Mercurial Repositories > eric / file comparison
comparison: eric6/E5Gui/E5LineEdit.py
eric6/E5Gui/E5LineEdit.py
- branch
- maintenance
- changeset 8273
- 698ae46f40a4
- parent 8176
- 31965986ecd1
- parent 8268
- 6b8128e0c9d1
equal
deleted
inserted
replaced
| 8190:fb0ef164f536 | 8273:698ae46f40a4 |
|---|---|
| 4 # | 4 # |
| 5 | 5 |
| 6 """ | 6 """ |
| 7 Module implementing specialized line edits. | 7 Module implementing specialized line edits. |
| 8 """ | 8 """ |
| 9 | |
| 10 import enum | |
| 9 | 11 |
| 10 from PyQt5.QtCore import pyqtSignal, Qt, QEvent | 12 from PyQt5.QtCore import pyqtSignal, Qt, QEvent |
| 11 from PyQt5.QtWidgets import ( | 13 from PyQt5.QtWidgets import ( |
| 12 QLineEdit, QWidget, QHBoxLayout, QBoxLayout, QLayout, QApplication, | 14 QLineEdit, QWidget, QHBoxLayout, QBoxLayout, QLayout, QApplication, |
| 13 QSpacerItem, QSizePolicy | 15 QSpacerItem, QSizePolicy |
| 28 """ | 30 """ |
| 29 Constructor | 31 Constructor |
| 30 | 32 |
| 31 @param parent reference to the parent widget (QWidget) | 33 @param parent reference to the parent widget (QWidget) |
| 32 """ | 34 """ |
| 33 super(E5LineEditSideWidget, self).__init__(parent) | 35 super().__init__(parent) |
| 34 | 36 |
| 35 def event(self, evt): | 37 def event(self, evt): |
| 36 """ | 38 """ |
| 37 Public method to handle events. | 39 Public method to handle events. |
| 38 | 40 |
| 42 if evt.type() == QEvent.Type.LayoutRequest: | 44 if evt.type() == QEvent.Type.LayoutRequest: |
| 43 self.sizeHintChanged.emit() | 45 self.sizeHintChanged.emit() |
| 44 return QWidget.event(self, evt) | 46 return QWidget.event(self, evt) |
| 45 | 47 |
| 46 | 48 |
| 49 class E5LineEditSide(enum.Enum): | |
| 50 """ | |
| 51 Class defining the line edit sides. | |
| 52 """ | |
| 53 LEFT = 0 | |
| 54 RIGHT = 1 | |
| 55 | |
| 56 | |
| 47 class E5LineEdit(QLineEdit): | 57 class E5LineEdit(QLineEdit): |
| 48 """ | 58 """ |
| 49 Class implementing a line edit widget showing some inactive text. | 59 Class implementing a line edit widget showing some inactive text. |
| 50 """ | 60 """ |
| 51 LeftSide = 0 | |
| 52 RightSide = 1 | |
| 53 | |
| 54 def __init__(self, parent=None, inactiveText=""): | 61 def __init__(self, parent=None, inactiveText=""): |
| 55 """ | 62 """ |
| 56 Constructor | 63 Constructor |
| 57 | 64 |
| 58 @param parent reference to the parent widget (QWidget) | 65 @param parent reference to the parent widget (QWidget) |
| 59 @param inactiveText text to be shown on inactivity (string) | 66 @param inactiveText text to be shown on inactivity (string) |
| 60 """ | 67 """ |
| 61 super(E5LineEdit, self).__init__(parent) | 68 super().__init__(parent) |
| 62 | 69 |
| 63 self.setMinimumHeight(22) | 70 self.setMinimumHeight(22) |
| 64 | 71 |
| 65 self.setPlaceholderText(inactiveText) | 72 self.setPlaceholderText(inactiveText) |
| 66 | 73 |
| 149 | 156 |
| 150 def _updateTextMargins(self): | 157 def _updateTextMargins(self): |
| 151 """ | 158 """ |
| 152 Protected slot to update the text margins. | 159 Protected slot to update the text margins. |
| 153 """ | 160 """ |
| 154 if self.__leftMargin == 0: | 161 left = ( |
| 155 left = self.__leftWidget.sizeHint().width() | 162 self.__leftWidget.sizeHint().width() |
| 156 else: | 163 if self.__leftMargin == 0 else |
| 157 left = self.__leftMargin | 164 self.__leftMargin |
| 165 ) | |
| 158 right = self.__rightWidget.sizeHint().width() | 166 right = self.__rightWidget.sizeHint().width() |
| 159 top = 0 | 167 top = 0 |
| 160 bottom = 0 | 168 bottom = 0 |
| 161 self.setTextMargins(left, top, right, bottom) | 169 self.setTextMargins(left, top, right, bottom) |
| 162 | 170 |
| 163 def addWidget(self, widget, position): | 171 def addWidget(self, widget, position): |
| 164 """ | 172 """ |
| 165 Public method to add a widget to a side. | 173 Public method to add a widget to a side. |
| 166 | 174 |
| 167 @param widget reference to the widget to add (QWidget) | 175 @param widget reference to the widget to add |
| 168 @param position position to add to (E5LineEdit.LeftSide, | 176 @type QWidget |
| 169 E5LineEdit.RightSide) | 177 @param position position to add to |
| 178 @type E5LineEditSide | |
| 170 """ | 179 """ |
| 171 if widget is None: | 180 if widget is None: |
| 172 return | 181 return |
| 173 | 182 |
| 174 if self.isRightToLeft(): | 183 if self.isRightToLeft(): |
| 175 if position == self.LeftSide: | 184 if position == E5LineEditSide.LEFT: |
| 176 position = self.RightSide | 185 position = E5LineEditSide.RIGHT |
| 177 else: | 186 else: |
| 178 position = self.LeftSide | 187 position = E5LineEditSide.LEFT |
| 179 if position == self.LeftSide: | 188 if position == E5LineEditSide.LEFT: |
| 180 self.__leftLayout.addWidget(widget) | 189 self.__leftLayout.addWidget(widget) |
| 181 else: | 190 else: |
| 182 self.__rightLayout.insertWidget(1, widget) | 191 self.__rightLayout.insertWidget(1, widget) |
| 183 | 192 |
| 184 def removeWidget(self, widget): | 193 def removeWidget(self, widget): |
| 185 """ | 194 """ |
| 186 Public method to remove a widget from a side. | 195 Public method to remove a widget from a side. |
| 187 | 196 |
| 188 @param widget reference to the widget to remove (QWidget) | 197 @param widget reference to the widget to remove |
| 198 @type QWidget | |
| 189 """ | 199 """ |
| 190 if widget is None: | 200 if widget is None: |
| 191 return | 201 return |
| 192 | 202 |
| 193 self.__leftLayout.removeWidget(widget) | 203 self.__leftLayout.removeWidget(widget) |
| 214 | 224 |
| 215 def textMargin(self, position): | 225 def textMargin(self, position): |
| 216 """ | 226 """ |
| 217 Public method to get the text margin for a side. | 227 Public method to get the text margin for a side. |
| 218 | 228 |
| 219 @param position side to get margin for (E5LineEdit.LeftSide, | 229 @param position side to get margin for |
| 220 E5LineEdit.RightSide) | 230 @type E5LineEditSide |
| 221 @return text margin (integer) | 231 @return text margin |
| 232 @rtype int | |
| 222 """ | 233 """ |
| 223 spacing = self.__rightLayout.spacing() | 234 spacing = self.__rightLayout.spacing() |
| 224 w = 0 | 235 w = 0 |
| 225 if position == self.LeftSide: | 236 w = ( |
| 226 w = self.__leftWidget.sizeHint().width() | 237 self.__leftWidget.sizeHint().width() |
| 227 else: | 238 if position == E5LineEditSide.LEFT else |
| 228 w = self.__rightWidget.sizeHint().width() | 239 self.__rightWidget.sizeHint().width() |
| 240 ) | |
| 229 if w == 0: | 241 if w == 0: |
| 230 return 0 | 242 return 0 |
| 231 return w + spacing * 2 | 243 return w + spacing * 2 |
| 232 | 244 |
| 233 def inactiveText(self): | 245 def inactiveText(self): |
| 251 """ | 263 """ |
| 252 Class implementing a line edit widget showing some inactive text and a | 264 Class implementing a line edit widget showing some inactive text and a |
| 253 clear button, if it has some contents. | 265 clear button, if it has some contents. |
| 254 """ | 266 """ |
| 255 def __init__(self, parent=None, inactiveText="", | 267 def __init__(self, parent=None, inactiveText="", |
| 256 side=E5LineEdit.RightSide): | 268 side=E5LineEditSide.RIGHT): |
| 257 """ | 269 """ |
| 258 Constructor | 270 Constructor |
| 259 | 271 |
| 260 @param parent reference to the parent widget (QWidget) | 272 @param parent reference to the parent widget |
| 261 @param inactiveText text to be shown on inactivity (string) | 273 @type QWidget |
| 274 @param inactiveText text to be shown on inactivity | |
| 275 @type str | |
| 262 @param side side the clear button should be shown at | 276 @param side side the clear button should be shown at |
| 263 (E5LineEdit.RightSide, E5LineEdit.LeftSide) | 277 @type E5LineEditSide |
| 264 @exception ValueError raised to indicate a bad parameter value | 278 """ |
| 265 """ | 279 super().__init__(parent, inactiveText) |
| 266 if side not in [E5LineEdit.RightSide, E5LineEdit.LeftSide]: | |
| 267 raise ValueError("Bad value for 'side' parameter.") | |
| 268 | |
| 269 super(E5ClearableLineEdit, self).__init__(parent, inactiveText) | |
| 270 | 280 |
| 271 from E5Gui.E5LineEditButton import E5LineEditButton | 281 from E5Gui.E5LineEditButton import E5LineEditButton |
| 272 self.__clearButton = E5LineEditButton(self) | 282 self.__clearButton = E5LineEditButton(self) |
| 273 self.__clearButton.setIcon(UI.PixmapCache.getIcon("clearLeft")) | 283 self.__clearButton.setIcon(UI.PixmapCache.getIcon("clearLeft")) |
| 274 self.addWidget(self.__clearButton, side) | 284 self.addWidget(self.__clearButton, side) |
