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gsignal: Mention handler ID type in signal connection macro docs

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gtk-doc doesn’t make the return type clear, because these are macros
rather than inline functions, so people often have to guess at the
return type (or look it up from g_signal_connect_closure(), but that’s
hard work).

Make it clear that the return type for handler IDs is gulong. While
there, fix the capitalisation of ‘id’ to ‘ID’ in a few places.
This commit is contained in:
Philip Withnall 2016-11-10 16:12:41 +00:00
parent 3f12ca57c4
commit 9f4d5e8b91
2 changed files with 8 additions and 8 deletions
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10
gobject/gsignal.c
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@ -2312,7 +2312,7 @@ g_signal_get_invocation_hint (gpointer instance)
*
* Connects a closure to a signal for a particular object.
*
* Returns: the handler id (always greater than 0 for successful connections)
* Returns: the handler ID (always greater than 0 for successful connections)
*/
gulong
g_signal_connect_closure_by_id (gpointer instance,
@ -2371,7 +2371,7 @@ g_signal_connect_closure_by_id (gpointer instance,
*
* Connects a closure to a signal for a particular object.
*
* Returns: the handler id (always greater than 0 for successful connections)
* Returns: the handler ID (always greater than 0 for successful connections)
*/
gulong
g_signal_connect_closure (gpointer instance,
@ -2464,7 +2464,7 @@ node_check_deprecated (const SignalNode *node)
* used. Specify @connect_flags if you need `..._after()` or
* `..._swapped()` variants of this function.
*
* Returns: the handler id (always greater than 0 for successful connections)
* Returns: the handler ID (always greater than 0 for successful connections)
*/
gulong
g_signal_connect_data (gpointer instance,
@ -2645,9 +2645,9 @@ g_signal_handler_disconnect (gpointer instance,
/**
* g_signal_handler_is_connected:
* @instance: (type GObject.Object): The instance where a signal handler is sought.
* @handler_id: the handler id.
* @handler_id: the handler ID.
*
* Returns whether @handler_id is the id of a handler connected to @instance.
* Returns whether @handler_id is the ID of a handler connected to @instance.
*
* Returns: whether @handler_id identifies a handler connected to @instance.
*/

6
gobject/gsignal.h
View File

@ -469,7 +469,7 @@ void g_signal_chain_from_overridden_handler (gpointer instance,
* See [memory management of signal handlers][signal-memory-management] for
* details on how to handle the return value and memory management of @data.
*
* Returns: the handler id (always greater than 0 for successful connections)
* Returns: the handler ID, of type #gulong (always greater than 0 for successful connections)
*/
#define g_signal_connect(instance, detailed_signal, c_handler, data) \
g_signal_connect_data ((instance), (detailed_signal), (c_handler), (data), NULL, (GConnectFlags) 0)
@ -484,7 +484,7 @@ void g_signal_chain_from_overridden_handler (gpointer instance,
*
* The handler will be called after the default handler of the signal.
*
* Returns: the handler id (always greater than 0 for successful connections)
* Returns: the handler ID, of type #gulong (always greater than 0 for successful connections)
*/
#define g_signal_connect_after(instance, detailed_signal, c_handler, data) \
g_signal_connect_data ((instance), (detailed_signal), (c_handler), (data), NULL, G_CONNECT_AFTER)
@ -522,7 +522,7 @@ void g_signal_chain_from_overridden_handler (gpointer instance,
* (GCallback) button_clicked_cb, other_widget);
* ]|
*
* Returns: the handler ID (always greater than 0 for successful connections)
* Returns: the handler ID, of type #gulong (always greater than 0 for successful connections)
*/
#define g_signal_connect_swapped(instance, detailed_signal, c_handler, data) \
g_signal_connect_data ((instance), (detailed_signal), (c_handler), (data), NULL, G_CONNECT_SWAPPED)