/
utils.go
648 lines (623 loc) · 15.7 KB
/
utils.go
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//go:build windows
/*
* Copyright (C) 2019 Tad Vizbaras. All Rights Reserved.
* Copyright (C) 2010-2012 The W32 Authors. All Rights Reserved.
*/
package w32
import (
"fmt"
"os"
"runtime/debug"
"strconv"
"syscall"
"unicode/utf16"
"unsafe"
)
func MustLoadLibrary(name string) uintptr {
lib, err := syscall.LoadLibrary(name)
if err != nil {
panic(err)
}
return uintptr(lib)
}
func MustGetProcAddress(lib uintptr, name string) uintptr {
addr, err := syscall.GetProcAddress(syscall.Handle(lib), name)
if err != nil {
panic(err)
}
return uintptr(addr)
}
func SUCCEEDED(hr HRESULT) bool {
return hr >= 0
}
func FAILED(hr HRESULT) bool {
return hr < 0
}
func LOWORD(dw uint32) uint16 {
return uint16(dw)
}
func HIWORD(dw uint32) uint16 {
return uint16(dw >> 16 & 0xffff)
}
func MAKELONG(lo, hi uint16) uint32 {
return uint32(uint32(lo) | ((uint32(hi)) << 16))
}
func BoolToBOOL(value bool) BOOL {
if value {
return 1
}
return 0
}
func UTF16PtrToString(cstr *uint16) string {
if cstr != nil {
us := make([]uint16, 0, 256)
for p := uintptr(unsafe.Pointer(cstr)); ; p += 2 {
u := *(*uint16)(unsafe.Pointer(p))
if u == 0 {
return string(utf16.Decode(us))
}
us = append(us, u)
}
}
return ""
}
func ComAddRef(unknown *IUnknown) int32 {
ret, _, _ := syscall.Syscall(uintptr(unknown.Vtbl.AddRef), 1,
uintptr(unsafe.Pointer(unknown)),
0,
0)
return int32(ret)
}
func ComRelease(unknown *IUnknown) int32 {
ret, _, _ := syscall.Syscall(uintptr(unknown.Vtbl.Release), 1,
uintptr(unsafe.Pointer(unknown)),
0,
0)
return int32(ret)
}
func ComQueryInterface(unknown *IUnknown, id *GUID) *IDispatch {
var disp *IDispatch
hr, _, _ := syscall.Syscall(uintptr(unknown.Vtbl.QueryInterface), 3,
uintptr(unsafe.Pointer(unknown)),
uintptr(unsafe.Pointer(id)),
uintptr(unsafe.Pointer(&disp)))
if hr != 0 {
panic("Invoke QieryInterface error.")
}
return disp
}
func ComGetIDsOfName(disp *IDispatch, names []string) []int32 {
wnames := make([]*uint16, len(names))
dispid := make([]int32, len(names))
for i := 0; i < len(names); i++ {
wnames[i] = syscall.StringToUTF16Ptr(names[i])
}
hr, _, _ := syscall.Syscall6(disp.lpVtbl.pGetIDsOfNames, 6,
uintptr(unsafe.Pointer(disp)),
uintptr(unsafe.Pointer(IID_NULL)),
uintptr(unsafe.Pointer(&wnames[0])),
uintptr(len(names)),
uintptr(GetUserDefaultLCID()),
uintptr(unsafe.Pointer(&dispid[0])))
if hr != 0 {
panic("Invoke GetIDsOfName error.")
}
return dispid
}
func ComInvoke(disp *IDispatch, dispid int32, dispatch int16, params ...interface{}) (result *VARIANT) {
var dispparams DISPPARAMS
if dispatch&DISPATCH_PROPERTYPUT != 0 {
dispnames := [1]int32{DISPID_PROPERTYPUT}
dispparams.RgdispidNamedArgs = uintptr(unsafe.Pointer(&dispnames[0]))
dispparams.CNamedArgs = 1
}
var vargs []VARIANT
if len(params) > 0 {
vargs = make([]VARIANT, len(params))
for i, v := range params {
//n := len(params)-i-1
n := len(params) - i - 1
VariantInit(&vargs[n])
switch v.(type) {
case bool:
if v.(bool) {
vargs[n] = VARIANT{VT_BOOL, 0, 0, 0, 0xffff}
} else {
vargs[n] = VARIANT{VT_BOOL, 0, 0, 0, 0}
}
case *bool:
vargs[n] = VARIANT{VT_BOOL | VT_BYREF, 0, 0, 0, int64(uintptr(unsafe.Pointer(v.(*bool))))}
case byte:
vargs[n] = VARIANT{VT_I1, 0, 0, 0, int64(v.(byte))}
case *byte:
vargs[n] = VARIANT{VT_I1 | VT_BYREF, 0, 0, 0, int64(uintptr(unsafe.Pointer(v.(*byte))))}
case int16:
vargs[n] = VARIANT{VT_I2, 0, 0, 0, int64(v.(int16))}
case *int16:
vargs[n] = VARIANT{VT_I2 | VT_BYREF, 0, 0, 0, int64(uintptr(unsafe.Pointer(v.(*int16))))}
case uint16:
vargs[n] = VARIANT{VT_UI2, 0, 0, 0, int64(v.(int16))}
case *uint16:
vargs[n] = VARIANT{VT_UI2 | VT_BYREF, 0, 0, 0, int64(uintptr(unsafe.Pointer(v.(*uint16))))}
case int, int32:
vargs[n] = VARIANT{VT_UI4, 0, 0, 0, int64(v.(int))}
case *int, *int32:
vargs[n] = VARIANT{VT_I4 | VT_BYREF, 0, 0, 0, int64(uintptr(unsafe.Pointer(v.(*int))))}
case uint, uint32:
vargs[n] = VARIANT{VT_UI4, 0, 0, 0, int64(v.(uint))}
case *uint, *uint32:
vargs[n] = VARIANT{VT_UI4 | VT_BYREF, 0, 0, 0, int64(uintptr(unsafe.Pointer(v.(*uint))))}
case int64:
vargs[n] = VARIANT{VT_I8, 0, 0, 0, v.(int64)}
case *int64:
vargs[n] = VARIANT{VT_I8 | VT_BYREF, 0, 0, 0, int64(uintptr(unsafe.Pointer(v.(*int64))))}
case uint64:
vargs[n] = VARIANT{VT_UI8, 0, 0, 0, int64(v.(uint64))}
case *uint64:
vargs[n] = VARIANT{VT_UI8 | VT_BYREF, 0, 0, 0, int64(uintptr(unsafe.Pointer(v.(*uint64))))}
case float32:
vargs[n] = VARIANT{VT_R4, 0, 0, 0, int64(v.(float32))}
case *float32:
vargs[n] = VARIANT{VT_R4 | VT_BYREF, 0, 0, 0, int64(uintptr(unsafe.Pointer(v.(*float32))))}
case float64:
vargs[n] = VARIANT{VT_R8, 0, 0, 0, int64(v.(float64))}
case *float64:
vargs[n] = VARIANT{VT_R8 | VT_BYREF, 0, 0, 0, int64(uintptr(unsafe.Pointer(v.(*float64))))}
case string:
vargs[n] = VARIANT{VT_BSTR, 0, 0, 0, int64(uintptr(unsafe.Pointer(SysAllocString(v.(string)))))}
case *string:
vargs[n] = VARIANT{VT_BSTR | VT_BYREF, 0, 0, 0, int64(uintptr(unsafe.Pointer(v.(*string))))}
case *IDispatch:
vargs[n] = VARIANT{VT_DISPATCH, 0, 0, 0, int64(uintptr(unsafe.Pointer(v.(*IDispatch))))}
case **IDispatch:
vargs[n] = VARIANT{VT_DISPATCH | VT_BYREF, 0, 0, 0, int64(uintptr(unsafe.Pointer(v.(**IDispatch))))}
case nil:
vargs[n] = VARIANT{VT_NULL, 0, 0, 0, 0}
case *VARIANT:
vargs[n] = VARIANT{VT_VARIANT | VT_BYREF, 0, 0, 0, int64(uintptr(unsafe.Pointer(v.(*VARIANT))))}
default:
panic("unknown type")
}
}
dispparams.Rgvarg = uintptr(unsafe.Pointer(&vargs[0]))
dispparams.CArgs = uint32(len(params))
}
var ret VARIANT
var excepInfo EXCEPINFO
VariantInit(&ret)
hr, _, _ := syscall.Syscall9(disp.lpVtbl.pInvoke, 8,
uintptr(unsafe.Pointer(disp)),
uintptr(dispid),
uintptr(unsafe.Pointer(IID_NULL)),
uintptr(GetUserDefaultLCID()),
uintptr(dispatch),
uintptr(unsafe.Pointer(&dispparams)),
uintptr(unsafe.Pointer(&ret)),
uintptr(unsafe.Pointer(&excepInfo)),
0)
if hr != 0 {
if excepInfo.BstrDescription != nil {
bs := UTF16PtrToString(excepInfo.BstrDescription)
panic(bs)
}
}
for _, varg := range vargs {
if varg.VT == VT_BSTR && varg.Val != 0 {
SysFreeString(((*int16)(unsafe.Pointer(uintptr(varg.Val)))))
}
}
result = &ret
return
}
func WMMessageToString(msg uintptr) string {
// Convert windows message to string
switch msg {
case WM_APP:
return "WM_APP"
case WM_ACTIVATE:
return "WM_ACTIVATE"
case WM_ACTIVATEAPP:
return "WM_ACTIVATEAPP"
case WM_AFXFIRST:
return "WM_AFXFIRST"
case WM_AFXLAST:
return "WM_AFXLAST"
case WM_ASKCBFORMATNAME:
return "WM_ASKCBFORMATNAME"
case WM_CANCELJOURNAL:
return "WM_CANCELJOURNAL"
case WM_CANCELMODE:
return "WM_CANCELMODE"
case WM_CAPTURECHANGED:
return "WM_CAPTURECHANGED"
case WM_CHANGECBCHAIN:
return "WM_CHANGECBCHAIN"
case WM_CHAR:
return "WM_CHAR"
case WM_CHARTOITEM:
return "WM_CHARTOITEM"
case WM_CHILDACTIVATE:
return "WM_CHILDACTIVATE"
case WM_CLEAR:
return "WM_CLEAR"
case WM_CLOSE:
return "WM_CLOSE"
case WM_COMMAND:
return "WM_COMMAND"
case WM_COMMNOTIFY /* OBSOLETE */ :
return "WM_COMMNOTIFY"
case WM_COMPACTING:
return "WM_COMPACTING"
case WM_COMPAREITEM:
return "WM_COMPAREITEM"
case WM_CONTEXTMENU:
return "WM_CONTEXTMENU"
case WM_COPY:
return "WM_COPY"
case WM_COPYDATA:
return "WM_COPYDATA"
case WM_CREATE:
return "WM_CREATE"
case WM_CTLCOLORBTN:
return "WM_CTLCOLORBTN"
case WM_CTLCOLORDLG:
return "WM_CTLCOLORDLG"
case WM_CTLCOLOREDIT:
return "WM_CTLCOLOREDIT"
case WM_CTLCOLORLISTBOX:
return "WM_CTLCOLORLISTBOX"
case WM_CTLCOLORMSGBOX:
return "WM_CTLCOLORMSGBOX"
case WM_CTLCOLORSCROLLBAR:
return "WM_CTLCOLORSCROLLBAR"
case WM_CTLCOLORSTATIC:
return "WM_CTLCOLORSTATIC"
case WM_CUT:
return "WM_CUT"
case WM_DEADCHAR:
return "WM_DEADCHAR"
case WM_DELETEITEM:
return "WM_DELETEITEM"
case WM_DESTROY:
return "WM_DESTROY"
case WM_DESTROYCLIPBOARD:
return "WM_DESTROYCLIPBOARD"
case WM_DEVICECHANGE:
return "WM_DEVICECHANGE"
case WM_DEVMODECHANGE:
return "WM_DEVMODECHANGE"
case WM_DISPLAYCHANGE:
return "WM_DISPLAYCHANGE"
case WM_DRAWCLIPBOARD:
return "WM_DRAWCLIPBOARD"
case WM_DRAWITEM:
return "WM_DRAWITEM"
case WM_DROPFILES:
return "WM_DROPFILES"
case WM_ENABLE:
return "WM_ENABLE"
case WM_ENDSESSION:
return "WM_ENDSESSION"
case WM_ENTERIDLE:
return "WM_ENTERIDLE"
case WM_ENTERMENULOOP:
return "WM_ENTERMENULOOP"
case WM_ENTERSIZEMOVE:
return "WM_ENTERSIZEMOVE"
case WM_ERASEBKGND:
return "WM_ERASEBKGND"
case WM_EXITMENULOOP:
return "WM_EXITMENULOOP"
case WM_EXITSIZEMOVE:
return "WM_EXITSIZEMOVE"
case WM_FONTCHANGE:
return "WM_FONTCHANGE"
case WM_GETDLGCODE:
return "WM_GETDLGCODE"
case WM_GETFONT:
return "WM_GETFONT"
case WM_GETHOTKEY:
return "WM_GETHOTKEY"
case WM_GETICON:
return "WM_GETICON"
case WM_GETMINMAXINFO:
return "WM_GETMINMAXINFO"
case WM_GETTEXT:
return "WM_GETTEXT"
case WM_GETTEXTLENGTH:
return "WM_GETTEXTLENGTH"
case WM_HANDHELDFIRST:
return "WM_HANDHELDFIRST"
case WM_HANDHELDLAST:
return "WM_HANDHELDLAST"
case WM_HELP:
return "WM_HELP"
case WM_HOTKEY:
return "WM_HOTKEY"
case WM_HSCROLL:
return "WM_HSCROLL"
case WM_HSCROLLCLIPBOARD:
return "WM_HSCROLLCLIPBOARD"
case WM_ICONERASEBKGND:
return "WM_ICONERASEBKGND"
case WM_INITDIALOG:
return "WM_INITDIALOG"
case WM_INITMENU:
return "WM_INITMENU"
case WM_INITMENUPOPUP:
return "WM_INITMENUPOPUP"
case WM_INPUT:
return "WM_INPUT"
case WM_INPUTLANGCHANGE:
return "WM_INPUTLANGCHANGE"
case WM_INPUTLANGCHANGEREQUEST:
return "WM_INPUTLANGCHANGEREQUEST"
case WM_KEYDOWN:
return "WM_KEYDOWN"
case WM_KEYUP:
return "WM_KEYUP"
case WM_KILLFOCUS:
return "WM_KILLFOCUS"
case WM_MDIACTIVATE:
return "WM_MDIACTIVATE"
case WM_MDICASCADE:
return "WM_MDICASCADE"
case WM_MDICREATE:
return "WM_MDICREATE"
case WM_MDIDESTROY:
return "WM_MDIDESTROY"
case WM_MDIGETACTIVE:
return "WM_MDIGETACTIVE"
case WM_MDIICONARRANGE:
return "WM_MDIICONARRANGE"
case WM_MDIMAXIMIZE:
return "WM_MDIMAXIMIZE"
case WM_MDINEXT:
return "WM_MDINEXT"
case WM_MDIREFRESHMENU:
return "WM_MDIREFRESHMENU"
case WM_MDIRESTORE:
return "WM_MDIRESTORE"
case WM_MDISETMENU:
return "WM_MDISETMENU"
case WM_MDITILE:
return "WM_MDITILE"
case WM_MEASUREITEM:
return "WM_MEASUREITEM"
case WM_GETOBJECT:
return "WM_GETOBJECT"
case WM_CHANGEUISTATE:
return "WM_CHANGEUISTATE"
case WM_UPDATEUISTATE:
return "WM_UPDATEUISTATE"
case WM_QUERYUISTATE:
return "WM_QUERYUISTATE"
case WM_UNINITMENUPOPUP:
return "WM_UNINITMENUPOPUP"
case WM_MENURBUTTONUP:
return "WM_MENURBUTTONUP"
case WM_MENUCOMMAND:
return "WM_MENUCOMMAND"
case WM_MENUGETOBJECT:
return "WM_MENUGETOBJECT"
case WM_MENUDRAG:
return "WM_MENUDRAG"
case WM_APPCOMMAND:
return "WM_APPCOMMAND"
case WM_MENUCHAR:
return "WM_MENUCHAR"
case WM_MENUSELECT:
return "WM_MENUSELECT"
case WM_MOVE:
return "WM_MOVE"
case WM_MOVING:
return "WM_MOVING"
case WM_NCACTIVATE:
return "WM_NCACTIVATE"
case WM_NCCALCSIZE:
return "WM_NCCALCSIZE"
case WM_NCCREATE:
return "WM_NCCREATE"
case WM_NCDESTROY:
return "WM_NCDESTROY"
case WM_NCHITTEST:
return "WM_NCHITTEST"
case WM_NCLBUTTONDBLCLK:
return "WM_NCLBUTTONDBLCLK"
case WM_NCLBUTTONDOWN:
return "WM_NCLBUTTONDOWN"
case WM_NCLBUTTONUP:
return "WM_NCLBUTTONUP"
case WM_NCMBUTTONDBLCLK:
return "WM_NCMBUTTONDBLCLK"
case WM_NCMBUTTONDOWN:
return "WM_NCMBUTTONDOWN"
case WM_NCMBUTTONUP:
return "WM_NCMBUTTONUP"
case WM_NCXBUTTONDOWN:
return "WM_NCXBUTTONDOWN"
case WM_NCXBUTTONUP:
return "WM_NCXBUTTONUP"
case WM_NCXBUTTONDBLCLK:
return "WM_NCXBUTTONDBLCLK"
case WM_NCMOUSEHOVER:
return "WM_NCMOUSEHOVER"
case WM_NCMOUSELEAVE:
return "WM_NCMOUSELEAVE"
case WM_NCMOUSEMOVE:
return "WM_NCMOUSEMOVE"
case WM_NCPAINT:
return "WM_NCPAINT"
case WM_NCRBUTTONDBLCLK:
return "WM_NCRBUTTONDBLCLK"
case WM_NCRBUTTONDOWN:
return "WM_NCRBUTTONDOWN"
case WM_NCRBUTTONUP:
return "WM_NCRBUTTONUP"
case WM_NEXTDLGCTL:
return "WM_NEXTDLGCTL"
case WM_NEXTMENU:
return "WM_NEXTMENU"
case WM_NOTIFY:
return "WM_NOTIFY"
case WM_NOTIFYFORMAT:
return "WM_NOTIFYFORMAT"
case WM_NULL:
return "WM_NULL"
case WM_PAINT:
return "WM_PAINT"
case WM_PAINTCLIPBOARD:
return "WM_PAINTCLIPBOARD"
case WM_PAINTICON:
return "WM_PAINTICON"
case WM_PALETTECHANGED:
return "WM_PALETTECHANGED"
case WM_PALETTEISCHANGING:
return "WM_PALETTEISCHANGING"
case WM_PARENTNOTIFY:
return "WM_PARENTNOTIFY"
case WM_PASTE:
return "WM_PASTE"
case WM_PENWINFIRST:
return "WM_PENWINFIRST"
case WM_PENWINLAST:
return "WM_PENWINLAST"
case WM_POWER:
return "WM_POWER"
case WM_PRINT:
return "WM_PRINT"
case WM_PRINTCLIENT:
return "WM_PRINTCLIENT"
case WM_QUERYDRAGICON:
return "WM_QUERYDRAGICON"
case WM_QUERYENDSESSION:
return "WM_QUERYENDSESSION"
case WM_QUERYNEWPALETTE:
return "WM_QUERYNEWPALETTE"
case WM_QUERYOPEN:
return "WM_QUERYOPEN"
case WM_QUEUESYNC:
return "WM_QUEUESYNC"
case WM_QUIT:
return "WM_QUIT"
case WM_RENDERALLFORMATS:
return "WM_RENDERALLFORMATS"
case WM_RENDERFORMAT:
return "WM_RENDERFORMAT"
case WM_SETCURSOR:
return "WM_SETCURSOR"
case WM_SETFOCUS:
return "WM_SETFOCUS"
case WM_SETFONT:
return "WM_SETFONT"
case WM_SETHOTKEY:
return "WM_SETHOTKEY"
case WM_SETICON:
return "WM_SETICON"
case WM_SETREDRAW:
return "WM_SETREDRAW"
case WM_SETTEXT:
return "WM_SETTEXT"
case WM_SETTINGCHANGE:
return "WM_SETTINGCHANGE"
case WM_SHOWWINDOW:
return "WM_SHOWWINDOW"
case WM_SIZE:
return "WM_SIZE"
case WM_SIZECLIPBOARD:
return "WM_SIZECLIPBOARD"
case WM_SIZING:
return "WM_SIZING"
case WM_SPOOLERSTATUS:
return "WM_SPOOLERSTATUS"
case WM_STYLECHANGED:
return "WM_STYLECHANGED"
case WM_STYLECHANGING:
return "WM_STYLECHANGING"
case WM_SYSCHAR:
return "WM_SYSCHAR"
case WM_SYSCOLORCHANGE:
return "WM_SYSCOLORCHANGE"
case WM_SYSCOMMAND:
return "WM_SYSCOMMAND"
case WM_SYSDEADCHAR:
return "WM_SYSDEADCHAR"
case WM_SYSKEYDOWN:
return "WM_SYSKEYDOWN"
case WM_SYSKEYUP:
return "WM_SYSKEYUP"
case WM_TCARD:
return "WM_TCARD"
case WM_THEMECHANGED:
return "WM_THEMECHANGED"
case WM_TIMECHANGE:
return "WM_TIMECHANGE"
case WM_TIMER:
return "WM_TIMER"
case WM_UNDO:
return "WM_UNDO"
case WM_USER:
return "WM_USER"
case WM_USERCHANGED:
return "WM_USERCHANGED"
case WM_VKEYTOITEM:
return "WM_VKEYTOITEM"
case WM_VSCROLL:
return "WM_VSCROLL"
case WM_VSCROLLCLIPBOARD:
return "WM_VSCROLLCLIPBOARD"
case WM_WINDOWPOSCHANGED:
return "WM_WINDOWPOSCHANGED"
case WM_WINDOWPOSCHANGING:
return "WM_WINDOWPOSCHANGING"
case WM_KEYLAST:
return "WM_KEYLAST"
case WM_SYNCPAINT:
return "WM_SYNCPAINT"
case WM_MOUSEACTIVATE:
return "WM_MOUSEACTIVATE"
case WM_MOUSEMOVE:
return "WM_MOUSEMOVE"
case WM_LBUTTONDOWN:
return "WM_LBUTTONDOWN"
case WM_LBUTTONUP:
return "WM_LBUTTONUP"
case WM_LBUTTONDBLCLK:
return "WM_LBUTTONDBLCLK"
case WM_RBUTTONDOWN:
return "WM_RBUTTONDOWN"
case WM_RBUTTONUP:
return "WM_RBUTTONUP"
case WM_RBUTTONDBLCLK:
return "WM_RBUTTONDBLCLK"
case WM_MBUTTONDOWN:
return "WM_MBUTTONDOWN"
case WM_MBUTTONUP:
return "WM_MBUTTONUP"
case WM_MBUTTONDBLCLK:
return "WM_MBUTTONDBLCLK"
case WM_MOUSEWHEEL:
return "WM_MOUSEWHEEL"
case WM_XBUTTONDOWN:
return "WM_XBUTTONDOWN"
case WM_XBUTTONUP:
return "WM_XBUTTONUP"
case WM_MOUSELAST:
return "WM_MOUSELAST"
case WM_MOUSEHOVER:
return "WM_MOUSEHOVER"
case WM_MOUSELEAVE:
return "WM_MOUSELEAVE"
case WM_CLIPBOARDUPDATE:
return "WM_CLIPBOARDUPDATE"
default:
return fmt.Sprintf("0x%08x", msg)
}
}
func Fatal(message string) {
println("***************** FATAL ERROR ******************")
fmt.Println("Message: " + message)
fmt.Println("Last Error: " + strconv.Itoa(int(GetLastError())))
fmt.Println("Stack: " + string(debug.Stack()))
os.Exit(1)
}