Ejemplo n.º 1
0
        void CalculateTab(ThemedDocumentPageHandler tab, int i, ref float posx)
        {
            var textSize    = string.IsNullOrEmpty(tab.Text) ? Size.Empty : Size.Ceiling(Font.MeasureString(tab.Text));
            var size        = textSize;
            var prevnextsel = mousePos.X > nextPrevWidth || i == -1;
            var textoffset  = 0;

            if (tab.Image != null)
            {
                textoffset  = tab.Image.Size.Width + TabPadding.Left;
                size.Width += textoffset;
            }

            var closesize = tabDrawable.Height / 2;
            var tabRect   = new RectangleF(posx, 0, size.Width + (tab.Closable ? closesize + TabPadding.Horizontal + TabPadding.Right : TabPadding.Horizontal), tabDrawable.Height);

            if (i == selectedIndex && draggingLocation != null)
            {
                tabRect.Offset(mousePos.X - draggingLocation.Value.X, 0);
            }

            tab.Rect = tabRect;

            tab.CloseRect = new RectangleF(tabRect.X + tab.Rect.Width - tabDrawable.Height / 4 - closesize, tabDrawable.Height / 4, closesize, closesize);
            tab.TextRect  = new RectangleF(tabRect.X + TabPadding.Left + textoffset, (tabDrawable.Height - size.Height) / 2, textSize.Width, textSize.Height);

            posx += tab.Rect.Width;
        }
Ejemplo n.º 2
0
        /// <summary>
        /// Initializes a new instance of the <see cref="T:Eto.Forms.ThemedControls.ThemedDocumentControlHandler"/> class.
        /// </summary>
        public ThemedDocumentControlHandler()
        {
            mousePos      = new PointF(-1, -1);
            selectedIndex = -1;
            nextPrevWidth = 0;
            startx        = 0;
            font          = SystemFonts.Default();

            tabDrawable = new Drawable();

            contentPanel = new Panel();

            tabPrev = new ThemedDocumentPageHandler {
                Text = "<", Closable = false
            };
            tabNext = new ThemedDocumentPageHandler {
                Text = ">", Closable = false
            };

            tabDrawable.MouseMove  += Drawable_MouseMove;
            tabDrawable.MouseLeave += Drawable_MouseLeave;
            tabDrawable.MouseDown  += Drawable_MouseDown;
            tabDrawable.Paint      += Drawable_Paint;
            tabDrawable.MouseUp    += Drawable_MouseUp;

            Control              = new TableLayout(tabDrawable, contentPanel);
            Control.SizeChanged += Widget_SizeChanged;
        }
Ejemplo n.º 3
0
        internal void Update(ThemedDocumentPageHandler handler)
        {
            Calculate();
            var index = pages.FindIndex(obj => ReferenceEquals(obj.Handler, handler));

            if (index != -1)
            {
                if (SelectedIndex == index)
                {
                    SetPageContent();
                }
                else
                {
                    tabDrawable.Invalidate();
                }
            }
        }
Ejemplo n.º 4
0
        void DrawTab(Graphics g, ThemedDocumentPageHandler tab, int i)
        {
            var prevnextsel   = mousePos.X > nextPrevWidth || i == -1;
            var closeSelected = IsCloseSelected(tab);
            var tabRect       = tab.Rect;
            var textRect      = tab.TextRect;
            var closerect     = tab.CloseRect;
            var closemargin   = closerect.Height / 3;
            var size          = tabRect.Size;

            var textcolor = Enabled ? SystemColors.ControlText : SystemColors.DisabledText;
            var backcolor = SystemColors.Control;

            if (selectedIndex >= 0 && i == selectedIndex)
            {
                textcolor    = Enabled ? SystemColors.HighlightText : SystemColors.DisabledText;
                backcolor    = SystemColors.Highlight;
                backcolor.A *= 0.8f;
            }

            if (draggingLocation == null && tabRect.Contains(mousePos) && prevnextsel && !closeSelected && Enabled)
            {
                textcolor = SystemColors.HighlightText;
                backcolor = SystemColors.Highlight;
            }

            g.FillRectangle(backcolor, tabRect);
            if (tab.Image != null)
            {
                var imageSize = tab.Image.Size;
                g.DrawImage(tab.Image, tabRect.X + TabPadding.Left + (maxImageSize.Width - imageSize.Width) / 2, (tabDrawable.Height - imageSize.Height) / 2);
            }
            g.DrawText(Font, textcolor, textRect.Location, tab.Text);

            if (tab.Closable)
            {
                g.FillRectangle(closeSelected ? SystemColors.Highlight : SystemColors.Control, closerect);
                var closeForeground = Enabled ? closeSelected ? SystemColors.HighlightText : SystemColors.ControlText : SystemColors.DisabledText;
                g.DrawLine(closeForeground, closerect.X + closemargin, closerect.Y + closemargin, closerect.X + closerect.Width - 1 - closemargin, closerect.Y + closerect.Height - 1 - closemargin);
                g.DrawLine(closeForeground, closerect.X + closemargin, closerect.Y + closerect.Height - 1 - closemargin, closerect.X + closerect.Width - 1 - closemargin, closerect.Y + closemargin);
            }
        }
Ejemplo n.º 5
0
        bool IsCloseSelected(ThemedDocumentPageHandler tab)
        {
            var prevnextsel = mousePos.X > nextPrevWidth;

            return(draggingLocation == null && tab.Closable && tab.CloseRect.Contains(mousePos) && prevnextsel && Enabled);
        }