From 230896e7dae9e97e3363947e72e70cca1f89911d Mon Sep 17 00:00:00 2001
From: Zhao Yuhang <2546789017@qq.com>
Date: 周五, 08 12月 2023 22:47:07 +0800
Subject: [PATCH] port WIP system menu
---
src/core/contexts/win32windowcontext.cpp | 211 ++++++++++++++++++++++++++++++++++++++++++++++++++--
1 files changed, 202 insertions(+), 9 deletions(-)
diff --git a/src/core/contexts/win32windowcontext.cpp b/src/core/contexts/win32windowcontext.cpp
index eb4f40d..9581b94 100644
--- a/src/core/contexts/win32windowcontext.cpp
+++ b/src/core/contexts/win32windowcontext.cpp
@@ -5,7 +5,6 @@
#include <QtCore/QHash>
#include <QtCore/QAbstractNativeEventFilter>
-#include <QtCore/QOperatingSystemVersion>
#include <QtCore/QScopeGuard>
#include <QtGui/QGuiApplication>
@@ -24,6 +23,7 @@
#include <shellscalingapi.h>
#include <dwmapi.h>
#include <timeapi.h>
+#include <versionhelpers.h>
Q_DECLARE_METATYPE(QMargins)
@@ -194,20 +194,22 @@
}
static inline bool isWin8OrGreater() {
- static const bool result =
- QOperatingSystemVersion::current() >= QOperatingSystemVersion::Windows8;
+ static const bool result = ::IsWindows8OrGreater();
return result;
}
static inline bool isWin8Point1OrGreater() {
- static const bool result =
- QOperatingSystemVersion::current() >= QOperatingSystemVersion::Windows8_1;
+ static const bool result = ::IsWindows8Point1OrGreater();
return result;
}
static inline bool isWin10OrGreater() {
- static const bool result =
- QOperatingSystemVersion::current() >= QOperatingSystemVersion::Windows10;
+ static const bool result = ::IsWindows10OrGreater();
+ return result;
+ }
+
+ static inline bool isWin11OrGreater() {
+ static const bool result = ::IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_WIN10), LOBYTE(_WIN32_WINNT_WIN10), 22000);
return result;
}
@@ -235,8 +237,8 @@
return apis.pGetDpiForWindow(hwnd);
} else if (apis.pGetDpiForMonitor) { // Win8.1
HMONITOR monitor = ::MonitorFromWindow(hwnd, MONITOR_DEFAULTTONEAREST);
- UINT dpiX{USER_DEFAULT_SCREEN_DPI};
- UINT dpiY{USER_DEFAULT_SCREEN_DPI};
+ UINT dpiX{0};
+ UINT dpiY{0};
apis.pGetDpiForMonitor(monitor, MDT_EFFECTIVE_DPI, &dpiX, &dpiY);
return dpiX;
} else { // Win2K
@@ -381,6 +383,117 @@
const qreal m_ms = (qreal(1000) * m / qreal(freq.QuadPart));
::Sleep(static_cast<DWORD>(std::round(m_ms)));
apis.ptimeEndPeriod(ms_granularity);
+ }
+
+ static inline void showSystemMenu2(HWND hWnd, const POINT &pos, const bool selectFirstEntry)
+ {
+ const HMENU hMenu = ::GetSystemMenu(hWnd, FALSE);
+ if (!hMenu) {
+ // The corresponding window doesn't have a system menu, most likely due to the
+ // lack of the "WS_SYSMENU" window style. This situation should not be treated
+ // as an error so just ignore it and return early.
+ return;
+ }
+
+ // Tweak the menu items according to the current window status and user settings.
+ const bool disableClose = /*data->callbacks->getProperty(kSysMenuDisableCloseVar, false).toBool()*/false;
+ const bool disableRestore = /*data->callbacks->getProperty(kSysMenuDisableRestoreVar, false).toBool()*/false;
+ const bool disableMinimize = /*data->callbacks->getProperty(kSysMenuDisableMinimizeVar, false).toBool()*/false;
+ const bool disableMaximize = /*data->callbacks->getProperty(kSysMenuDisableMaximizeVar, false).toBool()*/false;
+ const bool disableSize = /*data->callbacks->getProperty(kSysMenuDisableSizeVar, false).toBool()*/false;
+ const bool disableMove = /*data->callbacks->getProperty(kSysMenuDisableMoveVar, false).toBool()*/false;
+ const bool removeClose = /*data->callbacks->getProperty(kSysMenuRemoveCloseVar, false).toBool()*/false;
+ const bool removeSeparator = /*data->callbacks->getProperty(kSysMenuRemoveSeparatorVar, false).toBool()*/false;
+ const bool removeRestore = /*data->callbacks->getProperty(kSysMenuRemoveRestoreVar, false).toBool()*/false;
+ const bool removeMinimize = /*data->callbacks->getProperty(kSysMenuRemoveMinimizeVar, false).toBool()*/false;
+ const bool removeMaximize = /*data->callbacks->getProperty(kSysMenuRemoveMaximizeVar, false).toBool()*/false;
+ const bool removeSize = /*data->callbacks->getProperty(kSysMenuRemoveSizeVar, false).toBool()*/false;
+ const bool removeMove = /*data->callbacks->getProperty(kSysMenuRemoveMoveVar, false).toBool()*/false;
+ const bool maxOrFull = IsMaximized(hWnd) || isFullScreen(hWnd);
+ const bool fixedSize = /*data->callbacks->isWindowFixedSize()*/false;
+ if (removeClose) {
+ ::DeleteMenu(hMenu, SC_CLOSE, MF_BYCOMMAND);
+ } else {
+ ::EnableMenuItem(hMenu, SC_CLOSE, (MF_BYCOMMAND | (disableClose ? MFS_DISABLED : MFS_ENABLED)));
+ }
+ if (removeSeparator) {
+ // Looks like we must use 0 for the second parameter here, otherwise we can't remove the separator.
+ ::DeleteMenu(hMenu, 0, MFT_SEPARATOR);
+ }
+ if (removeMaximize) {
+ ::DeleteMenu(hMenu, SC_MAXIMIZE, MF_BYCOMMAND);
+ } else {
+ ::EnableMenuItem(hMenu, SC_MAXIMIZE, (MF_BYCOMMAND | ((maxOrFull || fixedSize || disableMaximize) ? MFS_DISABLED : MFS_ENABLED)));
+ }
+ if (removeRestore) {
+ ::DeleteMenu(hMenu, SC_RESTORE, MF_BYCOMMAND);
+ } else {
+ ::EnableMenuItem(hMenu, SC_RESTORE, (MF_BYCOMMAND | ((maxOrFull && !fixedSize && !disableRestore) ? MFS_ENABLED : MFS_DISABLED)));
+ // The first menu item should be selected by default if the menu is brought
+ // up by keyboard. I don't know how to pre-select a menu item but it seems
+ // highlight can do the job. However, there's an annoying issue if we do
+ // this manually: the highlighted menu item is really only highlighted,
+ // not selected, so even if the mouse cursor hovers on other menu items
+ // or the user navigates to other menu items through keyboard, the original
+ // highlight bar will not move accordingly, the OS will generate another
+ // highlight bar to indicate the current selected menu item, which will make
+ // the menu look kind of weird. Currently I don't know how to fix this issue.
+ ::HiliteMenuItem(hWnd, hMenu, SC_RESTORE, (MF_BYCOMMAND | (selectFirstEntry ? MFS_HILITE : MFS_UNHILITE)));
+ }
+ if (removeMinimize) {
+ ::DeleteMenu(hMenu, SC_MINIMIZE, MF_BYCOMMAND);
+ } else {
+ ::EnableMenuItem(hMenu, SC_MINIMIZE, (MF_BYCOMMAND | (disableMinimize ? MFS_DISABLED : MFS_ENABLED)));
+ }
+ if (removeSize) {
+ ::DeleteMenu(hMenu, SC_SIZE, MF_BYCOMMAND);
+ } else {
+ ::EnableMenuItem(hMenu, SC_SIZE, (MF_BYCOMMAND | ((maxOrFull || fixedSize || disableSize || disableMinimize || disableMaximize) ? MFS_DISABLED : MFS_ENABLED)));
+ }
+ if (removeMove) {
+ ::DeleteMenu(hMenu, SC_MOVE, MF_BYCOMMAND);
+ } else {
+ ::EnableMenuItem(hMenu, SC_MOVE, (MF_BYCOMMAND | ((maxOrFull || disableMove) ? MFS_DISABLED : MFS_ENABLED)));
+ }
+
+ // The default menu item will appear in bold font. There can only be one default
+ // menu item per menu at most. Set the item ID to "UINT_MAX" (or simply "-1")
+ // can clear the default item for the given menu.
+ std::optional<UINT> defaultItemId = std::nullopt;
+ if (isWin11OrGreater()) {
+ if (maxOrFull) {
+ if (!removeRestore) {
+ defaultItemId = SC_RESTORE;
+ }
+ } else {
+ if (!removeMaximize) {
+ defaultItemId = SC_MAXIMIZE;
+ }
+ }
+ }
+ if (!(defaultItemId.has_value() || removeClose)) {
+ defaultItemId = SC_CLOSE;
+ }
+ ::SetMenuDefaultItem(hMenu, defaultItemId.value_or(UINT_MAX), FALSE);
+
+ ::DrawMenuBar(hWnd);
+
+ // Popup the system menu at the required position.
+ const auto result = ::TrackPopupMenu(hMenu, (TPM_RETURNCMD | (QGuiApplication::isRightToLeft() ? TPM_RIGHTALIGN : TPM_LEFTALIGN)), pos.x, pos.y, 0, hWnd, nullptr);
+
+ if (!removeRestore) {
+ // Unhighlight the first menu item after the popup menu is closed, otherwise it will keep
+ // highlighting until we unhighlight it manually.
+ ::HiliteMenuItem(hWnd, hMenu, SC_RESTORE, (MF_BYCOMMAND | MFS_UNHILITE));
+ }
+
+ if (!result) {
+ // The user canceled the menu, no need to continue.
+ return;
+ }
+
+ // Send the command that the user chooses to the corresponding window.
+ ::PostMessageW(hWnd, WM_SYSCOMMAND, result, 0);
}
static inline Win32WindowContext::WindowPart getHitWindowPart(int hitTestResult) {
@@ -1536,6 +1649,86 @@
bool Win32WindowContext::systemMenuHandler(HWND hWnd, UINT message, WPARAM wParam,
LPARAM lParam, LRESULT *result) {
+ const auto getNativePosFromMouse = [lParam]() -> POINT {
+ return {GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam)};
+ };
+ const auto getNativeGlobalPosFromKeyboard = [hWnd]() -> POINT {
+ const bool maxOrFull = IsMaximized(hWnd) || isFullScreen(hWnd);
+ const quint32 frameSize = getResizeBorderThickness(hWnd);
+ const quint32 horizontalOffset = ((maxOrFull || !isWin10OrGreater()) ? 0 : frameSize);
+ const auto verticalOffset = [hWnd, maxOrFull, frameSize]() -> quint32 {
+ const quint32 titleBarHeight = getTitleBarHeight(hWnd);
+ if (!isWin10OrGreater()) {
+ return titleBarHeight;
+ }
+ if (isWin11OrGreater()) {
+ if (maxOrFull) {
+ return (titleBarHeight + frameSize);
+ }
+ return titleBarHeight;
+ }
+ if (maxOrFull) {
+ return titleBarHeight;
+ }
+ return titleBarHeight - frameSize;
+ }();
+ RECT windowPos{};
+ ::GetWindowRect(hWnd, &windowPos);
+ return {static_cast<LONG>(windowPos.left + horizontalOffset), static_cast<LONG>(windowPos.top + verticalOffset)};
+ };
+ bool shouldShowSystemMenu = false;
+ bool broughtByKeyboard = false;
+ POINT nativeGlobalPos{};
+ switch (message) {
+ case WM_RBUTTONUP: {
+ const POINT nativeLocalPos = getNativePosFromMouse();
+ const QPoint qtScenePos = QHighDpi::fromNativeLocalPosition(QPoint(nativeLocalPos.x, nativeLocalPos.y), m_windowHandle);
+ if (isInTitleBarDraggableArea(qtScenePos)) {
+ shouldShowSystemMenu = true;
+ nativeGlobalPos = nativeLocalPos;
+ ::ClientToScreen(hWnd, &nativeGlobalPos);
+ }
+ break;
+ }
+ case WM_NCRBUTTONUP: {
+ if (wParam == HTCAPTION) {
+ shouldShowSystemMenu = true;
+ nativeGlobalPos = getNativePosFromMouse();
+ }
+ break;
+ }
+ case WM_SYSCOMMAND: {
+ const WPARAM filteredWParam = (wParam & 0xFFF0);
+ if ((filteredWParam == SC_KEYMENU) && (lParam == VK_SPACE)) {
+ shouldShowSystemMenu = true;
+ broughtByKeyboard = true;
+ nativeGlobalPos = getNativeGlobalPosFromKeyboard();
+ }
+ break;
+ }
+ case WM_KEYDOWN:
+ case WM_SYSKEYDOWN: {
+ const bool altPressed = ((wParam == VK_MENU) || (::GetKeyState(VK_MENU) < 0));
+ const bool spacePressed = ((wParam == VK_SPACE) || (::GetKeyState(VK_SPACE) < 0));
+ if (altPressed && spacePressed) {
+ shouldShowSystemMenu = true;
+ broughtByKeyboard = true;
+ nativeGlobalPos = getNativeGlobalPosFromKeyboard();
+ }
+ break;
+ }
+ default:
+ break;
+ }
+ if (shouldShowSystemMenu) {
+ showSystemMenu2(hWnd, nativeGlobalPos, broughtByKeyboard);
+ // QPA's internal code will handle system menu events separately, and its
+ // behavior is not what we would want to see because it doesn't know our
+ // window doesn't have any window frame now, so return early here to avoid
+ // entering Qt's own handling logic.
+ *result = FALSE;
+ return true;
+ }
return false;
}
--
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