50 lines
1.6 KiB
Python
50 lines
1.6 KiB
Python
from __future__ import annotations
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from PySide6.QtCore import Qt
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from PySide6.QtGui import QColor, QFont, QFontMetrics, QPainter
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from PySide6.QtWidgets import QWidget
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class OverlayWidget(QWidget):
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def __init__(self, parent: QWidget | None = None) -> None:
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super().__init__(parent)
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self.setAttribute(Qt.WA_TransparentForMouseEvents)
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self.setAttribute(Qt.WA_NoSystemBackground)
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self._visible = True
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self._metrics: dict[str, float | int] = {}
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def set_visible(self, visible: bool) -> None:
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self._visible = visible
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self.update()
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def set_metrics(self, metrics: dict[str, float | int]) -> None:
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self._metrics = metrics
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self.update()
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def paintEvent(self, event) -> None: # noqa: N802
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if not self._visible or not self._metrics:
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return
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lines = [
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f"FPS: {self._metrics.get('fps', 0):>7}",
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f"Frame: {self._metrics.get('frame_time_ms', 0):>7.1f} ms",
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f"Frames: {self._metrics.get('frame_count', 0):>7}",
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]
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painter = QPainter(self)
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painter.setRenderHint(QPainter.TextAntialiasing)
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font = QFont("Consolas", 11)
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painter.setFont(font)
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fm = QFontMetrics(font)
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text_width = max(fm.horizontalAdvance(line) for line in lines) + 24
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text_height = len(lines) * (fm.height() + 6) + 12
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painter.fillRect(8, 8, text_width, text_height, QColor(0, 0, 0, 160))
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painter.setPen(QColor(0, 255, 0))
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for i, line in enumerate(lines):
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y = 22 + i * (fm.height() + 6)
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painter.drawText(16, y, line)
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