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
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
|
// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "config.h"
#if defined(OS_WIN)
#include <windows.h>
#endif
#include "StringImpl.h" // This is so that the KJS build works
#pragma warning(push, 0)
// HACK: make it possible to initialize these classes...
// TODO(darin): send this change to webkit.org
#define private protected
#include "PlatformKeyboardEvent.h"
#include "PlatformMouseEvent.h"
#include "PlatformWheelEvent.h"
#undef private
#include "Widget.h"
#pragma warning(pop)
#undef LOG
#include "base/gfx/point.h"
#include "base/logging.h"
#include "webkit/glue/event_conversion.h"
#include "webkit/glue/webinputevent.h"
#include "webkit/glue/webkit_glue.h"
using namespace WebCore;
// MakePlatformMouseEvent -----------------------------------------------------
int MakePlatformMouseEvent::last_click_count_ = 0;
uint32 MakePlatformMouseEvent::last_click_time_ = 0;
MakePlatformMouseEvent::MakePlatformMouseEvent(Widget* widget,
const WebMouseEvent& e)
#if defined(OS_WIN)
: PlatformMouseEvent(NULL, 0, 0, 0, false /* TODO(darin): do we care? */) {
#elif defined(OS_MACOSX)
: PlatformMouseEvent(e.mac_event.get()) {
#elif defined(OS_LINUX)
: PlatformMouseEvent() {
#endif
#if defined(OS_WIN) || defined(OS_LINUX)
// TODO(mpcomplete): widget is always toplevel, unless it's a popup. We
// may be able to get rid of this once we abstract popups into a WebKit API.
m_position = widget->convertFromContainingWindow(IntPoint(e.x, e.y));
#endif
m_globalPosition = IntPoint(e.global_x, e.global_y);
m_button = static_cast<MouseButton>(e.button);
m_shiftKey = (e.modifiers & WebInputEvent::SHIFT_KEY) != 0;
m_ctrlKey = (e.modifiers & WebInputEvent::CTRL_KEY) != 0;
m_altKey = (e.modifiers & WebInputEvent::ALT_KEY) != 0;
m_metaKey = (e.modifiers & WebInputEvent::META_KEY) != 0;
m_modifierFlags = e.modifiers;
m_timestamp = e.timestamp_sec;
// This differs slightly from the WebKit code in WebKit/win/WebView.cpp where
// their original code looks buggy.
static IntPoint last_click_position;
static MouseButton last_click_button = LeftButton;
const uint32 current_time = static_cast<uint32>(m_timestamp * 1000);
#if defined(OS_WIN)
const bool cancel_previous_click =
(abs(last_click_position.x() - m_position.x()) >
(GetSystemMetrics(SM_CXDOUBLECLK) / 2)) ||
(abs(last_click_position.y() - m_position.y()) >
(GetSystemMetrics(SM_CYDOUBLECLK) / 2)) ||
((current_time - last_click_time_) > GetDoubleClickTime());
#elif defined(OS_MACOSX) || defined(OS_LINUX)
const bool cancel_previous_click = false;
#endif
switch (e.type) {
case WebInputEvent::MOUSE_MOVE:
case WebInputEvent::MOUSE_LEAVE: // synthesize a move event
if (cancel_previous_click) {
last_click_count_ = 0;
last_click_position = IntPoint();
last_click_time_ = 0;
}
#if defined(OS_WIN)
setClickCount(last_click_count_);
#endif
m_eventType = MouseEventMoved;
break;
case WebInputEvent::MOUSE_DOWN:
case WebInputEvent::MOUSE_DOUBLE_CLICK:
if (!cancel_previous_click && (m_button == last_click_button)) {
++last_click_count_;
} else {
last_click_count_ = 1;
last_click_position = m_position;
}
last_click_time_ = current_time;
last_click_button = m_button;
#if defined(OS_WIN)
setClickCount(last_click_count_);
#endif
m_eventType = MouseEventPressed;
break;
case WebInputEvent::MOUSE_UP:
#if defined(OS_WIN)
setClickCount(last_click_count_);
#endif
m_eventType = MouseEventReleased;
break;
default:
NOTREACHED() << "unexpected mouse event type";
}
if (webkit_glue::IsLayoutTestMode()) {
#if defined(OS_WIN)
setClickCount(e.layout_test_click_count);
#endif
}
}
// MakePlatformWheelEvent -----------------------------------------------------
MakePlatformWheelEvent::MakePlatformWheelEvent(Widget* widget,
const WebMouseWheelEvent& e)
#if defined(OS_WIN)
: PlatformWheelEvent(NULL, 0, 0, false) { // TODO(jackson): Check if it's a horizontal event
#elif defined(OS_MACOSX)
: PlatformWheelEvent(e.mac_event.get()) {
#elif defined(OS_LINUX)
: PlatformWheelEvent(NULL) {
#endif
#if defined(OS_WIN) || defined(OS_LINUX)
m_position = widget->convertFromContainingWindow(IntPoint(e.x, e.y));
#endif
m_globalPosition = IntPoint(e.global_x, e.global_y);
m_deltaX = static_cast<float>(e.delta_x);
m_deltaY = static_cast<float>(e.delta_y);
m_charsToScrollPerDelta = 1;
m_linesToScrollPerDelta = 1;
m_pageXScrollMode = false;
m_pageYScrollMode = false;
m_shiftKey = (e.modifiers & WebInputEvent::SHIFT_KEY) != 0;
m_ctrlKey = (e.modifiers & WebInputEvent::CTRL_KEY) != 0;
m_altKey = (e.modifiers & WebInputEvent::ALT_KEY) != 0;
m_metaKey = (e.modifiers & WebInputEvent::META_KEY) != 0;
}
static inline const PlatformKeyboardEvent::Type platformKeyTypeForWebInputEventType(WebInputEvent::Type type) {
switch (type) {
case WebInputEvent::KEY_UP:
return PlatformKeyboardEvent::KeyUp;
case WebInputEvent::KEY_DOWN:
return PlatformKeyboardEvent::KeyDown;
case WebInputEvent::CHAR:
return PlatformKeyboardEvent::Char;
default:
ASSERT_NOT_REACHED();
}
return PlatformKeyboardEvent::KeyDown;
}
// MakePlatformKeyboardEvent --------------------------------------------------
MakePlatformKeyboardEvent::MakePlatformKeyboardEvent(const WebKeyboardEvent& e)
#if defined(OS_WIN)
: PlatformKeyboardEvent(NULL, e.key_code, e.key_data,
platformKeyTypeForWebInputEventType(e.type),
e.system_key) {
#elif defined(OS_MACOSX)
: PlatformKeyboardEvent(e.mac_event.get()) {
#elif defined(OS_LINUX)
: PlatformKeyboardEvent(NULL) {
#endif
m_autoRepeat = (e.modifiers & WebInputEvent::IS_AUTO_REPEAT) != 0;
m_isKeypad = (e.modifiers & WebInputEvent::IS_KEYPAD) != 0;
m_shiftKey = (e.modifiers & WebInputEvent::SHIFT_KEY) != 0;
m_ctrlKey = (e.modifiers & WebInputEvent::CTRL_KEY) != 0;
m_altKey = (e.modifiers & WebInputEvent::ALT_KEY) != 0;
m_metaKey = (e.modifiers & WebInputEvent::META_KEY) != 0;
}
void MakePlatformKeyboardEvent::SetKeyType(Type type) {
// According to the behavior of Webkit in Windows platform,
// we need to convert KeyDown to RawKeydown and Char events
// See WebKit/WebKit/Win/WebView.cpp
ASSERT(m_type == KeyDown);
ASSERT(type == RawKeyDown || type == Char);
m_type = type;
if (type == RawKeyDown) {
m_text = String();
m_unmodifiedText = String();
} else {
m_keyIdentifier = String();
m_windowsVirtualKeyCode = 0;
}
}
// Please refer to bug http://b/issue?id=961192, which talks about Webkit
// keyboard event handling changes. It also mentions the list of keys
// which don't have associated character events.
bool MakePlatformKeyboardEvent::IsCharacterKey() const {
switch (windowsVirtualKeyCode()) {
#if defined(OS_WIN)
case VK_BACK:
case VK_ESCAPE:
#endif
return false;
default:
break;
}
return true;
}
|
