Add move to trash action

mainwindow.cpp

@@ -131,6 +131,7 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent)
     fileMenu->addSeparator();
     fileMenu->addAction(tr("Copy marked files"), this, SLOT(copyMarked()), Qt::Key_F5);
     fileMenu->addAction(tr("Move marked files"), this, SLOT(moveMarked()), Qt::Key_F6);
+    fileMenu->addAction(tr("Move marked files to trash"), this, &MainWindow::deleteMarked, QKeySequence::Delete);
     fileMenu->addSeparator();
     fileMenu->addAction(tr("Index directory"), this, SLOT(indexDir()));
     fileMenu->addAction(tr("Reindex files"), this, SLOT(reindex()));
@@ -552,6 +553,34 @@ void MainWindow::moveMarked()
     copyOrMove(false);
 }
 
+void MainWindow::deleteMarked()
+{
+    QStringList files = m_database->getMarkedFiles();
+    if(QMessageBox::question(this, tr("Move files to trash?"), tr("Do you want to move %1 files to trash?").arg(files.size())) != QMessageBox::Yes)
+        return;
+
+    QProgressDialog progress(tr("Moving marked files to trash"), tr("Cancel"), 0, files.size(), this);
+    progress.setWindowModality(Qt::WindowModal);
+    progress.show();
+    int i = 0;
+    for(const QString &file : files)
+    {
+        if(!QFile::exists(file))
+            continue;
+
+        if(progress.wasCanceled())
+            return;
+
+        if(!QFile::moveToTrash(file))
+        {
+            QMessageBox::warning(this, tr("Failed to move file to trash"), tr("Failed to move file to trash %1").arg(file));
+            return;
+        }
+        progress.setValue(i++);
+    }
+    m_database->clearMarkedFiles();
+}
+
 void MainWindow::toggleFullScreen()
 {
     if(isFullScreen())

mainwindow.h

@@ -59,6 +59,7 @@ protected slots:
     void unmarkAndNext();
     void copyMarked();
     void moveMarked();
+    void deleteMarked();
     void toggleFullScreen();
     void liveMode(bool active);
     void imageStats(bool imageStats);