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
  55         m_handCursor = new wxCursor(wxCURSOR_HAND);
  56         m_arrowCursor = new wxCursor(wxCURSOR_ARROW);
  57
  58         wxString name = wxTheApp->GetAppName();
  59         if (name.Length() <= 0) name = "forty";
  60         m_scoreFile = new ScoreFile(name);
  61         m_game = new Game(0, 0, 0);
  62         m_game->Deal();
  63 }
  64
  65
  66 FortyCanvas::~FortyCanvas()
  67 {
  68         UpdateScores();
  69         delete m_game;
  70         delete m_scoreFile;
  71 }
  72
  73
  74 /*
  75 Write the current player's score back to the score file
  76 */
  77 void FortyCanvas::UpdateScores()
  78 {
  79         if (m_player.Length() > 0 && m_scoreFile && m_game)
  80         {
  81                 m_scoreFile->WritePlayersScore(
  82                                 m_player,
  83                                 m_game->GetNumWins(),
  84                                 m_game->GetNumGames(),
  85                                 m_game->GetScore()
  86                                 );
  87         }
  88 }
  89
  90
  91 void FortyCanvas::OnDraw(wxDC& dc)
  92 {
  93         dc.SetFont(* m_font);
  94         m_game->Redraw(dc);
  95
  96         // if player name not set (and selection dialog is not displayed)
  97         // then ask the player for their name
  98         if (m_player.Length() == 0 && !m_playerDialog)
  99         {
 100                 m_playerDialog = new PlayerSelectionDialog(this, m_scoreFile);
 101                 m_playerDialog->ShowModal();
 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                         m_playerDialog->Destroy();
 111                         m_playerDialog = 0;
 112                         Refresh();
 113                 }
 114                 else
 115                 {
 116                         // user cancelled the dialog - exit the app
 117                         ((wxFrame*)GetParent())->Close(TRUE);
 118                 }
 119         }
 120 }
 121
 122 /*
 123 Called when the main frame is closed
 124 */
 125 bool FortyCanvas::OnCloseCanvas()
 126 {
 127         if (m_game->InPlay() &&
 128                 wxMessageBox("Are you sure you want to\nabandon the current game?",
 129                         "Warning", wxYES_NO | wxICON_QUESTION) == wxNO)
 130         {
 131         return FALSE;
 132         }
 133         return TRUE;
 134 }
 135
 136 void FortyCanvas::OnMouseEvent(wxMouseEvent& event)
 137 {
 138         int mouseX = (int)event.GetX();
 139         int mouseY = (int)event.GetY();
 140
 141         wxClientDC dc(this);
 142         PrepareDC(dc);
 143         dc.SetFont(* m_font);
 144
 145         if (event.LeftDClick())
 146         {
 147                 if (m_leftBtnDown)
 148                 {
 149                         m_leftBtnDown = FALSE;
 150                         ReleaseMouse();
 151                         m_game->LButtonUp(dc, mouseX, mouseY);
 152                 }
 153                 m_game->LButtonDblClk(dc, mouseX, mouseY);
 154         }
 155         else if (event.LeftDown())
 156         {
 157                 if (!m_leftBtnDown)
 158                 {
 159                         m_leftBtnDown = TRUE;
 160                         CaptureMouse();
 161                         m_game->LButtonDown(dc, mouseX, mouseY);
 162                 }
 163         }
 164         else if (event.LeftUp())
 165         {
 166                 if (m_leftBtnDown)
 167                 {
 168                         m_leftBtnDown = FALSE;
 169                         ReleaseMouse();
 170                         m_game->LButtonUp(dc, mouseX, mouseY);
 171                 }
 172         }
 173         else if (event.RightDown() && !event.LeftIsDown())
 174         {
 175                 // only allow right button undo if m_rightBtnUndo is TRUE
 176                 if (m_rightBtnUndo)
 177                 {
 178                         if (event.ControlDown() || event.ShiftDown())
 179                         {
 180                                 m_game->Redo(dc);
 181                         }
 182                         else
 183                         {
 184                                 m_game->Undo(dc);
 185                         }
 186                 }
 187         }
 188         else if (event.Dragging())
 189         {
 190                 m_game->MouseMove(dc, mouseX, mouseY);
 191         }
 192
 193         if (!event.LeftIsDown())
 194         {
 195                 SetCursorStyle(mouseX, mouseY);
 196         }
 197 }
 198
 199 void FortyCanvas::SetCursorStyle(int x, int y)
 200 {
 201         if (m_game->HaveYouWon())
 202         {
 203                 if (wxMessageBox("Do you wish to play again?",
 204                         "Well Done, You have won!", wxYES_NO | wxICON_QUESTION) == wxYES)
 205                 {
 206                         m_game->Deal();
 207
 208                         wxClientDC dc(this);
 209                         PrepareDC(dc);
 210                         dc.SetFont(* m_font);
 211                         m_game->Redraw(dc);
 212                 }
 213                 else
 214                 {
 215                         // user cancelled the dialog - exit the app
 216                         ((wxFrame*)GetParent())->Close(TRUE);
 217                 }
 218         }
 219
 220         // Only set cursor to a hand if 'helping hand' is enabled and
 221         // the card under the cursor can go somewhere
 222         if (m_game->CanYouGo(x, y) && m_helpingHand)
 223         {
 224                 SetCursor(* m_handCursor);
 225         }
 226         else
 227         {
 228                 SetCursor(* m_arrowCursor);
 229         }
 230
 231 }
 232
 233 void FortyCanvas::NewGame()
 234 {
 235         m_game->Deal();
 236         Refresh();
 237 }
 238
 239 void FortyCanvas::Undo()
 240 {
 241         wxClientDC dc(this);
 242         PrepareDC(dc);
 243         dc.SetFont(* m_font);
 244         m_game->Undo(dc);
 245 }
 246
 247 void FortyCanvas::Redo()
 248 {
 249         wxClientDC dc(this);
 250         PrepareDC(dc);
 251         dc.SetFont(* m_font);
 252         m_game->Redo(dc);
 253 }