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