1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
// MacOS specific loop
use crate::cx_cocoa::*;
use crate::cx::*;
impl Cx {
pub fn event_loop<F>(&mut self, mut event_handler: F)
where F: FnMut(&mut Cx, &mut Event),
{
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.mtl_compile_all_shaders(&metal_cx);
self.load_theme_fonts();
self.call_event_handler(&mut event_handler, &mut Event::Construct);
self.redraw_child_area(Area::All);
let mut passes_todo = Vec::new();
cocoa_app.event_loop( | cocoa_app, events | {
//let mut paint_dirty = false;
for mut event in events {
self.process_desktop_pre_event(&mut event, &mut event_handler);
match &event {
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();
// redraw just this windows root draw list
if re.old_geom.inner_size != re.new_geom.inner_size{
if let Some(main_pass_id) = self.windows[re.window_id].main_pass_id {
self.redraw_pass_and_sub_passes(main_pass_id);
}
}
break;
}
}
// ok lets not redraw all, just this window
self.call_event_handler(&mut event_handler, &mut 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.len() == 0 {
cocoa_app.terminate_event_loop();
}
for metal_window in &mut metal_windows {
metal_window.cocoa_window.update_ptrs();
}
}
}
self.call_event_handler(&mut event_handler, &mut event);
},
Event::Paint => {
let vsync = self.process_desktop_paint_callbacks(cocoa_app.time_now(), &mut event_handler);
// 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} => {
// lets create a platformwindow
let metal_window = MetalWindow::new(index, &metal_cx, cocoa_app, *inner_size, *position, &title);
window.window_geom = metal_window.window_geom.clone();
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
if !self.down_mouse_cursor.is_none() {
cocoa_app.set_mouse_cursor(self.down_mouse_cursor.as_ref().unwrap().clone())
}
else if !self.hover_mouse_cursor.is_none() {
cocoa_app.set_mouse_cursor(self.hover_mouse_cursor.as_ref().unwrap().clone())
}
else {
cocoa_app.set_mouse_cursor(MouseCursor::Default)
}
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.len() > 0 {
let (timer_id, interval, repeats) = self.platform.start_timer.pop().unwrap();
cocoa_app.start_timer(timer_id, interval, repeats);
}
while self.platform.stop_timer.len() > 0 {
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.len() > 0 {
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 {
metal_window.set_vsync_enable(windows_need_repaint == 0 && vsync);
metal_window.set_buffer_count(
if metal_window.window_geom.is_fullscreen {3}else {2}
);
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,
);
// 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.redraw_pass_and_sub_passes(*pass_id);
}
}
}}
}
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,
&mut metal_cx,
);
},
CxPassDepOf::None => {
self.draw_pass_to_texture(
*pass_id,
1.0,
&mut metal_cx,
);
}
}
}
}
},
Event::None => {
},
Event::Signal{..}=>{
self.call_event_handler(&mut event_handler, &mut event);
self.call_signals(&mut event_handler);
},
_ => {
self.call_event_handler(&mut event_handler, &mut event);
}
}
if self.process_desktop_post_event(event) {
cocoa_app.terminate_event_loop();
}
}
if self.playing_anim_areas.len() == 0 && self.redraw_parent_areas.len() == 0 && self.redraw_child_areas.len() == 0 && self.frame_callbacks.len() == 0 {
true
} else {
false
}
})
}
pub fn show_text_ime(&mut self, x: f32, y: f32) {
self.platform.set_ime_position = Some(Vec2 {x: x, y: y});
}
pub fn hide_text_ime(&mut self) {
}
pub fn set_window_outer_size(&mut self, size: Vec2) {
self.platform.set_window_outer_size = Some(size);
}
pub fn set_window_position(&mut self, pos: Vec2) {
self.platform.set_window_position = Some(pos);
}
pub fn start_timer(&mut self, interval: f64, repeats: bool) -> Timer {
self.timer_id += 1;
self.platform.start_timer.push((self.timer_id, interval, repeats));
Timer {timer_id: self.timer_id}
}
pub 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;
}
}
pub fn post_signal(signal: Signal, status: StatusId) {
if signal.signal_id != 0{
CocoaApp::post_signal(signal.signal_id, status);
}
}
pub 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;
}
}
}
#[derive(Clone, Default)]
pub struct CxPlatform {
pub bytes_written: usize,
pub draw_calls_done: usize,
pub last_menu: Option<Menu>,
pub set_menu: bool,
pub set_window_position: Option<Vec2>,
pub set_window_outer_size: Option<Vec2>,
pub set_ime_position: Option<Vec2>,
pub start_timer: Vec<(u64, f64, bool)>,
pub stop_timer: Vec<(u64)>,
pub text_clipboard_response: Option<String>,
pub desktop: CxDesktop,
}