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 // Copyright:   (c) 1993-1998 Chris Breeze
   8 // Licence:     wxWindows licence
   9 //---------------------------------------------------------------------------
  10 // Last modified: 22nd July 1998 - ported to wxWidgets 2.0
  11 /////////////////////////////////////////////////////////////////////////////
  12
  13 // For compilers that support precompilation, includes "wx/wx.h".
  14 #include "wx/wxprec.h"
  15
  16 #ifdef __BORLANDC__
  17 #pragma hdrstop
  18 #endif
  19
  20 #ifndef WX_PRECOMP
  21 #include "wx/wx.h"
  22 #endif
  23
  24 #include "forty.h"
  25 #include "card.h"
  26 #include "game.h"
  27 #include "scorefil.h"
  28 #include "playerdg.h"
  29 #include "canvas.h"
  30
  31 BEGIN_EVENT_TABLE(FortyCanvas, wxScrolledWindow)
  32     EVT_MOUSE_EVENTS(FortyCanvas::OnMouseEvent)
  33 END_EVENT_TABLE()
  34
  35 FortyCanvas::FortyCanvas(wxWindow* parent, const wxPoint& pos, const wxSize& size) :
  36              wxScrolledWindow(parent, wxID_ANY, pos, size, 0),
  37              m_helpingHand(true),
  38              m_rightBtnUndo(true),
  39              m_playerDialog(0),
  40              m_leftBtnDown(false)
  41 {
  42     SetScrollbars(0, 0, 0, 0);
  43
  44 #ifdef __WXGTK__
  45     m_font = wxTheFontList->FindOrCreateFont(12, wxROMAN, wxNORMAL, wxNORMAL);
  46 #else
  47     m_font = wxTheFontList->FindOrCreateFont(10, wxSWISS, wxNORMAL, wxNORMAL);
  48 #endif
  49     SetBackgroundColour(FortyApp::BackgroundColour());
  50
  51     m_handCursor = new wxCursor(wxCURSOR_HAND);
  52     m_arrowCursor = new wxCursor(wxCURSOR_ARROW);
  53
  54     wxString name = wxTheApp->GetAppName();
  55     if ( name.empty() ) name = wxT("forty");
  56     m_scoreFile = new ScoreFile(name);
  57     m_game = new Game(0, 0, 0);
  58     m_game->Deal();
  59 }
  60
  61
  62 FortyCanvas::~FortyCanvas()
  63 {
  64     UpdateScores();
  65     delete m_game;
  66     delete m_scoreFile;
  67     delete m_handCursor;
  68     delete m_arrowCursor;
  69 }
  70
  71
  72 /*
  73 Write the current player's score back to the score file
  74 */
  75 void FortyCanvas::UpdateScores()
  76 {
  77     if (!m_player.empty() && m_scoreFile && m_game)
  78     {
  79         m_scoreFile->WritePlayersScore(
  80             m_player,
  81             m_game->GetNumWins(),
  82             m_game->GetNumGames(),
  83             m_game->GetScore()
  84         );
  85     }
  86 }
  87
  88
  89 void FortyCanvas::OnDraw(wxDC& dc)
  90 {
  91     dc.SetFont(* m_font);
  92     m_game->Redraw(dc);
  93 #if 0
  94     // if player name not set (and selection dialog is not displayed)
  95     // then ask the player for their name
  96     if (m_player.empty() && !m_playerDialog)
  97     {
  98         m_playerDialog = new PlayerSelectionDialog(this, m_scoreFile);
  99         m_playerDialog->ShowModal();
 100         m_player = m_playerDialog->GetPlayersName();
 101         if ( !m_player.empty() )
 102         {
 103             // user entered a name - lookup their score
 104             int wins, games, score;
 105             m_scoreFile->ReadPlayersScore(m_player, wins, games, score);
 106             m_game->NewPlayer(wins, games, score);
 107             m_game->DisplayScore(dc);
 108             m_playerDialog->Destroy();
 109             m_playerDialog = 0;
 110             Refresh(false);
 111         }
 112         else
 113         {
 114             // user cancelled the dialog - exit the app
 115             ((wxFrame*)GetParent())->Close(true);
 116         }
 117     }
 118 #endif
 119 }
 120
 121 void FortyCanvas::ShowPlayerDialog()
 122 {
 123     // if player name not set (and selection dialog is not displayed)
 124     // then ask the player for their name
 125     if (m_player.empty() && !m_playerDialog)
 126     {
 127         m_playerDialog = new PlayerSelectionDialog(this, m_scoreFile);
 128         m_playerDialog->ShowModal();
 129         m_player = m_playerDialog->GetPlayersName();
 130         if ( !m_player.empty() )
 131         {
 132             // user entered a name - lookup their score
 133             int wins, games, score;
 134             m_scoreFile->ReadPlayersScore(m_player, wins, games, score);
 135             m_game->NewPlayer(wins, games, score);
 136
 137             wxClientDC dc(this);
 138             dc.SetFont(* m_font);
 139             m_game->DisplayScore(dc);
 140             m_playerDialog->Destroy();
 141             m_playerDialog = 0;
 142             Refresh(false);
 143         }
 144         else
 145         {
 146             // user cancelled the dialog - exit the app
 147             ((wxFrame*)GetParent())->Close(true);
 148         }
 149     }
 150 }
 151
 152 /*
 153 Called when the main frame is closed
 154 */
 155 bool FortyCanvas::OnCloseCanvas()
 156 {
 157     if (m_game->InPlay() &&
 158         wxMessageBox(wxT("Are you sure you want to\nabandon the current game?"),
 159             wxT("Warning"), wxYES_NO | wxICON_QUESTION) == wxNO)
 160     {
 161         return false;
 162     }
 163     return true;
 164 }
 165
 166 void FortyCanvas::OnMouseEvent(wxMouseEvent& event)
 167 {
 168     int mouseX = (int)event.GetX();
 169     int mouseY = (int)event.GetY();
 170
 171     wxClientDC dc(this);
 172     PrepareDC(dc);
 173     dc.SetFont(* m_font);
 174
 175     if (event.LeftDClick())
 176     {
 177         if (m_leftBtnDown)
 178         {
 179             m_leftBtnDown = false;
 180             ReleaseMouse();
 181             m_game->LButtonUp(dc, mouseX, mouseY);
 182         }
 183         m_game->LButtonDblClk(dc, mouseX, mouseY);
 184     }
 185     else if (event.LeftDown())
 186     {
 187         if (!m_leftBtnDown)
 188         {
 189             m_leftBtnDown = true;
 190             CaptureMouse();
 191             m_game->LButtonDown(dc, mouseX, mouseY);
 192         }
 193     }
 194     else if (event.LeftUp())
 195     {
 196         if (m_leftBtnDown)
 197         {
 198             m_leftBtnDown = false;
 199             ReleaseMouse();
 200             m_game->LButtonUp(dc, mouseX, mouseY);
 201         }
 202     }
 203     else if (event.RightDown() && !event.LeftIsDown())
 204     {
 205         // only allow right button undo if m_rightBtnUndo is true
 206         if (m_rightBtnUndo)
 207         {
 208             if (event.ControlDown() || event.ShiftDown())
 209             {
 210                 m_game->Redo(dc);
 211             }
 212             else
 213             {
 214                 m_game->Undo(dc);
 215             }
 216         }
 217     }
 218     else if (event.Dragging())
 219     {
 220         m_game->MouseMove(dc, mouseX, mouseY);
 221     }
 222
 223     if (!event.LeftIsDown())
 224     {
 225         SetCursorStyle(mouseX, mouseY);
 226     }
 227 }
 228
 229 void FortyCanvas::SetCursorStyle(int x, int y)
 230 {
 231     // Only set cursor to a hand if 'helping hand' is enabled and
 232     // the card under the cursor can go somewhere
 233     if (m_game->CanYouGo(x, y) && m_helpingHand)
 234     {
 235         SetCursor(* m_handCursor);
 236     }
 237     else
 238     {
 239         SetCursor(* m_arrowCursor);
 240     }
 241
 242 }
 243
 244 void FortyCanvas::NewGame()
 245 {
 246     m_game->Deal();
 247     Refresh();
 248 }
 249
 250 void FortyCanvas::Undo()
 251 {
 252     wxClientDC dc(this);
 253     PrepareDC(dc);
 254     dc.SetFont(* m_font);
 255     m_game->Undo(dc);
 256 }
 257
 258 void FortyCanvas::Redo()
 259 {
 260     wxClientDC dc(this);
 261     PrepareDC(dc);
 262     dc.SetFont(* m_font);
 263     m_game->Redo(dc);
 264 }
 265
 266 void FortyCanvas::LayoutGame()
 267 {
 268        m_game->Layout();
 269 }