Mercurial Repositories > eric / file comparison
comparison: eric6/Helpviewer/HelpSearchWidget.py
eric6/Helpviewer/HelpSearchWidget.py
- changeset 6942
- 2602857055c5
- parent 6645
- ad476851d7e0
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| 6941:f99d60d6b59b | 6942:2602857055c5 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2009 - 2019 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a window for showing the QtHelp index. | |
| 8 """ | |
| 9 | |
| 10 from __future__ import unicode_literals | |
| 11 | |
| 12 from PyQt5.QtCore import pyqtSignal, pyqtSlot, Qt, QUrl | |
| 13 from PyQt5.QtWidgets import QWidget, QVBoxLayout, QTextBrowser, QApplication, \ | |
| 14 QMenu | |
| 15 | |
| 16 | |
| 17 class HelpSearchWidget(QWidget): | |
| 18 """ | |
| 19 Class implementing a window for showing the QtHelp index. | |
| 20 | |
| 21 @signal linkActivated(QUrl) emitted when a search result entry is activated | |
| 22 @signal escapePressed() emitted when the ESC key was pressed | |
| 23 """ | |
| 24 linkActivated = pyqtSignal(QUrl) | |
| 25 escapePressed = pyqtSignal() | |
| 26 | |
| 27 def __init__(self, engine, mainWindow, parent=None): | |
| 28 """ | |
| 29 Constructor | |
| 30 | |
| 31 @param engine reference to the help search engine (QHelpSearchEngine) | |
| 32 @param mainWindow reference to the main window object (QMainWindow) | |
| 33 @param parent reference to the parent widget (QWidget) | |
| 34 """ | |
| 35 super(HelpSearchWidget, self).__init__(parent) | |
| 36 | |
| 37 self.__engine = engine | |
| 38 self.__mw = mainWindow | |
| 39 | |
| 40 self.__layout = QVBoxLayout(self) | |
| 41 | |
| 42 self.__result = self.__engine.resultWidget() | |
| 43 self.__query = self.__engine.queryWidget() | |
| 44 | |
| 45 self.__layout.addWidget(self.__query) | |
| 46 self.__layout.addWidget(self.__result) | |
| 47 | |
| 48 self.setFocusProxy(self.__query) | |
| 49 | |
| 50 self.__query.search.connect(self.__search) | |
| 51 self.__result.requestShowLink.connect(self.__linkActivated) | |
| 52 | |
| 53 self.__engine.searchingStarted.connect(self.__searchingStarted) | |
| 54 self.__engine.searchingFinished.connect(self.__searchingFinished) | |
| 55 | |
| 56 self.__browser = self.__result.findChildren(QTextBrowser)[0] | |
| 57 | |
| 58 def __search(self): | |
| 59 """ | |
| 60 Private slot to perform a search of the database. | |
| 61 """ | |
| 62 query = self.__query.query() | |
| 63 self.__engine.search(query) | |
| 64 | |
| 65 def __searchingStarted(self): | |
| 66 """ | |
| 67 Private slot to handle the start of a search. | |
| 68 """ | |
| 69 QApplication.setOverrideCursor(Qt.WaitCursor) | |
| 70 | |
| 71 def __searchingFinished(self, hits): | |
| 72 """ | |
| 73 Private slot to handle the end of the search. | |
| 74 | |
| 75 @param hits number of hits (integer) (unused) | |
| 76 """ | |
| 77 QApplication.restoreOverrideCursor() | |
| 78 | |
| 79 @pyqtSlot(QUrl) | |
| 80 def __linkActivated(self, url): | |
| 81 """ | |
| 82 Private slot handling the activation of an entry. | |
| 83 | |
| 84 @param url URL of the activated entry | |
| 85 @type QUrl | |
| 86 """ | |
| 87 if not url.isEmpty() and url.isValid(): | |
| 88 buttons = QApplication.mouseButtons() | |
| 89 modifiers = QApplication.keyboardModifiers() | |
| 90 | |
| 91 if buttons & Qt.MidButton: | |
| 92 self.__mw.newTab(url) | |
| 93 else: | |
| 94 if modifiers & Qt.ControlModifier: | |
| 95 self.__mw.newTab(url) | |
| 96 else: | |
| 97 self.linkActivated.emit(url) | |
| 98 | |
| 99 def keyPressEvent(self, evt): | |
| 100 """ | |
| 101 Protected method handling key press events. | |
| 102 | |
| 103 @param evt reference to the key press event (QKeyEvent) | |
| 104 """ | |
| 105 if evt.key() == Qt.Key_Escape: | |
| 106 self.escapePressed.emit() | |
| 107 else: | |
| 108 evt.ignore() | |
| 109 | |
| 110 def contextMenuEvent(self, evt): | |
| 111 """ | |
| 112 Protected method handling context menu events. | |
| 113 | |
| 114 @param evt reference to the context menu event (QContextMenuEvent) | |
| 115 """ | |
| 116 point = evt.globalPos() | |
| 117 | |
| 118 if self.__browser: | |
| 119 point = self.__browser.mapFromGlobal(point) | |
| 120 if not self.__browser.rect().contains(point, True): | |
| 121 return | |
| 122 link = QUrl(self.__browser.anchorAt(point)) | |
| 123 else: | |
| 124 point = self.__result.mapFromGlobal(point) | |
| 125 link = self.__result.linkAt(point) | |
| 126 | |
| 127 if link.isEmpty() or not link.isValid(): | |
| 128 return | |
| 129 | |
| 130 menu = QMenu() | |
| 131 curTab = menu.addAction(self.tr("Open Link")) | |
| 132 newTab = menu.addAction(self.tr("Open Link in New Tab")) | |
| 133 menu.move(evt.globalPos()) | |
| 134 act = menu.exec_() | |
| 135 if act == curTab: | |
| 136 self.linkActivated.emit(link) | |
| 137 elif act == newTab: | |
| 138 self.__mw.newTab(link) |
