滚动条

Scrollbar :  滚动条

Scale 滑动块

滚动条是一个衍生的部件,用于联系滚动条的部件,如果你想要创建一个部件附上滚动条,


你会无疑的明白这个特性的用处,它通常会降低代码的数量。

创建一个部件和滚动杆，可以用滚动的方式。
$widget = $parent->Scrolled('Widget', -scrollbars => 'string' [, options ]); 

'Widget' 可以试任何的部件支持滚动条 比如 Text,Listbox,etc


scrollbars => SIDE：



指定滚动条创建的位置: w，e 或者n s  ,或者是他们其中的组合。


如果指定了0选项,那么滚动条只有当真的需要滚动时才会显示


-activebackground => color 
Sets the color the Scrollbar should be when the mouse pointer is over it. 
指定激活滚动杆时的颜色
-activerelief => 'flat' | 'groove' | 'raised' | 'ridge' | 'sunken' 
Determines how active elements are drawn. The elements in question are arrow1, arrow2, and slider. 
设定3D效果
-background => color 
Sets the background color of the Scrollbar (not the trough color). 
设定滚动杆的背景颜色 
18 
-borderwidth => amount 
Sets the width of the edges of the Scrollbar and the arrow1, arrow2, and slider elements. 
设定滚动杆边框的宽度
-command => callback 
Sets the callback that is invoked when the Scrollbar is clicked. 
设定当滚动杆滑动时所呼叫的程序
-cursor => cursorname 
Sets the cursor that is displayed when the mouse pointer is over the Scrollbar. 
设定当鼠标放在滚动杆上时鼠标改变的形状
-elementborderwidth => amount 
Sets the width of the borders of the arrow1, arrow2, and slider elements. 
设定边缘宽度
-highlightbackground => color 
Sets the color the highlight rectangle around the Scrollbar widget should be when it does not have the keyboard focus. 
当滚动杆不是键盘输入焦点时，设定其颜色
-highlightcolor => color 
Sets the color the highlight rectangle around the Scrollbar should be when it does have the keyboard focus. 
当滚动杆成为键盘输入焦点时，设定其颜色
-highlightthickness => amount 
Sets the thickness of the highlight rectangle. Default is 2. 
设定焦点的宽度，默认值为2 
-jump => 0 | 1 
Indicates whether or not the Scrollbar will jump scroll. 
指定附着在滚动杆上的内容是否延迟到鼠标松开时才更新
-orient => "horizontal" | "vertical" 
Sets the orientation of the Scrollbar. 
指定滚动杆是横着还是竖着放
-relief => 'flat'|'groove'|'raised'|'ridge'|'sunken'|'solid' 
Sets the edges of the widget. 
设置滚动杆的3D效果
-repeatdelay => time 
Sets the number of milliseconds required to hold down an arrow before it will auto-repeat. Default is 300 ms. 
必须在自动重复多少时间前，按下一个按钮或按键才有效
-repeatinterval => time 
Sets the number of milliseconds in between auto-repeats. Default is 100 ms. 
动作开始后，自动重复之间的间隔时间
-takefocus => 0 | 1 | undef 
Controls whether the Scrollbar can obtain the keyboard focus. 
设定该滚动杆的聚焦状态
-troughcolor => color 
Changes the color of the trough (both trough1 and trough2). 
改变槽的颜色
-width => amount 
19 
Sets the width of the Scrollbar. 
设置滚动杆的宽度