本文整理汇总了Python中Canvas.focus_set方法的典型用法代码示例。如果您正苦于以下问题：Python Canvas.focus_set方法的具体用法？Python Canvas.focus_set怎么用？Python Canvas.focus_set使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Canvas的用法示例。
在下文中一共展示了Canvas.focus_set方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: SudokuUI
# 需要导入模块: import Canvas [as 别名]
# 或者: from Canvas import focus_set [as 别名]
class SudokuUI(Frame):
"""
The Tkinter UI, responsible for drawing the board and accepting user input.
"""
def __init__(self, parent, game):
self.game = game
Frame.__init__(self, parent)
self.parent = parent
self.row, self.col = -1, -1
self.__initUI()
def __initUI(self):
self.parent.title("Sudoku")
self.pack(fill=BOTH)
self.canvas = Canvas(self,
width=WIDTH,
height=HEIGHT)
self.canvas.pack(fill=BOTH, side=TOP)
clear_button = Button(self,
text="Clear answers",
command=self.__clear_answers)
clear_button.pack(fill=BOTH, side=BOTTOM)
self.__draw_grid()
self.__draw_puzzle()
self.canvas.bind("<Button-1>", self.__cell_clicked)
self.canvas.bind("<Key>", self.__key_pressed)
def __draw_grid(self):
"""
Draws grid divided with blue lines into 3x3 squares
"""
for i in xrange(10):
color = "blue" if i % 3 == 0 else "gray"
x0 = MARGIN + i * SIDE
y0 = MARGIN
x1 = MARGIN + i * SIDE
y1 = HEIGHT - MARGIN
self.canvas.create_line(x0, y0, x1, y1, fill=color)
x0 = MARGIN
y0 = MARGIN + i * SIDE
x1 = WIDTH - MARGIN
y1 = MARGIN + i * SIDE
self.canvas.create_line(x0, y0, x1, y1, fill=color)
def __draw_puzzle(self):
self.canvas.delete("numbers")
for i in xrange(9):
for j in xrange(9):
answer = self.game.puzzle[i][j]
if answer != 0:
x = MARGIN + j * SIDE + SIDE / 2
y = MARGIN + i * SIDE + SIDE / 2
original = self.game.start_puzzle[i][j]
color = "black" if answer == original else "sea green"
self.canvas.create_text(
x, y, text=answer, tags="numbers", fill=color
)
def __draw_cursor(self):
self.canvas.delete("cursor")
if self.row >= 0 and self.col >= 0:
x0 = MARGIN + self.col * SIDE + 1
y0 = MARGIN + self.row * SIDE + 1
x1 = MARGIN + (self.col + 1) * SIDE - 1
y1 = MARGIN + (self.row + 1) * SIDE - 1
self.canvas.create_rectangle(
x0, y0, x1, y1,
outline="red", tags="cursor"
)
def __draw_victory(self):
# create a oval (which will be a circle)
x0 = y0 = MARGIN + SIDE * 2
x1 = y1 = MARGIN + SIDE * 7
self.canvas.create_oval(
x0, y0, x1, y1,
tags="victory", fill="dark orange", outline="orange"
)
# create text
x = y = MARGIN + 4 * SIDE + SIDE / 2
self.canvas.create_text(
x, y,
text="You win!", tags="victory",
fill="white", font=("Arial", 32)
)
def __cell_clicked(self, event):
if self.game.game_over:
return
x, y = event.x, event.y
if (MARGIN < x < WIDTH - MARGIN and MARGIN < y < HEIGHT - MARGIN):
self.canvas.focus_set()
# get row and col numbers from x,y coordinates
#.........这里部分代码省略.........