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ui: panning GraphView and resizing after node was moved

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This commit is contained in:
Eberhard Graether
2015-03-23 16:16:26 +01:00
parent 5fc7182dc0
commit 7790241926
9 changed files with 37 additions and 14 deletions
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src/app/qt/view/QtGraphView.cpp
+18 -6
View File
@@ -12,17 +12,18 @@
#include "qt/utility/utilityQt.h"
#include "qt/view/QtViewWidgetWrapper.h"
#include "qt/view/graphElements/nodeComponents/QtGraphNodeComponentClickable.h"
#include "qt/view/graphElements/nodeComponents/QtGraphNodeComponentMoveable.h"
#include "qt/view/graphElements/QtGraphEdge.h"
#include "qt/view/graphElements/QtGraphNode.h"
#include "qt/view/graphElements/QtGraphNodeAccess.h"
#include "qt/view/graphElements/nodeComponents/QtGraphNodeComponentClickable.h"
#include "qt/view/graphElements/nodeComponents/QtGraphNodeComponentMoveable.h"
QtGraphView::QtGraphView(ViewLayout* viewLayout)
: GraphView(viewLayout)
, m_rebuildGraphFunctor(
std::bind(&QtGraphView::doRebuildGraph, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3))
, m_clearFunctor(std::bind(&QtGraphView::doClear, this))
, m_resizeFunctor(std::bind(&QtGraphView::doResize, this))
{
}
@@ -48,6 +49,7 @@ void QtGraphView::initView()
QGraphicsScene* scene = new QGraphicsScene(widget);
QGraphicsView* view = new QGraphicsView(widget);
view->setScene(scene);
view->setDragMode(QGraphicsView::ScrollHandDrag);
widget->layout()->addWidget(view);
}
@@ -69,6 +71,11 @@ void QtGraphView::clear()
m_clearFunctor();
}
void QtGraphView::resizeView()
{
m_resizeFunctor();
}
Vec2i QtGraphView::getViewSize() const
{
QGraphicsView* view = getView();
@@ -98,12 +105,10 @@ void QtGraphView::switchToNewGraphData()
m_nodes.clear();
m_edges.clear();
QGraphicsView* view = getView();
int margin = 25;
view->setSceneRect(itemsBoundingRect(m_oldNodes).adjusted(-margin, -margin, margin, margin).translated(m_sceneRectOffset));
doResize();
// Manually hover the item below the mouse cursor.
QGraphicsView* view = getView();
QPointF point = view->mapToScene(view->mapFromGlobal(QCursor::pos()));
QGraphicsItem* item = view->scene()->itemAt(point, QTransform());
if (item)
@@ -189,6 +194,13 @@ void QtGraphView::doClear()
m_oldGraph.reset();
}
void QtGraphView::doResize()
{
int margin = 25;
QGraphicsView* view = getView();
view->setSceneRect(itemsBoundingRect(m_oldNodes).adjusted(-margin, -margin, margin, margin).translated(m_sceneRectOffset));
}
std::shared_ptr<QtGraphNode> QtGraphView::findNodeRecursive(const std::list<std::shared_ptr<QtGraphNode>>& nodes, Id tokenId)
{
for (const std::shared_ptr<QtGraphNode>& node : nodes)