E5Gui/E5LineEdit.py

Wed, 13 Jan 2010 18:53:58 +0000

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Wed, 13 Jan 2010 18:53:58 +0000
changeset 55
b5c84934de9c
child 643
719db11dd4df
child 792
a13346916170
permissions
-rw-r--r--

Renamed E4Gui to E5Gui.

55
b5c84934de9c Renamed E4Gui to E5Gui.
Detlev Offenbach <detlev@die-offenbachs.de>
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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2009 - 2010 Detlev Offenbach <detlev@die-offenbachs.de>
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4 #
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5
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6 """
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7 Module implementing specialized line edits.
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8 """
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9
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10 from PyQt4.QtCore import Qt
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11 from PyQt4.QtGui import QLineEdit, QStyleOptionFrameV2, QStyle, QPainter, QPalette
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12
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13 class E5LineEdit(QLineEdit):
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14 """
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15 Class implementing a line edit widget showing some inactive text.
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16 """
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17 def __init__(self, parent = None, inactiveText = ""):
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18 """
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19 Constructor
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20
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21 @param parent reference to the parent widget (QWidget)
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22 @param inactiveText text to be shown on inactivity (string)
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23 """
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24 QLineEdit.__init__(self, parent)
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25
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26 self.__inactiveText = inactiveText
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27
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28 def inactiveText(self):
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29 """
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30 Public method to get the inactive text.
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31
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32 return inactive text (string)
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33 """
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34 return self.__inactiveText
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35
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36 def setInactiveText(self, inactiveText):
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37 """
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38 Public method to set the inactive text.
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39
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40 @param inactiveText text to be shown on inactivity (string)
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41 """
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Detlev Offenbach <detlev@die-offenbachs.de>
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42 self.__inactiveText = inactiveText
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Detlev Offenbach <detlev@die-offenbachs.de>
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43 self.update()
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44
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45 def paintEvent(self, evt):
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Detlev Offenbach <detlev@die-offenbachs.de>
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46 """
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Detlev Offenbach <detlev@die-offenbachs.de>
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47 Protected method handling a paint event.
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48
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49 @param evt reference to the paint event (QPaintEvent)
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50 """
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Detlev Offenbach <detlev@die-offenbachs.de>
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51 QLineEdit.paintEvent(self, evt)
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52 if not self.text() and \
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53 self.__inactiveText and \
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54 not self.hasFocus():
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55 panel = QStyleOptionFrameV2()
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56 self.initStyleOption(panel)
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57 textRect = \
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58 self.style().subElementRect(QStyle.SE_LineEditContents, panel, self)
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59 textRect.adjust(2, 0, 0, 0)
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60 painter = QPainter(self)
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61 painter.setPen(self.palette().brush(QPalette.Disabled, QPalette.Text).color())
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62 painter.drawText(textRect, Qt.AlignLeft | Qt.AlignVCenter, self.__inactiveText)

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