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
|
// 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 QWINDOWSMOUSEHANDLER_H
#define QWINDOWSMOUSEHANDLER_H
#include "qtwindowsglobal.h"
#include <QtCore/qt_windows.h>
#include <QtCore/qpointer.h>
#include <QtCore/qhash.h>
#include <QtCore/qsharedpointer.h>
#include <QtGui/qevent.h>
QT_BEGIN_NAMESPACE
class QWindow;
class QPointingDevice;
class QWindowsMouseHandler
{
Q_DISABLE_COPY_MOVE(QWindowsMouseHandler)
public:
using QPointingDevicePtr = QSharedPointer<QPointingDevice>;
QWindowsMouseHandler();
const QPointingDevicePtr &touchDevice() const { return m_touchDevice; }
void setTouchDevice(const QPointingDevicePtr &d) { m_touchDevice = d; }
bool translateMouseEvent(QWindow *widget, HWND hwnd,
QtWindows::WindowsEventType t, MSG msg,
LRESULT *result);
bool translateTouchEvent(QWindow *widget, HWND hwnd,
QtWindows::WindowsEventType t, MSG msg,
LRESULT *result);
bool translateGestureEvent(QWindow *window, HWND hwnd,
QtWindows::WindowsEventType,
MSG msg, LRESULT *);
bool translateScrollEvent(QWindow *window, HWND hwnd,
MSG msg, LRESULT *result);
static inline Qt::MouseButtons keyStateToMouseButtons(WPARAM);
static inline Qt::KeyboardModifiers keyStateToModifiers(int);
static inline int mouseButtonsToKeyState(Qt::MouseButtons);
static Qt::MouseButtons queryMouseButtons();
QWindow *windowUnderMouse() const { return m_windowUnderMouse.data(); }
void clearWindowUnderMouse() { m_windowUnderMouse = nullptr; }
void clearEvents();
static const QPointingDevice *primaryMouse();
private:
inline bool translateMouseWheelEvent(QWindow *window, HWND hwnd,
MSG msg, LRESULT *result);
QPointer<QWindow> m_windowUnderMouse;
QPointer<QWindow> m_trackedWindow;
QHash<DWORD, int> m_touchInputIDToTouchPointID;
QHash<int, QPointF> m_lastTouchPositions;
QPointingDevicePtr m_touchDevice;
bool m_leftButtonDown = false;
QWindow *m_previousCaptureWindow = nullptr;
QEvent::Type m_lastEventType = QEvent::None;
Qt::MouseButton m_lastEventButton = Qt::NoButton;
};
Qt::MouseButtons QWindowsMouseHandler::keyStateToMouseButtons(WPARAM wParam)
{
Qt::MouseButtons mb(Qt::NoButton);
if (wParam & MK_LBUTTON)
mb |= Qt::LeftButton;
if (wParam & MK_MBUTTON)
mb |= Qt::MiddleButton;
if (wParam & MK_RBUTTON)
mb |= Qt::RightButton;
if (wParam & MK_XBUTTON1)
mb |= Qt::XButton1;
if (wParam & MK_XBUTTON2)
mb |= Qt::XButton2;
return mb;
}
Qt::KeyboardModifiers QWindowsMouseHandler::keyStateToModifiers(int wParam)
{
Qt::KeyboardModifiers mods(Qt::NoModifier);
if (wParam & MK_CONTROL)
mods |= Qt::ControlModifier;
if (wParam & MK_SHIFT)
mods |= Qt::ShiftModifier;
if (GetKeyState(VK_MENU) < 0)
mods |= Qt::AltModifier;
return mods;
}
int QWindowsMouseHandler::mouseButtonsToKeyState(Qt::MouseButtons mb)
{
int result = 0;
if (mb & Qt::LeftButton)
result |= MK_LBUTTON;
if (mb & Qt::MiddleButton)
result |= MK_MBUTTON;
if (mb & Qt::RightButton)
result |= MK_RBUTTON;
if (mb & Qt::XButton1)
result |= MK_XBUTTON1;
if (mb & Qt::XButton2)
result |= MK_XBUTTON2;
return result;
}
QT_END_NAMESPACE
#endif // QWINDOWSMOUSEHANDLER_H
|
