Mercurial Repositories > eric / file comparison
comparison: eric7/E5Gui/E5LineEditButton.py
eric7/E5Gui/E5LineEditButton.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) 2010 - 2021 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a button class to be used with E5LineEdit. | |
| 8 """ | |
| 9 | |
| 10 from PyQt5.QtCore import Qt, QPoint, QPointF | |
| 11 from PyQt5.QtGui import QPainter, QPainterPath | |
| 12 from PyQt5.QtWidgets import QAbstractButton | |
| 13 | |
| 14 | |
| 15 class E5LineEditButton(QAbstractButton): | |
| 16 """ | |
| 17 Class implementing a button to be used with E5LineEdit. | |
| 18 """ | |
| 19 def __init__(self, parent=None): | |
| 20 """ | |
| 21 Constructor | |
| 22 | |
| 23 @param parent reference to the parent widget (QWidget) | |
| 24 """ | |
| 25 super().__init__(parent) | |
| 26 | |
| 27 self.__menu = None | |
| 28 self.__image = None | |
| 29 | |
| 30 self.setFocusPolicy(Qt.FocusPolicy.NoFocus) | |
| 31 self.setCursor(Qt.CursorShape.ArrowCursor) | |
| 32 self.setMinimumSize(16, 16) | |
| 33 | |
| 34 self.clicked.connect(self.__clicked) | |
| 35 | |
| 36 def setMenu(self, menu): | |
| 37 """ | |
| 38 Public method to set the button menu. | |
| 39 | |
| 40 @param menu reference to the menu (QMenu) | |
| 41 """ | |
| 42 self.__menu = menu | |
| 43 self.update() | |
| 44 | |
| 45 def menu(self): | |
| 46 """ | |
| 47 Public method to get a reference to the menu. | |
| 48 | |
| 49 @return reference to the associated menu (QMenu) | |
| 50 """ | |
| 51 return self.__menu | |
| 52 | |
| 53 def setIcon(self, icon): | |
| 54 """ | |
| 55 Public method to set the button icon. | |
| 56 | |
| 57 @param icon icon to be set (QIcon) | |
| 58 """ | |
| 59 if icon.isNull(): | |
| 60 self.__image = None | |
| 61 else: | |
| 62 self.__image = icon.pixmap(16, 16).toImage() | |
| 63 super().setIcon(icon) | |
| 64 | |
| 65 def __clicked(self): | |
| 66 """ | |
| 67 Private slot to handle a button click. | |
| 68 """ | |
| 69 if self.__menu: | |
| 70 pos = self.mapToGlobal(QPoint(0, self.height())) | |
| 71 self.__menu.exec(pos) | |
| 72 | |
| 73 def paintEvent(self, evt): | |
| 74 """ | |
| 75 Protected method handling a paint event. | |
| 76 | |
| 77 @param evt reference to the paint event (QPaintEvent) | |
| 78 """ | |
| 79 painter = QPainter(self) | |
| 80 | |
| 81 if self.__image is not None and not self.__image.isNull(): | |
| 82 x = (self.width() - self.__image.width()) // 2 - 1 | |
| 83 y = (self.height() - self.__image.height()) // 2 - 1 | |
| 84 painter.drawImage(x, y, self.__image) | |
| 85 | |
| 86 if self.__menu is not None: | |
| 87 triagPath = QPainterPath() | |
| 88 startPos = QPointF(self.width() - 5, self.height() - 3) | |
| 89 triagPath.moveTo(startPos) | |
| 90 triagPath.lineTo(startPos.x() + 4, startPos.y()) | |
| 91 triagPath.lineTo(startPos.x() + 2, startPos.y() + 2) | |
| 92 triagPath.closeSubpath() | |
| 93 painter.setPen(Qt.GlobalColor.black) | |
| 94 painter.setBrush(Qt.GlobalColor.black) | |
| 95 painter.setRenderHint(QPainter.RenderHint.Antialiasing, False) | |
| 96 painter.drawPath(triagPath) |
