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, int x, int y, int w, int h) :
  42         wxScrolledWindow(parent, -1, wxPoint(x, y), wxSize(w, h)),
  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 = "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 }
  72
  73
  74 /*
  75 Write the current player's score back to the score file
  76 */
  77 void FortyCanvas::UpdateScores()
  78 {
  79         if (m_player.Length() > 0 && m_scoreFile && m_game)
  80         {
  81                 m_scoreFile->WritePlayersScore(
  82                                 m_player,
  83                                 m_game->GetNumWins(),
  84                                 m_game->GetNumGames(),
  85                                 m_game->GetScore()
  86                                 );
  87         }
  88 }
  89
  90
  91 void FortyCanvas::OnDraw(wxDC& dc)
  92 {
  93         dc.SetFont(* m_font);
  94         m_game->Redraw(dc);
  95 #if 0
  96         // if player name not set (and selection dialog is not displayed)
  97         // then ask the player for their name
  98         if (m_player.Length() == 0 && !m_playerDialog)
  99         {
 100                 m_playerDialog = new PlayerSelectionDialog(this, m_scoreFile);
 101                 m_playerDialog->ShowModal();
 102                 m_player = m_playerDialog->GetPlayersName();
 103                 if (m_player.Length() > 0)
 104                 {
 105                         // user entered a name - lookup their score
 106                         int wins, games, score;
 107                         m_scoreFile->ReadPlayersScore(m_player, wins, games, score);
 108                         m_game->NewPlayer(wins, games, score);
 109                         m_game->DisplayScore(dc);
 110                         m_playerDialog->Destroy();
 111                         m_playerDialog = 0;
 112                         Refresh(false);
 113                 }
 114                 else
 115                 {
 116                         // user cancelled the dialog - exit the app
 117                         ((wxFrame*)GetParent())->Close(TRUE);
 118                 }
 119         }
 120 #endif
 121 }
 122
 123 void FortyCanvas::ShowPlayerDialog()
 124 {
 125         // if player name not set (and selection dialog is not displayed)
 126         // then ask the player for their name
 127         if (m_player.Length() == 0 && !m_playerDialog)
 128         {
 129                 m_playerDialog = new PlayerSelectionDialog(this, m_scoreFile);
 130                 m_playerDialog->ShowModal();
 131                 m_player = m_playerDialog->GetPlayersName();
 132                 if (m_player.Length() > 0)
 133                 {
 134                         // user entered a name - lookup their score
 135                         int wins, games, score;
 136                         m_scoreFile->ReadPlayersScore(m_player, wins, games, score);
 137                         m_game->NewPlayer(wins, games, score);
 138
 139                         wxClientDC dc(this);
 140                         dc.SetFont(* m_font);
 141                         m_game->DisplayScore(dc);
 142                         m_playerDialog->Destroy();
 143                         m_playerDialog = 0;
 144                         Refresh(false);
 145                 }
 146                 else
 147                 {
 148                         // user cancelled the dialog - exit the app
 149                         ((wxFrame*)GetParent())->Close(TRUE);
 150                 }
 151         }
 152 }
 153
 154 /*
 155 Called when the main frame is closed
 156 */
 157 bool FortyCanvas::OnCloseCanvas()
 158 {
 159         if (m_game->InPlay() &&
 160                 wxMessageBox("Are you sure you want to\nabandon the current game?",
 161                         "Warning", wxYES_NO | wxICON_QUESTION) == wxNO)
 162         {
 163         return FALSE;
 164         }
 165         return TRUE;
 166 }
 167
 168 void FortyCanvas::OnMouseEvent(wxMouseEvent& event)
 169 {
 170         int mouseX = (int)event.GetX();
 171         int mouseY = (int)event.GetY();
 172
 173         wxClientDC dc(this);
 174         PrepareDC(dc);
 175         dc.SetFont(* m_font);
 176
 177         if (event.LeftDClick())
 178         {
 179                 if (m_leftBtnDown)
 180                 {
 181                         m_leftBtnDown = FALSE;
 182                         ReleaseMouse();
 183                         m_game->LButtonUp(dc, mouseX, mouseY);
 184                 }
 185                 m_game->LButtonDblClk(dc, mouseX, mouseY);
 186         }
 187         else if (event.LeftDown())
 188         {
 189                 if (!m_leftBtnDown)
 190                 {
 191                         m_leftBtnDown = TRUE;
 192                         CaptureMouse();
 193                         m_game->LButtonDown(dc, mouseX, mouseY);
 194                 }
 195         }
 196         else if (event.LeftUp())
 197         {
 198                 if (m_leftBtnDown)
 199                 {
 200                         m_leftBtnDown = FALSE;
 201                         ReleaseMouse();
 202                         m_game->LButtonUp(dc, mouseX, mouseY);
 203                 }
 204         }
 205         else if (event.RightDown() && !event.LeftIsDown())
 206         {
 207                 // only allow right button undo if m_rightBtnUndo is TRUE
 208                 if (m_rightBtnUndo)
 209                 {
 210                         if (event.ControlDown() || event.ShiftDown())
 211                         {
 212                                 m_game->Redo(dc);
 213                         }
 214                         else
 215                         {
 216                                 m_game->Undo(dc);
 217                         }
 218                 }
 219         }
 220         else if (event.Dragging())
 221         {
 222                 m_game->MouseMove(dc, mouseX, mouseY);
 223         }
 224
 225         if (!event.LeftIsDown())
 226         {
 227                 SetCursorStyle(mouseX, mouseY);
 228         }
 229 }
 230
 231 void FortyCanvas::SetCursorStyle(int x, int y)
 232 {
 233         // Only set cursor to a hand if 'helping hand' is enabled and
 234         // the card under the cursor can go somewhere
 235         if (m_game->CanYouGo(x, y) && m_helpingHand)
 236         {
 237                 SetCursor(* m_handCursor);
 238         }
 239         else
 240         {
 241                 SetCursor(* m_arrowCursor);
 242         }
 243
 244 }
 245
 246 void FortyCanvas::NewGame()
 247 {
 248         m_game->Deal();
 249         Refresh();
 250 }
 251
 252 void FortyCanvas::Undo()
 253 {
 254         wxClientDC dc(this);
 255         PrepareDC(dc);
 256         dc.SetFont(* m_font);
 257         m_game->Undo(dc);
 258 }
 259
 260 void FortyCanvas::Redo()
 261 {
 262         wxClientDC dc(this);
 263         PrepareDC(dc);
 264         dc.SetFont(* m_font);
 265         m_game->Redo(dc);
 266 }
 267
 268 void FortyCanvas::LayoutGame()
 269 {
 270        m_game->Layout();
 271 }