Mercurial Repositories > eric / file comparison
comparison: src/eric7/EricWidgets/EricSqueezeLabels.py
src/eric7/EricWidgets/EricSqueezeLabels.py
- branch
- eric7
- changeset 9209
- b99e7fd55fd3
- parent 8881
- 54e42bc2437a
- child 9221
- bf71ee032bb4
equal
deleted
inserted
replaced
| 9208:3fc8dfeb6ebe | 9209:b99e7fd55fd3 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2008 - 2022 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing labels that squeeze their contents to fit the size of the | |
| 8 label. | |
| 9 """ | |
| 10 | |
| 11 from PyQt6.QtCore import Qt | |
| 12 from PyQt6.QtWidgets import QLabel | |
| 13 | |
| 14 from Utilities import compactPath | |
| 15 | |
| 16 | |
| 17 class EricSqueezeLabel(QLabel): | |
| 18 """ | |
| 19 Class implementing a label that squeezes its contents to fit its size. | |
| 20 """ | |
| 21 def __init__(self, parent=None): | |
| 22 """ | |
| 23 Constructor | |
| 24 | |
| 25 @param parent reference to the parent Widget (QWidget) | |
| 26 """ | |
| 27 super().__init__(parent) | |
| 28 | |
| 29 self.__text = '' | |
| 30 self.__elided = '' | |
| 31 | |
| 32 def paintEvent(self, event): | |
| 33 """ | |
| 34 Protected method called when some painting is required. | |
| 35 | |
| 36 @param event reference to the paint event (QPaintEvent) | |
| 37 """ | |
| 38 fm = self.fontMetrics() | |
| 39 try: | |
| 40 pixelLength = fm.horizontalAdvance(self.__text) | |
| 41 except AttributeError: | |
| 42 pixelLength = fm.width(self.__text) | |
| 43 if pixelLength > self.contentsRect().width(): | |
| 44 self.__elided = fm.elidedText( | |
| 45 self.text(), Qt.TextElideMode.ElideMiddle, self.width()) | |
| 46 super().setText(self.__elided) | |
| 47 else: | |
| 48 super().setText(self.__text) | |
| 49 super().paintEvent(event) | |
| 50 | |
| 51 def setText(self, txt): | |
| 52 """ | |
| 53 Public method to set the label's text. | |
| 54 | |
| 55 @param txt the text to be shown (string) | |
| 56 """ | |
| 57 self.__text = txt | |
| 58 super().setText(self.__text) | |
| 59 | |
| 60 | |
| 61 class EricSqueezeLabelPath(QLabel): | |
| 62 """ | |
| 63 Class implementing a label showing a file path compacted to fit its size. | |
| 64 """ | |
| 65 def __init__(self, parent=None): | |
| 66 """ | |
| 67 Constructor | |
| 68 | |
| 69 @param parent reference to the parent Widget (QWidget) | |
| 70 """ | |
| 71 super().__init__(parent) | |
| 72 | |
| 73 self.__path = '' | |
| 74 self.__surrounding = "{0}" | |
| 75 | |
| 76 def setSurrounding(self, surrounding): | |
| 77 """ | |
| 78 Public method to set the surrounding of the path string. | |
| 79 | |
| 80 @param surrounding the a string containg placeholders for the path | |
| 81 (string) | |
| 82 """ | |
| 83 self.__surrounding = surrounding | |
| 84 super().setText( | |
| 85 self.__surrounding.format(self.__path)) | |
| 86 | |
| 87 def setPath(self, path): | |
| 88 """ | |
| 89 Public method to set the path of the label. | |
| 90 | |
| 91 @param path path to be shown (string) | |
| 92 """ | |
| 93 self.__path = path | |
| 94 super().setText( | |
| 95 self.__surrounding.format(self.__path)) | |
| 96 | |
| 97 def setTextPath(self, surrounding, path): | |
| 98 """ | |
| 99 Public method to set the surrounding and the path of the label. | |
| 100 | |
| 101 @param surrounding the a string containg placeholders for the path | |
| 102 (string) | |
| 103 @param path path to be shown (string) | |
| 104 """ | |
| 105 self.__surrounding = surrounding | |
| 106 self.__path = path | |
| 107 super().setText( | |
| 108 self.__surrounding.format(self.__path)) | |
| 109 | |
| 110 def paintEvent(self, event): | |
| 111 """ | |
| 112 Protected method called when some painting is required. | |
| 113 | |
| 114 @param event reference to the paint event (QPaintEvent) | |
| 115 """ | |
| 116 if self.length(self.__path) > self.contentsRect().width(): | |
| 117 super().setText( | |
| 118 self.__surrounding.format(compactPath(self.__path, | |
| 119 self.contentsRect().width(), | |
| 120 self.length)) | |
| 121 ) | |
| 122 else: | |
| 123 super().setText( | |
| 124 self.__surrounding.format(self.__path)) | |
| 125 super().paintEvent(event) | |
| 126 | |
| 127 def length(self, txt): | |
| 128 """ | |
| 129 Public method to return the length of a text in pixels. | |
| 130 | |
| 131 @param txt text to calculate the length for after wrapped (string) | |
| 132 @return length of the wrapped text in pixels (integer) | |
| 133 """ | |
| 134 fm = self.fontMetrics() | |
| 135 try: | |
| 136 return fm.horizontalAdvance(self.__surrounding.format(txt)) | |
| 137 except AttributeError: | |
| 138 return fm.width(self.__surrounding.format(txt)) |
