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
|
/*
* Copyright (C) 2004, 2006, 2007, 2008, 2009, 2010 Apple 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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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.
*/
#import "config.h"
#import "PlatformKeyboardEvent.h"
#if PLATFORM(IOS)
#import "KeyEventCocoa.h"
#import "Logging.h"
#import "WebEvent.h"
using namespace WTF;
namespace WebCore {
static String keyIdentifierForKeyEvent(WebEvent *event)
{
NSString *s = event.charactersIgnoringModifiers;
if ([s length] != 1) {
LOG(Events, "received an unexpected number of characters in key event: %u", [s length]);
return "Unidentified";
}
unichar c = CFStringGetCharacterAtIndex((CFStringRef)s, 0);
return keyIdentifierForCharCode(c);
}
PlatformKeyboardEvent::PlatformKeyboardEvent(WebEvent *event)
: m_type(event.type == WebEventKeyUp ? PlatformKeyboardEvent::KeyUp : PlatformKeyboardEvent::KeyDown)
, m_text(event.characters)
, m_unmodifiedText(event.charactersIgnoringModifiers)
, m_keyIdentifier(keyIdentifierForKeyEvent(event))
, m_autoRepeat(event.isKeyRepeating)
, m_windowsVirtualKeyCode(event.keyCode)
, m_isKeypad(false) // iPhone does not distinguish the numpad <rdar://problem/7190835>
, m_shiftKey(event.modifierFlags & WebEventFlagMaskShift)
, m_ctrlKey(event.modifierFlags & WebEventFlagMaskControl)
, m_altKey(event.modifierFlags & WebEventFlagMaskAlternate)
, m_metaKey(event.modifierFlags & WebEventFlagMaskCommand)
, m_Event(event)
{
ASSERT(event.type == WebEventKeyDown || event.type == WebEventKeyUp);
// Always use 13 for Enter/Return -- we don't want to use AppKit's different character for Enter.
if (m_windowsVirtualKeyCode == '\r') {
m_text = "\r";
m_unmodifiedText = "\r";
}
// The adjustments below are only needed in backward compatibility mode, but we cannot tell what mode we are in from here.
// Turn 0x7F into 8, because backspace needs to always be 8.
if (m_text == "\x7F")
m_text = "\x8";
if (m_unmodifiedText == "\x7F")
m_unmodifiedText = "\x8";
// Always use 9 for tab -- we don't want to use AppKit's different character for shift-tab.
if (m_windowsVirtualKeyCode == 9) {
m_text = "\x9";
m_unmodifiedText = "\x9";
}
}
void PlatformKeyboardEvent::disambiguateKeyDownEvent(Type type, bool backwardCompatibilityMode)
{
// Can only change type from KeyDown to RawKeyDown or Char, as we lack information for other conversions.
ASSERT(m_type == KeyDown);
ASSERT(type == RawKeyDown || type == Char);
m_type = type;
if (backwardCompatibilityMode)
return;
if (type == RawKeyDown) {
m_text = String();
m_unmodifiedText = String();
} else {
m_keyIdentifier = String();
m_windowsVirtualKeyCode = 0;
if (m_text.length() == 1 && (m_text[0U] >= 0xF700 && m_text[0U] <= 0xF7FF)) {
// According to NSEvents.h, OpenStep reserves the range 0xF700-0xF8FF for function keys. However, some actual private use characters
// happen to be in this range, e.g. the Apple logo (Option+Shift+K).
// 0xF7FF is an arbitrary cut-off.
m_text = String();
m_unmodifiedText = String();
}
}
}
bool PlatformKeyboardEvent::currentCapsLockState()
{
return 0;
}
}
#endif // PLATFORM(IOS)
|