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448 lines
9.9 KiB
C++
448 lines
9.9 KiB
C++
/****************************************************************************
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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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This program is freely distributable without licensing fees and is
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provided without guarantee or warrantee expressed or implied. This
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program is -not- in the public domain.
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*****************************************************************************/
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#include "glui.h"
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#include "stdinc.h"
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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, int 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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int 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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int orig, name_x;
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if ( NOT can_draw() )
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return;
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orig = set_to_glut_window();
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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.string );
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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.string );
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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.bitmaps[GLUI_STDBITMAP_LISTBOX_UP].w-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.bitmaps[GLUI_STDBITMAP_LISTBOX_UP].w-1,
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2 );
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}
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restore_window(orig);
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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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int text_size, delta;
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int item_text_size;
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if ( NOT glui )
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return;
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text_size = string_width( name );
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/*** Find the longest item string ***/
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item_text_size = 0;
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delta = 0;
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if ( text_x_offset < text_size +2 )
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delta = text_size+2-text_x_offset;
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text_x_offset += delta;
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if ( w < text_x_offset+MAX(GLUI_EDITTEXT_MIN_TEXT_WIDTH,item_text_size)+20)
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w = text_x_offset + MAX( GLUI_EDITTEXT_MIN_TEXT_WIDTH,item_text_size)+20;
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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::draw_active_area() **************/
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void GLUI_Listbox::draw_active_area( void )
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{
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int orig;
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if ( NOT can_draw() )
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return;
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orig = set_to_glut_window();
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restore_window(orig);
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}
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/**************************************** GLUI_Listbox::add_item() **********/
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int GLUI_Listbox::add_item( int id, 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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strcpy( 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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/*** Check if we need to increase control size ***/
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if ( w < text_x_offset + MAX( GLUI_EDITTEXT_MIN_TEXT_WIDTH, string_width( new_text ) ) + 20 ) {
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w = text_x_offset + MAX( GLUI_EDITTEXT_MIN_TEXT_WIDTH, string_width( new_text ) ) + 20;
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if ( glui )
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glui->refresh();
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/* printf( "%s\n", new_text ); */
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}
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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( 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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node->unlink();
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delete node;
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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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/************************************** 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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node->unlink();
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delete node;
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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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/************************************** 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", (char*) name );
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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, (char*) item->text );
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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( 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 ( NOT strcmp( 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->type != GLUI_CONTROL_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, 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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strcpy( curr_text.string, sel_item->text.string );
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translate_and_draw_front();
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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, *tmp_item;
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item = (GLUI_Listbox_Item *) items_list.first_child();
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while( item ) {
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tmp_item = item;
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delete item;
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item = (GLUI_Listbox_Item *) tmp_item->next();
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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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/************************* GLUI_Listbox::increase_width( void ) ***********/
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void GLUI_Listbox::increase_width( void )
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{
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}
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