public static void SetAnchor(IArrangedElement container, IArrangedElement element, AnchorStyles value)
{
AnchorStyles anchor = GetAnchor(element);
if (anchor != value)
{
if (CommonProperties.GetNeedsDockLayout(element))
{
SetDock(element, DockStyle.None);
}
CommonProperties.xSetAnchor(element, value);
if (CommonProperties.GetNeedsAnchorLayout(element))
{
UpdateAnchorInfo(element);
}
else
{
SetAnchorInfo(element, null);
}
if (element.Container != null)
{
bool flag = IsAnchored(anchor, AnchorStyles.Right) && !IsAnchored(value, AnchorStyles.Right);
bool flag2 = IsAnchored(anchor, AnchorStyles.Bottom) && !IsAnchored(value, AnchorStyles.Bottom);
if ((element.Container.Container != null) && (flag | flag2))
{
LayoutTransaction.DoLayout(element.Container.Container, element, PropertyNames.Anchor);
}
LayoutTransaction.DoLayout(element.Container, element, PropertyNames.Anchor);
}
}
}
public static void SetFlowDirection(IArrangedElement container, FlowDirection value)
{
SourceGenerated.EnumValidator.Validate(value);
container.Properties.SetInteger(s_flowDirectionProperty, (int)value);
LayoutTransaction.DoLayout(container, container, PropertyNames.FlowDirection);
Debug.Assert(GetFlowDirection(container) == value, "GetFlowDirection should return the same value as we set");
}
internal static void SetFlowBreak(IArrangedElement element, bool value)
{
BitVector32 layoutState = GetLayoutState(element);
layoutState[_flowBreakSection] = value ? 1 : 0;
SetLayoutState(element, layoutState);
LayoutTransaction.DoLayout(element.Container, element, PropertyNames.FlowBreak);
}
public static void SetFlowDirection(IArrangedElement container, FlowDirection value)
{
if (!System.Windows.Forms.ClientUtils.IsEnumValid(value, (int)value, 0, 3))
{
throw new InvalidEnumArgumentException("value", (int)value, typeof(FlowDirection));
}
container.Properties.SetInteger(_flowDirectionProperty, (int)value);
LayoutTransaction.DoLayout(container, container, PropertyNames.FlowDirection);
}
internal static void SetMargin(IArrangedElement element, Padding value)
{
Debug.Assert(value != GetMargin(element), "PERF: Caller should guard against setting Margin to original value.");
element.Properties.SetPadding(_marginProperty, value);
Debug.Assert(GetMargin(element) == value, "Error detected setting Margin.");
LayoutTransaction.DoLayout(element.Container, element, PropertyNames.Margin);
}
internal static void SetMaximumSize(IArrangedElement element, Size value)
{
element.Properties.SetSize(_maximumSizeProperty, value);
Rectangle bounds = element.Bounds;
bounds.Width = Math.Min(bounds.Width, value.Width);
bounds.Height = Math.Min(bounds.Height, value.Height);
element.SetBounds(bounds, BoundsSpecified.Size);
LayoutTransaction.DoLayout(element.Container, element, PropertyNames.MaximumSize);
}
public static void SetFlowDirection(IArrangedElement container, FlowDirection value)
{
//valid values are 0x0 to 0x3
if (!ClientUtils.IsEnumValid(value, (int)value, (int)FlowDirection.LeftToRight, (int)FlowDirection.BottomUp))
{
throw new InvalidEnumArgumentException("value", (int)value, typeof(FlowDirection));
}
container.Properties.SetInteger(_flowDirectionProperty, (int)value);
LayoutTransaction.DoLayout(container, container, PropertyNames.FlowDirection);
Debug.Assert(GetFlowDirection(container) == value, "GetFlowDirection should return the same value as we set");
}
internal static void SetFlowBreak(IArrangedElement element, bool value)
{
Debug.Assert(value != GetFlowBreak(element), "PERF: Caller should guard against setting FlowBreak to original value.");
BitVector32 state = GetLayoutState(element);
state[_flowBreakSection] = value ? 1 : 0;
SetLayoutState(element, state);
LayoutTransaction.DoLayout(element.Container, element, PropertyNames.FlowBreak);
Debug.Assert(GetFlowBreak(element) == value, "Error detected setitng SetFlowBreak.");
}
// This overload should be used when a property has changed that affects preferred size,
// but you only want to layout if a certain condition exists (say you want to layout your
// parent because your preferred size has changed).
public static void DoLayoutIf(bool condition, IArrangedElement elementToLayout, IArrangedElement elementCausingLayout, string property)
{
if (!condition)
{
if (elementCausingLayout != null)
{
CommonProperties.xClearPreferredSizeCache(elementCausingLayout);
}
}
else
{
LayoutTransaction.DoLayout(elementToLayout, elementCausingLayout, property);
}
}
internal static void SetMaximumSize(IArrangedElement element, Size value)
{
Debug.Assert(value != GetMaximumSize(element, new Size(-7109, -7107)),
"PERF: Caller should guard against setting MaximumSize to original value.");
element.Properties.SetSize(_maximumSizeProperty, value);
// Element bounds may need to truncated to new maximum
//
Rectangle bounds = element.Bounds;
bounds.Width = Math.Min(bounds.Width, value.Width);
bounds.Height = Math.Min(bounds.Height, value.Height);
element.SetBounds(bounds, BoundsSpecified.Size);
// element.SetBounds does a SetBoundsCore. We still need to explicitly refresh parent layout.
LayoutTransaction.DoLayout(element.Container, element, PropertyNames.MaximumSize);
Debug.Assert(GetMaximumSize(element, new Size(-7109, -7107)) == value, "Error detected setting MaximumSize.");
}
public static void SetAnchor(IArrangedElement element, AnchorStyles value)
{
AnchorStyles oldValue = GetAnchor(element);
if (oldValue != value)
{
if (CommonProperties.GetNeedsDockLayout(element))
{
// We set dock back to none to cause the element to size back to its original bounds.
SetDock(element, DockStyle.None);
}
CommonProperties.xSetAnchor(element, value);
// Updating AnchorInfo is only needed when control is ready for layout. Oneway to check this precondition is to
// check if the control is parented. This helps avoid calculating AnchorInfo with default initial values of the Control.
// AnchorInfo is recalculated everytime there is a layout change.
if (CommonProperties.GetNeedsAnchorLayout(element) && element is Control control && control.Parent is not null)
{
UpdateAnchorInfo(element);
}
else
{
SetAnchorInfo(element, null);
}
if (element.Container is not null)
{
bool rightReleased = IsAnchored(oldValue, AnchorStyles.Right) && !IsAnchored(value, AnchorStyles.Right);
bool bottomReleased = IsAnchored(oldValue, AnchorStyles.Bottom) && !IsAnchored(value, AnchorStyles.Bottom);
if (element.Container.Container is not null && (rightReleased || bottomReleased))
{
// If the right or bottom anchor is being released, we have a special case where the element's
// margin may affect preferredSize where it didn't previously. Rather than do an expensive
// check for this in OnLayout, we just detect the case her and force a relayout.
LayoutTransaction.DoLayout(element.Container.Container, element, PropertyNames.Anchor);
}
LayoutTransaction.DoLayout(element.Container, element, PropertyNames.Anchor);
}
}
public static void SetAnchor(IArrangedElement container, IArrangedElement element, AnchorStyles value)
{
AnchorStyles oldValue = GetAnchor(element);
if (oldValue != value)
{
if (CommonProperties.GetNeedsDockLayout(element))
{
// We set dock back to none to cause the element to size back to its original bounds.
SetDock(element, DockStyle.None);
}
CommonProperties.xSetAnchor(element, value);
if (CommonProperties.GetNeedsAnchorLayout(element))
{
UpdateAnchorInfo(element);
}
else
{
SetAnchorInfo(element, null);
}
if (element.Container != null)
{
bool rightReleased = IsAnchored(oldValue, AnchorStyles.Right) && !IsAnchored(value, AnchorStyles.Right);
bool bottomReleased = IsAnchored(oldValue, AnchorStyles.Bottom) && !IsAnchored(value, AnchorStyles.Bottom);
if (element.Container.Container != null && (rightReleased || bottomReleased))
{
// If the right or bottom anchor is being released, we have a special case where the element's
// margin may affect preferredSize where it didn't previously. Rather than do an expensive
// check for this in OnLayout, we just detect the case her and force a relayout.
LayoutTransaction.DoLayout(element.Container.Container, element, PropertyNames.Anchor);
}
LayoutTransaction.DoLayout(element.Container, element, PropertyNames.Anchor);
}
}
}
public static void SetWrapContents(IArrangedElement container, bool value)
{
container.Properties.SetInteger(_wrapContentsProperty, value ? 0 : 1); // set to 0 if true, 1 if false
LayoutTransaction.DoLayout(container, container, PropertyNames.WrapContents);
Debug.Assert(GetWrapContents(container) == value, "GetWrapContents should return the same value as we set");
}
internal static void SetMargin(IArrangedElement element, Padding value)
{
element.Properties.SetPadding(_marginProperty, value);
LayoutTransaction.DoLayout(element.Container, element, PropertyNames.Margin);
}
public static void SetWrapContents(IArrangedElement container, bool value)
{
container.Properties.SetInteger(_wrapContentsProperty, value ? 0 : 1);
LayoutTransaction.DoLayout(container, container, PropertyNames.WrapContents);
}
private void OnAdd(ISupportToolStripPanel controlToBeDragged, int index)
{
if (this.owner != null)
{
LayoutTransaction transaction = null;
if ((this.ToolStripPanel != null) && (this.ToolStripPanel.ParentInternal != null))
{
transaction = new LayoutTransaction(this.ToolStripPanel, this.ToolStripPanel.ParentInternal, PropertyNames.Parent);
}
try
{
if (controlToBeDragged != null)
{
controlToBeDragged.ToolStripPanelRow = this.owner;
Control control = controlToBeDragged as Control;
if (control != null)
{
control.ParentInternal = this.owner.ToolStripPanel;
this.owner.OnControlAdded(control, index);
}
}
}
finally
{
if (transaction != null)
{
transaction.Dispose();
}
}
}
}