first commit

project/fm_viewer/ui/fm_drag_zoom_widget.h

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+
+#ifndef FM_DRAG_ZOOM_WIDGET_H
+#define FM_DRAG_ZOOM_WIDGET_H
+#if (USE_DRAG_ZOOM)
+
+#include <QWidget>
+#include <QPainter>
+class FMDragZoomWidget : public QWidget
+{
+    Q_OBJECT
+public:
+#if (DRAG_ZOOM_BY_RATIO)
+    QSize ratio;
+#endif //
+
+private:
+
+    bool _mousePressed;
+    bool _drawStarted;
+    bool _ROIEnabled;
+
+
+    QCursor* _magnify;
+    QPixmap _pixmap;
+    QRect _rect;
+    QPainter _painter;
+
+    QPoint filterPoint(QPoint point);
+    void sendSelectedSignal();
+public:
+
+#if  (USE_DRAG_ZOOM)
+    bool _disabled;
+    bool _block;
+#endif // USE_DRAG_ZOOM
+
+    explicit FMDragZoomWidget(QWidget *parent = 0);
+
+    void mousePressEvent(QMouseEvent *e);
+    void mouseMoveEvent(QMouseEvent *e);
+    void mouseReleaseEvent(QMouseEvent *e);
+    void mouseDoubleClickEvent(QMouseEvent *e);
+
+    void paintEvent(QPaintEvent *event);
+
+    void setROIEnabled(bool enabled);
+    void ROIReset();    // fullscreen
+
+public slots:
+#if  (USE_DRAG_ZOOM)
+    void onReleaseDisabled();
+#endif
+
+signals:
+    void ROISelected(double x, double y, double width, double height);
+    void ROICleared();
+#if (CLICK_PAUSE_PLAY)
+    void clicked(); ///! DRAG 없이 CLICK 발생?
+#endif // CLICK_PAUSE_PLAY
+public slots:
+};
+#endif // #if (USE_DRAG_ZOOM)
+#endif // FM_DRAG_ZOOM_WIDGET_H