windows.go RawHistoryFolder
1package core
2
3import (
4 "time"
5
6 "github.com/bnema/neferwl/internal/ports"
7)
8
9// windowRecord is what core knows about one client surface besides its
10// place in the layout. Fields fill in as wayland reports them, in any order.
11type windowRecord struct {
12 // client holds the app ID and PID of a mapped window, for State.
13 client ports.WindowMapped
14 mappedAt time.Time
15 // region is the input region; nil accepts input everywhere.
16 region *ports.InputRegionChanged
17 // inhibitShortcuts asks to keep compositor binds while focused;
18 // idleInhibit keeps the session awake.
19 inhibitShortcuts bool
20 idleInhibit bool
21}
22
23// windowRegistry owns the per-surface records. Dropping a surface removes
24// everything core keeps about it in one call.
25type windowRegistry struct {
26 records map[WindowID]*windowRecord
27}
28
29func newWindowRegistry() windowRegistry {
30 return windowRegistry{records: map[WindowID]*windowRecord{}}
31}
32
33// at returns the record of id, creating it.
34func (r *windowRegistry) at(id WindowID) *windowRecord {
35 rec := r.records[id]
36 if rec == nil {
37 rec = &windowRecord{}
38 r.records[id] = rec
39 }
40 return rec
41}
42
43// lookup returns the record of id, or the zero record when there is none.
44func (r *windowRegistry) lookup(id WindowID) windowRecord {
45 if rec := r.records[id]; rec != nil {
46 return *rec
47 }
48 return windowRecord{}
49}
50
51func (r *windowRegistry) mapped(v ports.WindowMapped, now time.Time) {
52 rec := r.at(v.ID)
53 rec.client, rec.mappedAt = v, now
54}
55
56// setAppID updates the app ID of a mapped window only.
57func (r *windowRegistry) setAppID(id WindowID, appID string) {
58 if rec := r.records[id]; rec != nil && rec.client.ID != 0 {
59 rec.client.AppID = appID
60 }
61}
62
63func (r *windowRegistry) setRegion(v ports.InputRegionChanged) { r.at(v.ID).region = &v }
64
65func (r *windowRegistry) setInhibitShortcuts(id WindowID, on bool) {
66 if on {
67 r.at(id).inhibitShortcuts = true
68 } else if rec := r.records[id]; rec != nil {
69 rec.inhibitShortcuts = false
70 }
71}
72
73func (r *windowRegistry) setIdleInhibit(id WindowID, on bool) {
74 if on {
75 r.at(id).idleInhibit = true
76 } else if rec := r.records[id]; rec != nil {
77 rec.idleInhibit = false
78 }
79}
80
81// drop forgets the surface.
82func (r *windowRegistry) drop(id WindowID) { delete(r.records, id) }
83
84// layerGone forgets the input region of a layer surface that is no longer
85// mapped; layers get no WindowUnmapped. The record goes once it is empty.
86func (r *windowRegistry) layerGone(id WindowID) {
87 rec := r.records[id]
88 if rec == nil {
89 return
90 }
91 rec.region = nil
92 if *rec == (windowRecord{}) {
93 delete(r.records, id)
94 }
95}
96
97// acceptsInput reports whether the surface-local point is in id's input
98// region.
99func (r *windowRegistry) acceptsInput(id WindowID, x, y float64) bool {
100 rec := r.records[id]
101 if rec == nil || rec.region == nil || rec.region.All {
102 return true
103 }
104 for _, box := range rec.region.Rects {
105 if x >= float64(box.X) && x < float64(box.X+box.W) && y >= float64(box.Y) && y < float64(box.Y+box.H) {
106 return true
107 }
108 }
109 return false
110}