X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=openbox%2Ffocus.c;h=a4626bf83af64c900efafb1d45c3695fca832cf3;hb=6c87b1dd703bb67d7c945dc846da9d17c9c72382;hp=5e47dd2863d84c799fd0ca53ad554976a65ed645;hpb=92d3f2342db3d3bfd5d41a6c3dc165efa7766ffa;p=chaz%2Fopenbox diff --git a/openbox/focus.c b/openbox/focus.c index 5e47dd28..a4626bf8 100644 --- a/openbox/focus.c +++ b/openbox/focus.c @@ -1,407 +1,389 @@ +/* -*- 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 "framerender.h" #include "client.h" #include "config.h" -#include "frame.h" -#include "screen.h" #include "group.h" -#include "prop.h" -#include "dispatch.h" +#include "focus_cycle.h" +#include "screen.h" +#include "keyboard.h" #include "focus.h" -#include "parse.h" #include "stacking.h" +#include "obt/prop.h" #include #include -Client *focus_client = NULL; -GList **focus_order = NULL; /* these lists are created when screen_startup - sets the number of desktops */ - -Window focus_backup = None; +#define FOCUS_INDICATOR_WIDTH 6 -static Client *focus_cycle_target = NULL; +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); - XMapWindow(ob_display, focus_backup); - stacking_raise_internal(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(obt_display, PointerRoot, RevertToNone, CurrentTime); } -static void push_to_top(Client *client) +static void push_to_top(ObClient *client) { - guint desktop; + ObClient *p; + + /* 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); - 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); + 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; + + 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); - 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. */ - if (focus_cycle_target) - focus_cycle(TRUE, TRUE, TRUE, TRUE); - - old = focus_client; focus_client = client; - /* move to the top of the list */ - if (client != NULL) + if (client != NULL) { + /* 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); -} - -static gboolean focus_under_pointer() -{ - int x, y; - GList *it; - - if (ob_pointer_pos(&x, &y)) { - 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; - } - if (it != NULL) - return client_normal(it->data) && client_focus(it->data); + /* make sure the focus cycle popup shows things in the right order */ + focus_cycle_reorder(); } - return FALSE; -} -/* finds the first transient that isn't 'skip' and ensure's that client_normal - is true for it */ -static Client *find_transient_recursive(Client *c, Client *top, Client *skip) -{ - GSList *it; - Client *ret; - - for (it = c->transients; it; it = it->next) { - if (it->data == top) return NULL; - ret = find_transient_recursive(it->data, top, skip); - if (ret && ret != skip && client_normal(ret)) return ret; - if (it->data != skip && client_normal(it->data)) return it->data; + /* 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); } - return NULL; -} -static gboolean focus_fallback_transient(Client *top, Client *old) -{ - Client *target = find_transient_recursive(top, top, old); - if (!target) { - /* make sure client_normal is true always */ - if (!client_normal(top)) - return FALSE; - target = top; /* no transient, keep the top */ - } - return client_focus(target); + /* when focus is moved to a new window, the last_user_time timestamp would + no longer be valid, as it applies for the focused window */ + event_reset_user_time(); } -void focus_fallback(FallbackType type) +static ObClient* focus_fallback_target(gboolean allow_refocus, + gboolean allow_pointer, + gboolean allow_omnipresent, + ObClient *old) { GList *it; - Client *old = NULL; - - old = focus_client; - - /* 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. - */ - focus_set_client(NULL); - - if (!(type == Fallback_Desktop ? - config_focus_last_on_desktop : config_focus_last)) { - if (config_focus_follow) focus_under_pointer(); - return; - } - - if (type == Fallback_Unfocusing && old) { - /* try for transient relations */ - if (old->transient_for) { - if (old->transient_for == TRAN_GROUP) { - for (it = focus_order[screen_desktop]; it; it = it->next) { - GSList *sit; - - for (sit = old->group->members; sit; sit = sit->next) - if (sit->data == it->data) - if (focus_fallback_transient(sit->data, old)) - return; - } - } else { - if (focus_fallback_transient(old->transient_for, old)) - return; - } + ObClient *c; + + 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; } - /* try for group relations */ - if (old->group) { - GSList *sit; - - for (it = focus_order[screen_desktop]; it != NULL; it = it->next) - for (sit = old->group->members; sit; sit = sit->next) - if (sit->data == it->data) - if (sit->data != old && client_normal(sit->data)) - if (client_focus(sit->data)) - return; + 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, screen_desktop, + TRUE, FALSE, FALSE, TRUE, 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; } } - for (it = focus_order[screen_desktop]; it != NULL; it = it->next) - if (type != Fallback_Unfocusing || it->data != old) - if (client_normal(it->data) && client_focus(it->data)) - return; + 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, screen_desktop, + TRUE, FALSE, FALSE, TRUE, FALSE, TRUE, FALSE) && + (allow_refocus || client_focus_target(c) != old) && + client_focus(c)) + { + ob_debug_type(OB_DEBUG_FOCUS, "found a desktop window"); + return c; + } + } - /* nothing to focus */ - focus_set_client(NULL); + return NULL; } -static void popup_cycle(Client *c, gboolean show) +ObClient* focus_fallback(gboolean allow_refocus, gboolean allow_pointer, + gboolean allow_omnipresent, gboolean focus_lost) { - XSetWindowAttributes attrib; - static Window coords = None; - - if (coords == None) { - attrib.override_redirect = TRUE; - coords = XCreateWindow(ob_display, ob_root, - 0, 0, 1, 1, 0, render_depth, InputOutput, - render_visual, CWOverrideRedirect, &attrib); - g_assert(coords != None); - - grab_pointer(TRUE, None); + ObClient *new; + ObClient *old = focus_client; - XMapWindow(ob_display, coords); - } - - if (!show) { - XDestroyWindow(ob_display, coords); - coords = None; - - grab_pointer(FALSE, None); - } else { - Rect *a; - Size s; + /* 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(); - a = screen_area(c->desktop); + new = focus_fallback_target(allow_refocus, allow_pointer, + allow_omnipresent, old); + /* get what was really focused */ + if (new) new = client_focus_target(new); - framerender_size_popup_label(c->title, &s); - XMoveResizeWindow(ob_display, coords, - a->x + (a->width - s.width) / 2, - a->y + (a->height - s.height) / 2, - s.width, s.height); - framerender_popup_label(coords, &s, c->title); - } + return new; } -Client *focus_cycle(gboolean forward, gboolean linear, gboolean done, - gboolean cancel) +void focus_nothing(void) { - static Client *first = NULL; - static Client *t = NULL; - static GList *order = NULL; - GList *it, *start, *list; - Client *ft; - - if (cancel) { - /*if (first) client_focus(first); XXX*/ - if (focus_cycle_target) - frame_adjust_focus(focus_cycle_target->frame, FALSE); - if (focus_client) - frame_adjust_focus(focus_client->frame, TRUE); - goto done_cycle; - } else if (done) { - if (focus_cycle_target) { - if (focus_cycle_target->iconic) - client_iconify(focus_cycle_target, FALSE, FALSE); - client_focus(focus_cycle_target); - stacking_raise(focus_cycle_target); - } - goto done_cycle; - } - if (!first) first = focus_client; - if (!focus_cycle_target) focus_cycle_target = focus_client; - - if (linear) list = client_list; - else list = focus_order[screen_desktop]; - - start = it = g_list_find(list, focus_cycle_target); - if (!start) /* switched desktops or something? */ - start = it = forward ? g_list_last(list) : g_list_first(list); - if (!start) goto done_cycle; - - do { - if (forward) { - it = it->next; - if (it == NULL) it = g_list_first(list); - } else { - it = it->prev; - if (it == NULL) it = g_list_last(list); - } - ft = client_focus_target(it->data); - if (ft == it->data && client_normal(ft) && - (ft->can_focus || ft->focus_notify) && - (ft->desktop == screen_desktop || ft->desktop == DESKTOP_ALL)) { - if (focus_cycle_target) - frame_adjust_focus(focus_cycle_target->frame, FALSE); - focus_cycle_target = ft; - frame_adjust_focus(focus_cycle_target->frame, TRUE); - popup_cycle(ft, TRUE); - return ft; - } - } while (it != start); - -done_cycle: - t = NULL; - first = NULL; - focus_cycle_target = NULL; - g_list_free(order); - order = NULL; - popup_cycle(ft, FALSE); - return NULL; + /* nothing is focused, update the colormap and _the root property_ */ + focus_set_client(NULL); + + /* when nothing will be focused, send focus to the backup target */ + XSetInputFocus(obt_display, screen_support_win, RevertToPointerRoot, + event_time()); } -void focus_order_add_new(Client *c) +void focus_order_add_new(ObClient *c) { - guint d, i; - if (c->iconic) focus_order_to_top(c); else { - d = c->desktop; - if (d == DESKTOP_ALL) { - for (i = 0; i < screen_num_desktops; ++i) { - if (focus_order[i] && ((Client*)focus_order[i]->data)->iconic) - focus_order[i] = g_list_insert(focus_order[i], c, 0); - else - focus_order[i] = g_list_insert(focus_order[i], c, 1); - } - } else - if (focus_order[d] && ((Client*)focus_order[d]->data)->iconic) - focus_order[d] = g_list_insert(focus_order[d], c, 0); - else - focus_order[d] = g_list_insert(focus_order[d], c, 1); + g_assert(!g_list_find(focus_order, c)); + /* if there are only 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); } + + focus_cycle_addremove(c, TRUE); } -void focus_order_remove(Client *c) +void focus_order_remove(ObClient *c) { - guint d, i; - - d = c->desktop; - if (d == DESKTOP_ALL) { - for (i = 0; i < screen_num_desktops; ++i) - focus_order[i] = g_list_remove(focus_order[i], c); - } else - focus_order[d] = g_list_remove(focus_order[d], c); + focus_order = g_list_remove(focus_order, c); + + focus_cycle_addremove(c, TRUE); } -static void to_top(Client *c, guint d) +void focus_order_like_new(struct _ObClient *c) { - focus_order[d] = g_list_remove(focus_order[d], c); + focus_order = g_list_remove(focus_order, c); + focus_order_add_new(c); +} + +void focus_order_to_top(ObClient *c) +{ + focus_order = g_list_remove(focus_order, c); if (!c->iconic) { - focus_order[d] = g_list_prepend(focus_order[d], c); + focus_order = g_list_prepend(focus_order, c); } else { GList *it; /* insert before first iconic window */ - for (it = focus_order[d]; - it && !((Client*)it->data)->iconic; it = it->next); - g_list_insert_before(focus_order[d], it, c); + 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_top(Client *c) -{ - guint d, i; - - d = c->desktop; - if (d == DESKTOP_ALL) { - for (i = 0; i < screen_num_desktops; ++i) - to_top(c, i); - } else - to_top(c, d); + focus_cycle_reorder(); } -static void to_bottom(Client *c, guint d) +void focus_order_to_bottom(ObClient *c) { - focus_order[d] = g_list_remove(focus_order[d], c); + focus_order = g_list_remove(focus_order, c); if (c->iconic) { - focus_order[d] = g_list_append(focus_order[d], c); + focus_order = g_list_append(focus_order, c); } else { GList *it; /* insert before first iconic window */ - for (it = focus_order[d]; - it && !((Client*)it->data)->iconic; it = it->next); - g_list_insert_before(focus_order[d], it, c); + for (it = focus_order; + it && !((ObClient*)it->data)->iconic; it = g_list_next(it)); + focus_order = g_list_insert_before(focus_order, it, c); + } + + focus_cycle_reorder(); +} + +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, screen_desktop, + TRUE, iconic_windows, all_desktops, + TRUE, FALSE, FALSE, FALSE)) + { + return TRUE; + } } + return FALSE; } -void focus_order_to_bottom(Client *c) +gboolean focus_valid_target(ObClient *ft, + guint desktop, + gboolean helper_windows, + gboolean iconic_windows, + gboolean all_desktops, + gboolean nonhilite_windows, + gboolean dock_windows, + gboolean desktop_windows, + gboolean user_request) { - guint d, i; - - d = c->desktop; - if (d == DESKTOP_ALL) { - for (i = 0; i < screen_num_desktops; ++i) - to_bottom(c, i); - } else - to_bottom(c, d); + /* NOTE: if any of these things change on a client, then they should call + focus_cycle_addremove() to make sure the client is not shown/hidden + when it should not be */ + + gboolean ok = FALSE; + + /* see if the window is still managed or is going away */ + if (!ft->managed) return 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 == desktop || + ft->desktop == DESKTOP_ALL); + + /* if we only include hilited windows, check if the window is */ + ok = ok && (nonhilite_windows || ft->demands_attention); + + /* 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 is overridden if the + window is modal or if the user asked for this window to be focused, + or if the window is iconified (and does not have any parents with + which to uniconify it), and it is not used for windows which are + hilited, or dialog windows as these need user interaction and should + not be long-lasting windows */ + ok = ok && (!ft->skip_taskbar || + (ft->modal || user_request || + (ft->iconic && !ft->parents) || + ft->demands_attention || + ft->type == OB_CLIENT_TYPE_DIALOG)); + + /* 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, + screen_desktop, + TRUE, + iconic_windows, + all_desktops, + nonhilite_windows, + dock_windows, + desktop_windows, + FALSE)); + } + + return ok; }