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ui: Added more movement controls to the graph

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* SHIFT + mouse wheel for zooming
* WASD for moving up, right, left, down
* SHIFT + WS for zooming
* zoom anchor is under the mouse

bug id = 54
This commit is contained in:
Eberhard Graether
2016-03-12 00:55:31 +01:00
parent bcb43eccd0
commit 53d5fe6a06
5 changed files with 190 additions and 53 deletions
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src/lib_gui/qt/view/QtGraphView.cpp
+7 -34
View File
@@ -18,6 +18,7 @@
#include "qt/utility/utilityQt.h"
#include "qt/graphics/QtGraphicsView.h"
#include "qt/view/QtViewWidgetWrapper.h"
#include "qt/view/graphElements/nodeComponents/QtGraphNodeComponentClickable.h"
#include "qt/view/graphElements/nodeComponents/QtGraphNodeComponentMoveable.h"
@@ -28,33 +29,6 @@
#include "qt/view/graphElements/QtGraphNodeExpandToggle.h"
#include "settings/ColorScheme.h"
QtGraphicsView::QtGraphicsView(QWidget* parent)
: QGraphicsView(parent)
{
}
void QtGraphicsView::mousePressEvent(QMouseEvent *event)
{
if (event->button() == Qt::LeftButton && !itemAt(event->pos()))
{
m_last = event->pos();
}
QGraphicsView::mousePressEvent(event);
}
void QtGraphicsView::mouseReleaseEvent(QMouseEvent *event)
{
if (event->button() == Qt::LeftButton && !itemAt(event->pos()) && event->pos() == m_last)
{
emit emptySpaceClicked();
}
QGraphicsView::mouseReleaseEvent(event);
viewport()->setCursor(Qt::ArrowCursor);
}
QtGraphView::QtGraphView(ViewLayout* viewLayout)
: GraphView(viewLayout)
, m_rebuildGraphFunctor(
@@ -86,7 +60,7 @@ void QtGraphView::initView()
widget->setLayout(layout);
QGraphicsScene* scene = new QGraphicsScene(widget);
QGraphicsView* view = new QtGraphicsView(widget);
QtGraphicsView* view = new QtGraphicsView(widget);
view->setScene(scene);
view->setDragMode(QGraphicsView::ScrollHandDrag);
view->setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform);
@@ -125,9 +99,9 @@ void QtGraphView::resizeView()
Vec2i QtGraphView::getViewSize() const
{
QGraphicsView* view = getView();
QtGraphicsView* view = getView();
float zoomFactor = GraphViewStyle::getZoomFactor();
float zoomFactor = view->getZoomFactor();
return Vec2i(view->width() / zoomFactor - 80, view->height() / zoomFactor - 80);
}
@@ -203,11 +177,11 @@ void QtGraphView::switchToNewGraphData()
}
}
QGraphicsView* QtGraphView::getView() const
QtGraphicsView* QtGraphView::getView() const
{
QWidget* widget = QtViewWidgetWrapper::getWidgetOfView(this);
QGraphicsView* view = widget->findChild<QGraphicsView*>("");
QtGraphicsView* view = widget->findChild<QtGraphicsView*>("");
if (!view)
{
@@ -299,8 +273,7 @@ void QtGraphView::doRefreshView()
std::string css = utility::getStyleSheet(ResourcePaths::getGuiPath() + "graph_view/graph_view.css");
getView()->setStyleSheet(css.c_str());
float zoomFactor = GraphViewStyle::getZoomFactor();
getView()->setTransform(QTransform(zoomFactor, 0, 0, zoomFactor, 0, 0));
getView()->setAppZoomFactor(GraphViewStyle::getZoomFactor());
}
std::shared_ptr<QtGraphNode> QtGraphView::findNodeRecursive(const std::list<std::shared_ptr<QtGraphNode>>& nodes, Id tokenId)