mirror of
https://github.com/kovidgoyal/kitty
synced 2026-07-15 13:04:38 +02:00
@@ -123,19 +123,14 @@ from .utils import (
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MatchPatternType = Union[Pattern[str], tuple[Pattern[str], Optional[Pattern[str]]]]
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# Target ~60 fps for scroll animation ticks
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_SCROLL_ANIMATION_FRAME_INTERVAL: float = 1.0 / 60.0
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class ScrollAnimation:
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__slots__ = ('timer', 'start', 'duration', 'total', 'start_scrolled_by')
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def __init__(self) -> None:
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self.timer: int = 0
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self.start: float = 0.
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self.duration: float = 0.
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self.total: float = 0.
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self.start_scrolled_by: int = 0
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timer: int = 0
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start: float = 0.
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duration: float = 0.
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total: float = 0.
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start_scrolled_by: int = 0
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frame_interval: float = 1.0 / 60.0 # Target ~60 fps for scroll animation ticks
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if TYPE_CHECKING:
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@@ -775,7 +770,7 @@ class Window:
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self.screen.copy_colors_from(copy_colors_from.screen)
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self.remote_control_passwords = remote_control_passwords
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self.allow_remote_control = allow_remote_control
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self._scroll_animation = ScrollAnimation()
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self.scroll_animation = ScrollAnimation()
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def remote_control_allowed(self, pcmd: dict[str, Any], extra_data: dict[str, Any]) -> bool:
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if not self.allow_remote_control:
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@@ -2410,8 +2405,8 @@ class Window:
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return None
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return True
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def _scroll_animation_tick(self, timer_id: int | None) -> None:
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a = self._scroll_animation
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def scroll_animation_tick(self, timer_id: int | None) -> None:
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a = self.scroll_animation
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if not a.timer:
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return
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now = monotonic()
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@@ -2427,14 +2422,14 @@ class Window:
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def finish_scroll_animation(self) -> None:
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' Finish any in-progress scroll animation immediately '
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a = self._scroll_animation
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a = self.scroll_animation
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if a.timer:
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remove_timer(a.timer)
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a.timer = 0
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# Scroll to the exact integer target line, ensuring pixel_scroll_offset_y = 0
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self.screen.scroll_to_absolute(max(0, a.start_scrolled_by - a.total))
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def _start_scroll_animation(self, lines: float) -> None:
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def start_scroll_animation(self, lines: float) -> None:
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' Start a smooth scroll animation for the given number of lines (negative=up, positive=down) '
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self.finish_scroll_animation()
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if not self.screen.is_main_linebuf():
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@@ -2443,24 +2438,23 @@ class Window:
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if duration <= 0:
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self.screen.fractional_scroll(lines)
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return
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a = self._scroll_animation
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a = self.scroll_animation
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a.start = monotonic()
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a.duration = duration
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a.total = lines
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a.start_scrolled_by = self.screen.scrolled_by
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a.timer = add_timer(self._scroll_animation_tick, min(_SCROLL_ANIMATION_FRAME_INTERVAL, duration / 2), True)
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a.timer = add_timer(self.scroll_animation_tick, min(ScrollAnimation.frame_interval, duration / 2), True)
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@ac('sc', '''
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Scroll up by one line when in main screen. To scroll by different amounts, you can map the remote_control
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scroll-window action. Pass the ``smooth`` argument to have the scrolling be animated over the keyboard
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repeat interval. For example::
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scroll-window action. Pass the ``smooth`` argument to have the scrolling be animated. For example::
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map kitty_mod+up scroll_line_up smooth
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''')
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def scroll_line_up(self, smooth: bool = False) -> bool | None:
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if self.screen.is_main_linebuf():
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if smooth:
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self._start_scroll_animation(-1.0)
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self.start_scroll_animation(-1.0)
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else:
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self.finish_scroll_animation()
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self.screen.scroll(SCROLL_LINE, True)
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@@ -2469,15 +2463,14 @@ class Window:
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@ac('sc', '''
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Scroll down by one line when in main screen. To scroll by different amounts, you can map the remote_control
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scroll-window action. Pass the ``smooth`` argument to have the scrolling be animated over the keyboard
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repeat interval. For example::
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scroll-window action. Pass the ``smooth`` argument to have the scrolling be animated. For example::
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map kitty_mod+down scroll_line_down smooth
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''')
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def scroll_line_down(self, smooth: bool = False) -> bool | None:
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if self.screen.is_main_linebuf():
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if smooth:
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self._start_scroll_animation(1.0)
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self.start_scroll_animation(1.0)
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else:
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self.finish_scroll_animation()
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self.screen.scroll(SCROLL_LINE, False)
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