回答編集履歴
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説明追加
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下記のリンクに同様の質問がありました。
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こちらの１つ目の回答の方法で良いかと思います。
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[https://stackoverflow.com/questions/1450180/change-the-focus-from-one-text-widget-to-another](https://stackoverflow.com/questions/1450180/change-the-focus-from-one-text-widget-to-another)
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```Python
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from tkinter import *
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import tkinter.ttk as ttk
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import tkinter.scrolledtext as tksc
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import math
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class Apprication(ttk.Frame):
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def __init__(self, app):
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super().__init__(app)
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self.pack()
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btn = ttk.Button(self, text="Sub", command=self.openDialog)
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btn.grid(row=1, column=0)
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def focus_next_window(self, event):
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event.widget.tk_focusNext().focus()
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return "break"
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# 子画面開く
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def openDialog(self):
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self.dialog = Toplevel(self)
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self.dialog.title("Sub Menu")
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#フォームサイズを実行端末から導き、ド真中に配置表示
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lw = math.ceil(ww * 0.408)
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lh = math.ceil(wh * 0.477)
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self.dialog.geometry(str(lw)+"x"+str(lh)+"+"+str(int(ww/2-lw/2))+"+"+str(int(wh/2-lh/2)) )
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self.dialog.configure(bg="#F0FFFF")
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self.dialog.resizable(0,0)
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self.dialog.protocol('WM_DELETE_WINDOW', (lambda: 'pass')())
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# 当該ダイアログのカーソルを変更し、関数側でもカーソルを変更できるように
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self.dialog['cursor'] = 'hand2'
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self.this = self.dialog
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# modalに
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self.dialog.grab_set()
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# コンボボックス
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db = {1:"AAA",2:"BBB",3:"CCC"}
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self.v1 = StringVar()
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cmbox1 = ttk.Combobox(self.dialog, takefocus=1, width=5, justify=CENTER, values=list(db.keys()), state='readonly', textvariable=self.v1)
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cmbox1.bind('<<ComboboxSelected>>', self.cmbox1_selected)
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cmbox1.grid(row=0, column=0, padx=(10, 0), pady=(10,0), sticky=W+E)
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cmbox1.focus_set()
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# テキストボックス
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self.txt1 = Entry(self.dialog, state="readonly", takefocus=1)
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self.txt1.grid(row=0, column=1, columnspan=7, sticky=W+E, pady=(10,0))
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# ★入力枠★
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self.scrtxt1 = tksc.ScrolledText(self.dialog, bg="black", fg="orange", font=("Helvetica",11), insertbackground="orange", blockcursor=True, height=6, state="disable", takefocus=1)
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self.scrtxt1.bind("<Leave>", self.scrtxt1_Chk)
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self.scrtxt1.grid(row=2, column=0, columnspan=11, sticky=W+E, padx=10)
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self.scrtxt1.bind("<Tab>", self.focus_next_window)
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# 実行ボタン
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self.btn1 = Button(self.dialog, text='Execute', width=10, state=DISABLED, takefocus=1)
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self.btn1.grid(row=3, columnspan=11, pady=(0, 20), sticky=N)
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# 閉じるボタン
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btn3 = Button(self.dialog, text='Quit', command=self.closeDialog, width=10, takefocus=1)
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btn3.grid(row=5, column=10, pady=10, padx=(0,10))
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self.dialog.grid_rowconfigure(1, weight=1)
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self.dialog.grid_rowconfigure(3, weight=1)
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self.dialog.grid_columnconfigure(2, weight=1)
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# 子画面閉じる
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def closeDialog(self):
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self.dialog.destroy()
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# コンボボックス選択値をテキストボックス表示
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def cmbox1_selected(self, event):
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self.txt1['state'] = 'normal'
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self.txt1.delete(0, END)
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self.txt1.insert(END, self.v1.get())
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self.txt1['state'] = 'readonly'
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self.scrtxt1['state'] = 'normal'
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self.btn1_Enable()
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# ★★★入力枠チェック★★★
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def scrtxt1_Chk(self, event):
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self.btn1_Enable()
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# 実行ボタンの有効化
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def btn1_Enable(self):
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if (self.scrtxt1.get('1.0', 'end -1c') != ""):
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self.btn1['state'] = 'normal'
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else:
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self.btn1['state'] = 'disable'
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if __name__ == '__main__':
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#世間でいうrootをappとしています
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app = Tk()
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#実行端末の画面サイズを取得
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ww = app.winfo_screenwidth()
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wh = app.winfo_screenheight()
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app.update_idletasks()
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#フォームサイズを実行端末から導き、ド真中に配置表示
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lw = math.ceil(ww * 0.208)
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lh = math.ceil(wh * 0.277)
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app.geometry(str(lw)+"x"+str(lh)+"+"+str(int(ww/2-lw/2))+"+"+str(int(wh/2-lh/2)) )
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#タイトルを指定
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app.title("Main Menu")
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#フォームの最大化、×ボタン操作を無効化
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app.resizable(0,0)
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#app.protocol('WM_DELETE_WINDOW', (lambda: 'pass')())
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# カーソル変更
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app["cursor"] = "hand2"
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app.configure(bg="#F0FFFF")
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# フレームを作成する
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frame = Apprication(app)
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# 格納したTkインスタンスのmainloopで画面を起こす
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app.mainloop()
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```
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