1berry/qtbase
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

GraphWidget example: use QBasicTimer instead of raw timer IDs

Browse Source 
Change-Id: I9ba66ff37112b749d29a9121f4c89cab1a8e9d07
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
This commit is contained in:
Ahmad Samir 2024-09-05 16:54:40 +03:00
parent c07c414609
commit 07593900dc
2 changed files with 8 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
examples/widgets/graphicsview/elasticnodes/graphwidget.cpp
View File

@ -74,8 +74,10 @@ GraphWidget::GraphWidget(QWidget *parent)
//! [2] //! [2]
void GraphWidget::itemMoved() void GraphWidget::itemMoved()
{ {
if (!timerId) using namespace std::chrono_literals;
timerId = startTimer(1000 / 25);
if (!timer.isActive())
timer.start(1000ms / 25, this);
} }
//! [2] //! [2]
@ -132,10 +134,8 @@ void GraphWidget::timerEvent(QTimerEvent *event)
itemsMoved = true; itemsMoved = true;
} }
if (!itemsMoved) { if (!itemsMoved)
killTimer(timerId); timer.stop();
timerId = 0;
}
} }
//! [4] //! [4]

3
examples/widgets/graphicsview/elasticnodes/graphwidget.h
View File

@ -4,6 +4,7 @@
#ifndef GRAPHWIDGET_H #ifndef GRAPHWIDGET_H
#define GRAPHWIDGET_H #define GRAPHWIDGET_H
#include <QBasicTimer>
#include <QGraphicsView> #include <QGraphicsView>
class Node; class Node;
@ -34,7 +35,7 @@ protected:
void scaleView(qreal scaleFactor); void scaleView(qreal scaleFactor);
private: private:
int timerId = 0; QBasicTimer timer;
Node *centerNode; Node *centerNode;
}; };
//! [0] //! [0]