diff options
Diffstat (limited to 'src/plugins/platforms/windows/qwindowswindow.cpp')
-rw-r--r-- | src/plugins/platforms/windows/qwindowswindow.cpp | 104 |
1 files changed, 78 insertions, 26 deletions
diff --git a/src/plugins/platforms/windows/qwindowswindow.cpp b/src/plugins/platforms/windows/qwindowswindow.cpp index 519a2daae9..ffc8f5ed21 100644 --- a/src/plugins/platforms/windows/qwindowswindow.cpp +++ b/src/plugins/platforms/windows/qwindowswindow.cpp @@ -86,7 +86,7 @@ QT_BEGIN_NAMESPACE -typedef QSharedPointer<QWindowCreationContext> QWindowCreationContextPtr; +using QWindowCreationContextPtr = QSharedPointer<QWindowCreationContext>; enum { defaultWindowWidth = 160, @@ -134,6 +134,10 @@ static QByteArray debugWinExStyle(DWORD exStyle) rc += " WS_EX_LAYERED"; if (exStyle & WS_EX_DLGMODALFRAME) rc += " WS_EX_DLGMODALFRAME"; + if (exStyle & WS_EX_LAYOUTRTL) + rc += " WS_EX_LAYOUTRTL"; + if (exStyle & WS_EX_NOINHERITLAYOUT) + rc += " WS_EX_NOINHERITLAYOUT"; return rc; } @@ -239,7 +243,7 @@ QDebug operator<<(QDebug d, const WINDOWPLACEMENT &wp) QDebugStateSaver saver(d); d.nospace(); d.noquote(); - d << "WINDOWPLACEMENT(flags=0x" << hex << wp.flags << dec << ", showCmd=" + d << "WINDOWPLACEMENT(flags=0x" << Qt::hex << wp.flags << Qt::dec << ", showCmd=" << wp.showCmd << ", ptMinPosition=" << wp.ptMinPosition << ", ptMaxPosition=" << wp.ptMaxPosition << ", rcNormalPosition=" << wp.rcNormalPosition; return d; @@ -249,7 +253,7 @@ QDebug operator<<(QDebug d, const GUID &guid) { QDebugStateSaver saver(d); d.nospace(); - d << '{' << hex << uppercasedigits << qSetPadChar(QLatin1Char('0')) + d << '{' << Qt::hex << Qt::uppercasedigits << qSetPadChar(QLatin1Char('0')) << qSetFieldWidth(8) << guid.Data1 << qSetFieldWidth(0) << '-' << qSetFieldWidth(4) << guid.Data2 << qSetFieldWidth(0) << '-' << qSetFieldWidth(4) @@ -307,7 +311,7 @@ static inline QRect frameGeometry(HWND hwnd, bool topLevel) const int width = rect.right - rect.left; const int height = rect.bottom - rect.top; POINT leftTop = { rect.left, rect.top }; - ScreenToClient(parent, &leftTop); + screenToClient(parent, &leftTop); rect.left = leftTop.x; rect.top = leftTop.y; rect.right = leftTop.x + width; @@ -490,7 +494,7 @@ static QMargins invisibleMargins(QPoint screenPoint) struct WindowCreationData { - typedef QWindowsWindowData WindowData; + using WindowData = QWindowsWindowData; enum Flags { ForceChild = 0x1, ForceTopLevel = 0x2 }; void fromWindow(const QWindow *w, const Qt::WindowFlags flags, unsigned creationFlags = 0); @@ -667,6 +671,17 @@ void WindowCreationData::fromWindow(const QWindow *w, const Qt::WindowFlags flag if ((flags & Qt::MSWindowsFixedSizeDialogHint)) dialog = true; + // This causes the title bar to drawn RTL and the close button + // to be left. Note that this causes: + // - All DCs created on the Window to have RTL layout (see SetLayout) + // - ClientToScreen() and ScreenToClient() to work in reverse as well. + // - Mouse event coordinates to be mirrored. + // - Positioning of child Windows. + if (QGuiApplication::layoutDirection() == Qt::RightToLeft + && (QWindowsIntegration::instance()->options() & QWindowsIntegration::RtlEnabled) != 0) { + exStyle |= WS_EX_LAYOUTRTL | WS_EX_NOINHERITLAYOUT; + } + // Parent: Use transient parent for top levels. if (popup) { flags |= Qt::WindowStaysOnTopHint; // a popup stays on top, no parent. @@ -749,8 +764,8 @@ QWindowsWindowData if (title.isEmpty() && (result.flags & Qt::WindowTitleHint)) title = topLevel ? qAppName() : w->objectName(); - const wchar_t *titleUtf16 = reinterpret_cast<const wchar_t *>(title.utf16()); - const wchar_t *classNameUtf16 = reinterpret_cast<const wchar_t *>(windowClassName.utf16()); + const auto *titleUtf16 = reinterpret_cast<const wchar_t *>(title.utf16()); + const auto *classNameUtf16 = reinterpret_cast<const wchar_t *>(windowClassName.utf16()); // Capture events before CreateWindowEx() returns. The context is cleared in // the QWindowsWindow constructor. @@ -772,6 +787,16 @@ QWindowsWindowData QPoint pos = calcPosition(w, context, invMargins); + // Mirror the position when creating on a parent in RTL mode, ditto for the obtained geometry. + int mirrorParentWidth = 0; + if (!w->isTopLevel() && QWindowsBaseWindow::isRtlLayout(parentHandle)) { + RECT rect; + GetClientRect(parentHandle, &rect); + mirrorParentWidth = rect.right; + } + if (mirrorParentWidth != 0 && pos.x() != CW_USEDEFAULT && context->frameWidth != CW_USEDEFAULT) + pos.setX(mirrorParentWidth - context->frameWidth - pos.x()); + result.hwnd = CreateWindowEx(exStyle, classNameUtf16, titleUtf16, style, pos.x(), pos.y(), @@ -779,14 +804,21 @@ QWindowsWindowData parentHandle, nullptr, appinst, nullptr); qCDebug(lcQpaWindows).nospace() << "CreateWindowEx: returns " << w << ' ' << result.hwnd << " obtained geometry: " - << context->obtainedGeometry << ' ' << context->margins; + << context->obtainedPos << context->obtainedSize << ' ' << context->margins; if (!result.hwnd) { qErrnoWarning("%s: CreateWindowEx failed", __FUNCTION__); return result; } - result.geometry = context->obtainedGeometry; + if (mirrorParentWidth != 0) { + context->obtainedPos.setX(mirrorParentWidth - context->obtainedSize.width() + - context->obtainedPos.x()); + } + + QRect obtainedGeometry(context->obtainedPos, context->obtainedSize); + + result.geometry = obtainedGeometry; result.fullFrameMargins = context->margins; result.embedded = embedded; result.hasFrame = hasFrame; @@ -905,7 +937,7 @@ QMargins QWindowsGeometryHint::frame(DWORD style, DWORD exStyle, qreal dpi) const QMargins result(qAbs(rect.left), qAbs(rect.top), qAbs(rect.right), qAbs(rect.bottom)); qCDebug(lcQpaWindows).nospace() << __FUNCTION__ << " style=" - << showbase << hex << style << " exStyle=" << exStyle << dec << noshowbase + << Qt::showbase << Qt::hex << style << " exStyle=" << exStyle << Qt::dec << Qt::noshowbase << " dpi=" << dpi << ' ' << rect << ' ' << result; return result; @@ -950,7 +982,7 @@ bool QWindowsGeometryHint::handleCalculateSize(const QMargins &customMargins, co if (!msg.wParam || customMargins.isNull()) return false; *result = DefWindowProc(msg.hwnd, msg.message, msg.wParam, msg.lParam); - NCCALCSIZE_PARAMS *ncp = reinterpret_cast<NCCALCSIZE_PARAMS *>(msg.lParam); + auto *ncp = reinterpret_cast<NCCALCSIZE_PARAMS *>(msg.lParam); const RECT oldClientArea = ncp->rgrc[0]; ncp->rgrc[0].left += customMargins.left(); ncp->rgrc[0].top += customMargins.top(); @@ -1033,6 +1065,11 @@ bool QWindowsGeometryHint::positionIncludesFrame(const QWindow *w) \ingroup qt-lighthouse-win */ +bool QWindowsBaseWindow::isRtlLayout(HWND hwnd) +{ + return (GetWindowLongPtrW(hwnd, GWL_EXSTYLE) & WS_EX_LAYOUTRTL) != 0; +} + QWindowsBaseWindow *QWindowsBaseWindow::baseWindowOf(const QWindow *w) { if (w) { @@ -1195,7 +1232,9 @@ QWindowCreationContext::QWindowCreationContext(const QWindow *w, DWORD style, DWORD exStyle) : window(w), requestedGeometryIn(geometryIn), - requestedGeometry(geometry), obtainedGeometry(geometry), + requestedGeometry(geometry), + obtainedPos(geometryIn.topLeft()), + obtainedSize(geometryIn.size()), margins(QWindowsGeometryHint::frame(w, geometry, style, exStyle)), customMargins(cm) { @@ -1266,7 +1305,7 @@ QWindowsWindow::QWindowsWindow(QWindow *aWindow, const QWindowsWindowData &data) m_cursor(new CursorHandle), m_format(aWindow->requestedFormat()) #if QT_CONFIG(vulkan) - , m_vkSurface(0) + , m_vkSurface(VK_NULL_HANDLE) #endif { QWindowsContext::instance()->addWindow(m_data.hwnd, this); @@ -1323,11 +1362,12 @@ void QWindowsWindow::initialize() // will send the message) and screen change signals of QWindow. if (w->type() != Qt::Desktop) { const Qt::WindowState state = w->windowState(); + const QRect obtainedGeometry(creationContext->obtainedPos, creationContext->obtainedSize); if (state != Qt::WindowMaximized && state != Qt::WindowFullScreen - && creationContext->requestedGeometryIn != creationContext->obtainedGeometry) { - QWindowSystemInterface::handleGeometryChange<QWindowSystemInterface::SynchronousDelivery>(w, creationContext->obtainedGeometry); + && creationContext->requestedGeometryIn != obtainedGeometry) { + QWindowSystemInterface::handleGeometryChange<QWindowSystemInterface::SynchronousDelivery>(w, obtainedGeometry); } - QPlatformScreen *obtainedScreen = screenForGeometry(creationContext->obtainedGeometry); + QPlatformScreen *obtainedScreen = screenForGeometry(obtainedGeometry); if (obtainedScreen && screen() != obtainedScreen) QWindowSystemInterface::handleWindowScreenChanged<QWindowSystemInterface::SynchronousDelivery>(w, obtainedScreen->screen()); } @@ -1366,14 +1406,14 @@ void QWindowsWindow::destroyWindow() QVulkanInstance *inst = window()->vulkanInstance(); if (inst) static_cast<QWindowsVulkanInstance *>(inst->handle())->destroySurface(m_vkSurface); - m_vkSurface = 0; + m_vkSurface = VK_NULL_HANDLE; } #endif #ifndef QT_NO_OPENGL if (m_surface) { if (QWindowsStaticOpenGLContext *staticOpenGLContext = QWindowsIntegration::staticOpenGLContext()) staticOpenGLContext->destroyWindowSurface(m_surface); - m_surface = 0; + m_surface = nullptr; } #endif DestroyWindow(m_data.hwnd); @@ -1462,7 +1502,7 @@ QWindow *QWindowsWindow::topLevelOf(QWindow *w) w = parent; if (const QPlatformWindow *handle = w->handle()) { - const QWindowsWindow *ww = static_cast<const QWindowsWindow *>(handle); + const auto *ww = static_cast<const QWindowsWindow *>(handle); if (ww->isEmbedded()) { HWND parentHWND = GetAncestor(ww->handle(), GA_PARENT); const HWND desktopHwnd = GetDesktopWindow(); @@ -1536,7 +1576,7 @@ bool QWindowsWindow::isActive() const bool QWindowsWindow::isAncestorOf(const QPlatformWindow *child) const { - const QWindowsWindow *childWindow = static_cast<const QWindowsWindow *>(child); + const auto *childWindow = static_cast<const QWindowsWindow *>(child); return IsChild(m_data.hwnd, childWindow->handle()); } @@ -1685,7 +1725,7 @@ void QWindowsWindow::setParent_sys(const QPlatformWindow *parent) HWND oldParentHWND = parentHwnd(); HWND newParentHWND = nullptr; if (parent) { - const QWindowsWindow *parentW = static_cast<const QWindowsWindow *>(parent); + const auto *parentW = static_cast<const QWindowsWindow *>(parent); newParentHWND = parentW->handle(); } @@ -1946,7 +1986,16 @@ void QWindowsBaseWindow::setGeometry_sys(const QRect &rect) const windowPlacement.showCmd = windowPlacement.showCmd == SW_SHOWMINIMIZED ? SW_SHOWMINIMIZED : SW_HIDE; result = SetWindowPlacement(hwnd, &windowPlacement); } else { - result = MoveWindow(hwnd, frameGeometry.x(), frameGeometry.y(), + int x = frameGeometry.x(); + if (!window()->isTopLevel()) { + const HWND parentHandle = GetParent(hwnd); + if (isRtlLayout(parentHandle)) { + RECT rect; + GetClientRect(parentHandle, &rect); + x = rect.right - frameGeometry.width() - x; + } + } + result = MoveWindow(hwnd, x, frameGeometry.y(), frameGeometry.width(), frameGeometry.height(), true); } qCDebug(lcQpaWindows) << '<' << __FUNCTION__ << window() @@ -1962,8 +2011,11 @@ void QWindowsBaseWindow::setGeometry_sys(const QRect &rect) const HDC QWindowsWindow::getDC() { - if (!m_hdc) + if (!m_hdc) { m_hdc = GetDC(handle()); + if (QGuiApplication::layoutDirection() == Qt::RightToLeft) + SetLayout(m_hdc, 0); // Clear RTL layout + } return m_hdc; } @@ -2318,7 +2370,7 @@ void QWindowsWindow::propagateSizeHints() bool QWindowsWindow::handleGeometryChangingMessage(MSG *message, const QWindow *qWindow, const QMargins &margins) { - WINDOWPOS *windowPos = reinterpret_cast<WINDOWPOS *>(message->lParam); + auto *windowPos = reinterpret_cast<WINDOWPOS *>(message->lParam); if ((windowPos->flags & SWP_NOZORDER) == 0) { if (QWindowsWindow *platformWindow = QWindowsWindow::windowsWindowOf(qWindow)) { QWindow *parentWindow = qWindow->parent(); @@ -2894,14 +2946,14 @@ void QWindowsWindow::invalidateSurface() QVulkanInstance *inst = window()->vulkanInstance(); if (inst) static_cast<QWindowsVulkanInstance *>(inst->handle())->destroySurface(m_vkSurface); - m_vkSurface = 0; + m_vkSurface = VK_NULL_HANDLE; } #endif #ifndef QT_NO_OPENGL if (m_surface) { if (QWindowsStaticOpenGLContext *staticOpenGLContext = QWindowsIntegration::staticOpenGLContext()) staticOpenGLContext->destroyWindowSurface(m_surface); - m_surface = 0; + m_surface = nullptr; } #endif // QT_NO_OPENGL } |