133 lines
4.2 KiB
Python
133 lines
4.2 KiB
Python
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import Tkinter as tk
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from ScrolledText import ScrolledText
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from glob import glob
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from common import splitfn
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#from IPython.Shell import IPShellEmbed
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#ipshell = IPShellEmbed()
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exclude_list = ['demo', 'common']
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class LinkManager:
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def __init__(self, text, url_callback = None):
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self.text = text
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self.text.tag_config("link", foreground="blue", underline=1)
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self.text.tag_bind("link", "<Enter>", self._enter)
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self.text.tag_bind("link", "<Leave>", self._leave)
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self.text.tag_bind("link", "<Button-1>", self._click)
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self.url_callback = url_callback
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self.reset()
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def reset(self):
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self.links = {}
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def add(self, action):
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# add an action to the manager. returns tags to use in
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# associated text widget
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tag = "link-%d" % len(self.links)
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self.links[tag] = action
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return "link", tag
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def _enter(self, event):
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self.text.config(cursor="hand2")
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def _leave(self, event):
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self.text.config(cursor="")
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def _click(self, event):
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for tag in self.text.tag_names(tk.CURRENT):
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if tag.startswith("link-"):
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proc = self.links[tag]
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if callable(proc):
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proc()
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else:
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if self.url_callback:
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self.url_callback(proc)
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class App:
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def __init__(self):
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root = tk.Tk()
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root.title('OpenCV Demo')
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self.win = win = tk.PanedWindow(root, orient=tk.HORIZONTAL, sashrelief=tk.RAISED, sashwidth=4)
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self.win.pack(fill=tk.BOTH, expand=1)
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left = tk.Frame(win)
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right = tk.Frame(win)
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win.add(left)
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win.add(right)
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scrollbar = tk.Scrollbar(left, orient=tk.VERTICAL)
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self.demos_lb = demos_lb = tk.Listbox(left, yscrollcommand=scrollbar.set)
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scrollbar.config(command=demos_lb.yview)
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scrollbar.pack(side=tk.RIGHT, fill=tk.Y)
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demos_lb.pack(side=tk.LEFT, fill=tk.BOTH, expand=1)
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self.samples = {}
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for fn in glob('*.py'):
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name = splitfn(fn)[1]
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if fn[0] != '_' and name not in exclude_list:
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demos_lb.insert(tk.END, name)
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self.samples[name] = fn
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demos_lb.bind('<<ListboxSelect>>', self.on_demo_select)
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self.text = text = ScrolledText(right, font=('arial', 12, 'normal'), width = 30, wrap='word')
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text.pack(fill='both', expand=1)
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self.linker = linker = LinkManager(text, self.on_link)
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self.text.tag_config("header1", font=('arial', 14, 'bold'))
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self.text.tag_config("header2", font=('arial', 12, 'bold'))
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text.config(state='disabled')
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def on_link(self, url):
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print url
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def on_demo_select(self, evt):
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name = self.demos_lb.get( self.demos_lb.curselection()[0] )
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fn = self.samples[name]
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loc = {}
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execfile(fn, loc)
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descr = loc.get('__doc__', 'no-description')
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self.linker.reset()
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self.text.config(state='normal')
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self.text.delete(1.0, tk.END)
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self.format_text(descr)
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self.text.config(state='disabled')
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def format_text(self, s):
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text = self.text
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lines = s.splitlines()
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for i, s in enumerate(lines):
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s = s.rstrip()
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if i == 0 and not s:
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continue
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sn = len(s)
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if s and s == '='*sn:
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text.tag_add('header1', 'end-2l', 'end-1l')
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elif s and s == '-'*sn:
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text.tag_add('header2', 'end-2l', 'end-1l')
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else:
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text.insert('end', s+'\n')
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def format_line(self, s):
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text = self.text
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pos, n = 0, len(s)
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while pos < n:
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next = s.find('http://', pos)
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if next < 0:
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next = n
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test.insert(tk.END, s[pos:next])
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pos = next
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#text.insert(tk.END, "click here!", linker.add('http://asdfsdaf'))
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def run(self):
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tk.mainloop()
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if __name__ == '__main__':
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App().run()
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