From a12bb8782bd02305466a29101a4c54d6ba9c6bfe Mon Sep 17 00:00:00 2001
From: Sine Striker <trueful@163.com>
Date: ćšć, 28 12æ 2023 16:03:06 +0800
Subject: [PATCH] minor tweaks
---
src/widgets/widgetwindowagent_win.cpp | 62 +++++++++++++++++--------------
1 files changed, 34 insertions(+), 28 deletions(-)
diff --git a/src/widgets/widgetwindowagent_win.cpp b/src/widgets/widgetwindowagent_win.cpp
index 52cc5ef..72d0057 100644
--- a/src/widgets/widgetwindowagent_win.cpp
+++ b/src/widgets/widgetwindowagent_win.cpp
@@ -8,19 +8,19 @@
namespace QWK {
-#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDER)
+#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDERS)
// https://github.com/qt/qtbase/blob/e26a87f1ecc40bc8c6aa5b889fce67410a57a702/src/plugins/platforms/windows/qwindowsbackingstore.cpp#L42
// In QtWidgets applications, when repainting happens, QPA at the last calls
// QWindowsBackingStore::flush() to draw the contents of the buffer to the screen, we need to
// call GDI drawing the top border after that.
- // After debugging, we know that there are two situations that will lead to redrawing.
+ // After debugging, we know that there are two situations that will lead to repaint.
//
// 1. Windows sends a WM_PAINT message, after which Qt immediately generates a QExposeEvent or
// QResizeEvent and send it to the corresponding QWidgetWindow instance, calling "flush" at the
// end of its handler.
//
- // 2. When a timer or user input triggers Qt to redraw spontaneously, the corresponding
+ // 2. When a timer or user input triggers Qt to repaint spontaneously, the corresponding
// QWidget receives a QEvent::UpdateRequest event and also calls "flush" at the end of its
// handler.
//
@@ -44,8 +44,8 @@
static QVariant defaultMargins = QVariant::fromValue(QMargins(0, 1, 0, 0));
ctx->setWindowAttribute(QStringLiteral("extra-margins"), defaultMargins);
- // Enable dark mode by default, otherwise the frame borders are white
- // ctx->setWindowAttribute(QStringLiteral("dark-mode"), true);
+ // Enable dark mode by default, otherwise the system borders are white
+ ctx->setWindowAttribute(QStringLiteral("dark-mode"), true);
ctx->installNativeEventFilter(this);
ctx->installSharedEventFilter(this);
@@ -67,7 +67,7 @@
}
}
- inline void resumeWidgetEvent(QWidget *w, QEvent *event) {
+ inline void resumeWidgetEventAndDraw(QWidget *w, QEvent *event) {
// Friend class helping to call `event`
class HackedWidget : public QWidget {
public:
@@ -77,13 +77,13 @@
// Let the widget paint first
static_cast<HackedWidget *>(w)->event(event);
- // Due to the timer or user action, Qt will redraw some regions spontaneously,
- // even if there is no WM_PAINT message, we must wait for it to finish redrawing
+ // Due to the timer or user action, Qt will repaint some regions spontaneously,
+ // even if there is no WM_PAINT message, we must wait for it to finish painting
// and then update the top border area.
ctx->virtual_hook(AbstractWindowContext::DrawWindows10BorderHook2, nullptr);
}
- inline void resumeWindowEvent(QWindow *window, QEvent *event) {
+ inline void resumeWindowEventAndDraw(QWindow *window, QEvent *event) {
// Friend class helping to call `event`
class HackedWindow : public QWindow {
public:
@@ -93,38 +93,43 @@
// Let Qt paint first
static_cast<HackedWindow *>(window)->event(event);
- // Upon receiving the WM_PAINT message, Qt will redraw the entire view, and we
- // must wait for it to finish redrawing before drawing this top border area.
+ // Upon receiving the WM_PAINT message, Qt will repaint the entire view, and we
+ // must wait for it to finish painting before drawing this top border area.
ctx->virtual_hook(AbstractWindowContext::DrawWindows10BorderHook2, nullptr);
+ }
+
+ inline void updateExtraMargins(bool windowActive) {
+ if (windowActive) {
+ // Restore margins when the window is active
+ static QVariant defaultMargins = QVariant::fromValue(QMargins(0, 1, 0, 0));
+ ctx->setWindowAttribute(QStringLiteral("extra-margins"), defaultMargins);
+ return;
+ }
+
+ // https://github.com/microsoft/terminal/blob/71a6f26e6ece656084e87de1a528c4a8072eeabd/src/cascadia/WindowsTerminal/NonClientIslandWindow.cpp#L904
+ // When the window is inactive, there is a transparency bug in the top
+ // border, and we need to extend the non-client area to the whole title
+ // bar.
+ QRect frame = ctx->windowAttribute(QStringLiteral("window-rect")).toRect();
+ QMargins margins{0, -frame.top(), 0, 0};
+ ctx->setWindowAttribute(QStringLiteral("extra-margins"), QVariant::fromValue(margins));
}
protected:
bool nativeEventFilter(const QByteArray &eventType, void *message,
QT_NATIVE_EVENT_RESULT_TYPE *result) override {
Q_UNUSED(eventType)
+
const auto msg = static_cast<const MSG *>(message);
switch (msg->message) {
case WM_DPICHANGED: {
updateGeometry();
+ updateExtraMargins(widget->isActiveWindow());
break;
}
case WM_ACTIVATE: {
- if (LOWORD(msg->wParam) == WA_INACTIVE) {
- // https://github.com/microsoft/terminal/blob/71a6f26e6ece656084e87de1a528c4a8072eeabd/src/cascadia/WindowsTerminal/NonClientIslandWindow.cpp#L904
- // When the window is inactive, there is a transparency bug in the top
- // border, and we need to extend the non-client area to the whole title
- // bar.
- QRect frame =
- ctx->windowAttribute(QStringLiteral("title-bar-rect")).toRect();
- QMargins margins{0, -frame.top(), 0, 0};
- ctx->setWindowAttribute(QStringLiteral("extra-margins"),
- QVariant::fromValue(margins));
- } else {
- // Restore margins when the window is active
- static QVariant defaultMargins = QVariant::fromValue(QMargins(0, 1, 0, 0));
- ctx->setWindowAttribute(QStringLiteral("extra-margins"), defaultMargins);
- }
+ updateExtraMargins(LOWORD(msg->wParam) != WA_INACTIVE);
break;
}
@@ -149,7 +154,7 @@
if (event->type() == QEvent::Expose) {
auto ee = static_cast<QExposeEvent *>(event);
if (window->isExposed() && isNormalWindow() && !ee->region().isNull()) {
- resumeWindowEvent(window, event);
+ resumeWindowEventAndDraw(window, event);
return true;
}
}
@@ -159,11 +164,12 @@
bool eventFilter(QObject *obj, QEvent *event) override {
Q_UNUSED(obj)
+
switch (event->type()) {
case QEvent::UpdateRequest: {
if (!isNormalWindow())
break;
- resumeWidgetEvent(widget, event);
+ resumeWidgetEventAndDraw(widget, event);
return true;
}
--
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