From 105d9f0d3a6ee29593a366fcec66c32a93bc9baa Mon Sep 17 00:00:00 2001
From: Travis McLane <tmclane@gmail.com>
Date: Sun, 7 Apr 2024 16:37:46 -0500
Subject: [PATCH] allow directory selection

---
 v3/pkg/application/linux_cgo.go    | 10 ++++++++--
 v3/pkg/application/linux_purego.go |  9 +++++++++
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/v3/pkg/application/linux_cgo.go b/v3/pkg/application/linux_cgo.go
index 2add24e1f..5d0931be6 100644
--- a/v3/pkg/application/linux_cgo.go
+++ b/v3/pkg/application/linux_cgo.go
@@ -1579,7 +1579,13 @@ func runChooserDialog(window pointer, allowMultiple, createFolders, showHidden b
 }
 
 func runOpenFileDialog(dialog *OpenFileDialogStruct) (chan string, error) {
-	const GtkFileChooserActionOpen = C.GTK_FILE_CHOOSER_ACTION_OPEN
+	var action int
+
+	if dialog.canChooseDirectories {
+		action = C.GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER
+	} else {
+		action = C.GTK_FILE_CHOOSER_ACTION_OPEN
+	}
 
 	window := nilPointer
 	if dialog.window != nil {
@@ -1598,7 +1604,7 @@ func runOpenFileDialog(dialog *OpenFileDialogStruct) (chan string, error) {
 		dialog.showHiddenFiles,
 		dialog.directory,
 		dialog.title,
-		GtkFileChooserActionOpen,
+		action,
 		buttonText,
 		dialog.filters)
 }
diff --git a/v3/pkg/application/linux_purego.go b/v3/pkg/application/linux_purego.go
index 5c58ae578..1b94ba6e5 100644
--- a/v3/pkg/application/linux_purego.go
+++ b/v3/pkg/application/linux_purego.go
@@ -1084,6 +1084,15 @@ func runChooserDialog(window pointer, allowMultiple, createFolders, showHidden b
 // dialog related
 func runOpenFileDialog(dialog *OpenFileDialogStruct) ([]string, error) {
 	const GtkFileChooserActionOpen = 0
+	const GtkFileChooserActionSelectFolder = 2
+
+	var action int
+
+	if dialog.canChooseDirectories {
+		action = GtkFileChooserActionSelectFolder
+	} else {
+		action = GtkFileChooserActionOpen
+	}
 
 	window := pointer(0)
 	if dialog.window != nil {