eric6/WebBrowser/UrlBar/UrlBar.py

changeset 6942
2602857055c5
parent 6645
ad476851d7e0
child 7192
a22eee00b052
diff -r f99d60d6b59b -r 2602857055c5 eric6/WebBrowser/UrlBar/UrlBar.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/eric6/WebBrowser/UrlBar/UrlBar.py	Sun Apr 14 15:09:21 2019 +0200
@@ -0,0 +1,414 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2010 - 2019 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing the URL bar widget.
+"""
+
+from __future__ import unicode_literals
+try:
+    str = unicode       # __IGNORE_EXCEPTION__
+except NameError:
+    pass
+
+from PyQt5.QtCore import pyqtSlot, Qt, QPointF, QUrl, QDateTime, QTimer, QPoint
+from PyQt5.QtGui import QColor, QPalette, QLinearGradient, QIcon
+from PyQt5.QtWidgets import QDialog, QApplication
+from PyQt5.QtWebEngineWidgets import QWebEnginePage
+
+from E5Gui.E5LineEdit import E5LineEdit
+from E5Gui.E5LineEditButton import E5LineEditButton
+
+from WebBrowser.WebBrowserWindow import WebBrowserWindow
+
+from WebBrowser.SafeBrowsing.SafeBrowsingLabel import SafeBrowsingLabel
+
+from .FavIconLabel import FavIconLabel
+
+import UI.PixmapCache
+import Preferences
+
+
+class UrlBar(E5LineEdit):
+    """
+    Class implementing a line edit for entering URLs.
+    """
+    def __init__(self, mainWindow, parent=None):
+        """
+        Constructor
+        
+        @param mainWindow reference to the main window (HelpWindow)
+        @param parent reference to the parent widget (HelpBrowser)
+        """
+        E5LineEdit.__init__(self, parent)
+        self.setInactiveText(self.tr("Enter the URL here."))
+        self.setWhatsThis(self.tr("Enter the URL here."))
+        
+        self.__mw = mainWindow
+        self.__browser = None
+        self.__privateMode = WebBrowserWindow.isPrivate()
+        
+        self.__bmActiveIcon = UI.PixmapCache.getIcon("bookmark16.png")
+        self.__bmInactiveIcon = QIcon(
+            self.__bmActiveIcon.pixmap(16, 16, QIcon.Disabled))
+        
+        self.__safeBrowsingLabel = SafeBrowsingLabel(self)
+        self.addWidget(self.__safeBrowsingLabel, E5LineEdit.LeftSide)
+        self.__safeBrowsingLabel.setVisible(False)
+        
+        self.__favicon = FavIconLabel(self)
+        self.addWidget(self.__favicon, E5LineEdit.LeftSide)
+        
+        self.__rssButton = E5LineEditButton(self)
+        self.__rssButton.setIcon(UI.PixmapCache.getIcon("rss16.png"))
+        self.addWidget(self.__rssButton, E5LineEdit.RightSide)
+        self.__rssButton.setVisible(False)
+        
+        self.__bookmarkButton = E5LineEditButton(self)
+        self.addWidget(self.__bookmarkButton, E5LineEdit.RightSide)
+        self.__bookmarkButton.setVisible(False)
+        
+        self.__clearButton = E5LineEditButton(self)
+        self.__clearButton.setIcon(UI.PixmapCache.getIcon("clearLeft.png"))
+        self.addWidget(self.__clearButton, E5LineEdit.RightSide)
+        self.__clearButton.setVisible(False)
+        
+        self.__safeBrowsingLabel.clicked.connect(self.__showThreatInfo)
+        self.__bookmarkButton.clicked.connect(self.__showBookmarkInfo)
+        self.__rssButton.clicked.connect(self.__rssClicked)
+        self.__clearButton.clicked.connect(self.clear)
+        self.textChanged.connect(self.__textChanged)
+        
+        self.__mw.bookmarksManager().entryChanged.connect(
+            self.__bookmarkChanged)
+        self.__mw.bookmarksManager().entryAdded.connect(
+            self.__bookmarkChanged)
+        self.__mw.bookmarksManager().entryRemoved.connect(
+            self.__bookmarkChanged)
+        self.__mw.speedDial().pagesChanged.connect(
+            self.__bookmarkChanged)
+    
+    def setBrowser(self, browser):
+        """
+        Public method to set the browser connection.
+        
+        @param browser reference to the browser widget (WebBrowserView)
+        """
+        self.__browser = browser
+        self.__favicon.setBrowser(browser)
+        
+        self.__browser.urlChanged.connect(self.__browserUrlChanged)
+        self.__browser.loadProgress.connect(self.update)
+        self.__browser.loadFinished.connect(self.__loadFinished)
+        self.__browser.loadStarted.connect(self.__loadStarted)
+        
+        self.__browser.safeBrowsingBad.connect(
+            self.__safeBrowsingLabel.setThreatInfo)
+    
+    def browser(self):
+        """
+        Public method to get the associated browser.
+       
+        @return reference to the associated browser (HelpBrowser)
+        """
+        return self.__browser
+    
+    def __browserUrlChanged(self, url):
+        """
+        Private slot to handle a URL change of the associated browser.
+        
+        @param url new URL of the browser (QUrl)
+        """
+        strUrl = url.toString()
+        if strUrl in ["eric:speeddial", "eric:home",
+                      "about:blank", "about:config"]:
+            strUrl = ""
+        
+        if self.text() != strUrl:
+            self.setText(strUrl)
+        self.setCursorPosition(0)
+    
+    def __loadStarted(self):
+        """
+        Private slot to perform actions before the page is loaded.
+        """
+        self.__bookmarkButton.setVisible(False)
+        self.__rssButton.setVisible(False)
+    
+    def __checkBookmark(self):
+        """
+        Private slot to check the current URL for the bookmarked state.
+        """
+        manager = self.__mw.bookmarksManager()
+        if manager.bookmarkForUrl(self.__browser.url()) is not None:
+            self.__bookmarkButton.setIcon(self.__bmActiveIcon)
+            bookmarks = manager.bookmarksForUrl(self.__browser.url())
+            from WebBrowser.Bookmarks.BookmarkNode import BookmarkNode
+            for bookmark in bookmarks:
+                manager.setTimestamp(bookmark, BookmarkNode.TsVisited,
+                                     QDateTime.currentDateTime())
+        elif self.__mw.speedDial()\
+                .pageForUrl(self.__browser.url()).url != "":
+            self.__bookmarkButton.setIcon(self.__bmActiveIcon)
+        else:
+            self.__bookmarkButton.setIcon(self.__bmInactiveIcon)
+    
+    def __loadFinished(self, ok):
+        """
+        Private slot to set some data after the page was loaded.
+        
+        @param ok flag indicating a successful load (boolean)
+        """
+        if self.__browser.url().scheme() in ["eric", "about"]:
+            self.__bookmarkButton.setVisible(False)
+        else:
+            self.__checkBookmark()
+            self.__bookmarkButton.setVisible(True)
+        
+        self.__browserUrlChanged(self.__browser.url())
+        self.__safeBrowsingLabel.setVisible(
+            not self.__browser.getSafeBrowsingStatus())
+        
+        if ok:
+            QTimer.singleShot(0, self.__setRssButton)
+    
+    def __textChanged(self, txt):
+        """
+        Private slot to handle changes of the text.
+        
+        @param txt current text (string)
+        """
+        self.__clearButton.setVisible(txt != "")
+    
+    def preferencesChanged(self):
+        """
+        Public slot to handle a change of preferences.
+        """
+        self.update()
+    
+    def __showBookmarkInfo(self):
+        """
+        Private slot to show a dialog with some bookmark info.
+        """
+        from .BookmarkActionSelectionDialog import \
+            BookmarkActionSelectionDialog
+        url = self.__browser.url()
+        dlg = BookmarkActionSelectionDialog(url)
+        if dlg.exec_() == QDialog.Accepted:
+            action = dlg.getAction()
+            if action == BookmarkActionSelectionDialog.AddBookmark:
+                self.__browser.addBookmark()
+            elif action == BookmarkActionSelectionDialog.EditBookmark:
+                bookmark = self.__mw.bookmarksManager()\
+                    .bookmarkForUrl(url)
+                from .BookmarkInfoDialog import BookmarkInfoDialog
+                dlg = BookmarkInfoDialog(bookmark, self.__browser)
+                dlg.exec_()
+            elif action == BookmarkActionSelectionDialog.AddSpeeddial:
+                self.__mw.speedDial().addPage(
+                    url, self.__browser.title())
+            elif action == BookmarkActionSelectionDialog.RemoveSpeeddial:
+                self.__mw.speedDial().removePage(url)
+    
+    @pyqtSlot()
+    def __bookmarkChanged(self):
+        """
+        Private slot to handle bookmark or speed dial changes.
+        """
+        self.__checkBookmark()
+    
+    def paintEvent(self, evt):
+        """
+        Protected method handling a paint event.
+        
+        @param evt reference to the paint event (QPaintEvent)
+        """
+        if self.__privateMode:
+            backgroundColor = QColor(220, 220, 220)     # light gray
+            foregroundColor = Qt.black
+        else:
+            backgroundColor = QApplication.palette().color(QPalette.Base)
+            foregroundColor = QApplication.palette().color(QPalette.Text)
+        
+        if self.__browser is not None:
+            p = self.palette()
+            progress = self.__browser.progress()
+            
+            if not self.__browser.getSafeBrowsingStatus():
+                # malicious web site
+                backgroundColor = QColor(170, 0, 0)
+                foregroundColor = QColor(Qt.white)
+            elif self.__browser.url().scheme() == "https":
+                backgroundColor = Preferences.getWebBrowser(
+                    "SaveUrlColor")
+            
+            if progress == 0 or progress == 100:
+                p.setBrush(QPalette.Base, backgroundColor)
+                p.setBrush(QPalette.Text, foregroundColor)
+            else:
+                highlight = QApplication.palette().color(QPalette.Highlight)
+                r = (highlight.red() + 2 * backgroundColor.red()) // 3
+                g = (highlight.green() + 2 * backgroundColor.green()) // 3
+                b = (highlight.blue() + 2 * backgroundColor.blue()) // 3
+                
+                loadingColor = QColor(r, g, b)
+                if abs(loadingColor.lightness() -
+                        backgroundColor.lightness()) < 20:
+                    # special handling for special color schemes (e.g Gaia)
+                    r = (2 * highlight.red() + backgroundColor.red()) // 3
+                    g = (2 * highlight.green() + backgroundColor.green()) // 3
+                    b = (2 * highlight.blue() + backgroundColor.blue()) // 3
+                    loadingColor = QColor(r, g, b)
+                
+                gradient = QLinearGradient(
+                    QPointF(0, 0), QPointF(self.width(), 0))
+                gradient.setColorAt(0, loadingColor)
+                gradient.setColorAt(progress / 100.0 - 0.000001, loadingColor)
+                gradient.setColorAt(progress / 100.0, backgroundColor)
+                p.setBrush(QPalette.Base, gradient)
+            
+            self.setPalette(p)
+        
+        E5LineEdit.paintEvent(self, evt)
+    
+    def focusOutEvent(self, evt):
+        """
+        Protected method to handle focus out event.
+        
+        @param evt reference to the focus event (QFocusEvent)
+        """
+        if self.text() == "" and self.__browser is not None:
+            self.__browserUrlChanged(self.__browser.url())
+        E5LineEdit.focusOutEvent(self, evt)
+    
+    def mousePressEvent(self, evt):
+        """
+        Protected method called by a mouse press event.
+        
+        @param evt reference to the mouse event (QMouseEvent)
+        """
+        if evt.button() == Qt.XButton1:
+            self.__mw.currentBrowser().triggerPageAction(
+                QWebEnginePage.Back)
+        elif evt.button() == Qt.XButton2:
+            self.__mw.currentBrowser().triggerPageAction(
+                QWebEnginePage.Forward)
+        else:
+            super(UrlBar, self).mousePressEvent(evt)
+    
+    def mouseDoubleClickEvent(self, evt):
+        """
+        Protected method to handle mouse double click events.
+        
+        @param evt reference to the mouse event (QMouseEvent)
+        """
+        if evt.button() == Qt.LeftButton:
+            self.selectAll()
+        else:
+            E5LineEdit.mouseDoubleClickEvent(self, evt)
+    
+    def keyPressEvent(self, evt):
+        """
+        Protected method to handle key presses.
+        
+        @param evt reference to the key press event (QKeyEvent)
+        """
+        if evt.key() == Qt.Key_Escape:
+            if self.__browser is not None:
+                self.setText(
+                    str(self.__browser.url().toEncoded(), encoding="utf-8"))
+                self.selectAll()
+            completer = self.completer()
+            if completer:
+                completer.popup().hide()
+            return
+        
+        currentText = self.text().strip()
+        if evt.key() in [Qt.Key_Enter, Qt.Key_Return] and \
+           not currentText.lower().startswith("http://"):
+            append = ""
+            if evt.modifiers() == Qt.KeyboardModifiers(Qt.ControlModifier):
+                append = ".com"
+            elif evt.modifiers() == Qt.KeyboardModifiers(
+                    Qt.ControlModifier | Qt.ShiftModifier):
+                append = ".org"
+            elif evt.modifiers() == Qt.KeyboardModifiers(Qt.ShiftModifier):
+                append = ".net"
+            
+            if append != "":
+                url = QUrl("http://www." + currentText)
+                host = url.host()
+                if not host.lower().endswith(append):
+                    host += append
+                    url.setHost(host)
+                    self.setText(url.toString())
+        
+        E5LineEdit.keyPressEvent(self, evt)
+    
+    def dragEnterEvent(self, evt):
+        """
+        Protected method to handle drag enter events.
+        
+        @param evt reference to the drag enter event (QDragEnterEvent)
+        """
+        mimeData = evt.mimeData()
+        if mimeData.hasUrls() or mimeData.hasText():
+            evt.acceptProposedAction()
+        
+        E5LineEdit.dragEnterEvent(self, evt)
+    
+    def dropEvent(self, evt):
+        """
+        Protected method to handle drop events.
+        
+        @param evt reference to the drop event (QDropEvent)
+        """
+        mimeData = evt.mimeData()
+        
+        url = QUrl()
+        if mimeData.hasUrls():
+            url = mimeData.urls()[0]
+        elif mimeData.hasText():
+            url = QUrl.fromEncoded(mimeData.text().encode("utf-8"),
+                                   QUrl.TolerantMode)
+        
+        if url.isEmpty() or not url.isValid():
+            E5LineEdit.dropEvent(self, evt)
+            return
+        
+        self.setText(str(url.toEncoded(), encoding="utf-8"))
+        self.selectAll()
+        
+        evt.acceptProposedAction()
+    
+    def __setRssButton(self):
+        """
+        Private slot to show the RSS button.
+        """
+        self.__rssButton.setVisible(self.__browser.checkRSS())
+    
+    def __rssClicked(self):
+        """
+        Private slot to handle clicking the RSS icon.
+        """
+        from WebBrowser.Feeds.FeedsDialog import FeedsDialog
+        feeds = self.__browser.getRSS()
+        dlg = FeedsDialog(feeds, self.__browser)
+        dlg.exec_()
+    
+    @pyqtSlot(QPoint)
+    def __showThreatInfo(self, pos):
+        """
+        Private slot to show the threat info widget.
+        
+        @param pos position to show the info at
+        @type QPoint
+        """
+        threatInfo = self.__safeBrowsingLabel.getThreatInfo()
+        if threatInfo:
+            from WebBrowser.SafeBrowsing.SafeBrowsingInfoWidget import \
+                SafeBrowsingInfoWidget
+            widget = SafeBrowsingInfoWidget(threatInfo, self.__browser)
+            widget.showAt(pos)

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