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authorVolker Hilsheimer <volker.hilsheimer@nokia.com>2009-07-17 13:40:49 (GMT)
committerVolker Hilsheimer <volker.hilsheimer@nokia.com>2009-07-17 13:43:50 (GMT)
commit13254da6c3192937812983f44ce95fe8e1bc602c (patch)
tree72a1959c25a9ee9f133fad81bf9ee9f3d5b90696 /tests
parent83d9c5978fd5089457a28f16be6d26b047d80b7d (diff)
downloadQt-13254da6c3192937812983f44ce95fe8e1bc602c.zip
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Implement QDesktopWidget::screenCountChanged signal on desktop platforms,
and add manual testcase. Provide replacement "screenCount" for numScreens and document numScreens as obsolete to be more consistent with other APIs.
Diffstat (limited to 'tests')
-rw-r--r--tests/manual/qdesktopwidget/main.cpp188
-rw-r--r--tests/manual/qdesktopwidget/qdesktopwidget.pro2
2 files changed, 190 insertions, 0 deletions
diff --git a/tests/manual/qdesktopwidget/main.cpp b/tests/manual/qdesktopwidget/main.cpp
new file mode 100644
index 0000000..1afc82e
--- /dev/null
+++ b/tests/manual/qdesktopwidget/main.cpp
@@ -0,0 +1,188 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+
+class DesktopView : public QGraphicsView
+{
+ Q_OBJECT
+public:
+ DesktopView()
+ : that(0)
+ {
+ scene = new QGraphicsScene;
+ setScene(scene);
+
+ QDesktopWidget *desktop = QApplication::desktop();
+ connect(desktop, SIGNAL(resized(int)), this, SLOT(updateScene()));
+ connect(desktop, SIGNAL(workAreaResized(int)), this, SLOT(updateScene()));
+ connect(desktop, SIGNAL(screenCountChanged(int)), this, SLOT(updateScene()));
+
+ updateScene();
+
+ QTransform transform;
+ transform.scale(0.25, 0.25);
+ setTransform(transform);
+
+ setBackgroundBrush(Qt::darkGray);
+ }
+
+protected:
+ void moveEvent(QMoveEvent *e)
+ {
+ if (that) {
+ that->setRect(appRect());
+ scene->update();
+ }
+ QGraphicsView::moveEvent(e);
+ }
+ void resizeEvent(QResizeEvent *e)
+ {
+ if (that) {
+ that->setRect(appRect());
+ }
+ QGraphicsView::resizeEvent(e);
+ }
+
+private slots:
+ void updateScene()
+ {
+ scene->clear();
+
+ const QDesktopWidget *desktop = QApplication::desktop();
+ const bool isVirtualDesktop = desktop->isVirtualDesktop();
+ const int homeScreen = desktop->screenNumber(this);
+
+ QRect sceneRect;
+ int screenCount = desktop->screenCount();
+ for (int s = 0; s < screenCount; ++s) {
+ const bool isPrimary = desktop->primaryScreen() == s;
+ const QRect screenRect = desktop->screenGeometry(s);
+ const QRect workRect = desktop->availableGeometry(s);
+ const QBrush fillBrush = palette().brush(isPrimary ? QPalette::Active : QPalette::Inactive, QPalette::Highlight);
+ QGraphicsRectItem *screen = new QGraphicsRectItem(0, 0, screenRect.width(), screenRect.height());
+
+ if (isVirtualDesktop) {
+ thatRoot = QPoint();
+ screen->setPos(screenRect.x(), screenRect.y());
+ } else {
+ // for non-virtual desktops we assume that screens are
+ // simply next to each other
+ if (s)
+ screen->setPos(sceneRect.right(), 0);
+ if (s == homeScreen)
+ thatRoot = screen->pos().toPoint();
+ }
+
+ screen->setBrush(fillBrush);
+ scene->addItem(screen);
+ sceneRect.setLeft(qMin(sceneRect.left(), screenRect.left()));
+ sceneRect.setRight(qMax(sceneRect.right(), screenRect.right()));
+ sceneRect.setTop(qMin(sceneRect.top(), screenRect.top()));
+ sceneRect.setBottom(qMax(sceneRect.bottom(), screenRect.bottom()));
+
+ QGraphicsRectItem *workArea = new QGraphicsRectItem(screen);
+ workArea->setRect(0, 0, workRect.width(), workRect.height());
+ workArea->setPos(workRect.x() - screenRect.x(), workRect.y() - screenRect.y());
+ workArea->setBrush(Qt::white);
+
+ QGraphicsSimpleTextItem *screenNumber = new QGraphicsSimpleTextItem(workArea);
+ screenNumber->setText(QString::number(s));
+ screenNumber->setPen(QPen(Qt::black, 1));
+ screenNumber->setBrush(fillBrush);
+ screenNumber->setFont(QFont("Arial Black", 18));
+ screenNumber->setTransform(QTransform().scale(10, 10));
+ screenNumber->setTransformOrigin(screenNumber->boundingRect().center());
+ QSizeF center = (workRect.size() - screenNumber->boundingRect().size()) / 2;
+ screenNumber->setPos(center.width(), center.height());
+
+ screen->show();
+ screen->setZValue(1);
+ }
+
+ if (isVirtualDesktop) {
+ QGraphicsRectItem *virtualDesktop = new QGraphicsRectItem;
+ virtualDesktop->setRect(sceneRect);
+ virtualDesktop->setPen(QPen(Qt::black));
+ virtualDesktop->setBrush(Qt::DiagCrossPattern);
+ scene->addItem(virtualDesktop);
+ virtualDesktop->setZValue(-1);
+ virtualDesktop->show();
+ }
+
+ that = new QGraphicsRectItem;
+ that->setBrush(Qt::red);
+ that->setOpacity(0.5);
+ that->setZValue(2);
+ that->setRect(appRect());
+ that->show();
+ scene->addItem(that);
+
+ scene->setSceneRect(sceneRect);
+ scene->update();
+ }
+
+ QRect appRect() const
+ {
+ QRect rect = frameGeometry();
+ if (!QApplication::desktop()->isVirtualDesktop()) {
+ rect.translate(thatRoot);
+ }
+ return rect;
+ }
+
+private:
+ QGraphicsScene *scene;
+ QGraphicsRectItem *that;
+ QPoint thatRoot;
+};
+
+#include "main.moc"
+
+int main(int argc, char **argv)
+{
+ QApplication app(argc, argv);
+
+ DesktopView view;
+ view.show();
+
+ return app.exec();
+}
diff --git a/tests/manual/qdesktopwidget/qdesktopwidget.pro b/tests/manual/qdesktopwidget/qdesktopwidget.pro
new file mode 100644
index 0000000..93d56eb
--- /dev/null
+++ b/tests/manual/qdesktopwidget/qdesktopwidget.pro
@@ -0,0 +1,2 @@
+TEMPLATE = app
+SOURCES += main.cpp