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-rw-r--r--examples/widgets/animation/animatedtiles/main.cpp5
-rw-r--r--examples/widgets/animation/moveblocks/main.cpp4
-rw-r--r--examples/widgets/animation/stickman/lifecycle.cpp3
-rw-r--r--examples/widgets/animation/sub-attaq/main.cpp2
-rw-r--r--examples/widgets/animation/sub-attaq/states.cpp7
-rw-r--r--examples/widgets/animation/sub-attaq/submarine_p.h5
-rw-r--r--examples/widgets/doc/src/collidingmice-example.qdoc10
-rw-r--r--examples/widgets/doc/src/dragdroprobot.qdoc2
-rw-r--r--examples/widgets/doc/src/elasticnodes.qdoc9
-rw-r--r--examples/widgets/draganddrop/puzzle/mainwindow.cpp4
-rw-r--r--examples/widgets/graphicsview/boxes/qtbox.cpp2
-rw-r--r--examples/widgets/graphicsview/boxes/scene.cpp10
-rw-r--r--examples/widgets/graphicsview/collidingmice/main.cpp1
-rw-r--r--examples/widgets/graphicsview/collidingmice/mouse.cpp15
-rw-r--r--examples/widgets/graphicsview/dragdroprobot/coloritem.cpp4
-rw-r--r--examples/widgets/graphicsview/dragdroprobot/main.cpp1
-rw-r--r--examples/widgets/graphicsview/elasticnodes/graphwidget.cpp3
-rw-r--r--examples/widgets/graphicsview/elasticnodes/main.cpp1
-rw-r--r--examples/widgets/itemviews/puzzle/mainwindow.cpp2
-rw-r--r--examples/widgets/itemviews/puzzle/piecesmodel.cpp3
-rw-r--r--examples/widgets/mainwindows/mainwindow/toolbar.cpp4
-rw-r--r--examples/widgets/statemachine/rogue/window.cpp4
-rw-r--r--examples/widgets/tools/plugandpaint/plugins/basictools/basictoolsplugin.cpp2
-rw-r--r--examples/widgets/tools/undo/mainwindow.cpp11
-rw-r--r--examples/widgets/tools/undoframework/diagramitem.cpp3
-rw-r--r--examples/widgets/widgets/tetrix/main.cpp1
-rw-r--r--examples/widgets/widgets/tetrix/tetrixpiece.cpp2
-rw-r--r--examples/widgets/widgets/tooltips/main.cpp1
-rw-r--r--examples/widgets/widgets/tooltips/sortingbox.cpp4
29 files changed, 57 insertions, 68 deletions
diff --git a/examples/widgets/animation/animatedtiles/main.cpp b/examples/widgets/animation/animatedtiles/main.cpp
index 0511fe8162..89b5b67f8a 100644
--- a/examples/widgets/animation/animatedtiles/main.cpp
+++ b/examples/widgets/animation/animatedtiles/main.cpp
@@ -50,6 +50,7 @@
#include <QtWidgets>
#include <QtCore/qmath.h>
+#include <QtCore/qrandom.h>
#include <QtCore/qstate.h>
class Pixmap : public QObject, public QGraphicsPixmapItem
@@ -202,8 +203,8 @@ int main(int argc, char **argv)
// Random
randomState->assignProperty(item, "pos",
- QPointF(-250 + qrand() % 500,
- -250 + qrand() % 500));
+ QPointF(-250 + QRandomGenerator::global()->bounded(500),
+ -250 + QRandomGenerator::global()->bounded(500)));
// Tiled
tiledState->assignProperty(item, "pos",
diff --git a/examples/widgets/animation/moveblocks/main.cpp b/examples/widgets/animation/moveblocks/main.cpp
index a9b95808a5..6d17696108 100644
--- a/examples/widgets/animation/moveblocks/main.cpp
+++ b/examples/widgets/animation/moveblocks/main.cpp
@@ -125,7 +125,7 @@ public:
void onEntry(QEvent *) override
{
int n;
- while ((n = (qrand() % m_stateCount + 1)) == m_lastIndex)
+ while ((n = QRandomGenerator::global()->bounded(m_stateCount) + 1) == m_lastIndex)
{ }
m_lastIndex = n;
machine()->postEvent(new StateSwitchEvent(n));
@@ -323,8 +323,6 @@ int main(int argc, char **argv)
window.resize(300, 300);
window.show();
- qsrand(QTime(0,0,0).secsTo(QTime::currentTime()));
-
return app.exec();
}
diff --git a/examples/widgets/animation/stickman/lifecycle.cpp b/examples/widgets/animation/stickman/lifecycle.cpp
index 253af22b2d..dbe9a299b4 100644
--- a/examples/widgets/animation/stickman/lifecycle.cpp
+++ b/examples/widgets/animation/stickman/lifecycle.cpp
@@ -91,13 +91,12 @@ public:
: QEventTransition(this, QEvent::Timer)
{
setTargetState(target);
- qsrand((uint)QDateTime::currentSecsSinceEpoch());
startTimer(1000);
}
bool eventTest(QEvent *e) override
{
- return QEventTransition::eventTest(e) && ((qrand() % 50) == 0);
+ return QEventTransition::eventTest(e) && QRandomGenerator::global()->bounded(50) == 0;
}
};
//! [4]
diff --git a/examples/widgets/animation/sub-attaq/main.cpp b/examples/widgets/animation/sub-attaq/main.cpp
index f65ca7be18..9b28d8c40f 100644
--- a/examples/widgets/animation/sub-attaq/main.cpp
+++ b/examples/widgets/animation/sub-attaq/main.cpp
@@ -57,8 +57,6 @@ int main(int argc, char *argv[])
QApplication app(argc, argv);
Q_INIT_RESOURCE(subattaq);
- qsrand(QTime(0,0,0).secsTo(QTime::currentTime()));
-
MainWindow w;
w.show();
diff --git a/examples/widgets/animation/sub-attaq/states.cpp b/examples/widgets/animation/sub-attaq/states.cpp
index 21cff048e7..e19704db7b 100644
--- a/examples/widgets/animation/sub-attaq/states.cpp
+++ b/examples/widgets/animation/sub-attaq/states.cpp
@@ -64,6 +64,7 @@
#include <QtCore/QStateMachine>
#include <QtWidgets/QKeyEventTransition>
#include <QtCore/QFinalState>
+#include <QtCore/QRandomGenerator>
PlayState::PlayState(GraphicsScene *scene, QState *parent)
: QState(parent),
@@ -193,12 +194,12 @@ void LevelState::initializeLevel()
for (int j = 0; j < subContent.second; ++j ) {
SubMarine *sub = new SubMarine(submarineDesc.type, submarineDesc.name, submarineDesc.points);
scene->addItem(sub);
- int random = (qrand() % 15 + 1);
+ int random = QRandomGenerator::global()->bounded(15) + 1;
qreal x = random == 13 || random == 5 ? 0 : scene->width() - sub->size().width();
- qreal y = scene->height() -(qrand() % 150 + 1) - sub->size().height();
+ qreal y = scene->height() -(QRandomGenerator::global()->bounded(150) + 1) - sub->size().height();
sub->setPos(x,y);
sub->setCurrentDirection(x == 0 ? SubMarine::Right : SubMarine::Left);
- sub->setCurrentSpeed(qrand() % 3 + 1);
+ sub->setCurrentSpeed(QRandomGenerator::global()->bounded(3) + 1);
}
}
}
diff --git a/examples/widgets/animation/sub-attaq/submarine_p.h b/examples/widgets/animation/sub-attaq/submarine_p.h
index b8d5532962..698b4b494f 100644
--- a/examples/widgets/animation/sub-attaq/submarine_p.h
+++ b/examples/widgets/animation/sub-attaq/submarine_p.h
@@ -69,6 +69,7 @@
//Qt
#include <QtCore/QPropertyAnimation>
+#include <QtCore/QRandomGenerator>
#include <QtWidgets/QGraphicsScene>
//This state is describing when the boat is moving right
@@ -88,8 +89,8 @@ public:
protected slots:
void onAnimationMovementValueChanged(const QVariant &)
{
- if (qrand() % 200 + 1 == 3)
- submarine->launchTorpedo(qrand() % 3 + 1);
+ if (QRandomGenerator::global()->bounded(200) + 1 == 3)
+ submarine->launchTorpedo(QRandomGenerator::global()->bounded(3) + 1);
}
protected:
diff --git a/examples/widgets/doc/src/collidingmice-example.qdoc b/examples/widgets/doc/src/collidingmice-example.qdoc
index 02417ba521..535057bb6a 100644
--- a/examples/widgets/doc/src/collidingmice-example.qdoc
+++ b/examples/widgets/doc/src/collidingmice-example.qdoc
@@ -80,8 +80,7 @@
\snippet graphicsview/collidingmice/mouse.cpp 0
To calculate the various components of the mouse's color, we use
- the global qrand() function which is a thread-safe version of the
- standard C++ rand() function.
+ \l QRandomGenerator.
Then we call the \l {QGraphicsItem::setRotation()}{setRotation()} function
inherited from QGraphicsItem. Items live in their own local
@@ -178,12 +177,7 @@
\snippet graphicsview/collidingmice/main.cpp 0
- First, we create an application object and call the global
- qsrand() function to specify the seed used to generate a new
- random number sequence of pseudo random integers with the
- previously mentioned qrand() function.
-
- Then it is time to create the scene:
+ First, we create an application object and create the scene:
\snippet graphicsview/collidingmice/main.cpp 1
diff --git a/examples/widgets/doc/src/dragdroprobot.qdoc b/examples/widgets/doc/src/dragdroprobot.qdoc
index ac221ec5f9..f74b898e1b 100644
--- a/examples/widgets/doc/src/dragdroprobot.qdoc
+++ b/examples/widgets/doc/src/dragdroprobot.qdoc
@@ -257,7 +257,7 @@
\snippet graphicsview/dragdroprobot/coloritem.cpp 0
\c ColorItem's constructor assigns an opaque random color to its color
- member by making use of qrand(). For improved usability, it assigns a
+ member by making use of \l QRandomGenerator. For improved usability, it assigns a
tooltip that provides a useful hint to the user, and it also sets a
suitable cursor. This ensures that the cursor will chance to
Qt::OpenHandCursor when the mouse pointer hovers over the item.
diff --git a/examples/widgets/doc/src/elasticnodes.qdoc b/examples/widgets/doc/src/elasticnodes.qdoc
index 09ac891b24..65e1195121 100644
--- a/examples/widgets/doc/src/elasticnodes.qdoc
+++ b/examples/widgets/doc/src/elasticnodes.qdoc
@@ -424,9 +424,8 @@
\section1 The main() Function
In contrast to the complexity of the rest of this example, the \c main()
- function is very simple: We create a QApplication instance, seed the
- randomizer using qsrand(), and then create and show an instance of \c
- GraphWidget. Because all nodes in the grid are moved initially, the \c
- GraphWidget timer will start immediately after control has returned to the
- event loop.
+ function is very simple: We create a QApplication instance, then create and
+ show an instance of \c GraphWidget. Because all nodes in the grid are moved
+ initially, the \c GraphWidget timer will start immediately after control
+ has returned to the event loop.
*/
diff --git a/examples/widgets/draganddrop/puzzle/mainwindow.cpp b/examples/widgets/draganddrop/puzzle/mainwindow.cpp
index 1914519c68..98a7cd4265 100644
--- a/examples/widgets/draganddrop/puzzle/mainwindow.cpp
+++ b/examples/widgets/draganddrop/puzzle/mainwindow.cpp
@@ -122,10 +122,8 @@ void MainWindow::setupPuzzle()
}
}
- qsrand(QCursor::pos().x() ^ QCursor::pos().y());
-
for (int i = 0; i < piecesList->count(); ++i) {
- if (int(2.0*qrand()/(RAND_MAX+1.0)) == 1) {
+ if (QRandomGenerator::global()->bounded(2) == 1) {
QListWidgetItem *item = piecesList->takeItem(i);
piecesList->insertItem(0, item);
}
diff --git a/examples/widgets/graphicsview/boxes/qtbox.cpp b/examples/widgets/graphicsview/boxes/qtbox.cpp
index 9a19985fac..3a184dd0b6 100644
--- a/examples/widgets/graphicsview/boxes/qtbox.cpp
+++ b/examples/widgets/graphicsview/boxes/qtbox.cpp
@@ -414,7 +414,7 @@ void QtBox::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWi
CircleItem::CircleItem(int size, int x, int y) : ItemBase(size, x, y)
{
- m_color = QColor::fromHsv(rand() % 360, 255, 255);
+ m_color = QColor::fromHsv(QRandomGenerator::global()->bounded(360), 255, 255);
}
void CircleItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
diff --git a/examples/widgets/graphicsview/boxes/scene.cpp b/examples/widgets/graphicsview/boxes/scene.cpp
index 31b9553c75..f51cad99ac 100644
--- a/examples/widgets/graphicsview/boxes/scene.cpp
+++ b/examples/widgets/graphicsview/boxes/scene.cpp
@@ -50,6 +50,7 @@
#include <QDebug>
#include "scene.h"
+#include <QtCore/QRandomGenerator>
#include <QtGui/qmatrix4x4.h>
#include <QtGui/qvector3d.h>
#include <qmath.h>
@@ -1072,13 +1073,16 @@ void Scene::newItem(ItemDialog::ItemType type)
QSize size = sceneRect().size().toSize();
switch (type) {
case ItemDialog::QtBoxItem:
- addItem(new QtBox(64, rand() % (size.width() - 64) + 32, rand() % (size.height() - 64) + 32));
+ addItem(new QtBox(64, QRandomGenerator::global()->bounded(size.width() - 64) + 32,
+ QRandomGenerator::global()->bounded(size.height() - 64) + 32));
break;
case ItemDialog::CircleItem:
- addItem(new CircleItem(64, rand() % (size.width() - 64) + 32, rand() % (size.height() - 64) + 32));
+ addItem(new CircleItem(64, QRandomGenerator::global()->bounded(size.width() - 64) + 32,
+ QRandomGenerator::global()->bounded(size.height() - 64) + 32));
break;
case ItemDialog::SquareItem:
- addItem(new SquareItem(64, rand() % (size.width() - 64) + 32, rand() % (size.height() - 64) + 32));
+ addItem(new SquareItem(64, QRandomGenerator::global()->bounded(size.width() - 64) + 32,
+ QRandomGenerator::global()->bounded(size.height() - 64) + 32));
break;
default:
break;
diff --git a/examples/widgets/graphicsview/collidingmice/main.cpp b/examples/widgets/graphicsview/collidingmice/main.cpp
index a0659b9bc1..91aee70b86 100644
--- a/examples/widgets/graphicsview/collidingmice/main.cpp
+++ b/examples/widgets/graphicsview/collidingmice/main.cpp
@@ -60,7 +60,6 @@ static const int MouseCount = 7;
int main(int argc, char **argv)
{
QApplication app(argc, argv);
- qsrand(QTime(0, 0, 0).secsTo(QTime::currentTime()));
//! [0]
//! [1]
diff --git a/examples/widgets/graphicsview/collidingmice/mouse.cpp b/examples/widgets/graphicsview/collidingmice/mouse.cpp
index 298e4aae64..14f887f6e3 100644
--- a/examples/widgets/graphicsview/collidingmice/mouse.cpp
+++ b/examples/widgets/graphicsview/collidingmice/mouse.cpp
@@ -52,6 +52,7 @@
#include <QGraphicsScene>
#include <QPainter>
+#include <QRandomGenerator>
#include <QStyleOption>
#include <qmath.h>
@@ -70,9 +71,9 @@ static qreal normalizeAngle(qreal angle)
//! [0]
Mouse::Mouse()
: angle(0), speed(0), mouseEyeDirection(0),
- color(qrand() % 256, qrand() % 256, qrand() % 256)
+ color(QRandomGenerator::global()->bounded(256), QRandomGenerator::global()->bounded(256), QRandomGenerator::global()->bounded(256))
{
- setRotation(qrand() % (360 * 16));
+ setRotation(QRandomGenerator::global()->bounded(360 * 16));
}
//! [0]
@@ -185,16 +186,16 @@ void Mouse::advance(int step)
// Add some random movement
//! [10]
- if (dangerMice.size() > 1 && (qrand() % 10) == 0) {
- if (qrand() % 1)
- angle += (qrand() % 100) / 500.0;
+ if (dangerMice.size() > 1 && QRandomGenerator::global()->bounded(10) == 0) {
+ if (QRandomGenerator::global()->bounded(1))
+ angle += QRandomGenerator::global()->bounded(1 / 500.0);
else
- angle -= (qrand() % 100) / 500.0;
+ angle -= QRandomGenerator::global()->bounded(1 / 500.0);
}
//! [10]
//! [11]
- speed += (-50 + qrand() % 100) / 100.0;
+ speed += (-50 + QRandomGenerator::global()->bounded(100)) / 100.0;
qreal dx = ::sin(angle) * 10;
mouseEyeDirection = (qAbs(dx / 5) < 1) ? 0 : dx / 5;
diff --git a/examples/widgets/graphicsview/dragdroprobot/coloritem.cpp b/examples/widgets/graphicsview/dragdroprobot/coloritem.cpp
index 64a715d31f..262e18a317 100644
--- a/examples/widgets/graphicsview/dragdroprobot/coloritem.cpp
+++ b/examples/widgets/graphicsview/dragdroprobot/coloritem.cpp
@@ -54,7 +54,7 @@
//! [0]
ColorItem::ColorItem()
- : color(qrand() % 256, qrand() % 256, qrand() % 256)
+ : color(QRandomGenerator::global()->bounded(256), QRandomGenerator::global()->bounded(256), QRandomGenerator::global()->bounded(256))
{
setToolTip(QString("QColor(%1, %2, %3)\n%4")
.arg(color.red()).arg(color.green()).arg(color.blue())
@@ -107,7 +107,7 @@ void ColorItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
//! [6]
static int n = 0;
- if (n++ > 2 && (qrand() % 3) == 0) {
+ if (n++ > 2 && QRandomGenerator::global()->bounded(3) == 0) {
QImage image(":/images/head.png");
mime->setImageData(image);
diff --git a/examples/widgets/graphicsview/dragdroprobot/main.cpp b/examples/widgets/graphicsview/dragdroprobot/main.cpp
index 20cec92d26..045e184569 100644
--- a/examples/widgets/graphicsview/dragdroprobot/main.cpp
+++ b/examples/widgets/graphicsview/dragdroprobot/main.cpp
@@ -73,7 +73,6 @@ int main(int argc, char **argv)
{
QApplication app(argc, argv);
- qsrand(QTime(0,0,0).secsTo(QTime::currentTime()));
//! [0]
//! [1]
QGraphicsScene scene(-200, -200, 400, 400);
diff --git a/examples/widgets/graphicsview/elasticnodes/graphwidget.cpp b/examples/widgets/graphicsview/elasticnodes/graphwidget.cpp
index 844c8f8aac..4259aab803 100644
--- a/examples/widgets/graphicsview/elasticnodes/graphwidget.cpp
+++ b/examples/widgets/graphicsview/elasticnodes/graphwidget.cpp
@@ -55,6 +55,7 @@
#include <math.h>
#include <QKeyEvent>
+#include <QRandomGenerator>
//! [0]
GraphWidget::GraphWidget(QWidget *parent)
@@ -247,7 +248,7 @@ void GraphWidget::shuffle()
{
foreach (QGraphicsItem *item, scene()->items()) {
if (qgraphicsitem_cast<Node *>(item))
- item->setPos(-150 + qrand() % 300, -150 + qrand() % 300);
+ item->setPos(-150 + QRandomGenerator::global()->bounded(300), -150 + QRandomGenerator::global()->bounded(300));
}
}
diff --git a/examples/widgets/graphicsview/elasticnodes/main.cpp b/examples/widgets/graphicsview/elasticnodes/main.cpp
index 75cc4b0f69..1e372a9f6d 100644
--- a/examples/widgets/graphicsview/elasticnodes/main.cpp
+++ b/examples/widgets/graphicsview/elasticnodes/main.cpp
@@ -57,7 +57,6 @@
int main(int argc, char **argv)
{
QApplication app(argc, argv);
- qsrand(QTime(0,0,0).secsTo(QTime::currentTime()));
GraphWidget *widget = new GraphWidget;
diff --git a/examples/widgets/itemviews/puzzle/mainwindow.cpp b/examples/widgets/itemviews/puzzle/mainwindow.cpp
index 8ee5cf659e..d598dc9017 100644
--- a/examples/widgets/itemviews/puzzle/mainwindow.cpp
+++ b/examples/widgets/itemviews/puzzle/mainwindow.cpp
@@ -114,8 +114,6 @@ void MainWindow::setupPuzzle()
(puzzleImage.height() - size) / 2, size, size).scaled(puzzleWidget->imageSize(),
puzzleWidget->imageSize(), Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
- qsrand(QCursor::pos().x() ^ QCursor::pos().y());
-
model->addPieces(puzzleImage);
puzzleWidget->clear();
}
diff --git a/examples/widgets/itemviews/puzzle/piecesmodel.cpp b/examples/widgets/itemviews/puzzle/piecesmodel.cpp
index 0fbf0cdcc2..f0649d3776 100644
--- a/examples/widgets/itemviews/puzzle/piecesmodel.cpp
+++ b/examples/widgets/itemviews/puzzle/piecesmodel.cpp
@@ -52,6 +52,7 @@
#include <QIcon>
#include <QMimeData>
+#include <QRandomGenerator>
PiecesModel::PiecesModel(int pieceSize, QObject *parent)
: QAbstractListModel(parent), m_PieceSize(pieceSize)
@@ -77,7 +78,7 @@ QVariant PiecesModel::data(const QModelIndex &index, int role) const
void PiecesModel::addPiece(const QPixmap &pixmap, const QPoint &location)
{
int row;
- if (int(2.0 * qrand() / (RAND_MAX + 1.0)) == 1)
+ if (QRandomGenerator::global()->bounded(2) == 1)
row = 0;
else
row = pixmaps.size();
diff --git a/examples/widgets/mainwindows/mainwindow/toolbar.cpp b/examples/widgets/mainwindows/mainwindow/toolbar.cpp
index 97152a64a3..814cfc7f4d 100644
--- a/examples/widgets/mainwindows/mainwindow/toolbar.cpp
+++ b/examples/widgets/mainwindows/mainwindow/toolbar.cpp
@@ -50,6 +50,8 @@
#include "toolbar.h"
+#include <QRandomGenerator>
+
#include <QMainWindow>
#include <QMenu>
#include <QPainter>
@@ -257,7 +259,7 @@ void ToolBar::randomize()
QList<QAction *> randomized;
QList<QAction *> actions = this->actions();
while (!actions.isEmpty()) {
- QAction *action = actions.takeAt(rand() % actions.size());
+ QAction *action = actions.takeAt(QRandomGenerator::global()->bounded(actions.size()));
randomized.append(action);
}
clear();
diff --git a/examples/widgets/statemachine/rogue/window.cpp b/examples/widgets/statemachine/rogue/window.cpp
index 428d4c3af6..3515138382 100644
--- a/examples/widgets/statemachine/rogue/window.cpp
+++ b/examples/widgets/statemachine/rogue/window.cpp
@@ -248,11 +248,9 @@ void Window::movePlayer(Direction direction)
void Window::setupMap()
{
- qsrand(QTime(0,0,0).secsTo(QTime::currentTime()));
-
for (int x = 0; x < WIDTH; ++x)
for (int y = 0; y < HEIGHT; ++y) {
- if (x == 0 || x == WIDTH - 1 || y == 0 || y == HEIGHT - 1 || qrand() % 40 == 0)
+ if (x == 0 || x == WIDTH - 1 || y == 0 || y == HEIGHT - 1 || QRandomGenerator::global()->bounded(40) == 0)
map[x][y] = '#';
else
map[x][y] = '.';
diff --git a/examples/widgets/tools/plugandpaint/plugins/basictools/basictoolsplugin.cpp b/examples/widgets/tools/plugandpaint/plugins/basictools/basictoolsplugin.cpp
index 740d007d44..92620ddd8c 100644
--- a/examples/widgets/tools/plugandpaint/plugins/basictools/basictoolsplugin.cpp
+++ b/examples/widgets/tools/plugandpaint/plugins/basictools/basictoolsplugin.cpp
@@ -101,7 +101,7 @@ QRect BasicToolsPlugin::mouseMove(const QString &brush, QPainter &painter,
thickness, thickness);
}
} else if (brush == tr("Random Letters")) {
- QChar ch('A' + (qrand() % 26));
+ QChar ch(QRandomGenerator::global()->bounded('A', 'Z' + 1));
QFont biggerFont = painter.font();
biggerFont.setBold(true);
diff --git a/examples/widgets/tools/undo/mainwindow.cpp b/examples/widgets/tools/undo/mainwindow.cpp
index aa570caa80..5976163f3f 100644
--- a/examples/widgets/tools/undo/mainwindow.cpp
+++ b/examples/widgets/tools/undo/mainwindow.cpp
@@ -52,6 +52,7 @@
#include <QUndoStack>
#include <QFileDialog>
#include <QMessageBox>
+#include <QRandomGenerator>
#include <QTextStream>
#include <QToolButton>
#include "document.h"
@@ -321,7 +322,7 @@ void MainWindow::newDocument()
static QColor randomColor()
{
- int r = (int) (3.0*(rand()/(RAND_MAX + 1.0)));
+ int r = QRandomGenerator::global()->bounded(3);
switch (r) {
case 0:
return Qt::red;
@@ -337,10 +338,10 @@ static QRect randomRect(const QSize &s)
{
QSize min = Shape::minSize;
- int left = (int) ((0.0 + s.width() - min.width())*(rand()/(RAND_MAX + 1.0)));
- int top = (int) ((0.0 + s.height() - min.height())*(rand()/(RAND_MAX + 1.0)));
- int width = (int) ((0.0 + s.width() - left - min.width())*(rand()/(RAND_MAX + 1.0))) + min.width();
- int height = (int) ((0.0 + s.height() - top - min.height())*(rand()/(RAND_MAX + 1.0))) + min.height();
+ int left = (int) ((0.0 + s.width() - min.width())*(QRandomGenerator::global()->bounded(1.0)));
+ int top = (int) ((0.0 + s.height() - min.height())*(QRandomGenerator::global()->bounded(1.0)));
+ int width = (int) ((0.0 + s.width() - left - min.width())*(QRandomGenerator::global()->bounded(1.0))) + min.width();
+ int height = (int) ((0.0 + s.height() - top - min.height())*(QRandomGenerator::global()->bounded(1.0))) + min.height();
return QRect(left, top, width, height);
}
diff --git a/examples/widgets/tools/undoframework/diagramitem.cpp b/examples/widgets/tools/undoframework/diagramitem.cpp
index 754baa2377..723645c9b2 100644
--- a/examples/widgets/tools/undoframework/diagramitem.cpp
+++ b/examples/widgets/tools/undoframework/diagramitem.cpp
@@ -65,8 +65,7 @@ DiagramItem::DiagramItem(DiagramType diagramType, QGraphicsItem *item)
setPolygon(trianglePolygon);
}
- QColor color(static_cast<int>(qrand()) % 256,
- static_cast<int>(qrand()) % 256, static_cast<int>(qrand()) % 256);
+ QColor color(QRandomGenerator::global()->bounded(256), QRandomGenerator::global()->bounded(256), QRandomGenerator::global()->bounded(256));
QBrush brush(color);
setBrush(brush);
setFlag(QGraphicsItem::ItemIsSelectable);
diff --git a/examples/widgets/widgets/tetrix/main.cpp b/examples/widgets/widgets/tetrix/main.cpp
index 886e94de7c..2698190e76 100644
--- a/examples/widgets/widgets/tetrix/main.cpp
+++ b/examples/widgets/widgets/tetrix/main.cpp
@@ -59,6 +59,5 @@ int main(int argc, char *argv[])
QApplication app(argc, argv);
TetrixWindow window;
window.show();
- qsrand(QTime(0,0,0).secsTo(QTime::currentTime()));
return app.exec();
}
diff --git a/examples/widgets/widgets/tetrix/tetrixpiece.cpp b/examples/widgets/widgets/tetrix/tetrixpiece.cpp
index 69e1733ac4..3d8fa86860 100644
--- a/examples/widgets/widgets/tetrix/tetrixpiece.cpp
+++ b/examples/widgets/widgets/tetrix/tetrixpiece.cpp
@@ -57,7 +57,7 @@
//! [0]
void TetrixPiece::setRandomShape()
{
- setShape(TetrixShape(qrand() % 7 + 1));
+ setShape(TetrixShape(QRandomGenerator::global()->bounded(7) + 1));
}
//! [0]
diff --git a/examples/widgets/widgets/tooltips/main.cpp b/examples/widgets/widgets/tooltips/main.cpp
index 3c64a33a4c..8276b3dc8d 100644
--- a/examples/widgets/widgets/tooltips/main.cpp
+++ b/examples/widgets/widgets/tooltips/main.cpp
@@ -57,7 +57,6 @@ int main(int argc, char *argv[])
Q_INIT_RESOURCE(tooltips);
QApplication app(argc, argv);
- qsrand(QTime(0,0,0).secsTo(QTime::currentTime()));
SortingBox sortingBox;
sortingBox.show();
return app.exec();
diff --git a/examples/widgets/widgets/tooltips/sortingbox.cpp b/examples/widgets/widgets/tooltips/sortingbox.cpp
index c15fdcf95b..4769a30c64 100644
--- a/examples/widgets/widgets/tooltips/sortingbox.cpp
+++ b/examples/widgets/widgets/tooltips/sortingbox.cpp
@@ -292,7 +292,7 @@ QPoint SortingBox::initialItemPosition(const QPainterPath &path)
//! [24]
QPoint SortingBox::randomItemPosition()
{
- return QPoint(qrand() % (width() - 120), qrand() % (height() - 120));
+ return QPoint(QRandomGenerator::global()->bounded(width() - 120), QRandomGenerator::global()->bounded(height() - 120));
}
//! [24]
@@ -306,6 +306,6 @@ QColor SortingBox::initialItemColor()
//! [26]
QColor SortingBox::randomItemColor()
{
- return QColor::fromHsv(qrand() % 256, 255, 190);
+ return QColor::fromHsv(QRandomGenerator::global()->bounded(256), 255, 190);
}
//! [26]