Mercurial Repositories > eric / file comparison
comparison: eric7/HelpViewer/OpenPagesWidget.py
eric7/HelpViewer/OpenPagesWidget.py
- branch
- eric7-maintenance
- changeset 8941
- e1f6a9e53979
- parent 8898
- cf11386c25ec
equal
deleted
inserted
replaced
| 8897:a906ba97c1fe | 8941:e1f6a9e53979 |
|---|---|
| 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, Qt, QPoint | 10 from PyQt6.QtCore import pyqtSlot, pyqtSignal, Qt, QPoint |
| 11 from PyQt6.QtGui import QGuiApplication, QClipboard | 11 from PyQt6.QtGui import QGuiApplication, QClipboard |
| 12 from PyQt6.QtWidgets import ( | 12 from PyQt6.QtWidgets import QListWidget, QAbstractItemView, QMenu |
| 13 QWidget, QListWidget, QVBoxLayout, QAbstractItemView, QMenu | |
| 14 ) | |
| 15 | 13 |
| 16 import UI.PixmapCache | 14 import UI.PixmapCache |
| 17 | 15 |
| 18 | 16 |
| 19 class OpenPagesWidget(QWidget): | 17 class OpenPagesWidget(QListWidget): |
| 20 """ | 18 """ |
| 21 Class implementing a widget showing the list of open pages. | 19 Class implementing a widget showing the list of open pages. |
| 22 | 20 |
| 23 @signal currentChanged(index) emitted to signal a change of the current | 21 @signal currentPageChanged(index) emitted to signal a change of the current |
| 24 page index | 22 page index |
| 25 """ | 23 """ |
| 26 currentChanged = pyqtSignal(int) | 24 currentPageChanged = pyqtSignal(int) |
| 27 | 25 |
| 28 def __init__(self, stack, parent=None): | 26 def __init__(self, stack, parent=None): |
| 29 """ | 27 """ |
| 30 Constructor | 28 Constructor |
| 31 | 29 |
| 38 super().__init__(parent) | 36 super().__init__(parent) |
| 39 self.setObjectName("OpenPagesWidget") | 37 self.setObjectName("OpenPagesWidget") |
| 40 | 38 |
| 41 self.__helpViewer = parent | 39 self.__helpViewer = parent |
| 42 | 40 |
| 43 self.__layout = QVBoxLayout() | 41 self.setAlternatingRowColors(True) |
| 44 self.__layout.setContentsMargins(0, 0, 0, 0) | 42 self.setSelectionMode( |
| 45 | |
| 46 self.__openPagesList = QListWidget(self) | |
| 47 self.__openPagesList.setAlternatingRowColors(True) | |
| 48 self.__openPagesList.setSelectionMode( | |
| 49 QAbstractItemView.SelectionMode.SingleSelection) | 43 QAbstractItemView.SelectionMode.SingleSelection) |
| 50 self.__openPagesList.setContextMenuPolicy( | 44 self.setContextMenuPolicy( |
| 51 Qt.ContextMenuPolicy.CustomContextMenu) | 45 Qt.ContextMenuPolicy.CustomContextMenu) |
| 52 self.__openPagesList.currentRowChanged.connect( | 46 self.currentRowChanged.connect( |
| 53 self.__currentRowChanged) | 47 self.__currentRowChanged) |
| 54 self.__openPagesList.customContextMenuRequested.connect( | 48 self.customContextMenuRequested.connect( |
| 55 self.__showContextMenu) | 49 self.__showContextMenu) |
| 56 self.__layout.addWidget(self.__openPagesList) | |
| 57 | |
| 58 self.setLayout(self.__layout) | |
| 59 | 50 |
| 60 self.__stack = stack | 51 self.__stack = stack |
| 61 self.__stack.currentChanged.connect(self.__currentPageChanged) | 52 self.__stack.currentChanged.connect(self.__currentPageChanged) |
| 62 | 53 |
| 63 self.__initContextMenu() | 54 self.__initContextMenu() |
| 64 | 55 |
| 65 self.__defaultFont = self.__openPagesList.font() | 56 self.__defaultFont = self.font() |
| 66 self.__boldFont = self.__openPagesList.font() | 57 self.__boldFont = self.font() |
| 67 self.__boldFont.setBold(True) | 58 self.__boldFont.setBold(True) |
| 68 | 59 |
| 69 def __initContextMenu(self): | 60 def __initContextMenu(self): |
| 70 """ | 61 """ |
| 71 Private method to initialize the context menu. | 62 Private method to initialize the context menu. |
| 92 the viewlist. | 83 the viewlist. |
| 93 | 84 |
| 94 @param point position to open the menu at | 85 @param point position to open the menu at |
| 95 @type QPoint | 86 @type QPoint |
| 96 """ | 87 """ |
| 97 itm = self.__openPagesList.itemAt(point) | 88 itm = self.itemAt(point) |
| 98 self.__copyUrlAct.setEnabled(bool(itm) and itm.text() != "about:blank") | 89 self.__copyUrlAct.setEnabled(bool(itm) and itm.text() != "about:blank") |
| 99 self.closeOthersMenuAct.setEnabled(self.__openPagesList.count() > 1) | 90 self.closeOthersMenuAct.setEnabled(self.count() > 1) |
| 100 self.__menu.popup(self.__openPagesList.mapToGlobal(point)) | 91 self.__menu.popup(self.mapToGlobal(point)) |
| 101 | 92 |
| 102 @pyqtSlot(int) | 93 @pyqtSlot(int) |
| 103 def __currentPageChanged(self, index): | 94 def __currentPageChanged(self, index): |
| 104 """ | 95 """ |
| 105 Private slot to handle a change of the shown page. | 96 Private slot to handle a change of the shown page. |
| 106 | 97 |
| 107 @param index index of the current page | 98 @param index index of the current page |
| 108 @type int | 99 @type int |
| 109 """ | 100 """ |
| 110 for row in range(self.__openPagesList.count()): | 101 for row in range(self.count()): |
| 111 itm = self.__openPagesList.item(row) | 102 itm = self.item(row) |
| 112 itm.setFont( | 103 itm.setFont( |
| 113 self.__boldFont if row == index else self.__defaultFont | 104 self.__boldFont if row == index else self.__defaultFont |
| 114 ) | 105 ) |
| 115 | 106 |
| 116 @pyqtSlot(int) | 107 @pyqtSlot(int) |
| 120 | 111 |
| 121 @param row current row | 112 @param row current row |
| 122 @type int | 113 @type int |
| 123 """ | 114 """ |
| 124 self.__stack.setCurrentIndex(row) | 115 self.__stack.setCurrentIndex(row) |
| 125 self.currentChanged.emit(row) | 116 self.currentPageChanged.emit(row) |
| 126 | 117 |
| 127 def addPage(self, viewer, background=False): | 118 def addPage(self, viewer, background=False): |
| 128 """ | 119 """ |
| 129 Public method to add a viewer page to our list. | 120 Public method to add a viewer page to our list. |
| 130 | 121 |
| 132 @type HelpViewerImpl | 123 @type HelpViewerImpl |
| 133 @param background flag indicating to not change the current page | 124 @param background flag indicating to not change the current page |
| 134 (defaults to False) | 125 (defaults to False) |
| 135 @type bool (optional) | 126 @type bool (optional) |
| 136 """ | 127 """ |
| 137 self.__openPagesList.addItem(viewer.pageTitle()) | 128 self.addItem(viewer.pageTitle()) |
| 138 viewer.titleChanged.connect( | 129 viewer.titleChanged.connect( |
| 139 lambda: self.__viewerTitleChanged(viewer)) | 130 lambda: self.__viewerTitleChanged(viewer)) |
| 140 | 131 |
| 141 if not background: | 132 if not background: |
| 142 self.__openPagesList.setCurrentRow( | 133 self.setCurrentRow( |
| 143 self.__openPagesList.count() - 1) | 134 self.count() - 1) |
| 144 if self.__openPagesList.count() == 1: | 135 if self.count() == 1: |
| 145 self.__currentPageChanged(0) | 136 self.__currentPageChanged(0) |
| 146 | 137 |
| 147 def insertPage(self, index, viewer, background=False): | 138 def insertPage(self, index, viewer, background=False): |
| 148 """ | 139 """ |
| 149 Public method to insert a viewer page into our list. | 140 Public method to insert a viewer page into our list. |
| 154 @type HelpViewerImpl | 145 @type HelpViewerImpl |
| 155 @param background flag indicating to not change the current page | 146 @param background flag indicating to not change the current page |
| 156 (defaults to False) | 147 (defaults to False) |
| 157 @type bool (optional) | 148 @type bool (optional) |
| 158 """ | 149 """ |
| 159 currentRow = self.__openPagesList.currentRow() | 150 currentRow = self.currentRow() |
| 160 self.__openPagesList.insertItem(index, viewer.pageTitle()) | 151 self.insertItem(index, viewer.pageTitle()) |
| 161 viewer.titleChanged.connect( | 152 viewer.titleChanged.connect( |
| 162 lambda: self.__viewerTitleChanged(viewer)) | 153 lambda: self.__viewerTitleChanged(viewer)) |
| 163 | 154 |
| 164 if not background: | 155 if not background: |
| 165 self.__openPagesList.setCurrentRow(index) | 156 self.setCurrentRow(index) |
| 166 else: | 157 else: |
| 167 self.__openPagesList.setCurrentRow(currentRow) | 158 self.setCurrentRow(currentRow) |
| 168 | 159 |
| 169 def __viewerTitleChanged(self, viewer): | 160 def __viewerTitleChanged(self, viewer): |
| 170 """ | 161 """ |
| 171 Private method to handle the change of a viewer title. | 162 Private method to handle the change of a viewer title. |
| 172 | 163 |
| 173 @param viewer reference to the viewer that change title | 164 @param viewer reference to the viewer that change title |
| 174 @type HelpViewerImpl | 165 @type HelpViewerImpl |
| 175 """ | 166 """ |
| 176 index = self.__stack.indexOf(viewer) | 167 index = self.__stack.indexOf(viewer) |
| 177 itm = self.__openPagesList.item(index) | 168 itm = self.item(index) |
| 178 itm.setText(viewer.pageTitle()) | 169 itm.setText(viewer.pageTitle()) |
| 179 self.currentChanged.emit(index) | 170 self.currentPageChanged.emit(index) |
| 180 | 171 |
| 181 ####################################################################### | 172 ####################################################################### |
| 182 ## Context menu action methods | 173 ## Context menu action methods |
| 183 ####################################################################### | 174 ####################################################################### |
| 184 | 175 |
| 206 @pyqtSlot() | 197 @pyqtSlot() |
| 207 def __contextMenuCopyUrlToClipboard(self): | 198 def __contextMenuCopyUrlToClipboard(self): |
| 208 """ | 199 """ |
| 209 Private slot to copy the URL to the clipboard. | 200 Private slot to copy the URL to the clipboard. |
| 210 """ | 201 """ |
| 211 row = self.__openPagesList.currentRow() | 202 row = self.currentRow() |
| 212 viewer = self.__stack.widget(row) | 203 viewer = self.__stack.widget(row) |
| 213 url = viewer.link() | 204 url = viewer.link() |
| 214 if url.isValid(): | 205 if url.isValid(): |
| 215 urlStr = url.toString() | 206 urlStr = url.toString() |
| 216 | 207 |
| 229 """ | 220 """ |
| 230 viewer = self.__stack.widget(row) | 221 viewer = self.__stack.widget(row) |
| 231 self.__stack.removeWidget(viewer) | 222 self.__stack.removeWidget(viewer) |
| 232 viewer.deleteLater() | 223 viewer.deleteLater() |
| 233 | 224 |
| 234 itm = self.__openPagesList.takeItem(row) | 225 itm = self.takeItem(row) |
| 235 del itm | 226 del itm |
| 236 | 227 |
| 237 ####################################################################### | 228 ####################################################################### |
| 238 ## Slots for external access below | 229 ## Slots for external access below |
| 239 ####################################################################### | 230 ####################################################################### |
| 241 @pyqtSlot() | 232 @pyqtSlot() |
| 242 def closeCurrentPage(self): | 233 def closeCurrentPage(self): |
| 243 """ | 234 """ |
| 244 Public slot to close the current page. | 235 Public slot to close the current page. |
| 245 """ | 236 """ |
| 246 row = self.__openPagesList.currentRow() | 237 row = self.currentRow() |
| 247 self.__removeViewer(row) | 238 self.__removeViewer(row) |
| 248 | 239 |
| 249 if self.__openPagesList.count() == 0: | 240 if self.count() == 0: |
| 250 self.__helpViewer.addPage() | 241 self.__helpViewer.addPage() |
| 251 | 242 |
| 252 @pyqtSlot() | 243 @pyqtSlot() |
| 253 def closeOtherPages(self): | 244 def closeOtherPages(self): |
| 254 """ | 245 """ |
| 255 Public slot to close all other pages. | 246 Public slot to close all other pages. |
| 256 """ | 247 """ |
| 257 currentRow = self.__openPagesList.currentRow() | 248 currentRow = self.currentRow() |
| 258 for row in range(self.__openPagesList.count() - 1, -1, -1): | 249 for row in range(self.count() - 1, -1, -1): |
| 259 if row != currentRow: | 250 if row != currentRow: |
| 260 self.__removeViewer(row) | 251 self.__removeViewer(row) |
| 261 | 252 |
| 262 @pyqtSlot() | 253 @pyqtSlot() |
| 263 def closeAllPages(self): | 254 def closeAllPages(self): |
| 264 """ | 255 """ |
| 265 Public slot to close all pages. | 256 Public slot to close all pages. |
| 266 """ | 257 """ |
| 267 while self.__openPagesList.count() != 0: | 258 while self.count() != 0: |
| 268 self.__removeViewer(0) | 259 self.__removeViewer(0) |
| 269 self.__helpViewer.addPage() | 260 self.__helpViewer.addPage() |
