gmp/giowrap
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Move Grid{} to a new file. Run go fmt.

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This commit is contained in:
Greg 2019-08-27 09:24:30 -04:00
parent f96cdb619a
commit 9f60b99984
7 changed files with 544 additions and 398 deletions
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74
cmd/cal/datetime.go
View File

@ -5,9 +5,9 @@ import (
) )
func _daysIn(t time.Time) int { func _daysIn(t time.Time) int {
y,m,_ := t.Date() y, m, _ := t.Date()
t2 := time.Date(y,m+1,1,0,0,0,0,time.UTC) t2 := time.Date(y, m+1, 1, 0, 0, 0, 0, time.UTC)
return t2.AddDate(0,0,-1).Day() return t2.AddDate(0, 0, -1).Day()
} }
type SelectableMonth struct { type SelectableMonth struct {
@ -19,7 +19,7 @@ type SelectableMonth struct {
} }
func NewMonth(t time.Time) *SelectableMonth { func NewMonth(t time.Time) *SelectableMonth {
t = time.Date(t.Year(), t.Month(),1,0,0,0,0,time.Local) t = time.Date(t.Year(), t.Month(), 1, 0, 0, 0, 0, time.Local)
ret := &SelectableMonth{} ret := &SelectableMonth{}
ret.Year, ret.Month, ret.Weekday = t.Year(), t.Month(), t.Weekday() ret.Year, ret.Month, ret.Weekday = t.Year(), t.Month(), t.Weekday()
ret.DaysIn = _daysIn(t) ret.DaysIn = _daysIn(t)
@ -28,7 +28,7 @@ func NewMonth(t time.Time) *SelectableMonth {
} }
func _newMonth(y int, m time.Month) SelectableMonth { func _newMonth(y int, m time.Month) SelectableMonth {
return *NewMonth(time.Date(y,m,1,0,0,0,0,time.Local)) return *NewMonth(time.Date(y, m, 1, 0, 0, 0, 0, time.Local))
} }
func (sm *SelectableMonth) Refresh() { func (sm *SelectableMonth) Refresh() {
@ -36,21 +36,21 @@ func (sm *SelectableMonth) Refresh() {
} }
func (sm *SelectableMonth) Previous() { func (sm *SelectableMonth) Previous() {
m, y := sm.Month - 1, sm.Year m, y := sm.Month-1, sm.Year
if m > 11 { if m > 11 {
m = 0 m = 0
y += 1 y += 1
} }
*sm = _newMonth(y,m) *sm = _newMonth(y, m)
} }
func (sm *SelectableMonth) Next() { func (sm *SelectableMonth) Next() {
m, y := sm.Month + 1, sm.Year m, y := sm.Month+1, sm.Year
if m <0 { if m < 0 {
m = 11 m = 11
y -= 1 y -= 1
} }
*sm = _newMonth(y,m) *sm = _newMonth(y, m)
} }
func (sm *SelectableMonth) SelectWeekday(d time.Weekday) *SelectableMonth { func (sm *SelectableMonth) SelectWeekday(d time.Weekday) *SelectableMonth {
@ -77,7 +77,7 @@ func (sm *SelectableMonth) DeselectWeekday(d time.Weekday) *SelectableMonth {
func (sm *SelectableMonth) CheckSel() *SelectableMonth { func (sm *SelectableMonth) CheckSel() *SelectableMonth {
alldays := func(d time.Weekday) bool { alldays := func(d time.Weekday) bool {
for i := int(d) + 1 - sm.Pad; i <= 31; i+= 7 { for i := int(d) + 1 - sm.Pad; i <= 31; i += 7 {
if i < 1 { if i < 1 {
continue continue
} }
@ -102,8 +102,10 @@ func (sm *SelectableMonth) Weekdays() int {
var i int var i int
for w := 0; w <= 6; w++ { for w := 0; w <= 6; w++ {
for d := 1; d < 6; d++ { for d := 1; d < 6; d++ {
x := w * 7 + d + 1 - sm.Pad x := w*7 + d + 1 - sm.Pad
if x < 0 || x >= sm.DaysIn { break } if x < 0 || x >= sm.DaysIn {
break
}
if sm.S[x] { if sm.S[x] {
i++ i++
} }
@ -116,12 +118,22 @@ func (sm *SelectableMonth) Weekends() int {
var i int var i int
for w := 0; w <= 6; w++ { for w := 0; w <= 6; w++ {
x := w*7 + 1 - sm.Pad x := w*7 + 1 - sm.Pad
if x < 0 { continue } if x < 0 {
if x >= sm.DaysIn { break } continue
if sm.S[x] { i++ } }
x = w*7+6 + 1 - sm.Pad if x >= sm.DaysIn {
if x < 0 || x >= sm.DaysIn { break } break
if sm.S[x] { i++ } }
if sm.S[x] {
i++
}
x = w*7 + 6 + 1 - sm.Pad
if x < 0 || x >= sm.DaysIn {
break
}
if sm.S[x] {
i++
}
} }
return i return i
} }
@ -157,19 +169,19 @@ func (d *Day) ifexists() *Day {
} }
func (d *Day) Next() *Day { func (d *Day) Next() *Day {
ret := &Day{d.Num+1, d.sm} ret := &Day{d.Num + 1, d.sm}
return ret.ifexists() return ret.ifexists()
} }
func (d *Day) Prev() *Day { func (d *Day) Prev() *Day {
ret := &Day{d.Num-1, d.sm} ret := &Day{d.Num - 1, d.sm}
return ret.ifexists() return ret.ifexists()
} }
func (sm *SelectableMonth) Days() []*Day { func (sm *SelectableMonth) Days() []*Day {
ret := make([]*Day,0) ret := make([]*Day, 0)
for d := sm.Day(1); d.exists(); d = d.Next() { for d := sm.Day(1); d.exists(); d = d.Next() {
ret = append(ret,d) ret = append(ret, d)
} }
return ret return ret
} }
@ -211,9 +223,9 @@ func (sm *SelectableMonth) Week(i int) *Week {
} }
func (sm *SelectableMonth) Weeks() []*Week { func (sm *SelectableMonth) Weeks() []*Week {
ret := make([]*Week,0) ret := make([]*Week, 0)
for w := sm.Week(1); w.exists(); w = w.Next() { for w := sm.Week(1); w.exists(); w = w.Next() {
ret = append(ret,w) ret = append(ret, w)
} }
return ret return ret
} }
@ -222,28 +234,28 @@ func (w *Week) Day(i int) *Day {
if i < 1 || i > 7 { if i < 1 || i > 7 {
return nil return nil
} }
wday := (w.Num - 1) * 7 + i wday := (w.Num-1)*7 + i
if w.Num != 1 { if w.Num != 1 {
wday -= w.sm.Pad wday -= w.sm.Pad
} }
ret := &Day{ wday, w.sm } ret := &Day{wday, w.sm}
return ret.ifexists() return ret.ifexists()
} }
func (w *Week) Next() *Week { func (w *Week) Next() *Week {
ret := &Week{ w.Num + 1, w.sm } ret := &Week{w.Num + 1, w.sm}
return ret.ifexists() return ret.ifexists()
} }
func (w *Week) Prev() *Week { func (w *Week) Prev() *Week {
ret := &Week{ w.Num - 1, w.sm } ret := &Week{w.Num - 1, w.sm}
return ret.ifexists() return ret.ifexists()
} }
func (w *Week) Days() []*Day { func (w *Week) Days() []*Day {
ret := make([]*Day,0) ret := make([]*Day, 0)
for d := w.Day(1); d.In(w); d = d.Next() { for d := w.Day(1); d.In(w); d = d.Next() {
ret = append(ret,d) ret = append(ret, d)
} }
return ret return ret
} }

55
cmd/cal/main.go
View File

@ -4,8 +4,8 @@ package main
import ( import (
"fmt" "fmt"
"log"
"image/color" "image/color"
"log"
"time" "time"
gio "git.wow.st/gmp/giowrap" gio "git.wow.st/gmp/giowrap"
@ -15,8 +15,8 @@ import (
"gioui.org/ui/layout" "gioui.org/ui/layout"
"gioui.org/ui/text" "gioui.org/ui/text"
"golang.org/x/image/font/sfnt"
"golang.org/x/image/font/gofont/goregular" "golang.org/x/image/font/gofont/goregular"
"golang.org/x/image/font/sfnt"
) )
var ( var (
@ -48,7 +48,7 @@ type SLabel struct {
func NewSLabel(t string, active *bool, lops ...gio.LabelOption) *SLabel { func NewSLabel(t string, active *bool, lops ...gio.LabelOption) *SLabel {
ret := &SLabel{} ret := &SLabel{}
lops = append([]gio.LabelOption{gio.Face(face)},lops...) lops = append([]gio.LabelOption{gio.Face(face)}, lops...)
lbl := gio.NewLabel(t, lops...) lbl := gio.NewLabel(t, lops...)
bg := &gio.Background{ bg := &gio.Background{
Color: color.RGBA{A: 0xff, R: 0xf0, G: 0xf0, B: 0xe0}, Color: color.RGBA{A: 0xff, R: 0xf0, G: 0xf0, B: 0xe0},
@ -58,7 +58,7 @@ func NewSLabel(t string, active *bool, lops ...gio.LabelOption) *SLabel {
if *active { if *active {
bg.Color = color.RGBA{A: 0xff, R: 0xf0, G: 0xf0, B: 0xe0} bg.Color = color.RGBA{A: 0xff, R: 0xf0, G: 0xf0, B: 0xe0}
} }
l := gio.AsClickable(gio.Enclose(bg,lbl)) l := gio.AsClickable(gio.Enclose(bg, lbl))
ret.w = l ret.w = l
ret.bg = bg ret.bg = bg
ret.active = active ret.active = active
@ -83,12 +83,12 @@ func (w *SLabel) Layout(ctx *gio.Context) {
func NewCal(sm *SelectableMonth) gio.Widget { func NewCal(sm *SelectableMonth) gio.Widget {
pad := gio.NewLabel("", gio.Face(face), gio.Align(text.End)) pad := gio.NewLabel("", gio.Face(face), gio.Align(text.End))
ds := make([]gio.Widget,42) ds := make([]gio.Widget, 42)
for i := 0; i < len(ds); i++ { for i := 0; i < len(ds); i++ {
if i < sm.Pad || i >= sm.DaysIn + sm.Pad { if i < sm.Pad || i >= sm.DaysIn+sm.Pad {
ds[i] = pad ds[i] = pad
} else { } else {
ds[i] = NewSLabel(fmt.Sprintf("%d",i+1-sm.Pad), &sm.S[i+1-sm.Pad], gio.Align(text.End)) ds[i] = NewSLabel(fmt.Sprintf("%d", i+1-sm.Pad), &sm.S[i+1-sm.Pad], gio.Align(text.End))
} }
} }
return gio.NewGrid(7)(ds...) return gio.NewGrid(7)(ds...)
@ -104,7 +104,9 @@ func eventloop() {
regular, err := sfnt.Parse(goregular.TTF) regular, err := sfnt.Parse(goregular.TTF)
face = ctx.Faces.For(regular, ui.Sp(20)) face = ctx.Faces.For(regular, ui.Sp(20))
if err != nil { log.Fatal("Cannot parse font.") } if err != nil {
log.Fatal("Cannot parse font.")
}
bg := gio.NewBackground( bg := gio.NewBackground(
gio.Color(color.RGBA{A: 0xff, R: 0xf0, G: 0xf0, B: 0xe0})) gio.Color(color.RGBA{A: 0xff, R: 0xf0, G: 0xf0, B: 0xe0}))
@ -113,7 +115,7 @@ func eventloop() {
f1 := gio.NewFlex(gio.Axis(layout.Vertical)) f1 := gio.NewFlex(gio.Axis(layout.Vertical))
f2 := gio.NewFlex(gio.Axis(layout.Horizontal)) f2 := gio.NewFlex(gio.Axis(layout.Horizontal))
sidegrid := gio.NewGrid(1) sidegrid := gio.NewGrid(1)
yrs := make([]gio.Widget,6) yrs := make([]gio.Widget, 6)
curyr := sm.Year curyr := sm.Year
topgrid := gio.NewGrid(3) topgrid := gio.NewGrid(3)
@ -125,41 +127,42 @@ func eventloop() {
f3 := gio.NewFlex(gio.Axis(layout.Vertical)) f3 := gio.NewFlex(gio.Axis(layout.Vertical))
daygrid := gio.NewGrid(7) daygrid := gio.NewGrid(7)
sun := NewSLabel("Sun",&sm.Ws[time.Sunday], gio.Align(text.End)) sun := NewSLabel("Sun", &sm.Ws[time.Sunday], gio.Align(text.End))
mon := NewSLabel("Mon",&sm.Ws[time.Monday], gio.Align(text.End)) mon := NewSLabel("Mon", &sm.Ws[time.Monday], gio.Align(text.End))
tue := NewSLabel("Tue",&sm.Ws[time.Tuesday], gio.Align(text.End)) tue := NewSLabel("Tue", &sm.Ws[time.Tuesday], gio.Align(text.End))
wed := NewSLabel("Wed",&sm.Ws[time.Wednesday], gio.Align(text.End)) wed := NewSLabel("Wed", &sm.Ws[time.Wednesday], gio.Align(text.End))
thu := NewSLabel("Thu",&sm.Ws[time.Thursday], gio.Align(text.End)) thu := NewSLabel("Thu", &sm.Ws[time.Thursday], gio.Align(text.End))
fri := NewSLabel("Fri",&sm.Ws[time.Friday], gio.Align(text.End)) fri := NewSLabel("Fri", &sm.Ws[time.Friday], gio.Align(text.End))
sat := NewSLabel("Sat",&sm.Ws[time.Saturday], gio.Align(text.End)) sat := NewSLabel("Sat", &sm.Ws[time.Saturday], gio.Align(text.End))
resetCal := func() { resetCal := func() {
cal = NewCal(sm) cal = NewCal(sm)
for i,_ := range yrs { for i, _ := range yrs {
yrs[i] = NewButton(fmt.Sprintf("%d",curyr - i), yrs[i] = NewButton(fmt.Sprintf("%d", curyr-i),
gio.Align(text.Start)) gio.Align(text.Start))
} }
w.Invalidate() w.Invalidate()
} }
resetCal() resetCal()
for { select { for {
case e:= <-w.Events(): select {
case e := <-w.Events():
switch e := e.(type) { switch e := e.(type) {
case app.DestroyEvent: case app.DestroyEvent:
return return
case app.UpdateEvent: case app.UpdateEvent:
ctx.Reset(e) ctx.Reset(e)
mth.SetText(fmt.Sprintf("%s %d",sm.Month.String(),sm.Year)) mth.SetText(fmt.Sprintf("%s %d", sm.Month.String(), sm.Year))
ows := sm.Ws ows := sm.Ws
bg(margin(f1( bg(margin(f1(
topgrid(lbtn,mth,rbtn), topgrid(lbtn, mth, rbtn),
f2( f2(
sidegrid(yrs...), sidegrid(yrs...),
f3( f3(
daygrid(sun,mon,tue,wed,thu,fri,sat), daygrid(sun, mon, tue, wed, thu, fri, sat),
cal, cal,
), ),
), ),
@ -184,7 +187,7 @@ func eventloop() {
sm.Next() sm.Next()
resetCal() resetCal()
} }
for i,y := range yrs { for i, y := range yrs {
if y.(gio.Clickable).Clicked(ctx) { if y.(gio.Clickable).Clicked(ctx) {
sm.Year = curyr - i sm.Year = curyr - i
sm.Refresh() sm.Refresh()
@ -193,6 +196,6 @@ func eventloop() {
} }
sm.CheckSel() sm.CheckSel()
} }
}} }
}
} }

62
cmd/grid/grid.go Normal file
View File

@ -0,0 +1,62 @@
package main
import (
"image"
"gioui.org/ui"
"gioui.org/ui/app"
"gioui.org/ui/f32"
"gioui.org/ui/layout"
"gioui.org/ui/paint"
gio "git.wow.st/gmp/giowrap"
)
func main() {
go func() {
w := app.NewWindow()
ops := new(ui.Ops)
gcs := make([]gio.GridChild, 0)
for e := range w.Events() {
if e, ok := e.(app.UpdateEvent); ok {
ops.Reset()
c := &e.Config
cs := layout.RigidConstraints(e.Size)
nrows := 5
ncols := 10
grid := gio.Grid{Cols: ncols}
cs = grid.Init(ops, cs)
for i := 0; i < nrows*ncols; i++ {
grid.Begin()
dims := layoutRect(c, ops, cs)
gcs = append(gcs, grid.End(dims))
}
grid.Layout(gcs...)
w.Update(ops)
gcs = gcs[0:0]
}
}
}()
app.Main()
}
func layoutRect(c ui.Config, ops *ui.Ops, cs layout.Constraints) layout.Dimens {
ins := layout.UniformInset(ui.Px(10))
cs = ins.Begin(c, ops, cs)
paint.PaintOp{Rect: f32.Rectangle{
Max: f32.Point{
X: float32(cs.Width.Max),
Y: float32(cs.Width.Max),
},
}}.Add(ops)
dims := layout.Dimens{
Size: image.Point{
X: cs.Width.Max,
Y: cs.Width.Max,
},
}
return ins.End(dims)
}

59
cmd/hello/main.go
View File

@ -14,16 +14,16 @@ import (
"gioui.org/ui" "gioui.org/ui"
"gioui.org/ui/app" "gioui.org/ui/app"
"gioui.org/ui/paint"
"gioui.org/ui/f32" "gioui.org/ui/f32"
"gioui.org/ui/gesture" "gioui.org/ui/gesture"
"gioui.org/ui/layout" "gioui.org/ui/layout"
"gioui.org/ui/measure" "gioui.org/ui/measure"
"gioui.org/ui/paint"
"gioui.org/ui/pointer" "gioui.org/ui/pointer"
"gioui.org/ui/text" "gioui.org/ui/text"
"golang.org/x/image/font/sfnt"
"golang.org/x/image/font/gofont/goregular" "golang.org/x/image/font/gofont/goregular"
"golang.org/x/image/font/sfnt"
) )
var ( var (
@ -56,14 +56,15 @@ func main() {
a1 = ms.Alloc a1 = ms.Alloc
runtime.GC() runtime.GC()
runtime.ReadMemStats(ms) runtime.ReadMemStats(ms)
log.Printf("Alloc: %d - %d = %d (%d per frame)", a1, ms.Alloc, a1 - ms.Alloc, (a1 - ms.Alloc) / (3 * uint64(FPS))) log.Printf("Alloc: %d - %d = %d (%d per frame)", a1, ms.Alloc, a1-ms.Alloc, (a1-ms.Alloc)/(3*uint64(FPS)))
log.Printf("Frametime: %d max Frametime: %d us\n", frametime / (frames * 1000), maxframetime / 1000) log.Printf("Frametime: %d max Frametime: %d us\n", frametime/(frames*1000), maxframetime/1000)
frames = 0 frames = 0
frametime = 0 frametime = 0
maxframetime = 0 maxframetime = 0
mux.Unlock() mux.Unlock()
} }
}() }()
if len(os.Args) > 1 {
switch os.Args[1] { switch os.Args[1] {
case "", "main1": case "", "main1":
log.Print("main1()") log.Print("main1()")
@ -76,6 +77,7 @@ func main() {
hello [main1|main2] hello [main1|main2]
`) `)
} }
}
app.Main() app.Main()
} }
@ -86,11 +88,11 @@ func main1() {
log.Fatal("Cannot parse font.") log.Fatal("Cannot parse font.")
} }
ctx := giowrap.NewContext(w) ctx := giowrap.NewContext(w)
t := time.NewTicker(time.Second/time.Duration(FPS)) t := time.NewTicker(time.Second / time.Duration(FPS))
e1 := giowrap.NewEditor("text 1",giowrap.Face(ctx.Faces.For(regular, ui.Sp(24)))) e1 := giowrap.NewEditor("text 1", giowrap.Face(ctx.Faces.For(regular, ui.Sp(24))))
e1.Focus() e1.Focus()
e2 := giowrap.NewEditor("text 2",giowrap.Face(ctx.Faces.For(regular, ui.Sp(24)))) e2 := giowrap.NewEditor("text 2", giowrap.Face(ctx.Faces.For(regular, ui.Sp(24))))
f1 := giowrap.NewFlex(giowrap.Axis(layout.Vertical)) f1 := giowrap.NewFlex(giowrap.Axis(layout.Vertical))
OuterInset := giowrap.NewInset(giowrap.Size(ui.Dp(10))) OuterInset := giowrap.NewInset(giowrap.Size(ui.Dp(10)))
@ -131,21 +133,27 @@ func main1() {
)).Layout(ctx) )).Layout(ctx)
ctx.Update() ctx.Update()
if btn1.Clicked(ctx) { if btn1.Clicked(ctx) {
log.Print("Clicked: " + e1.Text() ) log.Print("Clicked: " + e1.Text())
} }
if btn2.Clicked(ctx) { if btn2.Clicked(ctx) {
log.Print("Clicked: " + e2.Text() ) log.Print("Clicked: " + e2.Text())
} }
} }
dur := time.Since(stime).Nanoseconds() dur := time.Since(stime).Nanoseconds()
mux.Lock() mux.Lock()
frames = frames + 1 frames = frames + 1
frametime = frametime + dur frametime = frametime + dur
if dur > maxframetime { maxframetime = dur } if dur > maxframetime {
maxframetime = dur
}
mux.Unlock() mux.Unlock()
} }
if profiled { continue } if profiled {
if time.Since(startTime) < time.Second * 10 { continue } continue
}
if time.Since(startTime) < time.Second*10 {
continue
}
if Profile { if Profile {
profiled = true profiled = true
f, err := os.Create("memprofile.pprof") f, err := os.Create("memprofile.pprof")
@ -170,7 +178,7 @@ func main2() {
if err != nil { if err != nil {
log.Fatal("Cannot parse font.") log.Fatal("Cannot parse font.")
} }
t := time.NewTicker(time.Second/time.Duration(FPS)) t := time.NewTicker(time.Second / time.Duration(FPS))
e1 := &text.Editor{ e1 := &text.Editor{
Face: faces.For(regular, ui.Sp(24)), Face: faces.For(regular, ui.Sp(24)),
SingleLine: true, SingleLine: true,
@ -185,11 +193,11 @@ func main2() {
e2.Focus() e2.Focus()
e2.SetText("text 2") e2.SetText("text 2")
f1 := layout.Flex{ Axis: layout.Vertical } f1 := layout.Flex{Axis: layout.Vertical}
OuterInset := layout.UniformInset(ui.Dp(10)) OuterInset := layout.UniformInset(ui.Dp(10))
InnerInset := layout.UniformInset(ui.Dp(10)) InnerInset := layout.UniformInset(ui.Dp(10))
f2 := layout.Flex{ Axis: layout.Horizontal } f2 := layout.Flex{Axis: layout.Horizontal}
btn1 := text.Label{ btn1 := text.Label{
Face: faces.For(regular, ui.Sp(24)), Face: faces.For(regular, ui.Sp(24)),
@ -240,7 +248,7 @@ func main2() {
cs = b1ins.Begin(c, ops, cs) cs = b1ins.Begin(c, ops, cs)
dims = btn1.Layout(ops, cs) dims = btn1.Layout(ops, cs)
dims = b1ins.End(dims) dims = b1ins.End(dims)
pointer.RectAreaOp{image.Rect(0,0,dims.Size.X,dims.Size.Y)}.Add(ops) pointer.RectAreaOp{image.Rect(0, 0, dims.Size.X, dims.Size.Y)}.Add(ops)
click1.Add(ops) click1.Add(ops)
bg1.Stop() bg1.Stop()
wi, h := float32(dims.Size.X), float32(dims.Size.Y) wi, h := float32(dims.Size.X), float32(dims.Size.Y)
@ -257,7 +265,7 @@ func main2() {
cs = b2ins.Begin(c, ops, cs) cs = b2ins.Begin(c, ops, cs)
dims = btn2.Layout(ops, cs) dims = btn2.Layout(ops, cs)
dims = b2ins.End(dims) dims = b2ins.End(dims)
pointer.RectAreaOp{image.Rect(0,0,dims.Size.X,dims.Size.Y)}.Add(ops) pointer.RectAreaOp{image.Rect(0, 0, dims.Size.X, dims.Size.Y)}.Add(ops)
click2.Add(ops) click2.Add(ops)
bg2.Stop() bg2.Stop()
wi, h = float32(dims.Size.X), float32(dims.Size.Y) wi, h = float32(dims.Size.X), float32(dims.Size.Y)
@ -274,12 +282,12 @@ func main2() {
w.Update(ops) w.Update(ops)
for ev, ok := click1.Next(q); ok; ev, ok = click1.Next(q) { for ev, ok := click1.Next(q); ok; ev, ok = click1.Next(q) {
if ev.Type == gesture.TypeClick { if ev.Type == gesture.TypeClick {
log.Print("Clicked: " + e1.Text() ) log.Print("Clicked: " + e1.Text())
} }
} }
for ev, ok := click2.Next(q); ok; ev, ok = click2.Next(q) { for ev, ok := click2.Next(q); ok; ev, ok = click2.Next(q) {
if ev.Type == gesture.TypeClick { if ev.Type == gesture.TypeClick {
log.Print("Clicked: " + e2.Text() ) log.Print("Clicked: " + e2.Text())
} }
} }
} }
@ -287,11 +295,17 @@ func main2() {
mux.Lock() mux.Lock()
frames = frames + 1 frames = frames + 1
frametime = frametime + dur frametime = frametime + dur
if dur > maxframetime { maxframetime = dur } if dur > maxframetime {
maxframetime = dur
}
mux.Unlock() mux.Unlock()
} }
if profiled { continue } if profiled {
if time.Since(startTime) < time.Second * 10 { continue } continue
}
if time.Since(startTime) < time.Second*10 {
continue
}
if Profile { if Profile {
profiled = true profiled = true
f, err := os.Create("memprofile.pprof") f, err := os.Create("memprofile.pprof")
@ -306,4 +320,3 @@ func main2() {
} }
} }
} }

31
cmd/scroll/main.go
View File

@ -1,8 +1,8 @@
package main package main
import ( import (
"image/color"
"fmt" "fmt"
"image/color"
"log" "log"
gio "git.wow.st/gmp/giowrap" gio "git.wow.st/gmp/giowrap"
@ -12,15 +12,15 @@ import (
"gioui.org/ui/layout" "gioui.org/ui/layout"
"gioui.org/ui/text" "gioui.org/ui/text"
"golang.org/x/image/font/sfnt"
"golang.org/x/image/font/gofont/goregular" "golang.org/x/image/font/gofont/goregular"
"golang.org/x/image/font/sfnt"
) )
var ( var (
face text.Face face text.Face
black color.RGBA = color.RGBA{ A: 0xff, R: 0x00, G: 0x00, B: 0x00 } black color.RGBA = color.RGBA{A: 0xff, R: 0x00, G: 0x00, B: 0x00}
gray2 color.RGBA = color.RGBA{ A: 0xff, R: 0x70, G: 0x70, B: 0x70 } gray2 color.RGBA = color.RGBA{A: 0xff, R: 0xc0, G: 0xc0, B: 0xc0}
gray1 color.RGBA = color.RGBA{ A: 0xff, R: 0x50, G: 0x50, B: 0x50 } gray1 color.RGBA = color.RGBA{A: 0xff, R: 0x70, G: 0x70, B: 0x70}
) )
type SLabel struct { type SLabel struct {
@ -31,7 +31,7 @@ type SLabel struct {
func NewSLabel(t string, active *bool, lops ...gio.LabelOption) *SLabel { func NewSLabel(t string, active *bool, lops ...gio.LabelOption) *SLabel {
ret := &SLabel{} ret := &SLabel{}
lops = append([]gio.LabelOption{gio.Face(face)},lops...) lops = append([]gio.LabelOption{gio.Face(face)}, lops...)
lbl := gio.NewLabel(t, lops...) lbl := gio.NewLabel(t, lops...)
bg := &gio.Background{ bg := &gio.Background{
Color: gray2, Color: gray2,
@ -41,7 +41,7 @@ func NewSLabel(t string, active *bool, lops ...gio.LabelOption) *SLabel {
if *active { if *active {
bg.Color = gray1 bg.Color = gray1
} }
l := gio.AsClickable(gio.Enclose(bg,lbl)) l := gio.AsClickable(gio.Enclose(bg, lbl))
ret.w = l ret.w = l
ret.bg = bg ret.bg = bg
ret.active = active ret.active = active
@ -87,7 +87,9 @@ func eventloop() {
regular, err := sfnt.Parse(goregular.TTF) regular, err := sfnt.Parse(goregular.TTF)
face = ctx.Faces.For(regular, ui.Sp(16)) face = ctx.Faces.For(regular, ui.Sp(16))
if err != nil { log.Fatal("Cannot parse font.") } if err != nil {
log.Fatal("Cannot parse font.")
}
sysbg := gio.NewBackground(gio.Color(black)) sysbg := gio.NewBackground(gio.Color(black))
bg := gio.NewBackground(gio.Color(gray2)) bg := gio.NewBackground(gio.Color(gray2))
@ -108,7 +110,7 @@ func eventloop() {
labs[i] = make([]gio.Widget, numlabs) labs[i] = make([]gio.Widget, numlabs)
sels[i] = make([]bool, numlabs) sels[i] = make([]bool, numlabs)
for j := 0; j < numlabs; j++ { for j := 0; j < numlabs; j++ {
labs[i][j] = NewSLabel(fmt.Sprintf("%03d",i * j), &sels[i][j]) labs[i][j] = NewSLabel(fmt.Sprintf("%03d", i*16+j), &sels[i][j])
} }
} }
@ -120,8 +122,9 @@ func eventloop() {
var oldInsets app.Insets var oldInsets app.Insets
for { select { for {
case e:= <-w.Events(): select {
case e := <-w.Events():
switch e := e.(type) { switch e := e.(type) {
case app.DestroyEvent: case app.DestroyEvent:
return return
@ -133,7 +136,7 @@ func eventloop() {
} }
sysbg(sysinset(bg(margin( sysbg(sysinset(bg(margin(
f1(lbar,f2(topbar,sh( f1(lbar, f2(topbar, sh(
sv(labs[0]...), sv(labs[0]...),
sv(labs[1]...), sv(labs[1]...),
sv(labs[2]...), sv(labs[2]...),
@ -153,6 +156,6 @@ func eventloop() {
))))))).Layout(ctx) ))))))).Layout(ctx)
ctx.Update() ctx.Update()
} }
}} }
}
} }

147
grid.go Normal file
View File

@ -0,0 +1,147 @@
package giowrap
import (
"image"
"gioui.org/ui"
"gioui.org/ui/f32"
"gioui.org/ui/layout"
)
type Grid struct {
Cols int
Height, Width int
macro ui.MacroOp
ops *ui.Ops
cs layout.Constraints
mode gridMode
row, col int
}
type GridChild struct {
dims layout.Dimens
macro ui.MacroOp
}
type gridMode uint8
const (
modeNone gridMode = iota
modeBegun
)
func (g *Grid) Init(ops *ui.Ops, cs layout.Constraints) layout.Constraints {
g.mode = modeBegun
g.ops = ops
g.cs = cs
g.row, g.col = 0, 0
cs.Height.Min = 0
if g.Height != 0 {
g.cs.Height.Max = g.Height
}
if g.Width != 0 {
g.cs.Width.Max = g.Width
}
cs.Width.Max = g.cs.Width.Max / g.Cols
if g.Cols > 1 {
cs.Width.Min = cs.Width.Max
}
return cs
}
func (g *Grid) Begin() {
g.macro.Record(g.ops)
}
func (g *Grid) End(dims layout.Dimens) GridChild {
if g.mode != modeBegun {
panic("Must call Grid.Begin() before adding children.")
}
g.macro.Stop()
return GridChild{dims: dims, macro: g.macro}
}
func (g *Grid) Layout(cs ...GridChild) layout.Dimens {
rowheight := 0
height := 0
var width float32
var maxwidth float32
for _, c := range cs {
var stack ui.StackOp
stack.Push(g.ops)
c.macro.Add(g.ops)
stack.Pop()
if c.dims.Size.Y > rowheight {
rowheight = c.dims.Size.Y
}
g.col = g.col + 1
var x float32
if g.Cols == 1 {
x = float32(c.dims.Size.X)
if x > maxwidth {
maxwidth = x
}
} else {
x = float32(g.cs.Width.Max / g.Cols)
}
if g.col < g.Cols {
ui.TransformOp{}.Offset(f32.Point{X: x}).Add(g.ops)
width = width + x
} else {
g.col = 0
ui.TransformOp{}.Offset(f32.Point{X: -width, Y: float32(rowheight)}).Add(g.ops)
g.row = g.row + 1
height = height + rowheight
width = 0
rowheight = 0
}
}
if height == 0 {
height = rowheight
}
g.mode = modeNone
var dwidth int
if g.Cols == 1 {
dwidth = int(maxwidth)
} else {
dwidth = g.cs.Width.Max
}
return layout.Dimens{Size: image.Point{dwidth, height}}
}
func toPointF(p image.Point) f32.Point {
return f32.Point{X: float32(p.X), Y: float32(p.Y)}
}
type GridOption interface{ DoGridOption(*Grid) }
type HeightOpt struct{ height int }
func Height(x int) HeightOpt { return HeightOpt{x} }
func (x HeightOpt) DoGridOption(g *Grid) { g.Height = x.height }
func NewGrid(cols int, gops ...GridOption) WidgetCombinator {
g := &Grid{Cols: cols}
for _, gop := range gops {
gop.DoGridOption(g)
}
gcs := make([]GridChild, 0)
return func(ws ...Widget) Widget {
return NewfWidget(func(ctx *Context) {
cs := g.Init(ctx.ops, ctx.cs)
ctx.cs = cs
for _, w := range ws {
g.Begin()
w.Layout(ctx)
ctx.cs = cs // widget layout can modify constraints...
gcs = append(gcs, g.End(ctx.dims))
}
ctx.dims = g.Layout(gcs...)
gcs = gcs[0:0]
})
}
}

268
main.go
View File

@ -14,8 +14,8 @@ import (
"gioui.org/ui/text" "gioui.org/ui/text"
"gioui.org/ui/f32" "gioui.org/ui/f32"
"gioui.org/ui/paint"
"gioui.org/ui/gesture" "gioui.org/ui/gesture"
"gioui.org/ui/paint"
"gioui.org/ui/pointer" "gioui.org/ui/pointer"
) )
@ -29,10 +29,12 @@ var extra Extra
func (e *Extra) New() int { func (e *Extra) New() int {
e.Lock() e.Lock()
if e.data == nil { e.data = make([]interface{},0) } if e.data == nil {
e.data = make([]interface{}, 0)
}
ret := e.max ret := e.max
e.max = e.max + 1 e.max = e.max + 1
e.data = append(e.data,nil) e.data = append(e.data, nil)
e.Unlock() e.Unlock()
return ret return ret
} }
@ -79,25 +81,31 @@ type Label struct {
l *text.Label l *text.Label
} }
type FaceOpt struct { face text.Face } type FaceOpt struct{ face text.Face }
func Face(x text.Face) FaceOpt { return FaceOpt { x } }
type AlignOpt struct { alignment text.Alignment } func Face(x text.Face) FaceOpt { return FaceOpt{x} }
func Align(x text.Alignment) AlignOpt { return AlignOpt { x } }
type AlignOpt struct{ alignment text.Alignment }
func Align(x text.Alignment) AlignOpt { return AlignOpt{x} }
type LabelOpts struct { type LabelOpts struct {
FaceOpt FaceOpt
c *color.RGBA c *color.RGBA
AlignOpt AlignOpt
} }
type LabelOption interface { DoLabelOption(*LabelOpts) } type LabelOption interface{ DoLabelOption(*LabelOpts) }
func (x FaceOpt) DoLabelOption(o *LabelOpts) { o.face = x.face } func (x FaceOpt) DoLabelOption(o *LabelOpts) { o.face = x.face }
func (x AlignOpt) DoLabelOption(o *LabelOpts) { o.alignment = x.alignment } func (x AlignOpt) DoLabelOption(o *LabelOpts) { o.alignment = x.alignment }
func (x ColorOpt) DoLabelOption(o *LabelOpts) { o.c = &x.c; } func (x ColorOpt) DoLabelOption(o *LabelOpts) { o.c = &x.c }
func NewLabel(t string, lops ...LabelOption) *Label { func NewLabel(t string, lops ...LabelOption) *Label {
ret := &Label{} ret := &Label{}
opts := &LabelOpts{} opts := &LabelOpts{}
for _,o := range lops { o.DoLabelOption(opts) } for _, o := range lops {
o.DoLabelOption(opts)
}
ret.l = &text.Label{ ret.l = &text.Label{
Face: opts.face, Face: opts.face,
Text: t, Text: t,
@ -124,22 +132,26 @@ type Editor struct {
e *text.Editor e *text.Editor
} }
type SinglelineOpt struct { singleline bool } type SinglelineOpt struct{ singleline bool }
func Singleline(x bool) SinglelineOpt { return SinglelineOpt{ x } }
func Singleline(x bool) SinglelineOpt { return SinglelineOpt{x} }
type EditorOpts struct { type EditorOpts struct {
FaceOpt FaceOpt
SinglelineOpt SinglelineOpt
} }
type EditorOption interface { DoEditorOption(*EditorOpts) } type EditorOption interface{ DoEditorOption(*EditorOpts) }
func (x FaceOpt) DoEditorOption(o *EditorOpts) { o.face = x.face } func (x FaceOpt) DoEditorOption(o *EditorOpts) { o.face = x.face }
func (x SinglelineOpt) DoEditorOption(o *EditorOpts) { o.singleline = x.singleline } func (x SinglelineOpt) DoEditorOption(o *EditorOpts) { o.singleline = x.singleline }
func NewEditor(t string, eops ...EditorOption) *Editor { func NewEditor(t string, eops ...EditorOption) *Editor {
ret := &Editor{} ret := &Editor{}
opts := &EditorOpts{} opts := &EditorOpts{}
for _,o := range eops { o.DoEditorOption(opts) } for _, o := range eops {
ret.e = &text.Editor{ Face: opts.face, SingleLine: opts.singleline } o.DoEditorOption(opts)
}
ret.e = &text.Editor{Face: opts.face, SingleLine: opts.singleline}
ret.SetText(t) ret.SetText(t)
return ret return ret
} }
@ -157,7 +169,7 @@ type fWidget struct {
} }
func NewfWidget(l Layout) fWidget { func NewfWidget(l Layout) fWidget {
return fWidget{ l: l } return fWidget{l: l}
} }
func (fw fWidget) Layout(ctx *Context) { func (fw fWidget) Layout(ctx *Context) {
@ -167,13 +179,13 @@ func (fw fWidget) Layout(ctx *Context) {
type Stack WidgetCombinator type Stack WidgetCombinator
func NewStack() Stack { func NewStack() Stack {
s := layout.Stack{ Alignment: layout.Center } s := layout.Stack{Alignment: layout.Center}
scs := make([]layout.StackChild,0) scs := make([]layout.StackChild, 0)
return func(ws ...Widget) Widget { return func(ws ...Widget) Widget {
return NewfWidget(func(ctx *Context) { return NewfWidget(func(ctx *Context) {
s.Init(ctx.ops, ctx.cs) s.Init(ctx.ops, ctx.cs)
for _,w := range ws { for _, w := range ws {
ctx.cs = s.Rigid() ctx.cs = s.Rigid()
w.Layout(ctx) w.Layout(ctx)
scs = append(scs, s.End(ctx.dims)) scs = append(scs, s.End(ctx.dims))
@ -186,19 +198,23 @@ func NewStack() Stack {
type List = WidgetCombinator type List = WidgetCombinator
type AxisOpt struct { axis layout.Axis } type AxisOpt struct{ axis layout.Axis }
func Axis(x layout.Axis) AxisOpt { return AxisOpt{ x } }
func Axis(x layout.Axis) AxisOpt { return AxisOpt{x} }
type ListOpts struct { type ListOpts struct {
AxisOpt AxisOpt
} }
type ListOption interface { DoListOption(*ListOpts) } type ListOption interface{ DoListOption(*ListOpts) }
func (x AxisOpt) DoListOption(o *ListOpts) { o.axis = x.axis } func (x AxisOpt) DoListOption(o *ListOpts) { o.axis = x.axis }
func NewList(los ...ListOption) List { func NewList(los ...ListOption) List {
opts := &ListOpts{} opts := &ListOpts{}
for _,o := range los { o.DoListOption(opts) } for _, o := range los {
l := layout.List { Axis: opts.axis } o.DoListOption(opts)
}
l := layout.List{Axis: opts.axis}
return func(ws ...Widget) Widget { return func(ws ...Widget) Widget {
return NewfWidget(func(ctx *Context) { return NewfWidget(func(ctx *Context) {
for l.Init(ctx.c, ctx.q, ctx.ops, ctx.cs, len(ws)); l.More(); l.Next() { for l.Init(ctx.c, ctx.q, ctx.ops, ctx.cs, len(ws)); l.More(); l.Next() {
@ -234,8 +250,9 @@ func Rigid() Widget {
}) })
} }
type AlignmentOpt struct { alignment layout.Alignment } type AlignmentOpt struct{ alignment layout.Alignment }
func Alignment(x layout.Alignment) AlignmentOpt { return AlignmentOpt{ x } }
func Alignment(x layout.Alignment) AlignmentOpt { return AlignmentOpt{x} }
type FlexOpts struct { type FlexOpts struct {
AxisOpt AxisOpt
@ -243,14 +260,17 @@ type FlexOpts struct {
flexible float32 flexible float32
} }
type FlexOption interface { DoFlexOption(*FlexOpts) } type FlexOption interface{ DoFlexOption(*FlexOpts) }
func (x AxisOpt) DoFlexOption(o *FlexOpts) { o.axis = x.axis } func (x AxisOpt) DoFlexOption(o *FlexOpts) { o.axis = x.axis }
func (x AlignmentOpt) DoFlexOption(o *FlexOpts) { o.alignment = x.alignment } func (x AlignmentOpt) DoFlexOption(o *FlexOpts) { o.alignment = x.alignment }
// NewFlex returns a WidgetCombinator that wraps the layout.Flex element. // NewFlex returns a WidgetCombinator that wraps the layout.Flex element.
func NewFlex(fos ...FlexOption) Flex { func NewFlex(fos ...FlexOption) Flex {
opts := &FlexOpts{} opts := &FlexOpts{}
for _,o := range fos { o.DoFlexOption(opts) } for _, o := range fos {
o.DoFlexOption(opts)
}
f := layout.Flex{ f := layout.Flex{
Axis: opts.axis, Axis: opts.axis,
Alignment: opts.alignment, Alignment: opts.alignment,
@ -258,7 +278,7 @@ func NewFlex(fos ...FlexOption) Flex {
index := extra.New() index := extra.New()
extra.data[index] = opts extra.data[index] = opts
// do not call "make" inside the Layout function // do not call "make" inside the Layout function
fcs := make([]layout.FlexChild,0) fcs := make([]layout.FlexChild, 0)
return func(ws ...Widget) Widget { return func(ws ...Widget) Widget {
return NewfWidget(func(ctx *Context) { return NewfWidget(func(ctx *Context) {
@ -285,24 +305,32 @@ type InsetOpts struct {
top, right, bottom, left ui.Value top, right, bottom, left ui.Value
} }
type InsetOption interface { DoInsetOption(*InsetOpts) } type InsetOption interface{ DoInsetOption(*InsetOpts) }
type TopOpt struct { top ui.Value } type TopOpt struct{ top ui.Value }
func Top(x ui.Value) TopOpt { return TopOpt{ x } }
type RightOpt struct { right ui.Value } func Top(x ui.Value) TopOpt { return TopOpt{x} }
func Right(x ui.Value) RightOpt { return RightOpt{ x } }
type BottomOpt struct { bottom ui.Value } type RightOpt struct{ right ui.Value }
func Bottom(x ui.Value) BottomOpt { return BottomOpt{ x } }
type LeftOpt struct { left ui.Value } func Right(x ui.Value) RightOpt { return RightOpt{x} }
func Left(x ui.Value) LeftOpt { return LeftOpt{ x } }
type BottomOpt struct{ bottom ui.Value }
func Bottom(x ui.Value) BottomOpt { return BottomOpt{x} }
type LeftOpt struct{ left ui.Value }
func Left(x ui.Value) LeftOpt { return LeftOpt{x} }
func (x TopOpt) DoInsetOption(o *InsetOpts) { o.top = x.top } func (x TopOpt) DoInsetOption(o *InsetOpts) { o.top = x.top }
func (x RightOpt) DoInsetOption(o *InsetOpts) { o.right = x.right } func (x RightOpt) DoInsetOption(o *InsetOpts) { o.right = x.right }
func (x BottomOpt) DoInsetOption(o *InsetOpts) { o.bottom = x.bottom } func (x BottomOpt) DoInsetOption(o *InsetOpts) { o.bottom = x.bottom }
func (x LeftOpt) DoInsetOption(o *InsetOpts) { o.left = x.left } func (x LeftOpt) DoInsetOption(o *InsetOpts) { o.left = x.left }
type SizeOpt struct { size ui.Value } type SizeOpt struct{ size ui.Value }
func Size(x ui.Value) SizeOpt { return SizeOpt{ x } }
func Size(x ui.Value) SizeOpt { return SizeOpt{x} }
func (x SizeOpt) DoInsetOption(o *InsetOpts) { func (x SizeOpt) DoInsetOption(o *InsetOpts) {
o.top = x.size o.top = x.size
o.right = x.size o.right = x.size
@ -313,8 +341,10 @@ func (x SizeOpt) DoInsetOption(o *InsetOpts) {
//NewInset returns a WidgetCombinator that wraps the layout.Inset element. //NewInset returns a WidgetCombinator that wraps the layout.Inset element.
func NewInset(insos ...InsetOption) WidgetCombinator { func NewInset(insos ...InsetOption) WidgetCombinator {
opts := &InsetOpts{} opts := &InsetOpts{}
for _,o := range insos { o.DoInsetOption(opts) } for _, o := range insos {
ins := layout.Inset{ Top: opts.top, Right: opts.right, Bottom: opts.bottom, Left: opts.left } o.DoInsetOption(opts)
}
ins := layout.Inset{Top: opts.top, Right: opts.right, Bottom: opts.bottom, Left: opts.left}
return func(ws ...Widget) Widget { return func(ws ...Widget) Widget {
return NewfWidget(func(ctx *Context) { return NewfWidget(func(ctx *Context) {
ctx.cs = ins.Begin(ctx.c, ctx.ops, ctx.cs) ctx.cs = ins.Begin(ctx.c, ctx.ops, ctx.cs)
@ -342,7 +372,7 @@ type Enclosure interface {
func Enclose(e Enclosure, ws ...Widget) Widget { func Enclose(e Enclosure, ws ...Widget) Widget {
return NewfWidget(func(ctx *Context) { return NewfWidget(func(ctx *Context) {
e.Begin(ctx) e.Begin(ctx)
for _,w := range ws { for _, w := range ws {
w.Layout(ctx) w.Layout(ctx)
} }
e.End(ctx) e.End(ctx)
@ -354,19 +384,23 @@ type BackgroundOpts struct {
radius ui.Value radius ui.Value
} }
type BackgroundOption interface { DoBackgroundOption(*BackgroundOpts) } type BackgroundOption interface{ DoBackgroundOption(*BackgroundOpts) }
type ColorOpt struct { c color.RGBA } type ColorOpt struct{ c color.RGBA }
func Color(x color.RGBA) ColorOpt { return ColorOpt{ x } }
func Color(x color.RGBA) ColorOpt { return ColorOpt{x} }
func (x ColorOpt) DoBackgroundOption(o *BackgroundOpts) { o.c = x.c } func (x ColorOpt) DoBackgroundOption(o *BackgroundOpts) { o.c = x.c }
type RadiusOpt struct { radius ui.Value } type RadiusOpt struct{ radius ui.Value }
func Radius(x ui.Value) RadiusOpt { return RadiusOpt { x } }
func Radius(x ui.Value) RadiusOpt { return RadiusOpt{x} }
func (x RadiusOpt) DoBackgroundOption(o *BackgroundOpts) { o.radius = x.radius } func (x RadiusOpt) DoBackgroundOption(o *BackgroundOpts) { o.radius = x.radius }
func NewBackground(bos ...BackgroundOption) WidgetCombinator { func NewBackground(bos ...BackgroundOption) WidgetCombinator {
opts := &BackgroundOpts{} opts := &BackgroundOpts{}
for _,o := range bos { o.DoBackgroundOption(opts) } for _, o := range bos {
o.DoBackgroundOption(opts)
}
bg := &Background{ bg := &Background{
Color: opts.c, Color: opts.c,
Radius: opts.radius, Radius: opts.radius,
@ -389,10 +423,10 @@ func (bg *Background) End(ctx *Context) {
stack.Push(ctx.ops) stack.Push(ctx.ops)
w, h := float32(ctx.dims.Size.X), float32(ctx.dims.Size.Y) w, h := float32(ctx.dims.Size.X), float32(ctx.dims.Size.Y)
if r := float32(ctx.c.Px(bg.Radius)); r > 0 { if r := float32(ctx.c.Px(bg.Radius)); r > 0 {
if r > w / 2 { if r > w/2 {
r = w / 2 r = w / 2
} }
if r > h / 2 { if r > h/2 {
r = h / 2 r = h / 2
} }
Rrect(ctx.ops, w, h, r, r, r, r) Rrect(ctx.ops, w, h, r, r, r, r)
@ -433,7 +467,7 @@ type cWidget struct {
func (w cWidget) Layout(ctx *Context) { func (w cWidget) Layout(ctx *Context) {
w.w.Layout(ctx) w.w.Layout(ctx)
pointer.RectAreaOp{image.Rect(0,0,ctx.dims.Size.X,ctx.dims.Size.Y)}.Add(ctx.ops) pointer.RectAreaOp{image.Rect(0, 0, ctx.dims.Size.X, ctx.dims.Size.Y)}.Add(ctx.ops)
w.click.Add(ctx.ops) w.click.Add(ctx.ops)
} }
@ -449,133 +483,5 @@ func (w cWidget) Clicked(ctx *Context) bool {
//Clickable converts any Widget into a clickable Widget. //Clickable converts any Widget into a clickable Widget.
func AsClickable(w Widget) cWidget { func AsClickable(w Widget) cWidget {
return cWidget{ w: w, click: new(gesture.Click) } return cWidget{w: w, click: new(gesture.Click)}
}
type Grid struct {
Cols int
Height, Width int
macro ui.MacroOp
ops *ui.Ops
cs layout.Constraints
mode gridMode
row, col int
}
type GridChild struct {
dims layout.Dimens
macro ui.MacroOp
}
type gridMode uint8
const (
modeNone gridMode = iota
modeBegun
)
func (g *Grid) Init(ops *ui.Ops, cs layout.Constraints) layout.Constraints {
g.mode = modeBegun
g.ops = ops
g.cs = cs
g.row, g.col = 0, 0
cs.Height.Min = 0
if g.Height != 0 { g.cs.Height.Max = g.Height }
if g.Width != 0 { g.cs.Width.Max = g.Width }
cs.Width.Max = g.cs.Width.Max / g.Cols
if g.Cols > 1 {
cs.Width.Min = cs.Width.Max
}
return cs
}
func (g *Grid) Begin() {
g.macro.Record(g.ops)
}
func (g *Grid) End(dims layout.Dimens) GridChild {
if g.mode != modeBegun {
panic("Must call Grid.Begin() before adding children.")
}
g.macro.Stop()
return GridChild{ dims: dims, macro: g.macro }
}
func (g *Grid) Layout(cs ...GridChild) layout.Dimens {
rowheight := 0
height := 0
var width float32
var maxwidth float32
for _,c := range cs {
var stack ui.StackOp
stack.Push(g.ops)
c.macro.Add(g.ops)
stack.Pop()
if c.dims.Size.Y > rowheight {
rowheight = c.dims.Size.Y
}
g.col = g.col+1
var x float32
if g.Cols == 1 {
x = float32(c.dims.Size.X)
if x > maxwidth { maxwidth = x }
} else {
x = float32(g.cs.Width.Max / g.Cols)
}
if g.col < g.Cols {
ui.TransformOp{}.Offset(f32.Point{X: x}).Add(g.ops)
width = width + x
} else {
g.col = 0
ui.TransformOp{}.Offset(f32.Point{ X: -width, Y: float32(rowheight) }).Add(g.ops)
g.row = g.row + 1
height = height + rowheight
width = 0
rowheight = 0
}
}
if height == 0 { height = rowheight }
g.mode = modeNone
var dwidth int
if g.Cols == 1 {
dwidth = int(maxwidth)
} else {
dwidth = g.cs.Width.Max
}
return layout.Dimens{ Size: image.Point{ dwidth, height } }
}
func toPointF(p image.Point) f32.Point {
return f32.Point{X: float32(p.X), Y: float32(p.Y)}
}
type GridOption interface { DoGridOption(*Grid) }
type HeightOpt struct { height int }
func Height(x int) HeightOpt { return HeightOpt{ x } }
func (x HeightOpt) DoGridOption(g *Grid) { g.Height = x.height }
func NewGrid(cols int, gops ...GridOption) WidgetCombinator {
g := &Grid{ Cols: cols }
for _, gop := range gops {
gop.DoGridOption(g)
}
gcs := make([]GridChild,0)
return func(ws ...Widget) Widget {
return NewfWidget(func(ctx *Context) {
cs := g.Init(ctx.ops, ctx.cs)
ctx.cs = cs
for _,w := range ws {
g.Begin()
w.Layout(ctx)
ctx.cs = cs // widget layout can modify constraints...
gcs = append(gcs,g.End(ctx.dims))
}
ctx.dims = g.Layout(gcs...)
gcs = gcs[0:0]
})
}
} }