title top-level property
Toolbar item that toggles the HeadingModifier with level 1 for the focused line.
Implementation
ToolbarItem title = ToolbarItem(
builder: _createToggleableToolbarItemBuilder(
(controller) => controller.getModifierListener(heading1Modifier)),
title: const Icon(Icons.title),
onPressed: (_, controller) => controller.toggleLineModifier(heading1Modifier),
);