2 * Copyright (C) 2005-2013 Team XBMC
5 * This Program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2, or (at your option)
10 * This Program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with XBMC; see the file COPYING. If not, see
17 * <http://www.gnu.org/licenses/>.
21 #include "GUILabelControl.h"
22 #include "utils/CharsetConverter.h"
26 CGUILabelControl::CGUILabelControl(int parentID, int controlID, float posX, float posY, float width, float height, const CLabelInfo& labelInfo, bool wrapMultiLine, bool bHasPath)
27 : CGUIControl(parentID, controlID, posX, posY, width, height)
28 , m_label(posX, posY, width, height, labelInfo, wrapMultiLine ? CGUILabel::OVER_FLOW_WRAP : CGUILabel::OVER_FLOW_TRUNCATE)
30 m_bHasPath = bHasPath;
32 m_bShowCursor = false;
34 ControlType = GUICONTROL_LABEL;
35 m_startHighlight = m_endHighlight = 0;
36 m_startSelection = m_endSelection = 0;
38 if ((labelInfo.align & XBFONT_RIGHT) && m_width)
42 CGUILabelControl::~CGUILabelControl(void)
46 void CGUILabelControl::ShowCursor(bool bShow)
48 m_bShowCursor = bShow;
51 void CGUILabelControl::SetCursorPos(int iPos)
53 CStdString labelUTF8 = m_infoLabel.GetLabel(m_parentID);
55 g_charsetConverter.utf8ToW(labelUTF8, label);
56 if (iPos > (int)label.length()) iPos = label.length();
57 if (iPos < 0) iPos = 0;
59 if (m_iCursorPos != iPos)
65 void CGUILabelControl::SetInfo(const CGUIInfoLabel &infoLabel)
67 m_infoLabel = infoLabel;
70 bool CGUILabelControl::UpdateColors()
72 bool changed = CGUIControl::UpdateColors();
73 changed |= m_label.UpdateColors();
78 typedef struct InsertPointInfo
87 bool operator < (const InsertPointInfo& info) const
93 // TAIL always ahead HEAD at same pos.
100 // HEADs in same pos, larger block's HEAD ahead
101 if (blockLength > info.blockLength)
103 if (blockLength < info.blockLength)
105 // same pos, type, blocklength, then lower priority HEAD ahead.
106 // then the higher priority block will nested in the lower priority one.
107 return priority < info.priority;
109 else if (type == TAIL)
111 // TAILs in same pos, smaill block's TAIL ahead
112 if (blockLength < info.blockLength)
114 if (blockLength > info.blockLength)
116 // same pos, type, blocklength, then higher priority TAIL ahead.
117 return priority > info.priority;
120 // order type HEAD_AND_TAIL by priority, higher ahead.
121 return priority > info.priority;
127 int priority; // only used when same pos, same type, same blocklength
131 void CGUILabelControl::UpdateInfo(const CGUIListItem *item)
133 CStdString label(m_infoLabel.GetLabel(m_parentID));
135 bool changed = false;
136 if (m_startHighlight < m_endHighlight || m_startSelection < m_endSelection || m_bShowCursor)
139 g_charsetConverter.utf8ToW(label, utf16);
140 vecText text; text.reserve(utf16.size()+1);
142 colors.push_back(m_label.GetLabelInfo().textColor);
143 colors.push_back(m_label.GetLabelInfo().disabledColor);
144 color_t select = m_label.GetLabelInfo().selectedColor;
147 colors.push_back(select);
148 colors.push_back(0xFF000000);
149 for (unsigned int i = 0; i < utf16.size(); i++)
151 unsigned int ch = utf16[i];
152 if ((m_startSelection < m_endSelection) && (m_startSelection <= i && i < m_endSelection))
154 else if ((m_startHighlight < m_endHighlight) && (i < m_startHighlight || i >= m_endHighlight))
158 if (m_bShowCursor && m_iCursorPos >= 0 && (unsigned int)m_iCursorPos <= utf16.size())
160 unsigned int ch = L'|';
161 if ((++m_dwCounter % 50) <= 25)
163 text.insert(text.begin() + m_iCursorPos, ch);
165 changed |= m_label.SetMaxRect(m_posX, m_posY, GetWidth(), m_height);
166 changed |= m_label.SetStyledText(text, colors);
171 label = ShortenPath(label);
173 changed |= m_label.SetMaxRect(m_posX, m_posY, GetWidth(), m_height);
174 changed |= m_label.SetText(label);
180 void CGUILabelControl::Process(unsigned int currentTime, CDirtyRegionList &dirtyregions)
182 bool changed = false;
184 changed |= m_label.SetColor(IsDisabled() ? CGUILabel::COLOR_DISABLED : CGUILabel::COLOR_TEXT);
185 changed |= m_label.SetMaxRect(m_posX, m_posY, GetWidth(), m_height);
186 changed |= m_label.Process(currentTime);
191 CGUIControl::Process(currentTime, dirtyregions);
194 CRect CGUILabelControl::CalcRenderRegion() const
196 return m_label.GetRenderRect();
199 void CGUILabelControl::Render()
202 CGUIControl::Render();
206 bool CGUILabelControl::CanFocus() const
211 void CGUILabelControl::SetLabel(const string &strLabel)
213 m_infoLabel.SetLabel(strLabel, "", GetParentID());
214 if (m_iCursorPos > (int)strLabel.size())
215 m_iCursorPos = strLabel.size();
220 void CGUILabelControl::SetWidthControl(float minWidth, bool bScroll)
222 if (m_label.SetScrolling(bScroll) || m_minWidth != minWidth)
225 m_minWidth = minWidth;
228 void CGUILabelControl::SetAlignment(uint32_t align)
230 if (m_label.GetLabelInfo().align != align)
233 m_label.GetLabelInfo().align = align;
237 #define CLAMP(x, low, high) (((x) > (high)) ? (high) : (((x) < (low)) ? (low) : (x)))
239 float CGUILabelControl::GetWidth() const
241 if (m_minWidth && m_minWidth != m_width)
243 float maxWidth = m_width ? m_width : m_label.GetTextWidth();
244 return CLAMP(m_label.GetTextWidth(), m_minWidth, maxWidth);
249 void CGUILabelControl::SetWidth(float width)
252 m_label.SetMaxRect(m_posX, m_posY, m_width, m_height);
253 CGUIControl::SetWidth(m_width);
256 bool CGUILabelControl::OnMessage(CGUIMessage& message)
258 if ( message.GetControlId() == GetID() )
260 if (message.GetMessage() == GUI_MSG_LABEL_SET)
262 SetLabel(message.GetLabel());
267 return CGUIControl::OnMessage(message);
270 CStdString CGUILabelControl::ShortenPath(const CStdString &path)
272 if (m_width == 0 || path.IsEmpty())
278 nPos = path.find_last_of( '\\' );
279 if ( nPos != std::string::npos )
283 nPos = path.find_last_of( '/' );
284 if ( nPos != std::string::npos )
287 if ( cDelim == '\0' )
290 CStdString workPath(path);
291 // remove trailing slashes
292 if (workPath.size() > 3)
293 if (workPath.Right(3).Compare("://") != 0 && workPath.Right(2).Compare(":\\") != 0)
294 if (nPos == workPath.size() - 1)
296 workPath.erase(workPath.size() - 1);
297 nPos = workPath.find_last_of( cDelim );
300 if (m_label.SetText(workPath))
303 float textWidth = m_label.GetTextWidth();
305 while ( textWidth > m_width )
307 size_t nGreaterDelim = workPath.find_last_of( cDelim, nPos );
308 if (nGreaterDelim == std::string::npos)
311 nPos = workPath.find_last_of( cDelim, nGreaterDelim - 1 );
312 if ( nPos == std::string::npos )
315 workPath.replace( nPos + 1, nGreaterDelim - nPos - 1, "..." );
317 if (m_label.SetText(workPath))
320 textWidth = m_label.GetTextWidth();
325 void CGUILabelControl::SetHighlight(unsigned int start, unsigned int end)
327 m_startHighlight = start;
328 m_endHighlight = end;
331 void CGUILabelControl::SetSelection(unsigned int start, unsigned int end)
333 m_startSelection = start;
334 m_endSelection = end;
337 CStdString CGUILabelControl::GetDescription() const
339 return m_infoLabel.GetLabel(m_parentID);