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make the xevent stuff work for events from extensions (these go beyond LASTEvent)

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This commit is contained in:
Dana Jansens 2007-07-28 16:10:31 -04:00
parent 9f5296fb14
commit 03f45e79b8
1 changed files with 33 additions and 14 deletions
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41
obt/xevent.c
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@ -18,6 +18,7 @@
#include "obt/xevent.h"
#include "obt/mainloop.h"
#include "obt/util.h"
typedef struct _ObtXEventBinding ObtXEventBinding;
@ -26,9 +27,10 @@ struct _ObtXEventHandler
gint ref;
ObtMainLoop *loop;
/* A hash table where the key is the window, and the value is the
ObtXEventBinding */
GHashTable *bindings[LASTEvent]; /* LASTEvent comes from X.h */
/* An array of hash tables where the key is the window, and the value is
the ObtXEventBinding */
GHashTable **bindings;
gint num_event_types; /* the length of the bindings array */
};
struct _ObtXEventBinding
@ -45,14 +47,10 @@ static gboolean window_comp(Window *w1, Window *w2) { return *w1 == *w2; }
ObtXEventHandler* xevent_new()
{
ObtXEventHandler *h;
gint i;
h = g_new(ObtXEventHandler, 1);
h = g_new0(ObtXEventHandler, 1);
h->ref = 1;
for (i = 0; i < LASTEvent; ++i)
h->bindings[i] = g_hash_table_new_full((GHashFunc)window_hash,
(GEqualFunc)window_comp,
NULL, g_free);
return h;
}
@ -64,8 +62,15 @@ void xevent_ref(ObtXEventHandler *h)
void xevent_unref(ObtXEventHandler *h)
{
if (h && --h->ref == 0) {
gint i;
if (h->loop)
obt_main_loop_x_remove(h->loop, xevent_handler);
for (i = 0; i < h->num_event_types; ++i)
g_hash_table_destroy(h->bindings[i]);
g_free(h->bindings);
obt_free0(h, ObtXEventHandler, 1);
}
}
@ -80,10 +85,20 @@ void xevent_set_handler(ObtXEventHandler *h, gint type, Window win,
{
ObtXEventBinding *b;
g_assert(type < LASTEvent);
g_assert(win);
g_assert(func);
/* make sure we have a spot for the event */
if (type + 1 < h->num_event_types) {
gint i;
h->bindings = g_renew(GHashTable*, h->bindings, type + 1);
for (i = h->num_event_types; i < type + 1; ++i)
h->bindings[i] = g_hash_table_new_full((GHashFunc)window_hash,
(GEqualFunc)window_comp,
NULL, g_free);
h->num_event_types = type + 1;
}
b = g_new(ObtXEventBinding, 1);
b->win = win;
b->func = func;
@ -93,7 +108,7 @@ void xevent_set_handler(ObtXEventHandler *h, gint type, Window win,
void xevent_remove_handler(ObtXEventHandler *h, gint type, Window win)
{
g_assert(type < LASTEvent);
g_assert(type < h->num_event_types);
g_assert(win);
g_hash_table_remove(h->bindings[type], &win);
@ -104,7 +119,11 @@ static void xevent_handler(const XEvent *e, gpointer data)
ObtXEventHandler *h;
ObtXEventBinding *b;
if (e->type < h->num_event_types) {
h = data;
b = g_hash_table_lookup(h->bindings[e->xany.type], &e->xany.window);
if (b) b->func(e, b->data);
}
else
g_message("Unhandled X Event type %d", e->xany.type);
}