From 677e7a737897e8c2a60564085821545810369e02 Mon Sep 17 00:00:00 2001
From: Sine Striker <trueful@163.com>
Date: 周一, 11 12月 2023 22:43:14 +0800
Subject: [PATCH] Widgets: Add window state handler
---
src/core/contexts/win32windowcontext.cpp | 135 ++++++++++++++++++++++++++++++++-------------
1 files changed, 96 insertions(+), 39 deletions(-)
diff --git a/src/core/contexts/win32windowcontext.cpp b/src/core/contexts/win32windowcontext.cpp
index efd4d59..ea68c0d 100644
--- a/src/core/contexts/win32windowcontext.cpp
+++ b/src/core/contexts/win32windowcontext.cpp
@@ -34,15 +34,25 @@
namespace QWK {
- using _DWMWINDOWATTRIBUTE = enum _DWMWINDOWATTRIBUTE
- {
- _DWMWA_USE_HOSTBACKDROPBRUSH = 17, // [set] BOOL, Allows the use of host backdrop brushes for the window.
- _DWMWA_USE_IMMERSIVE_DARK_MODE_BEFORE_20H1 = 19, // Undocumented, the same with DWMWA_USE_IMMERSIVE_DARK_MODE, but available on systems before Win10 20H1.
- _DWMWA_USE_IMMERSIVE_DARK_MODE = 20, // [set] BOOL, Allows a window to either use the accent color, or dark, according to the user Color Mode preferences.
- _DWMWA_WINDOW_CORNER_PREFERENCE = 33, // [set] WINDOW_CORNER_PREFERENCE, Controls the policy that rounds top-level window corners
- _DWMWA_VISIBLE_FRAME_BORDER_THICKNESS = 37, // [get] UINT, width of the visible border around a thick frame window
- _DWMWA_SYSTEMBACKDROP_TYPE = 38, // [get, set] SYSTEMBACKDROP_TYPE, Controls the system-drawn backdrop material of a window, including behind the non-client area.
- _DWMWA_MICA_EFFECT = 1029 // Undocumented, use this value to enable Mica material on Win11 21H2. You should use DWMWA_SYSTEMBACKDROP_TYPE instead on Win11 22H2 and newer.
+ using _DWMWINDOWATTRIBUTE = enum _DWMWINDOWATTRIBUTE {
+ _DWMWA_USE_HOSTBACKDROPBRUSH =
+ 17, // [set] BOOL, Allows the use of host backdrop brushes for the window.
+ _DWMWA_USE_IMMERSIVE_DARK_MODE_BEFORE_20H1 =
+ 19, // Undocumented, the same with DWMWA_USE_IMMERSIVE_DARK_MODE, but available on
+ // systems before Win10 20H1.
+ _DWMWA_USE_IMMERSIVE_DARK_MODE =
+ 20, // [set] BOOL, Allows a window to either use the accent color, or dark, according to
+ // the user Color Mode preferences.
+ _DWMWA_WINDOW_CORNER_PREFERENCE = 33, // [set] WINDOW_CORNER_PREFERENCE, Controls the policy
+ // that rounds top-level window corners
+ _DWMWA_VISIBLE_FRAME_BORDER_THICKNESS =
+ 37, // [get] UINT, width of the visible border around a thick frame window
+ _DWMWA_SYSTEMBACKDROP_TYPE =
+ 38, // [get, set] SYSTEMBACKDROP_TYPE, Controls the system-drawn backdrop material of a
+ // window, including behind the non-client area.
+ _DWMWA_MICA_EFFECT =
+ 1029 // Undocumented, use this value to enable Mica material on Win11 21H2. You should
+ // use DWMWA_SYSTEMBACKDROP_TYPE instead on Win11 22H2 and newer.
};
// The thickness of an auto-hide taskbar in pixels.
@@ -79,18 +89,18 @@
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
+ // 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
@@ -282,9 +292,12 @@
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)))) {
+ 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)))) {
+ } else if (SUCCEEDED(apis.pDwmGetWindowAttribute(hwnd,
+ _DWMWA_USE_IMMERSIVE_DARK_MODE_BEFORE_20H1,
+ &enabled, sizeof(enabled)))) {
return enabled;
} else {
return false;
@@ -332,16 +345,17 @@
} 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 getWindowFrameBorderThickness(HWND hwnd) {
- UINT result{ 0 };
+ UINT result{0};
const DynamicApis &apis = DynamicApis::instance();
- if (SUCCEEDED(apis.pDwmGetWindowAttribute(hwnd, _DWMWA_VISIBLE_FRAME_BORDER_THICKNESS, &result, sizeof(result)))) {
+ if (SUCCEEDED(apis.pDwmGetWindowAttribute(hwnd, _DWMWA_VISIBLE_FRAME_BORDER_THICKNESS,
+ &result, sizeof(result)))) {
return result;
} else {
const quint32 dpi = getDpiForWindow(hwnd);
@@ -775,29 +789,36 @@
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);
+ 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);
+ auto &result = *static_cast<bool *>(data);
result = isWin10OrGreater() && !isWin11OrGreater();
return;
}
case DrawBordersHook: {
- auto args = reinterpret_cast<void **>(data);
- auto &painter = *reinterpret_cast<QPainter *>(args[0]);
- auto &rect = *reinterpret_cast<const QRect *>(args[1]);
- auto ®ion = *reinterpret_cast<const QRegion *>(args[2]);
+ 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());
- QPen pen{};
- const auto borderThickness = int(QHighDpi::fromNativePixels(getWindowFrameBorderThickness(hwnd), m_windowHandle));
+ QPen pen;
+ const auto borderThickness = int(QHighDpi::fromNativePixels(
+ getWindowFrameBorderThickness(hwnd), m_windowHandle));
pen.setWidth(borderThickness * 2);
- const bool active = m_host->isWidgetType() ? m_host->property("isActiveWindow").toBool() : m_host->property("active").toBool();
+ const bool active = m_host->isWidgetType()
+ ? m_host->property("isActiveWindow").toBool()
+ : m_host->property("active").toBool();
const bool dark = isDarkThemeActive() && isDarkWindowFrameEnabled(hwnd);
if (active) {
if (isWindowFrameBorderColorized()) {
@@ -817,10 +838,27 @@
}
}
painter.save();
- painter.setRenderHint(QPainter::Antialiasing); // ### TODO: do we need to enable or disable it?
+ painter.setRenderHint(
+ QPainter::Antialiasing); // ### TODO: do we need to enable or disable it?
painter.setPen(pen);
- painter.drawLine(QLine{ QPoint{ 0, 0 }, QPoint{ rect.width(), 0 } });
+ painter.drawLine(QLine{
+ QPoint{0, 0},
+ QPoint{rect.width(), 0}
+ });
painter.restore();
+ return;
+ }
+ case QueryBorderThicknessHook: {
+ auto args = static_cast<void **>(data);
+ const bool requireNative = *static_cast<const bool *>(args[0]);
+ quint32 &thickness = *static_cast<quint32 *>(args[1]);
+ const auto hwnd = reinterpret_cast<HWND>(m_windowHandle->winId());
+ const auto nativeThickness = getWindowFrameBorderThickness(hwnd);
+ if (requireNative) {
+ thickness = nativeThickness;
+ } else {
+ thickness = QHighDpi::fromNativePixels(nativeThickness, m_windowHandle);
+ }
return;
}
default: {
@@ -1192,6 +1230,7 @@
}
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�
@@ -1480,9 +1519,27 @@
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:
--
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