From 7e132b345cc2b2515838c387a76ccc9f29705ba6 Mon Sep 17 00:00:00 2001
From: Sine Striker <trueful@163.com>
Date: 周二, 19 12月 2023 03:12:59 +0800
Subject: [PATCH] Add fallback to qt window context
---
src/core/contexts/qtwindowcontext.cpp | 340 +++++++++++++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 330 insertions(+), 10 deletions(-)
diff --git a/src/core/contexts/qtwindowcontext.cpp b/src/core/contexts/qtwindowcontext.cpp
index 732ecf1..58237c2 100644
--- a/src/core/contexts/qtwindowcontext.cpp
+++ b/src/core/contexts/qtwindowcontext.cpp
@@ -1,8 +1,12 @@
#include "qtwindowcontext_p.h"
+#include <QtCore/QDebug>
+
+#include "qwkglobal_p.h"
+
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
@@ -40,22 +44,338 @@
#endif
}
- QtWindowContext::QtWindowContext(QObject *host, WindowItemDelegate *delegate)
- : AbstractWindowContext(host, delegate) {
+ 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
}
- QtWindowContext::~QtWindowContext() {
- }
+#ifdef Q_OS_LINUX
+ class WindowMoveManipulator : public QObject {
+ public:
+ explicit WindowMoveManipulator(QWindow *targetWindow)
+ : QObject(targetWindow), target(targetWindow), initialMousePosition(QCursor::pos()),
+ initialWindowPosition(targetWindow->position()) {
+ target->installEventFilter(this);
+ }
- bool QtWindowContext::setup() {
- if (!m_windowHandle) {
+ protected:
+ bool eventFilter(QObject *obj, QEvent *event) override {
+ switch (event->type()) {
+ case QEvent::MouseMove: {
+ auto mouseEvent = static_cast<QMouseEvent *>(event);
+ QPoint delta = getMouseEventGlobalPos(mouseEvent) - initialMousePosition;
+ target->setPosition(initialWindowPosition + delta);
+ return true;
+ }
+
+ case QEvent::MouseButtonRelease: {
+ if (target->y() < 0) {
+ target->setPosition(target->x(), 0);
+ }
+ target->removeEventFilter(this);
+ this->deleteLater();
+ }
+
+ default:
+ break;
+ }
return false;
+ }
+
+ private:
+ QWindow *target;
+ QPoint initialMousePosition;
+ QPoint initialWindowPosition;
+ };
+#endif
+
+#if defined(Q_OS_MAC) || defined(Q_OS_LINUX)
+ class WindowResizeManipulator : public QObject {
+ public:
+ WindowResizeManipulator(QWindow *targetWindow, Qt::Edges edges)
+ : QObject(targetWindow), target(targetWindow), resizeEdges(edges),
+ initialMousePosition(QCursor::pos()), initialWindowRect(target->geometry()) {
+ target->installEventFilter(this);
+ }
+
+ protected:
+ bool eventFilter(QObject *obj, QEvent *event) override {
+ switch (event->type()) {
+ case QEvent::MouseMove: {
+ auto mouseEvent = static_cast<QMouseEvent *>(event);
+ QPoint globalMousePos = getMouseEventGlobalPos(mouseEvent);
+ QRect windowRect = initialWindowRect;
+
+ if (resizeEdges & Qt::LeftEdge) {
+ int delta = globalMousePos.x() - initialMousePosition.x();
+ windowRect.setLeft(initialWindowRect.left() + delta);
+ }
+ if (resizeEdges & Qt::RightEdge) {
+ int delta = globalMousePos.x() - initialMousePosition.x();
+ windowRect.setRight(initialWindowRect.right() + delta);
+ }
+ if (resizeEdges & Qt::TopEdge) {
+ int delta = globalMousePos.y() - initialMousePosition.y();
+ windowRect.setTop(initialWindowRect.top() + delta);
+ }
+ if (resizeEdges & Qt::BottomEdge) {
+ int delta = globalMousePos.y() - initialMousePosition.y();
+ windowRect.setBottom(initialWindowRect.bottom() + delta);
+ }
+
+ target->setGeometry(windowRect);
+ return true;
+ }
+
+ case QEvent::MouseButtonRelease: {
+ target->removeEventFilter(this);
+ this->deleteLater();
+ }
+
+ default:
+ break;
+ }
+ return false;
+ }
+
+ private:
+ QWindow *target;
+ QPoint initialMousePosition;
+ QRect initialWindowRect;
+ Qt::Edges resizeEdges;
+ };
+#endif
+
+ static inline void startSystemMove(QWindow *window) {
+#ifdef Q_OS_LINUX
+ if (window->startSystemMove()) {
+ return;
+ }
+ std::ignore = new WindowMoveManipulator(window);
+#else
+ window->startSystemMove();
+#endif
+ }
+
+ static inline void startSystemResize(QWindow *window, Qt::Edges edges) {
+#if defined(Q_OS_MAC) || defined(Q_OS_LINUX)
+ if (window->startSystemResize(edges)) {
+ return;
+ }
+ std::ignore = new WindowResizeManipulator(window, edges);
+#else
+ window->startSystemResize(edges);
+#endif
+ }
+
+ class QtWindowEventFilter : public QObject {
+ public:
+ explicit QtWindowEventFilter(AbstractWindowContext *context, QObject *parent = nullptr);
+ ~QtWindowEventFilter() override;
+
+ enum WindowStatus {
+ Idle,
+ WaitingRelease,
+ PreparingMove,
+ Moving,
+ Resizing,
+ };
+
+ protected:
+ bool eventFilter(QObject *object, QEvent *event) override;
+
+ private:
+ AbstractWindowContext *m_context;
+ bool m_cursorShapeChanged;
+ WindowStatus m_windowStatus;
+ };
+
+ QtWindowEventFilter::QtWindowEventFilter(AbstractWindowContext *context, QObject *parent)
+ : QObject(parent), m_context(context), m_cursorShapeChanged(false), m_windowStatus(Idle) {
+ m_context->window()->installEventFilter(this);
+ }
+
+ QtWindowEventFilter::~QtWindowEventFilter() = default;
+
+ bool QtWindowEventFilter::eventFilter(QObject *obj, QEvent *event) {
+ Q_UNUSED(obj)
+ 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();
+ bool fixedSize = delegate->isHostSizeFixed(host);
+ auto me = static_cast<const QMouseEvent *>(event);
+
+ QPoint scenePos = getMouseEventScenePos(me);
+ QPoint globalPos = getMouseEventGlobalPos(me);
+
+ bool inTitleBar = m_context->isInTitleBarDraggableArea(scenePos);
+ switch (type) {
+ case QEvent::MouseButtonPress: {
+ switch (me->button()) {
+ case Qt::LeftButton: {
+ if (!fixedSize) {
+ Qt::Edges edges = calculateWindowEdges(window, scenePos);
+ if (edges != Qt::Edges()) {
+ m_windowStatus = Resizing;
+ startSystemResize(window, edges);
+ event->accept();
+ return true;
+ }
+ }
+ if (inTitleBar) {
+ // If we call startSystemMove() now but release the mouse without actual
+ // movement, there will be no MouseReleaseEvent, so we defer it when the
+ // mouse is actually moving for the first time
+ m_windowStatus = PreparingMove;
+ event->accept();
+ return true;
+ }
+ break;
+ }
+ case Qt::RightButton: {
+ m_context->showSystemMenu(globalPos);
+ break;
+ }
+ default:
+ break;
+ }
+ m_windowStatus = WaitingRelease;
+ break;
+ }
+
+ case QEvent::MouseButtonRelease: {
+ switch (m_windowStatus) {
+ case PreparingMove:
+ case Moving:
+ case Resizing: {
+ m_windowStatus = Idle;
+ event->accept();
+ return true;
+ }
+ case WaitingRelease: {
+ m_windowStatus = Idle;
+ break;
+ }
+ default: {
+ if (inTitleBar) {
+ event->accept();
+ return true;
+ }
+ break;
+ }
+ }
+ break;
+ }
+
+ case QEvent::MouseMove: {
+ switch (m_windowStatus) {
+ case Moving: {
+ return true;
+ }
+ case PreparingMove: {
+ m_windowStatus = Moving;
+ startSystemMove(window);
+ event->accept();
+ return true;
+ }
+ case Idle: {
+ 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;
+ }
+ }
+ break;
+ }
+ default:
+ break;
+ }
+ break;
+ }
+
+ case QEvent::MouseButtonDblClick: {
+ if (me->button() == Qt::LeftButton && inTitleBar && !fixedSize) {
+ 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:
+ break;
}
return false;
}
- bool QtWindowContext::eventFilter(QObject *obj, QEvent *event) {
- return AbstractWindowContext::eventFilter(obj, event);
+ QtWindowContext::QtWindowContext() : AbstractWindowContext() {
}
-}
\ No newline at end of file
+ QtWindowContext::~QtWindowContext() = default;
+
+ QString QtWindowContext::key() const {
+ return QStringLiteral("qt");
+ }
+
+ void QtWindowContext::virtual_hook(int id, void *data) {
+ switch (id) {
+ case ShowSystemMenuHook:
+ return;
+ default:
+ break;
+ }
+ AbstractWindowContext::virtual_hook(id, data);
+ }
+
+ void QtWindowContext::winIdChanged(QWindow *oldWindow) {
+ Q_UNUSED(oldWindow)
+ m_delegate->setWindowFlags(m_host,
+ m_delegate->getWindowFlags(m_host) | Qt::FramelessWindowHint);
+ qtWindowEventFilter = std::make_unique<QtWindowEventFilter>(this);
+ }
+
+}
--
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