thinter graphical development interface

1. tkinter programming steps

   • Import Tkinter

   • Creating Controls

     • import thinter

     • Creates the main window

     • #win = tkinter.Tk()

     • Set Title

     • win.title("xiaoxin")

     • Sizes and positions

     • win.geometry("400x400+200+20")

     •  

     • Enter the message loop (Control write here)

     • 1

     • # Close the main window

     • win.mainloop ()

        

   • Specify the control master, that is, this control belongs to which

   • Tell GM (geometry manager) has had a control

2. tkinter components

   • Label

     • Label control to display text

   • Button

     • Create a button

   • Entry

     • Input Controls

   • Text

     • Text control, multi-line text displays

   • CheckButton

     • Checkbox controls

   • RadioButton

     • Radio button controls

   • ListBox

     • List box control, can contain one or more text boxes

     • effect

       • Display a string in a small window listbox control

   • Scale

     • For the user to change the value of the variable by dragging the pointer, horizontally and to be vertically

   • Spinbox

     • Value range controls

   • Menu

     • Menu control

       • Right menu

       • Top Menu

   • Combobox

     • Drop-down control

   • Frame

     • Frame control

     • Display a rectangular area on the screen, as a multi-container control

   • All the code which shows how to use

3. tkinter data

   • Tabular data

   • Tree data

4. tkinter layout

   • Absolute layout

     • The change has no effect on the position of the window

   • Relative layout

     • Changes affect the position of the window

   • Table layout

5. tkinter mouse events

   • <B1-Motion> button when the mouse is dragged in a small holding and control events

   • <B2-Motion> button when the mouse is dragged in a small holding and control events

   • <B3- Motion> When is the right mouse button and drag the gizmo is holding events

   • <Button-1> click the left mouse button when the event occurs

   • <Button-2> mouse button click event occurs

   • <Button-3> Right-click the time of the incident

   • <ButtonRelease-1> When the left mouse button release event occurs

   • <ButtonRelease-2> when the mouse button release event occurs

   • <ButtonRelease-3> when the right mouse button release event occurs

   • <Double-Button-1> Double-click on the left mouse button when the event occurs

   • <Double-Button-1> when double-clicking a mouse button event occurs

   • <Double-Button-1> when the right mouse button double-click event

   • <Enter> when the mouse cursor into the small incident member

   • <Key> when the keyboard click on any of the key events

   • <Leave> closing when the mouse event occurs away from the widget

   • <Return> When you click the "Enter" key event can be any key (like "A", "B", "Up", "Down", "Left", "Right") on the keyboard and one event binding

   • <Shift + A> When you click "Shitf + A" key events, can be AIt, Shift and Control and other key combinations

   • <Triple-Buttol-1> click the left mouse button when the three events

   • <Triple-Buttol-2> When the three middle-click events

   • <Triple-Buttol-3> When the three right-click event

   • event event properties

     • char

       • From the characters and key events related to keyboard input

     • keycode

       • And from key events associated with the key code key keyboard input (ie Unicode)

     • keysym

       • And from key events associated with the key symbol keys of the keyboard input (ie character)

     • on one

       • Key numbers (1,2,3) indicate which mouse button is pressed

     • widget

       • Small component object triggering the event

     • x and y

       • Small current mouse position of member units of pixels

     • x_root 和y_root

       • The current mouse relative to the upper-left corner of the screen position in pixels