• 本程序整理自《Tkinter_GUI_Application_Development_Blueprints》的第二章。

• 使用python自帶的tkinter模塊構建。

• 使用自帶的IDLE編寫。

• 注釋是自己添加的。

• 注意：此工具欄圖標使用PhotoImage()函數，使用的是gif圖標，其它格式圖標需使用其它函數來讀取圖片信息。

• 圖標庫可以自己做。

• 圖標：

from tkinter import * import tkinter.filedialog import tkinter.messagebox as tmb import os #新建根窗口 root=Tk() #新建Menu實例 menu_bar=Menu(root) file_menu=Menu(menu_bar,tearoff=0) edit_menu=Menu(menu_bar,tearoff=0) view_menu=Menu(menu_bar,tearoff=0) about_menu=Menu(menu_bar,tearoff=0) themes_menu=Menu(menu_bar,tearoff=0)file_name = None #獲取文本行數 def get_line_numbers():output = ''if show_line_number.get():row, col = content_text.index("end").split('.')for i in range(1, int(row)):output +=str(i)+ '\n'return output #更新文本行數 def update_line_numbers(event = None):line_numbers = get_line_numbers()line_number_bar.config(state='normal')line_number_bar.delete('1.0', 'end')line_number_bar.insert('1.0', line_numbers)line_number_bar.config(state='disabled') #高亮當前行 def highlight_line(interval=100):content_text.tag_remove("active_line", 1.0, "end")content_text.tag_add("active_line", "insert linestart", "insert lineend+1c")content_text.after(interval, toggle_highlight) #非高亮當前行 def undo_highlight():content_text.tag_remove("active_line", 1.0, "end") #高亮狀態切換 def toggle_highlight(event=None):if to_highlight_line.get():highlight_line()else:undo_highlight() #顯示光標信息 def show_cursor_info_bar():show_cursor_info_checked = show_cursor_info.get()if show_cursor_info_checked:cursor_info_bar.pack(expand='no', fill=None, side='right', anchor='se')else:cursor_info_bar.pack_forget() #更新光標信息 def update_cursor_info_bar(event=None):row, col = content_text.index(INSERT).split('.')line_num, col_num = str(int(row)), str(int(col)+1) infotext = "Line: {0} | Column: {1}".format(line_num, col_num)cursor_info_bar.config(text=infotext) #當文本內容改變時觸發 def on_content_changed(event=None):update_line_numbers()update_cursor_info_bar() #打開文件 def open_file(event=None):input_file_name=tkinter.filedialog.askopenfilename(defaultextension=".txt", filetypes=[("All Files", "*.*"), ("Text Documents","*.txt")])if input_file_name:global file_namefile_name = input_file_nameroot.title('{} - {}'.format(os.path.basename(file_name), PROGRAM_NAME))content_text.delete(1.0, END)with open(file_name) as _file:content_text.insert(1.0, _file.read())on_content_changed() #保存文件 def save(event=None):global file_nameif not file_name:save_as()else:write_to_file(file_name)return "break" #保存文件為 def save_as(event=None):input_file_name = tkinter.filedialog.asksaveasfilename(defaultextension=".txt", filetypes=[("All Files", "*.*"), ("Text Documents", "*.txt")])if input_file_name:global file_namefile_name = input_file_namewrite_to_file(file_name)root.title('{} - {}'.format(os.path.basename(file_name),PROGRAM_NAME))return "break" #寫入磁盤 def write_to_file(file_name):try:content = content_text.get(1.0, 'end')with open(file_name, 'w') as the_file:the_file.write(content)except IOError:pass #新建文件 def new_file(event=None):root.title("Untitled")global file_namefile_name = Nonecontent_text.delete(1.0,END)on_content_changed() #退出編輯器 def exit_editor(event=None):if tkinter.messagebox.askokcancel("Quit?", "Really quit?"):root.destroy() #剪切 def cut():content_text.event_generate("<<Cut>>")on_content_changed() #復制 def copy():content_text.event_generate("<<Copy>>") #粘貼 def paste():content_text.event_generate("<<Paste>>")on_content_changed() #恢復 def redo(event=None):content_text.event_generate("<<Redo>>")on_content_changed()return 'break' #撤銷 def undo(event=None):content_text.event_generate("<<Undo>>")on_content_changed()return 'break' #全選 def select_all(event=None):content_text.tag_add('sel', '1.0', 'end')return "break" #查找 def find_text(event=None):search_toplevel=Toplevel(root)search_toplevel.title('Find Text')search_toplevel.transient(root)search_toplevel.resizable(False, False)Label(search_toplevel, text="Find All:").grid(row=0, column=0, sticky='e')search_entry_widget = Entry(search_toplevel, width=50)search_entry_widget.grid(row=0, column=1, padx=2, pady=2, sticky='we')search_entry_widget.focus_set()ignore_case_value = IntVar()Checkbutton(search_toplevel, text='Ignore Case',variable=ignore_case_value).grid(row=1, column=1, sticky='e', padx=2, pady=2)Button(search_toplevel, text="Find All", underline=0,command=lambda: search_output( search_entry_widget.get(), ignore_case_value.get(), content_text, search_toplevel,search_entry_widget)).grid(row=0, column=2, sticky='e' +'w', padx=2, pady=2) #關閉查找窗口 def close_search_window():content_text.tag_remove('match', '1.0', END)search_toplevel.destroy()search_toplevel.protocol('WM_DELETE_WINDOW', close_search_window)return "break" #查找結果輸出 def search_output(needle, if_ignore_case, content_text,search_toplevel, search_box):content_text.tag_remove('match', '1.0', END)matches_found = 0if needle:start_pos = '1.0'while True:start_pos = content_text.search(needle, start_pos, nocase=if_ignore_case, stopindex=END)if not start_pos:breakend_pos = '{}+{}c'.format(start_pos, len(needle))content_text.tag_add('match', start_pos, end_pos)matches_found += 1start_pos = end_poscontent_text.tag_config( 'match', foreground='red', background='yellow')search_box.focus_set()search_toplevel.title('{} matches found'.format(matches_found)) #顯示about def display_about_messagebox(event=None):tkinter.messagebox.showinfo("About", "{}{}".format(PROGRAM_NAME, "\nTkinter GUI Application\n Development Blueprints")) #顯示help def display_help_messagebox(event=None):tkinter.messagebox.showinfo("Help", "Help Book: \nTkinter GUI Application\n Development Blueprints", icon='question') #變量初始化 show_cursor_info=BooleanVar() to_highlight_line = BooleanVar() theme_choice=StringVar() show_line_number = IntVar() show_line_number.set(1) #主題 color_schemes = { 'Default': '#000000.#FFFFFF','Greygarious':'#83406A.#D1D4D1','Aquamarine': '#5B8340.#D1E7E0','Bold Beige': '#4B4620.#FFF0E1','Cobalt Blue':'#ffffBB.#3333aa','Olive Green': '#D1E7E0.#5B8340','Night Mode': '#FFFFFF.#000000'} #更換主題 def change_theme(event=None):selected_theme = theme_choice.get()fg_bg_colors = color_schemes.get(selected_theme)foreground_color, background_color = fg_bg_colors.split('.')content_text.config(background=background_color,fg=foreground_color) #File file_menu.add_command(label="New", accelerator='Ctrl+N', compound='left', underline=0,command=new_file) file_menu.add_command(label="Open", accelerator='Ctrl+O', compound='left', underline=0,command=open_file) file_menu.add_command(label="Save", accelerator='Ctrl+S', compound='left', underline=0 ,command= save) file_menu.add_command(label="Save as", accelerator='Shift+Ctrl+S', compound='left', underline=0, command= save_as) file_menu.add_separator() file_menu.add_command(label="Exit", accelerator='Alt+F4', compound='left', underline=0, command= exit_editor) #Edit edit_menu.add_command(label="Undo", accelerator='Ctrl + Z', compound='left',command=undo) edit_menu.add_command(label="Redo", accelerator='Ctrl + Y', compound='left',command=redo) edit_menu.add_separator() edit_menu.add_command(label="Cut", accelerator='Ctrl + X', compound='left',command=cut) edit_menu.add_command(label="Copy", accelerator='Ctrl + C', compound='left',command=copy) edit_menu.add_command(label="Paste", accelerator='Ctrl + V', compound='left',command=paste) edit_menu.add_separator() edit_menu.add_command(label="Find",underline=0, accelerator='Ctrl + F', compound='left',command=find_text) edit_menu.add_separator() edit_menu.add_command(label="Select All",underline=7, accelerator='Ctrl + A', compound='left',command=select_all) #View view_menu.add_checkbutton(label="Show Line Number", variable=show_line_number) view_menu.add_checkbutton(label="Show Cursor Location at Bottom",variable=show_cursor_info, command=show_cursor_info_bar) view_menu.add_checkbutton(label='Highlight Current Line', onvalue=1, offvalue=0, variable=to_highlight_line,command=toggle_highlight) #Themes themes_menu.add_radiobutton(label="Default", variable=theme_choice,command=change_theme) themes_menu.add_radiobutton(label="Aquamarine", variable=theme_choice,command=change_theme) themes_menu.add_radiobutton(label="Bold Beige", variable=theme_choice,command=change_theme) themes_menu.add_radiobutton(label="Cobalt Blue", variable=theme_choice,command=change_theme) themes_menu.add_radiobutton(label="Greygarious", variable=theme_choice,command=change_theme) themes_menu.add_radiobutton(label="Night Mode", variable=theme_choice,command=change_theme) themes_menu.add_radiobutton(label="Olive Green", variable=theme_choice,command=change_theme) view_menu.add_cascade(label="Themes", menu=themes_menu) #About about_menu.add_command(label="About", compound='left', command=display_about_messagebox) about_menu.add_command(label="Help", compound='left', command=display_help_messagebox) #主菜單欄 menu_bar.add_cascade(label='File',menu=file_menu) menu_bar.add_cascade(label='Edit',menu=edit_menu) menu_bar.add_cascade(label='View',menu=view_menu) menu_bar.add_cascade(label='About',menu=about_menu) #窗口名稱 PROGRAM_NAME = " Footprint Editor " root.title(PROGRAM_NAME) #工具欄 shortcut_bar = Frame(root, height=25, background='light sea green') shortcut_bar.pack(expand='no', fill='x') #圖標名稱 icons = ('new_file', 'open_file', 'save', 'cut', 'copy', 'paste','undo', 'redo', 'find_text') for i, icon in enumerate(icons):tool_bar_icon = PhotoImage(file='icons/{}.gif'.format(icon))#圖標文件路徑cmd = eval(icon)tool_bar = Button(shortcut_bar, image=tool_bar_icon, command=cmd)tool_bar.image = tool_bar_icontool_bar.pack(side='left') #左側行數區 line_number_bar = Text(root, width=4, padx=3, takefocus=0, border=0, background='khaki', state='disabled', wrap='none') line_number_bar.pack(side='left', fill='y') #文本內容區和右側滾動條 content_text = Text(root, wrap='word',undo=1) content_text.tag_configure('active_line', background='ivory2') content_text.bind('<Any-KeyPress>', on_content_changed) content_text.pack(expand='yes', fill='both') scroll_bar = Scrollbar(content_text) content_text.configure(yscrollcommand=scroll_bar.set) scroll_bar.config(command=content_text.yview) scroll_bar.pack(side='right', fill='y') #右鍵下拉菜單 popup_menu = Menu(content_text) for i in ('cut', 'copy', 'paste', 'undo', 'redo'):cmd = eval(i)popup_menu.add_command(label=i, compound='left', command=cmd) popup_menu.add_separator() popup_menu.add_command(label='Select All', underline=7, command=select_all) def show_popup_menu(event):popup_menu.tk_popup(event.x_root, event.y_root) content_text.bind('<Button-3>', show_popup_menu) #右下側光標信息顯示 cursor_info_bar = Label(content_text, text='Line: 1 | Column: 1') cursor_info_bar.pack(expand=NO, fill=None, side='right', anchor='se')root.config(menu=menu_bar) root.mainloop()

總結

以上是生活随笔為你收集整理的python制作简单文本编辑器的全部內容，希望文章能夠幫你解決所遇到的問題。

如果覺得生活随笔網站內容還不錯，歡迎將生活随笔推薦給好友。