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from rich.style import Style
from textual._text_area_theme import TextAreaTheme
from textual.app import App, ComposeResult
from textual.widgets import TextArea
TEXT = """\
# says hello
def hello(name):
print("hello" + name)
# says goodbye
def goodbye(name):
print("goodbye" + name)
"""
MY_THEME = TextAreaTheme(
# This name will be used to refer to the theme...
name="my_cool_theme",
# Basic styles such as background, cursor, selection, gutter, etc...
cursor_style=Style(color="white", bgcolor="blue"),
cursor_line_style=Style(bgcolor="yellow"),
# `syntax_styles` maps tokens parsed from the document to Rich styles.
syntax_styles={
"string": Style(color="red"),
"comment": Style(color="magenta"),
},
)
class TextAreaCustomThemes(App):
def compose(self) -> ComposeResult:
text_area = TextArea(TEXT, language="python")
text_area.cursor_blink = False
text_area.register_theme(MY_THEME)
text_area.theme = "my_cool_theme"
yield text_area
app = TextAreaCustomThemes()
if __name__ == "__main__":
app.run()
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