From 2c9666e0ee21666b98fced055d75400f41ec5d0b Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Fri, 16 Oct 2015 19:06:21 +0200
Subject: [PATCH] API to add system-specific file chooser shortcuts

---
 libs/gtkmm2ext/gtkmm2ext/utils.h |  3 +++
 libs/gtkmm2ext/utils.cc          | 28 ++++++++++++++++++++++++++++
 2 files changed, 31 insertions(+)

diff --git a/libs/gtkmm2ext/gtkmm2ext/utils.h b/libs/gtkmm2ext/gtkmm2ext/utils.h
index 688f4431c6..43baf5980b 100644
--- a/libs/gtkmm2ext/gtkmm2ext/utils.h
+++ b/libs/gtkmm2ext/gtkmm2ext/utils.h
@@ -28,6 +28,7 @@
 #include <pangomm/fontdescription.h>
 
 #include <gtkmm/container.h>
+#include <gtkmm/filechooser.h>
 #include <gtkmm/treeview.h>
 #include <gdkmm/window.h> /* for WMDecoration */
 #include <gdkmm/pixbuf.h>
@@ -170,6 +171,8 @@ namespace Gtkmm2ext {
 	 * use a std::string
 	 */
 	LIBGTKMM2EXT_API std::string markup_escape_text (std::string const& s);
+
+	LIBGTKMM2EXT_API void add_volume_shortcuts (Gtk::FileChooser& c);
 };
 
 #endif /*  __gtkmm2ext_utils_h__ */
diff --git a/libs/gtkmm2ext/utils.cc b/libs/gtkmm2ext/utils.cc
index 3762f88dd6..a7790e6775 100644
--- a/libs/gtkmm2ext/utils.cc
+++ b/libs/gtkmm2ext/utils.cc
@@ -973,3 +973,31 @@ Gtkmm2ext::markup_escape_text (std::string const& s)
 {
 	return Glib::Markup::escape_text (s);
 }
+
+void
+Gtkmm2ext::add_volume_shortcuts (Gtk::FileChooser& c)
+{
+#ifdef __APPLE__
+	try {
+		/* This is a first order approach, listing all mounted volumes (incl network).
+		 * One could use `diskutil` or `mount` to query local disks only, or
+		 * something even fancier if deemed appropriate.
+		 */
+		Glib::Dir dir("/Volumes");
+		for (Glib::DirIterator di = dir.begin(); di != dir.end(); di++) {
+			string fullpath = Glib::build_filename ("/Volumes", *di);
+			if (!Glib::file_test (fullpath, Glib::FILE_TEST_IS_DIR)) continue;
+
+			try { /* add_shortcut_folder throws an exception if the folder being added already has a shortcut */
+				c.add_shortcut_folder (fullpath);
+			}
+			catch (Glib::Error& e) {
+				std::cerr << "add_shortcut_folder() threw Glib::Error: " << e.what() << std::endl;
+			}
+		}
+	}
+	catch (Glib::FileError& e) {
+		std::cerr << "listing /Volumnes failed: " << e.what() << std::endl;
+	}
+#endif
+}