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gui/log: send Qt model notifications correctly

This commit is contained in:
Sebastien Bourdeauducq 2016-03-25 20:00:52 +08:00
parent 67ab8dbfa5
commit 5c6e2d7a3a
1 changed files with 5 additions and 10 deletions
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15
artiq/gui/log.py
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@ -65,35 +65,30 @@ class Model(QtCore.QAbstractItemModel):
self.pending_entries.append((severity, source, timestamp, self.pending_entries.append((severity, source, timestamp,
message.split("\n"))) message.split("\n")))
def insertRows(self, position, rows=1, index=QtCore.QModelIndex()):
self.beginInsertRows(QtCore.QModelIndex(), position, position+rows-1)
self.endInsertRows()
def removeRows(self, position, rows=1, index=QtCore.QModelIndex()):
self.beginRemoveRows(QtCore.QModelIndex(), position, position+rows-1)
self.endRemoveRows()
def timer_tick(self): def timer_tick(self):
if not self.pending_entries: if not self.pending_entries:
return return
nrows = len(self.entries) nrows = len(self.entries)
records = self.pending_entries records = self.pending_entries
self.pending_entries = [] self.pending_entries = []
self.beginInsertRows(QtCore.QModelIndex(), nrows, nrows+len(records)-1)
self.entries.extend(records) self.entries.extend(records)
for rec in records: for rec in records:
item = ModelItem(self, len(self.children_by_row)) item = ModelItem(self, len(self.children_by_row))
self.children_by_row.append(item) self.children_by_row.append(item)
for i in range(len(rec[3])-1): for i in range(len(rec[3])-1):
item.children_by_row.append(ModelItem(item, i)) item.children_by_row.append(ModelItem(item, i))
self.insertRows(nrows, len(records)) self.endInsertRows()
if len(self.entries) > self.depth: if len(self.entries) > self.depth:
start = len(self.entries) - self.depth start = len(self.entries) - self.depth
self.beginRemoveRows(QtCore.QModelIndex(), 0, start-1)
self.entries = self.entries[start:] self.entries = self.entries[start:]
self.children_by_row = self.children_by_row[start:] self.children_by_row = self.children_by_row[start:]
for child in self.children_by_row: for child in self.children_by_row:
child.row -= start child.row -= start
self.removeRows(0, start) self.endRemoveRows()
def index(self, row, column, parent): def index(self, row, column, parent):
if parent.isValid(): if parent.isValid():