From a5adbd99ca073ecb9d6153b089543b23a673c9b5 Mon Sep 17 00:00:00 2001
From: Matthias Melcher <github@matthiasm.com>
Date: Sat, 10 Dec 2022 23:22:24 +0100
Subject: Add option to bind images to a widget (#589)

Adding image binding to FLUID as well
---
 src/Fl_Widget.cxx | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

(limited to 'src')

diff --git a/src/Fl_Widget.cxx b/src/Fl_Widget.cxx
index 2289dcf0b..1d1b71dc4 100644
--- a/src/Fl_Widget.cxx
+++ b/src/Fl_Widget.cxx
@@ -165,6 +165,8 @@ Fl_Widget::~Fl_Widget() {
   Fl::clear_widget_pointer(this);
   if (flags() & COPIED_LABEL) free((void *)(label_.value));
   if (flags() & COPIED_TOOLTIP) free((void *)(tooltip_));
+  image(NULL);
+  deimage(NULL);
   // remove from parent group
   if (parent_) parent_->remove(this);
 #ifdef DEBUG_DELETE
@@ -323,6 +325,44 @@ void Fl_Widget::copy_label(const char *a) {
   }
 }
 
+void Fl_Widget::image(Fl_Image* img) {
+  if (image_bound()) {
+    if (label_.image && (label_.image != img)) {
+      label_.image->release();
+    }
+    bind_image(0);
+  }
+  label_.image = img;
+}
+
+void Fl_Widget::image(Fl_Image& img) {
+  image(&img);
+}
+
+void Fl_Widget::bind_image(Fl_Image* img) {
+  image(img);
+  bind_image( (img != NULL) );
+}
+
+void Fl_Widget::deimage(Fl_Image* img) {
+  if (deimage_bound()) {
+    if (label_.deimage && (label_.deimage != img))  {
+      label_.deimage->release();
+    }
+    bind_deimage(0);
+  }
+  label_.deimage = img;
+}
+
+void Fl_Widget::deimage(Fl_Image& img) {
+  deimage(&img);
+}
+
+void Fl_Widget::bind_deimage(Fl_Image* img) {
+  deimage(img);
+  bind_deimage( (img != NULL) );
+}
+
 /** Calls the widget callback function with arbitrary arguments.
 
   All overloads of do_callback() call this method.
-- 
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