ui: graph zoom buttons

Added simple zoom buttons to graph
2017-01-26 16:33:49 +01:00
parent 9583b6bbea
commit cdde712a2c
4 changed files with 101 additions and 30 deletions
@@ -6,6 +6,8 @@
 #include <QGraphicsView>
 #include <QPointF>

+#include <QPushButton>
+
 #include "component/view/GraphView.h"
 #include "qt/utility/QtScrollSpeedChangeListener.h"
 #include "qt/utility/QtThreadedFunctor.h"
@@ -53,6 +55,11 @@ private slots:
 	void finishedTransition();
 	void clickedInEmptySpace();

+	void zoomInPressed();
+	void zoomOutPressed();
+
+	void onMouseWheelEvent(QWheelEvent* event);
+
 private:
 	void switchToNewGraphData();

@@ -70,6 +77,8 @@ private:
 	void doFocusIn(const std::vector<Id>& tokenIds);
 	void doFocusOut(const std::vector<Id>& tokenIds);

+	void zoom(const float delta);
+
 	std::shared_ptr<QtGraphNode> findNodeRecursive(const std::list<std::shared_ptr<QtGraphNode>>& nodes, Id tokenId);

 	std::shared_ptr<QtGraphNode> createNodeRecursive(
@@ -118,6 +127,12 @@ private:

 	QtScrollSpeedChangeListener m_scrollSpeedChangeListenerHorizontal;
 	QtScrollSpeedChangeListener m_scrollSpeedChangeListenerVertical;
+
+	QPushButton* m_zoomInButton;
+	QPushButton* m_zoomOutButton;
+
+	float m_zoomInButtonSpeed;
+	float m_zoomOutButtonSpeed;
 };

 #endif // QT_GRAPH_VIEW_H