tkinter是Python下面向tk的圖形界面接口庫,可以方便地進行圖形界面設計和交互操作編程。tkinter的優點是簡單易用、與Python的結合度好。tkinter在Python 3.x下默認集成,不需要額外的安裝操作;不足之處為缺少合適的可視化界面設計工具,需要通過代碼來完成窗口設計和元素布局。
本節采用的Python版本為3.x,如果想在python 2.x下使用tkinter,請通過apt-get進行安裝。需要注意的是,不同Python版本下的tkinter使用方式可能略有不同,建議采用Python3。
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import tkinter as tk import tkinter.scrolledtext as tkst import fileinput from tkinter import * import os import win32clipboard import tkinter.font t1 = [] root = None def die(event = None ): root.destroy() def about(): messagebox.showinfo(title = "當前版本為1.0,歡迎使用" ,message = "**作者:韓東\n**狀態:繼續努力ing" ) #def newit(event): #editorit = editor() #editorit.neweditor() class editor(): def __init__( self ,rt): if rt = = None : self .t = tk.Tk() else : self .t = tk.Toplevel(rt) self .t.title( "文本編輯器%d" % ( len (t1) + 1 )) self .frm_file = tk.Frame(rt) self .frm_file.grid(row = 0 ,column = 0 ,padx = 0 ,sticky = W) self .btn_open = Button( self .frm_file,text = "打開" ,relief = GROOVE,command = self .openfile) self .btn_open.pack(side = LEFT,padx = 5 ,fill = BOTH,expand = 1 ) self .btn_new = Button( self .frm_file,text = "新建" ,relief = GROOVE,command = self .neweditor) self .btn_new.pack(side = LEFT,padx = 5 ,fill = BOTH) self .btn_save = Button( self .frm_file,text = "保存" ,relief = GROOVE,command = self .savefile) self .btn_save.pack(side = LEFT,padx = 5 ,fill = BOTH) self .btn_saveas = Button( self .frm_file,text = "另存為" ,relief = GROOVE,command = self .saveasfile) self .btn_saveas.pack(side = LEFT,padx = 5 ,fill = BOTH) self .btn_exit = Button( self .frm_file,text = "退出" ,relief = GROOVE,command = self .close) self .btn_exit.pack(side = RIGHT,padx = 5 ,fill = BOTH) self .frm_edit = tk.Frame(rt) self .frm_edit.grid(row = 0 ,column = 1 ,padx = 1 ,sticky = W) self .btn_copy = Button( self .frm_edit,text = "復制" ) self .btn_copy.pack(side = LEFT,padx = 5 ,fill = BOTH,expand = 1 ) self .btn_cut = Button( self .frm_edit,text = "剪切" ) self .btn_cut.pack(side = LEFT,padx = 5 ,fill = BOTH,expand = 1 ) self .btn_paste = Button( self .frm_edit,text = "黏貼" ) self .btn_paste.pack(side = LEFT,padx = 5 ,fill = BOTH,expand = 1 ) self .btn_find = Button( self .frm_edit,text = "查詢" ) self .btn_find.pack(side = LEFT,padx = 5 ,fill = BOTH,expand = 1 ) self .btn_allselect = Button( self .frm_edit,text = "全選" ) self .btn_allselect.pack(side = LEFT,padx = 5 ,fill = BOTH,expand = 1 ) self .btn_font = Button( self .frm_edit,text = "字體樣式" ) self .btn_font.pack(side = LEFT,padx = 5 ,fill = BOTH,expand = 1 ) self .btn_color = Button( self .frm_edit,text = "字體顏色" ) self .btn_color.pack(side = LEFT,padx = 5 ,fill = BOTH,expand = 1 ) self .bar = tk.Menu(rt) self .filem = tk.Menu( self .bar) self .filem.add_separator() self .filem.add_command(label = "新建" ,command = self .neweditor,accelerator = " Ctr +N" ) self .filem.bind_all( "<Control-n>" , self .neweditor) self .filem.add_separator() self .filem.add_command(label = "打開" ,command = self .openfile,accelerator = " Ctr + O" ) self .filem.bind_all( "<Control-o>" , self .openfile) self .filem.add_separator() self .filem.add_command(label = "保存" ,command = self .savefile,accelerator = " Ctr +S " ) self .filem.bind_all( "<Control-s>" , self .savefile) self .filem.add_separator() self .filem.add_command(label = "另存為" ,command = self .saveasfile,accelerator = " Ctr + D " ) self .filem.bind_all( "<Control-d>" , self .saveasfile) self .filem.add_command(label = "關閉" ,command = self .close,accelerator = " F4" ) self .filem.bind_all( "<F4>" , self .close) self .filem.add_separator() self .filem.add_command(label = "退出" ,command = die,accelerator = " ESC" ) self .filem.bind_all( "<Escape>" ,die) self .editm = tk.Menu( self .bar) self .editm.add_separator() self .editm.add_command(label = "復制" ,command = self .copy,accelerator = " " * 10 + "Ctr + C" ) self .editm.bind_all( "<Control-c>" , self .copy) self .editm.add_separator() self .editm.add_command(label = "黏貼" ,command = self .paste,accelerator = " " * 10 + "Ctr + V" ) self .editm.bind_all( "<Control-v>" , self .paste) self .editm.add_separator() self .editm.add_command(label = "剪切" ,command = self .cut,accelerator = " " * 10 + "Ctr + X" ) self .editm.bind_all( "<Control-x>" , self .cut) self .editm.add_separator() self .editm.add_command(label = "刪除" ,command = self .delete_text,accelerator = " " * 10 + "Delete" ) self .editm.bind_all( "<Delete>" , self .delete_text) self .editm.add_separator() self .editm.add_command(label = "查找" ,command = self .find_char,accelerator = " " * 10 + "Ctr +F" ) self .editm.bind_all( "<Control-f>" , self .find_char) self .editm.add_separator() self .editm.add_command(label = "全選" ,command = self .select_char_all,accelerator = " " * 10 + "Ctr + A" ) self .editm.bind_all( "<Control-a>" , self .select_char_all) self .formm = tk.Menu( self .bar) self .formm.add_command(label = "字體顏色" ,command = self .color_it,accelerator = " " * 10 + "Alt + C" ) self .formm.bind_all( "<Alt-f>" , self .color_it) self .formm.add_separator() self .formm.add_command(label = "字體格式" ,command = self .font_it,accelerator = " " * 10 + "Alt + F" ) self .formm.bind_all( "<Alt-f>" , self .font_it) self .helpm = tk.Menu( self .bar) self .helpm.add_command(label = "關于" ,command = about) self .bar.add_cascade(label = "文件" ,menu = self .filem) self .bar.add_cascade(label = "編輯" ,menu = self .editm) self .bar.add_cascade(label = "格式" ,menu = self .formm) self .bar.add_cascade(label = "幫助" ,menu = self .helpm) self .t.config(menu = self .bar) #self.f = tk.Frame(self.t,width = 512) #self.f.pack(expand =1) self .st = tkst.ScrolledText( self .t) self .st.grid(row = 1 ,column = 0 ,columnspan = 3 ,pady = 3 ) def close( self ,event = None ): self .t.destroy() def openfile( self ,event = None ): oname = filedialog.askopenfilename(filetypes = [( "打開文件" , "*.txt" )]) if oname: for line in fileinput. input (oname): self .st.insert( "1.0" ,line) self .t.title(oname) def savefile( self ,event = None ): if os.path.isfile( self .t.title()): opf = open ( self .t.title(), "w" ) opf.write( self .st.get( 1.0 ,tk.END)) opf.flush() opf.close() else : sname = filedialog.asksaveasfilename(title = "保存好你的寶寶喲" ,filetypes = [( "保存文件" , "*.txt" )],defaultextension = ".txt" ) if sname: ofp = open (sname, "w" ) ofp.write( self .st.get( 1.0 ,tk.END)) ofp.flush() ofp.close() self .t.title(sname) def saveasfile( self ,event = None ): sname = filedialog.asksaveasfilename(title = "保存好你的寶寶喲" ,filetypes = [( "保存文件" , "*.txt" )],defaultextension = ".txt" ) if sname: ofp = open (sname, "w" ) ofp.write( self .st.get( 1.0 ,tk.END)) ofp.flush() ofp.close() self .t.title(sname) def neweditor( self ,event = None ): global root t1.append(editor(root)) def copy( self ,event = None ): text = self .st.get(tk.SEL_FIRST,tk.SEL_LAST) self .st.clipboard_clear() self .st.clipboard_append(text) def paste( self ,event = None ): try : text = self .st.selection_get(selection = "CLIPBOARD" ) self .st.insert(tk.INSERT,text) self .st.clipboard_clear() except tk.TclError: pass def cut( self ,event = None ): text = self .st.get(tk.SEL_FIRST,tk.SEL_LAST) self .st.delete(tk.SEL_FIRST,tk.SEL_LAST) self .st.clipboard_clear() self .st.clipboard_append(text) def delete_text( self ): self .st.delete(tk.SEL_FIRST,tk.SEL_LAST) def find_char( self ,event = None ): target = simpledialog.askstring( "簡易文本編輯器" , "尋找字符串" ) if target: end = self .st.index(tk.END) print (end) endindex = end.split( "." ) end_line = int (endindex[ 0 ]) end_column = int (endindex[ 1 ]) pos_line = 1 pos_column = 0 length = len (target) while pos_line < = end_line : if pos_line = = end_line and pos_column + length > end_column: break elif pos_line < end_line and pos_column + length > 500 : pos_line = pos_line + 1 pos_column = (pos_column + length) - 500 if pos_column > end_column: break else : pos = str (pos_line) + "." + str (pos_column) where = self .st.search(target,pos,tk.END) if where: print (where) where1 = where.split( "." ) sele_end_col = str ( int (where1[ 1 ]) + length) sele = where1[ 0 ] + "." + sele_end_col self .st.tag_add(tk.SEL,where,sele) self .st.mark_set(tk.INSERT,sele) self .st.see(tk.INSERT) self .st.focus() again = messagebox.askokcancel(title = "繼續查詢么" ) if again: pos_line = int (where1[ 0 ]) pos_column = int (sele_end_col) else : aa = messagebox.showinfo(title = "你終于還是放棄了我" ,message = "你放棄了我--!" ) if aa: sys.exit() def select_char_all( self ,event = None ): self .st.tag_add(tk.SEL, 1.0 ,tk.END) self .st.see(tk.INSERT) self .st.focus() def color_it( self ,event = None ): color = colorchooser.askcolor() self .st[ "foreground" ] = color[ 1 ] def font_it( self ,event = None ): self .t_font = tk.Toplevel() self .t_font.title( "字體選擇面板" ) self .label_size = Label( self .t_font,text = "字體大小" ) self .label_shape = Label( self .t_font,text = "字體形狀" ) self .label_font = Label( self .t_font,text = "字體類型" ) self .label_weight = Label( self .t_font,text = "字體粗細" ) self .label_size.grid(row = 0 ,column = 0 ,padx = 30 ) self .label_shape.grid(row = 0 ,column = 4 ,padx = 30 ) self .label_font.grid(row = 0 ,column = 2 ,padx = 30 ) self .label_weight.grid(row = 0 ,column = 6 ,padx = 30 ) self .scroll_size = Scrollbar( self .t_font) self .scroll_size.grid(row = 1 ,column = 1 ,stick = NS) self .scroll_shape = Scrollbar( self .t_font) self .scroll_shape.grid(row = 1 ,column = 3 ,stick = NS) self .scroll_font = Scrollbar( self .t_font) self .scroll_font.grid(row = 1 ,column = 5 ,stick = NS) self .scroll_weight = Scrollbar( self .t_font) self .scroll_weight.grid(row = 1 ,column = 7 ,stick = NS) list_var_font = StringVar() list_var_size = StringVar() list_var_shape = StringVar() list_var_weight = StringVar() self .list_font = Listbox( self .t_font,selectmode = BROWSE,listvariable = list_var_font,exportselection = 0 ) self .list_font.grid(row = 1 ,column = 2 ,padx = 4 ) list_font_item = [ "\"Arial\"" , "\"Arial Baltic\"" , "\"Arial Black\"" , "\"Arial CE\"" , "\"Arial CYR\"" , "\"Arial Greek\"" , "\"Arial Narrow\"" , "\"Arial TUR\"" , "\"Baiduan Number\"" , "\"Batang,BatangChe\"" ] for item in list_font_item: self .list_font.insert( 0 ,item) self .list_font.bind( "<ButtonRelease-1>" , self .change_font) self .list_shape = Listbox( self .t_font,selectmode = BROWSE,listvariable = list_var_shape,exportselection = 0 ) self .list_shape.grid(row = 1 ,column = 4 ,padx = 4 ) list_shape_item = [ "italic" , "roman" ] for item in list_shape_item: self .list_shape.insert( 0 ,item) self .list_shape.bind( "<ButtonRelease-1>" , self .change_shape) self .list_size = Listbox( self .t_font,selectmode = BROWSE,listvariable = list_var_size,exportselection = 0 ) self .list_size.grid(row = 1 ,column = 0 ,padx = 4 ) list_size_item = [ 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 ] for item in list_size_item : self .list_size.insert( 0 ,item) self .list_size.bind( "<ButtonRelease-1>" , self .change_size) self .list_weight = Listbox( self .t_font,selectmode = BROWSE,listvariable = list_var_weight,exportselection = 0 ) self .list_weight.grid(row = 1 ,column = 6 ,padx = 4 ) list_weight_item = [ "bold" , "normal" ] for item in list_weight_item: self .list_weight.insert( 0 ,item) self .list_weight.bind( "<ButtonRelease-1>" , self .change_weight) self .labFra_display = LabelFrame( self .t_font,text = "字體樣式演示區域" ) self .labFra_display.grid(row = 2 ,column = 0 ,pady = 4 ) self .lab_display = Label( self .labFra_display,text = "我在這里" ) self .lab_display.pack() self .btn_ok = Button( self .t_font,text = "確定" ,width = 10 ,height = 2 ,command = self .change) self .btn_ok.grid(row = 2 ,column = 2 ,pady = 4 ) self .btn_cancel = Button( self .t_font,width = 10 ,height = 2 ,text = "取消" ,command = self .exit_subwindow) self .btn_cancel.grid(row = 2 ,column = 4 ,pady = 4 ) def change_size( self ,event): tk.customFont = font.Font(family = "Helvetica" ,size = 12 ,weight = "normal" ,slant = "roman" ,underline = 0 ) size = tk.customFont[ "size" ] tk.customFont.configure(size = self .list_size.get( self .list_size.curselection())) self .st.config(font = tk.customFont) self .size_count = 1 pass def change_font( self ,event): tk.customFont = font.Font(family = "Helvetica" ,size = 12 ,weight = "normal" ,slant = "roman" ,underline = 0 ) family = tk.customFont[ "family" ] tk.customFont.configure(family = self .list_font.get( self .list_font.curselection())) self .st.config(font = tk.customFont) self .font_count = 1 pass def change_shape( self ,event): tk.customFont = font.Font(family = "Helvetica" ,size = 12 ,weight = "normal" ,slant = "roman" ,underline = 0 ) slant = tk.customFont[ "slant" ] tk.customFont.configure(slant = self .list_shape.get( self .list_shape.curselection())) self .st.config(font = tk.customFont) self .shape_count = 1 pass def change_weight( self ,event): tk.customFont = font.Font(family = "Helvetica" ,size = 12 ,weight = "normal" ,slant = "roman" ,underline = 0 ) weight = tk.customFont[ "weight" ] tk.customFont.configure(weight = self .list_weight.get( self .list_weight.curselection())) self .st.config(font = tk.customFont) self .shape_count = 1 def change( self ,event): pass #self.st["font"] = (self.list_size.get(self.list_size.curselection())) #self.st["font"] = (self.list_font.get(self.list_font.curselection())) #self.st["font"] = (self.list_shape.get(self.list_shape.curselection())) def exit_subwindow( self ): self .t_font.destroy() if __name__ = = "__main__" : root = None t1.append(editor(root)) root = t1[ 0 ].t root.mainloop() |
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