nuclear@0: /*
nuclear@0: A simple cross-platform OpenGL GUI toolkit
nuclear@0: Copyright (C) 2012  John Tsiombikas <nuclear@member.fsf.org>
nuclear@0: 
nuclear@0: This program is free software: you can redistribute it and/or modify
nuclear@0: it under the terms of the GNU Lesser General Public License as published by
nuclear@0: the Free Software Foundation, either version 3 of the License, or
nuclear@0: (at your option) any later version.
nuclear@0: 
nuclear@0: This program is distributed in the hope that it will be useful,
nuclear@0: but WITHOUT ANY WARRANTY; without even the implied warranty of
nuclear@0: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
nuclear@0: GNU Lesser General Public License for more details.
nuclear@0: 
nuclear@0: You should have received a copy of the GNU Lesser General Public License
nuclear@0: along with this program.  If not, see <http://www.gnu.org/licenses/>.
nuclear@0: */
nuclear@0: #ifndef GLTIKI_IMPL_H_
nuclear@0: #define GLTIKI_IMPL_H_
nuclear@0: 
nuclear@0: #include "gltiki.h"
nuclear@0: 
nuclear@0: enum { UNKNOWN, LABEL, BUTTON, CHECKBOX, SLIDER, INTSLIDER, LISTBOX };
nuclear@0: 
nuclear@0: #define GLTK_CAST(w, t, ctype) \
nuclear@0: 	((w)->type == (t) ? ((ctype)(w)) : 0)
nuclear@0: 
nuclear@0: #define GLTK_LABEL(w)		GLTK_CAST(w, LABEL, struct gltk_label)
nuclear@0: #define GLTK_BUTTON(w)		GLTK_CAST(w, BUTTON, struct gltk_button)
nuclear@0: #define GLTK_CHECKBOX(w)	GLTK_CAST(w, CHECKBOX, struct gltk_checkbox)
nuclear@0: #define GLTK_SLIDER(w)		GLTK_CAST(w, SLIDER, struct gltk_slider)
nuclear@0: #define GLTK_INTSLIDER(w)	GLTK_CAST(w, INTSLIDER, struct gltk_int_slider)
nuclear@0: #define GLTK_LISTBOX(w)		GLTK_CAST(w, LISTBOX, struct gltk_listbox)
nuclear@0: 
nuclear@0: #define GLTK_WIDGET_VARS \
nuclear@0: 	int type; \
nuclear@0: 	float x, y, width, height; \
nuclear@0: 	int active; \
nuclear@0: 	struct gltk_widget *next; \
nuclear@0: 	gltk_callback callback; \
nuclear@0: 	void *cls; \
nuclear@0: 	void (*draw)()
nuclear@0: 
nuclear@0: struct gltk_widget {
nuclear@0: 	GLTK_WIDGET_VARS;
nuclear@0: };
nuclear@0: 
nuclear@0: struct gltk_label {
nuclear@0: 	GLTK_WIDGET_VARS;
nuclear@0: 	char *text;
nuclear@0: };
nuclear@0: 
nuclear@0: struct gltk_button {
nuclear@0: 	GLTK_WIDGET_VARS;
nuclear@0: 	char *text;
nuclear@0: };
nuclear@0: 
nuclear@0: struct gltk_checkbox {
nuclear@0: 	GLTK_WIDGET_VARS;
nuclear@0: 	char *text;
nuclear@0: 	int state;
nuclear@0: };
nuclear@0: 
nuclear@0: struct gltk_slider {
nuclear@0: 	GLTK_WIDGET_VARS;
nuclear@0: 	float value, min, max;
nuclear@0: };
nuclear@0: 
nuclear@0: struct gltk_int_slider {
nuclear@0: 	GLTK_WIDGET_VARS;
nuclear@0: 	int value, min, max;
nuclear@0: };
nuclear@0: 
nuclear@0: struct gltk_listbox {
nuclear@0: 	GLTK_WIDGET_VARS;
nuclear@0: 	int sel;
nuclear@0: 	int vislines;
nuclear@0: 	gltk_item *items, *items_tail, *sel_item;
nuclear@0: };
nuclear@0: 
nuclear@0: struct gltk_item {
nuclear@0: 	char *text;
nuclear@0: 	gltk_pixmap *img;
nuclear@0: };
nuclear@0: 
nuclear@0: struct gltk_pixmap {
nuclear@0: 	int width, height;
nuclear@0: 	unsigned char *pixels;
nuclear@0: };
nuclear@0: 
nuclear@0: #endif	/* GLTIKI_IMPL_H_ */