C# Gtk.TextTag类代码示例

		// Inserts a piece of text into the buffer, giving it the usual
		// appearance of a hyperlink in a web browser: blue and underlined.
		// Additionally, attaches some data on the tag, to make it recognizable
		// as a link.
		void InsertLink (TextBuffer buffer, ref TextIter iter, string text, int page)
		{
			TextTag tag = new TextTag (null);
			tag.Foreground = "blue";
			tag.Underline = Pango.Underline.Single;
			tag_pages [tag] = page;
			buffer.TagTable.Add (tag);
			buffer.InsertWithTags (ref iter, text, tag);
		}

        private StatusLogPage()
        {
            m_TextView = new TextView();
            m_TextView.Editable = false;

            ScrolledWindow swindow = new ScrolledWindow();
            swindow.Add(m_TextView);

            this.PackStart(swindow, true, true, 0);
            swindow.ShowAll();

            var tag = new TextTag("Error");
            tag.Foreground = "darkred";
            m_TextView.Buffer.TagTable.Add(tag);

            tag = new TextTag("Fatal");
            tag.Foreground = "darkred";
            m_TextView.Buffer.TagTable.Add(tag);

            tag = new TextTag("Warn");
            tag.Foreground = "darkorange";
            m_TextView.Buffer.TagTable.Add(tag);

            tag = new TextTag("Info");
            tag.Foreground = "darkgreen";
            m_TextView.Buffer.TagTable.Add(tag);

            tag = new TextTag("Debug");
            tag.Foreground = "darkblue";
            m_TextView.Buffer.TagTable.Add(tag);

            m_TextView.Buffer.CreateMark("end", m_TextView.Buffer.EndIter, false);

            LoggingService.AddLogger(this);
        }

    public MainWindow()
        : base("MainWindow")
    {
        // Setup ui
                var textview = new TextView();
                Add (textview);

                // Setup tag
                var tag = new TextTag ("helloworld-tag");
                tag.Scale = Pango.Scale.XXLarge;
                tag.Style = Pango.Style.Italic;
                tag.Underline = Pango.Underline.Double;
                tag.Foreground = "blue";
                tag.Background = "pink";
                tag.Justification = Justification.Center;
                var buffer = textview.Buffer;
                buffer.TagTable.Add (tag);

                // Insert "Hello world!" into textview buffer
                var insertIter = buffer.StartIter;
                buffer.InsertWithTagsByName (ref insertIter, "Hello World!\n", "helloworld-tag");
                buffer.Insert (ref insertIter, "Simple Hello World!");

                ShowAll ();
    }

		public ProgressDialog (Window parent, bool allowCancel, bool showDetails)
		{
			this.Build ();
			HasSeparator = false;
			ActionArea.Hide ();
			DefaultHeight = 5;
			
			TransientFor = parent;
			
			btnCancel.Visible = allowCancel;

			expander.Visible = showDetails;
			
			buffer = detailsTextView.Buffer;
			detailsTextView.Editable = false;
			
			bold = new TextTag ("bold");
			bold.Weight = Pango.Weight.Bold;
			buffer.TagTable.Add (bold);
			
			tag = new TextTag ("0");
			tag.Indent = 10;
			buffer.TagTable.Add (tag);
			tags.Add (tag);
		}

		public DemoMain ()
		{
			SetupDefaultIcon ();
		   	window = new Gtk.Window ("Gtk# Code Demos");
		   	window.SetDefaultSize (600, 400);
			window.DeleteEvent += new DeleteEventHandler (WindowDelete);

			HBox hbox = new HBox (false, 0);
			window.Add (hbox);

			treeView = CreateTree ();
			hbox.PackStart (treeView, false, false, 0);

			Notebook notebook = new Notebook ();
			hbox.PackStart (notebook, true, true, 0);

			notebook.AppendPage (CreateText (infoBuffer, false), new Label ("_Info"));
			TextTag heading = new TextTag ("heading");
			heading.Font = "Sans 18";
			infoBuffer.TagTable.Add (heading);

			notebook.AppendPage (CreateText (sourceBuffer, true), new Label ("_Source"));

			window.ShowAll ();
		}

		public LogView ()
		{
			buffer = new Gtk.TextBuffer (new Gtk.TextTagTable ());
			textEditorControl = new Gtk.TextView (buffer);
			textEditorControl.Editable = false;
			
			ShadowType = ShadowType.None;
			Add (textEditorControl);

			bold = new TextTag ("bold");
			bold.Weight = Pango.Weight.Bold;
			buffer.TagTable.Add (bold);
			
			errorTag = new TextTag ("error");
			errorTag.Foreground = "red";
			errorTag.Weight = Pango.Weight.Bold;
			buffer.TagTable.Add (errorTag);
			
			consoleLogTag = new TextTag ("consoleLog");
			consoleLogTag.Foreground = "darkgrey";
			buffer.TagTable.Add (consoleLogTag);
			
			tag = new TextTag ("0");
			tag.LeftMargin = 10;
			buffer.TagTable.Add (tag);
			tags.Add (tag);
			
			endMark = buffer.CreateMark ("end-mark", buffer.EndIter, false);

			UpdateCustomFont (IdeApp.Preferences.CustomOutputPadFont);
			IdeApp.Preferences.CustomOutputPadFontChanged += HandleCustomFontChanged;
			
			outputDispatcher = new GLib.TimeoutHandler (outputDispatchHandler);
		}

 /// <summary>
 /// Constructs a new MonospacedTextViewControl wrapper.
 /// </summary>
 /// <param name="widget">
 /// The TextView widget to be wrapped.
 /// </param>
 public MonospacedTextViewControl(Widget widget)
     : base(widget)
 {
     TextTag tag = new TextTag("Monospaced");
     tag.Family = "Monospace";
     buffer.TagTable.Add(tag);
 }

		// Fills the buffer with text and interspersed links. In any real
		// hypertext app, this method would parse a file to identify the links.
		void ShowPage (TextBuffer buffer, int page)
		{
			buffer.Text = "";
			TextIter iter = buffer.StartIter;

			if (page == 1) {
				buffer.Insert (ref iter, "Some text to show that simple ");
				InsertLink (buffer, ref iter, "hypertext", 3);
				buffer.Insert (ref iter, " can easily be realized with ");
				InsertLink (buffer, ref iter, "tags", 2);
				buffer.Insert (ref iter, ".");
			} else if (page == 2) {
				buffer.Insert (ref iter,
					       "A tag is an attribute that can be applied to some range of text. " +
					       "For example, a tag might be called \"bold\" and make the text inside " +
					       "the tag bold. However, the tag concept is more general than that; " +
					       "tags don't have to affect appearance. They can instead affect the " +
					       "behavior of mouse and key presses, \"lock\" a range of text so the " +
					       "user can't edit it, or countless other things.\n");
      				InsertLink (buffer, ref iter, "Go back", 1);
			} else if (page == 3) {
				TextTag tag = buffer.TagTable.Lookup ("bold");
				if (tag == null) {
					tag = new TextTag ("bold");
					tag.Weight = Pango.Weight.Bold;
					buffer.TagTable.Add (tag);
				}
				buffer.InsertWithTags (ref iter, "hypertext:\n", tag);
				buffer.Insert (ref iter,
					       "machine-readable text that is not sequential but is organized " +
					       "so that related items of information are connected.\n");
				InsertLink (buffer, ref iter, "Go back", 1);
			}
		}

		public ProgressDialog (MonoDevelop.Components.Window parent, bool allowCancel, bool showDetails)
		{
			MonoDevelop.Components.IdeTheme.ApplyTheme (this);
			this.Build ();
			this.Title = BrandingService.ApplicationName;
			HasSeparator = false;
			ActionArea.Hide ();
			DefaultHeight = 5;
			
			TransientFor = parent;
			
			btnCancel.Visible = allowCancel;

			expander.Visible = showDetails;
			
			buffer = detailsTextView.Buffer;
			detailsTextView.Editable = false;
			
			bold = new TextTag ("bold");
			bold.Weight = Pango.Weight.Bold;
			buffer.TagTable.Add (bold);
			
			tag = new TextTag ("0");
			tag.Indent = 10;
			buffer.TagTable.Add (tag);
			tags.Add (tag);
		}

        public UtilMainWindow()
            : base(Gtk.WindowType.Toplevel)
        {
            this.Build();

            GLib.ExceptionManager.UnhandledException += UnhandledException;

            this.WindowPosition = WindowPosition.Center;
            this.WidthRequest = 800;
            this.HeightRequest = 500;
            this.DeleteEvent += WindowClosed;

            ParserContext = ExecutionContext.CreateRootContext(new ToolScriptParser());

            TextTag tag = new TextTag("command");
            tag.Weight = Pango.Weight.Bold;
            tag.WeightSet = true;
            outputView.Buffer.TagTable.Add(tag);

            TextTag tagerror = new TextTag("error");
            tagerror.Weight = Pango.Weight.Bold;
            //			tagerror.WeightSet = true;
            tagerror.Font = "Courier Bold";
            tagerror.Foreground = "#880000";
            outputView.Buffer.TagTable.Add(tagerror);

            TextTag tagcode = new TextTag("code");
            tagcode.Weight = Pango.Weight.Bold;
            tagcode.Font = "Courier Bold";
            outputView.Buffer.TagTable.Add(tagcode);

            Instance = this;
        }

 /// <summary>
 /// Adds a tag to a text buffer.
 /// </summary>
 public static void AddTag(this TextBuffer buff, string tagName, string foreground, string family, Pango.Style style)
 {
     TextTag tag = new TextTag(tagName);
     tag.Foreground = foreground;
     tag.Family = family;
     tag.Style = style;
     buff.TagTable.Add(tag);
 }

                private void AddTags ()
                {
			foreach (Monotalk.SourceView.Style s in config.styles) {
				Gtk.TextTag tag = new TextTag (s.path);
				tag.Foreground  = s.color;
				//tag.Weight = Convert.ToInt32 (s.weight);
			        TagTable.Add (tag);
			}
                }

    protected void ConnectTextTagTable (Gtk.TextTagTable table, Monotalk.SourceView.Style [] styles)
    {
	foreach (Monotalk.SourceView.Style s in styles)
	{
            Gtk.TextTag tag = new TextTag(s.path);
            tag.Foreground  = s.color;

            table.Add ( tag );
	}
    }

        public QueryWidget()
        {
            this.Build ();
            textviewEditor.ModifyFont(FontDescription.FromString("Monospace"));

            // Setup keyword format
            _tagKeyword = new TextTag("keyword");
            _tagKeyword.Weight = Weight.Bold;
            _tagKeyword.Foreground = "#0000ff";
            textviewEditor.Buffer.TagTable.Add(_tagKeyword);
        }

		public TextTag[] GetToggledTags (bool toggled_on)
		{
			IntPtr raw_ret = gtk_text_iter_get_toggled_tags (ref this, toggled_on);
			if (raw_ret == IntPtr.Zero)
				return new TextTag [0];
			GLib.SList list = new GLib.SList(raw_ret);
			TextTag[] result = new TextTag [list.Count];
			for (int i = 0; i < list.Count; i++)
				result [i] = list [i] as TextTag;
			return result;
		}