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gui: log autoscroll

This commit is contained in:
Sebastien Bourdeauducq 2015-07-24 00:11:05 +08:00
parent 1a4028ca92
commit 5b1165f413
1 changed files with 11 additions and 0 deletions
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11
artiq/gui/log.py
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@ -30,6 +30,7 @@ class LogDock(dockarea.Dock):
self.log.setShowGrid(False)
self.log.setTextElideMode(QtCore.Qt.ElideNone)
self.addWidget(self.log)
self.scroll_at_bottom = False
@asyncio.coroutine
def sub_connect(self, host, port):
@ -40,7 +41,17 @@ class LogDock(dockarea.Dock):
def sub_close(self):
yield from self.subscriber.close()
def rows_inserted_before(self):
scrollbar = self.log.verticalScrollBar()
self.scroll_at_bottom = scrollbar.value() == scrollbar.maximum()
def rows_inserted_after(self):
if self.scroll_at_bottom:
self.log.scrollToBottom()
def init_log_model(self, init):
table_model = _LogModel(self.log, init)
self.log.setModel(table_model)
table_model.rowsAboutToBeInserted.connect(self.rows_inserted_before)
table_model.rowsInserted.connect(self.rows_inserted_after)
return table_model