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
|
// Copyright (c) 2012 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.
// Portions based heavily on:
// third_party/WebKit/public/web/gtk/WebInputEventFactory.cpp
//
/*
* Copyright (C) 2006-2011 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "content/browser/renderer_host/web_input_event_aura.h"
#include <X11/keysym.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <cstdlib>
#include "base/event_types.h"
#include "base/logging.h"
#include "content/browser/renderer_host/ui_events_helper.h"
#include "ui/events/event.h"
#include "ui/events/event_constants.h"
#include "ui/events/keycodes/keyboard_code_conversion_x.h"
#include "ui/events/keycodes/keyboard_codes.h"
namespace content {
// chromium WebKit does not provide a WebInputEventFactory for X11, so we have
// to do the work here ourselves.
namespace {
int XKeyEventToWindowsKeyCode(XKeyEvent* event) {
int windows_key_code =
ui::KeyboardCodeFromXKeyEvent(reinterpret_cast<XEvent*>(event));
if (windows_key_code == ui::VKEY_SHIFT ||
windows_key_code == ui::VKEY_CONTROL ||
windows_key_code == ui::VKEY_MENU) {
// To support DOM3 'location' attribute, we need to lookup an X KeySym and
// set ui::VKEY_[LR]XXX instead of ui::VKEY_XXX.
KeySym keysym = XK_VoidSymbol;
XLookupString(event, NULL, 0, &keysym, NULL);
switch (keysym) {
case XK_Shift_L:
return ui::VKEY_LSHIFT;
case XK_Shift_R:
return ui::VKEY_RSHIFT;
case XK_Control_L:
return ui::VKEY_LCONTROL;
case XK_Control_R:
return ui::VKEY_RCONTROL;
case XK_Meta_L:
case XK_Alt_L:
return ui::VKEY_LMENU;
case XK_Meta_R:
case XK_Alt_R:
return ui::VKEY_RMENU;
}
}
return windows_key_code;
}
} // namespace
blink::WebKeyboardEvent MakeWebKeyboardEventFromAuraEvent(
ui::KeyEvent* event) {
const base::NativeEvent& native_event = event->native_event();
blink::WebKeyboardEvent webkit_event;
XKeyEvent* native_key_event = &native_event->xkey;
webkit_event.timeStampSeconds = event->time_stamp().InSecondsF();
webkit_event.modifiers = EventFlagsToWebEventModifiers(event->flags());
switch (native_event->type) {
case KeyPress:
webkit_event.type = event->is_char() ? blink::WebInputEvent::Char :
blink::WebInputEvent::RawKeyDown;
break;
case KeyRelease:
webkit_event.type = blink::WebInputEvent::KeyUp;
break;
default:
NOTREACHED();
}
if (webkit_event.modifiers & blink::WebInputEvent::AltKey)
webkit_event.isSystemKey = true;
webkit_event.windowsKeyCode = XKeyEventToWindowsKeyCode(native_key_event);
webkit_event.nativeKeyCode = native_key_event->keycode;
if (webkit_event.windowsKeyCode == ui::VKEY_RETURN)
webkit_event.unmodifiedText[0] = '\r';
else
webkit_event.unmodifiedText[0] = ui::GetCharacterFromXEvent(native_event);
if (webkit_event.modifiers & blink::WebInputEvent::ControlKey) {
webkit_event.text[0] =
GetControlCharacter(
webkit_event.windowsKeyCode,
webkit_event.modifiers & blink::WebInputEvent::ShiftKey);
} else {
webkit_event.text[0] = webkit_event.unmodifiedText[0];
}
webkit_event.setKeyIdentifierFromWindowsKeyCode();
// TODO: IsAutoRepeat/IsKeyPad?
return webkit_event;
}
} // namespace content
|
