def delete_text_movement(movement, graphics_state, local_state, global_state):
"""
Delete a text in a given range. I.e 'dw' or 'd}'
Performs this operation by:
1. Getting current location
2. Mutating page state with movement argument
3. Getting location after page manipulation
4. Mutating local line buffer to remove desired range
TODO: This is not optimal,
Calling COMMAND_MAP[movement](graphics_state, local_state, global_state)
messes with graphics state unnecessarily
"""
px, py, pt = local_state.get_page_state()
COMMAND_MAP[movement](graphics_state, local_state, global_state)
nx, ny, nt = local_state.get_page_state()
text_logic.delete_text_range(px, py, pt, nx, ny, nt, local_state)
render_page([], [], graphics_state, local_state, global_state)
def delete_text_highlight(graphics_state, local_state, global_state):
"""
Delete text under highlight.
Cursor corresponds to a highlight over a single character
i.e Calling delete_text_highlight without visual mode on corresponds to
deleting a single character or x in vim
TODO: In the visual mode case this adds the deleted text to the copy buffer
This should be mirrored in the non visual mode case
"""
if global_state.curr_state == 'Visual':
px, py, pt = local_state.get_visual_anchors()
nx, ny, nt = local_state.get_page_state()
txt = text_logic.get_text_range(px, py, pt, nx, ny, nt, local_state)
global_state.add_copy_buffer(txt)
text_logic.delete_text_range(px, py, pt, nx, ny, nt, local_state)
global_state.curr_state = 'Default'
else:
text_logic.delete_text_highlight(local_state)
render_page([], [], graphics_state, local_state, global_state)