Fix incompatible pointer types for GtkItemFactoryCallbacks on gcc-14 release-2.x.y

Tue, 09 Jul 2024 02:03:20 -0500

author
Yoann Congal <yoann.congal@smile.fr>
date
Tue, 09 Jul 2024 02:03:20 -0500
branch
release-2.x.y
changeset 42808
210f318db492
parent 42807
e5067bf7186b
child 42809
641933de6808

Fix incompatible pointer types for GtkItemFactoryCallbacks on gcc-14

The GtkItemFactoryEntry struct callback is of type GtkItemFactoryCallbacks
(aka void (*)(void)) but is initialised with GtkItemFactoryCallback1 types
(aka void (*)(void *, guint, GtkWidget *)).

This is coherent with the gtk-2 documentation:
> gtk_item_factory_create_items(..., GtkItemFactoryEntry *entries,...)
> entries : an array of GtkItemFactoryEntrys whose callback members must by of
> type GtkItemFactoryCallback1

But, under gcc-14, the implicit cast from GtkItemFactoryCallback1 to
GtkItemFactoryCallback triggers an incompatible-pointer-types error (See [gcc-doc]).

An exemple of this error:

pidgin/gtkconv.c:3096:66: error: initialization of 'void (*)(void)' from incompatible pointer type 'void (*)(void *, guint, GtkWidget *)' {aka 'void (*)(void *, unsigned int, struct _GtkWidget *)'} [-Wincompatible-pointer-types]
3096 | { N_("/Conversation/New Instant _Message..."), "<CTL>M", menu_new_conv_cb,
| ^~~~~~~~~~~~~~~~
pidgin/gtkconv.c:3096:66: note: (near initialization for 'menu_items[1].callback')

To fix this, explicitely cast to GtkItemFactoryCallback where needed.

[0]: https://gcc.gnu.org/gcc-14/porting_to.html#incompatible-pointer-types

Testing Done:
Built with gcc-14, started and clicked on some affected menus

Reviewed at https://reviews.imfreedom.org/r/3282/

pidgin/gtkblist.c file | annotate | diff | comparison | revisions
pidgin/gtkconv.c file | annotate | diff | comparison | revisions
--- a/pidgin/gtkblist.c	Mon Jul 08 00:54:25 2024 -0500
+++ b/pidgin/gtkblist.c	Tue Jul 09 02:03:20 2024 -0500
@@ -3624,11 +3624,11 @@
 	{ N_("/Buddies/View User _Log..."), "<CTL>L", pidgin_dialogs_log, 0, "<Item>", NULL },
 	{ "/Buddies/sep1", NULL, NULL, 0, "<Separator>", NULL },
 	{ N_("/Buddies/Sh_ow"), NULL, NULL, 0, "<Branch>", NULL},
-	{ N_("/Buddies/Show/_Offline Buddies"), NULL, pidgin_blist_edit_mode_cb, 1, "<CheckItem>", NULL },
-	{ N_("/Buddies/Show/_Empty Groups"), NULL, pidgin_blist_show_empty_groups_cb, 1, "<CheckItem>", NULL },
-	{ N_("/Buddies/Show/Buddy _Details"), NULL, pidgin_blist_buddy_details_cb, 1, "<CheckItem>", NULL },
-	{ N_("/Buddies/Show/Idle _Times"), NULL, pidgin_blist_show_idle_time_cb, 1, "<CheckItem>", NULL },
-	{ N_("/Buddies/Show/_Protocol Icons"), NULL, pidgin_blist_show_protocol_icons_cb, 1, "<CheckItem>", NULL },
+	{ N_("/Buddies/Show/_Offline Buddies"), NULL, (GtkItemFactoryCallback)pidgin_blist_edit_mode_cb, 1, "<CheckItem>", NULL },
+	{ N_("/Buddies/Show/_Empty Groups"), NULL, (GtkItemFactoryCallback)pidgin_blist_show_empty_groups_cb, 1, "<CheckItem>", NULL },
+	{ N_("/Buddies/Show/Buddy _Details"), NULL, (GtkItemFactoryCallback)pidgin_blist_buddy_details_cb, 1, "<CheckItem>", NULL },
+	{ N_("/Buddies/Show/Idle _Times"), NULL, (GtkItemFactoryCallback)pidgin_blist_show_idle_time_cb, 1, "<CheckItem>", NULL },
+	{ N_("/Buddies/Show/_Protocol Icons"), NULL, (GtkItemFactoryCallback)pidgin_blist_show_protocol_icons_cb, 1, "<CheckItem>", NULL },
 	{ N_("/Buddies/_Sort Buddies"), NULL, NULL, 0, "<Branch>", NULL },
 	{ "/Buddies/sep2", NULL, NULL, 0, "<Separator>", NULL },
 	{ N_("/Buddies/_Add Buddy..."), "<CTL>B", pidgin_blist_add_buddy_cb, 0, "<StockItem>", GTK_STOCK_ADD },
@@ -3651,11 +3651,11 @@
 	{ N_("/Tools/Pr_ivacy"), NULL, pidgin_privacy_dialog_show, 0, "<Item>", NULL },
 	{ N_("/Tools/Set _Mood"), "<CTL>D", set_mood_show, 0, "<Item>", NULL },
 	{ "/Tools/sep2", NULL, NULL, 0, "<Separator>", NULL },
-	{ N_("/Tools/_File Transfers"), "<CTL>T", pidgin_xfer_dialog_show, 0, "<StockItem>", PIDGIN_STOCK_TOOLBAR_TRANSFER },
+	{ N_("/Tools/_File Transfers"), "<CTL>T", (GtkItemFactoryCallback)pidgin_xfer_dialog_show, 0, "<StockItem>", PIDGIN_STOCK_TOOLBAR_TRANSFER },
 	{ N_("/Tools/R_oom List"), NULL, pidgin_roomlist_dialog_show, 0, "<Item>", NULL },
 	{ N_("/Tools/System _Log"), NULL, gtk_blist_show_systemlog_cb, 3, "<Item>", NULL },
 	{ "/Tools/sep3", NULL, NULL, 0, "<Separator>", NULL },
-	{ N_("/Tools/Mute _Sounds"), NULL, pidgin_blist_mute_sounds_cb, 0, "<CheckItem>", NULL },
+	{ N_("/Tools/Mute _Sounds"), NULL, (GtkItemFactoryCallback)pidgin_blist_mute_sounds_cb, 0, "<CheckItem>", NULL },
 	/* Help */
 	{ N_("/_Help"), NULL, NULL, 0, "<Branch>", NULL },
 	{ N_("/Help/Online _Help"), "F1", gtk_blist_show_onlinehelp_cb, 0, "<StockItem>", GTK_STOCK_HELP },
--- a/pidgin/gtkconv.c	Mon Jul 08 00:54:25 2024 -0500
+++ b/pidgin/gtkconv.c	Tue Jul 09 02:03:20 2024 -0500
@@ -3093,76 +3093,76 @@
 	/* Conversation menu */
 	{ N_("/_Conversation"), NULL, NULL, 0, "<Branch>", NULL },
 
-	{ N_("/Conversation/New Instant _Message..."), "<CTL>M", menu_new_conv_cb,
+	{ N_("/Conversation/New Instant _Message..."), "<CTL>M", (GtkItemFactoryCallback)menu_new_conv_cb,
 			0, "<StockItem>", PIDGIN_STOCK_TOOLBAR_MESSAGE_NEW },
-	{ N_("/Conversation/Join a _Chat..."), NULL, menu_join_chat_cb,
+	{ N_("/Conversation/Join a _Chat..."), NULL, (GtkItemFactoryCallback)menu_join_chat_cb,
 			0, "<StockItem>", PIDGIN_STOCK_CHAT },
 
 	{ "/Conversation/sep0", NULL, NULL, 0, "<Separator>", NULL },
 
-	{ N_("/Conversation/_Find..."), NULL, menu_find_cb, 0,
+	{ N_("/Conversation/_Find..."), NULL, (GtkItemFactoryCallback)menu_find_cb, 0,
 			"<StockItem>", GTK_STOCK_FIND },
-	{ N_("/Conversation/View _Log"), NULL, menu_view_log_cb, 0, "<Item>", NULL },
-	{ N_("/Conversation/_Save As..."), NULL, menu_save_as_cb, 0,
+	{ N_("/Conversation/View _Log"), NULL, (GtkItemFactoryCallback)menu_view_log_cb, 0, "<Item>", NULL },
+	{ N_("/Conversation/_Save As..."), NULL, (GtkItemFactoryCallback)menu_save_as_cb, 0,
 			"<StockItem>", GTK_STOCK_SAVE_AS },
-	{ N_("/Conversation/Clea_r Scrollback"), "<CTL>L", menu_clear_cb, 0, "<StockItem>", GTK_STOCK_CLEAR },
+	{ N_("/Conversation/Clea_r Scrollback"), "<CTL>L", (GtkItemFactoryCallback)menu_clear_cb, 0, "<StockItem>", GTK_STOCK_CLEAR },
 
 	{ "/Conversation/sep1", NULL, NULL, 0, "<Separator>", NULL },
 
 #ifdef USE_VV
 	{ N_("/Conversation/M_edia"), NULL, NULL, 0, "<Branch>", NULL },
 
-	{ N_("/Conversation/Media/_Audio Call"), NULL, menu_initiate_media_call_cb, 0,
+	{ N_("/Conversation/Media/_Audio Call"), NULL, (GtkItemFactoryCallback)menu_initiate_media_call_cb, 0,
 		"<StockItem>", PIDGIN_STOCK_TOOLBAR_AUDIO_CALL },
-	{ N_("/Conversation/Media/_Video Call"), NULL, menu_initiate_media_call_cb, 1,
+	{ N_("/Conversation/Media/_Video Call"), NULL, (GtkItemFactoryCallback)menu_initiate_media_call_cb, 1,
 		"<StockItem>", PIDGIN_STOCK_TOOLBAR_VIDEO_CALL },
-	{ N_("/Conversation/Media/Audio\\/Video _Call"), NULL, menu_initiate_media_call_cb, 2,
+	{ N_("/Conversation/Media/Audio\\/Video _Call"), NULL, (GtkItemFactoryCallback)menu_initiate_media_call_cb, 2,
 		"<StockItem>", PIDGIN_STOCK_TOOLBAR_VIDEO_CALL },
 #endif
 
-	{ N_("/Conversation/Se_nd File..."), NULL, menu_send_file_cb, 0, "<StockItem>", PIDGIN_STOCK_TOOLBAR_SEND_FILE },
-	{ N_("/Conversation/Get _Attention"), NULL, menu_get_attention_cb, 0, "<StockItem>", PIDGIN_STOCK_TOOLBAR_SEND_ATTENTION },
-	{ N_("/Conversation/Add Buddy _Pounce..."), NULL, menu_add_pounce_cb,
+	{ N_("/Conversation/Se_nd File..."), NULL, (GtkItemFactoryCallback)menu_send_file_cb, 0, "<StockItem>", PIDGIN_STOCK_TOOLBAR_SEND_FILE },
+	{ N_("/Conversation/Get _Attention"), NULL, (GtkItemFactoryCallback)menu_get_attention_cb, 0, "<StockItem>", PIDGIN_STOCK_TOOLBAR_SEND_ATTENTION },
+	{ N_("/Conversation/Add Buddy _Pounce..."), NULL, (GtkItemFactoryCallback)menu_add_pounce_cb,
 			0, "<Item>", NULL },
-	{ N_("/Conversation/_Get Info"), "<CTL>O", menu_get_info_cb, 0,
+	{ N_("/Conversation/_Get Info"), "<CTL>O", (GtkItemFactoryCallback)menu_get_info_cb, 0,
 			"<StockItem>", PIDGIN_STOCK_TOOLBAR_USER_INFO },
-	{ N_("/Conversation/In_vite..."), NULL, menu_invite_cb, 0,
+	{ N_("/Conversation/In_vite..."), NULL, (GtkItemFactoryCallback)menu_invite_cb, 0,
 			"<Item>", NULL },
 	{ N_("/Conversation/M_ore"), NULL, NULL, 0, "<Branch>", NULL },
 
 	{ "/Conversation/sep2", NULL, NULL, 0, "<Separator>", NULL },
 
-	{ N_("/Conversation/Al_ias..."), NULL, menu_alias_cb, 0,
+	{ N_("/Conversation/Al_ias..."), NULL, (GtkItemFactoryCallback)menu_alias_cb, 0,
 			"<Item>", NULL },
-	{ N_("/Conversation/_Block..."), NULL, menu_block_cb, 0,
+	{ N_("/Conversation/_Block..."), NULL, (GtkItemFactoryCallback)menu_block_cb, 0,
 			"<StockItem>", PIDGIN_STOCK_TOOLBAR_BLOCK },
-	{ N_("/Conversation/_Unblock..."), NULL, menu_unblock_cb, 0,
+	{ N_("/Conversation/_Unblock..."), NULL, (GtkItemFactoryCallback)menu_unblock_cb, 0,
 			"<StockItem>", PIDGIN_STOCK_TOOLBAR_UNBLOCK },
-	{ N_("/Conversation/_Add..."), NULL, menu_add_remove_cb, 0,
+	{ N_("/Conversation/_Add..."), NULL, (GtkItemFactoryCallback)menu_add_remove_cb, 0,
 			"<StockItem>", GTK_STOCK_ADD },
-	{ N_("/Conversation/_Remove..."), NULL, menu_add_remove_cb, 0,
+	{ N_("/Conversation/_Remove..."), NULL, (GtkItemFactoryCallback)menu_add_remove_cb, 0,
 			"<StockItem>", GTK_STOCK_REMOVE },
 
 	{ "/Conversation/sep3", NULL, NULL, 0, "<Separator>", NULL },
 
-	{ N_("/Conversation/Insert Lin_k..."), NULL, menu_insert_link_cb, 0,
+	{ N_("/Conversation/Insert Lin_k..."), NULL, (GtkItemFactoryCallback)menu_insert_link_cb, 0,
 		"<StockItem>", PIDGIN_STOCK_TOOLBAR_INSERT_LINK },
-	{ N_("/Conversation/Insert Imag_e..."), NULL, menu_insert_image_cb, 0,
+	{ N_("/Conversation/Insert Imag_e..."), NULL, (GtkItemFactoryCallback)menu_insert_image_cb, 0,
 		"<StockItem>", PIDGIN_STOCK_TOOLBAR_INSERT_IMAGE },
 
 	{ "/Conversation/sep4", NULL, NULL, 0, "<Separator>", NULL },
 
 
-	{ N_("/Conversation/_Close"), NULL, menu_close_conv_cb, 0,
+	{ N_("/Conversation/_Close"), NULL, (GtkItemFactoryCallback)menu_close_conv_cb, 0,
 			"<StockItem>", GTK_STOCK_CLOSE },
 
 	/* Options */
 	{ N_("/_Options"), NULL, NULL, 0, "<Branch>", NULL },
-	{ N_("/Options/Enable _Logging"), NULL, menu_logging_cb, 0, "<CheckItem>", NULL },
-	{ N_("/Options/Enable _Sounds"), NULL, menu_sounds_cb, 0, "<CheckItem>", NULL },
+	{ N_("/Options/Enable _Logging"), NULL, (GtkItemFactoryCallback)menu_logging_cb, 0, "<CheckItem>", NULL },
+	{ N_("/Options/Enable _Sounds"), NULL, (GtkItemFactoryCallback)menu_sounds_cb, 0, "<CheckItem>", NULL },
 	{ "/Options/sep0", NULL, NULL, 0, "<Separator>", NULL },
-	{ N_("/Options/Show Formatting _Toolbars"), NULL, menu_toolbar_cb, 0, "<CheckItem>", NULL },
-	{ N_("/Options/Show Ti_mestamps"), NULL, menu_timestamps_cb, 0, "<CheckItem>", NULL },
+	{ N_("/Options/Show Formatting _Toolbars"), NULL, (GtkItemFactoryCallback)menu_toolbar_cb, 0, "<CheckItem>", NULL },
+	{ N_("/Options/Show Ti_mestamps"), NULL, (GtkItemFactoryCallback)menu_timestamps_cb, 0, "<CheckItem>", NULL },
 };
 
 static const int menu_item_count =

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