netsurf/framebuffer/fb_gui.h

/*
 * Copyright 2008 Vincent Sanders <vince@simtec.co.uk>
 *
 * This file is part of NetSurf, http://www.netsurf-browser.org/
 *
 * NetSurf is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * NetSurf 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef NETSURF_FB_GUI_H
#define NETSURF_FB_GUI_H

typedef struct fb_cursor_s fb_cursor_t;

/* bounding box */
typedef struct bbox_s {
        int x0;
        int y0;
        int x1;
        int y1;
} bbox_t;

typedef struct framebuffer_s {
	int width;
	int height;
	uint8_t *ptr; /**< Base of video memory. */
	int linelen; /**< length of a video line. */
	int bpp;
	colour palette[256]; /* palette for index modes */
	fb_cursor_t *cursor;
} framebuffer_t;

struct gui_window {
	struct gui_window *next, *prev; /**< List of windows */
	struct browser_window *bw; /**< The browser window connected to this gui window */

	int x;
	int y;
	int width; /**< Window width */
	int height; /**< window height */
	int scrollx, scrolly; /**< scroll offsets. */

	/* Pending window redraw state. */
	bool redraw_required; /**< flag indicating the foreground loop
			       * needs to redraw the window.
			       */
	bbox_t redraw_box; /**< Area requiring redraw. */
	bool pan_required; /**< flag indicating the foreground loop
			       * needs to pan the window.
			       */
	int panx, pany; /**< Panning required. */
};

extern framebuffer_t *framebuffer;
extern struct gui_window *window_list;

/* scroll a window */
void fb_window_scroll(struct gui_window *g, int x, int y);

#endif /* NETSURF_FB_GUI_H */

/*
 * Local Variables:
 * c-basic-offset:8
 * End:
 */