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display: Ensure we generate the UI initially on two output mode

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We rely on visible-child-name notifications to generate the
appropriate UI, unfortunately it doesn't happen for the first added
stack page if the widget is already visible. Work around this by
adding a dummy page first.
This commit is contained in:
Rui Matos 2017-08-25 16:44:50 +02:00
parent 6c4eb9fc86
commit 337802315c
1 changed files with 3 additions and 0 deletions
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3
panels/display/cc-display-panel.c
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@ -2016,6 +2016,9 @@ make_two_output_ui (CcDisplayPanel *panel)
stack = gtk_stack_new (); stack = gtk_stack_new ();
gtk_container_add (GTK_CONTAINER (vbox), stack); gtk_container_add (GTK_CONTAINER (vbox), stack);
/* Add a dummy first stack page so that setting the visible child
* below triggers a visible-child-name notification. */
gtk_stack_add_named (GTK_STACK (stack), make_bin (), "dummy");
add_two_output_page (switcher, stack, "join", _("Join Displays"), add_two_output_page (switcher, stack, "join", _("Join Displays"),
"video-joined-displays-symbolic"); "video-joined-displays-symbolic");