From b330829f09931ff5c44b43a63e93a4f2f783bcde Mon Sep 17 00:00:00 2001
From: WerWolv <werwolv98@gmail.com>
Date: Sun, 31 Jan 2021 11:00:35 +0100
Subject: [PATCH] Allow detaching of links by dragging

---
 source/views/view_data_processor.cpp | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/source/views/view_data_processor.cpp b/source/views/view_data_processor.cpp
index 880be9425..346f81413 100644
--- a/source/views/view_data_processor.cpp
+++ b/source/views/view_data_processor.cpp
@@ -8,8 +8,16 @@ namespace hex {
 
     ViewDataProcessor::ViewDataProcessor() : View("Data Processor") {
         imnodes::Initialize();
+        imnodes::PushAttributeFlag(imnodes::AttributeFlags_EnableLinkDetachWithDragClick);
+        imnodes::PushAttributeFlag(imnodes::AttributeFlags_EnableLinkCreationOnSnap);
 
-        View::subscribeEvent(Events::SettingsChanged, [this](auto) {
+        {
+            static bool always = true;
+            imnodes::IO& io = imnodes::GetIO();
+            io.link_detach_with_modifier_click.modifier = &always;
+        }
+
+        View::subscribeEvent(Events::SettingsChanged, [](auto) {
             int theme = ContentRegistry::Settings::getSettingsData()["Interface"]["Color theme"];
 
             switch (theme) {
@@ -33,6 +41,8 @@ namespace hex {
         for (auto &node : this->m_nodes)
             delete node;
 
+        imnodes::PopAttributeFlag();
+        imnodes::PopAttributeFlag();
         imnodes::Shutdown();
     }
 
@@ -217,6 +227,13 @@ namespace hex {
 
             imnodes::EndNodeEditor();
 
+            {
+                int linkId;
+                if (imnodes::IsLinkDestroyed(&linkId)) {
+                    this->eraseLink(linkId);
+                }
+            }
+
             {
                 int from, to;
                 if (imnodes::IsLinkCreated(&from, &to)) {