protected virtual int DrawTab (Graphics dc, System.Windows.Forms.TabPage page, System.Windows.Forms.TabControl tab, Rectangle bounds, bool is_selected) { Rectangle interior; int res = bounds.Width; dc.FillRectangle (ResPool.GetSolidBrush (tab.BackColor), bounds); if (tab.Appearance == TabAppearance.Buttons || tab.Appearance == TabAppearance.FlatButtons) { // Separators if (tab.Appearance == TabAppearance.FlatButtons) { int width = bounds.Width; bounds.Width += (flatButtonSpacing - 2); res = bounds.Width; if (tab.Alignment == TabAlignment.Top || tab.Alignment == TabAlignment.Bottom) ThemeEngine.Current.CPDrawBorder3D (dc, bounds, Border3DStyle.Etched, Border3DSide.Right); else ThemeEngine.Current.CPDrawBorder3D (dc, bounds, Border3DStyle.Etched, Border3DSide.Top); bounds.Width = width; } if (is_selected) { ThemeEngine.Current.CPDrawBorder3D (dc, bounds, Border3DStyle.Sunken, Border3DSide.Left | Border3DSide.Right | Border3DSide.Top | Border3DSide.Bottom); } else if (tab.Appearance != TabAppearance.FlatButtons) { ThemeEngine.Current.CPDrawBorder3D (dc, bounds, Border3DStyle.Raised, Border3DSide.Left | Border3DSide.Right | Border3DSide.Top | Border3DSide.Bottom); } } else { CPColor cpcolor = ResPool.GetCPColor (tab.BackColor); Pen light = ResPool.GetPen (cpcolor.LightLight); switch (tab.Alignment) { case TabAlignment.Top: dc.DrawLine (light, bounds.Left, bounds.Bottom - 1, bounds.Left, bounds.Top + 3); dc.DrawLine (light, bounds.Left, bounds.Top + 3, bounds.Left + 2, bounds.Top); dc.DrawLine (light, bounds.Left + 2, bounds.Top, bounds.Right - 3, bounds.Top); dc.DrawLine (SystemPens.ControlDark, bounds.Right - 2, bounds.Top + 1, bounds.Right - 2, bounds.Bottom - 1); dc.DrawLine (SystemPens.ControlDarkDark, bounds.Right - 2, bounds.Top + 1, bounds.Right - 1, bounds.Top + 2); dc.DrawLine (SystemPens.ControlDarkDark, bounds.Right - 1, bounds.Top + 2, bounds.Right - 1, bounds.Bottom - 1); break; case TabAlignment.Bottom: dc.DrawLine (light, bounds.Left, bounds.Top, bounds.Left, bounds.Bottom - 2); dc.DrawLine (light, bounds.Left, bounds.Bottom - 2, bounds.Left + 3, bounds.Bottom); dc.DrawLine (SystemPens.ControlDarkDark, bounds.Left + 3, bounds.Bottom, bounds.Right - 3, bounds.Bottom); dc.DrawLine (SystemPens.ControlDark, bounds.Left + 3, bounds.Bottom - 1, bounds.Right - 3, bounds.Bottom - 1); dc.DrawLine (SystemPens.ControlDark, bounds.Right - 2, bounds.Bottom - 1, bounds.Right - 2, bounds.Top + 1); dc.DrawLine (SystemPens.ControlDarkDark, bounds.Right - 2, bounds.Bottom - 1, bounds.Right - 1, bounds.Bottom - 2); dc.DrawLine (SystemPens.ControlDarkDark, bounds.Right - 1, bounds.Bottom - 2, bounds.Right - 1, bounds.Top + 1); break; case TabAlignment.Left: dc.DrawLine (light, bounds.Left - 2, bounds.Top, bounds.Right, bounds.Top); dc.DrawLine (light, bounds.Left, bounds.Top + 2, bounds.Left - 2, bounds.Top); dc.DrawLine (light, bounds.Left, bounds.Top + 2, bounds.Left, bounds.Bottom - 2); dc.DrawLine (SystemPens.ControlDark, bounds.Left, bounds.Bottom - 2, bounds.Left + 2, bounds.Bottom - 1); dc.DrawLine (SystemPens.ControlDark, bounds.Left + 2, bounds.Bottom - 1, bounds.Right, bounds.Bottom - 1); dc.DrawLine (SystemPens.ControlDarkDark, bounds.Left + 2, bounds.Bottom, bounds.Right, bounds.Bottom); break; default: // TabAlignment.Right dc.DrawLine (light, bounds.Left, bounds.Top, bounds.Right - 3, bounds.Top); dc.DrawLine (light, bounds.Right - 3, bounds.Top, bounds.Right, bounds.Top + 3); dc.DrawLine (SystemPens.ControlDark, bounds.Right - 1, bounds.Top + 1, bounds.Right - 1, bounds.Bottom - 1); dc.DrawLine (SystemPens.ControlDark, bounds.Left, bounds.Bottom - 1, bounds.Right - 2, bounds.Bottom - 1); dc.DrawLine (SystemPens.ControlDarkDark, bounds.Right, bounds.Top + 3, bounds.Right, bounds.Bottom - 3); dc.DrawLine (SystemPens.ControlDarkDark, bounds.Left, bounds.Bottom, bounds.Right - 3, bounds.Bottom); break; } } Point padding = tab.Padding; interior = new Rectangle (bounds.Left + padding.X - 1, // substract a little offset bounds.Top + padding.Y, bounds.Width - (padding.X * 2), bounds.Height - (padding.Y * 2)); if (tab.DrawMode == TabDrawMode.Normal && page.Text != null) { if (tab.Alignment == TabAlignment.Left) { dc.TranslateTransform (bounds.Left, bounds.Bottom); dc.RotateTransform (-90); dc.DrawString (page.Text, tab.Font, SystemBrushes.ControlText, tab.Padding.X - 2, // drawstring adds some extra unwanted leading spaces, so trimming tab.Padding.Y, defaultFormatting); dc.ResetTransform (); } else if (tab.Alignment == TabAlignment.Right) { dc.TranslateTransform (bounds.Right, bounds.Top); dc.RotateTransform (90); dc.DrawString (page.Text, tab.Font, SystemBrushes.ControlText, tab.Padding.X - 2, // drawstring adds some extra unwanted leading spaces, so trimming tab.Padding.Y, defaultFormatting); dc.ResetTransform (); } else { Rectangle str_rect = interior; if (is_selected) { // Reduce the interior size to match the inner size of non-selected tabs str_rect.X += selectedTabDelta.X; str_rect.Y += selectedTabDelta.Y; str_rect.Width -= selectedTabDelta.Width; str_rect.Height -= selectedTabDelta.Height; str_rect.Y -= selectedTabDelta.Y; // Move up the text / image of the selected tab } if (tab.ImageList != null && page.ImageIndex >= 0 && page.ImageIndex < tab.ImageList.Images.Count) { int image_x; if (tab.SizeMode != TabSizeMode.Fixed) { image_x = str_rect.X; } else { image_x = str_rect.X + (str_rect.Width - tab.ImageList.ImageSize.Width) / 2; if (page.Text != null) { SizeF textSize = dc.MeasureString(page.Text, page.Font, str_rect.Size); image_x -= (int)(textSize.Width / 2); } } int image_y = str_rect.Y + (str_rect.Height - tab.ImageList.ImageSize.Height) / 2; tab.ImageList.Draw (dc, new Point (image_x, image_y), page.ImageIndex); str_rect.X += tab.ImageList.ImageSize.Width + 2; str_rect.Width -= tab.ImageList.ImageSize.Width + 2; } dc.DrawString (page.Text, tab.Font, SystemBrushes.ControlText, str_rect, defaultFormatting); } } else if (page.Text != null) { DrawItemState state = DrawItemState.None; if (page == tab.SelectedTab) state |= DrawItemState.Selected; DrawItemEventArgs e = new DrawItemEventArgs (dc, tab.Font, bounds, tab.IndexForTabPage (page), state, page.ForeColor, page.BackColor); tab.OnDrawItemInternal (e); return res; } // TabControl ignores the value of ShowFocusCues if (page.Parent.Focused && is_selected) { Rectangle focus_rect = bounds; focus_rect.Inflate (-2, -2); ThemeEngine.Current.CPDrawFocusRectangle (dc, focus_rect, tab.BackColor, tab.ForeColor); } return res; }
protected virtual int DrawTab (Graphics dc, System.Windows.Forms.TabPage page, System.Windows.Forms.TabControl tab, Rectangle bounds, bool is_selected) { Rectangle interior; int res = bounds.Width; dc.FillRectangle (ResPool.GetSolidBrush (tab.BackColor), bounds); if (tab.Appearance == TabAppearance.Buttons || tab.Appearance == TabAppearance.FlatButtons) { // Separators if (tab.Appearance == TabAppearance.FlatButtons) { int width = bounds.Width; bounds.Width += (flatButtonSpacing - 2); res = bounds.Width; if (tab.Alignment == TabAlignment.Top || tab.Alignment == TabAlignment.Bottom) ThemeEngine.Current.CPDrawBorder3D (dc, bounds, Border3DStyle.Etched, Border3DSide.Right); else ThemeEngine.Current.CPDrawBorder3D (dc, bounds, Border3DStyle.Etched, Border3DSide.Top); bounds.Width = width; } if (is_selected) { ThemeEngine.Current.CPDrawBorder3D (dc, bounds, Border3DStyle.Sunken, Border3DSide.Left | Border3DSide.Right | Border3DSide.Top | Border3DSide.Bottom); } else if (tab.Appearance != TabAppearance.FlatButtons) { ThemeEngine.Current.CPDrawBorder3D (dc, bounds, Border3DStyle.Raised, Border3DSide.Left | Border3DSide.Right | Border3DSide.Top | Border3DSide.Bottom); } } else { CPColor cpcolor = ResPool.GetCPColor (tab.BackColor); Pen light = ResPool.GetPen (cpcolor.LightLight); switch (tab.Alignment) { case TabAlignment.Top: dc.DrawLine (light, bounds.Left, bounds.Bottom - 1, bounds.Left, bounds.Top + 3); dc.DrawLine (light, bounds.Left, bounds.Top + 3, bounds.Left + 2, bounds.Top); dc.DrawLine (light, bounds.Left + 2, bounds.Top, bounds.Right - 3, bounds.Top); dc.DrawLine (SystemPens.ControlDark, bounds.Right - 2, bounds.Top + 1, bounds.Right - 2, bounds.Bottom - 1); dc.DrawLine (SystemPens.ControlDarkDark, bounds.Right - 2, bounds.Top + 1, bounds.Right - 1, bounds.Top + 2); dc.DrawLine (SystemPens.ControlDarkDark, bounds.Right - 1, bounds.Top + 2, bounds.Right - 1, bounds.Bottom - 1); break; case TabAlignment.Bottom: dc.DrawLine (light, bounds.Left, bounds.Top, bounds.Left, bounds.Bottom - 2); dc.DrawLine (light, bounds.Left, bounds.Bottom - 2, bounds.Left + 3, bounds.Bottom); dc.DrawLine (SystemPens.ControlDarkDark, bounds.Left + 3, bounds.Bottom, bounds.Right - 3, bounds.Bottom); dc.DrawLine (SystemPens.ControlDark, bounds.Left + 3, bounds.Bottom - 1, bounds.Right - 3, bounds.Bottom - 1); dc.DrawLine (SystemPens.ControlDark, bounds.Right - 2, bounds.Bottom - 1, bounds.Right - 2, bounds.Top + 1); dc.DrawLine (SystemPens.ControlDarkDark, bounds.Right - 2, bounds.Bottom - 1, bounds.Right - 1, bounds.Bottom - 2); dc.DrawLine (SystemPens.ControlDarkDark, bounds.Right - 1, bounds.Bottom - 2, bounds.Right - 1, bounds.Top + 1); break; case TabAlignment.Left: dc.DrawLine (light, bounds.Left - 2, bounds.Top, bounds.Right, bounds.Top); dc.DrawLine (light, bounds.Left, bounds.Top + 2, bounds.Left - 2, bounds.Top); dc.DrawLine (light, bounds.Left, bounds.Top + 2, bounds.Left, bounds.Bottom - 2); dc.DrawLine (SystemPens.ControlDark, bounds.Left, bounds.Bottom - 2, bounds.Left + 2, bounds.Bottom - 1); dc.DrawLine (SystemPens.ControlDark, bounds.Left + 2, bounds.Bottom - 1, bounds.Right, bounds.Bottom - 1); dc.DrawLine (SystemPens.ControlDarkDark, bounds.Left + 2, bounds.Bottom, bounds.Right, bounds.Bottom); break; default: // TabAlignment.Right dc.DrawLine (light, bounds.Left, bounds.Top, bounds.Right - 3, bounds.Top); dc.DrawLine (light, bounds.Right - 3, bounds.Top, bounds.Right, bounds.Top + 3); dc.DrawLine (SystemPens.ControlDark, bounds.Right - 1, bounds.Top + 1, bounds.Right - 1, bounds.Bottom - 1); dc.DrawLine (SystemPens.ControlDark, bounds.Left, bounds.Bottom - 1, bounds.Right - 2, bounds.Bottom - 1); dc.DrawLine (SystemPens.ControlDarkDark, bounds.Right, bounds.Top + 3, bounds.Right, bounds.Bottom - 3); dc.DrawLine (SystemPens.ControlDarkDark, bounds.Left, bounds.Bottom, bounds.Right - 3, bounds.Bottom); break; } } interior = new Rectangle (bounds.Left + focusRectSpacing.X + borderThickness.Left, bounds.Top + focusRectSpacing.Y + + borderThickness.Top, bounds.Width - (focusRectSpacing.X * 2) - borderThickness.Width + 1, bounds.Height - (focusRectSpacing.Y * 2) - borderThickness.Height); if (tab.DrawMode == TabDrawMode.Normal && page.Text != null) { if (tab.Alignment == TabAlignment.Left) { dc.TranslateTransform (bounds.Left, bounds.Bottom); dc.RotateTransform (-90); dc.DrawString (page.Text, page.Font, SystemBrushes.ControlText, tab.Padding.X - 2, // drawstring adds some extra unwanted leading spaces, so trimming tab.Padding.Y, defaultFormatting); dc.ResetTransform (); } else if (tab.Alignment == TabAlignment.Right) { dc.TranslateTransform (bounds.Right, bounds.Top); dc.RotateTransform (90); dc.DrawString (page.Text, page.Font, SystemBrushes.ControlText, tab.Padding.X - 2, // drawstring adds some extra unwanted leading spaces, so trimming tab.Padding.Y, defaultFormatting); dc.ResetTransform (); } else { Rectangle str_rect = interior; if (tab.ImageList != null && page.ImageIndex >= 0 && page.ImageIndex < tab.ImageList.Images.Count) { int image_y = interior.Y + (interior.Height - tab.ImageList.ImageSize.Height) / 2; tab.ImageList.Draw (dc, new Point (interior.X, image_y), page.ImageIndex); str_rect.X += tab.ImageList.ImageSize.Width + 2; str_rect.Width -= tab.ImageList.ImageSize.Width + 2; } dc.DrawString (page.Text, page.Font, SystemBrushes.ControlText, str_rect, defaultFormatting); } } else if (page.Text != null) { DrawItemState state = DrawItemState.None; if (page == tab.SelectedTab) state |= DrawItemState.Selected; DrawItemEventArgs e = new DrawItemEventArgs (dc, tab.Font, bounds, tab.IndexForTabPage (page), state, page.ForeColor, page.BackColor); tab.OnDrawItemInternal (e); return res; } if (page.Parent.Focused && is_selected && tab.ShowFocusCues) { interior.Width -= 1; ThemeEngine.Current.CPDrawFocusRectangle (dc, interior, tab.ForeColor, tab.BackColor); } return res; }