Package org.lwjgl.system.windows
Interface WindowProcI
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- All Superinterfaces:
CallbackI
,CallbackI.P
,Pointer
- All Known Implementing Classes:
WindowProc
- Functional Interface:
- This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
@FunctionalInterface public interface WindowProcI extends CallbackI.P
An application-defined function that processes messages sent to a window.Type
LRESULT (*) ( HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
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Nested Class Summary
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Nested classes/interfaces inherited from interface org.lwjgl.system.CallbackI
CallbackI.B, CallbackI.D, CallbackI.F, CallbackI.I, CallbackI.J, CallbackI.N, CallbackI.P, CallbackI.S, CallbackI.V, CallbackI.Z
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Nested classes/interfaces inherited from interface org.lwjgl.system.Pointer
Pointer.Default
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Field Summary
Fields Modifier and Type Field Description static java.lang.String
SIGNATURE
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Fields inherited from interface org.lwjgl.system.Pointer
BITS32, BITS64, CLONG_SHIFT, CLONG_SIZE, POINTER_SHIFT, POINTER_SIZE
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Method Summary
All Methods Instance Methods Abstract Methods Default Methods Modifier and Type Method Description default long
callback(long args)
Will be called by native code.default java.lang.String
getSignature()
Returns the dyncall signature for this callback function.long
invoke(long hwnd, int uMsg, long wParam, long lParam)
Will be called for each message sent to the window.
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Method Detail
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getSignature
default java.lang.String getSignature()
Description copied from interface:CallbackI
Returns the dyncall signature for this callback function. [INTERNAL API]- Specified by:
getSignature
in interfaceCallbackI
- Returns:
- the dyncall signature
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callback
default long callback(long args)
Description copied from interface:CallbackI.P
Will be called by native code.- Specified by:
callback
in interfaceCallbackI.P
- Parameters:
args
- pointer to aDCArgs
iterator- Returns:
- the value to store to the result
DCValue
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invoke
long invoke(long hwnd, int uMsg, long wParam, long lParam)
Will be called for each message sent to the window.- Parameters:
hwnd
- a handle to the window procedure that received the messageuMsg
- the messagewParam
- additional message information. The content of this parameter depends on the value of theuMsg
parameter.lParam
- additional message information. The content of this parameter depends on the value of theuMsg
parameter.
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