{"id":3627,"date":"2019-09-15T07:29:52","date_gmt":"2019-09-15T05:29:52","guid":{"rendered":"https:\/\/pythonprogramming.altervista.org\/?p=3627"},"modified":"2019-09-17T18:28:36","modified_gmt":"2019-09-17T16:28:36","slug":"create-a-new-window-in-tkinter","status":"publish","type":"post","link":"https:\/\/pythonprogramming.altervista.org\/create-a-new-window-in-tkinter\/","title":{"rendered":"Create a new window in tkinter"},"content":{"rendered":"<p>This code explains to you how you can make a new window from a root window. This is the most simple code you can make. From this one you can make as many window as you want.<\/p>\n<p>To make them you need:<\/p>\n<ul>\n<li>a call to <strong>new_window<\/strong> method inside the Win class (with a button for example) for each window<\/li>\n<li>to make a <strong>class<\/strong> (Win1 for example) for each window<\/li>\n<\/ul>\n<pre class=\"lang:default decode:true \">import tkinter as tk\r\n\r\n\r\nclass Win:\r\n    def __init__(self, root):\r\n        \"\"\"Define window for the app\"\"\"\r\n        self.root = root\r\n        self.root.geometry(\"400x300\")\r\n        self.root[\"bg\"] = \"coral\"\r\n        self.button_rename = tk.Button(self.root, text = \"New window\",\r\n            command= lambda: self.new_window(Win2)).pack()\r\n\r\n    def new_window(self, _class):\r\n        self.new = tk.Toplevel(self.root)\r\n        _class(self.new)\r\n\r\nclass Win2:\r\n    def __init__(self, root):\r\n        self.root = root\r\n        self.root.geometry(\"300x300+200+200\")\r\n        self.root[\"bg\"] = \"navy\"\r\n\r\nif __name__ == \"__main__\":\r\n    root = tk.Tk()\r\n    app = Win(root)\r\n    app.root.title(\"Lezioni\")\r\n    root.mainloop()<\/pre>\n<h2>Avoiding opening the same window more than once<\/h2>\n<p>There could be a problem: you can open as many window like Win2 as many times as you press the button, but what if you want only one of this window and not myltiple ones? You can change the code of the new_window:<\/p>\n<pre class=\"lang:default decode:true \">    def new_window(self, _class):\r\n        try:\r\n            if self.new.state() == \"normal\":\r\n                self.new.focus()\r\n        except:\r\n            self.new = tk.Toplevel(self.root)\r\n            _class(self.new)<\/pre>\n<p>The whole code:<\/p>\n<pre class=\"lang:default decode:true \">import tkinter as tk\r\n\r\n\r\nclass Win:\r\n    def __init__(self, root):\r\n        \"\"\"Define window for the app\"\"\"\r\n        self.root = root\r\n        self.root.geometry(\"400x300\")\r\n        self.root[\"bg\"] = \"coral\"\r\n        self.button_rename = tk.Button(self.root, text = \"New window\",\r\n            command= lambda: self.new_window(Win2)).pack()\r\n\r\n    def new_window(self, _class):\r\n        try:\r\n            if self.new.state() == \"normal\":\r\n                self.new.focus()\r\n        except:\r\n            self.new = tk.Toplevel(self.root)\r\n            _class(self.new)\r\n\r\nclass Win2:\r\n    def __init__(self, root):\r\n        print(app.new.state())\r\n        self.root = root\r\n        self.root.geometry(\"300x300+200+200\")\r\n        self.root[\"bg\"] = \"navy\"\r\n\r\nif __name__ == \"__main__\":\r\n    root = tk.Tk()\r\n    app = Win(root)\r\n    app.root.title(\"Lezioni\")\r\n    root.mainloop()<\/pre>\n<h2>Without buttons<\/h2>\n<p>If you want to open the window without buttons&#8230;<\/p>\n<pre class=\"lang:default decode:true \">import tkinter as tk\r\n\r\ndef new_window(_class):\r\n        new = tk.Toplevel(win)\r\n        _class(new)\r\n\r\nclass Win2:\r\n    def __init__(self, root):\r\n        self.root = root\r\n        self.root.geometry(\"300x300+500+200\")\r\n        self.root[\"bg\"] = \"navy\"\r\n\r\ndef nw():\r\n\tnew_window(Win2)\r\n\r\nwin = tk.Tk()\r\nwin.geometry(\"200x200+200+100\")\r\nbutton = tk.Button(win, text=\"New Window\")\r\nbutton['command'] = nw\r\nbutton.pack()\r\n\r\ntext = tk.Text(win, bg='cyan')\r\ntext.pack()\r\nnew_window(Win2)\r\n\r\nwin.mainloop()<\/pre>\n<p>&nbsp;<\/p>\n\t<!----- pubblicit\u00e0-------- vedi h:\\ads\\codice_di_prima.txt per il codice che era qui --------------------->\r\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<!-- Altervista-pythonprogramming-336X280 -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block\"\r\n     data-ad-client=\"ca-pub-4189782812829764\"\r\n     data-ad-slot=\"2548661001\"\r\n     data-ad-format=\"auto\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\r\n<h4>Tkinter test for students<\/h4>\r\n\r\n\r\n<script>\r\nvar title = \"Tkinter posts\";\r\n\t\tvar links = [\r\n[\"https:\/\/pythonprogramming.altervista.org\/tkinter-app-to-make-a-different-test-for-every-student-part-1\/\",\"Tk Test Marker I\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/tkinter-testmaker-part-ii\/\",\"Tk Test Maker II\"],\t\r\n[\"https:\/\/pythonprogramming.altervista.org\/tkinter-tests-app-part-3\/\",\"Tk test Maker III\"]\r\n];\r\n\t\t\r\n\t<\/script>\r\n<script>\r\n\t\r\nif (typeof next2 != \"undefined\"){let next2 = 0;}\r\n\t\r\nnext2 = 0;\r\n\thtml = \"\";\/\/<b style='color:coral;font-size:1.2em'>Other posts about \" + title + \"<\/b><br>\";\r\nfor (address of links) \r\n{\r\n\r\n\tif (next2 == 1){\r\n\t\thtml += \"<div style='background:coral'>\";\r\n\t\thtml += \"Next link => <a href='\" + address[0] + \"'>\" + address[1] + \"<\/a>\";\r\n\t\thtml += \"<\/div><br>\";\r\n\t\tnext2 = 0;\r\n\t}\r\n\tif (address[0] == document.URL) {\r\n\t\tnext2 = 1;\r\n\t}\r\n}\r\n\r\nif (typeof next != \"undefined\") {let next = 0;}\r\nif (typeof addressStart != \"undefined\") {let addressStart = \"\";}\r\nnext = 0;\r\naddressStart = \"<a href='\";\r\nfor (address of links) {\r\n\tif (next == 1){\r\n\t\thtml += \">>>\" + addressStart + address[0] + \"'>\" + address[1] + \"<\/a><br>\";\r\n\t\tnext = 0;\r\n\t}\r\n\telse if (addressStart + address[0] != document.URL)\r\n\t{\r\n\t\thtml += addressStart + address[0] + \"'>\" + address[1] + \"<\/a><br>\";\r\n\t}\r\n\telse\r\n\t{\r\n\t\tnext = 1;\r\n\t\tnext_address = address[0]\r\n\t\tnext_title = address[1]\r\n\t\thtml += \"<span style='color:gray'>\" + address[1] + \"<\/span><br>\";\r\n\t}\r\n\r\n}\r\n\r\n\thtml += `<span style=\"font-size:8px\">Powered by <a href=\"https:\/\/pythonprogramming.altervista.org\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2673\" src=\"https:\/\/pythonprogramming.altervista.org\/wp-content\/uploads\/2019\/06\/altervista2.png\" alt=\"\" width=\"70\" height=\"25\" srcset=\"https:\/\/pythonprogramming.altervista.org\/wp-content\/uploads\/2019\/06\/altervista2.png 156w, https:\/\/pythonprogramming.altervista.org\/wp-content\/uploads\/2019\/06\/altervista2-150x56.png 150w\" sizes=\"auto, (max-width: 70px) 100vw, 70px\" \/>pythonprogramming.altervista.org<\/a><\/span>`\r\n\thtml = \"<div style='background:yellow'>\" + html + \"<\/div>\";\r\n\tdocument.write(html)\r\n<\/script>\r\n\t\r\n\r\n<h4>Tkinter articles<\/h4>\r\n<!-- calculator with memo -->\r\n<a href=\"https:\/\/pythonprogramming.altervista.org\/free-calculator-memo-with-tkinter-support-markdown-to-html-saving-too\/\">\r\n<img decoding=\"async\" src=\"https:\/\/pythonprogramming.altervista.org\/wp-content\/uploads\/2020\/03\/calcmemopy_banner.png\" width=\"100%\"><\/a>\r\n<script>\r\nvar title = \"Tkinter posts\";\r\n\t\tvar links = [\r\n\t\t\t[\"https:\/\/pythonprogramming.altervista.org\/?p=5719&preview=true\",\"Presentation app with SVG files\"],\r\n\t\t\t[\"https:\/\/pythonprogramming.altervista.org\/png-joined-in-one-pdf-files\/\",\"Join png into pdf\"],\r\n\t\t\t[\"https:\/\/pythonprogramming.altervista.org\/free-app-imgslide-3-1-slide-images-and-join-them-into-a-pdf\/\",\"ImageSlider 3.1\"],\r\n\t\t\t[\"https:\/\/pythonprogramming.altervista.org\/tkinter-to-show-svg-files-svgslider-1-0\/\",\"SVGSlider 1.0\"],\r\n\t\t\t[\"https:\/\/pythonprogramming.altervista.org\/imageslider-3-0-tkinter-app-to-show-images-like-in-a-presentation\/\",\"ImageSlider 3.0\"],\r\n\t\t\t[\"https:\/\/pythonprogramming.altervista.org\/tkinter-shows-an-svg-file\/\",\"SVG in tkinter\"],\r\n\t\t\t[\"https:\/\/pythonprogramming.altervista.org\/tkinter-tests-maker-app-part-iv-add-a-menu-with-tkinter\/\",\"Add a menu with tkinter\"],\r\n\t\t\t[\"https:\/\/pythonprogramming.altervista.org\/free-pdf-maker-app-with-python\/\",\"tkinter make pdf\"],\r\n\t\t\t[\"https:\/\/pythonprogramming.altervista.org\/calcpy-2-0-the-second-and-final-part-of-calculator\/\",\"Live coding Calculator app part 2\"],\r\n\t\t\t[\"https:\/\/pythonprogramming.altervista.org\/split-every-page-in-a-pdf-i-a-different-pdf\/\",\"Split a pdf in different files\"],\r\n\t\t\t[\"https:\/\/pythonprogramming.altervista.org\/python-calculator-from-skratch-part-1-calcpy\/\",\"Calculator from skratch p.1\"], \r\n\t\t\t[\"https:\/\/pythonprogramming.altervista.org\/python-and-tkinter-fully-working-listbox-to-do-app-for-skratch\/\",\"Tkinter ToDo App\"],\r\n\t\t\t[\"https:\/\/pythonprogramming.altervista.org\/copy-and-paste-tkinter-widget-code-app\/\",\"Copy and paste app for tkinter widgets\"],\r\n\t\t\t[\"https:\/\/pythonprogramming.altervista.org\/calcdoc-py-a-tkinter-app-to-memorize-operations\/\",\"calcdoc.py: a great calculator memo app\"],\r\n\t\t\t[\"https:\/\/pythonprogramming.altervista.org\/tkinter-calculator-with-memo-of-operations\/\",\"Calculator + list of operations\"],\r\n\t\t\t[\"https:\/\/pythonprogramming.altervista.org\/tkinter-smallest-calculator-ever\/\", \"Smallest calculator\"],\r\n\t\t\t[\"https:\/\/pythonprogramming.altervista.org\/python-gui-with-tkinter-labels-with-text-and-images\/\",\"Labels with images and text\"],\r\n\t[\"https:\/\/pythonprogramming.altervista.org\/a-toolbar-for-python-with-tkinter\/\",\"Toolbar in tkinter\"],\r\n\t[\"https:\/\/pythonprogramming.altervista.org\/tkinter-grid-system-how-to-expand-a-button\/\",\"Fit Buttons to the Window\"],\r\n\t\t[\"https:\/\/pythonprogramming.altervista.org\/tkinter-application-launcher-python-gui\/\",\"Tkinter app Laucher\"],\r\n\t\t[\"https:\/\/pythonprogramming.altervista.org\/tkinter-and-how-to-add-an-image-to-a-button\/\", \"Image on a tkinter Button\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/tkinter-imagebrowser-2-with-canvas\/\", \"Tkinter image browser 2 (canvas)\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/tkinter-image-broswer\/\",\"Tkinter image browser (label)\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/tkinter-to-make-pdf-fast-and-free-with-text-or-html\/\",\"Create PDF with Tkinter Text widget\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/tkinter-app-to-evaluate-tests-part-1\/\",\"Tkinter App to Evaluate tests\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/simple-presentation-in-pure-python-while-you-learn-tkinter\/\",\"Presentation with Python\/tkinter\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/tkinter-entry-widgets-example-make-a-shuffler-app\/\",\"Tkinter example: entry to shuffle lists\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/move-a-rectangle-with-text-inside-of-it-with-tkinter\/\",\"Moving a text with tkinter\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/tkinter-and-ttk-the-option-menu-widget\/\",\"Tkinter's OptionMenu (and ttk)\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/tkinter-app-to-watch-videos-with-live-coding\/\",\t\t\t\t\t\"Tkinter to watch videos\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/type-reader-app-in-python-pc-read-the-letters-you-type-tkinter\/\",\t\"Type Reader App\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/create-a-new-tkinter-widget-inputbox\/\",\t\t\t\t\t\t\t\"Create your Inputbox\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/tkinter-open-a-new-window-and-just-one\/\", \t\t\t\t\t\t\"Open only one more window\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/a-simple-test-maker-with-python-and-tkinter\/\", \t\t\t\t\t\"Test maker with tkinter\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/my-personal-notepad-toggle-tkinter-fullscreen\/\",\t\t\t\t\t\"Ebook maker with tkinter\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/tkinter-and-listbox-1\/\", \t\t\t\t\t\t\t\t\t\t\t\"Tkinter & listbox 2019 - 1\"],\r\n['https:\/\/pythonprogramming.altervista.org\/tkinter-using-a-gui-graphic-user-interface-with-python-part-1\/', \t'Create a window'],\r\n['https:\/\/pythonprogramming.altervista.org\/tkinter-to-make-a-window-video-1\/', \t\t\t\t\t\t\t\t'Create a window part 2'],\r\n[\"https:\/\/pythonprogramming.altervista.org\/create-more-windows-with-tkinter\/\",\t\t\t\t\t\t\t\t\"More windows tkinter!\"],\r\n['https:\/\/pythonprogramming.altervista.org\/tkinter-part-2-binding\/', \t\t\t\t\t\t\t\t\t\t'Binding functions to key\/button '],\r\n\t\t\t[\"https:\/\/pythonprogramming.altervista.org\/all-tkinter-posts\/\",\">>>ALL TKINTER POSTS>>>\"]\r\n\t\t];\r\n\t\t\r\n\t<\/script>\r\n<script>\r\n\t\r\nif (typeof next2 != \"undefined\"){let next2 = 0;}\r\n\t\r\nnext2 = 0;\r\n\thtml = \"\";\/\/<b style='color:coral;font-size:1.2em'>Other posts about \" + title + \"<\/b><br>\";\r\nfor (address of links) \r\n{\r\n\r\n\tif (next2 == 1){\r\n\t\thtml += \"<div style='background:coral'>\";\r\n\t\thtml += \"Next link => <a href='\" + address[0] + \"'>\" + address[1] + \"<\/a>\";\r\n\t\thtml += \"<\/div><br>\";\r\n\t\tnext2 = 0;\r\n\t}\r\n\tif (address[0] == document.URL) {\r\n\t\tnext2 = 1;\r\n\t}\r\n}\r\n\r\nif (typeof next != \"undefined\") {let next = 0;}\r\nif (typeof addressStart != \"undefined\") {let addressStart = \"\";}\r\nnext = 0;\r\naddressStart = \"<a href='\";\r\nfor (address of links) {\r\n\tif (next == 1){\r\n\t\thtml += \">>>\" + addressStart + address[0] + \"'>\" + address[1] + \"<\/a><br>\";\r\n\t\tnext = 0;\r\n\t}\r\n\telse if (addressStart + address[0] != document.URL)\r\n\t{\r\n\t\thtml += addressStart + address[0] + \"'>\" + address[1] + \"<\/a><br>\";\r\n\t}\r\n\telse\r\n\t{\r\n\t\tnext = 1;\r\n\t\tnext_address = address[0]\r\n\t\tnext_title = address[1]\r\n\t\thtml += \"<span style='color:gray'>\" + address[1] + \"<\/span><br>\";\r\n\t}\r\n\r\n}\r\n\r\n\thtml += `<span style=\"font-size:8px\">Powered by <a href=\"https:\/\/pythonprogramming.altervista.org\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2673\" src=\"https:\/\/pythonprogramming.altervista.org\/wp-content\/uploads\/2019\/06\/altervista2.png\" alt=\"\" width=\"70\" height=\"25\" srcset=\"https:\/\/pythonprogramming.altervista.org\/wp-content\/uploads\/2019\/06\/altervista2.png 156w, https:\/\/pythonprogramming.altervista.org\/wp-content\/uploads\/2019\/06\/altervista2-150x56.png 150w\" sizes=\"auto, (max-width: 70px) 100vw, 70px\" \/>pythonprogramming.altervista.org<\/a><\/span>`\r\n\thtml = \"<div style='background:yellow'>\" + html + \"<\/div>\";\r\n\tdocument.write(html)\r\n<\/script>\n","protected":false},"excerpt":{"rendered":"Make new windows in tkinter\n<a class=\"moretag\" href=\"https:\/\/pythonprogramming.altervista.org\/create-a-new-window-in-tkinter\/\"> 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