diff --git a/Examples/UICatalog/Resources/config.json b/Examples/UICatalog/Resources/config.json
index 74586e878..cc7b5009f 100644
--- a/Examples/UICatalog/Resources/config.json
+++ b/Examples/UICatalog/Resources/config.json
@@ -9,6 +9,7 @@
"Themes": [
{
"Hot Dog Stand": {
+ "Glyphs.WideGlyphReplacement": "①",
"Schemes": [
{
"Runnable": {
@@ -134,7 +135,7 @@
}
},
{
- "UI Catalog Theme": {
+ "UI Catalog": {
"Window.DefaultShadow": "Transparent",
"Button.DefaultShadow": "None",
"CheckBox.DefaultHighlightStates": "In, Pressed, PressedOutside",
diff --git a/Examples/UICatalog/Scenarios/Adornments.cs b/Examples/UICatalog/Scenarios/Adornments.cs
index 6dd491f65..453ee2478 100644
--- a/Examples/UICatalog/Scenarios/Adornments.cs
+++ b/Examples/UICatalog/Scenarios/Adornments.cs
@@ -19,6 +19,7 @@ public class Adornments : Scenario
var editor = new AdornmentsEditor
{
+ BorderStyle = LineStyle.Single,
AutoSelectViewToEdit = true,
// This is for giggles, to show that the editor can be moved around.
diff --git a/Examples/UICatalog/Scenarios/EditorsAndHelpers/AdornmentEditor.cs b/Examples/UICatalog/Scenarios/EditorsAndHelpers/AdornmentEditor.cs
index 907cbb42e..f4339b801 100644
--- a/Examples/UICatalog/Scenarios/EditorsAndHelpers/AdornmentEditor.cs
+++ b/Examples/UICatalog/Scenarios/EditorsAndHelpers/AdornmentEditor.cs
@@ -1,6 +1,4 @@
#nullable enable
-using System;
-
namespace UICatalog.Scenarios;
///
@@ -57,11 +55,13 @@ public class AdornmentEditor : EditorBase
_bottomEdit!.Value = _adornment.Thickness.Bottom;
_rightEdit!.Value = _adornment.Thickness.Right;
- _adornment.Initialized += (sender, args) =>
+ _adornment.Initialized += (_, _) =>
{
- Scheme? cs = _adornment.GetScheme ();
- _foregroundColorPicker.SelectedColor = _adornment.GetAttributeForRole (VisualRole.Normal).Foreground.GetClosestNamedColor16 ();
- _backgroundColorPicker.SelectedColor = _adornment.GetAttributeForRole (VisualRole.Normal).Background.GetClosestNamedColor16 ();
+ _foregroundColorPicker.SelectedColor =
+ _adornment.GetAttributeForRole (VisualRole.Normal).Foreground.GetClosestNamedColor16 ();
+
+ _backgroundColorPicker.SelectedColor =
+ _adornment.GetAttributeForRole (VisualRole.Normal).Background.GetClosestNamedColor16 ();
};
}
@@ -125,12 +125,12 @@ public class AdornmentEditor : EditorBase
_bottomEdit.ValueChanging += Bottom_ValueChanging;
Add (_bottomEdit);
- var copyTop = new Button
+ Button copyTop = new ()
{
X = Pos.Center (), Y = Pos.Bottom (_bottomEdit), Text = "Cop_y Top"
};
- copyTop.Accepting += (s, e) =>
+ copyTop.Accepting += (_, _) =>
{
AdornmentToEdit!.Thickness = new (_topEdit.Value);
_leftEdit.Value = _rightEdit.Value = _bottomEdit.Value = _topEdit.Value;
@@ -168,9 +168,9 @@ public class AdornmentEditor : EditorBase
_diagThicknessCheckBox.CheckedState = Diagnostics.FastHasFlags (ViewDiagnosticFlags.Thickness) ? CheckState.Checked : CheckState.UnChecked;
}
- _diagThicknessCheckBox.CheckedStateChanging += (s, e) =>
+ _diagThicknessCheckBox.CheckedStateChanging += (_, args) =>
{
- if (e.Result == CheckState.Checked)
+ if (args.Result == CheckState.Checked)
{
AdornmentToEdit!.Diagnostics |= ViewDiagnosticFlags.Thickness;
}
@@ -194,9 +194,9 @@ public class AdornmentEditor : EditorBase
_diagRulerCheckBox.CheckedState = Diagnostics.FastHasFlags (ViewDiagnosticFlags.Ruler) ? CheckState.Checked : CheckState.UnChecked;
}
- _diagRulerCheckBox.CheckedStateChanging += (s, e) =>
+ _diagRulerCheckBox.CheckedStateChanging += (_, args) =>
{
- if (e.Result == CheckState.Checked)
+ if (args.Result == CheckState.Checked)
{
AdornmentToEdit!.Diagnostics |= ViewDiagnosticFlags.Ruler;
}
@@ -212,18 +212,19 @@ public class AdornmentEditor : EditorBase
private EventHandler> ColorPickerColorChanged ()
{
- return (o, a) =>
+ return (_, _) =>
{
if (AdornmentToEdit is null)
{
return;
}
- AdornmentToEdit.SetScheme (new (AdornmentToEdit.GetScheme ())
- {
- Normal = new (_foregroundColorPicker.SelectedColor, _backgroundColorPicker.SelectedColor)
- })
- ;
+ AdornmentToEdit.SetScheme (
+ new (AdornmentToEdit.GetScheme ())
+ {
+ Normal = new (_foregroundColorPicker.SelectedColor, _backgroundColorPicker.SelectedColor)
+ })
+ ;
};
}
diff --git a/Examples/UICatalog/Scenarios/EditorsAndHelpers/AdornmentsEditor.cs b/Examples/UICatalog/Scenarios/EditorsAndHelpers/AdornmentsEditor.cs
index 30c3ffda4..b65169f5d 100644
--- a/Examples/UICatalog/Scenarios/EditorsAndHelpers/AdornmentsEditor.cs
+++ b/Examples/UICatalog/Scenarios/EditorsAndHelpers/AdornmentsEditor.cs
@@ -14,8 +14,6 @@ public class AdornmentsEditor : EditorBase
TabStop = TabBehavior.TabGroup;
- ExpanderButton!.Orientation = Orientation.Horizontal;
-
Initialized += AdornmentsEditor_Initialized;
SchemeName = "Dialog";
@@ -28,8 +26,6 @@ public class AdornmentsEditor : EditorBase
///
protected override void OnViewToEditChanged ()
{
- //Enabled = ViewToEdit is not Adornment;
-
if (MarginEditor is { })
{
MarginEditor.AdornmentToEdit = ViewToEdit?.Margin ?? null;
@@ -47,7 +43,7 @@ public class AdornmentsEditor : EditorBase
if (Padding is { })
{
- Padding.Text = $"View: {GetIdentifyingString (ViewToEdit)}";
+ Padding.Text = GetIdentifyingString (ViewToEdit);
}
}
@@ -92,12 +88,17 @@ public class AdornmentsEditor : EditorBase
private void AdornmentsEditor_Initialized (object? sender, EventArgs e)
{
+ if (ExpanderButton is { })
+ {
+ ExpanderButton.Orientation = Orientation.Horizontal;
+ }
+
MarginEditor = new ()
{
X = -1,
Y = 0,
SuperViewRendersLineCanvas = true,
- BorderStyle = LineStyle.Single
+ BorderStyle = BorderStyle
};
MarginEditor.Border!.Thickness = MarginEditor.Border!.Thickness with { Bottom = 0 };
Add (MarginEditor);
@@ -107,7 +108,7 @@ public class AdornmentsEditor : EditorBase
X = Pos.Left (MarginEditor),
Y = Pos.Bottom (MarginEditor),
SuperViewRendersLineCanvas = true,
- BorderStyle = LineStyle.Single
+ BorderStyle = BorderStyle
};
BorderEditor.Border!.Thickness = BorderEditor.Border!.Thickness with { Bottom = 0 };
Add (BorderEditor);
@@ -117,7 +118,7 @@ public class AdornmentsEditor : EditorBase
X = Pos.Left (BorderEditor),
Y = Pos.Bottom (BorderEditor),
SuperViewRendersLineCanvas = true,
- BorderStyle = LineStyle.Single
+ BorderStyle = BorderStyle
};
PaddingEditor.Border!.Thickness = PaddingEditor.Border!.Thickness with { Bottom = 0 };
Add (PaddingEditor);
diff --git a/Examples/UICatalog/Scenarios/EditorsAndHelpers/AllViewsView.cs b/Examples/UICatalog/Scenarios/EditorsAndHelpers/AllViewsView.cs
index f8f78ac6f..b495cc200 100644
--- a/Examples/UICatalog/Scenarios/EditorsAndHelpers/AllViewsView.cs
+++ b/Examples/UICatalog/Scenarios/EditorsAndHelpers/AllViewsView.cs
@@ -77,7 +77,7 @@ public class AllViewsView : View
View? previousView = null;
- foreach (Type? type in allClasses)
+ foreach (Type type in allClasses)
{
View? view = CreateView (type);
@@ -118,15 +118,8 @@ public class AllViewsView : View
// Check if the generic parameter has constraints
Type [] constraints = arg.GetGenericParameterConstraints ();
- if (constraints.Length > 0)
- {
- // Use the first constraint type to satisfy the constraint
- typeArguments.Add (constraints [0]);
- }
- else
- {
- typeArguments.Add (typeof (object));
- }
+ // Use the first constraint type to satisfy the constraint
+ typeArguments.Add (constraints.Length > 0 ? constraints [0] : typeof (object));
}
}
@@ -193,17 +186,17 @@ public class AllViewsView : View
return;
}
- if (view.Width == Dim.Absolute (0) || view.Width is null)
+ if (view.Width == Dim.Absolute (0))
{
view.Width = Dim.Fill ();
}
- if (view.Height == Dim.Absolute (0) || view.Height is null)
+ if (view.Height == Dim.Absolute (0))
{
view.Height = MAX_VIEW_FRAME_HEIGHT - 2;
}
- if (!view.Width!.Has (out _))
+ if (!view.Width.Has (out _))
{
view.Width = Dim.Fill ();
}
diff --git a/Examples/UICatalog/Scenarios/EditorsAndHelpers/BorderEditor.cs b/Examples/UICatalog/Scenarios/EditorsAndHelpers/BorderEditor.cs
index ca962eb30..9f1f799cc 100644
--- a/Examples/UICatalog/Scenarios/EditorsAndHelpers/BorderEditor.cs
+++ b/Examples/UICatalog/Scenarios/EditorsAndHelpers/BorderEditor.cs
@@ -1,7 +1,6 @@
#nullable enable
-using System;
-using System.Collections.Generic;
-using System.Linq;
+using System.Reflection;
+using Terminal.Gui.ViewBase;
namespace UICatalog.Scenarios;
@@ -33,10 +32,10 @@ public class BorderEditor : AdornmentEditor
Y = Pos.Bottom (SubViews.ToArray () [^1]),
Width = Dim.Fill (),
- Value = ((Border)AdornmentToEdit!)?.LineStyle ?? LineStyle.None,
+ Value = (AdornmentToEdit as Border)?.LineStyle ?? LineStyle.None,
BorderStyle = LineStyle.Single,
Title = "Border St_yle",
- SuperViewRendersLineCanvas = true,
+ SuperViewRendersLineCanvas = true
};
Add (_osBorderStyle);
@@ -49,7 +48,7 @@ public class BorderEditor : AdornmentEditor
CheckedState = CheckState.Checked,
SuperViewRendersLineCanvas = true,
- Text = "Title",
+ Text = "Title"
};
_ckbTitle.CheckedStateChanging += OnCkbTitleOnToggle;
@@ -62,7 +61,7 @@ public class BorderEditor : AdornmentEditor
CheckedState = CheckState.Checked,
SuperViewRendersLineCanvas = true,
- Text = "Gradient",
+ Text = "Gradient"
};
_ckbGradient.CheckedStateChanging += OnCkbGradientOnToggle;
@@ -72,51 +71,55 @@ public class BorderEditor : AdornmentEditor
void OnRbBorderStyleOnValueChanged (object? s, EventArgs args)
{
- LineStyle prevBorderStyle = AdornmentToEdit!.BorderStyle;
+ if (AdornmentToEdit is not Border border)
+ {
+ return;
+ }
if (args.Value is { })
{
- ((Border)AdornmentToEdit).LineStyle = (LineStyle)args.Value;
+ border.LineStyle = (LineStyle)args.Value;
}
- if (((Border)AdornmentToEdit).LineStyle == LineStyle.None)
- {
- ((Border)AdornmentToEdit).Thickness = new (0);
- }
- else if (prevBorderStyle == LineStyle.None && ((Border)AdornmentToEdit).LineStyle != LineStyle.None)
- {
- ((Border)AdornmentToEdit).Thickness = new (1);
- }
-
- ((Border)AdornmentToEdit).SetNeedsDraw ();
+ border.SetNeedsDraw ();
SetNeedsLayout ();
}
void OnCkbTitleOnToggle (object? _, ResultEventArgs args)
{
+ if (AdornmentToEdit is not Border border)
+ {
+ return;
+ }
+
if (args.Result == CheckState.Checked)
{
- ((Border)AdornmentToEdit!).Settings |= BorderSettings.Title;
+ border.Settings |= BorderSettings.Title;
}
else
{
- ((Border)AdornmentToEdit!).Settings &= ~BorderSettings.Title;
+ border.Settings &= ~BorderSettings.Title;
}
}
void OnCkbGradientOnToggle (object? _, ResultEventArgs args)
{
+ if (AdornmentToEdit is not Border border)
+ {
+ return;
+ }
+
if (args.Result == CheckState.Checked)
{
- ((Border)AdornmentToEdit!).Settings |= BorderSettings.Gradient;
+ border.Settings |= BorderSettings.Gradient;
}
else
{
- ((Border)AdornmentToEdit!).Settings &= ~BorderSettings.Gradient;
+ border.Settings &= ~BorderSettings.Gradient;
}
}
}
diff --git a/Examples/UICatalog/Scenarios/EditorsAndHelpers/DimEditor.cs b/Examples/UICatalog/Scenarios/EditorsAndHelpers/DimEditor.cs
index 7f1f795c9..b8e28730c 100644
--- a/Examples/UICatalog/Scenarios/EditorsAndHelpers/DimEditor.cs
+++ b/Examples/UICatalog/Scenarios/EditorsAndHelpers/DimEditor.cs
@@ -1,8 +1,5 @@
#nullable enable
-using System;
-using System.Collections.Generic;
using System.Diagnostics;
-using System.Linq;
namespace UICatalog.Scenarios;
@@ -21,7 +18,7 @@ public class DimEditor : EditorBase
private OptionSelector? _dimOptionSelector;
private TextField? _valueEdit;
- ///
+ ///
protected override void OnViewToEditChanged ()
{
if (ViewToEdit is { })
@@ -39,12 +36,11 @@ public class DimEditor : EditorBase
return;
}
- Dim? dim;
- dim = Dimension == Dimension.Width ? ViewToEdit.Width : ViewToEdit.Height;
+ Dim dim = Dimension == Dimension.Width ? ViewToEdit.Width : ViewToEdit.Height;
try
{
- _dimOptionSelector!.Value = _dimNames.IndexOf (_dimNames.First (s => dim!.ToString ().StartsWith (s)));
+ _dimOptionSelector!.Value = _dimNames.IndexOf (_dimNames.First (s => dim.ToString ().StartsWith (s)));
}
catch (InvalidOperationException e)
{
@@ -53,31 +49,37 @@ public class DimEditor : EditorBase
}
_valueEdit!.Enabled = false;
+
switch (dim)
{
case DimAbsolute absolute:
_valueEdit.Enabled = true;
_value = absolute.Size;
_valueEdit!.Text = _value.ToString ();
+
break;
case DimFill fill:
var margin = fill.Margin as DimAbsolute;
_valueEdit.Enabled = margin is { };
_value = margin?.Size ?? 0;
_valueEdit!.Text = _value.ToString ();
+
break;
case DimFunc func:
_valueEdit.Enabled = true;
_value = func.Fn (null);
_valueEdit!.Text = _value.ToString ();
+
break;
case DimPercent percent:
_valueEdit.Enabled = true;
_value = percent.Percentage;
_valueEdit!.Text = _value.ToString ();
+
break;
default:
- _valueEdit!.Text = dim!.ToString ();
+ _valueEdit!.Text = dim.ToString ();
+
break;
}
}
@@ -94,6 +96,7 @@ public class DimEditor : EditorBase
Add (label);
_dimOptionSelector = new () { X = 0, Y = Pos.Bottom (label), Labels = _optionLabels };
_dimOptionSelector.ValueChanged += OnOptionSelectorOnValueChanged;
+
_valueEdit = new ()
{
X = Pos.Right (label) + 1,
@@ -102,30 +105,30 @@ public class DimEditor : EditorBase
Text = $"{_value}"
};
- _valueEdit.Accepting += (s, args) =>
- {
- try
- {
- _value = int.Parse (_valueEdit.Text);
- DimChanged ();
- }
- catch
- {
- // ignored
- }
- args.Handled = true;
- };
+ _valueEdit.Accepting += (_, args) =>
+ {
+ try
+ {
+ _value = int.Parse (_valueEdit.Text);
+ DimChanged ();
+ }
+ catch
+ {
+ // ignored
+ }
+
+ args.Handled = true;
+ };
Add (_valueEdit);
Add (_dimOptionSelector);
-
}
private void OnOptionSelectorOnValueChanged (object? s, EventArgs selected) { DimChanged (); }
- // These need to have same order
- private readonly List _dimNames = ["Absolute", "Auto", "Fill", "Func", "Percent",];
- private readonly string [] _optionLabels = ["Absolute(n)", "Auto", "Fill(n)", "Func(()=>n)", "Percent(n)",];
+ // These need to have same order
+ private readonly List _dimNames = ["Absolute", "Auto", "Fill", "Func", "Percent"];
+ private readonly string [] _optionLabels = ["Absolute(n)", "Auto", "Fill(n)", "Func(()=>n)", "Percent(n)"];
private void DimChanged ()
{
@@ -136,15 +139,15 @@ public class DimEditor : EditorBase
try
{
- Dim? dim = _dimOptionSelector!.Value switch
- {
- 0 => Dim.Absolute (_value),
- 1 => Dim.Auto (),
- 2 => Dim.Fill (_value),
- 3 => Dim.Func (_ => _value),
- 4 => Dim.Percent (_value),
- _ => Dimension == Dimension.Width ? ViewToEdit.Width : ViewToEdit.Height
- };
+ Dim dim = _dimOptionSelector!.Value switch
+ {
+ 0 => Dim.Absolute (_value),
+ 1 => Dim.Auto (),
+ 2 => Dim.Fill (_value),
+ 3 => Dim.Func (_ => _value),
+ 4 => Dim.Percent (_value),
+ _ => Dimension == Dimension.Width ? ViewToEdit.Width : ViewToEdit.Height
+ };
if (Dimension == Dimension.Width)
{
diff --git a/Examples/UICatalog/Scenarios/EditorsAndHelpers/EditorBase.cs b/Examples/UICatalog/Scenarios/EditorsAndHelpers/EditorBase.cs
index b4c548d0c..9556be4a2 100644
--- a/Examples/UICatalog/Scenarios/EditorsAndHelpers/EditorBase.cs
+++ b/Examples/UICatalog/Scenarios/EditorsAndHelpers/EditorBase.cs
@@ -1,8 +1,4 @@
#nullable enable
-using System;
-using System.Diagnostics;
-using System.Linq;
-
namespace UICatalog.Scenarios;
public abstract class EditorBase : View
@@ -19,36 +15,21 @@ public abstract class EditorBase : View
Orientation = Orientation.Vertical
};
-
TabStop = TabBehavior.TabStop;
Initialized += OnInitialized;
void OnInitialized (object? sender, EventArgs e)
{
- if (Border is { })
- {
- Border.Add (ExpanderButton);
-
- if (ExpanderButton.Orientation == Orientation.Vertical)
- {
- ExpanderButton.X = Pos.AnchorEnd () - 1;
- }
- else
- {
- ExpanderButton.Y = Pos.AnchorEnd () - 1;
- }
- }
-
- Application.MouseEvent += ApplicationOnMouseEvent;
- Application.Navigation!.FocusedChanged += NavigationOnFocusedChanged;
+ Border?.Add (ExpanderButton);
+ App!.Mouse.MouseEvent += ApplicationOnMouseEvent;
+ App!.Navigation!.FocusedChanged += NavigationOnFocusedChanged;
}
AddCommand (Command.Accept, () => true);
SchemeName = "Dialog";
-
}
private readonly ExpanderButton? _expanderButton;
@@ -58,15 +39,16 @@ public abstract class EditorBase : View
get => _expanderButton;
init
{
- if (_expanderButton == value)
+ if (ReferenceEquals (_expanderButton, value))
{
return;
}
+
_expanderButton = value;
}
}
- public bool UpdatingLayoutSettings { get; private set; } = false;
+ public bool UpdatingLayoutSettings { get; private set; }
private void View_LayoutComplete (object? sender, LayoutEventArgs e)
{
@@ -77,7 +59,6 @@ public abstract class EditorBase : View
UpdatingLayoutSettings = false;
}
-
private View? _viewToEdit;
public View? ViewToEdit
@@ -90,7 +71,6 @@ public abstract class EditorBase : View
return;
}
-
if (value is null && _viewToEdit is { })
{
_viewToEdit.SubViewsLaidOut -= View_LayoutComplete;
@@ -127,7 +107,6 @@ public abstract class EditorBase : View
///
public bool AutoSelectAdornments { get; set; }
-
private void NavigationOnFocusedChanged (object? sender, EventArgs e)
{
if (AutoSelectSuperView is null)
@@ -135,17 +114,17 @@ public abstract class EditorBase : View
return;
}
- if (ApplicationNavigation.IsInHierarchy (this, Application.Navigation!.GetFocused ()))
+ if (ApplicationNavigation.IsInHierarchy (this, App?.Navigation?.GetFocused ()))
{
return;
}
- if (!ApplicationNavigation.IsInHierarchy (AutoSelectSuperView, Application.Navigation!.GetFocused ()))
+ if (!ApplicationNavigation.IsInHierarchy (AutoSelectSuperView, App?.Navigation?.GetFocused ()))
{
return;
}
- ViewToEdit = Application.Navigation!.GetFocused ();
+ ViewToEdit = App!.Navigation!.GetFocused ();
}
private void ApplicationOnMouseEvent (object? sender, MouseEventArgs e)
@@ -177,4 +156,16 @@ public abstract class EditorBase : View
ViewToEdit = view;
}
}
+
+ ///
+ protected override void Dispose (bool disposing)
+ {
+ if (disposing && App is {})
+ {
+ App.Navigation!.FocusedChanged -= NavigationOnFocusedChanged;
+ App.Mouse.MouseEvent -= ApplicationOnMouseEvent;
+ }
+
+ base.Dispose (disposing);
+ }
}
diff --git a/Examples/UICatalog/Scenarios/EditorsAndHelpers/EventLog.cs b/Examples/UICatalog/Scenarios/EditorsAndHelpers/EventLog.cs
index 4bdd61066..25acdb876 100644
--- a/Examples/UICatalog/Scenarios/EditorsAndHelpers/EventLog.cs
+++ b/Examples/UICatalog/Scenarios/EditorsAndHelpers/EventLog.cs
@@ -1,5 +1,4 @@
#nullable enable
-using System;
using System.Collections.ObjectModel;
namespace UICatalog.Scenarios;
@@ -19,8 +18,7 @@ public class EventLog : ListView
X = Pos.AnchorEnd ();
Y = 0;
- Width = Dim.Func (
- _ =>
+ Width = Dim.Func (_ =>
{
if (!IsInitialized)
{
diff --git a/Examples/UICatalog/Scenarios/EditorsAndHelpers/ExpanderButton.cs b/Examples/UICatalog/Scenarios/EditorsAndHelpers/ExpanderButton.cs
index 13c2aee8a..2630703fa 100644
--- a/Examples/UICatalog/Scenarios/EditorsAndHelpers/ExpanderButton.cs
+++ b/Examples/UICatalog/Scenarios/EditorsAndHelpers/ExpanderButton.cs
@@ -1,5 +1,4 @@
#nullable enable
-using System;
using System.Text;
namespace UICatalog.Scenarios;
@@ -43,14 +42,11 @@ public class ExpanderButton : Button
Orientation = Orientation.Vertical;
- HighlightStates = Terminal.Gui.ViewBase.MouseState.None;
+ HighlightStates = MouseState.In;
Initialized += ExpanderButton_Initialized;
- EnabledChanged += (sender, args) =>
- {
- ShowHide ();
- };
+ EnabledChanged += (_, _) => { ShowHide (); };
}
private void ShowHide ()
@@ -85,7 +81,7 @@ public class ExpanderButton : Button
if (SuperView is Border { } border)
{
- border.ThicknessChanged += (o, args) => ShowHide ();
+ border.ThicknessChanged += (_, _) => ShowHide ();
}
}
@@ -111,7 +107,7 @@ public class ExpanderButton : Button
/// True of the event was cancelled.
protected virtual bool OnOrientationChanging (Orientation newOrientation)
{
- CancelEventArgs args = new CancelEventArgs (in _orientation, ref newOrientation);
+ CancelEventArgs args = new (in _orientation, ref newOrientation);
OrientationChanging?.Invoke (this, args);
if (!args.Cancel)
@@ -120,7 +116,7 @@ public class ExpanderButton : Button
if (Orientation == Orientation.Vertical)
{
- X = Pos.AnchorEnd ();
+ X = Pos.AnchorEnd () - 1;
Y = 0;
CollapseGlyph = new ('\u21d1'); // ⇑
ExpandGlyph = new ('\u21d3'); // ⇓
@@ -128,7 +124,7 @@ public class ExpanderButton : Button
else
{
X = 0;
- Y = Pos.AnchorEnd ();
+ Y = Pos.AnchorEnd () - 1;
CollapseGlyph = new ('\u21d0'); // ⇐
ExpandGlyph = new ('\u21d2'); // ⇒
}
@@ -222,12 +218,12 @@ public class ExpanderButton : Button
// Collapse
if (Orientation == Orientation.Vertical)
{
- _previousDim = superView!.Height!;
+ _previousDim = superView.Height;
superView.Height = 1;
}
else
{
- _previousDim = superView!.Width!;
+ _previousDim = superView.Width;
superView.Width = 1;
}
}
diff --git a/Examples/UICatalog/Scenarios/EditorsAndHelpers/LayoutEditor.cs b/Examples/UICatalog/Scenarios/EditorsAndHelpers/LayoutEditor.cs
index cb84ac31d..a0034ee2a 100644
--- a/Examples/UICatalog/Scenarios/EditorsAndHelpers/LayoutEditor.cs
+++ b/Examples/UICatalog/Scenarios/EditorsAndHelpers/LayoutEditor.cs
@@ -1,8 +1,4 @@
#nullable enable
-using System;
-using System.Collections.Generic;
-using System.Linq;
-
namespace UICatalog.Scenarios;
///
@@ -64,7 +60,6 @@ public class LayoutEditor : EditorBase
X = Pos.Right (_xEditor) + 1
};
-
_widthEditor = new ()
{
Title = "_Width",
diff --git a/Examples/UICatalog/Scenarios/EditorsAndHelpers/MarginEditor.cs b/Examples/UICatalog/Scenarios/EditorsAndHelpers/MarginEditor.cs
index 7d5d0f254..2904171d8 100644
--- a/Examples/UICatalog/Scenarios/EditorsAndHelpers/MarginEditor.cs
+++ b/Examples/UICatalog/Scenarios/EditorsAndHelpers/MarginEditor.cs
@@ -1,6 +1,4 @@
#nullable enable
-using System;
-
namespace UICatalog.Scenarios;
public class MarginEditor : AdornmentEditor
@@ -34,7 +32,7 @@ public class MarginEditor : AdornmentEditor
_optionsShadow = new ()
{
X = 0,
- Y = Pos.Bottom (SubViews.ElementAt(SubViews.Count-1)),
+ Y = Pos.Bottom (SubViews.ElementAt (SubViews.Count - 1)),
SuperViewRendersLineCanvas = true,
Title = "_Shadow",
@@ -51,14 +49,14 @@ public class MarginEditor : AdornmentEditor
Add (_optionsShadow);
- _flagSelectorTransparent = new FlagSelector ()
+ _flagSelectorTransparent = new FlagSelector
{
X = 0,
Y = Pos.Bottom (_optionsShadow),
SuperViewRendersLineCanvas = true,
Title = "_ViewportSettings",
- BorderStyle = LineStyle.Single,
+ BorderStyle = LineStyle.Single
};
_flagSelectorTransparent.Values = [(int)ViewportSettingsFlags.Transparent, (int)ViewportSettingsFlags.TransparentMouse];
_flagSelectorTransparent.Labels = ["Transparent", "TransparentMouse"];
@@ -71,11 +69,6 @@ public class MarginEditor : AdornmentEditor
_flagSelectorTransparent.Value = (int)((Margin)AdornmentToEdit).ViewportSettings;
}
- _flagSelectorTransparent.ValueChanged += (_, args) =>
- {
- ((Margin)AdornmentToEdit!).ViewportSettings = (ViewportSettingsFlags)args.Value!;
- };
-
-
+ _flagSelectorTransparent.ValueChanged += (_, args) => { ((Margin)AdornmentToEdit!).ViewportSettings = (ViewportSettingsFlags)args.Value!; };
}
-}
\ No newline at end of file
+}
diff --git a/Examples/UICatalog/Scenarios/EditorsAndHelpers/PosEditor.cs b/Examples/UICatalog/Scenarios/EditorsAndHelpers/PosEditor.cs
index 467b54756..ae35161e6 100644
--- a/Examples/UICatalog/Scenarios/EditorsAndHelpers/PosEditor.cs
+++ b/Examples/UICatalog/Scenarios/EditorsAndHelpers/PosEditor.cs
@@ -1,8 +1,5 @@
#nullable enable
-using System;
-using System.Collections.Generic;
using System.Diagnostics;
-using System.Linq;
namespace UICatalog.Scenarios;
@@ -102,7 +99,7 @@ public class PosEditor : EditorBase
Text = $"{_value}"
};
- _valueEdit.Accepting += (s, args) =>
+ _valueEdit.Accepting += (_, args) =>
{
try
{
@@ -123,7 +120,7 @@ public class PosEditor : EditorBase
private void OnOptionSelectorOnValueChanged (object? s, EventArgs selected) { PosChanged (); }
- // These need to have same order
+ // These need to have same order
private readonly List _posNames = ["Absolute", "Align", "AnchorEnd", "Center", "Func", "Percent"];
private readonly string [] _optionLabels = ["Absolute(n)", "Align", "AnchorEnd", "Center", "Func(()=>n)", "Percent(n)"];
@@ -136,7 +133,7 @@ public class PosEditor : EditorBase
try
{
- Pos? pos = _posOptionSelector!.Value switch
+ Pos pos = _posOptionSelector!.Value switch
{
0 => Pos.Absolute (_value),
1 => Pos.Align (Alignment.Start),
diff --git a/Examples/UICatalog/Scenarios/EditorsAndHelpers/ViewPropertiesEditor.cs b/Examples/UICatalog/Scenarios/EditorsAndHelpers/ViewPropertiesEditor.cs
index cfca9f433..5b6679bbf 100644
--- a/Examples/UICatalog/Scenarios/EditorsAndHelpers/ViewPropertiesEditor.cs
+++ b/Examples/UICatalog/Scenarios/EditorsAndHelpers/ViewPropertiesEditor.cs
@@ -20,7 +20,7 @@ public class ViewPropertiesEditor : EditorBase
CheckedState = ViewToEdit is { } ? ViewToEdit.CanFocus ? CheckState.Checked : CheckState.UnChecked : CheckState.UnChecked
};
- _canFocusCheckBox.CheckedStateChanged += (s, args) =>
+ _canFocusCheckBox.CheckedStateChanged += (_, _) =>
{
if (ViewToEdit is { })
{
@@ -37,7 +37,7 @@ public class ViewPropertiesEditor : EditorBase
CheckedState = ViewToEdit is { } ? ViewToEdit.Enabled ? CheckState.Checked : CheckState.UnChecked : CheckState.UnChecked
};
- _enabledCheckBox.CheckedStateChanged += (s, args) =>
+ _enabledCheckBox.CheckedStateChanged += (_, _) =>
{
if (ViewToEdit is { })
{
@@ -55,13 +55,13 @@ public class ViewPropertiesEditor : EditorBase
Orientation = Orientation.Horizontal
};
- _orientationOptionSelector.ValueChanged += (s, selected) =>
- {
- if (ViewToEdit is IOrientation orientatedView)
- {
- orientatedView.Orientation = _orientationOptionSelector.Value!.Value;
- }
- };
+ _orientationOptionSelector.ValueChanged += (_, _) =>
+ {
+ if (ViewToEdit is IOrientation orientatedView)
+ {
+ orientatedView.Orientation = _orientationOptionSelector.Value!.Value;
+ }
+ };
Add (label, _orientationOptionSelector);
label = new () { X = 0, Y = Pos.Bottom (_orientationOptionSelector), Text = "Text:" };
@@ -75,7 +75,7 @@ public class ViewPropertiesEditor : EditorBase
Text = "This is demo text"
};
- _text.ContentsChanged += (s, e) =>
+ _text.ContentsChanged += (_, _) =>
{
if (ViewToEdit is { })
{
@@ -90,15 +90,7 @@ public class ViewPropertiesEditor : EditorBase
public string DemoText
{
- get
- {
- if (_text is null)
- {
- return string.Empty;
- }
-
- return _text!.Text;
- }
+ get => _text is null ? string.Empty : _text!.Text;
set => _text!.Text = value;
}
diff --git a/Examples/UICatalog/Scenarios/EditorsAndHelpers/ViewportSettingsEditor.cs b/Examples/UICatalog/Scenarios/EditorsAndHelpers/ViewportSettingsEditor.cs
index e54835989..b7a86feaf 100644
--- a/Examples/UICatalog/Scenarios/EditorsAndHelpers/ViewportSettingsEditor.cs
+++ b/Examples/UICatalog/Scenarios/EditorsAndHelpers/ViewportSettingsEditor.cs
@@ -1,6 +1,4 @@
#nullable enable
-using System;
-
namespace UICatalog.Scenarios;
///
@@ -60,8 +58,8 @@ public sealed class ViewportSettingsEditor : EditorBase
: CheckState.UnChecked;
_cbTransparentMouse!.CheckedState = ViewToEdit.ViewportSettings.HasFlag (ViewportSettingsFlags.TransparentMouse)
- ? CheckState.Checked
- : CheckState.UnChecked;
+ ? CheckState.Checked
+ : CheckState.UnChecked;
_cbVerticalScrollBar!.CheckedState = ViewToEdit.VerticalScrollBar.Visible ? CheckState.Checked : CheckState.UnChecked;
_cbAutoShowVerticalScrollBar!.CheckedState = ViewToEdit.VerticalScrollBar.AutoShow ? CheckState.Checked : CheckState.UnChecked;
@@ -115,27 +113,27 @@ public sealed class ViewportSettingsEditor : EditorBase
Add (_cbAllowXGreaterThanContentWidth);
- void AllowNegativeXToggle (object? sender, ResultEventArgs e)
+ void AllowNegativeXToggle (object? sender, ResultEventArgs rea)
{
- if (e.Result == CheckState.Checked)
+ if (rea.Result == CheckState.Checked)
{
- ViewToEdit!.ViewportSettings |= Terminal.Gui.ViewBase.ViewportSettingsFlags.AllowNegativeX;
+ ViewToEdit!.ViewportSettings |= ViewportSettingsFlags.AllowNegativeX;
}
else
{
- ViewToEdit!.ViewportSettings &= ~Terminal.Gui.ViewBase.ViewportSettingsFlags.AllowNegativeX;
+ ViewToEdit!.ViewportSettings &= ~ViewportSettingsFlags.AllowNegativeX;
}
}
- void AllowXGreaterThanContentWidthToggle (object? sender, ResultEventArgs e)
+ void AllowXGreaterThanContentWidthToggle (object? sender, ResultEventArgs rea)
{
- if (e.Result == CheckState.Checked)
+ if (rea.Result == CheckState.Checked)
{
- ViewToEdit!.ViewportSettings |= Terminal.Gui.ViewBase.ViewportSettingsFlags.AllowXGreaterThanContentWidth;
+ ViewToEdit!.ViewportSettings |= ViewportSettingsFlags.AllowXGreaterThanContentWidth;
}
else
{
- ViewToEdit!.ViewportSettings &= ~Terminal.Gui.ViewBase.ViewportSettingsFlags.AllowXGreaterThanContentWidth;
+ ViewToEdit!.ViewportSettings &= ~ViewportSettingsFlags.AllowXGreaterThanContentWidth;
}
}
@@ -153,27 +151,27 @@ public sealed class ViewportSettingsEditor : EditorBase
Add (_cbAllowYGreaterThanContentHeight);
- void AllowNegativeYToggle (object? sender, ResultEventArgs e)
+ void AllowNegativeYToggle (object? sender, ResultEventArgs rea)
{
- if (e.Result == CheckState.Checked)
+ if (rea.Result == CheckState.Checked)
{
- ViewToEdit!.ViewportSettings |= Terminal.Gui.ViewBase.ViewportSettingsFlags.AllowNegativeY;
+ ViewToEdit!.ViewportSettings |= ViewportSettingsFlags.AllowNegativeY;
}
else
{
- ViewToEdit!.ViewportSettings &= ~Terminal.Gui.ViewBase.ViewportSettingsFlags.AllowNegativeY;
+ ViewToEdit!.ViewportSettings &= ~ViewportSettingsFlags.AllowNegativeY;
}
}
- void AllowYGreaterThanContentHeightToggle (object? sender, ResultEventArgs e)
+ void AllowYGreaterThanContentHeightToggle (object? sender, ResultEventArgs rea)
{
- if (e.Result == CheckState.Checked)
+ if (rea.Result == CheckState.Checked)
{
- ViewToEdit!.ViewportSettings |= Terminal.Gui.ViewBase.ViewportSettingsFlags.AllowYGreaterThanContentHeight;
+ ViewToEdit!.ViewportSettings |= ViewportSettingsFlags.AllowYGreaterThanContentHeight;
}
else
{
- ViewToEdit!.ViewportSettings &= ~Terminal.Gui.ViewBase.ViewportSettingsFlags.AllowYGreaterThanContentHeight;
+ ViewToEdit!.ViewportSettings &= ~ViewportSettingsFlags.AllowYGreaterThanContentHeight;
}
}
@@ -193,17 +191,16 @@ public sealed class ViewportSettingsEditor : EditorBase
};
_contentSizeWidth.ValueChanging += ContentSizeWidthValueChanged;
- void ContentSizeWidthValueChanged (object? sender, CancelEventArgs e)
+ void ContentSizeWidthValueChanged (object? sender, CancelEventArgs cea)
{
- if (e.NewValue < 0)
+ if (cea.NewValue < 0)
{
- e.Cancel = true;
+ cea.Cancel = true;
return;
}
- // BUGBUG: set_ContentSize is supposed to be `protected`.
- ViewToEdit!.SetContentSize (ViewToEdit.GetContentSize () with { Width = e.NewValue });
+ ViewToEdit!.SetContentSize (ViewToEdit.GetContentSize () with { Width = cea.NewValue });
}
var labelComma = new Label
@@ -221,17 +218,16 @@ public sealed class ViewportSettingsEditor : EditorBase
};
_contentSizeHeight.ValueChanging += ContentSizeHeightValueChanged;
- void ContentSizeHeightValueChanged (object? sender, CancelEventArgs e)
+ void ContentSizeHeightValueChanged (object? sender, CancelEventArgs cea)
{
- if (e.NewValue < 0)
+ if (cea.NewValue < 0)
{
- e.Cancel = true;
+ cea.Cancel = true;
return;
}
- // BUGBUG: set_ContentSize is supposed to be `protected`.
- ViewToEdit?.SetContentSize (ViewToEdit.GetContentSize () with { Height = e.NewValue });
+ ViewToEdit?.SetContentSize (ViewToEdit.GetContentSize () with { Height = cea.NewValue });
}
_cbClearContentOnly = new ()
@@ -243,15 +239,15 @@ public sealed class ViewportSettingsEditor : EditorBase
};
_cbClearContentOnly.CheckedStateChanging += ClearContentOnlyToggle;
- void ClearContentOnlyToggle (object? sender, ResultEventArgs e)
+ void ClearContentOnlyToggle (object? sender, ResultEventArgs rea)
{
- if (e.Result == CheckState.Checked)
+ if (rea.Result == CheckState.Checked)
{
- ViewToEdit!.ViewportSettings |= Terminal.Gui.ViewBase.ViewportSettingsFlags.ClearContentOnly;
+ ViewToEdit!.ViewportSettings |= ViewportSettingsFlags.ClearContentOnly;
}
else
{
- ViewToEdit!.ViewportSettings &= ~Terminal.Gui.ViewBase.ViewportSettingsFlags.ClearContentOnly;
+ ViewToEdit!.ViewportSettings &= ~ViewportSettingsFlags.ClearContentOnly;
}
}
@@ -264,15 +260,15 @@ public sealed class ViewportSettingsEditor : EditorBase
};
_cbClipContentOnly.CheckedStateChanging += ClipContentOnlyToggle;
- void ClipContentOnlyToggle (object? sender, ResultEventArgs e)
+ void ClipContentOnlyToggle (object? sender, ResultEventArgs rea)
{
- if (e.Result == CheckState.Checked)
+ if (rea.Result == CheckState.Checked)
{
- ViewToEdit!.ViewportSettings |= Terminal.Gui.ViewBase.ViewportSettingsFlags.ClipContentOnly;
+ ViewToEdit!.ViewportSettings |= ViewportSettingsFlags.ClipContentOnly;
}
else
{
- ViewToEdit!.ViewportSettings &= ~Terminal.Gui.ViewBase.ViewportSettingsFlags.ClipContentOnly;
+ ViewToEdit!.ViewportSettings &= ~ViewportSettingsFlags.ClipContentOnly;
}
}
@@ -285,15 +281,15 @@ public sealed class ViewportSettingsEditor : EditorBase
};
_cbTransparent.CheckedStateChanging += TransparentToggle;
- void TransparentToggle (object? sender, ResultEventArgs e)
+ void TransparentToggle (object? sender, ResultEventArgs rea)
{
- if (e.Result == CheckState.Checked)
+ if (rea.Result == CheckState.Checked)
{
- ViewToEdit!.ViewportSettings |= Terminal.Gui.ViewBase.ViewportSettingsFlags.Transparent;
+ ViewToEdit!.ViewportSettings |= ViewportSettingsFlags.Transparent;
}
else
{
- ViewToEdit!.ViewportSettings &= ~Terminal.Gui.ViewBase.ViewportSettingsFlags.Transparent;
+ ViewToEdit!.ViewportSettings &= ~ViewportSettingsFlags.Transparent;
}
}
@@ -306,15 +302,15 @@ public sealed class ViewportSettingsEditor : EditorBase
};
_cbTransparentMouse.CheckedStateChanging += TransparentMouseToggle;
- void TransparentMouseToggle (object? sender, ResultEventArgs e)
+ void TransparentMouseToggle (object? sender, ResultEventArgs rea)
{
- if (e.Result == CheckState.Checked)
+ if (rea.Result == CheckState.Checked)
{
- ViewToEdit!.ViewportSettings |= Terminal.Gui.ViewBase.ViewportSettingsFlags.TransparentMouse;
+ ViewToEdit!.ViewportSettings |= ViewportSettingsFlags.TransparentMouse;
}
else
{
- ViewToEdit!.ViewportSettings &= ~Terminal.Gui.ViewBase.ViewportSettingsFlags.TransparentMouse;
+ ViewToEdit!.ViewportSettings &= ~ViewportSettingsFlags.TransparentMouse;
}
}
@@ -327,9 +323,9 @@ public sealed class ViewportSettingsEditor : EditorBase
};
_cbVerticalScrollBar.CheckedStateChanging += VerticalScrollBarToggle;
- void VerticalScrollBarToggle (object? sender, ResultEventArgs e)
+ void VerticalScrollBarToggle (object? sender, ResultEventArgs rea)
{
- ViewToEdit!.VerticalScrollBar.Visible = e.Result == CheckState.Checked;
+ ViewToEdit!.VerticalScrollBar.Visible = rea.Result == CheckState.Checked;
}
_cbAutoShowVerticalScrollBar = new ()
@@ -341,9 +337,9 @@ public sealed class ViewportSettingsEditor : EditorBase
};
_cbAutoShowVerticalScrollBar.CheckedStateChanging += AutoShowVerticalScrollBarToggle;
- void AutoShowVerticalScrollBarToggle (object? sender, ResultEventArgs e)
+ void AutoShowVerticalScrollBarToggle (object? sender, ResultEventArgs rea)
{
- ViewToEdit!.VerticalScrollBar.AutoShow = e.Result == CheckState.Checked;
+ ViewToEdit!.VerticalScrollBar.AutoShow = rea.Result == CheckState.Checked;
}
_cbHorizontalScrollBar = new ()
@@ -355,9 +351,9 @@ public sealed class ViewportSettingsEditor : EditorBase
};
_cbHorizontalScrollBar.CheckedStateChanging += HorizontalScrollBarToggle;
- void HorizontalScrollBarToggle (object? sender, ResultEventArgs e)
+ void HorizontalScrollBarToggle (object? sender, ResultEventArgs rea)
{
- ViewToEdit!.HorizontalScrollBar.Visible = e.Result == CheckState.Checked;
+ ViewToEdit!.HorizontalScrollBar.Visible = rea.Result == CheckState.Checked;
}
_cbAutoShowHorizontalScrollBar = new ()
@@ -369,9 +365,9 @@ public sealed class ViewportSettingsEditor : EditorBase
};
_cbAutoShowHorizontalScrollBar.CheckedStateChanging += AutoShowHorizontalScrollBarToggle;
- void AutoShowHorizontalScrollBarToggle (object? sender, ResultEventArgs e)
+ void AutoShowHorizontalScrollBarToggle (object? sender, ResultEventArgs rea)
{
- ViewToEdit!.HorizontalScrollBar.AutoShow = e.Result == CheckState.Checked;
+ ViewToEdit!.HorizontalScrollBar.AutoShow = rea.Result == CheckState.Checked;
}
Add (
diff --git a/Examples/UICatalog/Scenarios/ShadowStyles.cs b/Examples/UICatalog/Scenarios/ShadowStyles.cs
index 25a2a335c..2ca3002d5 100644
--- a/Examples/UICatalog/Scenarios/ShadowStyles.cs
+++ b/Examples/UICatalog/Scenarios/ShadowStyles.cs
@@ -62,6 +62,22 @@ public class ShadowStyles : Scenario
shadowWindow.Add (buttonInWin);
app.Add (shadowWindow);
+ Window shadowWindow2 = new ()
+ {
+
+ Id = "shadowWindow2",
+ X = Pos.Right (editor) + 10,
+ Y = 10,
+ Width = Dim.Percent (30),
+ Height = Dim.Percent (30),
+ Title = "Shadow Window #2",
+ Arrangement = ViewArrangement.Movable | ViewArrangement.Overlapped,
+ BorderStyle = LineStyle.Double,
+ ShadowStyle = ShadowStyle.Transparent,
+ };
+ app.Add (shadowWindow2);
+
+
var button = new Button
{
Id = "button",
@@ -69,6 +85,7 @@ public class ShadowStyles : Scenario
Y = Pos.Center (), Text = "Button",
ShadowStyle = ShadowStyle.Opaque
};
+ button.Accepting += ButtonOnAccepting;
ColorPicker colorPicker = new ()
{
@@ -77,12 +94,12 @@ public class ShadowStyles : Scenario
Id = "colorPicker16",
X = Pos.Center (),
Y = Pos.AnchorEnd (),
- Width = Dim.Percent(80),
+ Width = Dim.Percent (80),
};
colorPicker.ColorChanged += (sender, args) =>
{
var normal = app.GetScheme ().Normal;
- app.SetScheme (app.GetScheme() with {Normal = new Attribute(normal.Foreground, args.Result)});
+ app.SetScheme (app.GetScheme () with { Normal = new Attribute (normal.Foreground, args.Result) });
};
app.Add (button, colorPicker);
@@ -96,4 +113,10 @@ public class ShadowStyles : Scenario
Application.Shutdown ();
}
+
+ private void ButtonOnAccepting (object sender, CommandEventArgs e)
+ {
+ MessageBox.Query ((sender as View)?.App, "Hello", "You pushed the button!");
+ e.Handled = true;
+ }
}
diff --git a/Examples/UICatalog/Scenarios/ViewportSettings.cs b/Examples/UICatalog/Scenarios/ViewportSettings.cs
index b4934a064..4a3f66c4f 100644
--- a/Examples/UICatalog/Scenarios/ViewportSettings.cs
+++ b/Examples/UICatalog/Scenarios/ViewportSettings.cs
@@ -108,6 +108,7 @@ public class ViewportSettings : Scenario
var adornmentsEditor = new AdornmentsEditor
{
+ BorderStyle = LineStyle.Single,
X = Pos.AnchorEnd (),
AutoSelectViewToEdit = true,
ShowViewIdentifier = true
@@ -224,6 +225,7 @@ public class ViewportSettings : Scenario
view.Initialized += (s, e) =>
{
viewportSettingsEditor.ViewToEdit = view;
+ adornmentsEditor.ViewToEdit = view;
};
view.SetFocus ();
Application.Run (app);
diff --git a/Examples/UICatalog/Scenarios/WideGlyphs.cs b/Examples/UICatalog/Scenarios/WideGlyphs.cs
index 16e30b723..7d95dec34 100644
--- a/Examples/UICatalog/Scenarios/WideGlyphs.cs
+++ b/Examples/UICatalog/Scenarios/WideGlyphs.cs
@@ -1,4 +1,4 @@
-#nullable enable
+#nullable enable
using System.Text;
@@ -24,6 +24,27 @@ public sealed class WideGlyphs : Scenario
BorderStyle = LineStyle.None
};
+ // Add Editors
+
+ AdornmentsEditor adornmentsEditor = new ()
+ {
+ BorderStyle = LineStyle.Single,
+ X = Pos.AnchorEnd (),
+ AutoSelectViewToEdit = true,
+ AutoSelectAdornments = false,
+ ShowViewIdentifier = true
+ };
+ appWindow.Add (adornmentsEditor);
+
+ ViewportSettingsEditor viewportSettingsEditor = new ()
+ {
+ BorderStyle = LineStyle.Single,
+ Y = Pos.AnchorEnd (),
+ X = Pos.AnchorEnd (),
+ AutoSelectViewToEdit = true,
+ };
+ appWindow.Add (viewportSettingsEditor);
+
// Build the array of codepoints once when subviews are laid out
appWindow.SubViewsLaidOut += (s, _) =>
{
@@ -53,7 +74,7 @@ public sealed class WideGlyphs : Scenario
// Fill the window with the pre-built codepoints array
// For detailed documentation on the draw code flow from Application.Run to this event,
// see WideGlyphs.DrawFlow.md in this directory
- appWindow.DrawingContent += (s, _) =>
+ appWindow.DrawingContent += (s, e) =>
{
View? view = s as View;
if (view is null || _codepoints is null)
@@ -69,28 +90,16 @@ public sealed class WideGlyphs : Scenario
Rune codepoint = _codepoints [r, c];
if (codepoint != default (Rune))
{
- view.AddRune (c, r, codepoint);
+ view.Move (c, r);
+ Attribute attr = view.GetAttributeForRole (VisualRole.Normal);
+ view.SetAttribute (attr with { Background = attr.Background + (r * 5) });
+ view.AddRune (codepoint);
}
}
}
+ e.DrawContext?.AddDrawnRectangle (view.Viewport);
};
- Line verticalLineAtEven = new ()
- {
- X = 10,
- Orientation = Orientation.Vertical,
- Length = Dim.Fill ()
- };
- appWindow.Add (verticalLineAtEven);
-
- Line verticalLineAtOdd = new ()
- {
- X = 25,
- Orientation = Orientation.Vertical,
- Length = Dim.Fill ()
- };
- appWindow.Add (verticalLineAtOdd);
-
View arrangeableViewAtEven = new ()
{
CanFocus = true,
@@ -99,16 +108,19 @@ public sealed class WideGlyphs : Scenario
Y = 5,
Width = 15,
Height = 5,
- //BorderStyle = LineStyle.Dashed,
+ //BorderStyle = LineStyle.Dashed
};
+ arrangeableViewAtEven.SetScheme (new () { Normal = new (Color.Black, Color.Green) });
+
// Proves it's not LineCanvas related
arrangeableViewAtEven!.Border!.Thickness = new (1);
- arrangeableViewAtEven.Border.Add(new View () { Height = Dim.Auto(), Width = Dim.Auto(), Text = "Even" });
+ arrangeableViewAtEven.Border.Add (new View () { Height = Dim.Auto (), Width = Dim.Auto (), Text = "Even" });
appWindow.Add (arrangeableViewAtEven);
- View arrangeableViewAtOdd = new ()
+ Button arrangeableViewAtOdd = new ()
{
+ Title = $"你 {Glyphs.Apple}",
CanFocus = true,
Arrangement = ViewArrangement.Movable | ViewArrangement.Resizable,
X = 31,
@@ -116,7 +128,12 @@ public sealed class WideGlyphs : Scenario
Width = 15,
Height = 5,
BorderStyle = LineStyle.Dashed,
+ SchemeName = "error"
};
+ arrangeableViewAtOdd.Accepting += (sender, args) =>
+ {
+ MessageBox.Query ((sender as View)?.App, "Button Pressed", "You Pressed it!");
+ };
appWindow.Add (arrangeableViewAtOdd);
var superView = new View
@@ -124,11 +141,14 @@ public sealed class WideGlyphs : Scenario
CanFocus = true,
X = 30, // on an even column to start
Y = Pos.Center (),
- Width = Dim.Auto () + 4,
- Height = Dim.Auto () + 1,
+ Width = Dim.Auto (),
+ Height = Dim.Auto (),
BorderStyle = LineStyle.Single,
- Arrangement = ViewArrangement.Movable | ViewArrangement.Resizable
+ Arrangement = ViewArrangement.Movable | ViewArrangement.Resizable,
+ ShadowStyle = ShadowStyle.Transparent,
};
+ superView.Margin!.ShadowSize = superView.Margin!.ShadowSize with { Width = 2 };
+
Rune codepoint = Glyphs.Apple;
diff --git a/Terminal.Gui/App/ApplicationImpl.Run.cs b/Terminal.Gui/App/ApplicationImpl.Run.cs
index 9f8e0a9b8..8926f2423 100644
--- a/Terminal.Gui/App/ApplicationImpl.Run.cs
+++ b/Terminal.Gui/App/ApplicationImpl.Run.cs
@@ -36,7 +36,7 @@ internal partial class ApplicationImpl
public event EventHandler>? Iteration;
///
- public void RaiseIteration () { Iteration?.Invoke (null, new (this)); }
+ public void RaiseIteration () { Iteration?.Invoke (this, new (this)); }
#endregion Main Loop Iteration
diff --git a/Terminal.Gui/App/ApplicationNavigation.cs b/Terminal.Gui/App/ApplicationNavigation.cs
index 871bd3691..a852f642e 100644
--- a/Terminal.Gui/App/ApplicationNavigation.cs
+++ b/Terminal.Gui/App/ApplicationNavigation.cs
@@ -89,7 +89,7 @@ public class ApplicationNavigation
_focused = value;
- FocusedChanged?.Invoke (null, EventArgs.Empty);
+ FocusedChanged?.Invoke (this, EventArgs.Empty);
}
///
diff --git a/Terminal.Gui/App/CWP/CWPEventHelper.cs b/Terminal.Gui/App/CWP/CWPEventHelper.cs
index 4840a358c..72fd9f7b5 100644
--- a/Terminal.Gui/App/CWP/CWPEventHelper.cs
+++ b/Terminal.Gui/App/CWP/CWPEventHelper.cs
@@ -49,6 +49,7 @@ public static class CWPEventHelper
return false;
}
+ // BUGBUG: This should pass this not null; need to test
eventHandler.Invoke (null, args);
return args.Handled;
}
diff --git a/Terminal.Gui/App/CWP/CWPPropertyHelper.cs b/Terminal.Gui/App/CWP/CWPPropertyHelper.cs
index 09bcd7fa0..d7095fd7e 100644
--- a/Terminal.Gui/App/CWP/CWPPropertyHelper.cs
+++ b/Terminal.Gui/App/CWP/CWPPropertyHelper.cs
@@ -84,6 +84,7 @@ public static class CWPPropertyHelper
}
}
+ // BUGBUG: This should pass this not null; need to test
changingEvent?.Invoke (null, args);
if (args.Handled)
@@ -100,13 +101,14 @@ public static class CWPPropertyHelper
}
finalValue = args.NewValue;
-
+
// Do the work (set backing field, update related properties, etc.) BEFORE raising Changed events
doWork (finalValue);
-
+
ValueChangedEventArgs changedArgs = new (currentValue, finalValue);
currentValue = finalValue;
onChanged?.Invoke (changedArgs);
+ // BUGBUG: This should pass this not null; need to test
changedEvent?.Invoke (null, changedArgs);
return true;
diff --git a/Terminal.Gui/App/CWP/CWPWorkflowHelper.cs b/Terminal.Gui/App/CWP/CWPWorkflowHelper.cs
index 4c0328589..061df53d9 100644
--- a/Terminal.Gui/App/CWP/CWPWorkflowHelper.cs
+++ b/Terminal.Gui/App/CWP/CWPWorkflowHelper.cs
@@ -53,6 +53,7 @@ public static class CWPWorkflowHelper
return true;
}
+ // BUGBUG: This should pass this not null; need to test
eventHandler?.Invoke (null, args);
if (args.Handled)
{
@@ -112,6 +113,7 @@ public static class CWPWorkflowHelper
return args.Result!;
}
+ // BUGBUG: This should pass this not null; need to test
eventHandler?.Invoke (null, args);
if (!args.Handled)
diff --git a/Terminal.Gui/App/Keyboard/KeyboardImpl.cs b/Terminal.Gui/App/Keyboard/KeyboardImpl.cs
index dbdd2d67c..40041c974 100644
--- a/Terminal.Gui/App/Keyboard/KeyboardImpl.cs
+++ b/Terminal.Gui/App/Keyboard/KeyboardImpl.cs
@@ -160,7 +160,7 @@ internal class KeyboardImpl : IKeyboard, IDisposable
//#endif
// TODO: This should match standard event patterns
- KeyDown?.Invoke (null, key);
+ KeyDown?.Invoke (this, key);
if (key.Handled)
{
@@ -216,7 +216,7 @@ internal class KeyboardImpl : IKeyboard, IDisposable
return true;
}
- KeyUp?.Invoke (null, key);
+ KeyUp?.Invoke (this, key);
if (key.Handled)
{
diff --git a/Terminal.Gui/App/Mouse/MouseImpl.cs b/Terminal.Gui/App/Mouse/MouseImpl.cs
index 59b5d16f9..355c72879 100644
--- a/Terminal.Gui/App/Mouse/MouseImpl.cs
+++ b/Terminal.Gui/App/Mouse/MouseImpl.cs
@@ -86,7 +86,7 @@ internal class MouseImpl : IMouse, IDisposable
mouseEvent.View = deepestViewUnderMouse;
}
- MouseEvent?.Invoke (null, mouseEvent);
+ MouseEvent?.Invoke (this, mouseEvent);
if (mouseEvent.Handled)
{
diff --git a/Terminal.Gui/Drawing/Glyphs.cs b/Terminal.Gui/Drawing/Glyphs.cs
index 71336009d..f83666006 100644
--- a/Terminal.Gui/Drawing/Glyphs.cs
+++ b/Terminal.Gui/Drawing/Glyphs.cs
@@ -26,6 +26,11 @@ public class Glyphs
// IMPORTANT: Configuration Manager test SaveDefaults uses this class to generate the default config file
// IMPORTANT: in ./UnitTests/bin/Debug/netX.0/config.json
+ /// Unicode replacement character; used by Drivers when rendering in cases where a wide glyph can't
+ /// be output because it would be clipped. Defaults to ' ' (Space).
+ [ConfigurationProperty (Scope = typeof (ThemeScope))]
+ public static Rune WideGlyphReplacement { get; set; } = (Rune)' ';
+
/// File icon. Defaults to ☰ (Trigram For Heaven)
[ConfigurationProperty (Scope = typeof (ThemeScope))]
public static Rune File { get; set; } = (Rune)'☰';
diff --git a/Terminal.Gui/Drivers/DriverImpl.cs b/Terminal.Gui/Drivers/DriverImpl.cs
index 5c0d5ad72..ed61da17a 100644
--- a/Terminal.Gui/Drivers/DriverImpl.cs
+++ b/Terminal.Gui/Drivers/DriverImpl.cs
@@ -146,6 +146,9 @@ internal class DriverImpl : IDriver
private readonly IOutput _output;
+ ///
+ public IOutputBuffer GetOutputBuffer () => OutputBuffer;
+
public IOutput GetOutput () => _output;
private readonly IInputProcessor _inputProcessor;
@@ -330,9 +333,6 @@ internal class DriverImpl : IDriver
///
public void FillRect (Rectangle rect, Rune rune = default) { OutputBuffer.FillRect (rect, rune); }
- ///
- public void FillRect (Rectangle rect, char c) { OutputBuffer.FillRect (rect, c); }
-
///
public Attribute SetAttribute (Attribute newAttribute)
{
diff --git a/Terminal.Gui/Drivers/IDriver.cs b/Terminal.Gui/Drivers/IDriver.cs
index 0abd121b7..eda8841c8 100644
--- a/Terminal.Gui/Drivers/IDriver.cs
+++ b/Terminal.Gui/Drivers/IDriver.cs
@@ -64,7 +64,13 @@ public interface IDriver : IDisposable
IInputProcessor GetInputProcessor ();
///
- /// Gets the output handler responsible for writing to the terminal.
+ /// Gets the containing the buffered screen contents.
+ ///
+ ///
+ IOutputBuffer GetOutputBuffer ();
+
+ ///
+ /// Gets the responsible for writing to the terminal.
///
IOutput GetOutput ();
@@ -257,14 +263,6 @@ public interface IDriver : IDisposable
/// The Rune used to fill the rectangle
void FillRect (Rectangle rect, Rune rune = default);
- ///
- /// Fills the specified rectangle with the specified . This method is a convenience method
- /// that calls .
- ///
- ///
- ///
- void FillRect (Rectangle rect, char c);
-
/// Selects the specified attribute as the attribute to use for future calls to AddRune and AddString.
/// Implementations should call base.SetAttribute(c).
/// C.
diff --git a/Terminal.Gui/Drivers/IOutputBuffer.cs b/Terminal.Gui/Drivers/IOutputBuffer.cs
index 3344d0ba8..cf096b834 100644
--- a/Terminal.Gui/Drivers/IOutputBuffer.cs
+++ b/Terminal.Gui/Drivers/IOutputBuffer.cs
@@ -1,5 +1,4 @@
-
-namespace Terminal.Gui.Drivers;
+namespace Terminal.Gui.Drivers;
///
/// Represents the desired screen state for console rendering. This interface provides methods for building up
@@ -128,4 +127,15 @@ public interface IOutputBuffer
/// Changing this may have unexpected consequences.
///
int Top { get; set; }
+
+ ///
+ /// Sets the replacement character that will be used when a wide glyph (double-width character) cannot fit in the
+ /// available space.
+ /// If not set, the default will be .
+ ///
+ ///
+ /// The character used when the first column of a wide character is invalid (for example, when it is overlapped by the
+ /// trailing half of a previous wide character).
+ ///
+ void SetWideGlyphReplacement (Rune column1ReplacementChar);
}
diff --git a/Terminal.Gui/Drivers/OutputBase.cs b/Terminal.Gui/Drivers/OutputBase.cs
index 347eba70b..cbeb403a0 100644
--- a/Terminal.Gui/Drivers/OutputBase.cs
+++ b/Terminal.Gui/Drivers/OutputBase.cs
@@ -127,6 +127,13 @@ public abstract class OutputBase
Cell cell = buffer.Contents [row, col];
buffer.Contents [row, col].IsDirty = false;
AppendCellAnsi (cell, outputStringBuilder, ref redrawAttr, ref _redrawTextStyle, cols, ref col, ref outputWidth);
+
+ if (col != lastCol)
+ {
+ // Was a wide grapheme so mark clean next cell
+ // See https://github.com/gui-cs/Terminal.Gui/issues/4466
+ buffer.Contents [row, col].IsDirty = false;
+ }
}
}
diff --git a/Terminal.Gui/Drivers/OutputBufferImpl.cs b/Terminal.Gui/Drivers/OutputBufferImpl.cs
index c12dc29f5..00592f0e9 100644
--- a/Terminal.Gui/Drivers/OutputBufferImpl.cs
+++ b/Terminal.Gui/Drivers/OutputBufferImpl.cs
@@ -65,6 +65,14 @@ public class OutputBufferImpl : IOutputBuffer
/// The topmost row in the terminal.
public virtual int Top { get; set; } = 0;
+ private Rune _column1ReplacementChar = Glyphs.WideGlyphReplacement;
+
+ ///
+ public void SetWideGlyphReplacement (Rune column1ReplacementChar)
+ {
+ _column1ReplacementChar = column1ReplacementChar;
+ }
+
///
/// Indicates which lines have been modified and need to be redrawn.
///
@@ -86,7 +94,7 @@ public class OutputBufferImpl : IOutputBuffer
get => _clip;
set
{
- if (_clip == value)
+ if (ReferenceEquals (_clip, value))
{
return;
}
@@ -94,10 +102,7 @@ public class OutputBufferImpl : IOutputBuffer
_clip = value;
// Don't ever let Clip be bigger than Screen
- if (_clip is { })
- {
- _clip.Intersect (Screen);
- }
+ _clip?.Intersect (Screen);
}
}
@@ -105,7 +110,7 @@ public class OutputBufferImpl : IOutputBuffer
///
///
/// When the method returns, will be incremented by the number of columns
- /// required, even if the new column value is outside of the or screen
+ /// required, even if the new column value is outside the or screen
/// dimensions defined by .
///
///
@@ -156,25 +161,19 @@ public class OutputBufferImpl : IOutputBuffer
Clip ??= new (Screen);
Rectangle clipRect = Clip!.GetBounds ();
- string text = grapheme;
- int textWidth = -1;
+ int printableGraphemeWidth = -1;
lock (Contents)
{
- bool validLocation = IsValidLocation (text, Col, Row);
-
- if (validLocation)
+ if (IsValidLocation (grapheme, Col, Row))
{
- text = text.MakePrintable ();
- textWidth = text.GetColumns ();
-
// Set attribute and mark dirty for current cell
- Contents [Row, Col].Attribute = CurrentAttribute;
- Contents [Row, Col].IsDirty = true;
+ SetAttributeAndDirty (Col, Row);
+ InvalidateOverlappedWideGlyph (Col, Row);
- InvalidateOverlappedWideGlyph ();
-
- WriteGraphemeByWidth (text, textWidth, clipRect);
+ string printableGrapheme = grapheme.MakePrintable ();
+ printableGraphemeWidth = printableGrapheme.GetColumns ();
+ WriteGraphemeByWidth (Col, Row, printableGrapheme, printableGraphemeWidth, clipRect);
DirtyLines [Row] = true;
}
@@ -183,97 +182,121 @@ public class OutputBufferImpl : IOutputBuffer
// Keep Col/Row updates inside the lock to prevent race conditions
Col++;
- if (textWidth > 1)
+ if (printableGraphemeWidth > 1)
{
// Skip the second column of a wide character
- // IMPORTANT: We do NOT modify column N+1's IsDirty or Attribute here.
- // See: https://github.com/gui-cs/Terminal.Gui/issues/4258
+ // See issue: https://github.com/gui-cs/Terminal.Gui/issues/4492
+ // Test: AddStr_WideGlyph_Second_Column_Attribute_Outputs_Correctly
+ // Test: AddStr_WideGlyph_Second_Column_Attribute_Set_When_In_Clip
+ if (Clip.Contains (Col, Row))
+ {
+ // IMPORTANT: We do NOT modify column N+1's IsDirty or Attribute here.
+ // See: https://github.com/gui-cs/Terminal.Gui/issues/4258
+ Contents [Row, Col].Attribute = CurrentAttribute;
+ }
+
+ // Advance cursor again for wide character
Col++;
}
}
}
///
- /// If we're writing at an odd column and there's a wide glyph to our left,
+ /// INTERNAL: Helper to set the attribute and mark the cell as dirty.
+ ///
+ /// The column.
+ /// The row.
+ private void SetAttributeAndDirty (int col, int row)
+ {
+ Contents! [row, col].Attribute = CurrentAttribute;
+ Contents [row, col].IsDirty = true;
+ }
+
+ ///
+ /// INTERNAL: If we're writing at an odd column and there's a wide glyph to our left,
/// invalidate it since we're overwriting the second half.
///
- private void InvalidateOverlappedWideGlyph ()
+ /// The column.
+ /// The row.
+ private void InvalidateOverlappedWideGlyph (int col, int row)
{
- if (Col > 0 && Contents! [Row, Col - 1].Grapheme.GetColumns () > 1)
+ if (col > 0 && Contents! [row, col - 1].Grapheme.GetColumns () > 1)
{
- Contents [Row, Col - 1].Grapheme = Rune.ReplacementChar.ToString ();
- Contents [Row, Col - 1].IsDirty = true;
+ Contents [row, col - 1].Grapheme = _column1ReplacementChar.ToString ();
+ Contents [row, col - 1].IsDirty = true;
}
}
///
- /// Writes a grapheme to the buffer based on its width (0, 1, or 2 columns).
+ /// INTERNAL: Writes a Grapheme to the buffer based on its width (0, 1, or 2 columns).
///
+ /// The column.
+ /// The row.
/// The printable text to write.
/// The column width of the text.
/// The clipping rectangle.
- private void WriteGraphemeByWidth (string text, int textWidth, Rectangle clipRect)
+ private void WriteGraphemeByWidth (int col, int row, string text, int textWidth, Rectangle clipRect)
{
switch (textWidth)
{
case 0:
case 1:
- WriteSingleWidthGrapheme (text, clipRect);
+ WriteGrapheme (col, row, text, clipRect);
break;
case 2:
- WriteWideGrapheme (text);
+ WriteWideGrapheme (col, row, text);
break;
default:
// Negative width or non-spacing character (shouldn't normally occur)
- Contents! [Row, Col].Grapheme = " ";
- Contents [Row, Col].IsDirty = false;
+ Contents! [row, col].Grapheme = " ";
+ Contents [row, col].IsDirty = false;
break;
}
}
///
- /// Writes a single-width character (0 or 1 column wide).
+ /// INTERNAL: Writes a (0 or 1 column wide) Grapheme.
///
- private void WriteSingleWidthGrapheme (string text, Rectangle clipRect)
+ /// The column.
+ /// The row.
+ /// The single-width Grapheme to write.
+ /// The clipping rectangle.
+ private void WriteGrapheme (int col, int row, string grapheme, Rectangle clipRect)
{
- Contents! [Row, Col].Grapheme = text;
+ Debug.Assert (grapheme.GetColumns () < 2);
+ Contents! [row, col].Grapheme = grapheme;
// Mark the next cell as dirty to ensure proper rendering of adjacent content
- if (Col < clipRect.Right - 1 && Col + 1 < Cols)
+ if (col < clipRect.Right - 1 && col + 1 < Cols)
{
- Contents [Row, Col + 1].IsDirty = true;
+ Contents [row, col + 1].IsDirty = true;
}
}
///
- /// Writes a wide character (2 columns wide) handling clipping and partial overlap cases.
+ /// INTERNAL: Writes a wide Grapheme (2 columns wide) handling clipping and partial overlap cases.
///
- private void WriteWideGrapheme (string text)
+ /// The column.
+ /// The row.
+ /// The wide Grapheme to write.
+ private void WriteWideGrapheme (int col, int row, string grapheme)
{
- if (!Clip!.Contains (Col + 1, Row))
+ Debug.Assert (grapheme.GetColumns () == 2);
+ if (!Clip!.Contains (col + 1, row))
{
// Second column is outside clip - can't fit wide char here
- Contents! [Row, Col].Grapheme = Rune.ReplacementChar.ToString ();
- }
- else if (!Clip.Contains (Col, Row))
- {
- // First column is outside clip but second isn't
- // Mark second column as replacement to indicate partial overlap
- if (Col + 1 < Cols)
- {
- Contents! [Row, Col + 1].Grapheme = Rune.ReplacementChar.ToString ();
- }
+ Contents! [row, col].Grapheme = _column1ReplacementChar.ToString ();
}
else
{
// Both columns are in bounds - write the wide character
// It will naturally render across both columns when output to the terminal
- Contents! [Row, Col].Grapheme = text;
+ Contents! [row, col].Grapheme = grapheme;
// DO NOT modify column N+1 here!
// The wide glyph will naturally render across both columns.
@@ -288,7 +311,7 @@ public class OutputBufferImpl : IOutputBuffer
{
Contents = new Cell [Rows, Cols];
- //CONCURRENCY: Unsynchronized access to Clip isn't safe.
+ // CONCURRENCY: Unsynchronized access to Clip isn't safe.
// TODO: ClearContents should not clear the clip; it should only clear the contents. Move clearing it elsewhere.
Clip = new (Screen);
@@ -311,9 +334,6 @@ public class OutputBufferImpl : IOutputBuffer
DirtyLines [row] = true;
}
}
-
- // TODO: Who uses this and why? I am removing for now - this class is a state class not an events class
- //ClearedContents?.Invoke (this, EventArgs.Empty);
}
/// Tests whether the specified coordinate are valid for drawing the specified Text.
@@ -342,8 +362,9 @@ public class OutputBufferImpl : IOutputBuffer
///
public void FillRect (Rectangle rect, Rune rune)
{
+ Rectangle clipBounds = Clip?.GetBounds () ?? Screen;
// BUGBUG: This should be a method on Region
- rect = Rectangle.Intersect (rect, Clip?.GetBounds () ?? Screen);
+ rect = Rectangle.Intersect (rect, clipBounds);
lock (Contents!)
{
@@ -356,11 +377,12 @@ public class OutputBufferImpl : IOutputBuffer
continue;
}
- Contents [r, c] = new ()
- {
- Grapheme = rune != default (Rune) ? rune.ToString () : " ",
- Attribute = CurrentAttribute, IsDirty = true
- };
+ // We could call AddGrapheme here, but that would acquire the lock again.
+ // So we inline the logic instead.
+ SetAttributeAndDirty (c, r);
+ InvalidateOverlappedWideGlyph (c, r);
+ string grapheme = rune != default (Rune) ? rune.ToString () : " ";
+ WriteGraphemeByWidth (c, r, grapheme, grapheme.GetColumns (), clipBounds);
}
}
}
@@ -379,7 +401,6 @@ public class OutputBufferImpl : IOutputBuffer
}
}
- // TODO: Make internal once Menu is upgraded
///
/// Updates and to the specified column and row in .
/// Used by and to determine where to add content.
@@ -393,9 +414,8 @@ public class OutputBufferImpl : IOutputBuffer
///
/// Column to move to.
/// Row to move to.
- public virtual void Move (int col, int row)
+ public void Move (int col, int row)
{
- //Debug.Assert (col >= 0 && row >= 0 && col < Contents.GetLength(1) && row < Contents.GetLength(0));
Col = col;
Row = row;
}
diff --git a/Terminal.Gui/ViewBase/Adornment/Margin.cs b/Terminal.Gui/ViewBase/Adornment/Margin.cs
index 54e9c2a67..998478b15 100644
--- a/Terminal.Gui/ViewBase/Adornment/Margin.cs
+++ b/Terminal.Gui/ViewBase/Adornment/Margin.cs
@@ -1,8 +1,3 @@
-
-
-using System.Diagnostics;
-using System.Runtime.InteropServices;
-
namespace Terminal.Gui.ViewBase;
/// The Margin for a . Accessed via
@@ -21,8 +16,6 @@ namespace Terminal.Gui.ViewBase;
///
public class Margin : Adornment
{
- private const int SHADOW_WIDTH = 1;
- private const int SHADOW_HEIGHT = 1;
private const int PRESS_MOVE_HORIZONTAL = 1;
private const int PRESS_MOVE_VERTICAL = 0;
@@ -35,6 +28,7 @@ public class Margin : Adornment
public Margin (View parent) : base (parent)
{
SubViewLayout += Margin_LayoutStarted;
+ ThicknessChanged += OnThicknessChanged;
// Margin should not be focusable
CanFocus = false;
@@ -46,6 +40,15 @@ public class Margin : Adornment
ViewportSettings |= ViewportSettingsFlags.TransparentMouse;
}
+ private void OnThicknessChanged (object? sender, EventArgs e)
+ {
+ if (!_isThicknessChanging)
+ {
+ _originalThickness = new (Thickness.Left, Thickness.Top, Thickness.Right, Thickness.Bottom);
+ SetShadow (ShadowStyle);
+ }
+ }
+
// When the Parent is drawn, we cache the clip region so we can draw the Margin after all other Views
// QUESTION: Why can't this just be the NeedsDisplay region?
private Region? _cachedClip;
@@ -56,7 +59,7 @@ public class Margin : Adornment
internal void CacheClip ()
{
- if (Thickness != Thickness.Empty /*&& ShadowStyle != ShadowStyle.None*/)
+ if (Thickness != Thickness.Empty && ShadowStyle != ShadowStyle.None)
{
// PERFORMANCE: How expensive are these clones?
_cachedClip = GetClip ()?.Clone ();
@@ -64,12 +67,15 @@ public class Margin : Adornment
}
///
- /// INTERNAL API - Draws the margins for the specified views. This is called by the on each
+ /// INTERNAL API - Draws the transparent margins for the specified views. This is called from on each
/// iteration of the main loop after all Views have been drawn.
///
+ ///
+ /// Non-transparent margins are drawn as-normal in .
+ ///
///
///
- internal static bool DrawMargins (IEnumerable views)
+ internal static bool DrawTransparentMargins (IEnumerable views)
{
Stack stack = new (views);
@@ -77,7 +83,10 @@ public class Margin : Adornment
{
View view = stack.Pop ();
- if (view.Margin is { } margin && margin.Thickness != Thickness.Empty && margin.GetCachedClip () != null)
+ if (view.Margin is { } margin
+ && margin.Thickness != Thickness.Empty
+ && margin.ViewportSettings.HasFlag (ViewportSettingsFlags.Transparent)
+ && margin.GetCachedClip () != null)
{
margin.SetNeedsDraw ();
Region? saved = view.GetClip ();
@@ -87,8 +96,6 @@ public class Margin : Adornment
margin.ClearCachedClip ();
}
- view.ClearNeedsDraw ();
-
foreach (View subview in view.SubViews)
{
stack.Push (subview);
@@ -134,7 +141,7 @@ public class Margin : Adornment
if (ShadowStyle != ShadowStyle.None)
{
// Don't clear where the shadow goes
- screen = Rectangle.Inflate (screen, -SHADOW_WIDTH, -SHADOW_HEIGHT);
+ screen = Rectangle.Inflate (screen, -ShadowSize.Width, -ShadowSize.Height);
}
return true;
@@ -151,6 +158,8 @@ public class Margin : Adornment
// private bool _pressed;
private ShadowView? _bottomShadow;
private ShadowView? _rightShadow;
+ private bool _isThicknessChanging;
+ private Thickness? _originalThickness;
///
/// Sets whether the Margin includes a shadow effect. The shadow is drawn on the right and bottom sides of the
@@ -172,25 +181,29 @@ public class Margin : Adornment
_bottomShadow = null;
}
+ _originalThickness ??= Thickness;
+
if (ShadowStyle != ShadowStyle.None)
{
// Turn off shadow
- Thickness = new (Thickness.Left, Thickness.Top, Thickness.Right - SHADOW_WIDTH, Thickness.Bottom - SHADOW_HEIGHT);
+ _originalThickness = new (Thickness.Left, Thickness.Top, Math.Max (Thickness.Right - ShadowSize.Width, 0), Math.Max (Thickness.Bottom - ShadowSize.Height, 0));
}
if (style != ShadowStyle.None)
{
// Turn on shadow
- Thickness = new (Thickness.Left, Thickness.Top, Thickness.Right + SHADOW_WIDTH, Thickness.Bottom + SHADOW_HEIGHT);
+ _isThicknessChanging = true;
+ Thickness = new (_originalThickness.Value.Left, _originalThickness.Value.Top, _originalThickness.Value.Right + ShadowSize.Width, _originalThickness.Value.Bottom + ShadowSize.Height);
+ _isThicknessChanging = false;
}
if (style != ShadowStyle.None)
{
_rightShadow = new ()
{
- X = Pos.AnchorEnd (SHADOW_WIDTH),
+ X = Pos.AnchorEnd (ShadowSize.Width),
Y = 0,
- Width = SHADOW_WIDTH,
+ Width = ShadowSize.Width,
Height = Dim.Fill (),
ShadowStyle = style,
Orientation = Orientation.Vertical
@@ -199,14 +212,20 @@ public class Margin : Adornment
_bottomShadow = new ()
{
X = 0,
- Y = Pos.AnchorEnd (SHADOW_HEIGHT),
+ Y = Pos.AnchorEnd (ShadowSize.Height),
Width = Dim.Fill (),
- Height = SHADOW_HEIGHT,
+ Height = ShadowSize.Height,
ShadowStyle = style,
Orientation = Orientation.Horizontal
};
Add (_rightShadow, _bottomShadow);
}
+ else if (Thickness != _originalThickness)
+ {
+ _isThicknessChanging = true;
+ Thickness = new (_originalThickness.Value.Left, _originalThickness.Value.Top, _originalThickness.Value.Right, _originalThickness.Value.Bottom);
+ _isThicknessChanging = false;
+ }
return style;
}
@@ -215,7 +234,90 @@ public class Margin : Adornment
public override ShadowStyle ShadowStyle
{
get => base.ShadowStyle;
- set => base.ShadowStyle = SetShadow (value);
+ set
+ {
+ if (value == ShadowStyle.Opaque || (value == ShadowStyle.Transparent && (ShadowSize.Width == 0 || ShadowSize.Height == 0)))
+ {
+ if (ShadowSize.Width != 1)
+ {
+ ShadowSize = ShadowSize with { Width = 1 };
+ }
+
+ if (ShadowSize.Height != 1)
+ {
+ ShadowSize = ShadowSize with { Height = 1 };
+ }
+ }
+
+ base.ShadowStyle = SetShadow (value);
+ }
+ }
+
+ private Size _shadowSize;
+
+ ///
+ /// Gets or sets the size of the shadow effect.
+ ///
+ public Size ShadowSize
+ {
+ get => _shadowSize;
+ set
+ {
+ if (TryValidateShadowSize (_shadowSize, value, out Size result))
+ {
+ _shadowSize = value;
+ SetShadow (ShadowStyle);
+ }
+ else
+ {
+ _shadowSize = result;
+ }
+ }
+ }
+
+ private bool TryValidateShadowSize (Size originalValue, in Size newValue, out Size result)
+ {
+ result = newValue;
+
+ bool wasValid = true;
+
+ if (newValue.Width < 0)
+ {
+ result = ShadowStyle is ShadowStyle.Opaque or ShadowStyle.Transparent ? result with { Width = 1 } : originalValue;
+
+ wasValid = false;
+ }
+
+
+ if (newValue.Height < 0)
+ {
+ result = ShadowStyle is ShadowStyle.Opaque or ShadowStyle.Transparent ? result with { Height = 1 } : originalValue;
+
+ wasValid = false;
+ }
+
+ if (!wasValid)
+ {
+ return false;
+ }
+
+ bool wasUpdated = false;
+
+ if ((ShadowStyle == ShadowStyle.Opaque && newValue.Width != 1) || (ShadowStyle == ShadowStyle.Transparent && newValue.Width < 1))
+ {
+ result = result with { Width = 1 };
+
+ wasUpdated = true;
+ }
+
+ if ((ShadowStyle == ShadowStyle.Opaque && newValue.Height != 1) || (ShadowStyle == ShadowStyle.Transparent && newValue.Height < 1))
+ {
+ result = result with { Height = 1 };
+
+ wasUpdated = true;
+ }
+
+ return !wasUpdated;
}
private void OnParentOnMouseStateChanged (object? sender, EventArgs args)
@@ -226,7 +328,7 @@ public class Margin : Adornment
}
bool pressed = args.Value.HasFlag (MouseState.Pressed) && parent.HighlightStates.HasFlag (MouseState.Pressed);
- bool pressedOutside = args.Value.HasFlag (MouseState.PressedOutside) && parent.HighlightStates.HasFlag (MouseState.PressedOutside); ;
+ bool pressedOutside = args.Value.HasFlag (MouseState.PressedOutside) && parent.HighlightStates.HasFlag (MouseState.PressedOutside);
if (pressedOutside)
{
@@ -238,11 +340,13 @@ public class Margin : Adornment
// If the view is pressed and the highlight is being removed, move the shadow back.
// Note, for visual effects reasons, we only move horizontally.
// TODO: Add a setting or flag that lets the view move vertically as well.
+ _isThicknessChanging = true;
Thickness = new (
Thickness.Left - PRESS_MOVE_HORIZONTAL,
Thickness.Top - PRESS_MOVE_VERTICAL,
Thickness.Right + PRESS_MOVE_HORIZONTAL,
Thickness.Bottom + PRESS_MOVE_VERTICAL);
+ _isThicknessChanging = false;
if (_rightShadow is { })
{
@@ -264,11 +368,14 @@ public class Margin : Adornment
// If the view is not pressed, and we want highlight move the shadow
// Note, for visual effects reasons, we only move horizontally.
// TODO: Add a setting or flag that lets the view move vertically as well.
+ _isThicknessChanging = true;
Thickness = new (
Thickness.Left + PRESS_MOVE_HORIZONTAL,
Thickness.Top + PRESS_MOVE_VERTICAL,
Thickness.Right - PRESS_MOVE_HORIZONTAL,
Thickness.Bottom - PRESS_MOVE_VERTICAL);
+ _isThicknessChanging = false;
+
MouseState |= MouseState.Pressed;
if (_rightShadow is { })
diff --git a/Terminal.Gui/ViewBase/Adornment/ShadowView.cs b/Terminal.Gui/ViewBase/Adornment/ShadowView.cs
index 90f84219c..78eb31355 100644
--- a/Terminal.Gui/ViewBase/Adornment/ShadowView.cs
+++ b/Terminal.Gui/ViewBase/Adornment/ShadowView.cs
@@ -100,7 +100,13 @@ internal class ShadowView : View
if (c < ScreenContents?.GetLength (1) && r < ScreenContents?.GetLength (0))
{
- AddStr (ScreenContents [r, c].Grapheme);
+ string grapheme = ScreenContents [r, c].Grapheme;
+ AddStr (grapheme);
+
+ if (grapheme.GetColumns () > 1)
+ {
+ c++;
+ }
}
}
}
@@ -125,21 +131,31 @@ internal class ShadowView : View
Rectangle screen = ViewportToScreen (Viewport);
// Fill in the rest of the rectangle
- for (int c = Math.Max (0, screen.X); c < screen.X + screen.Width; c++)
+ for (int r = Math.Max (0, screen.Y); r < screen.Y + viewport.Height; r++)
{
- for (int r = Math.Max (0, screen.Y); r < screen.Y + viewport.Height; r++)
+ for (int c = Math.Max (0, screen.X); c < screen.X + screen.Width; c++)
{
Driver?.Move (c, r);
SetAttribute (GetAttributeUnderLocation (new (c, r)));
- if (ScreenContents is { } && screen.X < ScreenContents.GetLength (1) && r < ScreenContents.GetLength (0))
+ if (ScreenContents is { } && screen.X < ScreenContents.GetLength (1) && r < ScreenContents.GetLength (0)
+ && c < ScreenContents.GetLength (1) && r < ScreenContents.GetLength (0))
{
- AddStr (ScreenContents [r, c].Grapheme);
+ string grapheme = ScreenContents [r, c].Grapheme;
+ AddStr (grapheme);
+
+ if (grapheme.GetColumns () > 1)
+ {
+ c++;
+ }
}
}
}
}
+ // BUGBUG: This will never really work completely right by looking at an underlying cell and trying
+ // BUGBUG: to do transparency by adjusting colors. Instead, it might be possible to use the A in argb for this.
+ // BUGBUG: See https://github.com/gui-cs/Terminal.Gui/issues/4491
private Attribute GetAttributeUnderLocation (Point location)
{
if (SuperView is not Adornment
diff --git a/Terminal.Gui/ViewBase/View.Drawing.cs b/Terminal.Gui/ViewBase/View.Drawing.cs
index a5e17da18..38d398c3f 100644
--- a/Terminal.Gui/ViewBase/View.Drawing.cs
+++ b/Terminal.Gui/ViewBase/View.Drawing.cs
@@ -28,8 +28,8 @@ public partial class View // Drawing APIs
view.Draw (context);
}
- // Draw the margins last to ensure they are drawn on top of the content.
- Margin.DrawMargins (viewsArray);
+ // Draw Transparent margins last to ensure they are drawn on top of the content.
+ Margin.DrawTransparentMargins (viewsArray);
// DrawMargins may have caused some views have NeedsDraw/NeedsSubViewDraw set; clear them all.
foreach (View view in viewsArray)
@@ -183,7 +183,18 @@ public partial class View // Drawing APIs
private void DoDrawAdornmentsSubViews ()
{
- // NOTE: We do not support SubViews of Margin
+ // Only SetNeedsDraw on Margin here if it is not Transparent. Transparent Margins are drawn in a separate pass in the static View.Draw
+ // via Margin.DrawTransparentMargins.
+ if (Margin is { NeedsDraw: true } && !Margin.ViewportSettings.HasFlag (ViewportSettingsFlags.Transparent) && Margin.Thickness != Thickness.Empty)
+ {
+ foreach (View subview in Margin.SubViews)
+ {
+ subview.SetNeedsDraw ();
+ }
+
+ // NOTE: We do not support arbitrary SubViews of Margin (only ShadowView)
+ // NOTE: so we do not call DoDrawSubViews on Margin.
+ }
if (Border?.SubViews is { } && Border.Thickness != Thickness.Empty && Border.NeedsDraw)
{
@@ -268,7 +279,12 @@ public partial class View // Drawing APIs
///
public void DrawAdornments ()
{
- // We do not attempt to draw Margin. It is drawn in a separate pass.
+ // Only draw Margin here if it is not Transparent. Transparent Margins are drawn in a separate pass in the static View.Draw
+ // via Margin.DrawTransparentMargins.
+ if (Margin is { } && !Margin.ViewportSettings.HasFlag(ViewportSettingsFlags.Transparent) && Margin.Thickness != Thickness.Empty)
+ {
+ Margin?.Draw ();
+ }
// Each of these renders lines to this View's LineCanvas
// Those lines will be finally rendered in OnRenderLineCanvas
diff --git a/Terminal.Gui/ViewBase/View.Mouse.cs b/Terminal.Gui/ViewBase/View.Mouse.cs
index a1df6dd59..88cc4579d 100644
--- a/Terminal.Gui/ViewBase/View.Mouse.cs
+++ b/Terminal.Gui/ViewBase/View.Mouse.cs
@@ -256,7 +256,7 @@ public partial class View // Mouse APIs
/// -
///
/// Invokes commands bound to mouse clicks via
- /// (default: → event)
+ /// (default: → event)
///
///
/// -
@@ -295,7 +295,7 @@ public partial class View // Mouse APIs
///
///
///
- ///
+ ///
///
///
public bool? NewMouseEvent (MouseEventArgs mouseEvent)
@@ -414,8 +414,8 @@ public partial class View // Mouse APIs
///
/// INTERNAL: For cases where the view is grabbed and the mouse is pressed, this method handles the pressed events from
/// the driver.
- /// When is set, this method will raise the Clicked/Selecting event
- /// via each time it is called (after the first time the mouse is pressed).
+ /// When is set, this method will raise the Clicked/Activating event
+ /// via each time it is called (after the first time the mouse is pressed).
///
///
/// , if processing should stop, otherwise.
@@ -531,7 +531,7 @@ public partial class View // Mouse APIs
///
/// INTERNAL API: Converts mouse click events into s by invoking the commands bound
/// to the mouse button via . By default, all mouse clicks are bound to
- /// which raises the event.
+ /// which raises the event.
///
protected bool RaiseCommandsBoundToMouse (MouseEventArgs args)
{
diff --git a/Terminal.Gui/Views/Autocomplete/PopupAutocomplete.cs b/Terminal.Gui/Views/Autocomplete/PopupAutocomplete.cs
index 8a7ca9d3e..996abc68f 100644
--- a/Terminal.Gui/Views/Autocomplete/PopupAutocomplete.cs
+++ b/Terminal.Gui/Views/Autocomplete/PopupAutocomplete.cs
@@ -388,6 +388,7 @@ public abstract partial class PopupAutocomplete : AutocompleteBase
);
}
+ _popup.Visible = true;
_popup.Move (0, 0);
for (var i = 0; i < toRender.Length; i++)
diff --git a/Terminal.sln.DotSettings b/Terminal.sln.DotSettings
index a33c71b8d..dfbd047be 100644
--- a/Terminal.sln.DotSettings
+++ b/Terminal.sln.DotSettings
@@ -382,6 +382,7 @@
False
True
True
+ BMP
CWP
LL
LR
@@ -416,6 +417,7 @@
True
True
True
+ True
True
True
@@ -426,9 +428,11 @@
True
True
True
+ True
True
True
True
+ True
True
True
True
diff --git a/Tests/UnitTests/View/Draw/ClipTests.cs b/Tests/UnitTests/View/Draw/ClipTests.cs
index 565795f85..0210aa742 100644
--- a/Tests/UnitTests/View/Draw/ClipTests.cs
+++ b/Tests/UnitTests/View/Draw/ClipTests.cs
@@ -52,13 +52,13 @@ public class ClipTests (ITestOutputHelper _output)
Assert.Equal (" ", Application.Driver?.Contents! [2, 2].Grapheme);
// When we exit Draw, the view is excluded from the clip. So drawing at 0,0, is not valid and is clipped.
- view.AddRune (0, 0, Rune.ReplacementChar);
+ view.AddRune (0, 0, Glyphs.WideGlyphReplacement);
Assert.Equal (" ", Application.Driver?.Contents! [2, 2].Grapheme);
- view.AddRune (-1, -1, Rune.ReplacementChar);
+ view.AddRune (-1, -1, Glyphs.WideGlyphReplacement);
Assert.Equal ("P", Application.Driver?.Contents! [1, 1].Grapheme);
- view.AddRune (1, 1, Rune.ReplacementChar);
+ view.AddRune (1, 1, Glyphs.WideGlyphReplacement);
Assert.Equal ("P", Application.Driver?.Contents! [3, 3].Grapheme);
}
@@ -178,6 +178,7 @@ public class ClipTests (ITestOutputHelper _output)
public void Clipping_Wide_Runes ()
{
Application.Driver!.SetScreenSize (30, 1);
+ Application.Driver!.GetOutputBuffer ().SetWideGlyphReplacement ((Rune)'①');
var top = new View
{
@@ -231,9 +232,9 @@ public class ClipTests (ITestOutputHelper _output)
// 012 34 56 78 90 12 34 56 78 90 12 34 56 78
// │こ れ は 広 い ル ー ン ラ イ ン で す 。
// 01 2345678901234 56 78 90 12 34 56
- // │� |0123456989│� ン ラ イ ン で す 。
+ // │① |0123456989│① ン ラ イ ン で す 。
expectedOutput = """
- │�│0123456789│ ンラインです。
+ │①│0123456789│ ンラインです。
""";
DriverAssert.AssertDriverContentsWithFrameAre (expectedOutput, _output);
diff --git a/Tests/UnitTestsParallelizable/Drivers/AddRuneTests.cs b/Tests/UnitTestsParallelizable/Drivers/AddRuneTests.cs
index 4ec35f770..c1c4f93e6 100644
--- a/Tests/UnitTestsParallelizable/Drivers/AddRuneTests.cs
+++ b/Tests/UnitTestsParallelizable/Drivers/AddRuneTests.cs
@@ -50,25 +50,6 @@ public class AddRuneTests (ITestOutputHelper output) : FakeDriverBase
Assert.Equal (expected, driver.Contents [0, 0].Grapheme);
Assert.Equal (" ", driver.Contents [0, 1].Grapheme);
- // var s = "a\u0301\u0300\u0306";
-
- // DriverAsserts.AssertDriverContentsWithFrameAre (@"
- //ắ", output);
-
- // tf.Text = "\u1eaf";
- // Application.Refresh ();
- // DriverAsserts.AssertDriverContentsWithFrameAre (@"
- //ắ", output);
-
- // tf.Text = "\u0103\u0301";
- // Application.Refresh ();
- // DriverAsserts.AssertDriverContentsWithFrameAre (@"
- //ắ", output);
-
- // tf.Text = "\u0061\u0306\u0301";
- // Application.Refresh ();
- // DriverAsserts.AssertDriverContentsWithFrameAre (@"
- //ắ", output);
driver.Dispose ();
}
@@ -148,31 +129,6 @@ public class AddRuneTests (ITestOutputHelper output) : FakeDriverBase
Assert.Equal (0, driver.Row);
Assert.Equal (2, driver.Col);
- //driver.AddRune ('b');
- //Assert.Equal ((Text)'b', driver.Contents [0, 1].Text);
- //Assert.Equal (0, driver.Row);
- //Assert.Equal (2, driver.Col);
-
- //// Move to the last column of the first row
- //var lastCol = driver.Cols - 1;
- //driver.Move (lastCol, 0);
- //Assert.Equal (0, driver.Row);
- //Assert.Equal (lastCol, driver.Col);
-
- //// Add a rune to the last column of the first row; should increment the row or col even though it's now invalid
- //driver.AddRune ('c');
- //Assert.Equal ((Text)'c', driver.Contents [0, lastCol].Text);
- //Assert.Equal (lastCol + 1, driver.Col);
-
- //// Add a rune; should succeed but do nothing as it's outside of Contents
- //driver.AddRune ('d');
- //Assert.Equal (lastCol + 2, driver.Col);
- //for (var col = 0; col < driver.Cols; col++) {
- // for (var row = 0; row < driver.Rows; row++) {
- // Assert.NotEqual ((Text)'d', driver.Contents [row, col].Text);
- // }
- //}
-
driver.Dispose ();
}
@@ -181,9 +137,9 @@ public class AddRuneTests (ITestOutputHelper output) : FakeDriverBase
{
IDriver? driver = CreateFakeDriver ();
driver.SetScreenSize (6, 3);
+ driver.GetOutputBuffer ().SetWideGlyphReplacement ((Rune)'①');
- driver!.Clip = new (driver.Screen);
-
+ driver.Clip = new (driver.Screen);
driver.Move (1, 0);
driver.AddStr ("┌");
driver.Move (2, 0);
@@ -197,14 +153,135 @@ public class AddRuneTests (ITestOutputHelper output) : FakeDriverBase
DriverAssert.AssertDriverContentsAre (
"""
- �┌─┐🍎
+ ①┌─┐🍎
""",
output,
driver);
driver.Refresh ();
- DriverAssert.AssertDriverOutputIs (@"\x1b[38;2;0;0;0m\x1b[48;2;0;0;0m�┌─┐🍎\x1b[38;2;255;255;255m\x1b[48;2;0;0;0m",
+ DriverAssert.AssertDriverOutputIs (@"\x1b[38;2;0;0;0m\x1b[48;2;0;0;0m①┌─┐🍎\x1b[38;2;255;255;255m\x1b[48;2;0;0;0m",
output, driver);
}
+
+ [Fact]
+ public void AddStr_WideGlyph_Second_Column_Attribute_Set_When_In_Clip ()
+ {
+ // This test verifies the fix for issue #4258
+ // When a wide glyph is added and the second column is within the clip region,
+ // the attribute for column N+1 should be set to match the current attribute.
+ // See: OutputBufferImpl.cs line 194
+ using IDriver driver = CreateFakeDriver ();
+ driver.SetScreenSize (4, 2);
+
+ // Set a specific attribute for the wide glyph
+ Attribute wideGlyphAttr = new (Color.BrightRed, Color.BrightYellow);
+ driver.CurrentAttribute = wideGlyphAttr;
+
+ // Add a wide glyph at position (0, 0)
+ driver.Move (0, 0);
+ driver.AddStr ("🍎");
+
+ // Verify the wide glyph is in column 0
+ Assert.Equal ("🍎", driver.Contents! [0, 0].Grapheme);
+ Assert.Equal (wideGlyphAttr, driver.Contents [0, 0].Attribute);
+
+ // Verify column 1 (the second column of the wide glyph) has the correct attribute set
+ // This is the fix: column N+1 should have CurrentAttribute set (line 194 in OutputBufferImpl.cs)
+ Assert.Equal (wideGlyphAttr, driver.Contents [0, 1].Attribute);
+
+ // Verify cursor moved to column 2
+ Assert.Equal (2, driver.Col);
+ }
+
+ [Fact]
+ public void AddStr_WideGlyph_Second_Column_Attribute_Not_Set_When_Outside_Clip ()
+ {
+ // This test verifies that when a wide glyph's second column is outside the clip,
+ // the attribute for column N+1 is NOT modified
+ using IDriver driver = CreateFakeDriver ();
+ driver.SetScreenSize (4, 2);
+
+ // Set initial attribute for the entire contents
+ Attribute initialAttr = new (Color.White, Color.Black);
+ driver.CurrentAttribute = initialAttr;
+ driver.Move (0, 0);
+ driver.AddStr (" ");
+ driver.Move (0, 1);
+ driver.AddStr (" ");
+
+ // Create a clip that excludes column 1
+ driver.Clip = new (new Rectangle (0, 0, 1, 2));
+
+ // Set a different attribute for the wide glyph
+ Attribute wideGlyphAttr = new (Color.BrightRed, Color.BrightYellow);
+ driver.CurrentAttribute = wideGlyphAttr;
+
+ // Try to add a wide glyph at position (0, 0)
+ // Column 0 is in clip, but column 1 is NOT
+ driver.Move (0, 0);
+ driver.AddStr ("🍎");
+
+ // Verify column 0 has the replacement character (can't fit wide glyph)
+ Assert.NotEqual ("🍎", driver.Contents! [0, 0].Grapheme);
+
+ // Verify column 1 still has the original attribute (NOT modified)
+ Assert.Equal (initialAttr, driver.Contents [0, 1].Attribute);
+ }
+
+ [Fact]
+ public void AddStr_WideGlyph_Second_Column_Attribute_Outputs_Correctly ()
+ {
+ // This test verifies the fix for issue #4258 by checking the actual driver output
+ // This mimics what happens when TransparentShadow redraws a wide glyph from ScreenContents
+ // WITHOUT line 194, column N+1's attribute doesn't get set, causing wrong colors in output
+ // See: OutputBufferImpl.cs line ~196 (Contents [Row, Col].Attribute = CurrentAttribute;)
+ using IDriver driver = CreateFakeDriver ();
+ driver.SetScreenSize (3, 1);
+ driver.Force16Colors = true;
+
+ // Step 1: Draw initial content - a wide glyph at column 1 with white-on-black
+ driver.CurrentAttribute = new Attribute (Color.White, Color.Black);
+ driver.Move (1, 0);
+ driver.AddStr ("🍎X"); // Wide glyph at columns 1-2, 'X' at column 3 doesn't exist (off-screen)
+
+ // At this point:
+ // - Column 0: space (default) with white-on-black
+ // - Column 1: 🍎 with white-on-black
+ // - Column 2: (part of 🍎) with white-on-black (from initial ClearContents)
+
+ // Step 2: Now redraw the SAME wide glyph at column 1 but with a DIFFERENT attribute (red-on-yellow)
+ // This simulates what transparent shadow does - it redraws what's underneath with a dimmed attribute
+ driver.CurrentAttribute = new Attribute (Color.BrightRed, Color.BrightYellow);
+ driver.Move (1, 0);
+ driver.AddStr ("🍎");
+
+ // Verify internal state
+ Assert.Equal ("🍎", driver.Contents! [0, 1].Grapheme);
+ Assert.Equal (new Attribute (Color.BrightRed, Color.BrightYellow), driver.Contents [0, 1].Attribute);
+
+ // THIS is the critical assertion - column 2's attribute MUST be red-on-yellow
+ // WITHOUT line 194: column 2 retains white-on-black
+ // WITH line 194: column 2 gets red-on-yellow
+ Assert.Equal (new Attribute (Color.BrightRed, Color.BrightYellow), driver.Contents [0, 2].Attribute);
+
+ driver.Refresh ();
+
+ // Expected output:
+ // Column 0: space with white-on-black
+ // Columns 1-2: 🍎 with red-on-yellow (both columns must have same attribute!)
+ //
+ // WITHOUT line 196, the output would be:
+ // \x1b[97m\x1b[40m (white-on-black for column 0)
+ // \x1b[91m\x1b[103m🍎 (red-on-yellow starts at column 1)
+ // \x1b[97m\x1b[40m (WRONG! Attribute changes mid-glyph because column 2 still has white-on-black)
+ //
+ // WITH line 196, the output is:
+ // \x1b[97m\x1b[40m (white-on-black for column 0)
+ // \x1b[91m\x1b[103m🍎 (red-on-yellow for both columns 1 and 2)
+ DriverAssert.AssertDriverOutputIs (
+ "\x1b[97m\x1b[40m \x1b[91m\x1b[103m🍎",
+ output,
+ driver);
+ }
}
diff --git a/Tests/UnitTestsParallelizable/Drivers/ClipRegionTests.cs b/Tests/UnitTestsParallelizable/Drivers/ClipRegionTests.cs
index c07d4070d..d36323999 100644
--- a/Tests/UnitTestsParallelizable/Drivers/ClipRegionTests.cs
+++ b/Tests/UnitTestsParallelizable/Drivers/ClipRegionTests.cs
@@ -23,12 +23,12 @@ public class ClipRegionTests (ITestOutputHelper output) : FakeDriverBase
Assert.Equal ("x", driver.Contents [5, 5].Grapheme);
// Clear the contents
- driver.FillRect (new Rectangle (0, 0, driver.Rows, driver.Cols), ' ');
+ driver.FillRect (new (0, 0, driver.Rows, driver.Cols), new Rune(' '));
Assert.Equal (" ", driver.Contents [0, 0].Grapheme);
// Setup the region with a single rectangle, fill screen with 'x'
- driver.Clip = new (new Rectangle (5, 5, 5, 5));
- driver.FillRect (new Rectangle (0, 0, driver.Rows, driver.Cols), 'x');
+ driver.Clip = new (new (5, 5, 5, 5));
+ driver.FillRect (new (0, 0, driver.Rows, driver.Cols), new Rune ('x'));
Assert.Equal (" ", driver.Contents [0, 0].Grapheme);
Assert.Equal (" ", driver.Contents [4, 9].Grapheme);
Assert.Equal ("x", driver.Contents [5, 5].Grapheme);
diff --git a/Tests/UnitTestsParallelizable/Drivers/DriverTests.cs b/Tests/UnitTestsParallelizable/Drivers/DriverTests.cs
index 9d88eb730..371331deb 100644
--- a/Tests/UnitTestsParallelizable/Drivers/DriverTests.cs
+++ b/Tests/UnitTestsParallelizable/Drivers/DriverTests.cs
@@ -1,4 +1,5 @@
#nullable enable
+using System.Text;
using UnitTests;
using Xunit.Abstractions;
@@ -104,6 +105,7 @@ public class DriverTests (ITestOutputHelper output) : FakeDriverBase
IApplication? app = Application.Create ();
app.Init (driverName);
IDriver driver = app.Driver!;
+ driver.GetOutputBuffer ().SetWideGlyphReplacement ((Rune)'①');
// Need to force "windows" driver to override legacy console mode for this test
driver.IsLegacyConsole = false;
@@ -127,14 +129,14 @@ public class DriverTests (ITestOutputHelper output) : FakeDriverBase
DriverAssert.AssertDriverContentsAre (
"""
- �┌─┐🍎
+ ①┌─┐🍎
""",
output,
driver);
driver.Refresh ();
- DriverAssert.AssertDriverOutputIs (@"\x1b[38;2;0;0;0m\x1b[48;2;0;0;0m�┌─┐🍎\x1b[38;2;255;255;255m\x1b[48;2;0;0;0m",
+ DriverAssert.AssertDriverOutputIs (@"\x1b[38;2;0;0;0m\x1b[48;2;0;0;0m①┌─┐🍎\x1b[38;2;255;255;255m\x1b[48;2;0;0;0m",
output, driver);
}
}
diff --git a/Tests/UnitTestsParallelizable/Drivers/OutputBaseTests.cs b/Tests/UnitTestsParallelizable/Drivers/OutputBaseTests.cs
index 6ac00a739..9931551b0 100644
--- a/Tests/UnitTestsParallelizable/Drivers/OutputBaseTests.cs
+++ b/Tests/UnitTestsParallelizable/Drivers/OutputBaseTests.cs
@@ -1,4 +1,7 @@
-namespace DriverTests;
+using System.Text;
+using Terminal.Gui.Drivers;
+
+namespace DriverTests;
public class OutputBaseTests
{
@@ -161,6 +164,8 @@ public class OutputBaseTests
// FakeOutput exposes this because it's in test scope
var output = new FakeOutput { IsLegacyConsole = isLegacyConsole };
IOutputBuffer buffer = output.GetLastBuffer ()!;
+ buffer.SetWideGlyphReplacement ((Rune)'①');
+
buffer.SetSize (3, 1);
// Write '🦮' at col 0 and 'A' at col 2
@@ -189,9 +194,9 @@ public class OutputBaseTests
// Column 0 was written (wide glyph)
Assert.False (buffer.Contents! [0, 0].IsDirty);
- // Column 1 was skipped by OutputBase.Write because column 0 had a wide glyph
- // So its dirty flag remains true (it was initialized as dirty by ClearContents)
- Assert.True (buffer.Contents! [0, 1].IsDirty);
+ // Column 1 was marked as clean by OutputBase.Write when it processed the wide glyph at column 0
+ // See: https://github.com/gui-cs/Terminal.Gui/issues/4466
+ Assert.False (buffer.Contents! [0, 1].IsDirty);
// Column 2 was written ('A')
Assert.False (buffer.Contents! [0, 2].IsDirty);
@@ -209,7 +214,7 @@ public class OutputBaseTests
output.Write (buffer);
- Assert.Contains ("�", output.GetLastOutput ());
+ Assert.Contains ("①", output.GetLastOutput ());
Assert.Contains ("X", output.GetLastOutput ());
// Dirty flags cleared for the written cells
diff --git a/Tests/UnitTestsParallelizable/Drivers/OutputBufferWideCharTests.cs b/Tests/UnitTestsParallelizable/Drivers/OutputBufferWideCharTests.cs
new file mode 100644
index 000000000..4e6a596af
--- /dev/null
+++ b/Tests/UnitTestsParallelizable/Drivers/OutputBufferWideCharTests.cs
@@ -0,0 +1,544 @@
+using System.Text;
+
+namespace DriverTests;
+
+///
+/// Tests for https://github.com/gui-cs/Terminal.Gui/issues/4466.
+/// These tests validate that FillRect properly handles wide characters when overlapping existing content.
+/// Specifically, they ensure that wide characters are properly invalidated and replaced when a MessageBox border or
+/// similar UI element is drawn over them, preventing visual corruption.
+///
+public class OutputBufferWideCharTests
+{
+ ///
+ /// Tests that FillRect properly invalidates wide characters when overwriting them.
+ /// This is the core issue in #4466 - when a MessageBox border is drawn over Chinese text,
+ /// the wide characters need to be properly invalidated.
+ ///
+ [Fact]
+ [Trait ("Category", "Output")]
+ public void FillRect_OverwritesWideChar_InvalidatesProperly ()
+ {
+ // Arrange - Create a buffer and draw a wide character
+ OutputBufferImpl buffer = new ()
+ {
+ Rows = 5, Cols = 10,
+ CurrentAttribute = new (Color.White, Color.Black)
+ };
+
+ // Draw a Chinese character (2 columns wide) at position 2,1
+ buffer.Move (2, 1);
+ buffer.AddStr ("你"); // Chinese character "you", 2 columns wide
+
+ // Verify the wide character was drawn
+ Assert.Equal ("你", buffer.Contents! [1, 2].Grapheme);
+ Assert.True (buffer.Contents [1, 2].IsDirty);
+
+ // With the fix, the second column should NOT be modified by AddStr
+ // The wide glyph naturally renders across both columns
+ Assert.NotEqual ("你", buffer.Contents [1, 3].Grapheme);
+
+ // Clear dirty flags to test FillRect behavior
+ for (var r = 0; r < buffer.Rows; r++)
+ {
+ for (var c = 0; c < buffer.Cols; c++)
+ {
+ buffer.Contents [r, c].IsDirty = false;
+ }
+ }
+
+ // Act - Fill a rectangle that overlaps the first column of the wide character
+ // This simulates drawing a MessageBox border over Chinese text
+ buffer.FillRect (new (2, 1, 1, 1), new Rune ('│'));
+
+ // Assert
+
+ // With FIXES_4466: FillRect calls AddStr, which properly invalidates the wide character
+ // The wide character at [1,2] should be replaced with replacement char or the new content
+ Assert.Equal ("│", buffer.Contents [1, 2].Grapheme);
+ Assert.True (buffer.Contents [1, 2].IsDirty, "Cell [1,2] should be marked dirty after FillRect");
+
+ // The adjacent cell should also be marked dirty for proper rendering
+ Assert.True (buffer.Contents [1, 3].IsDirty, "Adjacent cell [1,3] should be marked dirty to ensure proper rendering");
+ }
+
+ ///
+ /// Tests that FillRect handles overwriting the second column of a wide character.
+ /// When drawing at an odd column that's the second half of a wide glyph, the
+ /// wide glyph should be invalidated.
+ ///
+ [Fact]
+ [Trait ("Category", "Output")]
+ public void FillRect_OverwritesSecondColumnOfWideChar_InvalidatesWideChar ()
+ {
+ // Arrange
+ OutputBufferImpl buffer = new ()
+ {
+ Rows = 5, Cols = 10,
+ CurrentAttribute = new (Color.White, Color.Black)
+ };
+
+ // Draw a wide character at position 2,1
+ buffer.Move (2, 1);
+ buffer.AddStr ("好"); // Chinese character, 2 columns wide
+
+ Assert.Equal ("好", buffer.Contents! [1, 2].Grapheme);
+
+ // Clear dirty flags
+ for (var r = 0; r < buffer.Rows; r++)
+ {
+ for (var c = 0; c < buffer.Cols; c++)
+ {
+ buffer.Contents [r, c].IsDirty = false;
+ }
+ }
+
+ // Act - Fill at the second column of the wide character (position 3)
+ buffer.FillRect (new (3, 1, 1, 1), new Rune ('│'));
+
+ // Assert
+ // With the fix: The original wide character at col 2 should be invalidated
+ // because we're overwriting its second column
+ Assert.True (buffer.Contents [1, 2].IsDirty, "Wide char at col 2 should be invalidated when its second column is overwritten");
+ Assert.Equal (buffer.Contents [1, 2].Grapheme, Glyphs.WideGlyphReplacement.ToString ());
+
+ Assert.Equal ("│", buffer.Contents [1, 3].Grapheme);
+ Assert.True (buffer.Contents [1, 3].IsDirty);
+ }
+
+ ///
+ /// Tests the ChineseUI scenario: Drawing a MessageBox with borders over Chinese button text.
+ /// This simulates the specific repro case from the issue. See: https://github.com/gui-cs/Terminal.Gui/issues/4466
+ ///
+ [Fact]
+ [Trait ("Category", "Output")]
+ public void ChineseUI_MessageBox_Over_WideChars ()
+ {
+ // Arrange - Simulate the ChineseUI scenario
+ OutputBufferImpl buffer = new ()
+ {
+ Rows = 10, Cols = 30,
+ CurrentAttribute = new (Color.White, Color.Black)
+ };
+
+ // Draw Chinese button text (like "你好呀")
+ buffer.Move (5, 3);
+ buffer.AddStr ("你好呀"); // 3 Chinese characters, 6 columns total
+
+ // Verify initial state
+ Assert.Equal ("你", buffer.Contents! [3, 5].Grapheme);
+ Assert.Equal ("好", buffer.Contents [3, 7].Grapheme);
+ Assert.Equal ("呀", buffer.Contents [3, 9].Grapheme);
+
+ // Clear dirty flags to simulate the state before MessageBox draws
+ for (var r = 0; r < buffer.Rows; r++)
+ {
+ for (var c = 0; c < buffer.Cols; c++)
+ {
+ buffer.Contents [r, c].IsDirty = false;
+ }
+ }
+
+ // Act - Draw a MessageBox border that partially overlaps the Chinese text
+ // This simulates the mouse moving over the border, causing HighlightState changes
+ // Draw vertical line at column 8 (overlaps second char "好")
+ for (var row = 2; row < 6; row++)
+ {
+ buffer.FillRect (new (8, row, 1, 1), new Rune ('│'));
+ }
+
+ // Assert - The wide characters should be properly handled
+ // With the fix: Wide characters are properly invalidated
+ // The first character "你" at col 5 should be unaffected
+ Assert.Equal ("你", buffer.Contents [3, 5].Grapheme);
+
+ // The second character "好" at col 7 had its second column overwritten
+ // so it should be replaced with replacement char
+ Assert.Equal (buffer.Contents [3, 7].Grapheme, Glyphs.WideGlyphReplacement.ToString ());
+ Assert.True (buffer.Contents [3, 7].IsDirty, "Invalidated wide char should be marked dirty");
+
+ // The border should be drawn at col 8
+ Assert.Equal ("│", buffer.Contents [3, 8].Grapheme);
+ Assert.True (buffer.Contents [3, 8].IsDirty);
+
+ // The third character "呀" at col 9 should be unaffected
+ Assert.Equal ("呀", buffer.Contents [3, 9].Grapheme);
+ }
+
+ ///
+ /// Tests that FillRect works correctly with single-width characters (baseline behavior).
+ /// This should work the same with or without FIXES_4466.
+ ///
+ [Fact]
+ [Trait ("Category", "Output")]
+ public void FillRect_SingleWidthChars_WorksCorrectly ()
+ {
+ // Arrange
+ OutputBufferImpl buffer = new ()
+ {
+ Rows = 5, Cols = 10,
+ CurrentAttribute = new (Color.White, Color.Black)
+ };
+
+ // Draw some ASCII text
+ buffer.Move (2, 1);
+ buffer.AddStr ("ABC");
+
+ Assert.Equal ("A", buffer.Contents! [1, 2].Grapheme);
+ Assert.Equal ("B", buffer.Contents [1, 3].Grapheme);
+ Assert.Equal ("C", buffer.Contents [1, 4].Grapheme);
+
+ // Clear dirty flags
+ for (var r = 0; r < buffer.Rows; r++)
+ {
+ for (var c = 0; c < buffer.Cols; c++)
+ {
+ buffer.Contents [r, c].IsDirty = false;
+ }
+ }
+
+ // Act - Overwrite with FillRect
+ buffer.FillRect (new (3, 1, 1, 1), new Rune ('X'));
+
+ // Assert - This should work the same regardless of FIXES_4466
+ Assert.Equal ("A", buffer.Contents [1, 2].Grapheme);
+ Assert.Equal ("X", buffer.Contents [1, 3].Grapheme);
+ Assert.True (buffer.Contents [1, 3].IsDirty);
+ Assert.Equal ("C", buffer.Contents [1, 4].Grapheme);
+ }
+
+ ///
+ /// Tests FillRect with wide characters at buffer boundaries.
+ ///
+ [Fact]
+ [Trait ("Category", "Output")]
+ public void FillRect_WideChar_AtBufferBoundary ()
+ {
+ // Arrange
+ OutputBufferImpl buffer = new ()
+ {
+ Rows = 5, Cols = 10,
+ CurrentAttribute = new (Color.White, Color.Black)
+ };
+
+ // Draw a wide character at the right edge (col 8, which would extend to col 9)
+ buffer.Move (8, 1);
+ buffer.AddStr ("山"); // Chinese character "mountain", 2 columns wide
+
+ Assert.Equal ("山", buffer.Contents! [1, 8].Grapheme);
+
+ // Clear dirty flags
+ for (var r = 0; r < buffer.Rows; r++)
+ {
+ for (var c = 0; c < buffer.Cols; c++)
+ {
+ buffer.Contents [r, c].IsDirty = false;
+ }
+ }
+
+ // Act - FillRect at the wide character position
+ buffer.FillRect (new (8, 1, 1, 1), new Rune ('│'));
+
+ // Assert
+ Assert.Equal ("│", buffer.Contents [1, 8].Grapheme);
+ Assert.True (buffer.Contents [1, 8].IsDirty);
+
+ // Adjacent cell should be marked dirty
+ Assert.True (
+ buffer.Contents [1, 9].IsDirty,
+ "Cell after wide char replacement should be marked dirty");
+ }
+
+ ///
+ /// Tests OutputBase.Write method marks cells dirty correctly for wide characters.
+ /// This tests the other half of the fix in OutputBase.cs.
+ ///
+ [Fact]
+ [Trait ("Category", "Output")]
+ public void OutputBase_Write_WideChar_MarksCellsDirty ()
+ {
+ // Arrange
+ OutputBufferImpl buffer = new ()
+ {
+ Rows = 5, Cols = 20,
+ CurrentAttribute = new (Color.White, Color.Black)
+ };
+
+ // Draw a line with wide characters
+ buffer.Move (0, 1);
+ buffer.AddStr ("你好"); // Two wide characters
+
+ // Mark all as not dirty to simulate post-Write state
+ for (var r = 0; r < buffer.Rows; r++)
+ {
+ for (var c = 0; c < buffer.Cols; c++)
+ {
+ buffer.Contents! [r, c].IsDirty = false;
+ }
+ }
+
+ // Verify initial state
+ Assert.Equal ("你", buffer.Contents! [1, 0].Grapheme);
+ Assert.Equal ("好", buffer.Contents [1, 2].Grapheme);
+
+ // Act - Now overwrite the first wide char by writing at its position
+ buffer.Move (0, 1);
+ buffer.AddStr ("A"); // Single width char
+
+ // Assert
+ // With the fix: The first cell is replaced with 'A' and marked dirty
+ Assert.Equal ("A", buffer.Contents [1, 0].Grapheme);
+ Assert.True (buffer.Contents [1, 0].IsDirty);
+
+ // The adjacent cell (col 1) should be marked dirty for proper rendering
+ Assert.True (
+ buffer.Contents [1, 1].IsDirty,
+ "Adjacent cell should be marked dirty after writing single-width char over wide char");
+
+ // The second wide char should remain
+ Assert.Equal ("好", buffer.Contents [1, 2].Grapheme);
+ }
+
+ ///
+ /// Tests that filling a rectangle with spaces properly handles wide character cleanup.
+ /// This simulates clearing a region that contains wide characters.
+ ///
+ [Fact]
+ [Trait ("Category", "Output")]
+ public void FillRect_WithSpaces_OverWideChars ()
+ {
+ // Arrange
+ OutputBufferImpl buffer = new ()
+ {
+ Rows = 5, Cols = 15,
+ CurrentAttribute = new (Color.White, Color.Black)
+ };
+
+ // Draw a line of mixed content
+ buffer.Move (2, 2);
+ buffer.AddStr ("A你B好C");
+
+ // Verify setup
+ Assert.Equal ("A", buffer.Contents! [2, 2].Grapheme);
+ Assert.Equal ("你", buffer.Contents [2, 3].Grapheme);
+ Assert.Equal ("B", buffer.Contents [2, 5].Grapheme);
+ Assert.Equal ("好", buffer.Contents [2, 6].Grapheme);
+ Assert.Equal ("C", buffer.Contents [2, 8].Grapheme);
+
+ // Clear dirty flags
+ for (var r = 0; r < buffer.Rows; r++)
+ {
+ for (var c = 0; c < buffer.Cols; c++)
+ {
+ buffer.Contents [r, c].IsDirty = false;
+ }
+ }
+
+ // Act - Fill the region with spaces (simulating clearing)
+ buffer.FillRect (new (3, 2, 4, 1), new Rune (' '));
+
+ // Assert
+ // With the fix: Wide characters are properly handled
+ Assert.Equal (" ", buffer.Contents [2, 3].Grapheme);
+ Assert.True (buffer.Contents [2, 3].IsDirty);
+
+ // Wide character '你' at col 3 was replaced, so col 4 should be marked dirty
+ Assert.True (
+ buffer.Contents [2, 4].IsDirty,
+ "Cell after replaced wide char should be dirty");
+
+ Assert.Equal (" ", buffer.Contents [2, 4].Grapheme);
+ Assert.Equal (" ", buffer.Contents [2, 5].Grapheme);
+ Assert.Equal (" ", buffer.Contents [2, 6].Grapheme);
+
+ // Cell 7 should be dirty because '好' was partially overwritten
+ Assert.True (
+ buffer.Contents [2, 7].IsDirty,
+ "Adjacent cell should be dirty after wide char replacement");
+ }
+
+ ///
+ /// Tests the edge case where a wide character's first column is outside the clip region
+ /// but the second column is inside.
+ /// IMPORTANT: This test documents that the code path in WriteWideGrapheme where:
+ /// - !Clip.Contains(col, row) is true (first column outside)
+ /// - Clip.Contains(col + 1, row) is true (second column inside)
+ /// is CURRENTLY UNREACHABLE because IsValidLocation checks Clip.Contains(col, row) and
+ /// returns false before WriteWideGrapheme is called. This test verifies the current behavior
+ /// (nothing is written when first column is outside clip).
+ /// If the behavior should change to write the second column with a replacement character,
+ /// the logic in IsValidLocation or AddGrapheme needs to be modified.
+ ///
+ [Fact]
+ [Trait ("Category", "Output")]
+ public void AddStr_WideChar_FirstColumnOutsideClip_SecondColumnInside_CurrentBehavior ()
+ {
+ // Arrange
+ OutputBufferImpl buffer = new ()
+ {
+ Rows = 5,
+ Cols = 10,
+ CurrentAttribute = new (Color.White, Color.Black)
+ };
+
+ // Set custom replacement characters to verify they're being used
+ Rune customColumn1Replacement = new ('◄');
+ Rune customColumn2Replacement = new ('►');
+ buffer.SetWideGlyphReplacement (customColumn1Replacement);
+
+ // Set clip region that starts at column 3 (odd column)
+ // This creates a scenario where col 2 is outside clip, but col 3 is inside
+ buffer.Clip = new (new (3, 1, 5, 3));
+
+ // Clear initial contents to ensure clean state
+ for (var r = 0; r < buffer.Rows; r++)
+ {
+ for (var c = 0; c < buffer.Cols; c++)
+ {
+ buffer.Contents! [r, c].IsDirty = false;
+ buffer.Contents [r, c].Grapheme = " ";
+ }
+ }
+
+ // Act - Try to draw a wide character at column 2
+ // Column 2 is outside clip, but column 3 is inside clip
+ buffer.Move (2, 1);
+ buffer.AddStr ("你"); // Chinese character "you", 2 columns wide
+
+ // Assert
+ // CURRENT BEHAVIOR: IsValidLocation returns false when col 2 is outside clip,
+ // so NOTHING is written - neither column 2 nor column 3
+ Assert.Equal (" ", buffer.Contents! [1, 2].Grapheme);
+ Assert.False (buffer.Contents [1, 2].IsDirty, "Cell outside clip should not be marked dirty");
+
+ // Column 3 is also not written because IsValidLocation returned false
+ // The code path in WriteWideGrapheme that would write the replacement char
+ // to column 3 is never reached
+ Assert.Equal (" ", buffer.Contents [1, 3].Grapheme);
+
+ Assert.False (
+ buffer.Contents [1, 3].IsDirty,
+ "Currently, second column is not written when first column is outside clip");
+
+ // Verify Col has been advanced by only 1 (not by the wide character width)
+ // because the grapheme was not validated/processed when IsValidLocation returned false
+ Assert.Equal (3, buffer.Col);
+ }
+
+ ///
+ /// Tests the complementary case: wide character's second column is outside clip
+ /// but first column is inside. This should use the column 1 replacement character.
+ ///
+ [Fact]
+ [Trait ("Category", "Output")]
+ public void AddStr_WideChar_SecondColumnOutsideClip_FirstColumnInside_UsesColumn1Replacement ()
+ {
+ // Arrange
+ OutputBufferImpl buffer = new ()
+ {
+ Rows = 5,
+ Cols = 10,
+ CurrentAttribute = new (Color.White, Color.Black)
+ };
+
+ // Set custom replacement characters
+ Rune customColumn1Replacement = new ('◄');
+ Rune customColumn2Replacement = new ('►');
+ buffer.SetWideGlyphReplacement (customColumn1Replacement);
+
+ // Set clip region that ends at column 6 (even column)
+ // This creates a scenario where col 5 is inside, but col 6 is outside
+ buffer.Clip = new (new (0, 1, 6, 3));
+
+ // Clear initial contents
+ for (var r = 0; r < buffer.Rows; r++)
+ {
+ for (var c = 0; c < buffer.Cols; c++)
+ {
+ buffer.Contents! [r, c].IsDirty = false;
+ buffer.Contents [r, c].Grapheme = " ";
+ }
+ }
+
+ // Act - Try to draw a wide character at column 5
+ // Column 5 is inside clip, but column 6 is outside clip
+ buffer.Move (5, 1);
+ buffer.AddStr ("好"); // Chinese character, 2 columns wide
+
+ // Assert
+ // The first column (col 5) is inside clip but second column (6) is outside
+ // Should use column 1 replacement char to indicate it can't fit
+ Assert.Equal (
+ customColumn1Replacement.ToString (),
+ buffer.Contents! [1, 5].Grapheme);
+
+ Assert.True (
+ buffer.Contents [1, 5].IsDirty,
+ "First column should be marked dirty with replacement char when second column is clipped");
+
+ // The second column is outside clip boundaries entirely
+ Assert.Equal (" ", buffer.Contents [1, 6].Grapheme);
+ Assert.False (buffer.Contents [1, 6].IsDirty, "Cell outside clip should not be modified");
+
+ // Verify Col has been advanced by 2 (wide character width)
+ Assert.Equal (7, buffer.Col);
+ }
+
+ ///
+ /// Tests that when both columns of a wide character are inside the clip,
+ /// the character is drawn normally without replacement characters.
+ ///
+ [Fact]
+ [Trait ("Category", "Output")]
+ public void AddStr_WideChar_BothColumnsInsideClip_DrawsNormally ()
+ {
+ // Arrange
+ OutputBufferImpl buffer = new ()
+ {
+ Rows = 5,
+ Cols = 10,
+ CurrentAttribute = new (Color.White, Color.Black)
+ };
+
+ // Set custom replacement characters (should NOT be used in this case)
+ Rune customColumn1Replacement = new ('◄');
+ Rune customColumn2Replacement = new ('►');
+ buffer.SetWideGlyphReplacement (customColumn1Replacement);
+
+ // Set clip region that includes columns 2-7
+ buffer.Clip = new (new (2, 1, 6, 3));
+
+ // Clear initial contents
+ for (var r = 0; r < buffer.Rows; r++)
+ {
+ for (var c = 0; c < buffer.Cols; c++)
+ {
+ buffer.Contents! [r, c].IsDirty = false;
+ buffer.Contents [r, c].Grapheme = " ";
+ }
+ }
+
+ // Act - Draw a wide character at column 4 (both 4 and 5 are inside clip)
+ buffer.Move (4, 1);
+ buffer.AddStr ("山"); // Chinese character "mountain", 2 columns wide
+
+ // Assert
+ // Both columns are inside clip, so the wide character should be drawn normally
+ Assert.Equal ("山", buffer.Contents! [1, 4].Grapheme);
+ Assert.True (buffer.Contents [1, 4].IsDirty, "First column should be marked dirty");
+
+ // The second column should NOT be marked dirty by WriteWideGrapheme
+ // The wide glyph naturally renders across both columns without modifying column N+1
+ // See: https://github.com/gui-cs/Terminal.Gui/issues/4258
+ Assert.False (
+ buffer.Contents [1, 5].IsDirty,
+ "Adjacent cell should NOT be marked dirty when writing wide char (see #4258)");
+
+ // Verify no replacement characters were used
+ Assert.NotEqual (customColumn1Replacement.ToString (), buffer.Contents [1, 4].Grapheme);
+ Assert.NotEqual (customColumn2Replacement.ToString (), buffer.Contents [1, 5].Grapheme);
+
+ // Verify Col has been advanced by 2
+ Assert.Equal (6, buffer.Col);
+ }
+}
diff --git a/Tests/UnitTestsParallelizable/ViewBase/Adornment/BorderArrangementTests.cs b/Tests/UnitTestsParallelizable/ViewBase/Adornment/BorderArrangementTests.cs
index e69de29bb..71ad1202c 100644
--- a/Tests/UnitTestsParallelizable/ViewBase/Adornment/BorderArrangementTests.cs
+++ b/Tests/UnitTestsParallelizable/ViewBase/Adornment/BorderArrangementTests.cs
@@ -0,0 +1,193 @@
+#nullable enable
+using System.Text;
+using UnitTests;
+using Xunit.Abstractions;
+
+namespace ViewBaseTests.Adornments;
+
+[Collection ("Global Test Setup")]
+public class BorderArrangementTests (ITestOutputHelper output)
+{
+ [Fact]
+ public void Arrangement_Handles_Wide_Glyphs_Correctly ()
+ {
+ IApplication app = Application.Create ();
+ app.Init ("fake");
+
+ app.Driver?.SetScreenSize (6, 5);
+ app.Driver?.GetOutputBuffer ().SetWideGlyphReplacement (Rune.ReplacementChar);
+
+ Runnable superview = new () { Width = Dim.Fill (), Height = Dim.Fill () };
+
+ superview.Text = """
+ 🍎🍎🍎
+ 🍎🍎🍎
+ 🍎🍎🍎
+ 🍎🍎🍎
+ 🍎🍎🍎
+ """;
+
+ View view = new ()
+ {
+ X = 2, Width = 4, Height = 4, BorderStyle = LineStyle.Single,
+ Arrangement = ViewArrangement.Movable | ViewArrangement.Resizable, CanFocus = true
+ };
+ superview.Add (view);
+
+ app.Begin (superview);
+
+ Assert.Equal ("Absolute(2)", view.X.ToString ());
+
+ DriverAssert.AssertDriverContentsAre (
+ """
+ 🍎┌──┐
+ 🍎│ │
+ 🍎│ │
+ 🍎└──┘
+ 🍎🍎🍎
+ """,
+ output,
+ app.Driver);
+
+ Assert.True (app.Keyboard.RaiseKeyDownEvent (Key.F5.WithCtrl));
+ app.LayoutAndDraw ();
+
+ DriverAssert.AssertDriverContentsAre (
+ """
+ 🍎◊──┐
+ 🍎│ │
+ 🍎│ │
+ 🍎└──↘
+ 🍎🍎🍎
+ """,
+ output,
+ app.Driver);
+
+ Assert.True (app.Keyboard.RaiseKeyDownEvent (Key.CursorLeft));
+ Assert.Equal ("Absolute(1)", view.X.ToString ());
+ app.LayoutAndDraw ();
+
+ DriverAssert.AssertDriverContentsAre (
+ """
+ �◊──┐
+ �│ │
+ �│ │
+ �└──↘
+ 🍎🍎🍎
+ """,
+ output,
+ app.Driver);
+
+ Assert.True (app.Keyboard.RaiseKeyDownEvent (Key.CursorLeft));
+ Assert.Equal ("Absolute(0)", view.X.ToString ());
+ app.LayoutAndDraw ();
+
+ DriverAssert.AssertDriverContentsAre (
+ """
+ ◊──┐🍎
+ │ │🍎
+ │ │🍎
+ └──↘🍎
+ 🍎🍎🍎
+ """,
+ output,
+ app.Driver);
+ }
+
+ [Fact]
+ public void Arrangement_With_SubView_In_Border_Handles_Wide_Glyphs_Correctly ()
+ {
+ IApplication app = Application.Create ();
+ app.Init ("fake");
+
+ app.Driver?.SetScreenSize (8, 7);
+ app.Driver?.GetOutputBuffer ().SetWideGlyphReplacement (Rune.ReplacementChar);
+
+ Runnable superview = new () { Width = Dim.Fill (), Height = Dim.Fill () };
+
+ superview.Text = """
+ 🍎🍎🍎🍎
+ 🍎🍎🍎🍎
+ 🍎🍎🍎🍎
+ 🍎🍎🍎🍎
+ 🍎🍎🍎🍎
+ 🍎🍎🍎🍎
+ 🍎🍎🍎🍎
+ """;
+
+ View view = new ()
+ {
+ X = 2, Width = 6, Height = 6, Arrangement = ViewArrangement.Movable | ViewArrangement.Resizable, CanFocus = true
+ };
+ view.Border!.Thickness = new (1);
+ view.Border.Add (new View { Height = Dim.Auto (), Width = Dim.Auto (), Text = "Hi" });
+ superview.Add (view);
+
+ app.Begin (superview);
+
+ Assert.Equal ("Absolute(2)", view.X.ToString ());
+
+ DriverAssert.AssertDriverContentsAre (
+ """
+ 🍎Hi
+ 🍎
+ 🍎
+ 🍎
+ 🍎
+ 🍎
+ 🍎🍎🍎🍎
+ """,
+ output,
+ app.Driver);
+
+ Assert.True (app.Keyboard.RaiseKeyDownEvent (Key.F5.WithCtrl));
+ app.LayoutAndDraw ();
+
+ DriverAssert.AssertDriverContentsAre (
+ """
+ 🍎◊i
+ 🍎
+ 🍎
+ 🍎
+ 🍎
+ 🍎 ↘
+ 🍎🍎🍎🍎
+ """,
+ output,
+ app.Driver);
+
+ Assert.True (app.Keyboard.RaiseKeyDownEvent (Key.CursorLeft));
+ Assert.Equal ("Absolute(1)", view.X.ToString ());
+ app.LayoutAndDraw ();
+
+ DriverAssert.AssertDriverContentsAre (
+ """
+ �◊i
+ �
+ �
+ �
+ �
+ � ↘
+ 🍎🍎🍎🍎
+ """,
+ output,
+ app.Driver);
+
+ Assert.True (app.Keyboard.RaiseKeyDownEvent (Key.CursorLeft));
+ Assert.Equal ("Absolute(0)", view.X.ToString ());
+ app.LayoutAndDraw ();
+
+ DriverAssert.AssertDriverContentsAre (
+ """
+ ◊i 🍎
+ 🍎
+ 🍎
+ 🍎
+ 🍎
+ ↘🍎
+ 🍎🍎🍎🍎
+ """,
+ output,
+ app.Driver);
+ }
+}
\ No newline at end of file
diff --git a/Tests/UnitTestsParallelizable/ViewBase/Adornment/MarginTests.cs b/Tests/UnitTestsParallelizable/ViewBase/Adornment/MarginTests.cs
index 482b2519e..eeaf1165a 100644
--- a/Tests/UnitTestsParallelizable/ViewBase/Adornment/MarginTests.cs
+++ b/Tests/UnitTestsParallelizable/ViewBase/Adornment/MarginTests.cs
@@ -133,4 +133,26 @@ MMM",
Assert.True (view.Margin!.ViewportSettings.HasFlag (ViewportSettingsFlags.Transparent), "Margin should be transparent when ShadowStyle is Opaque..");
}
+ [Fact]
+ public void Margin_Layouts_Correctly ()
+ {
+ View superview = new () { Width = 10, Height = 5 };
+ View view = new () { Width = 3, Height = 1, BorderStyle = LineStyle.Single };
+ view.Margin!.Thickness = new (1);
+ View view2 = new () { X = Pos.Right (view), Width = 3, Height = 1, BorderStyle = LineStyle.Single };
+ view2.Margin!.Thickness = new (1);
+ View view3 = new () { Y = Pos.Bottom (view), Width = 3, Height = 1, BorderStyle = LineStyle.Single };
+ view3.Margin!.Thickness = new (1);
+ superview.Add (view, view2, view3);
+
+ superview.LayoutSubViews ();
+
+ Assert.Equal (new (0, 0, 10, 5), superview.Frame);
+ Assert.Equal (new (0, 0, 3, 1), view.Frame);
+ Assert.Equal (Rectangle.Empty, view.Viewport);
+ Assert.Equal (new (3, 0, 3, 1), view2.Frame);
+ Assert.Equal (Rectangle.Empty, view2.Viewport);
+ Assert.Equal (new (0, 1, 3, 1), view3.Frame);
+ Assert.Equal (Rectangle.Empty, view3.Viewport);
+ }
}
diff --git a/Tests/UnitTestsParallelizable/ViewBase/Adornment/ShadowStyletests.cs b/Tests/UnitTestsParallelizable/ViewBase/Adornment/ShadowStyletests.cs
deleted file mode 100644
index 49bb7f0e7..000000000
--- a/Tests/UnitTestsParallelizable/ViewBase/Adornment/ShadowStyletests.cs
+++ /dev/null
@@ -1,76 +0,0 @@
-namespace ViewBaseTests.Adornments;
-
-[Collection ("Global Test Setup")]
-
-public class ShadowStyleTests
-{
- [Fact]
- public void Default_None ()
- {
- var view = new View ();
- Assert.Equal (ShadowStyle.None, view.ShadowStyle);
- Assert.Equal (ShadowStyle.None, view.Margin!.ShadowStyle);
- view.Dispose ();
- }
-
- [Theory]
- [InlineData (ShadowStyle.None)]
- [InlineData (ShadowStyle.Opaque)]
- [InlineData (ShadowStyle.Transparent)]
- public void Set_View_Sets_Margin (ShadowStyle style)
- {
- var view = new View ();
-
- view.ShadowStyle = style;
- Assert.Equal (style, view.ShadowStyle);
- Assert.Equal (style, view.Margin!.ShadowStyle);
- view.Dispose ();
- }
-
-
- [Theory]
- [InlineData (ShadowStyle.None, 0, 0, 0, 0)]
- [InlineData (ShadowStyle.Opaque, 0, 0, 1, 1)]
- [InlineData (ShadowStyle.Transparent, 0, 0, 1, 1)]
- public void ShadowStyle_Margin_Thickness (ShadowStyle style, int expectedLeft, int expectedTop, int expectedRight, int expectedBottom)
- {
- var superView = new View
- {
- Height = 10, Width = 10
- };
-
- View view = new ()
- {
- Width = Dim.Auto (),
- Height = Dim.Auto (),
- Text = "0123",
- HighlightStates = MouseState.Pressed,
- ShadowStyle = style,
- CanFocus = true
- };
-
- superView.Add (view);
- superView.BeginInit ();
- superView.EndInit ();
-
- Assert.Equal (new (expectedLeft, expectedTop, expectedRight, expectedBottom), view.Margin!.Thickness);
- }
-
-
- [Theory]
- [InlineData (ShadowStyle.None, 3)]
- [InlineData (ShadowStyle.Opaque, 4)]
- [InlineData (ShadowStyle.Transparent, 4)]
- public void Style_Changes_Margin_Thickness (ShadowStyle style, int expected)
- {
- var view = new View ();
- view.Margin!.Thickness = new (3);
- view.ShadowStyle = style;
- Assert.Equal (new (3, 3, expected, expected), view.Margin.Thickness);
-
- view.ShadowStyle = ShadowStyle.None;
- Assert.Equal (new (3), view.Margin.Thickness);
- view.Dispose ();
- }
-
-}
diff --git a/Tests/UnitTestsParallelizable/ViewBase/Adornment/ShadowTests.cs b/Tests/UnitTestsParallelizable/ViewBase/Adornment/ShadowTests.cs
new file mode 100644
index 000000000..281fa1b2f
--- /dev/null
+++ b/Tests/UnitTestsParallelizable/ViewBase/Adornment/ShadowTests.cs
@@ -0,0 +1,487 @@
+using System.Text;
+using UnitTests;
+using Xunit.Abstractions;
+
+namespace ViewBaseTests.Adornments;
+
+[Collection ("Global Test Setup")]
+
+public class ShadowTests (ITestOutputHelper output)
+{
+ private readonly ITestOutputHelper _output = output;
+
+ [Fact]
+ public void Default_None ()
+ {
+ var view = new View ();
+ Assert.Equal (ShadowStyle.None, view.ShadowStyle);
+ Assert.Equal (ShadowStyle.None, view.Margin!.ShadowStyle);
+ view.Dispose ();
+ }
+
+ [Theory]
+ [InlineData (ShadowStyle.None)]
+ [InlineData (ShadowStyle.Opaque)]
+ [InlineData (ShadowStyle.Transparent)]
+ public void Set_View_Sets_Margin (ShadowStyle style)
+ {
+ var view = new View ();
+
+ view.ShadowStyle = style;
+ Assert.Equal (style, view.ShadowStyle);
+ Assert.Equal (style, view.Margin!.ShadowStyle);
+ view.Dispose ();
+ }
+
+
+ [Theory]
+ [InlineData (ShadowStyle.None, 0, 0, 0, 0)]
+ [InlineData (ShadowStyle.Opaque, 0, 0, 1, 1)]
+ [InlineData (ShadowStyle.Transparent, 0, 0, 1, 1)]
+ public void ShadowStyle_Margin_Thickness (ShadowStyle style, int expectedLeft, int expectedTop, int expectedRight, int expectedBottom)
+ {
+ var superView = new View
+ {
+ Height = 10, Width = 10
+ };
+
+ View view = new ()
+ {
+ Width = Dim.Auto (),
+ Height = Dim.Auto (),
+ Text = "0123",
+ HighlightStates = MouseState.Pressed,
+ ShadowStyle = style,
+ CanFocus = true
+ };
+
+ superView.Add (view);
+ superView.BeginInit ();
+ superView.EndInit ();
+
+ Assert.Equal (new (expectedLeft, expectedTop, expectedRight, expectedBottom), view.Margin!.Thickness);
+ }
+
+
+ [Theory]
+ [InlineData (ShadowStyle.None, 3)]
+ [InlineData (ShadowStyle.Opaque, 4)]
+ [InlineData (ShadowStyle.Transparent, 4)]
+ public void Style_Changes_Margin_Thickness (ShadowStyle style, int expected)
+ {
+ var view = new View ();
+ view.Margin!.Thickness = new (3);
+ view.ShadowStyle = style;
+ Assert.Equal (new (3, 3, expected, expected), view.Margin.Thickness);
+
+ view.ShadowStyle = ShadowStyle.None;
+ Assert.Equal (new (3), view.Margin.Thickness);
+ view.Dispose ();
+ }
+
+ [Theory]
+ [InlineData (ShadowStyle.Opaque)]
+ [InlineData (ShadowStyle.Transparent)]
+ public void ShadowWidth_ShadowHeight_Defaults_To_One (ShadowStyle style)
+ {
+ View view = new () { ShadowStyle = style };
+
+ Assert.Equal (new (1, 1), view.Margin!.ShadowSize);
+ }
+
+ [Theory]
+ [InlineData (ShadowStyle.None, 0)]
+ [InlineData (ShadowStyle.Opaque, 1)]
+ [InlineData (ShadowStyle.Transparent, 1)]
+ public void Margin_ShadowWidth_ShadowHeight_Cannot_Be_Set_Less_Than_One (ShadowStyle style, int expectedLength)
+ {
+ View view = new () { ShadowStyle = style };
+ view.Margin!.ShadowSize = new (-1, -1);
+ Assert.Equal (expectedLength, view.Margin!.ShadowSize.Width);
+ Assert.Equal (expectedLength, view.Margin!.ShadowSize.Height);
+ }
+
+ [Fact]
+ public void Changing_ShadowStyle_Correctly_Set_ShadowWidth_ShadowHeight_Thickness ()
+ {
+ View view = new () { ShadowStyle = ShadowStyle.Transparent };
+ view.Margin!.ShadowSize = new (2, 2);
+
+ Assert.Equal (new (2, 2), view.Margin!.ShadowSize);
+ Assert.Equal (new (0, 0, 2, 2), view.Margin.Thickness);
+
+ view.ShadowStyle = ShadowStyle.None;
+ Assert.Equal (new (2, 2), view.Margin!.ShadowSize);
+ Assert.Equal (new (0, 0, 0, 0), view.Margin.Thickness);
+
+ view.ShadowStyle = ShadowStyle.Opaque;
+ Assert.Equal (new (1, 1), view.Margin!.ShadowSize);
+ Assert.Equal (new (0, 0, 1, 1), view.Margin.Thickness);
+ }
+
+ [Fact]
+ public void ShadowStyle_Transparent_Handles_Wide_Glyphs_Correctly ()
+ {
+ IApplication app = Application.Create ();
+ app.Init ("fake");
+
+ app.Driver?.SetScreenSize (6, 5);
+ app.Driver?.GetOutputBuffer ().SetWideGlyphReplacement (Rune.ReplacementChar);
+
+ Runnable superview = new () { Width = Dim.Fill (), Height = Dim.Fill () };
+
+ superview.Text = """
+ 🍎🍎🍎
+ 🍎🍎🍎
+ 🍎🍎🍎
+ 🍎🍎🍎
+ 🍎🍎🍎
+ """;
+
+ View view = new () { Width = Dim.Fill (), Height = Dim.Fill (), BorderStyle = LineStyle.Single, ShadowStyle = ShadowStyle.Transparent };
+ view.Margin!.ShadowSize = view.Margin!.ShadowSize with { Width = 2 };
+ superview.Add (view);
+
+ app.Begin (superview);
+
+ DriverAssert.AssertDriverContentsAre (
+ """
+ ┌──┐🍎
+ │ │🍎
+ │ │🍎
+ └──┘🍎
+ � 🍎🍎
+ """,
+ output,
+ app.Driver);
+
+ view.Margin!.ShadowSize = new (1, 2);
+
+ app.LayoutAndDraw ();
+
+ DriverAssert.AssertDriverContentsAre (
+ """
+ ┌──┐🍎
+ │ │�
+ └──┘�
+ � 🍎🍎
+ � 🍎🍎
+ """,
+ output,
+ app.Driver);
+ }
+
+ [Fact]
+ public void ShadowStyle_Opaque_Change_Thickness_On_Mouse_Pressed_Released ()
+ {
+ IApplication app = Application.Create ();
+ app.Init ("fake");
+
+ app.Driver?.SetScreenSize (10, 4);
+
+ Runnable superview = new () { Width = Dim.Fill (), Height = Dim.Fill () };
+ View view = new () { Width = 7, Height = 2, ShadowStyle = ShadowStyle.Opaque, Text = "| Hi |", HighlightStates = MouseState.Pressed };
+ superview.Add (view);
+
+ app.Begin (superview);
+
+ DriverAssert.AssertDriverContentsAre (
+ """
+ | Hi |▖
+ ▝▀▀▀▀▀▘
+ """,
+ output,
+ app.Driver);
+
+ app.Mouse.RaiseMouseEvent (new () { ScreenPosition = new (2, 0), Flags = MouseFlags.Button1Pressed });
+ app.LayoutAndDraw ();
+
+ DriverAssert.AssertDriverContentsAre (
+ """
+ | Hi |
+ """,
+ output,
+ app.Driver);
+
+ app.Mouse.RaiseMouseEvent (new () { ScreenPosition = new (2, 0), Flags = MouseFlags.Button1Released });
+ app.LayoutAndDraw ();
+
+ DriverAssert.AssertDriverContentsAre (
+ """
+ | Hi |▖
+ ▝▀▀▀▀▀▘
+ """,
+ output,
+ app.Driver);
+ }
+
+ [Fact]
+ public void ShadowStyle_Transparent_Never_Throws_Navigating_Outside_Bounds ()
+ {
+ IApplication app = Application.Create ();
+ app.Init ("fake");
+
+ app.Driver?.SetScreenSize (6, 5);
+
+ Runnable superview = new () { Width = Dim.Fill (), Height = Dim.Fill () };
+
+ superview.Text = """
+ 🍎🍎🍎
+ 🍎🍎🍎
+ 🍎🍎🍎
+ 🍎🍎🍎
+ 🍎🍎🍎
+ """;
+
+ View view = new ()
+ {
+ Width = Dim.Fill (), Height = Dim.Fill (), BorderStyle = LineStyle.Single, ShadowStyle = ShadowStyle.Transparent,
+ Arrangement = ViewArrangement.Movable, CanFocus = true
+ };
+ view.Margin!.ShadowSize = view.Margin!.ShadowSize with { Width = 2 };
+ superview.Add (view);
+
+ app.Begin (superview);
+
+ Assert.Equal (new (0, 0), view.Frame.Location);
+
+ Assert.True (app.Keyboard.RaiseKeyDownEvent (Key.F5.WithCtrl));
+
+ int i = 0;
+ DecrementValue (-10, Key.CursorLeft);
+ Assert.Equal (-10, i);
+
+ IncrementValue (0, Key.CursorRight);
+ Assert.Equal (0, i);
+
+ DecrementValue (-10, Key.CursorUp);
+ Assert.Equal (-10, i);
+
+ IncrementValue (20, Key.CursorDown);
+ Assert.Equal (20, i);
+
+ DecrementValue (0, Key.CursorUp);
+ Assert.Equal (0, i);
+
+ IncrementValue (20, Key.CursorRight);
+ Assert.Equal (20, i);
+
+ return;
+
+ void DecrementValue (int count, Key key)
+ {
+ for (; i > count; i--)
+ {
+ Assert.True (app.Keyboard.RaiseKeyDownEvent (key));
+ app.LayoutAndDraw ();
+
+ CheckAssertion (new (i - 1, 0), new (0, i - 1), key);
+ }
+ }
+
+ void IncrementValue (int count, Key key)
+ {
+ for (; i < count; i++)
+ {
+ Assert.True (app.Keyboard.RaiseKeyDownEvent (key));
+ app.LayoutAndDraw ();
+
+ CheckAssertion (new (i + 1, 0), new (0, i + 1), key);
+ }
+ }
+
+ bool? IsColumn (Key key)
+ {
+ if (key == Key.CursorLeft || key == Key.CursorRight)
+ {
+ return true;
+ }
+
+ if (key == Key.CursorUp || key == Key.CursorDown)
+ {
+ return false;
+ }
+
+ return null;
+ }
+
+ void CheckAssertion (Point colLocation, Point rowLocation, Key key)
+ {
+ bool? isCol = IsColumn (key);
+
+ switch (isCol)
+ {
+ case true:
+ Assert.Equal (colLocation, view.Frame.Location);
+
+ break;
+ case false:
+ Assert.Equal (rowLocation, view.Frame.Location);
+
+ break;
+ default:
+ throw new InvalidOperationException ();
+ }
+ }
+ }
+
+ [Theory]
+ [InlineData (ShadowStyle.None, 3)]
+ [InlineData (ShadowStyle.Opaque, 4)]
+ [InlineData (ShadowStyle.Transparent, 4)]
+ public void Margin_Thickness_Changes_Adjust_Correctly (ShadowStyle style, int expected)
+ {
+ var view = new View ();
+ view.Margin!.Thickness = new (3);
+ view.ShadowStyle = style;
+ Assert.Equal (new (3, 3, expected, expected), view.Margin.Thickness);
+
+ view.Margin.Thickness = new (3, 3, expected + 1, expected + 1);
+ Assert.Equal (new (3, 3, expected + 1, expected + 1), view.Margin.Thickness);
+ view.ShadowStyle = ShadowStyle.None;
+ Assert.Equal (new (3, 3, 4, 4), view.Margin.Thickness);
+ view.Dispose ();
+ }
+
+ [Fact]
+ public void Runnable_View_Overlap_Other_Runnables ()
+ {
+ IApplication app = Application.Create ();
+ app.Init ("fake");
+
+ app.Driver?.SetScreenSize (10, 5);
+
+ Runnable superview = new () { Width = Dim.Fill (), Height = Dim.Fill (), Text = "🍎".Repeat (25)! };
+ View view = new () { Width = 7, Height = 2, ShadowStyle = ShadowStyle.Opaque, Text = "| Hi |" };
+ superview.Add (view);
+
+ app.Begin (superview);
+
+ DriverAssert.AssertDriverContentsAre (
+ """
+ | Hi |▖ 🍎
+ ▝▀▀▀▀▀▘ 🍎
+ 🍎🍎🍎🍎🍎
+ 🍎🍎🍎🍎🍎
+ 🍎🍎🍎🍎🍎
+ """,
+ output,
+ app.Driver);
+
+ Runnable modalSuperview = new () { Y = 1, Width = Dim.Fill (), Height = 4, BorderStyle = LineStyle.Single };
+ View view1 = new () { Width = 8, Height = 2, ShadowStyle = ShadowStyle.Opaque, Text = "| Hey |" };
+ modalSuperview.Add (view1);
+
+ app.Begin (modalSuperview);
+
+ Assert.True (modalSuperview.IsModal);
+
+ DriverAssert.AssertDriverContentsAre (
+ """
+ | Hi |▖ 🍎
+ ┌────────┐
+ │| Hey |▖│
+ │▝▀▀▀▀▀▀▘│
+ └────────┘
+ """,
+ output,
+ app.Driver);
+
+
+ app.Dispose ();
+ }
+
+ [Fact]
+ public void TransparentShadow_Draws_Transparent_At_Driver_Output ()
+ {
+ // Arrange
+ using IApplication app = Application.Create ();
+ app.Init ("fake");
+ app.Driver!.SetScreenSize (2, 1);
+ app.Driver.Force16Colors = true;
+
+ using Runnable superView = new ();
+ superView.Width = Dim.Fill ();
+ superView.Height = Dim.Fill ();
+ superView.Text = "AB";
+ superView.TextFormatter.WordWrap = true;
+ superView.SetScheme (new (new Attribute (Color.Black, Color.White)));
+
+ // Create view with transparent shadow
+ View viewWithShadow = new ()
+ {
+ Width = Dim.Auto (),
+ Height = Dim.Auto (),
+ Text = "*",
+ ShadowStyle = ShadowStyle.Transparent
+ };
+ // Make it so the margin is only on the right for simplicity
+ viewWithShadow.Margin!.Thickness = new (0, 0, 1, 0);
+ viewWithShadow.SetScheme (new (new Attribute (Color.Black, Color.White)));
+
+ superView.Add (viewWithShadow);
+
+ // Act
+ app.Begin (superView);
+ app.LayoutAndDraw ();
+ app.Driver.Refresh ();
+
+ // Assert
+ _output.WriteLine ("Actual driver contents:");
+ _output.WriteLine (app.Driver.ToString ());
+ _output.WriteLine ("\nActual driver output:");
+ string? output = app.Driver.GetOutput ().GetLastOutput ();
+ _output.WriteLine (output);
+
+ DriverAssert.AssertDriverOutputIs ("""
+ \x1b[30m\x1b[107m*\x1b[90m\x1b[100mB
+ """, _output, app.Driver);
+ }
+
+ [Fact]
+ public void TransparentShadow_OverWide_Draws_Transparent_At_Driver_Output ()
+ {
+ // Arrange
+ using IApplication app = Application.Create ();
+ app.Init ("fake");
+ app.Driver!.SetScreenSize (2, 3);
+ app.Driver.Force16Colors = true;
+
+ using Runnable superView = new ();
+ superView.Width = Dim.Fill ();
+ superView.Height = Dim.Fill ();
+ superView.Text = "🍎🍎🍎🍎";
+ superView.TextFormatter.WordWrap = true;
+ superView.SetScheme (new (new Attribute (Color.Black, Color.White)));
+
+ // Create view with transparent shadow
+ View viewWithShadow = new ()
+ {
+ Width = Dim.Auto (),
+ Height = Dim.Auto (),
+ Text = "*",
+ ShadowStyle = ShadowStyle.Transparent
+ };
+ // Make it so the margin is only on the bottom for simplicity
+ viewWithShadow.Margin!.Thickness = new (0, 0, 0, 1);
+ viewWithShadow.SetScheme (new (new Attribute (Color.Black, Color.White)));
+
+ superView.Add (viewWithShadow);
+
+ // Act
+ app.Begin (superView);
+ app.LayoutAndDraw ();
+ app.Driver.Refresh ();
+
+ // Assert
+ _output.WriteLine ("Actual driver contents:");
+ _output.WriteLine (app.Driver.ToString ());
+ _output.WriteLine ("\nActual driver output:");
+ string? output = app.Driver.GetOutput ().GetLastOutput ();
+ _output.WriteLine (output);
+
+ DriverAssert.AssertDriverOutputIs ("""
+ \x1b[30m\x1b[107m*\x1b[90m\x1b[103m \x1b[97m\x1b[40m \x1b[90m\x1b[100m \x1b[97m\x1b[40m🍎
+ """, _output, app.Driver);
+ }
+}
diff --git a/Tests/UnitTestsParallelizable/ViewBase/Draw/ViewDrawingClippingTests.cs b/Tests/UnitTestsParallelizable/ViewBase/Draw/ViewDrawingClippingTests.cs
index 7774d1886..e24280295 100644
--- a/Tests/UnitTestsParallelizable/ViewBase/Draw/ViewDrawingClippingTests.cs
+++ b/Tests/UnitTestsParallelizable/ViewBase/Draw/ViewDrawingClippingTests.cs
@@ -574,6 +574,7 @@ public class ViewDrawingClippingTests (ITestOutputHelper output) : FakeDriverBas
};
superView.Add (viewWithBorderAtX0, viewWithBorderAtX1, viewWithBorderAtX2);
+ driver.GetOutputBuffer ().SetWideGlyphReplacement ((Rune)'①');
app.Begin (superView);
// Begin calls LayoutAndDraw, so no need to call it again here
// app.LayoutAndDraw();
@@ -585,9 +586,9 @@ public class ViewDrawingClippingTests (ITestOutputHelper output) : FakeDriverBas
┆viewWithBorderAtX0┆🍎🍎🍎
└╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌┘🍎🍎🍎
🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎
- �┌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌┐ 🍎🍎
- �┆viewWithBorderAtX1┆ 🍎🍎
- �└╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌┘ 🍎🍎
+ ①┌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌┐ 🍎🍎
+ ①┆viewWithBorderAtX1┆ 🍎🍎
+ ①└╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌┘ 🍎🍎
🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎
🍎┌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌┐🍎🍎
🍎┆viewWithBorderAtX2┆🍎🍎
@@ -597,7 +598,7 @@ public class ViewDrawingClippingTests (ITestOutputHelper output) : FakeDriverBas
output,
driver);
- DriverAssert.AssertDriverOutputIs (@"\x1b[38;2;95;158;160m\x1b[48;2;54;69;79m🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎\x1b[38;2;255;255;255m\x1b[48;2;0;0;0m \x1b[38;2;95;158;160m\x1b[48;2;54;69;79m┌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌┐🍎🍎🍎\x1b[38;2;255;255;255m\x1b[48;2;0;0;0m \x1b[38;2;95;158;160m\x1b[48;2;54;69;79m┆viewWithBorderAtX0┆🍎🍎🍎\x1b[38;2;255;255;255m\x1b[48;2;0;0;0m \x1b[38;2;95;158;160m\x1b[48;2;54;69;79m└╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌┘🍎🍎🍎\x1b[38;2;255;255;255m\x1b[48;2;0;0;0m \x1b[38;2;95;158;160m\x1b[48;2;54;69;79m🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎\x1b[38;2;255;255;255m\x1b[48;2;0;0;0m \x1b[38;2;95;158;160m\x1b[48;2;54;69;79m�┌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌┐ 🍎🍎\x1b[38;2;255;255;255m\x1b[48;2;0;0;0m \x1b[38;2;95;158;160m\x1b[48;2;54;69;79m�┆viewWithBorderAtX1┆ 🍎🍎\x1b[38;2;255;255;255m\x1b[48;2;0;0;0m \x1b[38;2;95;158;160m\x1b[48;2;54;69;79m�└╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌┘ 🍎🍎\x1b[38;2;255;255;255m\x1b[48;2;0;0;0m \x1b[38;2;95;158;160m\x1b[48;2;54;69;79m🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎\x1b[38;2;255;255;255m\x1b[48;2;0;0;0m \x1b[38;2;95;158;160m\x1b[48;2;54;69;79m🍎┌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌┐🍎🍎\x1b[38;2;255;255;255m\x1b[48;2;0;0;0m \x1b[38;2;95;158;160m\x1b[48;2;54;69;79m🍎┆viewWithBorderAtX2┆🍎🍎\x1b[38;2;255;255;255m\x1b[48;2;0;0;0m \x1b[38;2;95;158;160m\x1b[48;2;54;69;79m🍎└╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌┘🍎🍎\x1b[38;2;255;255;255m\x1b[48;2;0;0;0m \x1b[38;2;95;158;160m\x1b[48;2;54;69;79m🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎\x1b[38;2;255;255;255m\x1b[48;2;0;0;0m",
+ DriverAssert.AssertDriverOutputIs (@"\x1b[38;2;95;158;160m\x1b[48;2;54;69;79m🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎\x1b[38;2;255;255;255m\x1b[48;2;0;0;0m \x1b[38;2;95;158;160m\x1b[48;2;54;69;79m┌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌┐🍎🍎🍎\x1b[38;2;255;255;255m\x1b[48;2;0;0;0m \x1b[38;2;95;158;160m\x1b[48;2;54;69;79m┆viewWithBorderAtX0┆🍎🍎🍎\x1b[38;2;255;255;255m\x1b[48;2;0;0;0m \x1b[38;2;95;158;160m\x1b[48;2;54;69;79m└╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌┘🍎🍎🍎\x1b[38;2;255;255;255m\x1b[48;2;0;0;0m \x1b[38;2;95;158;160m\x1b[48;2;54;69;79m🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎\x1b[38;2;255;255;255m\x1b[48;2;0;0;0m \x1b[38;2;95;158;160m\x1b[48;2;54;69;79m①┌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌┐ 🍎🍎\x1b[38;2;255;255;255m\x1b[48;2;0;0;0m \x1b[38;2;95;158;160m\x1b[48;2;54;69;79m①┆viewWithBorderAtX1┆ 🍎🍎\x1b[38;2;255;255;255m\x1b[48;2;0;0;0m \x1b[38;2;95;158;160m\x1b[48;2;54;69;79m①└╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌┘ 🍎🍎\x1b[38;2;255;255;255m\x1b[48;2;0;0;0m \x1b[38;2;95;158;160m\x1b[48;2;54;69;79m🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎\x1b[38;2;255;255;255m\x1b[48;2;0;0;0m \x1b[38;2;95;158;160m\x1b[48;2;54;69;79m🍎┌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌┐🍎🍎\x1b[38;2;255;255;255m\x1b[48;2;0;0;0m \x1b[38;2;95;158;160m\x1b[48;2;54;69;79m🍎┆viewWithBorderAtX2┆🍎🍎\x1b[38;2;255;255;255m\x1b[48;2;0;0;0m \x1b[38;2;95;158;160m\x1b[48;2;54;69;79m🍎└╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌┘🍎🍎\x1b[38;2;255;255;255m\x1b[48;2;0;0;0m \x1b[38;2;95;158;160m\x1b[48;2;54;69;79m🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎\x1b[38;2;255;255;255m\x1b[48;2;0;0;0m",
output, driver);
DriverImpl? driverImpl = driver as DriverImpl;
@@ -617,9 +618,9 @@ public class ViewDrawingClippingTests (ITestOutputHelper output) : FakeDriverBas
┆viewWithBorderAtX0┆🍎🍎🍎
└╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌┘🍎🍎🍎
🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎
- �┌──────────────────┐ 🍎🍎
- �│viewWithBorderAtX1│ 🍎🍎
- �└──────────────────┘ 🍎🍎
+ ①┌──────────────────┐ 🍎🍎
+ ①│viewWithBorderAtX1│ 🍎🍎
+ ①└──────────────────┘ 🍎🍎
🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎
🍎┌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌┐🍎🍎
🍎┆viewWithBorderAtX2┆🍎🍎
@@ -675,18 +676,19 @@ public class ViewDrawingClippingTests (ITestOutputHelper output) : FakeDriverBas
};
superView.Add (viewWithBorder);
+ driver.GetOutputBuffer ().SetWideGlyphReplacement ((Rune)'①');
app.Begin (superView);
DriverAssert.AssertDriverContentsAre (
"""
- �┌─┐🍎
- �│X│🍎
- �└─┘🍎
+ ①┌─┐🍎
+ ①│X│🍎
+ ①└─┘🍎
""",
output,
driver);
- DriverAssert.AssertDriverOutputIs (@"\x1b[38;2;95;158;160m\x1b[48;2;54;69;79m�┌─┐🍎�│X│🍎�└─┘🍎",
+ DriverAssert.AssertDriverOutputIs (@"\x1b[38;2;95;158;160m\x1b[48;2;54;69;79m①┌─┐🍎①│X│🍎①└─┘🍎",
output, driver);
DriverImpl? driverImpl = driver as DriverImpl;
@@ -738,19 +740,21 @@ public class ViewDrawingClippingTests (ITestOutputHelper output) : FakeDriverBas
Height = 3
};
+ driver.GetOutputBuffer ().SetWideGlyphReplacement ((Rune)'①');
+
superView.Add (viewWithBorder);
app.Begin (superView);
DriverAssert.AssertDriverContentsAre (
"""
- 🍎�┌─┐
- 🍎�│X│
- 🍎�└─┘
+ 🍎①┌─┐
+ 🍎①│X│
+ 🍎①└─┘
""",
output,
driver);
- DriverAssert.AssertDriverOutputIs (@"\x1b[38;2;95;158;160m\x1b[48;2;54;69;79m🍎�┌─┐🍎�│X│🍎�└─┘",
+ DriverAssert.AssertDriverOutputIs (@"\x1b[38;2;95;158;160m\x1b[48;2;54;69;79m🍎①┌─┐🍎①│X│🍎①└─┘",
output, driver);
DriverImpl? driverImpl = driver as DriverImpl;