Mercurial Repositories > eric / file comparison
comparison: src/eric7/EricWidgets/EricAutoResizeTextBrowser.py
src/eric7/EricWidgets/EricAutoResizeTextBrowser.py
- branch
- eric7
- changeset 10920
- 8a1d447323a2
- child 11090
- f5f5f5803935
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| 10919:4e4c8ee38c45 | 10920:8a1d447323a2 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2024 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a QTextBrowser widget that resizes automatically. | |
| 8 """ | |
| 9 | |
| 10 from PyQt6.QtCore import Qt | |
| 11 from PyQt6.QtWidgets import QFrame, QSizePolicy, QTextBrowser | |
| 12 | |
| 13 | |
| 14 class EricAutoResizeTextBrowser(QTextBrowser): | |
| 15 """ | |
| 16 Class implementing a QTextBrowser widget that adjusts its size automatically to the | |
| 17 contained text. | |
| 18 """ | |
| 19 | |
| 20 def __init__(self, parent=None): | |
| 21 """ | |
| 22 Constructor | |
| 23 | |
| 24 @param parent reference to the parent widget (defaults to None) | |
| 25 @type QWidget (optional) | |
| 26 """ | |
| 27 super().__init__(parent=parent) | |
| 28 | |
| 29 self.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Preferred) | |
| 30 self.setHorizontalScrollBarPolicy(Qt.ScrollBarPolicy.ScrollBarAlwaysOff) | |
| 31 self.setVerticalScrollBarPolicy(Qt.ScrollBarPolicy.ScrollBarAlwaysOff) | |
| 32 self.setFrameShape(QFrame.Shape.NoFrame) | |
| 33 | |
| 34 self.textChanged.connect(self.updateGeometry) | |
| 35 | |
| 36 def resizeEvent(self, evt): | |
| 37 """ | |
| 38 Protected method to handle resize events. | |
| 39 | |
| 40 @param evt reference to the resize event | |
| 41 @type QResizeEvent | |
| 42 """ | |
| 43 super().resizeEvent(evt) | |
| 44 self.updateGeometry() | |
| 45 | |
| 46 def updateGeometry(self): | |
| 47 """ | |
| 48 Public method to update the geometry depending on the current text. | |
| 49 """ | |
| 50 # Set the text width of the document to match the width of the text browser. | |
| 51 self.document().setTextWidth( | |
| 52 self.width() - 2 * int(self.document().documentMargin()) | |
| 53 ) | |
| 54 | |
| 55 # Get the document height and set it as the fixed height of the text browser. | |
| 56 docHeight = self.document().size().height() | |
| 57 self.setFixedHeight(int(docHeight)) | |
| 58 | |
| 59 # Call the base class updateGeometry() method. | |
| 60 super().updateGeometry() |
