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Move ASCII border code to a file, with a demo app

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This commit is contained in:
Isaiah Odhner 2023-08-30 22:23:38 -04:00
parent 3b42656f48
commit 7699d3d1a8
2 changed files with 341 additions and 228 deletions
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339
src/textual_paint/ascii_borders.py Normal file
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@ -0,0 +1,339 @@
"""Provides ASCII borders for older terminals."""
from textual._border import BORDER_CHARS, BORDER_LOCATIONS
def force_ascii_borders() -> None:
"""Force all borders to use ASCII characters."""
# replace all with ascii border style
for key in BORDER_CHARS:
BORDER_CHARS[key] = (
("+", "-", "+"),
("|", " ", "|"),
("+", "-", "+"),
)
# BORDER_CHARS[""] = (
# (" ", " ", " "),
# (" ", " ", " "),
# (" ", " ", " "),
# )
# # was originally: (
# # (" ", " ", " "),
# # (" ", " ", " "),
# # (" ", " ", " "),
# # )
# BORDER_CHARS["ascii"] = (
# ("+", "-", "+"),
# ("|", " ", "|"),
# ("+", "-", "+"),
# )
# # was originally: (
# # ("+", "-", "+"),
# # ("|", " ", "|"),
# # ("+", "-", "+"),
# # )
# BORDER_CHARS["none"] = (
# (" ", " ", " "),
# (" ", " ", " "),
# (" ", " ", " "),
# )
# # was originally: (
# # (" ", " ", " "),
# # (" ", " ", " "),
# # (" ", " ", " "),
# # )
# BORDER_CHARS["hidden"] = (
# (" ", " ", " "),
# (" ", " ", " "),
# (" ", " ", " "),
# )
# # was originally: (
# # (" ", " ", " "),
# # (" ", " ", " "),
# # (" ", " ", " "),
# # )
# BORDER_CHARS["blank"] = (
# (" ", " ", " "),
# (" ", " ", " "),
# (" ", " ", " "),
# )
# # was originally: (
# # (" ", " ", " "),
# # (" ", " ", " "),
# # (" ", " ", " "),
# # )
BORDER_CHARS["round"] = (
(".", "-", "."),
("|", " ", "|"),
("'", "-", "'"),
)
# was originally: (
# ("╭", "─", "╮"),
# ("│", " ", "│"),
# ("╰", "─", "╯"),
# )
# This is actually supported in old terminals, but it's not technically ASCII...
# BORDER_CHARS["solid"] = (
# ("┌", "─", "┐"),
# ("│", " ", "│"),
# ("└", "─", "┘"),
# )
# # was originally: (
# # ("┌", "─", "┐"),
# # ("│", " ", "│"),
# # ("└", "─", "┘"),
# # )
BORDER_CHARS["double"] = (
("#", "=", "#"),
("H", " ", "H"),
("#", "=", "#"),
)
# was originally: (
# ("╔", "═", "╗"),
# ("║", " ", "║"),
# ("╚", "═", "╝"),
# )
BORDER_CHARS["dashed"] = (
(":", '"', ":"),
(":", " ", ":"),
("'", '"', "'"),
)
# was originally: (
# ("┏", "╍", "┓"),
# ("╏", " ", "╏"),
# ("┗", "╍", "┛"),
# )
# BORDER_CHARS["heavy"] = (
# ("┏", "━", "┓"),
# ("┃", " ", "┃"),
# ("┗", "━", "┛"),
# )
# # was originally: (
# # ("┏", "━", "┓"),
# # ("┃", " ", "┃"),
# # ("┗", "━", "┛"),
# # )
# BORDER_CHARS["inner"] = (
# ("▗", "▄", "▖"),
# ("▐", " ", "▌"),
# ("▝", "▀", "▘"),
# )
# # was originally: (
# # ("▗", "▄", "▖"),
# # ("▐", " ", "▌"),
# # ("▝", "▀", "▘"),
# # )
# BORDER_CHARS["outer"] = (
# ("▛", "▀", "▜"),
# ("▌", " ", "▐"),
# ("▙", "▄", "▟"),
# )
# # was originally: (
# # ("▛", "▀", "▜"),
# # ("▌", " ", "▐"),
# # ("▙", "▄", "▟"),
# # )
# BORDER_CHARS["thick"] = (
# ("█", "▀", "█"),
# ("█", " ", "█"),
# ("█", "▄", "█"),
# )
# # was originally: (
# # ("█", "▀", "█"),
# # ("█", " ", "█"),
# # ("█", "▄", "█"),
# # )
BORDER_CHARS["hkey"] = (
(" ", " ", " "),
(" ", " ", " "),
("_", "_", "_"),
)
# was originally: (
# ("▔", "▔", "▔"),
# (" ", " ", " "),
# ("▁", "▁", "▁"),
# )
BORDER_CHARS["vkey"] = (
("[", " ", "]"),
("[", " ", "]"),
("[", " ", "]"),
)
# was originally: (
# ("▏", " ", "▕"),
# ("▏", " ", "▕"),
# ("▏", " ", "▕"),
# )
BORDER_CHARS["tall"] = (
("[", " ", "]"),
("[", " ", "]"),
("[", "_", "]"),
)
# was originally: (
# ("▊", "▔", "▎"),
# ("▊", " ", "▎"),
# ("▊", "▁", "▎"),
# )
# BORDER_CHARS["panel"] = (
# ("▊", "█", "▎"),
# ("▊", " ", "▎"),
# ("▊", "▁", "▎"),
# )
# # was originally: (
# # ("▊", "█", "▎"),
# # ("▊", " ", "▎"),
# # ("▊", "▁", "▎"),
# # )
BORDER_CHARS["wide"] = (
("_", "_", "_"),
("[", " ", "]"),
(" ", " ", " "),
)
# was originally: (
# ("▁", "▁", "▁"),
# ("▎", " ", "▊"),
# ("▔", "▔", "▔"),
# )
# Prevent inverse colors
for key in BORDER_LOCATIONS:
BORDER_LOCATIONS[key] = tuple(
tuple(value % 2 for value in row)
for row in BORDER_LOCATIONS[key]
)
# Prevent imbalanced borders
zeros = (
(0, 0, 0),
(0, 0, 0),
(0, 0, 0),
)
BORDER_LOCATIONS["panel"] = zeros
BORDER_LOCATIONS["tall"] = zeros
BORDER_LOCATIONS["wide"] = (
(1, 1, 1),
(0, 1, 0),
(1, 1, 1),
)
if __name__ == "__main__":
force_ascii_borders()
from textual.app import App
from textual.containers import Grid
from textual.widgets import Label
class AllBordersApp(App[None]):
CSS = """
#ascii {
border: ascii $accent;
}
#panel {
border: panel $accent;
}
#dashed {
border: dashed $accent;
}
#double {
border: double $accent;
}
#heavy {
border: heavy $accent;
}
#hidden {
border: hidden $accent;
}
#hkey {
border: hkey $accent;
}
#inner {
border: inner $accent;
}
#outer {
border: outer $accent;
}
#round {
border: round $accent;
}
#solid {
border: solid $accent;
}
#tall {
border: tall $accent;
}
#thick {
border: thick $accent;
}
#vkey {
border: vkey $accent;
}
#wide {
border: wide $accent;
}
Grid {
grid-size: 3 5;
align: center middle;
grid-gutter: 1 2;
}
Label {
width: 20;
height: 3;
content-align: center middle;
}
"""
def compose(self):
yield Grid(
Label("ascii", id="ascii"),
Label("panel", id="panel"),
Label("dashed", id="dashed"),
Label("double", id="double"),
Label("heavy", id="heavy"),
Label("hidden/none/blank", id="hidden"),
Label("hkey", id="hkey"),
Label("inner", id="inner"),
Label("outer", id="outer"),
Label("round", id="round"),
Label("solid", id="solid"),
Label("tall", id="tall"),
Label("thick", id="thick"),
Label("vkey", id="vkey"),
Label("wide", id="wide"),
)
app = AllBordersApp()
app.run()

230
src/textual_paint/paint.py
View File

@ -5518,234 +5518,8 @@ Columns: {len(palette) // 2}
if args.ascii_only: if args.ascii_only:
args.ascii_only_icons = True args.ascii_only_icons = True
from textual._border import BORDER_CHARS, BORDER_LOCATIONS from .ascii_borders import force_ascii_borders
force_ascii_borders()
# replace all with ascii border style
for key in BORDER_CHARS:
BORDER_CHARS[key] = (
("+", "-", "+"),
("|", " ", "|"),
("+", "-", "+"),
)
# BORDER_CHARS[""] = (
# (" ", " ", " "),
# (" ", " ", " "),
# (" ", " ", " "),
# )
# # was originally: (
# # (" ", " ", " "),
# # (" ", " ", " "),
# # (" ", " ", " "),
# # )
# BORDER_CHARS["ascii"] = (
# ("+", "-", "+"),
# ("|", " ", "|"),
# ("+", "-", "+"),
# )
# # was originally: (
# # ("+", "-", "+"),
# # ("|", " ", "|"),
# # ("+", "-", "+"),
# # )
# BORDER_CHARS["none"] = (
# (" ", " ", " "),
# (" ", " ", " "),
# (" ", " ", " "),
# )
# # was originally: (
# # (" ", " ", " "),
# # (" ", " ", " "),
# # (" ", " ", " "),
# # )
# BORDER_CHARS["hidden"] = (
# (" ", " ", " "),
# (" ", " ", " "),
# (" ", " ", " "),
# )
# # was originally: (
# # (" ", " ", " "),
# # (" ", " ", " "),
# # (" ", " ", " "),
# # )
# BORDER_CHARS["blank"] = (
# (" ", " ", " "),
# (" ", " ", " "),
# (" ", " ", " "),
# )
# # was originally: (
# # (" ", " ", " "),
# # (" ", " ", " "),
# # (" ", " ", " "),
# # )
BORDER_CHARS["round"] = (
(".", "-", "."),
("|", " ", "|"),
("'", "-", "'"),
)
# was originally: (
# ("╭", "─", "╮"),
# ("│", " ", "│"),
# ("╰", "─", "╯"),
# )
# This is actually supported in old terminals, but it's not technically ASCII...
# BORDER_CHARS["solid"] = (
# ("┌", "─", "┐"),
# ("│", " ", "│"),
# ("└", "─", "┘"),
# )
# # was originally: (
# # ("┌", "─", "┐"),
# # ("│", " ", "│"),
# # ("└", "─", "┘"),
# # )
BORDER_CHARS["double"] = (
("#", "=", "#"),
("H", " ", "H"),
("#", "=", "#"),
)
# was originally: (
# ("╔", "═", "╗"),
# ("║", " ", "║"),
# ("╚", "═", "╝"),
# )
BORDER_CHARS["dashed"] = (
(":", '"', ":"),
(":", " ", ":"),
("'", '"', "'"),
)
# was originally: (
# ("┏", "╍", "┓"),
# ("╏", " ", "╏"),
# ("┗", "╍", "┛"),
# )
# BORDER_CHARS["heavy"] = (
# ("┏", "━", "┓"),
# ("┃", " ", "┃"),
# ("┗", "━", "┛"),
# )
# # was originally: (
# # ("┏", "━", "┓"),
# # ("┃", " ", "┃"),
# # ("┗", "━", "┛"),
# # )
# BORDER_CHARS["inner"] = (
# ("▗", "▄", "▖"),
# ("▐", " ", "▌"),
# ("▝", "▀", "▘"),
# )
# # was originally: (
# # ("▗", "▄", "▖"),
# # ("▐", " ", "▌"),
# # ("▝", "▀", "▘"),
# # )
# BORDER_CHARS["outer"] = (
# ("▛", "▀", "▜"),
# ("▌", " ", "▐"),
# ("▙", "▄", "▟"),
# )
# # was originally: (
# # ("▛", "▀", "▜"),
# # ("▌", " ", "▐"),
# # ("▙", "▄", "▟"),
# # )
# BORDER_CHARS["thick"] = (
# ("█", "▀", "█"),
# ("█", " ", "█"),
# ("█", "▄", "█"),
# )
# # was originally: (
# # ("█", "▀", "█"),
# # ("█", " ", "█"),
# # ("█", "▄", "█"),
# # )
BORDER_CHARS["hkey"] = (
(" ", " ", " "),
(" ", " ", " "),
("_", "_", "_"),
)
# was originally: (
# ("▔", "▔", "▔"),
# (" ", " ", " "),
# ("▁", "▁", "▁"),
# )
BORDER_CHARS["vkey"] = (
("[", " ", "]"),
("[", " ", "]"),
("[", " ", "]"),
)
# was originally: (
# ("▏", " ", "▕"),
# ("▏", " ", "▕"),
# ("▏", " ", "▕"),
# )
BORDER_CHARS["tall"] = (
("[", " ", "]"),
("[", " ", "]"),
("[", "_", "]"),
)
# was originally: (
# ("▊", "▔", "▎"),
# ("▊", " ", "▎"),
# ("▊", "▁", "▎"),
# )
# BORDER_CHARS["panel"] = (
# ("▊", "█", "▎"),
# ("▊", " ", "▎"),
# ("▊", "▁", "▎"),
# )
# # was originally: (
# # ("▊", "█", "▎"),
# # ("▊", " ", "▎"),
# # ("▊", "▁", "▎"),
# # )
BORDER_CHARS["wide"] = (
("_", "_", "_"),
("[", " ", "]"),
(" ", " ", " "),
)
# was originally: (
# ("▁", "▁", "▁"),
# ("▎", " ", "▊"),
# ("▔", "▔", "▔"),
# )
# Prevent inverse colors
for key in BORDER_LOCATIONS:
BORDER_LOCATIONS[key] = tuple(
tuple(value % 2 for value in row)
for row in BORDER_LOCATIONS[key]
)
# Prevent imbalanced borders
zeros = (
(0, 0, 0),
(0, 0, 0),
(0, 0, 0),
)
BORDER_LOCATIONS["panel"] = zeros
BORDER_LOCATIONS["tall"] = zeros
BORDER_LOCATIONS["wide"] = (
(1, 1, 1),
(0, 1, 0),
(1, 1, 1),
)
# Adjust icons # Adjust icons
WindowTitleBar.MINIMIZE_ICON = "_" # was originally: "🗕" WindowTitleBar.MINIMIZE_ICON = "_" # was originally: "🗕"