91 lines
2.6 KiB
Go
91 lines
2.6 KiB
Go
package zenity
|
|
|
|
import (
|
|
"fmt"
|
|
"syscall"
|
|
"unsafe"
|
|
)
|
|
|
|
var (
|
|
comdlg32 = syscall.NewLazyDLL("comdlg32.dll")
|
|
kernel32 = syscall.NewLazyDLL("kernel32.dll")
|
|
ole32 = syscall.NewLazyDLL("ole32.dll")
|
|
shell32 = syscall.NewLazyDLL("shell32.dll")
|
|
user32 = syscall.NewLazyDLL("user32.dll")
|
|
|
|
commDlgExtendedError = comdlg32.NewProc("CommDlgExtendedError")
|
|
|
|
getCurrentThreadId = kernel32.NewProc("GetCurrentThreadId")
|
|
|
|
coInitializeEx = ole32.NewProc("CoInitializeEx")
|
|
coUninitialize = ole32.NewProc("CoUninitialize")
|
|
coCreateInstance = ole32.NewProc("CoCreateInstance")
|
|
coTaskMemFree = ole32.NewProc("CoTaskMemFree")
|
|
|
|
sendMessage = user32.NewProc("SendMessageW")
|
|
getClassName = user32.NewProc("GetClassNameW")
|
|
setWindowsHookEx = user32.NewProc("SetWindowsHookExW")
|
|
unhookWindowsHookEx = user32.NewProc("UnhookWindowsHookEx")
|
|
callNextHookEx = user32.NewProc("CallNextHookEx")
|
|
enumChildWindows = user32.NewProc("EnumChildWindows")
|
|
getDlgCtrlID = user32.NewProc("GetDlgCtrlID")
|
|
setWindowText = user32.NewProc("SetWindowTextW")
|
|
)
|
|
|
|
func commDlgError() error {
|
|
n, _, _ := commDlgExtendedError.Call()
|
|
if n == 0 {
|
|
return nil
|
|
} else {
|
|
return fmt.Errorf("Common Dialog error: %x", n)
|
|
}
|
|
}
|
|
|
|
type _CWPRETSTRUCT struct {
|
|
Result uintptr
|
|
LParam uintptr
|
|
WParam uintptr
|
|
Message uint32
|
|
Wnd uintptr
|
|
}
|
|
|
|
func hookDialogTitle(title string) (hook uintptr, err error) {
|
|
tid, _, _ := getCurrentThreadId.Call()
|
|
hook, _, err = setWindowsHookEx.Call(12, // WH_CALLWNDPROCRET
|
|
syscall.NewCallback(func(code int, wparam uintptr, lparam *_CWPRETSTRUCT) uintptr {
|
|
if lparam.Message == 0x0110 { // WM_INITDIALOG
|
|
name := [7]uint16{}
|
|
getClassName.Call(lparam.Wnd, uintptr(unsafe.Pointer(&name)), uintptr(len(name)))
|
|
if syscall.UTF16ToString(name[:]) == "#32770" { // The class for a dialog box
|
|
ptr := syscall.StringToUTF16Ptr(title)
|
|
setWindowText.Call(lparam.Wnd, uintptr(unsafe.Pointer(ptr)))
|
|
}
|
|
}
|
|
next, _, _ := callNextHookEx.Call(hook, uintptr(code), wparam, uintptr(unsafe.Pointer(lparam)))
|
|
return next
|
|
}), 0, tid)
|
|
return
|
|
}
|
|
|
|
type _COMObject struct{}
|
|
|
|
func (o *_COMObject) Call(trap uintptr, a ...uintptr) (r1, r2 uintptr, lastErr error) {
|
|
self := uintptr(unsafe.Pointer(o))
|
|
nargs := uintptr(len(a))
|
|
switch nargs {
|
|
case 0:
|
|
return syscall.Syscall(trap, nargs+1, self, 0, 0)
|
|
case 1:
|
|
return syscall.Syscall(trap, nargs+1, self, a[0], 0)
|
|
case 2:
|
|
return syscall.Syscall(trap, nargs+1, self, a[0], a[1])
|
|
default:
|
|
panic("COM call with too many arguments.")
|
|
}
|
|
}
|
|
|
|
type _IUnknownVtbl struct {
|
|
QueryInterface uintptr
|
|
AddRef uintptr
|
|
Release uintptr
|
|
}
|