kitty/gen/cursors.py
2023-10-16 20:33:12 +05:30

150 lines
8.6 KiB
Python
Executable File

#!/usr/bin/env python
# License: GPLv3 Copyright: 2023, Kovid Goyal <kovid at kovidgoyal.net>
import os
import subprocess
import sys
from typing import List
if __name__ == '__main__' and not __package__:
import __main__
__main__.__package__ = 'gen'
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
from .key_constants import patch_file
# References for these names:
# CSS:choices_for_{option.name} https://developer.mozilla.org/en-US/docs/Web/CSS/cursor
# XCursor: https://tronche.com/gui/x/xlib/appendix/b/ + Absolute chaos
# Wayland: https://wayland.app/protocols/cursor-shape-v1
# Cocoa: https://developer.apple.com/documentation/appkit/nscursor + secret apple selectors + SDL_cocoamouse.m
# kitty_names CSS_name XCursor_names Wayland_name Cocoa_name
cursors = '''\
arrow default default,!left_ptr default arrowCursor
beam,text text text,!xterm,ibeam text IBeamCursor
pointer,hand pointer pointing_hand,pointer,!hand2,hand pointer pointingHandCursor
help help help,!question_arrow,whats_this help help:arrowCursor
wait wait wait,!clock,watch wait busybutclickable:arrowCursor
progress progress progress,half-busy,left_ptr_watch progress busybutclickable:arrowCursor
crosshair crosshair crosshair,!tcross crosshair crosshairCursor
cell cell cell,!plus,!cross cell cell:crosshairCursor
vertical-text vertical-text vertical-text vertical-text IBeamCursorForVerticalLayout
move move move,!fleur,pointer-move move move:openHandCursor
e-resize e-resize e-resize,!right_side e_resize resizeRightCursor
ne-resize ne-resize ne-resize,!top_right_corner ne_resize resizenortheast:_windowResizeNorthEastSouthWestCursor
nw-resize nw-resize nw-resize,!top_left_corner nw_resize resizenorthwest:_windowResizeNorthWestSouthEastCursor
n-resize n-resize n-resize,!top_side n_resize resizeUpCursor
se-resize se-resize se-resize,!bottom_right_corner se_resize resizesoutheast:_windowResizeNorthWestSouthEastCursor
sw-resize sw-resize sw-resize,!bottom_left_corner sw_resize resizesouthwest:_windowResizeNorthEastSouthWestCursor
s-resize s-resize s-resize,!bottom_side s_resize resizeDownCursor
w-resize w-resize w-resize,!left_side w_resize resizeLeftCursor
ew-resize ew-resize ew-resize,!sb_h_double_arrow,split_h ew_resize resizeLeftRightCursor
ns-resize ns-resize ns-resize,!sb_v_double_arrow,split_v ns_resize resizeUpDownCursor
nesw-resize nesw-resize nesw-resize,size_bdiag,!sb_v_double_arrow nesw_resize _windowResizeNorthEastSouthWestCursor
nwse-resize nwse-resize nwse-resize,size_fdiag,!sb_h_double_arrow nwse_resize _windowResizeNorthWestSouthEastCursor
zoom-in zoom-in zoom-in,zoom_in zoom_in zoomin:arrowCursor
zoom-out zoom-out zoom-out,zoom_out zoom_out zoomout:arrowCursor
alias alias dnd-link alias dragLinkCursor
copy copy dnd-copy copy dragCopyCursor
not-allowed not-allowed not-allowed,forbidden,crossed_circle not_allowed operationNotAllowedCursor
no-drop no-drop no-drop,dnd-no-drop no_drop operationNotAllowedCursor
grab grab grab,openhand,!hand1 grab openHandCursor
grabbing grabbing grabbing,closedhand,dnd-none grabbing closedHandCursor
'''
def main(args: List[str]=sys.argv) -> None:
glfw_enum = []
css_names = []
glfw_xc_map = {}
glfw_xfont_map = []
kitty_to_enum_map = {}
enum_to_glfw_map = {}
enum_to_css_map = {}
glfw_cocoa_map = {}
glfw_css_map = {}
css_to_enum = {}
xc_to_enum = {}
for line in cursors.splitlines():
line = line.strip()
if line:
names_, css, xc_, wayland, cocoa = line.split()
names, xc = names_.split(','), xc_.split(',')
base = css.replace('-', '_').upper()
glfw_name = 'GLFW_' + base + '_CURSOR'
enum_name = base + '_POINTER'
enum_to_glfw_map[enum_name] = glfw_name
enum_to_css_map[enum_name] = css
glfw_css_map[glfw_name] = css
css_to_enum[css] = enum_name
css_names.append(css)
for n in names:
kitty_to_enum_map[n] = enum_name
glfw_enum.append(glfw_name)
glfw_xc_map[glfw_name] = ', '.join(f'''"{x.replace('!', '')}"''' for x in xc)
for x in xc:
if x.startswith('!'):
glfw_xfont_map.append(f"case {glfw_name}: return set_cursor_from_font(cursor, {'XC_' + x[1:]});")
break
else:
items = tuple('"' + x.replace('!', '') + '"' for x in xc)
glfw_xfont_map.append(f'case {glfw_name}: return try_cursor_names(cursor, {len(items)}, {", ".join(items)});')
for x in xc:
x = x.lstrip('!')
xc_to_enum[x] = enum_name
parts = cocoa.split(':', 1)
if len(parts) == 1:
if parts[0].startswith('_'):
glfw_cocoa_map[glfw_name] = f'U({glfw_name}, {parts[0]});'
else:
glfw_cocoa_map[glfw_name] = f'C({glfw_name}, {parts[0]});'
else:
glfw_cocoa_map[glfw_name] = f'S({glfw_name}, {parts[0]}, {parts[1]});'
for x, v in xc_to_enum.items():
if x not in css_to_enum:
css_to_enum[x] = v
glfw_enum.append('GLFW_INVALID_CURSOR')
patch_file('glfw/glfw3.h', 'mouse cursor shapes', '\n'.join(f' {x},' for x in glfw_enum))
patch_file('glfw/wl_window.c', 'glfw to xc mapping', '\n'.join(f' C({g}, {x});' for g, x in glfw_xc_map.items()))
patch_file('glfw/x11_window.c', 'glfw to xc mapping', '\n'.join(f' {x}' for x in glfw_xfont_map))
patch_file('kitty/data-types.h', 'mouse shapes', '\n'.join(f' {x},' for x in enum_to_glfw_map))
patch_file(
'kitty/options/definition.py', 'pointer shape names', '\n'.join(f' {x!r},' for x in kitty_to_enum_map),
start_marker='# ', end_marker='',
)
patch_file('kitty/options/to-c.h', 'pointer shapes', '\n'.join(
f' else if (strcmp(name, "{k}") == 0) return {v};' for k, v in kitty_to_enum_map.items()))
patch_file('kitty/glfw.c', 'enum to glfw', '\n'.join(
f' case {k}: set_glfw_mouse_cursor(w, {v}); break;' for k, v in enum_to_glfw_map.items()))
patch_file('kitty/glfw.c', 'name to glfw', '\n'.join(
f' if (strcmp(name, "{k}") == 0) return {enum_to_glfw_map[v]};' for k, v in kitty_to_enum_map.items()))
patch_file('kitty/glfw.c', 'glfw to css', '\n'.join(
f' case {g}: return "{c}";' for g, c in glfw_css_map.items()
))
patch_file('kitty/screen.c', 'enum to css', '\n'.join(
f' case {e}: ans = "{c}"; break;' for e, c in enum_to_css_map.items()))
patch_file('kitty/screen.c', 'css to enum', '\n'.join(
f' else if (strcmp("{c}", css_name) == 0) s = {e};' for c, e in css_to_enum.items()))
patch_file('glfw/cocoa_window.m', 'glfw to cocoa', '\n'.join(f' {x}' for x in glfw_cocoa_map.values()))
patch_file('docs/pointer-shapes.rst', 'list of shape css names', '\n'.join(
f'#. {x}' if x else '' for x in [''] + sorted(css_names) + ['']), start_marker='.. ', end_marker='')
patch_file('tools/tui/loop/mouse.go', 'pointer shape enum', '\n'.join(
f'\t{x} PointerShape = {i}' for i, x in enumerate(enum_to_glfw_map)), start_marker='// ', end_marker='')
patch_file('tools/tui/loop/mouse.go', 'pointer shape tostring', '\n'.join(
f'''\tcase {x}: return "{x.lower().rpartition('_')[0].replace('_', '-')}"''' for x in enum_to_glfw_map), start_marker='// ', end_marker='')
subprocess.check_call(['glfw/glfw.py'])
if __name__ == '__main__':
import runpy
m = runpy.run_path(os.path.dirname(os.path.abspath(__file__)))
m['main']([sys.executable, 'cursors'])