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Keep separate putback_events and queued_events queues so that we get both

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Tue Dec 15 10:26:23 1998  Owen Taylor  <otaylor@redhat.com>

	* gdk/gdkevents.c: Keep separate putback_events and
	queued_events queues so that we get both FIFO and
	preemptive behavior for	gdk_event_put().
This commit is contained in:
Owen Taylor 1998-12-15 15:32:49 +00:00 committed by Owen Taylor
parent 9a9f4591a4
commit 1bf27c357d
9 changed files with 190 additions and 60 deletions
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6
ChangeLog
View File

@ -1,3 +1,9 @@
Tue Dec 15 10:26:23 1998 Owen Taylor <otaylor@redhat.com>
* gdk/gdkevents.c: Keep separate putback_events and
queued_events queues so that we get both FIFO and
preemptive behavior for gdk_event_put().
Tue Dec 15 09:22:44 1998 Owen Taylor <otaylor@gtk.org>
* gtk/gtkrc.c (gtk_rc_init): Removed unused

6
ChangeLog.pre-2-0
View File

@ -1,3 +1,9 @@
Tue Dec 15 10:26:23 1998 Owen Taylor <otaylor@redhat.com>
* gdk/gdkevents.c: Keep separate putback_events and
queued_events queues so that we get both FIFO and
preemptive behavior for gdk_event_put().
Tue Dec 15 09:22:44 1998 Owen Taylor <otaylor@gtk.org>
* gtk/gtkrc.c (gtk_rc_init): Removed unused

6
ChangeLog.pre-2-10
View File

@ -1,3 +1,9 @@
Tue Dec 15 10:26:23 1998 Owen Taylor <otaylor@redhat.com>
* gdk/gdkevents.c: Keep separate putback_events and
queued_events queues so that we get both FIFO and
preemptive behavior for gdk_event_put().
Tue Dec 15 09:22:44 1998 Owen Taylor <otaylor@gtk.org>
* gtk/gtkrc.c (gtk_rc_init): Removed unused

6
ChangeLog.pre-2-2
View File

@ -1,3 +1,9 @@
Tue Dec 15 10:26:23 1998 Owen Taylor <otaylor@redhat.com>
* gdk/gdkevents.c: Keep separate putback_events and
queued_events queues so that we get both FIFO and
preemptive behavior for gdk_event_put().
Tue Dec 15 09:22:44 1998 Owen Taylor <otaylor@gtk.org>
* gtk/gtkrc.c (gtk_rc_init): Removed unused

6
ChangeLog.pre-2-4
View File

@ -1,3 +1,9 @@
Tue Dec 15 10:26:23 1998 Owen Taylor <otaylor@redhat.com>
* gdk/gdkevents.c: Keep separate putback_events and
queued_events queues so that we get both FIFO and
preemptive behavior for gdk_event_put().
Tue Dec 15 09:22:44 1998 Owen Taylor <otaylor@gtk.org>
* gtk/gtkrc.c (gtk_rc_init): Removed unused

6
ChangeLog.pre-2-6
View File

@ -1,3 +1,9 @@
Tue Dec 15 10:26:23 1998 Owen Taylor <otaylor@redhat.com>
* gdk/gdkevents.c: Keep separate putback_events and
queued_events queues so that we get both FIFO and
preemptive behavior for gdk_event_put().
Tue Dec 15 09:22:44 1998 Owen Taylor <otaylor@gtk.org>
* gtk/gtkrc.c (gtk_rc_init): Removed unused

6
ChangeLog.pre-2-8
View File

@ -1,3 +1,9 @@
Tue Dec 15 10:26:23 1998 Owen Taylor <otaylor@redhat.com>
* gdk/gdkevents.c: Keep separate putback_events and
queued_events queues so that we get both FIFO and
preemptive behavior for gdk_event_put().
Tue Dec 15 09:22:44 1998 Owen Taylor <otaylor@gtk.org>
* gtk/gtkrc.c (gtk_rc_init): Removed unused

98
gdk/gdkevents.c
View File

@ -53,6 +53,7 @@ static Bool gdk_event_get_type (Display *display,
XPointer arg);
#endif
static void gdk_events_queue (void);
static GdkEvent *gdk_event_unqueue (void);
static gboolean gdk_event_prepare (gpointer source_data,
GTimeVal *current_time,
@ -95,7 +96,15 @@ static GDestroyNotify event_notify;
static GList *client_filters; /* Filters for client messages */
/* FIFO's for event queue, and for events put back using
* gdk_event_put(). We keep separate queues so that
* we can make the putback events both FIFO and preemptive
* of pending events.
*/
static GList *queued_events = NULL;
static GList *queued_tail = NULL;
static GList *putback_events = NULL;
static GList *putback_tail = NULL;
static GSourceFuncs event_funcs = {
gdk_event_prepare,
@ -448,35 +457,33 @@ gdk_event_handler_set (GdkEventFunc func,
GdkEvent *
gdk_event_get (void)
{
GdkEvent *event;
GList *temp_list;
gdk_events_queue();
if (queued_events)
{
event = queued_events->data;
temp_list = queued_events;
queued_events = g_list_remove_link (queued_events, temp_list);
g_list_free_1 (temp_list);
return event;
}
else
return NULL;
return gdk_event_unqueue();
}
void
gdk_event_put (GdkEvent *event)
{
GdkEvent *new_event;
GList *tmp_list;
g_return_if_fail (event != NULL);
new_event = gdk_event_copy (event);
queued_events = g_list_prepend (queued_events, new_event);
tmp_list = g_list_alloc();
tmp_list->prev = putback_tail;
tmp_list->next = NULL;
tmp_list->data = new_event;
if (!putback_events)
{
putback_events = tmp_list;
putback_tail = tmp_list;
}
else
putback_tail->next = tmp_list;
}
/*
@ -1861,7 +1868,20 @@ gdk_events_queue (void)
event->any.send_event = xevent.xany.send_event;
if (gdk_event_translate (event, &xevent))
queued_events = g_list_prepend (queued_events, event);
{
GList *tmp_list = g_list_alloc();
tmp_list->prev = queued_tail;
tmp_list->next = NULL;
tmp_list->data = event;
if (!queued_events)
{
queued_events = tmp_list;
queued_tail = queued_events;
}
else
queued_tail->next = tmp_list;
}
else
gdk_event_free (event);
}
@ -1875,7 +1895,7 @@ gdk_event_prepare (gpointer source_data,
*timeout = -1;
gdk_events_queue ();
return (queued_events != NULL);
return (queued_events || putback_events);
}
static gboolean
@ -1883,12 +1903,39 @@ gdk_event_check (gpointer source_data,
GTimeVal *current_time)
{
if (event_poll_fd.revents & G_IO_IN)
{
gdk_events_queue ();
return (queued_events != NULL);
return (queued_events || putback_events);
}
static GdkEvent *
gdk_event_unqueue (void)
{
GdkEvent *event;
GList *tmp_list, **head, **tail;
if (putback_events)
{
head = &putback_events;
tail = &putback_tail;
}
else if (queued_events)
{
head = &queued_events;
tail = &queued_tail;
}
else
return FALSE;
return NULL;
if (*head == *tail)
*tail = NULL;
tmp_list = *head;
event = tmp_list->data;
*head = g_list_remove_link (tmp_list, tmp_list);
g_list_free_1 (tmp_list);
return event;
}
static gboolean
@ -1896,13 +1943,10 @@ gdk_event_dispatch (gpointer source_data,
GTimeVal *current_time,
gpointer user_data)
{
if (queued_events)
{
GdkEvent *event = queued_events->data;
GList *tmp_list = queued_events;
queued_events = g_list_remove_link (queued_events, queued_events);
g_list_free_1 (tmp_list);
GdkEvent *event = gdk_event_unqueue();
if (event)
{
if (event_func)
(*event_func) (event, event_data);

98
gdk/x11/gdkevents-x11.c
View File

@ -53,6 +53,7 @@ static Bool gdk_event_get_type (Display *display,
XPointer arg);
#endif
static void gdk_events_queue (void);
static GdkEvent *gdk_event_unqueue (void);
static gboolean gdk_event_prepare (gpointer source_data,
GTimeVal *current_time,
@ -95,7 +96,15 @@ static GDestroyNotify event_notify;
static GList *client_filters; /* Filters for client messages */
/* FIFO's for event queue, and for events put back using
* gdk_event_put(). We keep separate queues so that
* we can make the putback events both FIFO and preemptive
* of pending events.
*/
static GList *queued_events = NULL;
static GList *queued_tail = NULL;
static GList *putback_events = NULL;
static GList *putback_tail = NULL;
static GSourceFuncs event_funcs = {
gdk_event_prepare,
@ -448,35 +457,33 @@ gdk_event_handler_set (GdkEventFunc func,
GdkEvent *
gdk_event_get (void)
{
GdkEvent *event;
GList *temp_list;
gdk_events_queue();
if (queued_events)
{
event = queued_events->data;
temp_list = queued_events;
queued_events = g_list_remove_link (queued_events, temp_list);
g_list_free_1 (temp_list);
return event;
}
else
return NULL;
return gdk_event_unqueue();
}
void
gdk_event_put (GdkEvent *event)
{
GdkEvent *new_event;
GList *tmp_list;
g_return_if_fail (event != NULL);
new_event = gdk_event_copy (event);
queued_events = g_list_prepend (queued_events, new_event);
tmp_list = g_list_alloc();
tmp_list->prev = putback_tail;
tmp_list->next = NULL;
tmp_list->data = new_event;
if (!putback_events)
{
putback_events = tmp_list;
putback_tail = tmp_list;
}
else
putback_tail->next = tmp_list;
}
/*
@ -1861,7 +1868,20 @@ gdk_events_queue (void)
event->any.send_event = xevent.xany.send_event;
if (gdk_event_translate (event, &xevent))
queued_events = g_list_prepend (queued_events, event);
{
GList *tmp_list = g_list_alloc();
tmp_list->prev = queued_tail;
tmp_list->next = NULL;
tmp_list->data = event;
if (!queued_events)
{
queued_events = tmp_list;
queued_tail = queued_events;
}
else
queued_tail->next = tmp_list;
}
else
gdk_event_free (event);
}
@ -1875,7 +1895,7 @@ gdk_event_prepare (gpointer source_data,
*timeout = -1;
gdk_events_queue ();
return (queued_events != NULL);
return (queued_events || putback_events);
}
static gboolean
@ -1883,12 +1903,39 @@ gdk_event_check (gpointer source_data,
GTimeVal *current_time)
{
if (event_poll_fd.revents & G_IO_IN)
{
gdk_events_queue ();
return (queued_events != NULL);
return (queued_events || putback_events);
}
static GdkEvent *
gdk_event_unqueue (void)
{
GdkEvent *event;
GList *tmp_list, **head, **tail;
if (putback_events)
{
head = &putback_events;
tail = &putback_tail;
}
else if (queued_events)
{
head = &queued_events;
tail = &queued_tail;
}
else
return FALSE;
return NULL;
if (*head == *tail)
*tail = NULL;
tmp_list = *head;
event = tmp_list->data;
*head = g_list_remove_link (tmp_list, tmp_list);
g_list_free_1 (tmp_list);
return event;
}
static gboolean
@ -1896,13 +1943,10 @@ gdk_event_dispatch (gpointer source_data,
GTimeVal *current_time,
gpointer user_data)
{
if (queued_events)
{
GdkEvent *event = queued_events->data;
GList *tmp_list = queued_events;
queued_events = g_list_remove_link (queued_events, queued_events);
g_list_free_1 (tmp_list);
GdkEvent *event = gdk_event_unqueue();
if (event)
{
if (event_func)
(*event_func) (event, event_data);