Qt
Internal/Contributor docs for the Qt SDK. <b>Note:</b> These are NOT official API docs; those are found <a href='https://doc.qt.io/'>here</a>.
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qwindowswindow.cpp File Reference

(95d4e6bababfeb36fa8a355a8487b64eb3ffb587)

#include <QtCore/qt_windows.h>
#include "qwindowswindow.h"
#include "qwindowscontext.h"
#include "qwindowstheme.h"
#include "qwindowsscreen.h"
#include "qwindowsintegration.h"
#include "qwindowsmenu.h"
#include "qwindowsnativeinterface.h"
#include "qwindowsopenglcontext.h"
#include "qwindowsopengltester.h"
#include <QtGui/qguiapplication.h>
#include <QtGui/qscreen.h>
#include <QtGui/qwindow.h>
#include <QtGui/qregion.h>
#include <QtGui/qopenglcontext.h>
#include <QtGui/private/qwindowsthemecache_p.h>
#include <private/qwindow_p.h>
#include <private/qguiapplication_p.h>
#include <private/qhighdpiscaling_p.h>
#include <qpa/qwindowsysteminterface.h>
#include <QtCore/qdebug.h>
#include <QtCore/qlibraryinfo.h>
#include <dwmapi.h>
#include <shellscalingapi.h>
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Go to the source code of this file.

Classes

class  WindowCreationData
 Window creation code. More...
 

Macros

#define GWL_HWNDPARENT   (-8)
 

Typedefs

using QWindowCreationContextPtr = QSharedPointer<QWindowCreationContext>
 

Enumerations

enum  { defaultWindowWidth = 160 , defaultWindowHeight = 160 }
 
enum  : WORD { DwmwaUseImmersiveDarkMode = 20 , DwmwaUseImmersiveDarkModeBefore20h1 = 19 }
 

Functions

Q_GUI_EXPORT HICON qt_pixmapToWinHICON (const QPixmap &)
 
static QByteArray debugWinStyle (DWORD style)
 
static QByteArray debugWinExStyle (DWORD exStyle)
 
static QByteArray debugWinSwpPos (UINT flags)
 
static QByteArray debugWindowPlacementFlags (const UINT flags)
 
static QByteArray debugShowWindowCmd (const UINT cmd)
 
static QSize qSizeOfRect (const RECT &rect)
 
static QRect qrectFromRECT (const RECT &rect)
 
static RECT RECTfromQRect (const QRect &rect)
 
QDebug operator<< (QDebug d, const RECT &r)
 
QDebug operator<< (QDebug d, const POINT &p)
 
QDebug operator<< (QDebug d, const WINDOWPOS &wp)
 
QDebug operator<< (QDebug d, const NCCALCSIZE_PARAMS &p)
 
QDebug operator<< (QDebug d, const MINMAXINFO &i)
 
QDebug operator<< (QDebug d, const WINDOWPLACEMENT &wp)
 
QDebug operator<< (QDebug d, const GUID &guid)
 
static void formatBriefRectangle (QDebug &d, const QRect &r)
 
static void formatBriefMargins (QDebug &d, const QMargins &m)
 
static QPoint windowPlacementOffset (HWND hwnd, const QPoint &point)
 
static QRect frameGeometry (HWND hwnd, bool topLevel)
 
static QWindow::Visibility windowVisibility_sys (HWND hwnd)
 
static bool windowIsAccelerated (const QWindow *w)
 
static bool applyBlurBehindWindow (HWND hwnd)
 
static bool shouldShowMaximizeButton (const QWindow *w, Qt::WindowFlags flags)
 
static void setWindowOpacity (HWND hwnd, Qt::WindowFlags flags, bool hasAlpha, bool accelerated, qreal level)
 
static void updateGLWindowSettings (const QWindow *w, HWND hwnd, Qt::WindowFlags flags, qreal opacity)
 
static int getResizeBorderThickness (const UINT dpi)
 
static QMargins invisibleMargins (QPoint screenPoint)
 Calculates the dimensions of the invisible borders within the window frames which only exist on Windows 10 and onwards.
 
static QMargins invisibleMargins (const HWND hwnd)
 
QDebug operator<< (QDebug debug, const WindowCreationData &d)
 
static void fixTopLevelWindowFlags (Qt::WindowFlags &flags)
 
static QScreenscreenForDeviceName (const QWindow *w, const QString &name)
 
static QPoint calcPosition (const QWindow *w, const QWindowCreationContextPtr &context, const QMargins &invMargins)
 
static bool shouldApplyDarkFrame (const QWindow *w)
 
static QSize toNativeSizeConstrained (QSize dip, const QScreen *s)
 
static bool shouldOmitFrameAdjustment (const Qt::WindowFlags flags, DWORD style)
 
static bool shouldOmitFrameAdjustment (const Qt::WindowFlags flags, HWND hwnd)
 
static bool testShowWithoutActivating (const QWindow *window)
 
static void setMinimizedGeometry (HWND hwnd, const QRect &r)
 
static void setRestoreMaximizedFlag (HWND hwnd, bool set=true)
 
static QRect normalFrameGeometry (HWND hwnd)
 
static QString msgUnableToSetGeometry (const QWindowsWindow *platformWindow, const QRect &requestedRect, const QRect &obtainedRect, const QMargins &fullMargins, const QMargins &customMargins)
 
static bool equalDpi (const QDpi &d1, const QDpi &d2)
 
static bool isSoftwareGl ()
 
static HRGN createRectRegion (const QRect &r)
 
static void addRectToWinRegion (const QRect &rect, HRGN *winRegion)
 
static HRGN qRegionToWinRegion (const QRegion &region)
 
static DWORD edgesToWinOrientation (Qt::Edges edges)
 
static CursorHandlePtr defaultCursor (const QWindow *w)
 
static bool applyNewCursor (const QWindow *w)
 
static HICON createHIcon (const QIcon &icon, int xSize, int ySize)
 

Macro Definition Documentation

◆ GWL_HWNDPARENT

#define GWL_HWNDPARENT   (-8)

Definition at line 1815 of file qwindowswindow.cpp.

Typedef Documentation

◆ QWindowCreationContextPtr

Enumeration Type Documentation

◆ anonymous enum

anonymous enum
Enumerator
defaultWindowWidth 
defaultWindowHeight 

Definition at line 52 of file qwindowswindow.cpp.

◆ anonymous enum

anonymous enum : WORD
Enumerator
DwmwaUseImmersiveDarkMode 
DwmwaUseImmersiveDarkModeBefore20h1 

Definition at line 3291 of file qwindowswindow.cpp.

Function Documentation

◆ addRectToWinRegion()

static void addRectToWinRegion ( const QRect & rect,
HRGN * winRegion )
inlinestatic

Definition at line 2867 of file qwindowswindow.cpp.

References createRectRegion(), and rect.

Referenced by qRegionToWinRegion().

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◆ applyBlurBehindWindow()

static bool applyBlurBehindWindow ( HWND hwnd)
static

Definition at line 442 of file qwindowswindow.cpp.

Referenced by QWindowsWindow::handleCompositionSettingsChanged(), and updateGLWindowSettings().

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◆ applyNewCursor()

static bool applyNewCursor ( const QWindow * w)
inlinestatic

Definition at line 3136 of file qwindowswindow.cpp.

References QWindowsWindow::cursor(), QWindowsContext::instance(), CursorHandle::isNull(), and QWindowsWindow::windowsWindowOf().

Referenced by QWindowsWindow::setCursor().

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◆ calcPosition()

static QPoint calcPosition ( const QWindow * w,
const QWindowCreationContextPtr & context,
const QMargins & invMargins )
static

Definition at line 664 of file qwindowswindow.cpp.

References QPlatformScreen::availableGeometry(), QMargins::bottom(), context, QWindowsWindow::forcedScreenForGLWindow(), QScreen::handle(), QMargins::left(), qMax(), QMargins::right(), screen, QMargins::top(), Qt::Window, QPoint::x(), and QPoint::y().

Referenced by WindowCreationData::create().

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◆ createHIcon()

static HICON createHIcon ( const QIcon & icon,
int xSize,
int ySize )
static

Definition at line 3257 of file qwindowswindow.cpp.

References QIcon::actualSize(), icon, QIcon::isNull(), QPixmap::isNull(), QIcon::pixmap(), and qt_pixmapToWinHICON().

Referenced by QWindowsWindow::setWindowIcon().

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◆ createRectRegion()

static HRGN createRectRegion ( const QRect & r)
inlinestatic

Definition at line 2862 of file qwindowswindow.cpp.

Referenced by addRectToWinRegion(), and qRegionToWinRegion().

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◆ debugShowWindowCmd()

static QByteArray debugShowWindowCmd ( const UINT cmd)
inlinestatic

Definition at line 221 of file qwindowswindow.cpp.

References QByteArray::number().

Referenced by operator<<().

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◆ debugWindowPlacementFlags()

static QByteArray debugWindowPlacementFlags ( const UINT flags)
inlinestatic

Definition at line 208 of file qwindowswindow.cpp.

References QByteArray::number().

Referenced by operator<<().

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◆ debugWinExStyle()

static QByteArray debugWinExStyle ( DWORD exStyle)
static

Definition at line 114 of file qwindowswindow.cpp.

References QByteArray::number().

Referenced by WindowCreationData::applyWindowFlags(), operator<<(), and QWindowsWindow::setExStyle().

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◆ debugWinStyle()

static QByteArray debugWinStyle ( DWORD style)
static

Definition at line 59 of file qwindowswindow.cpp.

References QByteArray::number().

Referenced by WindowCreationData::applyWindowFlags(), operator<<(), QWindowsForeignWindow::setParent(), and QWindowsWindow::setStyle().

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◆ debugWinSwpPos()

static QByteArray debugWinSwpPos ( UINT flags)
static

Definition at line 171 of file qwindowswindow.cpp.

References QByteArray::number().

Referenced by operator<<().

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◆ defaultCursor()

static CursorHandlePtr defaultCursor ( const QWindow * w)
inlinestatic

Definition at line 3124 of file qwindowswindow.cpp.

References Qt::ArrowCursor, QWindowsCursor::createCursorFromShape(), cursor, QScreen::handle(), and screen.

Referenced by QWindowsWindow::applyCursor().

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◆ edgesToWinOrientation()

static DWORD edgesToWinOrientation ( Qt::Edges edges)
inlinestatic

Definition at line 3027 of file qwindowswindow.cpp.

References Qt::BottomEdge, Qt::LeftEdge, Qt::RightEdge, and Qt::TopEdge.

Referenced by QWindowsWindow::startSystemResize().

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◆ equalDpi()

static bool equalDpi ( const QDpi & d1,
const QDpi & d2 )
inlinestatic

Definition at line 2255 of file qwindowswindow.cpp.

References d1, d2, and qFuzzyCompare().

Referenced by QWindowsWindow::checkForScreenChanged().

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◆ fixTopLevelWindowFlags()

static void fixTopLevelWindowFlags ( Qt::WindowFlags & flags)
inlinestatic

Definition at line 626 of file qwindowswindow.cpp.

References Qt::Dialog, Qt::FramelessWindowHint, Qt::SplashScreen, Qt::Tool, Qt::Window, Qt::WindowCloseButtonHint, Qt::WindowMaximizeButtonHint, Qt::WindowMinimizeButtonHint, Qt::WindowSystemMenuHint, Qt::WindowTitleHint, and Qt::WindowType_Mask.

Referenced by WindowCreationData::fromWindow().

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◆ formatBriefMargins()

static void formatBriefMargins ( QDebug & d,
const QMargins & m )
static

Definition at line 360 of file qwindowswindow.cpp.

References d.

Referenced by msgUnableToSetGeometry().

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◆ formatBriefRectangle()

static void formatBriefRectangle ( QDebug & d,
const QRect & r )
static

Definition at line 355 of file qwindowswindow.cpp.

References d, Qt::forcesign(), and Qt::noforcesign().

Referenced by msgUnableToSetGeometry().

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◆ frameGeometry()

static QRect frameGeometry ( HWND hwnd,
bool topLevel )
inlinestatic

Definition at line 381 of file qwindowswindow.cpp.

References qrectFromRECT(), rect, screenToClient(), and windowPlacementOffset().

Referenced by WindowCreationData::create(), QWindowsBaseWindow::frameGeometry_sys(), operator<<(), QWindowsBaseWindow::setGeometry_sys(), and QPlatformWindow::windowFrameGeometry().

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◆ getResizeBorderThickness()

static int getResizeBorderThickness ( const UINT dpi)
inlinestatic

Definition at line 522 of file qwindowswindow.cpp.

Referenced by invisibleMargins(), and invisibleMargins().

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◆ invisibleMargins() [1/2]

static QMargins invisibleMargins ( const HWND hwnd)
inlinestatic

Definition at line 550 of file qwindowswindow.cpp.

References getResizeBorderThickness().

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◆ invisibleMargins() [2/2]

static QMargins invisibleMargins ( QPoint screenPoint)
static

Calculates the dimensions of the invisible borders within the window frames which only exist on Windows 10 and onwards.

Definition at line 536 of file qwindowswindow.cpp.

References getResizeBorderThickness().

Referenced by WindowCreationData::create(), QWindowsWindow::frameMargins(), QWindowsWindow::handleNonClientHitTest(), and QWindowsWindow::handleResized().

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◆ isSoftwareGl()

static bool isSoftwareGl ( )
inlinestatic

Definition at line 2387 of file qwindowswindow.cpp.

References QOpenGLContext::LibGL, QOpenGLStaticContext::opengl32, and QOpenGLContext::openGLModuleType().

Referenced by QWindowsWindow::handleWmPaint().

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◆ msgUnableToSetGeometry()

static QString msgUnableToSetGeometry ( const QWindowsWindow * platformWindow,
const QRect & requestedRect,
const QRect & obtainedRect,
const QMargins & fullMargins,
const QMargins & customMargins )
static

Definition at line 2105 of file qwindowswindow.cpp.

References debug, formatBriefMargins(), formatBriefRectangle(), QWindowsWindow::getSizeHints(), QMargins::isNull(), QWINDOWSIZE_MAX, window(), and QPlatformWindow::window().

Referenced by QWindowsWindow::setGeometry().

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◆ normalFrameGeometry()

static QRect normalFrameGeometry ( HWND hwnd)
static

Definition at line 2082 of file qwindowswindow.cpp.

References qrectFromRECT(), and windowPlacementOffset().

Referenced by QWindowsWindow::normalGeometry(), and QWindowsWindow::updateRestoreGeometry().

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◆ operator<<() [1/8]

QDebug operator<< ( QDebug d,
const GUID & guid )

Definition at line 337 of file qwindowswindow.cpp.

References d, Qt::hex(), i, qSetFieldWidth(), qSetPadChar(), and Qt::uppercasedigits().

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◆ operator<<() [2/8]

QDebug operator<< ( QDebug d,
const MINMAXINFO & i )

Definition at line 314 of file qwindowswindow.cpp.

References d, and i.

◆ operator<<() [3/8]

QDebug operator<< ( QDebug d,
const NCCALCSIZE_PARAMS & p )

Definition at line 305 of file qwindowswindow.cpp.

References d.

◆ operator<<() [4/8]

QDebug operator<< ( QDebug d,
const POINT & p )

Definition at line 286 of file qwindowswindow.cpp.

References d.

◆ operator<<() [5/8]

QDebug operator<< ( QDebug d,
const RECT & r )

Definition at line 276 of file qwindowswindow.cpp.

References d.

◆ operator<<() [6/8]

QDebug operator<< ( QDebug d,
const WINDOWPLACEMENT & wp )

Definition at line 325 of file qwindowswindow.cpp.

References d, debugShowWindowCmd(), and debugWindowPlacementFlags().

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◆ operator<<() [7/8]

QDebug operator<< ( QDebug d,
const WINDOWPOS & wp )

Definition at line 294 of file qwindowswindow.cpp.

References d, and debugWinSwpPos().

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◆ operator<<() [8/8]

QDebug operator<< ( QDebug debug,
const WindowCreationData & d )

Definition at line 608 of file qwindowswindow.cpp.

References d, debug, debugWinExStyle(), and debugWinStyle().

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◆ qrectFromRECT()

static QRect qrectFromRECT ( const RECT & rect)
inlinestatic

Definition at line 261 of file qwindowswindow.cpp.

References qSizeOfRect(), and rect.

Referenced by frameGeometry(), QWindowsWindow::handleWmPaint(), and normalFrameGeometry().

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◆ qRegionToWinRegion()

static HRGN qRegionToWinRegion ( const QRegion & region)
static

Definition at line 2879 of file qwindowswindow.cpp.

References addRectToWinRegion(), QRegion::begin(), createRectRegion(), QRegion::end(), and it.

Referenced by QWindowsWindow::setMask().

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◆ qSizeOfRect()

static QSize qSizeOfRect ( const RECT & rect)
inlinestatic

Definition at line 256 of file qwindowswindow.cpp.

References rect.

Referenced by qrectFromRECT().

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◆ qt_pixmapToWinHICON()

Q_GUI_EXPORT HICON qt_pixmapToWinHICON ( const QPixmap & p)

Definition at line 537 of file qpixmap_win.cpp.

References QImage::convertToFormat(), QImage::Format_Mono, QPixmap::mask(), and QPixmap::toImage().

Referenced by createHIcon(), and QWindowsSystemTrayIcon::showMessage().

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◆ RECTfromQRect()

static RECT RECTfromQRect ( const QRect & rect)
inlinestatic

Definition at line 266 of file qwindowswindow.cpp.

References rect.

Referenced by QWindowsBaseWindow::setGeometry_sys(), and setMinimizedGeometry().

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◆ screenForDeviceName()

static QScreen * screenForDeviceName ( const QWindow * w,
const QString & name )
static

Definition at line 646 of file qwindowswindow.cpp.

References QString::data(), QScreen::handle(), QGuiApplication::primaryScreen, and screen.

Referenced by QWindowsWindow::forcedScreenForGLWindow().

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◆ setMinimizedGeometry()

static void setMinimizedGeometry ( HWND hwnd,
const QRect & r )
static

Definition at line 1846 of file qwindowswindow.cpp.

References RECTfromQRect().

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◆ setRestoreMaximizedFlag()

static void setRestoreMaximizedFlag ( HWND hwnd,
bool set = true )
static

Definition at line 1857 of file qwindowswindow.cpp.

References set.

◆ setWindowOpacity()

static void setWindowOpacity ( HWND hwnd,
Qt::WindowFlags flags,
bool hasAlpha,
bool accelerated,
qreal level )
static

Definition at line 495 of file qwindowswindow.cpp.

References hasAlpha(), QWindowsWindow::hasNoNativeFrame(), qRound(), and QWindowsWindow::setWindowLayered().

Referenced by QWindowsWindow::setOpacity(), and updateGLWindowSettings().

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◆ shouldApplyDarkFrame()

static bool shouldApplyDarkFrame ( const QWindow * w)
inlinestatic

Definition at line 849 of file qwindowswindow.cpp.

References QPalette::color(), Qt::Dark, Qt::FramelessWindowHint, QWindowPrivate::get(), QWindowsIntegration::instance(), QWindowsTheme::instance(), QColor::lightness(), testFlag(), Qt::Unknown, QPalette::Window, and QPalette::WindowText.

Referenced by WindowCreationData::create(), and QWindowsWindow::setDarkBorder().

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◆ shouldOmitFrameAdjustment() [1/2]

static bool shouldOmitFrameAdjustment ( const Qt::WindowFlags flags,
DWORD style )
static

Definition at line 1028 of file qwindowswindow.cpp.

References Qt::FramelessWindowHint.

Referenced by QWindowsGeometryHint::frame(), QWindowsGeometryHint::frame(), QWindowsGeometryHint::frame(), QWindowsGeometryHint::frameOnPrimaryScreen(), QWindowsWindow::fullFrameMargins(), QWindowsWindow::handleDpiChanged(), and QWindowsWindow::setFullFrameMargins().

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◆ shouldOmitFrameAdjustment() [2/2]

static bool shouldOmitFrameAdjustment ( const Qt::WindowFlags flags,
HWND hwnd )
static

Definition at line 1035 of file qwindowswindow.cpp.

References Qt::FramelessWindowHint.

◆ shouldShowMaximizeButton()

static bool shouldShowMaximizeButton ( const QWindow * w,
Qt::WindowFlags flags )
static

Definition at line 459 of file qwindowswindow.cpp.

References Qt::CustomizeWindowHint, Qt::MSWindowsFixedSizeDialogHint, QWINDOWSIZE_MAX, and Qt::WindowMaximizeButtonHint.

Referenced by WindowCreationData::fromWindow().

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◆ testShowWithoutActivating()

static bool testShowWithoutActivating ( const QWindow * window)
inlinestatic

Definition at line 1839 of file qwindowswindow.cpp.

References QVariant::isValid(), QVariant::toBool(), and window().

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◆ toNativeSizeConstrained()

static QSize toNativeSizeConstrained ( QSize dip,
const QScreen * s )
static

Definition at line 1012 of file qwindowswindow.cpp.

References QHighDpiScaling::factor(), QHighDpiScaling::isActive(), qFuzzyCompare(), qRound(), and QWINDOWSIZE_MAX.

Referenced by QWindowsGeometryHint::frameSizeConstraints().

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◆ updateGLWindowSettings()

static void updateGLWindowSettings ( const QWindow * w,
HWND hwnd,
Qt::WindowFlags flags,
qreal opacity )
inlinestatic

Definition at line 511 of file qwindowswindow.cpp.

References applyBlurBehindWindow(), hasAlpha(), setWindowOpacity(), and windowIsAccelerated().

Referenced by WindowCreationData::initialize().

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◆ windowIsAccelerated()

static bool windowIsAccelerated ( const QWindow * w)
inlinestatic

Definition at line 430 of file qwindowswindow.cpp.

References QSurface::Direct3DSurface, QSurface::OpenGLSurface, and QSurface::VulkanSurface.

Referenced by updateGLWindowSettings().

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◆ windowPlacementOffset()

static QPoint windowPlacementOffset ( HWND hwnd,
const QPoint & point )
static

Definition at line 367 of file qwindowswindow.cpp.

References QScreen::availableGeometry, QList< T >::constFirst(), QScreen::geometry, QWindowsContext::instance(), screen, QWindowsScreenManager::screenAtDp(), QWindowsScreenManager::screens(), QList< T >::size(), and QRect::topLeft().

Referenced by frameGeometry(), normalFrameGeometry(), and QWindowsBaseWindow::setGeometry_sys().

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◆ windowVisibility_sys()

static QWindow::Visibility windowVisibility_sys ( HWND hwnd)
static

Definition at line 409 of file qwindowswindow.cpp.