Add option to show hidden files

README

@@ -2,10 +2,23 @@ FITS/XISF image viewer with multithreaded image loading
 
 To get all dependencies install these packages
 
-    sudo apt install qtbase5-dev libraw-dev libexif-dev libcfitsio-dev libgsl-dev cmake
+    sudo apt install qtbase5-dev libraw-dev libexif-dev libcfitsio-dev libgsl-dev wcslib-dev libopencv-dev cmake
+
+on OpenSUSE
+
+    sudo zypper install opencv-devel gsl-devel exif-devel libraw-devel wcslib-devel libqt5-qtbase-devel
+
+MacOS X
+
+To compile on MacOS install XCode first. Then install homebrew in x86_64 mode
+with "arch -i x86_64". Building on native ARM is not supported.
+
+    homebrew install qt5 libraw cfitsio libexif libgsl wcslib opencv
+
+You may need to set CMAKE_PREFIX_PATH for Qt5 and OpenCV so CMake can find them.
 
 Then to build run standard cmake
 
     cmake -B build -S .
-    make
-    ./tenmon
+    cmake --build build
+    ./build/tenmon

filesystemwidget.cpp

@@ -20,12 +20,6 @@ FilesystemWidget::FilesystemWidget(QAbstractItemModel *model, QWidget *parent) :
     connect(m_listView->selectionModel(), &QItemSelectionModel::currentChanged, this, &FilesystemWidget::fileClicked);
 }
 
-void FilesystemWidget::setDir(const QString &dir)
-{
-    //m_model->setRootPath(dir);
-    //m_treeView->setRootIndex(m_model->index(m_model->rootPath()));
-}
-
 void FilesystemWidget::selectFile(int row)
 {
     QModelIndex index = m_model->index(row, 0);
@@ -47,6 +41,9 @@ Filetree::Filetree(QWidget *parent) : QTreeView(parent)
     m_fileSystemModel->setRootPath(m_rootDir);
     m_fileSystemModel->setNameFilters({"*.fits", "*.fit", "*.xisf", "*.jpg", "*.jpeg", "*.png", "*.cr2", "*.nef", "*.dng"});
     m_fileSystemModel->setNameFilterDisables(false);
+    if(settings.value("filetree/showHidden", false).toBool())
+        m_fileSystemModel->setFilter(m_fileSystemModel->filter() | QDir::Hidden);
+
     setModel(m_fileSystemModel);
     setRootIndex(m_fileSystemModel->index(m_rootDir));
     header()->restoreState(settings.value("filetree/header").toByteArray());
@@ -57,6 +54,7 @@ Filetree::~Filetree()
     QSettings settings;
     settings.setValue("filetree/rootDir", m_rootDir);
     settings.setValue("filetree/header", header()->saveState());
+    settings.setValue("filetree/showHidden", (bool)(m_fileSystemModel->filter() & QDir::Hidden));
 }
 
 void Filetree::contextMenuEvent(QContextMenuEvent *event)
@@ -85,6 +83,9 @@ void Filetree::contextMenuEvent(QContextMenuEvent *event)
 
     QAction *resetRoot = menu.addAction(tr("Reset root"));
     QAction *goUp = menu.addAction(tr("Go up"));
+    QAction *showHidden = menu.addAction(tr("Show hidden files"));
+    showHidden->setCheckable(true);
+    showHidden->setChecked(m_fileSystemModel->filter() & QDir::Hidden);
 
     QAction *a = menu.exec(event->globalPos());
     if(a == nullptr)
@@ -121,6 +122,12 @@ void Filetree::contextMenuEvent(QContextMenuEvent *event)
     {
         emit indexDirectory(m_fileSystemModel->filePath(index));
     }
+    else if(a == showHidden)
+    {
+        auto filter = m_fileSystemModel->filter();
+        filter ^= QDir::Hidden;
+        m_fileSystemModel->setFilter(filter);
+    }
 }
 
 void Filetree::mouseDoubleClickEvent(QMouseEvent *event)

filesystemwidget.h

@@ -13,7 +13,6 @@ class FilesystemWidget : public QWidget
     QAbstractItemModel *m_model;
 public:
     explicit FilesystemWidget(QAbstractItemModel *model, QWidget *parent = nullptr);
-    void setDir(const QString &dir);
 private slots:
     void selectFile(int row);
     void fileClicked(const QModelIndex &index, const QModelIndex &);

mainwindow.cpp

@@ -13,7 +13,7 @@
 #include <signal.h>
 #include <unistd.h>
 #include <QSettings>
-#include <QCoreApplication>
+#include <QGuiApplication>
 #include <QThreadPool>
 #include <QStatusBar>
 #include "loadrunable.h"
@@ -190,7 +190,6 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent)
         _lastDir = standardLocations.first();
 
     _lastDir = settings.value("mainwindow/lastdir", _lastDir).toString();
-    m_filesystem->setDir(_lastDir);
 
     QStringList args = QCoreApplication::arguments();
     args.removeFirst();
@@ -208,6 +207,16 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent)
     }
 
     m_imageGL->setFocus();
+
+    // workaround for nasty wayland backend bug https://bugreports.qt.io/browse/QTBUG-87332
+    if(static_cast<QGuiApplication*>(QCoreApplication::instance())->platformName() == "wayland")
+    {
+        infoDock->setFeatures(QDockWidget::DockWidgetClosable | QDockWidget::DockWidgetMovable);
+        filesystemDock->setFeatures(QDockWidget::DockWidgetClosable | QDockWidget::DockWidgetMovable);
+        databaseViewDock->setFeatures(QDockWidget::DockWidgetClosable | QDockWidget::DockWidgetMovable);
+        filetreeDock->setFeatures(QDockWidget::DockWidgetClosable | QDockWidget::DockWidgetMovable);
+        m_stretchPanel->setFloatable(false);
+    }
 }
 
 MainWindow::~MainWindow()
@@ -367,7 +376,6 @@ void MainWindow::loadFile(const QString &path)
             _lastDir = info.canonicalPath();
         QSettings settings;
         settings.setValue("mainwindow/lastdir", _lastDir);
-        m_filesystem->setDir(_lastDir);
     }
 }
 

rawimage.cpp

@@ -67,6 +67,7 @@ RawImage::RawImage(cv::Mat &img)
 {
     m_img = img;
     m_stats = false;
+    scaleToUnit();
 }
 
 RawImage::RawImage(const RawImage &d)
@@ -378,3 +379,18 @@ bool RawImage::pixel(int x, int y, QVector3D &rgb) const
     }
     return true;
 }
+
+void RawImage::scaleToUnit()
+{
+    if(CV_MAT_DEPTH(m_img.type()) == CV_32F)
+    {
+        double min, max;
+        cv::minMaxIdx(m_img, &min, &max);
+        if(min < 0 || max > 1)
+        {
+            float scale = 1.0 / (max - min);
+            float zero = min * scale;
+            m_img = m_img * scale - zero;
+        }
+    }
+}

rawimage.h

@@ -84,6 +84,7 @@ public:
     float thumbAspect() const;
     const cv::Mat& mat() const;
     bool pixel(int x, int y, QVector3D &rgb) const;
+    void scaleToUnit();
 };
 
 #endif // RAWIMAGE_H

translations/tenmon_en.ts

@@ -71,6 +71,10 @@
         <source>Go up</source>
         <translation>Go up</translation>
     </message>
+    <message>
+        <source>Show hidden files</source>
+        <translation>Show hidden files</translation>
+    </message>
 </context>
 <context>
     <name>HelpDialog</name>

translations/tenmon_fr.ts

@@ -71,6 +71,10 @@
         <source>Go up</source>
         <translation>Monter</translation>
     </message>
+    <message>
+        <source>Show hidden files</source>
+        <translation>Afficher les fichiers cachés</translation>
+    </message>
 </context>
 <context>
     <name>HelpDialog</name>

translations/tenmon_sk.ts

@@ -72,6 +72,10 @@
         <source>Go up</source>
         <translation>O úroveň vyššie</translation>
     </message>
+    <message>
+        <source>Show hidden files</source>
+        <translation>Zobraz skryté súbory</translation>
+    </message>
 </context>
 <context>
     <name>HelpDialog</name>