makepad_draw/
match_event.rs

1use makepad_platform::*;
2use crate::{Cx2d, CxDraw};
3
4pub trait MatchEvent{
5    fn handle_startup(&mut self, _cx: &mut Cx){}
6    fn handle_shutdown(&mut self, _cx: &mut Cx){}
7    fn handle_foreground(&mut self, _cx: &mut Cx){}
8    fn handle_background(&mut self, _cx: &mut Cx){}
9    fn handle_pause(&mut self, _cx: &mut Cx){}
10    fn handle_resume(&mut self, _cx: &mut Cx){}
11    fn handle_app_got_focus(&mut self, _cx: &mut Cx){}
12    fn handle_app_lost_focus(&mut self, _cx: &mut Cx){}
13    fn handle_next_frame(&mut self, _cx: &mut Cx, _e:&NextFrameEvent){}
14    fn handle_action(&mut self, _cx: &mut Cx, _e:&Action){}
15    fn handle_actions(&mut self, cx: &mut Cx, actions:&Actions){
16        for action in actions{
17            self.handle_action(cx, action);
18        }
19    }
20    fn handle_signal(&mut self, _cx: &mut Cx){}
21    fn handle_audio_devices(&mut self, _cx: &mut Cx, _e:&AudioDevicesEvent){}
22    fn handle_midi_ports(&mut self, _cx: &mut Cx, _e:&MidiPortsEvent){}
23    fn handle_video_inputs(&mut self, _cx: &mut Cx, _e:&VideoInputsEvent){}
24
25    fn handle_http_response(&mut self, _cx:&mut Cx, _request_id:LiveId, _response:&HttpResponse){}
26    fn handle_http_request_error(&mut self, _cx:&mut Cx, _request_id:LiveId, _err:&HttpError){}
27    fn handle_http_progress(&mut self, _cx:&mut Cx, _request_id:LiveId, _progress:&HttpProgress){}
28    fn handle_http_stream(&mut self, _cx:&mut Cx, _request_id:LiveId, _data:&HttpResponse){}
29    fn handle_http_stream_complete(&mut self, _cx:&mut Cx, _request_id:LiveId, _data:&HttpResponse){}
30    
31    fn handle_network_responses(&mut self, cx: &mut Cx, e:&NetworkResponsesEvent ){
32        for e in e{
33            match &e.response{
34                NetworkResponse::HttpRequestError(err)=>{
35                    self.handle_http_request_error(cx, e.request_id, err);
36                }
37                NetworkResponse::HttpResponse(res)=>{
38                    self.handle_http_response(cx, e.request_id, res);
39                }
40                NetworkResponse::HttpProgress(progress)=>{
41                    self.handle_http_progress(cx, e.request_id, progress);
42                }
43                NetworkResponse::HttpStreamResponse(data)=>{
44                    self.handle_http_stream(cx, e.request_id, data);
45                }
46                NetworkResponse::HttpStreamComplete(res)=>{
47                    self.handle_http_stream_complete(cx, e.request_id, res);
48                }
49            }
50        }
51    }
52
53    fn handle_draw(&mut self, _cx: &mut Cx, _e:&DrawEvent){}
54    fn handle_timer(&mut self, _cx: &mut Cx, _e:&TimerEvent){}
55    fn handle_draw_2d(&mut self, _cx: &mut Cx2d){}
56    fn handle_key_down(&mut self, _cx: &mut Cx, _e:&KeyEvent){}
57    fn handle_key_up(&mut self, _cx: &mut Cx, _e:&KeyEvent){}
58    /// Handles the [`Event::BackPressed`] event.
59    ///
60    /// This will only be called if this event was not already handled.
61    ///
62    /// Returns `true` if the event was handled, `false` otherwise.
63    /// Returning `true` will mark this as handled, meaning that
64    /// no other widgets will receive this event.
65    fn handle_back_pressed(&mut self, _cx: &mut Cx) -> bool { false }
66
67    fn match_event(&mut self, cx:&mut Cx, event:&Event){
68        match event{
69            Event::Startup=>self.handle_startup(cx),
70            Event::Shutdown=>self.handle_shutdown(cx),
71            Event::Foreground=>self.handle_foreground(cx),
72            Event::Background=>self.handle_background(cx),
73            Event::Pause=>self.handle_pause(cx),
74            Event::Resume=>self.handle_resume(cx),
75            Event::Signal=>self.handle_signal(cx),
76            Event::AppGotFocus=>self.handle_app_got_focus(cx),
77            Event::Timer(te)=>self.handle_timer(cx, te),
78            Event::AppLostFocus=>self.handle_app_lost_focus(cx),
79            Event::NextFrame(e)=>self.handle_next_frame(cx, e),
80            Event::Actions(e)=>self.handle_actions(cx,e),
81            Event::Draw(e)=>self.handle_draw(cx, e),
82            Event::AudioDevices(e)=>self.handle_audio_devices(cx, e),
83            Event::MidiPorts(e)=>self.handle_midi_ports(cx, e),
84            Event::VideoInputs(e)=>self.handle_video_inputs(cx, e),
85            Event::NetworkResponses(e)=>self.handle_network_responses(cx, e),
86            Event::KeyDown(e)=>self.handle_key_down(cx, e),
87            Event::KeyUp(e)=>self.handle_key_up(cx, e),
88            Event::BackPressed { handled } if !handled.get() => {
89                let was_handled = self.handle_back_pressed(cx);
90                handled.set(was_handled);
91            }
92            _=>()
93        }
94    }
95
96    fn match_event_with_draw_2d(&mut self, cx:&mut Cx, event:&Event)->Result<(),()>{
97        match event{
98            Event::Draw(e)=>{
99                let mut cx_draw = CxDraw::new(cx, e);
100                let mut cx_2d = Cx2d::new(&mut cx_draw);
101                self.handle_draw_2d(&mut cx_2d);
102                Ok(())
103            }
104            e=>{
105                self.match_event(cx, e);
106                Err(())
107            }
108        }
109    }
110}
makepad_draw/match_event.rs

makepad_draw/
match_event.rs
