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 // For compilers that support precompilation, includes "wx/wx.h".
  15 #include "wx/wxprec.h"
  16
  17 #ifdef __BORLANDC__
  18 #pragma hdrstop
  19 #endif
  20
  21 #ifndef WX_PRECOMP
  22 #include "wx/wx.h"
  23 #endif
  24
  25 #include "forty.h"
  26 #include "card.h"
  27 #include "game.h"
  28 #include "scorefil.h"
  29 #include "playerdg.h"
  30 #include "canvas.h"
  31
  32 BEGIN_EVENT_TABLE(FortyCanvas, wxScrolledWindow)
  33     EVT_MOUSE_EVENTS(FortyCanvas::OnMouseEvent)
  34 END_EVENT_TABLE()
  35
  36 FortyCanvas::FortyCanvas(wxWindow* parent, const wxPoint& pos, const wxSize& size) :
  37              wxScrolledWindow(parent, wxID_ANY, pos, size, 0),
  38              m_helpingHand(true),
  39              m_rightBtnUndo(true),
  40              m_playerDialog(0),
  41              m_leftBtnDown(false)
  42 {
  43     SetScrollbars(0, 0, 0, 0);
  44
  45 #ifdef __WXGTK__
  46     m_font = wxTheFontList->FindOrCreateFont(12, wxROMAN, wxNORMAL, wxNORMAL);
  47 #else
  48     m_font = wxTheFontList->FindOrCreateFont(10, wxSWISS, wxNORMAL, wxNORMAL);
  49 #endif
  50     SetBackgroundColour(FortyApp::BackgroundColour());
  51
  52     m_handCursor = new wxCursor(wxCURSOR_HAND);
  53     m_arrowCursor = new wxCursor(wxCURSOR_ARROW);
  54
  55     wxString name = wxTheApp->GetAppName();
  56     if (name.Length() <= 0) name = _T("forty");
  57     m_scoreFile = new ScoreFile(name);
  58     m_game = new Game(0, 0, 0);
  59     m_game->Deal();
  60 }
  61
  62
  63 FortyCanvas::~FortyCanvas()
  64 {
  65     UpdateScores();
  66     delete m_game;
  67     delete m_scoreFile;
  68     delete m_handCursor;
  69     delete m_arrowCursor;
  70 }
  71
  72
  73 /*
  74 Write the current player's score back to the score file
  75 */
  76 void FortyCanvas::UpdateScores()
  77 {
  78     if (m_player.Length() > 0 && m_scoreFile && m_game)
  79     {
  80         m_scoreFile->WritePlayersScore(
  81             m_player,
  82             m_game->GetNumWins(),
  83             m_game->GetNumGames(),
  84             m_game->GetScore()
  85         );
  86     }
  87 }
  88
  89
  90 void FortyCanvas::OnDraw(wxDC& dc)
  91 {
  92     dc.SetFont(* m_font);
  93     m_game->Redraw(dc);
  94 #if 0
  95     // if player name not set (and selection dialog is not displayed)
  96     // then ask the player for their name
  97     if (m_player.Length() == 0 && !m_playerDialog)
  98     {
  99         m_playerDialog = new PlayerSelectionDialog(this, m_scoreFile);
 100         m_playerDialog->ShowModal();
 101         m_player = m_playerDialog->GetPlayersName();
 102         if (m_player.Length() > 0)
 103         {
 104             // user entered a name - lookup their score
 105             int wins, games, score;
 106             m_scoreFile->ReadPlayersScore(m_player, wins, games, score);
 107             m_game->NewPlayer(wins, games, score);
 108             m_game->DisplayScore(dc);
 109             m_playerDialog->Destroy();
 110             m_playerDialog = 0;
 111             Refresh(false);
 112         }
 113         else
 114         {
 115             // user cancelled the dialog - exit the app
 116             ((wxFrame*)GetParent())->Close(true);
 117         }
 118     }
 119 #endif
 120 }
 121
 122 void FortyCanvas::ShowPlayerDialog()
 123 {
 124     // if player name not set (and selection dialog is not displayed)
 125     // then ask the player for their name
 126     if (m_player.Length() == 0 && !m_playerDialog)
 127     {
 128         m_playerDialog = new PlayerSelectionDialog(this, m_scoreFile);
 129         m_playerDialog->ShowModal();
 130         m_player = m_playerDialog->GetPlayersName();
 131         if (m_player.Length() > 0)
 132         {
 133             // user entered a name - lookup their score
 134             int wins, games, score;
 135             m_scoreFile->ReadPlayersScore(m_player, wins, games, score);
 136             m_game->NewPlayer(wins, games, score);
 137
 138             wxClientDC dc(this);
 139             dc.SetFont(* m_font);
 140             m_game->DisplayScore(dc);
 141             m_playerDialog->Destroy();
 142             m_playerDialog = 0;
 143             Refresh(false);
 144         }
 145         else
 146         {
 147             // user cancelled the dialog - exit the app
 148             ((wxFrame*)GetParent())->Close(true);
 149         }
 150     }
 151 }
 152
 153 /*
 154 Called when the main frame is closed
 155 */
 156 bool FortyCanvas::OnCloseCanvas()
 157 {
 158     if (m_game->InPlay() &&
 159         wxMessageBox(_T("Are you sure you want to\nabandon the current game?"),
 160             _T("Warning"), wxYES_NO | wxICON_QUESTION) == wxNO)
 161     {
 162         return false;
 163     }
 164     return true;
 165 }
 166
 167 void FortyCanvas::OnMouseEvent(wxMouseEvent& event)
 168 {
 169     int mouseX = (int)event.GetX();
 170     int mouseY = (int)event.GetY();
 171
 172     wxClientDC dc(this);
 173     PrepareDC(dc);
 174     dc.SetFont(* m_font);
 175
 176     if (event.LeftDClick())
 177     {
 178         if (m_leftBtnDown)
 179         {
 180             m_leftBtnDown = false;
 181             ReleaseMouse();
 182             m_game->LButtonUp(dc, mouseX, mouseY);
 183         }
 184         m_game->LButtonDblClk(dc, mouseX, mouseY);
 185     }
 186     else if (event.LeftDown())
 187     {
 188         if (!m_leftBtnDown)
 189         {
 190             m_leftBtnDown = true;
 191             CaptureMouse();
 192             m_game->LButtonDown(dc, mouseX, mouseY);
 193         }
 194     }
 195     else if (event.LeftUp())
 196     {
 197         if (m_leftBtnDown)
 198         {
 199             m_leftBtnDown = false;
 200             ReleaseMouse();
 201             m_game->LButtonUp(dc, mouseX, mouseY);
 202         }
 203     }
 204     else if (event.RightDown() && !event.LeftIsDown())
 205     {
 206         // only allow right button undo if m_rightBtnUndo is true
 207         if (m_rightBtnUndo)
 208         {
 209             if (event.ControlDown() || event.ShiftDown())
 210             {
 211                 m_game->Redo(dc);
 212             }
 213             else
 214             {
 215                 m_game->Undo(dc);
 216             }
 217         }
 218     }
 219     else if (event.Dragging())
 220     {
 221         m_game->MouseMove(dc, mouseX, mouseY);
 222     }
 223
 224     if (!event.LeftIsDown())
 225     {
 226         SetCursorStyle(mouseX, mouseY);
 227     }
 228 }
 229
 230 void FortyCanvas::SetCursorStyle(int x, int y)
 231 {
 232     // Only set cursor to a hand if 'helping hand' is enabled and
 233     // the card under the cursor can go somewhere
 234     if (m_game->CanYouGo(x, y) && m_helpingHand)
 235     {
 236         SetCursor(* m_handCursor);
 237     }
 238     else
 239     {
 240         SetCursor(* m_arrowCursor);
 241     }
 242
 243 }
 244
 245 void FortyCanvas::NewGame()
 246 {
 247     m_game->Deal();
 248     Refresh();
 249 }
 250
 251 void FortyCanvas::Undo()
 252 {
 253     wxClientDC dc(this);
 254     PrepareDC(dc);
 255     dc.SetFont(* m_font);
 256     m_game->Undo(dc);
 257 }
 258
 259 void FortyCanvas::Redo()
 260 {
 261     wxClientDC dc(this);
 262     PrepareDC(dc);
 263     dc.SetFont(* m_font);
 264     m_game->Redo(dc);
 265 }
 266
 267 void FortyCanvas::LayoutGame()
 268 {
 269        m_game->Layout();
 270 }