[QGIS-Developer] Temporarily disable map canvas right click showing Copy Coordinates

[Catania, Luke A ERDC-RDE-GRL-VA CIV]

I thought I tried this before and it still showed the menu with its menu grayed out, but maybe I set it on the submenu item, but I solved my issue by calling 

menu.setDisabled(True) on the QMenu.  I reset it to False after my editing is done so the context menu is available again.  

If anyone thinks of a better way feel free to answer, but this will work for now.  I was hoping the setContextMenuPolicy methd would work.

-----Original Message-----
From: QGIS-Developer <qgis-developer-bounces at lists.osgeo.org> On Behalf Of Catania, Luke A ERDC-RDE-GRL-VA CIV via QGIS-Developer
Sent: Thursday, April 13, 2023 1:29 AM
To: Nyall Dawson <nyall.dawson at gmail.com>
Cc: qgis-developer at lists.osgeo.org
Subject: Re: [QGIS-Developer] Temporarily disable map canvas right click showing Copy Coordinates

I am not using QgsMapTool.

T o capute mouse events, I declared my class as 

class AoiSizeValidator(QWidget):

And added 

def eventFilter(self, source, event):

with code that captures mouse click events.

I tried using 

        iface.mapCanvas().setContextMenuPolicy(Qt.NoContextMenu)

and

        iface.mapCanvas().setContextMenuPolicy(Qt.PreventContextMenu)

But it did not work. I found that suggestion on a site where someone was looking to disable the context menu for QWebEngineView, so thought it would work for the map canvas.

I did find half a solution by setting

        iface.mapCanvas().contextMenuAboutToShow.connect(self.disable_context_menu)

    def disable_map_canvas_context_menu(self, menu: QMenu, event: QgsMapMouseEvent):
        	menu.clear()

which basically completely clears the context menu from all its widgets, but I would like he menu back after my right click event happens to end the edit session.

-----Original Message-----
From: Nyall Dawson <nyall.dawson at gmail.com> 
Sent: Wednesday, April 12, 2023 9:09 PM
To: Catania, Luke A ERDC-RDE-GRL-VA CIV <Luke.A.Catania at erdc.dren.mil>
Cc: qgis-developer at lists.osgeo.org
Subject: Re: [QGIS-Developer] Temporarily disable map canvas right click showing Copy Coordinates

On Thu, 13 Apr 2023 at 10:47, Catania, Luke A ERDC-RDE-GRL-VA CIV via QGIS-Developer <qgis-developer at lists.osgeo.org> wrote:
>
> I have an event filter on the map canvas that performs a commit during feature editing when right clicking on the canvas.  While this performs the commit, it then pops up Copy Coordinates.  I don’t want the user to see this.  I want my mouse click event to be recognized and not have QGIS use it to popup the Copy Coordinates.  Is there a way to call QgsMapTool.deactivate on that built in tool just for this instance and then reactivate it?

Are you using a custom QgsMapTool subclass? If so, implement the "flags" method and don't return the ShowContextMenu flag.

Nyall


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