UserInterface.workspaceActivated Event

# Import fusion360utils folder, which includes event_utils.py.
from ...lib import fusion360utils as futil

# Global variable used to maintain a reference to all event handlers.
local_handlers = []

# "userInterface_var" is a variable referencing a UserInterface object.
# "userInterface_workspaceActivated" is the event handler function.
futil.add_handler(userInterface_var.workspaceActivated, userInterface_workspaceActivated, local_handlers=local_handlers)

# Event handler for the workspaceActivated event.
def userInterface_workspaceActivated(args: adsk.core.WorkspaceEventArgs):
    # Code to react to the event.
    app.log('In userInterface_workspaceActivated event handler.')

# Global variable used to maintain a reference to all event handlers.
handlers = []

# "userInterface_var" is a variable referencing a UserInterface object.
# "MyWorkspaceActivatedHandler" is the name of the class that handles the event.
onWorkspaceActivated = MyWorkspaceActivatedHandler()
userInterface_var.workspaceActivated.add(onWorkspaceActivated)
handlers.append(onWorkspaceActivated)

# Event handler for the workspaceActivated event.
class MyWorkspaceActivatedHandler(adsk.core.WorkspaceEventHandler):
    def __init__(self):
        super().__init__()
    def notify(self, args: adsk.core.WorkspaceEventArgs):
        # Code to react to the event.
        app.log('In MyWorkspaceActivatedHandler event handler.')

#include <Core/UserInterface/UserInterface.h>
#include <Core/UserInterface/WorkspaceEvent.h>
#include <Core/UserInterface/WorkspaceEventHandler.h>
#include <Core/UserInterface/WorkspaceEventArgs.h>

// Event handler for the workspaceActivated event.
class MyWorkspaceActivatedEventHandler : public adsk::core::WorkspaceEventHandler
{
public:
    void notify(const Ptr<WorkspaceEventArgs>& eventArgs) override
    {
        // Code to react to the event.
        ui->messageBox("In MyWorkspaceActivatedEventHandler event handler.");
    }
} _workspaceActivated;

// "userInterface_var" is a variable referencing a UserInterface object.
// Connect the handler function to the event.
Ptr<WorkspaceEvent> workspaceActivatedEvent = userInterface_var->workspaceActivated();
if (!workspaceActivatedEvent)
    return;

bool isOk = workspaceActivatedEvent->add(&_workspaceActivated);
if (!isOk)
    return;