signal callback delegate or function to connect
bool callback(int x, int y, int button, gtk.toolbar.Toolbar toolbar)
x the x coordinate of the point where the menu should appear (optional)
y the y coordinate of the point where the menu should appear (optional)
button the mouse button the user pressed, or -1 (optional)
toolbar the instance the signal is connected to (optional)
Returns return true if the signal was handled, false if not
Yes.After to execute callback after default handler, No.After to execute before (default)
Signal ID
Connect to PopupContextMenu signal.
Emitted when the user right-clicks the toolbar or uses the keybinding to display a popup menu.
Application developers should handle this signal if they want to display a context menu on the toolbar. The context-menu should appear at the coordinates given by x and y. The mouse button number is given by the button parameter. If the menu was popped up using the keybaord, button is -1.