89 lines
2.7 KiB
Rust
89 lines
2.7 KiB
Rust
//! A wrapper for `NSViewController`. Uses interior mutability to
|
|
|
|
use std::rc::Rc;
|
|
use std::cell::RefCell;
|
|
|
|
use cocoa::base::{id, nil, YES, NO};
|
|
use cocoa::foundation::NSArray;
|
|
|
|
use objc_id::ShareId;
|
|
use objc::runtime::Object;
|
|
use objc::{msg_send, sel, sel_impl};
|
|
|
|
use crate::color::Color;
|
|
use crate::constants::{BACKGROUND_COLOR, VIEW_CONTROLLER_PTR};
|
|
use crate::pasteboard::PasteboardType;
|
|
use crate::view::traits::ViewController;
|
|
use crate::view::controller::register_controller_class;
|
|
|
|
#[derive(Default)]
|
|
pub struct ViewInner {
|
|
pub controller: Option<ShareId<Object>>
|
|
}
|
|
|
|
impl ViewInner {
|
|
pub fn configure<T: ViewController + 'static>(&mut self, controller: &T) {
|
|
self.controller = Some(unsafe {
|
|
let view_controller: id = msg_send![register_controller_class::<T>(), new];
|
|
(&mut *view_controller).set_ivar(VIEW_CONTROLLER_PTR, controller as *const T as usize);
|
|
|
|
let view: id = msg_send![view_controller, view];
|
|
(&mut *view).set_ivar(VIEW_CONTROLLER_PTR, controller as *const T as usize);
|
|
|
|
ShareId::from_ptr(view_controller)
|
|
});
|
|
}
|
|
|
|
pub fn register_for_dragged_types(&self, types: &[PasteboardType]) {
|
|
if let Some(controller) = &self.controller {
|
|
unsafe {
|
|
let types = NSArray::arrayWithObjects(nil, &types.iter().map(|t| {
|
|
t.to_nsstring()
|
|
}).collect::<Vec<id>>());
|
|
|
|
let view: id = msg_send![*controller, view];
|
|
let _: () = msg_send![view, registerForDraggedTypes:types];
|
|
}
|
|
}
|
|
}
|
|
|
|
pub fn set_background_color(&self, color: Color) {
|
|
if let Some(controller) = &self.controller {
|
|
unsafe {
|
|
let view: id = msg_send![*controller, view];
|
|
(*view).set_ivar(BACKGROUND_COLOR, color.into_platform_specific_color());
|
|
let _: () = msg_send![view, setNeedsDisplay:YES];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#[derive(Default)]
|
|
pub struct View(Rc<RefCell<ViewInner>>);
|
|
|
|
impl View {
|
|
pub fn configure<T: ViewController + 'static>(&self, controller: &T) {
|
|
{
|
|
let mut view = self.0.borrow_mut();
|
|
view.configure(controller);
|
|
}
|
|
|
|
controller.did_load();
|
|
}
|
|
|
|
pub fn get_handle(&self) -> Option<ShareId<Object>> {
|
|
let view = self.0.borrow();
|
|
view.controller.clone()
|
|
}
|
|
|
|
pub fn register_for_dragged_types(&self, types: &[PasteboardType]) {
|
|
let view = self.0.borrow();
|
|
view.register_for_dragged_types(types);
|
|
}
|
|
|
|
pub fn set_background_color(&self, color: Color) {
|
|
let view = self.0.borrow();
|
|
view.set_background_color(color);
|
|
}
|
|
}
|