *.cr2 *.cr3 *.nef *.dng)");
     _openFilter.append(tr(";;All files (*)"));
     nameFilter.append({"fit", "fits", "fts", "fz", "xisf", "cr2", "cr3", "nef", "dng"});
     QImageReader::setAllocationLimit(0);
+    _openSuffix = {nameFilter.constBegin(), nameFilter.constEnd()};
 
     m_info = new ImageInfo(this);
     QDockWidget *infoDock = new QDockWidget(tr("Image info"), this);
@@ -100,11 +110,14 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent)
     connect(m_filesystem, &FilesystemWidget::sortChanged, m_ringList, &ImageRingList::setSort);
     connect(m_filesystem, &FilesystemWidget::reverseSort, m_ringList, &ImageRingList::reverseSort);
 
+    m_filetree = nullptr;
+#if !defined(FLATPAK) || !defined(__aarch64__)//bug with QTreeView and QFileSystemModel on ARM64 under flatpak
     m_filetree = new Filetree(this);
     connect(m_filetree, &Filetree::fileSelected, this, static_cast<void (MainWindow::*)(const QString &)>(&MainWindow::loadFile));
     connect(m_filetree, &Filetree::copyFiles, [this](const QString &path){ copyOrMove(true, path); });
     connect(m_filetree, &Filetree::moveFiles, [this](const QString &path){ copyOrMove(false, path); });
     connect(m_filetree, &Filetree::indexDirectory, this, static_cast<void (MainWindow::*)(const QString &)>(&MainWindow::indexDir));
+#endif
 
     m_databaseView = new DataBaseView(m_database, this);
     connect(m_databaseView, &DataBaseView::loadFile, this, static_cast<void (MainWindow::*)(const QString &)>(&MainWindow::loadFile));
@@ -115,6 +128,8 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent)
     _plateSolving->hide();
 #endif
 
+    _databaseTree = new DatabaseTree(m_database, this);
+
     QToolBar *navigationToolbar = new QToolBar(tr("Navigation toolbar"), this);
     navigationToolbar->setObjectName("navigationtoolbar");
     navigationToolbar->hide();
@@ -141,13 +156,17 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent)
     databaseViewDock->setWidget(m_databaseView);
     databaseViewDock->setObjectName("databaseViewDock");
     databaseViewDock->hide();
+    connect(databaseViewDock, &QDockWidget::visibilityChanged, m_databaseView, &DataBaseView::visible);
     addDockWidget(Qt::BottomDockWidgetArea, databaseViewDock);
 
-    QDockWidget *filetreeDock = new QDockWidget(tr("File tree"), this);
+    QDockWidget *filetreeDock = nullptr;
+#if !defined(FLATPAK) || !defined(__aarch64__)
+    filetreeDock = new QDockWidget(tr("File tree"), this);
     filetreeDock->setWidget(m_filetree);
     filetreeDock->setObjectName("filetreeDock");
     databaseViewDock->hide();
     addDockWidget(Qt::LeftDockWidgetArea, filetreeDock);
+#endif
 
     Histogram *histogram = new Histogram(this);
     QDockWidget *histogramDock = new QDockWidget(tr("Histogram"), this);
@@ -156,6 +175,15 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent)
     histogramDock->hide();
     addDockWidget(Qt::LeftDockWidgetArea, histogramDock);
 
+    DatabaseTreeView *databaseTreeView = new DatabaseTreeView(m_database, this);
+    QDockWidget *databaseTreeDock = new QDockWidget(tr("Database Tree"), this);
+    databaseTreeDock->setObjectName("databasetreeDock");
+    databaseTreeDock->setWidget(databaseTreeView);
+    databaseTreeDock->hide();
+    connect(databaseTreeDock, &QDockWidget::visibilityChanged, databaseTreeView, &DatabaseTreeView::visible);
+    connect(databaseTreeView, &DatabaseTreeView::loadFile, this, static_cast<void (MainWindow::*)(const QString &)>(&MainWindow::loadFile));
+    addDockWidget(Qt::BottomDockWidgetArea, databaseTreeDock);
+
     setWindowTitle(tr("Tenmon"));
 
     connect(m_ringList, &ImageRingList::pixmapLoaded, m_image, &ImageScrollArea::imageLoaded);
@@ -176,9 +204,17 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent)
     fileMenu->addAction(tr("Open directory recursively"), this, &MainWindow::loadDir);
     QAction *saveAs = fileMenu->addAction(tr("Save as"), QKeySequence::Save, this, &MainWindow::saveAs);
     fileMenu->addSeparator();
+#if !defined(FLATPAK) || !defined(__aarch64__)
+    fileMenu->addAction(tr("File manager"), this, &MainWindow::openFileManager);
+#endif
     fileMenu->addAction(tr("Copy marked files"), Qt::Key_F5, this, &MainWindow::copyMarked);
     fileMenu->addAction(tr("Move marked files"), Qt::Key_F6, this, &MainWindow::moveMarked);
-    fileMenu->addAction(tr("Move marked files to trash"), QKeySequence::Delete, this, &MainWindow::deleteMarked);
+    QAction *deleteAction = fileMenu->addAction(tr("Move marked files to trash"), QKeySequence::Delete, this, &MainWindow::deleteMarked);
+#ifdef Q_OS_MACOS
+    deleteAction->setShortcuts(QList<QKeySequence>({Qt::Key_Backspace, QKeySequence::Delete}));
+#else
+    deleteAction->setShortcuts(QKeySequence::Delete);
+#endif
     fileMenu->addSeparator();
     fileMenu->addAction(tr("Index directory"), this, static_cast<void (MainWindow::*)()>(&MainWindow::indexDir));
     fileMenu->addAction(tr("Reindex files"), this, &MainWindow::reindex);
@@ -191,7 +227,7 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent)
     fileMenu->addSeparator();
     QAction *liveModeAction = fileMenu->addAction(tr("Live mode"), this, &MainWindow::liveMode);
     liveModeAction->setCheckable(true);
-    QAction *exitAction = fileMenu->addAction(tr("Exit"), this, &MainWindow::close);
+    QAction *exitAction = fileMenu->addAction(tr("Exit"), QCoreApplication::instance(), &QCoreApplication::quit, Qt::QueuedConnection);
     exitAction->setShortcut(QKeySequence::Quit);
     menuBar()->addMenu(fileMenu);
 
@@ -312,7 +348,8 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent)
     dockMenu->addAction(navigationToolbar->toggleViewAction());
     dockMenu->addAction(filesystemDock->toggleViewAction());
     dockMenu->addAction(databaseViewDock->toggleViewAction());
-    dockMenu->addAction(filetreeDock->toggleViewAction());
+    dockMenu->addAction(databaseTreeDock->toggleViewAction());
+    if(filetreeDock)dockMenu->addAction(filetreeDock->toggleViewAction());
     dockMenu->addAction(histogramDock->toggleViewAction());
 #ifdef PLATESOLVER
     dockMenu->addAction(_plateSolving->toggleViewAction());
@@ -363,7 +400,8 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent)
         infoDock->setFeatures(QDockWidget::DockWidgetClosable | QDockWidget::DockWidgetMovable);
         filesystemDock->setFeatures(QDockWidget::DockWidgetClosable | QDockWidget::DockWidgetMovable);
         databaseViewDock->setFeatures(QDockWidget::DockWidgetClosable | QDockWidget::DockWidgetMovable);
-        filetreeDock->setFeatures(QDockWidget::DockWidgetClosable | QDockWidget::DockWidgetMovable);
+        if(filetreeDock)filetreeDock->setFeatures(QDockWidget::DockWidgetClosable | QDockWidget::DockWidgetMovable);
+        if(_plateSolving)_plateSolving->setFeatures(QDockWidget::DockWidgetClosable | QDockWidget::DockWidgetMovable);
         m_stretchPanel->setFloatable(false);
     }
 }
@@ -601,12 +639,16 @@ void MainWindow::reindex()
 void MainWindow::saveAs()
 {
     QString selectedFilter;
+    ImagePtr ptr = m_ringList->currentImage();
+    if(!ptr)return;
+
+    QFileInfo srcFile(ptr->name());
     QString file = QFileDialog::getSaveFileName(this,
                                  tr("Save as"),
-                                 _lastDir,
+                                 _lastDir + "/" + srcFile.baseName(),
                                  _saveFilter,
                                  &selectedFilter);
-    auto filterToFormat = [](const QString &file, const QString &filter) -> const char*
+    auto filterToFormat = [](const QString &file, const QString &filter) -> const QString
     {
         QString suffix = QFileInfo(file).suffix();
         if(!suffix.compare("jpg", Qt::CaseInsensitive) || !suffix.compare("jpeg", Qt::CaseInsensitive))return "jpeg";
@@ -616,30 +658,31 @@ void MainWindow::saveAs()
         if(filter.contains("png"))return "png";
         if(filter.contains("fits"))return "fits";
         if(filter.contains("xisf"))return "xisf";
+        QRegularExpression suf("\\(\\*\\.([a-zA-Z]+).*\\)");
+        auto match = suf.match(filter);
+        if(match.hasMatch())
+            return match.captured(1);
         return "jpeg";
     };
 
     if(!file.isEmpty())
     {
+        auto button = QMessageBox::question(this, tr("Apply stretch?"), tr("Apply current stretch function to image?"));
+
         QString format = filterToFormat(file, selectedFilter);
 
-        if(format == "fits" || format == "xisf")
-        {
-            convert(file, format);
-        }
-        else
-        {
-            QImage img = m_image->renderToImage();
-            if(!img.isNull())
-                img.save(file, filterToFormat(file, selectedFilter));
-        }
+        convert(file, format, button == QMessageBox::Yes);
     }
 }
 
-void MainWindow::convert(const QString &outfile, const QString &format)
+void MainWindow::convert(const QString &outfile, const QString &format, bool stretch)
 {
     QString file = m_ringList->currentImage()->name();
-    QThreadPool::globalInstance()->start(new ConvertRunable(file, outfile, format));
+    ConvertRunable::ConvertParams param;
+    param.stretch = stretch;
+    param.mtf = m_stretchPanel->params();
+
+    QThreadPool::globalInstance()->start(new ConvertRunable(file, outfile, format, param));
 }
 
 void MainWindow::markImage()
@@ -792,7 +835,7 @@ void MainWindow::checkNewVersion()
                 if(QMessageBox::question(this, tr("Update check"), tr("New version %1 is available. Do you want to download it now?").arg(tag)) == QMessageBox::Yes)
                 {
                     QUrl url(json.object().value("html_url").toString());
-                    qDebug() << url;
+                    qDebug() << "Opening url" << url;
                     if(url.host() == "gitea.nouspiro.space")
                         QDesktopServices::openUrl(url);
                 }
@@ -808,6 +851,29 @@ void MainWindow::checkNewVersion()
     });
 }
 
+void MainWindow::openFileManager()
+{
+#if !defined(FLATPAK) || !defined(__aarch64__)
+    FileManager *filemanager = new FileManager(_openSuffix);
+    connect(filemanager, &FileManager::openFile, this, static_cast<void (MainWindow::*)(const QString&)>(&MainWindow::loadFile));
+    filemanager->show();
+#endif
+}
+
+void MainWindow::runScript(const QString &script, const QString &outdir, const QStringList &paths, const QString &arg, bool exit)
+{
+    BatchProcessing *batchProcessing = new BatchProcessing(m_database, this);
+    batchProcessing->setOutputDir(outdir);
+    batchProcessing->setPaths(paths);
+    if(exit)batchProcessing->hide();
+    QTimer::singleShot(500, [batchProcessing, script, exit, arg](){
+        batchProcessing->runScript(script, arg, exit);
+        batchProcessing->exec();
+        delete batchProcessing;
+        if(exit)QCoreApplication::exit();
+    });
+}
+
 void MainWindow::updateWindowTitle()
 {
     ImagePtr ptr = m_ringList->currentImage();

src/mainwindow.h

@@ -11,6 +11,7 @@
 #include "stretchtoolbar.h"
 #include "databaseview.h"
 #include "platesolving.h"
+#include "databasetree.h"
 
 class MainWindow : public QMainWindow
 {
@@ -23,13 +24,15 @@ class MainWindow : public QMainWindow
     FilesystemWidget *m_filesystem;
     Filetree *m_filetree;
     DataBaseView *m_databaseView;
-    PlateSolving *_plateSolving;
+    PlateSolving *_plateSolving = nullptr;
+    DatabaseTree *_databaseTree = nullptr;
     static int socketPair[2];
     QSocketNotifier *socketNotifier;
     QString _lastDir;
     bool _maximized;
     QString _openFilter;
     QString _saveFilter;
+    QSet<QString> _openSuffix;
 public:
     MainWindow(QWidget *parent = 0);
     ~MainWindow() override;
@@ -51,7 +54,7 @@ public slots:
     void indexDir(const QString &dir);
     void reindex();
     void saveAs();
-    void convert(const QString &outfile, const QString &format);
+    void convert(const QString &outfile, const QString &format, bool stretch);
     void markImage();
     void unmarkImage();
     void markAndNext();
@@ -67,6 +70,8 @@ public slots:
     void showSettingsDialog();
     void exportCSV();
     void checkNewVersion();
+    void openFileManager();
+    void runScript(const QString &script, const QString &outdir, const QStringList &paths, const QString &arg, bool exit);
 };
 
 #endif // MAINWINDOW_H

src/platesolving.h

@@ -1,7 +1,7 @@
 #ifndef PLATESOLVING_H
 #define PLATESOLVING_H
 
-#include "qelapsedtimer.h"
+#include <QElapsedTimer>
 #include <QDockWidget>
 
 class Solver;

src/rawimage.cpp

@@ -403,9 +403,9 @@ uint32_t RawImage::norm() const
     }
 }
 
-uint32_t RawImage::widthBytes() const
+uint64_t RawImage::widthBytes() const
 {
-    return m_ch * m_width * typeSize(m_type);
+    return (uint64_t)m_ch * m_width * typeSize(m_type);
 }
 
 uint32_t RawImage::widthSamples() const
@@ -1195,12 +1195,28 @@ void RawImage::applySTF(const MTFParam &mtfParams)
         for(size_t i = 0; i < len; i++)
         {
             float x;
-            if constexpr(std::numeric_limits<std::remove_reference_t<decltype(*src)>>::is_integer)x = src[i] * iscale;
-            else x = src[i] * unit.first + unit.second;
-            x = (x - mtfParams.blackPoint[0]) / (mtfParams.whitePoint[0] - mtfParams.blackPoint[0]);
-            x = std::clamp(x, 0.0f, 1.0f);
-            x = ((mtfParams.midPoint[0] - 1.0f) * x) / ((2.0f * mtfParams.midPoint[0] - 1.0f) * x - mtfParams.midPoint[0]);
-            src[i] = x * s;
+            if(m_ch == 4)
+            {
+                size_t c = i & 0x3;
+                if(c < 3)
+                {
+                    if constexpr(std::numeric_limits<std::remove_reference_t<decltype(*src)>>::is_integer)x = src[i] * iscale;
+                    else x = src[i] * unit.first + unit.second;
+                    x = (x - mtfParams.blackPoint[c]) / (mtfParams.whitePoint[c] - mtfParams.blackPoint[c]);
+                    x = std::clamp(x, 0.0f, 1.0f);
+                    x = ((mtfParams.midPoint[c] - 1.0f) * x) / ((2.0f * mtfParams.midPoint[c] - 1.0f) * x - mtfParams.midPoint[c]);
+                    src[i] = x * s;
+                }
+            }
+            else
+            {
+                if constexpr(std::numeric_limits<std::remove_reference_t<decltype(*src)>>::is_integer)x = src[i] * iscale;
+                else x = src[i] * unit.first + unit.second;
+                x = (x - mtfParams.blackPoint[0]) / (mtfParams.whitePoint[0] - mtfParams.blackPoint[0]);
+                x = std::clamp(x, 0.0f, 1.0f);
+                x = ((mtfParams.midPoint[0] - 1.0f) * x) / ((2.0f * mtfParams.midPoint[0] - 1.0f) * x - mtfParams.midPoint[0]);
+                src[i] = x * s;
+            }
         }
     };
 

src/rawimage.h

@@ -97,7 +97,7 @@ public:
     uint64_t size() const;
     DataType type() const;
     uint32_t norm() const;
-    uint32_t widthBytes() const;
+    uint64_t widthBytes() const;
     uint32_t widthSamples() const;
     void* data();
     const void* data() const;

src/scriptengine.cpp

@@ -4,6 +4,7 @@
 #include <QDebug>
 #include <QInputDialog>
 #include <QJsonValue>
+#include <QJSValueIterator>
 #include "loadrunable.h"
 #include "rawimage.h"
 #include "loadimage.h"
@@ -37,10 +38,12 @@ ScriptEngine::ScriptEngine(Database *database, BatchProcessing *parent)
 #endif // PLATESOLVER
 }
 
-void ScriptEngine::setParams(const QString &scriptPath, const QList<QPair<QString, QString>> &paths, const QString &outputDir)
+void ScriptEngine::setParams(const QString &scriptPath, const QList<QPair<QString, QString>> &paths, const QString &outputDir, const QString &arg)
 {
     _scriptPath = scriptPath;
-    _paths = paths;
+    if(!arg.isNull())
+        _jsEngine->globalObject().setProperty("scriptarg", arg);
+    setPaths(paths);
     _outputDir = outputDir + "/";
 }
 
@@ -417,14 +420,73 @@ QJSValue ScriptEngine::newArray(uint size)
     return _jsEngine->newArray(size);
 }
 
-void ScriptEngine::run()
+QJSValue ScriptEngine::eval(const QString &program)
 {
-    QJSValue jsPaths = _jsEngine->newArray(_paths.size());
-    for(qsizetype i=0; i<_paths.size(); i++)
-        jsPaths.setProperty(i, _jsEngine->newQObject(new File(_paths[i].first, _paths[i].second, this)));
+    QStringList stackTrace;
+    QJSValue result = _jsEngine->evaluate(program, QString(), 1, &stackTrace);
+
+    if(result.isError())
+    {
+        QString error = result.property("name").toString() + " on line " + result.property("lineNumber").toString() + " : " + result.toString();
+        error += "\n" + result.property("stack").toString();
+        emit newMessage(error, true);
+    }
+    else if(!result.isUndefined())
+    {
+        emit newMessage(result.toString(), false);
+    }
+
+    return result;
+}
+
+QStringList ScriptEngine::complete(const QString &line)
+{
+    QStringList complete;
+
+    QJSValue globObj = _jsEngine->globalObject();
+
+    QRegularExpression reg("[a-zA-Z_][a-zA-Z0-9_]*");
+    auto match = reg.match(line);
+    if(match.hasMatch())
+    {
+        QString var = match.captured();
+        if(globObj.hasProperty(var))
+        {
+            complete.clear();
+            QJSValueIterator it(globObj.property(var));
+            while(it.hasNext())
+            {
+                it.next();
+                if(it.name() != "constructor" && it.name() != "objectNameChanged")
+                    complete.append(var + "." + it.name());
+            }
+        }
+    }
+    else
+    {
+        QJSValueIterator it(globObj);
+        while(it.hasNext())
+        {
+            it.next();
+            complete.append(it.name());
+        }
+    }
+
+    return complete;
+}
+
+void ScriptEngine::setPaths(const QList<QPair<QString, QString> > &paths)
+{
+    _paths = paths;
+    QJSValue jsPaths = _jsEngine->newArray(paths.size());
+    for(qsizetype i=0; i<paths.size(); i++)
+        jsPaths.setProperty(i, _jsEngine->newQObject(new File(paths[i].first, paths[i].second, this)));
 
     _jsEngine->globalObject().setProperty("files", jsPaths);
+}
 
+void ScriptEngine::run()
+{
     QFile scriptFile(_scriptPath);
     if(!scriptFile.open(QIODevice::ReadOnly))
     {
@@ -455,11 +517,11 @@ void File::loadFitsKeywords()
     {
         _fitsKeywordsLoaded = true;
         ImageInfoData info;
-        if(suffix().toLower() == "xisf")
+        if(isXISF(suffix()))
         {
             readXISFHeader(_path, info);
         }
-        else if(suffix().toLower() == "fits" || suffix().toLower() == "fit" || suffix().toLower() == "fz")
+        else if(isFITS(suffix()))
         {
             readFITSHeader(_path, info);
         }
@@ -608,7 +670,7 @@ bool File::modifyFITSRecords(const FITSRecordModify *modify)
     _fitsKeywordsLoaded = false;
     _fitsKeywords.clear();
 
-    if(QRegularExpression("(fits?|fz|fts)", QRegularExpression::CaseInsensitiveOption).match(suffix()).hasMatch())
+    if(isFITS(suffix()))
     {
         fitsfile *file;
         int status = 0;
@@ -625,16 +687,22 @@ bool File::modifyFITSRecords(const FITSRecordModify *modify)
         int naxis;
         long naxes[3] = {0};
         int type = -1;
+        std::vector<int> imageIdxs;
         for(int i=1; i <= num; i++)
         {
             fits_movabs_hdu(file, i, IMAGE_HDU, &status);
             fits_get_hdu_type(file, &type, &status);
-            fits_get_img_param(file, 3, &imgtype, &naxis, naxes, &status);
-            if(type == IMAGE_HDU && naxis >= 2 && naxis <= 3 && status == 0)
-                break;
-            if(i == num)return false;
+            if(type == IMAGE_HDU)
+            {
+                fits_get_img_param(file, 3, &imgtype, &naxis, naxes, &status);
+                if(naxis >= 2 && naxis <= 3)imageIdxs.push_back(i);
+            }
         }
 
+        if(modify->_imageIdx >= imageIdxs.size())return false;
+        fits_movabs_hdu(file, imageIdxs[modify->_imageIdx], &type, &status);
+        fits_get_img_param(file, 3, &imgtype, &naxis, naxes, &status);
+
         for(auto &remove : modify->_remove)
         {
             int status = 0;//we ignore errors from here
@@ -731,7 +799,7 @@ bool File::modifyFITSRecords(const FITSRecordModify *modify)
 
         return status == 0;
     }
-    else if(suffix().toLower() == "xisf")
+    else if(isXISF(suffix()))
     {
         try
         {
@@ -742,13 +810,16 @@ bool File::modifyFITSRecords(const FITSRecordModify *modify)
             qDebug() << "modify" << in << out;
 
             for(auto &remove : modify->_remove)
-                modifyXISF.removeFITSKeyword(0, remove.toStdString());
+                modifyXISF.removeFITSKeyword(modify->_imageIdx, remove.toStdString());
 
             for(auto &record : modify->_update)
-                modifyXISF.updateFITSKeyword(0, {record.key.toStdString(), record.value.toString().toStdString(), record.comment.toStdString()}, true);
+                modifyXISF.updateFITSKeyword(modify->_imageIdx, {record.key.toStdString(), record.value.toString().toStdString(), record.comment.toStdString()}, true);
 
             for(auto &record : modify->_add)
-                modifyXISF.addFITSKeyword(0, {record.key.toStdString(), record.value.toString().toStdString(), record.comment.toStdString()});
+                modifyXISF.addFITSKeyword(modify->_imageIdx, {record.key.toStdString(), record.value.toString().toStdString(), record.comment.toStdString()});
+
+            for(auto &property : modify->_property)
+                modifyXISF.updateProperty(modify->_imageIdx, property);
 
             modifyXISF.save(out.toLocal8Bit().toStdString());
             modifyXISF.close();
@@ -757,6 +828,7 @@ bool File::modifyFITSRecords(const FITSRecordModify *modify)
         }
         catch(std::filesystem::filesystem_error &err)
         {
+            if(_engine)_engine->newMessage("Failed to modify file " + _path + " " + err.what(), true);
             return false;
         }
         catch(LibXISF::Error &err)
@@ -895,9 +967,9 @@ ScriptEngineThread::~ScriptEngineThread()
     if(_engine)_engine->interrupt();
 }
 
-void ScriptEngineThread::setParams(const QString &scriptPath, const QList<QPair<QString, QString>> &paths, const QString &outputDir)
+void ScriptEngineThread::setParams(const QString &scriptPath, const QList<QPair<QString, QString>> &paths, const QString &outputDir, const QString &arg)
 {
-    _engine->setParams(scriptPath, paths, outputDir);
+    _engine->setParams(scriptPath, paths, outputDir, arg);
 }
 
 void ScriptEngineThread::start()
@@ -926,6 +998,21 @@ void FITSRecordModify::addKeyword(const QString &key, const QVariant &value, con
     _update.append({key.toLatin1(), value, comment.toLatin1()});
 }
 
+void FITSRecordModify::updateProperty(const QString &id, const LibXISF::Variant &value)
+{
+    _property.append(LibXISF::Property(id.toStdString(), value));
+}
+
+uint32_t FITSRecordModify::imageIndex() const
+{
+    return _imageIdx;
+}
+
+void FITSRecordModify::setImageIndex(uint32_t idx)
+{
+    _imageIdx = idx;
+}
+
 bool TextFile::open(const QString &path, const QString &mode)
 {
     _fr.setFileName(path);

src/scriptengine.h

@@ -9,6 +9,7 @@
 #include <QSemaphore>
 #include "database.h"
 #include "imageinfodata.h"
+#include "libxisf.h"
 
 class BatchProcessing;
 class Solver;
@@ -32,7 +33,7 @@ class ScriptEngine : public QObject
     Solver *_solver = nullptr;
 public:
     explicit ScriptEngine(Database *database, BatchProcessing *parent = nullptr);
-    void setParams(const QString &scriptPath, const QList<QPair<QString, QString>> &paths, const QString &outputDir);
+    void setParams(const QString &scriptPath, const QList<QPair<QString, QString>> &paths, const QString &outputDir, const QString &arg);
     void reportError(const QString &message);
     const QString& outputDir() const;
     void interrupt();
@@ -63,6 +64,9 @@ public:
 #endif // PLATESOLVER
     QJSValue newObject();
     QJSValue newArray(uint size);
+    QJSValue eval(const QString &program);
+    QStringList complete(const QString &line);
+    void setPaths(const QList<QPair<QString, QString>> &paths);
 public slots:
     void run();
 signals:
@@ -78,7 +82,7 @@ class ScriptEngineThread : public QObject
 public:
     ScriptEngineThread(Database *database, BatchProcessing *parent = nullptr);
     ~ScriptEngineThread();
-    void setParams(const QString &scriptPath, const QList<QPair<QString, QString>> &paths, const QString &outputDir);
+    void setParams(const QString &scriptPath, const QList<QPair<QString, QString>> &paths, const QString &outputDir, const QString &arg);
     void start();
     void interrupt();
 signals:
@@ -140,6 +144,8 @@ class FITSRecordModify : public QObject
     QStringList _remove;
     QVector<FITSRecord> _update;
     QVector<FITSRecord> _add;
+    QVector<LibXISF::Property> _property;
+    uint32_t _imageIdx = 0;
 
     friend class File;
 public:
@@ -147,6 +153,10 @@ public:
     Q_INVOKABLE void removeKeyword(const QString &key);
     Q_INVOKABLE void updateKeyword(const QString &key, const QVariant &value, const QString &comment = QString());
     Q_INVOKABLE void addKeyword(const QString &key, const QVariant &value, const QString &comment = QString());
+    Q_PROPERTY(uint32_t imageIndex READ imageIndex WRITE setImageIndex);
+    void updateProperty(const QString &id, const LibXISF::Variant &value);
+    uint32_t imageIndex() const;
+    void setImageIndex(uint32_t idx);
 };
 
 class TextFile : public QObject

src/settingsdialog.cpp

@@ -129,11 +129,30 @@ SettingsDialog::SettingsDialog(QWidget *parent) : QDialog(parent)
             delete item;
     });
 
+    m_lang = new QComboBox(this);
+    m_lang->addItems({"English", "Français", "Slovenčina", "Português"});
+    QString lang;
+    switch(QLocale().language())
+    {
+    default:
+    case QLocale::English: lang = "en"; break;
+    case QLocale::French: lang = "fr"; break;
+    case QLocale::Slovak: lang = "sk"; break;
+    case QLocale::Portuguese: lang = "pt_BR"; break;
+    }
+
+    lang = settings.value("settings/lang", lang).toString();
+    if(lang == "en")m_lang->setCurrentIndex(0);
+    else if(lang == "fr")m_lang->setCurrentIndex(1);
+    else if(lang == "sk")m_lang->setCurrentIndex(2);
+    else if(lang == "pt_BR")m_lang->setCurrentIndex(3);
+
     layout->addRow(tr("Image preload count"), m_preloadImages);
     layout->addRow(tr("Thumbnails size"), m_thumSize);
     layout->addRow(tr("Saturation"), m_saturation);
     layout->addRow(tr("Slideshow interval"), m_slideShowTime);
     layout->addRow(tr("Image interpolation"), m_filtering);
+    layout->addRow(tr("Language"), m_lang);
     layout->addRow(m_qualityThumbnail);
     layout->addRow(m_useNativeDialog);
     layout->addRow(m_bestFit);
@@ -150,7 +169,6 @@ SettingsDialog::SettingsDialog(QWidget *parent) : QDialog(parent)
 #endif
     //layout->addRow(new QLabel(tr("Changes in settings will take effect after program restart.")));
 
-
     QDialogButtonBox *buttonBox = new QDialogButtonBox(this);
     buttonBox->setStandardButtons(QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
     connect(buttonBox, &QDialogButtonBox::accepted, this, &QDialog::accept);
@@ -237,4 +255,14 @@ void SettingsDialog::saveSettings()
     }
     settings.setValue("settings/headerhighlightkeywords", headerHighlight.keys());
     settings.setValue("settings/headerhighlightcolors", colors);
+    QString lang;
+    int langIdx = m_lang->currentIndex();
+    switch(langIdx)
+    {
+    case 0: lang = "en"; break;
+    case 1: lang = "fr"; break;
+    case 2: lang = "sk"; break;
+    case 3: lang = "pt_BR"; break;
+    }
+    settings.setValue("settings/lang", lang);
 }

src/settingsdialog.h

@@ -32,6 +32,7 @@ private:
     QListWidget *m_headerHighlight;
     QColor m_color = Qt::yellow;
     QLineEdit *m_keyword;
+    QComboBox *m_lang;
 };
 
 #endif // SETTINGSDIALOG_H

src/solver.cpp

@@ -186,6 +186,19 @@ bool Solver::updateHeader(QString &error)
     modify.updateKeyword("CTYPE2", "DEC--TAN", QByteArray("first parameter DEC, projection TANgential"));
     modify.updateKeyword("RADESYS", "ICRS", QByteArray("International Celestial Reference System"));
     modify.updateKeyword("EQUINOX", 2000, QByteArray("Equinox of coordinates"));
+
+    LibXISF::F64Matrix matrix(2, 2);
+    matrix(0, 0) = std::cos(rotationRad) * cdeltx;
+    matrix(0, 1) =-std::sin(rotationRad) * cdelty;
+    matrix(1, 0) = std::sin(rotationRad) * cdeltx;
+    matrix(1, 1) = std::cos(rotationRad) * cdelty;
+
+    modify.updateProperty("PCL:AstrometricSolution:ReferenceCelestialCoordinates", LibXISF::F64Vector({solution.ra, solution.dec}));
+    modify.updateProperty("PCL:AstrometricSolution:ReferenceImageCoordinates", LibXISF::F64Vector({_stats.width / 2.0, _stats.height / 2.0}));
+    modify.updateProperty("PCL:AstrometricSolution:LinearTransformationMatrix", LibXISF::F64Matrix(matrix));
+    modify.updateProperty("PCL:AstrometricSolution:ProjectionSystem", LibXISF::String("Gnomonic"));
+    modify.updateProperty("PCL:AstrometricSolution:ReferenceNativeCoordinates", LibXISF::F64Vector({0, 90}));
+
     bool ret = file.modifyFITSRecords(&modify);
     if(!ret)error = tr("Failed to update file header");
     else emit headerUpdated(_path);

src/stretchtoolbar.cpp

@@ -104,6 +104,11 @@ StretchToolbar::~StretchToolbar()
     settings.setValue("stretchtoolbar/autostretch", m_autoStretchOnLoad->isChecked());
 }
 
+const MTFParam &StretchToolbar::params() const
+{
+    return m_mtfParam;
+}
+
 void StretchToolbar::stretchImage(Image *img)
 {
     if(img && img->rawImage())

src/stretchtoolbar.h

@@ -22,6 +22,7 @@ class StretchToolbar : public QToolBar
 public:
     explicit StretchToolbar(QWidget *parent = nullptr);
     ~StretchToolbar();
+    const MTFParam& params() const;
 public slots:
     void stretchImage(Image *img);
     void resetMTF();