gtk: use accelerator functions instead of direct access for future gtk3 compilation
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@ -281,7 +281,9 @@ std::string GetUserText(const char* title)
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entry = gtk_entry_new();
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gtk_container_add(GTK_CONTAINER(GTK_DIALOG(d)->vbox), entry);
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GtkWidget* vbox = gtk_dialog_get_content_area(GTK_DIALOG(d));
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gtk_container_add(GTK_CONTAINER(vbox), entry);
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gtk_widget_show_all(d);
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