GEMini Atari/GEMini_Atari_CD-ROM_Walnut_Creek_December_1993.iso/files/gnu/gchsrc31/buttons.cc

C/C++ Source or Header | 1992-04-27 | 4.7 KB | 203 lines

//////////////////////////////////////////////////////////////////////////////
//
//  This file is part of the Atari graphical interface for GNU Chess,
//  and is Copyright 1992 by Warwick W. Allison.
//
//  You are free to copy and modify these sources, provided you acknowledge
//  the origin by retaining this notice, and adhere to the conditions
//  of the CHESS General Public License described in the main chess file
//  gnuchess.cc.
//
//////////////////////////////////////////////////////////////////////////////

#include <string.h>
#include <stdio.h>
#include "Buttons.h"
#include "Help.h"

GameButton **Button;
int MaxNumButtons=20;
int NumButtons;
int MyLevel=1;
const int TopButtonX=0;
const int TopButtonY=5;

static char* const IncTextTemplate="Up level (now %d)";
static char* const DecTextTemplate="Down level (now %d)";
static char IncText[25];
static char DecText[25];

Sprite *Indicator;
static int LevX,LevY;

DrawIndicator()
{
    Indicator->MoveTo(LevX+MyLevel*3,LevY);
    Indicator->Draw();
    Pages->Flop();
    Indicator->Draw();
    Pages->Flop();

    sprintf(IncText,IncTextTemplate,MyLevel);
    sprintf(DecText,DecTextTemplate,MyLevel);
    NoteHelpChanged(IncText);
    NoteHelpChanged(DecText);
}

class LevelButton : public GameButton
{
public:
    LevelButton(Sprite* S,int i,int x,int y,int w,int h,char *commandstr,char *HelpText,int Inc);
    virtual char* const Push();
    virtual void Release();

private:
    int inc;
};

LevelButton::LevelButton(Sprite* S,int i,int x,int y,int w,int h,char *commandstr,char *HelpText,int Inc) :
    GameButton(S,i,x,y,w,h,commandstr,HelpText),
    inc(Inc)
{ }

void InitButtons(Screen& Sc)
{
    ColourIncarnation* Pointer=new ColourIncarnation(4);
    Pointer->GetImage(Sc,304,166);
    Indicator=new Sprite(Pointer);

    Incarnation **P=new Incarnation*[2];
    P[0]=new WideColourIncarnation(15);
    P[1]=new ColourIncarnation(15);

    P[0]->GetImage(Sc,288,185);
    P[1]->GetImage(Sc,288,155);

    Sprite *S=new Sprite(P,2);

    Button=new GameButton*[MaxNumButtons];
    int b=0;
    int w=32;
    int h=15;
    int x=TopButtonX;
    int y=TopButtonY-h;

    // First column
    Button[b++]=new GameButton(S,0,x,y+=h,w,h,"quit","Quit GNUchess");
    Button[b++]=new GameButton(S,0,x,y+=h,w,h,"new","New game");
    Button[b++]=new GameButton(S,0,x,y+=h,w,h,"help","Information");
    Button[b++]=new GameButton(S,0,x,y+=h,w,h,"edit","Edit board");
    Button[b++]=new GameButton(S,0,x,y+=h,w,h,"book","Disable openings book");

    Button[b++]=new LevelButton(S,1,x,y+=h,w/2,h,"level",DecText,-1);
    Button[b++]=new LevelButton(S,1,x+w/2,y,w/2,h,"level",IncText,+1);
    LevX=x-3;
    LevY=y+15-4;

    // Second column
    y=TopButtonY-h;
    x+=w;
    Button[b++]=new GameButton(S,0,x,y+=h,w,h,"get","Load game");
    Button[b++]=new GameButton(S,0,x,y+=h,w,h,"save","Save game");
    Button[b++]=new GameButton(S,0,x,y+=h,w,h,"savecnf","Save configuration");
    Button[b++]=new GameButton(S,0,x,y+=h,w,h,"list","List game to CHESS.LST");
    y+=h;// modem
    y+=h;// humans

    // Third column
    y=TopButtonY-h;
    x+=w;
    Button[b++]=new GameButton(S,0,x,y+=h,w,h,"both","Start CPU duel");
    Button[b++]=new GameButton(S,0,x,y+=h,w,h,"remove","Back two moves");
    Button[b++]=new GameButton(S,0,x,y+=h,w,h,"reverse","Reverse board");
    Button[b++]=new GameButton(S,0,x,y+=h,w,h,"hint","Hint");
    Button[b++]=new GameButton(S,0,x,y+=h,w,h,"switch","Advance (Swap sides)");
    Button[b++]=new GameButton(S,0,x,y+=h,w,h,"undo","Undo move");

    NumButtons=b;

    DrawIndicator();
}

static GameButton* Pushed;

void ReleaseButton()
{
    if (Pushed) {
        Pushed->Release();
        Pushed=0;
    }
}

GameButton::GameButton(Sprite* S,int i,int x,int y,int w,int h,char *commandstr,char *HelpText)
    : X(x), Y(y), W(w), H(h), cmdstr(commandstr), Pusher(S), I(i)
{
    AddHelp(x,y,w,h,HelpText);
}

void GameButton::Release()
{
    Pusher->Wipe();
    Pages->Flop();
    Pusher->Wipe();
    Pages->Flop();
}

char* const GameButton::Push()
{
    ReleaseButton();
    Pushed=this;
    Pusher->ShapeTo(I);
    Pusher->MoveTo(X,Y);
    Pusher->Draw();
    Pages->Flop();
    Pusher->Draw();
    Pages->Flop();
    return cmdstr;
}

char* const LevelButton::Push()
{
    MyLevel+=inc;
    if (MyLevel<1) {
        MyLevel=1;
        return " ";
    } else if (MyLevel>10) {
        MyLevel=10;
        return " ";
    }

    Indicator->Wipe();
    Pages->Flop();
    Indicator->Wipe();
    Pages->Flop();

    char* const result=GameButton::Push();

    DrawIndicator();
    return result;
}

void LevelButton::Release()
{
    Indicator->Wipe();
    Pages->Flop();
    Indicator->Wipe();
    Pages->Flop();

    GameButton::Release();

    DrawIndicator();
}

bool PressButton(int x, int y, char *cmd)
{
    for (int b=0; b<NumButtons; b++) {
        if (Button[b]->Contains(x,y)) {
            strcpy(cmd,Button[b]->Push());
            return TRUE;
        }
    }
    return FALSE;
}