63 lines
1.2 KiB
D
63 lines
1.2 KiB
D
import std.stdio;
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import std.container;
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import std.conv;
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import std.typecons;
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import std.traits;
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import qvariant;
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import qmetatype;
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public class ISlot
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{
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void Execute(QVariant[] arguments) {}
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}
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public QSlot!(T) CreateQSlot(T)(T t) if (isCallable!(T))
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{
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return new QSlot!(T)(t);
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}
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public class QSlot(T) : ISlot
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{
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alias ReturnType!T SlotReturnType;
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alias ParameterTypeTuple!T Arguments;
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public this(T callable)
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{
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_callable = callable;
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_parameterMetaTypes[0] = GetMetaType!SlotReturnType();
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foreach (i, arg; Arguments) {
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_parameterMetaTypes[i+1] = GetMetaType!arg();
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}
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}
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public override void Execute(QVariant[] arguments)
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{
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Arguments argumentsTuple;
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foreach (i, arg; argumentsTuple) {
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arguments[i + 1].getValue(argumentsTuple[i]);
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}
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static if (is(SlotReturnType == void))
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{
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opCall(argumentsTuple);
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}
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else
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{
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auto result = opCall(argumentsTuple);
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arguments[0].setValue(result);
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}
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}
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public ReturnType!T opCall(Arguments arguments)
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{
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return _callable(arguments);
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}
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public int[] GetParameterMetaTypes() { return _parameterMetaTypes; }
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private T _callable;
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private int[] _parameterMetaTypes = new int[Arguments.length + 1];
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};
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