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Linux: Fix selection of fonts with multiple width variants not preferring the normal width faces

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Fixes #2491
This commit is contained in:
Kovid Goyal 2020-03-29 01:52:33 +05:30
parent 747ac85e7c
commit e3af9f68d3
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GPG Key ID: 06BC317B515ACE7C
4 changed files with 13 additions and 3 deletions
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3
docs/changelog.rst
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@ -31,6 +31,9 @@ To update |kitty|, :doc:`follow the instructions <binary>`.
- Fix a regression in 0.17 that broke the kitty @ launch remote command and
also broke the --tab-title option when creating a new tab. (:iss:`2488`)
- Linux: Fix selection of fonts with multiple width variants not preferring
the normal width faces (:iss:`2491`)
0.17.1 [2020-03-24]
--------------------

2
kitty/fast_data_types.pyi
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@ -323,6 +323,7 @@ FC_MONO: int = 100
FC_DUAL: int
FC_WEIGHT_REGULAR: int
FC_WEIGHT_BOLD: int
FC_WIDTH_NORMAL: int
FC_SLANT_ROMAN: int
FC_SLANT_ITALIC: int
BORDERS_PROGRAM: int
@ -402,6 +403,7 @@ class FontConfigPattern(TypedDict):
style: str
spacing: str
weight: int
width: int
slant: int
hint_style: int
subpixel: int

3
kitty/fontconfig.c
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@ -47,6 +47,7 @@ pattern_as_dict(FcPattern *pat) {
S(FC_FULLNAME, full_name);
S(FC_POSTSCRIPT_NAME, postscript_name);
I(FC_WEIGHT, weight);
I(FC_WIDTH, width)
I(FC_SLANT, slant);
I(FC_HINT_STYLE, hint_style);
I(FC_INDEX, index);
@ -247,5 +248,7 @@ init_fontconfig_library(PyObject *module) {
PyModule_AddIntMacro(module, FC_DUAL);
PyModule_AddIntMacro(module, FC_MONO);
PyModule_AddIntMacro(module, FC_CHARCELL);
PyModule_AddIntMacro(module, FC_WIDTH_NORMAL);
return true;
}

8
kitty/fonts/fontconfig.py
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@ -8,7 +8,7 @@ from typing import Dict, Generator, List, Optional, Tuple, cast
from kitty.fast_data_types import (
FC_DUAL, FC_MONO, FC_SLANT_ITALIC, FC_SLANT_ROMAN, FC_WEIGHT_BOLD,
FC_WEIGHT_REGULAR, fc_list, fc_match as fc_match_impl
FC_WEIGHT_REGULAR, FC_WIDTH_NORMAL, fc_list, fc_match as fc_match_impl
)
from kitty.options_stub import Options
from kitty.typing import FontConfigPattern
@ -73,11 +73,13 @@ def find_best_match(family: str, bold: bool = False, italic: bool = False, monos
q = family_name_to_key(family)
font_map = all_fonts_map(monospaced)
def score(candidate: FontConfigPattern) -> Tuple[int, int]:
def score(candidate: FontConfigPattern) -> Tuple[int, int, int]:
bold_score = abs((FC_WEIGHT_BOLD if bold else FC_WEIGHT_REGULAR) - candidate.get('weight', 0))
italic_score = abs((FC_SLANT_ITALIC if italic else FC_SLANT_ROMAN) - candidate.get('slant', 0))
monospace_match = 0 if candidate.get('spacing') == 'MONO' else 1
return bold_score + italic_score, monospace_match
width_score = abs(candidate.get('width', FC_WIDTH_NORMAL) - FC_WIDTH_NORMAL)
return bold_score + italic_score, monospace_match, width_score
# First look for an exact match
for selector in ('ps_map', 'full_map', 'family_map'):