Mercurial Repositories > eric / file comparison
comparison: eric7/WebBrowser/QtHelp/HelpSearchWidget.py
eric7/WebBrowser/QtHelp/HelpSearchWidget.py
- branch
- eric7
- changeset 8312
- 800c432b34c8
- parent 8218
- 7c09585bd960
- child 8318
- 962bce857696
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deleted
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| 8311:4e8b98454baa | 8312:800c432b34c8 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2009 - 2021 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a window for showing the QtHelp index. | |
| 8 """ | |
| 9 | |
| 10 from PyQt5.QtCore import pyqtSignal, pyqtSlot, Qt, QUrl | |
| 11 from PyQt5.QtWidgets import ( | |
| 12 QWidget, QVBoxLayout, QTextBrowser, QApplication, QMenu | |
| 13 ) | |
| 14 | |
| 15 | |
| 16 class HelpSearchWidget(QWidget): | |
| 17 """ | |
| 18 Class implementing a window for showing the QtHelp index. | |
| 19 | |
| 20 @signal escapePressed() emitted when the ESC key was pressed | |
| 21 @signal openUrl(QUrl, str) emitted to open a search result entry in the | |
| 22 current tab | |
| 23 @signal newTab(QUrl, str) emitted to open a search result entry in a | |
| 24 new tab | |
| 25 @signal newBackgroundTab(QUrl, str) emitted to open a search result entry | |
| 26 in a new background tab | |
| 27 @signal newWindow(QUrl, str) emitted to open a search result entry in a | |
| 28 new window | |
| 29 """ | |
| 30 escapePressed = pyqtSignal() | |
| 31 openUrl = pyqtSignal(QUrl) | |
| 32 newTab = pyqtSignal(QUrl) | |
| 33 newBackgroundTab = pyqtSignal(QUrl) | |
| 34 newWindow = pyqtSignal(QUrl) | |
| 35 | |
| 36 def __init__(self, engine, parent=None): | |
| 37 """ | |
| 38 Constructor | |
| 39 | |
| 40 @param engine reference to the help search engine (QHelpSearchEngine) | |
| 41 @param parent reference to the parent widget (QWidget) | |
| 42 """ | |
| 43 super().__init__(parent) | |
| 44 | |
| 45 self.__engine = engine | |
| 46 | |
| 47 self.__layout = QVBoxLayout(self) | |
| 48 | |
| 49 self.__result = self.__engine.resultWidget() | |
| 50 self.__query = self.__engine.queryWidget() | |
| 51 | |
| 52 self.__layout.addWidget(self.__query) | |
| 53 self.__layout.addWidget(self.__result) | |
| 54 | |
| 55 self.setFocusProxy(self.__query) | |
| 56 | |
| 57 self.__query.search.connect(self.__search) | |
| 58 self.__result.requestShowLink.connect(self.__linkActivated) | |
| 59 | |
| 60 self.__engine.searchingStarted.connect(self.__searchingStarted) | |
| 61 self.__engine.searchingFinished.connect(self.__searchingFinished) | |
| 62 | |
| 63 self.__browser = self.__result.findChildren(QTextBrowser)[0] | |
| 64 | |
| 65 def __search(self): | |
| 66 """ | |
| 67 Private slot to perform a search of the database. | |
| 68 """ | |
| 69 query = self.__query.query() | |
| 70 self.__engine.search(query) | |
| 71 | |
| 72 def __searchingStarted(self): | |
| 73 """ | |
| 74 Private slot to handle the start of a search. | |
| 75 """ | |
| 76 QApplication.setOverrideCursor(Qt.CursorShape.WaitCursor) | |
| 77 | |
| 78 def __searchingFinished(self, hits): | |
| 79 """ | |
| 80 Private slot to handle the end of the search. | |
| 81 | |
| 82 @param hits number of hits (integer) (unused) | |
| 83 """ | |
| 84 QApplication.restoreOverrideCursor() | |
| 85 | |
| 86 @pyqtSlot(QUrl) | |
| 87 def __linkActivated(self, url): | |
| 88 """ | |
| 89 Private slot handling the activation of an entry. | |
| 90 | |
| 91 @param url URL of the activated entry | |
| 92 @type QUrl | |
| 93 """ | |
| 94 if not url.isEmpty() and url.isValid(): | |
| 95 buttons = QApplication.mouseButtons() | |
| 96 modifiers = QApplication.keyboardModifiers() | |
| 97 | |
| 98 if buttons & Qt.MouseButton.MidButton: | |
| 99 self.newTab.emit(url) | |
| 100 else: | |
| 101 if ( | |
| 102 modifiers & ( | |
| 103 Qt.KeyboardModifier.ControlModifier | | |
| 104 Qt.KeyboardModifier.ShiftModifier | |
| 105 ) == ( | |
| 106 Qt.KeyboardModifier.ControlModifier | | |
| 107 Qt.KeyboardModifier.ShiftModifier | |
| 108 ) | |
| 109 ): | |
| 110 self.newBackgroundTab.emit(url) | |
| 111 elif modifiers & Qt.KeyboardModifier.ControlModifier: | |
| 112 self.newTab.emit(url) | |
| 113 elif modifiers & Qt.KeyboardModifier.ShiftModifier: | |
| 114 self.newWindow.emit(url) | |
| 115 else: | |
| 116 self.openUrl.emit(url) | |
| 117 | |
| 118 def keyPressEvent(self, evt): | |
| 119 """ | |
| 120 Protected method handling key press events. | |
| 121 | |
| 122 @param evt reference to the key press event (QKeyEvent) | |
| 123 """ | |
| 124 if evt.key() == Qt.Key.Key_Escape: | |
| 125 self.escapePressed.emit() | |
| 126 else: | |
| 127 evt.ignore() | |
| 128 | |
| 129 def contextMenuEvent(self, evt): | |
| 130 """ | |
| 131 Protected method handling context menu events. | |
| 132 | |
| 133 @param evt reference to the context menu event (QContextMenuEvent) | |
| 134 """ | |
| 135 point = evt.globalPos() | |
| 136 | |
| 137 if self.__browser: | |
| 138 point = self.__browser.mapFromGlobal(point) | |
| 139 if not self.__browser.rect().contains(point, True): | |
| 140 return | |
| 141 link = QUrl(self.__browser.anchorAt(point)) | |
| 142 else: | |
| 143 point = self.__result.mapFromGlobal(point) | |
| 144 link = self.__result.linkAt(point) | |
| 145 | |
| 146 if link.isEmpty() or not link.isValid(): | |
| 147 return | |
| 148 | |
| 149 menu = QMenu() | |
| 150 curTab = menu.addAction(self.tr("Open Link")) | |
| 151 newTab = menu.addAction(self.tr("Open Link in New Tab")) | |
| 152 newBackgroundTab = menu.addAction( | |
| 153 self.tr("Open Link in Background Tab")) | |
| 154 newWindow = menu.addAction(self.tr("Open Link in New Window")) | |
| 155 menu.move(evt.globalPos()) | |
| 156 act = menu.exec() | |
| 157 if act == curTab: | |
| 158 self.openUrl.emit(link) | |
| 159 elif act == newTab: | |
| 160 self.newTab.emit(link) | |
| 161 elif act == newBackgroundTab: | |
| 162 self.newBackgroundTab.emit(link) | |
| 163 elif act == newWindow: | |
| 164 self.newWindow.emit(link) |
