wxWidgets/samples/forty/canvas.cpp
Julian Smart e306597309 Removed lots of OnClose functions; doc'ed OnCloseWindow better;
MM_... -> wxMM_...


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1615 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
1999-02-05 23:55:04 +00:00

255 lines
5.1 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: canvas.cpp
// Purpose: Forty Thieves patience game
// Author: Chris Breeze
// Modified by:
// Created: 21/07/97
// RCS-ID: $Id$
// Copyright: (c) 1993-1998 Chris Breeze
// Licence: wxWindows licence
//---------------------------------------------------------------------------
// Last modified: 22nd July 1998 - ported to wxWindows 2.0
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
#pragma implementation
#pragma interface
#endif
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
#include "forty.h"
#include "card.h"
#include "game.h"
#include "scorefil.h"
#include "playerdg.h"
#include "canvas.h"
BEGIN_EVENT_TABLE(FortyCanvas, wxScrolledWindow)
EVT_MOUSE_EVENTS(FortyCanvas::OnMouseEvent)
END_EVENT_TABLE()
FortyCanvas::FortyCanvas(wxWindow* parent, int x, int y, int w, int h) :
wxScrolledWindow(parent, -1, wxPoint(x, y), wxSize(w, h)),
m_helpingHand(TRUE),
m_rightBtnUndo(TRUE),
m_playerDialog(0),
m_leftBtnDown(FALSE)
{
#ifdef __WXGTK__
m_font = wxTheFontList->FindOrCreateFont(12, wxROMAN, wxNORMAL, wxNORMAL);
#else
m_font = wxTheFontList->FindOrCreateFont(10, wxSWISS, wxNORMAL, wxNORMAL);
#endif
SetBackgroundColour(FortyApp::BackgroundColour());
AllowDoubleClick(TRUE);
m_handCursor = new wxCursor(wxCURSOR_HAND);
m_arrowCursor = new wxCursor(wxCURSOR_ARROW);
wxString name = wxTheApp->GetAppName();
if (name.Length() <= 0) name = "forty";
m_scoreFile = new ScoreFile(name);
m_game = new Game(0, 0, 0);
m_game->Deal();
}
FortyCanvas::~FortyCanvas()
{
UpdateScores();
delete m_game;
delete m_scoreFile;
}
/*
Write the current player's score back to the score file
*/
void FortyCanvas::UpdateScores()
{
if (m_player.Length() > 0 && m_scoreFile && m_game)
{
m_scoreFile->WritePlayersScore(
m_player,
m_game->GetNumWins(),
m_game->GetNumGames(),
m_game->GetScore()
);
}
}
void FortyCanvas::OnDraw(wxDC& dc)
{
dc.SetFont(* m_font);
m_game->Redraw(dc);
// if player name not set (and selection dialog is not displayed)
// then ask the player for their name
if (m_player.Length() == 0 && !m_playerDialog)
{
m_playerDialog = new PlayerSelectionDialog(this, m_scoreFile);
m_playerDialog->ShowModal();
m_player = m_playerDialog->GetPlayersName();
if (m_player.Length() > 0)
{
// user entered a name - lookup their score
int wins, games, score;
m_scoreFile->ReadPlayersScore(m_player, wins, games, score);
m_game->NewPlayer(wins, games, score);
m_game->DisplayScore(dc);
delete m_playerDialog;
m_playerDialog = 0;
Refresh();
}
else
{
// user cancelled the dialog - exit the app
((wxFrame*)GetParent())->Close(TRUE);
}
}
}
/*
Called when the main frame is closed
*/
bool FortyCanvas::OnCloseCanvas()
{
if (m_game->InPlay() &&
wxMessageBox("Are you sure you want to\nabandon the current game?",
"Warning", wxYES_NO | wxICON_QUESTION) == wxNO)
{
return FALSE;
}
return TRUE;
}
void FortyCanvas::OnMouseEvent(wxMouseEvent& event)
{
int mouseX = (int)event.GetX();
int mouseY = (int)event.GetY();
wxClientDC dc(this);
PrepareDC(dc);
dc.SetFont(* m_font);
if (event.LeftDClick())
{
if (m_leftBtnDown)
{
m_leftBtnDown = FALSE;
ReleaseMouse();
m_game->LButtonUp(dc, mouseX, mouseY);
}
m_game->LButtonDblClk(dc, mouseX, mouseY);
}
else if (event.LeftDown())
{
if (!m_leftBtnDown)
{
m_leftBtnDown = TRUE;
CaptureMouse();
m_game->LButtonDown(dc, mouseX, mouseY);
}
}
else if (event.LeftUp())
{
if (m_leftBtnDown)
{
m_leftBtnDown = FALSE;
ReleaseMouse();
m_game->LButtonUp(dc, mouseX, mouseY);
}
}
else if (event.RightDown() && !event.LeftIsDown())
{
// only allow right button undo if m_rightBtnUndo is TRUE
if (m_rightBtnUndo)
{
if (event.ControlDown() || event.ShiftDown())
{
m_game->Redo(dc);
}
else
{
m_game->Undo(dc);
}
}
}
else if (event.Dragging())
{
m_game->MouseMove(dc, mouseX, mouseY);
}
if (!event.LeftIsDown())
{
SetCursorStyle(mouseX, mouseY);
}
}
void FortyCanvas::SetCursorStyle(int x, int y)
{
if (m_game->HaveYouWon())
{
if (wxMessageBox("Do you wish to play again?",
"Well Done, You have won!", wxYES_NO | wxICON_QUESTION) == wxYES)
{
m_game->Deal();
wxClientDC dc(this);
PrepareDC(dc);
dc.SetFont(* m_font);
m_game->Redraw(dc);
}
else
{
// user cancelled the dialog - exit the app
((wxFrame*)GetParent())->Close(TRUE);
}
}
// Only set cursor to a hand if 'helping hand' is enabled and
// the card under the cursor can go somewhere
if (m_game->CanYouGo(x, y) && m_helpingHand)
{
SetCursor(* m_handCursor);
}
else
{
SetCursor(* m_arrowCursor);
}
}
void FortyCanvas::NewGame()
{
m_game->Deal();
Refresh();
}
void FortyCanvas::Undo()
{
wxClientDC dc(this);
PrepareDC(dc);
dc.SetFont(* m_font);
m_game->Undo(dc);
}
void FortyCanvas::Redo()
{
wxClientDC dc(this);
PrepareDC(dc);
dc.SetFont(* m_font);
m_game->Redo(dc);
}