From 5c90938aa3aa6dcb6f941e8f07937ae1d8951c17 Mon Sep 17 00:00:00 2001
From: Matthias Melcher <github@matthiasm.com>
Date: Sun, 14 Jan 2024 01:42:05 +0100
Subject: #887: Fixes FLTK file chooser not releasing preview image.

...when hidden
---
 src/Fl_File_Chooser2.cxx | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src/Fl_File_Chooser2.cxx')

diff --git a/src/Fl_File_Chooser2.cxx b/src/Fl_File_Chooser2.cxx
index 94aed5f79..56cce9950 100644
--- a/src/Fl_File_Chooser2.cxx
+++ b/src/Fl_File_Chooser2.cxx
@@ -1551,6 +1551,14 @@ void Fl_File_Chooser::show()
   if (!Fl::system_driver()->dot_file_hidden()) showHiddenButton->hide();
 }
 
+void Fl_File_Chooser::hide() {
+  Fl::remove_timeout((Fl_Timeout_Handler)previewCB, this);
+  Fl_Shared_Image *oldimage = (Fl_Shared_Image*)previewBox->image();
+  if (oldimage) oldimage->release();
+  previewBox->image(NULL);
+  window->hide();
+}
+
 void Fl_File_Chooser::showHidden(int value)
 {
   if (value) {
-- 
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