Files
Phoenix/demo/agw/PeakMeter.py
Scott Talbert 173d079681 Fix a bunch of Python 3.10 issues with pure-Python classes and demos
In Python 3.10, a change[1] was implemented where extension functions
that take integer arguments will no longer silently accept non-integer
arguments (e.g., floats) that can only be converted to integers with a
loss of precision.  This PR fixes most of these issues in the pure-Python
classes and demos by explicitly converting the parameters to int before
passing them to wxWidgets.  There is loss of precision, but this was
happening before (automatically) anyway as most wxWidgets DeviceContext
functions operate using integers.

Additionally, the PR fixes a few sizing issues, mostly with SpinCtrls being
too small on GTK3.

This is an example of the relevant exception:
Traceback (most recent call last):
  File "/usr/lib64/python3.10/site-packages/wx/lib/agw/pygauge.py", line 355, in OnPaint
    r.width = w
TypeError: 'float' object cannot be interpreted as an integer

Fixes #2038.

[1] https://bugs.python.org/issue37999
2021-12-01 14:19:00 -05:00

194 lines
5.8 KiB
Python

#!/usr/bin/env python
import wx
import random
import os
import sys
try:
dirName = os.path.dirname(os.path.abspath(__file__))
except:
dirName = os.path.dirname(os.path.abspath(sys.argv[0]))
sys.path.append(os.path.split(dirName)[0])
try:
from agw import peakmeter as PM
except ImportError: # if it's not there locally, try the wxPython lib.
import wx.lib.agw.peakmeter as PM
class PeakMeterCtrlDemo(wx.Panel):
def __init__(self, parent, log):
wx.Panel.__init__(self, parent)
self.log = log
self.mainPanel = wx.Panel(self)
# Initialize Peak Meter control 1
self.vertPeak = PM.PeakMeterCtrl(self.mainPanel, -1, style=wx.SIMPLE_BORDER, agwStyle=PM.PM_VERTICAL)
# Initialize Peak Meter control 2
self.horzPeak = PM.PeakMeterCtrl(self.mainPanel, -1, style=wx.SUNKEN_BORDER, agwStyle=PM.PM_HORIZONTAL)
self.startButton = wx.Button(self.mainPanel, -1, "Start")
self.stopButton = wx.Button(self.mainPanel, -1, "Stop")
self.staticLine = wx.StaticLine(self.mainPanel)
self.gridCheck = wx.CheckBox(self.mainPanel, -1, "Show Grid")
self.falloffCheck = wx.CheckBox(self.mainPanel, -1, "Show Falloff Effect")
colour = self.mainPanel.GetBackgroundColour()
self.backColour = wx.ColourPickerCtrl(self.mainPanel, colour=colour)
self.lowColour = wx.ColourPickerCtrl(self.mainPanel, colour=wx.GREEN)
self.mediumColour = wx.ColourPickerCtrl(self.mainPanel, colour=wx.YELLOW)
self.highColour = wx.ColourPickerCtrl(self.mainPanel, colour=wx.RED)
self.timer = wx.Timer(self)
self.SetProperties()
self.DoLayout()
self.BindEvents()
def SetProperties(self):
self.vertPeak.SetMeterBands(10, 15)
self.horzPeak.SetMeterBands(10, 15)
self.falloffCheck.SetValue(1)
def DoLayout(self):
frameSizer = wx.BoxSizer(wx.VERTICAL)
mainSizer = wx.BoxSizer(wx.VERTICAL)
horzSizer = wx.BoxSizer(wx.HORIZONTAL)
rightSizer = wx.BoxSizer(wx.VERTICAL)
bottomSizer = wx.BoxSizer(wx.HORIZONTAL)
checkSizer = wx.BoxSizer(wx.VERTICAL)
colourSizer = wx.FlexGridSizer(2, 4, 1, 10)
horzSizer.Add(self.vertPeak, 0, wx.EXPAND|wx.ALL, 15)
horzSizer.Add(self.horzPeak, 0, wx.EXPAND|wx.ALL, 15)
rightSizer.Add(self.startButton, 0, wx.ALL, 5)
rightSizer.Add(self.stopButton, 0, wx.LEFT|wx.RIGHT, 5)
horzSizer.Add(rightSizer, 0, wx.ALIGN_TOP|wx.ALL, 5)
horzSizer.Add((15, 0))
mainSizer.Add(horzSizer, 0, wx.EXPAND)
mainSizer.Add(self.staticLine, 0, wx.EXPAND|wx.ALL, 5)
checkSizer.Add(self.gridCheck, 0, wx.EXPAND|wx.ALL, 5)
checkSizer.Add(self.falloffCheck, 0, wx.EXPAND|wx.LEFT|wx.BOTTOM, 5)
labelBack = wx.StaticText(self.mainPanel, -1, "Background")
labelLow = wx.StaticText(self.mainPanel, -1, "Low Freq")
labelMed = wx.StaticText(self.mainPanel, -1, "Med Freq")
labelHigh = wx.StaticText(self.mainPanel, -1, "High Freq")
colourSizer.Add(labelBack)
colourSizer.Add(labelLow)
colourSizer.Add(labelMed)
colourSizer.Add(labelHigh)
colourSizer.Add(self.backColour, 0, wx.EXPAND)
colourSizer.Add(self.lowColour, 0, wx.EXPAND)
colourSizer.Add(self.mediumColour, 0, wx.EXPAND)
colourSizer.Add(self.highColour, 0, wx.EXPAND)
bottomSizer.Add(checkSizer, 0, wx.EXPAND|wx.ALL, 5)
bottomSizer.Add((0, 0), 1, wx.EXPAND)
bottomSizer.Add(colourSizer, 0, wx.EXPAND|wx.ALL, 5)
bottomSizer.Add((0, 5))
mainSizer.Add(bottomSizer, 0, wx.EXPAND|wx.BOTTOM|wx.RIGHT, 5)
self.mainPanel.SetSizer(mainSizer)
mainSizer.Layout()
frameSizer.Add(self.mainPanel, 1, wx.EXPAND)
self.SetSizer(frameSizer)
frameSizer.Layout()
def BindEvents(self):
self.Bind(wx.EVT_TIMER, self.OnTimer)
self.Bind(wx.EVT_CHECKBOX, self.OnGrid, self.gridCheck)
self.Bind(wx.EVT_CHECKBOX, self.OnFalloff, self.falloffCheck)
self.Bind(wx.EVT_BUTTON, self.OnStart, self.startButton)
self.Bind(wx.EVT_BUTTON, self.OnStop, self.stopButton)
self.Bind(wx.EVT_COLOURPICKER_CHANGED, self.OnPickColour)
def OnTimer(self, event):
# generate 15 random number and set them as data for the meter
nElements = 15
arrayData = []
for i in range(nElements):
nRandom = random.randint(0, 100)
arrayData.append(nRandom)
self.vertPeak.SetData(arrayData, 0, nElements)
self.horzPeak.SetData(arrayData, 0, nElements)
def OnGrid(self, event):
self.vertPeak.ShowGrid(event.IsChecked())
def OnFalloff(self, event):
self.vertPeak.SetFalloffEffect(event.IsChecked())
def OnStart(self, event):
self.timer.Start(1000//2) # 2 fps
self.vertPeak.Start(1000//18) # 18 fps
self.horzPeak.Start(1000//20) # 20 fps
def OnStop(self, event):
self.timer.Stop()
self.vertPeak.Stop()
self.horzPeak.Stop()
def OnPickColour(self, event):
obj = event.GetEventObject()
colour = event.GetColour()
if obj == self.backColour:
self.horzPeak.SetBackgroundColour(colour)
else:
low = self.lowColour.GetColour()
med = self.mediumColour.GetColour()
high = self.highColour.GetColour()
self.horzPeak.SetBandsColour(low, med, high)
#----------------------------------------------------------------------
def runTest(frame, nb, log):
win = PeakMeterCtrlDemo(nb, log)
return win
#----------------------------------------------------------------------
overview = PM.__doc__
if __name__ == '__main__':
import sys,os
import run
run.main(['', os.path.basename(sys.argv[0])] + sys.argv[1:])