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glui.cpp
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/****************************************************************************
GLUI User Interface Toolkit (LGPL)
---------------------------
glui.cpp
--------------------------------------------------
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"
/**
Note: moving this routine here from glui_add_controls.cpp prevents the linker
from touching glui_add_controls.o in non-deprecated programs, which
descreases the linked size of small GLUI programs substantially (100K+). (OSL 2006/06)
*/
void GLUI_Node::add_child_to_control(GLUI_Node *parent,GLUI_Control *child)
{
GLUI_Control *parent_control;
/*** Collapsible nodes have to be handled differently, b/c the first and
last children are swapped in and out ***/
parent_control = ((GLUI_Control*)parent);
if ( parent_control->collapsible == true ) {
if ( NOT parent_control->is_open ) {
/** Swap in the original first and last children **/
parent_control->child_head = parent_control->collapsed_node.child_head;
parent_control->child_tail = parent_control->collapsed_node.child_tail;
/*** Link this control ***/
child->link_this_to_parent_last( parent_control );
/** Swap the children back out ***/
parent_control->collapsed_node.child_head = parent_control->child_head;
parent_control->collapsed_node.child_tail = parent_control->child_tail;
parent_control->child_head = NULL;
parent_control->child_tail = NULL;
}
else {
child->link_this_to_parent_last( parent_control );
}
}
else {
child->link_this_to_parent_last( parent_control );
}
child->glui = (GLUI*) parent_control->glui;
child->update_size();
child->enabled = parent_control->enabled;
child->glui->refresh();
/** Now set the 'hidden' var based on the parent **/
if ( parent_control->hidden OR
(parent_control->collapsible AND NOT parent_control->is_open ) )
{
child->hidden = true;
}
}
/************************************ GLUI_Node::add_control() **************/
int GLUI_Node::add_control( GLUI_Control *child )
{
add_child_to_control(this,child);
return true;
}
/************************************ GLUI_Main::add_control() **************/
int GLUI_Main::add_control( GLUI_Node *parent, GLUI_Control *control )
{
add_child_to_control(parent,control);
return true;
}
/*** This object must be used to create a GLUI ***/
GLUI_Master_Object GLUI_Master;
/************************************ finish_drawing() ***********
Probably a silly routine. Called after all event handling callbacks.
*/
static void finish_drawing(void)
{
glFinish();
}
/************************************ GLUI_CB::operator()() ************/
void GLUI_CB::operator()(GLUI_Control*ctrl) const
{
if (idCB) idCB(ctrl->user_id);
if (objCB) objCB(ctrl);
}
/************************************************ GLUI::GLUI() **********/
int GLUI::init( const char *text, long flags, int x, int y, int parent_window )
{
int old_glut_window;
this->flags = flags;
window_name = text;
buffer_mode = buffer_back; ///< New smooth way
//buffer_mode = buffer_front; ///< Old flickery way (a bit faster).
/*** We copy over the current window callthroughs ***/
/*** (I think this might actually only be needed for subwindows) ***/
/* glut_keyboard_CB = GLUI_Master.glut_keyboard_CB;
glut_reshape_CB = GLUI_Master.glut_reshape_CB;
glut_special_CB = GLUI_Master.glut_special_CB;
glut_mouse_CB = GLUI_Master.glut_mouse_CB;*/
if ( (flags & GLUI_SUBWINDOW) != GLUI_SUBWINDOW ) { /* not a subwindow, creating a new top-level window */
old_glut_window = glutGetWindow();
create_standalone_window( window_name.c_str(), x, y );
setup_default_glut_callbacks();
if ( old_glut_window > 0 )
glutSetWindow( old_glut_window );
top_level_glut_window_id = glut_window_id;
}
else /* *is* a subwindow */
{
old_glut_window = glutGetWindow();
create_subwindow( parent_window, flags );
setup_default_glut_callbacks();
if ( old_glut_window > 0 )
glutSetWindow( old_glut_window );
top_level_glut_window_id = parent_window;
/*
glutReshapeFunc( glui_parent_window_reshape_func );
glutSpecialFunc( glui_parent_window_special_func );
glutKeyboardFunc( glui_parent_window_keyboard_func );
glutMouseFunc( glui_parent_window_mouse_func );
*/
}
return true;
}
/**************************** GLUI_Main::create_standalone_window() ********/
void GLUI_Main::create_standalone_window( const char *name, int x, int y )
{
glutInitWindowSize( 100, 100 );
if ( x >= 0 OR y >= 0 )
glutInitWindowPosition( x, y );
glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
glut_window_id = glutCreateWindow( name );
}
/******************************** GLUI_Main::create_subwindow() **********/
void GLUI_Main::create_subwindow( int parent_window, int window_alignment )
{
glut_window_id = glutCreateSubWindow(parent_window, 0,0, 100, 100);
this->parent_window = parent_window;
}
/**************************** GLUI_Main::setup_default_glut_callbacks() *****/
void GLUI_Main::setup_default_glut_callbacks( void )
{
glutDisplayFunc( glui_display_func );
glutReshapeFunc( glui_reshape_func );
glutKeyboardFunc( glui_keyboard_func );
glutSpecialFunc( glui_special_func );
glutMouseFunc( glui_mouse_func );
glutMotionFunc( glui_motion_func );
glutPassiveMotionFunc( glui_passive_motion_func );
glutEntryFunc( glui_entry_func );
glutVisibilityFunc( glui_visibility_func );
/* glutIdleFunc( glui_idle_func ); // FIXME! 100% CPU usage! */
}
/********************************************** glui_display_func() ********/
void glui_display_func(void)
{
GLUI *glui;
/* printf( "display func\n" ); */
glui = GLUI_Master.find_glui_by_window_id( glutGetWindow() );
if ( glui ) {
glui->display();
/*
Do not do anything after the above line, b/c the GLUI
window might have just closed itself
*/
}
}
/********************************************** glui_reshape_func() ********/
void glui_reshape_func(int w,int h )
{
GLUI *glui;
GLUI_Glut_Window *glut_window;
int current_window;
/*printf( "glui_reshape_func(): %d w/h: %d/%d\n", glutGetWindow(), w, h ); */
current_window = glutGetWindow();
/*** First check if this is main glut window ***/
glut_window = GLUI_Master.find_glut_window( current_window );
if ( glut_window ) {
if (glut_window->glut_reshape_CB) glut_window->glut_reshape_CB(w,h);
/*** Now send reshape events to all subwindows ***/
glui = (GLUI*) GLUI_Master.gluis.first_child();
while(glui) {
if ( TEST_AND( glui->flags, GLUI_SUBWINDOW) AND
glui->parent_window == current_window ) {
glutSetWindow( glui->get_glut_window_id());
glui->reshape(w,h);
/* glui->check_subwindow_position(); */
}
glui = (GLUI*) glui->next();
}
}
else {
/*** A standalone GLUI window ***/
glui = GLUI_Master.find_glui_by_window_id( current_window );
if ( glui ) {
glui->reshape(w,h);
}
}
}
/********************************************** glui_keyboard_func() ********/
void glui_keyboard_func(unsigned char key, int x, int y)
{
GLUI *glui;
int current_window;
GLUI_Glut_Window *glut_window;
current_window = glutGetWindow();
glut_window = GLUI_Master.find_glut_window( current_window );
/*printf( "key: %d\n", current_window ); */
if ( glut_window ) { /** Was event in a GLUT window? **/
if ( GLUI_Master.active_control_glui AND GLUI_Master.active_control ) {
glutSetWindow( GLUI_Master.active_control_glui->get_glut_window_id() );
GLUI_Master.active_control_glui->keyboard(key,x,y);
finish_drawing();
glutSetWindow( current_window );
}
else {
if (glut_window->glut_keyboard_CB)
glut_window->glut_keyboard_CB( key, x, y );
}
}
else { /*** Nope, event was in a standalone GLUI window **/
glui = GLUI_Master.find_glui_by_window_id( glutGetWindow() );
if ( glui ) {
glui->keyboard(key,x,y);
finish_drawing();
}
}
}
/************************************************ glui_special_func() ********/
void glui_special_func(int key, int x, int y)
{
GLUI *glui;
int current_window;
GLUI_Glut_Window *glut_window;
current_window = glutGetWindow();
glut_window = GLUI_Master.find_glut_window( current_window );
if (glut_window) /** Was event in a GLUT window? **/
{
if ( GLUI_Master.active_control_glui AND GLUI_Master.active_control )
{
glutSetWindow( GLUI_Master.active_control_glui->get_glut_window_id() );
GLUI_Master.active_control_glui->special(key,x,y);
finish_drawing();
glutSetWindow( current_window );
}
else
{
if (glut_window->glut_special_CB)
glut_window->glut_special_CB( key, x, y );
}
}
else /*** Nope, event was in a standalone GLUI window **/
{
glui = GLUI_Master.find_glui_by_window_id(glutGetWindow());
if ( glui )
{
glui->special(key,x,y);
finish_drawing();
}
}
}
/********************************************** glui_mouse_func() ********/
void glui_mouse_func(int button, int state, int x, int y)
{
GLUI *glui;
int current_window;
GLUI_Glut_Window *glut_window;
current_window = glutGetWindow();
glut_window = GLUI_Master.find_glut_window( current_window );
if ( glut_window ) { /** Was event in a GLUT window? **/
if ( GLUI_Master.active_control_glui != NULL )
GLUI_Master.active_control_glui->deactivate_current_control();
if (glut_window->glut_mouse_CB)
glut_window->glut_mouse_CB( button, state, x, y );
finish_drawing();
}
else { /** Nope - event was in a GLUI standalone window **/
glui = GLUI_Master.find_glui_by_window_id( glutGetWindow() );
if ( glui ) {
glui->passive_motion( 0,0 );
glui->mouse( button, state, x, y );
finish_drawing();
}
}
}
/********************************************** glui_motion_func() ********/
void glui_motion_func(int x, int y)
{
GLUI *glui;
glui = GLUI_Master.find_glui_by_window_id( glutGetWindow() );
if ( glui ) {
glui->motion(x,y);
finish_drawing();
}
}
/**************************************** glui_passive_motion_func() ********/
void glui_passive_motion_func(int x, int y)
{
GLUI *glui;
glui = GLUI_Master.find_glui_by_window_id( glutGetWindow() );
if ( glui ) {
glui->passive_motion(x,y);
finish_drawing();
}
}
/********************************************** glui_entry_func() ********/
void glui_entry_func(int state)
{
GLUI *glui;
glui = GLUI_Master.find_glui_by_window_id( glutGetWindow() );
if ( glui ) {
glui->entry(state);
}
}
/******************************************** glui_visibility_func() ********/
void glui_visibility_func(int state)
{
GLUI *glui;
/* printf( "IN GLUI VISIBILITY()\n" ); */
/* fflush( stdout ); */
glui = GLUI_Master.find_glui_by_window_id( glutGetWindow() );
if ( glui ) {
glui->visibility(state);
}
}
/********************************************** glui_idle_func() ********/
/* Send idle event to each glui, then to the main window */
void glui_idle_func(void)
{
GLUI *glui;
glui = (GLUI*) GLUI_Master.gluis.first_child();
while( glui ) {
glui->idle();
finish_drawing();
glui = (GLUI*) glui->next();
}
if ( GLUI_Master.glut_idle_CB ) {
/*** We set the current glut window before calling the user's
idle function, even though glut explicitly says the window id is
undefined in an idle callback. ***/
/** Check what the current window is first ***/
/*** Arbitrarily set the window id to the main gfx window of the
first glui window ***/
/* int current_window, new_window; */
/* current_window = glutGetWindow(); */
/* if (GLUI_Master.gluis.first_child() != NULL ) { */
/* new_window = ((GLUI_Main*)GLUI_Master.gluis.first_child())-> */
/* main_gfx_window_id; */
/* if ( new_window > 0 AND new_window != old_window ) { */
/* --- Window is changed only if its not already the current window ---*/
/* glutSetWindow( new_window ); */
/* } */
/*} */
GLUI_Master.glut_idle_CB();
}
}
/*********************************** GLUI_Master_Object::GLUI_Master_Object() ******/
GLUI_Master_Object::GLUI_Master_Object()
: glui_id_counter(1),
glut_idle_CB(NULL)
{
}
GLUI_Master_Object::~GLUI_Master_Object()
{
}
/*********************************** GLUI_Master_Object::create_glui() ******/
GLUI *GLUI_Master_Object::create_glui( const char *name, long flags,int x,int y )
{
GLUI *new_glui = new GLUI;
new_glui->init( name, flags, x, y, -1 );
new_glui->link_this_to_parent_last( &this->gluis );
return new_glui;
}
/************************** GLUI_Master_Object::create_glui_subwindow() ******/
GLUI *GLUI_Master_Object::create_glui_subwindow( int parent_window,
long flags )
{
GLUI *new_glui = new GLUI;
GLUI_String new_name;
glui_format_str( new_name, "subwin_%p", this );
new_glui->init( new_name.c_str(), flags | GLUI_SUBWINDOW, 0,0,
parent_window );
new_glui->main_panel->set_int_val( GLUI_PANEL_EMBOSSED );
new_glui->link_this_to_parent_last( &this->gluis );
return new_glui;
}
/********************** GLUI_Master_Object::find_glui_by_window_id() ********/
GLUI *GLUI_Master_Object::find_glui_by_window_id( int window_id )
{
GLUI_Node *node;
node = gluis.first_child();
while( node ) {
if ( ((GLUI*)node)->get_glut_window_id() == window_id )
return (GLUI*) node;
node = node->next();
}
return NULL;
}
/******************************************** GLUI_Main::display() **********/
void GLUI_Main::display( void )
{
int win_w, win_h;
/* SUBTLE: on freeGLUT, the correct window is always already set.
But older versions of GLUT need this call, or else subwindows
don't update properly when resizing or damage-painting.
*/
glutSetWindow( glut_window_id );
/* Set up OpenGL state for widget drawing */
glDisable( GL_DEPTH_TEST );
glCullFace( GL_BACK );
glDisable( GL_CULL_FACE );
glDisable( GL_LIGHTING );
set_current_draw_buffer();
/**** This function is used as a special place to do 'safe' processing,
e.g., handling window close requests.
That is, we can't close the window directly in the callback, so
we set a flag, post a redisplay message (which eventually calls
this function), then close the window safely in here. ****/
if ( closing ) {
close_internal();
return;
}
/* if ( TEST_AND( this->flags, GLUI_SUBWINDOW ))
check_subwindow_position();
*/
win_w = glutGet( GLUT_WINDOW_WIDTH );
win_h = glutGet( GLUT_WINDOW_HEIGHT );
/*** Check here if the window needs resizing ***/
if ( win_w != main_panel->w OR win_h != main_panel->h ) {
glutReshapeWindow( main_panel->w, main_panel->h );
return;
}
/******* Draw GLUI window ******/
glClearColor( (float) bkgd_color.r / 255.0,
(float) bkgd_color.g / 255.0,
(float) bkgd_color.b / 255.0,
1.0 );
glClear( GL_COLOR_BUFFER_BIT ); /* | GL_DEPTH_BUFFER_BIT ); */
set_ortho_projection();
glMatrixMode( GL_MODELVIEW );
glLoadIdentity();
/*** Rotate image so y increases downward.
In normal OpenGL, y increases upward. ***/
glTranslatef( (float) win_w/2.0, (float) win_h/2.0, 0.0 );
glRotatef( 180.0, 0.0, 1.0, 0.0 );
glRotatef( 180.0, 0.0, 0.0, 1.0 );
glTranslatef( (float) -win_w/2.0, (float) -win_h/2.0, 0.0 );
// Recursively draw the main panel
// main_panel->draw_bkgd_box( 0, 0, win_w, win_h );
main_panel->draw_recursive( 0, 0 );
switch (buffer_mode) {
case buffer_front: /* Make sure drawing gets to screen */
glFlush();
break;
case buffer_back: /* Bring back buffer to front */
glutSwapBuffers();
break;
}
}
/*************************************** _glutBitmapWidthString() **********/
int _glutBitmapWidthString( void *font, const char *s )
{
const char *p = s;
int width = 0;
while( *p != '\0' ) {
width += glutBitmapWidth( font, *p );
p++;
}
return width;
}
/************************************ _glutBitmapString *********************/
/* Displays the contents of a string using GLUT's bitmap character function */
/* Does not handle newlines */
void _glutBitmapString( void *font, const char *s )
{
const char *p = s;
while( *p != '\0' ) {
glutBitmapCharacter( font, *p );
p++;
}
}
/****************************** GLUI_Main::reshape() **************/
void GLUI_Main::reshape( int reshape_w, int reshape_h )
{
int new_w, new_h;
pack_controls();
new_w = main_panel->w;/* + 1; */
new_h = main_panel->h;/* + 1; */
if ( reshape_w != new_w OR reshape_h != new_h ) {
this->w = new_w;
this->h = new_h;
glutReshapeWindow( new_w, new_h );
}
else {
}
if ( TEST_AND( this->flags, GLUI_SUBWINDOW ) ) {
check_subwindow_position();
/***** if ( TEST_AND(this->flags,GLUI_SUBWINDOW_LEFT )) {
}
else if ( TEST_AND(this->flags,GLUI_SUBWINDOW_LEFT )) {
}
else if ( TEST_AND(this->flags,GLUI_SUBWINDOW_LEFT )) {
}
else if ( TEST_AND(this->flags,GLUI_SUBWINDOW_RIGHT )) {
}
****/
}
glViewport( 0, 0, new_w, new_h );
/* printf( "%d: %d\n", glutGetWindow(), this->flags ); */
glutPostRedisplay();
}
/****************************** GLUI_Main::keyboard() **************/
void GLUI_Main::keyboard(unsigned char key, int x, int y)
{
GLUI_Control *new_control;
curr_modifiers = glutGetModifiers();
/*** If it's a tab or shift tab, we don't pass it on to the controls.
Instead, we use it to cycle through active controls ***/
if ( key == '\t' AND !mouse_button_down AND
(!active_control || !active_control->wants_tabs())) {
if ( curr_modifiers & GLUT_ACTIVE_SHIFT ) {
new_control = find_prev_control( active_control );
}
else {
new_control = find_next_control( active_control );
}
/* if ( new_control )
printf( "new_control: %s\n", new_control->name );
*/
deactivate_current_control();
activate_control( new_control, GLUI_ACTIVATE_TAB );
}
else if ( key == ' ' AND active_control
AND active_control->spacebar_mouse_click ) {
/*** If the user presses the spacebar, and a non-edittext control
is active, we send it a mouse down event followed by a mouse up
event (simulated mouse-click) ***/
active_control->mouse_down_handler( 0, 0 );
active_control->mouse_up_handler( 0, 0, true );
} else {
/*** Pass the keystroke onto the active control, if any ***/
if ( active_control != NULL )
active_control->key_handler( key, curr_modifiers );
}
}
/****************************** GLUI_Main::special() **************/
void GLUI_Main::special(int key, int x, int y)
{
curr_modifiers = glutGetModifiers();
/*** Pass the keystroke onto the active control, if any ***/
if ( active_control != NULL )
active_control->special_handler( key, glutGetModifiers() );
}
/****************************** GLUI_Main::mouse() **************/
void GLUI_Main::mouse(int button, int state, int x, int y)
{
int callthrough;
GLUI_Control *control;
/* printf( "MOUSE: %d %d\n", button, state ); */
callthrough = true;
curr_modifiers = glutGetModifiers();
if ( button == GLUT_LEFT ) {
control = find_control( x, y );
/*if ( control ) printf( "control: %s\n", control->name.c_str() ); */
if ( mouse_button_down AND active_control != NULL AND
state == GLUT_UP )
{
/** We just released the mouse, which was depressed at some control **/
callthrough = active_control->
mouse_up_handler( x, y, control==active_control);
glutSetCursor( GLUT_CURSOR_LEFT_ARROW );
if ( active_control AND
active_control->active_type == GLUI_CONTROL_ACTIVE_MOUSEDOWN AND 0)
{
/*** This is a control that needs to be deactivated when the
mouse button is released ****/
deactivate_current_control();
}
}
else {
if ( control ) {
if ( NOT mouse_button_down AND state == GLUT_DOWN ) {
/*** We just pressed the mouse down at some control ***/
if ( active_control != control ) {
if ( active_control != NULL ) {
/** There is an active control still - deactivate it ***/
deactivate_current_control();
}
}
if ( control->enabled ) {
activate_control( control, GLUI_ACTIVATE_MOUSE );
callthrough = control->mouse_down_handler( x, y );
}
}
}
}
if ( state == GLUT_DOWN )
mouse_button_down = true;
else if ( state == GLUT_UP )
mouse_button_down = false;
}
/**
NO CALLTHROUGH NEEDED FOR MOUSE EVENTS
if ( callthrough AND glut_mouse_CB )
glut_mouse_CB( button, state, x, y );
**/
callthrough=callthrough; /* To get rid of compiler warnings */
}
/****************************** GLUI_Main::motion() **************/
void GLUI_Main::motion(int x, int y)
{
int callthrough;
GLUI_Control *control;
/* printf( "MOTION: %d %d\n", x, y ); */
callthrough = true;
control = find_control(x,y);
if ( mouse_button_down AND active_control != NULL ) {
callthrough =
active_control->mouse_held_down_handler(x,y,control==active_control);
}
/**
NO CALLTHROUGH NEEDED FOR MOUSE EVENTS
if ( callthrough AND glut_motion_CB )
glut_motion_CB(x,y);
**/
callthrough=callthrough; /* To get rid of compiler warnings */
}
/*********************** GLUI_Main::passive_motion() **************/
void GLUI_Main::passive_motion(int x, int y)
{
GLUI_Control *control;
control = find_control( x, y );
/* printf( "%p %p\n", control, mouse_over_control ); */
if ( control != mouse_over_control ) {
if ( mouse_over_control ) {
mouse_over_control->mouse_over( false, x, y );
}
if ( control ) {
control->mouse_over( true, x, y );
mouse_over_control = control;
}
}
/*
if ( curr_cursor != GLUT_CURSOR_INHERIT ) {
curr_cursor = GLUT_CURSOR_INHERIT;
glutSetCursor( GLUT_CURSOR_INHERIT );
}*/
}
/****************************** GLUI_Main::entry() **************/
void GLUI_Main::entry(int state)
{
/*if ( NOT active_control OR ( active_control AND ( active_control->type == GLUI_CONTROL_EDITTEXT
OR active_control->type == GLUI_CONTROL_SPINNER) ) )*/
glutSetCursor( GLUT_CURSOR_LEFT_ARROW );
}
/****************************** GLUI_Main::visibility() **************/
void GLUI_Main::visibility(int state)
{
}
/****************************** GLUI_Main::idle() **************/
void GLUI_Main::idle(void)
{
/*** Pass the idle event onto the active control, if any ***/
/* printf( "IDLE \t" ); */
if ( active_control != NULL ) {
/* First we check if the control actually needs the idle right now.
Otherwise, let's avoid wasting cycles and OpenGL context switching */
if ( active_control->needs_idle() ) {
/*** Set the current glut window to the glui window */
/*** But don't change the window if we're already at that window ***/
if ( glut_window_id > 0 AND glutGetWindow() != glut_window_id ) {
glutSetWindow( glut_window_id );
}
active_control->idle();
}
}
}
int GLUI_Main::needs_idle( void )
{
return active_control != NULL && active_control->needs_idle();
}
/******************************************* GLUI_Main::find_control() ******/
GLUI_Control *GLUI_Main::find_control( int x, int y )
{
GLUI_Control *node, *last_container;
last_container = NULL;
node = main_panel;
while( node != NULL ) {
if ( !dynamic_cast<GLUI_Column*>(node) AND
PT_IN_BOX( x, y,
node->x_abs, node->x_abs + node->w,
node->y_abs, node->y_abs + node->h )
)
{
/*** Point is inside current node ***/
if ( node->first_child() == NULL ) {
/*** SPECIAL CASE: for edittext boxes, we make sure click is
in box, and not on name string. This should be generalized
for all controls later... ***/
if ( dynamic_cast<GLUI_EditText*>(node) ) {
if ( x < node->x_abs + ((GLUI_EditText*)node)->text_x_offset )
return (GLUI_Control*) node->parent();
}
return node; /* point is inside this node, and node has no children,
so return this node as the selected node */
}
else {
/*** This is a container class ***/
last_container = node;
node = (GLUI_Control*) node->first_child(); /* Descend into child */
}
}
else {
node = (GLUI_Control*) node->next();
}
}
/** No leaf-level nodes found to accept the mouse click, so
return the last container control found which DOES accept the click **/
if ( last_container ) {
/* printf( "ctrl: '%s'\n", last_container->name ); */
return last_container;
}
else {
return NULL;
}
}
/************************************* GLUI_Main::pack_controls() ***********/
void GLUI_Main::pack_controls( void )
{
main_panel->pack(0,0);
/**** Now align controls within their bounds ****/
align_controls( main_panel );
/*** If this is a subwindow, expand panel to fit parent window ***/
if ( TEST_AND( this->flags, GLUI_SUBWINDOW ) ) {
int parent_h, parent_w;
int orig_window;
orig_window = glutGetWindow();
glutSetWindow( this->top_level_glut_window_id );
parent_h = glutGet( GLUT_WINDOW_HEIGHT );
parent_w = glutGet( GLUT_WINDOW_WIDTH );
glutSetWindow( orig_window );