summary refs log tree commit diff stats
path: root/lib/ui/ui.go
diff options
context:
space:
mode:
authorDrew DeVault <sir@cmpwn.com>2019-03-17 16:24:17 -0400
committerDrew DeVault <sir@cmpwn.com>2019-03-17 16:24:17 -0400
commit14cb8cb51f4a1dfca2486d154e2206b19f9401a7 (patch)
treeadde7fa11e632df86b191610feb296eb7de39980 /lib/ui/ui.go
parent589db742cb2af4b29607ceba62ceca38ec982f62 (diff)
downloadaerc-14cb8cb51f4a1dfca2486d154e2206b19f9401a7.tar.gz
Implement :next-tab, :prev-tab
Diffstat (limited to 'lib/ui/ui.go')
0 files changed, 0 insertions, 0 deletions
a ^
77a0f68 ^
80e891a ^
60b351b ^


cab3771 ^


80e891a ^

db1b2cd ^

80e891a ^









60b351b ^

80e891a ^

60b351b ^
80e891a ^
60b351b ^

77a0f68 ^

80e891a ^
77a0f68 ^

d67c8a6 ^


60b351b ^
d67c8a6 ^


60b351b ^
1170893 ^
db1b2cd ^


60b351b ^
80e891a ^
db1b2cd ^

60b351b ^
77a0f68 ^
80e891a ^

80e891a ^



60b351b ^
77a0f68 ^
cab3771 ^
60b351b ^
0b37441 ^









60b351b ^
80e891a ^
60b351b ^

db1b2cd ^


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


          
                                  



                                          

                    
                                   
                        
                            
 
                                      


                                      


                                                   

                                        

                               









                                            

                                 

                                                           
 
                                                          

                                                      

                                 
                                                            

                 


                                          
                                               


                                                  
          
                           


                          
                          
                           

 
                              
                

                                              



                                                                           
                                                  
                 
                                          
                                   









                                                                
                                             
                                   

                            


                   
package ui

import (
	"github.com/gdamore/tcell"

	"git.sr.ht/~sircmpwn/aerc2/config"
)

type UI struct {
	Exit    bool
	Content DrawableInteractive
	ctx     *Context
	screen  tcell.Screen

	tcEvents      chan tcell.Event
	invalidations chan interface{}
}

func Initialize(conf *config.AercConfig,
	content DrawableInteractive) (*UI, error) {

	screen, err := tcell.NewScreen()
	if err != nil {
		return nil, err
	}

	if err = screen.Init(); err != nil {
		return nil, err
	}

	screen.Clear()
	screen.HideCursor()

	width, height := screen.Size()

	state := UI{
		Content: content,
		ctx:     NewContext(width, height, screen),
		screen:  screen,

		tcEvents:      make(chan tcell.Event, 10),
		invalidations: make(chan interface{}),
	}
	go (func() {
		for !state.Exit {
			state.tcEvents <- screen.PollEvent()
		}
	})()
	go (func() {
		state.invalidations <- nil
	})()
	content.OnInvalidate(func(_ Drawable) {
		go (func() {
			state.invalidations <- nil
		})()
	})
	content.Focus(true)
	return &state, nil
}

func (state *UI) Close() {
	state.screen.Fini()
}

func (state *UI) Tick() bool {
	select {
	case event := <-state.tcEvents:
		switch event := event.(type) {
		case *tcell.EventResize:
			state.screen.Clear()
			width, height := event.Size()
			state.ctx = NewContext(width, height, state.screen)
			state.Content.Invalidate()
		}
		state.Content.Event(event)
	case <-state.invalidations:
		for {
			// Flush any other pending invalidations
			select {
			case <-state.invalidations:
				break
			default:
				goto done
			}
		}
	done:
		state.Content.Draw(state.ctx)
		state.screen.Show()
	default:
		return false
	}
	return true
}