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A new "slant" style for the tab bar

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Kovid Goyal
2021-08-03 08:45:55 +05:30
parent b3231c8003
commit ab889e2945
5 changed files with 59 additions and 10 deletions
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46
kitty/tab_bar.py
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@@ -13,7 +13,7 @@ from .fast_data_types import (
from .layout.base import Rect
from .rgb import Color, alpha_blend, color_as_sgr, color_from_int, to_color
from .types import WindowGeometry, run_once
from .typing import PowerlineStyle
from .typing import PowerlineStyle, EdgeLiteral
from .utils import color_as_int, log_error
from .window import calculate_gl_geometry
@@ -44,6 +44,7 @@ class DrawData(NamedTuple):
active_title_template: Optional[str]
tab_activity_symbol: Optional[str]
powerline_style: PowerlineStyle
tab_bar_edge: EdgeLiteral
def as_rgb(x: int) -> int:
@@ -164,6 +165,44 @@ def draw_title(draw_data: DrawData, screen: Screen, tab: TabBarData, index: int)
screen.draw(title)
def draw_tab_with_slant(draw_data: DrawData, screen: Screen, tab: TabBarData, before: int, max_title_length: int, index: int, is_last: bool) -> int:
left_sep, right_sep = ('', '') if draw_data.tab_bar_edge == 'top' else ('', '')
tab_bg = as_rgb(color_as_int(draw_data.active_bg if tab.is_active else draw_data.inactive_bg))
slant_fg = as_rgb(color_as_int(draw_data.default_bg))
def draw_sep(which: str) -> None:
screen.cursor.bg = tab_bg
screen.cursor.fg = slant_fg
screen.draw(which)
screen.cursor.bg = tab_bg
screen.cursor.fg = 0
max_title_length += 1
if max_title_length <= 1:
screen.draw('…')
elif max_title_length == 2:
screen.draw('…|')
elif max_title_length < 6:
draw_sep(left_sep)
screen.draw((' ' if max_title_length == 5 else '') + '…' + (' ' if max_title_length >= 4 else ''))
draw_sep(right_sep)
else:
draw_sep(left_sep)
screen.draw(' ')
draw_title(draw_data, screen, tab, index)
extra = screen.cursor.x - before - max_title_length
if extra >= 0:
screen.cursor.x -= extra + 3
screen.draw('…')
elif extra == -1:
screen.cursor.x -= 2
screen.draw('…')
screen.draw(' ')
draw_sep(right_sep)
return screen.cursor.x
def draw_tab_with_separator(draw_data: DrawData, screen: Screen, tab: TabBarData, before: int, max_title_length: int, index: int, is_last: bool) -> int:
tab_bg = draw_data.active_bg if tab.is_active else draw_data.inactive_bg
screen.cursor.bg = as_rgb(color_as_int(tab_bg))
@@ -332,12 +371,15 @@ class TabBar:
opts.tab_bar_background or opts.background, opts.tab_title_template,
opts.active_tab_title_template,
opts.tab_activity_symbol,
opts.tab_powerline_style
opts.tab_powerline_style,
'top' if opts.tab_bar_edge == 1 else 'bottom'
)
if opts.tab_bar_style == 'separator':
self.draw_func = draw_tab_with_separator
elif opts.tab_bar_style == 'powerline':
self.draw_func = draw_tab_with_powerline
elif opts.tab_bar_style == 'slant':
self.draw_func = draw_tab_with_slant
else:
self.draw_func = draw_tab_with_fade