[NEED HELP] Capturing media keys

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deseven
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[NEED HELP] Capturing media keys

Post by deseven »

Can someone help with porting this code to capture media keys (play/pause, rewind, forward)?

Code: Select all

#import <IOKit/hidsystem/ev_keymap.h>

- (void)sendEvent:(NSEvent *)event
{
    // Catch media key events
    if ([event type] == NSSystemDefined && [event subtype] == 8)
    {
        int keyCode = (([event data1] & 0xFFFF0000) >> 16);
        int keyFlags = ([event data1] & 0x0000FFFF);
        int keyState = (((keyFlags & 0xFF00) >> 8)) == 0xA;

        // Process the media key event and return
        [self mediaKeyEvent:keyCode state:keyState];
        return;
    }

    // Continue on to super
    [super sendEvent:event];
}

- (void)mediaKeyEvent:(int)key state:(BOOL)state
{
    switch (key)
    {
        // Play pressed
        case NX_KEYTYPE_PLAY:
            if (state == NO)
                [(TSAppController *)[self delegate] togglePlayPause:self];
            break;

        // Rewind
        case NX_KEYTYPE_FAST:
            if (state == YES)
                [(TSAppController *)[self delegate] seekForward:self];
            break;

        // Previous
        case NX_KEYTYPE_REWIND:
            if (state == YES)
                [(TSAppController *)[self delegate] seekBack:self];
            break;
    }
}
I tried using CGEventTap as usual, but either i'm doing something wrong or those events can't be watched that way.
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deseven
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Re: [NEED HELP] Capturing media keys

Post by deseven »

Anyone tried doing something similar with the new C backend?
mrbungle
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Re: [NEED HELP] Capturing media keys

Post by mrbungle »

I recall this posting but this doesn't seem to work on recent macOS versions:
viewtopic.php?p=546599&hilit=MediaKeyPress#p546599
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