From 66863de571628561da27b2e03ee5f310142f78d4 Mon Sep 17 00:00:00 2001
From: Nuno Cruces <ncruces@users.noreply.github.com>
Date: Thu, 15 Dec 2022 11:26:08 +0000
Subject: [PATCH] Fix panic.

---
 cmd/zenity/main.go |  9 ++++-----
 file_test.go       |  8 ++++----
 file_windows.go    | 13 +++++++------
 zenity_test.go     |  4 ++--
 4 files changed, 17 insertions(+), 17 deletions(-)

diff --git a/cmd/zenity/main.go b/cmd/zenity/main.go
index 994dd99..725cd41 100644
--- a/cmd/zenity/main.go
+++ b/cmd/zenity/main.go
@@ -724,14 +724,13 @@ func addColumn(s string) error {
 func addFileFilter(s string) error {
 	var filter zenity.FileFilter
 
-	if split := strings.SplitN(s, "|", 2); len(split) > 1 {
-		filter.Name = strings.TrimSpace(split[0])
-		s = split[1]
+	if head, tail, cut := strings.Cut(s, "|"); cut {
+		filter.Name = head
+		s = tail
 	}
 
-	filter.Patterns = strings.Split(strings.TrimSpace(s), " ")
+	filter.Patterns = strings.Split(strings.Trim(s, " "), " ")
 	fileFilters = append(fileFilters, filter)
-
 	return nil
 }
 
diff --git a/file_test.go b/file_test.go
index 8b70656..b1c7802 100644
--- a/file_test.go
+++ b/file_test.go
@@ -20,7 +20,7 @@ func ExampleSelectFile() {
 	zenity.SelectFile(
 		zenity.Filename(defaultPath),
 		zenity.FileFilters{
-			{"Go files", []string{"*.go"}, true},
+			{"Go files", []string{"*.go"}, false},
 			{"Web files", []string{"*.html", "*.js", "*.css"}, true},
 			{"Image files", []string{"*.png", "*.gif", "*.ico", "*.jpg", "*.webp"}, true},
 		})
@@ -30,7 +30,7 @@ func ExampleSelectFileMultiple() {
 	zenity.SelectFileMultiple(
 		zenity.Filename(defaultPath),
 		zenity.FileFilters{
-			{"Go files", []string{"*.go"}, true},
+			{"Go files", []string{"*.go"}, false},
 			{"Web files", []string{"*.html", "*.js", "*.css"}, true},
 			{"Image files", []string{"*.png", "*.gif", "*.ico", "*.jpg", "*.webp"}, true},
 		})
@@ -41,7 +41,7 @@ func ExampleSelectFileSave() {
 		zenity.ConfirmOverwrite(),
 		zenity.Filename(defaultName),
 		zenity.FileFilters{
-			{"Go files", []string{"*.go"}, true},
+			{"Go files", []string{"*.go"}, false},
 			{"Web files", []string{"*.html", "*.js", "*.css"}, true},
 			{"Image files", []string{"*.png", "*.gif", "*.ico", "*.jpg", "*.webp"}, true},
 		})
@@ -232,7 +232,7 @@ func TestSelectFileSave_script(t *testing.T) {
 		str, err := zenity.SelectFileSave(
 			zenity.ConfirmOverwrite(),
 			zenity.Filename("Χρτο.go"),
-			zenity.FileFilter{"Go files", []string{"*.go"}, true},
+			zenity.FileFilter{"Go files", []string{"*.go"}, false},
 		)
 		if skip, err := skip(err); skip {
 			t.Skip("skipping:", err)
diff --git a/file_windows.go b/file_windows.go
index 4fce08d..b9c33c4 100644
--- a/file_windows.go
+++ b/file_windows.go
@@ -28,7 +28,7 @@ func selectFile(opts options) (string, error) {
 		args.Flags |= win.OFN_FORCESHOWHIDDEN
 	}
 	if opts.fileFilters != nil {
-		args.Filter = &initFilters(opts.fileFilters)[0]
+		args.Filter = initFilters(opts.fileFilters)
 	}
 
 	var res [32768]uint16
@@ -71,7 +71,7 @@ func selectFileMultiple(opts options) ([]string, error) {
 		args.Flags |= win.OFN_FORCESHOWHIDDEN
 	}
 	if opts.fileFilters != nil {
-		args.Filter = &initFilters(opts.fileFilters)[0]
+		args.Filter = initFilters(opts.fileFilters)
 	}
 
 	var res [32768 + 1024*256]uint16
@@ -145,7 +145,7 @@ func selectFileSave(opts options) (string, error) {
 		args.Flags |= win.OFN_FORCESHOWHIDDEN
 	}
 	if opts.fileFilters != nil {
-		args.Filter = &initFilters(opts.fileFilters)[0]
+		args.Filter = initFilters(opts.fileFilters)
 	}
 
 	var res [32768]uint16
@@ -335,12 +335,12 @@ func initDirNameExt(filename string, name []uint16) (dir *uint16, ext *uint16) {
 	return
 }
 
-func initFilters(filters FileFilters) []uint16 {
+func initFilters(filters FileFilters) *uint16 {
 	filters.simplify()
 	filters.name()
 	var res []uint16
 	for _, f := range filters {
-		if f.Name == "" || len(f.Patterns) == 0 {
+		if len(f.Patterns) == 0 {
 			continue
 		}
 		res = append(res, utf16.Encode([]rune(f.Name))...)
@@ -353,6 +353,7 @@ func initFilters(filters FileFilters) []uint16 {
 	}
 	if res != nil {
 		res = append(res, 0)
+		return &res[0]
 	}
-	return res
+	return nil
 }
diff --git a/zenity_test.go b/zenity_test.go
index de905d1..5c3b20b 100644
--- a/zenity_test.go
+++ b/zenity_test.go
@@ -56,8 +56,8 @@ func Test_applyOptions(t *testing.T) {
 		{name: "ConfirmCreate", args: ConfirmCreate(), want: options{confirmCreate: true}},
 		{name: "ShowHidden", args: ShowHidden(), want: options{showHidden: true}},
 		{name: "Filename", args: Filename("file.go"), want: options{filename: "file.go"}},
-		{name: "FileFilter", args: FileFilter{"Go files", []string{"*.go"}, true}, want: options{
-			fileFilters: FileFilters{{"Go files", []string{"*.go"}, true}},
+		{name: "FileFilter", args: FileFilter{"All files", []string{"*.*"}, true}, want: options{
+			fileFilters: FileFilters{{"All files", []string{"*.*"}, true}},
 		}},
 		{name: "FileFilters", args: FileFilters{{"Go files", []string{"*.go"}, true}}, want: options{
 			fileFilters: FileFilters{{"Go files", []string{"*.go"}, true}},