samples/bombs/bombs.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        bombs.cpp
   3 // Purpose:     Bombs game
   4 // Author:      P. Foggia 1996
   5 // Modified by:
   6 // Created:     1996
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1996 P. Foggia
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation
  14 #endif
  15
  16 #include "wx/wxprec.h"
  17
  18 #ifndef  WX_PRECOMP
  19   #include "wx/wx.h"
  20 #endif //precompiled headers
  21
  22 #include "bombs.h"
  23
  24 #include <time.h>
  25 #include <stdlib.h>
  26
  27 #if defined(__WXGTK__) || defined(__WXMOTIF__)
  28 #include "bombs.xpm"
  29 #endif
  30
  31 IMPLEMENT_APP(AppClass)
  32
  33 // Called to initialize the program
  34 bool AppClass::OnInit()
  35 {
  36   srand((unsigned)time(NULL));
  37
  38   // Initialize all the top-level window members to NULL.
  39   BombsFrame = NULL;
  40   level=IDM_EASY;
  41
  42   BombsFrame =
  43     new BombsFrameClass(NULL, "wxBombs", wxPoint(155, 165), wxSize(300, 300), wxMINIMIZE_BOX | wxSYSTEM_MENU | wxCAPTION);
  44
  45   int xmax=BombsFrame->BombsCanvas->field_width*BombsFrame->BombsCanvas->x_cell*X_UNIT;
  46   int ymax=BombsFrame->BombsCanvas->field_height*BombsFrame->BombsCanvas->y_cell*Y_UNIT;
  47   BombsFrame->SetClientSize(xmax, ymax);
  48
  49   return TRUE;
  50 }
  51
  52 BEGIN_EVENT_TABLE(BombsFrameClass, wxFrame)
  53     EVT_MENU(IDM_EASY, BombsFrameClass::OnEasy)
  54     EVT_MENU(IDM_MEDIUM, BombsFrameClass::OnMedium)
  55     EVT_MENU(IDM_DIFFICULT, BombsFrameClass::OnDifficult)
  56     EVT_MENU(IDM_EXIT, BombsFrameClass::OnExit)
  57     EVT_MENU(IDM_ABOUT, BombsFrameClass::OnAbout)
  58     EVT_MENU(IDM_RESTART, BombsFrameClass::OnRestart)
  59     EVT_CLOSE(BombsFrameClass::OnCloseWindow)
  60 END_EVENT_TABLE()
  61
  62 BombsFrameClass::BombsFrameClass(wxFrame *parent, const wxString& title, const wxPoint& pos, const wxSize& size, long style):
  63   wxFrame(parent, -1, title, pos, size, style)
  64 {
  65   // Initialize child subwindow members.
  66   BombsCanvas = NULL;
  67
  68   SetIcon(wxICON(bombs));
  69
  70   CreateStatusBar();
  71
  72   // Create a menu bar for the frame
  73   wxMenuBar *menuBar1 = new wxMenuBar;
  74   wxMenu *menu1 = new wxMenu;
  75   menu1->Append(IDM_EXIT, "E&xit"); // , "Quit the program");
  76   menu1->AppendSeparator();
  77   menu1->Append(IDM_ABOUT, "&About..."); // , "Infos on wxBombs");
  78   menuBar1->Append(menu1, "&File");
  79   wxMenu *menu2 = new wxMenu;
  80   menu2->Append(IDM_RESTART, "&Restart"); // , "Clear the play field");
  81   menu2->AppendSeparator();
  82   menu2->Append(IDM_EASY, "&Easy", wxEmptyString, TRUE); // "10x10 play field", TRUE);
  83   menu2->Append(IDM_MEDIUM, "&Medium", wxEmptyString, TRUE); // "15x15 play field", TRUE);
  84   menu2->Append(IDM_DIFFICULT, "&Difficult", wxEmptyString, TRUE); // "25x20 play field", TRUE);
  85   menuBar1->Append(menu2, "&Game");
  86   SetMenuBar(menuBar1);
  87   menuBar=menuBar1;
  88   menuBar->Check(wxGetApp().level, TRUE);
  89
  90   // Create child subwindows.
  91   BombsCanvas = new BombsCanvasClass(this);
  92
  93   // Ensure the subwindows get resized o.k.
  94 //  OnSize(width, height);
  95
  96   // Centre frame on the screen.
  97   Centre(wxBOTH);
  98
  99   // Show the frame.
 100   Show(TRUE);
 101 }
 102
 103 BombsFrameClass::~BombsFrameClass(void)
 104 {
 105 }
 106
 107 void BombsFrameClass::OnCloseWindow(wxCloseEvent& event)
 108 {
 109   this->Destroy();
 110 }
 111
 112 void BombsFrameClass::OnExit(wxCommandEvent& event)
 113 {
 114     this->Destroy();
 115 }
 116
 117 void BombsFrameClass::OnRestart(wxCommandEvent& event)
 118 {
 119     BombsCanvas->UpdateFieldSize();
 120     int xmax=BombsCanvas->field_width*BombsCanvas->x_cell*X_UNIT;
 121     int ymax=BombsCanvas->field_height*BombsCanvas->y_cell*Y_UNIT;
 122     wxGetApp().BombsFrame->SetClientSize(xmax, ymax);
 123 }
 124
 125 void BombsFrameClass::OnAbout(wxCommandEvent& event)
 126 {
 127     wxMessageBox("wxBombs (c) 1996 by P. Foggia\n<foggia@amalfi.dis.unina.it>", "About wxBombs");
 128 }
 129
 130 void BombsFrameClass::OnEasy(wxCommandEvent& event)
 131 {
 132     menuBar->Check(wxGetApp().level, FALSE);
 133     wxGetApp().level=IDM_EASY;
 134     menuBar->Check(wxGetApp().level, TRUE);
 135 }
 136
 137 void BombsFrameClass::OnMedium(wxCommandEvent& event)
 138 {
 139     menuBar->Check(wxGetApp().level, FALSE);
 140     wxGetApp().level=IDM_MEDIUM;
 141     menuBar->Check(wxGetApp().level, TRUE);
 142 }
 143
 144 void BombsFrameClass::OnDifficult(wxCommandEvent& event)
 145 {
 146     menuBar->Check(wxGetApp().level, FALSE);
 147     wxGetApp().level=IDM_DIFFICULT;
 148     menuBar->Check(wxGetApp().level, TRUE);
 149 }
 150
 151 BEGIN_EVENT_TABLE(BombsCanvasClass, wxWindow)
 152     EVT_PAINT(BombsCanvasClass::OnPaint)
 153     EVT_MOUSE_EVENTS(BombsCanvasClass::OnEvent)
 154 END_EVENT_TABLE()
 155
 156 BombsCanvasClass::BombsCanvasClass(wxFrame *parent, const wxPoint& pos, const wxSize& size, long style):
 157   wxWindow(parent, -1, pos, size, style)
 158 {
 159   int sx, sy;
 160   wxClientDC dc(this);
 161   wxFont font= BOMBS_FONT;
 162   dc.SetFont(font);
 163
 164   long chw, chh;
 165   char buf[]="M";
 166
 167   dc.GetTextExtent(buf, &chw, &chh);
 168   dc.SetFont(wxNullFont);
 169
 170   dc.SetMapMode(wxMM_METRIC);
 171
 172   int xcm = dc.LogicalToDeviceX(10.0);
 173   int ycm = dc.LogicalToDeviceY(10.0);
 174     // To have a square cell, there must be :
 175     //    sx*ycm == sy*xcm
 176   if (chw*ycm < chh*xcm)
 177     { sy=chh;
 178       sx=chh*xcm/ycm;
 179     }
 180   else
 181     { sx=chw;
 182       sy=chw*ycm/xcm;
 183     }
 184   x_cell = (sx+3+X_UNIT)/X_UNIT;
 185   y_cell = (sy+3+Y_UNIT)/Y_UNIT;
 186   dc.SetMapMode(wxMM_TEXT);
 187   bmp=NULL;
 188   UpdateFieldSize();
 189 }
 190
 191 BombsCanvasClass::~BombsCanvasClass(void)
 192 {
 193   if (bmp)
 194     delete bmp;
 195 }
 196
 197 // Called when canvas needs to be repainted.
 198 void BombsCanvasClass::OnPaint(wxPaintEvent& event)
 199 {
 200   wxPaintDC dc(this);
 201
 202   // Insert your drawing code here.
 203   if (!bmp)
 204     { bmp=new wxBitmap(field_width*x_cell*X_UNIT+1,
 205                        field_height*y_cell*Y_UNIT+1);
 206       if (bmp)
 207         { wxMemoryDC memDC;
 208           memDC.SelectObject(* bmp);
 209           DrawField(&memDC, 0, 0, field_width-1, field_height-1);
 210           memDC.SelectObject(wxNullBitmap);
 211         }
 212     }
 213   if (bmp)
 214     { wxMemoryDC memDC;
 215       memDC.SelectObject(* bmp);
 216       dc.Blit(0, 0, field_width*x_cell*X_UNIT+1,
 217                           field_height*y_cell*Y_UNIT+1,
 218                     &memDC, 0, 0, wxCOPY);
 219       memDC.SelectObject(wxNullBitmap);
 220     }
 221   else
 222     DrawField(& dc, 0, 0, field_width-1, field_height-1);
 223 }
 224
 225 // Updates the field size depending on wxGetApp().level and
 226 // redraws the canvas
 227 void BombsCanvasClass::UpdateFieldSize()
 228   { field_width=20;
 229     field_height=20;
 230
 231     switch(wxGetApp().level)
 232       { case IDM_EASY:
 233           field_width=10;
 234           field_height=10;
 235           break;
 236         case IDM_MEDIUM:
 237           field_width=15;
 238           field_height=15;
 239           break;
 240         case IDM_DIFFICULT:
 241           field_width=25;
 242           field_height=20;
 243           break;
 244       }
 245     wxGetApp().Game.Init(field_width, field_height);
 246
 247     if (bmp)
 248       delete bmp;
 249     bmp=NULL;
 250
 251     wxWindow::Refresh();
 252   }