misc: lower minimum window size limit

graphicsview.cpp

@@ -142,12 +142,16 @@ void GraphicsView::fitInView(const QRectF &rect, Qt::AspectRatioMode aspectRadio
     applyTransformationModeByScaleFactor();
 }
 
-void GraphicsView::checkAndDoFitInView()
+void GraphicsView::checkAndDoFitInView(bool markItOnAnyway)
 {
     if (!isThingSmallerThanWindowWith(transform())) {
         m_enableFitInView = true;
         fitInView(sceneRect(), Qt::KeepAspectRatio);
     }
+
+    if (markItOnAnyway) {
+        m_enableFitInView = true;
+    }
 }
 
 void GraphicsView::toggleCheckerboard()

graphicsview.h

@@ -30,7 +30,7 @@ public:
     void rotateView(qreal rotateAngel);
     void fitInView(const QRectF &rect, Qt::AspectRatioMode aspectRadioMode = Qt::IgnoreAspectRatio);
 
-    void checkAndDoFitInView();
+    void checkAndDoFitInView(bool markItOnAnyway = true);
 
 signals:
     void navigatorViewRequired(bool required, qreal angle);

mainwindow.cpp

@@ -29,7 +29,7 @@ MainWindow::MainWindow(QWidget *parent) :
 {
     this->setWindowFlags(Qt::Window | Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint);
     this->setAttribute(Qt::WA_TranslucentBackground, true);
-    this->setMinimumSize(710, 530);
+    this->setMinimumSize(350, 350);
     this->setWindowIcon(QIcon(":/icons/app-icon.svg"));
     this->setMouseTracking(true);
 
@@ -187,11 +187,11 @@ void MainWindow::adjustWindowSizeBySceneRect()
         QSize screenSize = qApp->screenAt(QCursor::pos())->availableSize();
         if (screenSize.expandedTo(sceneSize) == screenSize) {
             // we can show the picture by increase the window size.
-            if (screenSize.expandedTo(sceneSizeWithMargins) == screenSize) {
+            QSize finalSize = (screenSize.expandedTo(sceneSizeWithMargins) == screenSize) ?
-                this->resize(sceneSizeWithMargins);
+                              sceneSizeWithMargins : screenSize;
-            } else {
+            // We have a very reasonable sizeHint() value ;P
-                this->resize(screenSize);
+            this->resize(finalSize.expandedTo(this->sizeHint()));
-            }
+
             // We're sure the window can display the whole thing with 1:1 scale.
             // The old window size may cause fitInView call from resize() and the
             // above resize() call won't reset the scale back to 1:1, so we
@@ -559,6 +559,11 @@ bool MainWindow::nativeEvent(const QByteArray &eventType, void *message, long *r
 #endif // _WIN32
 }
 
+QSize MainWindow::sizeHint() const
+{
+    return QSize(710, 530);
+}
+
 void MainWindow::centerWindow()
 {
     this->setGeometry(

mainwindow.h

@@ -50,6 +50,8 @@ protected slots:
 
     bool nativeEvent(const QByteArray& eventType, void* message, long* result) override;
 
+    QSize sizeHint() const override;
+
     void centerWindow();
     void closeWindow();
     void updateWidgetsPosition();