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"
23 #include "utils/StringUtils.h"
27 CGUILabelControl::CGUILabelControl(int parentID, int controlID, float posX, float posY, float width, float height, const CLabelInfo& labelInfo, bool wrapMultiLine, bool bHasPath)
28 : CGUIControl(parentID, controlID, posX, posY, width, height)
29 , m_label(posX, posY, width, height, labelInfo, wrapMultiLine ? CGUILabel::OVER_FLOW_WRAP : CGUILabel::OVER_FLOW_TRUNCATE)
31 m_bHasPath = bHasPath;
33 m_bShowCursor = false;
35 ControlType = GUICONTROL_LABEL;
36 m_startHighlight = m_endHighlight = 0;
37 m_startSelection = m_endSelection = 0;
41 CGUILabelControl::~CGUILabelControl(void)
45 void CGUILabelControl::ShowCursor(bool bShow)
47 m_bShowCursor = bShow;
50 void CGUILabelControl::SetCursorPos(int iPos)
52 CStdString labelUTF8 = m_infoLabel.GetLabel(m_parentID);
54 g_charsetConverter.utf8ToW(labelUTF8, label);
55 if (iPos > (int)label.length()) iPos = label.length();
56 if (iPos < 0) iPos = 0;
58 if (m_iCursorPos != iPos)
64 void CGUILabelControl::SetInfo(const CGUIInfoLabel &infoLabel)
66 m_infoLabel = infoLabel;
69 bool CGUILabelControl::UpdateColors()
71 bool changed = CGUIControl::UpdateColors();
72 changed |= m_label.UpdateColors();
77 typedef struct InsertPointInfo
86 bool operator < (const InsertPointInfo& info) const
92 // TAIL always ahead HEAD at same pos.
99 // HEADs in same pos, larger block's HEAD ahead
100 if (blockLength > info.blockLength)
102 if (blockLength < info.blockLength)
104 // same pos, type, blocklength, then lower priority HEAD ahead.
105 // then the higher priority block will nested in the lower priority one.
106 return priority < info.priority;
108 else if (type == TAIL)
110 // TAILs in same pos, smaill block's TAIL ahead
111 if (blockLength < info.blockLength)
113 if (blockLength > info.blockLength)
115 // same pos, type, blocklength, then higher priority TAIL ahead.
116 return priority > info.priority;
119 // order type HEAD_AND_TAIL by priority, higher ahead.
120 return priority > info.priority;
126 int priority; // only used when same pos, same type, same blocklength
130 void CGUILabelControl::UpdateInfo(const CGUIListItem *item)
132 CStdString label(m_infoLabel.GetLabel(m_parentID));
134 bool changed = false;
135 if (m_startHighlight < m_endHighlight || m_startSelection < m_endSelection || m_bShowCursor)
138 g_charsetConverter.utf8ToW(label, utf16);
139 vecText text; text.reserve(utf16.size()+1);
141 colors.push_back(m_label.GetLabelInfo().textColor);
142 colors.push_back(m_label.GetLabelInfo().disabledColor);
143 color_t select = m_label.GetLabelInfo().selectedColor;
146 colors.push_back(select);
147 colors.push_back(0xFF000000);
148 for (unsigned int i = 0; i < utf16.size(); i++)
150 unsigned int ch = utf16[i];
151 if ((m_startSelection < m_endSelection) && (m_startSelection <= i && i < m_endSelection))
153 else if ((m_startHighlight < m_endHighlight) && (i < m_startHighlight || i >= m_endHighlight))
157 if (m_bShowCursor && m_iCursorPos >= 0 && (unsigned int)m_iCursorPos <= utf16.size())
159 unsigned int ch = L'|';
160 if ((++m_dwCounter % 50) <= 25)
162 text.insert(text.begin() + m_iCursorPos, ch);
164 changed |= m_label.SetMaxRect(m_posX, m_posY, GetMaxWidth(), m_height);
165 changed |= m_label.SetStyledText(text, colors);
170 label = ShortenPath(label);
172 changed |= m_label.SetMaxRect(m_posX, m_posY, GetMaxWidth(), m_height);
173 changed |= m_label.SetText(label);
179 void CGUILabelControl::Process(unsigned int currentTime, CDirtyRegionList &dirtyregions)
181 bool changed = false;
183 changed |= m_label.SetColor(IsDisabled() ? CGUILabel::COLOR_DISABLED : CGUILabel::COLOR_TEXT);
184 changed |= m_label.SetMaxRect(m_posX, m_posY, GetWidth(), m_height);
185 changed |= m_label.Process(currentTime);
190 CGUIControl::Process(currentTime, dirtyregions);
193 CRect CGUILabelControl::CalcRenderRegion() const
195 return m_label.GetRenderRect();
198 void CGUILabelControl::Render()
201 CGUIControl::Render();
205 bool CGUILabelControl::CanFocus() const
210 void CGUILabelControl::SetLabel(const string &strLabel)
212 // NOTE: this optimization handles fixed labels only (i.e. not info labels).
213 // One way it might be extended to all labels would be for GUIInfoLabel ( or here )
214 // to store the label prior to parsing, and then compare that against what you're setting.
215 if (m_infoLabel.GetLabel(GetParentID(), false) != strLabel)
217 m_infoLabel.SetLabel(strLabel, "", GetParentID());
218 if (m_iCursorPos > (int)strLabel.size())
219 m_iCursorPos = strLabel.size();
225 void CGUILabelControl::SetWidthControl(float minWidth, bool bScroll)
227 if (m_label.SetScrolling(bScroll) || m_minWidth != minWidth)
230 m_minWidth = minWidth;
233 void CGUILabelControl::SetAlignment(uint32_t align)
235 if (m_label.GetLabelInfo().align != align)
238 m_label.GetLabelInfo().align = align;
242 #define CLAMP(x, low, high) (((x) > (high)) ? (high) : (((x) < (low)) ? (low) : (x)))
244 float CGUILabelControl::GetWidth() const
246 if (m_minWidth && m_minWidth != m_width)
247 return CLAMP(m_label.GetTextWidth(), m_minWidth, GetMaxWidth());
251 void CGUILabelControl::SetWidth(float width)
254 m_label.SetMaxRect(m_posX, m_posY, m_width, m_height);
255 CGUIControl::SetWidth(m_width);
258 bool CGUILabelControl::OnMessage(CGUIMessage& message)
260 if ( message.GetControlId() == GetID() )
262 if (message.GetMessage() == GUI_MSG_LABEL_SET)
264 SetLabel(message.GetLabel());
269 return CGUIControl::OnMessage(message);
272 CStdString CGUILabelControl::ShortenPath(const CStdString &path)
274 if (m_width == 0 || path.empty())
280 nPos = path.find_last_of( '\\' );
281 if ( nPos != std::string::npos )
285 nPos = path.find_last_of( '/' );
286 if ( nPos != std::string::npos )
289 if ( cDelim == '\0' )
292 CStdString workPath(path);
293 // remove trailing slashes
294 if (workPath.size() > 3)
295 if (!StringUtils::EndsWith(workPath, "://") &&
296 !StringUtils::EndsWith(workPath, ":\\"))
297 if (nPos == workPath.size() - 1)
299 workPath.erase(workPath.size() - 1);
300 nPos = workPath.find_last_of( cDelim );
303 if (m_label.SetText(workPath))
306 float textWidth = m_label.GetTextWidth();
308 while ( textWidth > m_width )
310 size_t nGreaterDelim = workPath.find_last_of( cDelim, nPos );
311 if (nGreaterDelim == std::string::npos)
314 nPos = workPath.find_last_of( cDelim, nGreaterDelim - 1 );
315 if ( nPos == std::string::npos )
318 workPath.replace( nPos + 1, nGreaterDelim - nPos - 1, "..." );
320 if (m_label.SetText(workPath))
323 textWidth = m_label.GetTextWidth();
328 void CGUILabelControl::SetHighlight(unsigned int start, unsigned int end)
330 m_startHighlight = start;
331 m_endHighlight = end;
334 void CGUILabelControl::SetSelection(unsigned int start, unsigned int end)
336 m_startSelection = start;
337 m_endSelection = end;
340 CStdString CGUILabelControl::GetDescription() const
342 return m_infoLabel.GetLabel(m_parentID);