Added completion hook, to let plugins add custom completions for commands

src/plugins/alias/alias.c

@@ -43,6 +43,7 @@ struct t_alias *last_alias = NULL;
 struct t_hook *alias_command = NULL;
 struct t_hook *unalias_command = NULL;
 struct t_hook *config_reload = NULL;
+struct t_hook *completion = NULL;
 
 
 /*
@@ -690,6 +691,28 @@ unalias_command_cb (void *data, void *buffer, int argc, char **argv,
     return 0;
 }
 
+/*
+ * alias_completion_cb: callback for completion
+ */
+
+int
+alias_completion_cb (void *data, char *completion, void *list)
+{
+    struct t_alias *ptr_alias;
+    
+    /* make C compiler happy */
+    (void) data;
+    (void) completion;
+
+    for (ptr_alias = alias_list; ptr_alias;
+         ptr_alias = ptr_alias->next_alias)
+    {
+        weechat_list_add (list, ptr_alias->name, "sort");
+    }
+    
+    return PLUGIN_RC_SUCCESS;
+}
+
 /*
  * weechat_plugin_init: initialize alias plugin
  */
@@ -734,12 +757,15 @@ weechat_plugin_init (struct t_weechat_plugin *plugin)
                                             N_("alias_name"),
                                             N_("alias_name: name of alias to "
                                                "remove"),
-                                            "%h",
+                                            "%(alias)",
                                             unalias_command_cb, NULL);
 
     config_reload = weechat_hook_event ("config_reload",
                                         alias_config_reload_event_cb, NULL);
     
+    completion = weechat_hook_completion ("alias",
+                                          alias_completion_cb, NULL);
+    
     return PLUGIN_RC_SUCCESS;
 }
 
@@ -756,6 +782,7 @@ weechat_plugin_end ()
     weechat_unhook (alias_command);
     weechat_unhook (unalias_command);
     weechat_unhook (config_reload);
+    weechat_unhook (completion);
     
     return PLUGIN_RC_SUCCESS;
 }

src/plugins/plugin-api.c

@@ -1185,6 +1185,21 @@ plugin_api_hook_config (struct t_weechat_plugin *plugin, char *config_type,
     return NULL;
 }
 
+/*
+ * plugin_api_hook_completion: hook a completion
+ */
+
+struct t_hook *
+plugin_api_hook_completion (struct t_weechat_plugin *plugin, char *completion,
+                            int (*callback)(void *, char *, void *),
+                            void *data)
+{
+    if (plugin && callback)
+        return hook_completion (plugin, completion, callback, data);
+    
+    return NULL;
+}
+
 /*
  * plugin_api_unhook: unhook something
  */

src/plugins/plugin-api.h

@@ -146,6 +146,10 @@ extern struct t_hook *plugin_api_hook_config (struct t_weechat_plugin *,
                                               char *, char *,
                                               int (*)(void *, char *, char *, char *),
                                               void *);
+extern struct t_hook *plugin_api_hook_completion (struct t_weechat_plugin *,
+                                                  char *,
+                                                  int (*)(void *, char *, void *),
+                                                  void *);
 extern void plugin_api_unhook (struct t_weechat_plugin *, void *);
 extern void plugin_api_unhook_all (struct t_weechat_plugin *);
 

src/plugins/plugin.c

@@ -289,6 +289,7 @@ plugin_load (char *filename)
         new_plugin->hook_print = &plugin_api_hook_print;
         new_plugin->hook_event = &plugin_api_hook_event;
         new_plugin->hook_config = &plugin_api_hook_config;
+        new_plugin->hook_completion = &plugin_api_hook_completion;
         new_plugin->unhook = &plugin_api_unhook;
         new_plugin->unhook_all = &plugin_api_unhook_all;
         

src/plugins/weechat-plugin.h

@@ -155,6 +155,9 @@ struct t_weechat_plugin
     struct t_hook *(*hook_config) (struct t_weechat_plugin *, char *, char *,
                                    int (*)(void *, char *, char *, char *),
                                    void *);
+    struct t_hook *(*hook_completion) (struct t_weechat_plugin *, char *,
+                                       int (*)(void *, char *, void *),
+                                       void *);
     void (*unhook) (struct t_weechat_plugin *, void *);
     void (*unhook_all) (struct t_weechat_plugin *);
     
@@ -364,6 +367,9 @@ struct t_weechat_plugin
 #define weechat_hook_config(__type, __option, __callback, __data)       \
     weechat_plugin->hook_config(weechat_plugin, __type, __option,       \
                                 __callback, __data)
+#define weechat_hook_completion(__completion, __callback, __data)       \
+    weechat_plugin->hook_completion(weechat_plugin, __completion,       \
+                                    __callback, __data)
 #define weechat_unhook(__hook)                          \
     weechat_plugin->unhook(weechat_plugin, __hook)
 #define weechat_unhook_all()                    \