Mercurial Repositories > eric / file comparison
comparison: eric7/WebBrowser/GreaseMonkey/GreaseMonkeyConfiguration/GreaseMonkeyConfigurationListWidget.py
eric7/WebBrowser/GreaseMonkey/GreaseMonkeyConfiguration/GreaseMonkeyConfigurationListWidget.py
- branch
- eric7
- changeset 8312
- 800c432b34c8
- parent 8218
- 7c09585bd960
- child 8318
- 962bce857696
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| 8311:4e8b98454baa | 8312:800c432b34c8 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2012 - 2021 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a special list widget for GreaseMonkey scripts. | |
| 8 """ | |
| 9 | |
| 10 from PyQt5.QtCore import pyqtSignal, QRect | |
| 11 from PyQt5.QtWidgets import QListWidget, QListWidgetItem | |
| 12 | |
| 13 from .GreaseMonkeyConfigurationListDelegate import ( | |
| 14 GreaseMonkeyConfigurationListDelegate | |
| 15 ) | |
| 16 | |
| 17 | |
| 18 class GreaseMonkeyConfigurationListWidget(QListWidget): | |
| 19 """ | |
| 20 Class implementing a special list widget for GreaseMonkey scripts. | |
| 21 | |
| 22 @signal removeItemRequested(item) emitted to indicate an item removal | |
| 23 request (QListWidgetItem) | |
| 24 """ | |
| 25 removeItemRequested = pyqtSignal(QListWidgetItem) | |
| 26 | |
| 27 def __init__(self, parent=None): | |
| 28 """ | |
| 29 Constructor | |
| 30 | |
| 31 @param parent reference to the parent widget (QWidget) | |
| 32 """ | |
| 33 super().__init__(parent) | |
| 34 | |
| 35 self.__delegate = GreaseMonkeyConfigurationListDelegate(self) | |
| 36 self.setItemDelegate(self.__delegate) | |
| 37 | |
| 38 def __containsRemoveIcon(self, pos): | |
| 39 """ | |
| 40 Private method to check, if the given position is inside the remove | |
| 41 icon. | |
| 42 | |
| 43 @param pos position to check for (QPoint) | |
| 44 @return flag indicating success (boolean) | |
| 45 """ | |
| 46 itm = self.itemAt(pos) | |
| 47 if itm is None: | |
| 48 return False | |
| 49 | |
| 50 rect = self.visualItemRect(itm) | |
| 51 iconSize = GreaseMonkeyConfigurationListDelegate.RemoveIconSize | |
| 52 removeIconXPos = rect.right() - self.__delegate.padding() - iconSize | |
| 53 center = rect.height() // 2 + rect.top() | |
| 54 removeIconYPos = center - iconSize // 2 | |
| 55 | |
| 56 removeIconRect = QRect(removeIconXPos, removeIconYPos, | |
| 57 iconSize, iconSize) | |
| 58 return removeIconRect.contains(pos) | |
| 59 | |
| 60 def mousePressEvent(self, evt): | |
| 61 """ | |
| 62 Protected method handling presses of mouse buttons. | |
| 63 | |
| 64 @param evt mouse press event (QMouseEvent) | |
| 65 """ | |
| 66 if self.__containsRemoveIcon(evt.pos()): | |
| 67 self.removeItemRequested.emit(self.itemAt(evt.pos())) | |
| 68 return | |
| 69 | |
| 70 super().mousePressEvent(evt) | |
| 71 | |
| 72 def mouseDoubleClickEvent(self, evt): | |
| 73 """ | |
| 74 Protected method handling mouse double click events. | |
| 75 | |
| 76 @param evt mouse press event (QMouseEvent) | |
| 77 """ | |
| 78 if self.__containsRemoveIcon(evt.pos()): | |
| 79 self.removeItemRequested.emit(self.itemAt(evt.pos())) | |
| 80 return | |
| 81 | |
| 82 super().mouseDoubleClickEvent( | |
| 83 evt) |
