samples/forty/canvas.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        canvas.cpp
   3 // Purpose:     Forty Thieves patience game
   4 // Author:      Chris Breeze
   5 // Modified by:
   6 // Created:     21/07/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1993-1998 Chris Breeze
   9 // Licence:     wxWindows licence
  10 //---------------------------------------------------------------------------
  11 // Last modified: 22nd July 1998 - ported to wxWindows 2.0
  12 /////////////////////////////////////////////////////////////////////////////
  13
  14 #ifdef __GNUG__
  15 #pragma implementation
  16 #pragma interface
  17 #endif
  18
  19 // For compilers that support precompilation, includes "wx/wx.h".
  20 #include "wx/wxprec.h"
  21
  22 #ifdef __BORLANDC__
  23 #pragma hdrstop
  24 #endif
  25
  26 #ifndef WX_PRECOMP
  27 #include "wx/wx.h"
  28 #endif
  29
  30 #include "forty.h"
  31 #include "card.h"
  32 #include "game.h"
  33 #include "scorefil.h"
  34 #include "playerdg.h"
  35 #include "canvas.h"
  36
  37 BEGIN_EVENT_TABLE(FortyCanvas, wxScrolledWindow)
  38     EVT_MOUSE_EVENTS(FortyCanvas::OnMouseEvent)
  39 END_EVENT_TABLE()
  40
  41 FortyCanvas::FortyCanvas(wxWindow* parent, int x, int y, int w, int h) :
  42         wxScrolledWindow(parent, -1, wxPoint(x, y), wxSize(w, h)),
  43         m_helpingHand(TRUE),
  44         m_rightBtnUndo(TRUE),
  45         m_playerDialog(0),
  46         m_leftBtnDown(FALSE)
  47 {
  48 #ifdef __WXGTK__
  49         m_font = wxTheFontList->FindOrCreateFont(12, wxROMAN, wxNORMAL, wxNORMAL);
  50 #else
  51         m_font = wxTheFontList->FindOrCreateFont(10, wxSWISS, wxNORMAL, wxNORMAL);
  52 #endif
  53         SetBackgroundColour(*FortyApp::BackgroundColour());
  54         AllowDoubleClick(true);
  55
  56         m_handCursor = new wxCursor(wxCURSOR_HAND);
  57         m_arrowCursor = new wxCursor(wxCURSOR_ARROW);
  58
  59         wxString name = wxTheApp->GetAppName();
  60         if (name.Length() <= 0) name = "forty";
  61         m_scoreFile = new ScoreFile(name);
  62         m_game = new Game(0, 0, 0);
  63         m_game->Deal();
  64 }
  65
  66
  67 FortyCanvas::~FortyCanvas()
  68 {
  69         UpdateScores();
  70         delete m_game;
  71         delete m_scoreFile;
  72 }
  73
  74
  75 /*
  76 Write the current player's score back to the score file
  77 */
  78 void FortyCanvas::UpdateScores()
  79 {
  80         if (m_player.Length() > 0 && m_scoreFile && m_game)
  81         {
  82                 m_scoreFile->WritePlayersScore(
  83                                 m_player,
  84                                 m_game->GetNumWins(),
  85                                 m_game->GetNumGames(),
  86                                 m_game->GetScore()
  87                                 );
  88         }
  89 }
  90
  91
  92 void FortyCanvas::OnDraw(wxDC& dc)
  93 {
  94         dc.SetFont(m_font);
  95         m_game->Redraw(dc);
  96
  97         // if player name not set (and selection dialog is not displayed)
  98         // then ask the player for their name
  99         if (m_player.Length() == 0 && !m_playerDialog)
 100         {
 101                 m_playerDialog = new PlayerSelectionDialog(this, m_scoreFile);
 102                 m_player = m_playerDialog->GetPlayersName();
 103                 if (m_player.Length() > 0)
 104                 {
 105                         // user entered a name - lookup their score
 106                         int wins, games, score;
 107                         m_scoreFile->ReadPlayersScore(m_player, wins, games, score);
 108                         m_game->NewPlayer(wins, games, score);
 109                         m_game->DisplayScore(dc);
 110                         delete m_playerDialog;
 111                         m_playerDialog = 0;
 112                 }
 113                 else
 114                 {
 115                         // user cancelled the dialog - exit the app
 116                         ((wxFrame*)GetParent())->Close(TRUE);
 117                 }
 118         }
 119 }
 120
 121 /*
 122 Called when the main frame is closed
 123 */
 124 bool FortyCanvas::OnClose()
 125 {
 126         if (m_game->InPlay() &&
 127                 wxMessageBox("Are you sure you want to\nabandon the current game?",
 128                         "Warning", wxYES_NO | wxICON_QUESTION) == wxNO)
 129         {
 130                 return FALSE;
 131         }
 132         return TRUE;
 133 }
 134
 135 void FortyCanvas::OnMouseEvent(wxMouseEvent& event)
 136 {
 137         int mouseX = (int)event.GetX();
 138         int mouseY = (int)event.GetY();
 139
 140         wxClientDC dc(this);
 141         PrepareDC(dc);
 142         dc.SetFont(m_font);
 143
 144         if (event.LeftDClick())
 145         {
 146                 if (m_leftBtnDown)
 147                 {
 148                         m_leftBtnDown = FALSE;
 149                         ReleaseMouse();
 150                         m_game->LButtonUp(dc, mouseX, mouseY);
 151                 }
 152                 m_game->LButtonDblClk(dc, mouseX, mouseY);
 153         }
 154         else if (event.LeftDown())
 155         {
 156                 if (!m_leftBtnDown)
 157                 {
 158                         m_leftBtnDown = TRUE;
 159                         CaptureMouse();
 160                         m_game->LButtonDown(dc, mouseX, mouseY);
 161                 }
 162         }
 163         else if (event.LeftUp())
 164         {
 165                 if (m_leftBtnDown)
 166                 {
 167                         m_leftBtnDown = FALSE;
 168                         ReleaseMouse();
 169                         m_game->LButtonUp(dc, mouseX, mouseY);
 170                 }
 171         }
 172         else if (event.RightDown() && !event.LeftIsDown())
 173         {
 174                 // only allow right button undo if m_rightBtnUndo is TRUE
 175                 if (m_rightBtnUndo)
 176                 {
 177                         if (event.ControlDown() || event.ShiftDown())
 178                         {
 179                                 m_game->Redo(dc);
 180                         }
 181                         else
 182                         {
 183                                 m_game->Undo(dc);
 184                         }
 185                 }
 186         }
 187         else if (event.Dragging())
 188         {
 189                 m_game->MouseMove(dc, mouseX, mouseY);
 190         }
 191
 192         if (!event.LeftIsDown())
 193         {
 194                 SetCursorStyle(mouseX, mouseY);
 195         }
 196 }
 197
 198 void FortyCanvas::SetCursorStyle(int x, int y)
 199 {
 200         if (m_game->HaveYouWon())
 201         {
 202                 if (wxMessageBox("Do you wish to play again?",
 203                         "Well Done, You have won!", wxYES_NO | wxICON_QUESTION) == wxYES)
 204                 {
 205                         m_game->Deal();
 206
 207                         wxClientDC dc(this);
 208                         PrepareDC(dc);
 209                         dc.SetFont(m_font);
 210                         m_game->Redraw(dc);
 211                 }
 212                 else
 213                 {
 214                         // user cancelled the dialog - exit the app
 215                         ((wxFrame*)GetParent())->Close(TRUE);
 216                 }
 217         }
 218
 219         // Only set cursor to a hand if 'helping hand' is enabled and
 220         // the card under the cursor can go somewhere
 221         if (m_game->CanYouGo(x, y) && m_helpingHand)
 222         {
 223                 SetCursor(m_handCursor);
 224         }
 225         else
 226         {
 227                 SetCursor(m_arrowCursor);
 228         }
 229
 230 }
 231
 232 void FortyCanvas::NewGame()
 233 {
 234         m_game->Deal();
 235         Refresh();
 236 }
 237
 238 void FortyCanvas::Undo()
 239 {
 240         wxClientDC dc(this);
 241         PrepareDC(dc);
 242         dc.SetFont(m_font);
 243         m_game->Undo(dc);
 244 }
 245
 246 void FortyCanvas::Redo()
 247 {
 248         wxClientDC dc(this);
 249         PrepareDC(dc);
 250         dc.SetFont(m_font);
 251         m_game->Redo(dc);
 252 }