Multiple directory selection.

cmd/zenity/main.go

@@ -65,8 +65,6 @@ func main() {
 			strResult(zenity.SelectFile(opts...))
 		case save:
 			strResult(zenity.SelectFileSave(opts...))
-		case directory:
-			strResult(zenity.SelectDirectory(opts...))
 		case multiple:
 			lstResult(zenity.SelectFileMutiple(opts...))
 		}
@@ -173,6 +171,9 @@ func loadFlags() []zenity.Option {
 
 	options = append(options, fileFilters.New())
 	options = append(options, zenity.Filename(filename))
+	if directory {
+		options = append(options, zenity.Directory)
+	}
 	if confirmOverwrite {
 		options = append(options, zenity.ConfirmOverwrite)
 	}

file_darwin.go

@@ -10,13 +10,19 @@ import (
 
 func SelectFile(options ...Option) (string, error) {
 	opts := optsParse(options)
-	dir, _ := splitDirAndName(opts.filename)
-	out, err := osa.Run("file", osa.File{
-		Operation: "chooseFile",
-		Prompt:    opts.title,
-		Type:      appleFilters(opts.filters),
-		Location:  dir,
-	})
+
+	data := osa.File{
+		Prompt: opts.title,
+	}
+	if opts.directory {
+		data.Operation = "chooseFolder"
+	} else {
+		data.Operation = "chooseFile"
+		data.Type = appleFilters(opts.filters)
+	}
+	data.Location, _ = splitDirAndName(opts.filename)
+
+	out, err := osa.Run("file", data)
 	if err, ok := err.(*exec.ExitError); ok && err.ExitCode() == 1 {
 		return "", nil
 	}
@@ -31,15 +37,21 @@ func SelectFile(options ...Option) (string, error) {
 
 func SelectFileMutiple(options ...Option) ([]string, error) {
 	opts := optsParse(options)
-	dir, _ := splitDirAndName(opts.filename)
-	out, err := osa.Run("file", osa.File{
-		Operation: "chooseFile",
+
+	data := osa.File{
 		Multiple:  true,
 		Prompt:    opts.title,
 		Separator: cmd.Separator,
-		Type:      appleFilters(opts.filters),
-		Location:  dir,
-	})
+	}
+	if opts.directory {
+		data.Operation = "chooseFolder"
+	} else {
+		data.Operation = "chooseFile"
+		data.Type = appleFilters(opts.filters)
+	}
+	data.Location, _ = splitDirAndName(opts.filename)
+
+	out, err := osa.Run("file", data)
 	if err, ok := err.(*exec.ExitError); ok && err.ExitCode() == 1 {
 		return nil, nil
 	}
@@ -57,33 +69,15 @@ func SelectFileMutiple(options ...Option) ([]string, error) {
 
 func SelectFileSave(options ...Option) (string, error) {
 	opts := optsParse(options)
-	dir, name := splitDirAndName(opts.filename)
-	out, err := osa.Run("file", osa.File{
+
+	data := osa.File{
 		Operation: "chooseFileName",
 		Prompt:    opts.title,
-		Location:  dir,
-		Name:      name,
-	})
-	if err, ok := err.(*exec.ExitError); ok && err.ExitCode() == 1 {
-		return "", nil
+		Type:      appleFilters(opts.filters),
 	}
-	if err != nil {
-		return "", err
-	}
-	if len(out) > 0 {
-		out = out[:len(out)-1]
-	}
-	return string(out), nil
-}
+	data.Location, data.Name = splitDirAndName(opts.filename)
 
-func SelectDirectory(options ...Option) (string, error) {
-	opts := optsParse(options)
-	dir, _ := splitDirAndName(opts.filename)
-	out, err := osa.Run("file", osa.File{
-		Operation: "chooseFolder",
-		Prompt:    opts.title,
-		Location:  dir,
-	})
+	out, err := osa.Run("file", data)
 	if err, ok := err.(*exec.ExitError); ok && err.ExitCode() == 1 {
 		return "", nil
 	}

file_test.go

@@ -47,7 +47,17 @@ func TestSelectFileSave(t *testing.T) {
 }
 
 func TestSelectDirectory(t *testing.T) {
-	res, err := SelectDirectory(Filename(defaultPath))
+	res, err := SelectFile(Directory, Filename(defaultPath))
+
+	if err != nil {
+		t.Error(err)
+	} else {
+		t.Logf("%#v", res)
+	}
+}
+
+func TestSelectDirectoryMultiple(t *testing.T) {
+	res, err := SelectFileMutiple(Directory, Filename(defaultPath))
 
 	if err != nil {
 		t.Error(err)

file_unix.go

@@ -14,6 +14,9 @@ func SelectFile(options ...Option) (string, error) {
 	opts := optsParse(options)
 
 	args := []string{"--file-selection"}
+	if opts.directory {
+		args = append(args, "--directory")
+	}
 	if opts.title != "" {
 		args = append(args, "--title", opts.title)
 	}
@@ -39,6 +42,9 @@ func SelectFileMutiple(options ...Option) ([]string, error) {
 	opts := optsParse(options)
 
 	args := []string{"--file-selection", "--multiple", "--separator", cmd.Separator}
+	if opts.directory {
+		args = append(args, "--directory")
+	}
 	if opts.title != "" {
 		args = append(args, "--title", opts.title)
 	}
@@ -88,30 +94,6 @@ func SelectFileSave(options ...Option) (string, error) {
 	return string(out), nil
 }
 
-func SelectDirectory(options ...Option) (string, error) {
-	opts := optsParse(options)
-
-	args := []string{"--file-selection", "--directory"}
-	if opts.title != "" {
-		args = append(args, "--title", opts.title)
-	}
-	if opts.filename != "" {
-		args = append(args, "--filename", opts.filename)
-	}
-
-	out, err := zen.Run(args)
-	if err, ok := err.(*exec.ExitError); ok && err.ExitCode() != 255 {
-		return "", nil
-	}
-	if err != nil {
-		return "", err
-	}
-	if len(out) > 0 {
-		out = out[:len(out)-1]
-	}
-	return string(out), nil
-}
-
 func zenityFilters(filters []FileFilter) []string {
 	var res []string
 	for _, f := range filters {

file_windows.go

@@ -20,11 +20,16 @@ var (
 )
 
 func SelectFile(options ...Option) (string, error) {
+	opts := optsParse(options)
+	if opts.directory {
+		res, _, err := pickFolders(opts, false)
+		return res, err
+	}
+
 	var args _OPENFILENAME
 	args.StructSize = uint32(unsafe.Sizeof(args))
 	args.Flags = 0x80008 // OFN_NOCHANGEDIR|OFN_EXPLORER
 
-	opts := optsParse(options)
 	if opts.title != "" {
 		args.Title = syscall.StringToUTF16Ptr(opts.title)
 	}
@@ -48,11 +53,16 @@ func SelectFile(options ...Option) (string, error) {
 }
 
 func SelectFileMutiple(options ...Option) ([]string, error) {
+	opts := optsParse(options)
+	if opts.directory {
+		_, res, err := pickFolders(opts, true)
+		return res, err
+	}
+
 	var args _OPENFILENAME
 	args.StructSize = uint32(unsafe.Sizeof(args))
 	args.Flags = 0x80208 // OFN_NOCHANGEDIR|OFN_ALLOWMULTISELECT|OFN_EXPLORER
 
-	opts := optsParse(options)
 	if opts.title != "" {
 		args.Title = syscall.StringToUTF16Ptr(opts.title)
 	}
@@ -101,11 +111,12 @@ func SelectFileMutiple(options ...Option) ([]string, error) {
 }
 
 func SelectFileSave(options ...Option) (string, error) {
+	opts := optsParse(options)
+
 	var args _OPENFILENAME
 	args.StructSize = uint32(unsafe.Sizeof(args))
 	args.Flags = 0x80008 // OFN_NOCHANGEDIR|OFN_EXPLORER
 
-	opts := optsParse(options)
 	if opts.title != "" {
 		args.Title = syscall.StringToUTF16Ptr(opts.title)
 	}
@@ -131,20 +142,18 @@ func SelectFileSave(options ...Option) (string, error) {
 	return syscall.UTF16ToString(res[:]), nil
 }
 
-func SelectDirectory(options ...Option) (string, error) {
+func pickFolders(opts options, multi bool) (str string, lst []string, err error) {
 	runtime.LockOSThread()
 	defer runtime.UnlockOSThread()
 
 	hr, _, _ := coInitializeEx.Call(0, 0x6) // COINIT_APARTMENTTHREADED|COINIT_DISABLE_OLE1DDE
 	if hr != 0x80010106 {                   // RPC_E_CHANGED_MODE
 		if int32(hr) < 0 {
-			return "", syscall.Errno(hr)
+			return "", nil, syscall.Errno(hr)
 		}
 		defer coUninitialize.Call()
 	}
 
-	opts := optsParse(options)
-
 	var dialog *_IFileOpenDialog
 	hr, _, _ = coCreateInstance.Call(
 		_CLSID_FileOpenDialog, 0, 0x17, // CLSCTX_ALL
@@ -157,11 +166,14 @@ func SelectDirectory(options ...Option) (string, error) {
 	var flgs int
 	hr, _, _ = dialog.Call(dialog.vtbl.GetOptions, uintptr(unsafe.Pointer(&flgs)))
 	if int32(hr) < 0 {
-		return "", syscall.Errno(hr)
+		return "", nil, syscall.Errno(hr)
+	}
+	if multi {
+		flgs |= 0x200 // FOS_ALLOWMULTISELECT
 	}
 	hr, _, _ = dialog.Call(dialog.vtbl.SetOptions, uintptr(flgs|0x68)) // FOS_NOCHANGEDIR|FOS_PICKFOLDERS|FOS_FORCEFILESYSTEM
 	if int32(hr) < 0 {
-		return "", syscall.Errno(hr)
+		return "", nil, syscall.Errno(hr)
 	}
 
 	if opts.title != "" {
@@ -185,33 +197,61 @@ func SelectDirectory(options ...Option) (string, error) {
 
 	hr, _, _ = dialog.Call(dialog.vtbl.Show, 0)
 	if hr == 0x800704c7 { // ERROR_CANCELLED
-		return "", nil
+		return "", nil, nil
 	}
 	if int32(hr) < 0 {
-		return "", syscall.Errno(hr)
+		return "", nil, syscall.Errno(hr)
 	}
 
-	var item *_IShellItem
-	hr, _, _ = dialog.Call(dialog.vtbl.GetResult, uintptr(unsafe.Pointer(&item)))
-	if int32(hr) < 0 {
-		return "", syscall.Errno(hr)
-	}
-	defer item.Call(item.vtbl.Release)
+	shellItemPath := func(obj *_COMObject, trap uintptr, a ...uintptr) error {
+		var item *_IShellItem
+		hr, _, _ := obj.Call(trap, append(a, uintptr(unsafe.Pointer(&item)))...)
+		if int32(hr) < 0 {
+			return syscall.Errno(hr)
+		}
+		defer item.Call(item.vtbl.Release)
 
-	var ptr uintptr
-	hr, _, _ = item.Call(item.vtbl.GetDisplayName,
-		0x80058000, // SIGDN_FILESYSPATH
-		uintptr(unsafe.Pointer(&ptr)))
-	if int32(hr) < 0 {
-		return "", syscall.Errno(hr)
-	}
-	defer coTaskMemFree.Call(ptr)
+		var ptr uintptr
+		hr, _, _ = item.Call(item.vtbl.GetDisplayName,
+			0x80058000, // SIGDN_FILESYSPATH
+			uintptr(unsafe.Pointer(&ptr)))
+		if int32(hr) < 0 {
+			return syscall.Errno(hr)
+		}
+		defer coTaskMemFree.Call(ptr)
 
-	res := reflect.SliceHeader{Data: ptr, Len: 32768, Cap: 32768}
-	return syscall.UTF16ToString(*(*[]uint16)(unsafe.Pointer(&res))), nil
+		res := reflect.SliceHeader{Data: ptr, Len: 32768, Cap: 32768}
+		str = syscall.UTF16ToString(*(*[]uint16)(unsafe.Pointer(&res)))
+		lst = append(lst, str)
+		return nil
+	}
+
+	if multi {
+		var items *_IShellItemArray
+		hr, _, _ = dialog.Call(dialog.vtbl.GetResults, uintptr(unsafe.Pointer(&items)))
+		if int32(hr) < 0 {
+			return "", nil, syscall.Errno(hr)
+		}
+		defer items.Call(items.vtbl.Release)
+
+		var count uint32
+		hr, _, _ = items.Call(items.vtbl.GetCount, uintptr(unsafe.Pointer(&count)))
+		if int32(hr) < 0 {
+			return "", nil, syscall.Errno(hr)
+		}
+		for i := uintptr(0); i < uintptr(count); i++ {
+			err = shellItemPath(&items._COMObject, items.vtbl.GetItemAt, i)
+			if err != nil {
+				return
+			}
+		}
+	} else {
+		err = shellItemPath(&dialog._COMObject, dialog.vtbl.GetResult)
+	}
+	return
 }
 
-func browseForFolder(title string) (string, error) {
+func browseForFolder(title string) (string, []string, error) {
 	var args _BROWSEINFO
 	args.Flags = 0x1 // BIF_RETURNONLYFSDIRS
 
@@ -221,14 +261,15 @@ func browseForFolder(title string) (string, error) {
 
 	ptr, _, _ := shBrowseForFolder.Call(uintptr(unsafe.Pointer(&args)))
 	if ptr == 0 {
-		return "", nil
+		return "", nil, nil
 	}
 	defer coTaskMemFree.Call(ptr)
 
 	res := [32768]uint16{}
 	shGetPathFromIDListEx.Call(ptr, uintptr(unsafe.Pointer(&res[0])), uintptr(len(res)), 0)
 
-	return syscall.UTF16ToString(res[:]), nil
+	str := syscall.UTF16ToString(res[:])
+	return str, []string{str}, nil
 }
 
 func initDirAndName(filename string, name []uint16) (dir *uint16) {
@@ -344,6 +385,11 @@ type _IShellItem struct {
 	vtbl *_IShellItemVtbl
 }
 
+type _IShellItemArray struct {
+	_COMObject
+	vtbl *_IShellItemArrayVtbl
+}
+
 type _IFileOpenDialogVtbl struct {
 	_IFileDialogVtbl
 	GetResults       uintptr
@@ -391,6 +437,17 @@ type _IShellItemVtbl struct {
 	Compare        uintptr
 }
 
+type _IShellItemArrayVtbl struct {
+	_IUnknownVtbl
+	BindToHandler              uintptr
+	GetPropertyStore           uintptr
+	GetPropertyDescriptionList uintptr
+	GetAttributes              uintptr
+	GetCount                   uintptr
+	GetItemAt                  uintptr
+	EnumItems                  uintptr
+}
+
 type _IUnknownVtbl struct {
 	QueryInterface uintptr
 	AddRef         uintptr

msg_darwin.go

@@ -24,22 +24,13 @@ func Warning(text string, options ...Option) (bool, error) {
 
 func message(typ int, text string, options []Option) (bool, error) {
 	opts := optsParse(options)
-
-	dialog := opts.icon != 0 || typ == 2
-	var op string
-	if dialog {
-		op = "displayDialog"
-	} else {
-		op = "displayAlert"
-	}
-
-	data := osa.Msg{
-		Operation: op,
-		Text:      text,
-		Title:     opts.title,
-	}
+	data := osa.Msg{Text: text}
+	dialog := typ == 2 || opts.icon != 0
 
 	if dialog {
+		data.Operation = "displayDialog"
+		data.Title = opts.title
+
 		switch opts.icon {
 		case ErrorIcon:
 			data.Icon = "stop"
@@ -49,6 +40,12 @@ func message(typ int, text string, options []Option) (bool, error) {
 			data.Icon = "caution"
 		}
 	} else {
+		data.Operation = "displayAlert"
+		if opts.title != "" {
+			data.Message = text
+			data.Text = opts.title
+		}
+
 		switch typ {
 		case 0:
 			data.As = "critical"
@@ -57,11 +54,6 @@ func message(typ int, text string, options []Option) (bool, error) {
 		case 3:
 			data.As = "warning"
 		}
-
-		if opts.title != "" {
-			data.Text = opts.title
-			data.Message = text
-		}
 	}
 
 	if typ != 2 {

zenity.go

@@ -18,6 +18,7 @@ type options struct {
 
 	// File selection options
 	filename  string
+	directory bool
 	overwrite bool
 	filters   []FileFilter
 
@@ -56,6 +57,10 @@ func Filename(filename string) Option {
 	}
 }
 
+func Directory(o *options) {
+	o.directory = true
+}
+
 func ConfirmOverwrite(o *options) {
 	o.overwrite = true
 }