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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 17:35:20 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 17:35:20 +0000 |
commit | e106bf94eff07d9a59771d9ccc4406421e18ab64 (patch) | |
tree | edb6545500e39df9c67aa918a6125bffc8ec1aee /examples/full-screen/simple-demos/line-prefixes.py | |
parent | Initial commit. (diff) | |
download | prompt-toolkit-upstream.tar.xz prompt-toolkit-upstream.zip |
Adding upstream version 3.0.36.upstream/3.0.36upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'examples/full-screen/simple-demos/line-prefixes.py')
-rwxr-xr-x | examples/full-screen/simple-demos/line-prefixes.py | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/examples/full-screen/simple-demos/line-prefixes.py b/examples/full-screen/simple-demos/line-prefixes.py new file mode 100755 index 0000000..ab47ef6 --- /dev/null +++ b/examples/full-screen/simple-demos/line-prefixes.py @@ -0,0 +1,111 @@ +#!/usr/bin/env python +""" +An example of a BufferControl in a full screen layout that offers auto +completion. + +Important is to make sure that there is a `CompletionsMenu` in the layout, +otherwise the completions won't be visible. +""" +from prompt_toolkit.application import Application +from prompt_toolkit.buffer import Buffer +from prompt_toolkit.completion import WordCompleter +from prompt_toolkit.filters import Condition +from prompt_toolkit.formatted_text import HTML +from prompt_toolkit.key_binding import KeyBindings +from prompt_toolkit.layout.containers import Float, FloatContainer, HSplit, Window +from prompt_toolkit.layout.controls import BufferControl, FormattedTextControl +from prompt_toolkit.layout.layout import Layout +from prompt_toolkit.layout.menus import CompletionsMenu + +LIPSUM = """ +Lorem ipsum dolor sit amet, consectetur adipiscing elit. Maecenas +quis interdum enim. Nam viverra, mauris et blandit malesuada, ante est bibendum +mauris, ac dignissim dui tellus quis ligula. Aenean condimentum leo at +dignissim placerat. In vel dictum ex, vulputate accumsan mi. Donec ut quam +placerat massa tempor elementum. Sed tristique mauris ac suscipit euismod. Ut +tempus vehicula augue non venenatis. Mauris aliquam velit turpis, nec congue +risus aliquam sit amet. Pellentesque blandit scelerisque felis, faucibus +consequat ante. Curabitur tempor tortor a imperdiet tincidunt. Nam sed justo +sit amet odio bibendum congue. Quisque varius ligula nec ligula gravida, sed +convallis augue faucibus. Nunc ornare pharetra bibendum. Praesent blandit ex +quis sodales maximus.""" + + +def get_line_prefix(lineno, wrap_count): + if wrap_count == 0: + return HTML('[%s] <style bg="orange" fg="black">--></style> ') % lineno + + text = str(lineno) + "-" + "*" * (lineno // 2) + ": " + return HTML('[%s.%s] <style bg="ansigreen" fg="ansiblack">%s</style>') % ( + lineno, + wrap_count, + text, + ) + + +# Global wrap lines flag. +wrap_lines = True + + +# The layout +buff = Buffer(complete_while_typing=True) +buff.text = LIPSUM + + +body = FloatContainer( + content=HSplit( + [ + Window( + FormattedTextControl( + 'Press "q" to quit. Press "w" to enable/disable wrapping.' + ), + height=1, + style="reverse", + ), + Window( + BufferControl(buffer=buff), + get_line_prefix=get_line_prefix, + wrap_lines=Condition(lambda: wrap_lines), + ), + ] + ), + floats=[ + Float( + xcursor=True, + ycursor=True, + content=CompletionsMenu(max_height=16, scroll_offset=1), + ) + ], +) + + +# Key bindings +kb = KeyBindings() + + +@kb.add("q") +@kb.add("c-c") +def _(event): + "Quit application." + event.app.exit() + + +@kb.add("w") +def _(event): + "Disable/enable wrapping." + global wrap_lines + wrap_lines = not wrap_lines + + +# The `Application` +application = Application( + layout=Layout(body), key_bindings=kb, full_screen=True, mouse_support=True +) + + +def run(): + application.run() + + +if __name__ == "__main__": + run() |