1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef RENDER_WIDGET_HOST_VIEW_QT_DELEGATE_ITEM_H
#define RENDER_WIDGET_HOST_VIEW_QT_DELEGATE_ITEM_H
#include "compositor/compositor.h"
#include "render_widget_host_view_qt_delegate.h"
#include <QtQuick/QQuickItem>
QT_BEGIN_NAMESPACE
class QQuickWebEngineViewPrivate;
class QWebEngineViewPrivate;
QT_END_NAMESPACE
namespace QtWebEngineCore {
class RenderWidgetHostViewQtDelegateClient;
class WebContentsAdapterClient;
class WebEngineQuickWidget;
class WidgetDelegate
{
public:
virtual ~WidgetDelegate() = default;
virtual void InitAsPopup(const QRect &screenRect) = 0;
virtual void SetInputMethodEnabled(bool) { }
virtual void SetInputMethodHints(Qt::InputMethodHints) { }
virtual void SetClearColor(const QColor &) { }
virtual bool ActiveFocusOnPress() = 0;
virtual void MoveWindow(const QPoint & ) { }
virtual void Bind(WebContentsAdapterClient *) = 0;
virtual void Unbind() = 0;
virtual void Destroy() = 0;
virtual void Resize(int, int) { }
virtual QWindow *Window() { return nullptr; }
virtual void unhandledWheelEvent(QWheelEvent *) { }
};
// Useful information keyboard and mouse QEvent propagation.
// A RenderWidgetHostViewQtDelegateItem instance initialized as a popup will receive
// no keyboard focus (so all keyboard QEvents will be sent to the parent RWHVQD instance),
// but will still receive mouse input (all mouse QEvent moves and clicks will be given to the popup
// RWHVQD instance, and the mouse interaction area covers the surface of the whole parent
// QWebEngineView, and not only the smaller surface that an HTML select popup would occupy).
class Q_WEBENGINECORE_EXPORT RenderWidgetHostViewQtDelegateItem
: public QQuickItem
, public RenderWidgetHostViewQtDelegate
, public Compositor::Observer
{
Q_OBJECT
public:
RenderWidgetHostViewQtDelegateItem(RenderWidgetHostViewQtDelegateClient *client, bool isPopup);
~RenderWidgetHostViewQtDelegateItem();
void initAsPopup(const QRect&) override;
QRectF viewGeometry() const override;
QRect windowGeometry() const override;
void setKeyboardFocus() override;
bool hasKeyboardFocus() override;
void lockMouse() override;
void unlockMouse() override;
void show() override;
void hide() override;
bool isVisible() const override;
QWindow *Window() const override;
void updateCursor(const QCursor &) override;
void resize(int width, int height) override;
void move(const QPoint &screenPos) override;
void inputMethodStateChanged(bool editorVisible, bool passwordInput) override;
void setInputMethodHints(Qt::InputMethodHints) override;
void setClearColor(const QColor &color) override;
void unhandledWheelEvent(QWheelEvent *ev) override;
void readyToSwap() override;
void setWidgetDelegate(WidgetDelegate *delegate);
protected:
bool event(QEvent *event) override;
void focusInEvent(QFocusEvent *event) override;
void focusOutEvent(QFocusEvent *event) override;
void mousePressEvent(QMouseEvent *event) override;
void mouseMoveEvent(QMouseEvent *event) override;
void mouseReleaseEvent(QMouseEvent *event) override;
void keyPressEvent(QKeyEvent *event) override;
void keyReleaseEvent(QKeyEvent *event) override;
void wheelEvent(QWheelEvent *event) override;
void touchEvent(QTouchEvent *event) override;
void hoverMoveEvent(QHoverEvent *event) override;
void hoverLeaveEvent(QHoverEvent *event) override;
QVariant inputMethodQuery(Qt::InputMethodQuery query) const override;
void inputMethodEvent(QInputMethodEvent *event) override;
void geometryChange(const QRectF &newGeometry, const QRectF &oldGeometry) override;
void itemChange(ItemChange change, const ItemChangeData &value) override;
QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *) override;
void adapterClientChanged(WebContentsAdapterClient *client) override;
void updateAdapterClientIfNeeded(WebContentsAdapterClient *client) override;
private Q_SLOTS:
void onBeforeRendering();
void onAfterFrameEnd();
void onWindowPosChanged();
void releaseTextureResources();
void onHide();
private:
friend QWebEngineViewPrivate;
friend QQuickWebEngineViewPrivate;
friend WebEngineQuickWidget;
RenderWidgetHostViewQtDelegateClient *m_client;
bool m_isPopup;
QColor m_clearColor;
Qt::InputMethodHints m_inputMethodHints = {};
QList<QMetaObject::Connection> m_windowConnections;
WebContentsAdapterClient *m_adapterClient = nullptr;
WidgetDelegate *m_widgetDelegate = nullptr;
};
} // namespace QtWebEngineCore
#endif // RENDER_WIDGET_HOST_VIEW_QT_DELEGATE_ITEM_H
|
