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Rewritten signal handling code - it wasn't supposed to come before 0.9 irssi

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but it doesn't break much things and is needed for Qt port :)


git-svn-id: http://svn.irssi.org/repos/irssi/trunk@2682 dbcabf3a-b0e7-0310-adc4-f8d773084564
This commit is contained in:
Timo Sirainen 2002-04-15 13:59:09 +00:00 • committed by cras
commit 8b9c4823bf
6 changed files with 228 additions and 191 deletions
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64
src/core/signals.h
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@ -1,33 +1,43 @@
#ifndef __SIGNAL_H
#define __SIGNAL_H
#define SIGNAL_PRIORITY_LOW 100
#define SIGNAL_PRIORITY_DEFAULT 0
#define SIGNAL_PRIORITY_HIGH -100
#define SIGNAL_MAX_ARGUMENTS 6
typedef void (*SIGNAL_FUNC) (gconstpointer, gconstpointer,
gconstpointer, gconstpointer,
gconstpointer, gconstpointer);
typedef void (*SIGNAL_FUNC) (const void *, const void *,
const void *, const void *,
const void *, const void *);
void signals_init(void);
void signals_deinit(void);
/* signal name -> ID */
#define signal_get_uniq_id(signal) \
module_get_uniq_id_str("signals", signal)
/* signal ID -> name */
#define signal_get_id_str(signal_id) \
module_find_id_str("signals", signal_id)
extern void *signal_user_data; /* use signal_get_user_data() macro to access */
/* bind a signal */
void signal_add_to(const char *module, int pos,
const char *signal, SIGNAL_FUNC func);
void signal_add_to_id(const char *module, int pos,
int signal, SIGNAL_FUNC func);
#define signal_add(a, b) signal_add_to(MODULE_NAME, 1, a, b)
#define signal_add_first(a, b) signal_add_to(MODULE_NAME, 0, a, b)
#define signal_add_last(a, b) signal_add_to(MODULE_NAME, 2, a, b)
void signal_add_full(const char *module, int priority,
const char *signal, SIGNAL_FUNC func, void *user_data);
void signal_add_full_id(const char *module, int priority,
int signal, SIGNAL_FUNC func, void *user_data);
#define signal_add(signal, func) \
signal_add_full(MODULE_NAME, SIGNAL_PRIORITY_DEFAULT, (signal), (SIGNAL_FUNC) (func), NULL)
#define signal_add_first(signal, func) \
signal_add_full(MODULE_NAME, SIGNAL_PRIORITY_HIGH, (signal), (SIGNAL_FUNC) (func), NULL)
#define signal_add_last(signal, func) \
signal_add_full(MODULE_NAME, SIGNAL_PRIORITY_LOW, (signal), (SIGNAL_FUNC) (func), NULL)
#define signal_add_data(signal, func, data) \
signal_add_full(MODULE_NAME, SIGNAL_PRIORITY_DEFAULT, (signal), (SIGNAL_FUNC) (func), data)
#define signal_add_first_data(signal, func, data) \
signal_add_full(MODULE_NAME, SIGNAL_PRIORITY_HIGH, (signal), (SIGNAL_FUNC) (func), data)
#define signal_add_last_data(signal, func, data) \
signal_add_full(MODULE_NAME, SIGNAL_PRIORITY_LOW, (signal), (SIGNAL_FUNC) (func), data)
/* unbind signal */
void signal_remove(const char *signal, SIGNAL_FUNC func);
void signal_remove_id(int signal_id, SIGNAL_FUNC func);
void signal_remove_full(const char *signal, SIGNAL_FUNC func, void *user_data);
#define signal_remove(signal, func) \
signal_remove_full((signal), (SIGNAL_FUNC) (func), NULL)
#define signal_remove_data(signal, func, data) \
signal_remove_full((signal), (SIGNAL_FUNC) (func), data)
void signal_remove_id(int signal_id, SIGNAL_FUNC func, void *user_data);
/* emit signal */
int signal_emit(const char *signal, int params, ...);
@ -44,8 +54,20 @@ const char *signal_get_emitted(void);
int signal_get_emitted_id(void);
/* return TRUE if specified signal was stopped */
int signal_is_stopped(int signal_id);
/* return the user data of the signal function currently being emitted */
#define signal_get_user_data() signal_user_data
/* remove all signals that belong to `module' */
void signals_remove_module(const char *module);
/* signal name -> ID */
#define signal_get_uniq_id(signal) \
module_get_uniq_id_str("signals", signal)
/* signal ID -> name */
#define signal_get_id_str(signal_id) \
module_find_id_str("signals", signal_id)
void signals_init(void);
void signals_deinit(void);
#endif