Mercurial Repositories > eric / file comparison
comparison: E5Gui/E5ClickableLabel.py
E5Gui/E5ClickableLabel.py
- changeset 1963
- 9c5b3235abf9
- child 2302
- f29e9405c851
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| 1961:2e7f691cade9 | 1963:9c5b3235abf9 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2012 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a clickable label. | |
| 8 """ | |
| 9 | |
| 10 from PyQt4.QtCore import pyqtSignal, Qt, QPoint | |
| 11 from PyQt4.QtGui import QLabel | |
| 12 | |
| 13 | |
| 14 class E5ClickableLabel(QLabel): | |
| 15 """ | |
| 16 Class implementing a clickable label. | |
| 17 | |
| 18 @signal clicked(QPoint) emitted upon a click on the label | |
| 19 with the left buton | |
| 20 @signal middleClicked(QPoint) emitted upon a click on the label | |
| 21 with the middle buton or CTRL and left button | |
| 22 """ | |
| 23 clicked = pyqtSignal(QPoint) | |
| 24 middleClicked = pyqtSignal(QPoint) | |
| 25 | |
| 26 def __init__(self, parent=None): | |
| 27 """ | |
| 28 Constructor | |
| 29 | |
| 30 @param parent reference to the parent widget (QWidget) | |
| 31 """ | |
| 32 super().__init__(parent) | |
| 33 | |
| 34 def mouseReleaseEvent(self, evt): | |
| 35 """ | |
| 36 Protected method handling mouse release events. | |
| 37 | |
| 38 @param evt mouse event (QMouseEvent) | |
| 39 """ | |
| 40 if evt.button() == Qt.LeftButton and self.rect().contains(evt.pos()): | |
| 41 if evt.modifiers() == Qt.ControlModifier: | |
| 42 self.middleClicked.emit(evt.globalPos()) | |
| 43 else: | |
| 44 self.clicked.emit(evt.globalPos()) | |
| 45 elif evt.button() == Qt.MiddleButton and self.rect().contains(evt.pos()): | |
| 46 self.middleClicked.emit(evt.globalPos()) | |
| 47 else: | |
| 48 super().mouseReleaseEvent(evt) |
