From 40d73269371a9e2b142eb2be2bd2f70aff6346d2 Mon Sep 17 00:00:00 2001
From: Sine Striker <trueful@163.com>
Date: 周日, 25 2月 2024 04:13:02 +0800
Subject: [PATCH] Better workaround for win10 top border issue
---
src/quick/quickwindowagent_win.cpp | 112 +++++++++++++++++++------------------------------------
1 files changed, 39 insertions(+), 73 deletions(-)
diff --git a/src/quick/quickwindowagent_win.cpp b/src/quick/quickwindowagent_win.cpp
index a265bbb..011dae0 100644
--- a/src/quick/quickwindowagent_win.cpp
+++ b/src/quick/quickwindowagent_win.cpp
@@ -8,43 +8,51 @@
#include <QtQuick/private/qquickitem_p.h>
#include <QWKCore/qwindowkit_windows.h>
+#include <QWKCore/private/windows10borderhandler_p.h>
namespace QWK {
#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDERS)
- // TODO: Find a way to draw native border
- // We haven't found a way to place hooks in the Quick program and call the GDI API to draw
- // the native border area so that we'll use the emulated drawn border for now.
- class BorderItem : public QQuickPaintedItem,
- public NativeEventFilter,
- public SharedEventFilter {
+ class DeferredDeleteHook;
+
+ class BorderItem : public QQuickPaintedItem, public Windows10BorderHandler {
public:
explicit BorderItem(QQuickItem *parent, AbstractWindowContext *context);
~BorderItem() override;
- inline bool isNormalWindow() const;
-
- inline void updateGeometry();
+ void updateGeometry() override;
public:
void paint(QPainter *painter) override;
void itemChange(ItemChange change, const ItemChangeData &data) override;
protected:
- bool nativeEventFilter(const QByteArray &eventType, void *message,
- QT_NATIVE_EVENT_RESULT_TYPE *result) override;
-
bool sharedEventFilter(QObject *obj, QEvent *event) override;
- AbstractWindowContext *context;
+ std::unique_ptr<DeferredDeleteHook> paintHook;
+ };
- private:
- void _q_windowActivityChanged();
+ class DeferredDeleteHook : public QObject {
+ public:
+ DeferredDeleteHook(BorderItem *item) : item(item) {
+ }
+
+ // Override deferred delete handler
+ bool event(QEvent *event) override {
+ if (event->type() == QEvent::DeferredDelete) {
+ item->drawBorder();
+ return true;
+ }
+ return QObject::event(event);
+ }
+
+ BorderItem *item;
};
BorderItem::BorderItem(QQuickItem *parent, AbstractWindowContext *context)
- : QQuickPaintedItem(parent), context(context) {
+ : QQuickPaintedItem(parent), Windows10BorderHandler(context),
+ paintHook(std::make_unique<DeferredDeleteHook>(this)) {
setAntialiasing(true); // We need anti-aliasing to give us better result.
setFillColor({}); // Will improve the performance a little bit.
setOpaquePainting(true); // Will also improve the performance, we don't draw
@@ -59,35 +67,29 @@
setZ(std::numeric_limits<qreal>::max()); // Make sure our fake border always above
// everything in the window.
- context->installNativeEventFilter(this);
- context->installSharedEventFilter(this);
-
- connect(window(), &QQuickWindow::activeChanged, this,
- &BorderItem::_q_windowActivityChanged);
- updateGeometry();
+ // First update
+ if (context->windowId()) {
+ setupNecessaryAttributes();
+ }
+ BorderItem::updateGeometry();
}
BorderItem::~BorderItem() = default;
- bool BorderItem::isNormalWindow() const {
- return !(context->window()->windowStates() &
- (Qt::WindowMinimized | Qt::WindowMaximized | Qt::WindowFullScreen));
- }
-
void BorderItem::updateGeometry() {
- setHeight(context->windowAttribute(QStringLiteral("border-thickness")).toInt());
+ setHeight(borderThickness());
setVisible(isNormalWindow());
}
void BorderItem::paint(QPainter *painter) {
- QRect rect(QPoint(0, 0), size().toSize());
- QRegion region(rect);
- void *args[] = {
- painter,
- &rect,
- ®ion,
- };
- context->virtual_hook(AbstractWindowContext::DrawWindows10BorderHook, args);
+ Q_UNUSED(painter)
+
+ // https://github.com/qt/qtdeclarative/blob/cc04afbb382fd4b1f65173d71f44d3372c47b0e1/src/quick/scenegraph/qsgthreadedrenderloop.cpp#L551
+ // https://github.com/qt/qtdeclarative/blob/cc04afbb382fd4b1f65173d71f44d3372c47b0e1/src/quick/scenegraph/qsgthreadedrenderloop.cpp#L561
+ // QCoreApplication must process all DeferredDelay events right away after rendering, we can
+ // hook it by overriding a specifiy QObject's event handler and draw the native border in
+ // it.
+ paintHook->deleteLater();
}
void BorderItem::itemChange(ItemChange change, const ItemChangeData &data) {
@@ -103,42 +105,10 @@
}
}
- bool BorderItem::nativeEventFilter(const QByteArray &eventType, void *message,
- QT_NATIVE_EVENT_RESULT_TYPE *result) {
- Q_UNUSED(eventType)
-
- const auto msg = static_cast<const MSG *>(message);
- switch (msg->message) {
- case WM_THEMECHANGED:
- case WM_SYSCOLORCHANGE:
- case WM_DWMCOLORIZATIONCOLORCHANGED: {
- update();
- break;
- }
-
- case WM_SETTINGCHANGE: {
- if (isImmersiveColorSetChange(msg->wParam, msg->lParam)) {
- update();
- }
- break;
- }
-
- default:
- break;
- }
- return false;
- }
-
bool BorderItem::sharedEventFilter(QObject *obj, QEvent *event) {
Q_UNUSED(obj)
switch (event->type()) {
- case QEvent::WinIdChange: {
- if (auto winId = context->windowId()) {
- updateGeometry();
- }
- break;
- }
case QEvent::WindowStateChange: {
updateGeometry();
break;
@@ -146,11 +116,7 @@
default:
break;
}
- return false;
- }
-
- void BorderItem::_q_windowActivityChanged() {
- update();
+ return Windows10BorderHandler::sharedEventFilter(obj, event);
}
void QuickWindowAgentPrivate::setupWindows10BorderWorkaround() {
--
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