61 lines
1.1 KiB
Go
61 lines
1.1 KiB
Go
// 7 february 2014
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package ui
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import (
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"syscall"
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"unsafe"
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)
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var (
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user32 = syscall.NewLazyDLL("user32.dll")
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kernel32 = syscall.NewLazyDLL("kernel32.dll")
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gdi32 = syscall.NewLazyDLL("gdi32.dll")
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)
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type _HANDLE uintptr
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type _HWND _HANDLE
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type _HBRUSH _HANDLE
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type _HMENU _HANDLE
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const (
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_NULL = 0
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_FALSE = 0 // from windef.h
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_TRUE = 1 // from windef.h
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)
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// In MSDN, _LPARAM and _LRESULT are listed as signed pointers, however their interpretation is message-specific. Ergo, just cast them yourself; it'll be the same. (Thanks to Tv` in #go-nuts for helping me realize this.)
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type _WPARAM uintptr
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type _LPARAM uintptr
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type _LRESULT uintptr
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func (w _WPARAM) LOWORD() uint16 {
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// according to windef.h
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return uint16(w & 0xFFFF)
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}
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func (w _WPARAM) HIWORD() uint16 {
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// according to windef.h
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return uint16((w >> 16) & 0xFFFF)
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}
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func _LPARAMFromString(str string) _LPARAM {
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return _LPARAM(unsafe.Pointer(syscall.StringToUTF16Ptr(str)))
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}
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// microsoft's header files do this
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func _MAKEINTRESOURCE(what uint16) uintptr {
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return uintptr(what)
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}
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type _POINT struct {
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X int32
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Y int32
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}
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type _RECT struct {
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Left int32
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Top int32
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Right int32
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Bottom int32
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}
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