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| -rw-r--r-- | examples/fullscreen.py | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/examples/fullscreen.py b/examples/fullscreen.py new file mode 100644 index 0000000..507eed1 --- /dev/null +++ b/examples/fullscreen.py @@ -0,0 +1,185 @@ +""" +Demonstrates a Rich "application" using the Layout and Live classes. + +""" + +from datetime import datetime + +from rich import box +from rich.align import Align +from rich.console import Console, RenderGroup +from rich.layout import Layout +from rich.panel import Panel +from rich.progress import Progress, SpinnerColumn, BarColumn, TextColumn +from rich.syntax import Syntax +from rich.table import Table +from rich.text import Text + +console = Console() + + +def make_layout() -> Layout: + """Define the layout.""" + layout = Layout(name="root") + + layout.split( + Layout(name="header", size=3), + Layout(name="main", ratio=1), + Layout(name="footer", size=7), + ) + layout["main"].split( + Layout(name="side"), + Layout(name="body", ratio=2, minimum_size=60), + direction="horizontal", + ) + layout["side"].split(Layout(name="box1"), Layout(name="box2")) + return layout + + +def make_sponsor_message() -> Panel: + """Some example content.""" + sponsor_message = Table.grid(padding=1) + sponsor_message.add_column(style="green", justify="right") + sponsor_message.add_column(no_wrap=True) + sponsor_message.add_row( + "Sponsor me", + "[u blue link=https://github.com/sponsors/willmcgugan]https://github.com/sponsors/willmcgugan", + ) + sponsor_message.add_row( + "Buy me a :coffee:", + "[u blue link=https://ko-fi.com/willmcgugan]https://ko-fi.com/willmcgugan", + ) + sponsor_message.add_row( + "Twitter", + "[u blue link=https://twitter.com/willmcgugan]https://twitter.com/willmcgugan", + ) + sponsor_message.add_row( + "Blog", "[u blue link=https://www.willmcgugan.com]https://www.willmcgugan.com" + ) + + intro_message = Text.from_markup( + """Consider supporting my work via Github Sponsors (ask your company / organization), or buy me a coffee to say thanks. - Will McGugan""" + ) + + message = Table.grid(padding=1) + message.add_column() + message.add_column(no_wrap=True) + message.add_row(intro_message, sponsor_message) + + message_panel = Panel( + Align.center( + RenderGroup(intro_message, "\n", Align.center(sponsor_message)), + vertical="middle", + ), + box=box.ROUNDED, + padding=(1, 2), + title="[b red]Thanks for trying out Rich!", + border_style="bright_blue", + ) + return message_panel + + +class Header: + """Display header with clock.""" + + def __rich__(self) -> Panel: + grid = Table.grid(expand=True) + grid.add_column(justify="center", ratio=1) + grid.add_column(justify="right") + grid.add_row( + "[b]Rich[/b] Layout application", + datetime.now().ctime().replace(":", "[blink]:[/]"), + ) + return Panel(grid, style="white on blue") + + +def make_syntax() -> Syntax: + code = """\ +def ratio_resolve(total: int, edges: List[Edge]) -> List[int]: + sizes = [(edge.size or None) for edge in edges] + + # While any edges haven't been calculated + while any(size is None for size in sizes): + # Get flexible edges and index to map these back on to sizes list + flexible_edges = [ + (index, edge) + for index, (size, edge) in enumerate(zip(sizes, edges)) + if size is None + ] + # Remaining space in total + remaining = total - sum(size or 0 for size in sizes) + if remaining <= 0: + # No room for flexible edges + sizes[:] = [(size or 0) for size in sizes] + break + # Calculate number of characters in a ratio portion + portion = remaining / sum((edge.ratio or 1) for _, edge in flexible_edges) + + # If any edges will be less than their minimum, replace size with the minimum + for index, edge in flexible_edges: + if portion * edge.ratio <= edge.minimum_size: + sizes[index] = edge.minimum_size + break + else: + # Distribute flexible space and compensate for rounding error + # Since edge sizes can only be integers we need to add the remainder + # to the following line + _modf = modf + remainder = 0.0 + for index, edge in flexible_edges: + remainder, size = _modf(portion * edge.ratio + remainder) + sizes[index] = int(size) + break + # Sizes now contains integers only + return cast(List[int], sizes) + """ + syntax = Syntax(code, "python", line_numbers=True) + return syntax + + +job_progress = Progress( + "{task.description}", + SpinnerColumn(), + BarColumn(), + TextColumn("[progress.percentage]{task.percentage:>3.0f}%"), +) +job_progress.add_task("[green]Cooking") +job_progress.add_task("[magenta]Baking", total=200) +job_progress.add_task("[cyan]Mixing", total=400) + +total = sum(task.total for task in job_progress.tasks) +overall_progress = Progress() +overall_task = overall_progress.add_task("All Jobs", total=int(total)) + +progress_table = Table.grid(expand=True) +progress_table.add_row( + Panel( + overall_progress, + title="Overall Progress", + border_style="green", + padding=(2, 2), + ), + Panel(job_progress, title="[b]Jobs", border_style="red", padding=(1, 2)), +) + + +layout = make_layout() +layout["header"].update(Header()) +layout["body"].update(make_sponsor_message()) +layout["box2"].update(Panel(make_syntax(), border_style="green")) +layout["box1"].update(Panel(layout.tree, border_style="red")) +layout["footer"].update(progress_table) + + +from rich.live import Live +from time import sleep + +with Live(layout, refresh_per_second=10, screen=True): + while not overall_progress.finished: + sleep(0.1) + for job in job_progress.tasks: + if not job.finished: + job_progress.advance(job.id) + + completed = sum(task.completed for task in job_progress.tasks) + overall_progress.update(overall_task, completed=completed) |