jensandClaude Sonnet 4.6
07444fd299
- Sky widget always gets the latest data immediately (off-thread render) - Table rebuilds throttled to ~2 Hz via single-shot QTimer - Cell values updated in-place when satellite set is unchanged, preserving scroll position; full rebuild only when satellites appear/disappear Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
175 lines
7.6 KiB
Python
175 lines
7.6 KiB
Python
import sys, os
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_root = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
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_gui = os.path.dirname(os.path.abspath(__file__))
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for _p in [_root, _gui]:
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if _p not in sys.path:
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sys.path.insert(0, _p)
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from PyQt5.QtWidgets import (
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QWidget, QHBoxLayout, QVBoxLayout, QLabel, QListWidget,
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QListWidgetItem, QTableWidget, QTableWidgetItem, QHeaderView,
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QSplitter, QGroupBox,
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)
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from PyQt5.QtCore import Qt, QTimer
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from PyQt5.QtGui import QColor, QBrush
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from data_model import ReceiverManager, GNSS_NAMES, GNSS_COLORS
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from sky_widget import SkyPlotWidget
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_COL_HEADERS = ['GNSS', 'SV', 'Elev °', 'Az °', 'C/N₀', 'Fix', 'Receiver']
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class SkyTab(QWidget):
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def __init__(self, model: ReceiverManager):
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super().__init__()
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self._model = model
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self._store: dict = {} # (rid, gnss_id, sv_id) -> SatelliteData
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self._table_keys: list = [] # current row order as (rid, gnss_id, sv_id)
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outer = QVBoxLayout(self)
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outer.setContentsMargins(4, 4, 4, 4)
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outer.setSpacing(4)
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# ── Source selector ───────────────────────────────────────────────────
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src_box = QGroupBox("Receiver Sources (check to include)")
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src_box.setMaximumHeight(80)
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src_bl = QHBoxLayout(src_box)
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src_bl.setContentsMargins(4, 2, 4, 2)
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self._src_list = QListWidget()
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self._src_list.setFlow(QListWidget.LeftToRight)
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self._src_list.setWrapping(True)
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self._src_list.setResizeMode(QListWidget.Adjust)
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self._src_list.itemChanged.connect(self._refresh_immediate)
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src_bl.addWidget(self._src_list)
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outer.addWidget(src_box)
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# ── Sky plot + satellite table ─────────────────────────────────────────
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splitter = QSplitter(Qt.Horizontal)
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self._sky = SkyPlotWidget()
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splitter.addWidget(self._sky)
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self._table = QTableWidget()
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self._table.setColumnCount(len(_COL_HEADERS))
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self._table.setHorizontalHeaderLabels(_COL_HEADERS)
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self._table.horizontalHeader().setSectionResizeMode(QHeaderView.ResizeToContents)
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self._table.horizontalHeader().setStretchLastSection(True)
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self._table.setEditTriggers(QTableWidget.NoEditTriggers)
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self._table.setSelectionBehavior(QTableWidget.SelectRows)
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self._table.setAlternatingRowColors(False)
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splitter.addWidget(self._table)
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splitter.setStretchFactor(0, 2)
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splitter.setStretchFactor(1, 1)
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outer.addWidget(splitter)
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# ── Table throttle timer (max ~2 Hz rebuilds) ─────────────────────────
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self._table_timer = QTimer(self)
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self._table_timer.setSingleShot(True)
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self._table_timer.setInterval(500)
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self._table_timer.timeout.connect(self._rebuild_table_from_store)
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# ── Model signals ─────────────────────────────────────────────────────
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model.receiver_added.connect(self._on_receiver_added)
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model.receiver_removed.connect(self._on_receiver_removed)
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model.satellite_update.connect(self._on_sat_update)
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# ── Source list management ────────────────────────────────────────────────
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def _on_receiver_added(self, rid: str):
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item = QListWidgetItem(f" {rid} ")
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item.setFlags(item.flags() | Qt.ItemIsUserCheckable)
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item.setCheckState(Qt.Checked)
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item.setData(Qt.UserRole, rid)
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self._src_list.addItem(item)
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def _on_receiver_removed(self, rid: str):
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for i in range(self._src_list.count()):
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if self._src_list.item(i).data(Qt.UserRole) == rid:
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self._src_list.takeItem(i)
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break
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keys = [k for k in self._store if k[0] == rid]
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for k in keys:
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del self._store[k]
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self._refresh_immediate()
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def _selected_rids(self) -> set:
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result = set()
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for i in range(self._src_list.count()):
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item = self._src_list.item(i)
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if item.checkState() == Qt.Checked:
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result.add(item.data(Qt.UserRole))
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return result
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def _visible_sats(self) -> list:
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selected = self._selected_rids()
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return [(k[0], self._store[k])
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for k in self._store if k[0] in selected]
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# ── Data update ───────────────────────────────────────────────────────────
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def _on_sat_update(self, rid: str, sats: list):
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for sat in sats:
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self._store[(rid, sat.gnss_id, sat.sv_id)] = sat
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# Sky widget: always submit latest (render is off-thread, trivially cheap)
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self._sky.update_data(self._visible_sats())
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# Table: schedule a rebuild if one isn't already pending
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if not self._table_timer.isActive():
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self._table_timer.start()
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def _refresh_immediate(self):
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"""Called on source-checkbox toggle or receiver removal — rebuild now."""
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self._table_timer.stop()
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visible = self._visible_sats()
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self._sky.update_data(visible)
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self._rebuild_table(visible)
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def _rebuild_table_from_store(self):
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self._rebuild_table(self._visible_sats())
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# ── Table ─────────────────────────────────────────────────────────────────
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def _rebuild_table(self, sats: list):
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sorted_sats = sorted(sats, key=lambda x: (x[1].gnss_id, x[1].sv_id))
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new_keys = [(rid, sat.gnss_id, sat.sv_id) for rid, sat in sorted_sats]
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if new_keys == self._table_keys:
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# Only values changed — update in place, scroll position untouched
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for row, (_, sat) in enumerate(sorted_sats):
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self._table.item(row, 2).setText(f"{sat.elevation:.0f}")
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self._table.item(row, 3).setText(f"{sat.azimuth:.0f}")
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self._table.item(row, 4).setText(f"{sat.cno:.1f}")
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self._table.item(row, 5).setText("✓" if sat.used_in_fix else "")
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return
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# Satellite set changed — full rebuild
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self._table_keys = new_keys
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vp = self._table.viewport()
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vp.setUpdatesEnabled(False)
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self._table.setSortingEnabled(False)
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self._table.setRowCount(len(sorted_sats))
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for row, (rid, sat) in enumerate(sorted_sats):
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gnss_name = GNSS_NAMES.get(sat.gnss_id, f'SYS{sat.gnss_id}')
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bg = QColor(GNSS_COLORS.get(sat.gnss_id, '#9E9E9E'))
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bg.setAlpha(55)
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brush = QBrush(bg)
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def cell(text, br=brush):
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it = QTableWidgetItem(str(text))
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it.setTextAlignment(Qt.AlignCenter)
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it.setBackground(br)
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return it
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self._table.setItem(row, 0, cell(gnss_name))
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self._table.setItem(row, 1, cell(sat.sv_id))
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self._table.setItem(row, 2, cell(f"{sat.elevation:.0f}"))
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self._table.setItem(row, 3, cell(f"{sat.azimuth:.0f}"))
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self._table.setItem(row, 4, cell(f"{sat.cno:.1f}"))
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self._table.setItem(row, 5, cell("✓" if sat.used_in_fix else ""))
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self._table.setItem(row, 6, cell(rid))
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self._table.setSortingEnabled(True)
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vp.setUpdatesEnabled(True)
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