mirror of
https://github.com/gui-cs/Terminal.Gui.git
synced 2025-12-26 15:57:56 +01:00
526 lines
18 KiB
C#
526 lines
18 KiB
C#
using NStack;
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using Xunit;
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using Xunit.Abstractions;
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namespace Terminal.Gui.ViewTests {
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public class ScrollViewTests {
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readonly ITestOutputHelper output;
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public ScrollViewTests (ITestOutputHelper output)
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{
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this.output = output;
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}
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[Fact]
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public void Constructors_Defaults ()
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{
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var sv = new ScrollView ();
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Assert.Equal (LayoutStyle.Computed, sv.LayoutStyle);
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Assert.True (sv.CanFocus);
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Assert.Equal (new Rect (0, 0, 0, 0), sv.Frame);
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Assert.Equal (Rect.Empty, sv.Frame);
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Assert.Null (sv.X);
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Assert.Null (sv.Y);
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Assert.Null (sv.Width);
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Assert.Null (sv.Height);
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Assert.Equal (Point.Empty, sv.ContentOffset);
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Assert.Equal (Size.Empty, sv.ContentSize);
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Assert.True (sv.AutoHideScrollBars);
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Assert.True (sv.KeepContentAlwaysInViewport);
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sv = new ScrollView (new Rect (1, 2, 20, 10));
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Assert.Equal (LayoutStyle.Absolute, sv.LayoutStyle);
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Assert.True (sv.CanFocus);
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Assert.Equal (new Rect (1, 2, 20, 10), sv.Frame);
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Assert.Null (sv.X);
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Assert.Null (sv.Y);
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Assert.Null (sv.Width);
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Assert.Null (sv.Height);
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Assert.Equal (Point.Empty, sv.ContentOffset);
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Assert.Equal (Size.Empty, sv.ContentSize);
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Assert.True (sv.AutoHideScrollBars);
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Assert.True (sv.KeepContentAlwaysInViewport);
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}
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[Fact]
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public void Adding_Views ()
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{
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var sv = new ScrollView (new Rect (0, 0, 20, 10)) {
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ContentSize = new Size (30, 20)
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};
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sv.Add (new View () { Width = 10, Height = 5 },
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new View () { X = 12, Y = 7, Width = 10, Height = 5 });
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Assert.Equal (new Size (30, 20), sv.ContentSize);
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Assert.Equal (2, sv.Subviews [0].Subviews.Count);
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}
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[Fact]
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public void KeyBindings_Command ()
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{
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var sv = new ScrollView (new Rect (0, 0, 20, 10)) {
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ContentSize = new Size (40, 20)
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};
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sv.Add (new View () { Width = 20, Height = 5 },
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new View () { X = 22, Y = 7, Width = 10, Height = 5 });
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Assert.True (sv.KeepContentAlwaysInViewport);
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Assert.True (sv.AutoHideScrollBars);
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Assert.Equal (new Point (0, 0), sv.ContentOffset);
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Assert.False (sv.ProcessKey (new KeyEvent (Key.CursorUp, new KeyModifiers ())));
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Assert.Equal (new Point (0, 0), sv.ContentOffset);
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Assert.True (sv.ProcessKey (new KeyEvent (Key.CursorDown, new KeyModifiers ())));
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Assert.Equal (new Point (0, -1), sv.ContentOffset);
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Assert.True (sv.ProcessKey (new KeyEvent (Key.CursorUp, new KeyModifiers ())));
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Assert.Equal (new Point (0, 0), sv.ContentOffset);
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Assert.False (sv.ProcessKey (new KeyEvent (Key.PageUp, new KeyModifiers ())));
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Assert.Equal (new Point (0, 0), sv.ContentOffset);
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Assert.True (sv.ProcessKey (new KeyEvent (Key.PageDown, new KeyModifiers ())));
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Assert.Equal (new Point (0, -10), sv.ContentOffset);
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Assert.False (sv.ProcessKey (new KeyEvent (Key.PageDown, new KeyModifiers ())));
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Assert.Equal (new Point (0, -10), sv.ContentOffset);
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Assert.False (sv.ProcessKey (new KeyEvent (Key.CursorDown, new KeyModifiers ())));
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Assert.Equal (new Point (0, -10), sv.ContentOffset);
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Assert.True (sv.ProcessKey (new KeyEvent ((Key)'v' | Key.AltMask, new KeyModifiers ())));
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Assert.Equal (new Point (0, 0), sv.ContentOffset);
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Assert.True (sv.ProcessKey (new KeyEvent (Key.V | Key.CtrlMask, new KeyModifiers ())));
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Assert.Equal (new Point (0, -10), sv.ContentOffset);
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Assert.False (sv.ProcessKey (new KeyEvent (Key.CursorLeft, new KeyModifiers ())));
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Assert.Equal (new Point (0, -10), sv.ContentOffset);
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Assert.True (sv.ProcessKey (new KeyEvent (Key.CursorRight, new KeyModifiers ())));
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Assert.Equal (new Point (-1, -10), sv.ContentOffset);
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Assert.True (sv.ProcessKey (new KeyEvent (Key.CursorLeft, new KeyModifiers ())));
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Assert.Equal (new Point (0, -10), sv.ContentOffset);
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Assert.False (sv.ProcessKey (new KeyEvent (Key.PageUp | Key.CtrlMask, new KeyModifiers ())));
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Assert.Equal (new Point (0, -10), sv.ContentOffset);
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Assert.True (sv.ProcessKey (new KeyEvent (Key.PageDown | Key.CtrlMask, new KeyModifiers ())));
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Assert.Equal (new Point (-20, -10), sv.ContentOffset);
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Assert.False (sv.ProcessKey (new KeyEvent (Key.CursorRight, new KeyModifiers ())));
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Assert.Equal (new Point (-20, -10), sv.ContentOffset);
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Assert.True (sv.ProcessKey (new KeyEvent (Key.Home, new KeyModifiers ())));
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Assert.Equal (new Point (-20, 0), sv.ContentOffset);
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Assert.False (sv.ProcessKey (new KeyEvent (Key.Home, new KeyModifiers ())));
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Assert.Equal (new Point (-20, 0), sv.ContentOffset);
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Assert.True (sv.ProcessKey (new KeyEvent (Key.End, new KeyModifiers ())));
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Assert.Equal (new Point (-20, -10), sv.ContentOffset);
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Assert.False (sv.ProcessKey (new KeyEvent (Key.End, new KeyModifiers ())));
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Assert.Equal (new Point (-20, -10), sv.ContentOffset);
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Assert.True (sv.ProcessKey (new KeyEvent (Key.Home | Key.CtrlMask, new KeyModifiers ())));
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Assert.Equal (new Point (0, -10), sv.ContentOffset);
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Assert.False (sv.ProcessKey (new KeyEvent (Key.Home | Key.CtrlMask, new KeyModifiers ())));
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Assert.Equal (new Point (0, -10), sv.ContentOffset);
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Assert.True (sv.ProcessKey (new KeyEvent (Key.End | Key.CtrlMask, new KeyModifiers ())));
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Assert.Equal (new Point (-20, -10), sv.ContentOffset);
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Assert.False (sv.ProcessKey (new KeyEvent (Key.End | Key.CtrlMask, new KeyModifiers ())));
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Assert.Equal (new Point (-20, -10), sv.ContentOffset);
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Assert.True (sv.ProcessKey (new KeyEvent (Key.Home, new KeyModifiers ())));
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Assert.Equal (new Point (-20, 0), sv.ContentOffset);
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Assert.True (sv.ProcessKey (new KeyEvent (Key.Home | Key.CtrlMask, new KeyModifiers ())));
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Assert.Equal (new Point (0, 0), sv.ContentOffset);
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sv.KeepContentAlwaysInViewport = false;
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Assert.False (sv.KeepContentAlwaysInViewport);
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Assert.True (sv.AutoHideScrollBars);
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Assert.Equal (new Point (0, 0), sv.ContentOffset);
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Assert.False (sv.ProcessKey (new KeyEvent (Key.CursorUp, new KeyModifiers ())));
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Assert.Equal (new Point (0, 0), sv.ContentOffset);
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Assert.True (sv.ProcessKey (new KeyEvent (Key.CursorDown, new KeyModifiers ())));
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Assert.Equal (new Point (0, -1), sv.ContentOffset);
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Assert.True (sv.ProcessKey (new KeyEvent (Key.CursorUp, new KeyModifiers ())));
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Assert.Equal (new Point (0, 0), sv.ContentOffset);
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Assert.False (sv.ProcessKey (new KeyEvent (Key.PageUp, new KeyModifiers ())));
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Assert.Equal (new Point (0, 0), sv.ContentOffset);
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Assert.True (sv.ProcessKey (new KeyEvent (Key.PageDown, new KeyModifiers ())));
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Assert.Equal (new Point (0, -10), sv.ContentOffset);
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Assert.True (sv.ProcessKey (new KeyEvent (Key.PageDown, new KeyModifiers ())));
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Assert.Equal (new Point (0, -19), sv.ContentOffset);
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Assert.False (sv.ProcessKey (new KeyEvent (Key.PageDown, new KeyModifiers ())));
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Assert.Equal (new Point (0, -19), sv.ContentOffset);
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Assert.False (sv.ProcessKey (new KeyEvent (Key.CursorDown, new KeyModifiers ())));
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Assert.Equal (new Point (0, -19), sv.ContentOffset);
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Assert.True (sv.ProcessKey (new KeyEvent ((Key)'v' | Key.AltMask, new KeyModifiers ())));
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Assert.Equal (new Point (0, -9), sv.ContentOffset);
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Assert.True (sv.ProcessKey (new KeyEvent (Key.V | Key.CtrlMask, new KeyModifiers ())));
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Assert.Equal (new Point (0, -19), sv.ContentOffset);
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Assert.False (sv.ProcessKey (new KeyEvent (Key.CursorLeft, new KeyModifiers ())));
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Assert.Equal (new Point (0, -19), sv.ContentOffset);
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Assert.True (sv.ProcessKey (new KeyEvent (Key.CursorRight, new KeyModifiers ())));
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Assert.Equal (new Point (-1, -19), sv.ContentOffset);
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Assert.True (sv.ProcessKey (new KeyEvent (Key.CursorLeft, new KeyModifiers ())));
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Assert.Equal (new Point (0, -19), sv.ContentOffset);
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Assert.False (sv.ProcessKey (new KeyEvent (Key.PageUp | Key.CtrlMask, new KeyModifiers ())));
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Assert.Equal (new Point (0, -19), sv.ContentOffset);
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Assert.True (sv.ProcessKey (new KeyEvent (Key.PageDown | Key.CtrlMask, new KeyModifiers ())));
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Assert.Equal (new Point (-20, -19), sv.ContentOffset);
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Assert.True (sv.ProcessKey (new KeyEvent (Key.PageDown | Key.CtrlMask, new KeyModifiers ())));
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Assert.Equal (new Point (-39, -19), sv.ContentOffset);
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Assert.False (sv.ProcessKey (new KeyEvent (Key.PageDown | Key.CtrlMask, new KeyModifiers ())));
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Assert.Equal (new Point (-39, -19), sv.ContentOffset);
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Assert.False (sv.ProcessKey (new KeyEvent (Key.CursorRight, new KeyModifiers ())));
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Assert.Equal (new Point (-39, -19), sv.ContentOffset);
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Assert.True (sv.ProcessKey (new KeyEvent (Key.PageUp | Key.CtrlMask, new KeyModifiers ())));
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Assert.Equal (new Point (-19, -19), sv.ContentOffset);
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Assert.True (sv.ProcessKey (new KeyEvent (Key.Home, new KeyModifiers ())));
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Assert.Equal (new Point (-19, 0), sv.ContentOffset);
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Assert.False (sv.ProcessKey (new KeyEvent (Key.Home, new KeyModifiers ())));
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Assert.Equal (new Point (-19, 0), sv.ContentOffset);
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Assert.True (sv.ProcessKey (new KeyEvent (Key.End, new KeyModifiers ())));
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Assert.Equal (new Point (-19, -19), sv.ContentOffset);
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Assert.False (sv.ProcessKey (new KeyEvent (Key.End, new KeyModifiers ())));
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Assert.Equal (new Point (-19, -19), sv.ContentOffset);
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Assert.True (sv.ProcessKey (new KeyEvent (Key.Home | Key.CtrlMask, new KeyModifiers ())));
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Assert.Equal (new Point (0, -19), sv.ContentOffset);
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Assert.False (sv.ProcessKey (new KeyEvent (Key.Home | Key.CtrlMask, new KeyModifiers ())));
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Assert.Equal (new Point (0, -19), sv.ContentOffset);
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Assert.True (sv.ProcessKey (new KeyEvent (Key.End | Key.CtrlMask, new KeyModifiers ())));
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Assert.Equal (new Point (-39, -19), sv.ContentOffset);
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Assert.False (sv.ProcessKey (new KeyEvent (Key.End | Key.CtrlMask, new KeyModifiers ())));
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Assert.Equal (new Point (-39, -19), sv.ContentOffset);
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}
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[Fact, AutoInitShutdown]
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public void AutoHideScrollBars_ShowHorizontalScrollIndicator_ShowVerticalScrollIndicator ()
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{
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var sv = new ScrollView {
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Width = 10,
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Height = 10
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};
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Application.Top.Add (sv);
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Application.Begin (Application.Top);
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Assert.True (sv.AutoHideScrollBars);
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Assert.False (sv.ShowHorizontalScrollIndicator);
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Assert.False (sv.ShowVerticalScrollIndicator);
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TestHelpers.AssertDriverContentsWithFrameAre ("", output);
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sv.AutoHideScrollBars = false;
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sv.ShowHorizontalScrollIndicator = true;
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sv.ShowVerticalScrollIndicator = true;
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sv.Redraw (sv.Bounds);
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TestHelpers.AssertDriverContentsWithFrameAre (@"
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▲
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┬
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│
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│
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│
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│
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│
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┴
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▼
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◄├─────┤►
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", output);
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}
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[Fact, AutoInitShutdown]
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public void ContentSize_AutoHideScrollBars_ShowHorizontalScrollIndicator_ShowVerticalScrollIndicator ()
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{
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var sv = new ScrollView {
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Width = 10,
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Height = 10,
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ContentSize = new Size (50, 50)
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};
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Application.Top.Add (sv);
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Application.Begin (Application.Top);
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Assert.Equal (50, sv.ContentSize.Width);
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Assert.Equal (50, sv.ContentSize.Height);
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Assert.True (sv.AutoHideScrollBars);
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Assert.True (sv.ShowHorizontalScrollIndicator);
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Assert.True (sv.ShowVerticalScrollIndicator);
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TestHelpers.AssertDriverContentsWithFrameAre (@"
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▲
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┬
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┴
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░
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░
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░
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░
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░
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▼
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◄├┤░░░░░►
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", output);
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}
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[Fact, AutoInitShutdown]
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public void ContentOffset_ContentSize_AutoHideScrollBars_ShowHorizontalScrollIndicator_ShowVerticalScrollIndicator ()
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{
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var sv = new ScrollView {
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Width = 10,
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Height = 10,
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ContentSize = new Size (50, 50),
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ContentOffset = new Point (25, 25)
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};
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Application.Top.Add (sv);
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Application.Begin (Application.Top);
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Assert.Equal (-25, sv.ContentOffset.X);
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Assert.Equal (-25, sv.ContentOffset.Y);
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Assert.Equal (50, sv.ContentSize.Width);
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Assert.Equal (50, sv.ContentSize.Height);
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Assert.True (sv.AutoHideScrollBars);
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Assert.True (sv.ShowHorizontalScrollIndicator);
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Assert.True (sv.ShowVerticalScrollIndicator);
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TestHelpers.AssertDriverContentsWithFrameAre (@"
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▲
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░
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░
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░
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┬
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│
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┴
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░
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▼
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◄░░░├─┤░►
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", output);
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}
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[Fact, AutoInitShutdown]
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public void Frame_And_Labels_Does_Not_Overspill_ScrollView ()
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{
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var sv = new ScrollView {
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X = 3,
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Y = 3,
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Width = 10,
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Height = 10,
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ContentSize = new Size (50, 50)
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};
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for (int i = 0; i < 8; i++) {
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sv.Add (new CustomButton ("█", $"Button {i}", 20, 3) { Y = i * 3 });
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}
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Application.Top.Add (sv);
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Application.Begin (Application.Top);
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TestHelpers.AssertDriverContentsWithFrameAre (@"
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█████████▲
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██████But┬
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█████████┴
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┌────────░
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│ But░
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└────────░
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┌────────░
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│ But░
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└────────▼
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◄├┤░░░░░► ", output);
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sv.ContentOffset = new Point (5, 5);
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Application.Refresh ();
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TestHelpers.AssertDriverContentsWithFrameAre (@"
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─────────▲
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─────────┬
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Button 2│
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─────────┴
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─────────░
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Button 3░
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─────────░
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─────────░
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Button 4▼
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◄├─┤░░░░► ", output);
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}
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private class CustomButton : FrameView {
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private Label labelFill;
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private Label labelText;
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public CustomButton (string fill, ustring text, int width, int height)
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{
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Width = width;
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Height = height;
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labelFill = new Label () { AutoSize = false, Width = Dim.Fill (), Height = Dim.Fill (), Visible = false };
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var fillText = new System.Text.StringBuilder ();
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for (int i = 0; i < Bounds.Height; i++) {
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if (i > 0) {
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fillText.AppendLine ("");
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}
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for (int j = 0; j < Bounds.Width; j++) {
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fillText.Append (fill);
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}
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}
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labelFill.Text = fillText.ToString ();
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labelText = new Label (text) { X = Pos.Center (), Y = Pos.Center () };
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Add (labelFill, labelText);
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CanFocus = true;
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}
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public override bool OnEnter (View view)
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{
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Border.BorderStyle = BorderStyle.None;
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Border.DrawMarginFrame = false;
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labelFill.Visible = true;
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view = this;
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return base.OnEnter (view);
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}
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public override bool OnLeave (View view)
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{
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Border.BorderStyle = BorderStyle.Single;
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Border.DrawMarginFrame = true;
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labelFill.Visible = false;
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if (view == null)
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view = this;
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return base.OnLeave (view);
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}
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}
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[Fact, AutoInitShutdown]
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public void Clear_Window_Inside_ScrollView ()
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{
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var topLabel = new Label ("At 15,0") { X = 15 };
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var sv = new ScrollView {
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X = 3,
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Y = 3,
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Width = 10,
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Height = 10,
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ContentSize = new Size (23, 23),
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KeepContentAlwaysInViewport = false
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};
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var bottomLabel = new Label ("At 15,15") { X = 15, Y = 15 };
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Application.Top.Add (topLabel, sv, bottomLabel);
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Application.Begin (Application.Top);
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TestHelpers.AssertDriverContentsWithFrameAre (@"
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At 15,0
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▲
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┬
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┴
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░
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░
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░
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░
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░
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▼
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◄├┤░░░░░►
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At 15,15", output);
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var attributes = new Attribute [] {
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Colors.TopLevel.Normal,
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Colors.TopLevel.Focus,
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Colors.Base.Normal
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};
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TestHelpers.AssertDriverColorsAre (@"
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00000000000000000000000
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00000000000000000000000
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00000000000000000000000
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00000000000010000000000
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00000000000010000000000
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00000000000010000000000
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00000000000010000000000
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00000000000010000000000
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00000000000010000000000
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00000000000010000000000
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00000000000010000000000
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00000000000010000000000
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00011111111110000000000
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00000000000000000000000
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00000000000000000000000
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00000000000000000000000", attributes);
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sv.Add (new Window ("1") { X = 3, Y = 3, Width = 20, Height = 20 });
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Application.Refresh ();
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TestHelpers.AssertDriverContentsWithFrameAre (@"
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At 15,0
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▲
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┬
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┴
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┌ 1 ──░
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│ ░
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│ ░
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│ ░
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│ ░
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│ ▼
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◄├┤░░░░░►
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At 15,15", output);
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TestHelpers.AssertDriverColorsAre (@"
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00000000000000000000000
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00000000000000000000000
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00000000000000000000000
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00000000000010000000000
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00000000000010000000000
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00000000000010000000000
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00000022222210000000000
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00000022222210000000000
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00000022222210000000000
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00000022222210000000000
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00000022222210000000000
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00000022222210000000000
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00011111111110000000000
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00000000000000000000000
|
|
00000000000000000000000
|
|
00000000000000000000000", attributes);
|
|
|
|
sv.ContentOffset = new Point (20, 20);
|
|
Application.Refresh ();
|
|
TestHelpers.AssertDriverContentsWithFrameAre (@"
|
|
At 15,0
|
|
|
|
|
|
│ ▲
|
|
│ ░
|
|
──┘ ░
|
|
░
|
|
░
|
|
┬
|
|
│
|
|
┴
|
|
▼
|
|
◄░░░░├─┤►
|
|
|
|
|
|
At 15,15", output);
|
|
|
|
TestHelpers.AssertDriverColorsAre (@"
|
|
00000000000000000000000
|
|
00000000000000000000000
|
|
00000000000000000000000
|
|
00022200000010000000000
|
|
00022200000010000000000
|
|
00022200000010000000000
|
|
00000000000010000000000
|
|
00000000000010000000000
|
|
00000000000010000000000
|
|
00000000000010000000000
|
|
00000000000010000000000
|
|
00000000000010000000000
|
|
00011111111110000000000
|
|
00000000000000000000000
|
|
00000000000000000000000
|
|
00000000000000000000000", attributes);
|
|
}
|
|
|
|
[Fact, AutoInitShutdown]
|
|
public void Remove_Added_View_Is_Allowed ()
|
|
{
|
|
var sv = new ScrollView () {
|
|
Width = 20,
|
|
Height = 20,
|
|
ContentSize = new Size (100, 100)
|
|
};
|
|
sv.Add (new View () { Width = Dim.Fill (), Height = Dim.Fill (50), Id = "View1" },
|
|
new View () { Y = 51, Width = Dim.Fill (), Height = Dim.Fill (), Id = "View2" });
|
|
|
|
Application.Top.Add (sv);
|
|
Application.Begin (Application.Top);
|
|
|
|
Assert.Equal (3, sv.Subviews.Count);
|
|
Assert.Equal (2, sv.Subviews [0].Subviews.Count);
|
|
|
|
sv.Remove (sv.Subviews [0].Subviews [1]);
|
|
Assert.Equal (3, sv.Subviews.Count);
|
|
Assert.Single (sv.Subviews [0].Subviews);
|
|
Assert.Equal ("View1", sv.Subviews [0].Subviews [0].Id);
|
|
}
|
|
}
|
|
}
|