+/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
+
+ mainloop.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 "mainloop.h"
+#include "action.h"
+#include "client.h"
+#include "event.h"
#include <stdio.h>
#include <stdlib.h>
gboolean signal_fired;
guint signals_fired[NUM_SIGNALS];
GSList *signal_handlers[NUM_SIGNALS];
+
+ GSList *action_queue;
};
struct _ObMainLoopTimer
gulong delay;
GSourceFunc func;
gpointer data;
+ GEqualFunc equal;
GDestroyNotify destroy;
/* The timer needs to be freed */
all_loops = g_slist_prepend(all_loops, loop);
+ loop->action_queue = NULL;
+
return loop;
}
}
}
+ for (it = loop->action_queue; it; it = g_slist_next(it))
+ action_unref(it->data);
+ g_slist_free(loop->action_queue);
+
g_free(loop);
}
}
h->func(h->fd, h->data);
}
+void ob_main_loop_queue_action(ObMainLoop *loop, ObAction *act)
+{
+ loop->action_queue = g_slist_append(loop->action_queue, action_copy(act));
+}
+
+static void ob_main_loop_client_destroy(ObClient *client, gpointer data)
+{
+ ObMainLoop *loop = data;
+ GSList *it;
+
+ for (it = loop->action_queue; it; it = g_slist_next(it)) {
+ ObAction *act = it->data;
+
+ if (act->data.any.c == client)
+ act->data.any.c = NULL;
+ }
+}
+
void ob_main_loop_run(ObMainLoop *loop)
{
XEvent e;
struct timeval *wait;
fd_set selset;
GSList *it;
+ ObAction *act;
loop->run = TRUE;
loop->running = TRUE;
+ client_add_destroy_notify(ob_main_loop_client_destroy, loop);
+
while (loop->run) {
if (loop->signal_fired) {
guint i;
for (i = 0; i < NUM_SIGNALS; ++i) {
while (loop->signals_fired[i]) {
for (it = loop->signal_handlers[i];
- it; it = g_slist_next(it)) {
+ it; it = g_slist_next(it)) {
ObMainLoopSignalHandlerType *h = it->data;
h->func(i, h->data);
}
h->func(&e, h->data);
}
} while (XPending(loop->display));
+ } else if (loop->action_queue) {
+ /* only fire off one action at a time, then go back for more
+ X events, since the action might cause some X events (like
+ FocusIn :) */
+
+ do {
+ act = loop->action_queue->data;
+ if (act->data.any.client_action == OB_CLIENT_ACTION_ALWAYS &&
+ !act->data.any.c)
+ {
+ loop->action_queue =
+ g_slist_delete_link(loop->action_queue,
+ loop->action_queue);
+ action_unref(act);
+ act = NULL;
+ }
+ } while (!act && loop->action_queue);
+
+ if (act) {
+ event_curtime = act->data.any.time;
+ act->func(&act->data);
+ event_curtime = CurrentTime;
+ loop->action_queue =
+ g_slist_delete_link(loop->action_queue,
+ loop->action_queue);
+ action_unref(act);
+ }
} else {
/* this only runs if there were no x events received */
timer_dispatch(loop, (GTimeVal**)&wait);
+
selset = loop->fd_set;
/* there is a small race condition here. if a signal occurs
between this if() and the select() then we will not process
}
}
+ client_remove_destroy_notify(ob_main_loop_client_destroy);
+
loop->running = FALSE;
}
/* XXX special case for signals that default to core dump.
but throw some helpful output here... */
- fprintf(stderr, "Fuck yah. Core dump. (Signal=%d)\n", sig);
+ fprintf(stderr, "How are you gentlemen? All your base are"
+ " belong to us. (Openbox received signal %d)\n", sig);
/* die with a core dump */
abort();
#define NEAREST_TIMEOUT(loop) \
(((ObMainLoopTimer*)(loop)->timers->data)->timeout)
-static long timecompare(GTimeVal *a, GTimeVal *b)
+static glong timecompare(GTimeVal *a, GTimeVal *b)
{
- long r;
+ glong r;
if ((r = b->tv_sec - a->tv_sec)) return r;
return b->tv_usec - a->tv_usec;
{
GSList *it;
for (it = loop->timers; it; it = g_slist_next(it)) {
- ObMainLoopTimer *t = it->data;
- if (timecompare(&ins->timeout, &t->timeout) <= 0) {
- loop->timers = g_slist_insert_before(loop->timers, it, ins);
- break;
- }
+ ObMainLoopTimer *t = it->data;
+ if (timecompare(&ins->timeout, &t->timeout) >= 0) {
+ loop->timers = g_slist_insert_before(loop->timers, it, ins);
+ break;
+ }
}
if (it == NULL) /* didnt fit anywhere in the list */
- loop->timers = g_slist_append(loop->timers, ins);
+ loop->timers = g_slist_append(loop->timers, ins);
}
void ob_main_loop_timeout_add(ObMainLoop *loop,
gulong microseconds,
GSourceFunc handler,
gpointer data,
+ GEqualFunc cmp,
GDestroyNotify notify)
{
ObMainLoopTimer *t = g_new(ObMainLoopTimer, 1);
t->delay = microseconds;
t->func = handler;
t->data = data;
+ t->equal = cmp;
t->destroy = notify;
t->del_me = FALSE;
g_get_current_time(&loop->now);
}
}
-void ob_main_loop_timeout_remove_data(ObMainLoop *loop,
- GSourceFunc handler,
- gpointer data)
+void ob_main_loop_timeout_remove_data(ObMainLoop *loop, GSourceFunc handler,
+ gpointer data, gboolean cancel_dest)
{
GSList *it;
for (it = loop->timers; it; it = g_slist_next(it)) {
ObMainLoopTimer *t = it->data;
- if (t->func == handler && t->data == data)
+ if (t->func == handler && t->equal(t->data, data)) {
t->del_me = TRUE;
+ if (cancel_dest)
+ t->destroy = NULL;
+ }
}
}
static void timer_dispatch(ObMainLoop *loop, GTimeVal **wait)
{
+ GSList *it, *next;
+
+ gboolean fired = FALSE;
+
g_get_current_time(&loop->now);
- while (loop->timers != NULL) {
- ObMainLoopTimer *curr = loop->timers->data; /* get the top element */
- /* since timer_stop doesn't actually free the timer, we have to do our
- real freeing in here.
- */
- if (curr->del_me) {
+ for (it = loop->timers; it; it = next) {
+ ObMainLoopTimer *curr;
+
+ next = g_slist_next(it);
+
+ curr = it->data;
+
+ /* since timer_stop doesn't actually free the timer, we have to do our
+ real freeing in here.
+ */
+ if (curr->del_me) {
/* delete the top */
- loop->timers = g_slist_delete_link(loop->timers, loop->timers);
- g_free(curr);
- continue;
- }
-
- /* the queue is sorted, so if this timer shouldn't fire, none are
- ready */
- if (timecompare(&NEAREST_TIMEOUT(loop), &loop->now) <= 0)
- break;
-
- /* we set the last fired time to delay msec after the previous firing,
- then re-insert. timers maintain their order and may trigger more
- than once if they've waited more than one delay's worth of time.
- */
- loop->timers = g_slist_delete_link(loop->timers, loop->timers);
- g_time_val_add(&curr->last, curr->delay);
- if (curr->func(curr->data)) {
+ loop->timers = g_slist_delete_link(loop->timers, it);
+ if (curr->destroy)
+ curr->destroy(curr->data);
+ g_free(curr);
+ continue;
+ }
+
+ /* the queue is sorted, so if this timer shouldn't fire, none are
+ ready */
+ if (timecompare(&NEAREST_TIMEOUT(loop), &loop->now) < 0)
+ break;
+
+ /* we set the last fired time to delay msec after the previous firing,
+ then re-insert. timers maintain their order and may trigger more
+ than once if they've waited more than one delay's worth of time.
+ */
+ loop->timers = g_slist_delete_link(loop->timers, it);
+ g_time_val_add(&curr->last, curr->delay);
+ if (curr->func(curr->data)) {
g_time_val_add(&curr->timeout, curr->delay);
insert_timer(loop, curr);
- } else if (curr->destroy) {
- curr->destroy(curr->data);
+ } else {
+ if (curr->destroy)
+ curr->destroy(curr->data);
+ g_free(curr);
}
- /* if at least one timer fires, then don't wait on X events, as there
- may already be some in the queue from the timer callbacks.
- */
- loop->ret_wait.tv_sec = loop->ret_wait.tv_usec = 0;
- *wait = &loop->ret_wait;
- return;
+ fired = TRUE;
}
- if (nearest_timeout_wait(loop, &loop->ret_wait))
- *wait = &loop->ret_wait;
+ if (fired) {
+ /* if at least one timer fires, then don't wait on X events, as there
+ may already be some in the queue from the timer callbacks.
+ */
+ loop->ret_wait.tv_sec = loop->ret_wait.tv_usec = 0;
+ *wait = &loop->ret_wait;
+ } else if (nearest_timeout_wait(loop, &loop->ret_wait))
+ *wait = &loop->ret_wait;
else
- *wait = NULL;
+ *wait = NULL;
}