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