glui_tree.cpp
上传用户:gb3593
上传日期:2022-01-07
资源大小:3028k
文件大小:6k
- /****************************************************************************
-
- GLUI User Interface Toolkit
- ---------------------------
- glui_panel.cpp - GLUI_Panel control class
- --------------------------------------------------
- Copyright (c) 1998 Paul Rademacher
- This program is freely distributable without licensing fees and is
- provided without guarantee or warrantee expressed or implied. This
- program is -not- in the public domain.
- *****************************************************************************/
- #include "glui_internal_control.h"
- /****************************** GLUI_Tree::GLUI_Tree() **********/
- GLUI_Tree::GLUI_Tree(GLUI_Node *parent, const char *name,
- int open, int inset)
- {
- common_init();
- GLUI_StaticText *inset_label;
- GLUI_Column *col;
- this->set_name( name );
- this->user_id = -1;
-
- if ( NOT open ) {
- this->is_open = false;
- this->h = GLUI_DEFAULT_CONTROL_HEIGHT + 7;
- }
- parent->add_control( this );
- inset_label = new GLUI_StaticText(this,"");
- inset_label->set_w(inset);
- col = new GLUI_Column(this,true);
- this->set_column(col);
- this->set_alignment(GLUI_ALIGN_LEFT);
- }
- /****************************** GLUI_Tree::open() **********/
- void GLUI_Tree::open( void )
- {
- if ( is_open )
- return;
- is_open = true;
- GLUI_DRAWINGSENTINAL_IDIOM
- 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_Tree::close() **********/
- void GLUI_Tree::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 );
- }
- collapsed_node.child_head = first_child();
- collapsed_node.child_tail = last_child();
- child_head = NULL;
- child_tail = NULL;
- this->h = GLUI_DEFAULT_CONTROL_HEIGHT + 7;
-
- glui->refresh();
- }
- /**************************** GLUI_Tree::mouse_down_handler() **********/
- int GLUI_Tree::mouse_down_handler( int local_x, int local_y )
- {
- if ( local_y - y_abs > 18 ) {
- initially_inside = currently_inside = false;
- return false;
- }
- currently_inside = true;
- initially_inside = true;
- redraw();
- return false;
- }
- /**************************** GLUI_Tree::mouse_held_down_handler() ****/
- int GLUI_Tree::mouse_held_down_handler(
- int local_x, int local_y,
- bool new_inside )
- {
- if ( NOT initially_inside )
- return false;
- if ( local_y - y_abs> 18 )
- new_inside = false;
- if (currently_inside != new_inside)
- redraw();
-
- return false;
- }
- /**************************** GLUI_Tree::mouse_down_handler() **********/
- int GLUI_Tree::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_Tree::draw() ***********/
- void GLUI_Tree::draw( int x, int y )
- {
- GLUI_DRAWINGSENTINAL_IDIOM
- int left, right, top, bottom, delta_x;
-
- left = 5;
- right = w-left;
- top = 3;
- bottom = 3+16;
- delta_x = 0;
- glui->draw_raised_box( left, top, 16, 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+17, top+1 ); glVertex2i( right-1, top+1 );
- glVertex2i( right-1, bottom-1 ); glVertex2i( left+17, bottom-1 );
- glEnd();
- if (format & GLUI_TREEPANEL_DISPLAY_HIERARCHY) {
- delta_x = string_width( level_name ) + char_width(' ');
- glColor3f( lred, lgreen, lblue); /* The hierarchy is drawn in bold */
- glRasterPos2i(left + 25, top + 11);
- draw_string(level_name);
- glRasterPos2i(left + 24, top + 11);
- draw_string(level_name);
- }
- draw_name( delta_x+left+24, top+11 );
- if ( active )
- draw_active_box( left+22, delta_x+left+string_width( name )+32,
- top, bottom-2 );
- /** Draw '+' or '-' **/
- glBegin( GL_LINES );
- if ( is_open ) {
- if ( enabled )
- if (is_current)
- glColor3f( 0, 0, 1 );
- else
- glColor3f( 0.0, 0.0, 0.0 );
- else
- glColor3f( 0.5, 0.5, 0.5 );
- glVertex2i(left+4,(top+bottom)/2); glVertex2i(left+13,(top+bottom)/2);
- glColor3f( 1.0, 1.0, 1.0 );
- glVertex2i(left+4,1+(top+bottom)/2);glVertex2i(left+13,1+(top+bottom)/2);
- }
- else
- {
- glColor3f( 1.0, 1.0, 1.0 );
- glVertex2i(left+9,top+3); glVertex2i(left+9,bottom-4);
- glVertex2i(left+4,(top+bottom)/2); glVertex2i(left+13,(top+bottom)/2);
- if ( enabled )
- if (is_current)
- glColor3f( 0, 0, 1 );
- else
- glColor3f( 0.0, 0.0, 0.0 );
- else
- glColor3f( 0.5, 0.5, 0.5 );
- glVertex2i(left+4,-1+(top+bottom)/2);
- glVertex2i(left+13,-1+(top+bottom)/2);
- glVertex2i(left+8,top+3);
- glVertex2i(left+8,bottom-4);
- }
- glEnd();
- glLineWidth( 1.0 );
-
- if (currently_inside) draw_pressed();
- }
- /***************************** GLUI_Tree::update_size() **********/
- void GLUI_Tree::update_size( void )
- {
- int text_size = 0, delta_x = 0;
- if ( NOT glui )
- return;
- text_size = string_width(name);
- if (format & GLUI_TREEPANEL_DISPLAY_HIERARCHY) {
- delta_x = string_width( level_name );
- }
- if ( w < text_size + 36 + delta_x)
- w = text_size + 36 + delta_x;
- }
- /**************************** GLUI_Tree::draw_pressed() ***********/
- void GLUI_Tree::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();
- }