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 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, 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 }