How many widget we can use in odoo v8?

Here are the latest widgets and its following classes usable in odoo js to include or extend also use syntax widget="any_widget_name" with odoo views,

    'char' : 'instance.web.form.FieldChar', 

    'id' : 'instance.web.form.FieldID',

    'email' : 'instance.web.form.FieldEmail',

    'url' : 'instance.web.form.FieldUrl',

    'text' : 'instance.web.form.FieldText',

    'html' : 'instance.web.form.FieldTextHtml',

    'char_domain': 'instance.web.form.FieldCharDomain',

    'date' : 'instance.web.form.FieldDate',

    'datetime' : 'instance.web.form.FieldDatetime', 

    'selection' : 'instance.web.form.FieldSelection', 

    'radio' : 'instance.web.form.FieldRadio',

    'many2one' : 'instance.web.form.FieldMany2One',

    'many2onebutton' : 'instance.web.form.Many2OneButton',

    'many2many' : 'instance.web.form.FieldMany2Many',

    'many2many_tags' : 'instance.web.form.FieldMany2ManyTags',

    'many2many_kanban' : 'instance.web.form.FieldMany2ManyKanban',

    'one2many' : 'instance.web.form.FieldOne2Many',

    'one2many_list' : 'instance.web.form.FieldOne2Many',

    'reference' : 'instance.web.form.FieldReference',

    'boolean' : 'instance.web.form.FieldBoolean',

    'float' : 'instance.web.form.FieldFloat',

    'percentpie': 'instance.web.form.FieldPercentPie',

    'barchart': 'instance.web.form.FieldBarChart',

    'integer': 'instance.web.form.FieldFloat',

    'float_time': 'instance.web.form.FieldFloat',

    'progressbar': 'instance.web.form.FieldProgressBar',

    'image': 'instance.web.form.FieldBinaryImage',

    'binary': 'instance.web.form.FieldBinaryFile',

    'many2many_binary': 'instance.web.form.FieldMany2ManyBinaryMultiFiles',

    'statusbar': 'instance.web.form.FieldStatus',

    'monetary': 'instance.web.form.FieldMonetary',

    'many2many_checkboxes': 'instance.web.form.FieldMany2ManyCheckBoxes',

    'x2many_counter': 'instance.web.form.X2ManyCounter',

    'priority':'instance.web.form.Priority',

    'kanban_state_selection':'instance.web.form.KanbanSelection',

    'statinfo': 'instance.web.form.StatInfo',