[Xfce4-commits] [panel-plugins/xfce4-whiskermenu-plugin] 01/02: Disable opacity option when non-composited.

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   in repository panel-plugins/xfce4-whiskermenu-plugin.

commit 917fe44a67c9b2d50d8a96d95abf0d3ed3815063
Author: Graeme Gott <graeme at gottcode.org>
Date:   Thu Apr 26 18:58:58 2018 -0400

    Disable opacity option when non-composited.
---
 panel-plugin/configuration-dialog.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/panel-plugin/configuration-dialog.cpp b/panel-plugin/configuration-dialog.cpp
index 59c9872..603fb09 100644
--- a/panel-plugin/configuration-dialog.cpp
+++ b/panel-plugin/configuration-dialog.cpp
@@ -662,6 +662,11 @@ GtkWidget* ConfigurationDialog::init_appearance_tab()
 	gtk_range_set_value(GTK_RANGE(m_background_opacity), wm_settings->menu_opacity);
 	g_signal_connect_slot(m_background_opacity, "value-changed", &ConfigurationDialog::background_opacity_changed, this);
 
+	GdkScreen* screen = gtk_widget_get_screen(m_window);
+	const bool enabled = gdk_screen_is_composited(screen);
+	gtk_widget_set_sensitive(label, enabled);
+	gtk_widget_set_sensitive(GTK_WIDGET(m_background_opacity), enabled);
+
 	return GTK_WIDGET(page);
 }
 

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