Mercurial Repositories > eric / file comparison
comparison: WebBrowser/WebBrowserTabBar.py
WebBrowser/WebBrowserTabBar.py
- branch
- QtWebEngine
- changeset 4713
- 8dca047daf4b
- parent 4631
- 5c1a96925da4
- child 4715
- 79009bc4acd5
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| 4711:0a9162801b8d | 4713:8dca047daf4b |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2010 - 2016 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a specialized tab bar for the web browser. | |
| 8 """ | |
| 9 | |
| 10 from __future__ import unicode_literals | |
| 11 | |
| 12 from PyQt5.QtCore import Qt, QPoint, QTimer, QEvent | |
| 13 from PyQt5.QtWidgets import QFrame, QLabel | |
| 14 | |
| 15 from E5Gui.E5TabWidget import E5WheelTabBar | |
| 16 from E5Gui.E5PassivePopup import E5PassivePopup | |
| 17 | |
| 18 import Preferences | |
| 19 | |
| 20 | |
| 21 class WebBrowserTabBar(E5WheelTabBar): | |
| 22 """ | |
| 23 Class implementing the tab bar of the web browser. | |
| 24 """ | |
| 25 def __init__(self, parent=None): | |
| 26 """ | |
| 27 Constructor | |
| 28 | |
| 29 @param parent reference to the parent widget (WebBrowserTabWidget) | |
| 30 """ | |
| 31 super(WebBrowserTabBar, self).__init__(parent) | |
| 32 | |
| 33 self.__tabWidget = parent | |
| 34 | |
| 35 self.__previewPopup = None | |
| 36 self.__currentTabPreviewIndex = -1 | |
| 37 | |
| 38 self.setMouseTracking(True) | |
| 39 | |
| 40 def __showTabPreview(self): | |
| 41 """ | |
| 42 Private slot to show the tab preview. | |
| 43 """ | |
| 44 pass | |
| 45 # TODO: page preview | |
| 46 ## indexedBrowser = self.__tabWidget.browserAt( | |
| 47 ## self.__currentTabPreviewIndex) | |
| 48 ## currentBrowser = self.__tabWidget.currentBrowser() | |
| 49 ## | |
| 50 ## if indexedBrowser is None or currentBrowser is None: | |
| 51 ## return | |
| 52 ## | |
| 53 ## # no previews during load | |
| 54 ## if indexedBrowser.progress() != 0: | |
| 55 ## return | |
| 56 ## | |
| 57 ## w = self.tabSizeHint(self.__currentTabPreviewIndex).width() | |
| 58 ## h = int(w * currentBrowser.height() / currentBrowser.width()) | |
| 59 ## | |
| 60 ## self.__previewPopup = E5PassivePopup(self) | |
| 61 ## self.__previewPopup.setFrameShape(QFrame.StyledPanel) | |
| 62 ## self.__previewPopup.setFrameShadow(QFrame.Plain) | |
| 63 ## self.__previewPopup.setFixedSize(w, h) | |
| 64 ## | |
| 65 ## from .HelpSnap import renderTabPreview | |
| 66 ## label = QLabel() | |
| 67 ## label.setPixmap(renderTabPreview(indexedBrowser.page(), w, h)) | |
| 68 ## | |
| 69 ## self.__previewPopup.setView(label) | |
| 70 ## self.__previewPopup.layout().setAlignment(Qt.AlignTop) | |
| 71 ## self.__previewPopup.layout().setContentsMargins(0, 0, 0, 0) | |
| 72 ## | |
| 73 ## tr = self.tabRect(self.__currentTabPreviewIndex) | |
| 74 ## pos = QPoint(tr.x(), tr.y() + tr.height()) | |
| 75 ## | |
| 76 ## self.__previewPopup.show(self.mapToGlobal(pos)) | |
| 77 | |
| 78 def mouseMoveEvent(self, evt): | |
| 79 """ | |
| 80 Protected method to handle mouse move events. | |
| 81 | |
| 82 @param evt reference to the mouse move event (QMouseEvent) | |
| 83 """ | |
| 84 if self.count() == 1: | |
| 85 return | |
| 86 | |
| 87 E5WheelTabBar.mouseMoveEvent(self, evt) | |
| 88 | |
| 89 # TODO: page preview | |
| 90 ## if Preferences.getHelp("ShowPreview"): | |
| 91 ## # Find the tab under the mouse | |
| 92 ## i = 0 | |
| 93 ## tabIndex = -1 | |
| 94 ## while i < self.count() and tabIndex == -1: | |
| 95 ## if self.tabRect(i).contains(evt.pos()): | |
| 96 ## tabIndex = i | |
| 97 ## i += 1 | |
| 98 ## | |
| 99 ## # If found and not the current tab then show tab preview | |
| 100 ## if tabIndex != -1 and \ | |
| 101 ## tabIndex != self.currentIndex() and \ | |
| 102 ## self.__currentTabPreviewIndex != tabIndex and \ | |
| 103 ## evt.buttons() == Qt.NoButton: | |
| 104 ## self.__currentTabPreviewIndex = tabIndex | |
| 105 ## QTimer.singleShot(200, self.__showTabPreview) | |
| 106 ## | |
| 107 ## # If current tab or not found then hide previous tab preview | |
| 108 ## if tabIndex == self.currentIndex() or \ | |
| 109 ## tabIndex == -1: | |
| 110 ## if self.__previewPopup is not None: | |
| 111 ## self.__previewPopup.hide() | |
| 112 ## self.__currentTabPreviewIndex = -1 | |
| 113 | |
| 114 def leaveEvent(self, evt): | |
| 115 """ | |
| 116 Protected method to handle leave events. | |
| 117 | |
| 118 @param evt reference to the leave event (QEvent) | |
| 119 """ | |
| 120 # TODO: page preview | |
| 121 ## if Preferences.getHelp("ShowPreview"): | |
| 122 ## # If leave tabwidget then hide previous tab preview | |
| 123 ## if self.__previewPopup is not None: | |
| 124 ## self.__previewPopup.hide() | |
| 125 ## self.__currentTabPreviewIndex = -1 | |
| 126 | |
| 127 E5WheelTabBar.leaveEvent(self, evt) | |
| 128 | |
| 129 def mousePressEvent(self, evt): | |
| 130 """ | |
| 131 Protected method to handle mouse press events. | |
| 132 | |
| 133 @param evt reference to the mouse press event (QMouseEvent) | |
| 134 """ | |
| 135 # TODO: page preview | |
| 136 ## if Preferences.getHelp("ShowPreview"): | |
| 137 ## if self.__previewPopup is not None: | |
| 138 ## self.__previewPopup.hide() | |
| 139 ## self.__currentTabPreviewIndex = -1 | |
| 140 | |
| 141 E5WheelTabBar.mousePressEvent(self, evt) | |
| 142 | |
| 143 def event(self, evt): | |
| 144 """ | |
| 145 Public method to handle event. | |
| 146 | |
| 147 This event handler just handles the tooltip event and passes the | |
| 148 handling of all others to the superclass. | |
| 149 | |
| 150 @param evt reference to the event to be handled (QEvent) | |
| 151 @return flag indicating, if the event was handled (boolean) | |
| 152 """ | |
| 153 # TODO: page preview | |
| 154 ## if evt.type() == QEvent.ToolTip and \ | |
| 155 ## Preferences.getHelp("ShowPreview"): | |
| 156 ## # suppress tool tips if we are showing previews | |
| 157 ## evt.setAccepted(True) | |
| 158 ## return True | |
| 159 | |
| 160 return E5WheelTabBar.event(self, evt) | |
| 161 | |
| 162 def tabRemoved(self, index): | |
| 163 """ | |
| 164 Public slot to handle the removal of a tab. | |
| 165 | |
| 166 @param index index of the removed tab (integer) | |
| 167 """ | |
| 168 pass | |
| 169 # TODO: page preview | |
| 170 ## if Preferences.getHelp("ShowPreview"): | |
| 171 ## if self.__previewPopup is not None: | |
| 172 ## self.__previewPopup.hide() | |
| 173 ## self.__currentTabPreviewIndex = -1 |
