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added image component

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This commit is contained in:
Ellpeck 2019-08-09 22:23:16 +02:00
parent ef3726b077
commit 18e634cad8
4 changed files with 68 additions and 10 deletions
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4
MLEM.Ui/Elements/Button.cs
View file

@ -11,10 +11,10 @@ namespace MLEM.Ui.Elements {
public Color HoveredColor;
public AutoScaledText Text;
public Button(Anchor anchor, Vector2 size, NinePatch texture, string text = null, NinePatch hoveredTexture = null, Color? hoveredColor = null) : base(anchor, size) {
public Button(Anchor anchor, Vector2 size, NinePatch texture, string text = null, Color? hoveredColor = null, NinePatch hoveredTexture = null) : base(anchor, size) {
this.Texture = texture;
this.HoveredTexture = hoveredTexture;
this.HoveredColor = hoveredColor ?? Color.White;
this.HoveredColor = hoveredColor ?? Color.LightGray;
if (text != null) {
this.Text = new AutoScaledText(Anchor.Center, Vector2.One, text, true) {

42
MLEM.Ui/Elements/Element.cs
View file

@ -58,7 +58,14 @@ namespace MLEM.Ui.Elements {
public UiSystem System { get; private set; }
public Element Parent { get; private set; }
public bool IsMouseOver { get; private set; }
public bool IsHidden;
private bool isHidden;
public bool IsHidden {
get => this.isHidden;
set {
this.isHidden = value;
this.SetDirty();
}
}
public bool IgnoresMouse;
private Rectangle area;
@ -90,11 +97,14 @@ namespace MLEM.Ui.Elements {
this.SetDirty();
}
public void AddChild(Element element) {
this.children.Add(element);
public Element AddChild(Element element, int index = -1) {
if (index < 0 || index > this.children.Count)
index = this.children.Count;
this.children.Insert(index, element);
element.Parent = this;
element.System = this.System;
this.SetDirty();
return element;
}
public void RemoveChild(Element element) {
@ -104,8 +114,24 @@ namespace MLEM.Ui.Elements {
this.SetDirty();
}
public void MoveToFront() {
if (this.Parent != null) {
this.Parent.RemoveChild(this);
this.Parent.AddChild(this);
}
}
public void MoveToBack() {
if (this.Parent != null) {
this.Parent.RemoveChild(this);
this.Parent.AddChild(this, 0);
}
}
public void SetDirty() {
this.areaDirty = true;
if (this.Parent != null)
this.Parent.SetDirty();
}
public void UpdateAreaIfDirty() {
@ -176,7 +202,7 @@ namespace MLEM.Ui.Elements {
}
if (this.Anchor >= Anchor.AutoLeft) {
var previousChild = this.GetPreviousChild();
var previousChild = this.GetPreviousChild(false);
if (previousChild != null) {
var prevArea = previousChild.Area;
switch (this.Anchor) {
@ -214,12 +240,14 @@ namespace MLEM.Ui.Elements {
(this.size.Y > 1 ? this.size.Y : parentArea.Height * this.size.Y).Floor());
}
protected Element GetPreviousChild() {
protected Element GetPreviousChild(bool hiddenAlso) {
if (this.Parent == null)
return null;
Element lastChild = null;
foreach (var child in this.Parent.children) {
if (!hiddenAlso && child.IsHidden)
continue;
if (child == this)
break;
lastChild = child;
@ -257,8 +285,8 @@ namespace MLEM.Ui.Elements {
return null;
if (!this.Area.Contains(mousePos))
return null;
foreach (var child in this.children) {
var element = child.GetMousedElement(mousePos);
for (var i = this.children.Count - 1; i >= 0; i--) {
var element = this.children[i].GetMousedElement(mousePos);
if (element != null)
return element;
}

29
MLEM.Ui/Elements/Image.cs Normal file
View file

@ -0,0 +1,29 @@
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using MLEM.Extensions;
using MLEM.Textures;
namespace MLEM.Ui.Elements {
public class Image : Element {
public Color Color = Color.White;
private readonly TextureRegion texture;
private readonly bool scaleToImage;
public Image(Anchor anchor, Vector2 size, TextureRegion texture, bool scaleToImage = false) : base(anchor, size) {
this.texture = texture;
this.scaleToImage = scaleToImage;
this.Padding = new Point(1);
}
protected override Point CalcActualSize(Rectangle parentArea) {
return this.scaleToImage ? this.texture.Size : base.CalcActualSize(parentArea);
}
public override void Draw(GameTime time, SpriteBatch batch, Color color) {
batch.Draw(this.texture, this.DisplayArea, this.Color.CopyAlpha(color));
base.Draw(time, batch, color);
}
}
}

3
Tests/GameImpl.cs
View file

@ -32,10 +32,11 @@ namespace Tests {
var root = new Panel(Anchor.BottomLeft, new Vector2(100, 100), new Point(5, 5), this.testPatch);
root.AddChild(new Paragraph(Anchor.AutoLeft, 1, "This is a test text that is hopefully long enough to cover at least a few lines, otherwise it would be very sad.", 0.2F));
var image = root.AddChild(new Image(Anchor.AutoCenter, new Vector2(20, 20), new TextureRegion(this.testTexture, 0, 0, 8, 8)) {IsHidden = true});
root.AddChild(new Button(Anchor.AutoCenter, new Vector2(1, 15), new NinePatch(new TextureRegion(this.testTexture, 24, 8, 16, 16), 4), "Test Button") {
OnClicked = (element, pos, button) => {
if (button == MouseButton.Left)
Console.WriteLine("Clicked");
image.IsHidden = !image.IsHidden;
}
});
this.uiSystem.Add("Test", root);