add glui library

2007-10-18 04:59:58 +00:00
parent 830c096e10
commit 8f7b132d23
41 changed files with 18525 additions and 0 deletions
--- a/Extras/glui/glui_button.cpp
+++ b/Extras/glui/glui_button.cpp
@@ -0,0 +1,186 @@
+/****************************************************************************
+  
+  GLUI User Interface Toolkit
+  ---------------------------
+
+     glui_button.cpp - GLUI_Button 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_Button::GLUI_Button() **********/
+
+GLUI_Button::GLUI_Button( GLUI_Node *parent, const char *name,
+                          int id, GLUI_CB cb )
+{
+  common_init();
+  user_id     = id;
+  callback    = cb;
+  set_name( name );
+  currently_inside = false; 
+  
+  parent->add_control( this );
+}
+
+
+/****************************** GLUI_Button::mouse_down_handler() **********/
+
+int    GLUI_Button::mouse_down_handler( int local_x, int local_y )
+{
+  int_val = 1;   /** A button always in unpressed before here, so
+		   now we invariably set it to 'depressed' **/
+
+  currently_inside = true;
+  redraw();
+
+  return false;
+}
+
+
+/****************************** GLUI_Button::mouse_up_handler() **********/
+
+int    GLUI_Button::mouse_up_handler( int local_x, int local_y, bool inside )
+{
+  set_int_val( 0 );   /** A button always turns off after you press it **/
+
+  currently_inside = false; 
+  redraw();
+
+  if ( inside ) { 
+    /*** Invoke the user's callback ***/
+    execute_callback();
+  }
+
+  return false;
+}
+
+
+/****************************** GLUI_Button::mouse_held_down_handler() ******/
+
+int    GLUI_Button::mouse_held_down_handler( int local_x, int local_y,
+					     bool new_inside)
+{
+  if (new_inside != currently_inside) {
+    currently_inside = new_inside;
+    redraw();
+  }
+  
+  return false;
+}
+
+
+/****************************** GLUI_Button::key_handler() **********/
+
+int    GLUI_Button::key_handler( unsigned char key,int modifiers )
+{
+  return false;
+}
+
+/********************************************** GLUI_Button::draw() **********/
+
+void    GLUI_Button::draw( int x, int y )
+{
+  if (currently_inside) draw_pressed();
+  else {
+    glui->draw_raised_box( 0, 0, w, h );
+    draw_text( 0 );
+  }
+}
+
+
+/************************************** GLUI_Button::draw_pressed() ******/
+
+void   GLUI_Button::draw_pressed( void )
+{
+  glColor3f( 0.0, 0.0, 0.0 );
+
+  draw_text( 1 );
+
+  glBegin( GL_LINE_LOOP );
+  glVertex2i( 0, 0 );         glVertex2i( w, 0 );
+  glVertex2i( w, h );         glVertex2i( 0, h );
+  glEnd();
+
+  glBegin( GL_LINE_LOOP );
+  glVertex2i( 1, 1 );         glVertex2i( w-1, 1 );
+  glVertex2i( w-1, h-1 );     glVertex2i( 1, h-1 );
+  glEnd();
+}
+
+
+/**************************************** GLUI_Button::draw_text() **********/
+
+void     GLUI_Button::draw_text( int sunken )
+{
+  int string_width;
+
+  glColor3ub( glui->bkgd_color.r, glui->bkgd_color.g, glui->bkgd_color.b );
+  glDisable( GL_CULL_FACE );
+  glBegin( GL_QUADS );
+  glVertex2i( 2, 2 );         glVertex2i( w-2, 2 );
+  glVertex2i( w-2, h-2 );     glVertex2i( 2, h-2 );
+  glEnd();
+
+  glColor3ub( 0,0,0 );
+  
+  string_width = _glutBitmapWidthString( glui->font,
+					 this->name.c_str() );
+  if ( NOT sunken ) {
+    draw_name( MAX((w-string_width),0)/2, 13);
+  }
+  else {
+    draw_name( MAX((w-string_width),0)/2 + 1, 13 + 1);
+  }
+
+  if ( active ) {
+    glEnable( GL_LINE_STIPPLE );
+    glLineStipple( 1, 0x5555 );
+    
+    glColor3f( 0., 0., 0. );
+    
+    glBegin( GL_LINE_LOOP );
+    glVertex2i( 3, 3 );         glVertex2i( w-3, 3 );
+    glVertex2i( w-3, h-3 );     glVertex2i( 3, h-3 );
+    glEnd();
+    
+    glDisable( GL_LINE_STIPPLE );
+  }
+}
+
+
+/************************************** GLUI_Button::update_size() **********/
+
+void   GLUI_Button::update_size( void )
+{
+  int text_size;
+
+  if ( NOT glui )
+    return;
+
+  text_size = string_width( name );
+
+  if ( w < text_size + 16 )
+    w = text_size + 16 ;
+}