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https://github.com/saitohirga/WSJT-X.git
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74 lines
2.2 KiB
Python
74 lines
2.2 KiB
Python
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"""
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A basic widget for showing the progress
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being made in a task.
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"""
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from Tkinter import *
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class Smeter:
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def __init__(self, master=None, orientation="horizontal",
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min=0, max=100, width=100, height=18,
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doLabel=1, appearance="sunken",
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fillColor="blue", background="gray",
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labelColor="yellow", labelFont="Verdana",
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labelText="", labelFormat="%d%%",
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value=50, bd=2):
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# preserve various values
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self.master=master
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self.orientation=orientation
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self.min=min
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self.max=max
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self.width=width
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self.height=height
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self.doLabel=doLabel
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self.fillColor=fillColor
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self.labelFont= labelFont
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self.labelColor=labelColor
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self.background=background
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self.labelText=labelText
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self.labelFormat=labelFormat
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self.value=value
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self.frame=Frame(master, relief=appearance, bd=bd)
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self.canvas=Canvas(self.frame, height=height, width=width, bd=0,
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highlightthickness=0, background=background)
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self.scale=self.canvas.create_rectangle(0, 0, width, height,
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fill=fillColor)
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self.label=self.canvas.create_text(self.canvas.winfo_reqwidth() / 2,
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height / 2, text=labelText,
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anchor="c", fill=labelColor,
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font=self.labelFont)
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self.update()
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self.canvas.pack(side='top', fill='x', expand='no')
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def updateProgress(self, newValue, newMax=None):
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if newMax:
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self.max = newMax
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self.value = newValue
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self.update()
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def update(self):
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# Trim the values to be between min and max
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value=self.value
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if value > self.max:
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value = self.max
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if value < self.min:
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value = self.min
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# Adjust the rectangle
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if self.orientation == "horizontal":
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self.canvas.coords(self.scale, 0, 0,
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float(value) / self.max * self.width, self.height)
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else:
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self.canvas.coords(self.scale, 0,
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self.height - (float(value) / self.max*self.height),
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self.width, self.height)
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# Now update the colors
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self.canvas.itemconfig(self.scale, fill=self.fillColor)
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self.canvas.itemconfig(self.label, fill=self.labelColor)
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# And update the label
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if self.doLabel:
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dB=int((value-50.0)/2.5)
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t='%d dB'%dB
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self.canvas.itemconfig(self.label, text=t)
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self.canvas.update_idletasks()
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