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
|
/**
* @file llemojihelper.h
* @brief Header file for LLEmojiHelper
*
* $LicenseInfo:firstyear=2014&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2014, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#include "linden_common.h"
#include "llemojidictionary.h"
#include "llemojihelper.h"
#include "llfloater.h"
#include "llfloaterreg.h"
#include "lluictrl.h"
// ============================================================================
// Constants
//
constexpr char DEFAULT_EMOJI_HELPER_FLOATER[] = "emoji_complete";
constexpr S32 HELPER_FLOATER_OFFSET_X = 0;
constexpr S32 HELPER_FLOATER_OFFSET_Y = 0;
// ============================================================================
// LLEmojiHelper
//
std::string LLEmojiHelper::getToolTip(llwchar ch) const
{
return LLEmojiDictionary::instance().getNameFromEmoji(ch);
}
bool LLEmojiHelper::isActive(const LLUICtrl* ctrl_p) const
{
return mHostHandle.get() == ctrl_p;
}
// static
bool LLEmojiHelper::isCursorInEmojiCode(const LLWString& wtext, S32 cursorPos, S32* pShortCodePos)
{
// If the cursor is currently on a colon start the check one character further back
S32 shortCodePos = (cursorPos == 0 || L':' != wtext[cursorPos - 1]) ? cursorPos : cursorPos - 1;
auto isPartOfShortcode = [](llwchar ch) {
switch (ch)
{
case L'-':
case L'_':
case L'+':
return true;
default:
return LLStringOps::isAlnum(ch);
}
};
while (shortCodePos > 1 && isPartOfShortcode(wtext[shortCodePos - 1]))
{
shortCodePos--;
}
bool isShortCode = (L':' == wtext[shortCodePos - 1]) && (cursorPos - shortCodePos >= 2);
if (pShortCodePos)
*pShortCodePos = (isShortCode) ? shortCodePos - 1 : -1;
return isShortCode;
}
void LLEmojiHelper::showHelper(LLUICtrl* hostctrl_p, S32 local_x, S32 local_y, const std::string& short_code, std::function<void(llwchar)> cb)
{
// Commit immediately if the user already typed a full shortcode
if (const auto* emojiDescrp = LLEmojiDictionary::instance().getDescriptorFromShortCode(short_code))
{
cb(emojiDescrp->Character);
hideHelper();
return;
}
if (mHelperHandle.isDead())
{
LLFloater* pHelperFloater = LLFloaterReg::getInstance(DEFAULT_EMOJI_HELPER_FLOATER);
mHelperHandle = pHelperFloater->getHandle();
mHelperCommitConn = pHelperFloater->setCommitCallback(std::bind([&](const LLSD& sdValue) { onCommitEmoji(utf8str_to_wstring(sdValue.asStringRef())[0]); }, std::placeholders::_2));
}
setHostCtrl(hostctrl_p);
mEmojiCommitCb = cb;
S32 floater_x, floater_y;
if (!hostctrl_p->localPointToOtherView(local_x, local_y, &floater_x, &floater_y, gFloaterView))
{
LL_ERRS() << "Cannot show emoji helper for non-floater controls." << LL_ENDL;
return;
}
LLFloater* pHelperFloater = mHelperHandle.get();
LLRect rect = pHelperFloater->getRect();
S32 left = floater_x - HELPER_FLOATER_OFFSET_X;
S32 top = floater_y - HELPER_FLOATER_OFFSET_Y + rect.getHeight();
rect.setLeftTopAndSize(left, top, rect.getWidth(), rect.getHeight());
pHelperFloater->setRect(rect);
pHelperFloater->openFloater(LLSD().with("hint", short_code));
}
void LLEmojiHelper::hideHelper(const LLUICtrl* ctrl_p)
{
if (ctrl_p && !isActive(ctrl_p))
{
return;
}
setHostCtrl(nullptr);
}
bool LLEmojiHelper::handleKey(const LLUICtrl* ctrl_p, KEY key, MASK mask)
{
if (mHelperHandle.isDead() || !isActive(ctrl_p))
{
return false;
}
return mHelperHandle.get()->handleKey(key, mask, true);
}
void LLEmojiHelper::onCommitEmoji(llwchar emoji)
{
if (!mHostHandle.isDead() && mEmojiCommitCb)
{
mEmojiCommitCb(emoji);
}
}
void LLEmojiHelper::setHostCtrl(LLUICtrl* hostctrl_p)
{
const LLUICtrl* pCurHostCtrl = mHostHandle.get();
if (pCurHostCtrl != hostctrl_p)
{
mHostCtrlFocusLostConn.disconnect();
mHostHandle.markDead();
mEmojiCommitCb = {};
if (!mHelperHandle.isDead())
{
mHelperHandle.get()->closeFloater();
}
if (hostctrl_p)
{
mHostHandle = hostctrl_p->getHandle();
mHostCtrlFocusLostConn = hostctrl_p->setFocusLostCallback(std::bind([&]() { hideHelper(getHostCtrl()); }));
}
}
}
|
