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106 lines
3.5 KiB
106 lines
3.5 KiB
"""
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tk_widgets.py - some simple widgets generated by Tcl/Tk
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"""
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import os
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import sys
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from tkinter import Tk, messagebox, simpledialog, filedialog
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class SimpleWidgets:
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""" Simple widgets """
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def __init__(self):
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app_name = os.path.basename(sys.argv[0])
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base, ext = os.path.splitext(app_name)
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if ext.lower() in ('.py', '.pyw', '.exe'):
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app_name = base
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if sys.platform.startswith("darwin"):
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# Set app name, if PyObjC is installed
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# Python 3: pip3 install pyobjc-framework-Cocoa
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try:
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from Foundation import NSBundle
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bundle = NSBundle.mainBundle()
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if bundle:
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app_info = bundle.localizedInfoDictionary() or bundle.infoDictionary()
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if app_info:
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app_info['CFBundleName'] = app_name
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except ImportError:
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pass
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self._root = Tk()
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self._root.withdraw()
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self._app_name = app_name
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def alert(self, title, text):
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""" show alert """
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if title is None:
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title = self._app_name
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messagebox.showerror(title, text)
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def info(self, title, text):
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""" show info """
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if title is None:
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title = self._app_name
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messagebox.showinfo(title, text)
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def get_text(self, title, label, default=""):
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""" get text """
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if title is None:
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title = self._app_name
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val = simpledialog.askstring(title, label, initialvalue=default)
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return val
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def get_int(self, title, label, default=0,
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min_val=-2147483647, max_val=2147483647):
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""" get integer """
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if title is None:
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title = self._app_name
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val = simpledialog.askinteger(title, label, initialvalue=default,
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minvalue=min_val, maxvalue=max_val)
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return val
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def get_float(self, title, label, default=0.0,
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min_val=-2147483647.0, max_val=2147483647.0):
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""" get float """
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if title is None:
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title = self._app_name
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val = simpledialog.askfloat(title, label, initialvalue=default,
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minvalue=min_val, maxvalue=max_val)
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return val
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def get_open_filename(self, title, start_dir="", filters=None):
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"""
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get filename to open
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filters is a sequence of (label, pattern) tuples.
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"""
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if title is None:
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title = self._app_name
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start_dir = os.path.expanduser(start_dir)
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if filters:
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val = filedialog.askopenfilename(title=title, initialdir=start_dir,
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filetypes=filters)
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else:
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val = filedialog.askopenfilename(title=title, initialdir=start_dir)
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if not val:
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val = None
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return val
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def get_save_filename(self, title, start_dir="", filters=None):
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"""
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get filename to save
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filters is a sequence of (label, pattern) tuples.
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"""
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if title is None:
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title = self._app_name
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start_dir = os.path.expanduser(start_dir)
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if filters:
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val = filedialog.asksaveasfilename(title=title,
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initialdir=start_dir,
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filetypes=filters)
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else:
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val = filedialog.asksaveasfilename(title=title,
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initialdir=start_dir)
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if not val:
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val = None
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return val
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