xbmc/guilib/GUIListLabel.cpp

   1 /*
   2  *  Copyright (C) 2005-2018 Team Kodi
   3  *  This file is part of Kodi - https://kodi.tv
   4  *
   5  *  SPDX-License-Identifier: GPL-2.0-or-later
   6  *  See LICENSES/README.md for more information.
   7  */
   8
   9 #include "GUIListLabel.h"
  10
  11 #include "addons/Skin.h"
  12
  13 #include <limits>
  14
  15 using namespace KODI::GUILIB;
  16
  17 CGUIListLabel::CGUIListLabel(int parentID, int controlID, float posX, float posY, float width, float height,
  18                              const CLabelInfo& labelInfo, const GUIINFO::CGUIInfoLabel &info, CGUIControl::GUISCROLLVALUE scroll)
  19     : CGUIControl(parentID, controlID, posX, posY, width, height)
  20     , m_label(posX, posY, width, height, labelInfo, (scroll == CGUIControl::ALWAYS) ? CGUILabel::OVER_FLOW_SCROLL : CGUILabel::OVER_FLOW_TRUNCATE)
  21     , m_info(info)
  22 {
  23   m_scroll = scroll;
  24   if (m_info.IsConstant())
  25     SetLabel(m_info.GetLabel(m_parentID, true));
  26   m_label.SetScrollLoopCount(2);
  27   ControlType = GUICONTROL_LISTLABEL;
  28 }
  29
  30 CGUIListLabel::~CGUIListLabel(void) = default;
  31
  32 void CGUIListLabel::SetSelected(bool selected)
  33 {
  34   if(m_label.SetColor(selected ? CGUILabel::COLOR_SELECTED : CGUILabel::COLOR_TEXT))
  35     SetInvalid();
  36 }
  37
  38 void CGUIListLabel::SetFocus(bool focus)
  39 {
  40   CGUIControl::SetFocus(focus);
  41   if (m_scroll == CGUIControl::FOCUS)
  42   {
  43     m_label.SetScrolling(focus);
  44   }
  45 }
  46
  47 CRect CGUIListLabel::CalcRenderRegion() const
  48 {
  49   return m_label.GetRenderRect();
  50 }
  51
  52 bool CGUIListLabel::UpdateColors(const CGUIListItem* item)
  53 {
  54   bool changed = CGUIControl::UpdateColors(nullptr);
  55   changed |= m_label.UpdateColors();
  56
  57   return changed;
  58 }
  59
  60 void CGUIListLabel::Process(unsigned int currentTime, CDirtyRegionList &dirtyregions)
  61 {
  62   if (m_label.Process(currentTime))
  63     MarkDirtyRegion();
  64
  65   CGUIControl::Process(currentTime, dirtyregions);
  66 }
  67
  68 void CGUIListLabel::Render()
  69 {
  70   if (CServiceBroker::GetWinSystem()->GetGfxContext().GetRenderOrder() ==
  71       RENDER_ORDER_FRONT_TO_BACK)
  72     return;
  73   m_label.Render();
  74   CGUIControl::Render();
  75 }
  76
  77 void CGUIListLabel::UpdateInfo(const CGUIListItem *item)
  78 {
  79   if (m_info.IsConstant() && !m_bInvalidated)
  80     return; // nothing to do
  81
  82   if (item)
  83     SetLabel(m_info.GetItemLabel(item));
  84   else
  85     SetLabel(m_info.GetLabel(m_parentID, true));
  86 }
  87
  88 void CGUIListLabel::SetInvalid()
  89 {
  90   m_label.SetInvalid();
  91   CGUIControl::SetInvalid();
  92 }
  93
  94 void CGUIListLabel::SetWidth(float width)
  95 {
  96   m_width = width;
  97   if (m_label.GetLabelInfo().align & XBFONT_RIGHT)
  98     m_label.SetMaxRect(m_posX - m_width, m_posY, m_width, m_height);
  99   else if (m_label.GetLabelInfo().align & XBFONT_CENTER_X)
 100     m_label.SetMaxRect(m_posX - m_width*0.5f, m_posY, m_width, m_height);
 101   else
 102     m_label.SetMaxRect(m_posX, m_posY, m_width, m_height);
 103   CGUIControl::SetWidth(m_width);
 104 }
 105
 106 void CGUIListLabel::SetLabel(const std::string &label)
 107 {
 108   m_label.SetText(label);
 109 }