button.cpp

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/***************************************************************************
*                           button.cpp  -  description
*                           --------------------------
*                           begin                : January 10, 2002
*                           copyright            : (C) 2002 by David Ranger
*                           email                : ussreliant@users.sourceforge.net
***************************************************************************/

/***************************************************************************
*                                                                         *
*   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     *
*   any later version.                                                    *
*                                                                         *
***************************************************************************/

#include "button.h"
#include "gldrv/winsys.h"
#include <cstdlib>
#include <cstring>

//Button::Button(float x, float y, float wid, float hei, char *name) { ; }
Button::Button( float x, float y, float wid, float hei, const char *name )
{
    //Initialize the variables
    xcoord    = x;
    ycoord    = y;
    width     = wid;
    height    = hei;
    label     = strdup( name );
    highlight = 0;

    Refresh();
}
void Button::ModifyName( const char *newname )
{
    if (label && newname)
        free( label );
    if (newname)
        label = strdup( newname );
}
Button::~Button( void )
{
    if (label)
        free( label );
}

void Button::Refresh( void )
{
    if (highlight == 0) ShowColor( xcoord, ycoord, width, height, 0.51, 0.47, 0.79, 1 );

    else ShowColor( xcoord, ycoord, width, height, 0.66, 0.6, 1, 1 );
    ShowColor( 0, 0, 0, 0, 0, 0, 0, 1 );
    ShowText( xcoord+0.01, ycoord-height+( (height-0.04)/2 ), width, 4, label, 0 );
}

int Button::MouseClick( int button, int state, float x, float y )
{
    if (Inside( x, y ) == 0) return 0;
    if (state != WS_MOUSE_UP) return 0;                                      //Returning the 1 says it's been clicked

    return 1;
}

int Button::MouseMove( float x, float y )
{
    if (Inside( x, y ) == 0) {
        highlight = 0;
        return 0;
    }
    highlight = 1;
    return 1;
}

int Button::MouseMoveClick( float x, float y )
{
    //Nothing to do
    return 0;
}

int Button::DoMouse( int type, float x, float y, int button, int state )
{
    if (type == 1) return MouseClick( button, state, x, y );
    if (type == 2) return MouseMoveClick( x, y );
    if (type == 3) return MouseMove( x, y );
    return 0;
}

int Button::Inside( float x, float y )
{
    if (x < xcoord || y > ycoord) return 0;
    if ( x > (xcoord+width) ) return 0;
    if ( y < (ycoord-height) ) return 0;
    return 1;
}