def _construct_UI(self):
"""
Construct user interface
"""
# subwidget for Frequency Specs
self.f_specs = freq_specs.FreqSpecs(self, title="Frequency")
# subwidget for Amplitude Specs
self.a_specs = amplitude_specs.AmplitudeSpecs(self, title="Amplitude")
self.a_specs.setVisible(True)
"""
LAYOUT
"""
bfont = QFont()
bfont.setBold(True)
lblTitle = QLabel(self) # field for widget title
lblTitle.setText(self.title)
lblTitle.setFont(bfont)
# lblTitle.setContentsMargins(2,2,2,2)
layHTitle = QHBoxLayout()
layHTitle.addWidget(lblTitle)
layHTitle.setAlignment(Qt.AlignHCenter)
layHSpecs = QHBoxLayout()
layHSpecs.setAlignment(Qt.AlignTop)
layHSpecs.addWidget(self.f_specs) # frequency specs
layHSpecs.addWidget(self.a_specs) # ampltitude specs
layVSpecs = QVBoxLayout()
layVSpecs.addLayout(layHTitle)
layVSpecs.addLayout(layHSpecs)
layVSpecs.setContentsMargins(0, 6, 0, 0) # (left, top, right, bottom)
# This is the top level widget, encompassing the other widgets
frmMain = QFrame(self)
frmMain.setLayout(layVSpecs)
self.layVMain = QVBoxLayout() # Widget main layout
self.layVMain.addWidget(frmMain)
self.layVMain.setContentsMargins(*params['wdg_margins'])
self.setLayout(self.layVMain)
# ----------------------------------------------------------------------
# GLOBAL SIGNALS & SLOTs
# ----------------------------------------------------------------------
# connect f_specs and a_specs subwidget to signalling
self.f_specs.sig_tx.connect(self.sig_tx) # pass signal upwards
self.sig_rx.connect(self.f_specs.sig_rx) # pass on received signals
self.a_specs.sig_tx.connect(self.sig_tx) # pass signal upwards
self.update_UI() # first time initialization
def _construct_UI(self):
"""
Construct user interface
"""
# subwidget for Frequency Specs
self.f_specs = freq_specs.FreqSpecs(self, title="Frequency")
# subwidget for Amplitude Specs
self.a_specs = amplitude_specs.AmplitudeSpecs(self, title="Amplitude")
self.a_specs.setVisible(True)
"""
LAYOUT
"""
bfont = QtGui.QFont()
bfont.setBold(True)
# bfont.setWeight(75)
lblTitle = QtGui.QLabel(self) # field for widget title
lblTitle.setText(self.title)
lblTitle.setFont(bfont)
layVFreq = QtGui.QVBoxLayout() # add stretch at bottom of ampSpecs
layVFreq.addWidget(
self.f_specs) # to compensate for different number of
layVFreq.addStretch() # arguments
layVAmp = QtGui.QVBoxLayout() # add stretch at bottom of freqSpecs
layVAmp.addWidget(
self.a_specs) # to compensate for different number of
layVAmp.addStretch() # arguments
layGMain = QtGui.QGridLayout()
layGMain.addWidget(lblTitle, 0, 0, 1, 2) # title
layGMain.addLayout(layVFreq, 1, 0) # frequency specifications
layGMain.addLayout(layVAmp, 1, 1) # amplitude specifications
layGMain.setContentsMargins(1, 1, 1, 1)
self.setLayout(layGMain)
#----------------------------------------------------------------------
# SIGNALS & SLOTS
self.a_specs.sigSpecsChanged.connect(self.sigSpecsChanged.emit)
self.f_specs.sigSpecsChanged.connect(self.sigSpecsChanged.emit)
self.update_UI() # first time initialization
def _construct_UI(self):
"""
Construct User Interface from all input subwidgets
"""
self.butLoadFilt = QPushButton("LOAD FILTER", self)
self.butLoadFilt.setToolTip("Load filter from disk")
self.butSaveFilt = QPushButton("SAVE FILTER", self)
self.butSaveFilt.setToolTip("Save filter todisk")
layHButtons1 = QHBoxLayout()
layHButtons1.addWidget(self.butLoadFilt) # <Load Filter> button
layHButtons1.addWidget(self.butSaveFilt) # <Save Filter> button
layHButtons1.setContentsMargins(*params['wdg_margins_spc'])
self.butDesignFilt = QPushButton("DESIGN FILTER", self)
self.butDesignFilt.setToolTip("Design filter with chosen specs")
self.butQuit = QPushButton("Quit", self)
self.butQuit.setToolTip("Exit pyfda tool")
layHButtons2 = QHBoxLayout()
layHButtons2.addWidget(self.butDesignFilt) # <Design Filter> button
layHButtons2.addWidget(self.butQuit) # <Quit> button
layHButtons2.setContentsMargins(*params['wdg_margins'])
# Subwidget for selecting filter with response type rt (LP, ...),
# filter type ft (IIR, ...) and filter class fc (cheby1, ...)
self.sel_fil = select_filter.SelectFilter(self)
self.sel_fil.setObjectName("select_filter")
self.sel_fil.sig_tx.connect(self.sig_rx_local)
# Subwidget for selecting the frequency unit and range
self.f_units = freq_units.FreqUnits(self)
self.f_units.setObjectName("freq_units")
self.f_units.sig_tx.connect(self.sig_rx_local)
# Changing the frequency unit requires re-display of frequency specs
# but it does not influence the actual specs (no specsChanged )
# Activating the "Sort" button emits 'view_changed'?specs_changed'?, requiring
# sorting and storing the frequency entries
# Changing filter parameters / specs requires reloading of parameters
# in other hierarchy levels, e.g. in the plot tabs
# Subwidget for Frequency Specs
self.f_specs = freq_specs.FreqSpecs(self)
self.f_specs.setObjectName("freq_specs")
self.f_specs.sig_tx.connect(self.sig_rx_local)
self.sig_tx.connect(self.f_specs.sig_rx)
# Subwidget for Amplitude Specs
self.a_specs = amplitude_specs.AmplitudeSpecs(self)
self.a_specs.setObjectName("amplitude_specs")
self.a_specs.sig_tx.connect(self.sig_rx_local)
# Subwidget for Weight Specs
self.w_specs = weight_specs.WeightSpecs(self)
self.w_specs.setObjectName("weight_specs")
self.w_specs.sig_tx.connect(self.sig_rx_local)
# Subwidget for target specs (frequency and amplitude)
self.t_specs = target_specs.TargetSpecs(self,
title="Target Specifications")
self.t_specs.setObjectName("target_specs")
self.t_specs.sig_tx.connect(self.sig_rx_local)
self.sig_tx.connect(self.t_specs.sig_rx)
# Subwidget for displaying infos on the design method
self.lblMsg = QLabel(self)
self.lblMsg.setWordWrap(True)
layVMsg = QVBoxLayout()
layVMsg.addWidget(self.lblMsg)
self.frmMsg = QFrame(self)
self.frmMsg.setLayout(layVMsg)
layVFrm = QVBoxLayout()
layVFrm.addWidget(self.frmMsg)
layVFrm.setContentsMargins(*params['wdg_margins'])
# ----------------------------------------------------------------------
# LAYOUT for input specifications and buttons
# ----------------------------------------------------------------------
layVMain = QVBoxLayout(self)
layVMain.addLayout(layHButtons1) # <Load> & <Save> buttons
layVMain.addWidget(self.sel_fil) # Design method (IIR - ellip, ...)
layVMain.addLayout(layHButtons2) # <Design> & <Quit> buttons
layVMain.addWidget(self.f_units) # Frequency units
layVMain.addWidget(self.t_specs) # Target specs
layVMain.addWidget(self.f_specs) # Freq. specifications
layVMain.addWidget(self.a_specs) # Amplitude specs
layVMain.addWidget(self.w_specs) # Weight specs
layVMain.addLayout(layVFrm) # Text message
layVMain.addStretch()
layVMain.setContentsMargins(*params['wdg_margins'])
self.setLayout(layVMain) # main layout of widget
# ----------------------------------------------------------------------
# GLOBAL SIGNALS & SLOTs
# ----------------------------------------------------------------------
self.sig_rx.connect(self.process_sig_rx)
# ----------------------------------------------------------------------
# LOCAL SIGNALS & SLOTs
# ----------------------------------------------------------------------
self.sig_rx_local.connect(self.process_sig_rx_local)
self.butLoadFilt.clicked.connect(lambda: load_filter(self))
self.butSaveFilt.clicked.connect(lambda: save_filter(self))
self.butDesignFilt.clicked.connect(self.start_design_filt)
self.butQuit.clicked.connect(self.quit_program) # emit 'quit_program'
# ----------------------------------------------------------------------
self.update_UI() # first time initialization
self.start_design_filt() # design first filter using default values
def _construct_UI(self):
"""
Construct User Interface from all input subwidgets
"""
# Subwidget for selecting filter with response type rt (LP, ...),
# filter type ft (IIR, ...) and filter class fc (cheby1, ...)
self.sel_fil = select_filter.SelectFilter(self)
self.sel_fil.setObjectName("select_filter")
# Subwidget for selecting the frequency unit and range
self.f_units = freq_units.FreqUnits(self)
self.f_units.setObjectName("freq_units")
# Subwidget for Frequency Specs
self.f_specs = freq_specs.FreqSpecs(self)
self.f_specs.setObjectName("freq_specs")
# Subwidget for Amplitude Specs
self.a_specs = amplitude_specs.AmplitudeSpecs(self)
self.a_specs.setObjectName("amplitude_specs")
# Subwidget for Weight Specs
self.w_specs = weight_specs.WeightSpecs(self)
self.w_specs.setObjectName("weight_specs")
# Subwidget for target specs (frequency and amplitude)
self.t_specs = target_specs.TargetSpecs(self,
title="Target Specifications")
self.t_specs.setObjectName("target_specs")
# Subwidget for displaying infos on the design method
self.lblMsg = QtGui.QLabel(self)
self.lblMsg.setWordWrap(True)
# self.lblMsg.setFrameShape(QtGui.QFrame.StyledPanel|QtGui.QFrame.Sunken)
layVMsg = QtGui.QVBoxLayout()
layVMsg.addWidget(self.lblMsg)
frmMsg = QtGui.QFrame()
frmMsg.setFrameStyle(QtGui.QFrame.StyledPanel | QtGui.QFrame.Sunken)
frmMsg.setLayout(layVMsg)
frmMsg.setSizePolicy(QtGui.QSizePolicy.Minimum,
QtGui.QSizePolicy.Minimum)
self.butDesignFilt = QtGui.QPushButton("DESIGN FILTER", self)
self.butQuit = QtGui.QPushButton("Quit", self)
#----------------------------------------------------------------------
# LAYOUT for input specifications and buttons
#----------------------------------------------------------------------
spcV = QtGui.QSpacerItem(10, 10, QtGui.QSizePolicy.Minimum,
QtGui.QSizePolicy.Expanding)
layGMain = QtGui.QGridLayout()
layGMain.addWidget(self.sel_fil, 0, 0, 1,
2) # Design method (IIR - ellip, ...)
layGMain.addWidget(self.f_units, 2, 0, 1, 2) # Frequency units
layGMain.addWidget(self.f_specs, 3, 0, 1, 2) # Freq. specifications
layGMain.addWidget(self.a_specs, 4, 0, 1, 2) # Amplitude specs
layGMain.addWidget(self.w_specs, 5, 0, 1, 2) # Weight specs
layGMain.addWidget(frmMsg, 6, 0, 1, 2) # Text message
layGMain.addWidget(self.t_specs, 7, 0, 1, 2) # Target specs
layGMain.addWidget(self.butDesignFilt, 8, 0) # <Design Filter> button
layGMain.addWidget(self.butQuit, 8, 1) # <Quit> button
layGMain.addItem(spcV, 9, 0, 1,
2) # spacer to allow for vert. expansion
# layGMain.addWidget(HLine(self), 9,0,1,2) # create HLine
layGMain.setContentsMargins(0, 0, 0, 0)
# layGMain.setRowStretch(1,1)
self.setLayout(layGMain) # main layout of widget
#----------------------------------------------------------------------
# SIGNALS & SLOTS
#
# Changing the filter design requires updating UI because number or
# kind of input fields changes -> Call update_all_UIs, emitting
# sigFilterChanged when it's finished
self.sel_fil.sigFiltChanged.connect(self.update_UI)
# Changing the frequency unit requires re-display of frequency specs
# but it does not influence the actual specs (no specsChanged )
self.f_units.sigUnitChanged.connect(self.f_specs.load_entries)
self.f_units.sigUnitChanged.connect(self.t_specs.load_entries)
self.f_units.sigUnitChanged.connect(self.sigViewChanged)
# Activating the "Sort" button triggers sigSpecsChanged, requiring
# sorting and storing the frequency entries
self.f_units.sigSpecsChanged.connect(self.f_specs.sort_dict_freqs)
self.f_units.sigSpecsChanged.connect(
self.t_specs.f_specs.sort_dict_freqs)
# Changing filter parameters / specs requires reloading of parameters
# in other hierarchy levels, e.g. in the plot tabs
# bundle sigSpecsChanged signals and propagate to next hierarchy level
# self.f_units.sigSpecsChanged.connect(self.sigSpecsChanged)
self.f_specs.sigSpecsChanged.connect(self.sigSpecsChanged)
self.t_specs.sigSpecsChanged.connect(self.sigSpecsChanged)
self.a_specs.sigSpecsChanged.connect(self.sigSpecsChanged)
self.a_specs.sigUnitChanged.connect(self.sigViewChanged)
self.w_specs.sigSpecsChanged.connect(self.sigSpecsChanged)
# Other signal-slot connections
self.butDesignFilt.clicked.connect(self.start_design_filt)
self.butQuit.clicked.connect(
self.sigQuit) # pass on to main application
#----------------------------------------------------------------------
self.update_UI() # first time initialization
self.start_design_filt() # design first filter using default values
def _construct_UI(self):
"""
Construct User Interface from all input subwidgets
"""
# Subwidget for selecting filter with response type rt (LP, ...),
# filter type ft (IIR, ...) and filter class fc (cheby1, ...)
self.sel_fil = select_filter.SelectFilter(self)
self.sel_fil.setObjectName("select_filter")
# Subwidget for selecting the frequency unit and range
self.f_units = freq_units.FreqUnits(self)
self.f_units.setObjectName("freq_units")
# Subwidget for Frequency Specs
self.f_specs = freq_specs.FreqSpecs(self)
self.f_specs.setObjectName("freq_specs")
# Subwidget for Amplitude Specs
self.a_specs = amplitude_specs.AmplitudeSpecs(self)
self.a_specs.setObjectName("amplitude_specs")
# Subwidget for Weight Specs
self.w_specs = weight_specs.WeightSpecs(self)
self.w_specs.setObjectName("weight_specs")
# Subwidget for target specs (frequency and amplitude)
self.t_specs = target_specs.TargetSpecs(self,
title="Target Specifications")
self.t_specs.setObjectName("target_specs")
# Subwidget for displaying infos on the design method
self.lblMsg = QLabel(self)
self.lblMsg.setWordWrap(True)
layVMsg = QVBoxLayout()
layVMsg.addWidget(self.lblMsg)
self.frmMsg = QFrame(self)
self.frmMsg.setLayout(layVMsg)
layVFrm = QVBoxLayout()
layVFrm.addWidget(self.frmMsg)
layVFrm.setContentsMargins(*params['wdg_margins'])
self.butDesignFilt = QPushButton("DESIGN FILTER", self)
self.butQuit = QPushButton("Quit", self)
layHButtons = QHBoxLayout()
layHButtons.addWidget(self.butDesignFilt) # <Design Filter> button
layHButtons.addWidget(self.butQuit) # <Quit> button
layHButtons.setContentsMargins(*params['wdg_margins'])
#----------------------------------------------------------------------
# LAYOUT for input specifications and buttons
#----------------------------------------------------------------------
layVMain = QVBoxLayout(self)
layVMain.addWidget(self.sel_fil) # Design method (IIR - ellip, ...)
layVMain.addLayout(layHButtons) # <Design> & <Quit> buttons
layVMain.addWidget(self.f_units) # Frequency units
layVMain.addWidget(self.t_specs) # Target specs
layVMain.addWidget(self.f_specs) # Freq. specifications
layVMain.addWidget(self.a_specs) # Amplitude specs
layVMain.addWidget(self.w_specs) # Weight specs
layVMain.addLayout(layVFrm) # Text message
layVMain.addStretch()
layVMain.setContentsMargins(*params['wdg_margins'])
self.setLayout(layVMain) # main layout of widget
#----------------------------------------------------------------------
# SIGNALS & SLOTS
#
# Changing the filter design requires updating UI because number or
# kind of input fields changes -> Call update_all_UIs, emitting
# sigFilterChanged when it's finished
self.sel_fil.sigFiltChanged.connect(self.update_UI)
# Changing the frequency unit requires re-display of frequency specs
# but it does not influence the actual specs (no specsChanged )
self.f_units.sigUnitChanged.connect(self.f_specs.load_dict)
self.f_units.sigUnitChanged.connect(self.t_specs.load_dict)
self.f_units.sigUnitChanged.connect(self.sigViewChanged)
# Activating the "Sort" button triggers sigSpecsChanged, requiring
# sorting and storing the frequency entries
self.f_units.sigSpecsChanged.connect(self.f_specs.sort_dict_freqs)
self.f_units.sigSpecsChanged.connect(
self.t_specs.f_specs.sort_dict_freqs)
# Changing filter parameters / specs requires reloading of parameters
# in other hierarchy levels, e.g. in the plot tabs
# bundle sigSpecsChanged signals and propagate to next hierarchy level
# self.f_units.sigSpecsChanged.connect(self.sigSpecsChanged)
self.f_specs.sigSpecsChanged.connect(self.sigSpecsChanged)
self.t_specs.sigSpecsChanged.connect(self.sigSpecsChanged)
self.a_specs.sigSpecsChanged.connect(self.sigSpecsChanged)
self.a_specs.sigUnitChanged.connect(self.sigViewChanged)
self.w_specs.sigSpecsChanged.connect(self.sigSpecsChanged)
# Other signal-slot connections
self.butDesignFilt.clicked.connect(self.start_design_filt)
self.butQuit.clicked.connect(
self.sigQuit) # pass on to main application
#----------------------------------------------------------------------
self.update_UI() # first time initialization
self.start_design_filt() # design first filter using default values
