add glui library
This commit is contained in:
ejcoumans
540
Extras/glui/glui_list.cpp
Normal file
540
Extras/glui/glui_list.cpp
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@@ -0,0 +1,540 @@
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/****************************************************************************
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GLUI User Interface Toolkit
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---------------------------
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glui_list.cpp - GLUI_List control class
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--------------------------------------------------
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Copyright (c) 2004 John Kew
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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_internal_control.h"
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#include <cmath>
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#include <sys/timeb.h>
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/****************************** GLUI_List::GLUI_List() **********/
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GLUI_List::GLUI_List( GLUI_Node *parent, bool scroll,
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int id, GLUI_CB callback
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/*,GLUI_Control *object
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GLUI_InterObject_CB obj_cb*/)
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{
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common_construct(parent, NULL, scroll, id, callback/*, object, obj_cb*/);
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}
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/****************************** GLUI_List::GLUI_List() **********/
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GLUI_List::GLUI_List( GLUI_Node *parent,
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GLUI_String& live_var, bool scroll,
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int id,
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GLUI_CB callback
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/* ,GLUI_Control *object
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,GLUI_InterObject_CB obj_cb*/ )
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{
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common_construct(parent, &live_var, scroll, id, callback/*, object, obj_cb*/);
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}
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/****************************** GLUI_List::common_construct() **********/
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void GLUI_List::common_construct(
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GLUI_Node *parent,
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GLUI_String* data, bool scroll,
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int id,
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GLUI_CB callback
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/*,GLUI_Control *object
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, GLUI_InterObject_CB obj_cb*/)
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{
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common_init();
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GLUI_Node *list_panel = parent;
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if (scroll) {
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GLUI_Panel *p = new GLUI_Panel(parent,"",GLUI_PANEL_NONE);
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p->x_off = 1;
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list_panel = p;
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}
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this->ptr_val = data;
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if (data) {
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this->live_type = GLUI_LIVE_STRING;
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}
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this->user_id = id;
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this->callback = callback;
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this->name = "list";
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list_panel->add_control( this );
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if (scroll)
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{
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new GLUI_Column(list_panel, false);
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scrollbar =
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new GLUI_Scrollbar(list_panel,
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"scrollbar",
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GLUI_SCROLL_VERTICAL,
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GLUI_SCROLL_INT);
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scrollbar->set_object_callback(GLUI_List::scrollbar_callback, this);
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scrollbar->set_alignment(GLUI_ALIGN_LEFT);
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// scrollbar->can_activate = false; //kills ability to mouse drag too
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}
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init_live();
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}
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/****************************** GLUI_List::mouse_down_handler() **********/
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int GLUI_List::mouse_down_handler( int local_x, int local_y )
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{
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int tmp_line;
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unsigned long int ms;
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timeb time;
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ftime(&time);
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ms = time.millitm + (time.time)*1000;
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tmp_line = find_line( local_x-x_abs, local_y-y_abs-5 );
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if ( tmp_line == -1 ) {
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if ( glui )
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glui->deactivate_current_control( );
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return false;
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}
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if (tmp_line < num_lines) {
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curr_line = tmp_line;
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if (scrollbar)
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scrollbar->set_int_val(curr_line);
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this->execute_callback();
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if (associated_object != NULL)
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if (cb_click_type == GLUI_SINGLE_CLICK) {
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if (obj_cb) {
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// obj_cb(associated_object, user_id);
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obj_cb(this);
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}
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} else {
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if (last_line == curr_line && (ms - last_click_time) < 300) {
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//obj_cb(associated_object, user_id);
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obj_cb(this);
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} else {
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last_click_time = ms;
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last_line = curr_line;
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}
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}
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if ( can_draw())
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update_and_draw_text();
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}
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return true;
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}
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/******************************** GLUI_List::mouse_up_handler() **********/
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int GLUI_List::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_List::mouse_held_down_handler() ******/
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int GLUI_List::mouse_held_down_handler( int local_x, int local_y,
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bool new_inside)
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{
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return false;
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}
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/****************************** GLUI_List::key_handler() **********/
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int GLUI_List::key_handler( unsigned char key,int modifiers )
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{
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draw_text_only = false; /** Well, hack is not yet working **/
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update_and_draw_text();
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draw_text_only = false;
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return true;
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}
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/****************************** GLUI_List::activate() **********/
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void GLUI_List::activate( int how )
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{
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// if ( debug )
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// dump( stdout, "-> ACTIVATE" );
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active = true;
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if ( how == GLUI_ACTIVATE_MOUSE )
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return; /* Don't select everything if activated with mouse */
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}
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/****************************** GLUI_List::deactivate() **********/
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void GLUI_List::deactivate( void )
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{
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active = false;
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redraw();
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}
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/****************************** GLUI_List::draw() **********/
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void GLUI_List::draw( int x, int y )
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{
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int line = 0;
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int box_width;
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GLUI_List_Item *item;
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GLUI_DRAWINGSENTINAL_IDIOM
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/* Bevelled Border */
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glBegin( GL_LINES );
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glColor3f( .5, .5, .5 );
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glVertex2i( 0, 0 ); glVertex2i( w, 0 );
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glVertex2i( 0, 0 ); glVertex2i( 0, h );
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glColor3f( 1., 1., 1. );
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glVertex2i( 0, h ); glVertex2i( w, h );
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glVertex2i( w, h ); glVertex2i( w, 0 );
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if ( enabled )
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glColor3f( 0., 0., 0. );
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else
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glColor3f( .25, .25, .25 );
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glVertex2i( 1, 1 ); glVertex2i( w-1, 1 );
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glVertex2i( 1, 1 ); glVertex2i( 1, h-1 );
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glColor3f( .75, .75, .75 );
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glVertex2i( 1, h-1 ); glVertex2i( w-1, h-1 );
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glVertex2i( w-1, h-1 ); glVertex2i( w-1, 1 );
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glEnd();
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/* Draw Background if enabled*/
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if (enabled) {
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glColor3f( 1., 1., 1. );
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glDisable( GL_CULL_FACE );
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glBegin( GL_QUADS );
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glVertex2i( 2, 2 ); glVertex2i( w-2, 2 );
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glVertex2i( w-2, h-2 ); glVertex2i(2, h-2 );
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glEnd();
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} else {
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glColor3f( .8, .8, .8 );
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glDisable( GL_CULL_FACE );
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glBegin( GL_QUADS );
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glVertex2i( 2, 2 ); glVertex2i( w-2, 2 );
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glVertex2i( w-2, h-2 ); glVertex2i(2, h-2 );
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glEnd();
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}
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/* Figure out how wide the box is */
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box_width = get_box_width();
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/* Figure out which lines are visible*/
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visible_lines = (int)(h-20)/15;
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item = (GLUI_List_Item *) items_list.first_child();
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line = 0;
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while (item) {
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if (line < start_line) {
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line++;
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item = (GLUI_List_Item *) item->next();
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continue;
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}
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if (line >= start_line && line <= (start_line+visible_lines)) {
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if (curr_line == line)
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draw_text(item->text.c_str(),1,0,(line - start_line)*15);
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else
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draw_text(item->text.c_str(),0,0,(line - start_line)*15);
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}
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line++;
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item = (GLUI_List_Item *) item->next();
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}
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if (scrollbar) {
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scrollbar->set_int_limits(MAX(0,num_lines-visible_lines), 0);
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glPushMatrix();
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glTranslatef(scrollbar->x_abs-x_abs, scrollbar->y_abs-y_abs,0.0);
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scrollbar->draw_scroll();
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glPopMatrix();
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}
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}
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/********************************* GLUI_List::draw_text() ****************/
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void GLUI_List::draw_text(const char *t, int selected, int x, int y )
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{
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int text_x, i, x_pos;
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int box_width;
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GLUI_DRAWINGSENTINAL_IDIOM
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/** Find where to draw the text **/
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text_x = 2 + GLUI_LIST_BOXINNERMARGINX;
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/** Draw selection area dark **/
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if ( enabled && selected ) {
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glColor3f( 0.0f, 0.0f, .6f );
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glBegin( GL_QUADS );
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glVertex2i(text_x, y+5 ); glVertex2i( w-text_x, y+5 );
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glVertex2i(w-text_x, y+19 ); glVertex2i(text_x, y+19 );
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glEnd();
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}
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box_width = get_box_width();
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if ( !selected || !enabled ) { /* No current selection */
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x_pos = text_x; /* or control disabled */
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if ( enabled )
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glColor3b( 0, 0, 0 );
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else
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glColor3b( 32, 32, 32 );
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glRasterPos2i( text_x, y+15);
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i = 0;
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while( t[i] != '\0' && substring_width(t,0,i) < box_width) {
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glutBitmapCharacter( get_font(), t[i] );
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x_pos += char_width( t[i] );
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i++;
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}
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}
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else { /* There is a selection */
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i = 0;
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x_pos = text_x;
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glColor3f( 1., 1., 1. );
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glRasterPos2i( text_x, y+15);
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while( t[i] != '\0' && substring_width(t,0,i) < box_width) {
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glutBitmapCharacter( get_font(), t[i] );
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x_pos += char_width( t[i] );
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i++;
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}
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}
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}
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int GLUI_List::find_line(int x, int y) {
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return start_line + ((int)(y/15));
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}
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int GLUI_List::get_box_width() {
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return MAX( this->w
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- 6 /* 2 * the two-line box border */
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- 2 * GLUI_LIST_BOXINNERMARGINX, 0 );
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}
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/******************************** GLUI_List::substring_width() *********/
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int GLUI_List::substring_width( const char *t, int start, int end )
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{
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int i, width;
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width = 0;
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for( i=start; i<=end; i++ )
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width += char_width( t[i] );
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return width;
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}
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/***************************** GLUI_List::update_and_draw_text() ********/
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void GLUI_List::update_and_draw_text( void )
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{
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if ( NOT can_draw() )
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return;
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//update_substring_bounds();
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/* printf( "ss: %d/%d\n", substring_start, substring_end ); */
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redraw();
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}
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/********************************* GLUI_List::special_handler() **********/
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int GLUI_List::special_handler( int key,int modifiers )
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{
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if ( NOT glui )
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return false;
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if ( key == GLUT_KEY_DOWN ) {
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if (curr_line < num_lines) {
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curr_line++;
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if (curr_line > start_line+visible_lines)
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start_line++;
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}
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} else if ( key == GLUT_KEY_UP ) {
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if (curr_line > 0) {
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curr_line--;
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if (curr_line < start_line)
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start_line--;
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}
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}
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if (scrollbar)
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scrollbar->set_int_val(curr_line);
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redraw();
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return true;
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}
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/************************************ GLUI_List::update_size() **********/
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void GLUI_List::update_size( void )
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{
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if ( NOT glui )
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return;
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if ( w < GLUI_LIST_MIN_TEXT_WIDTH )
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w = GLUI_LIST_MIN_TEXT_WIDTH;
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}
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/**************************************** GLUI_Listbox::add_item() **********/
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int GLUI_List::add_item( int id, const char *new_text )
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{
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GLUI_List_Item *new_node = new GLUI_List_Item;
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GLUI_List_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_List_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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num_lines++;
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if (scrollbar)
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scrollbar->set_int_limits(MAX(num_lines-visible_lines,0), 0);
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return true;
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}
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/************************************** GLUI_Listbox::delete_() **********/
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int GLUI_List::delete_all()
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{
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GLUI_List_Item *item;
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item = (GLUI_List_Item *) items_list.first_child();
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while( item ) {
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item->unlink();
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delete item;
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item = (GLUI_List_Item *) items_list.first_child();
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}
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num_lines = 0;
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curr_line = 0;
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return true;
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}
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/************************************** GLUI_Listbox::delete_item() **********/
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int GLUI_List::delete_item( const char *text )
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{
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GLUI_List_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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num_lines--;
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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_List::delete_item( int id )
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{
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GLUI_List_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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num_lines--;
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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::get_item_ptr() **********/
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GLUI_List_Item *GLUI_List::get_item_ptr( const char *text )
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{
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GLUI_List_Item *item;
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item = (GLUI_List_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_List_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_List_Item *GLUI_List::get_item_ptr( int id )
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{
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GLUI_List_Item *item;
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||||
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item = (GLUI_List_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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||||
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||||
item = (GLUI_List_Item *) item->next();
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}
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||||
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return NULL;
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}
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/**************************************** GLUI_List::mouse_over() ********/
|
||||
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int GLUI_List::mouse_over( int state, int x, int y )
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{
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||||
glutSetCursor( GLUT_CURSOR_LEFT_ARROW );
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||||
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return true;
|
||||
}
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||||
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void GLUI_List::scrollbar_callback(GLUI_Control *my_scrollbar) {
|
||||
GLUI_Scrollbar *sb = dynamic_cast<GLUI_Scrollbar*>(my_scrollbar);
|
||||
if (!sb) return;
|
||||
GLUI_List* me = (GLUI_List*) sb->associated_object;
|
||||
if (me->scrollbar == NULL)
|
||||
return;
|
||||
int new_start_line = sb->get_int_val(); // TODO!!
|
||||
me->start_line = new_start_line;
|
||||
|
||||
if ( me->can_draw() )
|
||||
me->update_and_draw_text();
|
||||
}
|
||||
Reference in New Issue
Block a user