add screen.[ch] to handle Xinerama config, and deprecate get_wa*()

Makefile

@@ -3,7 +3,7 @@
 
 include config.mk
 
-SRC = client.c draw.c event.c layout.c awesome.c tag.c util.c config.c
+SRC = client.c draw.c event.c layout.c awesome.c tag.c util.c config.c screen.c
 OBJ = ${SRC:.c=.o} ${LAYOUTS:.c=.o}
 
 all: options awesome

awesome.h

@@ -28,9 +28,9 @@ Bool gettextprop(Display *, Window, Atom, char *, unsigned int);   /* return tex
 void updatebarpos(Display *, Statusbar);        /* updates the bar position */
 void uicb_quit(Display *, DC *, awesome_config *, const char *);        /* quit awesome nicely */
 int xerror(Display *, XErrorEvent *);   /* awesome's X error handler */
-int get_windows_area_x(Statusbar);
-int get_windows_area_y(Statusbar);
-int get_windows_area_height(Display *, Statusbar);
-int get_windows_area_width(Display *, Statusbar);
+int __attribute__ ((deprecated)) get_windows_area_x(Statusbar);
+int __attribute__ ((deprecated)) get_windows_area_y(Statusbar);
+int __attribute__ ((deprecated)) get_windows_area_height(Display *, Statusbar);
+int __attribute__ ((deprecated)) get_windows_area_width(Display *, Statusbar);
 
 #endif

layouts/tile.c

@@ -21,8 +21,8 @@
  */
 
 #include <stdio.h>
-#include <X11/extensions/Xinerama.h>
 
+#include "screen.h"
 #include "awesome.h"
 #include "tag.h"
 #include "layout.h"
@@ -104,31 +104,11 @@ _tile(Display *disp, awesome_config *awesomeconf, const Bool right)
     unsigned int mw = 0, mh = 0;
     int n, i, li, last_i = 0, nmaster_screen = 0, otherwin_screen = 0;
     int screen_numbers = 1, use_screen = -1;
-    XineramaScreenInfo *screens_info = NULL;
+    ScreenInfo *screens_info = NULL;
     Client *c;
 
-    if(XineramaIsActive(disp))
-    {
-        screens_info = XineramaQueryScreens(disp, &screen_numbers);
-        for(i = 0; i < screen_numbers; i++)
-        {
-            if(awesomeconf->statusbar.position == BarTop
-               || awesomeconf->statusbar.position == BarBot)
-                screens_info[i].height -= awesomeconf->statusbar.height;
-            if(awesomeconf->statusbar.position == BarTop)
-                screens_info[i].y_org += awesomeconf->statusbar.height;
-        }
-    }
-    else
-    {
-        /* emulate Xinerama info */
-        screens_info = p_new(XineramaScreenInfo, 1);
-        screens_info->width = get_windows_area_width(disp, awesomeconf->statusbar);
-        screens_info->height = get_windows_area_height(disp, awesomeconf->statusbar);
-        screens_info->x_org = get_windows_area_x(awesomeconf->statusbar);
-        screens_info->y_org = get_windows_area_y(awesomeconf->statusbar);
-    }
-    
+    screens_info = get_screen_info(disp, awesomeconf->statusbar, &screen_numbers);
+ 
     for(n = 0, c = clients; c; c = c->next)
         if(IS_TILED(c, awesomeconf->selected_tags, awesomeconf->ntags))
             n++;

screen.c

@@ -0,0 +1,54 @@
+/*  
+ * screen.c - screen management
+ *  
+ * Copyright © 2007 Julien Danjou <julien@danjou.info> 
+ * 
+ * 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 the Free Software Foundation, Inc., 
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 
+ * 
+ */
+
+#include "util.h"
+#include "screen.h"
+
+ScreenInfo *
+get_screen_info(Display *disp, Statusbar statusbar, int *screen_number)
+{
+    int i;
+    ScreenInfo *si;
+
+    if(XineramaIsActive(disp))
+        si = XineramaQueryScreens(disp, screen_number);
+    else
+    {
+        /* emulate Xinerama info */
+        *screen_number = 1;
+        si = p_new(XineramaScreenInfo, 1);
+        si->width = DisplayWidth(disp, DefaultScreen(disp));
+        si->height = DisplayHeight(disp, DefaultScreen(disp));
+        si->x_org = 0;
+        si->y_org = 0;
+    }
+
+    for(i = 0; i < *screen_number; i++)
+    {
+        if(statusbar.position == BarTop 
+           || statusbar.position == BarBot)
+            si[i].height -= statusbar.height;
+        if(statusbar.position == BarTop)
+            si[i].y_org += statusbar.height;
+    }
+    
+    return si;
+}

screen.h

@@ -0,0 +1,34 @@
+/*  
+ * screen.h - screen management header
+ *  
+ * Copyright © 2007 Julien Danjou <julien@danjou.info> 
+ * 
+ * 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 the Free Software Foundation, Inc., 
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 
+ * 
+ */
+
+#ifndef AWESOME_SCREEN_H
+#define AWESOME_SCREEN_H
+
+
+#include "config.h"
+
+#include <X11/extensions/Xinerama.h> 
+
+typedef XineramaScreenInfo ScreenInfo;
+
+ScreenInfo * get_screen_info(Display *, Statusbar, int *);
+
+#endif