def show_mouse_position(x, y): canvas.itemconfig(turtle._turtle_mask, text='x: {}, y: {}'.format(x, y))
时间: 2024-05-24 17:10:36 浏览: 10
This function updates the text displayed on the turtle canvas to show the current position of the mouse cursor. The x and y coordinates of the mouse cursor are passed as arguments to the function, and the text displayed on the turtle canvas is updated to show these coordinates. The canvas is accessed using the "canvas" variable, and the turtle object is accessed using the "turtle" variable. The "itemconfig" method is used to update the text displayed on the turtle canvas. The "format" method is used to insert the x and y coordinates into the text string.
相关问题
import tkinter as tk class Three_layout(): def __init__(self, top): self.top = top self.frame = tk.Frame(self.top, bg='Gold', width=1100, height=234, highlightthickness=2, highlightbackground='Black') self.frame.place(x=0, y=670) self.canvas = tk.Canvas(self.frame, width=1077, height=226, bg='Gold') self.canvas.pack(side='left', fill='both', expand=True) self.scrollbar = tk.Scrollbar(self.frame, command=self.canvas.yview, orient=tk.VERTICAL) self.scrollbar.pack(side='right', fill='y') self.canvas.configure(yscrollcommand=self.scrollbar.set) self.canvas.pack(side=tk.LEFT, fill=tk.BOTH, expand=True) self.button_frame = tk.Frame(self.canvas, bg='Yellow') self.canvas.create_window((0, 0), window=self.button_frame, anchor="nw") self.Content() self.Text_Add() def Content(self): self.text = tk.Text(self.button_frame, width=1077) self.text.pack(side='left', fill='both', expand=True) self.text.insert('end', f'\n') self.text.config(state='disabled') self.button_frame.update_idletasks() self.canvas.configure(scrollregion=self.canvas.bbox("all")) def Text_Add(self): self.text.insert('end', "Hello, world!")为什么没有显示hello,world
在你的代码中,你在`Text_Add()`方法中调用了`insert()`方法,但是你没有将`state`设置为`normal`,这会导致你无法在`Text`控件中插入文本。所以你需要在调用`insert()`方法之前,将`state`设置为`normal`,插入完文本之后再将`state`设置为`disabled`,以保持`Text`控件的只读状态。修改后的代码如下:
```
import tkinter as tk
class Three_layout():
def __init__(self, top):
self.top = top
self.frame = tk.Frame(self.top, bg='Gold', width=1100,
height=234, highlightthickness=2, highlightbackground='Black')
self.frame.place(x=0, y=670)
self.canvas = tk.Canvas(self.frame, width=1077, height=226, bg='Gold')
self.canvas.pack(side='left', fill='both', expand=True)
self.scrollbar = tk.Scrollbar(self.frame, command=self.canvas.yview, orient=tk.VERTICAL)
self.scrollbar.pack(side='right', fill='y')
self.canvas.configure(yscrollcommand=self.scrollbar.set)
self.canvas.pack(side=tk.LEFT, fill=tk.BOTH, expand=True)
self.button_frame = tk.Frame(self.canvas, bg='Yellow')
self.canvas.create_window((0, 0), window=self.button_frame, anchor="nw")
self.Content()
self.Text_Add()
def Content(self):
self.text = tk.Text(self.button_frame, width=1077)
self.text.pack(side='left', fill='both', expand=True)
self.text.insert('end', f'\n')
self.text.config(state='disabled')
self.button_frame.update_idletasks()
self.canvas.configure(scrollregion=self.canvas.bbox("all"))
def Text_Add(self):
self.text.config(state='normal')
self.text.insert('end', "Hello, world!")
self.text.config(state='disabled')
root = tk.Tk()
app = Three_layout(root)
root.mainloop()
```
在修改后的代码中,我将`Text_Add()`方法中的`self.text.config(state='normal')`添加了进去,以便在调用`insert()`方法之前将`state`设置为正常状态。
帮我解释这段代码 def clickCanvas(self, event): if self.__isGameStart: point = self.getInnerPoint(Point(event.x, event.y)) # 有效点击坐标 if point.isUserful() and not self.isEmptyInMap(point): if self.__isFirst: self.drawSelectedArea(point) self.__isFirst= False self.__formerPoint = point else: if self.__formerPoint.isEqual(point): self.__isFirst = True self.canvas.delete("rectRedOne") else: linkType = self.getLinkType(self.__formerPoint, point) if linkType['type'] != self.NONE_LINK: # TODO Animation self.ClearLinkedBlocks(self.__formerPoint, point) self.canvas.delete("rectRedOne") self.__isFirst = True if self.isGameEnd(): #通关成功 tk.messagebox.showinfo("You Win!", "Tip") self.__isGameStart = False else: self.__formerPoint = point self.canvas.delete("rectRedOne") self.drawSelectedArea(point)
这段代码是连连看游戏中的一个事件处理函数,当用户在游戏区域的画布上点击时,会触发这个函数。主要实现以下功能:
1. 判断游戏是否已经开始,如果已经开始则继续处理,否则不做任何操作;
2. 获取用户点击的坐标点,判断该点是否在游戏区域内,并且该点对应的方块是否已经被消除;
3. 如果是第一次点击,则绘制一个红色边框,记录下当前点击的坐标点,并将 isFirst 标记为 False;
4. 如果是第二次点击,则判断当前点击的坐标点是否与前一次点击的坐标点相同:
a. 如果相同,则将 isFirst 标记为 True,并删除上一次绘制的红色边框;
b. 如果不同,则判断前一次点击的坐标点和当前点击的坐标点是否可以连通,如果可以连通,则进行连通动画效果,并删除绘制的红色边框,将 isFirst 标记为 True;
5. 如果已经消除了所有方块,则游戏结束,弹出游戏通关成功的提示框,将 isGameStart 标记为 False。
具体的实现细节可以参考注释。总之,这段代码主要是为了处理游戏区域画布的点击事件,实现连连看游戏的核心逻辑。
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