mirror of
https://github.com/rustdesk/rustdesk.git
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feat: whiteboard, macos (#12780)
Signed-off-by: fufesou <linlong1266@gmail.com>
This commit is contained in:
fufesou
GitHub
234
src/whiteboard/macos.rs
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234
src/whiteboard/macos.rs
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@@ -0,0 +1,234 @@
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use super::{server::EVENT_PROXY, Cursor, CustomEvent};
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use core_graphics::context::CGContextRef;
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use foreign_types::ForeignTypeRef;
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use hbb_common::{bail, log, ResultType};
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use objc::{class, msg_send, runtime::Object, sel, sel_impl};
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use piet::{kurbo::BezPath, RenderContext};
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use piet_coregraphics::CoreGraphicsContext;
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use std::{collections::HashMap, sync::Arc, time::Instant};
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use tao::{
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dpi::{PhysicalPosition, PhysicalSize},
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event::{Event, StartCause, WindowEvent},
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event_loop::{ControlFlow, EventLoopBuilder},
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rwh_06::{HasWindowHandle, RawWindowHandle},
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window::{Window, WindowBuilder},
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};
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const MAXIMUM_WINDOW_LEVEL: i64 = 2147483647;
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#[repr(C)]
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#[derive(Debug, Copy, Clone)]
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struct NSRect {
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origin: NSPoint,
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size: NSSize,
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}
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#[repr(C)]
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#[derive(Debug, Copy, Clone)]
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struct NSPoint {
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x: f64,
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y: f64,
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}
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#[repr(C)]
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#[derive(Debug, Copy, Clone)]
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struct NSSize {
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width: f64,
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height: f64,
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}
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fn set_window_properties(window: &Arc<Window>) -> ResultType<()> {
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let handle = window.window_handle()?;
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if let RawWindowHandle::AppKit(appkit_handle) = handle.as_raw() {
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unsafe {
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let ns_view = appkit_handle.ns_view.as_ptr() as *mut Object;
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if ns_view.is_null() {
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bail!("Ns view of the window handle is null.");
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}
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let ns_window: *mut Object = msg_send![ns_view, window];
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if ns_window.is_null() {
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bail!("Ns window of the ns view is null.");
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}
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let _: () = msg_send![ns_window, setOpaque: false];
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let _: () = msg_send![ns_window, setLevel: MAXIMUM_WINDOW_LEVEL];
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// NSWindowCollectionBehaviorCanJoinAllSpaces | NSWindowCollectionBehaviorIgnoresCycle
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let _: () = msg_send![ns_window, setCollectionBehavior: 5];
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let current_style_mask: u64 = msg_send![ns_window, styleMask];
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// NSWindowStyleMaskNonactivatingPanel
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let new_style_mask = current_style_mask | (1 << 7);
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let _: () = msg_send![ns_window, setStyleMask: new_style_mask];
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let ns_screen_class = class!(NSScreen);
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let main_screen: *mut Object = msg_send![ns_screen_class, mainScreen];
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let screen_frame: NSRect = msg_send![main_screen, frame];
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let _: () = msg_send![ns_window, setFrame: screen_frame display: true];
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let ns_color_class = class!(NSColor);
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let clear_color: *mut Object = msg_send![ns_color_class, clearColor];
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let _: () = msg_send![ns_window, setBackgroundColor: clear_color];
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let _: () = msg_send![ns_window, setIgnoresMouseEvents: true];
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}
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}
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Ok(())
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}
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pub(super) fn create_event_loop() -> ResultType<()> {
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crate::platform::hide_dock();
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let event_loop = EventLoopBuilder::<(String, CustomEvent)>::with_user_event().build();
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let mut window_builder = WindowBuilder::new()
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.with_title("RustDesk whiteboard")
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.with_transparent(true)
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.with_decorations(false);
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let (x, y, w, h) = super::server::get_displays_rect()?;
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if w > 0 && h > 0 {
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window_builder = window_builder
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.with_position(PhysicalPosition::new(x, y))
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.with_inner_size(PhysicalSize::new(w, h));
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} else {
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bail!("No valid display found, wxh: {}x{}", w, h);
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}
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let window = Arc::new(window_builder.build::<(String, CustomEvent)>(&event_loop)?);
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set_window_properties(&window)?;
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let proxy = event_loop.create_proxy();
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EVENT_PROXY.write().unwrap().replace(proxy);
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let _call_on_ret = crate::common::SimpleCallOnReturn {
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b: true,
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f: Box::new(move || {
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let _ = EVENT_PROXY.write().unwrap().take();
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}),
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};
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// to-do: The scale factor may not be correct.
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// There may be multiple monitors with different scale factors.
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// But we only have one window, and one scale factor.
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let mut scale_factor = window.scale_factor();
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if scale_factor == 0.0 {
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scale_factor = 1.0;
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}
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let physical_size = window.inner_size();
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let logical_size = physical_size.to_logical::<f64>(scale_factor);
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struct Ripple {
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x: f64,
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y: f64,
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start_time: Instant,
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}
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let mut ripples: Vec<Ripple> = Vec::new();
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let mut last_cursors: HashMap<String, Cursor> = HashMap::new();
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event_loop.run(move |event, _, control_flow| {
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*control_flow = ControlFlow::Poll;
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match event {
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Event::NewEvents(StartCause::Init) => {
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window.set_outer_position(PhysicalPosition::new(0, 0));
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window.request_redraw();
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crate::platform::hide_dock();
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}
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Event::WindowEvent { event, .. } => match event {
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WindowEvent::CloseRequested => {
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*control_flow = ControlFlow::Exit;
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}
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_ => {}
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},
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Event::RedrawRequested(_) => {
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if let Ok(handle) = window.window_handle() {
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if let RawWindowHandle::AppKit(appkit_handle) = handle.as_raw() {
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unsafe {
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let ns_view = appkit_handle.ns_view.as_ptr() as *mut Object;
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let current_context: *mut Object =
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msg_send![class!(NSGraphicsContext), currentContext];
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if !current_context.is_null() {
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let cg_context_ptr: *mut std::ffi::c_void =
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msg_send![current_context, CGContext];
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if !cg_context_ptr.is_null() {
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let cg_context_ref =
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CGContextRef::from_ptr_mut(cg_context_ptr as *mut _);
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let mut context = CoreGraphicsContext::new_y_up(
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cg_context_ref,
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logical_size.height,
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None,
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);
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context.clear(None, piet::Color::TRANSPARENT);
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let ripple_duration = std::time::Duration::from_millis(500);
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ripples.retain_mut(|ripple| {
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let elapsed = ripple.start_time.elapsed();
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let progress =
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elapsed.as_secs_f64() / ripple_duration.as_secs_f64();
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let radius = 45.0 * progress / scale_factor;
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let alpha = 1.0 - progress;
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if alpha > 0.0 {
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let color = piet::Color::rgba(1.0, 0.5, 0.5, alpha);
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let circle = piet::kurbo::Circle::new(
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(ripple.x / scale_factor, ripple.y / scale_factor),
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radius,
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);
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context.stroke(circle, &color, 2.0);
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true
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} else {
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false
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}
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});
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for cursor in last_cursors.values() {
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let (x, y) = (
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cursor.x as f64 / scale_factor,
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cursor.y as f64 / scale_factor,
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);
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let size = 1.0;
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let mut pb = BezPath::new();
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pb.move_to((x, y));
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pb.line_to((x, y + 16.0 * size));
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pb.line_to((x + 4.0 * size, y + 13.0 * size));
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pb.line_to((x + 7.0 * size, y + 20.0 * size));
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pb.line_to((x + 9.0 * size, y + 19.0 * size));
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pb.line_to((x + 6.0 * size, y + 12.0 * size));
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pb.line_to((x + 11.0 * size, y + 12.0 * size));
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let color = piet::Color::rgba8(
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(cursor.argb >> 16 & 0xFF) as u8,
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(cursor.argb >> 8 & 0xFF) as u8,
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(cursor.argb & 0xFF) as u8,
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(cursor.argb >> 24 & 0xFF) as u8,
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);
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context.fill(pb, &color);
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}
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if let Err(e) = context.finish() {
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log::error!("Failed to draw cursor: {}", e);
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}
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} else {
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log::warn!("CGContext is null");
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}
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}
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let _: () = msg_send![ns_view, setNeedsDisplay:true];
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}
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}
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}
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}
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Event::MainEventsCleared => {
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window.request_redraw();
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}
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Event::UserEvent((k, evt)) => match evt {
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CustomEvent::Cursor(cursor) => {
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if cursor.btns != 0 {
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ripples.push(Ripple {
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x: cursor.x as _,
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y: cursor.y as _,
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start_time: Instant::now(),
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});
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}
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last_cursors.insert(k, cursor);
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window.request_redraw();
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}
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CustomEvent::Exit => {
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*control_flow = ControlFlow::Exit;
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}
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_ => {}
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},
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_ => (),
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}
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});
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}
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