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10 Commits

Author SHA1 Message Date
Jeff Carr 3d46cf352a remove for now 2025-03-05 03:47:40 -06:00
Jeff Carr 113154e858 fix typos 2025-02-21 10:21:32 -06:00
Jeff Carr 9e177d2636 fixed for new 'tree' package 2025-02-14 18:20:30 -06:00
Jeff Carr 2b8673e04c ignore all *.so files 2025-01-07 17:44:05 -06:00
Jeff Carr bdfdf5b2c3 standard build rules 2024-12-06 01:52:16 -06:00
Jeff Carr 3b22b50a2b using resources so it might run as a plugin 2024-12-05 18:49:47 -06:00
Jeff Carr 4a72be2044 trying to match build versions 2024-12-05 12:38:07 -06:00
Jeff Carr dfdca9f007 identify for building 2024-12-04 03:18:39 -06:00
Jeff Carr 8ab4f273a0 minor 2024-12-04 03:15:42 -06:00
Jeff Carr 66c4285902 update. still doesn't build with go-clone
Signed-off-by: Jeff Carr <jcarr@wit.com>
2024-12-04 00:36:06 -06:00
16 changed files with 233 additions and 184 deletions

2
.gitignore vendored
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@ -1,3 +1,5 @@
*.swp *.swp
go.mod go.mod
go.sum go.sum
pixelgl
*.so

1
.plugin Normal file
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@ -0,0 +1 @@
// plugin

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@ -1,12 +1,32 @@
all: plugin VERSION = $(shell git describe --tags)
ldd ../pixelgl.so BUILDTIME = $(shell date +%Y.%m.%d)
all: clean goimports plugin
#ldd pixelgl.so
deps:
sudo apt install libxxf86vm-dev libxxf86vm1
plugin: plugin:
GO111MODULE=off go build -v -x -buildmode=plugin -o ../pixelgl.so LD_LIBRARY_PATH=/usr/lib/x86_64-linux-gnu/ GO111MODULE=off go build -v -x -buildmode=plugin -o pixelgl.so
install:
rm -f pixelgo.so
go build -v -x -buildmode=plugin -o ~/go/lib/pixelgl-${VERSION}.so
cd ~/go/lib && ln -f -s pixelgl-${VERSION}.so pixelgl.so
clean:
rm -f pixelgl pixelgl.so
full-plugin:
GO111MODULE=off go build -v -x -buildmode=plugin -o pixelgl.so
full-install:
GO111MODULE=off go build -v -x -buildmode=plugin -o pixelgl.so
standalone: standalone:
GO111MODULE=off go install -v -x GO111MODULE=off go build -v -x
pixelgl ./pixelgl
check-git-clean: check-git-clean:
@git diff-index --quiet HEAD -- || (echo "Git repository is dirty, please commit your changes first"; exit 1) @git diff-index --quiet HEAD -- || (echo "Git repository is dirty, please commit your changes first"; exit 1)

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@ -3,3 +3,5 @@
Package gui implements a abstraction layer for Go visual elements. Package gui implements a abstraction layer for Go visual elements.
This is a sample plugin. It's a skeleton intended to be used when making a new toolkit plugin. This is a sample plugin. It's a skeleton intended to be used when making a new toolkit plugin.
# github.com/faiface/pixel-examples/community/seascape-shader/

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@ -7,12 +7,13 @@ package main
*/ */
import ( import (
"go.wit.com/lib/protobuf/guipb"
"go.wit.com/log" "go.wit.com/log"
"go.wit.com/toolkits/tree" "go.wit.com/toolkits/tree"
"go.wit.com/widget" "go.wit.com/widget"
) )
func Add(n *tree.Node) { func newAdd(n *tree.Node) {
log.Log(INFO, "Add() END =", n.WidgetType, n.String()) log.Log(INFO, "Add() END =", n.WidgetType, n.String())
if n == nil { if n == nil {
log.Warn("Tree Error: Add() sent n == nil") log.Warn("Tree Error: Add() sent n == nil")
@ -58,7 +59,7 @@ func newaction(n *tree.Node, atype widget.ActionType) {
// w.disableColor() // w.disableColor()
case widget.Delete: case widget.Delete:
log.Info("newaction() DeleteNode()") log.Info("newaction() DeleteNode()")
n.DeleteNode() // n.DeleteNode()
case widget.ToolkitClose: case widget.ToolkitClose:
log.Info("newaction() toolkit closed. are the channels cleand up?") log.Info("newaction() toolkit closed. are the channels cleand up?")
return return
@ -68,15 +69,15 @@ func newaction(n *tree.Node, atype widget.ActionType) {
log.Log(INFO, "newaction() END", atype, n.String()) log.Log(INFO, "newaction() END", atype, n.String())
} }
func SetTitle(n *tree.Node, s string) { func setTitle(n *tree.Node, s string) {
SetText(n, s) setText(n, s)
} }
func SetLabel(n *tree.Node, s string) { func setLabel(n *tree.Node, s string) {
SetText(n, s) setText(n, s)
} }
func SetText(n *tree.Node, s string) { func setText(n *tree.Node, s string) {
if n == nil { if n == nil {
log.Warn("Tree Error: Add() sent n == nil") log.Warn("Tree Error: Add() sent n == nil")
return return
@ -90,7 +91,7 @@ func SetText(n *tree.Node, s string) {
log.Info("SetText()", n.WidgetType, n.String()) log.Info("SetText()", n.WidgetType, n.String())
} }
func AddText(n *tree.Node, s string) { func addText(n *tree.Node, s string) {
if n == nil { if n == nil {
log.Warn("Tree Error: Add() sent n == nil") log.Warn("Tree Error: Add() sent n == nil")
return return
@ -103,3 +104,23 @@ func AddText(n *tree.Node, s string) {
// w := n.TK.(*guiWidget) // w := n.TK.(*guiWidget)
// w.AddText(s) // w.AddText(s)
} }
func enableWidget(n *tree.Node) {
log.Info("do enable() here")
}
func disableWidget(n *tree.Node) {
log.Info("do enable() here")
}
func setChecked(n *tree.Node, b bool) {
log.Info("do enable() here")
}
func showTable(n *guipb.Table) {
log.Info("do enable() here")
}
func toolkitClose() {
log.Info("do enable() here")
}

30
args.go
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@ -28,3 +28,33 @@ func init() {
ERROR = log.NewFlag("ERROR", true, full, short, "toolkit errors") ERROR = log.NewFlag("ERROR", true, full, short, "toolkit errors")
} }
var argv args
type args struct {
Width float64 `arg:"--width" default:"640" help:"window width"`
Height float64 `arg:"--height" default:"480" help:"window height"`
Filename string `arg:"--filename" help:"what .glsl file to render"`
DryRun bool `arg:"--dry-run" help:"show what would be run"`
GLdrift float32 `arg:"--drift" default:"0.01" help:"how fast things move around"`
// Fetch bool `arg:"--git-fetch" default:"false" help:"run 'git fetch' on all your repos"`
}
func (args) Version() string {
return "go-clone " + VERSION + " Built on " + BUILDTIME
}
func (a args) Description() string {
return `
git clone go repositories
Examples:
go-clone go.wit.com/apps/go-clone # simply try to git clone this
go-clone --recursive go.wit.com/apps/go-clone # recursively clone all the dependancies
go-clone --auto-work go.wit.com/apps/go-clone # if you are using a go.work file, recreate the go.work file
go-clone --go-reset # recreate every go.mod and go.sum file
go-clone --git-pull # run 'git pull' in every repo
go-clone --build # build every binary package
go-clone --install # install every binary package
`
}

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@ -1,84 +0,0 @@
package main
/*
This simply parses the command line arguments using the default golang
package called 'flag'. This can be used as a simple template to parse
command line arguments in other programs.
It puts everything in the 'config' package which I think is a good
wrapper around the 'flags' package and doesn't need a whole mess of
global variables
*/
import (
"flag"
"fmt"
"log"
"os"
"github.com/gookit/config"
)
var customUsage = func() {
fmt.Fprintf(flag.CommandLine.Output(), "Usage of %s:\n", os.Args[0])
flag.PrintDefaults()
fmt.Println("")
fmt.Println("EXAMPLES:")
fmt.Println("")
fmt.Println(os.Args[0] + " --width 1024 --height 768 --drift .1 --filename seascape.glsl")
fmt.Println(os.Args[0] + " --width 640 --height 480 --filename planetfall.glsl")
fmt.Println("")
}
func parseFlags() {
var version string
var race bool
var filename string
var width int
var height int
var glDrift float64
var guiJunk string
flag.StringVar(&version, "version", "v0.1", "Set compiled in version string")
flag.StringVar(&filename, "filename", "seascape.glsl", "path to GLSL file")
flag.StringVar(&guiJunk, "gui", "something", "redo all this code")
flag.IntVar(&width, "width", 1024, "Width of the OpenGL Window")
flag.IntVar(&height, "height", 768, "Height of the OpenGL Window")
flag.Float64Var(&glDrift, "drift", 0.01, "Speed of the gradual camera drift")
flag.BoolVar(&race, "race", race, "Use race detector")
// Set the output if something fails to stdout rather than stderr
flag.CommandLine.SetOutput(os.Stdout)
flag.Usage = customUsage
flag.Parse()
if flag.Parsed() {
log.Println("flag.Parse() worked")
} else {
log.Println("flag.Parse() failed")
}
// keys := []string{"filename", "width", "height", "drift"}
// keys := []string{"width", "height", "drift"}
// keys := []string{"height"}
// config.LoadFlags(keys)
config.Set("width", width)
config.Set("height", height)
config.Set("glDrift", glDrift)
config.Set("filename", filename)
}
func parseConfig() {
config.WithOptions(config.ParseEnv)
parseFlags()
// config.LoadOSEnv([]string{"MAIL"})
// config.LoadOSEnv([]string{"USER"})
// config.LoadOSEnv([]string{"BUILDDEBUG"})
}

71
main.go
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@ -9,21 +9,37 @@ package main
import ( import (
"embed" "embed"
"io/fs"
"os"
"go.wit.com/dev/alexflint/arg"
"go.wit.com/log" "go.wit.com/log"
"go.wit.com/toolkits/tree"
"github.com/faiface/pixel/pixelgl" "github.com/faiface/pixel/pixelgl"
"github.com/gookit/config" // "github.com/gookit/config"
) )
//go:embed *.glsl // sent via -ldflags
var glFile embed.FS var VERSION string
var BUILDTIME string
var PLUGIN string = "pixelgl"
//go:embed resources/*
var resources embed.FS
var pp *arg.Parser
// the glsl file
var glslFile string
func initPlugin() {
pp = arg.MustParse(&argv)
func init() {
log.Log(INFO, "Init()") log.Log(INFO, "Init()")
me.myTree = tree.New() me.myTree = initTree()
/*
me.myTree.PluginName = "nocui" me.myTree.PluginName = "nocui"
// me.myTree.ActionFromChannel = doAction // me.myTree.ActionFromChannel = doAction
@ -33,6 +49,7 @@ func init() {
me.myTree.SetLabel = SetLabel me.myTree.SetLabel = SetLabel
me.myTree.SetText = SetText me.myTree.SetText = SetText
me.myTree.AddText = AddText me.myTree.AddText = AddText
*/
me.exit = false me.exit = false
@ -42,12 +59,7 @@ func init() {
go simpleStdin() go simpleStdin()
config.Set("width", 640) glslFile = loadGLSL(argv.Filename)
config.Set("height", 480)
config.Set("glDrift", 0.01)
// config.Set("filename", "planetfall.glsl")
config.Set("filename", "seascape.glsl")
// I think this doesn't work as a goroutine because // I think this doesn't work as a goroutine because
// opengl closes. This plugin probably has to wait // opengl closes. This plugin probably has to wait
// until there is some sort of protobuf + socket interface // until there is some sort of protobuf + socket interface
@ -60,11 +72,38 @@ func init() {
// I assume it's for testing the code in a stand alone way // I assume it's for testing the code in a stand alone way
func main() { func main() {
config.Set("width", 1024)
config.Set("height", 768)
config.Set("glDrift", 0.01)
config.Set("filename", "planetfall.glsl")
// This parses the command line arguments // This parses the command line arguments
// parseConfig() // parseConfig()
pixelgl.Run(run) pixelgl.Run(run)
} }
// LoadFileToString loads the contents of a file into a string
func loadGLSL(filename string) string {
var err error
var data []byte
//
data, err = os.ReadFile(filename)
if err == nil {
log.Println("found embedded file:", filename)
return string(data)
}
data, err = fs.ReadFile(resources, filename)
if len(data) == 0 {
log.Info("still could not find file", filename, err)
} else {
return string(data)
}
filename = "resources/seascape.glsl"
log.Println("did not find embedded file:", filename, err)
data, err = fs.ReadFile(resources, filename)
if len(data) == 0 {
log.Info("still could not find file", filename)
os.Exit(-1)
}
// return a string of the data to feed into
// canvas.SetFragmentShader(file)
return string(data)
}

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@ -1,12 +1,8 @@
package main package main
import ( import (
"io/fs"
"io/ioutil"
"github.com/faiface/pixel" "github.com/faiface/pixel"
"github.com/faiface/pixel/pixelgl" "github.com/faiface/pixel/pixelgl"
"go.wit.com/log"
) )
// Pixel Shader utility functions // Pixel Shader utility functions
@ -44,20 +40,3 @@ func CenterWindow(win *pixelgl.Window) {
), ),
) )
} }
// LoadFileToString loads the contents of a file into a string
func LoadFileToString(filename string) (string, error) {
embedf, err1 := fs.ReadFile(glFile, filename)
if err1 == nil {
log.Println("found embedded file:", filename)
return string(embedf), nil
} else {
log.Println("did not find embedded file:", filename)
log.Println("err", err1)
}
b, err := ioutil.ReadFile("/tmp/" + filename)
if err != nil {
return "", err
}
return string(b), nil
}

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@ -5,20 +5,17 @@ import (
"github.com/go-gl/mathgl/mgl32" "github.com/go-gl/mathgl/mgl32"
"log"
"github.com/faiface/pixel" "github.com/faiface/pixel"
"github.com/faiface/pixel/pixelgl" "github.com/faiface/pixel/pixelgl"
"github.com/gookit/config"
"golang.org/x/image/colornames" "golang.org/x/image/colornames"
) )
func run() { func run() {
// Set up window configs // Set up window configs
log.Println("width = ", config.Int("width"), "height = ", config.String("height"))
cfg := pixelgl.WindowConfig{ // Default: 1024 x 768 cfg := pixelgl.WindowConfig{ // Default: 1024 x 768
Title: "Golang GLSL", Title: "Golang GLSL",
Bounds: pixel.R(0, 0, config.Float("width"), config.Float("height")), // Bounds: pixel.R(0, 0, float64(width), float64(height)),
Bounds: pixel.R(0, 0, argv.Width, argv.Height),
VSync: true, VSync: true,
} }
@ -35,17 +32,9 @@ func run() {
// I am putting all shader example initializing stuff here for // I am putting all shader example initializing stuff here for
// easier reference to those learning to use this functionality // easier reference to those learning to use this functionality
log.Println("Load GSGL file = ", config.String("filename"))
fragSource, err := LoadFileToString(config.String("filename"))
if err != nil {
panic(err)
}
var uMouse mgl32.Vec4 var uMouse mgl32.Vec4
var uTime float32 var uTime float32
log.Println("glDrift = ", config.String("glDrift")) var glDrift float32 = argv.GLdrift
var glDrift float32 = float32(config.Float("glDrift"))
canvas := win.Canvas() canvas := win.Canvas()
uResolution := mgl32.Vec2{float32(win.Bounds().W()), float32(win.Bounds().H())} uResolution := mgl32.Vec2{float32(win.Bounds().W()), float32(win.Bounds().H())}
@ -57,7 +46,7 @@ func run() {
"uDrift", &glDrift, "uDrift", &glDrift,
) )
canvas.SetFragmentShader(fragSource) canvas.SetFragmentShader(glslFile)
start := time.Now() start := time.Now()

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@ -1,6 +1,8 @@
package main package main
import ( import (
"sync"
"go.wit.com/toolkits/tree" "go.wit.com/toolkits/tree"
) )
@ -13,8 +15,8 @@ type guiWidget struct {
val map[string]int val map[string]int
} }
// It's probably a terrible idea to call this 'me' var initOnce sync.Once // run initPlugin() only once
var me toolkitConfig var me toolkitConfig // It's probably a terrible idea to call this 'me'
type toolkitConfig struct { type toolkitConfig struct {
treeRoot *tree.Node // the base of the binary tree. it should have id == 0 treeRoot *tree.Node // the base of the binary tree. it should have id == 0

24
tree.go
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@ -1,24 +0,0 @@
package main
/*
This is reference code for toolkit developers
*/
import (
"go.wit.com/widget"
)
// Other goroutines must use this to access the GUI
//
// You can not acess / process the GUI thread directly from
// other goroutines. This is due to the nature of how
// Linux, MacOS and Windows work (they all work differently. suprise. surprise.)
//
// this sets the channel to send user events back from the plugin
func Callback(guiCallback chan widget.Action) {
me.myTree.Callback(guiCallback)
}
func PluginChannel() chan widget.Action {
return me.myTree.PluginChannel()
}

72
treeInit.go Normal file
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@ -0,0 +1,72 @@
// Copyright 2017-2025 WIT.COM Inc. All rights reserved.
// Use of this source code is governed by the GPL 3.0
/*
DO NOT EDIT THIS FILE
this file is the same for every GUI toolkit plugin
when you are making a new GUI toolkit plugin for
a specific toolkit, you just need to define these
functions.
for example, in the "gocui" toolkit, the functions
below are what triggers the "gocui" GO package
to draw labels, buttons, windows, etc
If you are starting out trying to make a new GUI toolkit,
all you have to do is copy this file over. Then
work on making these functions. addWidget(), setText(), etc.
That's it!
*/
package main
/*
This is reference code for toolkit developers
This is how information is passed in GO back to the application
via the GO 'plugin' concept
TODO: switch this to protocol buffers
*/
import (
"go.wit.com/toolkits/tree"
"go.wit.com/widget"
)
// Other goroutines must use this to access the GUI
//
// You can not acess / process the GUI thread directly from
// other goroutines. This is due to the nature of how
// Linux, MacOS and Windows work (they all work differently. suprise. surprise.)
//
// this sets the channel to send user events back from the plugin
func Callback(guiCallback chan widget.Action) {
me.myTree.Callback(guiCallback)
}
func PluginChannel() chan widget.Action {
initOnce.Do(initPlugin)
return me.myTree.PluginChannel()
}
func initTree() *tree.TreeInfo {
t := tree.New()
t.PluginName = PLUGIN
t.Add = newAdd
t.SetTitle = setTitle
t.SetLabel = setLabel
t.SetText = setText
t.AddText = addText
t.Enable = enableWidget
t.Disable = disableWidget
t.SetChecked = setChecked
t.ToolkitClose = toolkitClose
t.ShowTable = showTable
return t
}