--- a/src/eric7/WebBrowser/WebBrowserTabBar.py Wed Jul 13 11:16:20 2022 +0200
+++ b/src/eric7/WebBrowser/WebBrowserTabBar.py Wed Jul 13 14:55:47 2022 +0200
@@ -11,9 +11,7 @@
from PyQt6.QtWidgets import QLabel
from EricWidgets.EricTabWidget import EricWheelTabBar
-from EricWidgets.EricPassivePopup import (
- EricPassivePopup, EricPassivePopupStyle
-)
+from EricWidgets.EricPassivePopup import EricPassivePopup, EricPassivePopupStyle
import Preferences
@@ -22,60 +20,61 @@
"""
Class implementing the tab bar of the web browser.
"""
+
def __init__(self, parent=None):
"""
Constructor
-
+
@param parent reference to the parent widget (WebBrowserTabWidget)
"""
super().__init__(parent)
-
+
self.__tabWidget = parent
-
+
self.__previewPopup = None
-
+
self.setMouseTracking(True)
-
+
def __showTabPreview(self, index):
"""
Private slot to show the tab preview.
-
+
@param index index of tab to show a preview for
@type int
"""
indexedBrowser = self.__tabWidget.browserAt(index)
currentBrowser = self.__tabWidget.currentBrowser()
-
+
if indexedBrowser is None or currentBrowser is None:
return
-
+
# no previews during load
if indexedBrowser.progress() != 0:
return
-
+
preview = indexedBrowser.getPreview()
if not preview.isNull():
w = self.tabSizeHint(index).width()
h = int(w * currentBrowser.height() / currentBrowser.width())
-
+
self.__previewPopup = EricPassivePopup(
- style=EricPassivePopupStyle.STYLED, parent=self)
+ style=EricPassivePopupStyle.STYLED, parent=self
+ )
self.__previewPopup.setFixedSize(w, h)
self.__previewPopup.setCustomData("index", index)
-
+
label = QLabel()
label.setPixmap(preview.scaled(w, h))
-
+
self.__previewPopup.setView(label)
- self.__previewPopup.layout().setAlignment(
- Qt.AlignmentFlag.AlignTop)
+ self.__previewPopup.layout().setAlignment(Qt.AlignmentFlag.AlignTop)
self.__previewPopup.layout().setContentsMargins(0, 0, 0, 0)
-
+
tr = self.tabRect(index)
pos = QPoint(tr.x(), tr.y() + tr.height())
-
+
self.__previewPopup.show(self.mapToGlobal(pos))
-
+
def __hidePreview(self):
"""
Private method to hide the preview.
@@ -84,18 +83,18 @@
self.__previewPopup.hide()
self.__previewPopup.deleteLater()
self.__previewPopup = None
-
+
def mouseMoveEvent(self, evt):
"""
Protected method to handle mouse move events.
-
+
@param evt reference to the mouse move event (QMouseEvent)
"""
if self.count() == 1:
return
-
+
super().mouseMoveEvent(evt)
-
+
if Preferences.getWebBrowser("ShowPreview"):
# Find the tab under the mouse
i = 0
@@ -104,70 +103,72 @@
if self.tabRect(i).contains(evt.position().toPoint()):
tabIndex = i
i += 1
-
+
# If found and not the current tab then show tab preview
if (
- tabIndex != -1 and
- tabIndex != self.currentIndex() and
- evt.buttons() == Qt.MouseButton.NoButton and
- (self.__previewPopup is None or
- (self.__previewPopup is not None and
- self.__previewPopup.getCustomData("index") != tabIndex)
- )
+ tabIndex != -1
+ and tabIndex != self.currentIndex()
+ and evt.buttons() == Qt.MouseButton.NoButton
+ and (
+ self.__previewPopup is None
+ or (
+ self.__previewPopup is not None
+ and self.__previewPopup.getCustomData("index") != tabIndex
+ )
+ )
):
QTimer.singleShot(0, lambda: self.__showTabPreview(tabIndex))
-
+
# If current tab or not found then hide previous tab preview
if tabIndex in (self.currentIndex(), -1):
self.__hidePreview()
-
+
def leaveEvent(self, evt):
"""
Protected method to handle leave events.
-
+
@param evt reference to the leave event (QEvent)
"""
if Preferences.getWebBrowser("ShowPreview"):
# If leave tabwidget then hide previous tab preview
self.__hidePreview()
-
+
super().leaveEvent(evt)
-
+
def mousePressEvent(self, evt):
"""
Protected method to handle mouse press events.
-
+
@param evt reference to the mouse press event (QMouseEvent)
"""
if Preferences.getWebBrowser("ShowPreview"):
self.__hidePreview()
-
+
super().mousePressEvent(evt)
-
+
def event(self, evt):
"""
Public method to handle event.
-
+
This event handler just handles the tooltip event and passes the
handling of all others to the superclass.
-
+
@param evt reference to the event to be handled (QEvent)
@return flag indicating, if the event was handled (boolean)
"""
- if (
- evt.type() == QEvent.Type.ToolTip and
- Preferences.getWebBrowser("ShowPreview")
+ if evt.type() == QEvent.Type.ToolTip and Preferences.getWebBrowser(
+ "ShowPreview"
):
# suppress tool tips if we are showing previews
evt.setAccepted(True)
return True
-
+
return super().event(evt)
-
+
def tabRemoved(self, index):
"""
Public slot to handle the removal of a tab.
-
+
@param index index of the removed tab (integer)
"""
if Preferences.getWebBrowser("ShowPreview"):
