mirror of
https://github.com/Ellpeck/MLEM.git
synced 2024-12-25 01:39:23 +01:00
* fixed newly introduced stack overflow when adding/removing from scrolling panel * added second part of issue as test * fixed TestIssue29Inconsistencies
This commit is contained in:
parent
b59fe6b817
commit
dbd52d5b9d
4 changed files with 144 additions and 22 deletions
|
@ -82,6 +82,9 @@ namespace MLEM.Ui.Elements {
|
|||
this.CanBeSelected = false;
|
||||
|
||||
if (scrollOverflow) {
|
||||
this.scrollBarMaxHistory = new float[3];
|
||||
this.ResetScrollBarMaxHistory();
|
||||
|
||||
this.ScrollBar = new ScrollBar(Anchor.TopRight, Vector2.Zero, 0, 0) {
|
||||
OnValueChanged = (element, value) => this.ScrollChildren(),
|
||||
CanAutoAnchorsAttach = false,
|
||||
|
@ -98,10 +101,6 @@ namespace MLEM.Ui.Elements {
|
|||
this.ScrollToElement(e);
|
||||
};
|
||||
this.AddChild(this.ScrollBar);
|
||||
|
||||
this.scrollBarMaxHistory = new float[3];
|
||||
for (var i = 0; i < this.scrollBarMaxHistory.Length; i++)
|
||||
this.scrollBarMaxHistory[i] = -1;
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -150,6 +149,8 @@ namespace MLEM.Ui.Elements {
|
|||
throw new NotSupportedException("A panel that scrolls overflow cannot have its scroll bar removed from its list of children");
|
||||
base.RemoveChild(element);
|
||||
|
||||
this.ResetScrollBarMaxHistory();
|
||||
|
||||
// when removing children, our scroll bar might have to be hidden
|
||||
// if we don't do this before adding children again, they might incorrectly assume that the scroll bar will still be visible and adjust their size accordingly
|
||||
this.childrenDirtyForScroll = true;
|
||||
|
@ -161,6 +162,8 @@ namespace MLEM.Ui.Elements {
|
|||
if (this.childrenDirtyForScroll && this.System != null)
|
||||
this.ScrollSetup();
|
||||
|
||||
this.ResetScrollBarMaxHistory();
|
||||
|
||||
return base.AddChild(element, index);
|
||||
}
|
||||
|
||||
|
@ -324,16 +327,16 @@ namespace MLEM.Ui.Elements {
|
|||
|
||||
// the max value of the scroll bar is the amount of non-scaled pixels taken up by overflowing components
|
||||
var scrollBarMax = Math.Max(0, (childrenHeight - this.ChildPaddedArea.Height) / this.Scale);
|
||||
// avoid an infinite show/hide oscillation that occurs while updating our area by simply using the maximum recent height in that case
|
||||
if (this.scrollBarMaxHistory[0].Equals(this.scrollBarMaxHistory[2], Element.Epsilon) && this.scrollBarMaxHistory[1].Equals(scrollBarMax, Element.Epsilon))
|
||||
scrollBarMax = Math.Max(scrollBarMax, this.scrollBarMaxHistory.Max());
|
||||
if (!this.ScrollBar.MaxValue.Equals(scrollBarMax, Element.Epsilon)) {
|
||||
// avoid a show/hide oscillation that occurs while updating our area with children that can lose height when the scroll bar is shown (like long paragraphs)
|
||||
if (!this.scrollBarMaxHistory[0].Equals(this.scrollBarMaxHistory[2], Element.Epsilon) || !this.scrollBarMaxHistory[1].Equals(scrollBarMax, Element.Epsilon)) {
|
||||
this.scrollBarMaxHistory[0] = this.scrollBarMaxHistory[1];
|
||||
this.scrollBarMaxHistory[1] = this.scrollBarMaxHistory[2];
|
||||
this.scrollBarMaxHistory[2] = scrollBarMax;
|
||||
this.scrollBarMaxHistory[0] = this.scrollBarMaxHistory[1];
|
||||
this.scrollBarMaxHistory[1] = this.scrollBarMaxHistory[2];
|
||||
this.scrollBarMaxHistory[2] = scrollBarMax;
|
||||
|
||||
this.ScrollBar.MaxValue = scrollBarMax;
|
||||
this.relevantChildrenDirty = true;
|
||||
}
|
||||
this.ScrollBar.MaxValue = scrollBarMax;
|
||||
this.relevantChildrenDirty = true;
|
||||
}
|
||||
|
||||
// update child padding based on whether the scroll bar is visible
|
||||
|
@ -415,5 +418,12 @@ namespace MLEM.Ui.Elements {
|
|||
this.relevantChildrenDirty = true;
|
||||
}
|
||||
|
||||
private void ResetScrollBarMaxHistory() {
|
||||
if (this.scrollOverflow) {
|
||||
for (var i = 0; i < this.scrollBarMaxHistory.Length; i++)
|
||||
this.scrollBarMaxHistory[i] = -1;
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
|
|
@ -70,7 +70,7 @@ public class GameImpl : MlemGame {
|
|||
//var font = new GenericBitmapFont(LoadContent<BitmapFont>("Fonts/Regular"));
|
||||
var font = new GenericStashFont(system.GetFont(32));
|
||||
var spriteFont = new GenericSpriteFont(MlemGame.LoadContent<SpriteFont>("Fonts/TestFont"));
|
||||
this.UiSystem.Style = new UntexturedStyle(this.SpriteBatch) {
|
||||
/*this.UiSystem.Style = new UntexturedStyle(this.SpriteBatch) {
|
||||
Font = font,
|
||||
TextScale = 0.5F,
|
||||
PanelTexture = new NinePatch(new TextureRegion(tex, 0, 8, 24, 24), 8),
|
||||
|
@ -78,7 +78,7 @@ public class GameImpl : MlemGame {
|
|||
};
|
||||
this.UiSystem.AutoScaleReferenceSize = new Point(1280, 720);
|
||||
this.UiSystem.AutoScaleWithScreen = true;
|
||||
this.UiSystem.GlobalScale = 5;
|
||||
this.UiSystem.GlobalScale = 5;*/
|
||||
|
||||
/*this.OnDraw += (g, time) => {
|
||||
const string strg = "This is a test string\nto test things\n\nMany things are being tested, like the ability\nfor this font to agree\n\nwith newlines";
|
||||
|
@ -398,7 +398,7 @@ public class GameImpl : MlemGame {
|
|||
Console.WriteLine("Buttons: " + string.Join(", ", GenericInput.AllButtons));
|
||||
Console.WriteLine("Inputs: " + string.Join(", ", GenericInput.AllInputs));*/
|
||||
|
||||
var hsv = new Panel(Anchor.Center, new Vector2(100), true);
|
||||
/*var hsv = new Panel(Anchor.Center, new Vector2(100), true);
|
||||
var color = Color.Pink.ToHsv();
|
||||
hsv.AddChild(new Paragraph(Anchor.AutoLeft, 1, "H"));
|
||||
hsv.AddChild(new Slider(Anchor.AutoLeft, new Vector2(1, 10), 5, 1) {
|
||||
|
@ -418,9 +418,27 @@ public class GameImpl : MlemGame {
|
|||
hsv.AddChild(new Group(Anchor.AutoLeft, new Vector2(1, 40), false) {
|
||||
OnDrawn = (e, _, batch, _, _) => batch.Draw(batch.GetBlankTexture(), e.DisplayArea, ColorHelper.FromHsv(color))
|
||||
});
|
||||
this.UiSystem.Add("HSV", hsv);
|
||||
this.UiSystem.Add("HSV", hsv);*/
|
||||
|
||||
var group = new SquishingGroup(Anchor.TopLeft, Vector2.One);
|
||||
var root = this.UiSystem.Add("UI", group);
|
||||
|
||||
var centerGroup = new ScissorGroup(Anchor.TopCenter, Vector2.One);
|
||||
var centerPanel = new Panel(Anchor.TopRight, Vector2.One);
|
||||
centerPanel.DrawColor = Color.Red;
|
||||
centerPanel.Padding = new MLEM.Maths.Padding(5);
|
||||
centerGroup.AddChild(centerPanel);
|
||||
group.AddChild(centerGroup);
|
||||
|
||||
this.listView = new Panel(Anchor.TopLeft, new Vector2(1, 1), false, true);
|
||||
group.AddChild(this.listView);
|
||||
|
||||
var bottomPane = new Panel(Anchor.BottomCenter, new Vector2(1, 500));
|
||||
group.AddChild(bottomPane);
|
||||
}
|
||||
|
||||
private Panel listView;
|
||||
|
||||
protected override void DoUpdate(GameTime gameTime) {
|
||||
base.DoUpdate(gameTime);
|
||||
if (this.InputHandler.IsPressed(Keys.F11))
|
||||
|
@ -431,6 +449,13 @@ public class GameImpl : MlemGame {
|
|||
this.camera.Zoom(0.1F * Math.Sign(delta), this.InputHandler.ViewportMousePosition.ToVector2());
|
||||
}
|
||||
|
||||
if (this.InputHandler.TryConsumePressed(Keys.Space)) {
|
||||
var c = new Panel(Anchor.AutoLeft, new Vector2(1, 50), false);
|
||||
c.DrawColor = Color.Green;
|
||||
c.Padding = new MLEM.Maths.Padding(5);
|
||||
this.listView.AddChild(c);
|
||||
}
|
||||
|
||||
/*if (Input.InputsDown.Length > 0)
|
||||
Console.WriteLine("Down: " + string.Join(", ", Input.InputsDown));*/
|
||||
/*if (MlemGame.Input.InputsPressed.Length > 0)
|
||||
|
|
|
@ -1,4 +1,7 @@
|
|||
using Microsoft.Xna.Framework;
|
||||
using System;
|
||||
using System.Diagnostics;
|
||||
using System.Runtime.CompilerServices;
|
||||
using Microsoft.Xna.Framework;
|
||||
using Microsoft.Xna.Framework.Graphics;
|
||||
using MLEM.Data.Content;
|
||||
using MLEM.Font;
|
||||
|
@ -24,7 +27,6 @@ public class TestGame : MlemGame {
|
|||
|
||||
// make sure that the viewport is always the same size, since RunOneFrame doesn't ensure window size is correct
|
||||
this.UiSystem.Viewport = new Rectangle(0, 0, 1280, 720);
|
||||
|
||||
// we use precompiled fonts and kni uses a different asset compilation system, so we just have both stored
|
||||
this.UiSystem.Style.Font = new GenericSpriteFont(MlemGame.LoadContent<SpriteFont>(
|
||||
#if KNI
|
||||
|
@ -33,6 +35,8 @@ public class TestGame : MlemGame {
|
|||
"TestFont"
|
||||
#endif
|
||||
));
|
||||
// make sure we catch a potential ui stack overflow as part of the tests by ensuring a sufficient execution stack
|
||||
this.UiSystem.OnElementAreaUpdated += _ => RuntimeHelpers.EnsureSufficientExecutionStack();
|
||||
}
|
||||
|
||||
public static TestGame Create() {
|
||||
|
|
|
@ -1,6 +1,7 @@
|
|||
using System;
|
||||
using System.Diagnostics;
|
||||
using System.Linq;
|
||||
using System.Runtime.CompilerServices;
|
||||
using Microsoft.Xna.Framework;
|
||||
using MLEM.Maths;
|
||||
using MLEM.Ui;
|
||||
|
@ -147,10 +148,9 @@ public class UiTests : GameTestFixture {
|
|||
}
|
||||
}
|
||||
|
||||
// Stack overflow related to panel scrolling and scrollbar auto-hiding
|
||||
[Test]
|
||||
public void TestIssue27([Values(5, 50, 15)] int numChildren) {
|
||||
// Stack overflow related to panel scrolling and scrollbar auto-hiding
|
||||
|
||||
var group = new SquishingGroup(Anchor.TopLeft, Vector2.One);
|
||||
|
||||
var centerGroup = new ScissorGroup(Anchor.TopCenter, Vector2.One);
|
||||
|
@ -172,7 +172,86 @@ public class UiTests : GameTestFixture {
|
|||
var bottomPane = new Panel(Anchor.BottomCenter, new Vector2(1, 500));
|
||||
group.AddChild(bottomPane);
|
||||
|
||||
this.AddAndUpdate(group, out _, out _);
|
||||
Assert.DoesNotThrow(() => this.AddAndUpdate(group, out _, out _));
|
||||
}
|
||||
|
||||
// Removing and re-adding to a scrolling panel causes a stack overflow
|
||||
[Test]
|
||||
public void TestIssue29StackOverflow([Values(5, 50, 15)] int numChildren) {
|
||||
var group = new SquishingGroup(Anchor.TopLeft, Vector2.One);
|
||||
|
||||
var centerGroup = new ScissorGroup(Anchor.TopCenter, Vector2.One);
|
||||
var centerPanel = new Panel(Anchor.TopRight, Vector2.One);
|
||||
centerPanel.DrawColor = Color.Red;
|
||||
centerPanel.Padding = new MLEM.Maths.Padding(5);
|
||||
centerGroup.AddChild(centerPanel);
|
||||
group.AddChild(centerGroup);
|
||||
|
||||
var leftColumn = new SquishingGroup(Anchor.TopLeft, new Vector2(500, 1));
|
||||
group.AddChild(leftColumn);
|
||||
var namePanel = new Panel(Anchor.TopLeft, new Vector2(1, 50), true);
|
||||
var test = new Panel(Anchor.TopCenter, new Vector2(1, 30));
|
||||
test.DrawColor = Color.Red;
|
||||
namePanel.AddChild(test);
|
||||
var listView = new Panel(Anchor.TopLeft, new Vector2(1, 1), false, true);
|
||||
leftColumn.AddChild(listView);
|
||||
leftColumn.AddChild(namePanel);
|
||||
|
||||
var bottomPane = new Panel(Anchor.BottomCenter, new Vector2(1, 500));
|
||||
group.AddChild(bottomPane);
|
||||
|
||||
Repopulate();
|
||||
Assert.DoesNotThrow(() => this.AddAndUpdate(group, out _, out _));
|
||||
Repopulate();
|
||||
Assert.DoesNotThrow(() => UiTests.ForceUpdate(group, out _));
|
||||
|
||||
void Repopulate() {
|
||||
listView.RemoveChildren();
|
||||
for (var i = 0; i < numChildren; i++) {
|
||||
var c = new Panel(Anchor.AutoLeft, new Vector2(1, 30));
|
||||
c.DrawColor = Color.Green;
|
||||
c.Padding = new MLEM.Maths.Padding(5);
|
||||
listView.AddChild(c);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Adding children causes the scroll bar to disappear when it shouldn't
|
||||
[Test]
|
||||
public void TestIssue29Inconsistencies() {
|
||||
var group = new SquishingGroup(Anchor.TopLeft, Vector2.One);
|
||||
|
||||
var centerGroup = new ScissorGroup(Anchor.TopCenter, Vector2.One);
|
||||
var centerPanel = new Panel(Anchor.TopRight, Vector2.One);
|
||||
centerPanel.DrawColor = Color.Red;
|
||||
centerPanel.Padding = new MLEM.Maths.Padding(5);
|
||||
centerGroup.AddChild(centerPanel);
|
||||
group.AddChild(centerGroup);
|
||||
|
||||
var listView = new Panel(Anchor.TopLeft, new Vector2(1, 1), false, true);
|
||||
group.AddChild(listView);
|
||||
|
||||
var bottomPane = new Panel(Anchor.BottomCenter, new Vector2(1, 500));
|
||||
group.AddChild(bottomPane);
|
||||
|
||||
Assert.DoesNotThrow(() => this.AddAndUpdate(group, out _, out _));
|
||||
|
||||
var appeared = false;
|
||||
for (var i = 0; i < 100; i++) {
|
||||
var c = new Panel(Anchor.AutoLeft, new Vector2(1, 50));
|
||||
c.DrawColor = Color.Green;
|
||||
c.Padding = new MLEM.Maths.Padding(5);
|
||||
listView.AddChild(c);
|
||||
Console.WriteLine($"Adding child, up to {i}");
|
||||
|
||||
Assert.DoesNotThrow(() => UiTests.ForceUpdate(group, out _));
|
||||
if (appeared) {
|
||||
Assert.False(listView.ScrollBar.IsHidden, $"Fail bar was hidden after {i} children");
|
||||
} else if (!listView.ScrollBar.IsHidden) {
|
||||
appeared = true;
|
||||
}
|
||||
}
|
||||
Assert.True(appeared, "Scroll bar never appeared");
|
||||
}
|
||||
|
||||
private void AddAndUpdate(Element element, out TimeSpan addTime, out TimeSpan updateTime) {
|
||||
|
@ -185,7 +264,11 @@ public class UiTests : GameTestFixture {
|
|||
stopwatch.Stop();
|
||||
addTime = stopwatch.Elapsed;
|
||||
|
||||
stopwatch.Restart();
|
||||
UiTests.ForceUpdate(element, out updateTime);
|
||||
}
|
||||
|
||||
private static void ForceUpdate(Element element, out TimeSpan updateTime) {
|
||||
var stopwatch = Stopwatch.StartNew();
|
||||
element.ForceUpdateArea();
|
||||
stopwatch.Stop();
|
||||
updateTime = stopwatch.Elapsed;
|
||||
|
|
Loading…
Reference in a new issue