Implement workaround for flatpak QFile::moveToTrash

CMakeLists.txt

@@ -25,6 +25,7 @@ set(TENMON_SRC
     about.cpp
     database.cpp
     databaseview.cpp
+    delete.cpp
     filesystemwidget.cpp
     imageinfo.cpp
     imageringlist.cpp
@@ -63,6 +64,8 @@ elseif(APPLE)
 else()
     add_compile_definitions("__PCL_LINUX")
     set(tenmon_ICON "")
+    find_package(PkgConfig REQUIRED)
+    pkg_search_module(GIO REQUIRED gio-2.0)
 endif()
 
 add_executable(tenmon WIN32 MACOSX_BUNDLE ${tenmon_ICON} ${TENMON_SRC})
@@ -76,13 +79,14 @@ elseif(APPLE)
     target_link_directories(tenmon PRIVATE 3rdparty/lib/MacOS)
 else()
     target_link_directories(tenmon PRIVATE 3rdparty/lib/Linux)
+    target_include_directories(tenmon PRIVATE ${GIO_INCLUDE_DIRS})
 endif()
 
 target_link_libraries(tenmon Qt5::Widgets Qt5::Sql ${OpenCV_LIBS} ${GSL_LIB} ${GSLCBLAS_LIB} ${EXIF_LIB} ${FITS_LIB} ${RAW_LIB} ${WCS_LIB})
 if(APPLE)
     target_link_libraries(tenmon PCL-pxi lcms-pxi lz4-pxi RFC6234-pxi zlib-pxi "-framework CoreFoundation")
 else()
-    target_link_libraries(tenmon PCL lcms lz4  RFC6234 zlib)
+    target_link_libraries(tenmon PCL lcms lz4  RFC6234 zlib ${GIO_LDFLAGS})
 endif(APPLE)
 
 if(LIBRAW_STATIC)

delete.cpp

@@ -0,0 +1,30 @@
+#ifdef __linux__
+
+#define QT_NO_KEYWORDS
+#include <QString>
+#include <iostream>
+#include <gio/gio.h>
+
+//flatpak bug prevent to use QFile::moveToTrash
+bool moveToTrash(const QString &path)
+{
+    GFile *gfile = g_file_new_for_path(path.toLocal8Bit().data());
+    GError *error = nullptr;
+    g_file_trash(gfile, nullptr, &error);
+    if(error)std::cerr << "failed to trash file " << error->code << " " << error->message << std::endl;
+    g_clear_error(&error);
+    g_object_unref(gfile);
+    return true;
+}
+
+#else
+
+#include <QFile>
+#include <QString>
+
+bool moveToTrash(const QString &path)
+{
+    return QFile::moveToTrash(path);
+}
+
+#endif

mainwindow.cpp

@@ -30,6 +30,8 @@
 #include <sys/socket.h>
 #endif
 
+bool moveToTrash(const QString &path);
+
 int MainWindow::socketPair[2] = {0, 0};
 
 MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent)
@@ -332,7 +334,7 @@ void MainWindow::copyOrMove(bool copy, const QString &dest)
         QProgressDialog progress(copy ? tr("Copying") : tr("Moving"), tr("Cancel"), 0, files.size(), this);
         progress.setWindowModality(Qt::WindowModal);
         progress.show();
-        foreach(const QString &file, files)
+        for(const QString &file : files)
         {
             bool result = false;
             QFileInfo info(file);
@@ -571,7 +573,7 @@ void MainWindow::deleteMarked()
         if(progress.wasCanceled())
             return;
 
-        if(!QFile::moveToTrash(file))
+        if(!moveToTrash(file))
         {
             QMessageBox::warning(this, tr("Failed to move file to trash"), tr("Failed to move file to trash %1").arg(file));
             return;