desktop/src/BaseButtons.cc

   1 ///
   2 /// \file       BaseButtons.cc
   3 ///             Support class for BaseFrame
   4 ///
   5
   6 /*
   7     Copyright (C) 2009-2013, Net Direct Inc. (http://www.netdirect.ca/)
   8
   9     This program is free software; you can redistribute it and/or modify
  10     it under the terms of the GNU General Public License as published by
  11     the Free Software Foundation; either version 2 of the License, or
  12     (at your option) any later version.
  13
  14     This program is distributed in the hope that it will be useful,
  15     but WITHOUT ANY WARRANTY; without even the implied warranty of
  16     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  17
  18     See the GNU General Public License in the COPYING file at the
  19     root directory of this project for more details.
  20 */
  21
  22 #include "BaseButtons.h"
  23 #include "BaseFrame.h"
  24 #include "PNGButton.h"
  25 #include "windowids.h"
  26 #include "util.h"
  27 #include <wx/wx.h>
  28 #include <vector>
  29
  30 using namespace std;
  31
  32 //////////////////////////////////////////////////////////////////////////////
  33 // BaseButtons
  34
  35 BaseButtons::BaseButtons(wxWindow *parent)
  36         : m_current(0)
  37 {
  38         // first, discover the size of the average button
  39         wxString file = GetButtonFilename(MainMenu_BackupAndRestore,
  40                                         BUTTON_STATE_NORMAL);
  41         wxImage sizer(file);
  42         m_buttonWidth = sizer.GetWidth();
  43         m_buttonHeight = sizer.GetHeight();
  44
  45         for( int i = MainMenu_FirstButton; i <= MainMenu_LastButton; i++ ) {
  46                 int row = (i - MainMenu_FirstButton) / 3;
  47                 int col = (i - MainMenu_FirstButton) % 3;
  48                 int y_offset = MAIN_HEADER_OFFSET; // skip the header
  49
  50                 PNGButton *button = new PNGButton(parent, i,
  51                         col * m_buttonWidth,
  52                         row * m_buttonHeight + y_offset,
  53                         IsButtonEnabled(i));
  54
  55                 m_buttons.push_back(button);
  56         }
  57 }
  58
  59 BaseButtons::~BaseButtons()
  60 {
  61         vector<PNGButton*>::iterator b = m_buttons.begin();
  62         for( ; b != m_buttons.end(); ++b ) {
  63                 delete *b;
  64         }
  65         m_buttons.clear();
  66 }
  67
  68 PNGButton* BaseButtons::CalculateHit(int x, int y)
  69 {
  70         int col = x / m_buttonWidth;
  71         if( x < 0 || col < 0 || col > 2 )
  72                 return 0;
  73
  74         int y_offset = MAIN_HEADER_OFFSET;      // graphic header size
  75
  76         int row = (y - y_offset) / m_buttonHeight;
  77         if( y < y_offset || row < 0 || row > 2 )
  78                 return 0;
  79
  80         unsigned int index = col + row * 3;
  81         if( index >= m_buttons.size() )
  82                 return 0;
  83
  84         return m_buttons[index];
  85 }
  86
  87 void BaseButtons::InitAll(wxDC &dc)
  88 {
  89         vector<PNGButton*>::iterator b = m_buttons.begin();
  90         for( ; b != m_buttons.end(); ++b ) {
  91                 (*b)->Init(dc);
  92         }
  93 }
  94
  95 void BaseButtons::DrawAll(wxDC &dc)
  96 {
  97         vector<PNGButton*>::iterator b = m_buttons.begin();
  98         for( ; b != m_buttons.end(); ++b ) {
  99                 (*b)->Draw(dc);
 100         }
 101 }
 102
 103 void BaseButtons::HandleMotion(wxDC &dc, int x, int y)
 104 {
 105         PNGButton *hit = CalculateHit(x, y);
 106         if( hit != m_current ) {
 107                 // clean up old hit
 108                 if( m_current ) {
 109                         m_current->Normal(dc);
 110                 }
 111
 112                 m_current = hit;
 113
 114                 // draw the new state
 115                 if( m_current )
 116                         m_current->Focus(dc);
 117         }
 118 }
 119
 120 void BaseButtons::HandleDown(wxDC &dc, int x, int y)
 121 {
 122         HandleMotion(dc, x, y);
 123         if( m_current ) {
 124                 m_current->Push(dc);
 125         }
 126 }
 127
 128 void BaseButtons::HandleUp(wxDC &dc, int x, int y)
 129 {
 130         HandleMotion(dc, x, y);
 131         if( m_current && m_current->IsPushed() ) {
 132                 m_current->Click(dc);
 133         }
 134 }
 135