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/****************************************************************************
GLUI User Interface Toolkit
---------------------------
glui_checkbox - GLUI_Checkbox control class
--------------------------------------------------
Copyright (c) 1998 Paul Rademacher
This program is freely distributable without licensing fees and is
provided without guarantee or warrantee expressed or implied. This
program is -not- in the public domain.
*****************************************************************************/
#include "glui.h"
#include "stdinc.h"
/****************************** GLUI_Checkbox::mouse_down_handler() **********/
int GLUI_Checkbox::mouse_down_handler( int local_x, int local_y )
{
orig_value = int_val;
(void)local_x;
(void)local_y;
TOGGLE_BOOL( int_val );
currently_inside = true;
if ( int_val )
draw_checked();
else
draw_unchecked();
return false;
}
/****************************** GLUI_Checkbox::mouse_up_handler() **********/
int GLUI_Checkbox::mouse_up_handler( int local_x, int local_y, int inside )
{
(void)local_x;
(void)local_y;
if ( NOT inside ) {
int_val = orig_value;
}
else {
set_int_val( int_val );
/*** Invoke the callback ***/
execute_callback();
}
if ( int_val )
draw_checked();
else
draw_unchecked();
return false;
}
/****************************** GLUI_Checkbox::mouse_held_down_handler() ******/
int GLUI_Checkbox::mouse_held_down_handler( int local_x, int local_y,
int inside)
{
(void)local_x;
(void)local_y;
(void)inside;
/********** Toggle checked and unchecked bitmap if we're entering or
leaving the checkbox area **********/
/** oops, this was wrong!
if ( NOT inside AND currently_inside == true )
draw_unchecked();
else if ( inside AND currently_inside == false )
draw_checked();*/
if ( inside != currently_inside )
TOGGLE_BOOL( int_val );
currently_inside = inside;
if ( int_val )
draw_checked();
else
draw_unchecked();
return false;
}
/****************************** GLUI_Checkbox::key_handler() **********/
int GLUI_Checkbox::key_handler( unsigned char key,int modifiers )
{
(void)key;
(void)modifiers;
return false;
}
/****************************** GLUI_Checkbox::draw() **********/
void GLUI_Checkbox::draw( int x, int y )
{
int orig;
(void)x;
(void)y;
if ( NOT can_draw() )
return;
orig = set_to_glut_window();
if ( int_val != 0 ) {
if ( enabled )
glui->std_bitmaps.draw( GLUI_STDBITMAP_CHECKBOX_ON, 0, 0 );
else
glui->std_bitmaps.draw( GLUI_STDBITMAP_CHECKBOX_ON_DIS, 0, 0 );
}
else {
if ( enabled )
glui->std_bitmaps.draw( GLUI_STDBITMAP_CHECKBOX_OFF, 0, 0 );
else
glui->std_bitmaps.draw( GLUI_STDBITMAP_CHECKBOX_OFF_DIS, 0, 0 );
}
draw_active_area();
draw_name( text_x_offset, 10);
restore_window(orig);
}
/************************************** GLUI_Checkbox::draw_checked() ******/
void GLUI_Checkbox::draw_checked( void )
{
int state, orig;
if ( NOT can_draw() )
return;
orig = set_to_glut_window();
state = glui->set_front_draw_buffer();
glColor3f( 0.0, 0.0, 0.0 );
glPushMatrix();
translate_to_origin();
if ( enabled )
glui->std_bitmaps.draw( GLUI_STDBITMAP_CHECKBOX_ON, 0, 0 );
else
glui->std_bitmaps.draw( GLUI_STDBITMAP_CHECKBOX_ON_DIS, 0, 0 );
draw_active_area();
glPopMatrix();
glui->restore_draw_buffer(state);
restore_window(orig);
}
/************************************** GLUI_Checkbox::draw_unchecked() ******/
void GLUI_Checkbox::draw_unchecked( void )
{
int state, orig;
if ( NOT can_draw() )
return;
orig = set_to_glut_window();
state = glui->set_front_draw_buffer();
glColor3f( 1.0, 1.0, 1.0 );
glPushMatrix();
translate_to_origin();
if ( enabled )
glui->std_bitmaps.draw( GLUI_STDBITMAP_CHECKBOX_OFF, 0, 0 );
else
glui->std_bitmaps.draw( GLUI_STDBITMAP_CHECKBOX_OFF_DIS, 0, 0 );
draw_active_area();
glPopMatrix();
glui->restore_draw_buffer(state);
restore_window(orig);
}
/**************************************** GLUI_Checkbox::draw_X() ************/
void GLUI_Checkbox::draw_X( void )
{
int orig;
orig = set_to_glut_window();
/* glPointSize( 1.0 );
glBegin( GL_POINTS );
for( i=2; i<=GLUI_CHECKBOX_SIZE-2; i++ ) {
glVertex2i( i,i );
glVertex2i( i,GLUI_CHECKBOX_SIZE-i );
}
glEnd();
*/
/* glColor3f( 0.0, 0.0, 0.0 ); */
/*
glBegin( GL_LINES );
glVertex2i( 0, 0 );
glVertex2i( GLUI_CHECKBOX_SIZE-0, GLUI_CHECKBOX_SIZE-0 );
glVertex2i( GLUI_CHECKBOX_SIZE-0, 0 );
glVertex2i( 0, GLUI_CHECKBOX_SIZE-0 );
glEnd();*/
restore_window(orig);
}
/********************************** GLUI_Checkbox::draw_empty_box() **********/
void GLUI_Checkbox::draw_empty_box( void )
{
int orig;
if ( NOT can_draw())
return;
orig = set_to_glut_window();
glColor3f( 1.0, 1.0, 1.0 );
glBegin( GL_QUADS );
glVertex2i( 0, 0 );
glVertex2i( GLUI_CHECKBOX_SIZE, 0 );
glVertex2i( GLUI_CHECKBOX_SIZE, GLUI_CHECKBOX_SIZE );
glVertex2i( 0, GLUI_CHECKBOX_SIZE );
glEnd();
glColor3f( 0.0, 0.0, 0.0 );
glBegin( GL_LINE_LOOP );
glVertex2i( 0, 0 );
glVertex2i( GLUI_CHECKBOX_SIZE, 0 );
glVertex2i( GLUI_CHECKBOX_SIZE, GLUI_CHECKBOX_SIZE );
glVertex2i( 0, GLUI_CHECKBOX_SIZE );
glEnd();
restore_window(orig);
}
/************************************ GLUI_Checkbox::update_size() **********/
void GLUI_Checkbox::update_size( void )
{
int text_size;
if ( NOT glui )
return;
text_size = _glutBitmapWidthString( glui->font, name );
/* if ( w < text_x_offset + text_size + 6 ) */
w = text_x_offset + text_size + 6 ;
}
/**************************** GLUI_Checkbox::draw_active_area() **************/
void GLUI_Checkbox::draw_active_area( void )
{
int text_width, left, right, orig;
if ( NOT can_draw())
return;
orig = set_to_glut_window();
text_width = _glutBitmapWidthString( glui->font, name );
left = text_x_offset-3;
right = left + 7 + text_width;
if ( active ) {
glEnable( GL_LINE_STIPPLE );
glLineStipple( 1, 0x5555 );
glColor3f( 0., 0., 0. );
} else {
glColor3ub( glui->bkgd_color.r, glui->bkgd_color.g, glui->bkgd_color.b );
}
glBegin( GL_LINE_LOOP );
glVertex2i(left,0); glVertex2i( right,0);
glVertex2i(right,h+1); glVertex2i( left,h+1);
glEnd();
glDisable( GL_LINE_STIPPLE );
restore_window(orig);
}
/********************************* GLUI_Checkbox::set_int_val() **************/
void GLUI_Checkbox::set_int_val( int new_val )
{
int_val = new_val;
/*** Update the variable we're (possibly) pointing to ***/
output_live(true);
if ( can_draw() ) {
if ( int_val )
draw_checked();
else
draw_unchecked();
}
}
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