62 lines
2.4 KiB
Python
62 lines
2.4 KiB
Python
# Copyright 2016 Hardcoded Software (http://www.hardcoded.net)
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#
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# This software is licensed under the "GPLv3" License as described in the "LICENSE" file,
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# which should be included with this package. The terms are also available at
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# http://www.gnu.org/licenses/gpl-3.0.html
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from PyQt5.QtCore import Qt, QTimer
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from PyQt5.QtWidgets import QProgressDialog
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from hscommon.trans import tr
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class ProgressWindow:
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def __init__(self, parent, model):
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self._window = None
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self.parent = parent
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self.model = model
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model.view = self
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# We don't have access to QProgressDialog's labels directly, so we se the model label's view
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# to self and we'll refresh them together.
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self.model.jobdesc_textfield.view = self
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self.model.progressdesc_textfield.view = self
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# --- Callbacks
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def refresh(self): # Labels
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if self._window is not None:
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self._window.setWindowTitle(self.model.jobdesc_textfield.text)
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self._window.setLabelText(self.model.progressdesc_textfield.text)
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def set_progress(self, last_progress):
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if self._window is not None:
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if last_progress < 0:
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self._window.setRange(0, 0)
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else:
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self._window.setRange(0, 100)
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self._window.setValue(last_progress)
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def show(self):
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flags = Qt.CustomizeWindowHint | Qt.WindowTitleHint | Qt.WindowSystemMenuHint
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self._window = QProgressDialog("", tr("Cancel"), 0, 100, self.parent, flags)
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self._window.setModal(True)
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self._window.setAutoReset(False)
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self._window.setAutoClose(False)
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self._timer = QTimer(self._window)
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self._timer.timeout.connect(self.model.pulse)
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self._window.show()
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self._window.canceled.connect(self.model.cancel)
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self._timer.start(500)
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def close(self):
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# it seems it is possible for close to be called without a corresponding
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# show, only perform a close if there is a window to close
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if self._window is not None:
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self._timer.stop()
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del self._timer
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# For some weird reason, canceled() signal is sent upon close, whether the user canceled
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# or not. If we don't want a false cancellation, we have to disconnect it.
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self._window.canceled.disconnect()
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self._window.close()
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self._window.setParent(None)
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self._window = None
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