/// <summary>Draws the contents of a <see cref="T:System.Windows.Media.DrawingContext" /> object during the render pass of a <see cref="T:System.Windows.Controls.Border" />. </summary>
/// <param name="dc">The <see cref="T:System.Windows.Media.DrawingContext" /> that defines the object to be drawn.</param>
// Token: 0x06004266 RID: 16998 RVA: 0x0012FBE0 File Offset: 0x0012DDE0
protected override void OnRender(DrawingContext dc)
{
bool useLayoutRounding = base.UseLayoutRounding;
DpiScale dpi = base.GetDpi();
if (this._useComplexRenderCodePath)
{
StreamGeometry borderGeometryCache = this.BorderGeometryCache;
Brush brush;
if (borderGeometryCache != null && (brush = this.BorderBrush) != null)
{
dc.DrawGeometry(brush, null, borderGeometryCache);
}
StreamGeometry backgroundGeometryCache = this.BackgroundGeometryCache;
if (backgroundGeometryCache != null && (brush = this.Background) != null)
{
dc.DrawGeometry(brush, null, backgroundGeometryCache);
return;
}
}
else
{
Thickness borderThickness = this.BorderThickness;
CornerRadius cornerRadius = this.CornerRadius;
double topLeft = cornerRadius.TopLeft;
bool flag = !DoubleUtil.IsZero(topLeft);
Brush borderBrush;
if (!borderThickness.IsZero && (borderBrush = this.BorderBrush) != null)
{
Pen pen = this.LeftPenCache;
if (pen == null)
{
pen = new Pen();
pen.Brush = borderBrush;
if (useLayoutRounding)
{
pen.Thickness = UIElement.RoundLayoutValue(borderThickness.Left, dpi.DpiScaleX);
}
else
{
pen.Thickness = borderThickness.Left;
}
if (borderBrush.IsFrozen)
{
pen.Freeze();
}
this.LeftPenCache = pen;
}
if (borderThickness.IsUniform)
{
double num = pen.Thickness * 0.5;
Rect rectangle = new Rect(new Point(num, num), new Point(base.RenderSize.Width - num, base.RenderSize.Height - num));
if (flag)
{
dc.DrawRoundedRectangle(null, pen, rectangle, topLeft, topLeft);
}
else
{
dc.DrawRectangle(null, pen, rectangle);
}
}
else
{
if (DoubleUtil.GreaterThan(borderThickness.Left, 0.0))
{
double num = pen.Thickness * 0.5;
dc.DrawLine(pen, new Point(num, 0.0), new Point(num, base.RenderSize.Height));
}
if (DoubleUtil.GreaterThan(borderThickness.Right, 0.0))
{
pen = this.RightPenCache;
if (pen == null)
{
pen = new Pen();
pen.Brush = borderBrush;
if (useLayoutRounding)
{
pen.Thickness = UIElement.RoundLayoutValue(borderThickness.Right, dpi.DpiScaleX);
}
else
{
pen.Thickness = borderThickness.Right;
}
if (borderBrush.IsFrozen)
{
pen.Freeze();
}
this.RightPenCache = pen;
}
double num = pen.Thickness * 0.5;
dc.DrawLine(pen, new Point(base.RenderSize.Width - num, 0.0), new Point(base.RenderSize.Width - num, base.RenderSize.Height));
}
if (DoubleUtil.GreaterThan(borderThickness.Top, 0.0))
{
pen = this.TopPenCache;
if (pen == null)
{
pen = new Pen();
pen.Brush = borderBrush;
if (useLayoutRounding)
{
pen.Thickness = UIElement.RoundLayoutValue(borderThickness.Top, dpi.DpiScaleY);
}
else
{
pen.Thickness = borderThickness.Top;
}
if (borderBrush.IsFrozen)
{
pen.Freeze();
}
this.TopPenCache = pen;
}
double num = pen.Thickness * 0.5;
dc.DrawLine(pen, new Point(0.0, num), new Point(base.RenderSize.Width, num));
}
if (DoubleUtil.GreaterThan(borderThickness.Bottom, 0.0))
{
pen = this.BottomPenCache;
if (pen == null)
{
pen = new Pen();
pen.Brush = borderBrush;
if (useLayoutRounding)
{
pen.Thickness = UIElement.RoundLayoutValue(borderThickness.Bottom, dpi.DpiScaleY);
}
else
{
pen.Thickness = borderThickness.Bottom;
}
if (borderBrush.IsFrozen)
{
pen.Freeze();
}
this.BottomPenCache = pen;
}
double num = pen.Thickness * 0.5;
dc.DrawLine(pen, new Point(0.0, base.RenderSize.Height - num), new Point(base.RenderSize.Width, base.RenderSize.Height - num));
}
}
}
Brush background = this.Background;
if (background != null)
{
Point point;
Point point2;
if (useLayoutRounding)
{
point = new Point(UIElement.RoundLayoutValue(borderThickness.Left, dpi.DpiScaleX), UIElement.RoundLayoutValue(borderThickness.Top, dpi.DpiScaleY));
if (FrameworkAppContextSwitches.DoNotApplyLayoutRoundingToMarginsAndBorderThickness)
{
point2 = new Point(UIElement.RoundLayoutValue(base.RenderSize.Width - borderThickness.Right, dpi.DpiScaleX), UIElement.RoundLayoutValue(base.RenderSize.Height - borderThickness.Bottom, dpi.DpiScaleY));
}
else
{
point2 = new Point(base.RenderSize.Width - UIElement.RoundLayoutValue(borderThickness.Right, dpi.DpiScaleX), base.RenderSize.Height - UIElement.RoundLayoutValue(borderThickness.Bottom, dpi.DpiScaleY));
}
}
else
{
point = new Point(borderThickness.Left, borderThickness.Top);
point2 = new Point(base.RenderSize.Width - borderThickness.Right, base.RenderSize.Height - borderThickness.Bottom);
}
if (point2.X > point.X && point2.Y > point.Y)
{
if (flag)
{
Border.Radii radii = new Border.Radii(cornerRadius, borderThickness, false);
double topLeft2 = radii.TopLeft;
dc.DrawRoundedRectangle(background, null, new Rect(point, point2), topLeft2, topLeft2);
return;
}
dc.DrawRectangle(background, null, new Rect(point, point2));
}
}
}
}
// Token: 0x06004268 RID: 17000 RVA: 0x001301EC File Offset: 0x0012E3EC
private static bool AreUniformCorners(CornerRadius borderRadii)
{
double topLeft = borderRadii.TopLeft;
return(DoubleUtil.AreClose(topLeft, borderRadii.TopRight) && DoubleUtil.AreClose(topLeft, borderRadii.BottomLeft) && DoubleUtil.AreClose(topLeft, borderRadii.BottomRight));
}
/// <summary>
/// This is the method that responds to the KeyDown event.
/// </summary>
/// <param name="e">Event Arguments</param>
protected override void OnKeyDown(KeyEventArgs e)
{
bool handled = true;
Key key = e.Key;
switch (key)
{
case Key.Divide:
case Key.Oem2:
// Ctrl-Fowardslash = Select All
if (((Keyboard.Modifiers & ModifierKeys.Control) == (ModifierKeys.Control)) && (SelectionMode == SelectionMode.Extended))
{
SelectAll();
}
else
{
handled = false;
}
break;
case Key.Oem5:
// Ctrl-Backslash = Select the item with focus.
if (((Keyboard.Modifiers & ModifierKeys.Control) == (ModifierKeys.Control)) && (SelectionMode == SelectionMode.Extended))
{
ListBoxItem focusedItemUI = (FocusedInfo != null) ? FocusedInfo.Container as ListBoxItem : null;
if (focusedItemUI != null)
{
MakeSingleSelection(focusedItemUI);
}
}
else
{
handled = false;
}
break;
case Key.Up:
case Key.Left:
case Key.Down:
case Key.Right:
{
KeyboardNavigation.ShowFocusVisual();
// Depend on logical orientation we decide to move focus or just scroll
// shouldScroll also detects if we can scroll more in this direction
bool shouldScroll = ScrollHost != null;
if (shouldScroll)
{
shouldScroll =
((key == Key.Down && IsLogicalHorizontal && DoubleUtil.GreaterThan(ScrollHost.ScrollableHeight, ScrollHost.VerticalOffset))) ||
((key == Key.Up && IsLogicalHorizontal && DoubleUtil.GreaterThan(ScrollHost.VerticalOffset, 0d))) ||
((key == Key.Right && IsLogicalVertical && DoubleUtil.GreaterThan(ScrollHost.ScrollableWidth, ScrollHost.HorizontalOffset))) ||
((key == Key.Left && IsLogicalVertical && DoubleUtil.GreaterThan(ScrollHost.HorizontalOffset, 0d)));
}
if (shouldScroll)
{
ScrollHost.ScrollInDirection(e);
}
else
{
if ((ItemsHost != null && ItemsHost.IsKeyboardFocusWithin) || IsKeyboardFocused)
{
if (!NavigateByLine(KeyboardNavigation.KeyToTraversalDirection(key),
new ItemNavigateArgs(e.Device, Keyboard.Modifiers)))
{
handled = false;
}
}
else
{
handled = false;
}
}
}
break;
case Key.Home:
NavigateToStart(new ItemNavigateArgs(e.Device, Keyboard.Modifiers));
break;
case Key.End:
NavigateToEnd(new ItemNavigateArgs(e.Device, Keyboard.Modifiers));
break;
case Key.Space:
case Key.Enter:
{
if (e.Key == Key.Enter && (bool)GetValue(KeyboardNavigation.AcceptsReturnProperty) == false)
{
handled = false;
break;
}
// If the event came from a ListBoxItem that's a child of ours, then look at it.
ListBoxItem source = e.OriginalSource as ListBoxItem;
// If ALT is down & Ctrl is up, then we shouldn't handle this. (system menu)
if ((Keyboard.Modifiers & (ModifierKeys.Control | ModifierKeys.Alt)) == ModifierKeys.Alt)
{
handled = false;
break;
}
// If the user hits just "space" while text searching, do not handle the event
// Note: Space cannot be the first character in a string sent to ITS.
if (IsTextSearchEnabled && Keyboard.Modifiers == ModifierKeys.None)
{
TextSearch instance = TextSearch.EnsureInstance(this);
// If TextSearch enabled and Prefix is not empty
// then let this SPACE go so ITS can process it.
if (instance != null && (instance.GetCurrentPrefix() != String.Empty))
{
handled = false;
break;
}
}
if (source != null && ItemsControlFromItemContainer(source) == this)
{
switch (SelectionMode)
{
case SelectionMode.Single:
if ((Keyboard.Modifiers & ModifierKeys.Control) == ModifierKeys.Control)
{
MakeToggleSelection(source);
}
else
{
MakeSingleSelection(source);
}
break;
case SelectionMode.Multiple:
MakeToggleSelection(source);
break;
case SelectionMode.Extended:
if ((Keyboard.Modifiers & (ModifierKeys.Control | ModifierKeys.Shift)) == ModifierKeys.Control)
{
// Only CONTROL
MakeToggleSelection(source);
}
else if ((Keyboard.Modifiers & (ModifierKeys.Control | ModifierKeys.Shift)) == ModifierKeys.Shift)
{
// Only SHIFT
MakeAnchorSelection(source, true /* clearCurrent */);
}
else if ((Keyboard.Modifiers & ModifierKeys.Shift) == 0)
{
MakeSingleSelection(source);
}
else
{
handled = false;
}
break;
}
}
else
{
handled = false;
}
}
break;
case Key.PageUp:
NavigateByPage(FocusNavigationDirection.Up, new ItemNavigateArgs(e.Device, Keyboard.Modifiers));
break;
case Key.PageDown:
NavigateByPage(FocusNavigationDirection.Down, new ItemNavigateArgs(e.Device, Keyboard.Modifiers));
break;
default:
handled = false;
break;
}
if (handled)
{
e.Handled = true;
}
else
{
base.OnKeyDown(e);
}
}
/// <summary>Arranges the contents of a <see cref="T:System.Windows.Controls.Border" /> element.</summary>
/// <param name="finalSize">The <see cref="T:System.Windows.Size" /> this element uses to arrange its child element.</param>
/// <returns>The <see cref="T:System.Windows.Size" /> that represents the arranged size of this <see cref="T:System.Windows.Controls.Border" /> element and its child element.</returns>
// Token: 0x06004265 RID: 16997 RVA: 0x0012F998 File Offset: 0x0012DB98
protected override Size ArrangeOverride(Size finalSize)
{
Thickness borderThickness = this.BorderThickness;
if (base.UseLayoutRounding && !FrameworkAppContextSwitches.DoNotApplyLayoutRoundingToMarginsAndBorderThickness)
{
DpiScale dpi = base.GetDpi();
borderThickness = new Thickness(UIElement.RoundLayoutValue(borderThickness.Left, dpi.DpiScaleX), UIElement.RoundLayoutValue(borderThickness.Top, dpi.DpiScaleY), UIElement.RoundLayoutValue(borderThickness.Right, dpi.DpiScaleX), UIElement.RoundLayoutValue(borderThickness.Bottom, dpi.DpiScaleY));
}
Rect rect = new Rect(finalSize);
Rect rect2 = Border.HelperDeflateRect(rect, borderThickness);
UIElement child = this.Child;
if (child != null)
{
Rect finalRect = Border.HelperDeflateRect(rect2, this.Padding);
child.Arrange(finalRect);
}
CornerRadius cornerRadius = this.CornerRadius;
Brush borderBrush = this.BorderBrush;
bool flag = Border.AreUniformCorners(cornerRadius);
this._useComplexRenderCodePath = !flag;
if (!this._useComplexRenderCodePath && borderBrush != null)
{
SolidColorBrush solidColorBrush = borderBrush as SolidColorBrush;
bool isUniform = borderThickness.IsUniform;
this._useComplexRenderCodePath = (solidColorBrush == null || (solidColorBrush.Color.A < byte.MaxValue && !isUniform) || (!DoubleUtil.IsZero(cornerRadius.TopLeft) && !isUniform));
}
if (this._useComplexRenderCodePath)
{
Border.Radii radii = new Border.Radii(cornerRadius, borderThickness, false);
StreamGeometry streamGeometry = null;
if (!DoubleUtil.IsZero(rect2.Width) && !DoubleUtil.IsZero(rect2.Height))
{
streamGeometry = new StreamGeometry();
using (StreamGeometryContext streamGeometryContext = streamGeometry.Open())
{
Border.GenerateGeometry(streamGeometryContext, rect2, radii);
}
streamGeometry.Freeze();
this.BackgroundGeometryCache = streamGeometry;
}
else
{
this.BackgroundGeometryCache = null;
}
if (!DoubleUtil.IsZero(rect.Width) && !DoubleUtil.IsZero(rect.Height))
{
Border.Radii radii2 = new Border.Radii(cornerRadius, borderThickness, true);
StreamGeometry streamGeometry2 = new StreamGeometry();
using (StreamGeometryContext streamGeometryContext2 = streamGeometry2.Open())
{
Border.GenerateGeometry(streamGeometryContext2, rect, radii2);
if (streamGeometry != null)
{
Border.GenerateGeometry(streamGeometryContext2, rect2, radii);
}
}
streamGeometry2.Freeze();
this.BorderGeometryCache = streamGeometry2;
}
else
{
this.BorderGeometryCache = null;
}
}
else
{
this.BackgroundGeometryCache = null;
this.BorderGeometryCache = null;
}
return(finalSize);
}
private bool CheckIsPointBetween(Rect rect, double pointY)
{
// return rect.Top <= pointY <= rect.Bottom
return(DoubleUtil.LessThanOrClose(rect.Top, pointY) &&
DoubleUtil.LessThanOrClose(pointY, rect.Bottom));
}
// Token: 0x060058E9 RID: 22761 RVA: 0x00189730 File Offset: 0x00187930
private bool HandleScrollKeys(Key key)
{
ScrollViewer scrollHost = base.ScrollHost;
if (scrollHost != null)
{
bool flag = base.FlowDirection == FlowDirection.RightToLeft;
switch (key)
{
case Key.Prior:
if (DoubleUtil.GreaterThan(scrollHost.ExtentHeight, scrollHost.ViewportHeight))
{
scrollHost.PageUp();
}
else
{
scrollHost.PageLeft();
}
return(true);
case Key.Next:
if (DoubleUtil.GreaterThan(scrollHost.ExtentHeight, scrollHost.ViewportHeight))
{
scrollHost.PageDown();
}
else
{
scrollHost.PageRight();
}
return(true);
case Key.End:
scrollHost.ScrollToBottom();
return(true);
case Key.Home:
scrollHost.ScrollToTop();
return(true);
case Key.Left:
if (flag)
{
scrollHost.LineRight();
}
else
{
scrollHost.LineLeft();
}
return(true);
case Key.Up:
scrollHost.LineUp();
return(true);
case Key.Right:
if (flag)
{
scrollHost.LineLeft();
}
else
{
scrollHost.LineRight();
}
return(true);
case Key.Down:
scrollHost.LineDown();
return(true);
}
}
return(false);
}
/// <summary>
/// OnLayoutUpdated handler. Validates that all participating definitions
/// have updated min size value. Forces another layout update cycle if needed.
/// </summary>
private void OnLayoutUpdated(object sender, EventArgs e)
{
double sharedMinSize = 0;
// accumulate min size of all participating definitions
for (int i = 0, count = _registry.Count; i < count; ++i)
{
sharedMinSize = Math.Max(sharedMinSize, _registry[i]._minSize);
}
bool sharedMinSizeChanged = !DoubleUtil.AreClose(_minSize, sharedMinSize);
// compare accumulated min size with min sizes of the individual definitions
for (int i = 0, count = _registry.Count; i < count; ++i)
{
DefinitionBase definitionBase = _registry[i];
// we'll set d.UseSharedMinimum to maintain the invariant:
// d.UseSharedMinimum iff d._minSize < this.MinSize
// i.e. iff d is not a "long-pole" definition.
//
// Measure/Arrange of d's Grid uses d._minSize for long-pole
// definitions, and max(d._minSize, shared size) for
// short-pole definitions. This distinction allows us to react
// to changes in "long-pole-ness" more efficiently and correctly,
// by avoiding remeasures when a long-pole definition changes.
bool useSharedMinimum = !DoubleUtil.AreClose(definitionBase._minSize, sharedMinSize);
// before doing that, determine whether d's Grid needs to be remeasured.
// It's important _not_ to remeasure if the last measure is still
// valid, otherwise infinite loops are possible
bool measureIsValid;
if (!definitionBase.UseSharedMinimum)
{
// d was a long-pole. measure is valid iff it's still a long-pole,
// since previous measure didn't use shared size.
measureIsValid = !useSharedMinimum;
}
else if (useSharedMinimum)
{
// d was a short-pole, and still is. measure is valid
// iff the shared size didn't change
measureIsValid = !sharedMinSizeChanged;
}
else
{
// d was a short-pole, but is now a long-pole. This can
// happen in several ways:
// a. d's minSize increased to or past the old shared size
// b. other long-pole definitions decreased, leaving
// d as the new winner
// In the former case, the measure is valid - it used
// d's new larger minSize. In the latter case, the
// measure is invalid - it used the old shared size,
// which is larger than d's (possibly changed) minSize
measureIsValid = (definitionBase.LayoutWasUpdated &&
DoubleUtil.GreaterThanOrClose(definitionBase._minSize, this.MinSize));
}
if (!measureIsValid)
{
Grid parentGrid = (Grid)definitionBase.Parent;
parentGrid.InvalidateMeasure();
}
else if (!DoubleUtil.AreClose(sharedMinSize, definitionBase.SizeCache))
{
// if measure is valid then also need to check arrange.
// Note: definitionBase.SizeCache is volatile but at this point
// it contains up-to-date final size
Grid parentGrid = (Grid)definitionBase.Parent;
parentGrid.InvalidateArrange();
}
// now we can restore the invariant, and clear the layout flag
definitionBase.UseSharedMinimum = useSharedMinimum;
definitionBase.LayoutWasUpdated = false;
}
_minSize = sharedMinSize;
_layoutUpdatedHost.LayoutUpdated -= _layoutUpdated;
_layoutUpdatedHost = null;
_broadcastInvalidation = true;
}
/// <summary>
/// Parses a DataGridLength from a string given the CultureInfo.
/// </summary>
/// <param name="s">String to parse from.</param>
/// <param name="cultureInfo">Culture Info.</param>
/// <returns>Newly created DataGridLength instance.</returns>
/// <remarks>
/// Formats:
/// "[value][unit]"
/// [value] is a double
/// [unit] is a string in DataGridLength._unitTypes connected to a DataGridLengthUnitType
/// "[value]"
/// As above, but the DataGridLengthUnitType is assumed to be DataGridLengthUnitType.Pixel
/// "[unit]"
/// As above, but the value is assumed to be 1.0
/// This is only acceptable for a subset of DataGridLengthUnitType: Auto
/// </remarks>
private static DataGridLength ConvertFromString(string s, CultureInfo cultureInfo)
{
string goodString = s.Trim().ToLowerInvariant();
// Check if the string matches any of the descriptive unit types.
// In these cases, there is no need to parse a value.
for (int i = 0; i < NumDescriptiveUnits; i++)
{
string unitString = _unitStrings[i];
if (goodString == unitString)
{
return(new DataGridLength(1.0, (DataGridLengthUnitType)i));
}
}
double value = 0.0;
DataGridLengthUnitType unit = DataGridLengthUnitType.Pixel;
int strLen = goodString.Length;
int strLenUnit = 0;
double unitFactor = 1.0;
// Check if the string contains a non-descriptive unit at the end.
int numUnitStrings = _unitStrings.Length;
for (int i = NumDescriptiveUnits; i < numUnitStrings; i++)
{
string unitString = _unitStrings[i];
// Note: This is NOT a culture specific comparison.
// This is by design: we want the same unit string table to work across all cultures.
if (goodString.EndsWith(unitString, StringComparison.Ordinal))
{
strLenUnit = unitString.Length;
unit = (DataGridLengthUnitType)i;
break;
}
}
// Couldn't match a standard unit type, try a non-standard unit type.
if (strLenUnit == 0)
{
numUnitStrings = _nonStandardUnitStrings.Length;
for (int i = 0; i < numUnitStrings; i++)
{
string unitString = _nonStandardUnitStrings[i];
// Note: This is NOT a culture specific comparison.
// This is by design: we want the same unit string table to work across all cultures.
if (goodString.EndsWith(unitString, StringComparison.Ordinal))
{
strLenUnit = unitString.Length;
unitFactor = _pixelUnitFactors[i];
break;
}
}
}
// Check if there is a numerical value to parse
if (strLen == strLenUnit)
{
// There is no numerical value to parse
if (unit == DataGridLengthUnitType.Star)
{
// Star's value defaults to 1. Anyone else would be 0.
value = 1.0;
}
}
else
{
// Parse a numerical value
Debug.Assert(
(unit == DataGridLengthUnitType.Pixel) || DoubleUtil.AreClose(unitFactor, 1.0),
"unitFactor should not be other than 1.0 unless the unit type is Pixel.");
ReadOnlySpan <char> valueString = goodString.AsSpan(0, strLen - strLenUnit);
value = double.Parse(valueString, provider: cultureInfo) * unitFactor;
}
return(new DataGridLength(value, unit));
}
/// <summary>
/// <see cref="DependencyProperty.ValidateValueCallback"/>
/// </summary>
/// <remarks>
/// This method needs to be internal to be accessable from derived classes.
/// </remarks>
internal static bool IsUserMinSizePropertyValueValid(object value)
{
double v = (double)value;
return(!DoubleUtil.IsNaN(v) && v >= 0.0d && !Double.IsPositiveInfinity(v));
}
/// <summary>
/// <see cref="DependencyProperty.ValidateValueCallback"/>
/// </summary>
/// <remarks>
/// This method needs to be internal to be accessable from derived classes.
/// </remarks>
internal static bool IsUserMaxSizePropertyValueValid(object value)
{
double v = (double)value;
return(!DoubleUtil.IsNaN(v) && v >= 0.0d);
}
private void ProcessThumbDragDelta(DragDeltaEventArgs e)
{
// Process thumb event only if Thumb styled parent is a ToolBar under the TollBarTray
Thumb thumb = e.OriginalSource as Thumb;
if (thumb != null)
{
ToolBar toolBar = thumb.TemplatedParent as ToolBar;
if (toolBar != null && toolBar.Parent == this)
{
// _bandsDirty would be true at this time only when a Measure gets
// skipped between two mouse moves. Ideally that should not happen
// but VS has proved that it can. Hence making the code more robust.
// Uncomment the line below if the measure skip issue ever gets fixed.
// Debug.Assert(!_bandsDirty, "Bands should not be dirty at this point");
if (_bandsDirty)
{
GenerateBands();
}
bool fHorizontal = (Orientation == Orientation.Horizontal);
int currentBand = toolBar.Band;
Point pointRelativeToToolBarTray = Mouse.PrimaryDevice.GetPosition((IInputElement)this);
Point pointRelativeToToolBar = TransformPointToToolBar(toolBar, pointRelativeToToolBarTray);
int hittestBand = GetBandFromOffset(fHorizontal ? pointRelativeToToolBarTray.Y : pointRelativeToToolBarTray.X);
double newPosition;
double thumbChange = fHorizontal ? e.HorizontalChange : e.VerticalChange;
double toolBarPosition;
if (fHorizontal)
{
toolBarPosition = pointRelativeToToolBarTray.X - pointRelativeToToolBar.X;
}
else
{
toolBarPosition = pointRelativeToToolBarTray.Y - pointRelativeToToolBar.Y;
}
newPosition = toolBarPosition + thumbChange; // New toolBar position
// Move within the band
if (hittestBand == currentBand)
{
List <ToolBar> band = _bands[currentBand].Band;
int toolBarIndex = toolBar.BandIndex;
// Move ToolBar within the band
if (DoubleUtil.LessThan(thumbChange, 0)) // Move left/up
{
double toolBarsTotalMinimum = ToolBarsTotalMinimum(band, 0, toolBarIndex - 1);
// Check if minimized toolbars will fit in the range
if (DoubleUtil.LessThanOrClose(toolBarsTotalMinimum, newPosition))
{
ShrinkToolBars(band, 0, toolBarIndex - 1, -thumbChange);
}
else if (toolBarIndex > 0) // Swap toolbars
{
ToolBar prevToolBar = band[toolBarIndex - 1];
Point pointRelativeToPreviousToolBar = TransformPointToToolBar(prevToolBar, pointRelativeToToolBarTray);
// if pointer in on the left side of previous toolbar
if (DoubleUtil.LessThan((fHorizontal ? pointRelativeToPreviousToolBar.X : pointRelativeToPreviousToolBar.Y), 0))
{
prevToolBar.BandIndex = toolBarIndex;
band[toolBarIndex] = prevToolBar;
toolBar.BandIndex = toolBarIndex - 1;
band[toolBarIndex - 1] = toolBar;
if (toolBarIndex + 1 == band.Count) // If toolBar was the last item in the band
{
prevToolBar.ClearValue(fHorizontal ? WidthProperty : HeightProperty);
}
}
else
{ // Move to the left/up and shring the other toolbars
if (fHorizontal)
{
if (DoubleUtil.LessThan(toolBarsTotalMinimum, pointRelativeToToolBarTray.X - pointRelativeToToolBar.X))
{
ShrinkToolBars(band, 0, toolBarIndex - 1, pointRelativeToToolBarTray.X - pointRelativeToToolBar.X - toolBarsTotalMinimum);
}
}
else
{
if (DoubleUtil.LessThan(toolBarsTotalMinimum, pointRelativeToToolBarTray.Y - pointRelativeToToolBar.Y))
{
ShrinkToolBars(band, 0, toolBarIndex - 1, pointRelativeToToolBarTray.Y - pointRelativeToToolBar.Y - toolBarsTotalMinimum);
}
}
}
}
}
else // Move right/down
{
double toolBarsTotalMaximum = ToolBarsTotalMaximum(band, 0, toolBarIndex - 1);
if (DoubleUtil.GreaterThan(toolBarsTotalMaximum, newPosition))
{
ExpandToolBars(band, 0, toolBarIndex - 1, thumbChange);
}
else
{
if (toolBarIndex < band.Count - 1) // Swap toolbars
{
ToolBar nextToolBar = band[toolBarIndex + 1];
Point pointRelativeToNextToolBar = TransformPointToToolBar(nextToolBar, pointRelativeToToolBarTray);
// if pointer in on the right side of next toolbar
if (DoubleUtil.GreaterThanOrClose((fHorizontal ? pointRelativeToNextToolBar.X : pointRelativeToNextToolBar.Y), 0))
{
nextToolBar.BandIndex = toolBarIndex;
band[toolBarIndex] = nextToolBar;
toolBar.BandIndex = toolBarIndex + 1;
band[toolBarIndex + 1] = toolBar;
if (toolBarIndex + 2 == band.Count) // If toolBar becomes the last item in the band
{
toolBar.ClearValue(fHorizontal ? WidthProperty : HeightProperty);
}
}
else
{
ExpandToolBars(band, 0, toolBarIndex - 1, thumbChange);
}
}
else
{
ExpandToolBars(band, 0, toolBarIndex - 1, thumbChange);
}
}
}
}
else // Move ToolBar to another band
{
_bandsDirty = true;
toolBar.Band = hittestBand;
toolBar.ClearValue(fHorizontal ? WidthProperty : HeightProperty);
// move to another existing band
if (hittestBand >= 0 && hittestBand < _bands.Count)
{
MoveToolBar(toolBar, hittestBand, newPosition);
}
List <ToolBar> oldBand = _bands[currentBand].Band;
// currentBand should restore sizes to Auto
for (int i = 0; i < oldBand.Count; i++)
{
ToolBar currentToolBar = oldBand[i];
currentToolBar.ClearValue(fHorizontal ? WidthProperty : HeightProperty);
}
}
e.Handled = true;
}
}
}
/// <summary>
/// Updates DesiredSize of the ToolBarTray. Called by parent UIElement.
/// This is the first pass of layout.
/// MeasureOverride distributes all ToolBars in bands depend on Band and BandIndex properties.
/// All ToolBars with the same Band are places in one band. After that they are sorted by BandIndex.
/// </summary>
/// <param name="constraint">Constraint size is an "upper limit" that ToolBarTray should not exceed.</param>
/// <returns>ToolBarTray' desired size.</returns>
protected override Size MeasureOverride(Size constraint)
{
GenerateBands();
Size toolBarTrayDesiredSize = new Size();
int bandIndex;
int toolBarIndex;
bool fHorizontal = (Orientation == Orientation.Horizontal);
Size childConstraint = new Size(Double.PositiveInfinity, Double.PositiveInfinity);
for (bandIndex = 0; bandIndex < _bands.Count; bandIndex++)
{
// Calculate the available size before we measure the children.
// remainingLength is the constraint minus sum of all minimum sizes
double remainingLength = fHorizontal ? constraint.Width : constraint.Height;
List <ToolBar> band = _bands[bandIndex].Band;
double bandThickness = 0d;
double bandLength = 0d;
for (toolBarIndex = 0; toolBarIndex < band.Count; toolBarIndex++)
{
ToolBar toolBar = band[toolBarIndex];
remainingLength -= toolBar.MinLength;
if (DoubleUtil.LessThan(remainingLength, 0))
{
remainingLength = 0;
break;
}
}
// Measure all children passing the remainingLength as a constraint
for (toolBarIndex = 0; toolBarIndex < band.Count; toolBarIndex++)
{
ToolBar toolBar = band[toolBarIndex];
remainingLength += toolBar.MinLength;
if (fHorizontal)
{
childConstraint.Width = remainingLength;
}
else
{
childConstraint.Height = remainingLength;
}
toolBar.Measure(childConstraint);
bandThickness = Math.Max(bandThickness, fHorizontal ? toolBar.DesiredSize.Height : toolBar.DesiredSize.Width);
bandLength += fHorizontal ? toolBar.DesiredSize.Width : toolBar.DesiredSize.Height;
remainingLength -= fHorizontal ? toolBar.DesiredSize.Width : toolBar.DesiredSize.Height;
if (DoubleUtil.LessThan(remainingLength, 0))
{
remainingLength = 0;
}
}
// Store band thickness in the BandInfo property
_bands[bandIndex].Thickness = bandThickness;
if (fHorizontal)
{
toolBarTrayDesiredSize.Height += bandThickness;
toolBarTrayDesiredSize.Width = Math.Max(toolBarTrayDesiredSize.Width, bandLength);
}
else
{
toolBarTrayDesiredSize.Width += bandThickness;
toolBarTrayDesiredSize.Height = Math.Max(toolBarTrayDesiredSize.Height, bandLength);
}
}
return(toolBarTrayDesiredSize);
}
// Token: 0x06005698 RID: 22168 RVA: 0x0017F0C4 File Offset: 0x0017D2C4
internal static Size StackMeasureHelper(IStackMeasure measureElement, IStackMeasureScrollData scrollData, Size constraint)
{
Size size = default(Size);
UIElementCollection internalChildren = measureElement.InternalChildren;
Size availableSize = constraint;
bool flag = measureElement.Orientation == Orientation.Horizontal;
int num = -1;
int i;
double num2;
if (flag)
{
availableSize.Width = double.PositiveInfinity;
if (measureElement.IsScrolling && measureElement.CanVerticallyScroll)
{
availableSize.Height = double.PositiveInfinity;
}
i = (measureElement.IsScrolling ? StackPanel.CoerceOffsetToInteger(scrollData.Offset.X, internalChildren.Count) : 0);
num2 = constraint.Width;
}
else
{
availableSize.Height = double.PositiveInfinity;
if (measureElement.IsScrolling && measureElement.CanHorizontallyScroll)
{
availableSize.Width = double.PositiveInfinity;
}
i = (measureElement.IsScrolling ? StackPanel.CoerceOffsetToInteger(scrollData.Offset.Y, internalChildren.Count) : 0);
num2 = constraint.Height;
}
int j = 0;
int count = internalChildren.Count;
while (j < count)
{
UIElement uielement = internalChildren[j];
if (uielement != null)
{
uielement.Measure(availableSize);
Size desiredSize = uielement.DesiredSize;
double num3;
if (flag)
{
size.Width += desiredSize.Width;
size.Height = Math.Max(size.Height, desiredSize.Height);
num3 = desiredSize.Width;
}
else
{
size.Width = Math.Max(size.Width, desiredSize.Width);
size.Height += desiredSize.Height;
num3 = desiredSize.Height;
}
if (measureElement.IsScrolling && num == -1 && j >= i)
{
num2 -= num3;
if (DoubleUtil.LessThanOrClose(num2, 0.0))
{
num = j;
}
}
}
j++;
}
if (measureElement.IsScrolling)
{
Size viewport = constraint;
Size extent = size;
Vector offset = scrollData.Offset;
if (num == -1)
{
num = internalChildren.Count - 1;
}
while (i > 0)
{
double num4 = num2;
if (flag)
{
num4 -= internalChildren[i - 1].DesiredSize.Width;
}
else
{
num4 -= internalChildren[i - 1].DesiredSize.Height;
}
if (DoubleUtil.LessThan(num4, 0.0))
{
break;
}
i--;
num2 = num4;
}
int count2 = internalChildren.Count;
int num5 = num - i;
if (num5 == 0 || DoubleUtil.GreaterThanOrClose(num2, 0.0))
{
num5++;
}
if (flag)
{
scrollData.SetPhysicalViewport(viewport.Width);
viewport.Width = (double)num5;
extent.Width = (double)count2;
offset.X = (double)i;
offset.Y = Math.Max(0.0, Math.Min(offset.Y, extent.Height - viewport.Height));
}
else
{
scrollData.SetPhysicalViewport(viewport.Height);
viewport.Height = (double)num5;
extent.Height = (double)count2;
offset.Y = (double)i;
offset.X = Math.Max(0.0, Math.Min(offset.X, extent.Width - viewport.Width));
}
size.Width = Math.Min(size.Width, constraint.Width);
size.Height = Math.Min(size.Height, constraint.Height);
StackPanel.VerifyScrollingData(measureElement, scrollData, viewport, extent, offset);
}
return(size);
}
// Token: 0x0600426A RID: 17002 RVA: 0x001302AC File Offset: 0x0012E4AC
private static void GenerateGeometry(StreamGeometryContext ctx, Rect rect, Border.Radii radii)
{
Point point = new Point(radii.LeftTop, 0.0);
Point point2 = new Point(rect.Width - radii.RightTop, 0.0);
Point point3 = new Point(rect.Width, radii.TopRight);
Point point4 = new Point(rect.Width, rect.Height - radii.BottomRight);
Point point5 = new Point(rect.Width - radii.RightBottom, rect.Height);
Point point6 = new Point(radii.LeftBottom, rect.Height);
Point point7 = new Point(0.0, rect.Height - radii.BottomLeft);
Point point8 = new Point(0.0, radii.TopLeft);
if (point.X > point2.X)
{
double x = radii.LeftTop / (radii.LeftTop + radii.RightTop) * rect.Width;
point.X = x;
point2.X = x;
}
if (point3.Y > point4.Y)
{
double y = radii.TopRight / (radii.TopRight + radii.BottomRight) * rect.Height;
point3.Y = y;
point4.Y = y;
}
if (point5.X < point6.X)
{
double x2 = radii.LeftBottom / (radii.LeftBottom + radii.RightBottom) * rect.Width;
point5.X = x2;
point6.X = x2;
}
if (point7.Y < point8.Y)
{
double y2 = radii.TopLeft / (radii.TopLeft + radii.BottomLeft) * rect.Height;
point7.Y = y2;
point8.Y = y2;
}
Vector vector = new Vector(rect.TopLeft.X, rect.TopLeft.Y);
point += vector;
point2 += vector;
point3 += vector;
point4 += vector;
point5 += vector;
point6 += vector;
point7 += vector;
point8 += vector;
ctx.BeginFigure(point, true, true);
ctx.LineTo(point2, true, false);
double num = rect.TopRight.X - point2.X;
double num2 = point3.Y - rect.TopRight.Y;
if (!DoubleUtil.IsZero(num) || !DoubleUtil.IsZero(num2))
{
ctx.ArcTo(point3, new Size(num, num2), 0.0, false, SweepDirection.Clockwise, true, false);
}
ctx.LineTo(point4, true, false);
num = rect.BottomRight.X - point5.X;
num2 = rect.BottomRight.Y - point4.Y;
if (!DoubleUtil.IsZero(num) || !DoubleUtil.IsZero(num2))
{
ctx.ArcTo(point5, new Size(num, num2), 0.0, false, SweepDirection.Clockwise, true, false);
}
ctx.LineTo(point6, true, false);
num = point6.X - rect.BottomLeft.X;
num2 = rect.BottomLeft.Y - point7.Y;
if (!DoubleUtil.IsZero(num) || !DoubleUtil.IsZero(num2))
{
ctx.ArcTo(point7, new Size(num, num2), 0.0, false, SweepDirection.Clockwise, true, false);
}
ctx.LineTo(point8, true, false);
num = point.X - rect.TopLeft.X;
num2 = point8.Y - rect.TopLeft.Y;
if (!DoubleUtil.IsZero(num) || !DoubleUtil.IsZero(num2))
{
ctx.ArcTo(point, new Size(num, num2), 0.0, false, SweepDirection.Clockwise, true, false);
}
}
private bool HandleScrollKeys(Key key)
{
ScrollViewer scroller = ScrollHost;
if (scroller != null)
{
bool invert = (FlowDirection == FlowDirection.RightToLeft);
switch (key)
{
case Key.Up:
scroller.LineUp();
return(true);
case Key.Down:
scroller.LineDown();
return(true);
case Key.Left:
if (invert)
{
scroller.LineRight();
}
else
{
scroller.LineLeft();
}
return(true);
case Key.Right:
if (invert)
{
scroller.LineLeft();
}
else
{
scroller.LineRight();
}
return(true);
case Key.Home:
scroller.ScrollToTop();
return(true);
case Key.End:
scroller.ScrollToBottom();
return(true);
case Key.PageUp:
//if vertically scrollable - go vertical, otherwise horizontal
if (DoubleUtil.GreaterThan(scroller.ExtentHeight, scroller.ViewportHeight))
{
scroller.PageUp();
}
else
{
scroller.PageLeft();
}
return(true);
case Key.PageDown:
//if vertically scrollable - go vertical, otherwise horizontal
if (DoubleUtil.GreaterThan(scroller.ExtentHeight, scroller.ViewportHeight))
{
scroller.PageDown();
}
else
{
scroller.PageRight();
}
return(true);
}
}
return(false);
}
/// <summary>
/// This is a helper function that computes scale factors depending on a target size and a content size
/// </summary>
/// <param name="availableSize">Size into which the content is being fitted.</param>
/// <param name="contentSize">Size of the content, measured natively (unconstrained).</param>
/// <param name="stretch">Value of the Stretch property on the element.</param>
/// <param name="stretchDirection">Value of the StretchDirection property on the element.</param>
internal static Size ComputeScaleFactor(Size availableSize,
Size contentSize,
Stretch stretch,
StretchDirection stretchDirection)
{
// Compute scaling factors to use for axes
double scaleX = 1.0;
double scaleY = 1.0;
bool isConstrainedWidth = !Double.IsPositiveInfinity(availableSize.Width);
bool isConstrainedHeight = !Double.IsPositiveInfinity(availableSize.Height);
if ((stretch == Stretch.Uniform || stretch == Stretch.UniformToFill || stretch == Stretch.Fill) &&
(isConstrainedWidth || isConstrainedHeight))
{
// Compute scaling factors for both axes
scaleX = (DoubleUtil.IsZero(contentSize.Width)) ? 0.0 : availableSize.Width / contentSize.Width;
scaleY = (DoubleUtil.IsZero(contentSize.Height)) ? 0.0 : availableSize.Height / contentSize.Height;
if (!isConstrainedWidth)
{
scaleX = scaleY;
}
else if (!isConstrainedHeight)
{
scaleY = scaleX;
}
else
{
// If not preserving aspect ratio, then just apply transform to fit
switch (stretch)
{
case Stretch.Uniform: //Find minimum scale that we use for both axes
double minscale = scaleX < scaleY ? scaleX : scaleY;
scaleX = scaleY = minscale;
break;
case Stretch.UniformToFill: //Find maximum scale that we use for both axes
double maxscale = scaleX > scaleY ? scaleX : scaleY;
scaleX = scaleY = maxscale;
break;
case Stretch.Fill: //We already computed the fill scale factors above, so just use them
break;
}
}
//Apply stretch direction by bounding scales.
//In the uniform case, scaleX=scaleY, so this sort of clamping will maintain aspect ratio
//In the uniform fill case, we have the same result too.
//In the fill case, note that we change aspect ratio, but that is okay
switch (stretchDirection)
{
case StretchDirection.UpOnly:
if (scaleX < 1.0)
{
scaleX = 1.0;
}
if (scaleY < 1.0)
{
scaleY = 1.0;
}
break;
case StretchDirection.DownOnly:
if (scaleX > 1.0)
{
scaleX = 1.0;
}
if (scaleY > 1.0)
{
scaleY = 1.0;
}
break;
case StretchDirection.Both:
break;
default:
break;
}
}
//Return this as a size now
return(new Size(scaleX, scaleY));
}
// Token: 0x06005B4A RID: 23370 RVA: 0x0019BBC4 File Offset: 0x00199DC4
private static bool IsWidthHeightValid(object value)
{
double num = (double)value;
return(DoubleUtil.IsNaN(num) || (num >= 0.0 && !double.IsPositiveInfinity(num)));
}
//-------------------------------------------------------------------
//
// Public Methods
//
//-------------------------------------------------------------------
#region Public Methods
#endregion
//-------------------------------------------------------------------
//
// Public Properties + Dependency Properties's
//
//-------------------------------------------------------------------
#region Public Properties
private static bool IsWidthHeightValid(object value)
{
double v = (double)value;
return((DoubleUtil.IsNaN(v)) || (v >= 0.0d && !Double.IsPositiveInfinity(v)));
}
// Token: 0x06005859 RID: 22617 RVA: 0x00187528 File Offset: 0x00185728
private void ProcessThumbDragDelta(DragDeltaEventArgs e)
{
Thumb thumb = e.OriginalSource as Thumb;
if (thumb != null)
{
ToolBar toolBar = thumb.TemplatedParent as ToolBar;
if (toolBar != null && toolBar.Parent == this)
{
if (this._bandsDirty)
{
this.GenerateBands();
}
bool flag = this.Orientation == Orientation.Horizontal;
int band = toolBar.Band;
Point position = Mouse.PrimaryDevice.GetPosition(this);
Point point = this.TransformPointToToolBar(toolBar, position);
int bandFromOffset = this.GetBandFromOffset(flag ? position.Y : position.X);
double num = flag ? e.HorizontalChange : e.VerticalChange;
double num2;
if (flag)
{
num2 = position.X - point.X;
}
else
{
num2 = position.Y - point.Y;
}
double num3 = num2 + num;
if (bandFromOffset == band)
{
List <ToolBar> band2 = this._bands[band].Band;
int bandIndex = toolBar.BandIndex;
if (DoubleUtil.LessThan(num, 0.0))
{
double num4 = this.ToolBarsTotalMinimum(band2, 0, bandIndex - 1);
if (DoubleUtil.LessThanOrClose(num4, num3))
{
this.ShrinkToolBars(band2, 0, bandIndex - 1, -num);
}
else if (bandIndex > 0)
{
ToolBar toolBar2 = band2[bandIndex - 1];
Point point2 = this.TransformPointToToolBar(toolBar2, position);
if (DoubleUtil.LessThan(flag ? point2.X : point2.Y, 0.0))
{
toolBar2.BandIndex = bandIndex;
band2[bandIndex] = toolBar2;
toolBar.BandIndex = bandIndex - 1;
band2[bandIndex - 1] = toolBar;
if (bandIndex + 1 == band2.Count)
{
toolBar2.ClearValue(flag ? FrameworkElement.WidthProperty : FrameworkElement.HeightProperty);
}
}
else if (flag)
{
if (DoubleUtil.LessThan(num4, position.X - point.X))
{
this.ShrinkToolBars(band2, 0, bandIndex - 1, position.X - point.X - num4);
}
}
else if (DoubleUtil.LessThan(num4, position.Y - point.Y))
{
this.ShrinkToolBars(band2, 0, bandIndex - 1, position.Y - point.Y - num4);
}
}
}
else
{
double value = this.ToolBarsTotalMaximum(band2, 0, bandIndex - 1);
if (DoubleUtil.GreaterThan(value, num3))
{
this.ExpandToolBars(band2, 0, bandIndex - 1, num);
}
else if (bandIndex < band2.Count - 1)
{
ToolBar toolBar3 = band2[bandIndex + 1];
Point point3 = this.TransformPointToToolBar(toolBar3, position);
if (DoubleUtil.GreaterThanOrClose(flag ? point3.X : point3.Y, 0.0))
{
toolBar3.BandIndex = bandIndex;
band2[bandIndex] = toolBar3;
toolBar.BandIndex = bandIndex + 1;
band2[bandIndex + 1] = toolBar;
if (bandIndex + 2 == band2.Count)
{
toolBar.ClearValue(flag ? FrameworkElement.WidthProperty : FrameworkElement.HeightProperty);
}
}
else
{
this.ExpandToolBars(band2, 0, bandIndex - 1, num);
}
}
else
{
this.ExpandToolBars(band2, 0, bandIndex - 1, num);
}
}
}
else
{
this._bandsDirty = true;
toolBar.Band = bandFromOffset;
toolBar.ClearValue(flag ? FrameworkElement.WidthProperty : FrameworkElement.HeightProperty);
if (bandFromOffset >= 0 && bandFromOffset < this._bands.Count)
{
this.MoveToolBar(toolBar, bandFromOffset, num3);
}
List <ToolBar> band3 = this._bands[band].Band;
for (int i = 0; i < band3.Count; i++)
{
ToolBar toolBar4 = band3[i];
toolBar4.ClearValue(flag ? FrameworkElement.WidthProperty : FrameworkElement.HeightProperty);
}
}
e.Handled = true;
}
}
}
