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GNU GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
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module git.tebibtye.media/sashakoshka/stonecal
go 1.19
require git.tebibyte.media/sashakoshka/stone v0.4.1
require (
github.com/BurntSushi/freetype-go v0.0.0-20160129220410-b763ddbfe298 // indirect
github.com/BurntSushi/graphics-go v0.0.0-20160129215708-b43f31a4a966 // indirect
github.com/flopp/go-findfont v0.1.0 // indirect
github.com/jezek/xgb v1.1.0 // indirect
github.com/jezek/xgbutil v0.0.0-20210302171758-530099784e66 // indirect
golang.org/x/image v0.1.0 // indirect
golang.org/x/text v0.4.0 // indirect
)

39
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git.tebibyte.media/sashakoshka/stone v0.4.1 h1:cKV5cX+y3DHfOBXXLzZ+TFV+fs3Jx+k7XevmDaINu0Q=
git.tebibyte.media/sashakoshka/stone v0.4.1/go.mod h1:ISnqmX6xvItOot3eW3YWLcNFeJrGpKetQGQniAjnU2A=
github.com/BurntSushi/freetype-go v0.0.0-20160129220410-b763ddbfe298 h1:1qlsVAQJXZHsaM8b6OLVo6muQUQd4CwkH/D3fnnbHXA=
github.com/BurntSushi/freetype-go v0.0.0-20160129220410-b763ddbfe298/go.mod h1:D+QujdIlUNfa0igpNMk6UIvlb6C252URs4yupRUV4lQ=
github.com/BurntSushi/graphics-go v0.0.0-20160129215708-b43f31a4a966 h1:lTG4HQym5oPKjL7nGs+csTgiDna685ZXjxijkne828g=
github.com/BurntSushi/graphics-go v0.0.0-20160129215708-b43f31a4a966/go.mod h1:Mid70uvE93zn9wgF92A/r5ixgnvX8Lh68fxp9KQBaI0=
github.com/flopp/go-findfont v0.1.0 h1:lPn0BymDUtJo+ZkV01VS3661HL6F4qFlkhcJN55u6mU=
github.com/flopp/go-findfont v0.1.0/go.mod h1:wKKxRDjD024Rh7VMwoU90i6ikQRCr+JTHB5n4Ejkqvw=
github.com/jezek/xgb v1.1.0 h1:wnpxJzP1+rkbGclEkmwpVFQWpuE2PUGNUzP8SbfFobk=
github.com/jezek/xgb v1.1.0/go.mod h1:nrhwO0FX/enq75I7Y7G8iN1ubpSGZEiA3v9e9GyRFlk=
github.com/jezek/xgbutil v0.0.0-20210302171758-530099784e66 h1:+wPhoJD8EH0/bXipIq8Lc2z477jfox9zkXPCJdhvHj8=
github.com/jezek/xgbutil v0.0.0-20210302171758-530099784e66/go.mod h1:KACeV+k6b+aoLTVrrurywEbu3UpqoQcQywj4qX8aQKM=
github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
golang.org/x/image v0.1.0 h1:r8Oj8ZA2Xy12/b5KZYj3tuv7NG/fBz3TwQVvpJ9l8Rk=
golang.org/x/image v0.1.0/go.mod h1:iyPr49SD/G/TBxYVB/9RRtGUT5eNbo2u4NamWeQcD5c=
golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
golang.org/x/text v0.4.0 h1:BrVqGRd7+k1DiOgtnFvAkoQEWQvBc25ouMJM6429SFg=
golang.org/x/text v0.4.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=

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package main
import "fmt"
import "time"
import "bytes"
import "image"
import _ "embed"
import _ "image/png"
import "git.tebibyte.media/sashakoshka/stone"
import _ "git.tebibyte.media/sashakoshka/stone/backends/x"
//go:embed icon/icon64.png
var iconBytes []byte
var application = &stone.Application { }
var now time.Time
var viewingMonth int
var columns, rows int
var shortMonthNames = []string {
"",
"Jan",
"Feb",
"Mar",
"Apr",
"May",
"Jun",
"Jul",
"Aug",
"Sep",
"Oct",
"Nov",
"Dec",
}
func main () {
application.SetTitle("Calendar")
application.SetSize(20, 8)
icon, _, err := image.Decode(bytes.NewReader(iconBytes))
if err != nil { panic(err) }
application.SetIcon([]image.Image { icon })
application.OnStart(onStart)
application.OnResize(redraw)
application.OnPress(onPress)
application.OnScroll(onScroll)
err = application.Run()
if err != nil { panic(err) }
}
func onScroll (x, y int) {
viewingMonth += y * columns
application.Clear()
redraw()
application.Draw()
}
func onPress (button stone.Button, modifiers stone.Modifiers) {
switch button {
case stone.KeyUp:
viewingMonth -= columns
application.Clear()
redraw()
application.Draw()
case stone.KeyDown:
viewingMonth += columns
application.Clear()
redraw()
application.Draw()
case stone.KeyPageUp:
viewingMonth -= columns * rows
application.Clear()
redraw()
application.Draw()
case stone.KeyPageDown:
viewingMonth += columns * rows
application.Clear()
redraw()
application.Draw()
}
}
func onStart () {
now = time.Now()
viewingMonth = int(now.Month() - 1) + now.Year() * 12
redraw()
}
func redraw () {
width, height := application.Size()
monthIter := viewingMonth
rows = 0
columns = (width - 20) / 23 + 1
xOffset := (width - columns * 23) / 2 + 1
for y := 0; y < height; y += 10 {
for x := 0; x < width - 19; x += 23 {
drawMonth (
x + xOffset, y,
monthIter / 12,
time.Month(wrap(monthIter, 12) + 1))
monthIter ++
}
rows ++
}
}
func wrap (value, around int) (wrapped int) {
wrapped = value % around
if wrapped < 0 {
wrapped += around
}
return
}
func drawMonth (xOffset, yOffset, year int, month time.Month) {
current := month == now.Month() && year == now.Year()
bce := year < 0
if bce { year *= -1 }
var dateString string
dateString = fmt.Sprintf("%d ", year)
if bce { dateString += "BCE " }
dateString += month.String()
application.SetDot(xOffset + (20 - len(dateString)) / 2, yOffset)
fmt.Fprint(application, dateString)
var headerColor stone.Color
if current {
headerColor = stone.ColorRed
} else {
headerColor = stone.ColorForeground
}
for x := xOffset; x < 20 + xOffset; x ++ {
application.SetColor(x, yOffset, headerColor)
}
application.SetDot(xOffset, yOffset + 2)
fmt.Fprint (
application,
"S M T W Þ F S\n")
application.SetColor(xOffset, yOffset + 2, stone.ColorDim)
application.SetColor(xOffset + 18, yOffset + 2, stone.ColorDim)
dayIter := 0 - int(firstOfMonth(year, month).Weekday())
if dayIter <= -6 {
dayIter = 1
}
x, y, weekday := xOffset, yOffset + 3, 0
totalDays := daysInMonth(year, month)
for ; dayIter <= totalDays; dayIter ++ {
if dayIter > 0 {
application.SetDot(x, y)
fmt.Fprint(application, dayIter)
}
if current && dayIter == int(now.Day()) {
application.SetColor(x, y, stone.ColorRed)
application.SetColor(x + 1, y, stone.ColorRed)
} else if weekday == 0 || weekday == 6 {
application.SetColor(x, y, stone.ColorDim)
application.SetColor(x + 1, y, stone.ColorDim)
}
weekday = (weekday + 1) % 7
x += 3
if x > xOffset + 20 {
x = xOffset
y ++
}
}
}
func firstOfMonth (year int, month time.Month) (day time.Time) {
day = time.Date(year, month, 0, 0, 0, 0, 0, time.Local)
return
}
func daysInMonth (year int, month time.Month) (days int) {
switch month {
case 1: days = 31
case 2:
// betcha didn't know this about leap years
if year % 4 == 0 && (year % 100 != 0 || year % 400 == 0) {
days = 29
} else {
days = 28
}
case 3: days = 31
case 4: days = 30
case 5: days = 31
case 6: days = 30
case 7: days = 31
case 8: days = 31
case 9: days = 30
case 10: days = 31
case 11: days = 30
case 12: days = 31
}
return
}