def user_key_ex(self, key):
"""
Handle keys in ex mode
TODO: expand this section to handle multi command
arguments
i.e finds should work in visual mode
Dependent upon a proper command parser however
This mode is kind of limited for now since we don't
have a proper command parser yet
"""
if key == 'Return':
cmd = command_parser.ex_parse(self.command_buffer)
interaction_manager.input_command(
cmd, self._graphics,
self.get_curr_instance(), self
)
self.curr_state = 'Default'
self.command_buffer = ''
else:
self.command_buffer = (
self.command_buffer + key,
self.command_buffer[:-1]
)[key == 'BackSpace']
interaction_manager.render_page(
[], [], self._graphics,
self.get_curr_instance(), self
)
def user_key_default(self, key):
"""
Handle keys in default mode
"""
mode_dict = {
'i': self.init_insert_mode,
'v': self.init_visual_mode,
':': self.init_ex_mode,
}
if key in DEFAULT_COMMAND_LEADERS \
or self.is_digit(key) \
or len(self.command_buffer):
self.command_buffer += key
s_par = command_parser.default_parse(self.command_buffer)
if s_par != '' or key in DEFAULT_BREAK_MOVEMENTS:
cmd = s_par if s_par != '' else DEFAULT_BREAK_MOVEMENTS[key]
interaction_manager.input_command(
cmd, self._graphics, self.get_curr_instance(), self)
self.command_buffer = ''
elif key in DEFAULT_MOVEMENTS: # default movement requested
interaction_manager.input_command(
DEFAULT_MOVEMENTS[key], self._graphics,
self.get_curr_instance(), self
)
self.command_buffer = ''
elif key in mode_dict: # mode change requested
mode_dict[key]()
def mouse_scroll(self, event):
"""
Scroll mouse depending on direction moved by
calling cursor up or cursor down repeatedly.
TODO: This is clearly not optimal. The calling
move_cursor_up or down re-renders the page repeatedly and
is inefficient
"""
delta = event.delta * -1
self.curr_state = 'Default'
self.command_buffer = ''
cmd = ['n' + str(delta), 'mouse_scroll']
interaction_manager.input_command(
cmd, self._graphics, self.get_curr_instance(), None)
def user_key_visual(self, key):
"""
Handle keys in visual mode
TODO: expand this section to handle multi command
arguments
i.e finds should work in visual mode
Dependent upon a proper command parser however
"""
if key in VISUAL_MOVEMENTS:
motion = VISUAL_MOVEMENTS[key]
cmd = ['s' + motion[0], 'visual_movement']
interaction_manager.input_command(
cmd, self._graphics,
self.get_curr_instance(), self
)
self.command_buffer = ''
def user_key_insert(self, key):
"""
Handle keys in insert mode
This should be the only state that should contain
at least these mappings no matter the configuration
"""
if key not in ['BackSpace', 'Return']:
cmd = ['s' + key, 'insert_text']
interaction_manager.input_command(
cmd, self._graphics,
self.get_curr_instance(), self
)
elif key == 'BackSpace':
interaction_manager.input_command(
['delete_char'], self._graphics,
self.get_curr_instance(), self
)
# similar to above
elif key == 'Return':
interaction_manager.input_command(
['add_new_line'], self._graphics,
self.get_curr_instance(), self
)