-
Notifications
You must be signed in to change notification settings - Fork 25
/
events.go
232 lines (216 loc) · 5.38 KB
/
events.go
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
// Copyright (c) 2019, The Emergent Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package netview
import (
"fmt"
"image"
"cogentcore.org/core/core"
"cogentcore.org/core/events"
"cogentcore.org/core/math32"
"cogentcore.org/core/xyz"
"cogentcore.org/core/xyz/xyzcore"
"github.com/emer/emergent/v2/emer"
)
// Scene is a Widget for managing the 3D Scene of the NetView
type Scene struct {
xyzcore.Scene
NetView *NetView
}
func (sw *Scene) Init() {
sw.Scene.Init()
sw.On(events.MouseDown, func(e events.Event) {
sw.MouseDownEvent(e)
sw.NeedsRender()
})
sw.On(events.Scroll, func(e events.Event) {
pos := sw.Geom.ContentBBox.Min
e.SetLocalOff(e.LocalOff().Add(pos))
sw.SceneXYZ().MouseScrollEvent(e.(*events.MouseScroll))
sw.NeedsRender()
})
sw.On(events.KeyChord, func(e events.Event) {
sw.SceneXYZ().KeyChordEvent(e)
sw.NeedsRender()
})
// sw.HandleSlideEvents() // TODO: need this
}
func (sw *Scene) MouseDownEvent(e events.Event) {
pos := e.Pos().Sub(sw.Geom.ContentBBox.Min)
pt := sw.PathAtPoint(pos)
if pt != nil {
FormDialog(sw, pt, "Path: "+pt.StyleName())
e.SetHandled()
return
}
lay := sw.LayerLabelAtPoint(pos)
if lay != nil {
FormDialog(sw, lay, "Layer: "+lay.StyleName())
e.SetHandled()
return
}
lay, _, _, unIndex := sw.LayerUnitAtPoint(pos)
if lay == nil {
return
}
nv := sw.NetView
nv.Data.PathUnIndex = unIndex
nv.Data.PathLay = lay.StyleName()
nv.UpdateView()
e.SetHandled()
}
func (sw *Scene) WidgetTooltip(pos image.Point) (string, image.Point) {
if pos == image.Pt(-1, -1) {
return "_", image.Point{}
}
nv := sw.NetView
lpos := pos.Sub(sw.Geom.ContentBBox.Min)
pt := sw.PathAtPoint(lpos)
if pt != nil {
pe := pt.AsEmer()
tt := "[Click to edit] " + pe.Name + " " + pt.StyleClass()
if pe.Doc != "" {
tt += ": " + pe.Doc
}
return tt, pos
}
lay := sw.LayerLabelAtPoint(lpos)
if lay != nil {
le := lay.AsEmer()
tt := "[Click to edit]"
if le.Doc != "" {
tt += " " + le.Doc
}
return tt, pos
}
lay, lx, ly, _ := sw.LayerUnitAtPoint(lpos)
if lay == nil {
return "", pos
}
lb := lay.AsEmer()
tt := ""
if lb.Is2D() {
idx := []int{ly, lx}
val, _, _, hasval := nv.UnitValue(lay, idx)
if !hasval {
tt = fmt.Sprintf("[%d,%d]=n/a\n", lx, ly)
} else {
tt = fmt.Sprintf("[%d,%d]=%g\n", lx, ly, val)
}
} else if lb.Is4D() {
idx, ok := lb.Index4DFrom2D(lx, ly)
if !ok {
return "", pos
}
val, _, _, hasval := nv.UnitValue(lay, idx)
if !hasval {
tt = fmt.Sprintf("[%d,%d][%d,%d]=n/a\n", idx[1], idx[0], idx[3], idx[2])
} else {
tt = fmt.Sprintf("[%d,%d][%d,%d]=%g\n", idx[1], idx[0], idx[3], idx[2], val)
}
} else {
return "", pos // not supported
}
return tt, pos
}
func (sw *Scene) LayerLabelAtPoint(pos image.Point) emer.Layer {
ns := xyz.NodesUnderPoint(sw.SceneXYZ(), pos)
for _, n := range ns {
ln, ok := n.(*LayName)
if ok {
lay, _ := ln.NetView.Net.AsEmer().EmerLayerByName(ln.Text)
if lay != nil {
return lay
}
}
}
return nil
}
func (sw *Scene) PathAtPoint(pos image.Point) emer.Path {
ns := xyz.NodesUnderPoint(sw.SceneXYZ(), pos)
for _, n := range ns {
ln, ok := n.(*xyz.Solid)
if ok && ln.Parent != nil {
gpnm := ln.Parent.AsTree().Name
pt, _ := sw.NetView.Net.AsEmer().EmerPathByName(gpnm)
if pt != nil {
return pt
}
}
}
return nil
}
func (sw *Scene) LayerUnitAtPoint(pos image.Point) (lay emer.Layer, lx, ly, unIndex int) {
sc := sw.SceneXYZ()
laysGpi := sc.ChildByName("Layers", 0)
if laysGpi == nil {
return
}
_, laysGp := xyz.AsNode(laysGpi)
nv := sw.NetView
nb := nv.Net.AsEmer()
nmin, nmax := nb.MinPos, nb.MaxPos
nsz := nmax.Sub(nmin).Sub(math32.Vec3(1, 1, 0)).Max(math32.Vec3(1, 1, 1))
nsc := math32.Vec3(1.0/nsz.X, 1.0/nsz.Y, 1.0/nsz.Z)
szc := math32.Max(nsc.X, nsc.Y)
poff := math32.Vector3Scalar(0.5)
poff.Y = -0.5
for li, lgi := range laysGp.Children {
lay = nv.Net.EmerLayer(li)
lb := lay.AsEmer()
lg := lgi.(*xyz.Group)
lp := lb.Pos.Pos
lp.Y = -lp.Y // reverse direction
lp = lp.Sub(nmin).Mul(nsc).Sub(poff)
lg.Pose.Pos.Set(lp.X, lp.Z, lp.Y)
lg.Pose.Scale.Set(nsc.X*lb.Pos.Scale, szc, nsc.Y*lb.Pos.Scale)
lo := lg.Child(0).(*LayObj)
ray := lo.RayPick(pos)
// layer is in XZ plane with norm pointing up in Y axis
// offset is 0 in local coordinates
plane := math32.Plane{Norm: math32.Vec3(0, 1, 0), Off: 0}
pt, ok := ray.IntersectPlane(plane)
if !ok || pt.Z > 0 { // Z > 0 means clicked "in front" of plane -- where labels are
continue
}
lx = int(pt.X)
ly = -int(pt.Z)
// fmt.Printf("selected unit: %v, %v\n", lx, ly)
if lx < 0 || ly < 0 {
continue
}
lshp := lb.Shape
if lb.Is2D() {
idx := []int{ly, lx}
if !lshp.IndexIsValid(idx) {
continue
}
unIndex = lshp.Offset(idx)
return
} else if lb.Is4D() {
idx, ok := lb.Index4DFrom2D(lx, ly)
if !ok {
continue
}
unIndex = lshp.Offset(idx)
return
} else {
continue // not supported
}
}
lay = nil
return
}
// FormDialog opens a dialog in a new, separate window
// for viewing / editing the given struct object, in
// the context of the given ctx widget.
func FormDialog(ctx core.Widget, v any, title string) {
d := core.NewBody(title)
core.NewForm(d).SetStruct(v)
if tb, ok := v.(core.ToolbarMaker); ok {
d.AddTopBar(func(bar *core.Frame) {
core.NewToolbar(bar).Maker(tb.MakeToolbar)
})
}
d.RunWindowDialog(ctx)
}