initial work on dynamic view support for the console. I'm aware that

QF/view.h vs view.h may cause some confusion, but I'm hoping to eleminate
view.h.

Also put the sample hud.txt into docs so it doesn't get lost.

doc/hud.txt

@@ -0,0 +1,49 @@
+{
+    common = {
+	textureHighlightColor = "0.7 0.7 0.1";	// pickup color flash
+	themeName = "Scout";
+    };
+    ammo = {
+    	gravity = southeast;
+	texSize = (24, 12);
+	textGrav = east;
+	items = ({
+	    name = shells;
+	    texture = sb_shells;
+	    location = (-24, 12);
+	},
+	{
+	    name = nails;
+	    texture = sb_nails;
+	    location = (-24, 24);
+	});
+    };
+    crosshair = {
+    	gravity = center;
+	texSize = (12, 12);
+	texture = crosshair;
+    };
+    items = {
+    	gravity = west;
+	texSize = (12, 12);
+	items = ({
+	    name = quad;
+	    texture = sb_quad;
+	    location = (0, 0);
+	});
+    };
+    weapons = {
+    	gravity = northeast;
+	texSize = (24, 8);
+	items = ({
+	    name = shotgun;
+	    texture = sb_shot;
+	    location = (-24, 0);
+	},
+	{
+	    name = sshotgun;
+	    texture = sb_sshot;
+	    location = (-24, 8);
+	});
+    };
+}

include/QF/view.h

@@ -0,0 +1,69 @@
+/*
+	view.h
+
+	console view object
+
+	Copyright (C) 2003 Bill Currie
+
+	Author: Bill Currie <bill@taniwha.org>
+	Date: 2003/5/5
+
+	This program 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; either version 2
+	of the License, or (at your option) any later version.
+
+	This program 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, write to:
+
+		Free Software Foundation, Inc.
+		59 Temple Place - Suite 330
+		Boston, MA  02111-1307, USA
+
+	$Id$
+*/
+
+#ifndef __qf_view_h
+#define __qf_view_h
+
+typedef enum {
+	grav_center,
+	grav_north,
+	grav_northeast,
+	grav_east,
+	grav_southeast,
+	grav_south,
+	grav_southwest,
+	grav_west,
+	grav_northwest,
+} grav_t;
+
+typedef struct view_s view_t;
+struct view_s {
+	int     xpos, ypos;
+	int     xlen, ylen;
+	int     xabs, yabs;
+	int     xrel, yrel;
+	grav_t  gravity;
+	view_t *parent;
+	view_t **children;
+	int     num_children;
+	int     max_children;
+	void    (*draw)(view_t *view);
+	unsigned enabled:1;
+};
+
+
+view_t *view_new (int xp, int yp, int xl, int yl, grav_t grav);
+void view_add (view_t *par, view_t *view);
+void view_remove (view_t *par, view_t *view);
+void view_delete (view_t *view);
+void view_draw (view_t *view);
+
+#endif//__qf_view_h

libs/console/Makefile.am

@@ -13,7 +13,7 @@ noinst_PROGRAMS= @SERVER_PLUGIN_STATIC@ @CLIENT_PLUGIN_STATIC@
 EXTRA_PROGRAMS=  console_server.la console_client.la
 
 common_sources= buffer.c complete.c console.c inputline.c list.c filelist.c
-client_sources= client.c menu.c
+client_sources= client.c menu.c view.c
 server_sources= server.c
 
 libQFconsole_la_LDFLAGS=	-version-info 1:0:0 -rpath $(libdir)

libs/console/view.c

@@ -0,0 +1,148 @@
+/*
+	view.c
+
+	console view object
+
+	Copyright (C) 2003 Bill Currie
+
+	Author: Bill Currie <bill@taniwha.org>
+	Date: 2003/5/5
+
+	This program 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; either version 2
+	of the License, or (at your option) any later version.
+
+	This program 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, write to:
+
+		Free Software Foundation, Inc.
+		59 Temple Place - Suite 330
+		Boston, MA  02111-1307, USA
+
+*/
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+static __attribute__ ((unused)) const char rcsid[] =
+	"$Id$";
+
+#ifdef HAVE_STRING_H
+# include <string.h>
+#endif
+#ifdef HAVE_STRINGS_H
+# include <strings.h>
+#endif
+#include <stdlib.h>
+
+#include "QF/view.h"
+
+view_t *
+view_new (int xp, int yp, int xl, int yl, grav_t grav)
+{
+	view_t     *view = calloc (1, sizeof (view_t));
+	view->xpos = xp;
+	view->ypos = yp;
+	view->xlen = xl;
+	view->ylen = yl;
+	view->gravity = grav;
+	return view;
+}
+
+void
+view_add (view_t *par, view_t *view)
+{
+	switch (view->gravity) {
+		case grav_center:
+			view->xrel = view->xpos + (par->xlen - view->xlen) / 2;
+			view->yrel = view->ypos + (par->ylen - view->ylen) / 2;
+			break;
+		case grav_north:
+			view->xrel = view->xpos + (par->xlen - view->xlen) / 2;
+			view->yrel = view->ypos;
+			break;
+		case grav_northeast:
+			view->xrel = par->xlen - view->xpos - view->xlen;
+			view->yrel = view->ypos;
+			break;
+		case grav_east:
+			view->xrel = par->xlen - view->xpos - view->xlen;
+			view->yrel = view->ypos + (par->ylen - view->ylen) / 2;
+			break;
+		case grav_southeast:
+			view->xrel = par->xlen - view->xpos - view->xlen;
+			view->yrel = par->ylen - view->ypos - view->ylen;
+			break;
+		case grav_south:
+			view->xrel = view->xpos + (par->xlen - view->xlen) / 2;
+			view->yrel = par->ylen - view->ypos - view->ylen;
+			break;
+		case grav_southwest:
+			view->xrel = view->xpos;
+			view->yrel = par->ylen - view->ypos - view->ylen;
+			break;
+		case grav_west:
+			view->xrel = view->xpos;
+			view->yrel = view->ypos + (par->ylen - view->ylen) / 2;
+			break;
+		case grav_northwest:
+			view->xrel = view->xpos;
+			view->yrel = view->ypos;
+			break;
+	}
+	view->xabs = par->xabs + view->xrel;
+	view->yabs = par->yabs + view->yrel;
+	view->parent = par;
+	if (par->num_children == par->max_children) {
+		par->max_children += 8;
+		par->children = realloc (par->children,
+								 par->max_children * sizeof (view_t *));
+		memset (par->children + par->num_children, 0,
+				(par->max_children - par->num_children) * sizeof (view_t *));
+	}
+	par->children[par->max_children++] = view;
+}
+
+void
+view_remove (view_t *par, view_t *view)
+{
+	int        i;
+
+	for (i = 0; i < par->num_children; i++) {
+		if (par->children[i] == view) {
+			memcpy (par->children + i, par->children + i + 1,
+					(par->num_children - i - 1) * sizeof (view_t *));
+			par->children [par->num_children--] = 0;
+			break;
+		}
+	}
+}
+
+void
+view_delete (view_t *view)
+{
+	if (view->parent)
+		view_remove (view->parent, view);
+	while (view->num_children)
+		view_delete (view->children[0]);
+	free (view);
+}
+
+void
+view_draw (view_t *view)
+{
+	int         i;
+
+	for (i = 0; i < view->num_children; i++) {
+		view_t     *v = view->children[i];
+		if (v->enabled && v->draw)
+			v->draw (v);
+	}
+}