1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
3 obt/xevent.c for the Openbox window manager
4 Copyright (c) 2007 Dana Jansens
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 See the COPYING file for a copy of the GNU General Public License.
19 #include "obt/xevent.h"
20 #include "obt/mainloop.h"
22 typedef struct _ObtXEventBinding ObtXEventBinding
;
24 struct _ObtXEventHandler
29 /* A hash table where the key is the window, and the value is the
31 GHashTable
*bindings
[LASTEvent
]; /* LASTEvent comes from X.h */
34 struct _ObtXEventBinding
37 ObtXEventCallback func
;
41 static void xevent_handler(const XEvent
*e
, gpointer data
);
42 static guint
window_hash(Window
*w
) { return *w
; }
43 static gboolean
window_comp(Window
*w1
, Window
*w2
) { return *w1
== *w2
; }
45 ObtXEventHandler
* xevent_new()
50 h
= g_new(ObtXEventHandler
, 1);
52 for (i
= 0; i
< LASTEvent
; ++i
)
53 h
->bindings
[i
] = g_hash_table_new_full((GHashFunc
)window_hash
,
54 (GEqualFunc
)window_comp
,
59 void xevent_ref(ObtXEventHandler
*h
)
64 void xevent_unref(ObtXEventHandler
*h
)
66 if (h
&& --h
->ref
== 0) {
68 obt_main_loop_x_remove(h
->loop
, xevent_handler
);
72 void xevent_register(ObtXEventHandler
*h
, ObtMainLoop
*loop
)
75 obt_main_loop_x_add(loop
, xevent_handler
, h
, NULL
);
78 void xevent_set_handler(ObtXEventHandler
*h
, gint type
, Window win
,
79 ObtXEventCallback func
, gpointer data
)
83 g_assert(type
< LASTEvent
);
87 b
= g_new(ObtXEventBinding
, 1);
91 g_hash_table_replace(h
->bindings
[type
], &b
->win
, b
);
94 void xevent_remove_handler(ObtXEventHandler
*h
, gint type
, Window win
)
96 g_assert(type
< LASTEvent
);
99 g_hash_table_remove(h
->bindings
[type
], &win
);
102 static void xevent_handler(const XEvent
*e
, gpointer data
)
108 b
= g_hash_table_lookup(h
->bindings
[e
->xany
.type
], &e
->xany
.window
);
109 if (b
) b
->func(e
, b
->data
);