summaryrefslogtreecommitdiffstats
path: root/examples/graphicsview
diff options
context:
space:
mode:
authoraxis <qt-info@nokia.com>2009-04-24 14:03:55 (GMT)
committeraxis <qt-info@nokia.com>2009-04-27 07:09:01 (GMT)
commite74c8dc65e2feffb9a55d00aee5ca634fba41df8 (patch)
tree3a131f9235fb6a455793178d8313655e4fd0036e /examples/graphicsview
parent8f427b2b914d5b575a4a7c0ed65d2fb8f45acc76 (diff)
parent211bea9838bcc2acd7f54b65468fe1be2d81b1e0 (diff)
downloadQt-e74c8dc65e2feffb9a55d00aee5ca634fba41df8.zip
Qt-e74c8dc65e2feffb9a55d00aee5ca634fba41df8.tar.gz
Qt-e74c8dc65e2feffb9a55d00aee5ca634fba41df8.tar.bz2
Merge branch '4.5' of git@scm.dev.nokia.troll.no:qt/qt
Configure.exe recompiled with MSVC6. Conflicts: configure.exe examples/network/network.pro src/gui/dialogs/qfiledialog_p.h src/gui/dialogs/qfilesystemmodel_p.h src/gui/kernel/qapplication.cpp tests/auto/_Categories/qmake.txt tests/auto/qfile/test/test.pro tests/auto/qfile/tst_qfile.cpp tests/auto/qlibrary/tst_qlibrary.cpp tests/auto/qline/tst_qline.cpp tests/auto/qstyle/tst_qstyle.cpp tests/auto/qtextstream/tst_qtextstream.cpp tests/auto/qtranslator/qtranslator.pro tests/auto/qwaitcondition/tst_qwaitcondition.cpp translations/qt_ja_JP.ts
Diffstat (limited to 'examples/graphicsview')
-rw-r--r--examples/graphicsview/collidingmice/main.cpp4
-rw-r--r--examples/graphicsview/collidingmice/mouse.cpp5
-rw-r--r--examples/graphicsview/collidingmice/mouse.h7
-rw-r--r--examples/graphicsview/elasticnodes/edge.cpp18
4 files changed, 22 insertions, 12 deletions
diff --git a/examples/graphicsview/collidingmice/main.cpp b/examples/graphicsview/collidingmice/main.cpp
index 4a44481..23c91b0 100644
--- a/examples/graphicsview/collidingmice/main.cpp
+++ b/examples/graphicsview/collidingmice/main.cpp
@@ -83,6 +83,10 @@ int main(int argc, char **argv)
view.resize(400, 300);
view.show();
+ QTimer timer;
+ QObject::connect(&timer, SIGNAL(timeout()), &scene, SLOT(advance()));
+ timer.start(1000 / 33);
+
return app.exec();
}
//! [6]
diff --git a/examples/graphicsview/collidingmice/mouse.cpp b/examples/graphicsview/collidingmice/mouse.cpp
index 1d10574..bbdb4e3 100644
--- a/examples/graphicsview/collidingmice/mouse.cpp
+++ b/examples/graphicsview/collidingmice/mouse.cpp
@@ -65,7 +65,6 @@ Mouse::Mouse()
color(qrand() % 256, qrand() % 256, qrand() % 256)
{
rotate(qrand() % (360 * 16));
- startTimer(1000 / 33);
}
//! [0]
@@ -123,8 +122,10 @@ void Mouse::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *
//! [3]
//! [4]
-void Mouse::timerEvent(QTimerEvent *)
+void Mouse::advance(int step)
{
+ if (!step)
+ return;
//! [4]
// Don't move too far away
//! [5]
diff --git a/examples/graphicsview/collidingmice/mouse.h b/examples/graphicsview/collidingmice/mouse.h
index 832ea53..c08ce4a 100644
--- a/examples/graphicsview/collidingmice/mouse.h
+++ b/examples/graphicsview/collidingmice/mouse.h
@@ -43,13 +43,10 @@
#define MOUSE_H
#include <QGraphicsItem>
-#include <QObject>
//! [0]
-class Mouse : public QObject, public QGraphicsItem
+class Mouse : public QGraphicsItem
{
- Q_OBJECT
-
public:
Mouse();
@@ -59,7 +56,7 @@ public:
QWidget *widget);
protected:
- void timerEvent(QTimerEvent *event);
+ void advance(int step);
private:
qreal angle;
diff --git a/examples/graphicsview/elasticnodes/edge.cpp b/examples/graphicsview/elasticnodes/edge.cpp
index 4018c25..eb02143 100644
--- a/examples/graphicsview/elasticnodes/edge.cpp
+++ b/examples/graphicsview/elasticnodes/edge.cpp
@@ -93,11 +93,16 @@ void Edge::adjust()
QLineF line(mapFromItem(source, 0, 0), mapFromItem(dest, 0, 0));
qreal length = line.length();
- QPointF edgeOffset((line.dx() * 10) / length, (line.dy() * 10) / length);
prepareGeometryChange();
- sourcePoint = line.p1() + edgeOffset;
- destPoint = line.p2() - edgeOffset;
+
+ if (length > qreal(20.)) {
+ QPointF edgeOffset((line.dx() * 10) / length, (line.dy() * 10) / length);
+ sourcePoint = line.p1() + edgeOffset;
+ destPoint = line.p2() - edgeOffset;
+ } else {
+ sourcePoint = destPoint = line.p1();
+ }
}
QRectF Edge::boundingRect() const
@@ -119,12 +124,15 @@ void Edge::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *)
if (!source || !dest)
return;
- // Draw the line itself
QLineF line(sourcePoint, destPoint);
+ if (qFuzzyCompare(line.length(), qreal(0.)))
+ return;
+
+ // Draw the line itself
painter->setPen(QPen(Qt::black, 1, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin));
painter->drawLine(line);
- // Draw the arrows if there's enough room
+ // Draw the arrows
double angle = ::acos(line.dx() / line.length());
if (line.dy() >= 0)
angle = TwoPi - angle;