From 363d1489c3f27bcaa765326096a157fd244f024c Mon Sep 17 00:00:00 2001
From: PaddleStroke <pierrelouis.boyer@gmail.com>
Date: Thu, 25 Jul 2024 01:44:36 +0200
Subject: [PATCH] Assembly: define joint double click on 3dview (#15572)

* Assembly: define joint double click on 3dview

* Update string
---
 src/Mod/Assembly/Gui/ViewProviderAssembly.cpp | 46 +++++++++++++++++++
 src/Mod/Assembly/Gui/ViewProviderAssembly.h   |  6 +++
 2 files changed, 52 insertions(+)

diff --git a/src/Mod/Assembly/Gui/ViewProviderAssembly.cpp b/src/Mod/Assembly/Gui/ViewProviderAssembly.cpp
index 88079688a6..37cf6f69ee 100644
--- a/src/Mod/Assembly/Gui/ViewProviderAssembly.cpp
+++ b/src/Mod/Assembly/Gui/ViewProviderAssembly.cpp
@@ -38,6 +38,8 @@
 #include <Inventor/sensors/SoSensor.h>
 #endif
 
+#include <chrono>
+
 #include <App/Link.h>
 #include <App/Document.h>
 #include <App/DocumentObject.h>
@@ -96,6 +98,7 @@ ViewProviderAssembly::ViewProviderAssembly()
     , moveInCommand(true)
     , jointVisibilityBackup(false)
     , ctrlPressed(false)
+    , lastClickTime(0)
     , docsToMove({})
 {}
 
@@ -466,6 +469,19 @@ bool ViewProviderAssembly::mouseButtonPressed(int Button,
     // Left Mouse button ****************************************************
     if (Button == 1) {
         if (pressed && !getDraggerVisibility()) {
+            // Check for double-click
+            auto now = std::chrono::steady_clock::now();
+            long nowMillis =
+                std::chrono::duration_cast<std::chrono::milliseconds>(now.time_since_epoch())
+                    .count();
+            if (nowMillis - lastClickTime < 500) {
+                // Double-click detected
+                doubleClickedIn3dView();
+                return true;
+            }
+            // First click detected
+            lastClickTime = nowMillis;
+
             canStartDragging = true;
         }
         else {  // Button 1 released
@@ -483,6 +499,36 @@ bool ViewProviderAssembly::mouseButtonPressed(int Button,
     return false;
 }
 
+void ViewProviderAssembly::doubleClickedIn3dView()
+{
+    // Double clicking on a joint should start editing it.
+    auto sel = Gui::Selection().getSelectionEx("", App::DocumentObject::getClassTypeId());
+    if (sel.size() != 1) {
+        return;  // Handle double click only if only one obj selected.
+    }
+
+    App::DocumentObject* obj = sel[0].getObject();
+    if (!obj) {
+        return;
+    }
+
+    auto* prop = dynamic_cast<App::PropertyBool*>(obj->getPropertyByName("EnableLengthMin"));
+    if (!prop) {
+        return;
+    }
+
+    std::string obj_name = obj->getNameInDocument();
+    std::string doc_name = obj->getDocument()->getName();
+
+    std::string cmd = "import JointObject\n"
+                      "obj = App.getDocument('"
+        + doc_name + "').getObject('" + obj_name
+        + "')\n"
+          "Gui.Control.showDialog(JointObject.TaskAssemblyCreateJoint(0, obj))";
+
+    Gui::Command::runCommand(Gui::Command::App, cmd.c_str());
+}
+
 bool ViewProviderAssembly::canDragObjectIn3d(App::DocumentObject* obj) const
 {
     if (!obj) {
diff --git a/src/Mod/Assembly/Gui/ViewProviderAssembly.h b/src/Mod/Assembly/Gui/ViewProviderAssembly.h
index 15417f8a14..f72f73347f 100644
--- a/src/Mod/Assembly/Gui/ViewProviderAssembly.h
+++ b/src/Mod/Assembly/Gui/ViewProviderAssembly.h
@@ -103,6 +103,9 @@ public:
                             bool pressed,
                             const SbVec2s& cursorPos,
                             const Gui::View3DInventorViewer* viewer) override;
+    // Function to handle double click event
+    void doubleClickedIn3dView();
+
 
     /// Finds what drag mode should be used based on the user selection.
     DragMode findDragMode();
@@ -172,6 +175,9 @@ public:
     bool moveInCommand;
     bool jointVisibilityBackup;
     bool ctrlPressed;
+
+    long lastClickTime;  // Store last click time as milliseconds
+
     int numberOfSel;
     Base::Vector3d prevPosition;
     Base::Vector3d initialPosition;