X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=openbox%2Fmainloop.c;h=61c927052ed3b0edc100d255a32b87ba82d8a0d7;hb=4d50b21835d7dd00ecc40efd64c5573d7e048500;hp=888c58fac48e25822d05816548959c7ca741eee8;hpb=8de54d2b455ef3ec50bf2d00adeb65727e4fa158;p=chaz%2Fopenbox diff --git a/openbox/mainloop.c b/openbox/mainloop.c index 888c58fa..61c92705 100644 --- a/openbox/mainloop.c +++ b/openbox/mainloop.c @@ -1,4 +1,25 @@ +/* -*- 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 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 "mainloop.h" +#include "action.h" +#include "client.h" #include #include @@ -68,6 +89,8 @@ struct _ObMainLoop gboolean signal_fired; guint signals_fired[NUM_SIGNALS]; GSList *signal_handlers[NUM_SIGNALS]; + + GSList *action_queue; }; struct _ObMainLoopTimer @@ -157,6 +180,8 @@ ObMainLoop *ob_main_loop_new(Display *display) all_loops = g_slist_prepend(all_loops, loop); + loop->action_queue = NULL; + return loop; } @@ -207,6 +232,10 @@ void ob_main_loop_destroy(ObMainLoop *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); } } @@ -222,16 +251,37 @@ static void fd_handle_foreach(gpointer key, 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_destructor(ob_main_loop_client_destroy, loop); + while (loop->run) { if (loop->signal_fired) { guint i; @@ -244,7 +294,7 @@ void ob_main_loop_run(ObMainLoop *loop) 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); } @@ -263,10 +313,36 @@ void ob_main_loop_run(ObMainLoop *loop) 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) { + act->func(&act->data); + 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 @@ -285,6 +361,8 @@ void ob_main_loop_run(ObMainLoop *loop) } } + client_remove_destructor(ob_main_loop_client_destroy); + loop->running = FALSE; } @@ -340,7 +418,7 @@ static void sighandler(gint sig) /* XXX special case for signals that default to core dump. but throw some helpful output here... */ - fprintf(stderr, "Fuck ya. Core dump. (Signal=%d)\n", sig); + fprintf(stderr, "Fuck yah. Core dump. (Signal=%d)\n", sig); /* die with a core dump */ abort(); @@ -476,9 +554,9 @@ void ob_main_loop_fd_remove(ObMainLoop *loop, #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; @@ -489,14 +567,14 @@ static void insert_timer(ObMainLoop *loop, ObMainLoopTimer *ins) { 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, @@ -525,9 +603,22 @@ void ob_main_loop_timeout_remove(ObMainLoop *loop, for (it = loop->timers; it; it = g_slist_next(it)) { ObMainLoopTimer *t = it->data; - if (t->func == handler) { + if (t->func == handler) t->del_me = TRUE; - break; + } +} + +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) { + t->del_me = TRUE; + if (cancel_dest) + t->destroy = NULL; } } } @@ -555,48 +646,62 @@ static gboolean nearest_timeout_wait(ObMainLoop *loop, GTimeVal *tm) 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; }