gui.h

/*
 * gui.h - Tracker style GUI
 *
 * (C) David Olofson, 2006
 */

#ifndef	GUI_H
#define	GUI_H

#include "SDL.h"

#define MAXRECTS	1024
#define	FONT_CW		16
#define	FONT_CH		16

typedef enum
{
	GUI_PAGE_MAIN = 0,
	GUI_PAGE_LOG,
	GUI_PAGE_HELP1,
	GUI_PAGE_HELP2,
	GUI_PAGE_HELP3,
	GUI_PAGE_HELP4
} GUI_pages;
#define	GUI_PAGE__FIRST	GUI_PAGE_MAIN
#define	GUI_PAGE__CYCLE	GUI_PAGE_LOG

/*
 * Low level GUI stuff
 */

/* Load and convert image */
SDL_Surface *gui_load_image(const char *fn);

/* Add a dirtyrect */
void gui_dirty(SDL_Rect *r);

/* Update all dirty areas */
void gui_refresh(void);

/* Draw a hollow box */
void gui_box(int x, int y, int w, int h, Uint32 c, SDL_Surface *dst);

/* Draw a black box with a colored outline */
void gui_bar(int x, int y, int w, int h, Uint32 c, SDL_Surface *dst);

/* Render text */
void gui_text(int x, int y, const char *txt, SDL_Surface *dst);

/* Render an oscilloscope */
void gui_oscilloscope(Sint32 *buf, int bufsize,
		int start, int x, int y, int w, int h,
		SDL_Surface *dst);

/*
 * High level GUI stuff
 */
int gui_open(SDL_Surface *screen);
void gui_close(void);

void gui_tempo(int v);
void gui_songpos(int v);
void gui_songedit(int pos, int ppos, int track, int editing);
void gui_songselect(int x1, int y1, int x2, int y2);
void gui_status(int playing, int editing, int looping);
void gui_message(const char *message, int curspos);
void gui_draw_activity(int dt);
void gui_activity(int trk);

void gui_draw_screen(GUI_pages page);

#endif	/* GUI_H */