From dddf96c011723a12b11acc2980c10eb370961021 Mon Sep 17 00:00:00 2001
From: Zhao Yuhang <2546789017@qq.com>
Date: 周五, 15 12月 2023 21:35:17 +0800
Subject: [PATCH] add qt impl
---
src/core/contexts/qtwindowcontext.cpp | 151 +++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 149 insertions(+), 2 deletions(-)
diff --git a/src/core/contexts/qtwindowcontext.cpp b/src/core/contexts/qtwindowcontext.cpp
index ee5d27d..6887cfd 100644
--- a/src/core/contexts/qtwindowcontext.cpp
+++ b/src/core/contexts/qtwindowcontext.cpp
@@ -2,7 +2,7 @@
namespace QWK {
- static constexpr const int kDefaultResizeBorderThickness = 8;
+ static constexpr const quint8 kDefaultResizeBorderThickness = 8;
static Qt::CursorShape calculateCursorShape(const QWindow *window, const QPoint &pos) {
#ifdef Q_OS_MACOS
@@ -40,6 +40,149 @@
#endif
}
+ static inline Qt::Edges calculateWindowEdges(const QWindow *window, const QPoint &pos)
+ {
+#ifdef Q_OS_MACOS
+ Q_UNUSED(window);
+ Q_UNUSED(pos);
+ return {};
+#else
+ Q_ASSERT(window);
+ if (!window) {
+ return {};
+ }
+ if (window->visibility() != QWindow::Windowed) {
+ return {};
+ }
+ Qt::Edges edges = {};
+ const int x = pos.x();
+ const int y = pos.y();
+ if (x < kDefaultResizeBorderThickness) {
+ edges |= Qt::LeftEdge;
+ }
+ if (x >= (window->width() - kDefaultResizeBorderThickness)) {
+ edges |= Qt::RightEdge;
+ }
+ if (y < kDefaultResizeBorderThickness) {
+ edges |= Qt::TopEdge;
+ }
+ if (y >= (window->height() - kDefaultResizeBorderThickness)) {
+ edges |= Qt::BottomEdge;
+ }
+ return edges;
+#endif
+ }
+
+ class WindowEventFilter : public QObject {
+ Q_OBJECT
+
+ public:
+ explicit WindowEventFilter(AbstractWindowContext *context, QObject *parent = nullptr);
+ ~WindowEventFilter() override;
+
+ protected:
+ bool eventFilter(QObject *object, QEvent *event) override;
+
+ private:
+ AbstractWindowContext *m_context;
+ bool m_leftButtonPressed;
+ bool m_cursorShapeChanged;
+ };
+
+ WindowEventFilter::WindowEventFilter(AbstractWindowContext *context, QObject *parent) : QObject(parent), m_context(context), m_leftButtonPressed(false), m_cursorShapeChanged(false) {}
+
+ WindowEventFilter::~WindowEventFilter() = default;
+
+ bool WindowEventFilter::eventFilter(QObject *object, QEvent *event) {
+ const auto type = event->type();
+ if (type < QEvent::MouseButtonPress || type > QEvent::MouseMove) {
+ return false;
+ }
+ QObject *host = m_context->host();
+ QWindow *window = m_context->window();
+ WindowItemDelegate *delegate = m_context->delegate();
+ const bool fixedSize = delegate->isHostSizeFixed(host);
+ const auto mouseEvent = static_cast<const QMouseEvent *>(event);
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+ const QPoint scenePos = mouseEvent->scenePosition().toPoint();
+ const QPoint globalPos = mouseEvent->globalPosition().toPoint();
+#else
+ const QPoint scenePos = mouseEvent->windowPos().toPoint();
+ const QPoint globalPos = mouseEvent->screenPos().toPoint();
+#endif
+ const bool inTitleBar = m_context->isInTitleBarDraggableArea(scenePos);
+ switch (type) {
+ case QEvent::MouseButtonPress: {
+ if (mouseEvent->button() == Qt::LeftButton) {
+ m_leftButtonPressed = true;
+ if (!fixedSize) {
+ const Qt::Edges edges = calculateWindowEdges(window, scenePos);
+ if (edges != Qt::Edges{}) {
+ window->startSystemResize(edges);
+ event->accept();
+ return true;
+ }
+ }
+ if (inTitleBar) {
+ event->accept();
+ return true;
+ }
+ }
+ break;
+ }
+ case QEvent::MouseButtonRelease: {
+ if (mouseEvent->button() == Qt::LeftButton) {
+ m_leftButtonPressed = false;
+ if (inTitleBar) {
+ event->accept();
+ return true;
+ }
+ }
+ break;
+ }
+ case QEvent::MouseMove: {
+ if (!fixedSize) {
+ const Qt::CursorShape shape = calculateCursorShape(window, scenePos);
+ if (shape == Qt::ArrowCursor) {
+ if (m_cursorShapeChanged) {
+ delegate->restoreCursorShape(host);
+ m_cursorShapeChanged = false;
+ }
+ } else {
+ delegate->setCursorShape(host, shape);
+ m_cursorShapeChanged = true;
+ }
+ }
+ if (m_leftButtonPressed && inTitleBar) {
+ window->startSystemMove();
+ event->accept();
+ return true;
+ }
+ break;
+ }
+ case QEvent::MouseButtonDblClick: {
+ if (mouseEvent->button() == Qt::LeftButton && inTitleBar && !fixedSize) {
+ const Qt::WindowStates windowState = delegate->getWindowState(host);
+ if (!(windowState & Qt::WindowFullScreen)) {
+ if (windowState & Qt::WindowMaximized) {
+ delegate->setWindowState(host, windowState & ~Qt::WindowMaximized);
+ } else {
+ delegate->setWindowState(host, windowState | Qt::WindowMaximized);
+ }
+ event->accept();
+ return true;
+ }
+ }
+ break;
+ }
+ default: {
+ Q_UNREACHABLE();
+ return false;
+ }
+ }
+ return false;
+ }
+
QtWindowContext::QtWindowContext() : AbstractWindowContext() {
}
@@ -53,7 +196,11 @@
}
bool QtWindowContext::setupHost() {
+ m_delegate->setWindowFlags(m_host, Qt::FramelessWindowHint);
+ m_windowHandle->installEventFilter(new WindowEventFilter(this, m_windowHandle));
return true;
}
-}
\ No newline at end of file
+}
+
+#include "qtwindowcontext.moc"
--
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