Mercurial Repositories > eric / file comparison
comparison: eric7/HelpViewer/OpenPagesWidget.py
eric7/HelpViewer/OpenPagesWidget.py
- branch
- eric7
- changeset 8683
- e8a907801549
- parent 8680
- 85503ff2fce9
- child 8685
- b0669ce1066d
equal
deleted
inserted
replaced
| 8682:04e80d1aaebf | 8683:e8a907801549 |
|---|---|
| 5 | 5 |
| 6 """ | 6 """ |
| 7 Module implementing a widget showing the list of open pages. | 7 Module implementing a widget showing the list of open pages. |
| 8 """ | 8 """ |
| 9 | 9 |
| 10 from PyQt6.QtCore import pyqtSlot, pyqtSignal | 10 from PyQt6.QtCore import pyqtSlot, pyqtSignal, Qt, QPoint |
| 11 from PyQt6.QtGui import QGuiApplication, QClipboard | |
| 11 from PyQt6.QtWidgets import ( | 12 from PyQt6.QtWidgets import ( |
| 12 QWidget, QLabel, QListWidget, QListWidgetItem, QVBoxLayout, | 13 QWidget, QLabel, QListWidget, QVBoxLayout, QAbstractItemView, QMenu |
| 13 QAbstractItemView | |
| 14 ) | 14 ) |
| 15 | |
| 16 import UI.PixmapCache | |
| 15 | 17 |
| 16 | 18 |
| 17 class OpenPagesWidget(QWidget): | 19 class OpenPagesWidget(QWidget): |
| 18 """ | 20 """ |
| 19 Class implementing a widget showing the list of open pages. | 21 Class implementing a widget showing the list of open pages. |
| 31 @type QWidget (optional) | 33 @type QWidget (optional) |
| 32 """ | 34 """ |
| 33 super().__init__(parent) | 35 super().__init__(parent) |
| 34 self.setObjectName("OpenPagesWidget") | 36 self.setObjectName("OpenPagesWidget") |
| 35 | 37 |
| 38 self.__helpViewer = parent | |
| 39 | |
| 36 self.__layout = QVBoxLayout() | 40 self.__layout = QVBoxLayout() |
| 37 self.__layout.setContentsMargins(0, 0, 0, 0) | 41 self.__layout.setContentsMargins(0, 0, 0, 0) |
| 38 | 42 |
| 39 self.__title = QLabel(self.tr("Open Pages"), self) | 43 self.__title = QLabel(self.tr("Open Pages"), self) |
| 40 self.__layout.addWidget(self.__title) | 44 self.__layout.addWidget(self.__title) |
| 41 | 45 |
| 42 self.__openPagesList = QListWidget(self) | 46 self.__openPagesList = QListWidget(self) |
| 43 self.__openPagesList.setAlternatingRowColors(True) | 47 self.__openPagesList.setAlternatingRowColors(True) |
| 44 self.__openPagesList.setSelectionMode( | 48 self.__openPagesList.setSelectionMode( |
| 45 QAbstractItemView.SelectionMode.ExtendedSelection) | 49 QAbstractItemView.SelectionMode.SingleSelection) |
| 50 self.__openPagesList.setContextMenuPolicy( | |
| 51 Qt.ContextMenuPolicy.CustomContextMenu) | |
| 46 self.__openPagesList.currentRowChanged.connect( | 52 self.__openPagesList.currentRowChanged.connect( |
| 47 self.__currentRowChanged) | 53 self.__currentRowChanged) |
| 54 self.__openPagesList.customContextMenuRequested.connect( | |
| 55 self.__showContextMenu) | |
| 48 self.__layout.addWidget(self.__openPagesList) | 56 self.__layout.addWidget(self.__openPagesList) |
| 49 | 57 |
| 50 self.setLayout(self.__layout) | 58 self.setLayout(self.__layout) |
| 51 | 59 |
| 52 self.__stack = stack | 60 self.__stack = stack |
| 53 self.__stack.currentChanged.connect(self.__currentPageChanged) | 61 self.__stack.currentChanged.connect(self.__currentPageChanged) |
| 62 | |
| 63 self.__initContextMenu() | |
| 54 | 64 |
| 55 self.__defaultFont = self.__openPagesList.font() | 65 self.__defaultFont = self.__openPagesList.font() |
| 56 self.__boldFont = self.__openPagesList.font() | 66 self.__boldFont = self.__openPagesList.font() |
| 57 self.__boldFont.setBold(True) | 67 self.__boldFont.setBold(True) |
| 58 | 68 |
| 69 def __initContextMenu(self): | |
| 70 """ | |
| 71 Private method to initialize the context menu. | |
| 72 """ | |
| 73 self.__menu = QMenu(self) | |
| 74 self.__menu.addAction( | |
| 75 UI.PixmapCache.getIcon("tabClose"), | |
| 76 self.tr('Close'), self.__contextMenuClose) | |
| 77 self.closeOthersMenuAct = self.__menu.addAction( | |
| 78 UI.PixmapCache.getIcon("tabCloseOther"), | |
| 79 self.tr("Close Others"), | |
| 80 self.__contextMenuCloseOthers) | |
| 81 self.__menu.addAction( | |
| 82 self.tr('Close All'), self.__contextMenuCloseAll) | |
| 83 self.__menu.addSeparator() | |
| 84 self.__copyUrlAct = self.__menu.addAction( | |
| 85 self.tr("Copy URL to Clipboard"), | |
| 86 self.__contextMenuCopyUrlToClipboard) | |
| 87 | |
| 88 @pyqtSlot(QPoint) | |
| 89 def __showContextMenu(self, point): | |
| 90 """ | |
| 91 Private slot to handle the customContextMenuRequested signal of | |
| 92 the viewlist. | |
| 93 | |
| 94 @param point position to open the menu at | |
| 95 @type QPoint | |
| 96 """ | |
| 97 itm = self.__openPagesList.itemAt(point) | |
| 98 self.__copyUrlAct.setEnabled(itm and itm.text() != "about:blank") | |
| 99 self.__menu.popup(self.__openPagesList.mapToGlobal(point)) | |
| 100 | |
| 59 @pyqtSlot(int) | 101 @pyqtSlot(int) |
| 60 def __currentPageChanged(self, index): | 102 def __currentPageChanged(self, index): |
| 61 """ | 103 """ |
| 62 Private slot to handle a change of the shown page. | 104 Private slot to handle a change of the shown page. |
| 63 | 105 |
| 64 @param index index of the current page | 106 @param index index of the current page |
| 65 @type int | 107 @type int |
| 66 """ | 108 """ |
| 67 for row in range(self.__openPagesList.count()): | 109 for row in range(self.__openPagesList.count()): |
| 68 itm = self.__openPagesList.item(index) | 110 itm = self.__openPagesList.item(row) |
| 69 itm.setFont( | 111 itm.setFont( |
| 70 self.__boldFont if row == index else self.__defaultFont | 112 self.__boldFont if row == index else self.__defaultFont |
| 71 ) | 113 ) |
| 72 | 114 |
| 73 @pyqtSlot(int) | 115 @pyqtSlot(int) |
| 79 @type int | 121 @type int |
| 80 """ | 122 """ |
| 81 self.__stack.setCurrentIndex(row) | 123 self.__stack.setCurrentIndex(row) |
| 82 self.currentChanged.emit(row) | 124 self.currentChanged.emit(row) |
| 83 | 125 |
| 84 def addPage(self, viewer): | 126 def addPage(self, viewer, background=False): |
| 85 """ | 127 """ |
| 86 Public method to add a viewer page to our list. | 128 Public method to add a viewer page to our list. |
| 87 | 129 |
| 88 @param viewer reference to the viewer object | 130 @param viewer reference to the viewer object |
| 89 @type HelpViewerImpl | 131 @type HelpViewerImpl |
| 90 """ | 132 @param background flag indicating to not change the current page |
| 91 QListWidgetItem(viewer.title(), self.__openPagesList) | 133 (defaults to False) |
| 134 @type bool (optional) | |
| 135 """ | |
| 136 self.__openPagesList.addItem(viewer.title()) | |
| 92 viewer.titleChanged.connect( | 137 viewer.titleChanged.connect( |
| 93 lambda: self.__viewerTitleChanged(viewer)) | 138 lambda: self.__viewerTitleChanged(viewer)) |
| 94 | 139 |
| 95 self.__currentPageChanged(self.__openPagesList.count() - 1) | 140 if not background: |
| 141 self.__openPagesList.setCurrentRow( | |
| 142 self.__openPagesList.count() - 1) | |
| 143 if self.__openPagesList.count() == 1: | |
| 144 self.__currentPageChanged(0) | |
| 145 | |
| 146 def insertPage(self, index, viewer, background=False): | |
| 147 """ | |
| 148 Public method to insert a viewer page into our list. | |
| 149 | |
| 150 @param index index to insert at | |
| 151 @type int | |
| 152 @param viewer reference to the viewer object | |
| 153 @type HelpViewerImpl | |
| 154 @param background flag indicating to not change the current page | |
| 155 (defaults to False) | |
| 156 @type bool (optional) | |
| 157 """ | |
| 158 currentRow = self.__openPagesList.currentRow() | |
| 159 self.__openPagesList.insertItem(index, viewer.title()) | |
| 160 viewer.titleChanged.connect( | |
| 161 lambda: self.__viewerTitleChanged(viewer)) | |
| 162 | |
| 163 if not background: | |
| 164 self.__openPagesList.setCurrentRow(index) | |
| 165 else: | |
| 166 self.__openPagesList.setCurrentRow(currentRow) | |
| 96 | 167 |
| 97 def __viewerTitleChanged(self, viewer): | 168 def __viewerTitleChanged(self, viewer): |
| 98 """ | 169 """ |
| 99 Private method to handle the change of a viewer title. | 170 Private method to handle the change of a viewer title. |
| 100 | 171 |
| 103 """ | 174 """ |
| 104 index = self.__stack.indexOf(viewer) | 175 index = self.__stack.indexOf(viewer) |
| 105 itm = self.__openPagesList.item(index) | 176 itm = self.__openPagesList.item(index) |
| 106 itm.setText(viewer.title()) | 177 itm.setText(viewer.title()) |
| 107 self.currentChanged.emit(index) | 178 self.currentChanged.emit(index) |
| 179 | |
| 180 ####################################################################### | |
| 181 ## Context menu action methods | |
| 182 ####################################################################### | |
| 183 | |
| 184 @pyqtSlot() | |
| 185 def __contextMenuClose(self): | |
| 186 """ | |
| 187 Private slot to close a page. | |
| 188 """ | |
| 189 row = self.__openPagesList.currentRow() | |
| 190 self.__removeViewer(row) | |
| 191 | |
| 192 if self.__openPagesList.count() == 0: | |
| 193 self.__helpViewer.addPage() | |
| 194 | |
| 195 @pyqtSlot() | |
| 196 def __contextMenuCloseOthers(self): | |
| 197 """ | |
| 198 Private slot to close all other pages. | |
| 199 """ | |
| 200 currentRow = self.__openPagesList.currentRow() | |
| 201 for row in range(self.__openPagesList.count() - 1, -1, -1): | |
| 202 if row != currentRow: | |
| 203 self.__removeViewer(row) | |
| 204 | |
| 205 @pyqtSlot() | |
| 206 def __contextMenuCloseAll(self): | |
| 207 """ | |
| 208 Private slot to close all pages. | |
| 209 """ | |
| 210 while self.__openPagesList.count() != 0: | |
| 211 self.__removeViewer(0) | |
| 212 self.__helpViewer.addPage() | |
| 213 | |
| 214 @pyqtSlot() | |
| 215 def __contextMenuCopyUrlToClipboard(self): | |
| 216 """ | |
| 217 Private slot to copy the URL to the clipboard. | |
| 218 """ | |
| 219 row = self.__openPagesList.currentRow() | |
| 220 viewer = self.__stack.widget(row) | |
| 221 url = viewer.url() | |
| 222 if url.isValid(): | |
| 223 urlStr = url.toString() | |
| 224 | |
| 225 # copy the URL to both clipboard areas | |
| 226 QGuiApplication.clipboard().setText( | |
| 227 urlStr, QClipboard.Mode.Clipboard) | |
| 228 QGuiApplication.clipboard().setText( | |
| 229 urlStr, QClipboard.Mode.Selection) | |
| 230 | |
| 231 def __removeViewer(self, row): | |
| 232 """ | |
| 233 Private method to remove a viewer page. | |
| 234 | |
| 235 @param row row associated with the viewer | |
| 236 @type int | |
| 237 """ | |
| 238 viewer = self.__stack.widget(row) | |
| 239 self.__stack.removeWidget(viewer) | |
| 240 viewer.deleteLater() | |
| 241 | |
| 242 itm = self.__openPagesList.takeItem(row) | |
| 243 del itm |
