class NotebookDemo: def __init__(self, fr): self.fr = fr self.st0 = Style() self.style = ts.ThemedStyle() # Style() self._create_demo_panel() # run this before allBtns self.allBtns = self.ttkbut + self.cbs[1:] + self.rb def _create_demo_panel(self): demoPanel = Frame(self.fr, name="demo") demoPanel.pack(side='top', fill='both', expand='y') # create the notebook self.nb = nb = Notebook(demoPanel, name="nb") # extend bindings to top level window allowing # CTRL+TAB - cycles thru tabs # SHIFT+CTRL+TAB - previous tab # ALT+K - select tab using mnemonic (K = underlined letter) nb.enable_traversal() nb.bind("<<NotebookTabChanged>>", self._on_tab_changed) nb.pack(fill='both', expand='y', padx=2, pady=3) self._create_descrip_tab(nb) self._create_treeview_tab(nb) self._create_text_tab(nb) def _create_descrip_tab(self, nb): # frame to hold contents frame = Frame(nb, name='descrip') # widgets to be displayed on 'Description' tab # position and set resize behaviour frame.rowconfigure(1, weight=1) frame.columnconfigure((0, 1), weight=1, uniform=1) lf = LabelFrame(frame, text='Animals') lf.pack(pady=2, side='left', fill='y') themes = [ 'cat', 'dog', 'horse', 'elephant', 'crocodile', 'bat', 'grouse\nextra line made longer' ] self.ttkbut = [] for t in themes: b = Button(lf, text=t) b.pack(pady=2) self.ttkbut.append(b) lF2 = LabelFrame(frame, text="Theme Combobox") lF2.pack(anchor='nw') themes = list(sorted(self.style.get_themes())) themes.insert(0, "Pick a theme") self.cb = cb = Combobox(lF2, values=themes, state="readonly", height=10) cb.set(themes[0]) cb.bind('<<ComboboxSelected>>', self.change_style) cb.grid(row=0, column=0, sticky='nw', pady=5) lF3 = LabelFrame(frame, text="Entry") lF3.pack(anchor='ne') self.en = Entry(lF3) self.en.grid(row=0, column=0, sticky='ew', pady=5, padx=5) lf1 = LabelFrame(frame, text='Checkbuttons') lf1.pack(pady=2, side='left', fill='y') # control variables self.enabled = IntVar() self.cheese = IntVar() self.tomato = IntVar() self.basil = IntVar() self.oregano = IntVar() # checkbuttons self.cbOpt = Checkbutton(lf1, text='Enabled', variable=self.enabled, command=self._toggle_opt) cbCheese = Checkbutton(text='Cheese', variable=self.cheese, command=self._show_vars) cbTomato = Checkbutton(text='Tomato', variable=self.tomato, command=self._show_vars) sep1 = Separator(orient='h') cbBasil = Checkbutton(text='Basil', variable=self.basil, command=self._show_vars) cbOregano = Checkbutton(text='Oregano', variable=self.oregano, command=self._show_vars) sep2 = Separator(orient='h') self.cbs = [ self.cbOpt, sep1, cbCheese, cbTomato, sep2, cbBasil, cbOregano ] for opt in self.cbs: if opt.winfo_class() == 'TCheckbutton': opt.configure(onvalue=1, offvalue=0) opt.setvar(opt.cget('variable'), 0) opt.pack(in_=lf1, side='top', fill='x', pady=2, padx=5, anchor='nw') lf2 = LabelFrame(frame, text='Radiobuttons', labelanchor='n') lf2.pack(pady=2, side='left', fill='y') self.rb = [] self.happiness = StringVar() for s in ['Great', 'Good', 'OK', 'Poor', 'Awful']: b = Radiobutton(lf2, text=s, value=s, variable=self.happiness, command=lambda s=s: self._show_vars()) b.pack(anchor='nw', side='top', fill='x', pady=2) self.rb.append(b) right = LabelFrame(frame, text='Control Variables') right.pack(pady=2, side='left', fill='y') self.vb0 = Label(right, font=('Courier', 10)) self.vb1 = Label(right, font=('Courier', 10)) self.vb2 = Label(right, font=('Courier', 10)) self.vb3 = Label(right, font=('Courier', 10)) self.vb4 = Label(right, font=('Courier', 10)) self.vb5 = Label(right, font=('Courier', 10)) self.vb0.pack(anchor='nw', pady=3) self.vb1.pack(anchor='nw', pady=3) self.vb2.pack(anchor='nw', pady=3) self.vb3.pack(anchor='nw', pady=3) self.vb4.pack(anchor='nw', pady=3) self.vb5.pack(anchor='nw', pady=3) self._show_vars() # add to notebook (underline = index for short-cut character) nb.add(frame, text='Description', underline=0, padding=2) # ========================================================================= def _create_treeview_tab(self, nb): # Populate the second pane. Note that the content doesn't really matter # tree = None self.backg = ["white", '#f0f0ff'] tree_columns = ("country", "capital", "currency") tree_data = [("Argentina", "Buenos Aires", "ARS"), ("Australia", "Canberra", "AUD"), ("Brazil", "Brazilia", "BRL"), ("Canada", "Ottawa", "CAD"), ("China", "Beijing", "CNY"), ("France", "Paris", "EUR"), ("Germany", "Berlin", "EUR"), ("India", "New Delhi", "INR"), ("Italy", "Rome", "EUR"), ("Japan", "Tokyo", "JPY"), ("Mexico", "Mexico City", "MXN"), ("Russia", "Moscow", "RUB"), ("South Africa", "Pretoria", "ZAR"), ("United Kingdom", "London", "GBP"), ("United States", "Washington, D.C.", "USD")] #test_length = font.Font(family="Times", size=12, weight="bold").measure('Test') #fact = int(test_length / 30 * 20.45) # 30 is the length of Test in Idle fact = font.Font(font="TkDefaultFont").metrics('linespace') self.st0.configure('fact.Treeview', rowheight=fact, font=font.nametofont("TkDefaultFont")) container = Frame(nb) container.grid(sticky='nsew') #(fill='both', expand=True) self.tree = Treeview(container, columns=tree_columns, show="headings", style='fact.Treeview') vsb = Scrollbar(container, orient="vertical", command=self.tree.yview) hsb = Scrollbar(container, orient="horizontal", command=self.tree.xview) self.tree.configure(yscrollcommand=vsb.set, xscrollcommand=hsb.set) self.tree.grid(column=0, row=0, sticky='nsew', in_=container) vsb.grid(column=1, row=0, sticky='ns', in_=container) hsb.grid(column=0, row=1, sticky='ew', in_=container) container.grid_columnconfigure(0, weight=1) container.grid_rowconfigure(0, weight=1) for col in tree_columns: self.tree.heading( col, text=col.title(), command=lambda c=col: self.sortby(self.tree, c, 0)) # XXX tkFont.Font().measure expected args are incorrect according # to the Tk docs self.tree.column(col, width=Font().measure(col.title()), stretch=False) for ix, item in enumerate(tree_data): itemID = self.tree.insert('', 'end', values=item) self.tree.item(itemID, tags=itemID) self.tree.tag_configure(itemID, background=self.backg[ix % 2]) # adjust columns lengths if necessary for indx, val in enumerate(item): ilen = Font().measure(val) if self.tree.column(tree_columns[indx], width=None) < ilen: self.tree.column(tree_columns[indx], width=ilen) sg = Sizegrip(container) sg.grid(sticky='e') nb.add(container, text='Treeview', underline=0, padding=2) # ========================================================================= def _create_text_tab(self, nb): # populate the third frame with other widgets self.pw = PanedWindow(nb, name='pw') self.pw.pack(fill='both', expand=True) lF = LabelFrame(self.pw, text="Slider") fr1 = Frame(lF) fr1.grid(row=0, column=0) from_ = -5 to = 105 value = 19 step = 11 fontSize = 9 scvar = IntVar() #scRange=self.any_number_range(from_,to,step) #scLen = len(scRange[1]) * (fontSize + 10) self.sc = TtkScale(fr1, from_=from_, to=to, variable=scvar, orient='vertical', length=200, showvalue=True, command=lambda s: scvar.set('%d' % float(s)), tickinterval=5, resolution=5) #self.sc = Scale(fr1, from_=from_, to=to, variable=scvar, #orient='vertical',length=scLen, #command=lambda s: scvar.set('%d' % float(s) )) self.sc.set(value) #l1 = Label(fr1,textvariable=scvar,width=5) l1 = Spinbox(fr1, from_=from_, to=to, textvariable=scvar, width=4) l1.grid(row=0, column=0, pady=2) self.sc.grid(row=0, column=1, pady=5, padx=40) fr = Frame(fr1) fr.grid(row=0, column=2) #for ix,sR in enumerate(scRange[1]): #lb = Label(fr, text=sR, font=('Courier New', str(fontSize))) #lb.grid(row=ix, column=1) schvar = IntVar() a = -5 b = 105 #schRange = self.any_number_range(a,b,s=11) #schLen = Font().measure(schRange[0]) self.sch = TtkScale(lF, from_=a, to=b, length=200, variable=schvar, orient='horizontal', showvalue=True, command=lambda s: schvar.set('%d' % float(s)), tickinterval=5, resolution=5) #self.sch = Scale(lF, from_=a, to=b, length=schLen, variable=schvar, #orient='horizontal', #command=lambda s: schvar.set('%d' % float(s) )) self.sch.set(23) #l2 = Label(lF,textvariable=schvar) l2 = Spinbox(lF, from_=a, to=b, textvariable=schvar, width=4) l2.grid(row=1, column=1, pady=2) self.sch.grid(row=2, column=1, pady=40, padx=5, sticky='nw') #l3 = Label(lF,text=schRange[0], font=('Courier New', str(fontSize))) #l3.grid(row=3,column=1,pady=2) self.sch.bind("<ButtonRelease-1>", self.show_x) self.pw.add(lF) lF1 = LabelFrame(self.pw, text="Progress", name='lf') pb1var = IntVar() pb2var = IntVar() self.pbar = Progressbar(lF1, variable=pb1var, length=150, mode="indeterminate", name='pb1', orient='horizontal') self.pb2 = Progressbar(lF1, variable=pb2var, mode='indeterminate', name='pb2', orient='vertical') self.pbar["value"] = 25 self.pbar.grid(row=1, column=0, padx=5, pady=5, sticky='nw') self.pb2.grid(row=1, column=1, padx=5, pady=5, sticky='nw') l3 = Label(lF1, textvariable=pb1var) l3.grid(row=0, column=0, pady=2, sticky='nw') l4 = Label(lF1, textvariable=pb2var) l4.grid(row=0, column=1, pady=2, sticky='nw') start = Button(lF1, text='Start Progress', command=lambda: self._do_bars('start')) stop = Button(lF1, text='Stop Progress', command=lambda: self._do_bars('stop')) start.grid(row=2, column=0, padx=5, pady=5, sticky='nw') stop.grid(row=3, column=0, padx=5, pady=5, sticky='nw') self.pw.add(lF1) # add to notebook (underline = index for short-cut character) nb.add(self.pw, text='Sliders & Others', underline=0) #========================================================================= def _toggle_opt(self): # state of the option buttons controlled # by the state of the Option frame label widget if self.enabled.get() == 1: self.sc.state(['!disabled']) self.sch.state(['!disabled']) self.cb.state(['!disabled']) self.en.state(['!disabled']) self.pbar.state(['!disabled']) self.pb2.state(['!disabled']) else: self.sc.state(['disabled']) self.sch.state(['disabled']) self.cb.state(['disabled']) self.en.state(['disabled']) self.pbar.state(['disabled']) self.pb2.state(['disabled']) for opt in self.allBtns: if opt.winfo_class() != 'TSeparator': if self.cbOpt.instate(('selected', )): opt['state'] = '!disabled' # enable option self.nb.tab(1, state='normal') else: opt['state'] = 'disabled' self.nb.tab(1, state='disabled') self._show_vars() def _show_vars(self): # set text for labels in var_panel to include the control # variable name and current variable value self.vb0['text'] = '{:<11} {:<8}'.format('enabled:', self.enabled.get()) self.vb1['text'] = '{:<11} {:<8}'.format('cheese:', self.cheese.get()) self.vb2['text'] = '{:<11} {:<8}'.format('tomato:', self.tomato.get()) self.vb3['text'] = '{:<11} {:<8}'.format('basil:', self.basil.get()) self.vb4['text'] = '{:<11} {:<8}'.format('oregano:', self.oregano.get()) self.vb5['text'] = '{:<11} {:<8}'.format('happiness:', self.happiness.get()) def sortby(self, tree, col, descending): """Sort tree contents when a column is clicked on.""" # grab values to sort data = [(tree.set(child, col), child) for child in tree.get_children('')] # reorder data data.sort(reverse=descending) for indx, item in enumerate(data): tree.move(item[1], '', indx) # switch the heading so that it will sort in the opposite direction tree.heading(col, command=lambda col=col: self.sortby( tree, col, int(not descending))) # reconfigure tags after ordering list_of_items = tree.get_children('') for i in range(len(list_of_items)): tree.tag_configure(list_of_items[i], background=self.backg[i % 2]) def any_number_range(self, a, b, s=1): """ Generate consecutive values list between two numbers with optional step (default=1).""" if (a == b): return a else: mx = max(a, b) mn = min(a, b) result = [] output = '' # inclusive upper limit. If not needed, delete '+1' in the line #below while (mn < mx + 1): # if step is positive we go from min to max if s > 0: result.append(mn) mn += s # if step is negative we go from max to min if s < 0: result.append(mx) mx += s # val maxLen = 0 output = "" for ix, res in enumerate(result[:-1]): # last value ignored if len(str(res)) > maxLen: maxLen = len(str(res)) if maxLen == 1: # converts list to string output = ' '.join(str(i) for i in result) else: for ix, res in enumerate(result): if maxLen == 2: if len(str(res)) == 1: output = output + str(res) + " " * maxLen elif len(str(res)) == 2: output = output + str(res) + " " else: output = output + str(res) return output, result def _do_bars(self, op): pbar = self.pbar.nametowidget('.fr.demo.nb.pw.lf.pb1') pb2 = self.pb2.nametowidget('.fr.demo.nb.pw.lf.pb2') if op == 'start': pbar.start() pb2.start() else: pbar.stop() pb2.stop() def change_style(self, event=None): """set the Style to the content of the Combobox""" content = self.cb.get() try: self.style.theme_use(content) fact = font.Font(font="TkDefaultFont").metrics('linespace') self.st0.configure('font.Treeview', rowheight=fact, font=font.nametofont("TkDefaultFont")) except TclError as err: messagebox.showerror('Error', err) else: root.title(content) def change_theme(self, theme): window = ttktheme.ThemedTk() window.set_theme(theme) root.title(theme) def _on_tab_changed(self, event): event.widget.update_idletasks() tab = event.widget.nametowidget(event.widget.select()) event.widget.configure(height=tab.winfo_reqheight(), width=tab.winfo_reqwidth())