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made padding a lot more versatile in mlem.ui

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This commit is contained in:
Ellpeck 2019-12-14 14:00:12 +01:00
parent b8e73717f4
commit dbe7980add
9 changed files with 103 additions and 32 deletions
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3
MLEM.Extended/Extensions/TextureExtensions.cs
View file

@ -1,3 +1,4 @@
using MLEM.Extensions;
using MLEM.Textures;
using MonoGame.Extended.TextureAtlases;
@ -5,7 +6,7 @@ namespace MLEM.Extended.Extensions {
public static class TextureExtensions {
public static NinePatchRegion2D ToExtended(this NinePatch patch) {
return new NinePatchRegion2D(patch.Region.ToExtended(), patch.PaddingLeft, patch.PaddingTop, patch.PaddingRight, patch.PaddingBottom);
return new NinePatchRegion2D(patch.Region.ToExtended(), patch.Padding.Left.Floor(), patch.Padding.Top.Floor(), patch.Padding.Right.Floor(), patch.Padding.Bottom.Floor());
}
public static TextureRegion2D ToExtended(this TextureRegion region) {

16
MLEM.Ui/Elements/Element.cs
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@ -25,9 +25,8 @@ namespace MLEM.Ui.Elements {
private Anchor anchor;
private Vector2 size;
private Vector2 offset;
public Vector2 Padding;
public Vector2 ScaledPadding => this.Padding * this.Scale;
private Vector2 childPadding;
public Padding Padding;
public Padding ScaledPadding => this.Padding * this.Scale;
public Anchor Anchor {
get => this.anchor;
set {
@ -56,8 +55,9 @@ namespace MLEM.Ui.Elements {
this.SetAreaDirty();
}
}
public Vector2 ScaledOffset => (this.offset * this.Scale);
public Vector2 ChildPadding {
public Vector2 ScaledOffset => this.offset * this.Scale;
private Padding childPadding;
public Padding ChildPadding {
get => this.childPadding;
set {
if (this.childPadding == value)
@ -67,7 +67,7 @@ namespace MLEM.Ui.Elements {
}
}
public RectangleF ChildPaddedArea => this.UnscrolledArea.Shrink(this.ScaledChildPadding);
public Vector2 ScaledChildPadding => this.childPadding * this.Scale;
public Padding ScaledChildPadding => this.childPadding * this.Scale;
public DrawCallback OnDrawn;
public TimeCallback OnUpdated;
@ -319,7 +319,7 @@ namespace MLEM.Ui.Elements {
if (this.SetHeightBasedOnChildren) {
var lowest = this.GetLowestChild(e => !e.IsHidden);
if (lowest != null) {
var newHeight = (lowest.UnscrolledArea.Bottom - pos.Y + this.ScaledChildPadding.Y) / this.Scale;
var newHeight = (lowest.UnscrolledArea.Bottom - pos.Y + this.ScaledChildPadding.Bottom) / this.Scale;
if ((int) newHeight != (int) this.size.Y) {
this.size.Y = newHeight;
this.ForceUpdateArea();
@ -328,7 +328,7 @@ namespace MLEM.Ui.Elements {
} else if (this.SetWidthBasedOnChildren) {
var rightmost = this.GetRightmostChild(e => !e.IsHidden);
if (rightmost != null) {
var newWidth = (rightmost.UnscrolledArea.Right - pos.X + this.ScaledChildPadding.X) / this.Scale;
var newWidth = (rightmost.UnscrolledArea.Right - pos.X + this.ScaledChildPadding.Right) / this.Scale;
if ((int) newWidth != (int) this.size.X) {
this.size.X = newWidth;
this.ForceUpdateArea();

9
MLEM.Ui/Elements/Panel.cs
View file

@ -32,13 +32,13 @@ namespace MLEM.Ui.Elements {
StepPerScroll = 10,
OnValueChanged = (element, value) => this.ScrollChildren(),
CanAutoAnchorsAttach = false,
AutoHideWhenEmpty = true
AutoHideWhenEmpty = true,
IsHidden = true
};
this.AddChild(this.ScrollBar);
// modify the padding so that the scroll bar isn't over top of something else
this.ScrollBar.PositionOffset -= new Vector2(scrollSize.X + 1, 0);
this.ChildPadding += new Vector2(scrollSize.X, 0);
this.ScrollBar.OnAutoHide += e => this.ChildPadding += new Padding(0, scrollSize.X, 0, 0) * (e.IsHidden ? -1 : 1);
// handle automatic element selection, the scroller needs to scroll to the right location
this.OnSelectedElementChanged += (element, otherElement) => {
@ -48,6 +48,7 @@ namespace MLEM.Ui.Elements {
return;
this.ScrollBar.CurrentValue = (otherElement.Area.Bottom - this.Children[1].Area.Top - this.Area.Height / 2) / this.Scale;
};
this.AddChild(this.ScrollBar);
}
}
@ -76,7 +77,7 @@ namespace MLEM.Ui.Elements {
var lowestChild = this.GetLowestChild(e => !e.IsHidden);
// the max value of the scrollbar is the amount of non-scaled pixels taken up by overflowing components
var childrenHeight = lowestChild.Area.Bottom - firstChild.Area.Top;
this.ScrollBar.MaxValue = (childrenHeight - this.Area.Height) / this.Scale + this.ChildPadding.Y * 2;
this.ScrollBar.MaxValue = (childrenHeight - this.Area.Height) / this.Scale + this.ChildPadding.Height;
// update the render target
var targetArea = (Rectangle) this.GetRenderTargetArea();

4
MLEM.Ui/Elements/Paragraph.cs
View file

@ -60,11 +60,11 @@ namespace MLEM.Ui.Elements {
var size = base.CalcActualSize(parentArea);
var sc = this.TextScale * this.Scale;
this.splitText = this.RegularFont.Value.SplitString(this.text.RemoveFormatting(), size.X - this.ScaledPadding.X * 2, sc);
this.splitText = this.RegularFont.Value.SplitString(this.text.RemoveFormatting(), size.X - this.ScaledPadding.Width, sc);
this.codeLocations = this.text.GetFormattingCodes();
var textDims = this.RegularFont.Value.MeasureString(this.splitText) * sc;
return new Vector2(this.AutoAdjustWidth ? textDims.X + this.ScaledPadding.X * 2 : size.X, textDims.Y + this.ScaledPadding.Y * 2);
return new Vector2(this.AutoAdjustWidth ? textDims.X + this.ScaledPadding.Width : size.X, textDims.Y + this.ScaledPadding.Height);
}
public override void Update(GameTime time) {

4
MLEM.Ui/Elements/ProgressBar.cs
View file

@ -37,8 +37,8 @@ namespace MLEM.Ui.Elements {
var percentage = this.CurrentValue / this.MaxValue;
var tex = this.ProgressTexture.Value;
var padHor = tex != null ? (tex.PaddingLeft + tex.PaddingRight) * this.Scale : 0;
var padVer = tex != null ? (tex.PaddingTop + tex.PaddingBottom) * this.Scale : 0;
var padHor = tex != null ? tex.Padding.Width * this.Scale : 0;
var padVer = tex != null ? tex.Padding.Height * this.Scale : 0;
var width = percentage * (this.DisplayArea.Width - padHor) + padHor;
var height = percentage * (this.DisplayArea.Height - padVer) + padVer;
RectangleF progressArea;

5
MLEM.Ui/Elements/ScrollBar.cs
View file

@ -23,8 +23,10 @@ namespace MLEM.Ui.Elements {
this.maxValue = Math.Max(0, value);
// force current value to be clamped
this.CurrentValue = this.currValue;
if (this.AutoHideWhenEmpty)
if (this.AutoHideWhenEmpty && this.IsHidden != this.maxValue <= 0) {
this.IsHidden = this.maxValue <= 0;
this.OnAutoHide?.Invoke(this);
}
}
}
private float currValue;
@ -41,6 +43,7 @@ namespace MLEM.Ui.Elements {
public readonly bool Horizontal;
public float StepPerScroll = 1;
public ValueChanged OnValueChanged;
public GenericCallback OnAutoHide;
private bool isMouseHeld;
private bool isDragging;
private bool isTouchHeld;

8
MLEM/Extensions/NumberExtensions.cs
View file

@ -67,5 +67,13 @@ namespace MLEM.Extensions {
return rect;
}
public static RectangleF Shrink(this RectangleF rect, Padding padding) {
rect.X += padding.Left;
rect.Y += padding.Left;
rect.Width -= padding.Width;
rect.Height -= padding.Height;
return rect;
}
}
}

61
MLEM/Misc/Padding.cs Normal file
View file

@ -0,0 +1,61 @@
using Microsoft.Xna.Framework;
namespace MLEM.Misc {
public struct Padding {
public float Left;
public float Right;
public float Top;
public float Bottom;
public float Width => this.Left + this.Right;
public float Height => this.Top + this.Bottom;
public Padding(float left, float right, float top, float bottom) {
this.Left = left;
this.Right = right;
this.Top = top;
this.Bottom = bottom;
}
public static implicit operator Padding(Vector2 vec) {
return new Padding(vec.X, vec.X, vec.Y, vec.Y);
}
public static Padding operator *(Padding p, float scale) {
return new Padding(p.Left * scale, p.Right * scale, p.Top * scale, p.Bottom * scale);
}
public static Padding operator +(Padding left, Padding right) {
return new Padding(left.Left + right.Left, left.Right + right.Right, left.Top + right.Top, left.Bottom + right.Bottom);
}
public static Padding operator -(Padding left, Padding right) {
return new Padding(left.Left - right.Left, left.Right - right.Right, left.Top - right.Top, left.Bottom - right.Bottom);
}
public static bool operator ==(Padding left, Padding right) {
return left.Equals(right);
}
public static bool operator !=(Padding left, Padding right) {
return !(left == right);
}
public bool Equals(Padding other) {
return this.Left.Equals(other.Left) && this.Right.Equals(other.Right) && this.Top.Equals(other.Top) && this.Bottom.Equals(other.Bottom);
}
public override bool Equals(object obj) {
return obj is Padding other && this.Equals(other);
}
public override int GetHashCode() {
var hashCode = this.Left.GetHashCode();
hashCode = (hashCode * 397) ^ this.Right.GetHashCode();
hashCode = (hashCode * 397) ^ this.Top.GetHashCode();
hashCode = (hashCode * 397) ^ this.Bottom.GetHashCode();
return hashCode;
}
}
}

25
MLEM/Textures/NinePatch.cs
View file

@ -9,22 +9,19 @@ namespace MLEM.Textures {
public class NinePatch {
public readonly TextureRegion Region;
public readonly int PaddingLeft;
public readonly int PaddingRight;
public readonly int PaddingTop;
public readonly int PaddingBottom;
public readonly Padding Padding;
public readonly Rectangle[] SourceRectangles;
public NinePatch(TextureRegion texture, int paddingLeft, int paddingRight, int paddingTop, int paddingBottom) {
public NinePatch(TextureRegion texture, Padding padding) {
this.Region = texture;
this.PaddingLeft = paddingLeft;
this.PaddingRight = paddingRight;
this.PaddingTop = paddingTop;
this.PaddingBottom = paddingBottom;
this.Padding = padding;
this.SourceRectangles = this.CreateRectangles(this.Region.Area).ToArray();
}
public NinePatch(TextureRegion texture, int paddingLeft, int paddingRight, int paddingTop, int paddingBottom) :
this(texture, new Padding(paddingLeft, paddingRight, paddingTop, paddingBottom)) {
}
public NinePatch(Texture2D texture, int paddingLeft, int paddingRight, int paddingTop, int paddingBottom) :
this(new TextureRegion(texture), paddingLeft, paddingRight, paddingTop, paddingBottom) {
}
@ -40,10 +37,10 @@ namespace MLEM.Textures {
}
public IEnumerable<RectangleF> CreateRectangles(RectangleF area, float patchScale = 1) {
var pl = (int) (this.PaddingLeft * patchScale);
var pr = (int) (this.PaddingRight * patchScale);
var pt = (int) (this.PaddingTop * patchScale);
var pb = (int) (this.PaddingBottom * patchScale);
var pl = (int) (this.Padding.Left * patchScale);
var pr = (int) (this.Padding.Right * patchScale);
var pt = (int) (this.Padding.Top * patchScale);
var pb = (int) (this.Padding.Bottom * patchScale);
var centerW = area.Width - pl - pr;
var centerH = area.Height - pt - pb;