[geany/geany] 9fa27c: splitwindow: Fix document selection popup on GTK >= 3.15.9 && <= 3.21.4
Colomban Wendling
git-noreply at geany.org
Sat Oct 22 13:15:24 UTC 2016
Branch: refs/heads/master
Author: Colomban Wendling <ban at herbesfolles.org>
Committer: Colomban Wendling <ban at herbesfolles.org>
Date: Sat, 22 Oct 2016 13:15:24 UTC
Commit: 9fa27cb16ba6f82489fa91514052854774f000f6
https://github.com/geany/geany/commit/9fa27cb16ba6f82489fa91514052854774f000f6
Log Message:
-----------
splitwindow: Fix document selection popup on GTK >= 3.15.9 && <= 3.21.4
Works around GTK bug https://bugzilla.gnome.org/show_bug.cgi?id=769287.
Stop emission of the ::show-menu signal if it was first emitted from an
inactive toggle button, which happens only in the buggy case.
This workaround tries to not negatively affect a correctly behaving GTK
version in the unlikely case some distributions patched their version.
Fixes #1149.
Modified Paths:
--------------
plugins/splitwindow.c
Modified: plugins/splitwindow.c
37 lines changed, 35 insertions(+), 2 deletions(-)
===================================================================
@@ -247,7 +247,7 @@ static void on_doc_menu_item_clicked(gpointer item, GeanyDocument *doc)
}
-static void on_doc_menu_show(GtkMenu *menu)
+static void on_doc_show_menu(GtkMenuToolButton *button, GtkMenu *menu)
{
/* clear the old menu items */
gtk_container_foreach(GTK_CONTAINER(menu), (GtkCallback) gtk_widget_destroy, NULL);
@@ -257,6 +257,34 @@ static void on_doc_menu_show(GtkMenu *menu)
}
+#if GTK_CHECK_VERSION(3, 0, 0)
+/* Blocks the ::show-menu signal if the menu's parent toggle button was inactive in the previous run.
+ * This is a hack to workaround https://bugzilla.gnome.org/show_bug.cgi?id=769287
+ * and should NOT be used for any other version than 3.15.9 to 3.21.4, although the code tries and
+ * not block a legitimate signal in case the GTK version in use has been patched */
+static void show_menu_gtk316_fix(GtkMenuToolButton *button, gpointer data)
+{
+ /* we assume only a single menu can popup at once, so reentrency isn't an issue.
+ * if it was, we could use custom data on the button, but it shouldn't be required */
+ static gboolean block_next = FALSE;
+
+ if (block_next)
+ {
+ g_signal_stop_emission_by_name(button, "show-menu");
+ block_next = FALSE;
+ }
+ else
+ {
+ GtkWidget *menu = gtk_menu_tool_button_get_menu(button);
+ GtkWidget *parent = gtk_menu_get_attach_widget(GTK_MENU(menu));
+
+ if (parent && GTK_IS_TOGGLE_BUTTON(parent) && ! gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(parent)))
+ block_next = TRUE;
+ }
+}
+#endif
+
+
static GtkWidget *create_toolbar(void)
{
GtkWidget *toolbar, *item;
@@ -275,7 +303,12 @@ static GtkWidget *create_toolbar(void)
item = gtk_menu_new();
gtk_menu_tool_button_set_menu(GTK_MENU_TOOL_BUTTON(tool_item), item);
- g_signal_connect(item, "show", G_CALLBACK(on_doc_menu_show), NULL);
+#if GTK_CHECK_VERSION (3, 0, 0)
+ /* hack for https://bugzilla.gnome.org/show_bug.cgi?id=769287 */
+ if (! gtk_check_version(3, 15, 9) && gtk_check_version(3, 21, 4+1))
+ g_signal_connect(tool_item, "show-menu", G_CALLBACK(show_menu_gtk316_fix), NULL);
+#endif
+ g_signal_connect(tool_item, "show-menu", G_CALLBACK(on_doc_show_menu), item);
tool_item = gtk_tool_item_new();
gtk_tool_item_set_expand(tool_item, TRUE);
--------------
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