/
idataobject.go
168 lines (148 loc) · 3.78 KB
/
idataobject.go
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//go:build windows
package w32
import (
"golang.org/x/sys/windows"
"syscall"
"unsafe"
)
type IDataObjectVtbl struct {
IUnknownVtbl
GetData ComProc
GetDataHere ComProc
QueryGetData ComProc
GetCanonicalFormatEtc ComProc
SetData ComProc
EnumFormatEtc ComProc
DAdvise ComProc
}
type IDataObject struct {
Vtbl *IDataObjectVtbl
}
func (i *IDataObject) AddRef() uintptr {
refCounter, _, _ := i.Vtbl.AddRef.Call(uintptr(unsafe.Pointer(i)))
return refCounter
}
func (i *IDataObject) GetData(formatEtc *FORMATETC, medium *STGMEDIUM) error {
hr, _, err := i.Vtbl.GetData.Call(
uintptr(unsafe.Pointer(i)),
uintptr(unsafe.Pointer(formatEtc)),
uintptr(unsafe.Pointer(medium)),
)
if windows.Handle(hr) != windows.S_OK {
return syscall.Errno(hr)
}
return err
}
func (i *IDataObject) GetDataHere(formatEtc *FORMATETC, medium *STGMEDIUM) error {
hr, _, err := i.Vtbl.GetDataHere.Call(
uintptr(unsafe.Pointer(i)),
uintptr(unsafe.Pointer(formatEtc)),
uintptr(unsafe.Pointer(medium)),
)
if windows.Handle(hr) != windows.S_OK {
return syscall.Errno(hr)
}
return err
}
func (i *IDataObject) QueryGetData(formatEtc *FORMATETC) error {
hr, _, err := i.Vtbl.QueryGetData.Call(
uintptr(unsafe.Pointer(i)),
uintptr(unsafe.Pointer(formatEtc)),
)
if windows.Handle(hr) != windows.S_OK {
return syscall.Errno(hr)
}
return err
}
func (i *IDataObject) GetCanonicalFormatEtc(inputFormatEtc *FORMATETC, outputFormatEtc *FORMATETC) error {
hr, _, err := i.Vtbl.GetCanonicalFormatEtc.Call(
uintptr(unsafe.Pointer(i)),
uintptr(unsafe.Pointer(inputFormatEtc)),
uintptr(unsafe.Pointer(outputFormatEtc)),
)
if windows.Handle(hr) != windows.S_OK {
return syscall.Errno(hr)
}
return err
}
func (i *IDataObject) SetData(formatEtc *FORMATETC, medium *STGMEDIUM, release bool) error {
hr, _, err := i.Vtbl.SetData.Call(
uintptr(unsafe.Pointer(i)),
uintptr(unsafe.Pointer(formatEtc)),
uintptr(unsafe.Pointer(medium)),
uintptr(BoolToBOOL(release)),
)
if windows.Handle(hr) != windows.S_OK {
return syscall.Errno(hr)
}
return err
}
func (i *IDataObject) EnumFormatEtc(dwDirection uint32, enumFormatEtc **IEnumFORMATETC) error {
hr, _, err := i.Vtbl.EnumFormatEtc.Call(
uintptr(unsafe.Pointer(i)),
uintptr(dwDirection),
uintptr(unsafe.Pointer(enumFormatEtc)),
)
if windows.Handle(hr) != windows.S_OK {
return syscall.Errno(hr)
}
return err
}
func (i *IDataObject) DAdvise(formatEtc *FORMATETC, advf uint32, adviseSink *IAdviseSink, pdwConnection *uint32) error {
hr, _, err := i.Vtbl.DAdvise.Call(
uintptr(unsafe.Pointer(i)),
uintptr(unsafe.Pointer(formatEtc)),
uintptr(advf),
uintptr(unsafe.Pointer(adviseSink)),
uintptr(unsafe.Pointer(pdwConnection)),
)
if windows.Handle(hr) != windows.S_OK {
return syscall.Errno(hr)
}
return err
}
type DVTargetDevice struct {
TdSize uint32
TdDriverNameOffset uint16
TdDeviceNameOffset uint16
TdPortNameOffset uint16
TdExtDevmodeOffset uint16
TdData [1]byte
}
type FORMATETC struct {
CfFormat uint16
Ptd *DVTargetDevice
DwAspect uint32
Lindex int32
Tymed Tymed
}
type Tymed uint32
const (
TYMED_HGLOBAL Tymed = 1
TYMED_FILE Tymed = 2
TYMED_ISTREAM Tymed = 4
TYMED_ISTORAGE Tymed = 8
TYMED_GDI Tymed = 16
TYMED_MFPICT Tymed = 32
TYMED_ENHMF Tymed = 64
TYMED_NULL Tymed = 0
)
type STGMEDIUM struct {
Tymed Tymed
Union uintptr
PUnkForRelease IUnknownImpl
}
func (s STGMEDIUM) FileName() string {
if s.Tymed != TYMED_FILE {
return ""
}
return windows.UTF16PtrToString((*uint16)(unsafe.Pointer(s.Union)))
}
func (s STGMEDIUM) Release() {
if s.PUnkForRelease != nil {
s.PUnkForRelease.Release()
}
}
type IEnumFORMATETC struct{}
type IAdviseSink struct{}
type IEnumStatData struct{}