Most of the desktop applications have a menu system to trigger different operations based on user’s choice of options in the menu. In a typical application window, the menu bar is placed just below the title bar and above the client area of the window. The Widow class also emits an "enable_close_attempted_event" if this parameter is set to True. It is a good practice to call yes-no popup when it is detected inside the loop. First, we need to create the figure object using the Figure() class and a plot to it. We shall draw a simple plot showing sine wave. To use the debugger service effectively, the window should be red asynchronously, i.e., you should provide a timeout to the read() function. Assuming that the user inputs 5, the debug window shows the following output− PySimpleGUI - Window Class

Must be a bit annoying to fix bugs in an emulator and then new bugs pops out... programing an emulator is damn challenging. These parameters are specific to the Slider control. The description of these parameters is given below −In the following example, a text file is read character by character. The Progress meter shows the progress of the process in the form of a progress bar, estimated time required for completion, and the instantaneous value of the count. To confirm that both PySimpleGUIWx and WxPython are properly installed, enter following statements in Python terminal. >>> import PySimpleGUIWx

Here we have seen the Hello World program written in the PySimpleGUI, PySimpleGUIQt, PySimpleGUIWx and PySimpleGUIWeb libraries. We can see that the widget library remains the same. Moreover, the same Hello world program, when written in pure Tkinter, PySide, WxPython and Remi respectively, becomes far more complex and tedious than the PySimpleGUI versions. PySimpleGUI - Popup Windows Python Imaging Library is a free, cross-platform and open-source library for the Python programming language that has the functionality for opening, manipulating, and saving many different image file formats.

It will display a top level window with a text label having Hello World as the caption. PySimpleGUIWeb Whenever the slider button is moved across, the "-SL-" event occurs. The instantaneous value of the slider button is used as the font size and the Text caption is refreshed.

if event == psg.WINDOW_CLOSE_ATTEMPTED_EVENT and psg.popup_yes_no('Do you really want to exit?') == 'Yes': The debugger window is invoked by calling show_debugger_window() function anywhere inside the program as shown below − The function set_options is used to change settings that will apply globally. If it's a setting that applies to Windows, then that setting will apply not only to Windows that you create, but also to popup Windows.The crash happens if you have the default video plugin (None), it doesn't happen when you have the other's video plugin. popup_get_file− Display popup window with text entry field and browse button so that a file can be chosen by user. User settings" is a dictionary that is automatically written to your hard drive. User settings are stored in a Python dictionary which is saved to and loaded from the disk. Individual settings are thus keys into a dictionary. Here is an example of the intended usage. The layout contains a horizontal slider with a range of 0-100 and an increment of 1. If you wanted a specific value such as 502, it may be difficult to get exactly 502 by just using the mouse. You could use the mouse to move the slider close to the desired value, say at 500, and then use the precise control to move the slider to 502. If the precise control action in this situation could be something like tapping the right arrow key twice. The use of Tab elements makes the design very convenient, effective and easy for the user to navigate. Tab element is also a container element such as Frame or Column.

The appearance of the window will be similar as before, except that instead of Cancel, it has Exit button. The timeout_key parameter helps in deciding whether there has been any user action within the stipulated time. The default value of "timeout_key" is "__timeout__". The key parameter should be a string. The convention is that it should be an uppercase string preceded and followed by a "-" character (Example: "- NAME-"). However, any string can be used. A most basic popup is created by the popup()function. It can be used like a print() function to display more than one parameters on the window, and an OK button. It acts like a message box, that disappears immediately on pressing the OK button >>> import PySimpleGUI as psg

Used in a group of other Radio Elements to provide user with ability to select only one choice in a list of choices. This will display the desired window. The user inputs are stored in a dictionary named as values. The read() method of Window class is called as the user presses the Ok button, and the window closes immediately. Another example of use of key attribute is given below. To Input elements are assigned key parameters -FIRST- and -SECOND-. There are two buttons captioned Add and Sub. The Text element displays addition or subtraction of two numbers depending on the button pressed. The PySimpleGUI library consists of a number of GUI widgets that can be placed on top of the Window object. For instance, the buttons or the textboxes that we have used in the above examples. All these widgets are in fact objects of classes defined in this library, in which Element class acts as the base for all other widget classes. Unlike Button or Window, these events are not enabled by default. To enable events for an Element, set the parameter "enable_events=True".