Toolbar.addOnPopupContextMenu

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.

class Toolbar
void
addOnPopupContextMenu
(
bool delegate
(
int
,
int
,
int
,)
dlg
,)

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