preview dialog does not guard the view of image

src/common.h

@@ -5,7 +5,7 @@
 #include "exif.h"
 
 #define PROG_NAME       "PhotoQuick"
-#define PROG_VERSION    "4.16.1"
+#define PROG_VERSION    "4.16.2"
 #define COPYRIGHT_YEAR  "2017-2023"
 #define AUTHOR_NAME     "Arindam Chaudhuri"
 #define AUTHOR_EMAIL    "[email protected]"

src/dialogs.cpp

@@ -169,6 +169,18 @@ PreviewDialog:: PreviewDialog(QLabel *canvas, QImage img, float scale) : QDialog
     timer->setSingleShot(true);
     timer->setInterval(800);
     connect(timer, SIGNAL(timeout()), this, SLOT(preview()));
+    QTimer::singleShot(30, this, SLOT(repositionWindow()));
+}
+
+void
+PreviewDialog:: repositionWindow()
+{
+    // move to bottom edge of Canvas, so that preview dialog does not guard the canvas
+    QPoint canvas_pos = canvas->mapToGlobal(QPoint(0,0));
+    int canvas_bottom = canvas_pos.y() + canvas->height();
+    QPoint pos = this->mapToGlobal(QPoint(0,0));
+    int bottom = pos.y() + height();
+    this->move(pos.x(), this->y()+ canvas_bottom - bottom);
 }
 
 void

src/dialogs.h

@@ -66,6 +66,7 @@ class PreviewDialog : public QDialog
 public slots:
     void triggerPreview();
     void preview();
+    void repositionWindow();
 };