From 2d2fc799bc698ebf7e7c8bcc394366d0d7bf071b Mon Sep 17 00:00:00 2001
From: Sine Striker <trueful@163.com>
Date: 周二, 20 2月 2024 18:18:39 +0800
Subject: [PATCH] Partially finish the bug after window close and reshow
---
src/core/contexts/win32windowcontext.cpp | 245 ++++++++++++++----------------------------------
1 files changed, 73 insertions(+), 172 deletions(-)
diff --git a/src/core/contexts/win32windowcontext.cpp b/src/core/contexts/win32windowcontext.cpp
index 6dec43f..4a859c7 100644
--- a/src/core/contexts/win32windowcontext.cpp
+++ b/src/core/contexts/win32windowcontext.cpp
@@ -1,3 +1,7 @@
+// Copyright (C) 2023-2024 Stdware Collections (https://www.github.com/stdware)
+// Copyright (C) 2021-2023 wangwenx190 (Yuhang Zhao)
+// SPDX-License-Identifier: Apache-2.0
+
#include "win32windowcontext_p.h"
#include <optional>
@@ -9,7 +13,6 @@
#include <QtGui/QGuiApplication>
#include <QtGui/QPainter>
#include <QtGui/QPalette>
-#include <QtGui/QStyleHints>
#include <QtGui/private/qhighdpiscaling_p.h>
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
@@ -26,10 +29,6 @@
#include "qwkglobal_p.h"
#include "qwkwindowsextra_p.h"
-
-#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
-Q_DECLARE_METATYPE(QMargins)
-#endif
namespace QWK {
@@ -51,13 +50,13 @@
static WNDPROC g_qtWindowProc = nullptr;
static inline bool
-#if !QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDER)
+#if !QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDERS)
constexpr
#endif
isSystemBorderEnabled() {
return
-#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDER)
+#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDERS)
isWin10OrGreater()
#else
false
@@ -69,55 +68,6 @@
::SetWindowPos(hwnd, nullptr, 0, 0, 0, 0,
SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_NOOWNERZORDER |
SWP_FRAMECHANGED);
- }
-
- static inline quint32 getDpiForWindow(HWND hwnd) {
- const DynamicApis &apis = DynamicApis::instance();
- if (apis.pGetDpiForWindow) { // Win10
- return apis.pGetDpiForWindow(hwnd);
- } else if (apis.pGetDpiForMonitor) { // Win8.1
- HMONITOR monitor = ::MonitorFromWindow(hwnd, MONITOR_DEFAULTTONEAREST);
- UINT dpiX{0};
- UINT dpiY{0};
- apis.pGetDpiForMonitor(monitor, MDT_EFFECTIVE_DPI, &dpiX, &dpiY);
- return dpiX;
- } else { // Win2K
- HDC hdc = ::GetDC(nullptr);
- const int dpiX = ::GetDeviceCaps(hdc, LOGPIXELSX);
- // const int dpiY = ::GetDeviceCaps(hdc, LOGPIXELSY);
- ::ReleaseDC(nullptr, hdc);
- return quint32(dpiX);
- }
- }
-
- static inline quint32 getSystemMetricsForDpi(int index, quint32 dpi) {
- const DynamicApis &apis = DynamicApis::instance();
- if (apis.pGetSystemMetricsForDpi) {
- return ::GetSystemMetricsForDpi(index, dpi);
- }
- return ::GetSystemMetrics(index);
- }
-
- static inline quint32 getWindowFrameBorderThickness(HWND hwnd) {
- const DynamicApis &apis = DynamicApis::instance();
- if (UINT result = 0; SUCCEEDED(apis.pDwmGetWindowAttribute(
- hwnd, _DWMWA_VISIBLE_FRAME_BORDER_THICKNESS, &result, sizeof(result)))) {
- return result;
- }
- return getSystemMetricsForDpi(SM_CXBORDER, getDpiForWindow(hwnd));
- }
-
- static inline quint32 getResizeBorderThickness(HWND hwnd) {
- const quint32 dpi = getDpiForWindow(hwnd);
- return getSystemMetricsForDpi(SM_CXSIZEFRAME, dpi) +
- getSystemMetricsForDpi(SM_CXPADDEDBORDER, dpi);
- }
-
- static inline quint32 getTitleBarHeight(HWND hwnd) {
- const quint32 dpi = getDpiForWindow(hwnd);
- return getSystemMetricsForDpi(SM_CYCAPTION, dpi) +
- getSystemMetricsForDpi(SM_CXSIZEFRAME, dpi) +
- getSystemMetricsForDpi(SM_CXPADDEDBORDER, dpi);
}
static void setInternalWindowFrameMargins(QWindow *window, const QMargins &margins) {
@@ -146,18 +96,6 @@
monitorInfo.cbSize = sizeof(monitorInfo);
::GetMonitorInfoW(monitor, &monitorInfo);
return monitorInfo;
- }
-
- static inline void moveWindowToDesktopCenter(HWND hwnd) {
- MONITORINFOEXW monitorInfo = getMonitorForWindow(hwnd);
- RECT windowRect{};
- ::GetWindowRect(hwnd, &windowRect);
- const auto newX = monitorInfo.rcMonitor.left +
- (RECT_WIDTH(monitorInfo.rcMonitor) - RECT_WIDTH(windowRect)) / 2;
- const auto newY = monitorInfo.rcMonitor.top +
- (RECT_HEIGHT(monitorInfo.rcMonitor) - RECT_HEIGHT(windowRect)) / 2;
- ::SetWindowPos(hwnd, nullptr, newX, newY, 0, 0,
- SWP_NOACTIVATE | SWP_NOSIZE | SWP_NOZORDER | SWP_NOOWNERZORDER);
}
static inline void moveWindowToMonitor(HWND hwnd, const MONITORINFOEXW &activeMonitor) {
@@ -455,8 +393,8 @@
return false;
}
- static WindowsNativeEventFilter *instance;
- static Win32WindowContext *lastMessageContext;
+ static inline WindowsNativeEventFilter *instance = nullptr;
+ static inline Win32WindowContext *lastMessageContext = nullptr;
static inline void install() {
if (instance) {
@@ -473,9 +411,6 @@
instance = nullptr;
}
};
-
- WindowsNativeEventFilter *WindowsNativeEventFilter::instance = nullptr;
- Win32WindowContext *WindowsNativeEventFilter::lastMessageContext = nullptr;
// https://github.com/qt/qtbase/blob/e26a87f1ecc40bc8c6aa5b889fce67410a57a702/src/plugins/platforms/windows/qwindowscontext.cpp#L1025
// We can see from the source code that Qt will filter out some messages first and then send the
@@ -616,17 +551,10 @@
void Win32WindowContext::virtual_hook(int id, void *data) {
switch (id) {
- case CentralizeHook: {
- if (!windowId)
- return;
- const auto hwnd = reinterpret_cast<HWND>(windowId);
- moveWindowToDesktopCenter(hwnd);
- return;
- }
-
case RaiseWindowHook: {
if (!windowId)
return;
+ m_delegate->setWindowVisible(m_host, true);
const auto hwnd = reinterpret_cast<HWND>(windowId);
bringWindowToFront(hwnd);
return;
@@ -658,8 +586,8 @@
return;
}
+#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDERS)
case DrawWindows10BorderHook: {
-#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDER)
if (!windowId)
return;
@@ -700,11 +628,9 @@
});
painter.restore();
return;
-#endif
}
case DrawWindows10BorderHook2: {
-#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDER)
if (!m_windowHandle)
return;
@@ -725,53 +651,47 @@
::FillRect(hdc, &rcTopBorder,
reinterpret_cast<HBRUSH>(::GetStockObject(BLACK_BRUSH)));
::ReleaseDC(hWnd, hdc);
-#endif
return;
}
-
- // case AbstractWindowContext::DrawWindows10BackgroundHook: {
- // #if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDER)
- // if (!m_windowHandle)
- // return;
- //
- // auto hWnd = reinterpret_cast<HWND>(windowId);
- // HDC hdc = ::GetDC(hWnd);
- // RECT windowRect{};
- // ::GetClientRect(hWnd, &windowRect);
- // RECT rcRest = {
- // 0,
- // int(getWindowFrameBorderThickness(hWnd)),
- // RECT_WIDTH(windowRect),
- // RECT_HEIGHT(windowRect),
- // };
- // HBRUSH blueBrush = ::CreateSolidBrush(RGB(0, 0, 255));
- //
- // // To hide the original title bar, we have to paint on top of it
- // with
- // // the alpha component set to 255. This is a hack to do it with
- // GDI.
- // // See NonClientIslandWindow::_UpdateFrameMargins for more
- // information. HDC opaqueDc; BP_PAINTPARAMS params =
- // {sizeof(params), BPPF_NOCLIP | BPPF_ERASE}; auto buf =
- // BeginBufferedPaint(hdc, &rcRest, BPBF_TOPDOWNDIB, ¶ms,
- // &opaqueDc); if (!buf || !opaqueDc) {
- // return;
- // }
- //
- // ::FillRect(opaqueDc, &rcRest, blueBrush);
- // ::BufferedPaintSetAlpha(buf, nullptr, 255);
- // ::EndBufferedPaint(buf, TRUE);
- //
- // ::DeleteObject(blueBrush);
- // ::ReleaseDC(hWnd, hdc);
- // #endif
- // return;
- // }
+#endif
default:
break;
}
AbstractWindowContext::virtual_hook(id, data);
+ }
+
+ QVariant Win32WindowContext::windowAttribute(const QString &key) const {
+ if (key == QStringLiteral("window-rect")) {
+ if (!m_windowHandle)
+ return {};
+
+ RECT frame{};
+ auto hwnd = reinterpret_cast<HWND>(windowId);
+ // According to MSDN, WS_OVERLAPPED is not allowed for AdjustWindowRect.
+ auto style = static_cast<DWORD>(::GetWindowLongPtrW(hwnd, GWL_STYLE) & ~WS_OVERLAPPED);
+ auto exStyle = static_cast<DWORD>(::GetWindowLongPtrW(hwnd, GWL_EXSTYLE));
+ const DynamicApis &apis = DynamicApis::instance();
+ if (apis.pAdjustWindowRectExForDpi) {
+ apis.pAdjustWindowRectExForDpi(&frame, style, FALSE, exStyle,
+ getDpiForWindow(hwnd));
+ } else {
+ ::AdjustWindowRectEx(&frame, style, FALSE, exStyle);
+ }
+ return QVariant::fromValue(rect2qrect(frame));
+ }
+
+ if (key == QStringLiteral("win10-border-needed")) {
+ return isSystemBorderEnabled() && !isWin11OrGreater();
+ }
+
+ if (key == QStringLiteral("border-thickness")) {
+ return m_windowHandle
+ ? int(getWindowFrameBorderThickness(reinterpret_cast<HWND>(windowId)))
+ : 0;
+ }
+
+ return AbstractWindowContext::windowAttribute(key);
}
void Win32WindowContext::winIdChanged() {
@@ -790,17 +710,24 @@
auto hWnd = reinterpret_cast<HWND>(winId);
if (!isSystemBorderEnabled()) {
- setWindowAttribute("extra-margins", true);
+ static auto margins = QVariant::fromValue(QMargins(1, 1, 1, 1));
+
+ // If we remove the system border, the window will lose its shadow. If dwm is enabled,
+ // then we need to set at least 1px margins, otherwise the following operation will
+ // fail with no effect.
+ setWindowAttribute(QStringLiteral("extra-margins"), margins);
}
+ // We should disable WS_SYSMENU, otherwise the system button icons will be visible if mica
+ // is enabled and the title bar is transparent.
{
auto style = ::GetWindowLongPtrW(hWnd, GWL_STYLE);
-#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDER)
- ::SetWindowLongPtrW(hWnd, GWL_STYLE, style & (~WS_SYSMENU));
-#else
- ::SetWindowLongPtrW(hWnd, GWL_STYLE,
- (style | WS_THICKFRAME | WS_CAPTION) & (~WS_SYSMENU));
-#endif
+ if (isSystemBorderEnabled()) {
+ ::SetWindowLongPtrW(hWnd, GWL_STYLE, style & (~WS_SYSMENU));
+ } else {
+ ::SetWindowLongPtrW(hWnd, GWL_STYLE,
+ (style | WS_THICKFRAME | WS_CAPTION) & (~WS_SYSMENU));
+ }
}
// Add managed window
@@ -865,18 +792,20 @@
bool Win32WindowContext::windowAttributeChanged(const QString &key, const QVariant &attribute,
const QVariant &oldAttribute) {
+ Q_UNUSED(oldAttribute)
+
const auto hwnd = reinterpret_cast<HWND>(m_windowHandle->winId());
const DynamicApis &apis = DynamicApis::instance();
- static constexpr const MARGINS defaultEmptyMargins = {0, 0, 0, 0};
- static constexpr const MARGINS defaultExtraMargins = {1, 1, 1, 1};
static constexpr const MARGINS extendedMargins = {-1, -1, -1, -1};
+ const auto &restoreMargins = [this, &apis, hwnd]() {
+ auto margins = qmargins2margins(
+ m_windowAttributes.value(QStringLiteral("extra-margins")).value<QMargins>());
+ apis.pDwmExtendFrameIntoClientArea(hwnd, &margins);
+ };
+
if (key == QStringLiteral("extra-margins")) {
- if (isWin11OrGreater())
- return false;
- hasExtraMargins = attribute.toBool();
- DynamicApis::instance().pDwmExtendFrameIntoClientArea(
- hwnd, hasExtraMargins ? &defaultExtraMargins : &defaultEmptyMargins);
- return true;
+ auto margins = qmargins2margins(attribute.value<QMargins>());
+ return apis.pDwmExtendFrameIntoClientArea(hwnd, &margins) == S_OK;
}
if (key == QStringLiteral("dark-mode")) {
@@ -902,8 +831,6 @@
}
// For Win11 or later
- static const auto &defaultMargins =
- isSystemBorderEnabled() ? defaultExtraMargins : defaultEmptyMargins;
if (key == QStringLiteral("mica")) {
if (!isWin11OrGreater()) {
return false;
@@ -933,7 +860,7 @@
const BOOL enable = FALSE;
apis.pDwmSetWindowAttribute(hwnd, _DWMWA_MICA_EFFECT, &enable, sizeof(enable));
}
- apis.pDwmExtendFrameIntoClientArea(hwnd, &defaultMargins);
+ restoreMargins();
}
return true;
}
@@ -955,7 +882,7 @@
const _DWM_SYSTEMBACKDROP_TYPE backdropType = _DWMSBT_AUTO;
apis.pDwmSetWindowAttribute(hwnd, _DWMWA_SYSTEMBACKDROP_TYPE, &backdropType,
sizeof(backdropType));
- apis.pDwmExtendFrameIntoClientArea(hwnd, &defaultMargins);
+ restoreMargins();
}
return true;
}
@@ -1002,18 +929,15 @@
// wcad.cbData = sizeof(policy);
// apis.pSetWindowCompositionAttribute(hwnd, &wcad);
- apis.pDwmExtendFrameIntoClientArea(hwnd, &defaultMargins);
+ restoreMargins();
}
return true;
}
if (key == QStringLiteral("dwm-blur")) {
- // TODO: Optimize
- // Currently not available!!!
if (attribute.toBool()) {
- // We need to extend the window frame into the whole client area to be able
- // to see the blurred window background.
- apis.pDwmExtendFrameIntoClientArea(hwnd, &extendedMargins);
+ // We can't extend the window frame for this effect.
+ restoreMargins();
if (isWin8OrGreater()) {
ACCENT_POLICY policy{};
policy.dwAccentState = ACCENT_ENABLE_BLURBEHIND;
@@ -1045,7 +969,6 @@
bb.dwFlags = DWM_BB_ENABLE;
apis.pDwmEnableBlurBehindWindow(hwnd, &bb);
}
- apis.pDwmExtendFrameIntoClientArea(hwnd, &defaultMargins);
}
return true;
}
@@ -1383,19 +1306,6 @@
bool Win32WindowContext::customWindowHandler(HWND hWnd, UINT message, WPARAM wParam,
LPARAM lParam, LRESULT *result) {
switch (message) {
- case WM_SHOWWINDOW: {
- if (!centered) {
- // If wParam is TRUE, the window is being shown.
- // If lParam is zero, the message was sent because of a call to the ShowWindow
- // function.
- if (wParam && !lParam) {
- centered = true;
- moveWindowToDesktopCenter(hWnd);
- }
- }
- break;
- }
-
case WM_NCHITTEST: {
// 鍘熺敓Win32绐楀彛鍙湁椤惰竟鏄湪绐楀彛鍐呴儴resize鐨勶紝鍏朵綑涓夎竟閮芥槸鍦ㄧ獥鍙�
// 澶栭儴杩涜resize鐨勶紝鍏跺師鐞嗘槸锛學S_THICKFRAME杩欎釜绐楀彛鏍峰紡浼氬湪绐�
@@ -2080,15 +1990,6 @@
return true;
}
return false;
- }
-
- bool Win32WindowContext::needBorderPainter() const {
- Q_UNUSED(this)
- return isSystemBorderEnabled() && !isWin11OrGreater();
- }
-
- int Win32WindowContext::borderThickness() const {
- return int(getWindowFrameBorderThickness(reinterpret_cast<HWND>(windowId)));
}
}
--
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