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Fix incorrect calculation of tab bar margins

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Fixes #9154
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Kovid Goyal
2025-10-26 08:51:41 +05:30
parent 84d7c411bf
commit a54f30ab3d
2 changed files with 10 additions and 4 deletions
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3
docs/changelog.rst
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@@ -181,6 +181,9 @@ Detailed list of changes
- Add support for Unicode 17 - Add support for Unicode 17
- Fix a regression in 0.43.0 that caused :opt:`tab_bar_margin_width` to be
doubled on the right edge of the tab bar (:iss:`9154`)
0.43.1 [2025-10-01] 0.43.1 [2025-10-01]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

11
kitty/tab_bar.py
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@@ -697,14 +697,17 @@ class TabBar:
return return
self.cell_width = cell_width self.cell_width = cell_width
s = self.screen s = self.screen
viewport_width = max(4 * cell_width, tab_bar.width - 2 * self.margin_width) available_width = tab_bar.width - 2 * self.margin_width
ncells = viewport_width // cell_width ncells = max(4, available_width // cell_width)
s.resize(1, ncells) s.resize(1, ncells)
s.reset_mode(DECAWM) s.reset_mode(DECAWM)
cell_area_width = ncells * cell_width
available_width_for_left_margin = max(0, tab_bar.width - self.margin_width - cell_area_width)
extra_width = max(0, tab_bar.width - 2 * self.margin_width - cell_area_width)
left_margin = min(self.margin_width + extra_width // 2, available_width_for_left_margin)
self.laid_out_once = True self.laid_out_once = True
margin = (viewport_width - ncells * cell_width) // 2 + self.margin_width
self.window_geometry = g = WindowGeometry( self.window_geometry = g = WindowGeometry(
margin, tab_bar.top, viewport_width - margin, tab_bar.bottom, s.columns, s.lines) left_margin, tab_bar.top, left_margin + cell_area_width, tab_bar.bottom, s.columns, s.lines)
self.update_blank_rects(central, tab_bar, vw, vh) self.update_blank_rects(central, tab_bar, vw, vh)
set_tab_bar_render_data(self.os_window_id, self.screen, *g[:4]) set_tab_bar_render_data(self.os_window_id, self.screen, *g[:4])