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//! Mac OS X platform-specific entry point.
use std::collections::BTreeSet;
use std::collections::HashMap;
#[cfg(feature = "cef-server")]
use zaplib_objc_sys::msg_send;
use crate::cx_cocoa::*;
use crate::*;
impl Cx {
pub fn event_loop<F>(&mut self, mut event_handler: F)
where
F: FnMut(&mut Cx, &mut Event),
{
self.event_handler =
Some(&mut event_handler as *const dyn FnMut(&mut Cx, &mut Event) as *mut dyn FnMut(&mut Cx, &mut Event));
self.event_loop_core();
self.event_handler = None;
}
fn event_loop_core(&mut self) {
self.platform_type = PlatformType::OSX;
let mut cocoa_app = CocoaApp::new();
cocoa_app.init();
let mut metal_cx = MetalCx::new();
let mut metal_windows: Vec<MetalWindow> = Vec::new();
self.load_fonts();
self.call_event_handler(&mut Event::Construct);
self.request_draw();
let mut passes_todo = Vec::new();
cocoa_app.event_loop(|cocoa_app, events| {
//let mut paint_dirty = false;
self.last_event_time = cocoa_app.time_now();
for event in events {
self.process_pre_event(event);
match &event {
Event::WindowResizeLoop(wr) => {
for metal_window in &mut metal_windows {
if metal_window.window_id == wr.window_id {
if wr.was_started {
metal_window.start_resize();
} else {
metal_window.stop_resize();
}
}
}
}
Event::WindowGeomChange(re) => {
// do this here because mac
for metal_window in &mut metal_windows {
if metal_window.window_id == re.window_id {
metal_window.window_geom = re.new_geom.clone();
self.windows[re.window_id].window_geom = re.new_geom.clone();
if re.old_geom.inner_size != re.new_geom.inner_size {
self.request_draw();
}
break;
}
}
// ok lets not redraw all, just this window
self.call_event_handler(event);
}
Event::WindowClosed(wc) => {
// lets remove the window from the set
self.windows[wc.window_id].window_state = CxWindowState::Closed;
self.windows_free.push(wc.window_id);
// remove the d3d11/win32 window
for index in 0..metal_windows.len() {
if metal_windows[index].window_id == wc.window_id {
metal_windows.remove(index);
if metal_windows.is_empty() {
cocoa_app.terminate_event_loop();
}
for metal_window in &mut metal_windows {
metal_window.cocoa_window.update_ptrs();
}
}
}
self.call_event_handler(event);
#[cfg(feature = "cef-debug")]
zaplib_cef::shutdown();
}
Event::SystemEvent(e) => {
match e {
SystemEvent::Paint => {
let _vsync = self.process_desktop_paint_callbacks();
// construct or destruct windows
for (index, window) in self.windows.iter_mut().enumerate() {
window.window_state = match &window.window_state {
CxWindowState::Create {
inner_size,
position,
title,
add_drop_target_for_app_open_files,
#[cfg(feature = "cef")]
cef_url,
#[cfg(feature = "cef-server")]
get_resource_url_callback,
} => {
// lets create a platformwindow
let metal_window = MetalWindow::new(
index,
&metal_cx,
cocoa_app,
*inner_size,
*position,
title,
*add_drop_target_for_app_open_files,
);
window.window_geom = metal_window.window_geom.clone();
#[cfg(feature = "cef")]
{
use crate::cx_apple::*;
if let Some(url) = cef_url {
let content_view: id =
unsafe { msg_send![metal_window.cocoa_window.window, contentView] };
self.cef_browser.initialize(
*inner_size,
url,
content_view as zaplib_cef::WindowHandle,
#[cfg(feature = "cef-server")]
*get_resource_url_callback,
);
unsafe {
// Put our own NSView on top of CEF.
let () = msg_send![metal_window.cocoa_window.view, removeFromSuperview];
let () =
msg_send![content_view, addSubview: metal_window.cocoa_window.view];
if *add_drop_target_for_app_open_files {
// See [`disable_cef_dragged_types`] for more information
disable_cef_dragged_types(content_view);
}
}
cocoa_app.start_cef_timer();
}
}
metal_windows.push(metal_window);
for metal_window in &mut metal_windows {
metal_window.cocoa_window.update_ptrs();
}
CxWindowState::Created
}
CxWindowState::Close => {
for metal_window in &mut metal_windows {
if metal_window.window_id == index {
metal_window.cocoa_window.close_window();
break;
}
}
CxWindowState::Closed
}
CxWindowState::Created => CxWindowState::Created,
CxWindowState::Closed => CxWindowState::Closed,
};
window.window_command = match &window.window_command {
CxWindowCmd::Restore => {
for metal_window in &mut metal_windows {
if metal_window.window_id == index {
metal_window.cocoa_window.restore();
}
}
CxWindowCmd::None
}
CxWindowCmd::Maximize => {
for metal_window in &mut metal_windows {
if metal_window.window_id == index {
metal_window.cocoa_window.maximize();
}
}
CxWindowCmd::None
}
CxWindowCmd::Minimize => {
for metal_window in &mut metal_windows {
if metal_window.window_id == index {
metal_window.cocoa_window.minimize();
}
}
CxWindowCmd::None
}
_ => CxWindowCmd::None,
};
if let Some(topmost) = window.window_topmost {
for metal_window in &mut metal_windows {
if metal_window.window_id == index {
metal_window.cocoa_window.set_topmost(topmost);
}
}
}
}
// set a cursor
let mouse_cursor = if self.down_mouse_cursor.is_some() {
self.down_mouse_cursor.as_ref().unwrap().clone()
} else if self.hover_mouse_cursor.is_some() {
self.hover_mouse_cursor.as_ref().unwrap().clone()
} else {
MouseCursor::Default
};
#[cfg(not(feature = "cef"))]
cocoa_app.set_mouse_cursor(mouse_cursor);
#[cfg(feature = "cef")]
self.cef_browser.set_mouse_cursor(mouse_cursor);
#[cfg(not(feature = "cef"))]
if let Some(set_ime_position) = self.platform.set_ime_position {
self.platform.set_ime_position = None;
for metal_window in &mut metal_windows {
metal_window.cocoa_window.set_ime_spot(set_ime_position);
}
}
while !self.platform.start_timer.is_empty() {
let (timer_id, interval, repeats) = self.platform.start_timer.pop().unwrap();
cocoa_app.start_timer(timer_id, interval, repeats);
}
while !self.platform.stop_timer.is_empty() {
let timer_id = self.platform.stop_timer.pop().unwrap();
cocoa_app.stop_timer(timer_id);
}
if self.platform.set_menu {
self.platform.set_menu = false;
if let Some(menu) = &self.platform.last_menu {
cocoa_app.update_app_menu(menu, &self.command_settings)
}
}
// build a list of renderpasses to repaint
let mut windows_need_repaint = 0;
self.compute_passes_to_repaint(&mut passes_todo, &mut windows_need_repaint);
if !passes_todo.is_empty() {
self.mtl_compile_shaders(&metal_cx);
for pass_id in &passes_todo {
match self.passes[*pass_id].dep_of.clone() {
CxPassDepOf::Window(window_id) => {
// find the accompanying render window
// its a render window
windows_need_repaint -= 1;
for metal_window in &mut metal_windows {
if metal_window.window_id == window_id {
let dpi_factor = metal_window.window_geom.dpi_factor;
metal_window.resize_core_animation_layer(&metal_cx);
self.draw_pass_to_layer(
*pass_id,
dpi_factor,
metal_window.ca_layer,
&mut metal_cx,
metal_window.is_resizing,
);
// call redraw if we guessed the dpi wrong on startup
if metal_window.first_draw {
metal_window.first_draw = false;
if dpi_factor != self.default_dpi_factor {
self.request_draw();
}
}
}
}
}
CxPassDepOf::Pass(parent_pass_id) => {
let dpi_factor = self.get_delegated_dpi_factor(parent_pass_id);
self.draw_pass_to_texture(*pass_id, dpi_factor, &metal_cx);
}
CxPassDepOf::None => {
self.draw_pass_to_texture(*pass_id, 1.0, &metal_cx);
}
}
}
}
}
#[cfg(feature = "cef")]
SystemEvent::CefDoMessageLoopWork => {
self.cef_do_message_loop_work();
}
_ => {
self.call_event_handler(event);
}
}
}
Event::None => {}
Event::Signal { .. } => {
self.call_event_handler(event);
self.call_signals();
}
_ => {
self.call_event_handler(event);
}
}
self.process_post_event(event);
}
!(self.requested_draw || self.requested_next_frame)
})
}
/// Schedule another timer in addition to our regular timer, in case we need to do something
/// earlier. See
/// https://bitbucket.org/chromiumembedded/cef/issues/2968/documentation-of-external-message-pump
#[cfg(feature = "cef")]
pub(crate) fn cef_schedule_message_pump_work(delay_ms: i64) {
CocoaApp::cef_schedule_message_pump_work(delay_ms);
}
}
impl CxPlatformCommon for Cx {
/// See [`CxPlatformCommon::show_text_ime`] for documentation.
fn show_text_ime(&mut self, x: f32, y: f32) {
#[cfg(not(feature = "cef"))]
{
self.platform.set_ime_position = Some(Vec2 { x, y });
}
#[cfg(feature = "cef")]
{
self.cef_browser.set_ime_position(Vec2 { x, y });
}
}
/// See [`CxPlatformCommon::hide_text_ime`] for documentation.
fn hide_text_ime(&mut self) {}
/// See [`CxPlatformCommon::start_timer`] for documentation.
fn start_timer(&mut self, interval: f64, repeats: bool) -> Timer {
self.last_timer_id += 1;
self.platform.start_timer.push((self.last_timer_id, interval, repeats));
Timer { timer_id: self.last_timer_id }
}
/// See [`CxPlatformCommon::stop_timer`] for documentation.
fn stop_timer(&mut self, timer: &mut Timer) {
if timer.timer_id != 0 {
self.platform.stop_timer.push(timer.timer_id);
timer.timer_id = 0;
}
}
/// See [`CxPlatformCommon::post_signal`] for documentation.
fn post_signal(signal: Signal, status: StatusId) {
if signal.signal_id != 0 {
let mut signals = HashMap::new();
let mut new_set = BTreeSet::new();
new_set.insert(status);
signals.insert(signal, new_set);
CocoaApp::send_event_from_any_thread(Event::Signal(SignalEvent { signals }));
}
}
/// See [`CxPlatformCommon::update_menu`] for documentation.
fn update_menu(&mut self, menu: &Menu) {
// lets walk the menu and do the cocoa equivalents
let platform = &mut self.platform;
if platform.last_menu.is_none() || platform.last_menu.as_ref().unwrap() != menu {
platform.last_menu = Some(menu.clone());
platform.set_menu = true;
}
}
/// See [`CxPlatformCommon::update_menu`] for documentation.
fn copy_text_to_clipboard(&mut self, text: &str) {
CocoaApp::copy_text_to_clipboard(text);
}
/// See [`CxPlatformCommon::send_event_from_any_thread`] for documentation.
fn send_event_from_any_thread(event: Event) {
CocoaApp::send_event_from_any_thread(event);
}
}
#[derive(Clone, Default)]
pub(crate) struct CxPlatform {
pub(crate) bytes_written: usize,
pub(crate) draw_calls_done: usize,
pub(crate) last_menu: Option<Menu>,
pub(crate) set_menu: bool,
#[cfg(not(feature = "cef"))]
pub(crate) set_ime_position: Option<Vec2>,
pub(crate) start_timer: Vec<(u64, f64, bool)>,
pub(crate) stop_timer: Vec<u64>,
pub(crate) desktop: CxDesktop,
}
#[cfg(feature = "cef-server")]
pub(crate) fn get_bundle_directory() -> String {
#[cfg(feature = "cef-bundle")]
unsafe {
use crate::cx_apple::*;
let file_manager: id = msg_send![class!(NSBundle), mainBundle];
let current_dir: id = msg_send![file_manager, bundlePath];
let current_dir = nsstring_to_string(current_dir);
return current_dir + "/Contents/Resources";
}
#[cfg(not(feature = "cef-bundle"))]
".".to_string()
}