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package main
import (
"image"
"image/draw"
"log"
"time"
"github.com/faiface/gui"
"github.com/faiface/gui/fixedgrid"
"github.com/faiface/gui/win"
"github.com/faiface/mainthread"
"golang.org/x/image/colornames"
"golang.org/x/image/font/gofont/goregular"
)
func Blinker(env gui.Env, closed bool) {
defer func() {
if recover() != nil {
log.Print("recovered blinker")
}
}()
var r image.Rectangle
var visible bool = true
// redraw takes a bool and produces a draw command
redraw := func() func(draw.Image) image.Rectangle {
return func(drw draw.Image) image.Rectangle {
if visible {
draw.Draw(drw, r, image.White, image.ZP, draw.Src)
} else {
draw.Draw(drw, r, &image.Uniform{colornames.Firebrick}, image.ZP, draw.Src)
}
return r
}
}
// first we draw a white rectangle
env.Draw() <- redraw()
go func() {
for event := range env.Events() {
switch event := event.(type) {
case win.MoDown:
if event.Point.In(r) {
go func() {
for i := 0; i < 3; i++ {
visible = false
env.Draw() <- redraw()
time.Sleep(time.Second / 3)
visible = true
env.Draw() <- redraw()
time.Sleep(time.Second / 3)
}
}()
}
case gui.Resize:
log.Print(event)
r = event.Rectangle
env.Draw() <- redraw()
}
}
}()
if closed {
time.Sleep(time.Second * 1)
close(env.Draw())
}
}
func run() {
face, err := TTFToFace(goregular.TTF, 18)
if err != nil {
panic(err)
}
theme := &Theme{
Face: face,
Background: colornames.White,
Empty: colornames.Darkgrey,
Text: colornames.Black,
Highlight: colornames.Blueviolet,
ButtonUp: colornames.Lightgrey,
ButtonDown: colornames.Grey,
}
w, err := win.New(win.Title("gui test"),
win.Resizable(),
)
if err != nil {
panic(err)
}
mux, env := gui.NewMux(w)
gr := fixedgrid.New(mux.MakeEnv(),
fixedgrid.Rows(5),
fixedgrid.Columns(2),
fixedgrid.Gap(10),
)
log.Print(gr)
go Blinker(gr.GetEnv("0;0"), false)
go Blinker(gr.GetEnv("0;1"), true)
go Blinker(gr.GetEnv("1;1"), false)
go Blinker(gr.GetEnv("0;2"), false)
go Blinker(gr.GetEnv("0;3"), false)
go Blinker(gr.GetEnv("0;4"), false)
sgr := fixedgrid.New(gr.GetEnv("1;0"),
fixedgrid.Columns(3),
fixedgrid.Gap(4),
fixedgrid.Background(colornames.Darkgrey),
)
go Button(sgr.GetEnv("0;0"), theme, "Hey", func() {
log.Print("hey")
})
go Button(sgr.GetEnv("1;0"), theme, "Ho", func() {
log.Print("ho")
})
go Button(sgr.GetEnv("2;0"), theme, "Hu", func() {
log.Print("hu")
})
// we use the master env now, w is used by the mux
for event := range env.Events() {
switch event.(type) {
case win.WiClose:
close(env.Draw())
}
}
}
func main() {
mainthread.Run(run)
}
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