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@@ -14,10 +14,14 b' Inputhook management for GUI event loop integration.' | |||
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14 | 14 | # Imports |
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15 | 15 | #----------------------------------------------------------------------------- |
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16 | 16 | |
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17 | import ctypes | |
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17 | try: | |
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18 | import ctypes | |
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19 | except ImportError: | |
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20 | ctypes = None | |
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18 | 21 | import os |
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19 | 22 | import sys |
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20 | import warnings | |
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23 | ||
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24 | from IPython.utils.warn import warn | |
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21 | 25 | |
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22 | 26 | #----------------------------------------------------------------------------- |
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23 | 27 | # Constants |
@@ -98,6 +102,9 b' class InputHookManager(object):' | |||
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98 | 102 | """ |
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99 | 103 | |
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100 | 104 | def __init__(self): |
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105 | if ctypes is None: | |
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106 | warn("IPython GUI event loop requires ctypes, %gui will not be available\n") | |
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107 | return | |
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101 | 108 | self.PYFUNC = ctypes.PYFUNCTYPE(ctypes.c_int) |
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102 | 109 | self._apps = {} |
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103 | 110 | self._reset() |
@@ -1,5 +1,8 b'' | |||
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1 | 1 | # Standard library imports. |
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2 | import ctypes | |
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2 | try: | |
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3 | import ctypes | |
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4 | except: | |
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5 | ctypes = None | |
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3 | 6 | import os |
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4 | 7 | import platform |
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5 | 8 | import time |
@@ -54,6 +57,8 b' class ParentPollerWindows(Thread):' | |||
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54 | 57 | """ |
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55 | 58 | assert(interrupt_handle or parent_handle) |
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56 | 59 | super(ParentPollerWindows, self).__init__() |
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60 | if ctypes is None: | |
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61 | raise ImportError("ParentPollerWindows requires ctypes") | |
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57 | 62 | self.daemon = True |
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58 | 63 | self.interrupt_handle = interrupt_handle |
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59 | 64 | self.parent_handle = parent_handle |
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