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#!/usr/bin/env python
#############################################################################
##
## This file is part of Taurus
##
## http://taurus-scada.org
##
## Copyright 2011 CELLS / ALBA Synchrotron, Bellaterra, Spain
##
## Taurus is free software: you can redistribute it and/or modify
## it under the terms of the GNU Lesser General Public License as published by
## the Free Software Foundation, either version 3 of the License, or
## (at your option) any later version.
##
## Taurus is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU Lesser General Public License for more details.
##
## You should have received a copy of the GNU Lesser General Public License
## along with Taurus. If not, see <http://www.gnu.org/licenses/>.
##
#############################################################################
"""This module provides a demo for the :class:`~taurus.qt.qtgui.display.TaurusLCD`
widget """
__all__ = ["demo", "main"]
__docformat__ = 'restructuredtext'
from taurus.external.qt import Qt
def demo():
import sys
import taurus.qt.qtgui.application
import taurus.qt.qtgui.display
Application = taurus.qt.qtgui.application.TaurusApplication
TaurusLCD = taurus.qt.qtgui.display.TaurusLCD
app = Application.instance()
owns_app = app is None
if owns_app:
app = Application()
M = 2
class TaurusLCDTestPanel(Qt.QWidget):
def __init__(self, parent=None):
Qt.QWidget.__init__(self, parent)
panel_l = Qt.QVBoxLayout()
self.setLayout(panel_l)
panel_l.setContentsMargins(M, M, M, M)
panel_l.setSpacing(M)
w = TaurusLCD()
display_panel = Qt.QGroupBox("Taurus LCD Display")
display_l = Qt.QHBoxLayout()
display_l.setContentsMargins(M, M, M, M)
display_l.setSpacing(M)
display_panel.setLayout(display_l)
display_l.addWidget(w, 1)
control_panel = Qt.QGroupBox("Control Panel")
control_l = Qt.QFormLayout()
control_l.setContentsMargins(M, M, M, M)
control_l.setSpacing(M)
control_panel.setLayout(control_l)
model_widget = Qt.QLineEdit()
model_index_widget = Qt.QLineEdit()
fg_widget = Qt.QComboBox()
bg_widget = Qt.QComboBox()
control_l.addRow("model:", model_widget)
control_l.addRow("model index:", model_index_widget)
control_l.addRow("foreground role:", fg_widget)
control_l.addRow("background role:", bg_widget)
panel_l.addWidget(display_panel)
panel_l.addWidget(control_panel)
fg_widget.addItems(["value", "w_value", "none"])
bg_widget.addItems(["quality", "state", "none"])
Qt.QObject.connect(model_widget, Qt.SIGNAL("textChanged(const QString &)"), w.setModel)
Qt.QObject.connect(model_index_widget, Qt.SIGNAL("textChanged(const QString &)"), w.setModelIndex)
Qt.QObject.connect(fg_widget, Qt.SIGNAL("currentIndexChanged(const QString &)"), w.setFgRole)
Qt.QObject.connect(bg_widget, Qt.SIGNAL("currentIndexChanged(const QString &)"), w.setBgRole)
model_widget.setText("sys/tg_test/1/double_scalar")
fg_widget.setCurrentIndex(0)
bg_widget.setCurrentIndex(0)
self.w_label = w
self.w_model = model_widget
self.w_model_index = model_index_widget
self.w_fg = fg_widget
self.w_bg = bg_widget
panel = Qt.QWidget()
layout=Qt.QGridLayout()
panel.setLayout(layout)
layout.setContentsMargins(M, M, M, M)
layout.setSpacing(M)
p1 = TaurusLCDTestPanel()
p1.w_model.setText("sys/tg_test/1/double_scalar")
p2 = TaurusLCDTestPanel()
p2.w_model.setText("sys/tg_test/1/double_scalar?configuration=min_value")
p2.w_bg.setCurrentIndex(2)
layout.addWidget(p1, 0, 0)
layout.addWidget(p2, 0, 1)
#layout.addItem(Qt.QSpacerItem(10,10), 1, 0, 1, 2)
layout.setRowStretch(0, 1)
panel.show()
if owns_app:
sys.exit(app.exec_())
else:
return panel
def main():
return demo()
if __name__ == "__main__":
main()
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