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feat: advanced dialog layout.

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This commit is contained in:
rabbitism
2024-02-02 19:58:52 +08:00
parent 6e8ab8c16d
commit 75503b8055
9 changed files with 260 additions and 32 deletions
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167
src/Ursa/Controls/Dialog/OverlayDialogHost.cs
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@@ -1,4 +1,5 @@
using Avalonia;
using Avalonia.Animation;
using Avalonia.Controls;
using Avalonia.Controls.Primitives;
using Avalonia.Controls.Templates;
@@ -21,6 +22,7 @@ public class OverlayDialogHost : Canvas
public DataTemplates DialogDataTemplates { get; set; } = new DataTemplates();
public Thickness SnapThickness { get; set; } = new Thickness(0);
public static readonly StyledProperty<IBrush?> OverlayMaskBrushProperty =
AvaloniaProperty.Register<OverlayDialogHost, IBrush?>(
@@ -56,7 +58,7 @@ public class OverlayDialogHost : Canvas
{
int i = _masks.IndexOf(border);
DialogControl dialog = _modalDialogs[i];
dialog.Close();
dialog.CloseDialog();
border.RemoveHandler(PointerReleasedEvent, ClickBorderToCloseDialog);
}
}
@@ -75,6 +77,44 @@ public class OverlayDialogHost : Canvas
_masks[i].Width = this.Bounds.Width;
_masks[i].Height = this.Bounds.Height;
}
var oldSize = e.PreviousSize;
var newSize = e.NewSize;
foreach (var dialog in _dialogs)
{
ResetDialogPosition(dialog, oldSize, newSize);
}
foreach (var modalDialog in _modalDialogs)
{
ResetDialogPosition(modalDialog, oldSize, newSize);
}
}
private void ResetDialogPosition(DialogControl control, Size oldSize, Size newSize)
{
var width = newSize.Width - control.Bounds.Width;
var height = newSize.Height - control.Bounds.Height;
var newLeft = width * control.HorizontalOffsetRatio??0;
var newTop = height * control.VerticalOffsetRatio??0;
if(control.ActualHorizontalAnchor == HorizontalPosition.Left)
{
newLeft = 0;
}
if (control.ActualHorizontalAnchor == HorizontalPosition.Right)
{
newLeft = newSize.Width - control.Bounds.Width;
}
if (control.ActualVerticalAnchor == VerticalPosition.Top)
{
newTop = 0;
}
if (control.ActualVerticalAnchor == VerticalPosition.Bottom)
{
newTop = newSize.Height - control.Bounds.Height;
}
SetLeft(control, Math.Max(0.0, newLeft));
SetTop(control, Math.Max(0.0, newTop));
}
protected override void OnDetachedFromVisualTree(VisualTreeAttachmentEventArgs e)
@@ -85,7 +125,6 @@ public class OverlayDialogHost : Canvas
protected override void OnPointerMoved(PointerEventArgs e)
{
base.OnPointerMoved(e);
if (e.Source is DialogControl item)
{
if (e.GetCurrentPoint(this).Properties.IsLeftButtonPressed)
@@ -95,28 +134,35 @@ public class OverlayDialogHost : Canvas
var top = p.Y - _lastPoint.Y;
left = MathUtilities.Clamp(left, 0, Bounds.Width - item.Bounds.Width);
top = MathUtilities.Clamp(top, 0, Bounds.Height - item.Bounds.Height);
Canvas.SetLeft(item, left);
Canvas.SetTop(item, top);
SetLeft(item, left);
SetTop(item, top);
}
}
}
protected override void OnPointerPressed(PointerPressedEventArgs e)
{
// base.OnPointerPressed(e);
if (e.Source is DialogControl item)
{
_lastPoint = e.GetPosition(item);
}
}
protected override void OnPointerReleased(PointerReleasedEventArgs e)
{
if (e.Source is DialogControl item)
{
AnchorDialog(item);
}
}
internal void AddDialog(DialogControl control)
{
this.Children.Add(control);
_dialogs.Add(control);
control.Measure(this.Bounds.Size);
control.Arrange(new Rect(control.DesiredSize));
SetToCenter(control);
SetToPosition(control);
control.DialogControlClosing += OnDialogControlClosing;
control.LayerChanged += OnDialogLayerChanged;
ResetZIndices();
@@ -126,7 +172,7 @@ public class OverlayDialogHost : Canvas
{
if (sender is DialogControl control)
{
this.Children.Remove(control);
Children.Remove(control);
control.DialogControlClosing -= OnDialogControlClosing;
control.LayerChanged -= OnDialogLayerChanged;
if (_dialogs.Contains(control))
@@ -170,7 +216,7 @@ public class OverlayDialogHost : Canvas
this.Children.Add(control);
control.Measure(this.Bounds.Size);
control.Arrange(new Rect(control.DesiredSize));
SetToCenter(control);
SetToPosition(control);
control.DialogControlClosing += OnDialogControlClosing;
control.LayerChanged += OnDialogLayerChanged;
}
@@ -232,16 +278,105 @@ public class OverlayDialogHost : Canvas
}
}
private void SetToCenter(DialogControl? control)
private void SetToPosition(DialogControl? control)
{
// return;
if (control is null) return;
double left = (this.Bounds.Width - control.Bounds.Width) / 2;
double top = (this.Bounds.Height - control.Bounds.Height) / 2;
left = MathUtilities.Clamp(left, 0, Bounds.Width);
top = MathUtilities.Clamp(top, 0, Bounds.Height);
Canvas.SetLeft(control, left);
Canvas.SetTop(control, top);
double left = GetLeftPosition(control);
double top = GetTopPosition(control);
SetLeft(control, left);
SetTop(control, top);
AnchorDialog(control);
}
private void AnchorDialog(DialogControl control)
{
control.ActualHorizontalAnchor = HorizontalPosition.Center;
control.ActualVerticalAnchor = VerticalPosition.Center;
double left = GetLeft(control);
double top = GetTop(control);
double right = Bounds.Width - left - control.Bounds.Width;
double bottom = Bounds.Height - top - control.Bounds.Height;
if(top < SnapThickness.Top)
{
SetTop(control, 0);
control.ActualVerticalAnchor = VerticalPosition.Top;
control.VerticalOffsetRatio = 0;
}
if(bottom > Bounds.Height - SnapThickness.Bottom)
{
SetTop(control, Bounds.Height - control.Bounds.Height);
control.ActualVerticalAnchor = VerticalPosition.Bottom;
control.VerticalOffsetRatio = 1;
}
if(left < SnapThickness.Left)
{
SetLeft(control, 0);
control.ActualHorizontalAnchor = HorizontalPosition.Left;
control.HorizontalOffsetRatio = 0;
}
if(right > Bounds.Width - SnapThickness.Right)
{
SetLeft(control, Bounds.Width - control.Bounds.Width);
control.ActualHorizontalAnchor = HorizontalPosition.Right;
control.HorizontalOffsetRatio = 1;
}
left = GetLeft(control);
top = GetTop(control);
right = Bounds.Width - left - control.Bounds.Width;
bottom = Bounds.Height - top - control.Bounds.Height;
control.HorizontalOffsetRatio = left / (left + right);
control.VerticalOffsetRatio = top / (top + bottom);
}
private double GetLeftPosition(DialogControl control)
{
double left = 0;
double offset = Math.Max(0, control.HorizontalOffset ?? 0);
left = this.Bounds.Width - control.Bounds.Width;
if (control.HorizontalAnchor == HorizontalPosition.Center)
{
left *= 0.5;
(double min, double max) = MathUtilities.GetMinMax(0, Bounds.Width * 0.5);
left = MathUtilities.Clamp(left, min, max);
}
else if (control.HorizontalAnchor == HorizontalPosition.Left)
{
(double min, double max) = MathUtilities.GetMinMax(0, offset);
left = MathUtilities.Clamp(left, min, max);
}
else if (control.HorizontalAnchor == HorizontalPosition.Right)
{
double leftOffset = Bounds.Width - control.Bounds.Width - offset;
leftOffset = Math.Max(0, leftOffset);
if(control.HorizontalOffset.HasValue)
{
left = MathUtilities.Clamp(left, 0, leftOffset);
}
}
return left;
}
private double GetTopPosition(DialogControl control)
{
double top = 0;
double offset = Math.Max(0, control.VerticalOffset ?? 0);
top = this.Bounds.Height - control.Bounds.Height;
if (control.VerticalAnchor == VerticalPosition.Center)
{
top *= 0.5;
(double min, double max) = MathUtilities.GetMinMax(0, Bounds.Height * 0.5);
top = MathUtilities.Clamp(top, min, max);
}
else if (control.VerticalAnchor == VerticalPosition.Top)
{
top = MathUtilities.Clamp(top, 0, offset);
}
else if (control.VerticalAnchor == VerticalPosition.Bottom)
{
var topOffset = Math.Max(0, Bounds.Height - control.Bounds.Height - offset);
top = MathUtilities.Clamp(top, 0, topOffset);
}
return top;
}
internal IDataTemplate? GetDataTemplate(object? o)