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tst_NoQtEventLoop: Pass with High DPI scaling active 

- Determine window sizes according to screen size and turn off
  scrolling.
- Center the window to get it out of the way of taskbars.
- Make the window top-most.
- Turn off scaling so that coordinates passed to the QWindow
  child match device coordinates and the child is positioned
  correctly.
- Make the child window a yellow raster window for easier
  debugging.

Task-number: QTBUG-45956
Change-Id: I05864770f8ed638d0a36f3e3f2afed73d2952436
Reviewed-by: Oliver Wolff <oliver.wolff@qt.io>
bb10
Friedemann Kleint 2017-07-18 11:15:49 +02:00 committed by Simon Hausmann
parent 441ad9b938
commit 959cc53b61
1 changed files with 33 additions and 6 deletions
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39
tests/auto/gui/kernel/noqteventloop/tst_noqteventloop.cpp
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@ -31,12 +31,17 @@
#include <QEvent>
#include <QtCore/qthread.h>
#include <QtGui/qguiapplication.h>
#include <QtGui/qpainter.h>
#include <QtGui/qrasterwindow.h>
#include <QtNetwork/qtcpserver.h>
#include <QtNetwork/qtcpsocket.h>
#include <QtCore/qelapsedtimer.h>
#include <QtCore/qt_windows.h>
static const int topVerticalMargin = 50;
static const int margin = 10;
class tst_NoQtEventLoop : public QObject
{
Q_OBJECT
@ -47,10 +52,10 @@ private slots:
};
class Window : public QWindow
class Window : public QRasterWindow
{
public:
Window(QWindow *parentWindow = 0) : QWindow(parentWindow)
explicit Window(QWindow *parentWindow = nullptr) : QRasterWindow(parentWindow)
{
}
@ -72,6 +77,13 @@ public:
QHash<QEvent::Type, int> m_received;
protected:
void paintEvent(QPaintEvent *) override
{
QPainter p(this);
p.fillRect(QRect(QPoint(0, 0), size()), Qt::yellow);
}
};
bool g_exit = false;
@ -174,7 +186,8 @@ public:
QTRY_COMPARE(m_childWindow->received(QEvent::MouseButtonPress) + m_childWindow->received(QEvent::MouseButtonRelease), 0);
// Now click in the QWindow. The QWindow should receive those events.
m_windowPos.ry() += 50;
m_windowPos.rx() += margin;
m_windowPos.ry() += topVerticalMargin;
mouseMove(m_windowPos);
::Sleep(150);
mouseClick();
@ -204,6 +217,8 @@ void tst_NoQtEventLoop::consumeMouseEvents()
{
int argc = 1;
char *argv[] = {const_cast<char*>("test")};
// ensure scaling is off since the child window is positioned using QWindow API.
QCoreApplication::setAttribute(Qt::AA_DisableHighDpiScaling);
QGuiApplication app(argc, argv);
QString clsName(QStringLiteral("tst_NoQtEventLoop_WINDOW"));
const HINSTANCE appInstance = (HINSTANCE)GetModuleHandle(0);
@ -225,16 +240,28 @@ void tst_NoQtEventLoop::consumeMouseEvents()
QVERIFY2(atom, "RegisterClassEx failed");
DWORD dwExStyle = WS_EX_APPWINDOW;
DWORD dwStyle = WS_CAPTION | WS_HSCROLL | WS_TABSTOP | WS_VISIBLE;
DWORD dwStyle = WS_CAPTION | WS_TABSTOP | WS_VISIBLE;
HWND mainWnd = ::CreateWindowEx(dwExStyle, (wchar_t*)clsName.utf16(), TEXT("tst_NoQtEventLoop"), dwStyle, 100, 100, 300, 300, 0, NULL, appInstance, NULL);
const int screenWidth = ::GetSystemMetrics(SM_CXSCREEN);
const int screenHeight = ::GetSystemMetrics(SM_CYSCREEN);
const int width = screenWidth / 4;
const int height = screenHeight / 4;
HWND mainWnd =
::CreateWindowEx(dwExStyle, reinterpret_cast<const wchar_t*>(clsName.utf16()),
TEXT("tst_NoQtEventLoop"), dwStyle,
(screenWidth - width) / 2, (screenHeight - height) / 2 , width, height,
0, NULL, appInstance, NULL);
QVERIFY2(mainWnd, "CreateWindowEx failed");
::ShowWindow(mainWnd, SW_SHOW);
::SetWindowPos(mainWnd, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE);
Window *childWindow = new Window;
childWindow->setParent(QWindow::fromWinId((WId)mainWnd));
childWindow->setGeometry(0, 50, 200, 200);
childWindow->setGeometry(margin, topVerticalMargin,
width - 2 * margin, height - margin - topVerticalMargin);
childWindow->show();
TestThread *testThread = new TestThread(mainWnd, childWindow);