Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Themes / Royale / Microsoft / Windows / Themes / DataGridHeaderBorder.cs / 1305600 / DataGridHeaderBorder.cs
//---------------------------------------------------------------------------- // // Copyright (C) Microsoft Corporation. All rights reserved. // //--------------------------------------------------------------------------- using System; using System.Collections.Generic; using System.ComponentModel; using System.Diagnostics; using System.Windows; using System.Windows.Controls; using System.Windows.Media; namespace Microsoft.Windows.Themes { ////// A Border used to provide the default look of headers. /// When Background or BorderBrush are set, the rendering will /// revert back to the default Border implementation. /// public partial class DataGridHeaderBorder { #region Theme Rendering private Thickness? ThemeDefaultPadding { get { return null; } } private void RenderTheme(DrawingContext dc) { Size size = RenderSize; bool horizontal = Orientation == Orientation.Horizontal; bool isClickable = IsClickable && IsEnabled; bool isHovered = isClickable && IsHovered; bool isPressed = isClickable && IsPressed; ListSortDirection? sortDirection = SortDirection; bool isSorted = sortDirection != null; bool isSelected = IsSelected; EnsureCache((int)RoyaleFreezables.NumFreezables); if (horizontal) { // When horizontal, rotate the rendering by -90 degrees Matrix m1 = new Matrix(); m1.RotateAt(-90.0, 0.0, 0.0); Matrix m2 = new Matrix(); m2.Translate(0.0, size.Height); MatrixTransform horizontalRotate = new MatrixTransform(m1 * m2); horizontalRotate.Freeze(); dc.PushTransform(horizontalRotate); double temp = size.Width; size.Width = size.Height; size.Height = temp; } // Draw the background RoyaleFreezables backgroundType = isPressed ? RoyaleFreezables.PressedBackground : isHovered ? RoyaleFreezables.HoveredBackground : RoyaleFreezables.NormalBackground; LinearGradientBrush background = (LinearGradientBrush)GetCachedFreezable((int)backgroundType); if (background == null) { background = new LinearGradientBrush(); background.StartPoint = new Point(); background.EndPoint = new Point(0.0, 1.0); if (isPressed) { background.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF, 0xB9, 0xB9, 0xC8), 0.0)); background.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF, 0xEC, 0xEC, 0xF3), 0.1)); background.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF, 0xEC, 0xEC, 0xF3), 1.0)); } else if (isHovered || isSelected) { background.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF, 0xFE, 0xFE, 0xFE), 0.0)); background.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF, 0xFE, 0xFE, 0xFE), 0.85)); background.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF, 0xBD, 0xBE, 0xCE), 1.0)); } else { background.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF, 0xF9, 0xFA, 0xFD), 0.0)); background.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF, 0xF9, 0xFA, 0xFD), 0.85)); background.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF, 0xBD, 0xBE, 0xCE), 1.0)); } background.Freeze(); CacheFreezable(background, (int)backgroundType); } dc.DrawRectangle(background, null, new Rect(0.0, 0.0, size.Width, size.Height)); if (isHovered && !isPressed && (size.Width >= 6.0) && (size.Height >= 4.0)) { // When hovered, there is a colored tab at the bottom TranslateTransform positionTransform = new TranslateTransform(0.0, size.Height - 3.0); positionTransform.Freeze(); dc.PushTransform(positionTransform); PathGeometry tabGeometry = new PathGeometry(); PathFigure tabFigure = new PathFigure(); tabFigure.StartPoint = new Point(0.5, 0.5); LineSegment line = new LineSegment(new Point(size.Width - 0.5, 0.5), true); line.Freeze(); tabFigure.Segments.Add(line); ArcSegment arc = new ArcSegment(new Point(size.Width - 2.5, 2.5), new Size(2.0, 2.0), 90.0, false, SweepDirection.Clockwise, true); arc.Freeze(); tabFigure.Segments.Add(arc); line = new LineSegment(new Point(2.5, 2.5), true); line.Freeze(); tabFigure.Segments.Add(line); arc = new ArcSegment(new Point(0.5, 0.5), new Size(2.0, 2.0), 90.0, false, SweepDirection.Clockwise, true); arc.Freeze(); tabFigure.Segments.Add(arc); tabFigure.IsClosed = true; tabFigure.Freeze(); tabGeometry.Figures.Add(tabFigure); tabGeometry.Freeze(); Pen tabStroke = (Pen)GetCachedFreezable((int)RoyaleFreezables.TabStroke); if (tabStroke == null) { SolidColorBrush tabStrokeBrush = new SolidColorBrush(Color.FromArgb(0xFF, 0xF8, 0xA9, 0x00)); tabStrokeBrush.Freeze(); tabStroke = new Pen(tabStrokeBrush, 1.0); tabStroke.Freeze(); CacheFreezable(tabStroke, (int)RoyaleFreezables.TabStroke); } LinearGradientBrush tabFill = (LinearGradientBrush)GetCachedFreezable((int)RoyaleFreezables.TabFill); if (tabFill == null) { tabFill = new LinearGradientBrush(); tabFill.StartPoint = new Point(); tabFill.EndPoint = new Point(1.0, 0.0); tabFill.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF, 0xFC, 0xE0, 0xA6), 0.0)); tabFill.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF, 0xF6, 0xC4, 0x56), 0.1)); tabFill.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF, 0xF6, 0xC4, 0x56), 0.9)); tabFill.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF, 0xDF, 0x97, 0x00), 1.0)); tabFill.Freeze(); CacheFreezable(tabFill, (int)RoyaleFreezables.TabFill); } dc.DrawGeometry(tabFill, tabStroke, tabGeometry); dc.Pop(); // Translate Transform } if (isPressed && (size.Width >= 2.0) && (size.Height >= 2.0)) { // When pressed, there is a border on the left and bottom SolidColorBrush border = (SolidColorBrush)GetCachedFreezable((int)RoyaleFreezables.PressedBorder); if (border == null) { border = new SolidColorBrush(Color.FromArgb(0xFF, 0x80, 0x80, 0x99)); border.Freeze(); CacheFreezable(border, (int)RoyaleFreezables.PressedBorder); } dc.DrawRectangle(border, null, new Rect(0.0, 0.0, 1.0, size.Height)); dc.DrawRectangle(border, null, new Rect(0.0, Max0(size.Height - 1.0), size.Width, 1.0)); } if (!isPressed && !isHovered && (size.Width >= 4.0)) { if (SeparatorVisibility == Visibility.Visible) { Brush sideBrush; if (SeparatorBrush != null) { sideBrush = SeparatorBrush; } else { // When not pressed or hovered, draw the resize gripper LinearGradientBrush gripper = (LinearGradientBrush)GetCachedFreezable((int)(horizontal ? RoyaleFreezables.HorizontalGripper : RoyaleFreezables.VerticalGripper)); if (gripper == null) { gripper = new LinearGradientBrush(); gripper.StartPoint = new Point(); gripper.EndPoint = new Point(1.0, 0.0); Color highlight = Color.FromArgb(0xFF, 0xFF, 0xFF, 0xFF); Color shadow = Color.FromArgb(0xFF, 0xC7, 0xC5, 0xB2); if (horizontal) { gripper.GradientStops.Add(new GradientStop(highlight, 0.0)); gripper.GradientStops.Add(new GradientStop(highlight, 0.25)); gripper.GradientStops.Add(new GradientStop(shadow, 0.75)); gripper.GradientStops.Add(new GradientStop(shadow, 1.0)); } else { gripper.GradientStops.Add(new GradientStop(shadow, 0.0)); gripper.GradientStops.Add(new GradientStop(shadow, 0.25)); gripper.GradientStops.Add(new GradientStop(highlight, 0.75)); gripper.GradientStops.Add(new GradientStop(highlight, 1.0)); } gripper.Freeze(); CacheFreezable(gripper, (int)(horizontal ? RoyaleFreezables.HorizontalGripper : RoyaleFreezables.VerticalGripper)); } sideBrush = gripper; } dc.DrawRectangle(sideBrush, null, new Rect(horizontal ? 0.0 : Max0(size.Width - 2.0), 4.0, 2.0, Max0(size.Height - 8.0))); } } if (isSorted && (size.Width > 14.0) && (size.Height > 10.0)) { // When sorted, draw an arrow on the right TranslateTransform positionTransform = new TranslateTransform(size.Width - 15.0, (size.Height - 5.0) * 0.5); positionTransform.Freeze(); dc.PushTransform(positionTransform); bool ascending = (sortDirection == ListSortDirection.Ascending); PathGeometry arrowGeometry = (PathGeometry)GetCachedFreezable(ascending ? (int)RoyaleFreezables.ArrowUpGeometry : (int)RoyaleFreezables.ArrowDownGeometry); if (arrowGeometry == null) { arrowGeometry = new PathGeometry(); PathFigure arrowFigure = new PathFigure(); if (ascending) { arrowFigure.StartPoint = new Point(0.0, 5.0); LineSegment line = new LineSegment(new Point(5.0, 0.0), false); line.Freeze(); arrowFigure.Segments.Add(line); line = new LineSegment(new Point(10.0, 5.0), false); line.Freeze(); arrowFigure.Segments.Add(line); } else { arrowFigure.StartPoint = new Point(0.0, 0.0); LineSegment line = new LineSegment(new Point(10.0, 0.0), false); line.Freeze(); arrowFigure.Segments.Add(line); line = new LineSegment(new Point(5.0, 5.0), false); line.Freeze(); arrowFigure.Segments.Add(line); } arrowFigure.IsClosed = true; arrowFigure.Freeze(); arrowGeometry.Figures.Add(arrowFigure); arrowGeometry.Freeze(); CacheFreezable(arrowGeometry, ascending ? (int)RoyaleFreezables.ArrowUpGeometry : (int)RoyaleFreezables.ArrowDownGeometry); } SolidColorBrush arrowFill = (SolidColorBrush)GetCachedFreezable((int)RoyaleFreezables.ArrowFill); if (arrowFill == null) { arrowFill = new SolidColorBrush(Color.FromArgb(0xFF, 0xAC, 0xA8, 0x99)); arrowFill.Freeze(); CacheFreezable(arrowFill, (int)RoyaleFreezables.ArrowFill); } dc.DrawGeometry(arrowFill, null, arrowGeometry); dc.Pop(); // Position Transform } if (horizontal) { dc.Pop(); // Horizontal Rotate } } private enum RoyaleFreezables { NormalBackground, HoveredBackground, PressedBackground, HorizontalGripper, VerticalGripper, PressedBorder, TabGeometry, TabStroke, TabFill, ArrowFill, ArrowUpGeometry, ArrowDownGeometry, NumFreezables } #endregion } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
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