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
220
221
222
223
224
225
226
227
228
229
|
/*
* Copyright (C) 2005-2008 Team XBMC
* http://www.xbmc.org
*
* This Program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This Program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with XBMC; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#include "GUIFadeLabelControl.h"
#include "utils/CharsetConverter.h"
using namespace std;
CGUIFadeLabelControl::CGUIFadeLabelControl(int parentID, int controlID, float posX, float posY, float width, float height, const CLabelInfo& labelInfo, bool scrollOut, int scrollSpeed, DWORD timeToDelayAtEnd, bool resetOnLabelChange)
: CGUIControl(parentID, controlID, posX, posY, width, height), m_scrollInfo(50, labelInfo.offsetX, scrollSpeed)
, m_textLayout(labelInfo.font, false)
{
m_label = labelInfo;
m_currentLabel = 0;
ControlType = GUICONTROL_FADELABEL;
m_scrollOut = scrollOut;
m_fadeAnim = CAnimation::CreateFader(100, 0, timeToDelayAtEnd, 200);
if (m_fadeAnim)
m_fadeAnim->ApplyAnimation();
m_renderTime = 0;
m_lastLabel = -1;
m_scrollSpeed = scrollSpeed; // save it for later
m_resetOnLabelChange = resetOnLabelChange;
m_shortText = false;
}
CGUIFadeLabelControl::CGUIFadeLabelControl(const CGUIFadeLabelControl &from)
: CGUIControl(from), m_infoLabels(from.m_infoLabels), m_scrollInfo(from.m_scrollInfo), m_textLayout(from.m_textLayout)
{
m_label = from.m_label;
m_scrollOut = from.m_scrollOut;
m_scrollSpeed = from.m_scrollSpeed;
m_resetOnLabelChange = from.m_resetOnLabelChange;
if (from.m_fadeAnim)
m_fadeAnim = new CAnimation(*from.m_fadeAnim);
if (m_fadeAnim)
m_fadeAnim->ApplyAnimation();
m_currentLabel = 0;
m_renderTime = 0;
m_lastLabel = -1;
ControlType = GUICONTROL_FADELABEL;
}
CGUIFadeLabelControl::~CGUIFadeLabelControl(void)
{
delete m_fadeAnim;
}
void CGUIFadeLabelControl::SetInfo(const vector<CGUIInfoLabel> &infoLabels)
{
m_lastLabel = -1;
m_infoLabels = infoLabels;
}
void CGUIFadeLabelControl::AddLabel(const string &label)
{
m_infoLabels.push_back(CGUIInfoLabel(label));
}
void CGUIFadeLabelControl::DoRender(DWORD currentTime)
{
m_renderTime = currentTime;
CGUIControl::DoRender(currentTime);
}
void CGUIFadeLabelControl::UpdateColors()
{
m_label.UpdateColors();
CGUIControl::UpdateColors();
}
void CGUIFadeLabelControl::Render()
{
if (m_infoLabels.size() == 0)
{ // nothing to render
CGUIControl::Render();
return ;
}
if (m_currentLabel >= m_infoLabels.size() )
m_currentLabel = 0;
if (m_textLayout.Update(m_infoLabels[m_currentLabel].GetLabel(m_parentID)))
{ // changed label - update our suffix based on length of available text
float width, height;
m_textLayout.GetTextExtent(width, height);
float spaceWidth = m_label.font->GetCharWidth(L' ');
unsigned int numSpaces = (unsigned int)(m_width / spaceWidth) + 1;
if (width < m_width) // append spaces for scrolling
numSpaces += (unsigned int)((m_width - width) / spaceWidth) + 1;
m_shortText = (width + m_label.offsetX) < m_width;
m_scrollInfo.suffix.assign(numSpaces, L' ');
if (m_resetOnLabelChange)
{
m_scrollInfo.Reset();
m_fadeAnim->ResetAnimation();
}
}
if (m_currentLabel != m_lastLabel)
{ // new label - reset scrolling
m_scrollInfo.Reset();
m_fadeAnim->QueueAnimation(ANIM_PROCESS_REVERSE);
m_lastLabel = m_currentLabel;
}
float posY = m_posY;
if (m_label.align & XBFONT_CENTER_Y)
posY += m_height * 0.5f;
if (m_infoLabels.size() == 1 && m_shortText)
{ // single label set and no scrolling required - just display
m_textLayout.Render(m_posX + m_label.offsetX, posY, 0, m_label.textColor, m_label.shadowColor, (m_label.align & ~3), m_width - m_label.offsetX);
CGUIControl::Render();
return;
}
bool moveToNextLabel = false;
if (!m_scrollOut)
{
vecText text;
m_textLayout.GetFirstText(text);
if (m_scrollInfo.characterPos && m_scrollInfo.characterPos < text.size())
text.erase(text.begin(), text.begin() + min((int)m_scrollInfo.characterPos - 1, (int)text.size()));
if (m_label.font->GetTextWidth(text) < m_width)
{
if (m_fadeAnim->GetProcess() != ANIM_PROCESS_NORMAL)
m_fadeAnim->QueueAnimation(ANIM_PROCESS_NORMAL);
moveToNextLabel = true;
}
}
else if (m_scrollInfo.characterPos > m_textLayout.GetTextLength())
moveToNextLabel = true;
// apply the fading animation
TransformMatrix matrix;
m_fadeAnim->Animate(m_renderTime, true);
m_fadeAnim->RenderAnimation(matrix);
g_graphicsContext.AddTransform(matrix);
if (m_fadeAnim->GetState() == ANIM_STATE_APPLIED)
m_fadeAnim->ResetAnimation();
m_scrollInfo.SetSpeed((m_fadeAnim->GetProcess() == ANIM_PROCESS_NONE) ? m_scrollSpeed : 0);
if (!m_scrollOut && m_shortText)
{
float posX = m_posX + m_label.offsetX;
if (m_label.align & XBFONT_CENTER_X)
posX = m_posX + m_width * 0.5f;
else if (m_label.align & XBFONT_RIGHT)
posX = m_posX + m_width;
m_textLayout.Render(posX, posY, 0, m_label.textColor, m_label.shadowColor, m_label.align, m_width);
}
else
m_textLayout.RenderScrolling(m_posX, posY, 0, m_label.textColor, m_label.shadowColor, (m_label.align & ~3), m_width, m_scrollInfo);
if (moveToNextLabel)
{ // increment the label and reset scrolling
if (m_fadeAnim->GetProcess() != ANIM_PROCESS_NORMAL)
{
unsigned int label = m_currentLabel;
do
{ // cycle until we get a non-empty label, or stick with the one we have
label++;
if (label >= m_infoLabels.size())
label = 0;
}
while (label != m_currentLabel && m_infoLabels[label].GetLabel(m_parentID).IsEmpty());
m_currentLabel = label;
m_scrollInfo.Reset();
m_fadeAnim->QueueAnimation(ANIM_PROCESS_REVERSE);
}
}
g_graphicsContext.RemoveTransform();
CGUIControl::Render();
}
bool CGUIFadeLabelControl::CanFocus() const
{
return false;
}
bool CGUIFadeLabelControl::OnMessage(CGUIMessage& message)
{
if ( message.GetControlId() == GetID() )
{
if (message.GetMessage() == GUI_MSG_LABEL_ADD)
{
AddLabel(message.GetLabel());
}
if (message.GetMessage() == GUI_MSG_LABEL_RESET)
{
m_lastLabel = -1;
m_infoLabels.clear();
m_scrollInfo.Reset();
}
if (message.GetMessage() == GUI_MSG_LABEL_SET)
{
m_lastLabel = -1;
m_infoLabels.clear();
m_scrollInfo.Reset();
AddLabel(message.GetLabel());
}
}
return CGUIControl::OnMessage(message);
}
|
