qt6-bb10/src/plugins/platforms/windows/qwindowsintegration.cpp

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**
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**
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#include "qwindowsintegration.h"
#include "qwindowsbackingstore.h"
#include "qwindowswindow.h"
#include "qwindowscontext.h"
#if defined(QT_OPENGL_ES_2)
# include "qwindowseglcontext.h"
# include <QtGui/QOpenGLContext>
#elif !defined(QT_NO_OPENGL)
# include "qwindowsglcontext.h"
#endif
#include "qwindowsscreen.h"
#include "qwindowstheme.h"
#include "qwindowsservices.h"
#ifndef QT_NO_FREETYPE
# include "qwindowsfontdatabase_ft.h"
#endif
#include "qwindowsfontdatabase.h"
#include "qwindowsguieventdispatcher.h"
#ifndef QT_NO_CLIPBOARD
# include "qwindowsclipboard.h"
#endif
#include "qwindowsdrag.h"
#include "qwindowsinputcontext.h"
#include "qwindowskeymapper.h"
# ifndef QT_NO_ACCESSIBILITY
#include "accessible/qwindowsaccessibility.h"
#endif
#include <qpa/qplatformnativeinterface.h>
#include <qpa/qwindowsysteminterface.h>
#include <QtGui/QBackingStore>
#include <QtGui/private/qpixmap_raster_p.h>
#include <QtGui/private/qguiapplication_p.h>
#include <QtCore/private/qeventdispatcher_win_p.h>
#include <QtCore/QDebug>
QT_BEGIN_NAMESPACE
/*!
\class QWindowsNativeInterface
\brief Provides access to native handles.
Currently implemented keys
\list
\li handle (HWND)
\li getDC (DC)
\li releaseDC Releases the previously acquired DC and returns 0.
\endlist
\internal
\ingroup qt-lighthouse-win
*/
class QWindowsNativeInterface : public QPlatformNativeInterface
{
Q_OBJECT
public:
#ifndef QT_NO_OPENGL
virtual void *nativeResourceForContext(const QByteArray &resource, QOpenGLContext *context);
#endif
virtual void *nativeResourceForWindow(const QByteArray &resource, QWindow *window);
virtual void *nativeResourceForBackingStore(const QByteArray &resource, QBackingStore *bs);
Q_INVOKABLE void *createMessageWindow(const QString &classNameTemplate,
const QString &windowName,
void *eventProc) const;
};
void *QWindowsNativeInterface::nativeResourceForWindow(const QByteArray &resource, QWindow *window)
{
if (!window || !window->handle()) {
qWarning("%s: '%s' requested for null window or window without handle.", __FUNCTION__, resource.constData());
return 0;
}
QWindowsWindow *bw = static_cast<QWindowsWindow *>(window->handle());
if (resource == "handle")
return bw->handle();
if (window->surfaceType() == QWindow::RasterSurface) {
if (resource == "getDC")
return bw->getDC();
if (resource == "releaseDC") {
bw->releaseDC();
return 0;
}
}
qWarning("%s: Invalid key '%s' requested.", __FUNCTION__, resource.constData());
return 0;
}
void *QWindowsNativeInterface::nativeResourceForBackingStore(const QByteArray &resource, QBackingStore *bs)
{
if (!bs || !bs->handle()) {
qWarning("%s: '%s' requested for null backingstore or backingstore without handle.", __FUNCTION__, resource.constData());
return 0;
}
QWindowsBackingStore *wbs = static_cast<QWindowsBackingStore *>(bs->handle());
if (resource == "getDC")
return wbs->getDC();
qWarning("%s: Invalid key '%s' requested.", __FUNCTION__, resource.constData());
return 0;
}
#ifndef QT_NO_OPENGL
void *QWindowsNativeInterface::nativeResourceForContext(const QByteArray &resource, QOpenGLContext *context)
{
if (!context || !context->handle()) {
qWarning("%s: '%s' requested for null context or context without handle.", __FUNCTION__, resource.constData());
return 0;
}
#ifdef QT_OPENGL_ES_2
QWindowsEGLContext *windowsEglContext = static_cast<QWindowsEGLContext *>(context->handle());
if (resource == QByteArrayLiteral("eglDisplay"))
return windowsEglContext->eglDisplay();
if (resource == QByteArrayLiteral("eglContext"))
return windowsEglContext->eglContext();
if (resource == QByteArrayLiteral("eglConfig"))
return windowsEglContext->eglConfig();
#else // QT_OPENGL_ES_2
QWindowsGLContext *windowsContext = static_cast<QWindowsGLContext *>(context->handle());
if (resource == QByteArrayLiteral("renderingContext"))
return windowsContext->renderingContext();
#endif // !QT_OPENGL_ES_2
qWarning("%s: Invalid key '%s' requested.", __FUNCTION__, resource.constData());
return 0;
}
#endif // !QT_NO_OPENGL
/*!
\brief Creates a non-visible window handle for filtering messages.
*/
void *QWindowsNativeInterface::createMessageWindow(const QString &classNameTemplate,
const QString &windowName,
void *eventProc) const
{
QWindowsContext *ctx = QWindowsContext::instance();
const HWND hwnd = ctx->createDummyWindow(classNameTemplate,
(wchar_t*)windowName.utf16(),
(WNDPROC)eventProc);
return hwnd;
}
/*!
\class QWindowsIntegration
\brief QPlatformIntegration implementation for Windows.
\internal
\section1 Programming Considerations
The platform plugin should run on Desktop Windows from Windows XP onwards
and Windows Embedded.
It should compile with:
\list
\li Microsoft Visual Studio 2008 or later (using the Microsoft Windows SDK,
(\c Q_CC_MSVC).
\li Stock \l{http://mingw.org/}{MinGW} (\c Q_CC_MINGW).
This version ships with headers that are missing a lot of WinAPI.
\li MinGW distributions using GCC 4.7 or higher and a recent MinGW-w64 runtime API,
such as \l{http://tdm-gcc.tdragon.net/}{TDM-GCC}, or
\l{http://mingwbuilds.sourceforge.net/}{MinGW-builds}
(\c Q_CC_MINGW and \c __MINGW64_VERSION_MAJOR indicating the version).
MinGW-w64 provides more complete headers (compared to stock MinGW from mingw.org),
including a considerable part of the Windows SDK.
\li Visual Studio 2008 for Windows Embedded (\c Q_OS_WINCE).
\endlist
The file \c qtwindows_additional.h contains defines and declarations that
are missing in MinGW. When encountering missing declarations, it should
be added there so that \c #ifdefs for MinGW can be avoided. Similarly,
\c qplatformfunctions_wince.h contains defines and declarations for
Windows Embedded.
When using a function from the WinAPI, the minimum supported Windows version
and Windows Embedded support should be checked. If the function is not supported
on Windows XP or is not present in the MinGW-headers, it should be dynamically
resolved. For this purpose, QWindowsContext has static structs like
QWindowsUser32DLL and QWindowsShell32DLL. All function pointers should go to
these structs to avoid lookups in several places.
\ingroup qt-lighthouse-win
*/
struct QWindowsIntegrationPrivate
{
#if defined(QT_OPENGL_ES_2)
typedef QSharedPointer<QWindowsEGLStaticContext> QEGLStaticContextPtr;
#elif !defined(QT_NO_OPENGL)
typedef QSharedPointer<QOpenGLStaticContext> QOpenGLStaticContextPtr;
#endif
explicit QWindowsIntegrationPrivate(const QStringList &paramList);
~QWindowsIntegrationPrivate();
const unsigned m_options;
QWindowsContext m_context;
QPlatformFontDatabase *m_fontDatabase;
QWindowsNativeInterface m_nativeInterface;
#ifndef QT_NO_CLIPBOARD
QWindowsClipboard m_clipboard;
#endif
QWindowsDrag m_drag;
QWindowsGuiEventDispatcher *m_eventDispatcher;
#if defined(QT_OPENGL_ES_2)
QEGLStaticContextPtr m_staticEGLContext;
#elif !defined(QT_NO_OPENGL)
QOpenGLStaticContextPtr m_staticOpenGLContext;
#endif
QWindowsInputContext m_inputContext;
#ifndef QT_NO_ACCESSIBILITY
QWindowsAccessibility m_accessibility;
#endif
QWindowsServices m_services;
};
static inline unsigned parseOptions(const QStringList &paramList)
{
unsigned options = 0;
foreach (const QString &param, paramList) {
if (param.startsWith(QLatin1String("fontengine="))) {
if (param.endsWith(QLatin1String("freetype"))) {
options |= QWindowsIntegration::FontDatabaseFreeType;
} else if (param.endsWith(QLatin1String("native"))) {
options |= QWindowsIntegration::FontDatabaseNative;
}
} else if (param == QLatin1String("gl=gdi")) {
options |= QWindowsIntegration::DisableArb;
}
}
return options;
}
QWindowsIntegrationPrivate::QWindowsIntegrationPrivate(const QStringList &paramList)
: m_options(parseOptions(paramList))
, m_fontDatabase(0)
, m_eventDispatcher(new QWindowsGuiEventDispatcher)
{
}
QWindowsIntegrationPrivate::~QWindowsIntegrationPrivate()
{
if (m_fontDatabase)
delete m_fontDatabase;
}
QWindowsIntegration::QWindowsIntegration(const QStringList &paramList) :
d(new QWindowsIntegrationPrivate(paramList))
{
QGuiApplicationPrivate::instance()->setEventDispatcher(d->m_eventDispatcher);
#ifndef QT_NO_CLIPBOARD
d->m_clipboard.registerViewer();
#endif
d->m_context.screenManager().handleScreenChanges();
}
QWindowsIntegration::~QWindowsIntegration()
{
if (QWindowsContext::verboseIntegration)
qDebug("%s", __FUNCTION__);
}
bool QWindowsIntegration::hasCapability(QPlatformIntegration::Capability cap) const
{
switch (cap) {
case ThreadedPixmaps:
return true;
#ifndef QT_NO_OPENGL
case OpenGL:
return true;
case ThreadedOpenGL:
# ifdef QT_OPENGL_ES_2
return QWindowsEGLContext::hasThreadedOpenGLCapability();
# else
return true;
# endif // QT_OPENGL_ES_2
#endif // !QT_NO_OPENGL
case WindowMasks:
return true;
default:
return QPlatformIntegration::hasCapability(cap);
}
return false;
}
QPlatformPixmap *QWindowsIntegration::createPlatformPixmap(QPlatformPixmap::PixelType type) const
{
return new QRasterPlatformPixmap(type);
}
QPlatformWindow *QWindowsIntegration::createPlatformWindow(QWindow *window) const
{
QWindowsWindow::WindowData requested;
requested.flags = window->windowFlags();
requested.geometry = window->geometry();
const QWindowsWindow::WindowData obtained
= QWindowsWindow::WindowData::create(window, requested, window->windowTitle());
if (QWindowsContext::verboseIntegration || QWindowsContext::verboseWindows)
qDebug().nospace()
<< __FUNCTION__ << '<' << window << '\n'
<< " Requested: " << requested.geometry << "frame incl.: "
<< QWindowsGeometryHint::positionIncludesFrame(window)
<< " Flags="
<< QWindowsWindow::debugWindowFlags(requested.flags) << '\n'
<< " Obtained : " << obtained.geometry << " Margins "
<< obtained.frame << " Flags="
<< QWindowsWindow::debugWindowFlags(obtained.flags)
<< " Handle=" << obtained.hwnd << '\n';
if (!obtained.hwnd)
return 0;
if (requested.flags != obtained.flags)
window->setWindowFlags(obtained.flags);
return new QWindowsWindow(window, obtained);
}
QPlatformBackingStore *QWindowsIntegration::createPlatformBackingStore(QWindow *window) const
{
if (QWindowsContext::verboseIntegration)
qDebug() << __FUNCTION__ << window;
return new QWindowsBackingStore(window);
}
#ifndef QT_NO_OPENGL
QPlatformOpenGLContext
*QWindowsIntegration::createPlatformOpenGLContext(QOpenGLContext *context) const
{
if (QWindowsContext::verboseIntegration)
qDebug() << __FUNCTION__ << context->format();
#ifdef QT_OPENGL_ES_2
if (d->m_staticEGLContext.isNull()) {
QWindowsEGLStaticContext *staticContext = QWindowsEGLStaticContext::create();
if (!staticContext)
return 0;
d->m_staticEGLContext = QSharedPointer<QWindowsEGLStaticContext>(staticContext);
}
return new QWindowsEGLContext(d->m_staticEGLContext, context->format(), context->handle());
#else // QT_OPENGL_ES_2
if (d->m_staticOpenGLContext.isNull())
d->m_staticOpenGLContext =
QSharedPointer<QOpenGLStaticContext>(QOpenGLStaticContext::create());
QScopedPointer<QWindowsGLContext> result(new QWindowsGLContext(d->m_staticOpenGLContext, context));
if (result->isValid())
return result.take();
return 0;
#endif // !QT_OPENGL_ES_2
}
#endif // !QT_NO_OPENGL
/* Workaround for QTBUG-24205: In 'Auto', pick the FreeType engine for
* QML2 applications. */
#ifdef Q_OS_WINCE
// It's not easy to detect if we are running a QML application
// Let's try to do so by checking if the QtQuick module is loaded.
inline bool isQMLApplication()
{
// check if the QtQuick library is loaded
#ifdef _DEBUG
HMODULE handle = GetModuleHandle(L"QtQuick" QT_LIBINFIX L"d5.dll");
#else
HMODULE handle = GetModuleHandle(L"QtQuick" QT_LIBINFIX L"5.dll");
#endif
return (handle != NULL);
}
#endif
QPlatformFontDatabase *QWindowsIntegration::fontDatabase() const
{
if (!d->m_fontDatabase) {
#ifdef QT_NO_FREETYPE
d->m_fontDatabase = new QWindowsFontDatabase();
#else // QT_NO_FREETYPE
if (d->m_options & QWindowsIntegration::FontDatabaseFreeType) {
d->m_fontDatabase = new QWindowsFontDatabaseFT;
} else if (d->m_options & QWindowsIntegration::FontDatabaseNative){
d->m_fontDatabase = new QWindowsFontDatabase;
} else {
#ifndef Q_OS_WINCE
d->m_fontDatabase = new QWindowsFontDatabase;
#else
if (isQMLApplication()) {
if (QWindowsContext::verboseIntegration) {
qDebug() << "QML application detected, using FreeType rendering";
}
d->m_fontDatabase = new QWindowsFontDatabaseFT;
}
else
d->m_fontDatabase = new QWindowsFontDatabase;
#endif
}
#endif // QT_NO_FREETYPE
}
return d->m_fontDatabase;
}
#ifdef SPI_GETKEYBOARDSPEED
static inline int keyBoardAutoRepeatRateMS()
{
DWORD time = 0;
if (SystemParametersInfo(SPI_GETKEYBOARDSPEED, 0, &time, 0))
return time ? 1000 / static_cast<int>(time) : 500;
return 30;
}
#endif
QVariant QWindowsIntegration::styleHint(QPlatformIntegration::StyleHint hint) const
{
switch (hint) {
case QPlatformIntegration::CursorFlashTime:
if (const unsigned timeMS = GetCaretBlinkTime())
return QVariant(int(timeMS));
break;
#ifdef SPI_GETKEYBOARDSPEED
case KeyboardAutoRepeatRate:
return QVariant(keyBoardAutoRepeatRateMS());
#endif
case QPlatformIntegration::StartDragTime:
case QPlatformIntegration::StartDragDistance:
case QPlatformIntegration::KeyboardInputInterval:
case QPlatformIntegration::ShowIsFullScreen:
case QPlatformIntegration::PasswordMaskDelay:
case QPlatformIntegration::StartDragVelocity:
case QPlatformIntegration::SynthesizeMouseFromTouchEvents:
break; // Not implemented
case QPlatformIntegration::FontSmoothingGamma:
return QVariant(QWindowsFontDatabase::fontSmoothingGamma());
case QPlatformIntegration::MouseDoubleClickInterval:
if (const int ms = GetDoubleClickTime())
return QVariant(ms);
break;
case QPlatformIntegration::UseRtlExtensions:
return QVariant(d->m_context.useRTLExtensions());
}
return QPlatformIntegration::styleHint(hint);
}
Qt::KeyboardModifiers QWindowsIntegration::queryKeyboardModifiers() const
{
return QWindowsKeyMapper::queryKeyboardModifiers();
}
QList<int> QWindowsIntegration::possibleKeys(const QKeyEvent *e) const
{
return d->m_context.possibleKeys(e);
}
QPlatformNativeInterface *QWindowsIntegration::nativeInterface() const
{
return &d->m_nativeInterface;
}
#ifndef QT_NO_CLIPBOARD
QPlatformClipboard * QWindowsIntegration::clipboard() const
{
return &d->m_clipboard;
}
#endif // !QT_NO_CLIPBOARD
QPlatformDrag *QWindowsIntegration::drag() const
{
return &d->m_drag;
}
QPlatformInputContext * QWindowsIntegration::inputContext() const
{
return &d->m_inputContext;
}
#ifndef QT_NO_ACCESSIBILITY
QPlatformAccessibility *QWindowsIntegration::accessibility() const
{
return &d->m_accessibility;
}
#endif
QWindowsIntegration *QWindowsIntegration::instance()
{
return static_cast<QWindowsIntegration *>(QGuiApplicationPrivate::platformIntegration());
}
unsigned QWindowsIntegration::options() const
{
return d->m_options;
}
QAbstractEventDispatcher * QWindowsIntegration::guiThreadEventDispatcher() const
{
return d->m_eventDispatcher;
}
QStringList QWindowsIntegration::themeNames() const
{
return QStringList(QLatin1String(QWindowsTheme::name));
}
QPlatformTheme *QWindowsIntegration::createPlatformTheme(const QString &name) const
{
if (name == QLatin1String(QWindowsTheme::name))
return new QWindowsTheme;
return QPlatformIntegration::createPlatformTheme(name);
}
QPlatformServices *QWindowsIntegration::services() const
{
return &d->m_services;
}
QT_END_NAMESPACE
#include "qwindowsintegration.moc"