Mercurial Repositories > eric / file comparison
comparison: eric6/WebBrowser/GreaseMonkey/GreaseMonkeyConfiguration/GreaseMonkeyConfigurationListWidget.py
eric6/WebBrowser/GreaseMonkey/GreaseMonkeyConfiguration/GreaseMonkeyConfigurationListWidget.py
- changeset 6942
- 2602857055c5
- parent 6645
- ad476851d7e0
- child 7229
- 53054eb5b15a
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| 6941:f99d60d6b59b | 6942:2602857055c5 |
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| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2012 - 2019 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a special list widget for GreaseMonkey scripts. | |
| 8 """ | |
| 9 | |
| 10 from __future__ import unicode_literals | |
| 11 | |
| 12 from PyQt5.QtCore import pyqtSignal, QRect | |
| 13 from PyQt5.QtWidgets import QListWidget, QListWidgetItem | |
| 14 | |
| 15 from .GreaseMonkeyConfigurationListDelegate import \ | |
| 16 GreaseMonkeyConfigurationListDelegate | |
| 17 | |
| 18 | |
| 19 class GreaseMonkeyConfigurationListWidget(QListWidget): | |
| 20 """ | |
| 21 Class implementing a special list widget for GreaseMonkey scripts. | |
| 22 | |
| 23 @signal removeItemRequested(item) emitted to indicate an item removal | |
| 24 request (QListWidgetItem) | |
| 25 """ | |
| 26 removeItemRequested = pyqtSignal(QListWidgetItem) | |
| 27 | |
| 28 def __init__(self, parent=None): | |
| 29 """ | |
| 30 Constructor | |
| 31 | |
| 32 @param parent reference to the parent widget (QWidget) | |
| 33 """ | |
| 34 super(GreaseMonkeyConfigurationListWidget, self).__init__(parent) | |
| 35 | |
| 36 self.__delegate = GreaseMonkeyConfigurationListDelegate(self) | |
| 37 self.setItemDelegate(self.__delegate) | |
| 38 | |
| 39 def __containsRemoveIcon(self, pos): | |
| 40 """ | |
| 41 Private method to check, if the given position is inside the remove | |
| 42 icon. | |
| 43 | |
| 44 @param pos position to check for (QPoint) | |
| 45 @return flag indicating success (boolean) | |
| 46 """ | |
| 47 itm = self.itemAt(pos) | |
| 48 if itm is None: | |
| 49 return False | |
| 50 | |
| 51 rect = self.visualItemRect(itm) | |
| 52 iconSize = GreaseMonkeyConfigurationListDelegate.RemoveIconSize | |
| 53 removeIconXPos = rect.right() - self.__delegate.padding() - iconSize | |
| 54 center = rect.height() // 2 + rect.top() | |
| 55 removeIconYPos = center - iconSize // 2 | |
| 56 | |
| 57 removeIconRect = QRect(removeIconXPos, removeIconYPos, | |
| 58 iconSize, iconSize) | |
| 59 return removeIconRect.contains(pos) | |
| 60 | |
| 61 def mousePressEvent(self, evt): | |
| 62 """ | |
| 63 Protected method handling presses of mouse buttons. | |
| 64 | |
| 65 @param evt mouse press event (QMouseEvent) | |
| 66 """ | |
| 67 if self.__containsRemoveIcon(evt.pos()): | |
| 68 self.removeItemRequested.emit(self.itemAt(evt.pos())) | |
| 69 return | |
| 70 | |
| 71 super(GreaseMonkeyConfigurationListWidget, self).mousePressEvent(evt) | |
| 72 | |
| 73 def mouseDoubleClickEvent(self, evt): | |
| 74 """ | |
| 75 Protected method handling mouse double click events. | |
| 76 | |
| 77 @param evt mouse press event (QMouseEvent) | |
| 78 """ | |
| 79 if self.__containsRemoveIcon(evt.pos()): | |
| 80 self.removeItemRequested.emit(self.itemAt(evt.pos())) | |
| 81 return | |
| 82 | |
| 83 super(GreaseMonkeyConfigurationListWidget, self).mouseDoubleClickEvent( | |
| 84 evt) |
