src/Menu/MenuBar.hpp

   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 #ifndef XCSOAR_MENU_BAR_HPP
  25 #define XCSOAR_MENU_BAR_HPP
  26
  27 #include "Screen/ButtonWindow.hpp"
  28
  29 #include <tchar.h>
  30
  31 class Window;
  32 class ContainerWindow;
  33
  34 /**
  35  * A container for menu buttons.
  36  */
  37 class MenuBar {
  38 public:
  39   enum {
  40     MAX_BUTTONS = 32,
  41   };
  42
  43 protected:
  44   class Button : public ButtonWindow {
  45     unsigned event;
  46
  47   public:
  48     void SetEvent(unsigned _event) {
  49       event = _event;
  50     }
  51
  52     virtual bool OnClicked();
  53
  54 #ifdef USE_GDI
  55   protected:
  56     virtual LRESULT OnMessage(HWND hWnd, UINT message,
  57                                WPARAM wParam, LPARAM lParam);
  58 #endif
  59   };
  60
  61   Button buttons[MAX_BUTTONS];
  62
  63 public:
  64   MenuBar(ContainerWindow &parent);
  65
  66 public:
  67   void SetFont(const Font &font);
  68   void ShowButton(unsigned i, bool enabled, const TCHAR *text,
  69                   unsigned event);
  70   void HideButton(unsigned i);
  71
  72   bool IsButtonEnabled(unsigned i) const {
  73     return buttons[i].IsEnabled();
  74   }
  75
  76   /**
  77    * To be called when the parent's size changes.  Moves all buttons
  78    * to a new position.
  79    */
  80   void OnResize(const PixelRect &rc);
  81 };
  82
  83 #endif