fix(wheel): apply modifiers [alt,shift,ctrl] on wheel event

trame_vtk/modules/paraview/protocols/publish_image_delivery.py

@@ -11,6 +11,13 @@
 from .web_protocol import ParaViewWebProtocol
 
 
+def apply_modifiers(event, interactor):
+    interactor.SetShiftKey(1 if event.get("shiftKey") else 0)
+    interactor.SetControlKey(1 if event.get("ctrlKey") else 0)
+    interactor.SetAltKey(1 if event.get("altKey") else 0)
+    # interactor.SetMetaKey(1 if event.get("metaKey") else 0)
+
+
 class ParaViewWebPublishImageDelivery(ParaViewWebProtocol):
     def __init__(self, decode=True, **kwargs):
         super().__init__()
@@ -600,6 +607,8 @@ def update_zoom_from_wheel(self, event):
             # Can't do anything.
             return
 
+        apply_modifiers(event, interactor)
+
         if "x" in event and "y" in event and interactor.GetRenderWindow():
             # Set the mouse position, so that if there are multiple
             # renderers, the interactor can figure out which one should

trame_vtk/modules/vtk/protocols/mouse_handler.py

@@ -7,6 +7,13 @@
 from .web_protocol import vtkWebProtocol
 
 
+def apply_modifiers(event, interactor):
+    interactor.SetShiftKey(1 if event.get("shiftKey") else 0)
+    interactor.SetControlKey(1 if event.get("ctrlKey") else 0)
+    interactor.SetAltKey(1 if event.get("altKey") else 0)
+    # interactor.SetMetaKey(1 if event.get("metaKey") else 0)
+
+
 class vtkWebMouseHandler(vtkWebProtocol):
     """Handle Mouse interaction on any type of view"""
 
@@ -77,6 +84,7 @@ def update_zoomFromWheel(self, event):
             return
 
         interactor = render_window.GetInteractor()
+        apply_modifiers(event, interactor)
 
         if "x" in event and "y" in event:
             # Set the mouse position, so that if there are multiple