NSScrollView指定滚动条移动的位置

 文章来源:http://www.cocoachina.com/bbs/read.php?tid=50798&keyword=textview

 

m_textView :NSTextView

m_view:包含NSTextView的视图

 

float ScrollLocation = 0.0;     
float MaxScroll = 0.0;

[[m_textview enclosingScrollView] setLineScroll:0.0f];
[[m_textview enclosingScrollView] setPageScroll:0.0f]; 
 
ScrollLocation = [[[m_textview enclosingScrollView] contentView] bounds].origin.y;    
MaxScroll = [[[m_textview enclosingScrollView] documentView] bounds].size.height - [[m_textview enclosingScrollView] documentVisibleRect].size.height;  
   
    ScrollLocation += 10;  
 
       if(ScrollLocation < 0)  
    {   
        ScrollLocation = 0;  
    }  
 
       else if(ScrollLocation >MaxScroll)    
    {  
        ScrollLocation = MaxScroll;  
    }  

[[m_view contentView] scrollToPoint:NSMakePoint(0, ScrollLocation)]; 

你可能感兴趣的:(NSScrollView指定滚动条移动的位置)