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gui/moninj: flow layout
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131
artiq/gui/flowlayout.py
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131
artiq/gui/flowlayout.py
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#############################################################################
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##
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## Copyright (C) 2013 Riverbank Computing Limited.
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## Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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## All rights reserved.
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##
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## This file is part of the examples of PyQt.
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##
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## $QT_BEGIN_LICENSE:BSD$
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## You may use this file under the terms of the BSD license as follows:
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##
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## "Redistribution and use in source and binary forms, with or without
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## modification, are permitted provided that the following conditions are
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## met:
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## * Redistributions of source code must retain the above copyright
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## notice, this list of conditions and the following disclaimer.
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## * Redistributions in binary form must reproduce the above copyright
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## notice, this list of conditions and the following disclaimer in
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## the documentation and/or other materials provided with the
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## distribution.
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## * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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## the names of its contributors may be used to endorse or promote
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## products derived from this software without specific prior written
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## permission.
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##
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## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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## $QT_END_LICENSE$
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##
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#############################################################################
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from PyQt5.QtCore import QPoint, QRect, QSize, Qt
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from PyQt5.QtWidgets import (QApplication, QLayout, QPushButton, QSizePolicy,
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QWidget)
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class FlowLayout(QLayout):
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def __init__(self, parent=None, margin=0, spacing=-1):
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super(FlowLayout, self).__init__(parent)
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if parent is not None:
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self.setContentsMargins(margin, margin, margin, margin)
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self.setSpacing(spacing)
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self.itemList = []
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def __del__(self):
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item = self.takeAt(0)
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while item:
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item = self.takeAt(0)
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def addItem(self, item):
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self.itemList.append(item)
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def count(self):
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return len(self.itemList)
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def itemAt(self, index):
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if index >= 0 and index < len(self.itemList):
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return self.itemList[index]
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return None
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def takeAt(self, index):
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if index >= 0 and index < len(self.itemList):
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return self.itemList.pop(index)
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return None
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def expandingDirections(self):
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return Qt.Orientations(Qt.Orientation(0))
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def hasHeightForWidth(self):
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return True
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def heightForWidth(self, width):
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height = self.doLayout(QRect(0, 0, width, 0), True)
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return height
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def setGeometry(self, rect):
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super(FlowLayout, self).setGeometry(rect)
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self.doLayout(rect, False)
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def sizeHint(self):
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return self.minimumSize()
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def minimumSize(self):
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size = QSize()
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for item in self.itemList:
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size = size.expandedTo(item.minimumSize())
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margin, _, _, _ = self.getContentsMargins()
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size += QSize(2 * margin, 2 * margin)
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return size
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def doLayout(self, rect, testOnly):
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x = rect.x()
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y = rect.y()
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lineHeight = 0
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for item in self.itemList:
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wid = item.widget()
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spaceX = self.spacing() + wid.style().layoutSpacing(QSizePolicy.PushButton, QSizePolicy.PushButton, Qt.Horizontal)
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spaceY = self.spacing() + wid.style().layoutSpacing(QSizePolicy.PushButton, QSizePolicy.PushButton, Qt.Vertical)
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nextX = x + item.sizeHint().width() + spaceX
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if nextX - spaceX > rect.right() and lineHeight > 0:
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x = rect.x()
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y = y + lineHeight + spaceY
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nextX = x + item.sizeHint().width() + spaceX
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lineHeight = 0
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if not testOnly:
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item.setGeometry(QRect(QPoint(x, y), item.sizeHint()))
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x = nextX
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lineHeight = max(lineHeight, item.sizeHint().height())
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return y + lineHeight - rect.y()
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@ -8,6 +8,7 @@ from PyQt5 import QtCore, QtWidgets
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from artiq.tools import TaskObject
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from artiq.protocols.sync_struct import Subscriber
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from artiq.gui.flowlayout import FlowLayout
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logger = logging.getLogger(__name__)
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@ -20,6 +21,8 @@ _mode_enc = {
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"in": 3
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}
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_widget_size = QtCore.QSize(350, 300)
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class _TTLWidget(QtWidgets.QFrame):
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def __init__(self, channel, send_to_device, force_out, title):
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@ -28,6 +31,7 @@ class _TTLWidget(QtWidgets.QFrame):
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self.force_out = force_out
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QtWidgets.QFrame.__init__(self)
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self.setSizePolicy(QtWidgets.QSizePolicy.Fixed, QtWidgets.QSizePolicy.Fixed)
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self.setFrameShape(QtWidgets.QFrame.Box)
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self.setFrameShadow(QtWidgets.QFrame.Raised)
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@ -85,6 +89,9 @@ class _TTLWidget(QtWidgets.QFrame):
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self.set_value(0, False, False)
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def sizeHint(self):
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return _widget_size
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def set_mode(self, mode):
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data = struct.pack("bbb",
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2, # MONINJ_REQ_TTLSET
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@ -124,6 +131,7 @@ class _DDSWidget(QtWidgets.QFrame):
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self.sysclk = sysclk
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QtWidgets.QFrame.__init__(self)
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self.setSizePolicy(QtWidgets.QSizePolicy.Fixed, QtWidgets.QSizePolicy.Fixed)
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self.setFrameShape(QtWidgets.QFrame.Box)
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self.setFrameShadow(QtWidgets.QFrame.Raised)
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@ -146,6 +154,9 @@ class _DDSWidget(QtWidgets.QFrame):
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self.set_value(0)
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def sizeHint(self):
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return _widget_size
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def set_value(self, ftw):
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frequency = ftw*self.sysclk()/2**32
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self._value.setText("<font size=\"6\">{:.7f} MHz</font>"
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@ -232,14 +243,14 @@ class _MonInjDock(QtWidgets.QDockWidget):
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scroll_area = QtWidgets.QScrollArea()
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self.setWidget(scroll_area)
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grid = QtWidgets.QGridLayout()
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grid = FlowLayout()
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grid_widget = QtWidgets.QWidget()
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grid_widget.setLayout(grid)
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for i, (_, w) in enumerate(sorted(widgets, key=itemgetter(0))):
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grid.addWidget(w, i // 4, i % 4)
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grid.setColumnStretch(i % 4, 1)
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for _, w in sorted(widgets, key=itemgetter(0)):
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grid.addWidget(w)
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scroll_area.setWidgetResizable(True)
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scroll_area.setWidget(grid_widget)
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