Fix gcc warnings in screen.c
[dana/openbox.git] / openbox / screen.c
index b0fa17d..0198c36 100644 (file)
 #include "debug.h"
 #include "openbox.h"
 #include "dock.h"
-#include "xerror.h"
-#include "prop.h"
 #include "grab.h"
 #include "startupnotify.h"
 #include "moveresize.h"
 #include "config.h"
-#include "mainloop.h"
 #include "screen.h"
 #include "client.h"
 #include "session.h"
 #include "frame.h"
 #include "event.h"
 #include "focus.h"
+#include "focus_cycle.h"
 #include "popup.h"
-#include "extensions.h"
-#include "render/render.h"
+#include "version.h"
+#include "obrender/render.h"
 #include "gettext.h"
+#include "obt/display.h"
+#include "obt/xqueue.h"
+#include "obt/prop.h"
 
 #include <X11/Xlib.h>
 #ifdef HAVE_UNISTD_H
@@ -56,19 +57,20 @@ static gboolean replace_wm(void);
 static void     screen_tell_ksplash(void);
 static void     screen_fallback_focus(void);
 
-guint           screen_num_desktops;
-guint           screen_num_monitors = 0;
-guint           screen_desktop;
-guint           screen_last_desktop;
-gboolean        screen_showing_desktop;
-ObDesktopLayout screen_desktop_layout;
-gchar         **screen_desktop_names;
-Window          screen_support_win;
-Time            screen_desktop_user_time = CurrentTime;
+guint                  screen_num_desktops;
+guint                  screen_num_monitors;
+guint                  screen_desktop;
+guint                  screen_last_desktop;
+ObScreenShowDestopMode screen_show_desktop_mode;
+ObDesktopLayout        screen_desktop_layout;
+gchar                **screen_desktop_names;
+Window                 screen_support_win;
+Time                   screen_desktop_user_time = CurrentTime;
 
 static Size     screen_physical_size;
 static guint    screen_old_desktop;
 static gboolean screen_desktop_timeout = TRUE;
+static guint    screen_desktop_timer = 0;
 /*! An array of desktops, holding an array of areas per monitor */
 static Rect  *monitor_area = NULL;
 /*! An array of desktops, holding an array of struts */
@@ -77,11 +79,13 @@ static GSList *struts_left = NULL;
 static GSList *struts_right = NULL;
 static GSList *struts_bottom = NULL;
 
-static ObPagerPopup **desktop_popup = NULL;
+static ObPagerPopup *desktop_popup;
+static guint         desktop_popup_timer = 0;
+static gboolean      desktop_popup_perm;
 
 /*! The number of microseconds that you need to be on a desktop before it will
   replace the remembered "last desktop" */
-#define REMEMBER_LAST_DESKTOP_TIME 750000
+#define REMEMBER_LAST_DESKTOP_TIME 750
 
 static gboolean replace_wm(void)
 {
@@ -91,10 +95,10 @@ static gboolean replace_wm(void)
     Time timestamp;
 
     wm_sn = g_strdup_printf("WM_S%d", ob_screen);
-    wm_sn_atom = XInternAtom(ob_display, wm_sn, FALSE);
+    wm_sn_atom = XInternAtom(obt_display, wm_sn, FALSE);
     g_free(wm_sn);
 
-    current_wm_sn_owner = XGetSelectionOwner(ob_display, wm_sn_atom);
+    current_wm_sn_owner = XGetSelectionOwner(obt_display, wm_sn_atom);
     if (current_wm_sn_owner == screen_support_win)
         current_wm_sn_owner = None;
     if (current_wm_sn_owner) {
@@ -103,24 +107,23 @@ static gboolean replace_wm(void)
                       ob_screen);
             return FALSE;
         }
-        xerror_set_ignore(TRUE);
-        xerror_occured = FALSE;
+        obt_display_ignore_errors(TRUE);
 
         /* We want to find out when the current selection owner dies */
-        XSelectInput(ob_display, current_wm_sn_owner, StructureNotifyMask);
-        XSync(ob_display, FALSE);
+        XSelectInput(obt_display, current_wm_sn_owner, StructureNotifyMask);
+        XSync(obt_display, FALSE);
 
-        xerror_set_ignore(FALSE);
-        if (xerror_occured)
+        obt_display_ignore_errors(FALSE);
+        if (obt_display_error_occured)
             current_wm_sn_owner = None;
     }
 
-    timestamp = event_get_server_time();
+    timestamp = event_time();
 
-    XSetSelectionOwner(ob_display, wm_sn_atom, screen_support_win,
+    XSetSelectionOwner(obt_display, wm_sn_atom, screen_support_win,
                        timestamp);
 
-    if (XGetSelectionOwner(ob_display, wm_sn_atom) != screen_support_win) {
+    if (XGetSelectionOwner(obt_display, wm_sn_atom) != screen_support_win) {
         g_message(_("Could not acquire window manager selection on screen %d"),
                   ob_screen);
         return FALSE;
@@ -128,14 +131,16 @@ static gboolean replace_wm(void)
 
     /* Wait for old window manager to go away */
     if (current_wm_sn_owner) {
-      XEvent event;
       gulong wait = 0;
       const gulong timeout = G_USEC_PER_SEC * 15; /* wait for 15s max */
+      ObtXQueueWindowType wt;
+
+      wt.window = current_wm_sn_owner;
+      wt.type = DestroyNotify;
 
       while (wait < timeout) {
-          if (XCheckWindowEvent(ob_display, current_wm_sn_owner,
-                                StructureNotifyMask, &event) &&
-              event.type == DestroyNotify)
+          /* Checks the local queue and incoming events for this event */
+          if (xqueue_exists_local(xqueue_match_window_type, &wt))
               break;
           g_usleep(G_USEC_PER_SEC / 10);
           wait += G_USEC_PER_SEC / 10;
@@ -148,9 +153,9 @@ static gboolean replace_wm(void)
     }
 
     /* Send client message indicating that we are now the WM */
-    prop_message(RootWindow(ob_display, ob_screen), prop_atoms.manager,
-                 timestamp, wm_sn_atom, screen_support_win, 0,
-                 SubstructureNotifyMask);
+    obt_prop_message(ob_screen, obt_root(ob_screen), OBT_PROP_ATOM(MANAGER),
+                     timestamp, wm_sn_atom, screen_support_win, 0, 0,
+                     SubstructureNotifyMask);
 
     return TRUE;
 }
@@ -160,37 +165,33 @@ gboolean screen_annex(void)
     XSetWindowAttributes attrib;
     pid_t pid;
     gint i, num_support;
-    Atom *prop_atoms_start, *wm_supported_pos;
     gulong *supported;
 
     /* create the netwm support window */
     attrib.override_redirect = TRUE;
     attrib.event_mask = PropertyChangeMask;
-    screen_support_win = XCreateWindow(ob_display,
-                                       RootWindow(ob_display, ob_screen),
+    screen_support_win = XCreateWindow(obt_display, obt_root(ob_screen),
                                        -100, -100, 1, 1, 0,
                                        CopyFromParent, InputOutput,
                                        CopyFromParent,
                                        CWEventMask | CWOverrideRedirect,
                                        &attrib);
-    XMapWindow(ob_display, screen_support_win);
-    XLowerWindow(ob_display, screen_support_win);
+    XMapWindow(obt_display, screen_support_win);
+    XLowerWindow(obt_display, screen_support_win);
 
     if (!replace_wm()) {
-        XDestroyWindow(ob_display, screen_support_win);
+        XDestroyWindow(obt_display, screen_support_win);
         return FALSE;
     }
 
-    xerror_set_ignore(TRUE);
-    xerror_occured = FALSE;
-    XSelectInput(ob_display, RootWindow(ob_display, ob_screen),
-                 ROOT_EVENTMASK);
-    xerror_set_ignore(FALSE);
-    if (xerror_occured) {
+    obt_display_ignore_errors(TRUE);
+    XSelectInput(obt_display, obt_root(ob_screen), ROOT_EVENTMASK);
+    obt_display_ignore_errors(FALSE);
+    if (obt_display_error_occured) {
         g_message(_("A window manager is already running on screen %d"),
                   ob_screen);
 
-        XDestroyWindow(ob_display, screen_support_win);
+        XDestroyWindow(obt_display, screen_support_win);
         return FALSE;
     }
 
@@ -198,116 +199,124 @@ gboolean screen_annex(void)
 
     /* set the OPENBOX_PID hint */
     pid = getpid();
-    PROP_SET32(RootWindow(ob_display, ob_screen),
-               openbox_pid, cardinal, pid);
+    OBT_PROP_SET32(obt_root(ob_screen), OPENBOX_PID, CARDINAL, pid);
 
     /* set supporting window */
-    PROP_SET32(RootWindow(ob_display, ob_screen),
-               net_supporting_wm_check, window, screen_support_win);
+    OBT_PROP_SET32(obt_root(ob_screen),
+                   NET_SUPPORTING_WM_CHECK, WINDOW, screen_support_win);
 
     /* set properties on the supporting window */
-    PROP_SETS(screen_support_win, net_wm_name, "Openbox");
-    PROP_SET32(screen_support_win, net_supporting_wm_check,
-               window, screen_support_win);
+    OBT_PROP_SETS(screen_support_win, NET_WM_NAME, "Openbox");
+    OBT_PROP_SET32(screen_support_win, NET_SUPPORTING_WM_CHECK,
+                   WINDOW, screen_support_win);
 
     /* set the _NET_SUPPORTED_ATOMS hint */
 
-    /* this is all the atoms after net_supported in the prop_atoms struct */
-    prop_atoms_start = (Atom*)&prop_atoms;
-    wm_supported_pos = (Atom*)&(prop_atoms.net_supported);
-    num_support = sizeof(prop_atoms) / sizeof(Atom) -
-        (wm_supported_pos - prop_atoms_start) - 1;
+    /* this is all the atoms after NET_SUPPORTED in the ObtPropAtoms enum */
+    num_support = OBT_PROP_NUM_ATOMS - OBT_PROP_NET_SUPPORTED - 1;
     i = 0;
     supported = g_new(gulong, num_support);
-    supported[i++] = prop_atoms.net_supporting_wm_check;
-    supported[i++] = prop_atoms.net_wm_full_placement;
-    supported[i++] = prop_atoms.net_current_desktop;
-    supported[i++] = prop_atoms.net_number_of_desktops;
-    supported[i++] = prop_atoms.net_desktop_geometry;
-    supported[i++] = prop_atoms.net_desktop_viewport;
-    supported[i++] = prop_atoms.net_active_window;
-    supported[i++] = prop_atoms.net_workarea;
-    supported[i++] = prop_atoms.net_client_list;
-    supported[i++] = prop_atoms.net_client_list_stacking;
-    supported[i++] = prop_atoms.net_desktop_names;
-    supported[i++] = prop_atoms.net_close_window;
-    supported[i++] = prop_atoms.net_desktop_layout;
-    supported[i++] = prop_atoms.net_showing_desktop;
-    supported[i++] = prop_atoms.net_wm_name;
-    supported[i++] = prop_atoms.net_wm_visible_name;
-    supported[i++] = prop_atoms.net_wm_icon_name;
-    supported[i++] = prop_atoms.net_wm_visible_icon_name;
-    supported[i++] = prop_atoms.net_wm_desktop;
-    supported[i++] = prop_atoms.net_wm_strut;
-    supported[i++] = prop_atoms.net_wm_strut_partial;
-    supported[i++] = prop_atoms.net_wm_icon;
-    supported[i++] = prop_atoms.net_wm_icon_geometry;
-    supported[i++] = prop_atoms.net_wm_window_type;
-    supported[i++] = prop_atoms.net_wm_window_type_desktop;
-    supported[i++] = prop_atoms.net_wm_window_type_dock;
-    supported[i++] = prop_atoms.net_wm_window_type_toolbar;
-    supported[i++] = prop_atoms.net_wm_window_type_menu;
-    supported[i++] = prop_atoms.net_wm_window_type_utility;
-    supported[i++] = prop_atoms.net_wm_window_type_splash;
-    supported[i++] = prop_atoms.net_wm_window_type_dialog;
-    supported[i++] = prop_atoms.net_wm_window_type_normal;
-    supported[i++] = prop_atoms.net_wm_allowed_actions;
-    supported[i++] = prop_atoms.net_wm_action_move;
-    supported[i++] = prop_atoms.net_wm_action_resize;
-    supported[i++] = prop_atoms.net_wm_action_minimize;
-    supported[i++] = prop_atoms.net_wm_action_shade;
-    supported[i++] = prop_atoms.net_wm_action_maximize_horz;
-    supported[i++] = prop_atoms.net_wm_action_maximize_vert;
-    supported[i++] = prop_atoms.net_wm_action_fullscreen;
-    supported[i++] = prop_atoms.net_wm_action_change_desktop;
-    supported[i++] = prop_atoms.net_wm_action_close;
-    supported[i++] = prop_atoms.net_wm_action_above;
-    supported[i++] = prop_atoms.net_wm_action_below;
-    supported[i++] = prop_atoms.net_wm_state;
-    supported[i++] = prop_atoms.net_wm_state_modal;
-    supported[i++] = prop_atoms.net_wm_state_maximized_vert;
-    supported[i++] = prop_atoms.net_wm_state_maximized_horz;
-    supported[i++] = prop_atoms.net_wm_state_shaded;
-    supported[i++] = prop_atoms.net_wm_state_skip_taskbar;
-    supported[i++] = prop_atoms.net_wm_state_skip_pager;
-    supported[i++] = prop_atoms.net_wm_state_hidden;
-    supported[i++] = prop_atoms.net_wm_state_fullscreen;
-    supported[i++] = prop_atoms.net_wm_state_above;
-    supported[i++] = prop_atoms.net_wm_state_below;
-    supported[i++] = prop_atoms.net_wm_state_demands_attention;
-    supported[i++] = prop_atoms.net_moveresize_window;
-    supported[i++] = prop_atoms.net_wm_moveresize;
-    supported[i++] = prop_atoms.net_wm_user_time;
+    supported[i++] = OBT_PROP_ATOM(NET_SUPPORTING_WM_CHECK);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_FULL_PLACEMENT);
+    supported[i++] = OBT_PROP_ATOM(NET_CURRENT_DESKTOP);
+    supported[i++] = OBT_PROP_ATOM(NET_NUMBER_OF_DESKTOPS);
+    supported[i++] = OBT_PROP_ATOM(NET_DESKTOP_GEOMETRY);
+    supported[i++] = OBT_PROP_ATOM(NET_DESKTOP_VIEWPORT);
+    supported[i++] = OBT_PROP_ATOM(NET_ACTIVE_WINDOW);
+    supported[i++] = OBT_PROP_ATOM(NET_WORKAREA);
+    supported[i++] = OBT_PROP_ATOM(NET_CLIENT_LIST);
+    supported[i++] = OBT_PROP_ATOM(NET_CLIENT_LIST_STACKING);
+    supported[i++] = OBT_PROP_ATOM(NET_DESKTOP_NAMES);
+    supported[i++] = OBT_PROP_ATOM(NET_CLOSE_WINDOW);
+    supported[i++] = OBT_PROP_ATOM(NET_DESKTOP_LAYOUT);
+    supported[i++] = OBT_PROP_ATOM(NET_SHOWING_DESKTOP);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_NAME);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_VISIBLE_NAME);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_ICON_NAME);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_VISIBLE_ICON_NAME);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_DESKTOP);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_STRUT);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_STRUT_PARTIAL);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_ICON);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_ICON_GEOMETRY);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_DESKTOP);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_DOCK);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_TOOLBAR);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_MENU);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_UTILITY);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_SPLASH);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_DIALOG);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_NORMAL);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_ALLOWED_ACTIONS);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_OPACITY);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_MOVE);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_RESIZE);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_MINIMIZE);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_SHADE);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_MAXIMIZE_HORZ);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_MAXIMIZE_VERT);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_FULLSCREEN);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_CHANGE_DESKTOP);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_CLOSE);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_ABOVE);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_BELOW);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_STATE);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_MODAL);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_VERT);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_HORZ);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_SHADED);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_SKIP_TASKBAR);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_SKIP_PAGER);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_HIDDEN);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_FULLSCREEN);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_ABOVE);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_BELOW);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_STATE_DEMANDS_ATTENTION);
+    supported[i++] = OBT_PROP_ATOM(NET_MOVERESIZE_WINDOW);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_MOVERESIZE);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_USER_TIME);
 /*
-    supported[i++] = prop_atoms.net_wm_user_time_window;
+    supported[i++] = OBT_PROP_ATOM(NET_WM_USER_TIME_WINDOW);
 */
-    supported[i++] = prop_atoms.net_frame_extents;
-    supported[i++] = prop_atoms.net_request_frame_extents;
-    supported[i++] = prop_atoms.net_restack_window;
-    supported[i++] = prop_atoms.net_startup_id;
+    supported[i++] = OBT_PROP_ATOM(NET_FRAME_EXTENTS);
+    supported[i++] = OBT_PROP_ATOM(NET_REQUEST_FRAME_EXTENTS);
+    supported[i++] = OBT_PROP_ATOM(NET_RESTACK_WINDOW);
+    supported[i++] = OBT_PROP_ATOM(NET_STARTUP_ID);
 #ifdef SYNC
-    supported[i++] = prop_atoms.net_wm_sync_request;
-    supported[i++] = prop_atoms.net_wm_sync_request_counter;
+    supported[i++] = OBT_PROP_ATOM(NET_WM_SYNC_REQUEST);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_SYNC_REQUEST_COUNTER);
 #endif
-    supported[i++] = prop_atoms.net_wm_pid;
-    supported[i++] = prop_atoms.net_wm_ping;
-
-    supported[i++] = prop_atoms.kde_wm_change_state;
-    supported[i++] = prop_atoms.kde_net_wm_frame_strut;
-    supported[i++] = prop_atoms.kde_net_wm_window_type_override;
-
-    supported[i++] = prop_atoms.ob_wm_action_undecorate;
-    supported[i++] = prop_atoms.ob_wm_state_undecorated;
-    supported[i++] = prop_atoms.openbox_pid;
-    supported[i++] = prop_atoms.ob_theme;
-    supported[i++] = prop_atoms.ob_config_file;
-    supported[i++] = prop_atoms.ob_control;
+    supported[i++] = OBT_PROP_ATOM(NET_WM_PID);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_PING);
+
+    supported[i++] = OBT_PROP_ATOM(KDE_WM_CHANGE_STATE);
+    supported[i++] = OBT_PROP_ATOM(KDE_NET_WM_FRAME_STRUT);
+    supported[i++] = OBT_PROP_ATOM(KDE_NET_WM_WINDOW_TYPE_OVERRIDE);
+
+    supported[i++] = OBT_PROP_ATOM(OB_WM_ACTION_UNDECORATE);
+    supported[i++] = OBT_PROP_ATOM(OB_WM_STATE_UNDECORATED);
+    supported[i++] = OBT_PROP_ATOM(OPENBOX_PID);
+    supported[i++] = OBT_PROP_ATOM(OB_THEME);
+    supported[i++] = OBT_PROP_ATOM(OB_CONFIG_FILE);
+    supported[i++] = OBT_PROP_ATOM(OB_CONTROL);
+    supported[i++] = OBT_PROP_ATOM(OB_VERSION);
+    supported[i++] = OBT_PROP_ATOM(OB_APP_ROLE);
+    supported[i++] = OBT_PROP_ATOM(OB_APP_TITLE);
+    supported[i++] = OBT_PROP_ATOM(OB_APP_NAME);
+    supported[i++] = OBT_PROP_ATOM(OB_APP_CLASS);
+    supported[i++] = OBT_PROP_ATOM(OB_APP_GROUP_NAME);
+    supported[i++] = OBT_PROP_ATOM(OB_APP_GROUP_CLASS);
+    supported[i++] = OBT_PROP_ATOM(OB_APP_TYPE);
     g_assert(i == num_support);
 
-    PROP_SETA32(RootWindow(ob_display, ob_screen),
-                net_supported, atom, supported, num_support);
+    OBT_PROP_SETA32(obt_root(ob_screen),
+                    NET_SUPPORTED, ATOM, supported, num_support);
     g_free(supported);
 
+    OBT_PROP_SETS(RootWindow(obt_display, ob_screen), OB_VERSION,
+                  OPENBOX_VERSION);
+
     screen_tell_ksplash();
 
     return TRUE;
@@ -337,14 +346,14 @@ static void screen_tell_ksplash(void)
        hear it anyways. perhaps it is for old ksplash. or new ksplash. or
        something. oh well. */
     e.xclient.type = ClientMessage;
-    e.xclient.display = ob_display;
-    e.xclient.window = RootWindow(ob_display, ob_screen);
+    e.xclient.display = obt_display;
+    e.xclient.window = obt_root(ob_screen);
     e.xclient.message_type =
-        XInternAtom(ob_display, "_KDE_SPLASH_PROGRESS", False);
+        XInternAtom(obt_display, "_KDE_SPLASH_PROGRESS", False);
     e.xclient.format = 8;
     strcpy(e.xclient.data.b, "wm started");
-    XSendEvent(ob_display, RootWindow(ob_display, ob_screen),
-               False, SubstructureNotifyMask, &e );
+    XSendEvent(obt_display, obt_root(ob_screen),
+               False, SubstructureNotifyMask, &e);
 }
 
 void screen_startup(gboolean reconfig)
@@ -353,20 +362,15 @@ void screen_startup(gboolean reconfig)
     guint32 d;
     gboolean namesexist = FALSE;
 
-    if (reconfig) {
-        guint i;
-
-        /* recreate the pager popups to use any new theme stuff. it was
-           freed in screen_shutdown() already. */
-        desktop_popup = g_new(ObPagerPopup*, screen_num_monitors);
-        for (i = 0; i < screen_num_monitors; i++) {
-            desktop_popup[i] = pager_popup_new();
-            pager_popup_height(desktop_popup[i], POPUP_HEIGHT);
-            pager_popup_text_width_to_strings(desktop_popup[i],
-                                              screen_desktop_names,
-                                              screen_num_desktops);
-        }
+    desktop_popup = pager_popup_new();
+    desktop_popup_perm = FALSE;
+    pager_popup_height(desktop_popup, POPUP_HEIGHT);
 
+    if (reconfig) {
+        /* update the pager popup's width */
+        pager_popup_text_width_to_strings(desktop_popup,
+                                          screen_desktop_names,
+                                          screen_num_desktops);
         return;
     }
 
@@ -374,9 +378,7 @@ void screen_startup(gboolean reconfig)
     screen_resize();
 
     /* have names already been set for the desktops? */
-    if (PROP_GETSS(RootWindow(ob_display, ob_screen),
-                   net_desktop_names, utf8, &names))
-    {
+    if (OBT_PROP_GETSS_UTF8(obt_root(ob_screen), NET_DESKTOP_NAMES, &names)) {
         g_strfreev(names);
         namesexist = TRUE;
     }
@@ -397,7 +399,8 @@ void screen_startup(gboolean reconfig)
             names[i] = g_strdup(it->data);
 
         /* set the root window property */
-        PROP_SETSS(RootWindow(ob_display, ob_screen), net_desktop_names,names);
+        OBT_PROP_SETSS(obt_root(ob_screen),
+                       NET_DESKTOP_NAMES, (const gchar*const*)names);
 
         g_strfreev(names);
     }
@@ -407,8 +410,8 @@ void screen_startup(gboolean reconfig)
        this will also set the default names from the config file up for
        desktops that don't have names yet */
     screen_num_desktops = 0;
-    if (PROP_GET32(RootWindow(ob_display, ob_screen),
-                   net_number_of_desktops, cardinal, &d))
+    if (OBT_PROP_GET32(obt_root(ob_screen),
+                       NET_NUMBER_OF_DESKTOPS, CARDINAL, &d))
     {
         if (d != config_desktops_num) {
             /* TRANSLATORS: If you need to specify a different order of the
@@ -428,8 +431,8 @@ void screen_startup(gboolean reconfig)
 
     screen_desktop = screen_num_desktops;  /* something invalid */
     /* start on the current desktop when a wm was already running */
-    if (PROP_GET32(RootWindow(ob_display, ob_screen),
-                   net_current_desktop, cardinal, &d) &&
+    if (OBT_PROP_GET32(obt_root(ob_screen),
+                       NET_CURRENT_DESKTOP, CARDINAL, &d) &&
         d < screen_num_desktops)
     {
         screen_set_desktop(d, FALSE);
@@ -442,9 +445,9 @@ void screen_startup(gboolean reconfig)
     screen_last_desktop = screen_desktop;
 
     /* don't start in showing-desktop mode */
-    screen_showing_desktop = FALSE;
-    PROP_SET32(RootWindow(ob_display, ob_screen),
-               net_showing_desktop, cardinal, screen_showing_desktop);
+    screen_show_desktop_mode = SCREEN_SHOW_DESKTOP_NO;
+    OBT_PROP_SET32(obt_root(ob_screen),
+                   NET_SHOWING_DESKTOP, CARDINAL, screen_showing_desktop());
 
     if (session_desktop_layout_present &&
         screen_validate_layout(&session_desktop_layout))
@@ -457,27 +460,21 @@ void screen_startup(gboolean reconfig)
 
 void screen_shutdown(gboolean reconfig)
 {
-    guint i;
-
-    for (i = 0; i < screen_num_monitors; i++)
-        pager_popup_free(desktop_popup[i]);
-    g_free(desktop_popup);
-    desktop_popup = NULL;
+    pager_popup_free(desktop_popup);
 
     if (reconfig)
         return;
 
-    XSelectInput(ob_display, RootWindow(ob_display, ob_screen),
-                 NoEventMask);
+    XSelectInput(obt_display, obt_root(ob_screen), NoEventMask);
 
     /* we're not running here no more! */
-    PROP_ERASE(RootWindow(ob_display, ob_screen), openbox_pid);
+    OBT_PROP_ERASE(obt_root(ob_screen), OPENBOX_PID);
     /* not without us */
-    PROP_ERASE(RootWindow(ob_display, ob_screen), net_supported);
+    OBT_PROP_ERASE(obt_root(ob_screen), NET_SUPPORTED);
     /* don't keep this mode */
-    PROP_ERASE(RootWindow(ob_display, ob_screen), net_showing_desktop);
+    OBT_PROP_ERASE(obt_root(ob_screen), NET_SHOWING_DESKTOP);
 
-    XDestroyWindow(ob_display, screen_support_win);
+    XDestroyWindow(obt_display, screen_support_win);
 
     g_strfreev(screen_desktop_names);
     screen_desktop_names = NULL;
@@ -485,38 +482,33 @@ void screen_shutdown(gboolean reconfig)
 
 void screen_resize(void)
 {
-    static gint oldw = 0, oldh = 0;
     gint w, h;
     GList *it;
     gulong geometry[2];
 
-    w = WidthOfScreen(ScreenOfDisplay(ob_display, ob_screen));
-    h = HeightOfScreen(ScreenOfDisplay(ob_display, ob_screen));
-
-    if (w == oldw && h == oldh) return;
-
-    oldw = w; oldh = h;
+    w = WidthOfScreen(ScreenOfDisplay(obt_display, ob_screen));
+    h = HeightOfScreen(ScreenOfDisplay(obt_display, ob_screen));
 
     /* Set the _NET_DESKTOP_GEOMETRY hint */
     screen_physical_size.width = geometry[0] = w;
     screen_physical_size.height = geometry[1] = h;
-    PROP_SETA32(RootWindow(ob_display, ob_screen),
-                net_desktop_geometry, cardinal, geometry, 2);
+    OBT_PROP_SETA32(obt_root(ob_screen),
+                    NET_DESKTOP_GEOMETRY, CARDINAL, geometry, 2);
 
     if (ob_state() != OB_STATE_RUNNING)
         return;
 
-    screen_update_areas();
+    /* this calls screen_update_areas(), which we need ! */
     dock_configure();
 
-    /* make sure all windows are visible */
-    for (it = client_list; it; it = g_list_next(it))
+    for (it = client_list; it; it = g_list_next(it)) {
         client_move_onscreen(it->data, FALSE);
+        client_reconfigure(it->data, FALSE);
+    }
 }
 
 void screen_set_num_desktops(guint num)
 {
-    guint old;
     gulong *viewport;
     GList *it, *stacking_copy;
 
@@ -524,15 +516,13 @@ void screen_set_num_desktops(guint num)
 
     if (screen_num_desktops == num) return;
 
-    old = screen_num_desktops;
     screen_num_desktops = num;
-    PROP_SET32(RootWindow(ob_display, ob_screen),
-               net_number_of_desktops, cardinal, num);
+    OBT_PROP_SET32(obt_root(ob_screen), NET_NUMBER_OF_DESKTOPS, CARDINAL, num);
 
     /* set the viewport hint */
     viewport = g_new0(gulong, num * 2);
-    PROP_SETA32(RootWindow(ob_display, ob_screen),
-                net_desktop_viewport, cardinal, viewport, num * 2);
+    OBT_PROP_SETA32(obt_root(ob_screen),
+                    NET_DESKTOP_VIEWPORT, CARDINAL, viewport, num * 2);
     g_free(viewport);
 
     /* the number of rows/columns will differ */
@@ -612,7 +602,8 @@ static void screen_fallback_focus(void)
 static gboolean last_desktop_func(gpointer data)
 {
     screen_desktop_timeout = TRUE;
-    return FALSE;
+    screen_desktop_timer = 0;
+    return FALSE; /* don't repeat */
 }
 
 void screen_set_desktop(guint num, gboolean dofocus)
@@ -628,8 +619,7 @@ void screen_set_desktop(guint num, gboolean dofocus)
 
     if (previous == num) return;
 
-    PROP_SET32(RootWindow(ob_display, ob_screen),
-               net_current_desktop, cardinal, num);
+    OBT_PROP_SET32(obt_root(ob_screen), NET_CURRENT_DESKTOP, CARDINAL, num);
 
     /* This whole thing decides when/how to save the screen_last_desktop so
        that it can be restored later if you want */
@@ -695,14 +685,14 @@ void screen_set_desktop(guint num, gboolean dofocus)
         }
     }
     screen_desktop_timeout = FALSE;
-    ob_main_loop_timeout_remove(ob_main_loop, last_desktop_func);
-    ob_main_loop_timeout_add(ob_main_loop, REMEMBER_LAST_DESKTOP_TIME,
-                             last_desktop_func, NULL, NULL, NULL);
+    if (screen_desktop_timer) g_source_remove(screen_desktop_timer);
+    screen_desktop_timer = g_timeout_add(REMEMBER_LAST_DESKTOP_TIME,
+                                         last_desktop_func, NULL);
 
-    ob_debug("Moving to desktop %d\n", num+1);
+    ob_debug("Moving to desktop %d", num+1);
 
     if (ob_state() == OB_STATE_RUNNING)
-        screen_show_desktop_popup(screen_desktop);
+        screen_show_desktop_popup(screen_desktop, FALSE);
 
     /* ignore enter events caused by the move */
     ignore_start = event_start_ignore_all_enters();
@@ -726,23 +716,28 @@ void screen_set_desktop(guint num, gboolean dofocus)
     for (it = g_list_last(stacking_list); it; it = g_list_previous(it)) {
         if (WINDOW_IS_CLIENT(it->data)) {
             ObClient *c = it->data;
-            client_hide(c);
-            if (c == focus_client) {
-                /* c was focused and we didn't do fallback clearly so make sure
-                   openbox doesnt still consider the window focused.
-                   this happens when using NextWindow with allDesktops, since
-                   it doesnt want to move focus on desktop change, but the
-                   focus is not going to stay with the current window, which
-                   has now disappeared */
-                focus_set_client(NULL);
+            if (client_hide(c)) {
+                if (c == focus_client) {
+                    /* c was focused and we didn't do fallback clearly so make
+                       sure openbox doesnt still consider the window focused.
+                       this happens when using NextWindow with allDesktops,
+                       since it doesnt want to move focus on desktop change,
+                       but the focus is not going to stay with the current
+                       window, which has now disappeared.
+                       only do this if the client was actually hidden,
+                       otherwise it can keep focus. */
+                    focus_set_client(NULL);
+                }
             }
         }
     }
 
+    focus_cycle_addremove(NULL, TRUE);
+
     event_end_ignore_all_enters(ignore_start);
 
-    if (event_curtime != CurrentTime)
-        screen_desktop_user_time = event_curtime;
+    if (event_source_time() != CurrentTime)
+        screen_desktop_user_time = event_source_time();
 }
 
 void screen_add_desktop(gboolean current)
@@ -765,7 +760,7 @@ void screen_add_desktop(gboolean current)
                    parent - which will have to be on the same desktop */
                 !client_direct_parent(c))
             {
-                ob_debug("moving window %s\n", c->title);
+                ob_debug("moving window %s", c->title);
                 client_set_desktop(c, c->desktop+1, FALSE, TRUE);
             }
         }
@@ -806,7 +801,7 @@ void screen_remove_desktop(gboolean current)
                    parent - which will have to be on the same desktop */
                 !client_direct_parent(c))
             {
-                ob_debug("moving window %s\n", c->title);
+                ob_debug("moving window %s", c->title);
                 client_set_desktop(c, c->desktop - 1, TRUE, TRUE);
             }
             /* raise all the windows that are on the current desktop which
@@ -816,7 +811,7 @@ void screen_remove_desktop(gboolean current)
                 (d == DESKTOP_ALL || d == screen_desktop))
             {
                 stacking_raise(CLIENT_AS_WINDOW(c));
-                ob_debug("raising window %s\n", c->title);
+                ob_debug("raising window %s", c->title);
             }
         }
     }
@@ -825,7 +820,7 @@ void screen_remove_desktop(gboolean current)
     /* fallback focus like we're changing desktops */
     if (screen_desktop < screen_num_desktops - 1) {
         screen_fallback_focus();
-        ob_debug("fake desktop change\n");
+        ob_debug("fake desktop change");
     }
 
     screen_set_num_desktops(screen_num_desktops-1);
@@ -943,52 +938,47 @@ static guint translate_row_col(guint r, guint c)
 
 static gboolean hide_desktop_popup_func(gpointer data)
 {
-    guint i;
-
-    for (i = 0; i < screen_num_monitors; i++) {
-        pager_popup_hide(desktop_popup[i]);
-    }
+    pager_popup_hide(desktop_popup);
+    desktop_popup_timer = 0;
     return FALSE; /* don't repeat */
 }
 
-void screen_show_desktop_popup(guint d)
+void screen_show_desktop_popup(guint d, gboolean perm)
 {
-    Rect *a;
-    guint i;
+    const Rect *a;
 
     /* 0 means don't show the popup */
     if (!config_desktop_popup_time) return;
 
-    for (i = 0; i < screen_num_monitors; i++) {
-        a = screen_physical_area_monitor(i);
-        pager_popup_position(desktop_popup[i], CenterGravity,
-                             a->x + a->width / 2, a->y + a->height / 2);
-        pager_popup_icon_size_multiplier(desktop_popup[i],
-                                         (screen_desktop_layout.columns /
-                                          screen_desktop_layout.rows) / 2,
-                                         (screen_desktop_layout.rows/
-                                          screen_desktop_layout.columns) / 2);
-        pager_popup_max_width(desktop_popup[i],
-                              MAX(a->width/3, POPUP_WIDTH));
-        pager_popup_show(desktop_popup[i], screen_desktop_names[d], d);
-
-        ob_main_loop_timeout_remove(ob_main_loop, hide_desktop_popup_func);
-        ob_main_loop_timeout_add(ob_main_loop, config_desktop_popup_time * 1000,
-                                 hide_desktop_popup_func, desktop_popup[i],
-                                 g_direct_equal, NULL);
-        g_free(a);
-    }
+    a = screen_physical_area_primary(FALSE);
+    pager_popup_position(desktop_popup, CenterGravity,
+                         a->x + a->width / 2, a->y + a->height / 2);
+    pager_popup_icon_size_multiplier(desktop_popup,
+                                     (screen_desktop_layout.columns /
+                                      screen_desktop_layout.rows) / 2,
+                                     (screen_desktop_layout.rows/
+                                      screen_desktop_layout.columns) / 2);
+    pager_popup_max_width(desktop_popup,
+                          MAX(a->width/3, POPUP_WIDTH));
+    pager_popup_show(desktop_popup, screen_desktop_names[d], d);
+
+    if (desktop_popup_timer) g_source_remove(desktop_popup_timer);
+    desktop_popup_timer = 0;
+    if (!perm && !desktop_popup_perm)
+        /* only hide if its not already being show permanently */
+        desktop_popup_timer = g_timeout_add(config_desktop_popup_time,
+                                            hide_desktop_popup_func,
+                                            desktop_popup);
+    if (perm)
+        desktop_popup_perm = TRUE;
 }
 
 void screen_hide_desktop_popup(void)
 {
-    guint i;
-
-    for (i = 0; i < screen_num_monitors; i++) {
-        ob_main_loop_timeout_remove_data(ob_main_loop, hide_desktop_popup_func,
-                                         desktop_popup[i], FALSE);
-        pager_popup_hide(desktop_popup[i]);
-    }
+    if (desktop_popup_timer) g_source_remove(desktop_popup_timer);
+    desktop_popup_timer = 0;
+    pager_popup_hide(desktop_popup);
+    desktop_popup_perm = FALSE;
 }
 
 guint screen_find_desktop(guint from, ObDirection dir,
@@ -1146,13 +1136,13 @@ void screen_update_layout(void)
     screen_desktop_layout.rows = 1;
     screen_desktop_layout.columns = screen_num_desktops;
 
-    if (PROP_GETA32(RootWindow(ob_display, ob_screen),
-                    net_desktop_layout, cardinal, &data, &num)) {
+    if (OBT_PROP_GETA32(obt_root(ob_screen),
+                        NET_DESKTOP_LAYOUT, CARDINAL, &data, &num)) {
         if (num == 3 || num == 4) {
 
-            if (data[0] == prop_atoms.net_wm_orientation_vert)
+            if (data[0] == OBT_PROP_ATOM(NET_WM_ORIENTATION_VERT))
                 l.orientation = OB_ORIENTATION_VERT;
-            else if (data[0] == prop_atoms.net_wm_orientation_horz)
+            else if (data[0] == OBT_PROP_ATOM(NET_WM_ORIENTATION_HORZ))
                 l.orientation = OB_ORIENTATION_HORZ;
             else
                 return;
@@ -1160,13 +1150,13 @@ void screen_update_layout(void)
             if (num < 4)
                 l.start_corner = OB_CORNER_TOPLEFT;
             else {
-                if (data[3] == prop_atoms.net_wm_topleft)
+                if (data[3] == OBT_PROP_ATOM(NET_WM_TOPLEFT))
                     l.start_corner = OB_CORNER_TOPLEFT;
-                else if (data[3] == prop_atoms.net_wm_topright)
+                else if (data[3] == OBT_PROP_ATOM(NET_WM_TOPRIGHT))
                     l.start_corner = OB_CORNER_TOPRIGHT;
-                else if (data[3] == prop_atoms.net_wm_bottomright)
+                else if (data[3] == OBT_PROP_ATOM(NET_WM_BOTTOMRIGHT))
                     l.start_corner = OB_CORNER_BOTTOMRIGHT;
-                else if (data[3] == prop_atoms.net_wm_bottomleft)
+                else if (data[3] == OBT_PROP_ATOM(NET_WM_BOTTOMLEFT))
                     l.start_corner = OB_CORNER_BOTTOMLEFT;
                 else
                     return;
@@ -1191,8 +1181,8 @@ void screen_update_desktop_names(void)
     g_strfreev(screen_desktop_names);
     screen_desktop_names = NULL;
 
-    if (PROP_GETSS(RootWindow(ob_display, ob_screen),
-                   net_desktop_names, utf8, &screen_desktop_names))
+    if (OBT_PROP_GETSS(obt_root(ob_screen),
+                       NET_DESKTOP_NAMES, &screen_desktop_names))
         for (i = 0; screen_desktop_names[i] && i < screen_num_desktops; ++i);
     else
         i = 0;
@@ -1218,27 +1208,43 @@ void screen_update_desktop_names(void)
 
         /* if we changed any names, then set the root property so we can
            all agree on the names */
-        PROP_SETSS(RootWindow(ob_display, ob_screen), net_desktop_names,
-                   screen_desktop_names);
+        OBT_PROP_SETSS(obt_root(ob_screen), NET_DESKTOP_NAMES,
+                       (const gchar*const*)screen_desktop_names);
     }
 
     /* resize the pager for these names */
-    for (i = 0; i < screen_num_monitors; i++) {
-        pager_popup_text_width_to_strings(desktop_popup[i],
-                                          screen_desktop_names,
-                                          screen_num_desktops);
-    }
+    pager_popup_text_width_to_strings(desktop_popup,
+                                      screen_desktop_names,
+                                      screen_num_desktops);
 }
 
-void screen_show_desktop(gboolean show, ObClient *show_only)
+void screen_show_desktop(ObScreenShowDestopMode show_mode, ObClient *show_only)
 {
     GList *it;
 
-    if (show == screen_showing_desktop) return; /* no change */
+    ObScreenShowDestopMode before_mode = screen_show_desktop_mode;
+
+    gboolean showing_before = screen_showing_desktop();
+    screen_show_desktop_mode = show_mode;
+    gboolean showing_after = screen_showing_desktop();
 
-    screen_showing_desktop = show;
+    if (showing_before == showing_after) {
+        /* No change. */
+        screen_show_desktop_mode = before_mode;
+        return;
+    }
 
-    if (show) {
+    if (screen_show_desktop_mode == SCREEN_SHOW_DESKTOP_UNTIL_TOGGLE &&
+        show_only != NULL)
+    {
+        /* If we're showing the desktop until the show-mode is toggled, we
+           don't allow breaking out of showing-desktop mode unless we're
+           showing all the windows again. */
+        screen_show_desktop_mode = before_mode;
+        return;
+    }
+
+    if (showing_after) {
         /* hide windows bottom to top */
         for (it = g_list_last(stacking_list); it; it = g_list_previous(it)) {
             if (WINDOW_IS_CLIENT(it->data)) {
@@ -1262,7 +1268,7 @@ void screen_show_desktop(gboolean show, ObClient *show_only)
         }
     }
 
-    if (show) {
+    if (showing_after) {
         /* focus the desktop */
         for (it = focus_order; it; it = g_list_next(it)) {
             ObClient *c = it->data;
@@ -1287,52 +1293,56 @@ void screen_show_desktop(gboolean show, ObClient *show_only)
         }
     }
 
-    show = !!show; /* make it boolean */
-    PROP_SET32(RootWindow(ob_display, ob_screen),
-               net_showing_desktop, cardinal, show);
+    OBT_PROP_SET32(obt_root(ob_screen),
+                   NET_SHOWING_DESKTOP,
+                   CARDINAL,
+                   !!showing_after);
+}
+
+gboolean screen_showing_desktop()
+{
+    switch (screen_show_desktop_mode) {
+    case SCREEN_SHOW_DESKTOP_NO:
+        return FALSE;
+    case SCREEN_SHOW_DESKTOP_UNTIL_WINDOW:
+    case SCREEN_SHOW_DESKTOP_UNTIL_TOGGLE:
+        return TRUE;
+    }
+    g_assert_not_reached();
+    return FALSE;
 }
 
 void screen_install_colormap(ObClient *client, gboolean install)
 {
     if (client == NULL || client->colormap == None) {
         if (install)
-            XInstallColormap(RrDisplay(ob_rr_inst), RrColormap(ob_rr_inst));
+            XInstallColormap(obt_display, RrColormap(ob_rr_inst));
         else
-            XUninstallColormap(RrDisplay(ob_rr_inst), RrColormap(ob_rr_inst));
+            XUninstallColormap(obt_display, RrColormap(ob_rr_inst));
     } else {
-        xerror_set_ignore(TRUE);
+        obt_display_ignore_errors(TRUE);
         if (install)
-            XInstallColormap(RrDisplay(ob_rr_inst), client->colormap);
+            XInstallColormap(obt_display, client->colormap);
         else
-            XUninstallColormap(RrDisplay(ob_rr_inst), client->colormap);
-        xerror_set_ignore(FALSE);
+            XUninstallColormap(obt_display, client->colormap);
+        obt_display_ignore_errors(FALSE);
     }
 }
 
-#define STRUT_LEFT_ON_MONITOR(s, i) \
-    (RANGES_INTERSECT(s->left_start, s->left_end - s->left_start + 1, \
-                      monitor_area[i].y, monitor_area[i].height))
-#define STRUT_RIGHT_ON_MONITOR(s, i) \
-    (RANGES_INTERSECT(s->right_start, s->right_end - s->right_start + 1, \
-                      monitor_area[i].y, monitor_area[i].height))
-#define STRUT_TOP_ON_MONITOR(s, i) \
-    (RANGES_INTERSECT(s->top_start, s->top_end - s->top_start + 1, \
-                      monitor_area[i].x, monitor_area[i].width))
-#define STRUT_BOTTOM_ON_MONITOR(s, i) \
-    (RANGES_INTERSECT(s->bottom_start, s->bottom_end - s->bottom_start + 1, \
-                      monitor_area[i].x, monitor_area[i].width))
-
 typedef struct {
     guint desktop;
     StrutPartial *strut;
 } ObScreenStrut;
 
 #define RESET_STRUT_LIST(sl) \
-    (g_slist_free(sl), sl = NULL)
+    while (sl) { \
+        g_slice_free(ObScreenStrut, (sl)->data); \
+        sl = g_slist_delete_link(sl, sl); \
+    }
 
 #define ADD_STRUT_TO_LIST(sl, d, s) \
 { \
-    ObScreenStrut *ss = g_new(ObScreenStrut, 1); \
+    ObScreenStrut *ss = g_slice_new(ObScreenStrut); \
     ss->desktop = d; \
     ss->strut = s;  \
     sl = g_slist_prepend(sl, ss); \
@@ -1347,39 +1357,79 @@ typedef struct {
     } \
 }
 
+static void get_xinerama_screens(Rect **xin_areas, guint *nxin)
+{
+    guint i;
+    gint l, r, t, b;
+#ifdef XINERAMA
+    gint n;
+    XineramaScreenInfo *info;
+#endif
+
+    if (ob_debug_xinerama) {
+        gint w = WidthOfScreen(ScreenOfDisplay(obt_display, ob_screen));
+        gint h = HeightOfScreen(ScreenOfDisplay(obt_display, ob_screen));
+        *nxin = 2;
+        *xin_areas = g_new(Rect, *nxin + 1);
+        RECT_SET((*xin_areas)[0], 0, 0, w/2, h);
+        RECT_SET((*xin_areas)[1], w/2, 0, w-(w/2), h);
+    }
+#ifdef XINERAMA
+    else if (obt_display_extension_xinerama &&
+             (info = XineramaQueryScreens(obt_display, &n))) {
+        *nxin = n;
+        *xin_areas = g_new(Rect, *nxin + 1);
+        for (i = 0; i < *nxin; ++i)
+            RECT_SET((*xin_areas)[i], info[i].x_org, info[i].y_org,
+                     info[i].width, info[i].height);
+        XFree(info);
+    }
+#endif
+    else {
+        *nxin = 1;
+        *xin_areas = g_new(Rect, *nxin + 1);
+        RECT_SET((*xin_areas)[0], 0, 0,
+                 WidthOfScreen(ScreenOfDisplay(obt_display, ob_screen)),
+                 HeightOfScreen(ScreenOfDisplay(obt_display, ob_screen)));
+    }
+
+    /* returns one extra with the total area in it */
+    l = (*xin_areas)[0].x;
+    t = (*xin_areas)[0].y;
+    r = (*xin_areas)[0].x + (*xin_areas)[0].width - 1;
+    b = (*xin_areas)[0].y + (*xin_areas)[0].height - 1;
+    for (i = 1; i < *nxin; ++i) {
+        l = MIN(l, (*xin_areas)[i].x);
+        t = MIN(l, (*xin_areas)[i].y);
+        r = MAX(r, (*xin_areas)[i].x + (*xin_areas)[i].width - 1);
+        b = MAX(b, (*xin_areas)[i].y + (*xin_areas)[i].height - 1);
+    }
+    RECT_SET((*xin_areas)[*nxin], l, t, r - l + 1, b - t + 1);
+
+    for (i = 0; i < *nxin; ++i)
+        ob_debug("Monitor %d @ %d,%d %dx%d\n", i,
+                 (*xin_areas)[i].x, (*xin_areas)[i].y,
+                 (*xin_areas)[i].width, (*xin_areas)[i].height);
+    ob_debug("Full desktop @ %d,%d %dx%d\n",
+             (*xin_areas)[i].x, (*xin_areas)[i].y,
+             (*xin_areas)[i].width, (*xin_areas)[i].height);
+}
+
 void screen_update_areas(void)
 {
-    guint i, j, onum;
+    guint i;
     gulong *dims;
-    GList *it;
-    GSList *sit;
+    GList *it, *onscreen;
 
-    onum = screen_num_monitors;
+    /* collect the clients that are on screen */
+    onscreen = NULL;
+    for (it = client_list; it; it = g_list_next(it)) {
+        if (client_monitor(it->data) != screen_num_monitors)
+            onscreen = g_list_prepend(onscreen, it->data);
+    }
 
     g_free(monitor_area);
-    extensions_xinerama_screens(&monitor_area, &screen_num_monitors);
-
-    if (screen_num_monitors < onum) {
-        /* free some of the pager popups */
-        for (i = screen_num_monitors; i < onum; ++i)
-            pager_popup_free(desktop_popup[i]);
-        desktop_popup = g_renew(ObPagerPopup*, desktop_popup,
-                                screen_num_monitors);
-    }
-    else {
-        /* add some more pager popups */
-        desktop_popup = g_renew(ObPagerPopup*, desktop_popup,
-                                screen_num_monitors);
-        for (i = onum; i < screen_num_monitors; ++i) {
-            desktop_popup[i] = pager_popup_new();
-            pager_popup_height(desktop_popup[i], POPUP_HEIGHT);
-            if (screen_desktop_names) /* the areas are initialized before the
-                                         desktop names */
-                pager_popup_text_width_to_strings(desktop_popup[i],
-                                                  screen_desktop_names,
-                                                  screen_num_desktops);
-        }
-    }
+    get_xinerama_screens(&monitor_area, &screen_num_monitors);
 
     /* set up the user-specified margins */
     config_margins.top_start = RECT_LEFT(monitor_area[screen_num_monitors]);
@@ -1391,8 +1441,6 @@ void screen_update_areas(void)
     config_margins.right_start = RECT_TOP(monitor_area[screen_num_monitors]);
     config_margins.right_end = RECT_BOTTOM(monitor_area[screen_num_monitors]);
 
-    dims = g_new(gulong, 4 * screen_num_desktops * screen_num_monitors);
-
     RESET_STRUT_LIST(struts_left);
     RESET_STRUT_LIST(struts_top);
     RESET_STRUT_LIST(struts_right);
@@ -1437,74 +1485,22 @@ void screen_update_areas(void)
     VALIDATE_STRUTS(struts_bottom, bottom,
                     monitor_area[screen_num_monitors].height / 2);
 
-    /* set up the work areas to be full screen */
-    for (i = 0; i < screen_num_monitors; ++i)
-        for (j = 0; j < screen_num_desktops; ++j) {
-            dims[(i * screen_num_desktops + j) * 4+0] = monitor_area[i].x;
-            dims[(i * screen_num_desktops + j) * 4+1] = monitor_area[i].y;
-            dims[(i * screen_num_desktops + j) * 4+2] = monitor_area[i].width;
-            dims[(i * screen_num_desktops + j) * 4+3] = monitor_area[i].height;
-        }
-
-    /* calculate the work areas from the struts */
-    for (i = 0; i < screen_num_monitors; ++i)
-        for (j = 0; j < screen_num_desktops; ++j) {
-            gint l = 0, r = 0, t = 0, b = 0;
-
-            /* only add the strut to the area if it touches the monitor */
-
-            for (sit = struts_left; sit; sit = g_slist_next(sit)) {
-                ObScreenStrut *s = sit->data;
-                if ((s->desktop == j || s->desktop == DESKTOP_ALL) &&
-                    STRUT_LEFT_ON_MONITOR(s->strut, i))
-                    l = MAX(l, s->strut->left);
-            }
-            for (sit = struts_top; sit; sit = g_slist_next(sit)) {
-                ObScreenStrut *s = sit->data;
-                if ((s->desktop == j || s->desktop == DESKTOP_ALL) &&
-                    STRUT_TOP_ON_MONITOR(s->strut, i))
-                    t = MAX(t, s->strut->top);
-            }
-            for (sit = struts_right; sit; sit = g_slist_next(sit)) {
-                ObScreenStrut *s = sit->data;
-                if ((s->desktop == j || s->desktop == DESKTOP_ALL) &&
-                    STRUT_RIGHT_ON_MONITOR(s->strut, i))
-                    r = MAX(r, s->strut->right);
-            }
-            for (sit = struts_bottom; sit; sit = g_slist_next(sit)) {
-                ObScreenStrut *s = sit->data;
-                if ((s->desktop == j || s->desktop == DESKTOP_ALL) &&
-                    STRUT_BOTTOM_ON_MONITOR(s->strut, i))
-                    b = MAX(b, s->strut->bottom);
-            }
-
-            /* if the monitor is not against the edge of the root window,
-               the struts will include the distance from the root window's edge
-               to the monitor, so add that back into the monitor's work area */
-            if (l) l += RECT_LEFT  (monitor_area[screen_num_monitors])
-                        - RECT_LEFT  (monitor_area[i]);
-            if (t) t += RECT_TOP   (monitor_area[screen_num_monitors])
-                        - RECT_TOP   (monitor_area[i]);
-            if (r) r -= RECT_RIGHT (monitor_area[screen_num_monitors])
-                        - RECT_RIGHT (monitor_area[i]);
-            if (b) b -= RECT_BOTTOM(monitor_area[screen_num_monitors])
-                        - RECT_BOTTOM(monitor_area[i]);
-
-            /* based on these margins, set the work area for the
-               monitor/desktop */
-            dims[(i * screen_num_desktops + j) * 4 + 0] += l;
-            dims[(i * screen_num_desktops + j) * 4 + 1] += t;
-            dims[(i * screen_num_desktops + j) * 4 + 2] -= l + r;
-            dims[(i * screen_num_desktops + j) * 4 + 3] -= t + b;
-        }
+    dims = g_new(gulong, 4 * screen_num_desktops);
+    for (i = 0; i < screen_num_desktops; ++i) {
+        Rect *area = screen_area(i, SCREEN_AREA_ALL_MONITORS, NULL);
+        dims[i*4+0] = area->x;
+        dims[i*4+1] = area->y;
+        dims[i*4+2] = area->width;
+        dims[i*4+3] = area->height;
+        g_slice_free(Rect, area);
+    }
 
-    /* all the work areas are not used here, only the ones for the first
-       monitor are */
-    PROP_SETA32(RootWindow(ob_display, ob_screen), net_workarea, cardinal,
-                dims, 4 * screen_num_desktops);
+    /* set the legacy workarea hint to the union of all the monitors */
+    OBT_PROP_SETA32(obt_root(ob_screen), NET_WORKAREA, CARDINAL,
+                    dims, 4 * screen_num_desktops);
 
     /* the area has changed, adjust all the windows if they need it */
-    for (it = client_list; it; it = g_list_next(it))
+    for (it = onscreen; it; it = g_list_next(it))
         client_reconfigure(it->data, FALSE);
 
     g_free(dims);
@@ -1567,7 +1563,7 @@ Rect* screen_area(guint desktop, guint head, Rect *search)
 {
     Rect *a;
     GSList *it;
-    gint l, r, t, b, al, ar, at, ab;
+    gint l, r, t, b;
     guint i, d;
     gboolean us = search != NULL; /* user provided search */
 
@@ -1593,30 +1589,30 @@ Rect* screen_area(guint desktop, guint head, Rect *search)
 
     /* only include monitors which the search area lines up with */
     if (RECT_INTERSECTS_RECT(monitor_area[screen_num_monitors], *search)) {
-        al = l = RECT_RIGHT(monitor_area[screen_num_monitors]);
-        at = t = RECT_BOTTOM(monitor_area[screen_num_monitors]);
-        ar = r = RECT_LEFT(monitor_area[screen_num_monitors]);
-        ab = b = RECT_TOP(monitor_area[screen_num_monitors]);
+        l = RECT_RIGHT(monitor_area[screen_num_monitors]);
+        t = RECT_BOTTOM(monitor_area[screen_num_monitors]);
+        r = RECT_LEFT(monitor_area[screen_num_monitors]);
+        b = RECT_TOP(monitor_area[screen_num_monitors]);
         for (i = 0; i < screen_num_monitors; ++i) {
             /* add the monitor if applicable */
             if (RANGES_INTERSECT(search->x, search->width,
                                  monitor_area[i].x, monitor_area[i].width))
             {
-                at = t = MIN(t, RECT_TOP(monitor_area[i]));
-                ab = b = MAX(b, RECT_BOTTOM(monitor_area[i]));
+                t = MIN(t, RECT_TOP(monitor_area[i]));
+                b = MAX(b, RECT_BOTTOM(monitor_area[i]));
             }
             if (RANGES_INTERSECT(search->y, search->height,
                                  monitor_area[i].y, monitor_area[i].height))
             {
-                al = l = MIN(l, RECT_LEFT(monitor_area[i]));
-                ar = r = MAX(r, RECT_RIGHT(monitor_area[i]));
+                l = MIN(l, RECT_LEFT(monitor_area[i]));
+                r = MAX(r, RECT_RIGHT(monitor_area[i]));
             }
         }
     } else {
-        al = l = RECT_LEFT(monitor_area[screen_num_monitors]);
-        at = t = RECT_TOP(monitor_area[screen_num_monitors]);
-        ar = r = RECT_RIGHT(monitor_area[screen_num_monitors]);
-        ab = b = RECT_BOTTOM(monitor_area[screen_num_monitors]);
+        l = RECT_LEFT(monitor_area[screen_num_monitors]);
+        t = RECT_TOP(monitor_area[screen_num_monitors]);
+        r = RECT_RIGHT(monitor_area[screen_num_monitors]);
+        b = RECT_BOTTOM(monitor_area[screen_num_monitors]);
     }
 
     for (d = 0; d < screen_num_desktops; ++d) {
@@ -1668,7 +1664,7 @@ Rect* screen_area(guint desktop, guint head, Rect *search)
         }
     }
 
-    a = g_new(Rect, 1);
+    a = g_slice_new(Rect);
     a->x = l;
     a->y = t;
     a->width = r - l + 1;
@@ -1676,44 +1672,165 @@ Rect* screen_area(guint desktop, guint head, Rect *search)
     return a;
 }
 
-guint screen_find_monitor(Rect *search)
+typedef struct {
+    Rect r;
+    gboolean subtract;
+} RectArithmetic;
+
+guint screen_find_monitor(const Rect *search)
 {
     guint i;
-    guint most = screen_num_monitors;
-    guint mostv = 0;
+    guint mostpx_index = screen_num_monitors;
+    glong mostpx = 0;
+    guint closest_distance_index = screen_num_monitors;
+    guint closest_distance = G_MAXUINT;
+    GSList *counted = NULL;
+
+    /* we want to count the number of pixels search has on each monitor, but not
+       double count.  so if a pixel is counted on monitor A then we should not
+       count it again on monitor B. in the end we want to return the monitor
+       that had the most pixels counted under this scheme.
+
+       this assumes that monitors earlier in the list are more desirable to be
+       considered the search area's monitor.  we try the configured primary
+       monitor first, so it gets the highest preference.
+
+       if we have counted an area A, then we want to subtract the intersection
+       of A with the area on future monitors.
+       but now consider if we count an area B that intersects A. we want to
+       subtract the area B from that counted on future monitors, but not
+       subtract the intersection of A and B twice! so we would add the
+       intersection of A and B back, to account for it being subtracted both
+       for A and B.
+
+       this is the idea behind the algorithm.  we always subtract the full area
+       for monitor M intersected with the search area. we'll call that AREA.
+       but then we go through the list |counted| and for each rectangle in
+       the list that is being subtracted from future monitors, we insert a
+       request to add back the intersection of the subtracted rect with AREA.
+       vice versa for a rect in |counted| that is getting added back.
+    */
+
+    if (config_primary_monitor_index < screen_num_monitors) {
+        const Rect *monitor;
+        Rect on_current_monitor;
+        glong area;
+
+        monitor = screen_physical_area_monitor(config_primary_monitor_index);
+
+        if (RECT_INTERSECTS_RECT(*monitor, *search)) {
+            RECT_SET_INTERSECTION(on_current_monitor, *monitor, *search);
+            area = RECT_AREA(on_current_monitor);
+
+            if (area > mostpx) {
+                mostpx = area;
+                mostpx_index = config_primary_monitor_index;
+            }
+
+            /* add the intersection rect on the current monitor to the
+               counted list. that's easy for the first one, we just mark it for
+               subtraction */
+            {
+                RectArithmetic *ra = g_slice_new(RectArithmetic);
+                ra->r = on_current_monitor;
+                ra->subtract = TRUE;
+                counted = g_slist_prepend(counted, ra);
+            }
+        }
+    }
 
     for (i = 0; i < screen_num_monitors; ++i) {
-        Rect *area = screen_physical_area_monitor(i);
-        if (RECT_INTERSECTS_RECT(*area, *search)) {
-            Rect r;
-            guint v;
+        const Rect *monitor;
+        Rect on_current_monitor;
+        glong area;
+        GSList *it;
 
-            RECT_SET_INTERSECTION(r, *area, *search);
-            v = r.width * r.height;
+        monitor = screen_physical_area_monitor(i);
 
-            if (v > mostv) {
-                mostv = v;
-                most = i;
+        if (!RECT_INTERSECTS_RECT(*monitor, *search)) {
+            /* If we don't intersect then find the distance between the search
+               rect and the monitor. We'll use the closest monitor from this
+               metric if none of the monitors intersect. */
+            guint distance = rect_manhatten_distance(*monitor, *search);
+
+            if (distance < closest_distance) {
+                closest_distance = distance;
+                closest_distance_index = i;
             }
+            continue;
+        }
+
+        if (i == config_primary_monitor_index)
+            continue;  /* already did this one */
+
+        RECT_SET_INTERSECTION(on_current_monitor, *monitor, *search);
+        area = RECT_AREA(on_current_monitor);
+
+        /* remove pixels we already counted on any previous monitors. */
+        for (it = counted; it; it = g_slist_next(it)) {
+            RectArithmetic *ra = it->data;
+            Rect intersection;
+
+            RECT_SET_INTERSECTION(intersection, ra->r, *search);
+            if (ra->subtract) area -= RECT_AREA(intersection);
+            else area += RECT_AREA(intersection);
+        }
+
+        if (area > mostpx) {
+            mostpx = area;
+            mostpx_index = i;
         }
-        g_free(area);
+
+        /* add the intersection rect on the current monitor I to the counted
+           list.
+           but now we need to compensate for every rectangle R already in the
+           counted list, and add a new rect R' that is the intersection of
+           R and I, but with the reverse subtraction/addition operation.
+        */
+        for (it = counted; it; it = g_slist_next(it)) {
+            RectArithmetic *saved = it->data;
+
+            if (!RECT_INTERSECTS_RECT(saved->r, on_current_monitor))
+                continue;
+            /* we are going to subtract our rect from future monitors, but
+               part of it may already be being subtracted/added, so compensate
+               to not double add/subtract. */
+            RectArithmetic *reverse = g_slice_new(RectArithmetic);
+            RECT_SET_INTERSECTION(reverse->r, saved->r, on_current_monitor);
+            reverse->subtract = !saved->subtract;
+            /* prepend so we can continue thru the list uninterupted */
+            counted = g_slist_prepend(counted, reverse);
+        }
+        {
+            RectArithmetic *ra = g_slice_new(RectArithmetic);
+            ra->r = on_current_monitor;
+            ra->subtract = TRUE;
+            counted = g_slist_prepend(counted, ra);
+        }
+    }
+
+    while (counted) {
+        g_slice_free(RectArithmetic, counted->data);
+        counted = g_slist_delete_link(counted, counted);
     }
-    return most;
+
+    if (mostpx_index < screen_num_monitors)
+        return mostpx_index;
+
+    g_assert(closest_distance_index < screen_num_monitors);
+    return closest_distance_index;
 }
 
-Rect* screen_physical_area_all_monitors(void)
+const Rect* screen_physical_area_all_monitors(void)
 {
     return screen_physical_area_monitor(screen_num_monitors);
 }
 
-Rect* screen_physical_area_monitor(guint head)
+const Rect* screen_physical_area_monitor(guint head)
 {
-    Rect *a;
     g_assert(head <= screen_num_monitors);
 
-    a = g_new(Rect, 1);
-    *a = monitor_area[head];
-    return a;
+    return &monitor_area[head];
 }
 
 gboolean screen_physical_area_monitor_contains(guint head, Rect *search)
@@ -1723,36 +1840,67 @@ gboolean screen_physical_area_monitor_contains(guint head, Rect *search)
     return RECT_INTERSECTS_RECT(monitor_area[head], *search);
 }
 
-Rect* screen_physical_area_active(void)
+guint screen_monitor_active(void)
 {
-    Rect *a;
-    gint x, y;
-
     if (moveresize_client)
-        a = screen_physical_area_monitor(client_monitor(focus_client));
+        return client_monitor(moveresize_client);
     else if (focus_client)
-        a = screen_physical_area_monitor(client_monitor(focus_client));
-    else {
-        Rect mon;
-        if (screen_pointer_pos(&x, &y))
-            RECT_SET(mon, x, y, 1, 1);
+        return client_monitor(focus_client);
+    else
+        return screen_monitor_pointer();
+}
+
+const Rect* screen_physical_area_active(void)
+{
+    return screen_physical_area_monitor(screen_monitor_active());
+}
+
+guint screen_monitor_primary(gboolean fixed)
+{
+    if (config_primary_monitor_index > 0) {
+        if (config_primary_monitor_index-1 < screen_num_monitors)
+            return config_primary_monitor_index - 1;
         else
-            RECT_SET(mon, 0, 0, 1, 1);
-        a = screen_physical_area_monitor(screen_find_monitor(&mon));
+            return 0;
     }
-    return a;
+    else if (fixed)
+        return 0;
+    else if (config_primary_monitor == OB_PLACE_MONITOR_ACTIVE)
+        return screen_monitor_active();
+    else /* config_primary_monitor == OB_PLACE_MONITOR_MOUSE */
+        return screen_monitor_pointer();
+}
+
+const Rect* screen_physical_area_primary(gboolean fixed)
+{
+    return screen_physical_area_monitor(screen_monitor_primary(fixed));
 }
 
 void screen_set_root_cursor(void)
 {
     if (sn_app_starting())
-        XDefineCursor(ob_display, RootWindow(ob_display, ob_screen),
+        XDefineCursor(obt_display, obt_root(ob_screen),
                       ob_cursor(OB_CURSOR_BUSYPOINTER));
     else
-        XDefineCursor(ob_display, RootWindow(ob_display, ob_screen),
+        XDefineCursor(obt_display, obt_root(ob_screen),
                       ob_cursor(OB_CURSOR_POINTER));
 }
 
+guint screen_find_monitor_point(guint x, guint y)
+{
+    Rect mon;
+    RECT_SET(mon, x, y, 1, 1);
+    return screen_find_monitor(&mon);
+}
+
+guint screen_monitor_pointer()
+{
+    gint x, y;
+    if (!screen_pointer_pos(&x, &y))
+        x = y = 0;
+    return screen_find_monitor_point(x, y);
+}
+
 gboolean screen_pointer_pos(gint *x, gint *y)
 {
     Window w;
@@ -1760,14 +1908,23 @@ gboolean screen_pointer_pos(gint *x, gint *y)
     guint u;
     gboolean ret;
 
-    ret = !!XQueryPointer(ob_display, RootWindow(ob_display, ob_screen),
+    ret = !!XQueryPointer(obt_display, obt_root(ob_screen),
                           &w, &w, x, y, &i, &i, &u);
     if (!ret) {
-        for (i = 0; i < ScreenCount(ob_display); ++i)
+        for (i = 0; i < ScreenCount(obt_display); ++i)
             if (i != ob_screen)
-                if (XQueryPointer(ob_display, RootWindow(ob_display, i),
+                if (XQueryPointer(obt_display, obt_root(i),
                                   &w, &w, x, y, &i, &i, &u))
                     break;
     }
     return ret;
 }
+
+gboolean screen_compare_desktops(guint a, guint b)
+{
+    if (a == DESKTOP_ALL)
+        a = screen_desktop;
+    if (b == DESKTOP_ALL)
+        b = screen_desktop;
+    return a == b;
+}