src/eric7/CodeFormatting/BlackDiffWidget.py

branch
eric7
changeset 9214
bd28e56047d7
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9213:2bf743848d2f 9214:bd28e56047d7
1 # -*- coding: utf-8 -*-
2
3 # Copyright (c) 2022 Detlev Offenbach <detlev@die-offenbachs.de>
4 #
5
6 """
7 Module implementing a window to show a unified diff..
8 """
9
10 from PyQt6.QtWidgets import QWidget
11
12 from .Ui_BlackDiffWidget import Ui_BlackDiffWidget
13
14 from UI.DiffHighlighter import DiffHighlighter
15
16 import Preferences
17
18
19 class BlackDiffWidget(QWidget, Ui_BlackDiffWidget):
20 """
21 Class implementing a window to show a unified diff..
22 """
23 def __init__(self, parent=None):
24 """
25 Constructor
26
27 @param parent reference to the parent widget (defaults to None)
28 @type QWidget (optional)
29 """
30 super().__init__(parent)
31 self.setupUi(self)
32
33 font = Preferences.getEditorOtherFonts("MonospacedFont")
34 self.diffEdit.document().setDefaultFont(font)
35
36 self.__highlighter = DiffHighlighter(self.diffEdit.document())
37 self.__savedGeometry = None
38
39 def showDiff(self, diff):
40 """
41 Public method to show the given diff.
42
43 @param diff text containing the unified diff
44 @type str
45 """
46 self.diffEdit.clear()
47 self.__highlighter.regenerateRules()
48
49 if diff:
50 self.diffEdit.setPlainText(diff)
51 else:
52 self.diffEdit.setPlainText(self.tr('There is no difference.'))
53
54 if self.__savedGeometry is not None:
55 self.restoreGeometry(self.__savedGeometry)
56
57 self.show()
58
59 def closeEvent(self, evt):
60 """
61 Protected slot implementing a close event handler.
62
63 @param evt reference to the close event
64 @type QCloseEvent
65 """
66 self.__savedGeometry = self.saveGeometry()

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