mirrors/kitty
1
0
Fork 0
mirror of https://github.com/kovidgoyal/kitty synced 2026-07-14 20:44:32 +02:00
Code Issues Packages Projects Releases Wiki Activity

Implement cursor movement APIs

Browse Source
This commit is contained in:
Kovid Goyal
2016-10-19 20:15:07 +05:30
parent fea7c2dcb0
commit b354e95401
2 changed files with 49 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

41
kitty/screen.py
View File

@@ -66,6 +66,11 @@ class Screen(QObject):
def notify_cursor_position(self, x, y):
if self._notify_cursor_position:
if x >= self.columns:
if y < self.lines - 1:
x, y = 0, y + 1
else:
x, y = x - 1, y
self.cursor_position_changed(self.cursor, x, y)
@property
@@ -707,59 +712,63 @@ class Screen(QObject):
self.cursor.x = max(0, min(self.cursor.x, self.columns - 1))
self.cursor.y = max(top, min(self.cursor.y, bottom))
def cursor_up(self, count=None):
def cursor_up(self, count=1, do_carriage_return=False, move_direction=-1):
"""Moves cursor up the indicated # of lines in same column.
Cursor stops at top margin.
:param int count: number of lines to skip.
"""
self.cursor.y -= count or 1
x, y = self.cursor.x, self.cursor.y
self.cursor.y += move_direction * (count or 1)
self.ensure_bounds(use_margins=True)
if do_carriage_return:
self.cursor.x = 0
if y != self.cursor.y or x != self.cursor.x:
self.notify_cursor_position(x, y)
def cursor_up1(self, count=None):
def cursor_up1(self, count=1):
"""Moves cursor up the indicated # of lines to column 1. Cursor
stops at bottom margin.
:param int count: number of lines to skip.
"""
self.cursor_up(count)
self.carriage_return()
self.cursor_up(count, do_carriage_return=True)
def cursor_down(self, count=None):
def cursor_down(self, count=1):
"""Moves cursor down the indicated # of lines in same column.
Cursor stops at bottom margin.
:param int count: number of lines to skip.
"""
self.cursor.y += count or 1
self.ensure_bounds(use_margins=True)
self.cursor_up(count, move_direction=1)
def cursor_down1(self, count=None):
def cursor_down1(self, count=1):
"""Moves cursor down the indicated # of lines to column 1.
Cursor stops at bottom margin.
:param int count: number of lines to skip.
"""
self.cursor_down(count)
self.carriage_return()
self.cursor_up(count, do_carriage_return=True, move_direction=1)
def cursor_back(self, count=None):
def cursor_back(self, count=1, move_direction=-1):
"""Moves cursor left the indicated # of columns. Cursor stops
at left margin.
:param int count: number of columns to skip.
"""
self.cursor.x -= count or 1
x = self.cursor.x
self.cursor.x += move_direction * (count or 1)
self.ensure_bounds()
if x != self.cursor.x:
self.notify_cursor_position(x, self.cursor.y)
def cursor_forward(self, count=None):
def cursor_forward(self, count=1):
"""Moves cursor right the indicated # of columns. Cursor stops
at right margin.
:param int count: number of columns to skip.
"""
self.cursor.x += count or 1
self.ensure_bounds()
self.cursor_back(count, move_direction=1)
def cursor_position(self, line=None, column=None):
"""Set the cursor to a specific `line` and `column`.