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publicize some useful ui methods

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This commit is contained in:
Ellpeck 2019-09-02 18:41:05 +02:00
parent 3e7ddb8b1a
commit 64eefedac0
3 changed files with 16 additions and 16 deletions
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16
MLEM.Ui/Elements/Element.cs
View file

@ -174,7 +174,7 @@ namespace MLEM.Ui.Elements {
index = this.Children.Count; index = this.Children.Count;
this.Children.Insert(index, element); this.Children.Insert(index, element);
element.Parent = this; element.Parent = this;
element.Propagate(e => { element.AndChildren(e => {
e.Root = this.Root; e.Root = this.Root;
e.System = this.System; e.System = this.System;
}); });
@ -186,7 +186,7 @@ namespace MLEM.Ui.Elements {
public void RemoveChild(Element element) { public void RemoveChild(Element element) {
this.Children.Remove(element); this.Children.Remove(element);
element.Parent = null; element.Parent = null;
element.Propagate(e => { element.AndChildren(e => {
e.Root = null; e.Root = null;
e.System = null; e.System = null;
}); });
@ -454,6 +454,12 @@ namespace MLEM.Ui.Elements {
return this.CanBeMoused && this.Area.Contains(position) ? this : null; return this.CanBeMoused && this.Area.Contains(position) ? this : null;
} }
public void AndChildren(Action<Element> action) {
action(this);
foreach (var child in this.Children)
child.AndChildren(action);
}
protected virtual void InitStyle(UiStyle style) { protected virtual void InitStyle(UiStyle style) {
this.SelectionIndicator = style.SelectionIndicator; this.SelectionIndicator = style.SelectionIndicator;
} }
@ -466,11 +472,5 @@ namespace MLEM.Ui.Elements {
public delegate void DrawCallback(Element element, GameTime time, SpriteBatch batch, float alpha, Point offset); public delegate void DrawCallback(Element element, GameTime time, SpriteBatch batch, float alpha, Point offset);
internal void Propagate(Action<Element> action) {
action(this);
foreach (var child in this.Children)
child.Propagate(action);
}
} }
} }

4
MLEM.Ui/UiControls.cs
View file

@ -38,7 +38,7 @@ namespace MLEM.Ui {
if (mousedNow != null) if (mousedNow != null)
mousedNow.OnMouseEnter?.Invoke(mousedNow); mousedNow.OnMouseEnter?.Invoke(mousedNow);
this.MousedElement = mousedNow; this.MousedElement = mousedNow;
this.system.Propagate(e => e.OnMousedElementChanged?.Invoke(e, mousedNow)); this.system.ApplyToAll(e => e.OnMousedElementChanged?.Invoke(e, mousedNow));
} }
if (this.Input.IsMouseButtonPressed(MouseButton.Left)) { if (this.Input.IsMouseButtonPressed(MouseButton.Left)) {
@ -91,7 +91,7 @@ namespace MLEM.Ui {
element.OnSelected?.Invoke(element); element.OnSelected?.Invoke(element);
this.SelectedElement = element; this.SelectedElement = element;
this.SelectedLastElementWithMouse = mouse; this.SelectedLastElementWithMouse = mouse;
this.system.Propagate(e => e.OnSelectedElementChanged?.Invoke(e, element)); this.system.ApplyToAll(e => e.OnSelectedElementChanged?.Invoke(e, element));
} }
public Element GetElementUnderPos(Point position) { public Element GetElementUnderPos(Point position) {

12
MLEM.Ui/UiSystem.cs
View file

@ -42,7 +42,7 @@ namespace MLEM.Ui {
set { set {
this.style = value; this.style = value;
foreach (var root in this.rootElements) { foreach (var root in this.rootElements) {
root.Element.Propagate(e => e.System = this); root.Element.AndChildren(e => e.System = this);
root.Element.SetAreaDirty(); root.Element.SetAreaDirty();
} }
} }
@ -71,7 +71,7 @@ namespace MLEM.Ui {
window.AddTextInputListener((sender, key, character) => { window.AddTextInputListener((sender, key, character) => {
foreach (var root in this.rootElements) foreach (var root in this.rootElements)
root.Element.Propagate(e => e.OnTextInput?.Invoke(e, key, character)); root.Element.AndChildren(e => e.OnTextInput?.Invoke(e, key, character));
}); });
this.OnSelectedElementDrawn = (element, time, batch, alpha, offset) => { this.OnSelectedElementDrawn = (element, time, batch, alpha, offset) => {
@ -116,7 +116,7 @@ namespace MLEM.Ui {
if (index < 0 || index > this.rootElements.Count) if (index < 0 || index > this.rootElements.Count)
index = this.rootElements.Count; index = this.rootElements.Count;
this.rootElements.Insert(index, root); this.rootElements.Insert(index, root);
root.Element.Propagate(e => { root.Element.AndChildren(e => {
e.Root = root; e.Root = root;
e.System = this; e.System = this;
}); });
@ -128,7 +128,7 @@ namespace MLEM.Ui {
if (root == null) if (root == null)
return; return;
this.rootElements.Remove(root); this.rootElements.Remove(root);
root.Element.Propagate(e => { root.Element.AndChildren(e => {
e.Root = null; e.Root = null;
e.System = null; e.System = null;
}); });
@ -148,9 +148,9 @@ namespace MLEM.Ui {
yield return this.rootElements[i]; yield return this.rootElements[i];
} }
internal void Propagate(Action<Element> action) { public void ApplyToAll(Action<Element> action) {
foreach (var root in this.rootElements) foreach (var root in this.rootElements)
root.Element.Propagate(action); root.Element.AndChildren(action);
} }
} }