E5Gui/E5ClickableLabel.py

Sat, 15 Mar 2014 17:24:02 +0100

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sat, 15 Mar 2014 17:24:02 +0100
branch
5_4_x
changeset 3376
64c0145576d0
parent 3160
209a07d7e401
permissions
-rw-r--r--

Replaced Qt.MiddleButton by Qt.MidButton due to old Qt versions.

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2012 - 2014 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 a clickable label.
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8 """
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9
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10 from PyQt4.QtCore import pyqtSignal, Qt, QPoint
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11 from PyQt4.QtGui import QLabel
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12
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13
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14 class E5ClickableLabel(QLabel):
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15 """
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16 Class implementing a clickable label.
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17
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18 @signal clicked(QPoint) emitted upon a click on the label
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19 with the left buton
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20 @signal middleClicked(QPoint) emitted upon a click on the label
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21 with the middle buton or CTRL and left button
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22 """
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23 clicked = pyqtSignal(QPoint)
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24 middleClicked = pyqtSignal(QPoint)
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25
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26 def __init__(self, parent=None):
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27 """
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28 Constructor
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29
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30 @param parent reference to the parent widget (QWidget)
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31 """
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32 super().__init__(parent)
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33
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34 def mouseReleaseEvent(self, evt):
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35 """
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36 Protected method handling mouse release events.
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37
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38 @param evt mouse event (QMouseEvent)
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39 """
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40 if evt.button() == Qt.LeftButton and self.rect().contains(evt.pos()):
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41 if evt.modifiers() == Qt.ControlModifier:
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42 self.middleClicked.emit(evt.globalPos())
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43 else:
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44 self.clicked.emit(evt.globalPos())
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parents: 3160
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45 elif evt.button() == Qt.MidButton and \
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46 self.rect().contains(evt.pos()):
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47 self.middleClicked.emit(evt.globalPos())
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48 else:
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49 super().mouseReleaseEvent(evt)

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