Update

2026-06-01 23:22:18 +02:00
parent f061da654d
commit d23d0c15be
14 changed files with 1858 additions and 202 deletions
@@ -0,0 +1,98 @@
+"""Widget graphique bande passante RX/TX (QPainter, sans dépendance externe)."""
+from __future__ import annotations
+from collections import deque
+from PyQt6.QtWidgets import QWidget
+from PyQt6.QtGui import QPainter, QColor, QPen, QBrush, QFont, QPainterPath
+from PyQt6.QtCore import Qt, QRect, QPointF
+
+
+def _fmt(bps: float) -> str:
+    if bps >= 1_048_576:
+        return f"{bps/1_048_576:.1f} MB/s"
+    if bps >= 1_024:
+        return f"{bps/1_024:.0f} KB/s"
+    return f"{bps:.0f} B/s"
+
+
+class BandwidthGraph(QWidget):
+    """Affiche RX (bleu) et TX (vert) sur les N dernières secondes."""
+
+    POINTS = 30   # nombre de points conservés
+
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        self._rx: deque[float] = deque([0.0] * self.POINTS, maxlen=self.POINTS)
+        self._tx: deque[float] = deque([0.0] * self.POINTS, maxlen=self.POINTS)
+        self.setMinimumHeight(70)
+        self.setStyleSheet("background: transparent;")
+
+    def push(self, rx_bps: float, tx_bps: float) -> None:
+        self._rx.append(max(0.0, rx_bps))
+        self._tx.append(max(0.0, tx_bps))
+        self.update()
+
+    def reset(self) -> None:
+        self._rx = deque([0.0] * self.POINTS, maxlen=self.POINTS)
+        self._tx = deque([0.0] * self.POINTS, maxlen=self.POINTS)
+        self.update()
+
+    def paintEvent(self, _):
+        p = QPainter(self)
+        p.setRenderHint(QPainter.RenderHint.Antialiasing)
+        w, h = self.width(), self.height()
+        pad_l, pad_r, pad_t, pad_b = 42, 8, 6, 20
+
+        # Fond
+        p.fillRect(0, 0, w, h, QColor("#17202a"))
+
+        plot_w = w - pad_l - pad_r
+        plot_h = h - pad_t - pad_b
+
+        max_val = max(max(self._rx), max(self._tx), 1.0)
+
+        def _path(data: deque, color: str, fill: str):
+            pts = list(data)
+            path = QPainterPath()
+            xs = [pad_l + i * plot_w / (len(pts) - 1) for i in range(len(pts))]
+            ys = [pad_t + plot_h - (v / max_val) * plot_h for v in pts]
+            path.moveTo(QPointF(xs[0], pad_t + plot_h))
+            path.lineTo(QPointF(xs[0], ys[0]))
+            for x, y in zip(xs[1:], ys[1:]):
+                path.lineTo(QPointF(x, y))
+            path.lineTo(QPointF(xs[-1], pad_t + plot_h))
+            path.closeSubpath()
+            p.fillPath(path, QBrush(QColor(fill)))
+            pen = QPen(QColor(color))
+            pen.setWidthF(1.5)
+            p.setPen(pen)
+            line = QPainterPath()
+            line.moveTo(QPointF(xs[0], ys[0]))
+            for x, y in zip(xs[1:], ys[1:]):
+                line.lineTo(QPointF(x, y))
+            p.drawPath(line)
+
+        _path(self._rx, "#5dade2", "#1a3a52")   # RX bleu
+        _path(self._tx, "#58d68d", "#1a3d2b")   # TX vert
+
+        # Axes
+        p.setPen(QPen(QColor("#2e4057")))
+        p.drawLine(pad_l, pad_t, pad_l, pad_t + plot_h)
+        p.drawLine(pad_l, pad_t + plot_h, w - pad_r, pad_t + plot_h)
+
+        # Labels Y
+        font = QFont("Arial", 8)
+        p.setFont(font)
+        p.setPen(QPen(QColor("#5d6d7e")))
+        for frac, label in [(0.0, _fmt(max_val)), (0.5, _fmt(max_val / 2)), (1.0, "0")]:
+            y = int(pad_t + frac * plot_h)
+            p.drawText(QRect(0, y - 8, pad_l - 2, 16),
+                       Qt.AlignmentFlag.AlignRight | Qt.AlignmentFlag.AlignVCenter,
+                       label)
+
+        # Légende
+        p.setPen(QPen(QColor("#5dade2")))
+        p.drawText(pad_l + 4, pad_t + 12, f"↓ {_fmt(self._rx[-1])}")
+        p.setPen(QPen(QColor("#58d68d")))
+        p.drawText(pad_l + 90, pad_t + 12, f"↑ {_fmt(self._tx[-1])}")
+
+        p.end()