+/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
+
+ focus.c for the Openbox window manager
+ Copyright (c) 2006 Mikael Magnusson
+ Copyright (c) 2003-2007 Dana Jansens
+
+ 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.
+
+ See the COPYING file for a copy of the GNU General Public License.
+*/
+
+#include "debug.h"
#include "event.h"
-#include "config.h"
#include "openbox.h"
+#include "grab.h"
#include "client.h"
-#include "frame.h"
+#include "config.h"
+#include "focus_cycle.h"
#include "screen.h"
#include "prop.h"
-#include "dispatch.h"
+#include "keyboard.h"
#include "focus.h"
+#include "stacking.h"
#include <X11/Xlib.h>
#include <glib.h>
-Client *focus_client = NULL;
-GList **focus_order = NULL; /* these lists are created when screen_startup
- sets the number of desktops */
+#define FOCUS_INDICATOR_WIDTH 6
-Window focus_backup = None;
+ObClient *focus_client = NULL;
+GList *focus_order = NULL;
-void focus_startup()
+void focus_startup(gboolean reconfig)
{
- /* create the window which gets focus when no clients get it. Have to
- make it override-redirect so we don't try manage it, since it is
- mapped. */
- XSetWindowAttributes attrib;
-
- focus_client = NULL;
-
- attrib.override_redirect = TRUE;
- focus_backup = XCreateWindow(ob_display, ob_root,
- -100, -100, 1, 1, 0,
- CopyFromParent, InputOutput, CopyFromParent,
- CWOverrideRedirect, &attrib);
- XMapRaised(ob_display, focus_backup);
+ if (reconfig) return;
/* start with nothing focused */
- focus_set_client(NULL);
+ focus_nothing();
}
-void focus_shutdown()
+void focus_shutdown(gboolean reconfig)
{
- guint i;
-
- for (i = 0; i < screen_num_desktops; ++i)
- g_list_free(focus_order[i]);
- g_free(focus_order);
- focus_order = NULL;
-
- XDestroyWindow(ob_display, focus_backup);
+ if (reconfig) return;
/* reset focus to root */
- XSetInputFocus(ob_display, PointerRoot, RevertToPointerRoot,
- event_lasttime);
+ XSetInputFocus(ob_display, PointerRoot, RevertToNone, CurrentTime);
+}
+
+static void push_to_top(ObClient *client)
+{
+ focus_order = g_list_remove(focus_order, client);
+ focus_order = g_list_prepend(focus_order, client);
}
-void focus_set_client(Client *client)
+void focus_set_client(ObClient *client)
{
Window active;
- Client *old;
- guint desktop;
+
+ ob_debug_type(OB_DEBUG_FOCUS,
+ "focus_set_client 0x%lx\n", client ? client->window : 0);
+
+ if (focus_client == client)
+ return;
/* uninstall the old colormap, and install the new one */
screen_install_colormap(focus_client, FALSE);
screen_install_colormap(client, TRUE);
- if (client == NULL) {
- /* when nothing will be focused, send focus to the backup target */
- XSetInputFocus(ob_display, focus_backup, RevertToPointerRoot,
- event_lasttime);
- XSync(ob_display, FALSE);
- }
+ /* in the middle of cycling..? kill it. */
+ focus_cycle_stop();
- old = focus_client;
focus_client = client;
- /* move to the top of the list */
if (client != NULL) {
- desktop = client->desktop;
- if (desktop == DESKTOP_ALL) desktop = screen_desktop;
- focus_order[desktop] = g_list_remove(focus_order[desktop], client);
- focus_order[desktop] = g_list_prepend(focus_order[desktop], client);
+ /* move to the top of the list */
+ push_to_top(client);
+ /* remove hiliting from the window when it gets focused */
+ client_hilite(client, FALSE);
}
- /* set the NET_ACTIVE_WINDOW hint */
- active = client ? client->window : None;
- PROP_SET32(ob_root, net_active_window, window, active);
-
- if (focus_client != NULL)
- dispatch_client(Event_Client_Focus, focus_client, 0, 0);
- if (old != NULL)
- dispatch_client(Event_Client_Unfocus, old, 0, 0);
+ /* set the NET_ACTIVE_WINDOW hint, but preserve it on shutdown */
+ if (ob_state() != OB_STATE_EXITING) {
+ active = client ? client->window : None;
+ PROP_SET32(RootWindow(ob_display, ob_screen),
+ net_active_window, window, active);
+ }
}
-static gboolean focus_under_pointer()
+static ObClient* focus_fallback_target(gboolean allow_refocus)
{
- Window w;
- int i, x, y;
- guint u;
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 ((c = client_under_pointer()) &&
+ (allow_refocus || c != old) &&
+ (client_normal(c) &&
+ client_focus(c)))
+ {
+ ob_debug_type(OB_DEBUG_FOCUS, "found in pointer stuff\n");
+ 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;
+ }
+
- if (XQueryPointer(ob_display, ob_root, &w, &w, &x, &y, &i, &i, &u)) {
- for (it = stacking_list; it != NULL; it = it->next) {
- Client *c = it->data;
- if (c->desktop == screen_desktop &&
- RECT_CONTAINS(c->frame->area, x, y))
- break;
+ 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)
+ */
+ if (c->desktop == screen_desktop &&
+ client_normal(c) &&
+ (allow_refocus || c != old) &&
+ client_focus(c))
+ {
+ ob_debug_type(OB_DEBUG_FOCUS, "found in focus order\n");
+ return c;
}
- if (it != NULL)
- return client_normal(it->data) && client_focus(it->data);
}
- return FALSE;
+
+ ob_debug_type(OB_DEBUG_FOCUS, "trying a desktop window\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)
+ */
+ if (c->type == OB_CLIENT_TYPE_DESKTOP &&
+ (allow_refocus || c != old) &&
+ client_focus(c))
+ {
+ ob_debug_type(OB_DEBUG_FOCUS, "found a desktop window\n");
+ return c;
+ }
+ }
+
+ return NULL;
}
-void focus_fallback(gboolean switching_desks)
+ObClient* focus_fallback(gboolean allow_refocus)
{
- ConfigValue focus_follow;
- GList *it;
- gboolean under = FALSE;
- Client *old = NULL;
-
- old = focus_client;
+ ObClient *new;
/* unfocus any focused clients.. they can be focused by Pointer events
- and such, and then when I try focus them, I won't get a FocusIn event
- at all for them.
+ and such, and then when we try focus them, we won't get a FocusIn
+ event at all for them. */
+ focus_nothing();
+
+ new = focus_fallback_target(allow_refocus);
+
+ return new;
+}
+
+void focus_nothing()
+{
+ /* Install our own colormap */
+ if (focus_client != NULL) {
+ screen_install_colormap(focus_client, FALSE);
+ 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;
*/
- focus_set_client(NULL);
- if (switching_desks) {
- /* don't skip any windows when switching desktops */
- old = 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
+ and ignore them !
+
+ actions should not rely on being able to move focus during an
+ interactive grab.
+ */
+ if (keyboard_interactively_grabbed())
+ keyboard_interactive_cancel();
+
+ /* when nothing will be focused, send focus to the backup target */
+ XSetInputFocus(ob_display, screen_support_win, RevertToPointerRoot,
+ event_curtime);
+}
+
+void focus_order_remove(ObClient *c)
+{
+ focus_order = g_list_remove(focus_order, c);
+}
+
+void focus_order_to_top(ObClient *c)
+{
+ focus_order = g_list_remove(focus_order, c);
+ if (!c->iconic) {
+ focus_order = g_list_prepend(focus_order, c);
+ } else {
+ GList *it;
+
+ /* insert before first iconic window */
+ for (it = focus_order;
+ it && !((ObClient*)it->data)->iconic; it = g_list_next(it));
+ focus_order = g_list_insert_before(focus_order, it, c);
+ }
+}
+
+void focus_order_to_bottom(ObClient *c)
+{
+ focus_order = g_list_remove(focus_order, c);
+ if (c->iconic) {
+ focus_order = g_list_append(focus_order, c);
} else {
- if (!config_get("focusFollowsMouse", Config_Bool, &focus_follow))
- g_assert_not_reached();
- if (focus_follow.bool)
- under = focus_under_pointer();
+ GList *it;
+
+ /* insert before first iconic window */
+ for (it = focus_order;
+ it && !((ObClient*)it->data)->iconic; it = g_list_next(it));
+ focus_order = g_list_insert_before(focus_order, it, c);
}
+}
- if (!under) {
- for (it = focus_order[screen_desktop]; it != NULL; it = it->next)
- if (it->data != old && client_normal(it->data))
- if (client_focus(it->data))
- break;
- if (it == NULL) /* nothing to focus */
- focus_set_client(NULL);
+ObClient *focus_order_find_first(guint desktop)
+{
+ GList *it;
+ for (it = focus_order; it; it = g_list_next(it)) {
+ ObClient *c = it->data;
+ if (c->desktop == desktop || c->desktop == DESKTOP_ALL)
+ return c;
}
+ return NULL;
}