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-rw-r--r--src/plugins/platforms/windows/qwindowswindow.cpp232
1 files changed, 142 insertions, 90 deletions
diff --git a/src/plugins/platforms/windows/qwindowswindow.cpp b/src/plugins/platforms/windows/qwindowswindow.cpp
index d0107145af..5d96d40af5 100644
--- a/src/plugins/platforms/windows/qwindowswindow.cpp
+++ b/src/plugins/platforms/windows/qwindowswindow.cpp
@@ -5,6 +5,7 @@
#include "qwindowswindow.h"
#include "qwindowscontext.h"
+#include "qwindowstheme.h"
#if QT_CONFIG(draganddrop)
# include "qwindowsdrag.h"
#endif
@@ -27,11 +28,11 @@
#include <QtGui/qwindow.h>
#include <QtGui/qregion.h>
#include <QtGui/qopenglcontext.h>
+#include <QtGui/private/qwindowsthemecache_p.h>
#include <private/qwindow_p.h> // QWINDOWSIZE_MAX
#include <private/qguiapplication_p.h>
#include <private/qhighdpiscaling_p.h>
#include <qpa/qwindowsysteminterface.h>
-#include <qpa/qplatformtheme.h>
#include <QtCore/qdebug.h>
#include <QtCore/qlibraryinfo.h>
@@ -430,11 +431,7 @@ static inline bool windowIsAccelerated(const QWindow *w)
{
switch (w->surfaceType()) {
case QSurface::OpenGLSurface:
- return true;
- case QSurface::RasterGLSurface:
- return qt_window_private(const_cast<QWindow *>(w))->compositing;
case QSurface::VulkanSurface:
- return true;
case QSurface::Direct3DSurface:
return true;
default:
@@ -469,14 +466,21 @@ static bool shouldShowMaximizeButton(const QWindow *w, Qt::WindowFlags flags)
w->maximumSize() == QSize(QWINDOWSIZE_MAX, QWINDOWSIZE_MAX);
}
+bool QWindowsWindow::hasNoNativeFrame(HWND hwnd, Qt::WindowFlags flags)
+{
+ const LONG_PTR style = GetWindowLongPtr(hwnd, GWL_STYLE);
+ return (style & WS_CHILD) || (flags & Qt::FramelessWindowHint);
+}
+
// Set the WS_EX_LAYERED flag on a HWND if required. This is required for
// translucent backgrounds, not fully opaque windows and for
// Qt::WindowTransparentForInput (in combination with WS_EX_TRANSPARENT).
bool QWindowsWindow::setWindowLayered(HWND hwnd, Qt::WindowFlags flags, bool hasAlpha, qreal opacity)
{
const LONG_PTR exStyle = GetWindowLongPtr(hwnd, GWL_EXSTYLE);
+ // Native children are frameless by nature, so check for that as well.
const bool needsLayered = (flags & Qt::WindowTransparentForInput)
- || (hasAlpha && (flags & Qt::FramelessWindowHint)) || opacity < 1.0;
+ || (hasAlpha && hasNoNativeFrame(hwnd, flags)) || opacity < 1.0;
const bool isLayered = (exStyle & WS_EX_LAYERED);
if (needsLayered != isLayered) {
if (needsLayered) {
@@ -492,7 +496,7 @@ static void setWindowOpacity(HWND hwnd, Qt::WindowFlags flags, bool hasAlpha, bo
{
if (QWindowsWindow::setWindowLayered(hwnd, flags, hasAlpha, level)) {
const BYTE alpha = BYTE(qRound(255.0 * level));
- if (hasAlpha && !accelerated && (flags & Qt::FramelessWindowHint)) {
+ if (hasAlpha && !accelerated && QWindowsWindow::hasNoNativeFrame(hwnd, flags)) {
// Non-GL windows with alpha: Use blend function to update.
BLENDFUNCTION blend = {AC_SRC_OVER, 0, alpha, AC_SRC_ALPHA};
UpdateLayeredWindow(hwnd, nullptr, nullptr, nullptr, nullptr, nullptr, 0, &blend, ULW_ALPHA);
@@ -835,6 +839,10 @@ void WindowCreationData::fromWindow(const QWindow *w, const Qt::WindowFlags flag
// NOTE: WS_EX_TRANSPARENT flag can make mouse inputs fall through a layered window
if (flagsIn & Qt::WindowTransparentForInput)
exStyle |= WS_EX_LAYERED | WS_EX_TRANSPARENT;
+
+ // Currently only compatible with D3D surfaces, use it with care.
+ if (qEnvironmentVariableIntValue("QT_QPA_DISABLE_REDIRECTION_SURFACE"))
+ exStyle |= WS_EX_NOREDIRECTIONBITMAP;
}
}
@@ -922,7 +930,7 @@ QWindowsWindowData
return result;
}
- if (QWindowsContext::isDarkMode() && shouldApplyDarkFrame(w))
+ if (QWindowsTheme::instance()->colorScheme() == Qt::ColorScheme::Dark && shouldApplyDarkFrame(w))
QWindowsWindow::setDarkBorderToWindow(result.hwnd, true);
if (mirrorParentWidth != 0) {
@@ -933,6 +941,7 @@ QWindowsWindowData
QRect obtainedGeometry(context->obtainedPos, context->obtainedSize);
result.geometry = obtainedGeometry;
+ result.restoreGeometry = frameGeometry(result.hwnd, topLevel);
result.fullFrameMargins = context->margins;
result.embedded = embedded;
result.hasFrame = hasFrame;
@@ -1007,6 +1016,21 @@ static QSize toNativeSizeConstrained(QSize dip, const QScreen *s)
return dip;
}
+// Helper for checking if frame adjustment needs to be skipped
+// NOTE: Unmaximized frameless windows will skip margins calculation
+static bool shouldOmitFrameAdjustment(const Qt::WindowFlags flags, DWORD style)
+{
+ return flags.testFlag(Qt::FramelessWindowHint) && !(style & WS_MAXIMIZE);
+}
+
+// Helper for checking if frame adjustment needs to be skipped
+// NOTE: Unmaximized frameless windows will skip margins calculation
+static bool shouldOmitFrameAdjustment(const Qt::WindowFlags flags, HWND hwnd)
+{
+ DWORD style = hwnd != nullptr ? DWORD(GetWindowLongPtr(hwnd, GWL_STYLE)) : 0;
+ return flags.testFlag(Qt::FramelessWindowHint) && !(style & WS_MAXIMIZE);
+}
+
/*!
\class QWindowsGeometryHint
\brief Stores geometry constraints and provides utility functions.
@@ -1019,7 +1043,7 @@ static QSize toNativeSizeConstrained(QSize dip, const QScreen *s)
QMargins QWindowsGeometryHint::frameOnPrimaryScreen(const QWindow *w, DWORD style, DWORD exStyle)
{
- if (!w->isTopLevel() || w->flags().testFlag(Qt::FramelessWindowHint))
+ if (!w->isTopLevel() || shouldOmitFrameAdjustment(w->flags(), style))
return {};
RECT rect = {0,0,0,0};
style &= ~DWORD(WS_OVERLAPPED); // Not permitted, see docs.
@@ -1035,15 +1059,13 @@ QMargins QWindowsGeometryHint::frameOnPrimaryScreen(const QWindow *w, DWORD styl
QMargins QWindowsGeometryHint::frameOnPrimaryScreen(const QWindow *w, HWND hwnd)
{
- if (!w->isTopLevel() || w->flags().testFlag(Qt::FramelessWindowHint))
- return {};
return frameOnPrimaryScreen(w, DWORD(GetWindowLongPtr(hwnd, GWL_STYLE)),
DWORD(GetWindowLongPtr(hwnd, GWL_EXSTYLE)));
}
QMargins QWindowsGeometryHint::frame(const QWindow *w, DWORD style, DWORD exStyle, qreal dpi)
{
- if (!w->isTopLevel() || w->flags().testFlag(Qt::FramelessWindowHint))
+ if (!w->isTopLevel() || shouldOmitFrameAdjustment(w->flags(), style))
return {};
RECT rect = {0,0,0,0};
style &= ~DWORD(WS_OVERLAPPED); // Not permitted, see docs.
@@ -1061,7 +1083,7 @@ QMargins QWindowsGeometryHint::frame(const QWindow *w, DWORD style, DWORD exStyl
QMargins QWindowsGeometryHint::frame(const QWindow *w, HWND hwnd, DWORD style, DWORD exStyle)
{
- if (!w->isTopLevel() || w->flags().testFlag(Qt::FramelessWindowHint))
+ if (!w->isTopLevel() || shouldOmitFrameAdjustment(w->flags(), style))
return {};
if (QWindowsScreenManager::isSingleScreen())
return frameOnPrimaryScreen(w, style, exStyle);
@@ -1075,8 +1097,6 @@ QMargins QWindowsGeometryHint::frame(const QWindow *w, HWND hwnd, DWORD style, D
QMargins QWindowsGeometryHint::frame(const QWindow *w, HWND hwnd)
{
- if (!w->isTopLevel() || w->flags().testFlag(Qt::FramelessWindowHint))
- return {};
return frame(w, hwnd, DWORD(GetWindowLongPtr(hwnd, GWL_STYLE)),
DWORD(GetWindowLongPtr(hwnd, GWL_EXSTYLE)));
}
@@ -1085,7 +1105,7 @@ QMargins QWindowsGeometryHint::frame(const QWindow *w, HWND hwnd)
QMargins QWindowsGeometryHint::frame(const QWindow *w, const QRect &geometry,
DWORD style, DWORD exStyle)
{
- if (!w->isTopLevel() || w->flags().testFlag(Qt::FramelessWindowHint))
+ if (!w->isTopLevel() || shouldOmitFrameAdjustment(w->flags(), style))
return {};
if (QWindowsScreenManager::isSingleScreen()
|| !QWindowsContext::shouldHaveNonClientDpiScaling(w)) {
@@ -1338,6 +1358,8 @@ QWindowsForeignWindow::QWindowsForeignWindow(QWindow *window, HWND hwnd)
, m_hwnd(hwnd)
, m_topLevelStyle(0)
{
+ if (QPlatformWindow::parent())
+ setParent(QPlatformWindow::parent());
}
void QWindowsForeignWindow::setParent(const QPlatformWindow *newParentWindow)
@@ -1513,6 +1535,7 @@ QWindowsWindow::QWindowsWindow(QWindow *aWindow, const QWindowsWindowData &data)
QWindowsWindow::~QWindowsWindow()
{
setFlag(WithinDestroy);
+ QWindowsThemeCache::clearThemeCache(m_data.hwnd);
if (testFlag(TouchRegistered))
UnregisterTouchWindow(m_data.hwnd);
destroyWindow();
@@ -1954,6 +1977,12 @@ void QWindowsWindow::handleCompositionSettingsChanged()
}
}
+qreal QWindowsWindow::dpiRelativeScale(const UINT dpi) const
+{
+ return QHighDpiScaling::roundScaleFactor(qreal(dpi) / QWindowsScreen::baseDpi) /
+ QHighDpiScaling::roundScaleFactor(qreal(savedDpi()) / QWindowsScreen::baseDpi);
+}
+
void QWindowsWindow::handleDpiScaledSize(WPARAM wParam, LPARAM lParam, LRESULT *result)
{
// We want to keep QWindow's device independent size constant across the
@@ -1961,10 +1990,9 @@ void QWindowsWindow::handleDpiScaledSize(WPARAM wParam, LPARAM lParam, LRESULT *
// by the change of DPI (e.g. 120 -> 144 = 1.2), also taking any scale
// factor rounding into account. The win32 window size includes the margins;
// add the margins for the new DPI to the window size.
- const int dpi = int(wParam);
- const qreal scale = QHighDpiScaling::roundScaleFactor(qreal(dpi) / QWindowsScreen::baseDpi) /
- QHighDpiScaling::roundScaleFactor(qreal(savedDpi()) / QWindowsScreen::baseDpi);
- const QMargins margins = QWindowsGeometryHint::frame(window(), style(), exStyle(), dpi);
+ const UINT dpi = UINT(wParam);
+ const qreal scale = dpiRelativeScale(dpi);
+ const QMargins margins = fullFrameMargins();
if (!(m_data.flags & Qt::FramelessWindowHint)) {
// We need to update the custom margins to match the current DPI, because
// we don't want our users manually hook into this message just to set a
@@ -1973,7 +2001,8 @@ void QWindowsWindow::handleDpiScaledSize(WPARAM wParam, LPARAM lParam, LRESULT *
// are currently doing.
m_data.customMargins *= scale;
}
- const QSize windowSize = (geometry().size() * scale).grownBy(margins + customMargins());
+
+ const QSize windowSize = (geometry().size() * scale).grownBy((margins * scale) + customMargins());
SIZE *size = reinterpret_cast<SIZE *>(lParam);
size->cx = windowSize.width();
size->cy = windowSize.height();
@@ -1983,11 +2012,17 @@ void QWindowsWindow::handleDpiScaledSize(WPARAM wParam, LPARAM lParam, LRESULT *
void QWindowsWindow::handleDpiChanged(HWND hwnd, WPARAM wParam, LPARAM lParam)
{
const UINT dpi = HIWORD(wParam);
+ const qreal scale = dpiRelativeScale(dpi);
setSavedDpi(dpi);
+ QWindowsThemeCache::clearThemeCache(hwnd);
+
// Send screen change first, so that the new screen is set during any following resize
checkForScreenChanged(QWindowsWindow::FromDpiChange);
+ if (!IsZoomed(hwnd))
+ m_data.restoreGeometry.setSize(m_data.restoreGeometry.size() * scale);
+
// We get WM_DPICHANGED in one of two situations:
//
// 1. The DPI change is a "spontaneous" DPI change as a result of e.g.
@@ -2010,13 +2045,22 @@ void QWindowsWindow::handleDpiChanged(HWND hwnd, WPARAM wParam, LPARAM lParam)
SetWindowPos(hwnd, nullptr, prcNewWindow->left, prcNewWindow->top,
prcNewWindow->right - prcNewWindow->left,
prcNewWindow->bottom - prcNewWindow->top, SWP_NOZORDER | SWP_NOACTIVATE);
+ // If the window does not have a frame, WM_MOVE and WM_SIZE won't be
+ // called which prevents the content from being scaled appropriately
+ // after a DPI change.
+ if (shouldOmitFrameAdjustment(m_data.flags, m_data.hwnd))
+ handleGeometryChange();
}
+
+ // Re-apply mask now that we have a new DPI, which have resulted in
+ // a new scale factor.
+ setMask(QHighDpi::toNativeLocalRegion(window()->mask(), window()));
}
void QWindowsWindow::handleDpiChangedAfterParent(HWND hwnd)
{
const UINT dpi = GetDpiForWindow(hwnd);
- const qreal scale = qreal(dpi) / qreal(savedDpi());
+ const qreal scale = dpiRelativeScale(dpi);
setSavedDpi(dpi);
checkForScreenChanged(QWindowsWindow::FromDpiChange);
@@ -2220,10 +2264,10 @@ void QWindowsWindow::checkForScreenChanged(ScreenChangeMode mode)
return;
// For screens with different DPI: postpone until WM_DPICHANGE
// Check on currentScreen as it can be 0 when resuming a session (QTBUG-80436).
- if (mode == FromGeometryChange && currentScreen != nullptr
- && !equalDpi(currentScreen->logicalDpi(), newScreen->logicalDpi())) {
+ const bool changingDpi = !equalDpi(QDpi(savedDpi(), savedDpi()), newScreen->logicalDpi());
+ if (mode == FromGeometryChange && currentScreen != nullptr && changingDpi)
return;
- }
+
qCDebug(lcQpaWindow).noquote().nospace() << __FUNCTION__
<< ' ' << window() << " \"" << (currentScreen ? currentScreen->name() : QString())
<< "\"->\"" << newScreen->name() << '"';
@@ -2235,6 +2279,7 @@ void QWindowsWindow::handleGeometryChange()
{
const QRect previousGeometry = m_data.geometry;
m_data.geometry = geometry_sys();
+ updateFullFrameMargins();
QWindowSystemInterface::handleGeometryChange(window(), m_data.geometry);
// QTBUG-32121: OpenGL/normal windows (with exception of ANGLE
// which we no longer support in Qt 6) do not receive expose
@@ -2252,6 +2297,9 @@ void QWindowsWindow::handleGeometryChange()
if (testFlag(SynchronousGeometryChangeEvent))
QWindowSystemInterface::flushWindowSystemEvents(QEventLoop::ExcludeUserInputEvents);
+ if (!testFlag(ResizeMoveActive))
+ updateRestoreGeometry();
+
if (!wasSync)
clearFlag(SynchronousGeometryChangeEvent);
qCDebug(lcQpaEvents) << __FUNCTION__ << this << window() << m_data.geometry;
@@ -2340,23 +2388,9 @@ static inline bool isSoftwareGl()
}
bool QWindowsWindow::handleWmPaint(HWND hwnd, UINT message,
- WPARAM wParam, LPARAM, LRESULT *result)
+ WPARAM, LPARAM, LRESULT *result)
{
if (message == WM_ERASEBKGND) { // Backing store - ignored.
- if (!m_firstBgDraw) {
- // Get window background from the default palette; this will
- // usually be the system background color.
- const QColor bgColor = QGuiApplication::palette().color(QPalette::Window);
- HBRUSH bgBrush = CreateSolidBrush(RGB(bgColor.red(), bgColor.green(), bgColor.blue()));
- // Fill rectangle with system background color
- RECT rc;
- auto hdc = reinterpret_cast<HDC>(wParam);
- GetClientRect(hwnd, &rc);
- FillRect(hdc, &rc, bgBrush);
- DeleteObject(bgBrush);
- // Brush the window with system background color only for first time
- m_firstBgDraw = true;
- }
*result = 1;
return true;
}
@@ -2441,6 +2475,14 @@ void QWindowsWindow::handleWindowStateChange(Qt::WindowStates state)
handleHidden();
QWindowSystemInterface::flushWindowSystemEvents(QEventLoop::ExcludeUserInputEvents); // Tell QQuickWindow to stop rendering now.
} else {
+ if (state & Qt::WindowMaximized) {
+ WINDOWPLACEMENT windowPlacement{};
+ windowPlacement.length = sizeof(WINDOWPLACEMENT);
+ GetWindowPlacement(m_data.hwnd, &windowPlacement);
+ const RECT geometry = RECTfromQRect(m_data.restoreGeometry);
+ windowPlacement.rcNormalPosition = geometry;
+ SetWindowPlacement(m_data.hwnd, &windowPlacement);
+ }
// QTBUG-17548: We send expose events when receiving WM_Paint, but for
// layered windows and transient children, we won't receive any WM_Paint.
QWindow *w = window();
@@ -2464,6 +2506,11 @@ void QWindowsWindow::handleWindowStateChange(Qt::WindowStates state)
}
}
+void QWindowsWindow::updateRestoreGeometry()
+{
+ m_data.restoreGeometry = normalFrameGeometry(m_data.hwnd);
+}
+
void QWindowsWindow::setWindowState(Qt::WindowStates state)
{
if (m_data.hwnd) {
@@ -2531,26 +2578,26 @@ void QWindowsWindow::setWindowState_sys(Qt::WindowStates newState)
if (testFlag(HasBorderInFullScreen))
newStyle |= WS_BORDER;
setStyle(newStyle);
- // Use geometry of QWindow::screen() within creation or the virtual screen the
- // window is in (QTBUG-31166, QTBUG-30724).
- const QScreen *screen = window()->screen();
- if (!screen)
- screen = QGuiApplication::primaryScreen();
- const QRect r = screen ? QHighDpi::toNativePixels(screen->geometry(), window()) : m_savedFrameGeometry;
-
+ const HMONITOR monitor = MonitorFromWindow(m_data.hwnd, MONITOR_DEFAULTTONEAREST);
+ MONITORINFO monitorInfo = {};
+ monitorInfo.cbSize = sizeof(MONITORINFO);
+ GetMonitorInfoW(monitor, &monitorInfo);
+ const QRect screenGeometry(monitorInfo.rcMonitor.left, monitorInfo.rcMonitor.top,
+ monitorInfo.rcMonitor.right - monitorInfo.rcMonitor.left,
+ monitorInfo.rcMonitor.bottom - monitorInfo.rcMonitor.top);
if (newState & Qt::WindowMinimized) {
- setMinimizedGeometry(m_data.hwnd, r);
+ setMinimizedGeometry(m_data.hwnd, screenGeometry);
if (stateChange & Qt::WindowMaximized)
setRestoreMaximizedFlag(m_data.hwnd, newState & Qt::WindowMaximized);
} else {
const UINT swpf = SWP_FRAMECHANGED | SWP_NOACTIVATE;
const bool wasSync = testFlag(SynchronousGeometryChangeEvent);
setFlag(SynchronousGeometryChangeEvent);
- SetWindowPos(m_data.hwnd, HWND_TOP, r.left(), r.top(), r.width(), r.height(), swpf);
+ SetWindowPos(m_data.hwnd, HWND_TOP, screenGeometry.left(), screenGeometry.top(), screenGeometry.width(), screenGeometry.height(), swpf);
if (!wasSync)
clearFlag(SynchronousGeometryChangeEvent);
clearFlag(MaximizeToFullScreen);
- QWindowSystemInterface::handleGeometryChange(window(), r);
+ QWindowSystemInterface::handleGeometryChange(window(), screenGeometry);
QWindowSystemInterface::flushWindowSystemEvents(QEventLoop::ExcludeUserInputEvents);
}
} else {
@@ -2643,7 +2690,7 @@ bool QWindowsWindow::windowEvent(QEvent *event)
{
switch (event->type()) {
case QEvent::ApplicationPaletteChange:
- setDarkBorder(QWindowsContext::isDarkMode());
+ setDarkBorder(QWindowsTheme::instance()->colorScheme() == Qt::ColorScheme::Dark);
break;
case QEvent::WindowBlocked: // Blocked by another modal window.
setEnabled(false);
@@ -2670,10 +2717,17 @@ void QWindowsWindow::propagateSizeHints()
bool QWindowsWindow::handleGeometryChangingMessage(MSG *message, const QWindow *qWindow, const QMargins &margins)
{
auto *windowPos = reinterpret_cast<WINDOWPOS *>(message->lParam);
+ const QRect suggestedFrameGeometry(windowPos->x, windowPos->y,
+ windowPos->cx, windowPos->cy);
+ const QRect suggestedGeometry = suggestedFrameGeometry - margins;
// Tell Windows to discard the entire contents of the client area, as re-using
// parts of the client area would lead to jitter during resize.
- windowPos->flags |= SWP_NOCOPYBITS;
+ // Check the suggestedGeometry against the current one to only discard during
+ // resize, and not a plain move. We also look for SWP_NOSIZE since that, too,
+ // implies an identical size, and comparing QRects wouldn't work with null cx/cy
+ if (!(windowPos->flags & SWP_NOSIZE) && suggestedGeometry.size() != qWindow->geometry().size())
+ windowPos->flags |= SWP_NOCOPYBITS;
if ((windowPos->flags & SWP_NOZORDER) == 0) {
if (QWindowsWindow *platformWindow = QWindowsWindow::windowsWindowOf(qWindow)) {
@@ -2689,9 +2743,6 @@ bool QWindowsWindow::handleGeometryChangingMessage(MSG *message, const QWindow *
return false;
if (windowPos->flags & SWP_NOSIZE)
return false;
- const QRect suggestedFrameGeometry(windowPos->x, windowPos->y,
- windowPos->cx, windowPos->cy);
- const QRect suggestedGeometry = suggestedFrameGeometry - margins;
const QRectF correctedGeometryF = QPlatformWindow::closestAcceptableGeometry(qWindow, suggestedGeometry);
if (!correctedGeometryF.isValid())
return false;
@@ -2713,7 +2764,7 @@ bool QWindowsWindow::handleGeometryChanging(MSG *message) const
void QWindowsWindow::setFullFrameMargins(const QMargins &newMargins)
{
- if (m_data.flags & Qt::FramelessWindowHint)
+ if (shouldOmitFrameAdjustment(m_data.flags, m_data.hwnd))
return;
if (m_data.fullFrameMargins != newMargins) {
qCDebug(lcQpaWindow) << __FUNCTION__ << window() << m_data.fullFrameMargins << "->" << newMargins;
@@ -2732,14 +2783,46 @@ void QWindowsWindow::updateFullFrameMargins()
void QWindowsWindow::calculateFullFrameMargins()
{
- if (m_data.flags & Qt::FramelessWindowHint)
+ if (shouldOmitFrameAdjustment(m_data.flags, m_data.hwnd))
return;
+
+ // QTBUG-113736: systemMargins depends on AdjustWindowRectExForDpi. This doesn't take into
+ // account possible external modifications to the titlebar, as with ExtendsContentIntoTitleBar()
+ // from the Windows App SDK. We can fix this by comparing the WindowRect (which includes the
+ // frame) to the ClientRect. If a 'typical' frame is detected, i.e. only the titlebar has been
+ // modified, we can safely adjust the frame by deducting the bottom margin to the total Y
+ // difference between the two rects, to get the actual size of the titlebar and prevent
+ // unwanted client area slicing.
+
+ RECT windowRect{};
+ RECT clientRect{};
+ GetWindowRect(handle(), &windowRect);
+ GetClientRect(handle(), &clientRect);
+
+ // QTBUG-117704 It is also possible that the user has manually removed the frame (for example
+ // by handling WM_NCCALCSIZE). If that is the case, i.e., the client area and the window area
+ // have identical sizes, we don't want to override the user-defined margins.
+
+ if (qrectFromRECT(windowRect).size() == qrectFromRECT(clientRect).size())
+ return;
+
// Normally obtained from WM_NCCALCSIZE. This calculation only works
// when no native menu is present.
const auto systemMargins = testFlag(DisableNonClientScaling)
? QWindowsGeometryHint::frameOnPrimaryScreen(window(), m_data.hwnd)
: frameMargins_sys();
- setFullFrameMargins(systemMargins + customMargins());
+ const QMargins actualMargins = systemMargins + customMargins();
+
+ const int yDiff = (windowRect.bottom - windowRect.top) - (clientRect.bottom - clientRect.top);
+ const bool typicalFrame = (actualMargins.left() == actualMargins.right())
+ && (actualMargins.right() == actualMargins.bottom());
+
+ const QMargins adjustedMargins = typicalFrame ?
+ QMargins(actualMargins.left(), (yDiff - actualMargins.bottom()),
+ actualMargins.right(), actualMargins.bottom())
+ : actualMargins;
+
+ setFullFrameMargins(adjustedMargins);
}
QMargins QWindowsWindow::frameMargins() const
@@ -2752,7 +2835,7 @@ QMargins QWindowsWindow::frameMargins() const
QMargins QWindowsWindow::fullFrameMargins() const
{
- if (m_data.flags & Qt::FramelessWindowHint)
+ if (shouldOmitFrameAdjustment(m_data.flags, m_data.hwnd))
return {};
return m_data.fullFrameMargins;
}
@@ -3203,17 +3286,6 @@ enum : WORD {
DwmwaUseImmersiveDarkModeBefore20h1 = 19
};
-static bool queryDarkBorder(HWND hwnd)
-{
- BOOL result = FALSE;
- const bool ok =
- SUCCEEDED(DwmGetWindowAttribute(hwnd, DwmwaUseImmersiveDarkMode, &result, sizeof(result)))
- || SUCCEEDED(DwmGetWindowAttribute(hwnd, DwmwaUseImmersiveDarkModeBefore20h1, &result, sizeof(result)));
- if (!ok)
- qCWarning(lcQpaWindow, "%s: Unable to retrieve dark window border setting.", __FUNCTION__);
- return result == TRUE;
-}
-
bool QWindowsWindow::setDarkBorderToWindow(HWND hwnd, bool d)
{
const BOOL darkBorder = d ? TRUE : FALSE;
@@ -3229,8 +3301,6 @@ void QWindowsWindow::setDarkBorder(bool d)
{
// respect explicit opt-out and incompatible palettes or styles
d = d && shouldApplyDarkFrame(window());
- if (queryDarkBorder(m_data.hwnd) == d)
- return;
setDarkBorderToWindow(m_data.hwnd, d);
}
@@ -3359,24 +3429,6 @@ void QWindowsWindow::registerTouchWindow()
qErrnoWarning("RegisterTouchWindow() failed for window '%s'.", qPrintable(window()->objectName()));
}
-void QWindowsWindow::aboutToMakeCurrent()
-{
-#ifndef QT_NO_OPENGL
- // For RasterGLSurface windows, that become OpenGL windows dynamically, it might be
- // time to set up some GL specifics. This is particularly important for layered
- // windows (WS_EX_LAYERED due to alpha > 0).
- const bool isCompositing = qt_window_private(window())->compositing;
- if (isCompositing != testFlag(Compositing)) {
- if (isCompositing)
- setFlag(Compositing);
- else
- clearFlag(Compositing);
-
- updateGLWindowSettings(window(), m_data.hwnd, m_data.flags, m_opacity);
- }
-#endif
-}
-
void QWindowsWindow::setHasBorderInFullScreenStatic(QWindow *window, bool border)
{
if (QPlatformWindow *handle = window->handle())