C# Label.SizeRequest方法代码示例

		public override Control GetVisualizerWidget (ObjectValue val)
		{
			string value = val.Value;
			Gdk.Color col = new Gdk.Color (85, 85, 85);

			if (!val.IsNull && (val.TypeName == "string" || val.TypeName == "char[]"))
				value = '"' + GetString (val) + '"';
			if (DebuggingService.HasInlineVisualizer (val))
				value = DebuggingService.GetInlineVisualizer (val).InlineVisualize (val);

			var label = new Gtk.Label ();
			label.Text = value;
			var font = label.Style.FontDescription.Copy ();

			if (font.SizeIsAbsolute) {
				font.AbsoluteSize = font.Size - 1;
			} else {
				font.Size -= (int)(Pango.Scale.PangoScale);
			}

			label.ModifyFont (font);
			label.ModifyFg (StateType.Normal, col);
			label.SetPadding (4, 4);

			if (label.SizeRequest ().Width > 500) {
				label.WidthRequest = 500;
				label.Wrap = true;
				label.LineWrapMode = Pango.WrapMode.WordChar;
			} else {
				label.Justify = Gtk.Justification.Center;
			}

			if (label.Layout.GetLine (1) != null) {
				label.Justify = Gtk.Justification.Left;
				var line15 = label.Layout.GetLine (15);
				if (line15 != null) {
					label.Text = value.Substring (0, line15.StartIndex).TrimEnd ('\r', '\n') + "\n…";
				}
			}

			label.Show ();

			return label;
		}

		public override Control GetVisualizerWidget (ObjectValue val)
		{
			var ops = DebuggingService.DebuggerSession.EvaluationOptions.Clone ();
			ops.AllowTargetInvoke = true;
			ops.ChunkRawStrings = true;
			ops.EllipsizedLength = 5000;//Preview window can hold aprox. 4700 chars
			val.Refresh (ops);//Refresh DebuggerDisplay/String value with full length instead of ellipsized
			string value = val.Value;
			Gdk.Color col = Styles.PreviewVisualizerTextColor.ToGdkColor ();

			if (DebuggingService.HasInlineVisualizer (val))
				value = DebuggingService.GetInlineVisualizer (val).InlineVisualize (val);

			var label = new Gtk.Label ();
			label.Text = value;
			label.ModifyFont (FontService.SansFont.CopyModified (Ide.Gui.Styles.FontScale11));
			label.ModifyFg (StateType.Normal, col);
			label.SetPadding (4, 4);

			if (label.SizeRequest ().Width > 500) {
				label.WidthRequest = 500;
				label.Wrap = true;
				label.LineWrapMode = Pango.WrapMode.WordChar;
			} else {
				label.Justify = Gtk.Justification.Center;
			}

			if (label.Layout.GetLine (1) != null) {
				label.Justify = Gtk.Justification.Left;
				var trimmedLine = label.Layout.GetLine (50);
				if (trimmedLine != null) {
					label.Text = value.Substring (0, trimmedLine.StartIndex).TrimEnd ('\r', '\n') + "\n…";
				}
			}

			label.Show ();

			return label;
		}

        public LevelRangeWidget(string label, int low, int high)
        {
            IConfigSource config = new DotNetConfigSource(DotNetConfigSource.GetFullConfigPath());

            int entrySize = config.Configs["defaults"].GetInt("entrySize");
            int entryWidth = config.Configs["defaults"].GetInt("entryWidth");

            Low = new Entry(entrySize);
            Low.SetSizeRequest(entryWidth, Low.SizeRequest().Height);
            Low.WidthChars = entrySize;
            Low.IsEditable = false;
            Low.CanFocus = false;

            Label = new Label(label);
            Label.Justify = Justification.Center;
            Label.SetSizeRequest(150, Label.SizeRequest().Height);

            High = new Entry(entrySize);
            High.SetSizeRequest(entryWidth, High.SizeRequest().Height);
            High.WidthChars = entrySize;
            High.IsEditable = false;
            High.CanFocus = false;
        }

		public override Control GetVisualizerWidget (ObjectValue val)
		{
			string value = val.Value;
			Gdk.Color col = Styles.PreviewVisualizerTextColor.ToGdkColor ();

			if (!val.IsNull && (val.TypeName == "string" || val.TypeName == "char[]"))
				value = '"' + GetString (val) + '"';
			if (DebuggingService.HasInlineVisualizer (val))
				value = DebuggingService.GetInlineVisualizer (val).InlineVisualize (val);

			var label = new Gtk.Label ();
			label.Text = value;
			label.ModifyFont (FontService.SansFont.CopyModified (Ide.Gui.Styles.FontScale11));
			label.ModifyFg (StateType.Normal, col);
			label.SetPadding (4, 4);

			if (label.SizeRequest ().Width > 500) {
				label.WidthRequest = 500;
				label.Wrap = true;
				label.LineWrapMode = Pango.WrapMode.WordChar;
			} else {
				label.Justify = Gtk.Justification.Center;
			}

			if (label.Layout.GetLine (1) != null) {
				label.Justify = Gtk.Justification.Left;
				var line15 = label.Layout.GetLine (15);
				if (line15 != null) {
					label.Text = value.Substring (0, line15.StartIndex).TrimEnd ('\r', '\n') + "\n…";
				}
			}

			label.Show ();

			return label;
		}

        public GridRow(PropertyGrid parentGrid, PropertyDescriptor descriptor)
        {
            this.parent = parentGrid;
            this.propertyDescriptor = descriptor;

            // TODO: Need a better way to check if the property has no get accessor.
            // Write-only? Don't add this to the list.
            try {object propertyValue = descriptor.GetValue (parent.CurrentObject);}
            catch (Exception) {
                isValidProperty = false;
                return;
            }

            #region Name label

            string name = descriptor.DisplayName;
            ParenthesizePropertyNameAttribute paren = descriptor.Attributes[typeof (ParenthesizePropertyNameAttribute)] as ParenthesizePropertyNameAttribute;
            if (paren != null && paren.NeedParenthesis)
                name = "(" + name + ")";

            propertyNameLabel = new Label (name);
            propertyNameLabel.Xalign = 0;
            propertyNameLabel.Xpad = 3;
            propertyNameLabel.HeightRequest = 20;

            propertyNameEventBox = new EventBox ();
            propertyNameEventBox.ModifyBg (StateType.Normal, parent.Style.White);
            propertyNameEventBox.Add (propertyNameLabel);
            propertyNameEventBox.ButtonReleaseEvent += on_label_ButtonRelease;

            if (propertyNameLabel.SizeRequest ().Width > 100) {
                propertyNameLabel.WidthRequest = 100;
                //TODO: Display tooltip of full name when truncated
                //parent.tooltips.SetTip (propertyNameLabel, descriptor.DisplayName, descriptor.DisplayName);
            }

            #endregion

            editor = parent.EditorManager.GetEditor(propertyDescriptor, this);

            propertyValueHBox = new HBox();

            //check if it needs a button. Note arrays are read-only but have buttons
            if (editor.DialogueEdit && (!propertyDescriptor.IsReadOnly || editor.EditsReadOnlyObject)) {
                Label buttonLabel = new Label ();
                buttonLabel.UseMarkup = true;
                buttonLabel.Xpad = 0; buttonLabel.Ypad = 0;
                buttonLabel.Markup = "<span size=\"small\">...</span>";
                Button dialogueButton = new Button (buttonLabel);
                dialogueButton.Clicked += new EventHandler (dialogueButton_Clicked);
                propertyValueHBox.PackEnd (dialogueButton, false, false, 0);
            }

            propertyValueEventBox = new EventBox ();
            propertyValueEventBox.ModifyBg (StateType.Normal, parent.Style.White);
            propertyValueEventBox.CanFocus = true;
            propertyValueEventBox.ButtonReleaseEvent += on_value_ButtonRelease;
            propertyValueEventBox.Focused += on_value_ButtonRelease;
            propertyValueHBox.PackStart (propertyValueEventBox, true, true, 0);

            valueBeforeEdit = propertyDescriptor.GetValue (parentGrid.CurrentObject);
            DisplayRenderWidget ();
        }

 private Widget CreateWidgets()
 {
     table = new Table(1, 2, false);
        table.ColumnSpacing = 12;
        table.BorderWidth = 4;
        image = new Image(normalPixbuf);
        table.Attach(image,
        0, 1,
        0, 1,
        AttachOptions.Shrink,
        0, 0, 0);
        VBox vbox = new VBox(false, 0);
        table.Attach(vbox,
        1, 2,
        0, 1,
        AttachOptions.Expand | AttachOptions.Fill,
        0, 0, 0);
        widthForLabels = (int)maxWidth - (int)normalPixbuf.Width
     - (int)table.ColumnSpacing - (int)(table.BorderWidth * 2);
        nameLabel = new Label("<span size=\"large\"></span>");
        vbox.PackStart(nameLabel, false, false, 0);
        nameLabel.UseMarkup = true;
        nameLabel.UseUnderline = false;
        nameLabel.Xalign = 0;
        Requisition req = nameLabel.SizeRequest();
        nameLabel.SetSizeRequest(widthForLabels, -1);
        Util.GtkLabelSetMaxWidthChars(nameLabel, widthForLabels);
        Util.GtkLabelSetEllipsize(nameLabel, true);
        locationLabel = new Label("<span size=\"small\"></span>");
        vbox.PackStart(locationLabel, false, false, 0);
        locationLabel.UseMarkup = true;
        locationLabel.UseUnderline = false;
        locationLabel.ModifyFg(StateType.Normal, this.Style.Base(StateType.Active));
        locationLabel.Xalign = 0;
        req = locationLabel.SizeRequest();
        locationLabel.SetSizeRequest(widthForLabels, req.Height);
        Util.GtkLabelSetMaxWidthChars(locationLabel, widthForLabels);
        Util.GtkLabelSetEllipsize(locationLabel, true);
        statusLabel = new Label("<span size=\"small\"></span>");
        vbox.PackStart(statusLabel, false, false, 0);
        statusLabel.UseMarkup = true;
        statusLabel.UseUnderline = false;
        statusLabel.ModifyFg(StateType.Normal, this.Style.Base(StateType.Active));
        statusLabel.Xalign = 0;
        req = statusLabel.SizeRequest();
        statusLabel.SetSizeRequest(widthForLabels, req.Height);
        Util.GtkLabelSetMaxWidthChars(statusLabel, widthForLabels);
        Util.GtkLabelSetEllipsize(statusLabel, true);
        return table;
 }