+/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
+
+ focus.c for the Openbox window manager
+ Copyright (c) 2003 Ben 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.h"
+#include "stacking.h"
+#include "popup.h"
#include <X11/Xlib.h>
#include <glib.h>
+#include <assert.h>
-Client *focus_client = NULL;
-GList **focus_order = NULL; /* these lists are created when screen_startup
- sets the number of desktops */
+ObClient *focus_client;
+GList **focus_order; /* these lists are created when screen_startup
+ sets the number of desktops */
+ObClient *focus_cycle_target;
-Window focus_backup = None;
+static ObIconPopup *focus_cycle_popup;
-void focus_set_client(Client *client);
+static void focus_cycle_destructor(ObClient *c)
+{
+ /* end cycling if the target disappears */
+ if (focus_cycle_target == c)
+ focus_cycle(TRUE, TRUE, TRUE, TRUE, TRUE);
+}
-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_cycle_popup = icon_popup_new(TRUE);
- 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);
+ if (!reconfig) {
+ client_add_destructor((GDestroyNotify) focus_cycle_destructor);
- /* start with nothing focused */
- focus_set_client(NULL);
+ /* start with nothing focused */
+ focus_set_client(NULL);
+ }
}
-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);
+ icon_popup_free(focus_cycle_popup);
+
+ if (!reconfig) {
+ client_remove_destructor((GDestroyNotify) focus_cycle_destructor);
- /* reset focus to root */
- XSetInputFocus(ob_display, PointerRoot, RevertToNone, CurrentTime);
+ for (i = 0; i < screen_num_desktops; ++i)
+ g_list_free(focus_order[i]);
+ g_free(focus_order);
+
+ /* reset focus to root */
+ XSetInputFocus(ob_display, PointerRoot, RevertToPointerRoot,
+ event_lasttime);
+ }
}
-void focus_set_client(Client *client)
+static void push_to_top(ObClient *client)
{
- Window active;
- Client *old;
guint desktop;
+ 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);
+}
+
+void focus_set_client(ObClient *client)
+{
+ Window active;
+ ObClient *old;
+
+#ifdef DEBUG_FOCUS
+ ob_debug("focus_set_client 0x%lx\n", client ? client->window : 0);
+#endif
+
/* 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, RevertToNone, CurrentTime);
+ XSetInputFocus(ob_display, screen_support_win, RevertToPointerRoot,
+ event_lasttime);
+ XSync(ob_display, FALSE);
}
+ /* in the middle of cycling..? kill it. */
+ if (focus_cycle_target)
+ focus_cycle(TRUE, TRUE, TRUE, TRUE, TRUE);
+
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);
+ if (client != NULL)
+ push_to_top(client);
+
+ /* 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()
+{
+ ObClient *c;
+
+ if ((c = client_under_pointer()))
+ return client_normal(c) && client_focus(c);
+ return FALSE;
+}
+
+/* finds the first transient that isn't 'skip' and ensure's that client_normal
+ is true for it */
+static ObClient *find_transient_recursive(ObClient *c, ObClient *top, ObClient *skip)
+{
+ GSList *it;
+ ObClient *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;
+ }
+ return NULL;
+}
+
+static gboolean focus_fallback_transient(ObClient *top, ObClient *old)
+{
+ ObClient *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);
+}
+
+void focus_fallback(ObFocusFallbackType type)
+{
+ GList *it;
+ ObClient *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 (!config_focus_last && config_focus_follow)
+ if (focus_under_pointer())
+ return;
+
+ if (type == OB_FOCUS_FALLBACK_UNFOCUSING && old) {
+ /* try for transient relations */
+ if (old->transient_for) {
+ if (old->transient_for == OB_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;
+ }
+ }
+
+#if 0
+ /* 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_can_focus(sit->data)) {
+ gboolean r = client_focus(sit->data);
+ assert(r);
+ return;
+ }
+ }
+#endif
+ }
+
+ for (it = focus_order[screen_desktop]; it != NULL; it = it->next)
+ if (type != OB_FOCUS_FALLBACK_UNFOCUSING || it->data != old)
+ if (client_normal(it->data) &&
+ /* dont fall back to 'anonymous' fullscreen windows. theres no
+ checks for this is in transient/group fallbacks, so they can
+ be fallback targets there. */
+ !((ObClient*)it->data)->fullscreen &&
+ client_can_focus(it->data)) {
+ gboolean r = client_focus(it->data);
+ assert(r);
+ return;
+ }
+
+ /* nothing to focus, and already set it to none above */
+}
+
+static void popup_cycle(ObClient *c, gboolean show)
+{
+ if (!show || !config_dialog_focus) {
+ icon_popup_hide(focus_cycle_popup);
+ } else {
+ Rect *a;
+ ObClient *p = c;
+ char *title;
+
+ a = screen_physical_area_monitor(0);
+ icon_popup_position(focus_cycle_popup, CenterGravity,
+ a->x + a->width / 2, a->y + a->height / 2);
+/* icon_popup_size(focus_cycle_popup, a->height/2, a->height/16);
+ icon_popup_show(focus_cycle_popup, c->title,
+ client_icon(c, a->height/16, a->height/16));
+*/
+ /* XXX the size and the font extents need to be related on some level
+ */
+ icon_popup_size(focus_cycle_popup, POPUP_WIDTH, POPUP_HEIGHT);
+
+ /* use the transient's parent's title/icon */
+ while (p->transient_for && p->transient_for != OB_TRAN_GROUP)
+ p = p->transient_for;
+
+ if (p == c)
+ title = NULL;
+ else
+ title = g_strconcat((c->iconic ? c->icon_title : c->title),
+ " - ",
+ (p->iconic ? p->icon_title : p->title),
+ NULL);
+
+ icon_popup_show(focus_cycle_popup,
+ (title ? title :
+ (c->iconic ? c->icon_title : c->title)),
+ client_icon(p, 48, 48));
+ g_free(title);
+ }
+}
- /* set the NET_ACTIVE_WINDOW hint */
- active = client ? client->window : None;
- PROP_SET32(ob_root, net_active_window, window, active);
+static gboolean valid_focus_target(ObClient *ft)
+{
+ /* we don't use client_can_focus here, because that doesn't let you
+ focus an iconic window, but we want to be able to, so we just check
+ if the focus flags on the window allow it, and its on the current
+ desktop */
+ return (ft->transients == NULL && client_normal(ft) &&
+ ((ft->can_focus || ft->focus_notify) &&
+ !ft->skip_taskbar &&
+ (ft->desktop == screen_desktop || ft->desktop == DESKTOP_ALL)));
+}
+
+void focus_cycle(gboolean forward, gboolean linear,
+ gboolean dialog, gboolean done, gboolean cancel)
+{
+ static ObClient *first = NULL;
+ static ObClient *t = NULL;
+ static GList *order = NULL;
+ GList *it, *start, *list;
+ ObClient *ft = NULL;
+
+ if (cancel) {
+ if (focus_cycle_target)
+ frame_adjust_focus(focus_cycle_target->frame, FALSE);
+ if (focus_client)
+ frame_adjust_focus(focus_client->frame, TRUE);
+ focus_cycle_target = NULL;
+ goto done_cycle;
+ } else if (done && dialog) {
+ goto done_cycle;
+ }
+
+ if (!focus_order[screen_desktop])
+ 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);*/
+ ft = it->data;
+ if (valid_focus_target(ft)) {
+ if (ft != focus_cycle_target) { /* prevents flicker */
+ 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, dialog);
+ return;
+ }
+ } while (it != start);
+
+done_cycle:
+ if (done && focus_cycle_target)
+ client_activate(focus_cycle_target, FALSE);
+
+ t = NULL;
+ first = NULL;
+ focus_cycle_target = NULL;
+ g_list_free(order);
+ order = NULL;
+
+ popup_cycle(ft, FALSE);
+
+ return;
+}
+
+void focus_directional_cycle(ObDirection dir,
+ gboolean dialog, gboolean done, gboolean cancel)
+{
+ static ObClient *first = NULL;
+ ObClient *ft = NULL;
+
+ if (cancel) {
+ if (focus_cycle_target)
+ frame_adjust_focus(focus_cycle_target->frame, FALSE);
+ if (focus_client)
+ frame_adjust_focus(focus_client->frame, TRUE);
+ focus_cycle_target = NULL;
+ goto done_cycle;
+ } else if (done && dialog) {
+ goto done_cycle;
+ }
+
+ if (!focus_order[screen_desktop])
+ goto done_cycle;
+
+ if (!first) first = focus_client;
+ if (!focus_cycle_target) focus_cycle_target = focus_client;
+
+ if (focus_cycle_target)
+ ft = client_find_directional(focus_cycle_target, dir);
+ else {
+ GList *it;
+
+ for (it = focus_order[screen_desktop]; it; it = g_list_next(it))
+ if (valid_focus_target(it->data))
+ ft = it->data;
+ }
+
+ if (ft) {
+ if (ft != focus_cycle_target) {/* prevents flicker */
+ if (focus_cycle_target)
+ frame_adjust_focus(focus_cycle_target->frame, FALSE);
+ focus_cycle_target = ft;
+ frame_adjust_focus(focus_cycle_target->frame, TRUE);
+ }
+ }
+ if (focus_cycle_target) {
+ popup_cycle(focus_cycle_target, dialog);
+ if (dialog)
+ return;
+ }
+
+
+done_cycle:
+ if (done && focus_cycle_target)
+ client_activate(focus_cycle_target, FALSE);
+
+ first = NULL;
+ focus_cycle_target = NULL;
+
+ popup_cycle(ft, FALSE);
+
+ return;
+}
+
+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] && ((ObClient*)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] && ((ObClient*)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);
+ }
+}
+
+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);
+}
+
+static void to_top(ObClient *c, guint d)
+{
+ focus_order[d] = g_list_remove(focus_order[d], c);
+ if (!c->iconic) {
+ focus_order[d] = g_list_prepend(focus_order[d], c);
+ } else {
+ GList *it;
+
+ /* insert before first iconic window */
+ for (it = focus_order[d];
+ it && !((ObClient*)it->data)->iconic; it = it->next);
+ focus_order[d] = g_list_insert_before(focus_order[d], it, c);
+ }
+}
+
+void focus_order_to_top(ObClient *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);
+}
+
+static void to_bottom(ObClient *c, guint d)
+{
+ focus_order[d] = g_list_remove(focus_order[d], c);
+ if (c->iconic) {
+ focus_order[d] = g_list_append(focus_order[d], c);
+ } else {
+ GList *it;
+
+ /* insert before first iconic window */
+ for (it = focus_order[d];
+ it && !((ObClient*)it->data)->iconic; it = it->next);
+ g_list_insert_before(focus_order[d], it, c);
+ }
+}
+
+void focus_order_to_bottom(ObClient *c)
+{
+ guint d, i;
- if (focus_client != NULL)
- dispatch_client(Event_Client_Focus, focus_client, 0, 0);
- if (old != NULL)
- dispatch_client(Event_Client_Unfocus, old, 0, 0);
+ d = c->desktop;
+ if (d == DESKTOP_ALL) {
+ for (i = 0; i < screen_num_desktops; ++i)
+ to_bottom(c, i);
+ } else
+ to_bottom(c, d);
}
projects / chaz / openbox / blobdiff