libfbx-gui.h

libfxb是linux下只写操作framebuffer的一个轻量级的库。

/*
 *  libfbx-gui.h -- Primary header file for libfbx gui
 *  (C)opyright 2000-2001 U4X Labs
 *
 *  Written by: Paul Mundt <[e-mail]>
 * 		Mon Dec 11 14:24:48 EST 2000
 *
 *  $Id: libfbx-gui.h,v 1.13 2001/01/25 00:57:42 lethal Exp $
 *
 *  	Basic layout of gui routines for the libfbx system.
 *
 *  See ChangeLog for modifications, CREDITS for credits.
 *
 *  All source herein is copyright U4X Labs and its original author. 
 *  Any code modifications or additions are (C)opyright the original 
 *  author and U4X Labs respectively.
 *
 *  libfbx 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.
 *
 *  libfbx 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 libfbx; if not, write to the Free Software 
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 *  USA
 */
#ifndef __LIBFBX_GUI_H
#define __LIBFBX_GUI_H

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

/* Fixed States */
#define FB_DIALOG_EXIT		0x01	/* close when activated */
#define FB_DIALOG_SELECTED	0x02	/* currently selected */
#define FB_DIALOG_MOUSEON	0x04	/* mouse is on object */
#define FB_DIALOG_FOCUSED	0x08	/* focused on object */
#define FB_DIALOG_DIRTY		0x10	/* needs to be redrawn */
#define FB_DIALOG_DISABLED	0x20	/* grayed out */
#define FB_DIALOG_HIDDEN	0x40	/* object is hidden */

/* User Specified States */
#define FB_DIALOG_USER		0x8000	/* beginning user flag */

/* GUI Process Return Messages (Object to Handler) */
#define FB_DIALOG_OK		0	/* normal return message */
#define FB_DIALOG_CLOSE		1	/* request to close dialog */
#define FB_DIALOG_REDRAW	2	/* reqest redraw of entire dialog */
#define FB_DIALOG_REDRAWME	4	/* reqest to redraw this object */
#define FB_DIALOG_WANTFOCUS	8	/* request for input focus */
#define FB_DIALOG_USED_CHAR	16	/* object used a keypress message */

/* GUI Object Messages (Handler to Object) */
#define FB_MSG_START		1	/* perform any initialization */
#define FB_MSG_END		2	/* perform any cleanup */
#define FB_MSG_DRAW		3	/* draw the object */
#define FB_MSG_CLICK		4	/* delivered when object is clicked */
#define FB_MSG_DCLICK		5	/* double click */
#define FB_MSG_KEY		6	/* keyboard shortcut */
#define FB_MSG_CHAR		7	/* other keyboard input */
#define FB_MSG_XCHAR		8	/* broadcast keyboard input (used when
					   no objects claim a keypress) */
#define FB_MSG_WANTFOCUS	9	/* object wants input focus */
#define FB_MSG_GOTFOCUS		10	/* object received input focus */
#define FB_MSG_LOSTFOCUS	11	/* object lost input focus */
#define FB_MSG_GOTMOUSE		12	/* mouse entered object boundaries */
#define FB_MSG_LOSTMOUSE	13	/* mouse left object boundaries */
#define FB_MSG_IDLE		14	/* perform background tasks */
#define FB_MSG_RADIO		15	/* clear radio buttons */
#define FB_MSG_WHEEL		16	/* mouse wheel moved (keep?) */
#define FB_MSG_LPRESS		17	/* left mouse button down */
#define FB_MSG_LRELEASE		18	/* left mouse button up */
#define FB_MSG_MPRESS		19	/* middle mouse button down */
#define FB_MSG_MRELEASE		20	/* middle mouse button up */
#define FB_MSG_RPRESS		21	/* right mouse button down */
#define FB_MSG_RRELEASE		22	/* right mouse button up */

/* User defined messages are above this value.
 *
 * It is recommended that rather than hard code
 * user message values, the programmer should
 * use (FB_MSG_USER + n) where n is some positive
 * number.  This way, a program will remain source
 * compatible with the FB_MSG #defines.
 */
#define FB_MSG_USER		32

typedef struct fb_dialog {
	int (*message_handler)(int, struct fb_dialog *, int);
	int x, y;
	int width, height;
	int fg_r, fg_g, fg_b;
	int bg_r, bg_g, bg_b;
	int key;
	int flags;
	char *text;
	void *dummy, *dummy2, *dummy3;
	fb_surface *img, *img2, *img3;
	int d1, d2;
} fb_dialog;

/* libfbx-gui.c */
void fb_draw_textbox(int x1, int y1, int x2, int y2, int r1, int g1, int b1, int r2, int g2, int b2, fb_surface *surface);
void fb_draw_box(int x1, int y1, int x2, int y2, int r, int g, int b, fb_surface *surface);
void fb_dotted_rect(int x1, int y1, int x2, int y2, 
		    int fg_r, int fg_g, int fg_b, 
		    int bg_r, int bg_g, int bg_b, 
		    fb_surface *surface);
int fb_gui_strlen(char *string);
int fb_gui_puts(int x, int y, int center, int r, int g, int b, fb_surface *surface, char *string);

/* libfbx-box.c */
int fb_box_proc(int msg, fb_dialog *d, int c);
int fb_shadow_box_proc(int msg, fb_dialog *d, int c);

/* libfbx-button.c */
int fb_button_proc(int msg, fb_dialog *d, int c);
int fb_check_proc(int msg, fb_dialog *d, int c);
int fb_icon_proc(int msg, fb_dialog *d, int c);

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* __LIBFBX_GUI_H */