eric: comparison QScintilla/EditorButtonsWidget.py

-:c6f4a6f0d051
+:a163fbbf2bea
 editor actions.
 """
 from __future__ import unicode_literals
-from PyQt5.QtCore import pyqtSlot
+from PyQt5.QtCore import pyqtSlot, Qt
-from PyQt5.QtWidgets import QWidget, QVBoxLayout, QToolButton, QFrame, QMenu
+from PyQt5.QtWidgets import QWidget, QVBoxLayout, QToolButton, QFrame, QMenu, \
+QSizePolicy, QScrollArea
 import UI.PixmapCache
 from . import MarkupProviders
 """
 super(EditorButtonsWidget, self).__init__(parent)
 margin = 2
 spacing = 3
-self.__layout = QVBoxLayout(self)
-self.__layout.setContentsMargins(margin, margin, margin, margin)
+self.__buttonsWidget = QWidget(self)
+self.__layout = QVBoxLayout(self.__buttonsWidget)
+self.__layout.setContentsMargins(0, 0, 0, 0)
 self.__layout.setSpacing(spacing)
 self.__provider = None
 self.__editor = editor
 self.__editor.selectionChanged.connect(self.__editorSelectionChanged)
 self.__createButtons()
 self.__layout.addStretch()
+self.__outerLayout = QVBoxLayout(self)
+self.__outerLayout.setContentsMargins(margin, margin, margin, margin)
+self.__outerLayout.setSpacing(spacing)
+self.__outerLayout.setAlignment(Qt.AlignHCenter)
+self.__upButton = QToolButton(self)
+self.__upButton.setArrowType(Qt.UpArrow)
+self.__upButton.setSizePolicy(
+QSizePolicy.MinimumExpanding, QSizePolicy.Minimum)
+self.__upButton.setAutoRepeat(True)
+self.__scroller = QScrollArea(self)
+self.__scroller.setWidget(self.__buttonsWidget)
+self.__scroller.setSizePolicy(
+QSizePolicy.Minimum, QSizePolicy.Expanding)
+self.__scroller.setFrameShape(QFrame.NoFrame)
+self.__scroller.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
+self.__scroller.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
+self.__scroller.setWidgetResizable(False)
+self.__downButton = QToolButton(self)
+self.__downButton.setArrowType(Qt.DownArrow)
+self.__downButton.setSizePolicy(
+QSizePolicy.MinimumExpanding, QSizePolicy.Minimum)
+self.__downButton.setAutoRepeat(True)
+self.__outerLayout.addWidget(self.__upButton)
+self.__outerLayout.addWidget(self.__scroller)
+self.__outerLayout.addWidget(self.__downButton)
+self.__upButton.clicked.connect(self.__slideUp)
+self.__downButton.clicked.connect(self.__slideDown)
 self.setMaximumWidth(
 self.__buttons["bold"].sizeHint().width() + 2 * margin)
 self.__updateButtonStates()
+#######################################################################
+## Methods below implement some event handlers
+#######################################################################
+def show(self):
+"""
+Public slot to show the widget.
+"""
+super(EditorButtonsWidget, self).show()
+self.__enableScrollerButtons()
+def resizeEvent(self, evt):
+"""
+Protected method to handle resize events.
+@param evt reference to the resize event (QResizeEvent)
+"""
+self.__enableScrollerButtons()
+super(EditorButtonsWidget, self).resizeEvent(evt)
+#######################################################################
+## Methods below implement scroller related functions
+#######################################################################
+def __enableScrollerButtons(self):
+"""
+Private method to set the enabled state of the scroll buttons.
+"""
+scrollBar = self.__scroller.verticalScrollBar()
+self.__upButton.setEnabled(scrollBar.value() > 0)
+self.__downButton.setEnabled(scrollBar.value() < scrollBar.maximum())
+def __slideUp(self):
+"""
+Private slot to move the widget upwards, i.e. show contents to the
+bottom.
+"""
+self.__slide(True)
+def __slideDown(self):
+"""
+Private slot to move the widget downwards, i.e. show contents to
+the top.
+"""
+self.__slide(False)
+def __slide(self, up):
+"""
+Private method to move the sliding widget.
+@param up flag indicating to move upwards (boolean)
+"""
+scrollBar = self.__scroller.verticalScrollBar()
+stepSize = scrollBar.singleStep()
+if up:
+stepSize = -stepSize
+newValue = scrollBar.value() + stepSize
+if newValue < 0:
+newValue = 0
+elif newValue > scrollBar.maximum():
+newValue = scrollBar.maximum()
+scrollBar.setValue(newValue)
+self.__enableScrollerButtons()
+#######################################################################
+## Methods below implement the format button functions
+#######################################################################
 def __createButtons(self):
 """
 Private slot to create the various tool buttons.
 """
 @param toolTip text for the tool tip
 @type str
 @return generated button
 @rtype QToolButton
 """
-button = QToolButton(self)
+button = QToolButton(self.__buttonsWidget)
 button.setIcon(UI.PixmapCache.getIcon(iconName))
 button.setToolTip(toolTip)
 button.clicked.connect(lambda: self.__formatClicked(format))
 self.__layout.addWidget(button)
 self.__buttons[format] = button
 def __addSeparator(self):
 """
 Private method to add a separator line.
 """
-line = QFrame(self)
+line = QFrame(self.__buttonsWidget)
 line.setLineWidth(2)
 if isinstance(self.__layout, QVBoxLayout):
 line.setFrameShape(QFrame.HLine)
 else:
 line.setFrameShape(QFrame.VLine)
 act.setData("header{0}".format(level))
 self.__buttons["code"].setEnabled(self.__provider.hasCode())
 self.__buttons["codeBlock"].setEnabled(
 self.__provider.hasCodeBlock())
+self.__buttons["bulletedList"].setEnabled(
+self.__provider.hasBulletedList())
+self.__buttons["numberedList"].setEnabled(
+self.__provider.hasNumberedList())
 self.__editorSelectionChanged()
 # TODO: make this configurable
 self.setVisible(self.__provider.kind() != "none")
 self.__provider.hyperlink(self.__editor)
 elif format == "line":
 self.__provider.line(self.__editor)
 elif format == "image":
 self.__provider.image(self.__editor)
+elif format == "bulletedList":
+self.__provider.bulletedList(self.__editor)
+elif format == "numberedList":
+self.__provider.numberedList(self.__editor)
 def __headerMenuTriggered(self, act):
 """
 Private method handling the selection of a header menu entry.

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comparison: QScintilla/EditorButtonsWidget.py

QScintilla/EditorButtonsWidget.py