コード例 #1
0
ファイル: Value.cs プロジェクト: leoliusg/gstreamer-sharp
 public void SetGValue(ref GLib.Value val)
 {
     GLib.Value min = new GLib.Value(Min);
     GLib.Value max = new GLib.Value(Max);
     gst_value_set_fraction_range(ref val, ref min, ref max);
     min.Dispose();
     max.Dispose();
 }
コード例 #2
0
ファイル: Value.cs プロジェクト: leoliusg/gstreamer-sharp
 public void SetGValue(ref GLib.Value val)
 {
     foreach (object o in content)
     {
         GLib.Value v = new GLib.Value(o);
         gst_value_array_append_value(ref val, ref v);
         v.Dispose();
     }
 }
コード例 #3
0
        bool RowSeparatorFunc(Gtk.TreeModel model, Gtk.TreeIter iter)
        {
            GLib.Value val = new GLib.Value();
            model.GetValue(iter, 0, ref val);
            bool sep = ((string)val) == "";

            val.Dispose();
            return(sep);
        }
コード例 #4
0
        public PropertyInfo(IntPtr pspec_ptr)
        {
            GParamSpec pspec = (GParamSpec)Marshal.PtrToStructure(pspec_ptr, typeof(GParamSpec));
            IntPtr     name  = g_param_spec_get_name(pspec_ptr);
            IntPtr     nick  = g_param_spec_get_nick(pspec_ptr);
            IntPtr     blurb = g_param_spec_get_blurb(pspec_ptr);

            this.name  = GLib.Marshaller.Utf8PtrToString(name);
            this.nick  = GLib.Marshaller.Utf8PtrToString(nick);
            this.blurb = GLib.Marshaller.Utf8PtrToString(blurb);

            this.readable     = ((pspec.Flags & (1 << 0)) != 0);
            this.writeable    = ((pspec.Flags & (1 << 1)) != 0);
            this.controllable = ((pspec.Flags & (1 << 9)) != 0);
            /* TODO: Add more flags later, like the mutable flags */

            this.gtype = new GLib.GType(pspec.ValueType);
            this.type  = (System.Type) this.gtype;

            this.dflt = this.min = this.max = null;

            try {
                GLib.Value v = new GLib.Value(new GLib.GType(pspec.ValueType));
                g_param_value_set_default(pspec_ptr, ref v);
                this.dflt = v.Val;
                v.Dispose();

                if (EnumInfo.IsEnumType(this.gtype))
                {
                    EnumInfo ei = new EnumInfo(this.gtype);
                    this.min = ei.Min;
                    this.max = ei.Max;
                }
                else
                {
                    GLib.Value min = new GLib.Value(new GLib.GType(pspec.ValueType));
                    GLib.Value max = new GLib.Value(new GLib.GType(pspec.ValueType));
                    if (gstsharp_g_param_spec_get_range(pspec_ptr, ref min, ref max))
                    {
                        this.min = (object)min.Val;
                        this.max = (object)max.Val;
                    }
                    min.Dispose();
                    max.Dispose();
                }
            } catch (Exception) {}
        }
コード例 #5
0
            public bool MoveNext()
            {
                IntPtr raw_ret;
                bool   retry = false;

                if (iterator.Handle == IntPtr.Zero)
                {
                    return(false);
                }

                do
                {
                    GLib.Value value = new GLib.Value(GLib.GType.Boolean);
                    value.Dispose();

                    IteratorResult ret = iterator.Next(ref value);

                    switch (ret)
                    {
                    case IteratorResult.Done:
                        return(false);

                    case IteratorResult.Ok:
                        if (seen.Contains(value))
                        {
                            retry = true;
                            break;
                        }
                        seen.Add(value, null);
                        current = value.Val;
                        return(true);

                    case IteratorResult.Resync:
                        iterator.Resync();
                        retry = true;
                        break;

                    default:
                    case IteratorResult.Error:
                        throw new Exception("Error while iterating");
                    }
                } while (retry);

                return(false);
            }
コード例 #6
0
        public PropertyInfo(IntPtr pspec_ptr)
        {
            GParamSpec pspec = (GParamSpec) Marshal.PtrToStructure (pspec_ptr, typeof (GParamSpec));
              IntPtr name = g_param_spec_get_name (pspec_ptr);
              IntPtr nick = g_param_spec_get_nick (pspec_ptr);
              IntPtr blurb = g_param_spec_get_blurb (pspec_ptr);

              this.name = GLib.Marshaller.Utf8PtrToString (name);
              this.nick = GLib.Marshaller.Utf8PtrToString (nick);
              this.blurb = GLib.Marshaller.Utf8PtrToString (blurb);

              this.readable = ( (pspec.Flags & (1 << 0)) != 0);
              this.writeable = ( (pspec.Flags & (1 << 1)) != 0);
              this.controllable = ( (pspec.Flags & (1 << 9)) != 0);
              /* TODO: Add more flags later, like the mutable flags */

              this.gtype = new GLib.GType (pspec.ValueType);
              this.type = (System.Type) this.gtype;

              this.dflt = this.min = this.max = null;

              try {
            GLib.Value v = new GLib.Value (new GLib.GType (pspec.ValueType));
            g_param_value_set_default (pspec_ptr, ref v);
            this.dflt = v.Val;
            v.Dispose ();

            if (EnumInfo.IsEnumType (this.gtype)) {
              EnumInfo ei = new EnumInfo (this.gtype);
              this.min = ei.Min;
              this.max = ei.Max;
            } else {
              GLib.Value min = new GLib.Value (new GLib.GType (pspec.ValueType));
              GLib.Value max = new GLib.Value (new GLib.GType (pspec.ValueType));
              if (gstsharp_g_param_spec_get_range (pspec_ptr, ref min, ref max)) {
            this.min = (object) min.Val;
            this.max = (object) max.Val;
              }
              min.Dispose ();
              max.Dispose ();
            }
              } catch (Exception) {}
        }
コード例 #7
0
    void OnTreeViewSelectionChanged(object sender, EventArgs e)
    {
        Gtk.TreeSelection selection = sender as Gtk.TreeSelection;
        string            data;

        Gtk.TreeModel model;
        Gtk.TreeIter  iter;

        if (selection.GetSelected(out model, out iter))
        {
            int depth = model.GetPath(iter).ToString().Split(':').Length;
            if (depth == 1)             //Category
            {
                int        column = (int)Column.Id;
                GLib.Value val    = GLib.Value.Empty;
                model.GetValue(iter, column, ref val);
                data = (string)val.Val;
                documentSelectedInTreeView = registry.Get(categorySelectedInComboBox.Direction, categorySelectedInComboBox.Group).Get(int.Parse(data));
                val.Dispose();
            }
        }
    }
コード例 #8
0
ファイル: Value.cs プロジェクト: GStreamer/gstreamer-sharp
 public void SetGValue(ref GLib.Value val)
 {
     foreach (object o in content) {
         GLib.Value v = new GLib.Value (o);
         gst_value_list_append_value (ref val, ref v);
         v.Dispose ();
     }
 }
コード例 #9
0
ファイル: Value.cs プロジェクト: GStreamer/gstreamer-sharp
 public void SetGValue(ref GLib.Value val)
 {
     GLib.Value min = new GLib.Value (Min);
     GLib.Value max = new GLib.Value (Max);
     gst_value_set_fraction_range (ref val, ref min, ref max);
     min.Dispose ();
     max.Dispose ();
 }
コード例 #10
0
ファイル: EtoWebView.cs プロジェクト: gene-l-thomas/Eto
		protected virtual bool OnNewWindowPolicyDecisionRequested (WebFrame frame, NetworkRequest request, WebNavigationAction action, WebPolicyDecision decision)
		{
			var val = new Value (GType.Int);
			var valueArray = new ValueArray (5u);
			var array = new Value[5];

			array [0] = new Value (this);
			valueArray.Append (array [0]);
			array [1] = new Value (frame);
			valueArray.Append (array [1]);
			array [2] = new Value (request);
			valueArray.Append (array [2]);
			array [3] = new Value (action);
			valueArray.Append (array [3]);
			array [4] = new Value (decision);
			valueArray.Append (array [4]);
			GLib.Object.g_signal_chain_from_overridden (valueArray.ArrayPtr, ref val);
			var array2 = array;
			for (int i = 0; i < array2.Length; i++) {
				var value = array2 [i];
				value.Dispose ();
			}
			bool result = (bool)val;
			val.Dispose ();
			return result;
		}
コード例 #11
0
        public static object Emit(GLib.Object o, string name, params object[] parameters)
        {
            SignalQuery query;
            IntPtr      type = gstsharp_g_type_from_instance(o.Handle);
            GType       gtype = new GType(type);
            string      signal_name, signal_detail;
            uint        signal_detail_quark = 0;
            int         colon;

            colon = name.LastIndexOf("::");

            if (colon == -1)
            {
                signal_name   = name;
                signal_detail = String.Empty;
            }
            else
            {
                signal_name   = name.Substring(0, colon);
                signal_detail = name.Substring(colon + 2);
            }

            GTypeSignalKey key = new GTypeSignalKey(gtype, signal_name);

            if (SignalEmitInfo[key] == null)
            {
                IntPtr native_string = GLib.Marshaller.StringToPtrGStrdup(signal_name);
                uint   signal_id     = g_signal_lookup(native_string, type);
                GLib.Marshaller.Free(native_string);

                if (signal_id == 0)
                {
                    throw new NotSupportedException(String.Format("{0} has no signal of name {1}", o, name));
                }
                GSignalQuery q = new GSignalQuery();
                g_signal_query(signal_id, ref q);

                if (q.signal_id == 0)
                {
                    throw new NotSupportedException(String.Format("{0} couldn't be queried for signal with name {1}", o, name));
                }

                query = new SignalQuery();

                query.signal_id    = signal_id;
                query.signal_name  = GLib.Marshaller.Utf8PtrToString(q.signal_name);
                query.itype        = new GType(q.itype);
                query.signal_flags = q.signal_flags;
                query.return_type  = new GType(q.return_type);
                query.n_params     = q.n_params;
                query.param_types  = new Type[q.n_params];

                for (int i = 0; i < query.n_params; i++)
                {
                    IntPtr t = Marshal.ReadIntPtr(q.param_types, i);
                    GType  g = new GType(t);

                    query.param_types[i] = (Type)g;
                }

                SignalEmitInfo.Add(key, query);
            }

            query = (SignalQuery)SignalEmitInfo[key];
            GLib.Value[] signal_parameters = new GLib.Value[query.n_params + 1];
            signal_parameters[0] = new GLib.Value(o);

            if (parameters.Length != query.n_params)
            {
                throw new ApplicationException(String.Format("Invalid number of parameters: expected {0}, got {1}", query.n_params, parameters.Length));
            }

            for (int i = 0; i < query.n_params; i++)
            {
                Type expected_type = (Type)query.param_types[i];
                Type given_type    = parameters[i].GetType();

                if (expected_type != given_type && !given_type.IsSubclassOf(given_type))
                {
                    throw new ApplicationException(String.Format("Invalid parameter type: expected {0}, got {1}", expected_type, given_type));
                }

                signal_parameters[i + 1] = new GLib.Value(parameters[i]);
            }

            GLib.Value return_value = new GLib.Value();
            if (query.return_type != GType.Invalid && query.return_type != GType.None)
            {
                return_value.Init(query.return_type);
            }

            if (signal_detail != String.Empty)
            {
                IntPtr native_string = GLib.Marshaller.StringToPtrGStrdup(signal_detail);
                signal_detail_quark = g_quark_from_string(native_string);
                GLib.Marshaller.Free(native_string);
            }

            g_signal_emitv(signal_parameters, query.signal_id, signal_detail_quark, ref return_value);

            foreach (GLib.Value v in signal_parameters)
            {
                v.Dispose();
            }

            object ret = (query.return_type != GType.Invalid && query.return_type != GType.None) ? return_value.Val : null;

            if (ret != null)
            {
                return_value.Dispose();
            }

            return(ret);
        }
コード例 #12
0
ファイル: Iterator.cs プロジェクト: knocte/gstreamer-sharp-1
            public bool MoveNext()
            {
                IntPtr raw_ret;
                bool retry = false;

                if (iterator.Handle == IntPtr.Zero)
                    return false;

                do {
                    GLib.Value value = new GLib.Value (GLib.GType.Boolean);
                    value.Dispose ();

                    IteratorResult ret = iterator.Next (ref value);

                    switch (ret) {
                    case IteratorResult.Done:
                        return false;
                    case IteratorResult.Ok:
                        if (seen.Contains (value)) {
                            retry = true;
                            break;
                        }
                        seen.Add (value , null);
                        current = value.Val;
                        return true;
                    case IteratorResult.Resync:
                        iterator.Resync ();
                        retry = true;
                        break;
                        default:
                    case IteratorResult.Error:
                        throw new Exception ("Error while iterating");
                    }
                } while (retry);

                return false;
            }
コード例 #13
0
        public static object Emit(GLib.Object o, string name, params object[] parameters)
        {
            SignalQuery query;
              IntPtr type = gstsharp_g_type_from_instance (o.Handle);
              GType gtype = new GType (type);
              string signal_name, signal_detail;
              uint signal_detail_quark = 0;
              int colon;

              colon = name.LastIndexOf ("::");

              if (colon == -1) {
            signal_name = name;
            signal_detail = String.Empty;
              } else {
            signal_name = name.Substring (0, colon);
            signal_detail = name.Substring (colon + 2);
              }

              GTypeSignalKey key = new GTypeSignalKey (gtype, signal_name);

              if (SignalEmitInfo[key] == null) {
            IntPtr native_string = GLib.Marshaller.StringToPtrGStrdup (signal_name);
            uint signal_id = g_signal_lookup (native_string, type);
            GLib.Marshaller.Free (native_string);

            if (signal_id == 0)
              throw new NotSupportedException (String.Format ("{0} has no signal of name {1}", o, name));
            GSignalQuery q = new GSignalQuery ();
            g_signal_query (signal_id, ref q);

            if (q.signal_id == 0)
              throw new NotSupportedException (String.Format ("{0} couldn't be queried for signal with name {1}", o, name));

            query = new SignalQuery ();

            query.signal_id = signal_id;
            query.signal_name = GLib.Marshaller.Utf8PtrToString (q.signal_name);
            query.itype = new GType (q.itype);
            query.signal_flags = q.signal_flags;
            query.return_type = new GType (q.return_type);
            query.n_params = q.n_params;
            query.param_types = new Type[q.n_params];

            for (int i = 0; i < query.n_params; i++) {
              IntPtr t = Marshal.ReadIntPtr (q.param_types, i);
              GType g = new GType (t);

              query.param_types[i] = (Type) g;
            }

            SignalEmitInfo.Add (key, query);
              }

              query = (SignalQuery) SignalEmitInfo[key];
              GLib.Value[] signal_parameters = new GLib.Value[query.n_params + 1];
              signal_parameters[0] = new GLib.Value (o);

              if (parameters.Length != query.n_params)
            throw new ApplicationException (String.Format ("Invalid number of parameters: expected {0}, got {1}", query.n_params, parameters.Length));

              for (int i = 0; i < query.n_params; i++) {
            Type expected_type = (Type) query.param_types[i];
            Type given_type = parameters[i].GetType ();

            if (expected_type != given_type && ! given_type.IsSubclassOf (given_type))
              throw new ApplicationException (String.Format ("Invalid parameter type: expected {0}, got {1}", expected_type, given_type));

            signal_parameters[i + 1] = new GLib.Value (parameters[i]);
              }

              GLib.Value return_value = new GLib.Value ();
              if (query.return_type != GType.Invalid && query.return_type != GType.None)
            return_value.Init (query.return_type);

              if (signal_detail != String.Empty) {
            IntPtr native_string = GLib.Marshaller.StringToPtrGStrdup (signal_detail);
            signal_detail_quark = g_quark_from_string (native_string);
            GLib.Marshaller.Free (native_string);
              }

              g_signal_emitv (signal_parameters, query.signal_id, signal_detail_quark, ref return_value);

              foreach (GLib.Value v in signal_parameters)
            v.Dispose ();

              object ret = (query.return_type != GType.Invalid && query.return_type != GType.None) ? return_value.Val : null;

              if (ret != null)
            return_value.Dispose ();

              return ret;
        }
コード例 #14
0
ファイル: GroupPicker.cs プロジェクト: Kalnor/monodevelop
		bool RowSeparatorFunc (Gtk.TreeModel model, Gtk.TreeIter iter)
		{
			GLib.Value val = new GLib.Value ();
			model.GetValue (iter, 0, ref val);
			bool sep = ((string)val) == "";
			val.Dispose ();
			return sep;
		}