可可osx NSTableview更改行突出显示颜色 [英] Cocoa osx NSTableview change row highlight color

问题描述

在我的应用程序中，我有一个带有一列的基于NSTableView的视图.行的突出显示颜色设置为常规(蓝色).我需要将该颜色更改为我的自定义颜色.在界面构建器中，我尝试更改它，但是唯一的选项是无，常规和源列表".

In my application I have a view based NSTableView with one column. The highlight color of the rows is set to regular (blue). I need to change that color to my custom color. In the interface builder I tried changing it but the only options are "None, regular and source list".

我尝试了以下帖子解决方案，但没有成功: https://stackoverflow.com/a/9594543/3065901

I tried this post solution with no success: https://stackoverflow.com/a/9594543/3065901

我读到我必须使用此委托方法，但我不知道如何使用它.

I read that I have to use this delegate method but I dont know how to use this.

- (NSTableRowView *)tableView:(NSTableView *)tableView rowViewForRow:(NSInteger)row

我尝试用该方法绘制该行，但收到​​无效的上下文警告，并且该行仍保持相同的背景光. 请发布一个有关如何使用此委托方法的简单示例:

I tried drawing the row in that method but i get invalid context warnings and the row still keeps with the same higlight. Please post a simple example of how to use this delegate method:

请帮助.预先感谢.

推荐答案

通过此链接.

MyNSTableRowView.h

MyNSTableRowView.h

#import <Cocoa/Cocoa.h>
@interface MyNSTableRowView : NSTableRowView
@end

MyNSTableRowView.m

MyNSTableRowView.m

#import "MyNSTableRowView.h"

@implementation MyNSTableRowView
- (id)init
{
    if (!(self = [super init])) return nil;
    return self;
}

- (void)drawSelectionInRect:(NSRect)dirtyRect {
     if (self.selectionHighlightStyle !=    NSTableViewSelectionHighlightStyleNone) {
     NSRect selectionRect = NSInsetRect(self.bounds, 2.5, 2.5);
     [[NSColor colorWithCalibratedWhite:.65 alpha:1.0] setStroke];
     [[NSColor colorWithCalibratedWhite:.82 alpha:1.0] setFill];
     NSBezierPath *selectionPath = [NSBezierPath bezierPathWithRoundedRect:selectionRect
                                                               xRadius:6 yRadius:6];
     [selectionPath fill];
     [selectionPath stroke];
     }
}
@end

AppDelegate.m

AppDelegate.m

- (NSTableRowView *)tableView:(NSTableView *)tableView rowViewForRow:(NSInteger)row
{         
     MyNSTableRowView *rowView = [[MyNSTableRowView alloc]init];
     return rowView;
}

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