David Gwilliam
f5de2c62e0
- Add reuse parameter to Display.init() for all backends - PygameDisplay: reuse existing SDL window via class-level flag - TerminalDisplay: skip re-init when reuse=True - WebSocketDisplay: skip server start when reuse=True - SixelDisplay, KittyDisplay, NullDisplay: ignore reuse (not applicable) - MultiDisplay: pass reuse to child displays - Update benchmark.py to reuse pygame display for effect benchmarks - Add test_websocket_e2e.py with e2e marker - Register e2e marker in pyproject.toml
60 lines
1.5 KiB
Python
60 lines
1.5 KiB
Python
"""
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ANSI terminal display backend.
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"""
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import time
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class TerminalDisplay:
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"""ANSI terminal display backend.
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Renders buffer to stdout using ANSI escape codes.
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Supports reuse - when reuse=True, skips re-initializing terminal state.
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"""
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width: int = 80
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height: int = 24
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_initialized: bool = False
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def init(self, width: int, height: int, reuse: bool = False) -> None:
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"""Initialize display with dimensions.
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Args:
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width: Terminal width in characters
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height: Terminal height in rows
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reuse: If True, skip terminal re-initialization
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"""
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from engine.terminal import CURSOR_OFF
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self.width = width
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self.height = height
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if not reuse or not self._initialized:
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print(CURSOR_OFF, end="", flush=True)
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self._initialized = True
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def show(self, buffer: list[str]) -> None:
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import sys
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t0 = time.perf_counter()
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sys.stdout.buffer.write("".join(buffer).encode())
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sys.stdout.flush()
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elapsed_ms = (time.perf_counter() - t0) * 1000
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from engine.display import get_monitor
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monitor = get_monitor()
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if monitor:
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chars_in = sum(len(line) for line in buffer)
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monitor.record_effect("terminal_display", elapsed_ms, chars_in, chars_in)
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def clear(self) -> None:
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from engine.terminal import CLR
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print(CLR, end="", flush=True)
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def cleanup(self) -> None:
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from engine.terminal import CURSOR_ON
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print(CURSOR_ON, end="", flush=True)
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