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Add a new standalone action scroll_prompt_to_top

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Refactor clear_terminal to move the functions to Window.
Fix the action not scrolling to the bottom when the screen is scrolled.
This commit is contained in:
pagedown 2022-03-29 16:42:29 +08:00
parent 73cdd87d91
commit 4ed2854791
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GPG Key ID: E921CF18AC8FF6EB
2 changed files with 32 additions and 14 deletions
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28
kitty/boss.py
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@ -815,19 +815,21 @@ class Boss:
windows.append(w)
else:
windows = list(self.all_windows)
reset = action == 'reset'
how = 3 if action == 'scrollback' else 2
for w in windows:
if action in ('to_cursor', 'scroll'):
w.screen.scroll_until_cursor_prompt()
if action == 'to_cursor':
w.screen.clear_scrollback()
continue
w.screen.cursor.x = w.screen.cursor.y = 0
if reset:
w.screen.reset()
else:
w.screen.erase_in_display(how, False)
if action == 'reset':
for w in windows:
w.clear_screen(reset=True, scrollback=True)
elif action == 'scrollback':
for w in windows:
w.clear_screen(scrollback=True)
elif action == 'clear':
for w in windows:
w.clear_screen()
elif action == 'scroll':
for w in windows:
w.scroll_prompt_to_top()
elif action == 'to_cursor':
for w in windows:
w.scroll_prompt_to_top(clear_scrollback=True)
def increase_font_size(self) -> None: # legacy
cfs = global_font_size()

18
kitty/window.py
View File

@ -1308,6 +1308,13 @@ class Window:
text = text.replace(b'\r\n', b'\n').replace(b'\n', b'\r')
self.screen.paste(text)
def clear_screen(self, reset: bool = False, scrollback: bool = False) -> None:
self.screen.cursor.x = self.screen.cursor.y = 0
if reset:
self.screen.reset()
else:
self.screen.erase_in_display(3 if scrollback else 2, False)
# actions {{{
@ac('cp', 'Show scrollback in a pager like less')
@ -1445,7 +1452,16 @@ class Window:
if self.screen.is_main_linebuf():
self.screen.scroll_to_prompt(num_of_prompts)
@ac('sc', 'Scroll prompt to the bottom of the screen, filling in extra lines form the scrollback buffer')
@ac('sc', 'Scroll prompt to the top of the screen, filling screen with empty lines')
def scroll_prompt_to_top(self, clear_scrollback: bool = False) -> None:
if self.screen.is_main_linebuf():
self.screen.scroll_until_cursor_prompt()
if clear_scrollback:
self.screen.clear_scrollback()
elif self.screen.scrolled_by > 0:
self.screen.scroll(SCROLL_FULL, False)
@ac('sc', 'Scroll prompt to the bottom of the screen, filling in extra lines from the scrollback buffer')
def scroll_prompt_to_bottom(self) -> None:
self.screen.scroll_prompt_to_bottom()