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QScreen manual test: add MouseMonitor to test multi-screen scenarios

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- QMouseEvent::screenPos() should be global desktop position
- QDesktopWidget::screenNumber() should tell the correct screen
- QGuiApplication::topLevelAt(screenPos) should find the window where
  the mouse is clicked

Change-Id: I9a63ab3ee1944b7246551d0f3d5e37f0d2aa5457
Reviewed-by: Błażej Szczygieł <spaz16@wp.pl>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@theqtcompany.com>
This commit is contained in:
Shawn Rutledge 2016-01-06 14:47:00 +01:00 committed by Shawn Rutledge
parent 4ac0686a6b
commit 3c08035b7b
1 changed files with 67 additions and 0 deletions
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67
tests/manual/qscreen/main.cpp
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@ -45,6 +45,61 @@
#include <QStatusBar>
#include <QLineEdit>
#include <QDesktopWidget>
#include <QPushButton>
#include <QLabel>
#include <QMouseEvent>
class MouseMonitor : public QLabel {
Q_OBJECT
public:
MouseMonitor() : m_grabbed(false) {
setMinimumSize(540, 240);
setAlignment(Qt::AlignCenter);
setMouseTracking(true);
setWindowTitle(QLatin1String("Mouse Monitor"));
updateText();
}
void updateText() {
QString txt = m_grabbed ?
QLatin1String("Left-click to test QGuiApplication::topLevelAt(click pos)\nRight-click to ungrab\n") :
QLatin1String("Left-click to grab mouse\n");
if (!m_cursorPos.isNull()) {
txt += QString(QLatin1String("Current mouse position: %1, %2 on screen %3\n"))
.arg(m_cursorPos.x()).arg(m_cursorPos.y()).arg(QApplication::desktop()->screenNumber(m_cursorPos));
if (QGuiApplication::mouseButtons() & Qt::LeftButton) {
QWindow *win = QGuiApplication::topLevelAt(m_cursorPos);
txt += QString(QLatin1String("Top-level window found? %1\n"))
.arg(win ? (win->title().isEmpty() ? "no title" : win->title()) : "none");
}
}
setText(txt);
}
protected:
void mouseMoveEvent(QMouseEvent *ev) Q_DECL_OVERRIDE {
m_cursorPos = ev->screenPos().toPoint();
updateText();
}
void mousePressEvent(QMouseEvent *ev) Q_DECL_OVERRIDE {
m_cursorPos = ev->screenPos().toPoint();
qDebug() << "top level @" << m_cursorPos << ":" << QGuiApplication::topLevelAt(m_cursorPos);
updateText();
if (!m_grabbed) {
grabMouse(Qt::CrossCursor);
m_grabbed = true;
} else if (ev->button() == Qt::RightButton) {
setVisible(false);
deleteLater();
}
}
private:
QPoint m_cursorPos;
bool m_grabbed;
};
class ScreenPropertyWatcher : public PropertyWatcher
{
@ -101,6 +156,7 @@ public:
protected:
bool event(QEvent *event) Q_DECL_OVERRIDE;
void startMouseMonitor();
private:
const QString m_annotation;
@ -124,6 +180,11 @@ ScreenWatcherMainWindow::ScreenWatcherMainWindow(QScreen *screen)
a = fileMenu->addAction(QLatin1String("Quit"));
a->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
connect(a, SIGNAL(triggered()), qApp, SLOT(quit()));
QMenu *toolsMenu = menuBar()->addMenu(QLatin1String("&Tools"));
a = toolsMenu->addAction(QLatin1String("Mouse Monitor"));
a->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_M));
connect(a, &QAction::triggered, this, &ScreenWatcherMainWindow::startMouseMonitor);
}
static inline QString msgScreenChange(const QWidget *w, const QScreen *oldScreen, const QScreen *newScreen)
@ -159,6 +220,12 @@ bool ScreenWatcherMainWindow::event(QEvent *event)
return QMainWindow::event(event);
}
void ScreenWatcherMainWindow::startMouseMonitor()
{
MouseMonitor *mm = new MouseMonitor();
mm->show();
}
void screenAdded(QScreen* screen)
{
screen->setOrientationUpdateMask((Qt::ScreenOrientations)0x0F);