From 60f85cac42cdad6603869ffe9c2da9a8dc9a6f61 Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Wed, 14 Nov 2012 23:23:53 +0000
Subject: [PATCH] provide the ability to enable + disable tooltips

git-svn-id: svn://localhost/ardour2/branches/3.0@13505 d708f5d6-7413-0410-9779-e7cbd77b26cf
---
 gtk2_ardour/editor_actions.cc              | 10 ++++++++++
 gtk2_ardour/rc_option_editor.cc            |  8 ++++++++
 libs/ardour/ardour/rc_configuration_vars.h |  1 +
 libs/gtkmm2ext/gtkmm2ext/utils.h           |  2 ++
 libs/gtkmm2ext/utils.cc                    | 12 ++++++++++++
 5 files changed, 33 insertions(+)

diff --git a/gtk2_ardour/editor_actions.cc b/gtk2_ardour/editor_actions.cc
index a8b9f0da0c..b2f11bb367 100644
--- a/gtk2_ardour/editor_actions.cc
+++ b/gtk2_ardour/editor_actions.cc
@@ -23,6 +23,7 @@
 #include "pbd/file_utils.h"
 
 #include "gtkmm2ext/tearoff.h"
+#include "gtkmm2ext/utils.h"
 
 #include "ardour/filesystem_paths.h"
 #include "ardour/profile.h"
@@ -1489,6 +1490,15 @@ Editor::parameter_changed (std::string p)
 		if (_routes) {
 			_routes->reset_remote_control_ids ();
 		}
+	} else if (p == "use-tooltips") {
+
+		/* this doesn't really belong here but it has to go somewhere */
+
+		if (Config->get_use_tooltips()) {
+			Gtkmm2ext::enable_tooltips ();
+		} else {
+			Gtkmm2ext::disable_tooltips ();
+		}
 	}
 }
 
diff --git a/gtk2_ardour/rc_option_editor.cc b/gtk2_ardour/rc_option_editor.cc
index 978cea87cc..c52764d8fe 100644
--- a/gtk2_ardour/rc_option_editor.cc
+++ b/gtk2_ardour/rc_option_editor.cc
@@ -1707,6 +1707,14 @@ RCOptionEditor::RCOptionEditor ()
 		     sigc::mem_fun (*_rc_config, &RCConfiguration::set_widget_prelight)
 		     ));
 
+	add_option (S_("GUI"),
+	     new BoolOption (
+		     "use-tooltips",
+		     _("Show tooltips if mouse hovers over a control"),
+		     sigc::mem_fun (*_rc_config, &RCConfiguration::get_use_tooltips),
+		     sigc::mem_fun (*_rc_config, &RCConfiguration::set_use_tooltips)
+		     ));
+
 #ifndef GTKOSX
 	/* font scaling does nothing with GDK/Quartz */
 	add_option (S_("GUI"), new FontScalingOptions (_rc_config));
diff --git a/libs/ardour/ardour/rc_configuration_vars.h b/libs/ardour/ardour/rc_configuration_vars.h
index a8912e3ef9..ef697b4043 100644
--- a/libs/ardour/ardour/rc_configuration_vars.h
+++ b/libs/ardour/ardour/rc_configuration_vars.h
@@ -202,6 +202,7 @@ CONFIG_VARIABLE (DenormalModel, denormal_model, "denormal-model", DenormalFTZDAZ
 
 CONFIG_VARIABLE (bool, show_zoom_tools, "show-zoom-tools", true)
 CONFIG_VARIABLE (bool, widget_prelight, "widget-prelight", true)
+CONFIG_VARIABLE (bool, use_tooltips, "use-tooltips", true)
 CONFIG_VARIABLE (std::string, mixer_strip_visibility, "mixer-strip-visibility", "PhaseInvert,SoloSafe,SoloIsolated,Group,MeterPoint")
 CONFIG_VARIABLE (bool, allow_non_quarter_pulse, "allow-non-quarter-pulse", false)
 CONFIG_VARIABLE (bool, show_region_gain, "show-region-gain", false)
diff --git a/libs/gtkmm2ext/gtkmm2ext/utils.h b/libs/gtkmm2ext/gtkmm2ext/utils.h
index c4c9a4125c..1b0a9f5725 100644
--- a/libs/gtkmm2ext/gtkmm2ext/utils.h
+++ b/libs/gtkmm2ext/gtkmm2ext/utils.h
@@ -110,6 +110,8 @@ namespace Gtkmm2ext {
 	Gtk::Label* left_aligned_label (std::string const &);
 
 	void set_no_tooltip_whatsoever (Gtk::Widget &);
+	void enable_tooltips ();
+	void disable_tooltips ();
 };
 
 #endif /*  __gtkmm2ext_utils_h__ */
diff --git a/libs/gtkmm2ext/utils.cc b/libs/gtkmm2ext/utils.cc
index 11c5b90722..c0c7a88362 100644
--- a/libs/gtkmm2ext/utils.cc
+++ b/libs/gtkmm2ext/utils.cc
@@ -650,3 +650,15 @@ Gtkmm2ext::set_no_tooltip_whatsoever (Gtk::Widget& w)
 	w.property_has_tooltip() = true;
 	w.signal_query_tooltip().connect (sigc::ptr_fun (make_null_tooltip));
 }
+
+void
+Gtkmm2ext::enable_tooltips ()
+{
+	gtk_rc_parse_string ("gtk-enable-tooltips = 1");
+}
+
+void
+Gtkmm2ext::disable_tooltips ()
+{
+	gtk_rc_parse_string ("gtk-enable-tooltips = 0");
+}