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@@ -1,11 +1,25 b'' | |||||
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1 | import sys | |||
1 | from IPython.external.qt_for_kernel import QtCore, QtGui |
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2 | from IPython.external.qt_for_kernel import QtCore, QtGui | |
2 |
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3 | |||
3 | def inputhook(context): |
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4 | def inputhook(context): | |
4 | app = QtCore.QCoreApplication.instance() |
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5 | app = QtCore.QCoreApplication.instance() | |
5 | if not app: |
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6 | if not app: | |
6 | return |
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7 | return | |
7 | event_loop = QtCore.QEventLoop(app) |
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8 | event_loop = QtCore.QEventLoop(app) | |
8 | notifier = QtCore.QSocketNotifier(context.fileno(), QtCore.QSocketNotifier.Read) |
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9 | ||
9 | notifier.setEnabled(True) |
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10 | if sys.platform == 'win32': | |
10 | notifier.activated.connect(event_loop.exit) |
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11 | # The QSocketNotifier method doesn't appear to work on Windows. | |
11 | event_loop.exec_() |
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12 | # Use polling instead. | |
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13 | timer = QtCore.QTimer() | |||
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14 | timer.timeout.connect(event_loop.quit) | |||
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15 | while not context.input_is_ready(): | |||
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16 | timer.start(50) # 50 ms | |||
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17 | event_loop.exec_() | |||
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18 | timer.stop() | |||
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19 | else: | |||
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20 | # On POSIX platforms, we can use a file descriptor to quit the event | |||
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21 | # loop when there is input ready to read. | |||
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22 | notifier = QtCore.QSocketNotifier(context.fileno(), QtCore.QSocketNotifier.Read) | |||
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23 | notifier.setEnabled(True) | |||
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24 | notifier.activated.connect(event_loop.exit) | |||
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25 | event_loop.exec_() |
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