Mercurial Repositories > eric / file comparison
comparison: E4Gui/E4LineEdit.py
E4Gui/E4LineEdit.py
- changeset 55
- b5c84934de9c
- parent 54
- 31463df17fd5
- child 56
- 3bd61d38c924
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| 54:31463df17fd5 | 55:b5c84934de9c |
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| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2009 - 2010 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing specialized line edits. | |
| 8 """ | |
| 9 | |
| 10 from PyQt4.QtCore import Qt | |
| 11 from PyQt4.QtGui import QLineEdit, QStyleOptionFrameV2, QStyle, QPainter, QPalette | |
| 12 | |
| 13 class E4LineEdit(QLineEdit): | |
| 14 """ | |
| 15 Class implementing a line edit widget showing some inactive text. | |
| 16 """ | |
| 17 def __init__(self, parent = None, inactiveText = ""): | |
| 18 """ | |
| 19 Constructor | |
| 20 | |
| 21 @param parent reference to the parent widget (QWidget) | |
| 22 @param inactiveText text to be shown on inactivity (string) | |
| 23 """ | |
| 24 QLineEdit.__init__(self, parent) | |
| 25 | |
| 26 self.__inactiveText = inactiveText | |
| 27 | |
| 28 def inactiveText(self): | |
| 29 """ | |
| 30 Public method to get the inactive text. | |
| 31 | |
| 32 return inactive text (string) | |
| 33 """ | |
| 34 return self.__inactiveText | |
| 35 | |
| 36 def setInactiveText(self, inactiveText): | |
| 37 """ | |
| 38 Public method to set the inactive text. | |
| 39 | |
| 40 @param inactiveText text to be shown on inactivity (string) | |
| 41 """ | |
| 42 self.__inactiveText = inactiveText | |
| 43 self.update() | |
| 44 | |
| 45 def paintEvent(self, evt): | |
| 46 """ | |
| 47 Protected method handling a paint event. | |
| 48 | |
| 49 @param evt reference to the paint event (QPaintEvent) | |
| 50 """ | |
| 51 QLineEdit.paintEvent(self, evt) | |
| 52 if not self.text() and \ | |
| 53 self.__inactiveText and \ | |
| 54 not self.hasFocus(): | |
| 55 panel = QStyleOptionFrameV2() | |
| 56 self.initStyleOption(panel) | |
| 57 textRect = \ | |
| 58 self.style().subElementRect(QStyle.SE_LineEditContents, panel, self) | |
| 59 textRect.adjust(2, 0, 0, 0) | |
| 60 painter = QPainter(self) | |
| 61 painter.setPen(self.palette().brush(QPalette.Disabled, QPalette.Text).color()) | |
| 62 painter.drawText(textRect, Qt.AlignLeft | Qt.AlignVCenter, self.__inactiveText) |
