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源代码 UITest.zip(22.22 KB, 下载次数: 29)2022-5-4 03:27 上传
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代码summary:
namespace UI
{
abstract class Element
{
public int X, Y, DX, DY;
public CachedVar<int> FullX, FullY;
public CachedVar<int> MouseX, MouseY;
public CachedVar<bool> MouseInside, MouseInsideTmp;
public bool Visible, Enabled;
public CachedVar<bool> TrueVisible, TrueEnabled;
public Element Parent; // controls
public List<Element> Children = new List<Element>(); // forms
public CachedVar<bool> OnMouseButtonDown, OnMouseButtonUp, OnMouseButtonDownTmp;
public Element(int x, int y, int dx, int dy)
{
X = x;
Y = y;
DX = dx;
DY = dy;
FullX = new CachedVar<int>(() => Parent == null ? X : Parent.X + X);
FullY = new CachedVar<int>(() => Parent == null ? Y : Parent.Y + Y);
MouseX = new CachedVar<int>(() => Core.TheCore.MouseX - (Parent == null ? 0 : Parent.X) - X);
MouseY = new CachedVar<int>(() => Core.TheCore.MouseY - (Parent == null ? 0 : Parent.Y) - Y);
MouseInside = new CachedVar<bool>(() =>
{
if (MouseX.v() < 0 || MouseX.v() >= DX || MouseY.v() < 0 || MouseY.v() >= DY
|| (!TrueVisible.v()))
return false;
// truely visible:
if (Parent == null) // a form
{
for (int i = Core.TheCore.Root.Count - 1; i >= 0; i--)
{
Element e = Core.TheCore.Root<i>;
if (e == this)
break;
else
if (e.MouseX.v() >= 0 && e.MouseX.v() < e.DX && e.MouseY.v() >= 0 && e.MouseY.v() < e.DY
&& e.TrueVisible.v())
return false;
}
for (int i = Children.Count - 1; i >= 0; i--)
{
Element e = Children<i>;
if (e.MouseX.v() >= 0 && e.MouseX.v() < e.DX && e.MouseY.v() >= 0 && e.MouseY.v() < e.DY
&& e.TrueVisible.v())
return false;
}
return MouseX.v() >= 0 && MouseX.v() < DX && MouseY.v() >= 0 && MouseY.v() < DY;
}
else // a control
{
for (int i = Core.TheCore.Root.Count - 1; i >= 0; i--)
{
Element e = Core.TheCore.Root<i>;
if (e == Parent)
break;
else
if (e.MouseX.v() >= 0 && e.MouseX.v() < e.DX && e.MouseY.v() >= 0 && e.MouseY.v() < e.DY
&& e.TrueVisible.v())
return false;
}
return MouseX.v() >= 0 && MouseX.v() < DX && MouseY.v() >= 0 && MouseY.v() < DY;
}
});
MouseInsideTmp = new CachedVar<bool>(() =>
{
if (MouseX.v() < 0 || MouseX.v() >= DX || MouseY.v() < 0 || MouseY.v() >= DY
|| (!TrueVisible.v()))
return false;
// truely visible:
if (Parent == null) // a form
{
for (int i = Core.TheCore.Root.Count - 1; i >= 0; i--)
{
Element e = Core.TheCore.Root<i>;
if (e == this)
return MouseX.v() >= 0 && MouseX.v() < DX && MouseY.v() >= 0 && MouseY.v() < DY;
else
if (e.MouseX.v() >= 0 && e.MouseX.v() < e.DX && e.MouseY.v() >= 0 && e.MouseY.v() < e.DY
&& e.TrueVisible.v())
return false;
}
return false;
}
else // a control
return MouseInside.v();
});
Visible = true;
Enabled = true;
TrueVisible = new CachedVar<bool>(() => (Parent == null ? true : Parent.Visible) && Visible);
TrueEnabled = new CachedVar<bool>(() => (Parent == null ? true : Parent.Enabled) && Enabled);
OnMouseButtonDown = new CachedVar<bool>(() => (TrueEnabled.v() && MouseInside.v()) ? Core.TheCore.MouseButtonDown : false);
OnMouseButtonUp = new CachedVar<bool>(() => (TrueEnabled.v() && MouseInside.v()) ? Core.TheCore.MouseButtonUp : false);
OnMouseButtonDownTmp = new CachedVar<bool>(() => (TrueEnabled.v() && MouseInsideTmp.v()) ? Core.TheCore.MouseButtonDown : false);
}
public abstract Element Update(); // returns a form to be bringed to the top
public abstract void Render(Surface backSurface);
}
class Core
{
public static Core TheCore;
public int DX, DY;
public int MouseDX, MouseDY, MouseDZ, MouseX, MouseY;
public bool MouseLeftButton, MouseRightButton, MouseMiddleButton;
public bool MouseButtonDown, MouseButtonUp;
public List<Element> Root = new List<Element>();
public Core(int dx, int dy)
{
DX = dx;
DY = dy;
}
public void Update()
{
List<Element> tmps = new List<Element>();
foreach (Element e in Root)
{
Element tmp = e.Update();
if (tmp != null)
tmps.Add(tmp);
foreach (Element f in e.Children)
f.Update();
}
foreach (Element tmp in tmps)
{
Root.Remove(tmp);
Root.Add(tmp);
}
}
public void Render(Surface backSurface)
{
foreach (Element e in Root)
{
if (e.TrueVisible.v())
e.Render(backSurface);
foreach (Element f in e.Children)
if (f.TrueVisible.v())
f.Render(backSurface);
}
}
} |
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