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Add closure supports to mixer::set_channel_finished

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This commit is contained in:
Cobrand
2021-10-13 18:48:20 +02:00
parent b19ecff813
commit 5be2f2fcdf
1 changed files with 4 additions and 4 deletions
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src/sdl2/mixer/mod.rs
+4 -4
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@@ -349,21 +349,21 @@ pub fn allocate_channels(numchans: i32) -> i32 {
unsafe { mixer::Mix_AllocateChannels(numchans as c_int) as i32 }
}
static mut CHANNEL_FINISHED_CALLBACK: Option<fn(Channel)> = None;
static mut CHANNEL_FINISHED_CALLBACK: Option<Box<dyn Fn(Channel) + 'static>> = None;
extern "C" fn c_channel_finished_callback(ch: c_int) {
unsafe {
match CHANNEL_FINISHED_CALLBACK {
None => (),
Some(cb) => cb(Channel(ch as i32)),
Some(ref cb) => cb(Channel(ch as i32)),
}
}
}
/// When channel playback is halted, then the specified `channel_finished` function is called.
pub fn set_channel_finished(f: fn(Channel)) {
pub fn set_channel_finished(f: impl Fn(Channel) + 'static) {
unsafe {
CHANNEL_FINISHED_CALLBACK = Some(f);
CHANNEL_FINISHED_CALLBACK = Some(Box::new(f));
mixer::Mix_ChannelFinished(Some(
c_channel_finished_callback as extern "C" fn(ch: c_int),
));