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suppress warning about unused win pointer when wxUSE_GRAPHICS_CONTEXT==0
[wxWidgets.git] / 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 }