1 /* Copyright (c) 2008 Sadrul Habib Chowdhury (sadrul@users.sf.net)
2 * 2009 Rui Guo (firemeteor.guo@gmail.com)
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 3, or (at your option)
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program (see the file COPYING); if not, write to the
16 * Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
19 ****************************************************************
26 /*Binding structure & functions*/
28 struct binding
*bindings
= NULL
;
31 register_binding (struct binding
*new_binding
)
33 if (!new_binding
->registered
)
35 new_binding
->b_next
= bindings
;
36 bindings
= new_binding
;
37 new_binding
->registered
= 1;
42 extern struct binding lua_binding
;
45 void LoadBindings(void)
48 register_binding(&lua_binding
);
53 FinalizeBindings (void)
55 struct binding
*binding
=bindings
;
60 binding
= binding
->b_next
;
65 ScriptSource(int argc
, const char **argv
)
69 const char *bd_select
= 0, *script
;
70 struct binding
*binding
= bindings
;
72 /* Parse the commandline options
73 * sourcescript [-async|-a] [-binding|-b <binding>] script
75 while (*argv
&& **argv
== '-') {
76 /* check for (-a | -async) */
77 if ((*argv
[1] == 'a' && !*argv
[2])
78 || strcmp(*argv
, "-async") == 0)
80 /* check for (-b | -binding) */
81 else if ((*argv
[1] == 'b' && !*argv
[2])
82 || strcmp(*argv
, "-binding") == 0) {
91 if (!bd_select
|| strcmp(bd_select
, binding
->name
) == 0) {
92 /*dynamically initialize the binding*/
96 /*and source the script*/
97 if (ret
= binding
->bd_Source(script
, async
))
100 binding
= binding
->b_next
;
103 LMsg(1, "Could not source specified script %s", script
);
107 ScriptCall(const char *func
, const char **argv
)
110 return LuaCall(func
, argv
);
114 ScriptCmd(int argc
, const char **argv
)
116 const char * sub
= *argv
;
118 if (!strcmp(sub
, "call"))
119 ScriptCall(*argv
, argv
+1);
120 else if (!strcmp(sub
, "source"))
121 ScriptSource(argc
, argv
);
124 /* Event notification handling */
126 struct gevents globalevents
;
128 /* To add a new event, introduce a field for that event to the object in
129 * question, and don't forget to put an descriptor here. NOTE: keep the
130 * name field sorted in alphabet order, the searching relies on it.
132 * the params string specifies the expected parameters. The length of the
133 * string equals to the number of parameters. Each char specifies the type of
134 * the parameter, with its meaning similar to those in printf().
137 * S: string array (char **)
142 struct sev_description
{
147 {"global_cmdexecuted", "sS", offsetof(struct gevents
, cmdexecuted
)},
148 {"global_detached", "", offsetof(struct gevents
, detached
)},
149 {"window_resize", "", offsetof(struct win
, w_sev
.resize
)},
150 {"window_can_resize", "", offsetof(struct win
, w_sev
.canresize
)}
153 /* Get the event queue with the given name in the obj. If the obj is NULL,
154 * global events are searched. If no event is found, a NULL is returned.
156 struct script_event
*
157 object_get_event(char *obj
, const char *name
)
161 obj
= (char *)&globalevents
;
164 n
= hi
= sizeof(event_table
) / sizeof(struct sev_description
);
168 half
= (lo
+ hi
) >> 1;
169 cmp
= strcmp(name
, event_table
[half
].name
);
176 if (lo
>= n
|| strcmp(name
, event_table
[lo
].name
))
181 struct script_event
*res
;
182 res
= (struct script_event
*) (obj
+ event_table
[lo
].offset
);
183 /*Setup the parameter record.*/
184 res
->params
= event_table
[lo
].params
;
189 /* Put a listener in a proper position in the chain
190 * according to the privlege.*/
193 register_listener(struct script_event
*ev
, struct listener
*l
)
196 struct listener head
, *p
;
197 head
.chain
= ev
->listeners
;
200 if (l
->priv
< PRIV_MIN
)
204 while (p
->chain
&& priv
>= p
->chain
->priv
)
209 ev
->listeners
= head
.chain
;
213 unregister_listener(struct listener
*l
)
218 /* Trigger event with given parameters.*/
220 trigger_sevent(struct script_event
*ev
, VA_DOTS
)
223 struct listener
*chain
;
226 /*invalid or un-registered event structure*/
227 if (!ev
|| !ev
->params
)
230 /*process the chain in order, stop if any of the handler returns true.*/
231 chain
= ev
->listeners
;
236 res
= chain
->dispatcher(chain
->handler
, params
, va
);
245 #define ALL_SCRIPTS(fn, params, stop) do { \
246 struct binding *iter; \
247 for (iter = bindings; iter; iter = iter->b_next) \
249 if (iter->fns->fn && (ret = (iter->fns->fn params)) && stop) \
254 void ScriptForeWindowChanged(void)
257 ALL_SCRIPTS(sf_ForeWindowChanged
, (), 0);
260 int ScriptProcessCaption(const char *str
, struct win
*win
, int len
)
263 ALL_SCRIPTS(sf_ProcessCaption
, (str
, win
, len
), 1);