Mercurial Repositories > eric / file comparison
comparison: E5Gui/E5LineEdit.py
E5Gui/E5LineEdit.py
- changeset 2206
- b2da5a8d7f15
- parent 2084
- d3f083dd0222
- child 2293
- ec6c1459f5b3
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| 2199:7b04e99460c4 | 2206:b2da5a8d7f15 |
|---|---|
| 9 | 9 |
| 10 from PyQt4.QtCore import pyqtSignal, Qt, QEvent, qVersion | 10 from PyQt4.QtCore import pyqtSignal, Qt, QEvent, qVersion |
| 11 from PyQt4.QtGui import QLineEdit, QStyle, QPainter, QPalette, QStyleOptionFrameV2, \ | 11 from PyQt4.QtGui import QLineEdit, QStyle, QPainter, QPalette, QStyleOptionFrameV2, \ |
| 12 QWidget, QHBoxLayout, QBoxLayout, QLayout, QApplication, QSpacerItem, QSizePolicy | 12 QWidget, QHBoxLayout, QBoxLayout, QLayout, QApplication, QSpacerItem, QSizePolicy |
| 13 | 13 |
| 14 | 14 from E5Gui.E5LineEditButton import E5LineEditButton |
| 15 class SideWidget(QWidget): | 15 |
| 16 import UI.PixmapCache | |
| 17 | |
| 18 | |
| 19 class E5LineEditSideWidget(QWidget): | |
| 16 """ | 20 """ |
| 17 Class implementing the side widgets for the line edit class. | 21 Class implementing the side widgets for the line edit class. |
| 18 """ | 22 """ |
| 19 sizeHintChanged = pyqtSignal() | 23 sizeHintChanged = pyqtSignal() |
| 20 | 24 |
| 59 if qVersion() < "4.7.0": | 63 if qVersion() < "4.7.0": |
| 60 self.__inactiveText = inactiveText | 64 self.__inactiveText = inactiveText |
| 61 else: | 65 else: |
| 62 self.setPlaceholderText(inactiveText) | 66 self.setPlaceholderText(inactiveText) |
| 63 | 67 |
| 64 self.__leftWidget = SideWidget(self) | 68 self.__leftWidget = E5LineEditSideWidget(self) |
| 65 self.__leftWidget.resize(0, 0) | 69 self.__leftWidget.resize(0, 0) |
| 66 self.__leftLayout = QHBoxLayout(self.__leftWidget) | 70 self.__leftLayout = QHBoxLayout(self.__leftWidget) |
| 67 self.__leftLayout.setContentsMargins(0, 0, 0, 0) | 71 self.__leftLayout.setContentsMargins(0, 0, 0, 0) |
| 68 if QApplication.isRightToLeft(): | 72 if QApplication.isRightToLeft(): |
| 69 self.__leftLayout.setDirection(QBoxLayout.RightToLeft) | 73 self.__leftLayout.setDirection(QBoxLayout.RightToLeft) |
| 70 else: | 74 else: |
| 71 self.__leftLayout.setDirection(QBoxLayout.LeftToRight) | 75 self.__leftLayout.setDirection(QBoxLayout.LeftToRight) |
| 72 self.__leftLayout.setSizeConstraint(QLayout.SetFixedSize) | 76 self.__leftLayout.setSizeConstraint(QLayout.SetFixedSize) |
| 73 | 77 |
| 74 self.__rightWidget = SideWidget(self) | 78 self.__rightWidget = E5LineEditSideWidget(self) |
| 75 self.__rightWidget.resize(0, 0) | 79 self.__rightWidget.resize(0, 0) |
| 76 self.__rightLayout = QHBoxLayout(self.__rightWidget) | 80 self.__rightLayout = QHBoxLayout(self.__rightWidget) |
| 77 self.__rightLayout.setContentsMargins(0, 0, 0, 0) | 81 self.__rightLayout.setContentsMargins(0, 0, 0, 0) |
| 78 if self.isRightToLeft(): | 82 if self.isRightToLeft(): |
| 79 self.__rightLayout.setDirection(QBoxLayout.RightToLeft) | 83 self.__rightLayout.setDirection(QBoxLayout.RightToLeft) |
| 259 if qVersion() < "4.7.0": | 263 if qVersion() < "4.7.0": |
| 260 self.__inactiveText = inactiveText | 264 self.__inactiveText = inactiveText |
| 261 self.update() | 265 self.update() |
| 262 else: | 266 else: |
| 263 self.setPlaceholderText(inactiveText) | 267 self.setPlaceholderText(inactiveText) |
| 268 | |
| 269 | |
| 270 class E5ClearableLineEdit(E5LineEdit): | |
| 271 """ | |
| 272 Class implementing a line edit widget showing some inactive text and a clear button, | |
| 273 if it has some contents. | |
| 274 """ | |
| 275 def __init__(self, parent=None, inactiveText="", side=E5LineEdit.RightSide): | |
| 276 """ | |
| 277 Constructor | |
| 278 | |
| 279 @param parent reference to the parent widget (QWidget) | |
| 280 @keyparam inactiveText text to be shown on inactivity (string) | |
| 281 @keyparam side side the clear button should be shown at (E5LineEdit.RightSide, | |
| 282 E5LineEdit.LeftSide) | |
| 283 """ | |
| 284 assert side in [E5LineEdit.RightSide, E5LineEdit.LeftSide] | |
| 285 | |
| 286 super().__init__(parent, inactiveText) | |
| 287 | |
| 288 self.__clearButton = E5LineEditButton(self) | |
| 289 self.__clearButton.setIcon(UI.PixmapCache.getIcon("clearLeft.png")) | |
| 290 self.addWidget(self.__clearButton, side) | |
| 291 self.__clearButton.setVisible(False) | |
| 292 | |
| 293 self.__clearButton.clicked[()].connect(self.clear) | |
| 294 self.textChanged.connect(self.__textChanged) | |
| 295 | |
| 296 def __textChanged(self, txt): | |
| 297 """ | |
| 298 Private slot to handle changes of the text. | |
| 299 | |
| 300 @param txt text (string) | |
| 301 """ | |
| 302 self.__clearButton.setVisible(txt != "") |
