xbmc/guilib/GUISpinControlEx.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 "GUISpinControlEx.h"
  10
  11 #include "utils/StringUtils.h"
  12
  13 CGUISpinControlEx::CGUISpinControlEx(int parentID, int controlID, float posX, float posY, float width, float height, float spinWidth, float spinHeight, const CLabelInfo& spinInfo, const CTextureInfo &textureFocus, const CTextureInfo &textureNoFocus, const CTextureInfo& textureUp, const CTextureInfo& textureDown, const CTextureInfo& textureUpFocus, const CTextureInfo& textureDownFocus, const CTextureInfo& textureUpDisabled, const CTextureInfo& textureDownDisabled, const CLabelInfo& labelInfo, int iType)
  14     : CGUISpinControl(parentID, controlID, posX, posY, spinWidth, spinHeight, textureUp, textureDown, textureUpFocus, textureDownFocus, textureUpDisabled, textureDownDisabled, spinInfo, iType)
  15     , m_buttonControl(parentID, controlID, posX, posY, width, height, textureFocus, textureNoFocus, labelInfo)
  16 {
  17   ControlType = GUICONTROL_SPINEX;
  18   m_spinPosX = 0;
  19 }
  20
  21 CGUISpinControlEx::~CGUISpinControlEx(void) = default;
  22
  23 void CGUISpinControlEx::AllocResources()
  24 {
  25   // Correct alignment - we always align the spincontrol on the right
  26   m_label.GetLabelInfo().align = (m_label.GetLabelInfo().align & XBFONT_CENTER_Y) | XBFONT_RIGHT;
  27   CGUISpinControl::AllocResources();
  28   m_buttonControl.AllocResources();
  29   if (m_height == 0)
  30     m_height = GetSpinHeight();
  31 }
  32
  33 void CGUISpinControlEx::FreeResources(bool immediately)
  34 {
  35   CGUISpinControl::FreeResources(immediately);
  36   m_buttonControl.FreeResources(immediately);
  37 }
  38
  39 void CGUISpinControlEx::DynamicResourceAlloc(bool bOnOff)
  40 {
  41   CGUISpinControl::DynamicResourceAlloc(bOnOff);
  42   m_buttonControl.DynamicResourceAlloc(bOnOff);
  43 }
  44
  45
  46 void CGUISpinControlEx::SetInvalid()
  47 {
  48   CGUISpinControl::SetInvalid();
  49   m_buttonControl.SetInvalid();
  50 }
  51
  52 void CGUISpinControlEx::Process(unsigned int currentTime, CDirtyRegionList &dirtyregions)
  53 {
  54   // make sure the button has focus if it should have...
  55   m_buttonControl.SetFocus(HasFocus());
  56   m_buttonControl.SetPulseOnSelect(m_pulseOnSelect);
  57   m_buttonControl.SetEnabled(m_enabled);
  58   if (m_bInvalidated)
  59   {
  60     float spinPosX = m_buttonControl.GetXPosition() + m_buttonControl.GetWidth() - GetSpinWidth() * 2 - (m_spinPosX ? m_spinPosX : m_buttonControl.GetLabelInfo().offsetX);
  61     float spinPosY = m_buttonControl.GetYPosition() + (m_buttonControl.GetHeight() - GetSpinHeight()) * 0.5f;
  62     CGUISpinControl::SetPosition(spinPosX, spinPosY);
  63   }
  64   m_buttonControl.DoProcess(currentTime, dirtyregions);
  65   CGUISpinControl::Process(currentTime, dirtyregions);
  66 }
  67
  68 void CGUISpinControlEx::Render()
  69 {
  70   CGUISpinControl::Render();
  71 }
  72
  73 void CGUISpinControlEx::SetPosition(float posX, float posY)
  74 {
  75   m_buttonControl.SetPosition(posX, posY);
  76   CGUISpinControl::SetInvalid();
  77 }
  78
  79 void CGUISpinControlEx::SetWidth(float width)
  80 {
  81   m_buttonControl.SetWidth(width);
  82   CGUISpinControl::SetInvalid();
  83 }
  84
  85 void CGUISpinControlEx::SetHeight(float height)
  86 {
  87   m_buttonControl.SetHeight(height);
  88   CGUISpinControl::SetInvalid();
  89 }
  90
  91 bool CGUISpinControlEx::UpdateColors(const CGUIListItem* item)
  92 {
  93   bool changed = CGUISpinControl::UpdateColors(nullptr);
  94   changed |= m_buttonControl.SetColorDiffuse(m_diffuseColor);
  95   changed |= m_buttonControl.UpdateColors(nullptr);
  96
  97   return changed;
  98 }
  99
 100 void CGUISpinControlEx::SetEnabled(bool bEnable)
 101 {
 102   m_buttonControl.SetEnabled(bEnable);
 103   CGUISpinControl::SetEnabled(bEnable);
 104 }
 105
 106 const std::string CGUISpinControlEx::GetCurrentLabel() const
 107 {
 108   return CGUISpinControl::GetLabel();
 109 }
 110
 111 std::string CGUISpinControlEx::GetDescription() const
 112 {
 113   return StringUtils::Format("{} ({})", m_buttonControl.GetDescription(), GetLabel());
 114 }
 115
 116 void CGUISpinControlEx::SetItemInvalid(bool invalid)
 117 {
 118   if (invalid)
 119   {
 120     m_label.GetLabelInfo().textColor = m_buttonControl.GetLabelInfo().disabledColor;
 121     m_label.GetLabelInfo().focusedColor = m_buttonControl.GetLabelInfo().disabledColor;
 122   }
 123   else
 124   {
 125     m_label.GetLabelInfo().textColor = m_buttonControl.GetLabelInfo().textColor;
 126     m_label.GetLabelInfo().focusedColor = m_buttonControl.GetLabelInfo().focusedColor;
 127   }
 128 }
 129
 130 void CGUISpinControlEx::SetSpinPosition(float spinPosX)
 131 {
 132   m_spinPosX = spinPosX;
 133   SetPosition(m_buttonControl.GetXPosition(), m_buttonControl.GetYPosition());
 134 }
 135
 136 void CGUISpinControlEx::RenderText(float posX, float posY, float width, float height)
 137 {
 138   const float freeSpaceWidth{m_buttonControl.GetWidth() - GetSpinWidth() * 2};
 139
 140   // Limit right label text width to max 50% of free space
 141   // (will be slightly shifted due to offsetX padding)
 142   const float rightTextMaxWidth{freeSpaceWidth * 0.5f};
 143
 144   float rightTextWidth{width};
 145   if (rightTextWidth > rightTextMaxWidth)
 146   {
 147     rightTextWidth = rightTextMaxWidth - m_label.GetLabelInfo().offsetX;
 148   }
 149
 150   m_label.SetScrolling(HasFocus());
 151   // Replace posX by using our button position
 152   posX = m_buttonControl.GetXPosition() + freeSpaceWidth - rightTextWidth -
 153          m_label.GetLabelInfo().offsetX;
 154
 155   // Limit the max width for the left label to avoid text overlapping
 156   m_buttonControl.SetMaxWidth(posX + m_label.GetLabelInfo().offsetX);
 157   m_buttonControl.Render();
 158
 159   CGUISpinControl::RenderText(posX, m_buttonControl.GetYPosition(), rightTextWidth,
 160                               m_buttonControl.GetHeight());
 161 }