From 9bc85a553c542bc3bff108a066a1da9493078491 Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Tue, 11 Aug 2015 14:04:58 +0200
Subject: add API to get combobox option count.

The data model needs to be checked to count available options.
Directly using ComboBoxText::children()::size() counts widgets.
---
 libs/gtkmm2ext/gtkmm2ext/utils.h |  2 ++
 libs/gtkmm2ext/utils.cc          | 10 ++++++++++
 2 files changed, 12 insertions(+)

(limited to 'libs/gtkmm2ext')

diff --git a/libs/gtkmm2ext/gtkmm2ext/utils.h b/libs/gtkmm2ext/gtkmm2ext/utils.h
index ab70464ea0..6ed5d77428 100644
--- a/libs/gtkmm2ext/gtkmm2ext/utils.h
+++ b/libs/gtkmm2ext/gtkmm2ext/utils.h
@@ -101,6 +101,8 @@ namespace Gtkmm2ext {
 	LIBGTKMM2EXT_API void get_popdown_strings (Gtk::ComboBoxText&,
 	                          std::vector<std::string>&);
 
+	LIBGTKMM2EXT_API size_t get_popdown_string_count (Gtk::ComboBoxText&);
+
 	LIBGTKMM2EXT_API bool contains_value (Gtk::ComboBoxText&,
 	                          const std::string);
 
diff --git a/libs/gtkmm2ext/utils.cc b/libs/gtkmm2ext/utils.cc
index 6efa95ac1a..f1616f16a1 100644
--- a/libs/gtkmm2ext/utils.cc
+++ b/libs/gtkmm2ext/utils.cc
@@ -322,6 +322,16 @@ Gtkmm2ext::get_popdown_strings (Gtk::ComboBoxText& cr, std::vector<std::string>&
 	}
 }
 
+size_t
+Gtkmm2ext::get_popdown_string_count (Gtk::ComboBoxText& cr)
+{
+	Glib::RefPtr<const Gtk::TreeModel> m = cr.get_model();
+	if (!m) {
+		return 0;
+	}
+	return m->children().size();
+}
+
 bool
 Gtkmm2ext::contains_value (Gtk::ComboBoxText& cr, const std::string text)
 {
-- 
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