]> Dogcows Code - chaz/openbox/blobdiff - openbox/focus.c
don't make omnipresent windows lose focus when changing desktops. this is done by...
[chaz/openbox] / openbox / focus.c
index 80f15217da66f58b1735baa920a72ed773f268e1..b056db7e466f3cde9c6b7c7ab4f3db58a011f5ca 100644 (file)
@@ -23,6 +23,7 @@
 #include "grab.h"
 #include "client.h"
 #include "config.h"
+#include "group.h"
 #include "focus_cycle.h"
 #include "screen.h"
 #include "prop.h"
@@ -74,10 +75,9 @@ void focus_set_client(ObClient *client)
     screen_install_colormap(focus_client, FALSE);
     screen_install_colormap(client, TRUE);
 
-    /* in the middle of cycling..? kill it. CurrentTime is fine, time won't
-       be used.
-    */
-    focus_cycle_stop();
+    /* in the middle of cycling..? kill it. */
+    focus_cycle_stop(focus_client);
+    focus_cycle_stop(client);
 
     focus_client = client;
 
@@ -96,16 +96,18 @@ void focus_set_client(ObClient *client)
     }
 }
 
-static ObClient* focus_fallback_target(gboolean allow_refocus)
+static ObClient* focus_fallback_target(gboolean allow_refocus,
+                                       gboolean allow_pointer,
+                                       gboolean allow_omnipresent,
+                                       ObClient *old)
 {
     GList *it;
     ObClient *c;
-    ObClient *old = focus_client;
 
     ob_debug_type(OB_DEBUG_FOCUS, "trying pointer stuff\n");
-    if (config_focus_follow && !config_focus_last)
+    if (allow_pointer && config_focus_follow)
         if ((c = client_under_pointer()) &&
-            (allow_refocus || c != old) &&
+            (allow_refocus || client_focus_target(c) != old) &&
             (client_normal(c) &&
              client_focus(c)))
         {
@@ -113,30 +115,20 @@ static ObClient* focus_fallback_target(gboolean allow_refocus)
             return c;
         }
 
-    ob_debug_type(OB_DEBUG_FOCUS, "trying omnipresentness\n");
-    if (allow_refocus && old &&
-        old->desktop == DESKTOP_ALL &&
-        client_normal(old) &&
-        client_focus(old))
-    {
-        ob_debug_type(OB_DEBUG_FOCUS, "found in omnipresentness\n");
-        return old;
-    }
-
-
     ob_debug_type(OB_DEBUG_FOCUS, "trying the focus order\n");
     for (it = focus_order; it; it = g_list_next(it)) {
         c = it->data;
         /* fallback focus to a window if:
            1. it is on the current desktop. this ignores omnipresent
-           windows, which are problematic in their own rite.
-           2. it is a normal type window, don't fall back onto a dock or
-           a splashscreen or a desktop window (save the desktop as a
-           backup fallback though)
+           windows, which are problematic in their own rite, unless they are
+           specifically allowed
+           2. it is a valid auto-focus target
+           3. it is not shaded
         */
-        if (c->desktop == screen_desktop &&
-            client_normal(c) &&
-            (allow_refocus || c != old) &&
+        if ((allow_omnipresent || c->desktop == screen_desktop) &&
+            focus_valid_target(c, TRUE, FALSE, FALSE, FALSE, FALSE) &&
+            !c->shaded &&
+            (allow_refocus || client_focus_target(c) != old) &&
             client_focus(c))
         {
             ob_debug_type(OB_DEBUG_FOCUS, "found in focus order\n");
@@ -154,8 +146,8 @@ static ObClient* focus_fallback_target(gboolean allow_refocus)
            a splashscreen or a desktop window (save the desktop as a
            backup fallback though)
         */
-        if (c->type == OB_CLIENT_TYPE_DESKTOP &&
-            (allow_refocus || c != old) &&
+        if (focus_valid_target(c, TRUE, FALSE, FALSE, FALSE, TRUE) &&
+            (allow_refocus || client_focus_target(c) != old) &&
             client_focus(c))
         {
             ob_debug_type(OB_DEBUG_FOCUS, "found a desktop window\n");
@@ -166,16 +158,22 @@ static ObClient* focus_fallback_target(gboolean allow_refocus)
     return NULL;
 }
 
-ObClient* focus_fallback(gboolean allow_refocus)
+ObClient* focus_fallback(gboolean allow_refocus, gboolean allow_pointer,
+                         gboolean allow_omnipresent, gboolean focus_lost)
 {
     ObClient *new;
+    ObClient *old = focus_client;
 
     /* unfocus any focused clients.. they can be focused by Pointer events
        and such, and then when we try focus them, we won't get a FocusIn
        event at all for them. */
-    focus_nothing();
+    if (focus_lost)
+        focus_nothing();
 
-    new = focus_fallback_target(allow_refocus);
+    new = focus_fallback_target(allow_refocus, allow_pointer,
+                                allow_omnipresent, old);
+    /* get what was really focused */
+    if (new) new = client_focus_target(new);
 
     return new;
 }
@@ -188,12 +186,8 @@ void focus_nothing()
         screen_install_colormap(NULL, TRUE);
     }
 
-    /* Don't set focus_client to NULL here. It will be set to NULL when the
-       FocusOut event comes. Otherwise, if we focus nothing and then focus the
-       same window again, The focus code says nothing changed, but focus_client
-       ends up being NULL anyways.
-    focus_client = NULL;
-    */
+    /* nothing is focused, update the colormap and _the root property_ */
+    focus_set_client(NULL);
 
     /* if there is a grab going on, then we need to cancel it. if we move
        focus during the grab, applications will get NotifyWhileGrabbed events
@@ -202,17 +196,37 @@ void focus_nothing()
        actions should not rely on being able to move focus during an
        interactive grab.
     */
-    if (keyboard_interactively_grabbed())
-        keyboard_interactive_cancel();
+    event_cancel_all_key_grabs();
 
     /* when nothing will be focused, send focus to the backup target */
     XSetInputFocus(ob_display, screen_support_win, RevertToPointerRoot,
                    event_curtime);
 }
 
+void focus_order_add_new(ObClient *c)
+{
+    if (c->iconic)
+        focus_order_to_top(c);
+    else {
+        g_assert(!g_list_find(focus_order, c));
+        /* if there are any iconic windows, put this above them in the order,
+           but if there are not, then put it under the currently focused one */
+        if (focus_order && ((ObClient*)focus_order->data)->iconic)
+            focus_order = g_list_insert(focus_order, c, 0);
+        else
+            focus_order = g_list_insert(focus_order, c, 1);
+    }
+
+    /* in the middle of cycling..? kill it. */
+    focus_cycle_stop(c);
+}
+
 void focus_order_remove(ObClient *c)
 {
     focus_order = g_list_remove(focus_order, c);
+
+    /* in the middle of cycling..? kill it. */
+    focus_cycle_stop(c);
 }
 
 void focus_order_to_top(ObClient *c)
@@ -255,3 +269,97 @@ ObClient *focus_order_find_first(guint desktop)
     }
     return NULL;
 }
+
+/*! Returns if a focus target has valid group siblings that can be cycled
+  to in its place */
+static gboolean focus_target_has_siblings(ObClient *ft,
+                                          gboolean iconic_windows,
+                                          gboolean all_desktops)
+
+{
+    GSList *it;
+
+    if (!ft->group) return FALSE;
+
+    for (it = ft->group->members; it; it = g_slist_next(it)) {
+        ObClient *c = it->data;
+        /* check that it's not a helper window to avoid infinite recursion */
+        if (c != ft && c->type == OB_CLIENT_TYPE_NORMAL &&
+            focus_valid_target(c, TRUE, iconic_windows, all_desktops,
+                               FALSE, FALSE))
+        {
+            return TRUE;
+        }
+    }
+    return FALSE;
+}
+
+gboolean focus_valid_target(ObClient *ft,
+                            gboolean helper_windows,
+                            gboolean iconic_windows,
+                            gboolean all_desktops,
+                            gboolean dock_windows,
+                            gboolean desktop_windows)
+{
+    gboolean ok = FALSE;
+
+    /* it's on this desktop unless you want all desktops.
+
+       do this check first because it will usually filter out the most
+       windows */
+    ok = (all_desktops || ft->desktop == screen_desktop ||
+          ft->desktop == DESKTOP_ALL);
+
+    /* the window can receive focus somehow */
+    ok = ok && (ft->can_focus || ft->focus_notify);
+
+    /* the window is not iconic, or we're allowed to go to iconic ones */
+    ok = ok && (iconic_windows || !ft->iconic);
+
+    /* it's the right type of window */
+    if (dock_windows || desktop_windows)
+        ok = ok && ((dock_windows && ft->type == OB_CLIENT_TYPE_DOCK) ||
+                    (desktop_windows && ft->type == OB_CLIENT_TYPE_DESKTOP));
+    /* modal windows are important and can always get focus if they are
+       visible and stuff, so don't change 'ok' based on their type */
+    else if (!ft->modal)
+        /* normal non-helper windows are valid targets */
+        ok = ok &&
+            ((client_normal(ft) && !client_helper(ft))
+             ||
+             /* helper windows are valid targets if... */
+             (client_helper(ft) &&
+              /* ...a window in its group already has focus and we want to
+                 include helper windows ... */
+              ((focus_client && ft->group == focus_client->group &&
+                helper_windows) ||
+               /* ... or if there are no other windows in its group
+                  that can be focused instead */
+               !focus_target_has_siblings(ft, iconic_windows, all_desktops))));
+
+    /* it's not set to skip the taskbar (unless it is a type that would be
+       expected to set this hint, or modal) */
+    ok = ok && ((ft->type == OB_CLIENT_TYPE_DOCK ||
+                 ft->type == OB_CLIENT_TYPE_DESKTOP ||
+                 ft->type == OB_CLIENT_TYPE_TOOLBAR ||
+                 ft->type == OB_CLIENT_TYPE_MENU ||
+                 ft->type == OB_CLIENT_TYPE_UTILITY) ||
+                ft->modal ||
+                !ft->skip_taskbar);
+
+    /* it's not going to just send focus off somewhere else (modal window),
+       unless that modal window is not one of our valid targets, then let
+       you choose this window and bring the modal one here */
+    {
+        ObClient *cft = client_focus_target(ft);
+        ok = ok && (ft == cft || !focus_valid_target(cft,
+                                                     TRUE,
+                                                     iconic_windows,
+                                                     all_desktops,
+                                                     dock_windows,
+                                                     desktop_windows));
+    }
+
+    return ok;
+}
+
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