X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=openbox%2Ffocus.c;h=5909ca773449ece98bee8e3043e222739740ef42;hb=e1b4b9eb17b3ea145dbdce28dbf278437e349be1;hp=d09494bfdb66e3fa348743d7de55caf0d1b1df73;hpb=648c55b829e09c66222a9bbf08d10434622feae2;p=chaz%2Fopenbox diff --git a/openbox/focus.c b/openbox/focus.c index d09494bf..cff81bfb 100644 --- a/openbox/focus.c +++ b/openbox/focus.c @@ -1,87 +1,368 @@ +/* -*- 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 "openbox.h" +#include "grab.h" #include "client.h" +#include "config.h" +#include "group.h" +#include "focus_cycle.h" #include "screen.h" -#include "prop.h" -#include "dispatch.h" +#include "keyboard.h" +#include "focus.h" +#include "stacking.h" +#include "obt/prop.h" #include #include -Client *focus_client = NULL; -GList **focus_order = NULL; - -Window focus_backup = None; +#define FOCUS_INDICATOR_WIDTH 6 -void focus_set_client(Client *client); +ObClient *focus_client = NULL; +GList *focus_order = NULL; -void focus_startup() +void focus_startup(gboolean reconfig) { - guint i; + if (reconfig) return; - /* 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; - - attrib.override_redirect = TRUE; - focus_backup = XCreateWindow(ob_display, ob_root, - -100, -100, 1, 1, 0, 0, InputOnly, - CopyFromParent, CWOverrideRedirect, &attrib); - XMapRaised(ob_display, focus_backup); + /* start with nothing focused */ + focus_nothing(); +} - focus_order = g_new(GList*, screen_num_desktops); - for (i = 0; i < screen_num_desktops; ++i) - focus_order[i] = NULL; +void focus_shutdown(gboolean reconfig) +{ + if (reconfig) return; - /* start with nothing focused */ - focus_set_client(NULL); + /* reset focus to root */ + XSetInputFocus(obt_display, PointerRoot, RevertToNone, CurrentTime); } -void focus_shutdown() +static void push_to_top(ObClient *client) { - guint i; + ObClient *p; - for (i = 0; i < screen_num_desktops; ++i) - g_list_free(focus_order[i]); - g_free(focus_order); + /* if it is modal for a single window, then put that window at the top + of the focus order first, so it will be right after ours. the same is + done with stacking */ + if (client->modal && (p = client_direct_parent(client))) + push_to_top(p); - /* reset focus to root */ - XSetInputFocus(ob_display, PointerRoot, RevertToNone, CurrentTime); + 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", 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); + /* in the middle of cycling..? kill it. */ + focus_cycle_stop(focus_client); + focus_cycle_stop(client); - if (client == NULL) { - /* when nothing will be focused, send focus to the backup target */ - XSetInputFocus(ob_display, focus_backup, RevertToNone, CurrentTime); - } - - 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); + /* set the NET_ACTIVE_WINDOW hint, but preserve it on shutdown */ + if (ob_state() != OB_STATE_EXITING) { + active = client ? client->window : None; + OBT_PROP_SET32(obt_root(ob_screen), NET_ACTIVE_WINDOW, WINDOW, active); + } +} + +static ObClient* focus_fallback_target(gboolean allow_refocus, + gboolean allow_pointer, + gboolean allow_omnipresent, + ObClient *old) +{ + GList *it; + ObClient *c; - if (focus_client != NULL) - dispatch_client(Event_Client_Focus, focus_client, 0, 0); - if (old != NULL) - dispatch_client(Event_Client_Unfocus, old, 0, 0); + ob_debug_type(OB_DEBUG_FOCUS, "trying pointer stuff"); + if (allow_pointer && config_focus_follow) + if ((c = client_under_pointer()) && + (allow_refocus || client_focus_target(c) != old) && + (client_normal(c) && + client_focus(c))) + { + ob_debug_type(OB_DEBUG_FOCUS, "found in pointer stuff"); + return c; + } + + ob_debug_type(OB_DEBUG_FOCUS, "trying the focus order"); + 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, unless they are + specifically allowed + 2. it is a valid auto-focus target + 3. it is not shaded + */ + 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"); + return c; + } + } + + ob_debug_type(OB_DEBUG_FOCUS, "trying a desktop window"); + 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 (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"); + return c; + } + } + + return NULL; +} + +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. */ + if (focus_lost) + focus_nothing(); + + 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; } + +void focus_nothing(void) +{ + /* Install our own colormap */ + if (focus_client != NULL) { + screen_install_colormap(focus_client, FALSE); + screen_install_colormap(NULL, TRUE); + } + + /* 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 + and ignore them ! + + actions should not rely on being able to move focus during an + interactive grab. + */ + event_cancel_all_key_grabs(); + + /* when nothing will be focused, send focus to the backup target */ + XSetInputFocus(obt_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) +{ + 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 { + 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); + } +} + +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; +} + +/*! 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 (but this only applies to normal typed + windows, and is overridden if the window is modal) */ + ok = ok && (ft->type != OB_CLIENT_TYPE_NORMAL || + 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; +} +