"""开发画图软件的菜单 """
#coding = "utf-8"
from tkinter import *
from tkinter.filedialog import * # 引用对话框
from tkinter.colorchooser import * # 引用颜色选择器
# 窗口的宽度和高度
win_width = 900
win_height = 450
class Application(Frame):
def __init__ (self,master=None,bgcolor="#000000"):
super().__init__(master)
self.master=master
self.bgcolor=bgcolor
self.x= 0
self.y= 0
self.fgcolor="#ff0000"
self.lastDraw = 0 #表示最后绘制的图形id
self.startDrawFlag = False
self.pack()
self.createWidget()
def createWidget(self):
# 创建绘图区
drawpad =Canvas(root,width=win_width,height=win_height*0.9,bg=self.bgcolor)
drawpad.pack()
# 创建按钮
btn_srart = Button(root,text="开始",name="start")
btn_srart.pack(side="left",padx="10")
btn_pen = Button(root,text="画笔",name="pen")
btn_pen.pack(side="left",padx="10")
btn_rect = Button(root,text="矩形",name="rect")
btn_rect.pack(side="left",padx="10")
btn_clear = Button(root,text="清屏",name="clear")
btn_clear.pack(side="left",padx="10")
btn_erasor = Button(root,text="橡皮擦",name="erasor")
btn_erasor.pack(side="left",padx="10")
btn_line = Button(root,text="直线",name="line")
btn_line.pack(side="left",padx="10")
btn_lineArrow = Button(root,text="箭头直线",name="lineArrow")
btn_lineArrow.pack(side="left",padx="10")
btn_color = Button(root,text="颜色",name="color")
btn_color.pack(side="left",padx="10")
# 事件处理
btn_pen.bind_class("Button","<1>",self.eventManager)
def eventManager(self, event):
name = event.widget.winfo_name()
print(name)
if name == "line":
self.drawpadbind("<B1-Motion>",self.myline)
def myline(self,event):
self.drawpad.create_line(self.x,self.y,fill=self.fgcolor)
if __name__ == '__main__':
root = Tk()
root.geometry(str(win_width)+"x"+str(win_height)+"+200+300")
app = Application(master=root)
root.title("画图软件")
root.mainloop()
Exception in Tkinter callback
Traceback (most recent call last):
File "D:\software\Anaconda\lib\tkinter\__init__.py", line 1892, in __call__
return self.func(*args)
File "C:\Users\admin\Desktop\code\深入与提高\画图软件开发1.py", line 54, in eventManager
self.drawpadbind("<B1-Motion>",self.myline)
AttributeError: 'Application' object has no attribute 'drawpadbind'
line
这是什么原因导致的?