glui_rollout.cpp
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上传日期:2022-01-07
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文件大小:7k
- /****************************************************************************
-
- GLUI User Interface Toolkit
- ---------------------------
- glui_panel.cpp - GLUI_Panel 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"
- enum {rollout_height_pixels=GLUI_DEFAULT_CONTROL_HEIGHT + 7};
- /****************************** GLUI_Rollout::GLUI_Rollout() **********/
- GLUI_Rollout::GLUI_Rollout( GLUI_Node *parent, const char *name,
- int open, int type )
- {
- common_init();
- set_name( name );
- user_id = -1;
- int_val = type;
-
- if ( NOT open ) {
- is_open = false;
- h = rollout_height_pixels;
- }
- parent->add_control( this );
- }
- /****************************** GLUI_Rollout::open() **********/
- void GLUI_Rollout::open( void )
- {
- if ( NOT glui )
- return;
- if ( is_open )
- return;
- is_open = true;
- GLUI_DRAWINGSENTINAL_IDIOM
- /* Copy hidden children into our private list "collapsed_node" */
- child_head = collapsed_node.child_head;
- child_tail = collapsed_node.child_tail;
- collapsed_node.child_head = NULL;
- collapsed_node.child_tail = NULL;
- if ( child_head != NULL ) {
- ((GLUI_Control*) child_head)->unhide_internal( true );
- }
- glui->refresh();
- }
- /****************************** GLUI_Rollout::close() **********/
- void GLUI_Rollout::close( void )
- {
- if ( NOT glui )
- return;
- if ( NOT is_open )
- return;
- is_open = false;
-
- GLUI_DRAWINGSENTINAL_IDIOM
- if ( child_head != NULL ) {
- ((GLUI_Control*) child_head)->hide_internal( true );
- }
- /* Move all children into a private list of hidden children */
- collapsed_node.child_head = first_child();
- collapsed_node.child_tail = last_child();
- child_head = NULL;
- child_tail = NULL;
- this->h = rollout_height_pixels;
- glui->refresh();
- }
- /**************************** GLUI_Rollout::mouse_down_handler() **********/
- int GLUI_Rollout::mouse_down_handler( int local_x, int local_y )
- {
- if ( local_y - y_abs > rollout_height_pixels ) {
- initially_inside = currently_inside = false;
- return false;
- }
- currently_inside = true;
- initially_inside = true;
- redraw();
- return false;
- }
- /**************************** GLUI_Rollout::mouse_held_down_handler() ****/
- int GLUI_Rollout::mouse_held_down_handler(
- int local_x, int local_y,
- bool new_inside )
- {
- if ( NOT initially_inside )
- return false;
- if ( local_y - y_abs> rollout_height_pixels )
- new_inside = false;
-
- if (new_inside != currently_inside) {
- currently_inside = new_inside;
- redraw();
- }
-
- return false;
- }
- /**************************** GLUI_Rollout::mouse_down_handler() **********/
- int GLUI_Rollout::mouse_up_handler( int local_x, int local_y, bool inside )
- {
- if ( currently_inside ) {
- if ( is_open )
- close();
- else
- open();
- }
- currently_inside = false;
- initially_inside = false;
- redraw();
- return false;
- }
- /********************************* GLUI_Rollout::draw() ***********/
- void GLUI_Rollout::draw( int x, int y )
- {
- GLUI_DRAWINGSENTINAL_IDIOM
-
- int left, right, top, bottom;
- left = 5;
- right = w-left;
- top = 3;
- bottom = 3+16;
- if ( is_open )
- draw_emboss_box( 0, w, top+3, h );
- else
- draw_emboss_box( 0, w, top+3, h-7 );
- glui->draw_raised_box( left, top, w-left*2, 16 );
- if ( glui )
- glColor3ub(glui->bkgd_color.r,glui->bkgd_color.g,glui->bkgd_color.b);
- glDisable( GL_CULL_FACE );
- glBegin( GL_QUADS );
- glVertex2i( left+1, top+1 ); glVertex2i( right-1, top+1 );
- glVertex2i( right-1, bottom-1 ); glVertex2i( left+1, bottom-1 );
- glEnd();
- draw_name( left+8, top+11 );
- if ( active )
- /*draw_active_box( left+4, left+string_width( name.c_str() )+12, */
- draw_active_box( left+4, right-17,
- top+2, bottom-2 );
- /** Draw '+' or '-' **/
- glBegin( GL_LINES );
- if ( is_open ) {
- if ( enabled ) glColor3f( 0.0, 0.0, 0.0 );
- else glColor3f( 0.5, 0.5, 0.5 );
- glVertex2i(right-14,(top+bottom)/2); glVertex2i(right-5,(top+bottom)/2);
- glColor3f( 1.0, 1.0, 1.0 );
- glVertex2i(right-14,1+(top+bottom)/2);glVertex2i(right-5,1+(top+bottom)/2);
- }
- else
- {
- glColor3f( 1.0, 1.0, 1.0 );
- glVertex2i(right-9,top+3); glVertex2i(right-9,bottom-4);
- glVertex2i(right-14,(top+bottom)/2); glVertex2i(right-5,(top+bottom)/2);
- if ( enabled ) glColor3f( 0.0, 0.0, 0.0 );
- else glColor3f( 0.5, 0.5, 0.5 );
- glVertex2i(right-14,-1+(top+bottom)/2);
- glVertex2i(right-5,-1+(top+bottom)/2);
- glVertex2i(right-10,top+3);
- glVertex2i(right-10,bottom-4);
- }
- glEnd();
- glLineWidth( 1.0 );
-
- if (currently_inside) {draw_pressed(); /* heavy black outline when pressed */ }
- }
- /***************************** GLUI_Rollout::update_size() **********/
- void GLUI_Rollout::update_size( void )
- {
- int text_size;
- if ( NOT glui )
- return;
- text_size = string_width(name);
- if ( w < text_size + 36 )
- w = text_size + 36;
- }
- /**************************** GLUI_Rollout::draw_pressed() ***********/
- void GLUI_Rollout::draw_pressed( void )
- {
- int left, right, top, bottom;
- left = 5;
- right = w-left;
- top = 3;
- bottom = 3+16;
-
- glColor3f( 0.0, 0.0, 0.0 );
- glBegin( GL_LINE_LOOP );
- glVertex2i( left, top ); glVertex2i( right, top );
- glVertex2i( right, bottom ); glVertex2i( left,bottom );
- glEnd();
- glBegin( GL_LINE_LOOP );
- glVertex2i( left+1, top+1 ); glVertex2i( right-1, top+1 );
- glVertex2i( right-1, bottom-1 ); glVertex2i( left+1,bottom-1 );
- glEnd();
- }