Added X backend stub

application.go

@@ -20,9 +20,7 @@ func (application *Application) SetTitle (title string) {
 
 // Run initializes the application, starts it, and then returns a channel that
 // broadcasts events. If no suitable backend can be found, an error is returned.
-func (application *Application) Run (
+func (application *Application) Run () (
-	callback func (application *Application),
-) (
 	channel chan(Event),
 	err     error,
 ) {
@@ -44,7 +42,9 @@ func (application *Application) Run (
 
 	application.backend, err = instantiateBackend(application)
 	if err != nil { return }
-	channel = application.backend.Run()
+	
+	channel = make(chan(Event))
+	application.backend.Run(channel)
 
 	return
 }

backend.go

@@ -4,7 +4,7 @@ import "image"
 import "errors"
 
 type Backend interface {
-	Run      () (channel chan(Event))
+	Run      (channel chan(Event))
 	SetTitle (title string)
 	SetIcon  (icons []image.Image)
 }

backends/x/x.go

@@ -0,0 +1,34 @@
+package x
+
+import "image"
+
+import "github.com/jezek/xgbutil"
+// import "github.com/jezek/xgbutil/ewmh"
+// import "github.com/jezek/xgbutil/xevent"
+import "github.com/jezek/xgbutil/xwindow"
+import "github.com/jezek/xgbutil/xgraphics"
+
+import "git.tebibyte.media/sashakoshka/stone"
+
+type Backend struct {
+	connection *xgbutil.Conn
+	window     *xwindow.Window
+	canvas     *xgraphics.Image
+}
+
+func (backend *Backend) Run (channel chan(stone.Event)) {
+	// TODO: setup
+	go backend.mainLoop(channel)
+}
+
+func (backend *Backend) mainLoop (channel chan(stone.Event)) {
+	
+}
+
+func (backend *Backend) SetTitle (title string) {
+	
+}
+
+func (backend *Backend) SetIcon (icons []image.Image) {
+	
+}

examples/hello/main.go

@@ -1,31 +1,25 @@
 package main
 
+import "os"
 import "fmt"
 import "time"
 import "git.tebibyte.media/sashakoshka/stone"
 // import _ "git.tebibyte.media/sashakoshka/stone/backends/x"
 
 func main () {
-	application := stone.Application { }
+	application  := &stone.Application { }
-	err := application.Run(run)
+	channel, err := application.Run()
 	if err != nil { panic(err) }
-}
 	
-func run (application *stone.Application) {
 	currentTime := time.Time { }
-	frameDelay  := time.Second / 2
-	textBuffer  := ""
 
 	for {
-		typed := application.Typed()
+		event := <- channel
-		textBuffer += typed
+		switch event.(type) {
+		case stone.EventQuit:
+			os.Exit(0)
 
-		shouldRender :=
+		case stone.EventResize:
-			application.Resized() ||
-			time.Since(currentTime) > frameDelay ||
-			len(typed) > 0
-			
-		if shouldRender {
 			currentTime = time.Now()
 
 			application.ResetDot()
@@ -43,18 +37,54 @@ func run (application *stone.Application) {
 			application.SetRune(5, 1, ':')
 			application.SetRune(6, 1, rune(second / 10 + 48))
 			application.SetRune(7, 1, rune(second % 10 + 48))
-
-			application.Dot.X = 0
-			application.Dot.Y = 2
-			fmt.Fprintln(application, textBuffer)
-
-		}
-
-		if application.Pressed(stone.MouseButtonLeft) {
-			x, y := application.MousePosition()
-			application.SetRune(x, y, '#')
-		}
-		
-		if !application.Await(frameDelay) { break }
 		}
 	}
+}
+
+// func run (application *stone.Application) {
+	// currentTime := time.Time { }
+	// frameDelay  := time.Second / 2
+	// textBuffer  := ""
+	// 
+	// for {
+		// typed := application.Typed()
+		// textBuffer += typed
+	// 
+		// shouldRender :=
+			// application.Resized() ||
+			// time.Since(currentTime) > frameDelay ||
+			// len(typed) > 0
+			// 
+		// if shouldRender {
+			// currentTime = time.Now()
+// 
+			// application.ResetDot()
+			// fmt.Fprintln(application, "hellorld!")
+// 
+			// hour   := currentTime.Hour()
+			// minute := currentTime.Minute()
+			// second := currentTime.Second()
+// 
+			// application.SetRune(0, 1, rune(hour / 10 + 48))
+			// application.SetRune(1, 1, rune(hour % 10 + 48))
+			// application.SetRune(2, 1, ':')
+			// application.SetRune(3, 1, rune(minute / 10 + 48))
+			// application.SetRune(4, 1, rune(minute % 10 + 48))
+			// application.SetRune(5, 1, ':')
+			// application.SetRune(6, 1, rune(second / 10 + 48))
+			// application.SetRune(7, 1, rune(second % 10 + 48))
+// 
+			// application.Dot.X = 0
+			// application.Dot.Y = 2
+			// fmt.Fprintln(application, textBuffer)
+// 
+		// }
+// 
+		// if application.Pressed(stone.MouseButtonLeft) {
+			// x, y := application.MousePosition()
+			// application.SetRune(x, y, '#')
+		// }
+		// 
+		// if !application.Await(frameDelay) { break }
+	// }
+// }

go.mod

@@ -4,14 +4,18 @@ go 1.18
 
 require (
 	github.com/faiface/pixel v0.10.0
+	github.com/jezek/xgbutil v0.0.0-20210302171758-530099784e66
 	golang.org/x/image v0.0.0-20190523035834-f03afa92d3ff
 )
 
 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/faiface/glhf v0.0.0-20181018222622-82a6317ac380 // indirect
 	github.com/faiface/mainthread v0.0.0-20171120011319-8b78f0a41ae3 // indirect
 	github.com/go-gl/gl v0.0.0-20190320180904-bf2b1f2f34d7 // indirect
 	github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72 // indirect
 	github.com/go-gl/mathgl v0.0.0-20190416160123-c4601bc793c7 // indirect
+	github.com/jezek/xgb v1.1.0 // indirect
 	github.com/pkg/errors v0.8.1 // indirect
 )

go.sum

@@ -1,3 +1,7 @@
+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/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/faiface/glhf v0.0.0-20181018222622-82a6317ac380 h1:FvZ0mIGh6b3kOITxUnxS3tLZMh7yEoHo75v3/AgUqg0=
@@ -12,7 +16,12 @@ github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72 h1:b+9H1GAsx5
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
 github.com/go-gl/mathgl v0.0.0-20190416160123-c4601bc793c7 h1:THttjeRn1iiz69E875U6gAik8KTWk/JYAHoSVpUxBBI=
 github.com/go-gl/mathgl v0.0.0-20190416160123-c4601bc793c7/go.mod h1:yhpkQzEiH9yPyxDUGzkmgScbaBVlhC06qodikEM0ZwQ=
+github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 h1:DACJavvAHhabrF08vX0COfcOBJRhZ8lUbR+ZWIs0Y5g=
 github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0/go.mod h1:E/TSTwGwJL78qG/PmXZO1EjYhfJinVAhrmmHX6Z8B9k=
+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/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=