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/****************************************************************************
GLUI User Interface Toolkit
---------------------------
glui_panel.cpp - GLUI_Panel control class
--------------------------------------------------
Copyright (c) 1998 Paul Rademacher
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"
/****************************** GLUI_Tree::GLUI_Tree() **********/
GLUI_Tree::GLUI_Tree(GLUI_Node *parent, const GLUI_String &name,
int open, int inset)
{
common_init();
GLUI_StaticText *inset_label;
GLUI_Column *col;
this->set_name( name );
this->user_id = -1;
if ( NOT open ) {
this->is_open = false;
this->h = GLUI_DEFAULT_CONTROL_HEIGHT + 7;
}
parent->add_control( this );
inset_label = new GLUI_StaticText(this,"");
inset_label->set_w(inset);
col = new GLUI_Column(this,true);
this->set_column(col);
this->set_alignment(GLUI_ALIGN_LEFT);
}
/****************************** GLUI_Tree::open() **********/
void GLUI_Tree::open()
{
if ( is_open )
return;
is_open = true;
GLUI_DRAWINGSENTINAL_IDIOM
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_Tree::close() **********/
void GLUI_Tree::close()
{
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 );
}
collapsed_node.child_head = first_child();
collapsed_node.child_tail = last_child();
child_head = NULL;
child_tail = NULL;
this->h = GLUI_DEFAULT_CONTROL_HEIGHT + 7;
glui->refresh();
}
/**************************** GLUI_Tree::mouse_down_handler() **********/
int GLUI_Tree::mouse_down_handler( int local_x, int local_y )
{
if ( local_y - y_abs > 18 ) {
initially_inside = currently_inside = false;
return false;
}
currently_inside = true;
initially_inside = true;
redraw();
return false;
}
/**************************** GLUI_Tree::mouse_held_down_handler() ****/
int GLUI_Tree::mouse_held_down_handler(
int local_x, int local_y,
bool new_inside )
{
if ( NOT initially_inside )
return false;
if ( local_y - y_abs> 18 )
new_inside = false;
if (currently_inside != new_inside)
redraw();
return false;
}
/**************************** GLUI_Tree::mouse_down_handler() **********/
int GLUI_Tree::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_Tree::draw() ***********/
void GLUI_Tree::draw( int x, int y )
{
GLUI_DRAWINGSENTINAL_IDIOM
int left, right, top, bottom, delta_x;
left = 5;
right = w-left;
top = 3;
bottom = 3+16;
delta_x = 0;
glui->draw_raised_box( left, top, 16, 16 );
if ( glui )
glColor3ubv(glui->bkgd_color);
glDisable( GL_CULL_FACE );
glBegin( GL_QUADS );
glVertex2i( left+17, top+1 ); glVertex2i( right-1, top+1 );
glVertex2i( right-1, bottom-1 ); glVertex2i( left+17, bottom-1 );
glEnd();
if (format & GLUI_TREEPANEL_DISPLAY_HIERARCHY) {
delta_x = string_width( level_name ) + char_width(' ');
glColor3f( lred, lgreen, lblue); /* The hierarchy is drawn in bold */
glRasterPos2i(left + 25, top + 11);
draw_string(level_name);
glRasterPos2i(left + 24, top + 11);
draw_string(level_name);
}
draw_name( delta_x+left+24, top+11 );
if ( active )
draw_active_box( left+22, delta_x+left+string_width( name )+32,
top, bottom-2 );
/** Draw '+' or '-' **/
glBegin( GL_LINES );
if ( is_open ) {
if ( enabled )
if (is_current)
glColor3f( 0, 0, 1 );
else
glColor3f( 0.0, 0.0, 0.0 );
else
glColor3f( 0.5, 0.5, 0.5 );
glVertex2i(left+4,(top+bottom)/2); glVertex2i(left+13,(top+bottom)/2);
glColor3f( 1.0, 1.0, 1.0 );
glVertex2i(left+4,1+(top+bottom)/2);glVertex2i(left+13,1+(top+bottom)/2);
}
else
{
glColor3f( 1.0, 1.0, 1.0 );
glVertex2i(left+9,top+3); glVertex2i(left+9,bottom-4);
glVertex2i(left+4,(top+bottom)/2); glVertex2i(left+13,(top+bottom)/2);
if ( enabled )
if (is_current)
glColor3f( 0, 0, 1 );
else
glColor3f( 0.0, 0.0, 0.0 );
else
glColor3f( 0.5, 0.5, 0.5 );
glVertex2i(left+4,-1+(top+bottom)/2);
glVertex2i(left+13,-1+(top+bottom)/2);
glVertex2i(left+8,top+3);
glVertex2i(left+8,bottom-4);
}
glEnd();
glLineWidth( 1.0 );
if (currently_inside) draw_pressed();
}
/***************************** GLUI_Tree::update_size() **********/
void GLUI_Tree::update_size()
{
int text_size = 0, delta_x = 0;
if ( NOT glui )
return;
text_size = string_width(name);
if (format & GLUI_TREEPANEL_DISPLAY_HIERARCHY) {
delta_x = string_width( level_name );
}
if ( w < text_size + 36 + delta_x)
w = text_size + 36 + delta_x;
}
/**************************** GLUI_Tree::draw_pressed() ***********/
void GLUI_Tree::draw_pressed()
{
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();
}