fix: some file didn't have the svn:eol-style native yet
This commit is contained in:
erwin.coumans
@@ -1,448 +1,448 @@
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/****************************************************************************
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GLUI User Interface Toolkit
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---------------------------
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glui_listbox - GLUI_ListBox control class
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--------------------------------------------------
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Copyright (c) 1998 Paul Rademacher
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WWW: http://sourceforge.net/projects/glui/
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Forums: http://sourceforge.net/forum/?group_id=92496
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*****************************************************************************/
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#include "glui_internal_control.h"
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/****************************** GLUI_Listbox::GLUI_Listbox() **********/
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GLUI_Listbox::GLUI_Listbox( GLUI_Node *parent,
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const char *name, int *value_ptr,
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int id,
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GLUI_CB cb)
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{
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common_init();
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set_ptr_val( value_ptr );
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user_id = id;
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set_name( name );
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callback = cb;
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parent->add_control( this );
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init_live();
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}
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/****************************** GLUI_Listbox::mouse_down_handler() **********/
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int GLUI_Listbox::mouse_down_handler( int local_x, int local_y )
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{
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return false;
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}
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/****************************** GLUI_Listbox::mouse_up_handler() **********/
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int GLUI_Listbox::mouse_up_handler( int local_x, int local_y, bool inside )
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{
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return false;
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}
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/****************************** GLUI_Listbox::mouse_held_down_handler() ******/
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int GLUI_Listbox::mouse_held_down_handler( int local_x, int local_y,
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bool inside)
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{
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return false;
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}
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/****************************** GLUI_Listbox::key_handler() **********/
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int GLUI_Listbox::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_Listbox::draw() **********/
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void GLUI_Listbox::draw( int x, int y )
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{
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GLUI_DRAWINGSENTINAL_IDIOM
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int name_x;
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/* draw_active_area(); */
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name_x = MAX(text_x_offset - string_width(this->name) - 3,0);
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draw_name( name_x , 13);
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draw_box_inwards_outline( text_x_offset, w,
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0, h );
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if ( NOT active ) {
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draw_box( text_x_offset+3, w-2, 2, h-2, 1.0, 1.0, 1.0 );
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if ( NOT enabled )
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glColor3b( 32, 32, 32 );
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else
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glColor3f( 0.0, 0.0, 0.0 );
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glRasterPos2i( text_x_offset+5, 13 );
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draw_string( curr_text );
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}
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else {
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draw_box( text_x_offset+3, w-2, 2, h-2, .0, .0, .6 );
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glColor3f( 1.0, 1.0, 1.0 );
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glRasterPos2i( text_x_offset+5, 13 );
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draw_string( curr_text );
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}
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if ( enabled ) {
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glui->std_bitmaps.
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draw(GLUI_STDBITMAP_LISTBOX_UP,
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w-glui->std_bitmaps.width(GLUI_STDBITMAP_LISTBOX_UP)-1,
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2 );
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}
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else {
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glui->std_bitmaps.
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draw(GLUI_STDBITMAP_LISTBOX_UP_DIS,
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w-glui->std_bitmaps.width(GLUI_STDBITMAP_LISTBOX_UP)-1,
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2 );
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}
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}
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/************************************ GLUI_Listbox::update_si() **********/
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void GLUI_Listbox::update_size( void )
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{
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recalculate_item_width();
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}
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/********************************* GLUI_Listbox::set_int_val() **************/
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void GLUI_Listbox::set_int_val( int new_val )
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{
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/* int_val = new_val; */
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do_selection( new_val );
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/*** Update the variable we're (possibly) pointing to, and update the main gfx ***/
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output_live(true);
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}
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/**************************************** GLUI_Listbox::add_item() **********/
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int GLUI_Listbox::add_item( int id, const char *new_text )
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{
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GLUI_Listbox_Item *new_node = new GLUI_Listbox_Item;
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GLUI_Listbox_Item *head;
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new_node->text = new_text;
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new_node->id = id;
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head = (GLUI_Listbox_Item*) items_list.first_child();
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new_node->link_this_to_parent_last( &items_list );
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if ( head == NULL ) {
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/*** This is first item added ***/
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int_val = id+1; /** Different than id **/
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do_selection( id );
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last_live_int = id;
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if( glui )
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glui->post_update_main_gfx();
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}
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if (recalculate_item_width()) glui->refresh();
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return true;
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}
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/************************************** GLUI_Listbox::delete_item() **********/
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int GLUI_Listbox::delete_item( const char *text )
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{
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GLUI_Listbox_Item *node = get_item_ptr(text);
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if (node)
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{
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node->unlink();
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delete node;
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return true;
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}
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if (recalculate_item_width()) glui->refresh();
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return false;
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}
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/************************************** GLUI_Listbox::delete_item() **********/
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int GLUI_Listbox::delete_item(int id)
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{
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GLUI_Listbox_Item *node = get_item_ptr(id);
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if (node)
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{
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node->unlink();
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delete node;
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return true;
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}
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if (recalculate_item_width()) glui->refresh();
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return false;
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}
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/************************************** GLUI_Listbox::sort_items() **********/
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int GLUI_Listbox::sort_items( void )
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{
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return false;
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}
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/********************************************* GLUI_Listbox::dump() **********/
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void GLUI_Listbox::dump( FILE *output )
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{
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GLUI_Listbox_Item *item;
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/* printf( "%p\n", (char*) name ); */
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fprintf( output, "Listbox: %s\n", name.c_str() );
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item = (GLUI_Listbox_Item *) items_list.first_child();
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while( item ) {
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fprintf( output, " %3d : %s\n", item->id, item->text.c_str() );
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item = (GLUI_Listbox_Item *) item->next();
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}
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}
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/************************************ GLUI_Listbox::get_item_ptr() **********/
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GLUI_Listbox_Item *GLUI_Listbox::get_item_ptr( const char *text )
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{
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GLUI_Listbox_Item *item;
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item = (GLUI_Listbox_Item *) items_list.first_child();
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while( item ) {
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if ( item->text == text )
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return item;
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item = (GLUI_Listbox_Item *) item->next();
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}
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return NULL;
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}
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/************************************ GLUI_Listbox::get_item_ptr() **********/
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GLUI_Listbox_Item *GLUI_Listbox::get_item_ptr( int id )
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{
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GLUI_Listbox_Item *item;
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item = (GLUI_Listbox_Item *) items_list.first_child();
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while( item ) {
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if ( item->id == id )
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return item;
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item = (GLUI_Listbox_Item *) item->next();
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}
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return NULL;
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}
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/************************************ GLUI_Listbox::mouse_over() **********/
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static void listbox_callback( int i )
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{
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int old_val;
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if ( NOT GLUI_Master.curr_left_button_glut_menu OR
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!GLUI_Master.curr_left_button_glut_menu->dynamicCastGLUI_Listbox() )
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return;
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old_val = ((GLUI_Listbox*)GLUI_Master.curr_left_button_glut_menu)->int_val;
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((GLUI_Listbox*)GLUI_Master.curr_left_button_glut_menu)->set_int_val(i);
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/**** If value changed, execute callback ****/
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if ( old_val !=
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((GLUI_Listbox*)GLUI_Master.curr_left_button_glut_menu)->int_val ) {
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((GLUI_Listbox*)GLUI_Master.curr_left_button_glut_menu)->execute_callback();
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}
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}
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/*************************************** GLUI_Listbox::mouse_over() **********/
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int GLUI_Listbox::mouse_over( int state, int x, int y )
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{
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GLUI_Listbox_Item *item;
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/* printf( "x/y: %d/%d\n", x, y ); */
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if ( state AND enabled AND x > x_abs + text_x_offset) {
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/**** Build a GLUT menu for this listbox ***/
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/* printf( "%d %d\n", x, y ); */
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glut_menu_id = glutCreateMenu(listbox_callback);
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item = (GLUI_Listbox_Item *) items_list.first_child();
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while( item ) {
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glutAddMenuEntry( item->text.c_str(), item->id );
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item = (GLUI_Listbox_Item *) item->next();
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}
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glutAttachMenu( GLUT_LEFT_BUTTON);
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GLUI_Master.set_left_button_glut_menu_control( this );
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}
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else if ( glut_menu_id != -1 ) {
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/* printf( "OUT\n" ); */
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glutDetachMenu( GLUT_LEFT_BUTTON );
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glutDestroyMenu( glut_menu_id );
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glut_menu_id = -1;
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}
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return true;
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}
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/************************************ GLUI_Listbox::do_selection() **********/
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int GLUI_Listbox::do_selection( int item_num )
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{
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GLUI_Listbox_Item *item, *sel_item;
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/*** Is this item already selected? ***/
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if ( item_num == int_val )
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return false;
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sel_item = NULL;
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item = (GLUI_Listbox_Item *) items_list.first_child();
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while( item ) {
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if ( item->id == item_num ) {
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sel_item = item;
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break;
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}
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item = (GLUI_Listbox_Item *) item->next();
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}
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if ( NOT sel_item )
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return false;
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/* printf( "-> %s\n", (char*) sel_item->text ); */
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int_val = item_num;
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curr_text = sel_item->text;
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redraw();
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return true;
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}
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/*********************************** GLUI_Listbox::~GLUI_Listbox() **********/
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GLUI_Listbox::~GLUI_Listbox()
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{
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GLUI_Listbox_Item *item = (GLUI_Listbox_Item *) items_list.first_child();
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while (item)
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{
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GLUI_Listbox_Item *tmp = item;
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item = (GLUI_Listbox_Item *) item->next();
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delete tmp;
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}
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}
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/****************************** GLUI_Listbox::special_handler() **********/
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int GLUI_Listbox::special_handler( int key,int modifiers )
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{
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GLUI_Listbox_Item *node, *new_node;
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node = get_item_ptr( int_val );
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new_node = NULL;
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if ( key == GLUT_KEY_DOWN ) {
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new_node = (GLUI_Listbox_Item*) node->next();
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}
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else if ( key == GLUT_KEY_UP ) {
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new_node = (GLUI_Listbox_Item*) node->prev();
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}
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else if ( key == GLUT_KEY_HOME ) {
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new_node = (GLUI_Listbox_Item*) items_list.first_child();
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}
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else if ( key == GLUT_KEY_END ) {
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new_node = (GLUI_Listbox_Item*) items_list.last_child();
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}
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if ( new_node != NULL AND new_node != node ) {
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node = new_node;
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set_int_val( node->id );
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execute_callback();
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return true;
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}
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else {
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return false;
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}
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}
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||||
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/************************* GLUI_Listbox::recalculate_item_width( void ) ***********/
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/** Change w and return true if we need to be widened to fit the current items. */
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bool GLUI_Listbox::recalculate_item_width( void )
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{
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int item_text_size;
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if ( NOT glui )
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return false;
|
||||
|
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/* Find the title size */
|
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text_x_offset = string_width( name );
|
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/* Find the longest item string ***/
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item_text_size = 0;
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GLUI_Listbox_Item *item = (GLUI_Listbox_Item *) items_list.first_child();
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while( item ) {
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item_text_size = MAX(item_text_size,string_width(item->text));
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item = (GLUI_Listbox_Item *) item->next();
|
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}
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||||
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||||
/* Sum up our layout: name, item, and drop-down marker */
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int new_wid=text_x_offset+MAX(GLUI_EDITTEXT_MIN_TEXT_WIDTH,item_text_size)+20;
|
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if ( w != new_wid) {
|
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w = new_wid;
|
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return true; /* we gotta be shortened or widened */
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||||
}
|
||||
else {
|
||||
return false; /* our current width is OK */
|
||||
}
|
||||
}
|
||||
/****************************************************************************
|
||||
|
||||
GLUI User Interface Toolkit
|
||||
---------------------------
|
||||
|
||||
glui_listbox - GLUI_ListBox 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"
|
||||
|
||||
/****************************** GLUI_Listbox::GLUI_Listbox() **********/
|
||||
GLUI_Listbox::GLUI_Listbox( GLUI_Node *parent,
|
||||
const char *name, int *value_ptr,
|
||||
int id,
|
||||
GLUI_CB cb)
|
||||
{
|
||||
common_init();
|
||||
set_ptr_val( value_ptr );
|
||||
user_id = id;
|
||||
set_name( name );
|
||||
callback = cb;
|
||||
|
||||
parent->add_control( this );
|
||||
|
||||
init_live();
|
||||
}
|
||||
|
||||
|
||||
/****************************** GLUI_Listbox::mouse_down_handler() **********/
|
||||
|
||||
int GLUI_Listbox::mouse_down_handler( int local_x, int local_y )
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
/****************************** GLUI_Listbox::mouse_up_handler() **********/
|
||||
|
||||
int GLUI_Listbox::mouse_up_handler( int local_x, int local_y, bool inside )
|
||||
{
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
/****************************** GLUI_Listbox::mouse_held_down_handler() ******/
|
||||
|
||||
int GLUI_Listbox::mouse_held_down_handler( int local_x, int local_y,
|
||||
bool inside)
|
||||
{
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
/****************************** GLUI_Listbox::key_handler() **********/
|
||||
|
||||
int GLUI_Listbox::key_handler( unsigned char key,int modifiers )
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
/****************************** GLUI_Listbox::draw() **********/
|
||||
|
||||
void GLUI_Listbox::draw( int x, int y )
|
||||
{
|
||||
GLUI_DRAWINGSENTINAL_IDIOM
|
||||
int name_x;
|
||||
|
||||
/* draw_active_area(); */
|
||||
|
||||
name_x = MAX(text_x_offset - string_width(this->name) - 3,0);
|
||||
draw_name( name_x , 13);
|
||||
draw_box_inwards_outline( text_x_offset, w,
|
||||
0, h );
|
||||
|
||||
if ( NOT active ) {
|
||||
draw_box( text_x_offset+3, w-2, 2, h-2, 1.0, 1.0, 1.0 );
|
||||
if ( NOT enabled )
|
||||
glColor3b( 32, 32, 32 );
|
||||
else
|
||||
glColor3f( 0.0, 0.0, 0.0 );
|
||||
glRasterPos2i( text_x_offset+5, 13 );
|
||||
draw_string( curr_text );
|
||||
}
|
||||
else {
|
||||
draw_box( text_x_offset+3, w-2, 2, h-2, .0, .0, .6 );
|
||||
glColor3f( 1.0, 1.0, 1.0 );
|
||||
glRasterPos2i( text_x_offset+5, 13 );
|
||||
draw_string( curr_text );
|
||||
}
|
||||
|
||||
|
||||
if ( enabled ) {
|
||||
glui->std_bitmaps.
|
||||
draw(GLUI_STDBITMAP_LISTBOX_UP,
|
||||
w-glui->std_bitmaps.width(GLUI_STDBITMAP_LISTBOX_UP)-1,
|
||||
2 );
|
||||
}
|
||||
else {
|
||||
glui->std_bitmaps.
|
||||
draw(GLUI_STDBITMAP_LISTBOX_UP_DIS,
|
||||
w-glui->std_bitmaps.width(GLUI_STDBITMAP_LISTBOX_UP)-1,
|
||||
2 );
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/************************************ GLUI_Listbox::update_si() **********/
|
||||
void GLUI_Listbox::update_size( void )
|
||||
{
|
||||
recalculate_item_width();
|
||||
}
|
||||
|
||||
/********************************* GLUI_Listbox::set_int_val() **************/
|
||||
|
||||
void GLUI_Listbox::set_int_val( int new_val )
|
||||
{
|
||||
/* int_val = new_val; */
|
||||
|
||||
do_selection( new_val );
|
||||
|
||||
/*** Update the variable we're (possibly) pointing to, and update the main gfx ***/
|
||||
output_live(true);
|
||||
}
|
||||
|
||||
/**************************************** GLUI_Listbox::add_item() **********/
|
||||
|
||||
int GLUI_Listbox::add_item( int id, const char *new_text )
|
||||
{
|
||||
GLUI_Listbox_Item *new_node = new GLUI_Listbox_Item;
|
||||
GLUI_Listbox_Item *head;
|
||||
|
||||
new_node->text = new_text;
|
||||
new_node->id = id;
|
||||
|
||||
head = (GLUI_Listbox_Item*) items_list.first_child();
|
||||
new_node->link_this_to_parent_last( &items_list );
|
||||
|
||||
if ( head == NULL ) {
|
||||
/*** This is first item added ***/
|
||||
|
||||
int_val = id+1; /** Different than id **/
|
||||
do_selection( id );
|
||||
last_live_int = id;
|
||||
|
||||
if( glui )
|
||||
glui->post_update_main_gfx();
|
||||
}
|
||||
if (recalculate_item_width()) glui->refresh();
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
/************************************** GLUI_Listbox::delete_item() **********/
|
||||
|
||||
int GLUI_Listbox::delete_item( const char *text )
|
||||
{
|
||||
GLUI_Listbox_Item *node = get_item_ptr(text);
|
||||
|
||||
if (node)
|
||||
{
|
||||
node->unlink();
|
||||
delete node;
|
||||
return true;
|
||||
}
|
||||
if (recalculate_item_width()) glui->refresh();
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
/************************************** GLUI_Listbox::delete_item() **********/
|
||||
|
||||
int GLUI_Listbox::delete_item(int id)
|
||||
{
|
||||
GLUI_Listbox_Item *node = get_item_ptr(id);
|
||||
|
||||
if (node)
|
||||
{
|
||||
node->unlink();
|
||||
delete node;
|
||||
return true;
|
||||
}
|
||||
if (recalculate_item_width()) glui->refresh();
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
/************************************** GLUI_Listbox::sort_items() **********/
|
||||
|
||||
int GLUI_Listbox::sort_items( void )
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
/********************************************* GLUI_Listbox::dump() **********/
|
||||
|
||||
void GLUI_Listbox::dump( FILE *output )
|
||||
{
|
||||
GLUI_Listbox_Item *item;
|
||||
|
||||
/* printf( "%p\n", (char*) name ); */
|
||||
|
||||
fprintf( output, "Listbox: %s\n", name.c_str() );
|
||||
|
||||
item = (GLUI_Listbox_Item *) items_list.first_child();
|
||||
while( item ) {
|
||||
fprintf( output, " %3d : %s\n", item->id, item->text.c_str() );
|
||||
|
||||
item = (GLUI_Listbox_Item *) item->next();
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/************************************ GLUI_Listbox::get_item_ptr() **********/
|
||||
|
||||
GLUI_Listbox_Item *GLUI_Listbox::get_item_ptr( const char *text )
|
||||
{
|
||||
GLUI_Listbox_Item *item;
|
||||
|
||||
item = (GLUI_Listbox_Item *) items_list.first_child();
|
||||
while( item ) {
|
||||
if ( item->text == text )
|
||||
return item;
|
||||
|
||||
item = (GLUI_Listbox_Item *) item->next();
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
|
||||
/************************************ GLUI_Listbox::get_item_ptr() **********/
|
||||
|
||||
GLUI_Listbox_Item *GLUI_Listbox::get_item_ptr( int id )
|
||||
{
|
||||
GLUI_Listbox_Item *item;
|
||||
|
||||
item = (GLUI_Listbox_Item *) items_list.first_child();
|
||||
while( item ) {
|
||||
if ( item->id == id )
|
||||
return item;
|
||||
|
||||
item = (GLUI_Listbox_Item *) item->next();
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
|
||||
/************************************ GLUI_Listbox::mouse_over() **********/
|
||||
|
||||
static void listbox_callback( int i )
|
||||
{
|
||||
int old_val;
|
||||
|
||||
if ( NOT GLUI_Master.curr_left_button_glut_menu OR
|
||||
!GLUI_Master.curr_left_button_glut_menu->dynamicCastGLUI_Listbox() )
|
||||
return;
|
||||
|
||||
old_val = ((GLUI_Listbox*)GLUI_Master.curr_left_button_glut_menu)->int_val;
|
||||
((GLUI_Listbox*)GLUI_Master.curr_left_button_glut_menu)->set_int_val(i);
|
||||
|
||||
/**** If value changed, execute callback ****/
|
||||
if ( old_val !=
|
||||
((GLUI_Listbox*)GLUI_Master.curr_left_button_glut_menu)->int_val ) {
|
||||
((GLUI_Listbox*)GLUI_Master.curr_left_button_glut_menu)->execute_callback();
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/*************************************** GLUI_Listbox::mouse_over() **********/
|
||||
|
||||
int GLUI_Listbox::mouse_over( int state, int x, int y )
|
||||
{
|
||||
GLUI_Listbox_Item *item;
|
||||
|
||||
/* printf( "x/y: %d/%d\n", x, y ); */
|
||||
|
||||
if ( state AND enabled AND x > x_abs + text_x_offset) {
|
||||
/**** Build a GLUT menu for this listbox ***/
|
||||
|
||||
/* printf( "%d %d\n", x, y ); */
|
||||
|
||||
glut_menu_id = glutCreateMenu(listbox_callback);
|
||||
|
||||
item = (GLUI_Listbox_Item *) items_list.first_child();
|
||||
while( item ) {
|
||||
glutAddMenuEntry( item->text.c_str(), item->id );
|
||||
item = (GLUI_Listbox_Item *) item->next();
|
||||
}
|
||||
|
||||
glutAttachMenu( GLUT_LEFT_BUTTON);
|
||||
|
||||
GLUI_Master.set_left_button_glut_menu_control( this );
|
||||
}
|
||||
else if ( glut_menu_id != -1 ) {
|
||||
/* printf( "OUT\n" ); */
|
||||
glutDetachMenu( GLUT_LEFT_BUTTON );
|
||||
glutDestroyMenu( glut_menu_id );
|
||||
glut_menu_id = -1;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
/************************************ GLUI_Listbox::do_selection() **********/
|
||||
|
||||
int GLUI_Listbox::do_selection( int item_num )
|
||||
{
|
||||
GLUI_Listbox_Item *item, *sel_item;
|
||||
|
||||
/*** Is this item already selected? ***/
|
||||
if ( item_num == int_val )
|
||||
return false;
|
||||
|
||||
sel_item = NULL;
|
||||
item = (GLUI_Listbox_Item *) items_list.first_child();
|
||||
while( item ) {
|
||||
if ( item->id == item_num ) {
|
||||
sel_item = item;
|
||||
break;
|
||||
}
|
||||
|
||||
item = (GLUI_Listbox_Item *) item->next();
|
||||
}
|
||||
|
||||
if ( NOT sel_item )
|
||||
return false;
|
||||
|
||||
/* printf( "-> %s\n", (char*) sel_item->text ); */
|
||||
|
||||
int_val = item_num;
|
||||
curr_text = sel_item->text;
|
||||
redraw();
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
/*********************************** GLUI_Listbox::~GLUI_Listbox() **********/
|
||||
|
||||
GLUI_Listbox::~GLUI_Listbox()
|
||||
{
|
||||
GLUI_Listbox_Item *item = (GLUI_Listbox_Item *) items_list.first_child();
|
||||
|
||||
while (item)
|
||||
{
|
||||
GLUI_Listbox_Item *tmp = item;
|
||||
item = (GLUI_Listbox_Item *) item->next();
|
||||
delete tmp;
|
||||
}
|
||||
}
|
||||
|
||||
/****************************** GLUI_Listbox::special_handler() **********/
|
||||
|
||||
int GLUI_Listbox::special_handler( int key,int modifiers )
|
||||
{
|
||||
GLUI_Listbox_Item *node, *new_node;
|
||||
|
||||
node = get_item_ptr( int_val );
|
||||
new_node = NULL;
|
||||
|
||||
if ( key == GLUT_KEY_DOWN ) {
|
||||
new_node = (GLUI_Listbox_Item*) node->next();
|
||||
}
|
||||
else if ( key == GLUT_KEY_UP ) {
|
||||
new_node = (GLUI_Listbox_Item*) node->prev();
|
||||
}
|
||||
else if ( key == GLUT_KEY_HOME ) {
|
||||
new_node = (GLUI_Listbox_Item*) items_list.first_child();
|
||||
}
|
||||
else if ( key == GLUT_KEY_END ) {
|
||||
new_node = (GLUI_Listbox_Item*) items_list.last_child();
|
||||
}
|
||||
|
||||
if ( new_node != NULL AND new_node != node ) {
|
||||
node = new_node;
|
||||
set_int_val( node->id );
|
||||
execute_callback();
|
||||
return true;
|
||||
}
|
||||
else {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/************************* GLUI_Listbox::recalculate_item_width( void ) ***********/
|
||||
/** Change w and return true if we need to be widened to fit the current items. */
|
||||
bool GLUI_Listbox::recalculate_item_width( void )
|
||||
{
|
||||
int item_text_size;
|
||||
|
||||
if ( NOT glui )
|
||||
return false;
|
||||
|
||||
/* Find the title size */
|
||||
text_x_offset = string_width( name );
|
||||
|
||||
/* Find the longest item string ***/
|
||||
item_text_size = 0;
|
||||
|
||||
GLUI_Listbox_Item *item = (GLUI_Listbox_Item *) items_list.first_child();
|
||||
while( item ) {
|
||||
item_text_size = MAX(item_text_size,string_width(item->text));
|
||||
item = (GLUI_Listbox_Item *) item->next();
|
||||
}
|
||||
|
||||
/* Sum up our layout: name, item, and drop-down marker */
|
||||
int new_wid=text_x_offset+MAX(GLUI_EDITTEXT_MIN_TEXT_WIDTH,item_text_size)+20;
|
||||
if ( w != new_wid) {
|
||||
w = new_wid;
|
||||
return true; /* we gotta be shortened or widened */
|
||||
}
|
||||
else {
|
||||
return false; /* our current width is OK */
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user