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/****************************************************************************
GLUI User Interface Toolkit
---------------------------
glui_panel.cpp - GLUI_Panel control class
--------------------------------------------------
Copyright (c) 1998 Paul Rademacher
WWW: http://sourceforge.net/projects/glui/
Forums: http://sourceforge.net/forum/?group_id=92496
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*****************************************************************************/
#include "glui_internal_control.h"
enum {rollout_height_pixels=GLUI_DEFAULT_CONTROL_HEIGHT + 7};
/****************************** GLUI_Rollout::GLUI_Rollout() **********/
GLUI_Rollout::GLUI_Rollout( GLUI_Node *parent, const char *name,
int open, int type )
{
common_init();
set_name( name );
user_id = -1;
int_val = type;
if ( NOT open ) {
is_open = false;
h = rollout_height_pixels;
}
parent->add_control( this );
}
/****************************** GLUI_Rollout::open() **********/
void GLUI_Rollout::open( void )
{
if ( NOT glui )
return;
if ( is_open )
return;
is_open = true;
GLUI_DRAWINGSENTINAL_IDIOM
/* Copy hidden children into our private list "collapsed_node" */
child_head = collapsed_node.child_head;
child_tail = collapsed_node.child_tail;
collapsed_node.child_head = NULL;
collapsed_node.child_tail = NULL;
if ( child_head != NULL ) {
((GLUI_Control*) child_head)->unhide_internal( true );
}
glui->refresh();
}
/****************************** GLUI_Rollout::close() **********/
void GLUI_Rollout::close( void )
{
if ( NOT glui )
return;
if ( NOT is_open )
return;
is_open = false;
GLUI_DRAWINGSENTINAL_IDIOM
if ( child_head != NULL ) {
((GLUI_Control*) child_head)->hide_internal( true );
}
/* Move all children into a private list of hidden children */
collapsed_node.child_head = first_child();
collapsed_node.child_tail = last_child();
child_head = NULL;
child_tail = NULL;
this->h = rollout_height_pixels;
glui->refresh();
}
/**************************** GLUI_Rollout::mouse_down_handler() **********/
int GLUI_Rollout::mouse_down_handler( int local_x, int local_y )
{
if ( local_y - y_abs > rollout_height_pixels ) {
initially_inside = currently_inside = false;
return false;
}
currently_inside = true;
initially_inside = true;
redraw();
return false;
}
/**************************** GLUI_Rollout::mouse_held_down_handler() ****/
int GLUI_Rollout::mouse_held_down_handler(
int local_x, int local_y,
bool new_inside )
{
if ( NOT initially_inside )
return false;
if ( local_y - y_abs> rollout_height_pixels )
new_inside = false;
if (new_inside != currently_inside) {
currently_inside = new_inside;
redraw();
}
return false;
}
/**************************** GLUI_Rollout::mouse_down_handler() **********/
int GLUI_Rollout::mouse_up_handler( int local_x, int local_y, bool inside )
{
if ( currently_inside ) {
if ( is_open )
close();
else
open();
}
currently_inside = false;
initially_inside = false;
redraw();
return false;
}
/********************************* GLUI_Rollout::draw() ***********/
void GLUI_Rollout::draw( int x, int y )
{
GLUI_DRAWINGSENTINAL_IDIOM
int left, right, top, bottom;
left = 5;
right = w-left;
top = 3;
bottom = 3+16;
if ( is_open )
draw_emboss_box( 0, w, top+3, h );
else
draw_emboss_box( 0, w, top+3, h-7 );
glui->draw_raised_box( left, top, w-left*2, 16 );
if ( glui )
glColor3ub(glui->bkgd_color.r,glui->bkgd_color.g,glui->bkgd_color.b);
glDisable( GL_CULL_FACE );
glBegin( GL_QUADS );
glVertex2i( left+1, top+1 ); glVertex2i( right-1, top+1 );
glVertex2i( right-1, bottom-1 ); glVertex2i( left+1, bottom-1 );
glEnd();
draw_name( left+8, top+11 );
if ( active )
/*draw_active_box( left+4, left+string_width( name.c_str() )+12, */
draw_active_box( left+4, right-17,
top+2, bottom-2 );
/** Draw '+' or '-' **/
glBegin( GL_LINES );
if ( is_open ) {
if ( enabled ) glColor3f( 0.0, 0.0, 0.0 );
else glColor3f( 0.5, 0.5, 0.5 );
glVertex2i(right-14,(top+bottom)/2); glVertex2i(right-5,(top+bottom)/2);
glColor3f( 1.0, 1.0, 1.0 );
glVertex2i(right-14,1+(top+bottom)/2);glVertex2i(right-5,1+(top+bottom)/2);
}
else
{
glColor3f( 1.0, 1.0, 1.0 );
glVertex2i(right-9,top+3); glVertex2i(right-9,bottom-4);
glVertex2i(right-14,(top+bottom)/2); glVertex2i(right-5,(top+bottom)/2);
if ( enabled ) glColor3f( 0.0, 0.0, 0.0 );
else glColor3f( 0.5, 0.5, 0.5 );
glVertex2i(right-14,-1+(top+bottom)/2);
glVertex2i(right-5,-1+(top+bottom)/2);
glVertex2i(right-10,top+3);
glVertex2i(right-10,bottom-4);
}
glEnd();
glLineWidth( 1.0 );
if (currently_inside) {draw_pressed(); /* heavy black outline when pressed */ }
}
/***************************** GLUI_Rollout::update_size() **********/
void GLUI_Rollout::update_size( void )
{
int text_size;
if ( NOT glui )
return;
text_size = string_width(name);
if ( w < text_size + 36 )
w = text_size + 36;
}
/**************************** GLUI_Rollout::draw_pressed() ***********/
void GLUI_Rollout::draw_pressed( void )
{
int left, right, top, bottom;
left = 5;
right = w-left;
top = 3;
bottom = 3+16;
glColor3f( 0.0, 0.0, 0.0 );
glBegin( GL_LINE_LOOP );
glVertex2i( left, top ); glVertex2i( right, top );
glVertex2i( right, bottom ); glVertex2i( left,bottom );
glEnd();
glBegin( GL_LINE_LOOP );
glVertex2i( left+1, top+1 ); glVertex2i( right-1, top+1 );
glVertex2i( right-1, bottom-1 ); glVertex2i( left+1,bottom-1 );
glEnd();
}
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