/usr/lib/python2.7/dist-packages/pyqtgraph/dockarea/Dock.py is in python-pyqtgraph 0.9.10-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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from .DockDrop import *
from ..widgets.VerticalLabel import VerticalLabel
from ..python2_3 import asUnicode
class Dock(QtGui.QWidget, DockDrop):
sigStretchChanged = QtCore.Signal()
def __init__(self, name, area=None, size=(10, 10), widget=None, hideTitle=False, autoOrientation=True, closable=False):
QtGui.QWidget.__init__(self)
DockDrop.__init__(self)
self.area = area
self.label = DockLabel(name, self, closable)
if closable:
self.label.sigCloseClicked.connect(self.close)
self.labelHidden = False
self.moveLabel = True ## If false, the dock is no longer allowed to move the label.
self.autoOrient = autoOrientation
self.orientation = 'horizontal'
#self.label.setAlignment(QtCore.Qt.AlignHCenter)
self.topLayout = QtGui.QGridLayout()
self.topLayout.setContentsMargins(0, 0, 0, 0)
self.topLayout.setSpacing(0)
self.setLayout(self.topLayout)
self.topLayout.addWidget(self.label, 0, 1)
self.widgetArea = QtGui.QWidget()
self.topLayout.addWidget(self.widgetArea, 1, 1)
self.layout = QtGui.QGridLayout()
self.layout.setContentsMargins(0, 0, 0, 0)
self.layout.setSpacing(0)
self.widgetArea.setLayout(self.layout)
self.widgetArea.setSizePolicy(QtGui.QSizePolicy.Expanding, QtGui.QSizePolicy.Expanding)
self.widgets = []
self.currentRow = 0
#self.titlePos = 'top'
self.raiseOverlay()
self.hStyle = """
Dock > QWidget {
border: 1px solid #000;
border-radius: 5px;
border-top-left-radius: 0px;
border-top-right-radius: 0px;
border-top-width: 0px;
}"""
self.vStyle = """
Dock > QWidget {
border: 1px solid #000;
border-radius: 5px;
border-top-left-radius: 0px;
border-bottom-left-radius: 0px;
border-left-width: 0px;
}"""
self.nStyle = """
Dock > QWidget {
border: 1px solid #000;
border-radius: 5px;
}"""
self.dragStyle = """
Dock > QWidget {
border: 4px solid #00F;
border-radius: 5px;
}"""
self.setAutoFillBackground(False)
self.widgetArea.setStyleSheet(self.hStyle)
self.setStretch(*size)
if widget is not None:
self.addWidget(widget)
if hideTitle:
self.hideTitleBar()
def implements(self, name=None):
if name is None:
return ['dock']
else:
return name == 'dock'
def setStretch(self, x=None, y=None):
"""
Set the 'target' size for this Dock.
The actual size will be determined by comparing this Dock's
stretch value to the rest of the docks it shares space with.
"""
#print "setStretch", self, x, y
#self._stretch = (x, y)
if x is None:
x = 0
if y is None:
y = 0
#policy = self.sizePolicy()
#policy.setHorizontalStretch(x)
#policy.setVerticalStretch(y)
#self.setSizePolicy(policy)
self._stretch = (x, y)
self.sigStretchChanged.emit()
#print "setStretch", self, x, y, self.stretch()
def stretch(self):
#policy = self.sizePolicy()
#return policy.horizontalStretch(), policy.verticalStretch()
return self._stretch
#def stretch(self):
#return self._stretch
def hideTitleBar(self):
"""
Hide the title bar for this Dock.
This will prevent the Dock being moved by the user.
"""
self.label.hide()
self.labelHidden = True
if 'center' in self.allowedAreas:
self.allowedAreas.remove('center')
self.updateStyle()
def showTitleBar(self):
"""
Show the title bar for this Dock.
"""
self.label.show()
self.labelHidden = False
self.allowedAreas.add('center')
self.updateStyle()
def setOrientation(self, o='auto', force=False):
"""
Sets the orientation of the title bar for this Dock.
Must be one of 'auto', 'horizontal', or 'vertical'.
By default ('auto'), the orientation is determined
based on the aspect ratio of the Dock.
"""
#print self.name(), "setOrientation", o, force
if o == 'auto' and self.autoOrient:
if self.container().type() == 'tab':
o = 'horizontal'
elif self.width() > self.height()*1.5:
o = 'vertical'
else:
o = 'horizontal'
if force or self.orientation != o:
self.orientation = o
self.label.setOrientation(o)
self.updateStyle()
def updateStyle(self):
## updates orientation and appearance of title bar
#print self.name(), "update style:", self.orientation, self.moveLabel, self.label.isVisible()
if self.labelHidden:
self.widgetArea.setStyleSheet(self.nStyle)
elif self.orientation == 'vertical':
self.label.setOrientation('vertical')
if self.moveLabel:
#print self.name(), "reclaim label"
self.topLayout.addWidget(self.label, 1, 0)
self.widgetArea.setStyleSheet(self.vStyle)
else:
self.label.setOrientation('horizontal')
if self.moveLabel:
#print self.name(), "reclaim label"
self.topLayout.addWidget(self.label, 0, 1)
self.widgetArea.setStyleSheet(self.hStyle)
def resizeEvent(self, ev):
self.setOrientation()
self.resizeOverlay(self.size())
def name(self):
return asUnicode(self.label.text())
def container(self):
return self._container
def addWidget(self, widget, row=None, col=0, rowspan=1, colspan=1):
"""
Add a new widget to the interior of this Dock.
Each Dock uses a QGridLayout to arrange widgets within.
"""
if row is None:
row = self.currentRow
self.currentRow = max(row+1, self.currentRow)
self.widgets.append(widget)
self.layout.addWidget(widget, row, col, rowspan, colspan)
self.raiseOverlay()
def startDrag(self):
self.drag = QtGui.QDrag(self)
mime = QtCore.QMimeData()
#mime.setPlainText("asd")
self.drag.setMimeData(mime)
self.widgetArea.setStyleSheet(self.dragStyle)
self.update()
action = self.drag.exec_()
self.updateStyle()
def float(self):
self.area.floatDock(self)
def containerChanged(self, c):
#print self.name(), "container changed"
self._container = c
if c.type() != 'tab':
self.moveLabel = True
self.label.setDim(False)
else:
self.moveLabel = False
self.setOrientation(force=True)
def raiseDock(self):
"""If this Dock is stacked underneath others, raise it to the top."""
self.container().raiseDock(self)
def close(self):
"""Remove this dock from the DockArea it lives inside."""
self.setParent(None)
self.label.setParent(None)
self._container.apoptose()
self._container = None
def __repr__(self):
return "<Dock %s %s>" % (self.name(), self.stretch())
## PySide bug: We need to explicitly redefine these methods
## or else drag/drop events will not be delivered.
def dragEnterEvent(self, *args):
DockDrop.dragEnterEvent(self, *args)
def dragMoveEvent(self, *args):
DockDrop.dragMoveEvent(self, *args)
def dragLeaveEvent(self, *args):
DockDrop.dragLeaveEvent(self, *args)
def dropEvent(self, *args):
DockDrop.dropEvent(self, *args)
class DockLabel(VerticalLabel):
sigClicked = QtCore.Signal(object, object)
sigCloseClicked = QtCore.Signal()
def __init__(self, text, dock, showCloseButton):
self.dim = False
self.fixedWidth = False
VerticalLabel.__init__(self, text, orientation='horizontal', forceWidth=False)
self.setAlignment(QtCore.Qt.AlignTop|QtCore.Qt.AlignHCenter)
self.dock = dock
self.updateStyle()
self.setAutoFillBackground(False)
self.startedDrag = False
self.closeButton = None
if showCloseButton:
self.closeButton = QtGui.QToolButton(self)
self.closeButton.clicked.connect(self.sigCloseClicked)
self.closeButton.setIcon(QtGui.QApplication.style().standardIcon(QtGui.QStyle.SP_TitleBarCloseButton))
def updateStyle(self):
r = '3px'
if self.dim:
fg = '#aaa'
bg = '#44a'
border = '#339'
else:
fg = '#fff'
bg = '#66c'
border = '#55B'
if self.orientation == 'vertical':
self.vStyle = """DockLabel {
background-color : %s;
color : %s;
border-top-right-radius: 0px;
border-top-left-radius: %s;
border-bottom-right-radius: 0px;
border-bottom-left-radius: %s;
border-width: 0px;
border-right: 2px solid %s;
padding-top: 3px;
padding-bottom: 3px;
}""" % (bg, fg, r, r, border)
self.setStyleSheet(self.vStyle)
else:
self.hStyle = """DockLabel {
background-color : %s;
color : %s;
border-top-right-radius: %s;
border-top-left-radius: %s;
border-bottom-right-radius: 0px;
border-bottom-left-radius: 0px;
border-width: 0px;
border-bottom: 2px solid %s;
padding-left: 3px;
padding-right: 3px;
}""" % (bg, fg, r, r, border)
self.setStyleSheet(self.hStyle)
def setDim(self, d):
if self.dim != d:
self.dim = d
self.updateStyle()
def setOrientation(self, o):
VerticalLabel.setOrientation(self, o)
self.updateStyle()
def mousePressEvent(self, ev):
if ev.button() == QtCore.Qt.LeftButton:
self.pressPos = ev.pos()
self.startedDrag = False
ev.accept()
def mouseMoveEvent(self, ev):
if not self.startedDrag and (ev.pos() - self.pressPos).manhattanLength() > QtGui.QApplication.startDragDistance():
self.dock.startDrag()
ev.accept()
def mouseReleaseEvent(self, ev):
if not self.startedDrag:
self.sigClicked.emit(self, ev)
ev.accept()
def mouseDoubleClickEvent(self, ev):
if ev.button() == QtCore.Qt.LeftButton:
self.dock.float()
def resizeEvent (self, ev):
if self.closeButton:
if self.orientation == 'vertical':
size = ev.size().width()
pos = QtCore.QPoint(0, 0)
else:
size = ev.size().height()
pos = QtCore.QPoint(ev.size().width() - size, 0)
self.closeButton.setFixedSize(QtCore.QSize(size, size))
self.closeButton.move(pos)
super(DockLabel,self).resizeEvent(ev)
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