diff options
Diffstat (limited to 'packages/w32/shell32.go')
-rw-r--r-- | packages/w32/shell32.go | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/packages/w32/shell32.go b/packages/w32/shell32.go deleted file mode 100644 index 0923b8b..0000000 --- a/packages/w32/shell32.go +++ /dev/null @@ -1,153 +0,0 @@ -// Copyright 2010-2012 The W32 Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package w32 - -import ( - "errors" - "fmt" - "syscall" - "unsafe" -) - -var ( - modshell32 = syscall.NewLazyDLL("shell32.dll") - - procSHBrowseForFolder = modshell32.NewProc("SHBrowseForFolderW") - procSHGetPathFromIDList = modshell32.NewProc("SHGetPathFromIDListW") - procDragAcceptFiles = modshell32.NewProc("DragAcceptFiles") - procDragQueryFile = modshell32.NewProc("DragQueryFileW") - procDragQueryPoint = modshell32.NewProc("DragQueryPoint") - procDragFinish = modshell32.NewProc("DragFinish") - procShellExecute = modshell32.NewProc("ShellExecuteW") - procExtractIcon = modshell32.NewProc("ExtractIconW") -) - -func SHBrowseForFolder(bi *BROWSEINFO) uintptr { - ret, _, _ := procSHBrowseForFolder.Call(uintptr(unsafe.Pointer(bi))) - - return ret -} - -func SHGetPathFromIDList(idl uintptr) string { - buf := make([]uint16, 1024) - procSHGetPathFromIDList.Call( - idl, - uintptr(unsafe.Pointer(&buf[0]))) - - return syscall.UTF16ToString(buf) -} - -func DragAcceptFiles(hwnd HWND, accept bool) { - procDragAcceptFiles.Call( - uintptr(hwnd), - uintptr(BoolToBOOL(accept))) -} - -func DragQueryFile(hDrop HDROP, iFile uint) (fileName string, fileCount uint) { - ret, _, _ := procDragQueryFile.Call( - uintptr(hDrop), - uintptr(iFile), - 0, - 0) - - fileCount = uint(ret) - - if iFile != 0xFFFFFFFF { - buf := make([]uint16, fileCount+1) - - ret, _, _ := procDragQueryFile.Call( - uintptr(hDrop), - uintptr(iFile), - uintptr(unsafe.Pointer(&buf[0])), - uintptr(fileCount+1)) - - if ret == 0 { - panic("Invoke DragQueryFile error.") - } - - fileName = syscall.UTF16ToString(buf) - } - - return -} - -func DragQueryPoint(hDrop HDROP) (x, y int, isClientArea bool) { - var pt POINT - ret, _, _ := procDragQueryPoint.Call( - uintptr(hDrop), - uintptr(unsafe.Pointer(&pt))) - - return int(pt.X), int(pt.Y), (ret == 1) -} - -func DragFinish(hDrop HDROP) { - procDragFinish.Call(uintptr(hDrop)) -} - -func ShellExecute(hwnd HWND, lpOperation, lpFile, lpParameters, lpDirectory string, nShowCmd int) error { - var op, param, directory uintptr - if len(lpOperation) != 0 { - op = uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(lpOperation))) - } - if len(lpParameters) != 0 { - param = uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(lpParameters))) - } - if len(lpDirectory) != 0 { - directory = uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(lpDirectory))) - } - - ret, _, _ := procShellExecute.Call( - uintptr(hwnd), - op, - uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(lpFile))), - param, - directory, - uintptr(nShowCmd)) - - errorMsg := "" - if ret != 0 && ret <= 32 { - switch int(ret) { - case ERROR_FILE_NOT_FOUND: - errorMsg = "The specified file was not found." - case ERROR_PATH_NOT_FOUND: - errorMsg = "The specified path was not found." - case ERROR_BAD_FORMAT: - errorMsg = "The .exe file is invalid (non-Win32 .exe or error in .exe image)." - case SE_ERR_ACCESSDENIED: - errorMsg = "The operating system denied access to the specified file." - case SE_ERR_ASSOCINCOMPLETE: - errorMsg = "The file name association is incomplete or invalid." - case SE_ERR_DDEBUSY: - errorMsg = "The DDE transaction could not be completed because other DDE transactions were being processed." - case SE_ERR_DDEFAIL: - errorMsg = "The DDE transaction failed." - case SE_ERR_DDETIMEOUT: - errorMsg = "The DDE transaction could not be completed because the request timed out." - case SE_ERR_DLLNOTFOUND: - errorMsg = "The specified DLL was not found." - case SE_ERR_NOASSOC: - errorMsg = "There is no application associated with the given file name extension. This error will also be returned if you attempt to print a file that is not printable." - case SE_ERR_OOM: - errorMsg = "There was not enough memory to complete the operation." - case SE_ERR_SHARE: - errorMsg = "A sharing violation occurred." - default: - errorMsg = fmt.Sprintf("Unknown error occurred with error code %v", ret) - } - } else { - return nil - } - - return errors.New(errorMsg) -} - -func ExtractIcon(lpszExeFileName string, nIconIndex int) HICON { - ret, _, _ := procExtractIcon.Call( - 0, - uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(lpszExeFileName))), - uintptr(nIconIndex)) - - return HICON(ret) -} |