X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=openbox%2Fscreen.c;h=4f9e6a2c89af68a9a8578196d0d37044ab06907f;hb=79e189dbac9ec5ae5baed26515ee60b8dce9a079;hp=69082460814198ddc621d4b37fd37ba41b0cfc3e;hpb=d1d84711a2684c47c688cc7d015741bd484151fb;p=chaz%2Fopenbox

diff --git a/openbox/screen.c b/openbox/screen.c
index 69082460..4f9e6a2c 100644
--- a/openbox/screen.c
+++ b/openbox/screen.c
@@ -1,3 +1,4 @@
+#include "debug.h"
 #include "openbox.h"
 #include "dock.h"
 #include "xerror.h"
@@ -9,6 +10,7 @@
 #include "client.h"
 #include "frame.h"
 #include "focus.h"
+#include "popup.h"
 #include "dispatch.h"
 #include "extensions.h"
 #include "render/render.h"
@@ -42,6 +44,9 @@ Window   screen_support_win;
 static Rect  **area; /* array of desktop holding array of xinerama areas */
 static Rect  *monitor_area;
 
+static Popup *desktop_cycle_popup;
+static ObTimer *popup_timer = NULL;
+
 #ifdef USE_LIBSN
 static SnMonitorContext *sn_context;
 static int sn_busy_cnt;
@@ -52,6 +57,91 @@ static void sn_event_func(SnMonitorEvent *event, void *data);
 
 static void set_root_cursor();
 
+static gboolean replace_wm()
+{
+    char *wm_sn;
+    Atom wm_sn_atom;
+    Window current_wm_sn_owner;
+    Time timestamp;
+
+    wm_sn = g_strdup_printf("WM_S%d", ob_screen);
+    wm_sn_atom = XInternAtom(ob_display, wm_sn, FALSE);
+
+    current_wm_sn_owner = XGetSelectionOwner(ob_display, wm_sn_atom);
+    if (current_wm_sn_owner) {
+        if (!ob_replace_wm) {
+            g_warning("A window manager is already running on screen %d",
+                      ob_screen);
+            return FALSE;
+        }
+        xerror_set_ignore(TRUE);
+        xerror_occured = FALSE;
+
+        /* We want to find out when the current selection owner dies */
+        XSelectInput(ob_display, current_wm_sn_owner, StructureNotifyMask);
+        XSync(ob_display, FALSE);
+
+        xerror_set_ignore(FALSE);
+        if (xerror_occured)
+            current_wm_sn_owner = None;
+    }
+
+    {
+        /* Generate a timestamp */
+        XEvent event;
+
+        XSelectInput(ob_display, screen_support_win, PropertyChangeMask);
+
+        XChangeProperty(ob_display, screen_support_win,
+                        prop_atoms.wm_class, prop_atoms.string,
+                        8, PropModeAppend, NULL, 0);
+        XWindowEvent(ob_display, screen_support_win,
+                     PropertyChangeMask, &event);
+
+        XSelectInput(ob_display, screen_support_win, NoEventMask);
+
+        timestamp = event.xproperty.time;
+    }
+
+    XSetSelectionOwner(ob_display, wm_sn_atom, screen_support_win,
+                       timestamp);
+
+    if (XGetSelectionOwner(ob_display, wm_sn_atom) != screen_support_win) {
+        g_warning("Could not acquire window manager selection on screen %d",
+                  ob_screen);
+        return FALSE;
+    }
+
+    /* 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 */
+
+      while (wait < timeout) {
+          if (XCheckWindowEvent(ob_display, current_wm_sn_owner,
+                                StructureNotifyMask, &event) &&
+              event.type == DestroyNotify)
+              break;
+          g_usleep(G_USEC_PER_SEC / 10);
+          wait += G_USEC_PER_SEC / 10;
+      }
+
+      if (wait >= timeout) {
+          g_warning("Timeout expired while waiting for the current WM to die "
+                    "on screen %d", ob_screen);
+          return FALSE;
+      }
+    }
+
+    /* Send client message indicating that we are now the WM */
+    prop_message(RootWindow(ob_display, ob_screen), prop_atoms.manager,
+                 timestamp, wm_sn_atom, 0, 0, SubstructureNotifyMask);
+
+
+    return TRUE;
+}
+
 gboolean screen_annex()
 {
     XSetWindowAttributes attrib;
@@ -59,36 +149,47 @@ gboolean screen_annex()
     gint i, num_support;
     guint32 *supported;
 
+    /* create the netwm support window */
+    attrib.override_redirect = TRUE;
+    screen_support_win = XCreateWindow(ob_display,
+                                       RootWindow(ob_display, ob_screen),
+                                       -100, -100, 1, 1, 0,
+                                       CopyFromParent, InputOutput,
+                                       CopyFromParent,
+                                       CWOverrideRedirect, &attrib);
+    XMapRaised(ob_display, screen_support_win);
+
+    if (!replace_wm()) {
+        XDestroyWindow(ob_display, screen_support_win);
+        return FALSE;
+    }
+
     xerror_set_ignore(TRUE);
     xerror_occured = FALSE;
-    XSelectInput(ob_display, ob_root, ROOT_EVENTMASK);
+    XSelectInput(ob_display, RootWindow(ob_display, ob_screen),
+                 ROOT_EVENTMASK);
     xerror_set_ignore(FALSE);
     if (xerror_occured) {
-        g_message("A window manager is already running on screen %d",
+        g_warning("A window manager is already running on screen %d",
                   ob_screen);
+
+        XDestroyWindow(ob_display, screen_support_win);
 	return FALSE;
     }
 
 
-    g_message("Managing screen %d", ob_screen);
+    ob_debug("Managing screen %d\n", ob_screen);
 
     set_root_cursor();
 
     /* set the OPENBOX_PID hint */
     pid = getpid();
-    PROP_SET32(ob_root, openbox_pid, cardinal, pid);
-
-    /* create the netwm support window */
-    attrib.override_redirect = TRUE;
-    screen_support_win = XCreateWindow(ob_display, ob_root,
-                                       -100, -100, 1, 1, 0,
-                                       CopyFromParent, InputOutput,
-                                       CopyFromParent,
-                                       CWOverrideRedirect, &attrib);
-    XMapRaised(ob_display, screen_support_win);
+    PROP_SET32(RootWindow(ob_display, ob_screen),
+               openbox_pid, cardinal, pid);
 
     /* set supporting window */
-    PROP_SET32(ob_root, net_supporting_wm_check, window, screen_support_win);
+    PROP_SET32(RootWindow(ob_display, 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");
@@ -165,7 +266,8 @@ gboolean screen_annex()
   supported[] = prop_atoms.net_wm_action_stick;
 */
 
-    PROP_SETA32(ob_root, net_supported, atom, supported, num_support);
+    PROP_SETA32(RootWindow(ob_display, ob_screen),
+                net_supported, atom, supported, num_support);
     g_free(supported);
 
     return TRUE;
@@ -176,6 +278,8 @@ void screen_startup()
     GSList *it;
     guint i;
 
+    desktop_cycle_popup = popup_new(FALSE);
+
     /* get the initial size */
     screen_resize();
 
@@ -185,7 +289,8 @@ void screen_startup()
     for (i = 0, it = config_desktops_names; it; ++i, it = it->next)
         screen_desktop_names[i] = it->data; /* dont strdup */
     screen_desktop_names[i] = NULL;
-    PROP_SETSS(ob_root, net_desktop_names, screen_desktop_names);
+    PROP_SETSS(RootWindow(ob_display, ob_screen),
+               net_desktop_names, screen_desktop_names);
     g_free(screen_desktop_names); /* dont free the individual strings */
     screen_desktop_names = NULL;
 
@@ -198,7 +303,8 @@ void screen_startup()
 
     /* don't start in showing-desktop mode */
     screen_showing_desktop = FALSE;
-    PROP_SET32(ob_root, net_showing_desktop, cardinal, screen_showing_desktop);
+    PROP_SET32(RootWindow(ob_display, ob_screen),
+               net_showing_desktop, cardinal, screen_showing_desktop);
 
     screen_update_layout();
 
@@ -213,11 +319,16 @@ void screen_shutdown()
 {
     Rect **r;
 
-    XSelectInput(ob_display, ob_root, NoEventMask);
+    popup_free(desktop_cycle_popup);
 
-    PROP_ERASE(ob_root, openbox_pid); /* we're not running here no more! */
-    PROP_ERASE(ob_root, net_supported); /* not without us */
-    PROP_ERASE(ob_root, net_showing_desktop); /* don't keep this mode */
+    XSelectInput(ob_display, RootWindow(ob_display, ob_screen), NoEventMask);
+
+    /* we're not running here no more! */
+    PROP_ERASE(RootWindow(ob_display, ob_screen), openbox_pid);
+    /* not without us */
+    PROP_ERASE(RootWindow(ob_display, ob_screen), net_supported);
+    /* don't keep this mode */
+    PROP_ERASE(RootWindow(ob_display, ob_screen), net_showing_desktop);
 
     XDestroyWindow(ob_display, screen_support_win);
 
@@ -244,16 +355,17 @@ void screen_resize()
     /* Set the _NET_DESKTOP_GEOMETRY hint */
     screen_physical_size.width = geometry[0] = w;
     screen_physical_size.height = geometry[1] = h;
-    PROP_SETA32(ob_root, net_desktop_geometry, cardinal, geometry, 2);
+    PROP_SETA32(RootWindow(ob_display, ob_screen),
+                net_desktop_geometry, cardinal, geometry, 2);
 
-    if (ob_state == OB_STATE_STARTING)
+    if (ob_state() == OB_STATE_STARTING)
 	return;
 
-    dock_configure();
     screen_update_areas();
+    dock_configure();
 
     for (it = client_list; it; it = it->next)
-        client_move_onscreen(it->data);
+        client_move_onscreen(it->data, FALSE);
 }
 
 void screen_set_num_desktops(guint num)
@@ -266,11 +378,13 @@ void screen_set_num_desktops(guint num)
 
     old = screen_num_desktops;
     screen_num_desktops = num;
-    PROP_SET32(ob_root, net_number_of_desktops, cardinal, num);
+    PROP_SET32(RootWindow(ob_display, ob_screen),
+               net_number_of_desktops, cardinal, num);
 
     /* set the viewport hint */
     viewport = g_new0(guint32, num * 2);
-    PROP_SETA32(ob_root, net_desktop_viewport, cardinal, viewport, num * 2);
+    PROP_SETA32(RootWindow(ob_display, ob_screen),
+                net_desktop_viewport, cardinal, viewport, num * 2);
     g_free(viewport);
 
     /* the number of rows/columns will differ */
@@ -306,6 +420,36 @@ void screen_set_num_desktops(guint num)
 	screen_set_desktop(num - 1);
 }
 
+static void popup_cycle_hide(ObTimer *t, void *d)
+{
+    timer_stop(t);
+    popup_timer = NULL;
+
+    popup_hide(desktop_cycle_popup);
+}
+
+static void popup_cycle_show()
+{
+    Rect *a;
+
+    a = screen_physical_area_monitor(0);
+    popup_position(desktop_cycle_popup, CenterGravity,
+                   a->x + a->width / 2, a->y + a->height / 2);
+    /* XXX the size and the font extents need to be related on some level
+     */
+    popup_size(desktop_cycle_popup, POPUP_WIDTH, POPUP_HEIGHT);
+
+    popup_set_text_align(desktop_cycle_popup, RR_JUSTIFY_CENTER);
+
+    popup_show(desktop_cycle_popup,
+               screen_desktop_names[screen_desktop], NULL);
+
+    g_message("%s", screen_desktop_names[screen_desktop]);
+
+    if (popup_timer) timer_stop(popup_timer);
+    popup_timer = timer_start(G_USEC_PER_SEC / 2, popup_cycle_hide, NULL);
+}
+
 void screen_set_desktop(guint num)
 {
     GList *it;
@@ -316,11 +460,12 @@ void screen_set_desktop(guint num)
 
     old = screen_desktop;
     screen_desktop = num;
-    PROP_SET32(ob_root, net_current_desktop, cardinal, num);
+    PROP_SET32(RootWindow(ob_display, ob_screen),
+               net_current_desktop, cardinal, num);
 
     if (old == num) return;
 
-    g_message("Moving to desktop %d", num+1);
+    ob_debug("Moving to desktop %d\n", num+1);
 
     /* show windows before hiding the rest to lessen the enter/leave events */
 
@@ -346,13 +491,16 @@ void screen_set_desktop(guint num)
        from the switch so it doesnt mess with the focus */
     while (XCheckTypedEvent(ob_display, EnterNotify, &e));
 #ifdef DEBUG_FOCUS
-    g_message("switch fallback");
+    ob_debug("switch fallback\n");
 #endif
     focus_fallback(OB_FOCUS_FALLBACK_DESKTOP);
 #ifdef DEBUG_FOCUS
-    g_message("/switch fallback");
+    ob_debug("/switch fallback\n");
 #endif
 
+    if (ob_state() == OB_STATE_RUNNING)
+        popup_cycle_show();
+
     dispatch_ob(Event_Ob_Desktop, num, old);
 }
 
@@ -366,7 +514,8 @@ void screen_update_layout()
     guint num;
     gboolean valid = FALSE;
 
-    if (PROP_GETA32(ob_root, net_desktop_layout, cardinal, &data, &num)) {
+    if (PROP_GETA32(RootWindow(ob_display, ob_screen),
+                    net_desktop_layout, cardinal, &data, &num)) {
         if (num == 3 || num == 4) {
 
             if (data[0] == prop_atoms.net_wm_orientation_vert)
@@ -379,7 +528,9 @@ void screen_update_layout()
             if (num < 4)
                 corner = OB_CORNER_TOPLEFT;
             else {
-                if (data[3] == prop_atoms.net_wm_topright)
+                if (data[3] == prop_atoms.net_wm_topleft)
+                    corner = OB_CORNER_TOPLEFT;
+                else if (data[3] == prop_atoms.net_wm_topright)
                     corner = OB_CORNER_TOPRIGHT;
                 else if (data[3] == prop_atoms.net_wm_bottomright)
                     corner = OB_CORNER_BOTTOMRIGHT;
@@ -444,7 +595,8 @@ void screen_update_desktop_names()
     g_strfreev(screen_desktop_names);
     screen_desktop_names = NULL;
 
-    if (PROP_GETSS(ob_root, net_desktop_names, utf8, &screen_desktop_names))
+    if (PROP_GETSS(RootWindow(ob_display, ob_screen),
+                   net_desktop_names, utf8, &screen_desktop_names))
         for (i = 0; screen_desktop_names[i] && i <= screen_num_desktops; ++i);
     else
         i = 0;
@@ -496,7 +648,8 @@ void screen_show_desktop(gboolean show)
     }
 
     show = !!show; /* make it boolean */
-    PROP_SET32(ob_root, net_showing_desktop, cardinal, show);
+    PROP_SET32(RootWindow(ob_display, ob_screen),
+               net_showing_desktop, cardinal, show);
 
     dispatch_ob(Event_Ob_ShowDesktop, show, 0);
 }
@@ -527,8 +680,6 @@ void screen_update_areas()
 {
     guint i, x;
     guint32 *dims;
-    Rect **old_area = area;
-    Rect **rit;
     GList *it;
 
     g_free(monitor_area);
@@ -547,7 +698,6 @@ void screen_update_areas()
      
     dims = g_new(guint32, 4 * screen_num_desktops);
 
-    rit = old_area;
     for (i = 0; i < screen_num_desktops + 1; ++i) {
         Strut s;
         int l, r, t, b;
@@ -689,8 +839,8 @@ void screen_update_areas()
             dims[(i * 4) + 3] = area[i][screen_num_monitors].height;
         }
     }
-    PROP_SETA32(ob_root, net_workarea, cardinal,
-		dims, 4 * screen_num_desktops);
+    PROP_SETA32(RootWindow(ob_display, ob_screen), net_workarea, cardinal,
+                dims, 4 * screen_num_desktops);
 
     g_free(dims);
 }
@@ -728,14 +878,16 @@ static void set_root_cursor()
 {
 #ifdef USE_LIBSN
         if (sn_busy_cnt)
-            XDefineCursor(ob_display, ob_root, ob_cursor(OB_CURSOR_BUSY));
+            XDefineCursor(ob_display, RootWindow(ob_display, ob_screen),
+                          ob_cursor(OB_CURSOR_BUSY));
         else
 #endif
-            XDefineCursor(ob_display, ob_root, ob_cursor(OB_CURSOR_POINTER));
+            XDefineCursor(ob_display, RootWindow(ob_display, ob_screen),
+                          ob_cursor(OB_CURSOR_POINTER));
 }
 
 #ifdef USE_LIBSN
-static void sn_timeout(void *data)
+static void sn_timeout(ObTimer *t, void *data)
 {
     timer_stop(sn_timer);
     sn_timer = NULL;
@@ -788,3 +940,13 @@ static void sn_event_func(SnMonitorEvent *ev, void *data)
         set_root_cursor();
 }
 #endif
+
+gboolean screen_pointer_pos(int *x, int *y)
+{
+    Window w;
+    int i;
+    guint u;
+
+    return !!XQueryPointer(ob_display, RootWindow(ob_display, ob_screen),
+                           &w, &w, x, y, &i, &i, &u);
+}