The options available for pack include: Name The pack layout is very simple, you don't need to set it up too much, just use a pack function.The pack method places controls from top to bottom and from left to right.Of course, you can also specify the location of the control to achieve the specified effect, such as the exit button in the lower right corner. Tkinter has three layout modes, pack,grid, and place.The pack is the simplest, the grid is the most common, and the placement is the least. With a window, you can place controls on it.The control will be described in more detail in future chapters.In this chapter, the Label control is used to illustrate the layout.The layout of all controls is inherited from the same class, so the layout is handled exactly the same. Maximum window size.The window won't be bigger than this Minimum window size.The window will not be smaller than this one. Incoming width, height, relative position of upper left corner on screen To set the size and position of the window, first get the size of the screen, and then determine the position of the upper right corner of the window on the screen based on the size of the window you want to set.That is (width of screen - width of window) / 2 (length of screen - length of window) / 2.These parameters are then combined into a string that is passed into the geometry function to display a window of the specified size at the specified location. Size = '%dx%d+%d+%d' % (width, height, (screenwidth - width)/2, (screenheight - height)/2) Return win.winfo_screenwidth(),win.winfo_screenheight()
With these four functions, we can easily resize the window and display it in the middle of the screen.If not, the tkinter window we created will appear on the screen at a different location each time.The following program can resize the window and display it in the center of the screen: import tkinter as tk The window has four size-dependent functions: function Initialized window, is a very small window, even the title can not be displayed properly.So you need to set the window size at the beginning of the program.
The statement that adds the title is: root.title('Hello') Title the window to show what it does.Typically, it is the name of the display program.Or a dynamic prompt message, such as the name of an open file. This section describes some basic properties and functions of windows.
#Python tkinter window size winfo windows#
(3)root.mainloop() is the main window loop.īlank windows are of little use.
#Python tkinter window size winfo series#
(2)root = tkinter.Tk() is the instantiated Tk class.The Tk class is the top-level control class that completes a series of initializations of the window.Interestingly, look at u init_u.py of the Tkinter class to see how Tk completes its initialization.
(1)Import tkinter is the introduction of tkinter module.All controls (Widgets) are defined inside. It's really simple to build a window program with only three lines of program.But this program is not very useful.The whole window is also empty.We'll add other controls in later chapters to make this window more functional. Tkinter's program is easy to write.The difficulty is in the later layout and parameter transfer.Many widgets can be quickly found on the network.Ī simple tkinter window program is as follows: import tkinter
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