189 lines
4.7 KiB
C++
189 lines
4.7 KiB
C++
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/****************************************************************************
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GLUI User Interface Toolkit (LGPL)
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---------------------------
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glui_checkbox - GLUI_Checkbox 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_Checkbox::GLUI_Checkbox() **********/
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GLUI_Checkbox::GLUI_Checkbox( 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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set_name( name );
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user_id = id;
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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_Checkbox::mouse_down_handler() **********/
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int GLUI_Checkbox::mouse_down_handler( int local_x, int local_y )
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{
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orig_value = int_val;
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int_val = !int_val;
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currently_inside = true;
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redraw();
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return false;
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}
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/****************************** GLUI_Checkbox::mouse_up_handler() **********/
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int GLUI_Checkbox::mouse_up_handler( int local_x, int local_y, bool inside )
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{
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if ( NOT inside ) { /* undo effect on value */
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int_val = orig_value;
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}
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else {
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set_int_val( int_val );
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/*** Invoke the callback ***/
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execute_callback();
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}
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return false;
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}
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/****************************** GLUI_Checkbox::mouse_held_down_handler() ******/
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int GLUI_Checkbox::mouse_held_down_handler( int local_x, int local_y,
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bool inside)
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{
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/********** Toggle checked and unchecked bitmap if we're entering or
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leaving the checkbox area **********/
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if ( inside != currently_inside ) {
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int_val = !int_val;
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currently_inside = inside;
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redraw();
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}
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return false;
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}
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/****************************** GLUI_Checkbox::key_handler() **********/
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int GLUI_Checkbox::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_Checkbox::draw() **********/
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void GLUI_Checkbox::draw( int x, int y )
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{
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GLUI_DRAWINGSENTINAL_IDIOM
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if ( int_val != 0 ) {
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if ( enabled )
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glui->std_bitmaps.draw( GLUI_STDBITMAP_CHECKBOX_ON, 0, 0 );
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else
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glui->std_bitmaps.draw( GLUI_STDBITMAP_CHECKBOX_ON_DIS, 0, 0 );
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}
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else {
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if ( enabled )
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glui->std_bitmaps.draw( GLUI_STDBITMAP_CHECKBOX_OFF, 0, 0 );
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else
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glui->std_bitmaps.draw( GLUI_STDBITMAP_CHECKBOX_OFF_DIS, 0, 0 );
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}
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draw_active_area();
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draw_name( text_x_offset, 10);
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}
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/**************************** GLUI_Checkbox::draw_active_area() **************/
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void GLUI_Checkbox::draw_active_area( void )
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{
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GLUI_DRAWINGSENTINAL_IDIOM
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int text_width, left, right;
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text_width = _glutBitmapWidthString( glui->font, name.c_str() );
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left = text_x_offset-3;
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right = left + 7 + text_width;
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if ( active ) {
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glEnable( GL_LINE_STIPPLE );
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glLineStipple( 1, 0x5555 );
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glColor3f( 0., 0., 0. );
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} else {
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glColor3ub( glui->bkgd_color.r, glui->bkgd_color.g, glui->bkgd_color.b );
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}
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glBegin( GL_LINE_LOOP );
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glVertex2i(left,0); glVertex2i( right,0);
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glVertex2i(right,h+1); glVertex2i( left,h+1);
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glEnd();
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glDisable( GL_LINE_STIPPLE );
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}
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/************************************ GLUI_Checkbox::update_size() **********/
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void GLUI_Checkbox::update_size( void )
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{
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int text_size;
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if ( NOT glui )
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return;
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text_size = _glutBitmapWidthString( glui->font, name.c_str() );
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/* if ( w < text_x_offset + text_size + 6 ) */
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w = text_x_offset + text_size + 6 ;
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}
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/********************************* GLUI_Checkbox::set_int_val() **************/
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void GLUI_Checkbox::set_int_val( int new_val )
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{
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int_val = new_val;
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/*** Update the variable we're (possibly) pointing to ***/
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output_live(true);
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redraw();
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}
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