Python Tk.focus_force方法代码示例

# 需要导入模块: from Tkinter import Tk [as 别名]
# 或者: from Tkinter.Tk import focus_force [as 别名]
def main():
  root = Tk() # create tkinter window
  root.lower() # send tkinter window to back

  # create main app
  app = App(root)

  # Bring GUI to front # app.master = root
  root.lift() # bring tk window to front if initialization finishes
  root.focus_force() # make tk window active one (so you don't need to click on it for hotkeys to work)
  root.mainloop() # start Tkinter GUI loop

# 需要导入模块: from Tkinter import Tk [as 别名]
# 或者: from Tkinter.Tk import focus_force [as 别名]
def pickaudiofile():
    FilePicker = Tk()
    FilePicker.withdraw()  # we don't want a full GUI, so keep the root window from appearing
    FilePicker.focus_force()
    filename = tkFileDialog.askopenfilename(filetypes = [('Wav files', '.wav')])

    # Assert file selected
    if filename == "":
        print("File select canceled.")
        sys.exit(0)

    FilePicker.destroy()  # Destory our TKinter instance

    return filename

# 需要导入模块: from Tkinter import Tk [as 别名]
# 或者: from Tkinter.Tk import focus_force [as 别名]
def getsavefilename():
    FilePicker = Tk()
    FilePicker.withdraw() # we don't want a full GUI, so keep the root window from appearing
    FilePicker.lift()
    FilePicker.focus_force()
    filename = tkFileDialog.asksaveasfilename(defaultextension=".wav")

    if filename == "":
        print("File select canceled.")
        sys.exit(0)

    FilePicker.destroy()  # Destory our TKinter instance

    return filename

# 需要导入模块: from Tkinter import Tk [as 别名]
# 或者: from Tkinter.Tk import focus_force [as 别名]
def get_files(titlestring,filetype = ('.txt','*.txt')):
     
    # Make a top-level instance and hide since it is ugly and big.
    root = Tk()
    root.withdraw()
    
    # Make it almost invisible - no decorations, 0 size, top left corner.
    root.overrideredirect(True)
    root.geometry('0x0+0+0')
#    
    # Show window again and lift it to top so it can get focus,
    # otherwise dialogs will end up behind the terminal.
    root.deiconify()
    root.attributes("-topmost",1)
    root.focus_force()

    filenames = []
     
    filenames = tkFileDialog.askopenfilename(title=titlestring, filetypes=[filetype],multiple='True')
    
    #do nothing if already a python list
    if filenames == "": 
        print "You didn't open anything!"  
        return
    
    root.destroy()
    
    if isinstance(filenames,list):
        result = filenames   
    elif isinstance(filenames,tuple): 
        result = list(filenames)
    else:
        #http://docs.python.org/library/re.html
        #the re should match: {text and white space in brackets} AND anynonwhitespacetokens
        #*? is a non-greedy match for any character sequence
        #\S is non white space
    
        #split filenames string up into a proper python list
        result = re.findall("{.*?}|\S+",filenames)
    
        #remove any {} characters from the start and end of the file names
        result = [ re.sub("^{|}$","",i) for i in result ] 
    result.sort()
    return result

# 需要导入模块: from Tkinter import Tk [as 别名]
# 或者: from Tkinter.Tk import focus_force [as 别名]
    def prompt_gui(self, name, propagate_exception = False):
        ''' Returns None if failed to load tkinter or open display.
        (unless propagate_exception == True).'''
        
        ''' I thought about caching and reusing the tkinter instance, but it might be hard
        to properly temporarily exit from mainloop and suspend the application.
        Anyway, it takes like 10ms to restart it.'''
        try:
            from Tkinter import Tk, Label, Frame, Entry, StringVar
            root = Tk()
        except:
            if propagate_exception:
                raise
            return None

        root.title('Enter value for \'%s\':' % name)
        frame = Frame(root)
        frame.pack(fill = 'y', expand = True)

        label = Label(frame, text='Enter value for \'%s\':' % name)
        label.pack(side='left')
        
        var = StringVar()
        entry = Entry(frame, textvariable = var)
        entry.pack(side='left')
        
        result = []
        root.bind('<Return>', lambda ev: (result.append(var.get()), root.destroy()))
        ws = root.winfo_screenwidth()
        hs = root.winfo_screenheight()
        root.geometry('+%d+%d' % (ws * 0.4, hs * 0.4))
        entry.focus()
        
        # If I don't do this then for some reason the window doesn't get focus
        # on the second and following invocations. 
        root.focus_force()

        root.mainloop()
        if not len(result):
            # mimic the behaviour of CLI version
            raise KeyboardInterrupt()
        return result[0]

# 需要导入模块: from Tkinter import Tk [as 别名]
# 或者: from Tkinter.Tk import focus_force [as 别名]
def main():
    root = Tk()
    root.title('Video Labeler')
    root.focus_force()
    root.update()
    input_filename = tkFileDialog.askopenfilename(title="Select a video file to label", initialdir=os.path.expanduser('~'))
    if not input_filename:
        sys.exit()
    root.update()
    root.withdraw()

    cmd = ['./ffplay', input_filename, '-vf', 'pad=iw:ih+32']
    proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=open('/dev/null'))
    csv_output, _ = proc.communicate()

    lines = csv_output.splitlines()

    intervals = {}

    for line in lines:
        if line.startswith('#') or not line:
            continue
        tokens = line.split(',')
        class_name = tokens[0]
        start_time = float(tokens[1])
        duration = float(tokens[2])
        if class_name not in intervals:
            intervals[class_name] = intervaltree.IntervalTree()
        intervals[class_name].add(intervaltree.Interval(start_time, start_time + duration))

    output_json = {}
    for class_name, tree in intervals.items():
        tree.merge_overlaps()
        output_json[class_name] = [{'start': i[0], 'end': i[1]} for i in tree.items()]
    default_filename = os.path.splitext(os.path.basename(input_filename))[0] + '.txt'
    out_filename = tkFileDialog.asksaveasfilename(defaultextension=".txt", initialfile=default_filename,
        message=SAVE_MSG, title=SAVE_MSG)
    if not out_filename:
        sys.exit()
    open(out_filename, 'w').write(json.dumps(output_json, indent=4))

# 需要导入模块: from Tkinter import Tk [as 别名]
# 或者: from Tkinter.Tk import focus_force [as 别名]
def set_dir(titlestring):    
     
    # Make a top-level instance and hide since it is ugly and big.
    root = Tk()
    root.withdraw()
    
    # Make it almost invisible - no decorations, 0 size, top left corner.
    root.overrideredirect(True)
    root.geometry('0x0+0+0')
#    
    # Show window again and lift it to top so it can get focus,
    # otherwise dialogs will end up behind the terminal.
    root.deiconify()
    root.attributes("-topmost",1)
    root.focus_force()
    
    file_path = tkFileDialog.askdirectory(parent=root,title=titlestring)
     
    if file_path != "":
       return str(file_path)
     
    else:
       print "you didn't open anything!"
    
    # Get rid of the top-level instance once to make it actually invisible.
    root.destroy()