3dpcp/3rdparty/glui/glui_radio.cpp
2012-09-16 14:33:11 +02:00

341 lines
7.5 KiB
C++

/****************************************************************************
GLUI User Interface Toolkit
---------------------------
glui_radio.cpp - GLUI_RadioGroup and GLUI_RadioButton control classes
--------------------------------------------------
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_RadioGroup::draw() **********/
void GLUI_RadioGroup::draw( int x, int y )
{
if ( NOT can_draw() )
return;
draw_group(false);
}
/********************* GLUI_RadioGroup::draw_group(int translate) **********/
void GLUI_RadioGroup::draw_group( int translate )
{
GLUI_RadioButton *button;
int state = 0, orig;
if ( NOT can_draw() )
return;
orig = set_to_glut_window();
if ( translate )
state = glui->set_front_draw_buffer();
this->int_val = int_val;
glMatrixMode(GL_MODELVIEW );
button = (GLUI_RadioButton*) first_child();
while( button != NULL ) {
if ( translate ) {
glPushMatrix();
button->translate_to_origin();
}
if ( button->int_val )
button->draw_checked();
else
button->draw_unchecked();
if ( translate )
glPopMatrix();
button = (GLUI_RadioButton*) button->next();
}
if ( translate )
glui->restore_draw_buffer(state);
restore_window(orig);
}
/****************************** GLUI_RadioGroup::set_name() **********/
void GLUI_RadioGroup::set_name( char *text )
{
strncpy(name,text,sizeof(GLUI_String));
if ( glui )
glui->refresh();
}
/********************************* GLUI_RadioGroup::set_selected() **********/
void GLUI_RadioGroup::set_selected( int int_val )
{
GLUI_RadioButton *button;
this->int_val = int_val;
button = (GLUI_RadioButton*) first_child();
while( button != NULL ) {
if ( int_val == -1 ) { /*** All buttons in group are deselected ***/
button->set_int_val(0);
}
else if ( int_val == button->user_id ) { /*** This is selected button ***/
button->set_int_val(1);
}
else { /*** This is NOT selected button ***/
button->set_int_val(0);
}
button = (GLUI_RadioButton*) button->next();
}
}
/************************ GLUI_RadioButton::mouse_down_handler() **********/
int GLUI_RadioButton::mouse_down_handler( int local_x, int local_y )
{
if ( NOT group )
return false;
orig_value = group->int_val;
currently_inside = true;
group->set_selected( this->user_id );
group->draw_group( true );
return false;
}
/*************************** GLUI_RadioButton::mouse_up_handler() **********/
int GLUI_RadioButton::mouse_up_handler( int local_x, int local_y,
int inside )
{
if ( NOT group )
return false;
if ( NOT inside ) {
group->set_selected( orig_value );
group->draw_group( true );
}
else {
/** Now we update the radio button group. We tell the group
handler to set the currently-selected item to this button, which
is reference by its user_id/ordinal number within group **/
group->set_selected( this->user_id );
group->draw_group( true );
/*** Now update the linked variable, and call the callback,
but ONLY if the value of the radio group actually changed ***/
if ( group->int_val != orig_value ) {
group->output_live(true); /** Output live and update gfx ***/
group->execute_callback();
}
}
return false;
}
/********************** GLUI_RadioButton::mouse_held_down_handler() ******/
int GLUI_RadioButton::mouse_held_down_handler( int local_x, int local_y,
int inside)
{
if ( NOT inside AND currently_inside == true ) {
group->set_selected( orig_value );
group->draw_group( true );
}
else if ( inside AND currently_inside == false ) {
group->set_selected( this->user_id );
group->draw_group( true );
}
currently_inside = inside;
return false;
}
/****************************** GLUI_RadioButton::draw() **********/
void GLUI_RadioButton::draw( int x, int y )
{
int orig;
orig = set_to_glut_window();
if ( NOT group OR NOT can_draw() )
return;
/*** See if we're the currently-selected button. If so, draw ***/
if ( group->int_val == this->user_id ) {
if ( enabled )
glui->std_bitmaps.draw( GLUI_STDBITMAP_RADIOBUTTON_ON, 0, 0 );
else
glui->std_bitmaps.draw( GLUI_STDBITMAP_RADIOBUTTON_ON_DIS, 0, 0 );
}
else {
if ( enabled )
glui->std_bitmaps.draw( GLUI_STDBITMAP_RADIOBUTTON_OFF, 0, 0 );
else
glui->std_bitmaps.draw( GLUI_STDBITMAP_RADIOBUTTON_OFF_DIS, 0, 0 );
}
draw_active_area();
draw_name( text_x_offset, 10 );
restore_window(orig);
}
/************************************ GLUI_RadioButton::draw_checked() ******/
void GLUI_RadioButton::draw_checked( void )
{
int orig;
if ( NOT can_draw() )
return;
orig = set_to_glut_window();
if ( enabled )
glui->std_bitmaps.draw( GLUI_STDBITMAP_RADIOBUTTON_ON, 0, 0 );
else
glui->std_bitmaps.draw( GLUI_STDBITMAP_RADIOBUTTON_ON_DIS, 0, 0 );
draw_active_area();
restore_window(orig);
}
/*********************************** GLUI_RadioButton::draw_unchecked() ******/
void GLUI_RadioButton::draw_unchecked( void )
{
int orig;
if ( NOT can_draw() )
return;
orig = set_to_glut_window();
if ( enabled )
glui->std_bitmaps.draw( GLUI_STDBITMAP_RADIOBUTTON_OFF, 0, 0 );
else
glui->std_bitmaps.draw( GLUI_STDBITMAP_RADIOBUTTON_OFF_DIS, 0, 0 );
draw_active_area();
restore_window(orig);
}
/**************************************** GLUI_RadioButton::draw_O() ********/
void GLUI_RadioButton::draw_O( void )
{
int i, j, orig;
if ( NOT can_draw() )
return;
orig = set_to_glut_window();
glBegin( GL_POINTS );
for(i=3; i<=GLUI_RADIOBUTTON_SIZE-3; i++ )
for(j=3; j<=GLUI_RADIOBUTTON_SIZE-3; j++ )
glVertex2i(i,j);
glEnd();
restore_window(orig);
}
/******************************** GLUI_RadioButton::update_size() **********/
void GLUI_RadioButton::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_RadioButton::draw_active_area() **************/
void GLUI_RadioButton::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_RadioGroup::set_int_val() **********/
void GLUI_RadioGroup::set_int_val( int new_val )
{
if ( new_val == int_val )
return;
set_selected( new_val );
draw_group( true );
output_live(true);
}