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
|
/**
* @file llpanelemojicomplete.h
* @brief Header file for LLPanelEmojiComplete
*
* $LicenseInfo:firstyear=2012&license=lgpl$
* Second Life Viewer Source Code
* Copyright (C) 2011, 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 "llviewerprecompiledheaders.h"
#include "llemojidictionary.h"
#include "llpanelemojicomplete.h"
#include "lluictrlfactory.h"
constexpr U32 MIN_MOUSE_MOVE_DELTA = 4;
// ============================================================================
// LLPanelEmojiComplete
//
static LLDefaultChildRegistry::Register<LLPanelEmojiComplete> r("emoji_complete");
LLPanelEmojiComplete::Params::Params()
: selected_image("selected_image")
{
}
LLPanelEmojiComplete::LLPanelEmojiComplete(const LLPanelEmojiComplete::Params& p)
: LLUICtrl(p)
, mSelectedImage(p.selected_image)
{
setFont(p.font);
}
LLPanelEmojiComplete::~LLPanelEmojiComplete()
{
}
void LLPanelEmojiComplete::draw()
{
if (!mEmojis.empty())
{
const S32 centerY = mRenderRect.getCenterY();
const size_t firstVisibleIdx = mScrollPos, lastVisibleIdx = llmin(mScrollPos + mVisibleEmojis, mEmojis.size()) - 1;
if (mCurSelected >= firstVisibleIdx && mCurSelected <= lastVisibleIdx)
{
const S32 emoji_left = mRenderRect.mLeft + (mCurSelected - firstVisibleIdx) * mEmojiWidth;
const S32 emoji_height = mFont->getLineHeight() + mPadding;
mSelectedImage->draw(emoji_left, centerY - emoji_height / 2, mEmojiWidth, emoji_height);
}
U32 left = mRenderRect.mLeft + mPadding;
for (U32 curIdx = firstVisibleIdx; curIdx <= lastVisibleIdx; curIdx++)
{
mFont->render(
mEmojis, curIdx,
left, centerY,
LLColor4::white, LLFontGL::LEFT, LLFontGL::VCENTER, LLFontGL::NORMAL, LLFontGL::DROP_SHADOW_SOFT,
1, S32_MAX, nullptr, false, true);
left += mEmojiWidth;
}
}
}
BOOL LLPanelEmojiComplete::handleHover(S32 x, S32 y, MASK mask)
{
LLVector2 curHover(x, y);
if ((mLastHover - curHover).lengthSquared() > MIN_MOUSE_MOVE_DELTA)
{
mCurSelected = posToIndex(x, y);
mLastHover = curHover;
}
return TRUE;
}
BOOL LLPanelEmojiComplete::handleKey(KEY key, MASK mask, BOOL called_from_parent)
{
if (MASK_NONE == mask)
{
bool handled = false;
switch (key)
{
case KEY_LEFT:
case KEY_UP:
selectPrevious();
handled = true;
break;
case KEY_RIGHT:
case KEY_DOWN:
selectNext();
handled = true;
break;
}
return handled;
}
return false;
}
void LLPanelEmojiComplete::reshape(S32 width, S32 height, BOOL called_from_parent)
{
LLUICtrl::reshape(width, height, called_from_parent);
updateConstraints();
}
void LLPanelEmojiComplete::setEmojiHint(const std::string& hint)
{
mEmojis = LLEmojiDictionary::instance().findMatchingEmojis(hint);
mScrollPos = llmin(mScrollPos, mEmojis.size());
updateConstraints();
}
size_t LLPanelEmojiComplete::posToIndex(S32 x, S32 y) const
{
if (mRenderRect.pointInRect(x, y))
{
return llmin((size_t)x / mEmojiWidth, mEmojis.size() - 1);
}
return npos;
}
void LLPanelEmojiComplete::select(size_t emoji_idx)
{
mCurSelected = llclamp<size_t>(emoji_idx, 0, mEmojis.size());
updateScrollPos();
}
void LLPanelEmojiComplete::selectNext()
{
select(mCurSelected + 1 < mEmojis.size() ? mCurSelected + 1 : 0);
}
void LLPanelEmojiComplete::selectPrevious()
{
select(mCurSelected - 1 >= 0 ? mCurSelected - 1 : mEmojis.size() - 1);
}
void LLPanelEmojiComplete::setFont(const LLFontGL* fontp)
{
mFont = fontp;
updateConstraints();
}
void LLPanelEmojiComplete::updateConstraints()
{
const S32 ctrlWidth = getLocalRect().getWidth();
mEmojiWidth = mFont->getWidthF32(u8"\U0001F431") + mPadding * 2;
mVisibleEmojis = ctrlWidth / mEmojiWidth;
mRenderRect = getLocalRect().stretch((ctrlWidth - mVisibleEmojis * mEmojiWidth) / -2, 0);
updateScrollPos();
}
void LLPanelEmojiComplete::updateScrollPos()
{
const size_t cntEmoji = mEmojis.size();
if (0 == cntEmoji || cntEmoji < mVisibleEmojis || 0 == mCurSelected)
{
mScrollPos = 0;
}
else if (cntEmoji - 1 == mCurSelected)
{
mScrollPos = mCurSelected - mVisibleEmojis + 1;
}
else
{
mScrollPos = mCurSelected - ((float)mCurSelected / (cntEmoji - 2) * (mVisibleEmojis - 2));
}
}
// ============================================================================
// LLFloaterEmojiComplete
//
LLFloaterEmojiComplete::LLFloaterEmojiComplete(const LLSD& sdKey)
: LLFloater(sdKey)
{
// This floater should hover on top of our dependent (with the dependent having the focus)
setFocusStealsFrontmost(false);
setAutoFocus(false);
setBackgroundVisible(false);
}
void LLFloaterEmojiComplete::onOpen(const LLSD& key)
{
findChild<LLPanelEmojiComplete>("emoji_complete_ctrl")->setEmojiHint(key["hint"].asString());
}
// ============================================================================
|
