Mercurial Repositories > eric / file comparison
comparison: Helpviewer/UrlBar/UrlBar.py
Helpviewer/UrlBar/UrlBar.py
- changeset 653
- 0540f3c52b46
- child 657
- 099d1ab9073e
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| 651:e8020b9ac2b9 | 653:0540f3c52b46 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2010 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing the URL bar widget. | |
| 8 """ | |
| 9 | |
| 10 from PyQt4.QtCore import Qt, QPointF, QUrl | |
| 11 from PyQt4.QtGui import QColor, QPalette, QApplication, QLinearGradient | |
| 12 from PyQt4.QtWebKit import QWebSettings | |
| 13 | |
| 14 from E5Gui.E5LineEdit import E5LineEdit | |
| 15 from E5Gui.E5LineEditButton import E5LineEditButton | |
| 16 | |
| 17 from .FavIconLabel import FavIconLabel | |
| 18 | |
| 19 import UI.PixmapCache | |
| 20 import Preferences | |
| 21 | |
| 22 class UrlBar(E5LineEdit): | |
| 23 """ | |
| 24 Class implementing a line edit for entering URLs. | |
| 25 """ | |
| 26 def __init__(self, mainWindow, parent = None): | |
| 27 """ | |
| 28 Constructor | |
| 29 | |
| 30 @param mainWindow reference to the main window (HelpWindow) | |
| 31 @param parent reference to the parent widget (HelpBrowser) | |
| 32 """ | |
| 33 E5LineEdit.__init__(self, parent) | |
| 34 self.setInactiveText(self.trUtf8("Enter the location here.")) | |
| 35 | |
| 36 self.__mw = mainWindow | |
| 37 self.__browser = None | |
| 38 self.__privateMode = QWebSettings.globalSettings().testAttribute( | |
| 39 QWebSettings.PrivateBrowsingEnabled) | |
| 40 | |
| 41 self.__favicon = FavIconLabel(self) | |
| 42 self.addWidget(self.__favicon, E5LineEdit.LeftSide) | |
| 43 | |
| 44 self.__privacyButton = E5LineEditButton(self) | |
| 45 self.__privacyButton.setIcon(UI.PixmapCache.getIcon("privateBrowsing.png")) | |
| 46 self.addWidget(self.__privacyButton, E5LineEdit.RightSide) | |
| 47 self.__privacyButton.setVisible(self.__privateMode) | |
| 48 | |
| 49 self.__clearButton = E5LineEditButton(self) | |
| 50 self.__clearButton.setIcon(UI.PixmapCache.getIcon("clearLeft.png")) | |
| 51 self.addWidget(self.__clearButton, E5LineEdit.RightSide) | |
| 52 self.__clearButton.setVisible(False) | |
| 53 | |
| 54 self.__privacyButton.clicked[()].connect(self.__privacyClicked) | |
| 55 self.__clearButton.clicked[()].connect(self.clear) | |
| 56 self.__mw.privacyChanged.connect(self.__privacyButton.setVisible) | |
| 57 self.textChanged.connect(self.__textChanged) | |
| 58 | |
| 59 def setBrowser(self, browser): | |
| 60 """ | |
| 61 Public method to set the browser connection. | |
| 62 | |
| 63 @param browser reference to the browser widegt (HelpBrowser) | |
| 64 """ | |
| 65 self.__browser = browser | |
| 66 self.__favicon.setBrowser(browser) | |
| 67 | |
| 68 self.__browser.urlChanged.connect(self.__browserUrlChanged) | |
| 69 self.__browser.loadProgress.connect(self.update) | |
| 70 | |
| 71 def browser(self): | |
| 72 """ | |
| 73 Public method to get the associated browser (HelpBrowser) | |
| 74 """ | |
| 75 return self.__browser | |
| 76 | |
| 77 def __browserUrlChanged(self, url): | |
| 78 """ | |
| 79 Private slot to handle a URL change of the associated browser. | |
| 80 | |
| 81 @param url new URL of the browser (QUrl) | |
| 82 """ | |
| 83 self.setText(str(url.toEncoded(), encoding = "utf-8")) | |
| 84 self.setCursorPosition(0) | |
| 85 | |
| 86 def setPrivateMode(self, on): | |
| 87 """ | |
| 88 Public method to set the private mode. | |
| 89 | |
| 90 @param on flag indicating the privacy state (boolean) | |
| 91 """ | |
| 92 self.__privateMode = on | |
| 93 self.__privacyButton.setVisible(on) | |
| 94 | |
| 95 def __privacyClicked(self): | |
| 96 """ | |
| 97 Private slot to handle the click of the private mode button. | |
| 98 """ | |
| 99 self.__mw.setPrivateMode(False) | |
| 100 | |
| 101 def __textChanged(self, txt): | |
| 102 """ | |
| 103 Private slot to handle changes of the text. | |
| 104 | |
| 105 @param txt current text (string) | |
| 106 """ | |
| 107 self.__clearButton.setVisible(txt != "") | |
| 108 | |
| 109 def preferencesChanged(self): | |
| 110 """ | |
| 111 Public slot to handle a change of preferences. | |
| 112 """ | |
| 113 self.update() | |
| 114 | |
| 115 def paintEvent(self, evt): | |
| 116 """ | |
| 117 Protected method handling a paint event. | |
| 118 | |
| 119 @param evt reference to the paint event (QPaintEvent) | |
| 120 """ | |
| 121 if self.__privateMode: | |
| 122 backgroundColor = QColor(220, 220, 220) # light gray | |
| 123 foregroundColor = Qt.black | |
| 124 else: | |
| 125 backgroundColor = QApplication.palette().color(QPalette.Base) | |
| 126 foregroundColor = QApplication.palette().color(QPalette.Text) | |
| 127 | |
| 128 if self.__browser is not None: | |
| 129 p = self.palette() | |
| 130 progress = self.__browser.progress() | |
| 131 if progress == 0: | |
| 132 if self.__browser.url().scheme() == "https": | |
| 133 backgroundColor = Preferences.getHelp("SaveUrlColor") | |
| 134 p.setBrush(QPalette.Base, backgroundColor); | |
| 135 p.setBrush(QPalette.Text, foregroundColor); | |
| 136 else: | |
| 137 if self.__browser.url().scheme() == "https": | |
| 138 backgroundColor = Preferences.getHelp("SaveUrlColor") | |
| 139 highlight = QApplication.palette().color(QPalette.Highlight) | |
| 140 r = (highlight.red() + 2 * backgroundColor.red()) // 3 | |
| 141 g = (highlight.green() + 2 * backgroundColor.green()) // 3 | |
| 142 b = (highlight.blue() + 2 * backgroundColor.blue()) // 3 | |
| 143 | |
| 144 loadingColor = QColor(r, g, b) | |
| 145 if abs(loadingColor.lightness() - backgroundColor.lightness()) < 20: | |
| 146 # special handling for special color schemes (e.g Gaia) | |
| 147 r = (2 * highlight.red() + backgroundColor.red()) // 3 | |
| 148 g = (2 * highlight.green() + backgroundColor.green()) // 3 | |
| 149 b = (2 * highlight.blue() + backgroundColor.blue()) // 3 | |
| 150 loadingColor = QColor(r, g, b) | |
| 151 | |
| 152 gradient = QLinearGradient(QPointF(0, 0), QPointF(self.width(), 0)) | |
| 153 gradient.setColorAt(0, loadingColor) | |
| 154 gradient.setColorAt(progress / 100 - 0.000001, loadingColor) | |
| 155 gradient.setColorAt(progress / 100, backgroundColor) | |
| 156 p.setBrush(QPalette.Base, gradient) | |
| 157 | |
| 158 self.setPalette(p) | |
| 159 | |
| 160 E5LineEdit.paintEvent(self, evt) | |
| 161 | |
| 162 def focusOutEvent(self, evt): | |
| 163 """ | |
| 164 Protected method to handle focus out event. | |
| 165 | |
| 166 @param evt reference to the focus event (QFocusEvent) | |
| 167 """ | |
| 168 if self.text() == "" and self.__browser is not None: | |
| 169 self.__browserUrlChanged(self.__browser.url()) | |
| 170 E5LineEdit.focusOutEvent(self, evt) | |
| 171 | |
| 172 def mouseDoubleClickEvent(self, evt): | |
| 173 """ | |
| 174 Protected method to handle mouse double click events. | |
| 175 | |
| 176 @param evt reference to the mouse event (QMouseEvent) | |
| 177 """ | |
| 178 if evt.button() == Qt.LeftButton: | |
| 179 self.selectAll() | |
| 180 else: | |
| 181 E5LineEdit.mouseDoubleClickEvent(self, evt) | |
| 182 | |
| 183 def keyPressEvent(self, evt): | |
| 184 """ | |
| 185 Protected method to handle key presses. | |
| 186 | |
| 187 @param evt reference to the key press event (QKeyEvent) | |
| 188 """ | |
| 189 if evt.key() == Qt.Key_Escape and self.__browser is not None: | |
| 190 self.setText(str(self.__browser.url().toEncoded(), encoding = "utf-8")) | |
| 191 self.selectAll() | |
| 192 return | |
| 193 | |
| 194 currentText = self.text().strip() | |
| 195 if evt.key() in [Qt.Key_Enter, Qt.Key_Return] and \ | |
| 196 not currentText.lower().startswith("http://"): | |
| 197 append = "" | |
| 198 if evt.modifiers() == Qt.KeyboardModifiers(Qt.ControlModifier): | |
| 199 append = ".com" | |
| 200 elif evt.modifiers() == \ | |
| 201 Qt.KeyboardModifiers(Qt.ControlModifier | Qt.ShiftModifier): | |
| 202 append = ".org" | |
| 203 elif evt.modifiers() == Qt.KeyboardModifiers(Qt.ShiftModifier): | |
| 204 append = ".net" | |
| 205 | |
| 206 if append != "": | |
| 207 url = QUrl("http://www." + currentText) | |
| 208 host = url.host() | |
| 209 if not host.lower().endswith(append): | |
| 210 host += append | |
| 211 url.setHost(host) | |
| 212 self.setText(url.toString()) | |
| 213 | |
| 214 E5LineEdit.keyPressEvent(self, evt) | |
| 215 | |
| 216 def dragEnterEvent(self, evt): | |
| 217 """ | |
| 218 Protected method to handle drag enter events. | |
| 219 | |
| 220 @param evt reference to the drag enter event (QDragEnterEvent) | |
| 221 """ | |
| 222 mimeData = evt.mimeData() | |
| 223 if mimeData.hasUrls() or mimeData.hasText(): | |
| 224 evt.acceptProposedAction() | |
| 225 | |
| 226 E5LineEdit.dragEnterEvent(self, evt) | |
| 227 | |
| 228 def dropEvent(self, evt): | |
| 229 """ | |
| 230 Protected method to handle drop events. | |
| 231 | |
| 232 @param evt reference to the drop event (QDropEvent) | |
| 233 """ | |
| 234 mimeData = evt.mimeData() | |
| 235 | |
| 236 url = QUrl() | |
| 237 if mimeData.hasUrls(): | |
| 238 url = mimeData.urls()[0] | |
| 239 elif mimeData.hasText(): | |
| 240 url = QUrl.fromEncoded(mimeData.text().encode(), QUrl.TolerantMode) | |
| 241 | |
| 242 if url.isEmpty() or not url.isValid(): | |
| 243 E5LineEdit.dropEvent(self, evt) | |
| 244 return | |
| 245 | |
| 246 self.setText(str(url.toEncoded(), encoding = "utf-8")) | |
| 247 self.selectAll() | |
| 248 | |
| 249 evt.acceptProposedAction() |
