本文整理汇总了Python中tkinter.Canvas.yview方法的典型用法代码示例。如果您正苦于以下问题：Python Canvas.yview方法的具体用法？Python Canvas.yview怎么用？Python Canvas.yview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tkinter.Canvas的用法示例。
在下文中一共展示了Canvas.yview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: ListDialog
# 需要导入模块: from tkinter import Canvas [as 别名]
# 或者: from tkinter.Canvas import yview [as 别名]
class ListDialog(object):
def __init__ (self, master, items, message, accept_func):
self.accept_func = accept_func
self.top = Toplevel(master)
self.top.transient(master)
self.top.rowconfigure(0, weight=1)
self.top.rowconfigure(1, weight=3)
self.top.rowconfigure(2, weight=0)
self.top.columnconfigure(0, weight=1)
self.top.columnconfigure(1, weight=1)
self.top.resizable(width=True, height=True)
self.frame = Frame(self.top)
self.frame.rowconfigure(0, weight=1)
self.frame.rowconfigure(1, weight=0)
self.frame.columnconfigure(0, weight=1)
self.frame.columnconfigure(1, weight=0)
self.frame.grid(row=0, column=0, sticky=(N, S, W, E), columnspan=2)
self.canvas = Canvas(self.frame)
self.canvas.create_text(0, 0, text=message, anchor=NW)
self.canvas.grid(row=0, column=0, sticky=(N, W, S, E))
self.vscroll = Scrollbar(self.frame, command=self.canvas.yview)
self.vscroll.grid(row=0, column=1, sticky=(N, S))
self.canvas['yscrollcommand'] = self.vscroll.set
self.hscroll = Scrollbar(self.frame, command=self.canvas.xview, orient=HORIZONTAL)
self.hscroll.grid(row=1, column=0, sticky=(W, E), columnspan=2)
self.canvas['xscrollcommand'] = self.hscroll.set
self.canvas['scrollregion'] = self.canvas.bbox('all')
self.canvas.bind('<Button-4>', self.scroll)
self.canvas.bind('<Button-5>', self.scroll)
self.canvas.bind('<MouseWheel>', self.scroll)
self.view = NameView(self.top, sorted(items))
self.view.widget.grid(row=1, column=0, columnspan=2, sticky=(N, W, E, S))
self.delbutton = Button(self.top, text='Ok', command=self.accept )
self.cancelbutton = Button(self.top, text='Cancel', command=self.cancel)
self.delbutton.grid(row=2, column=0)
self.cancelbutton.grid(row=2, column=1)
self.view.widget.focus_set()
def accept(self):
self.accept_func(self.view.selection())
self.top.destroy()
def cancel(self):
self.result = None
self.top.destroy()
def scroll(self, event):
if event.num == 4 or event.delta > 0:
self.canvas.yview(SCROLL, -1, UNITS)
elif event.num == 5 or event.delta < 0:
self.canvas.yview(SCROLL, 1, UNITS)