src/Renderer/ButtonRenderer.cpp

   1 /*
   2 Copyright_License {
   3
   4   XCSoar Glide Computer - http://www.xcsoar.org/
   5   Copyright (C) 2000-2013 The XCSoar Project
   6   A detailed list of copyright holders can be found in the file "AUTHORS".
   7
   8   This program is free software; you can redistribute it and/or
   9   modify it under the terms of the GNU General Public License
  10   as published by the Free Software Foundation; either version 2
  11   of the License, or (at your option) any later version.
  12
  13   This program is distributed in the hope that it will be useful,
  14   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16   GNU General Public License for more details.
  17
  18   You should have received a copy of the GNU General Public License
  19   along with this program; if not, write to the Free Software
  20   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  21 }
  22 */
  23
  24 #include "ButtonRenderer.hpp"
  25 #include "Screen/Color.hpp"
  26 #include "Screen/Canvas.hpp"
  27 #include "Screen/Pen.hpp"
  28 #include "Look/ButtonLook.hpp"
  29
  30 void
  31 ButtonRenderer::DrawButton(Canvas &canvas, PixelRect rc, bool focused,
  32                            bool pressed)
  33 {
  34   const ButtonLook::StateLook &_look = focused ? look.focused : look.standard;
  35
  36   canvas.DrawFilledRectangle(rc, _look.background_color);
  37
  38   canvas.Select(pressed ? _look.dark_border_pen : _look.light_border_pen);
  39   canvas.DrawTwoLines(rc.left, rc.bottom - 2, rc.left, rc.top, rc.right - 2,
  40                       rc.top);
  41   canvas.DrawTwoLines(rc.left + 1, rc.bottom - 3, rc.left + 1, rc.top + 1,
  42                       rc.right - 3, rc.top + 1);
  43
  44   canvas.Select(pressed ? _look.light_border_pen : _look.dark_border_pen);
  45   canvas.DrawTwoLines(rc.left + 1, rc.bottom - 1, rc.right - 1, rc.bottom - 1,
  46                       rc.right - 1, rc.top + 1);
  47   canvas.DrawTwoLines(rc.left + 2, rc.bottom - 2, rc.right - 2, rc.bottom - 2,
  48                       rc.right - 2, rc.top + 2);
  49 }
  50
  51 PixelRect
  52 ButtonRenderer::GetDrawingRect(PixelRect rc, bool pressed)
  53 {
  54   rc.Grow(-2);
  55   if (pressed)
  56     rc.Offset(1, 1);
  57
  58   return rc;
  59 }