Add a function for handling XGE events

Signed-off-by: Uli Schlachter <psychon@znc.in>

2 files changed, 28 insertions, 0 deletions

diff --git a/src/xcb_errors.c b/src/xcb_errors.c
index 5a469e2..266159d 100644
--- a/src/xcb_errors.c
+++ b/src/xcb_errors.c
@@ -144,6 +144,20 @@ const char *xcb_errors_get_name_for_minor_code(xcb_errors_context_t *ctx,
 	return get_strings_entry(info->static_info->strings_minor, minor_code);
 }
 
+const char *xcb_errors_get_name_for_xge_event(xcb_errors_context_t *ctx,
+		uint8_t major_code, uint16_t event_type)
+{
+	struct extension_info_t *info = ctx->extensions;
+
+	while (info && info->major_opcode != major_code)
+		info = info->next;
+
+	if (info == NULL || event_type >= info->static_info->num_xge_events)
+		return NULL;
+
+	return get_strings_entry(info->static_info->strings_xge_events, event_type);
+}
+
 const char *xcb_errors_get_name_for_event(xcb_errors_context_t *ctx,
 		uint8_t event_code, const char **extension)
 {
diff --git a/src/xcb_errors.h b/src/xcb_errors.h
index 757fd4a..a0af831 100644
--- a/src/xcb_errors.h
+++ b/src/xcb_errors.h
@@ -102,6 +102,20 @@ const char *xcb_errors_get_name_for_event(xcb_errors_context_t *ctx,
 		uint8_t event_code, const char **extension);
 
 /**
+ * Get the name corresponding to some XGE or XKB event. XKB does not actually
+ * use the X generic event extension, but implements its own event multiplexing.
+ * This function also handles XKB's xkbType events as a event_type.
+ *
+ * @param ctx An errors context, created with @ref xcb_errors_context_new ()
+ * @param major_code The extension's major code
+ * @param event_type The type of the event in that extension.
+ * @return A string allocated in static storage that contains a name for this
+ * event or NULL.
+ */
+const char *xcb_errors_get_name_for_xge_event(xcb_errors_context_t *ctx,
+		uint8_t major_code, uint16_t event_type);
+
+/**
  * Get the name corresponding to some error.
  *
  * @param ctx An errors context, created with @ref xcb_errors_context_new ()