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Fix negative bounds on draw text and thus fixes scrolling.

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This commit is contained in:
BDisp
2023-03-05 18:34:58 +00:00
parent f1e4e21456
commit 2eb05113af
4 changed files with 228 additions and 26 deletions
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17
UnitTests/Core/LayoutTests.cs
View File

@@ -328,14 +328,17 @@ namespace Terminal.Gui.CoreTests {
Application.Begin (Application.Top);
Assert.True (label.AutoSize);
// Here the AutoSize ensuring the right size with width 28 (Dim.Fill)
// and height 0 because wasn't set and the text is empty
Assert.Equal ("{X=0,Y=0,Width=28,Height=0}", label.Bounds.ToString ());
label.Text = "First line\nSecond line";
Application.Refresh ();
// Here the AutoSize ensuring the right size
// Here the AutoSize ensuring the right size with width 28 (Dim.Fill)
// and height 2 because wasn't set and the text has 2 lines
Assert.True (label.AutoSize);
Assert.Equal ("{X=0,Y=0,Width=11,Height=2}", label.Bounds.ToString ());
Assert.Equal ("{X=0,Y=0,Width=28,Height=2}", label.Bounds.ToString ());
label.AutoSize = false;
Application.Refresh ();
@@ -347,12 +350,16 @@ namespace Terminal.Gui.CoreTests {
label.Text = "First changed line\nSecond changed line\nNew line";
Application.Refresh ();
// Here the AutoSize is false and the width 28 (Dim.Fill) and
// height 1 because wasn't set and SetMinWidthHeight ensuring the minimum height
Assert.False (label.AutoSize);
Assert.Equal ("{X=0,Y=0,Width=28,Height=1}", label.Bounds.ToString ());
label.AutoSize = true;
Application.Refresh ();
// Here the AutoSize ensuring the right size with width 28 (Dim.Fill)
// and height 3 because wasn't set and the text has 3 lines
Assert.True (label.AutoSize);
Assert.Equal ("{X=0,Y=0,Width=28,Height=3}", label.Bounds.ToString ());
}
@@ -461,9 +468,13 @@ Y
Assert.Equal ("123 ", GetContents ());
lbl.Text = "12";
// Here the AutoSize ensuring the right size with width 3 (Dim.Absolute)
// that was set on the OnAdded method with the text length of 3
// and height 1 because wasn't set and the text has 1 line
Assert.Equal (new Rect (0, 0, 3, 1), lbl.Frame);
Assert.Equal (new Rect (0, 0, 3, 1), lbl.NeedDisplay);
Assert.Equal (new Rect (0, 0, 80, 25), lbl.SuperView.NeedDisplay);
Assert.Equal (new Rect (0, 0, 0, 0), lbl.SuperView.NeedDisplay);
Assert.True (lbl.SuperView.LayoutNeeded);
lbl.SuperView.Redraw (lbl.SuperView.Bounds);
Assert.Equal ("12 ", GetContents ());

190
UnitTests/Text/TextFormatterTests.cs
View File

@@ -2162,7 +2162,7 @@ namespace Terminal.Gui.TextTests {
var height = 8;
var wrappedLines = TextFormatter.WordWrap (text, width, true);
var breakLines = "";
foreach (var line in wrappedLines) breakLines += $"{line}{Environment.NewLine}";
foreach (var line in wrappedLines) breakLines += $"{line}{Environment.NewLine}";
var label = new Label (breakLines) { Width = Dim.Fill (), Height = Dim.Fill () };
var frame = new FrameView () { Width = Dim.Fill (), Height = Dim.Fill () };
@@ -2200,7 +2200,7 @@ namespace Terminal.Gui.TextTests {
var height = 3;
var wrappedLines = TextFormatter.WordWrap (text, height, true);
var breakLines = "";
for (int i = 0; i < wrappedLines.Count; i++) breakLines += $"{wrappedLines [i]}{(i < wrappedLines.Count - 1 ? Environment.NewLine : string.Empty)}";
for (int i = 0; i < wrappedLines.Count; i++) breakLines += $"{wrappedLines [i]}{(i < wrappedLines.Count - 1 ? Environment.NewLine : string.Empty)}";
var label = new Label (breakLines) {
TextDirection = TextDirection.TopBottom_LeftRight,
Width = Dim.Fill (),
@@ -2237,7 +2237,7 @@ namespace Terminal.Gui.TextTests {
var height = 8;
var wrappedLines = TextFormatter.WordWrap (text, width, true);
var breakLines = "";
foreach (var line in wrappedLines) breakLines += $"{line}{Environment.NewLine}";
foreach (var line in wrappedLines) breakLines += $"{line}{Environment.NewLine}";
var label = new Label (breakLines) { Width = Dim.Fill (), Height = Dim.Fill () };
var frame = new FrameView () { Width = Dim.Fill (), Height = Dim.Fill () };
@@ -2276,7 +2276,7 @@ namespace Terminal.Gui.TextTests {
var height = 4;
var wrappedLines = TextFormatter.WordWrap (text, width, true);
var breakLines = "";
for (int i = 0; i < wrappedLines.Count; i++) breakLines += $"{wrappedLines [i]}{(i < wrappedLines.Count - 1 ? Environment.NewLine : string.Empty)}";
for (int i = 0; i < wrappedLines.Count; i++) breakLines += $"{wrappedLines [i]}{(i < wrappedLines.Count - 1 ? Environment.NewLine : string.Empty)}";
var label = new Label (breakLines) {
TextDirection = TextDirection.TopBottom_LeftRight,
Width = Dim.Fill (),
@@ -2888,7 +2888,7 @@ namespace Terminal.Gui.TextTests {
Assert.Equal ("nd", list1 [10].ToString ());
Assert.Equal ("Line", list1 [11].ToString ());
Assert.Equal ("- 2.", list1 [^1].ToString ());
foreach (var txt in list1) wrappedText1 += txt;
foreach (var txt in list1) wrappedText1 += txt;
Assert.Equal (" Asentencehaswords. This isthesecondLine- 2.", wrappedText1);
// With preserveTrailingSpaces = true.
@@ -2910,7 +2910,7 @@ namespace Terminal.Gui.TextTests {
Assert.Equal ("Line", list2 [13].ToString ());
Assert.Equal (" - ", list2 [14].ToString ());
Assert.Equal ("2. ", list2 [^1].ToString ());
foreach (var txt in list2) wrappedText2 += txt;
foreach (var txt in list2) wrappedText2 += txt;
Assert.Equal (" A sentence has words. This is the second Line - 2. ", wrappedText2);
}
@@ -4288,5 +4288,183 @@ t ", output);
0
0", new Attribute [] { Colors.Base.Normal });
}
[Fact, AutoInitShutdown]
public void Draw_Negative_Bounds_Horizontal_Without_New_Lines ()
{
var subView = new View () { Id = "subView", Y = 1, Width = 7, Text = "subView" };
var view = new View () { Id = "view", Width = 20, Height = 2, Text = "01234567890123456789" };
view.Add (subView);
var content = new View () { Id = "content", Width = 20, Height = 20 };
content.Add (view);
var container = new View () { Id = "container", X = 1, Y = 1, Width = 5, Height = 5 };
container.Add (content);
var top = Application.Top;
top.Add (container);
Application.Driver.Clip = container.Frame;
Application.Begin (top);
TestHelpers.AssertDriverContentsWithFrameAre (@"
01234
subVi", output);
content.X = -1;
Application.Refresh ();
TestHelpers.AssertDriverContentsWithFrameAre (@"
12345
ubVie", output);
content.Y = -1;
Application.Refresh ();
TestHelpers.AssertDriverContentsWithFrameAre (@"
ubVie", output);
content.Y = -2;
Application.Refresh ();
TestHelpers.AssertDriverContentsWithFrameAre ("", output);
content.X = -20;
content.Y = 0;
Application.Refresh ();
TestHelpers.AssertDriverContentsWithFrameAre ("", output);
}
[Fact, AutoInitShutdown]
public void Draw_Negative_Bounds_Horizontal_With_New_Lines ()
{
var subView = new View () { Id = "subView", X = 1, Width = 1, Height = 7, Text = "s\nu\nb\nV\ni\ne\nw" };
var view = new View () { Id = "view", Width = 2, Height = 20, Text = "0\n1\n2\n3\n4\n5\n6\n7\n8\n9\n0\n1\n2\n3\n4\n5\n6\n7\n8\n9" };
view.Add (subView);
var content = new View () { Id = "content", Width = 20, Height = 20 };
content.Add (view);
var container = new View () { Id = "container", X = 1, Y = 1, Width = 5, Height = 5 };
container.Add (content);
var top = Application.Top;
top.Add (container);
Application.Driver.Clip = container.Frame;
Application.Begin (top);
TestHelpers.AssertDriverContentsWithFrameAre (@"
0s
1u
2b
3V
4i", output);
content.X = -1;
Application.Refresh ();
TestHelpers.AssertDriverContentsWithFrameAre (@"
s
u
b
V
i", output);
content.X = -2;
Application.Refresh ();
TestHelpers.AssertDriverContentsWithFrameAre (@"", output);
content.X = 0;
content.Y = -1;
Application.Refresh ();
TestHelpers.AssertDriverContentsWithFrameAre (@"
1u
2b
3V
4i
5e", output);
content.Y = -6;
Application.Refresh ();
TestHelpers.AssertDriverContentsWithFrameAre (@"
6w
7
8
9
0 ", output);
content.Y = -19;
Application.Refresh ();
TestHelpers.AssertDriverContentsWithFrameAre (@"
9", output);
content.Y = -20;
Application.Refresh ();
TestHelpers.AssertDriverContentsWithFrameAre ("", output);
content.X = -2;
content.Y = 0;
Application.Refresh ();
TestHelpers.AssertDriverContentsWithFrameAre ("", output);
}
[Fact, AutoInitShutdown]
public void Draw_Negative_Bounds_Vertical ()
{
var subView = new View () { Id = "subView", X = 1, Width = 1, Height = 7, Text = "subView", TextDirection = TextDirection.TopBottom_LeftRight };
var view = new View () { Id = "view", Width = 2, Height = 20, Text = "01234567890123456789", TextDirection = TextDirection.TopBottom_LeftRight };
view.Add (subView);
var content = new View () { Id = "content", Width = 20, Height = 20 };
content.Add (view);
var container = new View () { Id = "container", X = 1, Y = 1, Width = 5, Height = 5 };
container.Add (content);
var top = Application.Top;
top.Add (container);
Application.Driver.Clip = container.Frame;
Application.Begin (top);
TestHelpers.AssertDriverContentsWithFrameAre (@"
0s
1u
2b
3V
4i", output);
content.X = -1;
Application.Refresh ();
TestHelpers.AssertDriverContentsWithFrameAre (@"
s
u
b
V
i", output);
content.X = -2;
Application.Refresh ();
TestHelpers.AssertDriverContentsWithFrameAre (@"", output);
content.X = 0;
content.Y = -1;
Application.Refresh ();
TestHelpers.AssertDriverContentsWithFrameAre (@"
1u
2b
3V
4i
5e", output);
content.Y = -6;
Application.Refresh ();
TestHelpers.AssertDriverContentsWithFrameAre (@"
6w
7
8
9
0 ", output);
content.Y = -19;
Application.Refresh ();
TestHelpers.AssertDriverContentsWithFrameAre (@"
9", output);
content.Y = -20;
Application.Refresh ();
TestHelpers.AssertDriverContentsWithFrameAre ("", output);
content.X = -2;
content.Y = 0;
Application.Refresh ();
TestHelpers.AssertDriverContentsWithFrameAre ("", output);
}
}
}