From a51b5688e1c33d3ce96b48c869603b00f908f513 Mon Sep 17 00:00:00 2001
From: Sine Striker <trueful@163.com>
Date: 周三, 13 12月 2023 04:16:37 +0800
Subject: [PATCH] Make better code structure for border handlers
---
src/core/contexts/win32windowcontext.cpp | 420 ++++++++++++++++++++++++++++++++++++++++++++++++-----------
1 files changed, 342 insertions(+), 78 deletions(-)
diff --git a/src/core/contexts/win32windowcontext.cpp b/src/core/contexts/win32windowcontext.cpp
index 2168e44..a706835 100644
--- a/src/core/contexts/win32windowcontext.cpp
+++ b/src/core/contexts/win32windowcontext.cpp
@@ -4,9 +4,13 @@
#include <QtCore/QHash>
#include <QtCore/QScopeGuard>
+#include <QtCore/QTimer>
#include <QtGui/QGuiApplication>
#include <QtGui/QPainter>
+#include <QtGui/QPalette>
+#include <QtGui/QStyleHints>
+#include <QtCore/private/qwinregistry_p.h>
#include <QtCore/private/qsystemlibrary_p.h>
#include <QtGui/private/qhighdpiscaling_p.h>
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
@@ -22,9 +26,9 @@
#include <shellscalingapi.h>
#include <dwmapi.h>
#include <timeapi.h>
-#include <versionhelpers.h>
-#include "nativeeventfilter.h"
+#include "nativeeventfilter_p.h"
+#include "qwkglobal_p.h"
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
Q_DECLARE_METATYPE(QMargins)
@@ -32,8 +36,42 @@
namespace QWK {
+ enum _DWMWINDOWATTRIBUTE {
+ // [set] BOOL, Allows the use of host backdrop brushes for the window.
+ _DWMWA_USE_HOSTBACKDROPBRUSH = 17,
+
+ // Undocumented, the same with DWMWA_USE_IMMERSIVE_DARK_MODE, but available on systems
+ // before Win10 20H1.
+ _DWMWA_USE_IMMERSIVE_DARK_MODE_BEFORE_20H1 = 19,
+
+ // [set] BOOL, Allows a window to either use the accent color, or dark, according to the
+ // user Color Mode preferences.
+ _DWMWA_USE_IMMERSIVE_DARK_MODE = 20,
+
+ // [set] WINDOW_CORNER_PREFERENCE, Controls the policy that rounds top-level window corners
+ _DWMWA_WINDOW_CORNER_PREFERENCE = 33,
+
+ // [get] UINT, width of the visible border around a thick frame window
+ _DWMWA_VISIBLE_FRAME_BORDER_THICKNESS = 37,
+
+ // [get, set] SYSTEMBACKDROP_TYPE, Controls the system-drawn backdrop material of a window,
+ // including behind the non-client area.
+ _DWMWA_SYSTEMBACKDROP_TYPE = 38,
+
+ // Undocumented, use this value to enable Mica material on Win11 21H2. You should use
+ // DWMWA_SYSTEMBACKDROP_TYPE instead on Win11 22H2 and newer.
+ _DWMWA_MICA_EFFECT = 1029
+ };
+
// The thickness of an auto-hide taskbar in pixels.
- static constexpr const auto kAutoHideTaskBarThickness = quint8{2};
+ static constexpr const quint8 kAutoHideTaskBarThickness = 2;
+
+ QWK_USED static constexpr const struct {
+ const uint32_t activeLight = MAKE_RGBA_COLOR(110, 110, 110, 255); // #6E6E6E
+ const uint32_t activeDark = MAKE_RGBA_COLOR(51, 51, 51, 255); // #333333
+ const uint32_t inactiveLight = MAKE_RGBA_COLOR(167, 167, 167, 255); // #A7A7A7
+ const uint32_t inactiveDark = MAKE_RGBA_COLOR(61, 61, 62, 255); // #3D3D3E
+ } kWindowsColorSet;
// hWnd -> context
using WndProcHash = QHash<HWND, Win32WindowContext *>;
@@ -53,23 +91,30 @@
} g_hook{};
struct DynamicApis {
-// template <typename T>
-// struct DefaultFunc;
-//
-// template <typename Return, typename... Args>
-// struct DefaultFunc<Return(QT_WIN_CALLBACK *)(Args...)> {
-// static Return STDAPICALLTYPE func(Args...) {
-// return Return{};
-// }
-// };
-//
-// #define DYNAMIC_API_DECLARE(NAME) decltype(&::NAME) p##NAME =
-// DefaultFunc<decltype(&::NAME)>::func
+ static const DynamicApis &instance() {
+ static const DynamicApis inst{};
+ return inst;
+ }
+
+ // template <typename T>
+ // struct DefaultFunc;
+ //
+ // template <typename Return, typename... Args>
+ // struct DefaultFunc<Return(QT_WIN_CALLBACK *)(Args...)> {
+ // static Return STDAPICALLTYPE func(Args...) {
+ // return Return{};
+ // }
+ // };
+ //
+ // #define DYNAMIC_API_DECLARE(NAME) decltype(&::NAME) p##NAME =
+ // DefaultFunc<decltype(&::NAME)>::func
+
#define DYNAMIC_API_DECLARE(NAME) decltype(&::NAME) p##NAME = nullptr
DYNAMIC_API_DECLARE(DwmFlush);
DYNAMIC_API_DECLARE(DwmIsCompositionEnabled);
DYNAMIC_API_DECLARE(DwmGetCompositionTimingInfo);
+ DYNAMIC_API_DECLARE(DwmGetWindowAttribute);
DYNAMIC_API_DECLARE(GetDpiForWindow);
DYNAMIC_API_DECLARE(GetSystemMetricsForDpi);
DYNAMIC_API_DECLARE(GetDpiForMonitor);
@@ -79,6 +124,7 @@
#undef DYNAMIC_API_DECLARE
+ private:
DynamicApis() {
#define DYNAMIC_API_RESOLVE(DLL, NAME) \
p##NAME = reinterpret_cast<decltype(p##NAME)>(DLL.resolve(#NAME))
@@ -94,6 +140,7 @@
DYNAMIC_API_RESOLVE(dwmapi, DwmFlush);
DYNAMIC_API_RESOLVE(dwmapi, DwmIsCompositionEnabled);
DYNAMIC_API_RESOLVE(dwmapi, DwmGetCompositionTimingInfo);
+ DYNAMIC_API_RESOLVE(dwmapi, DwmGetWindowAttribute);
QSystemLibrary winmm(QStringLiteral("winmm"));
DYNAMIC_API_RESOLVE(winmm, timeGetDevCaps);
@@ -105,12 +152,6 @@
~DynamicApis() = default;
- static const DynamicApis &instance() {
- static const DynamicApis inst{};
- return inst;
- }
-
- private:
Q_DISABLE_COPY_MOVE(DynamicApis)
};
@@ -195,23 +236,22 @@
}
static inline bool isWin8OrGreater() {
- static const bool result = ::IsWindows8OrGreater();
+ static const bool result = IsWindows8OrGreater_Real();
return result;
}
static inline bool isWin8Point1OrGreater() {
- static const bool result = ::IsWindows8Point1OrGreater();
+ static const bool result = IsWindows8Point1OrGreater_Real();
return result;
}
static inline bool isWin10OrGreater() {
- static const bool result = ::IsWindows10OrGreater();
+ static const bool result = IsWindows10OrGreater_Real();
return result;
}
static inline bool isWin11OrGreater() {
- static const bool result = ::IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_WIN10),
- LOBYTE(_WIN32_WINNT_WIN10), 22000);
+ static const bool result = IsWindows11OrGreater_Real();
return result;
}
@@ -225,6 +265,72 @@
}
BOOL enabled = FALSE;
return SUCCEEDED(apis.pDwmIsCompositionEnabled(&enabled)) && enabled;
+ }
+
+ static inline bool isWindowFrameBorderColorized() {
+ const QWinRegistryKey registry(HKEY_CURRENT_USER, LR"(Software\Microsoft\Windows\DWM)");
+ if (!registry.isValid()) {
+ return false;
+ }
+ const auto value = registry.dwordValue(L"ColorPrevalence");
+ if (!value.second) {
+ return false;
+ }
+ return value.first;
+ }
+
+ static inline bool isDarkThemeActive() {
+#if QT_VERSION >= QT_VERSION_CHECK(6, 5, 0)
+ return QGuiApplication::styleHints()->colorScheme() == Qt::ColorScheme::Dark;
+#else
+ const QWinRegistryKey registry(
+ HKEY_CURRENT_USER, LR"(Software\Microsoft\Windows\CurrentVersion\Themes\Personalize)");
+ if (!registry.isValid()) {
+ return false;
+ }
+ const auto value = registry.dwordValue(L"AppsUseLightTheme");
+ if (!value.second) {
+ return false;
+ }
+ return !value.first;
+#endif
+ }
+
+ static inline bool isDarkWindowFrameEnabled(HWND hwnd) {
+ BOOL enabled = FALSE;
+ const DynamicApis &apis = DynamicApis::instance();
+ if (SUCCEEDED(apis.pDwmGetWindowAttribute(hwnd, _DWMWA_USE_IMMERSIVE_DARK_MODE, &enabled,
+ sizeof(enabled)))) {
+ return enabled;
+ } else if (SUCCEEDED(apis.pDwmGetWindowAttribute(hwnd,
+ _DWMWA_USE_IMMERSIVE_DARK_MODE_BEFORE_20H1,
+ &enabled, sizeof(enabled)))) {
+ return enabled;
+ } else {
+ return false;
+ }
+ }
+
+ static inline QColor getAccentColor() {
+#if QT_VERSION >= QT_VERSION_CHECK(6, 6, 0)
+ return QGuiApplication::palette().color(QPalette::Accent);
+#else
+ const QWinRegistryKey registry(HKEY_CURRENT_USER, LR"(Software\Microsoft\Windows\DWM)");
+ if (!registry.isValid()) {
+ return {};
+ }
+ const auto value = registry.dwordValue(L"AccentColor");
+ if (!value.second) {
+ return {};
+ }
+ // The retrieved value is in the #AABBGGRR format, we need to
+ // convert it to the #AARRGGBB format which Qt expects.
+ const QColor abgr = QColor::fromRgba(value.first);
+ if (!abgr.isValid()) {
+ return {};
+ }
+ return QColor::fromRgb(abgr.blue(), abgr.green(), abgr.red(), abgr.alpha());
+#endif
}
static inline void triggerFrameChange(HWND hwnd) {
@@ -246,43 +352,49 @@
} else { // Win2K
HDC hdc = ::GetDC(nullptr);
const int dpiX = ::GetDeviceCaps(hdc, LOGPIXELSX);
- const int dpiY = ::GetDeviceCaps(hdc, LOGPIXELSY);
+ // const int dpiY = ::GetDeviceCaps(hdc, LOGPIXELSY);
::ReleaseDC(nullptr, hdc);
return quint32(dpiX);
}
}
- static inline quint32 getResizeBorderThickness(HWND hwnd) {
+ static inline quint32 getSystemMetricsForDpi(int index, quint32 dpi) {
const DynamicApis &apis = DynamicApis::instance();
if (apis.pGetSystemMetricsForDpi) {
- const quint32 dpi = getDpiForWindow(hwnd);
- return apis.pGetSystemMetricsForDpi(SM_CXSIZEFRAME, dpi) +
- apis.pGetSystemMetricsForDpi(SM_CXPADDEDBORDER, dpi);
- } else {
- return ::GetSystemMetrics(SM_CXSIZEFRAME) + ::GetSystemMetrics(SM_CXPADDEDBORDER);
+ 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 auto captionHeight = [hwnd]() -> int {
- const DynamicApis &apis = DynamicApis::instance();
- if (apis.pGetSystemMetricsForDpi) {
- const quint32 dpi = getDpiForWindow(hwnd);
- return apis.pGetSystemMetricsForDpi(SM_CYCAPTION, dpi);
- } else {
- return ::GetSystemMetrics(SM_CYCAPTION);
- }
- }();
- return captionHeight + getResizeBorderThickness(hwnd);
+ const quint32 dpi = getDpiForWindow(hwnd);
+ return getSystemMetricsForDpi(SM_CYCAPTION, dpi) +
+ getSystemMetricsForDpi(SM_CXSIZEFRAME, dpi) +
+ getSystemMetricsForDpi(SM_CXPADDEDBORDER, dpi);
}
- static inline void updateInternalWindowFrameMargins(HWND hwnd, QWindow *window) {
+ static void updateInternalWindowFrameMargins(HWND hwnd, QWindow *window) {
const auto margins = [hwnd]() -> QMargins {
- const int titleBarHeight = getTitleBarHeight(hwnd);
+ const auto titleBarHeight = int(getTitleBarHeight(hwnd));
if (isWin10OrGreater()) {
return {0, -titleBarHeight, 0, 0};
} else {
- const int frameSize = getResizeBorderThickness(hwnd);
+ const auto frameSize = int(getResizeBorderThickness(hwnd));
return {-frameSize, -titleBarHeight, -frameSize, -frameSize};
}
}();
@@ -342,7 +454,7 @@
#endif
}
- static inline void syncPaintEventWithDwm() {
+ static void syncPaintEventWithDwm() {
// No need to sync with DWM if DWM composition is disabled.
if (!isDwmCompositionEnabled()) {
return;
@@ -387,9 +499,9 @@
apis.ptimeEndPeriod(ms_granularity);
}
- static inline void showSystemMenu2(HWND hWnd, const POINT &pos, const bool selectFirstEntry,
- const bool fixedSize) {
- const HMENU hMenu = ::GetSystemMenu(hWnd, FALSE);
+ static void showSystemMenu2(HWND hWnd, const POINT &pos, const bool selectFirstEntry,
+ const bool fixedSize) {
+ 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
@@ -478,7 +590,8 @@
case HTBORDER:
return Win32WindowContext::FixedBorder;
default:
- break; // unreachable
+ // unreachable
+ break;
}
return Win32WindowContext::Outside;
}
@@ -671,41 +784,88 @@
}
QString Win32WindowContext::key() const {
- return "win32";
+ return QStringLiteral("win32");
}
void Win32WindowContext::virtual_hook(int id, void *data) {
switch (id) {
+ case CentralizeHook: {
+ const auto hwnd = reinterpret_cast<HWND>(m_windowHandle->winId());
+ moveToDesktopCenter(hwnd);
+ return;
+ }
+
case ShowSystemMenuHook: {
- const auto &pos = *reinterpret_cast<const QPoint *>(data);
- auto winId = m_windowHandle->winId();
- auto hWnd = reinterpret_cast<HWND>(winId);
- showSystemMenu2(hWnd, {pos.x(), pos.y()}, false,
+ const auto &pos = *static_cast<const QPoint *>(data);
+ auto hWnd = reinterpret_cast<HWND>(m_windowHandle->winId());
+ showSystemMenu2(hWnd, qpoint2point(pos), false,
m_delegate->isHostSizeFixed(m_host));
return;
}
- case NeedsDrawBordersHook: {
- auto &result = *reinterpret_cast<bool *>(data);
- result = isWin10OrGreater() && !isWin11OrGreater();
+
+ case DefaultColorsHook: {
+ auto &map = *static_cast<QMap<QString, QColor> *>(data);
+ map.clear();
+ map.insert(QStringLiteral("activeLight"), kWindowsColorSet.activeLight);
+ map.insert(QStringLiteral("activeDark"), kWindowsColorSet.activeDark);
+ map.insert(QStringLiteral("inactiveLight"), kWindowsColorSet.inactiveLight);
+ map.insert(QStringLiteral("inactiveDark"), kWindowsColorSet.inactiveDark);
return;
}
- case DrawBordersHook: {
- auto a = reinterpret_cast<void **>(data);
- auto &painter = *reinterpret_cast<QPainter *>(a[0]);
- auto &rect = *reinterpret_cast<const QRect *>(a[1]);
- auto ®ion = *reinterpret_cast<const QRegion *>(a[2]);
- qDebug() << "paint" << &painter << rect << region;
+ case DrawWindows10BorderHook: {
+ auto args = static_cast<void **>(data);
+ auto &painter = *static_cast<QPainter *>(args[0]);
+ const auto &rect = *static_cast<const QRect *>(args[1]);
+ const auto ®ion = *static_cast<const QRegion *>(args[2]);
+ const auto hwnd = reinterpret_cast<HWND>(m_windowHandle->winId());
- // TODO: Draw border
- // ...
+ QPen pen;
+ pen.setWidth(getWindowFrameBorderThickness(hwnd) * 2);
+ const bool dark = isDarkThemeActive() && isDarkWindowFrameEnabled(hwnd);
+ if (m_delegate->isWindowActive(m_host)) {
+ if (isWindowFrameBorderColorized()) {
+ pen.setColor(getAccentColor());
+ } else {
+ static QColor frameBorderActiveColorLight(kWindowsColorSet.activeLight);
+ static QColor frameBorderActiveColorDark(kWindowsColorSet.activeDark);
+ pen.setColor(dark ? frameBorderActiveColorDark
+ : frameBorderActiveColorLight);
+ }
+ } else {
+ static QColor frameBorderInactiveColorLight(kWindowsColorSet.inactiveLight);
+ static QColor frameBorderInactiveColorDark(kWindowsColorSet.inactiveDark);
+ pen.setColor(dark ? frameBorderInactiveColorDark
+ : frameBorderInactiveColorLight);
+ }
+ painter.save();
+
+ // ### TODO: do we need to enable or disable it?
+ painter.setRenderHint(QPainter::Antialiasing);
+
+ painter.setPen(pen);
+ painter.drawLine(QLine{
+ QPoint{0, 0},
+ QPoint{m_windowHandle->width(), 0}
+ });
+ painter.restore();
+ }
+
+ default: {
+ // unreachable
break;
}
- default:
- break;
}
AbstractWindowContext::virtual_hook(id, data);
+ }
+
+ bool Win32WindowContext::needBorderPainter() const {
+ return isWin10OrGreater() && !isWin11OrGreater();
+ }
+
+ int Win32WindowContext::borderThickness() const {
+ return getWindowFrameBorderThickness(reinterpret_cast<HWND>(windowId));
}
bool Win32WindowContext::setupHost() {
@@ -768,18 +928,22 @@
return true;
}
+ // Whether to show system menu
if (systemMenuHandler(hWnd, message, wParam, lParam, result)) {
+ return true;
+ }
+
+ if (themeStuffHandler(hWnd, message, wParam, lParam, result)) {
return true;
}
return false; // Not handled
}
- static constexpr const auto kMessageTag = WPARAM(0xF1C9ADD4);
-
- static inline constexpr bool isTaggedMessage(WPARAM wParam) {
- return (wParam == kMessageTag);
- }
+ QWK_USED static constexpr const struct {
+ const WPARAM wParam = MAKEWPARAM(44500, 61897);
+ const LPARAM lParam = MAKELPARAM(62662, 44982); // Not used. Reserve for future use.
+ } kMessageTag;
static inline quint64 getKeyState() {
quint64 result = 0;
@@ -819,7 +983,7 @@
// wParam is always ignored in mouse leave messages, but here we
// give them a special tag to be able to distinguish which messages
// are sent by ourselves.
- return kMessageTag;
+ return kMessageTag.wParam;
}
const quint64 keyState = getKeyState();
if ((myMsg >= WM_NCXBUTTONDOWN) && (myMsg <= WM_NCXBUTTONDBLCLK)) {
@@ -897,6 +1061,7 @@
SEND_MESSAGE(hWnd, WM_MOUSELEAVE, wParamNew, lParamNew);
break;
default:
+ // unreachable
break;
}
@@ -919,7 +1084,7 @@
LPARAM lParam, LRESULT *result) {
switch (message) {
case WM_MOUSELEAVE: {
- if (!isTaggedMessage(wParam)) {
+ if (wParam != kMessageTag.wParam) {
// Qt will call TrackMouseEvent() to get the WM_MOUSELEAVE message when it
// receives WM_MOUSEMOVE messages, and since we are converting every
// WM_NCMOUSEMOVE message to WM_MOUSEMOVE message and send it back to the window
@@ -1069,6 +1234,7 @@
}
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�
@@ -1181,7 +1347,7 @@
// this is also the normal behavior of a native Win32 window (but only when the
// window is not maximized/fullscreen/minimized, of course).
if (isWindowNoState(hWnd)) {
- static constexpr const auto kBorderSize = quint8{2};
+ static constexpr const quint8 kBorderSize = 2;
bool isTop = (nativeLocalPos.y <= kBorderSize);
bool isLeft = nativeLocalPos.x <= kBorderSize;
bool isRight = (nativeLocalPos.x >= (clientWidth - kBorderSize));
@@ -1231,7 +1397,8 @@
*result = HTCLOSE;
break;
default:
- break; // unreachable
+ // unreachable
+ break;
}
}
if (*result == HTNOWHERE) {
@@ -1356,9 +1523,27 @@
return true;
}
}
+
+ case WM_WINDOWPOSCHANGING: {
+ // ### FIXME: How does this problem happen and why is it solved?
+ // When toggling the "Show theme color in title bar and window border" setting in
+ // Windows Settings, or calling `DrawMenuBar()`, Windows sends a message of
+ // WM_WINDOWPOSCHANGING with flags 0x37. If we do not process this message,
+ // the client area as a whole will shift to the left, which looks very abnormal if
+ // we don't repaint it. This exception disappears if we add SWP_NOCOPYBITS flag.
+ // But I don't know what caused the problem, or why this would solve it.
+ const auto windowPos = reinterpret_cast<LPWINDOWPOS>(lParam);
+ if (windowPos->flags ==
+ (SWP_NOSIZE | SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE | SWP_FRAMECHANGED)) {
+ windowPos->flags |= SWP_NOCOPYBITS;
+ }
+ break;
+ }
+
default:
break;
}
+
if (!isWin10OrGreater()) {
switch (message) {
case WM_NCUAHDRAWCAPTION:
@@ -1738,4 +1923,83 @@
return false;
}
+ bool Win32WindowContext::themeStuffHandler(HWND hWnd, UINT message, WPARAM wParam,
+ LPARAM lParam, LRESULT *resul) {
+ switch (message) {
+ case WM_DPICHANGED: {
+ const auto dpiX = UINT(LOWORD(wParam));
+ const auto dpiY = UINT(HIWORD(wParam));
+
+ QEvent e(QEvent::ScreenChangeInternal);
+ dispatch(&e);
+ break;
+ }
+
+ case WM_THEMECHANGED:
+ case WM_SYSCOLORCHANGE: {
+ QEvent e(QEvent::UpdateRequest);
+ dispatch(&e);
+ break;
+ }
+
+ case WM_DWMCOLORIZATIONCOLORCHANGED: {
+ const QColor color = QColor::fromRgba(wParam);
+ const auto blendWithOpacity = *reinterpret_cast<LPBOOL>(lParam);
+
+ QEvent e(QEvent::UpdateRequest);
+ dispatch(&e);
+ break;
+ }
+
+ case WM_SETTINGCHANGE: {
+ if (!wParam && lParam &&
+ std::wcscmp(reinterpret_cast<LPCWSTR>(lParam), L"ImmersiveColorSet") == 0) {
+ const QColor color = getAccentColor();
+ }
+
+ QEvent e(QEvent::UpdateRequest);
+ dispatch(&e);
+ break;
+ }
+
+ case WM_SIZE: {
+ const bool max = wParam == SIZE_MAXIMIZED;
+ const bool min = wParam == SIZE_MINIMIZED;
+ const bool full = isFullScreen(hWnd);
+
+ Qt::WindowStates states{};
+ if (max) {
+ states |= Qt::WindowMaximized;
+ }
+ if (min) {
+ states |= Qt::WindowMinimized;
+ }
+ if (full) {
+ states |= Qt::WindowFullScreen;
+ }
+
+ QTimer::singleShot(0, this, [this, states] {
+ QWindowStateChangeEvent e(states);
+ dispatch(&e);
+ });
+ break;
+ }
+
+ case WM_ACTIVATE: {
+ const auto state = LOWORD(wParam);
+ const bool active = state == WA_ACTIVE || state == WA_CLICKACTIVE;
+ Q_UNUSED(state)
+
+ QTimer::singleShot(0, this, [this, active] {
+ QEvent e(active ? QEvent::WindowActivate : QEvent::WindowDeactivate);
+ dispatch(&e);
+ });
+ break;
+ }
+ default:
+ break;
+ }
+ return false;
+ }
+
}
--
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