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_playerDialog->ShowModal();
 103                 m_player = m_playerDialog->GetPlayersName();
 104                 if (m_player.Length() > 0)
 105                 {
 106                         // user entered a name - lookup their score
 107                         int wins, games, score;
 108                         m_scoreFile->ReadPlayersScore(m_player, wins, games, score);
 109                         m_game->NewPlayer(wins, games, score);
 110                         m_game->DisplayScore(dc);
 111                         delete m_playerDialog;
 112                         m_playerDialog = 0;
 113                         Refresh();
 114                 }
 115                 else
 116                 {
 117                         // user cancelled the dialog - exit the app
 118                         ((wxFrame*)GetParent())->Close(TRUE);
 119                 }
 120         }
 121 }
 122
 123 /*
 124 Called when the main frame is closed
 125 */
 126 bool FortyCanvas::OnCloseCanvas()
 127 {
 128         if (m_game->InPlay() &&
 129                 wxMessageBox("Are you sure you want to\nabandon the current game?",
 130                         "Warning", wxYES_NO | wxICON_QUESTION) == wxNO)
 131         {
 132         return FALSE;
 133         }
 134         return TRUE;
 135 }
 136
 137 void FortyCanvas::OnMouseEvent(wxMouseEvent& event)
 138 {
 139         int mouseX = (int)event.GetX();
 140         int mouseY = (int)event.GetY();
 141
 142         wxClientDC dc(this);
 143         PrepareDC(dc);
 144         dc.SetFont(* m_font);
 145
 146         if (event.LeftDClick())
 147         {
 148                 if (m_leftBtnDown)
 149                 {
 150                         m_leftBtnDown = FALSE;
 151                         ReleaseMouse();
 152                         m_game->LButtonUp(dc, mouseX, mouseY);
 153                 }
 154                 m_game->LButtonDblClk(dc, mouseX, mouseY);
 155         }
 156         else if (event.LeftDown())
 157         {
 158                 if (!m_leftBtnDown)
 159                 {
 160                         m_leftBtnDown = TRUE;
 161                         CaptureMouse();
 162                         m_game->LButtonDown(dc, mouseX, mouseY);
 163                 }
 164         }
 165         else if (event.LeftUp())
 166         {
 167                 if (m_leftBtnDown)
 168                 {
 169                         m_leftBtnDown = FALSE;
 170                         ReleaseMouse();
 171                         m_game->LButtonUp(dc, mouseX, mouseY);
 172                 }
 173         }
 174         else if (event.RightDown() && !event.LeftIsDown())
 175         {
 176                 // only allow right button undo if m_rightBtnUndo is TRUE
 177                 if (m_rightBtnUndo)
 178                 {
 179                         if (event.ControlDown() || event.ShiftDown())
 180                         {
 181                                 m_game->Redo(dc);
 182                         }
 183                         else
 184                         {
 185                                 m_game->Undo(dc);
 186                         }
 187                 }
 188         }
 189         else if (event.Dragging())
 190         {
 191                 m_game->MouseMove(dc, mouseX, mouseY);
 192         }
 193
 194         if (!event.LeftIsDown())
 195         {
 196                 SetCursorStyle(mouseX, mouseY);
 197         }
 198 }
 199
 200 void FortyCanvas::SetCursorStyle(int x, int y)
 201 {
 202         if (m_game->HaveYouWon())
 203         {
 204                 if (wxMessageBox("Do you wish to play again?",
 205                         "Well Done, You have won!", wxYES_NO | wxICON_QUESTION) == wxYES)
 206                 {
 207                         m_game->Deal();
 208
 209                         wxClientDC dc(this);
 210                         PrepareDC(dc);
 211                         dc.SetFont(* m_font);
 212                         m_game->Redraw(dc);
 213                 }
 214                 else
 215                 {
 216                         // user cancelled the dialog - exit the app
 217                         ((wxFrame*)GetParent())->Close(TRUE);
 218                 }
 219         }
 220
 221         // Only set cursor to a hand if 'helping hand' is enabled and
 222         // the card under the cursor can go somewhere
 223         if (m_game->CanYouGo(x, y) && m_helpingHand)
 224         {
 225                 SetCursor(* m_handCursor);
 226         }
 227         else
 228         {
 229                 SetCursor(* m_arrowCursor);
 230         }
 231
 232 }
 233
 234 void FortyCanvas::NewGame()
 235 {
 236         m_game->Deal();
 237         Refresh();
 238 }
 239
 240 void FortyCanvas::Undo()
 241 {
 242         wxClientDC dc(this);
 243         PrepareDC(dc);
 244         dc.SetFont(* m_font);
 245         m_game->Undo(dc);
 246 }
 247
 248 void FortyCanvas::Redo()
 249 {
 250         wxClientDC dc(this);
 251         PrepareDC(dc);
 252         dc.SetFont(* m_font);
 253         m_game->Redo(dc);
 254 }