使用目标 c 获取当前聚焦窗口 id [英] get current focused window id using objective c

问题描述

如何使用目标 c 获取当前聚焦窗口 id，返回值应该是 int，非常感谢帮助！我只需要让以下行工作

how can i get current focused window id using objective c, the return value should be an int, help is highly appreciated! I just need to get the following line working

CGImageRef windowImage = CGWindowListCreateImage(CGRectNull, kCGWindowListOptionIncludingWindow, winNum, kCGWindowImageBoundsIgnoreFraming);

但无论我关注哪个窗口，winNum 始终为 0.

but no matter which window that i focus at, winNum is always 0.

推荐答案

NSWindow *keyTarget = [[NSApplication sharedApplication] keyWindow];
NSInteger winNum = [keyTarget windowNumber];

或在一行中:

[[[NSApplication sharedApplication] keyWindow] windowNumber];

这篇关于使用目标 c 获取当前聚焦窗口 id的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！