Basic sidebar

main.go

@@ -1,6 +1,9 @@
 package main
 
 import (
+	"io/fs"
+	"os"
+
 	"github.com/bloeys/nmage/engine"
 	"github.com/bloeys/nmage/input"
 	"github.com/bloeys/nmage/logging"
@@ -9,13 +12,20 @@ import (
 	"github.com/veandco/go-sdl2/sdl"
 )
 
+//TODO: Cache os.ReadDir so we don't have to use lots of disk
+
 type Gopad struct {
 	Win       *engine.Window
+	mainFont  imgui.Font
 	ImGUIInfo nmageimgui.ImguiInfo
 	Quitting  bool
 
-	mainFont imgui.Font
-	buffer   []rune
+	sidebarSize float32
+
+	CurrDir         string
+	CurrDirContents []fs.DirEntry
+
+	buffer []rune
 }
 
 var ()
@@ -32,10 +42,16 @@ func main() {
 	}
 	defer window.Destroy()
 
+	dir, err := os.Getwd()
+	if err != nil {
+		panic(err)
+	}
+
 	g := Gopad{
 		Win:       window,
 		ImGUIInfo: nmageimgui.NewImGUI(),
 		buffer:    make([]rune, 0, 10000),
+		CurrDir:   dir,
 	}
 
 	engine.Run(&g)
@@ -45,14 +61,20 @@ func (g *Gopad) Init() {
 
 	g.Win.EventCallbacks = append(g.Win.EventCallbacks, g.handleWindowEvents)
 
+	//Setup font
 	var fontSize float32 = 16
-
 	fConfig := imgui.NewFontConfig()
 	defer fConfig.Delete()
 
 	fConfig.SetOversampleH(2)
 	fConfig.SetOversampleV(2)
 	g.mainFont = g.ImGUIInfo.AddFontTTF("./res/fonts/courier-prime.regular.ttf", fontSize, &fConfig, nil)
+
+	//Sidebar
+	g.CurrDirContents = getDirContents(g.CurrDir)
+
+	w, _ := g.Win.SDLWin.GetSize()
+	g.sidebarSize = float32(w) * 0.10
 }
 
 func (g *Gopad) handleWindowEvents(event sdl.Event) {
@@ -62,6 +84,12 @@ func (g *Gopad) handleWindowEvents(event sdl.Event) {
 	case *sdl.TextEditingEvent:
 	case *sdl.TextInputEvent:
 		g.buffer = append(g.buffer, []rune(e.GetText())...)
+
+	case *sdl.WindowEvent:
+		if e.Event == sdl.WINDOWEVENT_SIZE_CHANGED {
+			w, _ := g.Win.SDLWin.GetSize()
+			g.sidebarSize = float32(w) * 0.10
+		}
 	}
 }
 
@@ -74,13 +102,11 @@ func (g *Gopad) Update() {
 		g.Quitting = true
 	}
 
-	if x, y := input.GetMousePos(); x > 0 && y > 0 && input.MouseClicked(sdl.BUTTON_LEFT) {
-		println("Start")
+	if x, _ := input.GetMousePos(); x > int32(g.sidebarSize) && input.MouseClicked(sdl.BUTTON_LEFT) {
 		sdl.StartTextInput()
 	}
 
 	if input.KeyClicked(sdl.K_ESCAPE) {
-		println("End")
 		sdl.StopTextInput()
 	}
 
@@ -97,7 +123,6 @@ func (g *Gopad) Render() {
 
 	open := true
 	w, h := g.Win.SDLWin.GetSize()
-	sidebarSize := float32(w) * 0.10
 
 	//Global imgui settings
 	imgui.PushStyleColor(imgui.StyleColorText, imgui.Vec4{X: 1, Y: 1, Z: 1, W: 1})
@@ -105,13 +130,16 @@ func (g *Gopad) Render() {
 
 	//Sidebar
 	imgui.SetNextWindowPos(imgui.Vec2{X: 0, Y: 0})
-	imgui.SetNextWindowSize(imgui.Vec2{X: sidebarSize, Y: float32(h)})
+	imgui.SetNextWindowSize(imgui.Vec2{X: g.sidebarSize, Y: float32(h)})
 	imgui.BeginV("sidebar", &open, imgui.WindowFlagsNoCollapse|imgui.WindowFlagsNoDecoration|imgui.WindowFlagsNoMove)
+
+	g.refreshSidebar()
+
 	imgui.End()
 
 	//Text area
-	imgui.SetNextWindowPos(imgui.Vec2{X: sidebarSize, Y: 0})
-	imgui.SetNextWindowSize(imgui.Vec2{X: float32(w) - sidebarSize, Y: float32(h)})
+	imgui.SetNextWindowPos(imgui.Vec2{X: g.sidebarSize, Y: 0})
+	imgui.SetNextWindowSize(imgui.Vec2{X: float32(w) - g.sidebarSize, Y: float32(h)})
 	imgui.BeginV("editor", &open, imgui.WindowFlagsNoCollapse|imgui.WindowFlagsNoDecoration|imgui.WindowFlagsNoMove)
 	imgui.Text(string(g.buffer) + "|")
 	imgui.End()
@@ -120,6 +148,38 @@ func (g *Gopad) Render() {
 	imgui.PopStyleColor()
 }
 
+func (g *Gopad) refreshSidebar() {
+
+	for i := 0; i < len(g.CurrDirContents); i++ {
+
+		c := g.CurrDirContents[i]
+		if c.IsDir() {
+			drawDir(c, g.CurrDir+"/"+c.Name()+"/")
+		} else {
+			imgui.Button(c.Name())
+		}
+	}
+}
+
+func drawDir(dir fs.DirEntry, path string) {
+
+	isEnabled := imgui.TreeNode(dir.Name())
+	if !isEnabled {
+		return
+	}
+
+	contents := getDirContents(path)
+	for _, c := range contents {
+		if c.IsDir() {
+			drawDir(c, path+c.Name()+"/")
+		} else {
+			imgui.Button(c.Name())
+		}
+	}
+
+	imgui.TreePop()
+}
+
 func (g *Gopad) FrameEnd() {
 
 }
@@ -139,3 +199,13 @@ func (g *Gopad) GetImGUI() nmageimgui.ImguiInfo {
 func (g *Gopad) Deinit() {
 	g.Win.Destroy()
 }
+
+func getDirContents(dir string) []fs.DirEntry {
+
+	contents, err := os.ReadDir(dir)
+	if err != nil {
+		panic(err)
+	}
+
+	return contents
+}