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don't show busy cursor immediately

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Setting it straight away causes the cursor to flash on quick operations,
like saving the current note. Delay it for 300ms, which should hopefully
be long enough to not get in the way, but short enough to give indication
that long-running requests are being processed.
This commit is contained in:
Damien Elmes 2021-03-16 19:33:26 +10:00
parent 314efe4549
commit c5bfa5425a
1 changed files with 11 additions and 4 deletions
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15
qt/aqt/progress.py
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@ -20,6 +20,7 @@ class ProgressManager:
self.inDB = False
self.blockUpdates = False
self._show_timer: Optional[QTimer] = None
self._busy_cursor_timer: Optional[QTimer] = None
self._win: Optional[ProgressDialog] = None
self._levels = 0
@ -94,7 +95,10 @@ class ProgressManager:
self._win.setWindowTitle("Anki")
self._win.setWindowModality(Qt.ApplicationModal)
self._win.setMinimumWidth(300)
self._setBusy()
self._busy_cursor_timer = QTimer(self.mw)
self._busy_cursor_timer.setSingleShot(True)
self._busy_cursor_timer.start(300)
qconnect(self._busy_cursor_timer.timeout, self._set_busy_cursor)
self._shown: float = 0
self._counter = min
self._min = min
@ -148,7 +152,10 @@ class ProgressManager:
if self._levels == 0:
if self._win:
self._closeWin()
self._unsetBusy()
if self._busy_cursor_timer:
self._busy_cursor_timer.stop()
self._busy_cursor_timer = None
self._restore_cursor()
if self._show_timer:
self._show_timer.stop()
self._show_timer = None
@ -187,10 +194,10 @@ class ProgressManager:
self._win = None
self._shown = 0
def _setBusy(self) -> None:
def _set_busy_cursor(self) -> None:
self.mw.app.setOverrideCursor(QCursor(Qt.WaitCursor))
def _unsetBusy(self) -> None:
def _restore_cursor(self) -> None:
self.app.restoreOverrideCursor()
def busy(self) -> int: