demos/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 wxWidgets 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, const wxPoint& pos, const wxSize& size) :
  42              wxScrolledWindow(parent, wxID_ANY, pos, size),
  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 = _T("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     delete m_handCursor;
  72     delete m_arrowCursor;
  73 }
  74
  75
  76 /*
  77 Write the current player's score back to the score file
  78 */
  79 void FortyCanvas::UpdateScores()
  80 {
  81     if (m_player.Length() > 0 && m_scoreFile && m_game)
  82     {
  83         m_scoreFile->WritePlayersScore(
  84             m_player,
  85             m_game->GetNumWins(),
  86             m_game->GetNumGames(),
  87             m_game->GetScore()
  88         );
  89     }
  90 }
  91
  92
  93 void FortyCanvas::OnDraw(wxDC& dc)
  94 {
  95     dc.SetFont(* m_font);
  96     m_game->Redraw(dc);
  97 #if 0
  98     // if player name not set (and selection dialog is not displayed)
  99     // then ask the player for their name
 100     if (m_player.Length() == 0 && !m_playerDialog)
 101     {
 102         m_playerDialog = new PlayerSelectionDialog(this, m_scoreFile);
 103         m_playerDialog->ShowModal();
 104         m_player = m_playerDialog->GetPlayersName();
 105         if (m_player.Length() > 0)
 106         {
 107             // user entered a name - lookup their score
 108             int wins, games, score;
 109             m_scoreFile->ReadPlayersScore(m_player, wins, games, score);
 110             m_game->NewPlayer(wins, games, score);
 111             m_game->DisplayScore(dc);
 112             m_playerDialog->Destroy();
 113             m_playerDialog = 0;
 114             Refresh(false);
 115         }
 116         else
 117         {
 118             // user cancelled the dialog - exit the app
 119             ((wxFrame*)GetParent())->Close(true);
 120         }
 121     }
 122 #endif
 123 }
 124
 125 void FortyCanvas::ShowPlayerDialog()
 126 {
 127     // if player name not set (and selection dialog is not displayed)
 128     // then ask the player for their name
 129     if (m_player.Length() == 0 && !m_playerDialog)
 130     {
 131         m_playerDialog = new PlayerSelectionDialog(this, m_scoreFile);
 132         m_playerDialog->ShowModal();
 133         m_player = m_playerDialog->GetPlayersName();
 134         if (m_player.Length() > 0)
 135         {
 136             // user entered a name - lookup their score
 137             int wins, games, score;
 138             m_scoreFile->ReadPlayersScore(m_player, wins, games, score);
 139             m_game->NewPlayer(wins, games, score);
 140
 141             wxClientDC dc(this);
 142             dc.SetFont(* m_font);
 143             m_game->DisplayScore(dc);
 144             m_playerDialog->Destroy();
 145             m_playerDialog = 0;
 146             Refresh(false);
 147         }
 148         else
 149         {
 150             // user cancelled the dialog - exit the app
 151             ((wxFrame*)GetParent())->Close(true);
 152         }
 153     }
 154 }
 155
 156 /*
 157 Called when the main frame is closed
 158 */
 159 bool FortyCanvas::OnCloseCanvas()
 160 {
 161     if (m_game->InPlay() &&
 162         wxMessageBox(_T("Are you sure you want to\nabandon the current game?"),
 163             _T("Warning"), wxYES_NO | wxICON_QUESTION) == wxNO)
 164     {
 165         return false;
 166     }
 167     return true;
 168 }
 169
 170 void FortyCanvas::OnMouseEvent(wxMouseEvent& event)
 171 {
 172     int mouseX = (int)event.GetX();
 173     int mouseY = (int)event.GetY();
 174
 175     wxClientDC dc(this);
 176     PrepareDC(dc);
 177     dc.SetFont(* m_font);
 178
 179     if (event.LeftDClick())
 180     {
 181         if (m_leftBtnDown)
 182         {
 183             m_leftBtnDown = false;
 184             ReleaseMouse();
 185             m_game->LButtonUp(dc, mouseX, mouseY);
 186         }
 187         m_game->LButtonDblClk(dc, mouseX, mouseY);
 188     }
 189     else if (event.LeftDown())
 190     {
 191         if (!m_leftBtnDown)
 192         {
 193             m_leftBtnDown = true;
 194             CaptureMouse();
 195             m_game->LButtonDown(dc, mouseX, mouseY);
 196         }
 197     }
 198     else if (event.LeftUp())
 199     {
 200         if (m_leftBtnDown)
 201         {
 202             m_leftBtnDown = false;
 203             ReleaseMouse();
 204             m_game->LButtonUp(dc, mouseX, mouseY);
 205         }
 206     }
 207     else if (event.RightDown() && !event.LeftIsDown())
 208     {
 209         // only allow right button undo if m_rightBtnUndo is true
 210         if (m_rightBtnUndo)
 211         {
 212             if (event.ControlDown() || event.ShiftDown())
 213             {
 214                 m_game->Redo(dc);
 215             }
 216             else
 217             {
 218                 m_game->Undo(dc);
 219             }
 220         }
 221     }
 222     else if (event.Dragging())
 223     {
 224         m_game->MouseMove(dc, mouseX, mouseY);
 225     }
 226
 227     if (!event.LeftIsDown())
 228     {
 229         SetCursorStyle(mouseX, mouseY);
 230     }
 231 }
 232
 233 void FortyCanvas::SetCursorStyle(int x, int y)
 234 {
 235     // Only set cursor to a hand if 'helping hand' is enabled and
 236     // the card under the cursor can go somewhere
 237     if (m_game->CanYouGo(x, y) && m_helpingHand)
 238     {
 239         SetCursor(* m_handCursor);
 240     }
 241     else
 242     {
 243         SetCursor(* m_arrowCursor);
 244     }
 245
 246 }
 247
 248 void FortyCanvas::NewGame()
 249 {
 250     m_game->Deal();
 251     Refresh();
 252 }
 253
 254 void FortyCanvas::Undo()
 255 {
 256     wxClientDC dc(this);
 257     PrepareDC(dc);
 258     dc.SetFont(* m_font);
 259     m_game->Undo(dc);
 260 }
 261
 262 void FortyCanvas::Redo()
 263 {
 264     wxClientDC dc(this);
 265     PrepareDC(dc);
 266     dc.SetFont(* m_font);
 267     m_game->Redo(dc);
 268 }
 269
 270 void FortyCanvas::LayoutGame()
 271 {
 272        m_game->Layout();
 273 }