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
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef WinPointerEvents_h__
#define WinPointerEvents_h__
#include "mozilla/MouseEvents.h"
#include "touchinjection_sdk80.h"
#include <windef.h>
// Define PointerEvent related macros and structures when building code on
// Windows version before Win8.
#if WINVER < 0x0602
// These definitions are copied from WinUser.h. Some of them are not used but
// keep them here for future usage.
# define WM_NCPOINTERUPDATE 0x0241
# define WM_NCPOINTERDOWN 0x0242
# define WM_NCPOINTERUP 0x0243
# define WM_POINTERUPDATE 0x0245
# define WM_POINTERDOWN 0x0246
# define WM_POINTERUP 0x0247
# define WM_POINTERENTER 0x0249
# define WM_POINTERLEAVE 0x024A
# define WM_POINTERACTIVATE 0x024B
# define WM_POINTERCAPTURECHANGED 0x024C
# define WM_TOUCHHITTESTING 0x024D
# define WM_POINTERWHEEL 0x024E
# define WM_POINTERHWHEEL 0x024F
# define DM_POINTERHITTEST 0x0250
/*
* Flags that appear in pointer input message parameters
*/
# define POINTER_MESSAGE_FLAG_NEW 0x00000001 // New pointer
# define POINTER_MESSAGE_FLAG_INRANGE 0x00000002 // Pointer has not departed
# define POINTER_MESSAGE_FLAG_INCONTACT 0x00000004 // Pointer is in contact
# define POINTER_MESSAGE_FLAG_FIRSTBUTTON 0x00000010 // Primary action
# define POINTER_MESSAGE_FLAG_SECONDBUTTON 0x00000020 // Secondary action
# define POINTER_MESSAGE_FLAG_THIRDBUTTON 0x00000040 // Third button
# define POINTER_MESSAGE_FLAG_FOURTHBUTTON 0x00000080 // Fourth button
# define POINTER_MESSAGE_FLAG_FIFTHBUTTON 0x00000100 // Fifth button
# define POINTER_MESSAGE_FLAG_PRIMARY 0x00002000 // Pointer is primary
# define POINTER_MESSAGE_FLAG_CONFIDENCE \
0x00004000 // Pointer is considered unlikely to be accidental
# define POINTER_MESSAGE_FLAG_CANCELED \
0x00008000 // Pointer is departing in an abnormal manner
/*
* Macros to retrieve information from pointer input message parameters
*/
# define GET_POINTERID_WPARAM(wParam) (LOWORD(wParam))
# define IS_POINTER_FLAG_SET_WPARAM(wParam, flag) \
(((DWORD)HIWORD(wParam) & (flag)) == (flag))
# define IS_POINTER_NEW_WPARAM(wParam) \
IS_POINTER_FLAG_SET_WPARAM(wParam, POINTER_MESSAGE_FLAG_NEW)
# define IS_POINTER_INRANGE_WPARAM(wParam) \
IS_POINTER_FLAG_SET_WPARAM(wParam, POINTER_MESSAGE_FLAG_INRANGE)
# define IS_POINTER_INCONTACT_WPARAM(wParam) \
IS_POINTER_FLAG_SET_WPARAM(wParam, POINTER_MESSAGE_FLAG_INCONTACT)
# define IS_POINTER_FIRSTBUTTON_WPARAM(wParam) \
IS_POINTER_FLAG_SET_WPARAM(wParam, POINTER_MESSAGE_FLAG_FIRSTBUTTON)
# define IS_POINTER_SECONDBUTTON_WPARAM(wParam) \
IS_POINTER_FLAG_SET_WPARAM(wParam, POINTER_MESSAGE_FLAG_SECONDBUTTON)
# define IS_POINTER_THIRDBUTTON_WPARAM(wParam) \
IS_POINTER_FLAG_SET_WPARAM(wParam, POINTER_MESSAGE_FLAG_THIRDBUTTON)
# define IS_POINTER_FOURTHBUTTON_WPARAM(wParam) \
IS_POINTER_FLAG_SET_WPARAM(wParam, POINTER_MESSAGE_FLAG_FOURTHBUTTON)
# define IS_POINTER_FIFTHBUTTON_WPARAM(wParam) \
IS_POINTER_FLAG_SET_WPARAM(wParam, POINTER_MESSAGE_FLAG_FIFTHBUTTON)
# define IS_POINTER_PRIMARY_WPARAM(wParam) \
IS_POINTER_FLAG_SET_WPARAM(wParam, POINTER_MESSAGE_FLAG_PRIMARY)
# define HAS_POINTER_CONFIDENCE_WPARAM(wParam) \
IS_POINTER_FLAG_SET_WPARAM(wParam, POINTER_MESSAGE_FLAG_CONFIDENCE)
# define IS_POINTER_CANCELED_WPARAM(wParam) \
IS_POINTER_FLAG_SET_WPARAM(wParam, POINTER_MESSAGE_FLAG_CANCELED)
/*
* WM_POINTERACTIVATE return codes
*/
# define PA_ACTIVATE MA_ACTIVATE
# define PA_NOACTIVATE MA_NOACTIVATE
#endif // WINVER < 0x0602
/******************************************************************************
* WinPointerInfo
*
* This is a helper class to handle WM_POINTER*. It only supports Win8 or later.
*
******************************************************************************/
class WinPointerInfo final : public mozilla::WidgetPointerHelper {
public:
WinPointerInfo() : WidgetPointerHelper(), mPressure(0), mButtons(0) {}
WinPointerInfo(uint32_t aPointerId, uint32_t aTiltX, uint32_t aTiltY,
float aPressure, int16_t aButtons)
: WidgetPointerHelper(aPointerId, aTiltX, aTiltY),
mPressure(aPressure),
mButtons(aButtons) {}
float mPressure;
int16_t mButtons;
};
class WinPointerEvents final {
public:
explicit WinPointerEvents();
public:
bool ShouldHandleWinPointerMessages(UINT aMsg, WPARAM aWParam);
uint32_t GetPointerId(WPARAM aWParam) {
return GET_POINTERID_WPARAM(aWParam);
}
bool GetPointerType(uint32_t aPointerId, POINTER_INPUT_TYPE* aPointerType);
POINTER_INPUT_TYPE GetPointerType(uint32_t aPointerId);
bool GetPointerInfo(uint32_t aPointerId, POINTER_INFO* aPointerInfo);
bool GetPointerPenInfo(uint32_t aPointerId, POINTER_PEN_INFO* aPenInfo);
bool ShouldEnableInkCollector();
bool ShouldRollupOnPointerEvent(UINT aMsg, WPARAM aWParam);
bool ShouldFirePointerEventByWinPointerMessages();
WinPointerInfo* GetCachedPointerInfo(UINT aMsg, WPARAM aWParam);
void ConvertAndCachePointerInfo(UINT aMsg, WPARAM aWParam);
void ConvertAndCachePointerInfo(WPARAM aWParam, WinPointerInfo* aInfo);
private:
// Function prototypes
typedef BOOL(WINAPI* GetPointerTypePtr)(uint32_t aPointerId,
POINTER_INPUT_TYPE* aPointerType);
typedef BOOL(WINAPI* GetPointerInfoPtr)(uint32_t aPointerId,
POINTER_INFO* aPointerInfo);
typedef BOOL(WINAPI* GetPointerPenInfoPtr)(uint32_t aPointerId,
POINTER_PEN_INFO* aPenInfo);
void InitLibrary();
static HMODULE sLibraryHandle;
static const wchar_t kPointerLibraryName[];
// Static function pointers
static GetPointerTypePtr getPointerType;
static GetPointerInfoPtr getPointerInfo;
static GetPointerPenInfoPtr getPointerPenInfo;
WinPointerInfo mPenPointerDownInfo;
WinPointerInfo mPenPointerUpInfo;
WinPointerInfo mPenPointerUpdateInfo;
};
#endif // #ifndef WinPointerEvents_h__
|
