Remove platform::mac::runner

This commit is contained in:
Nathan Sobo 2021-04-10 00:19:25 -06:00
parent 4638391412
commit 619e2b7e01

View File

@ -1,305 +0,0 @@
use crate::{keymap::Keystroke, platform::Event, Menu, MenuItem};
use cocoa::{
appkit::{
NSApplication, NSApplicationActivationPolicy::NSApplicationActivationPolicyRegular,
NSEventModifierFlags, NSMenu, NSMenuItem, NSWindow,
},
base::{id, nil, selector},
foundation::{NSArray, NSAutoreleasePool, NSInteger, NSString},
};
use ctor::ctor;
use objc::{
class,
declare::ClassDecl,
msg_send,
runtime::{Class, Object, Sel},
sel, sel_impl,
};
use std::{
ffi::CStr,
os::raw::{c_char, c_void},
path::PathBuf,
ptr,
};
const RUNNER_IVAR: &'static str = "runner";
static mut APP_CLASS: *const Class = ptr::null();
static mut APP_DELEGATE_CLASS: *const Class = ptr::null();
#[ctor]
unsafe fn build_classes() {
APP_CLASS = {
let mut decl = ClassDecl::new("GPUIApplication", class!(NSApplication)).unwrap();
decl.add_ivar::<*mut c_void>(RUNNER_IVAR);
decl.add_method(
sel!(sendEvent:),
send_event as extern "C" fn(&mut Object, Sel, id),
);
decl.register()
};
APP_DELEGATE_CLASS = {
let mut decl = ClassDecl::new("GPUIApplicationDelegate", class!(NSResponder)).unwrap();
decl.add_ivar::<*mut c_void>(RUNNER_IVAR);
decl.add_method(
sel!(applicationDidFinishLaunching:),
did_finish_launching as extern "C" fn(&mut Object, Sel, id),
);
decl.add_method(
sel!(applicationDidBecomeActive:),
did_become_active as extern "C" fn(&mut Object, Sel, id),
);
decl.add_method(
sel!(applicationDidResignActive:),
did_resign_active as extern "C" fn(&mut Object, Sel, id),
);
decl.add_method(
sel!(handleGPUIMenuItem:),
handle_menu_item as extern "C" fn(&mut Object, Sel, id),
);
decl.add_method(
sel!(application:openFiles:),
open_files as extern "C" fn(&mut Object, Sel, id, id),
);
decl.register()
}
}
#[derive(Default)]
pub struct Runner {
finish_launching_callback: Option<Box<dyn FnOnce()>>,
become_active_callback: Option<Box<dyn FnMut()>>,
resign_active_callback: Option<Box<dyn FnMut()>>,
event_callback: Option<Box<dyn FnMut(Event) -> bool>>,
open_files_callback: Option<Box<dyn FnMut(Vec<PathBuf>)>>,
menu_command_callback: Option<Box<dyn FnMut(&str)>>,
menu_item_actions: Vec<String>,
}
impl Runner {
pub fn new() -> Self {
Default::default()
}
unsafe fn create_menu_bar(&mut self, menus: &[Menu]) -> id {
let menu_bar = NSMenu::new(nil).autorelease();
self.menu_item_actions.clear();
for menu_config in menus {
let menu_bar_item = NSMenuItem::new(nil).autorelease();
let menu = NSMenu::new(nil).autorelease();
menu.setTitle_(ns_string(menu_config.name));
for item_config in menu_config.items {
let item;
match item_config {
MenuItem::Separator => {
item = NSMenuItem::separatorItem(nil);
}
MenuItem::Action {
name,
keystroke,
action,
} => {
if let Some(keystroke) = keystroke {
let keystroke = Keystroke::parse(keystroke).unwrap_or_else(|err| {
panic!(
"Invalid keystroke for menu item {}:{} - {:?}",
menu_config.name, name, err
)
});
let mut mask = NSEventModifierFlags::empty();
for (modifier, flag) in &[
(keystroke.cmd, NSEventModifierFlags::NSCommandKeyMask),
(keystroke.ctrl, NSEventModifierFlags::NSControlKeyMask),
(keystroke.alt, NSEventModifierFlags::NSAlternateKeyMask),
] {
if *modifier {
mask |= *flag;
}
}
item = NSMenuItem::alloc(nil)
.initWithTitle_action_keyEquivalent_(
ns_string(name),
selector("handleGPUIMenuItem:"),
ns_string(&keystroke.key),
)
.autorelease();
item.setKeyEquivalentModifierMask_(mask);
} else {
item = NSMenuItem::alloc(nil)
.initWithTitle_action_keyEquivalent_(
ns_string(name),
selector("handleGPUIMenuItem:"),
ns_string(""),
)
.autorelease();
}
let tag = self.menu_item_actions.len() as NSInteger;
let _: () = msg_send![item, setTag: tag];
self.menu_item_actions.push(action.to_string());
}
}
menu.addItem_(item);
}
menu_bar_item.setSubmenu_(menu);
menu_bar.addItem_(menu_bar_item);
}
menu_bar
}
}
impl crate::platform::Runner for Runner {
fn on_finish_launching<F: 'static + FnOnce()>(mut self, callback: F) -> Self {
self.finish_launching_callback = Some(Box::new(callback));
self
}
fn on_menu_command<F: 'static + FnMut(&str)>(mut self, callback: F) -> Self {
self.menu_command_callback = Some(Box::new(callback));
self
}
fn on_become_active<F: 'static + FnMut()>(mut self, callback: F) -> Self {
log::info!("become active");
self.become_active_callback = Some(Box::new(callback));
self
}
fn on_resign_active<F: 'static + FnMut()>(mut self, callback: F) -> Self {
self.resign_active_callback = Some(Box::new(callback));
self
}
fn on_event<F: 'static + FnMut(Event) -> bool>(mut self, callback: F) -> Self {
self.event_callback = Some(Box::new(callback));
self
}
fn on_open_files<F: 'static + FnMut(Vec<PathBuf>)>(mut self, callback: F) -> Self {
self.open_files_callback = Some(Box::new(callback));
self
}
fn set_menus(mut self, menus: &[Menu]) -> Self {
unsafe {
let app: id = msg_send![APP_CLASS, sharedApplication];
app.setMainMenu_(self.create_menu_bar(menus));
}
self
}
fn run(self) {
unsafe {
let self_ptr = Box::into_raw(Box::new(self));
let pool = NSAutoreleasePool::new(nil);
let app: id = msg_send![APP_CLASS, sharedApplication];
let app_delegate: id = msg_send![APP_DELEGATE_CLASS, new];
(*app).set_ivar(RUNNER_IVAR, self_ptr as *mut c_void);
(*app_delegate).set_ivar(RUNNER_IVAR, self_ptr as *mut c_void);
app.setDelegate_(app_delegate);
app.run();
pool.drain();
// The Runner is done running when we get here, so we can reinstantiate the Box and drop it.
Box::from_raw(self_ptr);
}
}
}
unsafe fn get_runner(object: &mut Object) -> &mut Runner {
let runner_ptr: *mut c_void = *object.get_ivar(RUNNER_IVAR);
&mut *(runner_ptr as *mut Runner)
}
extern "C" fn send_event(this: &mut Object, _sel: Sel, native_event: id) {
let event = unsafe { Event::from_native(native_event, None) };
if let Some(event) = event {
let runner = unsafe { get_runner(this) };
if let Some(callback) = runner.event_callback.as_mut() {
if callback(event) {
return;
}
}
}
unsafe {
let _: () = msg_send![super(this, class!(NSApplication)), sendEvent: native_event];
}
}
extern "C" fn did_finish_launching(this: &mut Object, _: Sel, _: id) {
unsafe {
let app: id = msg_send![APP_CLASS, sharedApplication];
app.setActivationPolicy_(NSApplicationActivationPolicyRegular);
let runner = get_runner(this);
if let Some(callback) = runner.finish_launching_callback.take() {
callback();
}
}
}
extern "C" fn did_become_active(this: &mut Object, _: Sel, _: id) {
let runner = unsafe { get_runner(this) };
if let Some(callback) = runner.become_active_callback.as_mut() {
callback();
}
}
extern "C" fn did_resign_active(this: &mut Object, _: Sel, _: id) {
let runner = unsafe { get_runner(this) };
if let Some(callback) = runner.resign_active_callback.as_mut() {
callback();
}
}
extern "C" fn open_files(this: &mut Object, _: Sel, _: id, paths: id) {
let paths = unsafe {
(0..paths.count())
.into_iter()
.filter_map(|i| {
let path = paths.objectAtIndex(i);
match CStr::from_ptr(path.UTF8String() as *mut c_char).to_str() {
Ok(string) => Some(PathBuf::from(string)),
Err(err) => {
log::error!("error converting path to string: {}", err);
None
}
}
})
.collect::<Vec<_>>()
};
let runner = unsafe { get_runner(this) };
if let Some(callback) = runner.open_files_callback.as_mut() {
callback(paths);
}
}
extern "C" fn handle_menu_item(this: &mut Object, _: Sel, item: id) {
unsafe {
let runner = get_runner(this);
if let Some(callback) = runner.menu_command_callback.as_mut() {
let tag: NSInteger = msg_send![item, tag];
let index = tag as usize;
if let Some(action) = runner.menu_item_actions.get(index) {
callback(&action);
}
}
}
}
unsafe fn ns_string(string: &str) -> id {
NSString::alloc(nil).init_str(string).autorelease()
}