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Split REAPER-facing API into Helgobox (general) and Playtime
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,103 +1,2 @@ | ||
| #![allow(non_snake_case)] | ||
| use reaper_low::raw::ReaProject; | ||
| use reaper_low::PluginContext; | ||
| use std::ffi::{c_char, c_int, c_void, CStr}; | ||
| use std::mem::transmute; | ||
|
|
||
| macro_rules! api { | ||
| ($( $( #[doc = $doc:expr] )* $func_name:ident ($( $param_name:ident: $param_type:ty ),*) $( -> $ret_type:ty )?; )+) => { | ||
| #[derive(Default)] | ||
| pub struct HelgoboxApiPointers { | ||
| $( | ||
| $func_name: Option<fn($( $param_name: $param_type ),*) $( -> $ret_type )?> | ||
| ),+ | ||
| } | ||
|
|
||
| impl HelgoboxApiPointers { | ||
| pub fn load(plugin_context: &PluginContext) -> Option<Self> { | ||
| let mut pointers = Self::default(); | ||
| let mut load_count = 0; | ||
| unsafe { | ||
| $( | ||
| pointers.$func_name = transmute(plugin_context.GetFunc( | ||
| concat!(stringify!($func_name), "\0").as_ptr() as *const c_char, | ||
| )); | ||
| if pointers.$func_name.is_some() { | ||
| load_count += 1; | ||
| } | ||
| )+ | ||
| } | ||
| if load_count == 0 { | ||
| return None; | ||
| } | ||
| Some(pointers) | ||
| } | ||
| } | ||
|
|
||
| pub struct HelgoboxApiSession { | ||
| pointers: HelgoboxApiPointers, | ||
| } | ||
|
|
||
| impl HelgoboxApiSession { | ||
| pub fn load(plugin_context: &PluginContext) -> Option<Self> { | ||
| HelgoboxApiPointers::load(plugin_context).map(Self::new) | ||
| } | ||
|
|
||
| pub fn new(pointers: HelgoboxApiPointers) -> Self { | ||
| Self { | ||
| pointers | ||
| } | ||
| } | ||
|
|
||
| $( | ||
| $( #[doc = $doc] )* | ||
| pub fn $func_name(&self, $( $param_name: $param_type ),*) $( -> $ret_type )? { | ||
| self.pointers.$func_name.unwrap()($( $param_name ),*) | ||
| } | ||
| )+ | ||
| } | ||
|
|
||
| pub trait HelgoboxApi { | ||
| $( | ||
| extern "C" fn $func_name($( $param_name: $param_type ),*) $( -> $ret_type )?; | ||
| )+ | ||
| } | ||
|
|
||
| pub fn register_helgobox_api<T: HelgoboxApi, E>(mut register_api_fn: impl FnMut(&CStr, *mut c_void) -> Result<(), E> ) -> Result<(), E> { | ||
| unsafe { | ||
| $( | ||
| register_api_fn( | ||
| CStr::from_ptr(concat!(stringify!($func_name), "\0").as_ptr() as *const c_char), | ||
| T::$func_name as *mut c_void, | ||
| )?; | ||
| )+ | ||
| } | ||
| Ok(()) | ||
| } | ||
| }; | ||
| } | ||
|
|
||
| api![ | ||
| /// Finds the first Helgobox instance in the given project. | ||
| /// | ||
| /// If the given project is `null`, it will look in the current project. | ||
| /// | ||
| /// Returns the instance ID or -1 if none exists. | ||
| HB_FindFirstHelgoboxInstanceInProject(project: *mut ReaProject) -> c_int; | ||
|
|
||
| /// Finds the first Helgobox instance in the given project that contains a Playtime clip matrix. | ||
| /// | ||
| /// If the given project is `null`, it will look in the current project. | ||
| /// | ||
| /// Returns the instance ID or -1 if none exists. | ||
| HB_FindFirstPlaytimeHelgoboxInstanceInProject(project: *mut ReaProject) -> c_int; | ||
|
|
||
| /// Creates a new Playtime clip matrix in the given Helgobox instance. | ||
| HB_CreateClipMatrix(instance_id: c_int); | ||
|
|
||
| /// Shows or hides the app for the given Helgobox instance and makes sure that the app displays | ||
| /// Playtime. | ||
| /// | ||
| /// If necessary, this will also start the app and create a clip matrix for the given instance. | ||
| HB_ShowOrHidePlaytime(instance_id: c_int); | ||
| ]; | ||
| mod reaper; | ||
| pub use reaper::*; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,14 @@ | ||
| #![allow(non_snake_case)] | ||
| use realearn_macros::reaper_api; | ||
|
|
||
| reaper_api![ | ||
| HelgoboxApi, HelgoboxApiPointers, HelgoboxApiSession, register_helgobox_api | ||
| { | ||
| /// Finds the first Helgobox instance in the given project. | ||
| /// | ||
| /// If the given project is `null`, it will look in the current project. | ||
| /// | ||
| /// Returns the instance ID or -1 if none exists. | ||
| HB_FindFirstHelgoboxInstanceInProject(project: *mut reaper_low::raw::ReaProject) -> std::ffi::c_int; | ||
| } | ||
| ]; |
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