src/Utils/MiscUI/LineColors.h

   1 // TortoiseGit - a Windows shell extension for easy version control
   2
   3 // Copyright (C) 2010 - TortoiseSVN
   4
   5 // This program is free software; you can redistribute it and/or
   6 // modify it under the terms of the GNU General Public License
   7 // as published by the Free Software Foundation; either version 2
   8 // of the License, or (at your option) any later version.
   9
  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.
  14
  15 // You should have received a copy of the GNU General Public License
  16 // along with this program; if not, write to the Free Software Foundation,
  17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 //
  19 #pragma once
  20 #include <map>
  21
  22
  23 struct linecolors_t
  24 {
  25         COLORREF text;
  26         COLORREF background;
  27         COLORREF shot;
  28 };
  29
  30 class LineColors : public std::map<int, linecolors_t>
  31 {
  32 public:
  33         void AddShotColor(int pos, COLORREF b)
  34         {
  35                  // make sure position exists
  36                  SplitBlock(pos);
  37                  // set value
  38                  (*this)[pos].shot = b;
  39         }
  40
  41         void SetColor(int pos, COLORREF f, COLORREF b)
  42         {
  43                 linecolors_t c;
  44                 c.text = f;
  45                 c.background = b;
  46                 c.shot = b;
  47                 (*this)[pos] = c;
  48         }
  49
  50         void SetColor(int pos, const linecolors_t &c)
  51         {
  52                 linecolors_t cNew = c;
  53                 cNew.shot = c.background;
  54                 (*this)[pos] = cNew;
  55         }
  56
  57         void SplitBlock(int pos) /// insert colormark with same value as previous position defines
  58         {
  59                 std::map<int, linecolors_t>::const_iterator it = this->upper_bound(pos);
  60                 if (it != this->cbegin())
  61                 {
  62                         if ((it == this->cend()) || (it->first != pos))
  63                         {
  64                                 SetColor(pos, (--it)->second);
  65                         }
  66                 }
  67                 else if (it != this->cend())
  68                 {
  69                          SetColor(pos, it->second);
  70                 }
  71         }
  72 };