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https://gitlab.freedesktop.org/plymouth/plymouth.git
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a2f03d4b98
At the moment the keyboard-render script only generates short names for console layouts. We're going to add /dev/input support to plymouth using libxkbcommon, so we're going to need a list of of those keymaps too. This commit adds that. Some contributions by n3rdopolis and Ray Strode.
119 lines
3.9 KiB
Python
Executable file
119 lines
3.9 KiB
Python
Executable file
#!/usr/bin/python3
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# coding: utf-8
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import cairo
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import subprocess
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import math
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import lxml
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from lxml import etree
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FONT_SIZE = 30
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MARGIN = int(FONT_SIZE / 3)
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#python3-lxml utility is required
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def get_keymaps():
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xml = etree.XML(bytes(open('/usr/share/X11/xkb/rules/evdev.xml', 'r').read(), encoding="utf-8"))
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keymaps_x11 = xml.xpath('//layout/configItem/description/text()')
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keymaps = subprocess.check_output(["localectl", "list-keymaps"]).decode("utf-8").strip().split()
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# Note when changing this you MUST keep ply_keymap_normalize_keymap()
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# from src/libply-splash-graphics/ply-keymap-icon.c in sync
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def normalize_keymaps(keymap):
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parts = keymap.replace("_", "-").replace(".", "-").split("-")
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# Special case for dvorak, E.g. when mixing "us" and "us-dvorak"
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# on machines returning "us" for both is not useful.
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# Presumably users using dvorak now which variant they use
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# so we just describe all dvorak layouts as "dvorak".
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if "dvorak" in keymap:
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return "dvorak"
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# mac / sun keymaps are prefixes with mac / sun / sun[4-6]t
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for prefix in ["mac", "sun" ]:
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if keymap.startswith(prefix) and len(parts) > 1:
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return parts[1]
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return parts[0]
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keymaps = list(map(normalize_keymaps ,keymaps))
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#Remove duplicates
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keymaps_dedupe = []
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for k in keymaps:
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if k not in keymaps_dedupe:
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keymaps_dedupe.append(k)
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ret = []
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for k in keymaps_dedupe:
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ret.append((k, "PLY_LAYOUT_TERMINAL"))
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for k in keymaps_x11:
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ret.append((k, "PLY_LAYOUT_XKB"))
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return ret
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# Calculate size
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sf = cairo.ImageSurface(cairo.FORMAT_ARGB32, 1, 1)
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ct = cairo.Context(sf)
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ct.select_font_face("Cantarell", cairo.FONT_SLANT_NORMAL, cairo.FONT_WEIGHT_BOLD)
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ct.set_font_size(FONT_SIZE)
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max_height = 0.0
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total_width = 0.0
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for i in get_keymaps():
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text=i[0]
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extents = ct.text_extents(text)
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h = extents.height
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if h > max_height:
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max_height = h
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total_width += extents.width
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total_width += MARGIN * 2
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ascent, descent, _h, _max_x, max_y = ct.font_extents()
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# Create image
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sf = cairo.ImageSurface(cairo.FORMAT_ARGB32, int(total_width), int(max_height + MARGIN * 2))
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ct = cairo.Context(sf)
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ct.save()
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ct.set_source_rgba(0, 0, 0, 0)
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ct.set_operator (cairo.OPERATOR_SOURCE)
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ct.paint()
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ct.restore()
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ct.select_font_face("Cantarell", cairo.FONT_SLANT_NORMAL, cairo.FONT_WEIGHT_BOLD)
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ct.set_font_size(FONT_SIZE)
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ct.set_source_rgba(0.75, 0.75, 0.75, 1.0)
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ct.move_to(MARGIN, MARGIN + max_height - descent)
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current_x, current_y = (MARGIN, MARGIN + max_height - descent)
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metadata = []
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for km in get_keymaps():
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km_text=km[0]
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km_type=km[1]
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extents = ct.text_extents(km_text)
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ct.show_text(km_text)
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metadata.append((km_text, current_x, extents.width + MARGIN * 2, km_type))
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current_x += extents.width + (MARGIN * 2)
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ct.move_to(current_x, current_y)
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sf.write_to_png("keymap-render.png")
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print("/* This file is autogenerated by running:")
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print(" * scripts/keymap-render.py > src/libply-splash-graphics/ply-keymap-metadata.h")
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print(" */")
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print("typedef struct {")
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print(" const char *name;")
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print(" int offset;")
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print(" int width;")
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print(" int type;")
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print("} ply_keymap_metadata_t;")
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print("")
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print("typedef enum {")
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print(" PLY_LAYOUT_TERMINAL,")
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print(" PLY_LAYOUT_XKB,")
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print("} ply_layout_types_t;")
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print("")
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print("static ply_keymap_metadata_t ply_keymap_metadata[] = {")
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for i in metadata:
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print((" { \"%s\", %d, %d, %s}," % (i[0],i[1],i[2],i[3])))
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print(" { NULL, } /* End of array marker */ ")
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print("};")
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