Mercurial Repositories > eric / file comparison
comparison: eric6/E5Gui/E5LineEditButton.py
eric6/E5Gui/E5LineEditButton.py
- changeset 6942
- 2602857055c5
- parent 6645
- ad476851d7e0
- child 7229
- 53054eb5b15a
equal
deleted
inserted
replaced
| 6941:f99d60d6b59b | 6942:2602857055c5 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2010 - 2019 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a button class to be used with E5LineEdit. | |
| 8 """ | |
| 9 | |
| 10 from __future__ import unicode_literals | |
| 11 | |
| 12 from PyQt5.QtCore import Qt, QPoint, QPointF | |
| 13 from PyQt5.QtGui import QPainter, QPainterPath | |
| 14 from PyQt5.QtWidgets import QAbstractButton | |
| 15 | |
| 16 | |
| 17 class E5LineEditButton(QAbstractButton): | |
| 18 """ | |
| 19 Class implementing a button to be used with E5LineEdit. | |
| 20 """ | |
| 21 def __init__(self, parent=None): | |
| 22 """ | |
| 23 Constructor | |
| 24 | |
| 25 @param parent reference to the parent widget (QWidget) | |
| 26 """ | |
| 27 super(E5LineEditButton, self).__init__(parent) | |
| 28 | |
| 29 self.__menu = None | |
| 30 self.__image = None | |
| 31 | |
| 32 self.setFocusPolicy(Qt.NoFocus) | |
| 33 self.setCursor(Qt.ArrowCursor) | |
| 34 self.setMinimumSize(16, 16) | |
| 35 | |
| 36 self.clicked.connect(self.__clicked) | |
| 37 | |
| 38 def setMenu(self, menu): | |
| 39 """ | |
| 40 Public method to set the button menu. | |
| 41 | |
| 42 @param menu reference to the menu (QMenu) | |
| 43 """ | |
| 44 self.__menu = menu | |
| 45 self.update() | |
| 46 | |
| 47 def menu(self): | |
| 48 """ | |
| 49 Public method to get a reference to the menu. | |
| 50 | |
| 51 @return reference to the associated menu (QMenu) | |
| 52 """ | |
| 53 return self.__menu | |
| 54 | |
| 55 def setIcon(self, icon): | |
| 56 """ | |
| 57 Public method to set the button icon. | |
| 58 | |
| 59 @param icon icon to be set (QIcon) | |
| 60 """ | |
| 61 if icon.isNull(): | |
| 62 self.__image = None | |
| 63 else: | |
| 64 self.__image = icon.pixmap(16, 16).toImage() | |
| 65 super(E5LineEditButton, self).setIcon(icon) | |
| 66 | |
| 67 def __clicked(self): | |
| 68 """ | |
| 69 Private slot to handle a button click. | |
| 70 """ | |
| 71 if self.__menu: | |
| 72 pos = self.mapToGlobal(QPoint(0, self.height())) | |
| 73 self.__menu.exec_(pos) | |
| 74 | |
| 75 def paintEvent(self, evt): | |
| 76 """ | |
| 77 Protected method handling a paint event. | |
| 78 | |
| 79 @param evt reference to the paint event (QPaintEvent) | |
| 80 """ | |
| 81 painter = QPainter(self) | |
| 82 | |
| 83 if self.__image is not None and not self.__image.isNull(): | |
| 84 x = (self.width() - self.__image.width()) // 2 - 1 | |
| 85 y = (self.height() - self.__image.height()) // 2 - 1 | |
| 86 painter.drawImage(x, y, self.__image) | |
| 87 | |
| 88 if self.__menu is not None: | |
| 89 triagPath = QPainterPath() | |
| 90 startPos = QPointF(self.width() - 5, self.height() - 3) | |
| 91 triagPath.moveTo(startPos) | |
| 92 triagPath.lineTo(startPos.x() + 4, startPos.y()) | |
| 93 triagPath.lineTo(startPos.x() + 2, startPos.y() + 2) | |
| 94 triagPath.closeSubpath() | |
| 95 painter.setPen(Qt.black) | |
| 96 painter.setBrush(Qt.black) | |
| 97 painter.setRenderHint(QPainter.Antialiasing, False) | |
| 98 painter.drawPath(triagPath) |
