From 46044a210f42bc974a1c298a88ff7e0b32e93a7c Mon Sep 17 00:00:00 2001
From: Filip Sykala <filip.sykala@prusa3d.cz>
Date: Thu, 10 Feb 2022 14:06:49 +0100
Subject: [PATCH] Fix SLA supports partialy

---
 src/slic3r/GUI/Gizmos/GLGizmoSlaSupports.cpp | 40 +++++++++++++++++---
 1 file changed, 35 insertions(+), 5 deletions(-)

diff --git a/src/slic3r/GUI/Gizmos/GLGizmoSlaSupports.cpp b/src/slic3r/GUI/Gizmos/GLGizmoSlaSupports.cpp
index e4b4bc1b2b..2dfd96c937 100644
--- a/src/slic3r/GUI/Gizmos/GLGizmoSlaSupports.cpp
+++ b/src/slic3r/GUI/Gizmos/GLGizmoSlaSupports.cpp
@@ -1123,20 +1123,50 @@ bool GLGizmoSlaSupports::on_mouse(const wxMouseEvent &mouse_event){
     Selection &selection = m_parent.get_selection();
     static bool pending_right_up = false;
     
-    if (mouse_event.RightDown() &&
-        selection.get_object_idx() != -1 &&
+     // when control is down we allow scene pan and rotation even when clicking
+    // over some object
+    bool control_down           = mouse_event.CmdDown();
+    bool grabber_contains_mouse = (get_hover_id() != -1);
+    int selected_object_idx = selection.get_object_idx();
+    if (mouse_event.LeftDown() && (!control_down || grabber_contains_mouse)) {
+        if (gizmo_event(SLAGizmoEventType::LeftDown, mouse_pos,
+                        mouse_event.ShiftDown(), mouse_event.AltDown(), false))
+            return true;
+    } else if (mouse_event.Dragging()) {
+        if (m_parent.get_move_volume_id() != -1) {
+            // don't allow dragging objects with the Sla gizmo on
+            return true;
+        } else if (!control_down &&
+                   gizmo_event(SLAGizmoEventType::Dragging, mouse_pos,
+                               mouse_event.ShiftDown(), mouse_event.AltDown(), false)) {
+            // the gizmo got the event and took some action, no need to do
+            // anything more here
+            m_parent.set_as_dirty();
+            return true;
+        } else if (control_down && (mouse_event.LeftIsDown() || mouse_event.RightIsDown())){
+            // CTRL has been pressed while already dragging -> stop current action
+            if (mouse_event.LeftIsDown())
+                gizmo_event(SLAGizmoEventType::LeftUp, mouse_pos, mouse_event.ShiftDown(), mouse_event.AltDown(), true);
+            else if (mouse_event.RightIsDown())
+                gizmo_event(SLAGizmoEventType::RightUp, mouse_pos, mouse_event.ShiftDown(), mouse_event.AltDown(), true);
+        }
+    } else if (mouse_event.LeftUp() && !m_parent.is_mouse_dragging()) {
+        // in case SLA/FDM gizmo is selected, we just pass the LeftUp event
+        // and stop processing - neither object moving or selecting is
+        // suppressed in that case
+        gizmo_event(SLAGizmoEventType::LeftUp, mouse_pos, mouse_event.ShiftDown(), mouse_event.AltDown(), control_down);
+        return true;
+    }else if (mouse_event.RightDown() && selection.get_object_idx() != -1 &&
         gizmo_event(SLAGizmoEventType::RightDown, mouse_pos, false, false, false)) {
         // we need to set the following right up as processed to avoid showing
         // the context menu if the user release the mouse over the object
         pending_right_up = true;
         // event was taken care of by the SlaSupports gizmo
         return true;
-    }
-    if (pending_right_up && mouse_event.RightUp()) {
+    } else if (pending_right_up && mouse_event.RightUp()) {
         pending_right_up = false;
         return true;
     }
-
     return false;
 }