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glui.h
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glui.h
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/****************************************************************************
GLUI User Interface Toolkit (LGPL)
----------------------------------
glui.h - Main (and only) external header for
GLUI User Interface Toolkit
--------------------------------------------------
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
*****************************************************************************/
#ifndef GLUI_GLUI_H
#define GLUI_GLUI_H
#ifdef __APPLE__
#include <GLUT/glut.h>
#else
#include "freeglut/freeglut.h"
#endif
#include <cstdlib>
#include <cstdio>
#include <cstring>
#include <string>
#include <vector>
#define GLUI_VERSION 2.3f /********** Current version **********/
#if defined(_WIN32)
#if !defined(GLUI_NO_LIB_PRAGMA)
//#pragma comment(lib, "glui32.lib") // Link automatically with GLUI library
#endif
#endif
/********** Do some basic defines *******/
#ifndef Byte
#define Byte unsigned char
#endif
#ifndef _RGBC_
class RGBc {
public:
Byte r, g, b;
void set(Byte r,Byte g,Byte b) {this->r=r;this->g=g;this->b=b;}
RGBc( void ) {}
RGBc( Byte r, Byte g, Byte b ) { set( r, g, b ); }
};
#define _RGBC_
#endif
/********** List of GLUT callbacks ********/
enum GLUI_Glut_CB_Types
{
GLUI_GLUT_RESHAPE,
GLUI_GLUT_KEYBOARD,
GLUI_GLUT_DISPLAY,
GLUI_GLUT_MOUSE,
GLUI_GLUT_MOTION,
GLUI_GLUT_SPECIAL,
GLUI_GLUT_PASSIVE_MOTION,
GLUI_GLUT_ENTRY,
GLUI_GLUT_VISIBILITY
};
/********* Constants for window placement **********/
#define GLUI_XOFF 6
#define GLUI_YOFF 6
#define GLUI_ITEMSPACING 3
#define GLUI_CHECKBOX_SIZE 13
#define GLUI_RADIOBUTTON_SIZE 13
#define GLUI_BUTTON_SIZE 20
#define GLUI_STATICTEXT_SIZE 13
#define GLUI_SEPARATOR_HEIGHT 8
#define GLUI_DEFAULT_CONTROL_WIDTH 100
#define GLUI_DEFAULT_CONTROL_HEIGHT 13
#define GLUI_EDITTEXT_BOXINNERMARGINX 3
#define GLUI_EDITTEXT_HEIGHT 20
#define GLUI_EDITTEXT_WIDTH 130
#define GLUI_EDITTEXT_MIN_INT_WIDTH 35
#define GLUI_EDITTEXT_MIN_TEXT_WIDTH 50
#define GLUI_PANEL_NAME_DROP 8
#define GLUI_PANEL_EMBOSS_TOP 4
/* #define GLUI_ROTATION_WIDTH 60 */
/* #define GLUI_ROTATION_HEIGHT 78 */
#define GLUI_ROTATION_WIDTH 50
#define GLUI_ROTATION_HEIGHT (GLUI_ROTATION_WIDTH+18)
#define GLUI_MOUSE_INTERACTION_WIDTH 50
#define GLUI_MOUSE_INTERACTION_HEIGHT (GLUI_MOUSE_INTERACTION_WIDTH)+18
/** Different panel control types **/
#define GLUI_PANEL_NONE 0
#define GLUI_PANEL_EMBOSSED 1
#define GLUI_PANEL_RAISED 2
/** Max # of els in control's float_array **/
#define GLUI_DEF_MAX_ARRAY 30
/********* The control's 'active' behavior *********/
#define GLUI_CONTROL_ACTIVE_MOUSEDOWN 1
#define GLUI_CONTROL_ACTIVE_PERMANENT 2
/********* Control alignment types **********/
#define GLUI_ALIGN_CENTER 1
#define GLUI_ALIGN_RIGHT 2
#define GLUI_ALIGN_LEFT 3
/********** Limit types - how to limit spinner values *********/
#define GLUI_LIMIT_NONE 0
#define GLUI_LIMIT_CLAMP 1
#define GLUI_LIMIT_WRAP 2
/********** Translation control types ********************/
#define GLUI_TRANSLATION_XY 0
#define GLUI_TRANSLATION_Z 1
#define GLUI_TRANSLATION_X 2
#define GLUI_TRANSLATION_Y 3
#define GLUI_TRANSLATION_LOCK_NONE 0
#define GLUI_TRANSLATION_LOCK_X 1
#define GLUI_TRANSLATION_LOCK_Y 2
/********** How was a control activated? *****************/
#define GLUI_ACTIVATE_MOUSE 1
#define GLUI_ACTIVATE_TAB 2
/********** What type of live variable does a control have? **********/
#define GLUI_LIVE_NONE 0
#define GLUI_LIVE_INT 1
#define GLUI_LIVE_FLOAT 2
#define GLUI_LIVE_TEXT 3
#define GLUI_LIVE_STRING 6
#define GLUI_LIVE_DOUBLE 4
#define GLUI_LIVE_FLOAT_ARRAY 5
/************* Textbox and List Defaults - JVK ******************/
#define GLUI_TEXTBOX_HEIGHT 130
#define GLUI_TEXTBOX_WIDTH 130
#define GLUI_LIST_HEIGHT 130
#define GLUI_LIST_WIDTH 130
#define GLUI_DOUBLE_CLICK 1
#define GLUI_SINGLE_CLICK 0
#define GLUI_TAB_WIDTH 50 /* In pixels */
#define GLUI_TEXTBOX_BOXINNERMARGINX 3
#define GLUI_TEXTBOX_MIN_TEXT_WIDTH 50
#define GLUI_LIST_BOXINNERMARGINX 3
#define GLUI_LIST_MIN_TEXT_WIDTH 50
/*********************** TreePanel Defaults - JVK *****************************/
#define GLUI_TREEPANEL_DEFAULTS 0 // bar, standard bar color
#define GLUI_TREEPANEL_ALTERNATE_COLOR 1 // Alternate between 8 different bar colors
#define GLUI_TREEPANEL_ENABLE_BAR 2 // enable the bar
#define GLUI_TREEPANEL_DISABLE_BAR 4 // disable the bar
#define GLUI_TREEPANEL_DISABLE_DEEPEST_BAR 8 // disable only the deepest bar
#define GLUI_TREEPANEL_CONNECT_CHILDREN_ONLY 16 // disable only the bar of the last child of each root
#define GLUI_TREEPANEL_DISPLAY_HIERARCHY 32 // display some sort of hierachy in the tree node title
#define GLUI_TREEPANEL_HIERARCHY_NUMERICDOT 64 // display hierarchy in 1.3.2 (etc... ) format
#define GLUI_TREEPANEL_HIERARCHY_LEVEL_ONLY 128 // display hierarchy as only the level depth
/******************* GLUI Scrollbar Defaults - JVK ***************************/
#define GLUI_SCROLL_ARROW_WIDTH 16
#define GLUI_SCROLL_ARROW_HEIGHT 16
#define GLUI_SCROLL_BOX_MIN_HEIGHT 5
#define GLUI_SCROLL_BOX_STD_HEIGHT 16
#define GLUI_SCROLL_STATE_NONE 0
#define GLUI_SCROLL_STATE_UP 1
#define GLUI_SCROLL_STATE_DOWN 2
#define GLUI_SCROLL_STATE_BOTH 3
#define GLUI_SCROLL_STATE_SCROLL 4
#define GLUI_SCROLL_DEFAULT_GROWTH_EXP 1.05f
#define GLUI_SCROLL_VERTICAL 0
#define GLUI_SCROLL_HORIZONTAL 1
/** Size of the character width hash table for faster lookups.
Make sure to keep this a power of two to avoid the slow divide.
This is also a speed/memory tradeoff; 128 is enough for low ASCII.
*/
#define CHAR_WIDTH_HASH_SIZE 128
/********** Translation codes **********/
enum TranslationCodes
{
GLUI_TRANSLATION_MOUSE_NONE = 0,
GLUI_TRANSLATION_MOUSE_UP,
GLUI_TRANSLATION_MOUSE_DOWN,
GLUI_TRANSLATION_MOUSE_LEFT,
GLUI_TRANSLATION_MOUSE_RIGHT,
GLUI_TRANSLATION_MOUSE_UP_LEFT,
GLUI_TRANSLATION_MOUSE_UP_RIGHT,
GLUI_TRANSLATION_MOUSE_DOWN_LEFT,
GLUI_TRANSLATION_MOUSE_DOWN_RIGHT
};
/************ A string type for us to use **********/
typedef std::string GLUI_String;
GLUI_String& glui_format_str(GLUI_String &str, const char* fmt, ...);
/********* Pre-declare classes as needed *********/
class GLUI;
class GLUI_Control;
class GLUI_Listbox;
class GLUI_StaticText;
class GLUI_EditText;
class GLUI_Panel;
class GLUI_Spinner;
class GLUI_RadioButton;
class GLUI_RadioGroup;
class GLUI_Glut_Window;
class GLUI_TreePanel;
class GLUI_Scrollbar;
class GLUI_List;
class Arcball;
/*** Flags for GLUI class constructor ***/
#define GLUI_SUBWINDOW ((long)(1<<1))
#define GLUI_SUBWINDOW_TOP ((long)(1<<2))
#define GLUI_SUBWINDOW_BOTTOM ((long)(1<<3))
#define GLUI_SUBWINDOW_LEFT ((long)(1<<4))
#define GLUI_SUBWINDOW_RIGHT ((long)(1<<5))
/*** Codes for different type of edittext boxes and spinners ***/
#define GLUI_EDITTEXT_TEXT 1
#define GLUI_EDITTEXT_INT 2
#define GLUI_EDITTEXT_FLOAT 3
#define GLUI_SPINNER_INT GLUI_EDITTEXT_INT
#define GLUI_SPINNER_FLOAT GLUI_EDITTEXT_FLOAT
#define GLUI_SCROLL_INT GLUI_EDITTEXT_INT
#define GLUI_SCROLL_FLOAT GLUI_EDITTEXT_FLOAT
// This is only for deprecated interface
#define GLUI_EDITTEXT_STRING 4
/*** Definition of callbacks ***/
typedef void (*GLUI_Update_CB) (int id);
typedef void (*GLUI_Control_CB)(GLUI_Control *);
typedef void (*Int1_CB) (int);
typedef void (*Int2_CB) (int, int);
typedef void (*Int3_CB) (int, int, int);
typedef void (*Int4_CB) (int, int, int, int);
/************************************************************/
/**
Callback Adapter Class
Allows us to support different types of callbacks;
like a GLUI_Update_CB function pointer--which takes an int;
and a GLUI_Control_CB function pointer--which takes a GUI_Control object.
*/
class GLUI_CB
{
public:
GLUI_CB() : idCB(0),objCB(0) {}
GLUI_CB(GLUI_Update_CB cb) : idCB(cb),objCB(0) {}
GLUI_CB(GLUI_Control_CB cb) : idCB(0),objCB(cb) {}
// (Compiler generated copy constructor)
/** This control just activated. Fire our callback.*/
void operator()(GLUI_Control *ctrl) const;
bool operator!() const { return !idCB && !objCB; }
operator bool() const { return !(!(*this)); }
private:
GLUI_Update_CB idCB;
GLUI_Control_CB objCB;
};
/************************************************************/
/* */
/* Base class, for hierarchical relationships */
/* */
/************************************************************/
class GLUI_Control;
/**
GLUI_Node is a node in a sort of tree of GLUI controls.
Each GLUI_Node has a list of siblings (in a circular list)
and a linked list of children.
Everything onscreen is a GLUI_Node--windows, buttons, etc.
The nodes are traversed for event processing, sizing, redraws, etc.
*/
class GLUI_Node
{
friend class GLUI_Tree; /* JVK */
friend class GLUI_Rollout;
friend class GLUI_Main;
public:
GLUI_Node();
virtual ~GLUI_Node() {}
GLUI_Node *first_sibling();
GLUI_Node *last_sibling();
GLUI_Node *prev();
GLUI_Node *next();
GLUI_Node *first_child() { return child_head; }
GLUI_Node *last_child() { return child_tail; }
GLUI_Node *parent() { return parent_node; }
/** Link in a new child control */
virtual int add_control( GLUI_Control *control );
void link_this_to_parent_last (GLUI_Node *parent );
void link_this_to_parent_first(GLUI_Node *parent );
void link_this_to_sibling_next(GLUI_Node *sibling );
void link_this_to_sibling_prev(GLUI_Node *sibling );
void unlink();
void dump( FILE *out, const char *name );
protected:
static void add_child_to_control(GLUI_Node *parent,GLUI_Control *child);
GLUI_Node *parent_node;
GLUI_Node *child_head;
GLUI_Node *child_tail;
GLUI_Node *next_sibling;
GLUI_Node *prev_sibling;
};
/************************************************************/
/* */
/* Standard Bitmap stuff */
/* */
/************************************************************/
enum GLUI_StdBitmaps_Codes
{
GLUI_STDBITMAP_CHECKBOX_OFF = 0,
GLUI_STDBITMAP_CHECKBOX_ON,
GLUI_STDBITMAP_RADIOBUTTON_OFF,
GLUI_STDBITMAP_RADIOBUTTON_ON,
GLUI_STDBITMAP_UP_ARROW,
GLUI_STDBITMAP_DOWN_ARROW,
GLUI_STDBITMAP_LEFT_ARROW,
GLUI_STDBITMAP_RIGHT_ARROW,
GLUI_STDBITMAP_SPINNER_UP_OFF,
GLUI_STDBITMAP_SPINNER_UP_ON,
GLUI_STDBITMAP_SPINNER_DOWN_OFF,
GLUI_STDBITMAP_SPINNER_DOWN_ON,
GLUI_STDBITMAP_CHECKBOX_OFF_DIS, /*** Disactivated control bitmaps ***/
GLUI_STDBITMAP_CHECKBOX_ON_DIS,
GLUI_STDBITMAP_RADIOBUTTON_OFF_DIS,
GLUI_STDBITMAP_RADIOBUTTON_ON_DIS,
GLUI_STDBITMAP_SPINNER_UP_DIS,
GLUI_STDBITMAP_SPINNER_DOWN_DIS,
GLUI_STDBITMAP_LISTBOX_UP,
GLUI_STDBITMAP_LISTBOX_DOWN,
GLUI_STDBITMAP_LISTBOX_UP_DIS,
GLUI_STDBITMAP_NUM_ITEMS
};
/************************************************************/
/* */
/* Class GLUI_Bitmap */
/* */
/************************************************************/
/**
GLUI_Bitmap is a simple 2D texture map. It's used
to represent small textures like checkboxes, arrows, etc.
via the GLUI_StdBitmaps class.
*/
class GLUI_Bitmap
{
friend class GLUI_StdBitmaps;
public:
GLUI_Bitmap();
~GLUI_Bitmap();
/** Create bitmap from greyscale byte image */
void init_grey(unsigned char *array);
/** Create bitmap from color int image */
void init(int *array);
private:
/** RGB pixel data */
unsigned char *pixels;
int w, h;
};
/************************************************************/
/* */
/* Class GLUI_StdBitmap */
/* */
/************************************************************/
/**
Keeps an array of GLUI_Bitmap objects to represent all the
images used in the UI: checkboxes, arrows, etc.
*/
class GLUI_StdBitmaps
{
public:
GLUI_StdBitmaps();
~GLUI_StdBitmaps();
/** Return the width (in pixels) of the n'th standard bitmap. */
int width (int n) const;
/** Return the height (in pixels) of the n'th standard bitmap. */
int height(int n) const;
/** Draw the n'th standard bitmap (one of the enums
listed in GLUI_StdBitmaps_Codes) at pixel corner (x,y).
*/
void draw(int n, int x, int y) const;
private:
GLUI_Bitmap bitmaps[GLUI_STDBITMAP_NUM_ITEMS];
};
/************************************************************/
/* */
/* Master GLUI Class */
/* */
/************************************************************/
/**
The master manages our interaction with GLUT.
There's only one GLUI_Master_Object.
*/
class GLUI_Master_Object
{
friend void glui_idle_func();
public:
GLUI_Master_Object();
~GLUI_Master_Object();
GLUI_Node gluis;
GLUI_Control *active_control, *curr_left_button_glut_menu;
GLUI *active_control_glui;
int glui_id_counter;
GLUI_Glut_Window *find_glut_window( int window_id );
void set_glutIdleFunc(void (*f)(void));
/**************
void (*glut_keyboard_CB)(unsigned char, int, int);
void (*glut_reshape_CB)(int, int);
void (*glut_special_CB)(int, int, int);
void (*glut_mouse_CB)(int,int,int,int);
void (*glut_passive_motion_CB)(int,int);
void (*glut_visibility_CB)(int);
void (*glut_motion_CB)(int,int);
void (*glut_display_CB)(void);
void (*glut_entry_CB)(int);
**********/
void set_left_button_glut_menu_control( GLUI_Control *control );
/********** GLUT callthroughs **********/
/* These are the glut callbacks that we do not handle */
void set_glutReshapeFunc (void (*f)(int width, int height));
void set_glutKeyboardFunc(void (*f)(unsigned char key, int x, int y));
void set_glutSpecialFunc (void (*f)(int key, int x, int y));
void set_glutMouseFunc (void (*f)(int, int, int, int ));
void set_glutDisplayFunc(void (*f)(void)) {glutDisplayFunc(f);}
void set_glutTimerFunc(unsigned int millis, void (*f)(int value), int value)
{ ::glutTimerFunc(millis,f,value);}
void set_glutOverlayDisplayFunc(void(*f)(void)){glutOverlayDisplayFunc(f);}
void set_glutSpaceballMotionFunc(Int3_CB f) {glutSpaceballMotionFunc(f);}
void set_glutSpaceballRotateFunc(Int3_CB f) {glutSpaceballRotateFunc(f);}
void set_glutSpaceballButtonFunc(Int2_CB f) {glutSpaceballButtonFunc(f);}
void set_glutTabletMotionFunc(Int2_CB f) {glutTabletMotionFunc(f);}
void set_glutTabletButtonFunc(Int4_CB f) {glutTabletButtonFunc(f);}
/* void set_glutWindowStatusFunc(Int1_CB f) {glutWindowStatusFunc(f);} */
void set_glutMenuStatusFunc(Int3_CB f) {glutMenuStatusFunc(f);}
void set_glutMenuStateFunc(Int1_CB f) {glutMenuStateFunc(f);}
void set_glutButtonBoxFunc(Int2_CB f) {glutButtonBoxFunc(f);}
void set_glutDialsFunc(Int2_CB f) {glutDialsFunc(f);}
GLUI *create_glui( const char *name, long flags=0, int x=-1, int y=-1 );
GLUI *create_glui_subwindow( int parent_window, long flags=0 );
GLUI *find_glui_by_window_id( int window_id );
void get_viewport_area( int *x, int *y, int *w, int *h );
void auto_set_viewport();
void close_all();
void sync_live_all();
void reshape();
float get_version() { return GLUI_VERSION; }
void glui_setIdleFuncIfNecessary(void);
private:
GLUI_Node glut_windows;
void (*glut_idle_CB)(void);
void add_cb_to_glut_window(int window,int cb_type,void *cb);
};
/**
This is the only GLUI_Master_Object in existence.
*/
extern GLUI_Master_Object GLUI_Master;
/************************************************************/
/* */
/* Class for managing a GLUT window */
/* */
/************************************************************/
/**
A top-level window. The GLUI_Master GLUT callback can route events
to the callbacks in this class, for arbitrary use by external users.
(see GLUI_Master_Object::set_glutKeyboardFunc).
This entire approach seems to be superceded by the "subwindow" flavor
of GLUI.
*/
class GLUI_Glut_Window : public GLUI_Node
{
public:
GLUI_Glut_Window();
int glut_window_id;
/*********** Pointers to GLUT callthrough functions *****/
void (*glut_keyboard_CB)(unsigned char, int, int);
void (*glut_special_CB)(int, int, int);
void (*glut_reshape_CB)(int, int);
void (*glut_passive_motion_CB)(int,int);
void (*glut_mouse_CB)(int,int,int,int);
void (*glut_visibility_CB)(int);
void (*glut_motion_CB)(int,int);
void (*glut_display_CB)(void);
void (*glut_entry_CB)(int);
};
/************************************************************/
/* */
/* Main Window GLUI class (not user-level) */
/* */
/************************************************************/
/**
A GLUI_Main handles GLUT events for one window, routing them to the
appropriate controls. The central user-visible "GLUI" class
inherits from this class; users should not allocate GLUT_Main objects.
There's a separate GLUI_Main object for:
- Each top-level window with GUI stuff in it.
- Each "subwindow" of another top-level window.
All the GLUI_Main objects are listed in GLUI_Master.gluis.
A better name for this class might be "GLUI_Environment";
this class provides the window-level context for every control.
*/
class GLUI_Main : public GLUI_Node
{
/********** Friend classes *************/
friend class GLUI_Control;
friend class GLUI_Rotation;
friend class GLUI_Translation;
friend class GLUI;
friend class GLUI_Master_Object;
/*********** Friend functions **********/
friend void glui_mouse_func(int button, int state, int x, int y);
friend void glui_keyboard_func(unsigned char key, int x, int y);
friend void glui_special_func(int key, int x, int y);
friend void glui_passive_motion_func(int x, int y);
friend void glui_reshape_func( int w, int h );
friend void glui_visibility_func(int state);
friend void glui_motion_func(int x, int y);
friend void glui_entry_func(int state);
friend void glui_display_func( void );
friend void glui_idle_func(void);
friend void glui_parent_window_reshape_func( int w, int h );
friend void glui_parent_window_keyboard_func( unsigned char, int, int );
friend void glui_parent_window_special_func( int, int, int );
friend void glui_parent_window_mouse_func( int, int, int, int );
protected:
/*** Variables ***/
int main_gfx_window_id;
int mouse_button_down;
int glut_window_id;
int top_level_glut_window_id;
GLUI_Control *active_control;
GLUI_Control *mouse_over_control;
GLUI_Panel *main_panel;
enum buffer_mode_t {
buffer_front=1, ///< Draw updated controls directly to screen.
buffer_back=2 ///< Double buffering: postpone updates until next redraw.
};
buffer_mode_t buffer_mode; ///< Current drawing mode
int curr_cursor;
int w, h;
long flags;
bool closing;
int parent_window;
int glui_id;
/********** Misc functions *************/
GLUI_Control *find_control( int x, int y );
GLUI_Control *find_next_control( GLUI_Control *control );
GLUI_Control *find_next_control_rec( GLUI_Control *control );
GLUI_Control *find_next_control_( GLUI_Control *control );
GLUI_Control *find_prev_control( GLUI_Control *control );
void create_standalone_window( const char *name, int x=-1, int y=-1 );
void create_subwindow( int parent,int window_alignment );
void setup_default_glut_callbacks( void );
void mouse(int button, int state, int x, int y);
void keyboard(unsigned char key, int x, int y);
void special(int key, int x, int y);
void passive_motion(int x, int y);
void reshape( int w, int h );
void visibility(int state);
void motion(int x, int y);
void entry(int state);
void display( void );
void idle(void);
int needs_idle(void);
void (*glut_mouse_CB)(int, int, int, int);
void (*glut_keyboard_CB)(unsigned char, int, int);
void (*glut_special_CB)(int, int, int);
void (*glut_reshape_CB)(int, int);
/*********** Controls ************/
virtual int add_control( GLUI_Node *parent, GLUI_Control *control );
/********** Constructors and Destructors ***********/
GLUI_Main( void );
public:
GLUI_StdBitmaps std_bitmaps;
GLUI_String window_name;
RGBc bkgd_color;
float bkgd_color_f[3];
void *font;
int curr_modifiers;
void adjust_glut_xy( int &x, int &y ) { x; y = h-y; }
void activate_control( GLUI_Control *control, int how );
void align_controls( GLUI_Control *control );
void deactivate_current_control( void );
/** Draw a 3D-look pushed-out box around this rectangle */
void draw_raised_box( int x, int y, int w, int h );
/** Draw a 3D-look pushed-in box around this rectangle */
void draw_lowered_box( int x, int y, int w, int h );
/** Return true if this control should redraw itself immediately (front buffer);
Or queue up a redraw and return false if it shouldn't (back buffer).
*/
bool should_redraw_now(GLUI_Control *ctl);
/** Switch to the appropriate draw buffer now. Returns the old draw buffer.
This routine should probably only be called from inside the GLUI_DrawingSentinal,
in glui_internal_control.h
*/
int set_current_draw_buffer();
/** Go back to using this draw buffer. Undoes set_current_draw_buffer. */
void restore_draw_buffer( int buffer_state );
/** Pack, resize the window, and redraw all the controls. */
void refresh();
/** Redraw the main graphics window */
void post_update_main_gfx();
/** Recompute the sizes and positions of all controls */
void pack_controls();
void close_internal();
void check_subwindow_position();
void set_ortho_projection();
void set_viewport();
int get_glut_window_id( void ) { return glut_window_id; } /* JVK */
};
/************************************************************/
/* */
/* GLUI_Control: base class for all controls */
/* */
/************************************************************/
/**
All the GUI objects inherit from GLUI_Control: buttons,
checkboxes, labels, edit boxes, scrollbars, etc.
Most of the work of this class is in routing events,
like keystrokes, mouseclicks, redraws, and sizing events.
Yes, this is a huge and hideous class. It needs to be
split up into simpler subobjects. None of the data members
should be directly accessed by users (they should be protected,
not public); only subclasses.
*/
class GLUI_Control : public GLUI_Node
{
public:
/** Onscreen coordinates */
int w, h; /* dimensions of control */
int x_abs, y_abs;
int x_off, y_off_top, y_off_bot; /* INNER margins, by which child
controls are indented */
int contain_x, contain_y;
int contain_w, contain_h;
/* if this is a container control (e.g.,
radiogroup or panel) this indicated dimensions
of inner area in which controls reside */
/** "activation" for tabbing between controls. */
int active_type; ///< "GLUI_CONTROL_ACTIVE_..."
bool active; ///< If true, we've got the focus
bool can_activate; ///< If false, remove from tab order.
bool spacebar_mouse_click; ///< Spacebar simulates click.
/** Callbacks */
long user_id; ///< Integer to pass to callback function.
GLUI_CB callback; ///< User callback function, or NULL.
/** Variable value storage */
float float_val; /**< Our float value */
int int_val; /**< Our integer value */
float float_array_val[GLUI_DEF_MAX_ARRAY];
int float_array_size;
GLUI_String text; /**< The text inside this control */
/** "Live variable" updating */
void *ptr_val; /**< A pointer to the user's live variable value */
int live_type;
bool live_inited;
/* These variables store the last value that live variable was known to have. */
int last_live_int;
float last_live_float;
GLUI_String last_live_text;
float last_live_float_array[GLUI_DEF_MAX_ARRAY];
/** Properties of our control */
GLUI *glui; /**< Our containing event handler (NEVER NULL during event processing!) */
bool is_container; /**< Is this a container class (e.g., panel) */
int alignment;
bool enabled; /**< Is this control grayed out? */
GLUI_String name; /**< The name of this control */
void *font; /**< Our glutbitmap font */
bool collapsible, is_open;
GLUI_Node collapsed_node;
bool hidden; /* Collapsed controls (and children) are hidden */
int char_widths[CHAR_WIDTH_HASH_SIZE][2]; /* Character width hash table */
public:
/*** Get/Set values ***/
virtual void set_name( const char *string );
virtual void set_int_val( int new_int ) { int_val = new_int; output_live(true); }
virtual void set_float_val( float new_float ) { float_val = new_float; output_live(true); }
virtual void set_ptr_val( void *new_ptr ) { ptr_val = new_ptr; output_live(true); }
virtual void set_float_array_val( float *array_ptr );
virtual float get_float_val( void ) { return float_val; }
virtual int get_int_val( void ) { return int_val; }
virtual void get_float_array_val( float *array_ptr );
virtual int get_id( void ) const { return int(user_id); }
virtual void set_id( int id ) { user_id=id; }
virtual int mouse_down_handler( int local_x, int local_y ) { local_x; local_y; return false; }
virtual int mouse_up_handler( int local_x, int local_y, bool inside ) { local_x; local_y; inside; return false; }
virtual int mouse_held_down_handler( int local_x, int local_y, bool inside) { local_x; local_y; inside; return false; }
virtual int key_handler( unsigned char key, int modifiers ) { key; modifiers; return false; }
virtual int special_handler( int key,int modifiers ) { key; modifiers; return false; }
virtual void update_size( void ) { }
virtual void idle( void ) { }
virtual int mouse_over( int state, int x, int y ) { state; x; y; return false; }
virtual void enable( void );
virtual void disable( void );
virtual void activate( int how ) { how; active = true; }
virtual void deactivate( void ) { active = false; }
/** Hide (shrink into a rollout) and unhide (expose from a rollout) */
void hide_internal( int recurse );
void unhide_internal( int recurse );
/** Return true if it currently makes sense to draw this class. */
int can_draw( void ) { return (glui != NULL && hidden == false); }
/** Redraw this control.
In single-buffering mode (drawing to GL_FRONT), this is just
a call to translate_and_draw_front (after a can_draw() check).
In double-buffering mode (drawing to GL_BACK), this queues up
a redraw and returns false, since you shouldn't draw yet.
*/
void redraw(void);
/** Redraw everybody in our window. */
void redraw_window(void);
virtual void align( void );
void pack( int x, int y ); /* Recalculate positions and offsets */
void pack_old( int x, int y );
void draw_recursive( int x, int y );
int set_to_glut_window( void );
void restore_window( int orig );
void translate_and_draw_front( void );
void translate_to_origin( void )
{glTranslatef((float)x_abs+.5f,(float)y_abs+.5f,0.0f);}
virtual void draw( int x, int y )=0;
void set_font( void *new_font );
void *get_font( void );
int string_width( const char *text );
int string_width( const GLUI_String &str )
{ return string_width(str.c_str()); }
int char_width( char c );
void draw_name( int x, int y );
void draw_box_inwards_outline( int x_min, int x_max,
int y_min, int y_max );
void draw_box( int x_min, int x_max, int y_min, int y_max,
float r, float g, float b );
void draw_bkgd_box( int x_min, int x_max, int y_min, int y_max );
void draw_emboss_box( int x_min, int x_max,int y_min,int y_max);
void draw_string( const char *text );
void draw_string( const GLUI_String &s )
{ draw_string(s.c_str()); }
void draw_char( char c );
void draw_active_box( int x_min, int x_max, int y_min, int y_max );
void set_to_bkgd_color( void );
void set_w( int new_w );
void set_h( int new_w );
void set_alignment( int new_align );
void sync_live( int recurse, int draw ); /* Reads live variable */
void init_live( void );
void output_live( int update_main_gfx ); /** Writes live variable **/
virtual void set_text( const char *t ) { t; }
void execute_callback( void );
void get_this_column_dims( int *col_x, int *col_y,
int *col_w, int *col_h,
int *col_x_off, int *col_y_off );
virtual bool needs_idle( void ) const;
virtual bool wants_tabs() const { return false; }
GLUI_Control(void)
{
x_off = GLUI_XOFF;
y_off_top = GLUI_YOFF;
y_off_bot = GLUI_YOFF;
x_abs = GLUI_XOFF;
y_abs = GLUI_YOFF;
active = false;
enabled = true;
int_val = 0;
last_live_int = 0;
float_array_size = 0;
glui_format_str(name, "Control: %p", this);
float_val = 0.0;
last_live_float = 0.0;
ptr_val = NULL;
glui = NULL;
w = GLUI_DEFAULT_CONTROL_WIDTH;
h = GLUI_DEFAULT_CONTROL_HEIGHT;
font = NULL;
active_type = GLUI_CONTROL_ACTIVE_MOUSEDOWN;
alignment = GLUI_ALIGN_LEFT;
is_container = false;
can_activate = true; /* By default, you can activate a control */
spacebar_mouse_click = true; /* Does spacebar simulate a mouse click? */
live_type = GLUI_LIVE_NONE;
text = "";
last_live_text == "";
live_inited = false;
collapsible = false;
is_open = true;
hidden = false;
memset(char_widths, -1, sizeof(char_widths)); /* JVK */
int i;
for( i=0; i<GLUI_DEF_MAX_ARRAY; i++ )
float_array_val[i] = last_live_float_array[i] = 0.0;
}
virtual ~GLUI_Control();
};
/************************************************************/
/* */
/* Button class (container) */
/* */
/************************************************************/
/**
An onscreen, clickable button--an outlined label that
can be clicked. When clicked, a button
calls its GLUI_CB callback with its ID.
*/
class GLUI_Button : public GLUI_Control
{
public:
bool currently_inside;
int mouse_down_handler( int local_x, int local_y );
int mouse_up_handler( int local_x, int local_y, bool inside );
int mouse_held_down_handler( int local_x, int local_y, bool inside );
int key_handler( unsigned char key,int modifiers );
void draw( int x, int y );
void draw_pressed( void );
void draw_text( int sunken );
void update_size( void );
/**
Create a new button.
@param parent The panel our object is inside; or the main GLUI object.
@param name The text inside the button.
@param id Optional ID number, to pass to the optional callback function.
@param callback Optional callback function, taking either the int ID or control.
*/
GLUI_Button( GLUI_Node *parent, const char *name,
int id=-1, GLUI_CB cb=GLUI_CB() );
GLUI_Button( void ) { common_init(); };
protected:
void common_init(void) {
glui_format_str(name, "Button: %p", this );
h = GLUI_BUTTON_SIZE;
w = 100;
alignment = GLUI_ALIGN_CENTER;
can_activate = true;
}
};
/************************************************************/
/* */
/* Checkbox class (container) */
/* */
/************************************************************/
/**
A checkbox, which can be checked on or off. Can be linked
to an int value, which gets 1 for on and 0 for off.
*/
class GLUI_Checkbox : public GLUI_Control
{
public:
int orig_value;
bool currently_inside;
int text_x_offset;
int mouse_down_handler( int local_x, int local_y );
int mouse_up_handler( int local_x, int local_y, bool inside );
int mouse_held_down_handler( int local_x, int local_y, bool inside );
int key_handler( unsigned char key,int modifiers );
void update_size( void );