Mercurial Repositories > eric / file diff

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/eric7/CodeFormatting/BlackDiffWidget.py	Mon Jul 11 16:42:50 2022 +0200
@@ -0,0 +1,66 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2022 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a window to show a unified diff..
+"""
+
+from PyQt6.QtWidgets import QWidget
+
+from .Ui_BlackDiffWidget import Ui_BlackDiffWidget
+
+from UI.DiffHighlighter import DiffHighlighter
+
+import Preferences
+
+
+class BlackDiffWidget(QWidget, Ui_BlackDiffWidget):
+    """
+    Class implementing a window to show a unified diff..
+    """
+    def __init__(self, parent=None):
+        """
+        Constructor
+        
+        @param parent reference to the parent widget (defaults to None)
+        @type QWidget (optional)
+        """
+        super().__init__(parent)
+        self.setupUi(self)
+        
+        font = Preferences.getEditorOtherFonts("MonospacedFont")
+        self.diffEdit.document().setDefaultFont(font)
+        
+        self.__highlighter = DiffHighlighter(self.diffEdit.document())
+        self.__savedGeometry = None
+    
+    def showDiff(self, diff):
+        """
+        Public method to show the given diff.
+        
+        @param diff text containing the unified diff
+        @type str
+        """
+        self.diffEdit.clear()
+        self.__highlighter.regenerateRules()
+        
+        if diff:
+            self.diffEdit.setPlainText(diff)
+        else:
+            self.diffEdit.setPlainText(self.tr('There is no difference.'))
+        
+        if self.__savedGeometry is not None:
+            self.restoreGeometry(self.__savedGeometry)
+        
+        self.show()
+    
+    def closeEvent(self, evt):
+        """
+        Protected slot implementing a close event handler.
+        
+        @param evt reference to the close event
+        @type QCloseEvent
+        """
+        self.__savedGeometry = self.saveGeometry()