FriendlyCaps: add sort func

Signed-off-by: Vasiliy Doylov <nekocwd@mainlining.org>

src/gst.vala

@@ -27,17 +27,13 @@ public class EyeNeko.Gstreamer : Object {
 
 
     private void set_up_caps (Gst.Device device) {
-        FriendlyCaps best_caps = null;
         var caps = device.get_caps ();
         available_caps.remove_all ();
         for (uint i = 0; i < caps.get_size (); i++) {
             var cap = new FriendlyCaps.with_struct (caps.get_structure (i));
             available_caps.append (cap);
-            best_caps = (best_caps == null || cap.is_res_better (best_caps)) ? cap : best_caps;
         }
-        uint pos;
-        available_caps.find (best_caps, out pos);
-        caps_selecton_model.set_selected (pos);
+        caps_selecton_model.selected = 0;
     }
 
     public class Camera : Object {
@@ -133,11 +129,7 @@ public class EyeNeko.Gstreamer : Object {
     }
 
     construct {
-        var srt = new Gtk.SortListModel (available_caps, new Gtk.CustomSorter ((_a, _b) => {
-            var a = (FriendlyCaps) _a;
-            var b = (FriendlyCaps) _b;
-            return a.is_res_better (b) ? -1 : a.is_res_same (b) ? 0 : 1;
-        }));
+        var srt = new Gtk.SortListModel (available_caps, new Gtk.CustomSorter ((a, b) => FriendlyCaps.sort_func ((FriendlyCaps) a, (FriendlyCaps) b)));
         caps_selecton_model.set_model (srt);
         caps_selecton_model.notify["selected-item"].connect (() => start_stream_from (current_camera));
     }

src/logic/friendly-caps.vala

@@ -70,6 +70,15 @@ namespace EyeNeko {
             return (width * height == cap.width * cap.height);
         }
 
+        public static int sort_func (FriendlyCaps a, FriendlyCaps b) {
+            if (a.width > b.width)
+                return -1;
+            else if (a.width == b.width)
+                return a.height > b.height ? -1 : a.height == b.height ? a.fps > b.fps ? -1 : a.fps == b.fps ? 0 : 1 : 1;
+            else
+                return 1;
+        }
+
         public Gst.Caps to_caps () {
             var res = new Gst.Caps.empty ();
             res.append_structure (struct.copy ());