Scrolled canvas : Canvas « Tkinker « Python Tutorial






  1. Python Tutorial
  2. Tkinker
  3. Canvas
Scrolled canvas
from Tkinter import * 
     
class ScrolledCanvas(Frame):
    def __init__(self, parent=None, color='black'):
        Frame.__init__(self, parent)
        self.pack(expand=YES, fill=BOTH)                 
        canv = Canvas(self, bg=color, relief=SUNKEN)
        canv.config(width=300, height=200)               
        canv.config(scrollregion=(0,0,300, 1000))        
        canv.config(highlightthickness=0)                
     
        sbar = Scrollbar(self)
        sbar.config(command=canv.yview)                  
        canv.config(yscrollcommand=sbar.set)             
        sbar.pack(side=RIGHT, fill=Y)                    
        canv.pack(side=LEFT, expand=YES, fill=BOTH)      
     
        for i in range(20):
            canv.create_text(200, (i*100), text='AAA'+str(i), fill='white')
        self.canvas = canv
        
ScrolledCanvas().mainloop()








18.5.Canvas
18.5.1.Add CheckButon to frameAdd CheckButon to frame
18.5.2.Canvas paint program.Canvas paint program.
18.5.3.Add Label to canvasAdd Label to canvas
18.5.4.Draw lineDraw line
18.5.5.Change line colorChange line color
18.5.6.Draw ovalDraw oval
18.5.7.Draw arcDraw arc
18.5.8.Draw rectangleDraw rectangle
18.5.9.Draw textDraw text
18.5.10.Add gif image to canvas
18.5.11.Canvas click eventCanvas click event
18.5.12.draw elastic shapes on a canvas on drag, move on right click;draw elastic shapes on a canvas on drag, move on right click;
18.5.13.Scrolled canvasScrolled canvas
18.5.14.Add double click action to canvasAdd double click action to canvas