source: trunk/OpenYahtzee/src/MainFrame.cpp @ 87

// $Header$
/***************************************************************************
 *   Copyright (C) 2006 by Guy Rutenberg   *
 *   guyrutenberg@gmail.com   *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/

 /***********************************************
 *      This File contains the definitions      *
 *      of MainFrame's functions                *
 ***********************************************/

// #define DEBUG

#include <wx/wx.h>

#include "MainFrame.h"
#include "wxDynamicBitmap.h"
#include "ObjectsID.h"
#include "HighScoreDialog.h"
#include "SettingsDialog.h"
#include "About.h"
#include "UtilityFunctions.h"
#include <iostream>
#include <sstream>
#include <cstdlib>
#include <wx/version.h>

//include the images for the dice
#include "one.xpm"
#include "two.xpm"
#include "three.xpm"
#include "four.xpm"
#include "five.xpm"
#include "six.xpm"

//include the icon file
#include "Icon.h"

//default values
#define SPACE_SIZE 1
#define DEF_HIGHSCORESIZE 20
#define OY_VERSION "1.7.0"

DEFINE_EVENT_TYPE(wxEVT_ENABLE_ROLL)


MainFrame::MainFrame(const wxString& title, const wxSize& size = wxDefaultSize, long style = wxDEFAULT_FRAME_STYLE)
        : wxFrame(NULL, wxID_ANY, title, wxDefaultPosition, size, style)
{
        //give the frame an icon
        SetIcon(wxIcon(ICON));


        std::ostringstream sstr;

        m_settingsdb = new SettingsDB(); //Get the settings database connection
        m_highscoredb = new HighScoreTableDB();
        
        InitializeDatabase();//this must come _after_ m_settingsdb and m_highscoredb are created

        bitmap_dices[0] = new wxBitmap(one_xpm);
        bitmap_dices[1] = new wxBitmap(two_xpm);
        bitmap_dices[2] = new wxBitmap(three_xpm);
        bitmap_dices[3] = new wxBitmap(four_xpm);
        bitmap_dices[4] = new wxBitmap(five_xpm);
        bitmap_dices[5] = new wxBitmap(six_xpm);
        
        //randomize the random-number generator based on the time
        srand( (unsigned)time( NULL ) );


        /*****Create and initialize the menu bar******/

        /*Create the menus*/
        wxMenu *gameMenu = new wxMenu;  //create File menu
        wxMenu *helpMenu = new wxMenu;  //create Help menu
        
        
        //insert menu items into menu Help
        helpMenu->Append(ID_CHECK_FOR_UPDATES, wxT("&Check for Updates"),
                        wxT("Check for new version of the game via the web"));
        helpMenu->AppendSeparator();
        helpMenu->Append(ID_SENDCOMMENT, wxT("&Send a Comment to Developers"),
                        wxT("Send a comment to the developers of the game"));
        helpMenu->AppendSeparator();
        helpMenu->Append(wxID_ABOUT, wxT("&About...\tF1"),
                        wxT("Show about dialog"));

        //insert menu items into menu File
        gameMenu->Append(ID_NEWGAME,wxT("&New Game\tF2"),wxT("Start a new game"));
        //create the undo button and make it disabled
        gameMenu->Append(ID_UNDO,wxT("&Undo\tCTRL+Z"),wxT("Undo the last move"));
        gameMenu->Append(ID_SHOWHIGHSCORE,wxT("High &Scores"),wxT("Show high-scores table"));
        gameMenu->Append(ID_SETTINGS,wxT("Settings"),wxT("Show settings dialog"));
        gameMenu->Append(wxID_EXIT, wxT("E&xit\tAlt-X"),
                        wxT("Quit this program"));
        
        // Declare the menu-bar and append the freshly created menus to the menu bar...
        wxMenuBar *menuBar = new wxMenuBar();
        menuBar->Append(gameMenu, wxT("&Game"));
        menuBar->Append(helpMenu, wxT("&Help"));
        
        // ... and attach this menu bar to the frame
        SetMenuBar(menuBar);
        
        /***End menu-bar ***/
        wxPanel* panel = new wxPanel(this, ID_PANEL,
                wxDefaultPosition, wxDefaultSize);
        m_horizontallayout = 0; //TODO remove this line
        wxBoxSizer *topSizer;
        wxBoxSizer *sectionsSizer;
        wxFlexGridSizer *diceSizer;
        if (m_horizontallayout) {
                topSizer = new wxBoxSizer( wxVERTICAL );
                sectionsSizer = new wxBoxSizer( wxHORIZONTAL );
                diceSizer = new wxFlexGridSizer(2, 0, 0, 0);
        } else {
                topSizer = new wxBoxSizer( wxHORIZONTAL );
                sectionsSizer = new wxBoxSizer( wxVERTICAL );
                diceSizer = new wxFlexGridSizer(1, 0, 0);;
        }

        wxSizer *uppersection = new wxStaticBoxSizer( new wxStaticBox( panel, wxID_ANY, wxT("Upper Section") ), wxVERTICAL);
        wxSizer *lowersection = new wxStaticBoxSizer( new wxStaticBox( panel, wxID_ANY, wxT("Lower Section") ), wxVERTICAL);
        
        wxFlexGridSizer* uppergrid = new wxFlexGridSizer(2, 0, 10);
        wxFlexGridSizer* lowergrid = new wxFlexGridSizer(2, 0, 10);

        //BEGIN layout for the upper section of the score board
        uppergrid->Add(new wxButton(panel,ID_ACES,wxT("Aces")),0,wxALL,SPACE_SIZE);
        uppergrid->Add(new wxTextCtrl(panel, ID_ACESTEXT),1,wxALL,SPACE_SIZE);
        uppergrid->Add(new wxButton(panel,ID_TWOS,wxT("Twos")),0,wxALL,SPACE_SIZE);
        uppergrid->Add(new wxTextCtrl(panel, ID_TWOSTEXT),1,wxALL,SPACE_SIZE);
        uppergrid->Add(new wxButton(panel,ID_THREES,wxT("Threes")),0,wxALL,SPACE_SIZE);
        uppergrid->Add(new wxTextCtrl(panel, ID_THREESTEXT),1,wxALL,SPACE_SIZE);
        uppergrid->Add(new wxButton(panel,ID_FOURS,wxT("Fours")),0,wxALL,SPACE_SIZE);
        uppergrid->Add(new wxTextCtrl(panel, ID_FOURSTEXT),1,wxALL,SPACE_SIZE);
        uppergrid->Add(new wxButton(panel,ID_FIVES,wxT("Fives")),0,wxALL,SPACE_SIZE);
        uppergrid->Add(new wxTextCtrl(panel, ID_FIVESTEXT),1,wxALL,SPACE_SIZE);
        uppergrid->Add(new wxButton(panel,ID_SIXES,wxT("Sixes")),0,wxALL,SPACE_SIZE);
        uppergrid->Add(new wxTextCtrl(panel, ID_SIXESTEXT),1,wxALL,SPACE_SIZE);
        uppergrid->Add(new wxStaticText(panel, wxID_ANY, wxT("Total score:")),0,wxALL,SPACE_SIZE);
        uppergrid->Add(new wxTextCtrl(panel, ID_UPPERSECTIONTOTAL),1,wxALL,SPACE_SIZE);
        uppergrid->Add(new wxStaticText(panel, wxID_ANY, wxT("Bonus:")),0,wxALL,SPACE_SIZE);
        uppergrid->Add(new wxTextCtrl(panel, ID_BONUS),1,wxALL,SPACE_SIZE);
        uppergrid->Add(new wxStaticText(panel, wxID_ANY, wxT("Total of upper section:")),0,wxALL,SPACE_SIZE);
        uppergrid->Add(new wxTextCtrl(panel, ID_UPPERTOTAL),1,wxALL,SPACE_SIZE);
        //END layout for the upper section of the score board

        //BEGIN layout for the lower section of the score board
        lowergrid->Add(new wxButton(panel,ID_THREEOFAKIND,wxT("3 of a kind")),0,wxALL,SPACE_SIZE);
        lowergrid->Add(new wxTextCtrl(panel, ID_THREEOFAKINDTEXT),1,wxALL,SPACE_SIZE);
        lowergrid->Add(new wxButton(panel,ID_FOUROFAKIND,wxT("4 of a kind")),0,wxALL,SPACE_SIZE);
        lowergrid->Add(new wxTextCtrl(panel, ID_FOUROFAKINDTEXT),1,wxALL,SPACE_SIZE);
        lowergrid->Add(new wxButton(panel,ID_FULLHOUSE,wxT("Full House")),0,wxALL,SPACE_SIZE);
        lowergrid->Add(new wxTextCtrl(panel, ID_FULLHOUSETEXT),1,wxALL,SPACE_SIZE);
        lowergrid->Add(new wxButton(panel,ID_SMALLSEQUENCE,wxT("Sequence of 4")),0,wxALL,SPACE_SIZE);
        lowergrid->Add(new wxTextCtrl(panel, ID_SMALLSEQUENCETEXT),1,wxALL,SPACE_SIZE);
        lowergrid->Add(new wxButton(panel,ID_LARGESEQUENCE,wxT("Sequence of 5")),0,wxALL,SPACE_SIZE);
        lowergrid->Add(new wxTextCtrl(panel, ID_LARGESEQUENCETEXT),1,wxALL,SPACE_SIZE);
        lowergrid->Add(new wxButton(panel,ID_YAHTZEE,wxT("Yahtzee")),0,wxALL,SPACE_SIZE);
        lowergrid->Add(new wxTextCtrl(panel, ID_YAHTZEETEXT),1,wxALL,SPACE_SIZE);
        lowergrid->Add(new wxButton(panel,ID_CHANCE,wxT("Chance")),0,wxALL,SPACE_SIZE);
        lowergrid->Add(new wxTextCtrl(panel, ID_CHANCETEXT),1,wxALL,SPACE_SIZE);
        lowergrid->Add(new wxStaticText(panel, wxID_ANY, wxT("Yahtzee Bonus")),0,wxALL,SPACE_SIZE);
        lowergrid->Add(new wxTextCtrl(panel, ID_YAHTZEEBONUSTEXT),1,wxALL,SPACE_SIZE);
        lowergrid->Add(new wxStaticText(panel, wxID_ANY, wxT("Total of lower section:")),0,wxALL,SPACE_SIZE);
        lowergrid->Add(new wxTextCtrl(panel, ID_LOWERTOTAL),1,wxALL,SPACE_SIZE);
        lowergrid->Add(new wxStaticText(panel, wxID_ANY, wxT("Grand Total:")),0,wxALL,SPACE_SIZE);
        lowergrid->Add(new wxTextCtrl(panel, ID_GRANDTOTAL),1,wxALL,SPACE_SIZE);
        //END layout for the lower section of the score board

        uppersection->Add(uppergrid);
        lowersection->Add(lowergrid);
        sectionsSizer->Add(uppersection,0,wxALL,5);
        sectionsSizer->Add(lowersection,0,wxALL,5);

        //BEGIN layout for the dice section of the score board
        if (m_horizontallayout) {
                diceSizer->Add(new wxDynamicBitmap(panel,ID_DICE1,*bitmap_dices[0]),0,wxALL,3);
                diceSizer->Add(new wxDynamicBitmap(panel,ID_DICE2,*bitmap_dices[1]),0,wxALL,3);
                diceSizer->Add(new wxDynamicBitmap(panel,ID_DICE3,*bitmap_dices[2]),0,wxALL,3);
                diceSizer->Add(new wxDynamicBitmap(panel,ID_DICE4,*bitmap_dices[3]),0,wxALL,3);
                diceSizer->Add(new wxDynamicBitmap(panel,ID_DICE5,*bitmap_dices[4]),0,wxALL,3);
                diceSizer->Add(new wxButton(panel, ID_ROLL, wxT("Roll!"),wxDefaultPosition,wxSize(64,64)),0,wxALL,3);
                diceSizer->Add(new wxCheckBox(panel, ID_DICE1KEEP, wxT("Keep")),0,wxBOTTOM,10);
                diceSizer->Add(new wxCheckBox(panel, ID_DICE2KEEP, wxT("Keep")),0,wxBOTTOM,10);
                diceSizer->Add(new wxCheckBox(panel, ID_DICE3KEEP, wxT("Keep")),0,wxBOTTOM,10);
                diceSizer->Add(new wxCheckBox(panel, ID_DICE4KEEP, wxT("Keep")),0,wxBOTTOM,10);
                diceSizer->Add(new wxCheckBox(panel, ID_DICE5KEEP, wxT("Keep")),0,wxBOTTOM,10);
        } else {
                diceSizer->Add(new wxDynamicBitmap(panel,ID_DICE1,*bitmap_dices[0]),0,wxALL,3);
                diceSizer->Add(new wxCheckBox(panel, ID_DICE1KEEP, wxT("Keep")),0,wxBOTTOM,10);
                diceSizer->Add(new wxDynamicBitmap(panel,ID_DICE2,*bitmap_dices[1]),0,wxALL,3);
                diceSizer->Add(new wxCheckBox(panel, ID_DICE2KEEP, wxT("Keep")),0,wxBOTTOM,10);
                diceSizer->Add(new wxDynamicBitmap(panel,ID_DICE3,*bitmap_dices[2]),0,wxALL,3);
                diceSizer->Add(new wxCheckBox(panel, ID_DICE3KEEP, wxT("Keep")),0,wxBOTTOM,10);
                diceSizer->Add(new wxDynamicBitmap(panel,ID_DICE4,*bitmap_dices[3]),0,wxALL,3);
                diceSizer->Add(new wxCheckBox(panel, ID_DICE4KEEP, wxT("Keep")),0,wxBOTTOM,10);
                diceSizer->Add(new wxDynamicBitmap(panel,ID_DICE5,*bitmap_dices[4]),0,wxALL,3);
                diceSizer->Add(new wxCheckBox(panel, ID_DICE5KEEP, wxT("Keep")),0,wxBOTTOM,10);
                diceSizer->Add(new wxButton(panel, ID_ROLL, wxT("Roll!"),wxDefaultPosition,wxSize(64,64)),0,wxALL,3);
        }
        //END layout for the dice section of the score board *******/

        
        topSizer->Add(sectionsSizer);
        topSizer->Add(diceSizer);       

        panel->SetSizer(topSizer);
        
        topSizer->Fit(this);
        topSizer->SetSizeHints(this);
        
        //make the text boxes uneditable to the user    
        wxTextCtrl *textctrl;
        for(int i = ID_ACESTEXT;i<=ID_GRANDTOTAL;i++) {
                textctrl = (wxTextCtrl*) FindWindow(i);
                textctrl->SetEditable(false);
        }
        
        //disable the undo button
        (GetMenuBar()->FindItem(ID_UNDO))->Enable(false);


        

        /***************************************/
        /********* Declare Event Table *********/
        /***************************************/
        
        //BEGIN connecting the menu items' events
        Connect(wxID_EXIT, wxEVT_COMMAND_MENU_SELECTED, wxCommandEventHandler(MainFrame::OnQuit));
        Connect(wxID_ABOUT, wxEVT_COMMAND_MENU_SELECTED, wxCommandEventHandler(MainFrame::OnAbout));
        Connect(ID_CHECK_FOR_UPDATES, wxEVT_COMMAND_MENU_SELECTED, wxCommandEventHandler(MainFrame::OnCheckForUpdates));
        Connect(ID_SENDCOMMENT, wxEVT_COMMAND_MENU_SELECTED, wxCommandEventHandler(MainFrame::OnSendComment));
        Connect(ID_NEWGAME, wxEVT_COMMAND_MENU_SELECTED, wxCommandEventHandler(MainFrame::OnNewGame));
        Connect(ID_UNDO, wxEVT_COMMAND_MENU_SELECTED, wxCommandEventHandler(MainFrame::OnUndo));
        Connect(ID_SHOWHIGHSCORE, wxEVT_COMMAND_MENU_SELECTED, wxCommandEventHandler(MainFrame::OnShowHighscore));
        Connect(ID_SETTINGS, wxEVT_COMMAND_MENU_SELECTED, wxCommandEventHandler(MainFrame::OnSettings));
        //END connecting the menu items' events

        Connect(ID_ROLL, wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler (MainFrame::OnRollButton));
        Connect(ID_ROLL, wxEVT_ENABLE_ROLL, wxCommandEventHandler (MainFrame::OnRollButton));

        //BEGIN connecting the scoreboard buttons to the events
        Connect(ID_ACES,ID_SIXES, wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler (MainFrame::OnUpperButtons));
        Connect(ID_THREEOFAKIND, wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler (MainFrame::On3ofakindButton));
        Connect(ID_FOUROFAKIND, wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler (MainFrame::On4ofakindButton));
        Connect(ID_FULLHOUSE, wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler (MainFrame::OnFullHouseButton));
        Connect(ID_SMALLSEQUENCE, wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler (MainFrame::OnSmallSequenceButton));
        Connect(ID_LARGESEQUENCE, wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler (MainFrame::OnLargeSequenceButton));
        Connect(ID_YAHTZEE, wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler (MainFrame::OnYahtzeeButton));
        Connect(ID_CHANCE, wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler (MainFrame::OnChanceButton));
        Connect(ID_DICE1,ID_DICE5, wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler (MainFrame::OnDiceClick));
        Connect(ID_DICE1KEEP,ID_DICE5KEEP, wxEVT_COMMAND_CHECKBOX_CLICKED, wxCommandEventHandler (MainFrame::OnKeepClick));
        //END connecting the scoreboard buttons to the event

        /*** End of Event Table ***/

        ResetRolls();
        ClearDiceHash();
        m_yahtzee = false;
        m_yahtzeebonus = false;
        m_numofplaysleft = 13;

 }

/*********EVENT PROCCESSING FUNCTIONS********/


void MainFrame::OnAbout(wxCommandEvent& event)
{
        AboutDialog *about = new AboutDialog(this,wxID_ANY,wxT("About Open Yahtzee"));
        about->ShowModal();
}

/**
 * Connects to the Open Yahtzee website on sourceforge.net and checks for 
 * updates to the game.
 * \param event 
 */
void MainFrame::OnCheckForUpdates (wxCommandEvent& event)
{
        
        wxString link = wxT("http://openyahtzee.sourceforge.net/update.php?version=");
        
        link += wxT(OY_VERSION);

        LaunchBrowser(link);
}


/**
 * Starts up the user browser and connects to the Open Yahtzee website's
 * feedback page.
 * \param event 
 */
void MainFrame::OnSendComment (wxCommandEvent& event)
{
        wxString link = wxT("http://openyahtzee.sourceforge.net/feedback.php");
        
        LaunchBrowser(link);
}

void MainFrame::OnQuit(wxCommandEvent& event)
{
        // Destroy the frame
        Close();
}

/**
 * This is the event handler of the New Game menu item. It starts a new 
 * game and clears the board from the last game.
 * \param event 
 */
void MainFrame::OnNewGame(wxCommandEvent& event)
{
        //disable the undo button so it won't be enabled when a new game is started.
        (GetMenuBar()->FindItem(ID_UNDO))->Enable(false);
        
        ResetRolls();
        ClearDiceHash();
        m_yahtzee = false;
        m_numofplaysleft = 13;
        
        for (int i = ID_ACESTEXT; i<= ID_GRANDTOTAL; i++)
                ((wxTextCtrl*) FindWindow(i))->Clear();
        for (int i = ID_ACES; i<= ID_CHANCE; i++)
                ((wxButton*) FindWindow(i))->Enable(true);
}

/**
 * This function handles the undo events. It's connected to the Undo menu item.
 *
 * Note that the function only allows undoing of scoring actions and not dice
 * rolls. Also it won't allow the undoing of the last move of the game because
 * of a technical problem relating to the case an high-score was made and then
 * the user undo the last move and rescore another high-score and so on.
 * \param event 
 */
void MainFrame::OnUndo(wxCommandEvent& event)
{
        m_rolls = m_rollsundo;

        //after the user scored the button was enabled, check if it should be disabled
        if (m_rolls <= 0) //we don't have remaining rolls 
                ((wxButton*) FindWindow(ID_ROLL)) -> Enable(false);

        //restore the 'keep' checkboxes
        for (int i=0; i<5; i++)
                ((wxCheckBox*) FindWindow(i + ID_DICE1KEEP)) -> Enable(true);
        
        //reset the users last choice
        FindWindow(m_lastmove)->Enable(true);

        //clear the score;
        ((wxTextCtrl*)FindWindow(ID_ACESTEXT + (m_lastmove - ID_ACES)))->SetValue(wxT(""));

        //undo also the yahtzee bonus if needed
        if (m_yahtzeebonus) {
                long temp;
                wxString tempstr;
        
                tempstr = ((wxTextCtrl*) FindWindow(ID_YAHTZEEBONUSTEXT)) -> GetValue();
                tempstr.ToLong(&temp,10);
                temp -= 100; //this line reduces the points given for the yahtzee bonus
                tempstr.Printf(wxT("%i"),temp);
                ((wxTextCtrl*) FindWindow(ID_YAHTZEEBONUSTEXT)) -> SetValue(tempstr);
        }

        //recalculate the subtotals
        CalculateSubTotal();

        (GetMenuBar()->FindItem(ID_UNDO))->Enable(false);
        //cancel the counting for the choice that was canceled
        m_numofplaysleft++;
}

/**
 * This function enables the undo button and stores the last move
 * \param id 
 */
inline void MainFrame::EnableUndo(int id)
{
        if (m_numofplaysleft) {
                (GetMenuBar()->FindItem(ID_UNDO))->Enable(true);
                m_lastmove = id;
        }
}

/**
 * Shows the high-score dialog. Connected to the Game->"Show High Score" menu item.
 * \param event 
 */
void MainFrame::OnShowHighscore(wxCommandEvent& event)
{
        HighScoreDialog *dialog = new HighScoreDialog(this,wxID_ANY,m_highscoredb);
        dialog->ShowModal();
}

/**
 * Shows the settings dialog. This event-handler is connected to Game->Settings
 * menu item.
 * \param event 
 */
void MainFrame::OnSettings( wxCommandEvent& event)
{
        SettingsDialog *dialog = new SettingsDialog(this,wxID_ANY);
        SettingsDialogData data;
        std::ostringstream sstr;
        
        data.highscoresize = m_highscoredb->GetSize();

        data.animate = (m_settingsdb->GetKey("animate")=="Yes")?true:false;
        data.subtotal = (m_settingsdb->GetKey("calculatesubtotal")=="Yes")?true:false;
        
        dialog->SetData(data);
        if(dialog->ShowModal()==wxID_OK) { //user saved Changes
                data = dialog->GetData();

                if(data.reset)
                        m_highscoredb->SetSize(0);
                
                sstr<<data.highscoresize<<std::flush;
                m_settingsdb->SetKey("highscoresize",sstr.str());
                                
                m_highscoredb->SetSize(data.highscoresize);
                
                if (data.animate){
                        m_settingsdb->SetKey("animate","Yes");
                        m_animate = true;
                        
                } else {
                        m_settingsdb->SetKey("animate","No");
                        m_animate = false;
                }
                if (data.subtotal){
                        m_settingsdb->SetKey("calculatesubtotal","Yes");
                        m_calculatesubtotal = true;
                        
                } else {
                        m_settingsdb->SetKey("calculatesubtotal","No");
                        m_calculatesubtotal = false;
                }

        }
}

/**
 * Event handler for the Roll button. It checks the settings if it should
 * animate the dice and then rolls them accordingly. It also checks for the
 * status of the "keep" checkboxes.
 * \param event 
 */
void MainFrame::OnRollButton (wxCommandEvent& event)
{
        if (event.GetEventType() == wxEVT_ENABLE_ROLL) {
                //here we reconnect the event handler. We should recieve this event only after 
                //the dice stopped rolling and all other click events where skipped.
                Connect(ID_ROLL, wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler (MainFrame::OnRollButton));
                return;
        }
        //Disconnect the button so we won't recieve new events untill we finish rolling the dice.
        Disconnect(ID_ROLL, wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler (MainFrame::OnRollButton));

        //roll the dice...
        if (m_animate) {
                int dice_throws[5] = {0,0,0,0,0};
                for (int i=0; i<5; i++) { //set the number of rolls for each dice
                        if (!((wxCheckBox*) FindWindow(i + ID_DICE1KEEP))->IsChecked()) {
                                dice_throws[i] = (rand()%15)+3; //ensures the number is at least one.
                        }
                }
                while (dice_throws[0] || dice_throws[1] || dice_throws[2] || dice_throws[3] || dice_throws[4]) {
                        for (int i=0 ; i<5; i++){
                                if(dice_throws[i]){
                                        dice_throws[i]--;
                                        dice[i] = rand()%6;
                                        ((wxDynamicBitmap*) FindWindow(i + ID_DICE1)) -> SetBitmap(*bitmap_dices[dice[i]]);
                                }
                        }
                        ::wxMilliSleep(100);
                }
        } else {
                for (int i=0; i<5; i++) {
                        if (!((wxCheckBox*) FindWindow(i + ID_DICE1KEEP))->IsChecked()) {
                                dice[i] = rand()%6;
                                ((wxDynamicBitmap*) FindWindow(i + ID_DICE1)) -> SetBitmap(*bitmap_dices[dice[i]]);
                        }
                }
        }
        
        //Clear old dice-hash and create a new one
        ClearDiceHash();
        for (int i=0; i<5; i++)
                dicehash[dice[i]] += 1; 

        //if out of rolls disable the roll butoon
        m_rolls -= 1;
        #ifndef DEBUG
        if (m_rolls <= 0) 
                ((wxButton*) FindWindow(ID_ROLL)) -> Enable(false);
        #endif
        
        //enable the keep checkboxes
        for (int i=0; i<5; i++)
                ((wxCheckBox*) FindWindow(i + ID_DICE1KEEP)) -> Enable(true);
        
        //we rolled the dices so undoing isn't allowed
        (GetMenuBar()->FindItem(ID_UNDO))->Enable(false);
        m_yahtzeebonus = false; //if we scored yahtzee bonus before we don't care anymore.
        
        //queue the event which will cause the event-handler for clicks to be reconnected.
        event.SetEventType(wxEVT_ENABLE_ROLL);
        wxEvtHandler::AddPendingEvent(event);
}

/**
 * This is the event-handler for all of the scoring buttons of the upper section.
 *
 * It gets the id of the button that called the event handler by comparing it 
 * to the id of the aces button it figures what button was pressed, And updates
 * the suiting score textbox (again by comparing the id to the one of the aces
 * checbox).
 * \param event 
 */
void MainFrame::OnUpperButtons (wxCommandEvent& event)
{
        wxString out;
        int temp;
        if(m_rolls < 3){
                YahtzeeBonus();
                temp = dicehash[(event.GetId() - ID_ACES)] * (event.GetId() - ID_ACES + 1);
        
                out.Printf(wxT("%i"),temp);
                ((wxTextCtrl*) FindWindow(event.GetId() - ID_ACES + ID_ACESTEXT))->SetValue(out);
                
                PostScore(event.GetId());
        }
        else 
                wxMessageBox(wxT("First you need to roll, and after you roll you may score"), wxT("OpenYahtzee"), wxOK | wxICON_INFORMATION, this);
}

/**
 * Event handler for the "3 of a kind" score button.
 * \param event 
 */
void MainFrame::On3ofakindButton(wxCommandEvent& event)
{
        if(m_rolls>=3) {
                wxMessageBox(wxT("First you need to roll, and after you roll you may score"), wxT("OpenYahtzee"), wxOK | wxICON_INFORMATION, this);
                return;
        }
        YahtzeeBonus();
        bool three = false;
        wxString out;
        int temp = 0;   

        //check for the conditions of scoring
        for (int i=0; i<6; i++)
                if (dicehash[i] >= 3)
                        three = true;
        if (three){
                for(int i = 0; i<5; i++) 
                        temp += dice[i]+1;
        
                out.Printf(wxT("%i"),temp);
                ((wxTextCtrl*) FindWindow(ID_THREEOFAKINDTEXT))->SetValue(out);
        } else
                ((wxTextCtrl*) FindWindow(ID_THREEOFAKINDTEXT))->SetValue(wxT("0"));
        
        PostScore(event.GetId());
}

/**
 * Event handler for the "4 of a kind" score button.
 * \param event 
 */
void MainFrame::On4ofakindButton(wxCommandEvent& event)
{
        if(m_rolls>=3) {
                wxMessageBox(wxT("First you need to roll, and after you roll you may score"), wxT("OpenYahtzee"), wxOK | wxICON_INFORMATION, this);
                return;
        }
        YahtzeeBonus();
        bool four = false;
        wxString out;
        int temp = 0;   

        //check for the conditions of scoring
        for (int i=0; i<6; i++)
                if (dicehash[i] >= 4)
                        four = true;
        if (four){
                for(int i = 0; i<5; i++) 
                        temp += dice[i]+1;
        
                out.Printf(wxT("%i"),temp);
                ((wxTextCtrl*) FindWindow(ID_FOUROFAKINDTEXT))->SetValue(out);
        } else
                ((wxTextCtrl*) FindWindow(ID_FOUROFAKINDTEXT))->SetValue(wxT("0"));
        
        PostScore(event.GetId());
}

/**
 * Event handler for the full-house score button.
 * \param event 
 */
void MainFrame::OnFullHouseButton(wxCommandEvent& event)
{
        if(m_rolls>=3) {
                wxMessageBox(wxT("First you need to roll, and after you roll you may score"), wxT("OpenYahtzee"), wxOK | wxICON_INFORMATION, this);
                return;
        }
        YahtzeeBonus();
        bool two = false;
        bool three = false;

        //check for the conditions of scoring
        for (int i=0; i<6; i++)
                if (dicehash[i] == 2)
                        two = true;
        for (int i=0; i<6; i++)
                if (dicehash[i] == 3)
                        three = true;
        if ((two && three) || YahtzeeJoker())
                ((wxTextCtrl*) FindWindow(ID_FULLHOUSETEXT))->SetValue(wxT("25"));
        else
                ((wxTextCtrl*) FindWindow(ID_FULLHOUSETEXT))->SetValue(wxT("0"));
        
        PostScore(event.GetId());
}

/**
 * Event handler for the small-sequence score button.
 * \param event 
 */
void MainFrame::OnSmallSequenceButton(wxCommandEvent& event)
{
        if(m_rolls>=3) {
                wxMessageBox(wxT("First you need to roll, and after you roll you may score"), wxT("OpenYahtzee"), wxOK | wxICON_INFORMATION, this);
                return;
        }

        YahtzeeBonus();
        bool sequence = false;
        //check for the conditions of scoring
        if ( (dicehash[0]>=1 && dicehash[1]>=1 && dicehash[2]>=1 && dicehash[3]>=1) ||
                (dicehash[1]>=1 && dicehash[2]>=1 && dicehash[3]>=1 && dicehash[4]>=1) ||
                (dicehash[2]>=1 && dicehash[3]>=1 && dicehash[4]>=1 && dicehash[5]>=1))
                        sequence = true;
        if (sequence || YahtzeeJoker())
                ((wxTextCtrl*) FindWindow(ID_SMALLSEQUENCETEXT))->SetValue(wxT("30"));
        else
                ((wxTextCtrl*) FindWindow(ID_SMALLSEQUENCETEXT))->SetValue(wxT("0"));
        
        PostScore(event.GetId());
}

/**
 * Event handler for the large-sequence score button.
 * \param event 
 */
void MainFrame::OnLargeSequenceButton(wxCommandEvent& event)
{
        if(m_rolls>=3) {
                wxMessageBox(wxT("First you need to roll, and after you roll you may score"), wxT("OpenYahtzee"), wxOK | wxICON_INFORMATION, this);
                return;
        }

        YahtzeeBonus();
        bool sequence = false;
        //check for the conditions of scoring
        if ( (dicehash[0]==1 && dicehash[1]==1 && dicehash[2]==1 && dicehash[3]==1 && dicehash[4]==1) ||
                (dicehash[1]==1 && dicehash[2]==1 && dicehash[3]==1 && dicehash[4]==1 && dicehash[5]==1))
                        sequence = true;
        if (sequence || YahtzeeJoker())
                ((wxTextCtrl*) FindWindow(ID_LARGESEQUENCETEXT))->SetValue(wxT("40"));
        else
                ((wxTextCtrl*) FindWindow(ID_LARGESEQUENCETEXT))->SetValue(wxT("0"));
        
        PostScore(event.GetId());
}

/**
 * Event handler for the yahtzee score button.
 * \param event 
 */
void MainFrame::OnYahtzeeButton(wxCommandEvent& event)
{
        if(m_rolls>=3) {
                wxMessageBox(wxT("First you need to roll, and after you roll you may score"), wxT("OpenYahtzee"), wxOK | wxICON_INFORMATION, this);
                return;
        }
        //give the score
        if ((dice[0]==dice[1]) && (dice[1]==dice[2]) && (dice[1]==dice[3]) && (dice[1]==dice[4])){
                ((wxTextCtrl*) FindWindow(ID_YAHTZEETEXT))->SetValue(wxT("50"));
                m_yahtzee=true;
        } else
                ((wxTextCtrl*) FindWindow(ID_YAHTZEETEXT))->SetValue(wxT("0"));

        PostScore(event.GetId());
}

/**
 * Evnet handler for the chance score button.
 * \param event 
 */
void MainFrame::OnChanceButton (wxCommandEvent& event)
{
        wxString out;
        int temp = 0;
        if(m_rolls < 3){
                YahtzeeBonus();
                for(int i = 0; i<5; i++) 
                        temp += dice[i]+1;
        
                out.Printf(wxT("%i"),temp);
                ((wxTextCtrl*) FindWindow(ID_CHANCETEXT))->SetValue(out);
                
                PostScore(event.GetId());
        }
        else 
                wxMessageBox(wxT("First you need to roll, and after you roll you may score"), wxT("OpenYahtzee"), wxOK | wxICON_INFORMATION, this);

}

/**
 * Event handler for mouse clicks on the dice.
 *
 * When clicking on the dice this event-handler ticks the appropriate "keep" checkbox.
 * \param event 
 */
void MainFrame::OnDiceClick (wxCommandEvent& event)
{
        //tick the checkbox
        if (((wxCheckBox*) FindWindow(event.GetId()-ID_DICE1 + ID_DICE1KEEP))->IsEnabled()){
                bool newvalue = (((wxCheckBox*) FindWindow(event.GetId()-ID_DICE1 + ID_DICE1KEEP))->GetValue())?false:true;
                ((wxCheckBox*) FindWindow(event.GetId()-ID_DICE1 + ID_DICE1KEEP)) -> SetValue(newvalue);
        }

        //dispatch a click event on the checkbox
        wxCommandEvent clickevent((event.GetId()-ID_DICE1 + ID_DICE1KEEP),wxEVT_COMMAND_CHECKBOX_CLICKED);
        clickevent.SetEventObject( this );
        clickevent.SetId(event.GetId()-ID_DICE1 + ID_DICE1KEEP);
        this->OnKeepClick(clickevent); ///\todo find a better way to call the event handler.
}

void MainFrame::OnKeepClick (wxCommandEvent& event)
{
        wxCheckBox *temp = (wxCheckBox*) FindWindow(event.GetId());
        ((wxDynamicBitmap*) FindWindow(event.GetId()-ID_DICE1KEEP + ID_DICE1))->SetGrayScale(temp->GetValue());
}

//********************************************
//******        General Functions       ******
//********************************************

/**
 * This function clears the dice hash.
 *
 * The dice hash is just an array that holds how many dices have each value.
 */
void MainFrame::ClearDiceHash()
{
        for (int i=0; i<6; i++)
                dicehash[i] = 0;
}

/**
 * This function handles everything related to reseting the dice rolls after scoring.
 */
void MainFrame::ResetRolls()
{
        m_rollsundo = m_rolls;
        m_rolls = 3;
        ((wxButton*) FindWindow(ID_ROLL)) -> Enable(true);
        for (int i=0; i<5; i++){ 
                ((wxCheckBox*) FindWindow(i + ID_DICE1KEEP)) -> SetValue(false);
                ((wxCheckBox*) FindWindow(i + ID_DICE1KEEP)) -> Enable(false);
                ((wxDynamicBitmap*) FindWindow(i+ID_DICE1)) -> SetGrayScale(false);
        }
}

/**
 * This function checks for a Yahtzee Bonus situation and if one exists it scores accordingly.
 */
void MainFrame::YahtzeeBonus()
{
        long temp;
        wxString tempstr;
        
        //if the player didn't have any yathzees yet he can't have the bonus;
        if (!m_yahtzee)
                return;
        if ((dice[0]==dice[1]) && (dice[1]==dice[2]) && (dice[1]==dice[3]) && (dice[1]==dice[4])) {
                tempstr = ((wxTextCtrl*) FindWindow(ID_YAHTZEEBONUSTEXT)) -> GetValue();
                tempstr.ToLong(&temp,10);
                temp += 100;
                tempstr.Printf(wxT("%i"),temp);
                ((wxTextCtrl*) FindWindow(ID_YAHTZEEBONUSTEXT)) -> SetValue(tempstr);
                m_yahtzeebonus = true;
        }       
}

/**
 * This function checks whether we have a Yahtzee Joker situation.
 * \return true if there is Yahtzee Joker, false otherwise.
 */
bool MainFrame::YahtzeeJoker()
{
        if ((dice[0]==dice[1]) && (dice[1]==dice[2]) && (dice[1]==dice[3]) && (dice[1]==dice[4]) && !(FindWindow(ID_ACES+dice[0])->IsEnabled()) && !(FindWindow(ID_YAHTZEE)->IsEnabled())) {
                return true;
        }
        return false;
}

/**
 * This function handles the end of game.
 *
 * When a game ends it calculates the total score and submit it to the high
 * score list.
 */
void MainFrame::EndofGame()
{
        if(m_numofplaysleft>0)
                return;
        
        wxString tempstr;
        long temp;
        long upperscore = 0;
        long lowerscore = 0;

        for (int i = ID_ACESTEXT; i<=ID_SIXESTEXT; i++){
                tempstr = ((wxTextCtrl*) FindWindow(i)) -> GetValue();
                tempstr.ToLong(&temp,10);
                upperscore +=temp;
        }
        
        tempstr.Printf(wxT("%i"),upperscore);
        ((wxTextCtrl*) FindWindow(ID_UPPERSECTIONTOTAL)) -> SetValue(tempstr);
        
        //check for bonus
        if(upperscore>=63) {
                ((wxTextCtrl*) FindWindow(ID_BONUS)) -> SetValue(wxT("35"));
                upperscore +=35;
        } else
                ((wxTextCtrl*) FindWindow(ID_BONUS)) -> SetValue(wxT("0"));
        
        tempstr.Printf(wxT("%i"),upperscore);
        ((wxTextCtrl*) FindWindow(ID_UPPERTOTAL)) -> SetValue(tempstr);
        
        //calculate total on lower section
        for (int i = ID_THREEOFAKINDTEXT; i<=ID_YAHTZEEBONUSTEXT; i++) {
                tempstr = ((wxTextCtrl*) FindWindow(i)) -> GetValue();
                tempstr.ToLong(&temp,10);
                lowerscore +=temp;
        }
        
        tempstr.Printf(wxT("%i"),lowerscore);
        ((wxTextCtrl*) FindWindow(ID_LOWERTOTAL)) -> SetValue(tempstr);
        tempstr.Printf(wxT("%i"),upperscore + lowerscore);
        ((wxTextCtrl*) FindWindow(ID_GRANDTOTAL)) -> SetValue(tempstr);

        //disable the roll button;
        ((wxButton*) FindWindow(ID_ROLL)) -> Enable(false);

        tempstr.Printf(wxT("Your final score is %i points!"),lowerscore+upperscore);
        wxMessageBox(tempstr, wxT("Game Ended"), wxOK | wxICON_INFORMATION, this);

        //submit to high score
        HighScoreHandler(lowerscore+upperscore);
        
}

/**
 * This function checks if a given score qualifies for the high score list and
 * adds it to the list if it does.
 * @param score The score submitted to the high score list.
 */
void MainFrame::HighScoreHandler(int score)
{
        int place;
        std::string name,date;
        wxCommandEvent newevent;


        place = m_highscoredb->IsHighScore(score);
        
        if(!place)  //if the score didn't make it to the highscore table do nothing
                return;
        
        wxString msg;
        msg.Printf(wxT("Your score made it to the high score table. Your place is number %i.\nPlease enter your name below:"),place);

        wxTextEntryDialog infodialog(this,msg,wxT("Please enter your name"),wxT(""),wxOK | wxCENTRE);
        infodialog.ShowModal();

        name = infodialog.GetValue().mb_str();

        //get the date
        wxDateTime now = wxDateTime::Now();
        date = now.FormatISOTime().mb_str();
        date +=" ";
        date += now.FormatDate().mb_str();

        m_highscoredb->SendHighScore(name,date,score);

        //now show the high score table
        newevent.SetId(ID_SHOWHIGHSCORE);
        newevent.SetEventType(wxEVT_COMMAND_MENU_SELECTED);
        ProcessEvent(newevent);

}

///this function handles all the post scoring stuff such as disabling the right button.
/**
 * This function is always called after scoring and it handles all the post-score
 * stuff such as reseting the dice rolls, enabling the undo button, calculating
 * the sub-total scores and ending the game if necessary.
 * \param id 
 */
void MainFrame::PostScore(int id)
{
        //now after the scoring reset the rolls
        ResetRolls();

        CalculateSubTotal();

        //and disable the button
        FindWindow(id)->Enable(false);
        m_numofplaysleft--;
        EnableUndo(id);
        EndofGame();
}

/**
 * This function calculates the sub-total scores and should be called after
 * every score. It does so only if this feature is requested in the settings
 * dialog.
 */
void MainFrame::CalculateSubTotal()
{
        if (!m_calculatesubtotal)
                return;
        long upperscore = 0;
        long lowerscore = 0;
        wxString tempstr;
        long temp;


        for (int i = ID_ACESTEXT; i<=ID_SIXESTEXT; i++){
                tempstr = ((wxTextCtrl*) FindWindow(i)) -> GetValue();
                tempstr.ToLong(&temp,10);
                upperscore +=temp;
        }
        
        tempstr.Printf(wxT("%i"),upperscore);
        ((wxTextCtrl*) FindWindow(ID_UPPERSECTIONTOTAL)) -> SetValue(tempstr);

        for (int i = ID_THREEOFAKINDTEXT; i<=ID_YAHTZEEBONUSTEXT; i++) {
                tempstr = ((wxTextCtrl*) FindWindow(i)) -> GetValue();
                tempstr.ToLong(&temp,10);
                lowerscore +=temp;
        }
        
        tempstr.Printf(wxT("%i"),lowerscore);
        ((wxTextCtrl*) FindWindow(ID_LOWERTOTAL)) -> SetValue(tempstr);
}


/**
 * Initializes the database and stores default settings if needed.
 * @return 0 if some error
 */
int MainFrame::InitializeDatabase()
{
        std::ostringstream sstr;


        if (m_settingsdb->GetKey("highscoresize") == "") { //check if we need to create a new high score table
                m_highscoredb->SetSize(DEF_HIGHSCORESIZE);
                sstr<<DEF_HIGHSCORESIZE<<std::flush;
                m_settingsdb->SetKey("highscoresize", sstr.str());
        } else {
                int highscoresize = atoi((m_settingsdb->GetKey("highscoresize")).c_str());
                //m_highscoredb->SetSize((highscoresize>0)?highscoresize:DEF_HIGHSCORESIZE);
                m_highscoredb->SetSize(highscoresize);
        }
        
        if (m_settingsdb->GetKey("animate") == "Yes") {
                m_animate = true;
        } else if (m_settingsdb->GetKey("animate") == "No") {
                m_animate = false;
        } else {
                m_settingsdb->SetKey("animate", "Yes");
                m_animate = true;
        }
        if (m_settingsdb->GetKey("calculatesubtotal") == "Yes") {
                m_calculatesubtotal = true;
        } else if (m_settingsdb->GetKey("calculatesubtotal") == "No") {
                m_calculatesubtotal = false;
        } else {
                m_settingsdb->SetKey("calculatesubtotal", "Yes");
                m_calculatesubtotal = true;
        }
        
        if (m_settingsdb->GetKey("openyahtzeehomepage") == "") {
                m_settingsdb->SetKey("openyahtzeehomepage", "http://openyahtzee.sourceforge.net/");
        }

        if (m_settingsdb->GetKey("updateurl") == "") {
                /*the version string will be appended in the end of the
                  given url */
                m_settingsdb->SetKey("updateurl", "http://openyahtzee.sourceforge.net/update.php?version=");
        }
        
        return 1;
}