eric6/QScintilla/TypingCompleters/CompleterBase.py

Sun, 29 Nov 2020 14:10:18 +0100

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sun, 29 Nov 2020 14:10:18 +0100
changeset 7844
cb108454eda7
parent 7781
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child 7923
91e843545d9a
permissions
-rw-r--r--

WebBrowserWindow: removed the use of QTextCodec to prepare the Qt6 migration.

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2007 - 2020 Detlev Offenbach <detlev@die-offenbachs.de>
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4 #
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5
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6 """
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7 Module implementing a base class for all typing completers.
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8
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9 Typing completers are classes that implement some convenience actions,
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10 that are performed while the user is typing (e.g. insert ')' when the
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11 user types '(').
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12 """
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13
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14 from PyQt5.QtCore import QObject
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16
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17 class CompleterBase(QObject):
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18 """
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19 Class implementing the base class for all completers.
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20 """
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21 def __init__(self, editor, parent=None):
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22 """
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23 Constructor
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24
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25 @param editor reference to the editor object (QScintilla.Editor)
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26 @param parent reference to the parent object (QObject)
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27 If parent is None, we set the editor as the parent.
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28 """
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29 if parent is None:
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30 parent = editor
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31
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32 super(CompleterBase, self).__init__(parent)
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33
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34 self.editor = editor
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35 self.enabled = False
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36
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37 def setEnabled(self, enable):
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38 """
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39 Public slot to set the enabled state.
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40
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41 @param enable flag indicating the new enabled state (boolean)
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42 """
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43 if enable:
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44 if not self.enabled:
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45 self.editor.SCN_CHARADDED.connect(self.charAdded)
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46 else:
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47 if self.enabled:
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48 self.editor.SCN_CHARADDED.disconnect(self.charAdded)
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49 self.enabled = enable
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50
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51 def isEnabled(self):
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52 """
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53 Public method to get the enabled state.
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54
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55 @return enabled state (boolean)
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56 """
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57 return self.enabled
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58
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59 def charAdded(self, charNumber):
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60 """
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61 Public slot called to handle the user entering a character.
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62
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63 Note 1: this slot must be overridden by subclasses implementing the
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64 specific behavior for the language.
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65
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66 Note 2: charNumber can be greater than 255 because the editor is
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67 in UTF-8 mode by default.
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68
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69 @param charNumber value of the character entered (integer)
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70 """
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71 pass # just do nothing
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72
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73 def readSettings(self):
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74 """
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75 Public slot called to reread the configuration parameters.
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76
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77 Note: this slot should be overridden by subclasses having
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78 configurable parameters.
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79 """
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80 pass # just do nothing

eric ide

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