37 lines
1.5 KiB
Java
37 lines
1.5 KiB
Java
package io.gitlab.jfronny.inceptum.gtk.callback;
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import io.github.jwharm.javagi.CallbackGenerator;
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import io.github.jwharm.javagi.Interop;
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import io.github.jwharm.javagi.Marshal;
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import io.github.jwharm.javagi.Ownership;
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import org.gtk.gobject.GiObject;
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import org.gtk.gobject.ParamSpec;
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import org.gtk.gobject.Value;
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import org.jetbrains.annotations.ApiStatus;
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import java.lang.foreign.FunctionDescriptor;
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import java.lang.foreign.Linker;
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import java.lang.foreign.MemoryAddress;
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import java.lang.invoke.MethodHandle;
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import java.lang.invoke.MethodHandles;
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public interface GetPropertyCallback {
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void invoke(GiObject object, int propertyId, Value value, ParamSpec paramSpec);
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default void upcall(MemoryAddress object, int propertyId, MemoryAddress value, MemoryAddress pspec) {
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invoke(GiObject.fromAddress.marshal(object, Ownership.NONE),
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propertyId,
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Value.fromAddress.marshal(value, Ownership.NONE),
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ParamSpec.fromAddress.marshal(pspec, Ownership.NONE));
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}
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@ApiStatus.Internal
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FunctionDescriptor DESCRIPTOR = FunctionDescriptor.ofVoid(Interop.valueLayout.ADDRESS, Interop.valueLayout.C_INT, Interop.valueLayout.ADDRESS, Interop.valueLayout.ADDRESS);
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@ApiStatus.Internal
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MethodHandle HANDLE = CallbackGenerator.getHandle(MethodHandles.lookup(), GetPropertyCallback.class, DESCRIPTOR);
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default MemoryAddress toCallback() {
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return Linker.nativeLinker().upcallStub(HANDLE.bindTo(this), DESCRIPTOR, Interop.getScope()).address();
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}
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}
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