Native Windows support

go.mod

@@ -7,4 +7,6 @@ require (
 	github.com/roblillack/gocoa v0.0.0-20240514094225-79029b8f9f7f
 )
 
+require github.com/rodrigocfd/windigo v0.0.0-20230809154420-8faa606d9f5f // indirect
+
 // replace github.com/roblillack/gocoa => ./libs/gocoa

go.sum

@@ -2,3 +2,5 @@ github.com/pwiecz/go-fltk v0.0.0-20240511142305-990b442ae1ed h1:7/j/4x3KAwuJB9sW
 github.com/pwiecz/go-fltk v0.0.0-20240511142305-990b442ae1ed/go.mod h1:uMK5daOr9p+ba2BPs5QadbfaqqrHR5TGj13yWGsAsmw=
 github.com/roblillack/gocoa v0.0.0-20240514094225-79029b8f9f7f h1:Rgio8nqLhyfyswHoxppubbgu13L7b03CMXecKjM70tA=
 github.com/roblillack/gocoa v0.0.0-20240514094225-79029b8f9f7f/go.mod h1:zySUFzLK/KSb3KDT903dTRJ2WPmMBbF3a2u8/39UzMg=
+github.com/rodrigocfd/windigo v0.0.0-20230809154420-8faa606d9f5f h1:jIXpgDE/hOglaKyTP5ZRqe6rhcJx2dtCan2ncR66qhU=
+github.com/rodrigocfd/windigo v0.0.0-20230809154420-8faa606d9f5f/go.mod h1:Vw0QLpSedVsbAFWYIVE/Zb1pa6XPIgwIMTUQQoUG8Wo=

ui/button_fltk.go

@@ -1,4 +1,4 @@
-//go:build !cocoa && (fltk || !darwin)
+//go:build !cocoa && (fltk || (!darwin && !windows))
 
 package ui
 

ui/button_windows.go

@@ -0,0 +1,69 @@
+//go:build !fltk && windows
+
+package ui
+
+import (
+	"github.com/roblillack/spot"
+	wui "github.com/rodrigocfd/windigo/ui"
+	"github.com/rodrigocfd/windigo/win"
+)
+
+type nativeTypeButton = wui.Button
+
+func (b *Button) callback() {
+	if b.OnClick != nil {
+		b.OnClick()
+	}
+}
+
+func (b *Button) Update(nextControl spot.Control) bool {
+	next, ok := nextControl.(*Button)
+	if !ok {
+		return false
+	}
+
+	if b.ref == nil {
+		return false
+	}
+
+	if next.Title != b.Title {
+		b.Title = next.Title
+		b.ref.SetText(b.Title)
+	}
+
+	b.OnClick = next.OnClick
+	return true
+}
+
+func (b *Button) Mount(parent spot.Control) any {
+	if b.ref != nil {
+		return b.ref
+	}
+
+	if parent == nil {
+		return nil
+	}
+
+	window, ok := parent.(*Window)
+	if !ok || window == nil || window.ref == nil {
+		return nil
+	}
+
+	b.ref = wui.NewButton(window.ref, wui.ButtonOpts().
+		Position(win.POINT{X: int32(b.X), Y: int32(b.Y)}).
+		Size(win.SIZE{Cx: int32(b.Width), Cy: int32(b.Height)}).
+		Text(b.Title))
+	b.ref.On().BnClicked(b.callback)
+
+	return b.ref
+}
+
+func (b *Button) Unmount() {
+	// if b.ref == nil {
+	// 	return
+	// }
+
+	// b.ref.Destroy()
+	// b.ref = nil
+	panic("not implemented")
+}

ui/checkbox.go

@@ -1,3 +1,5 @@
+//go:build ignore
+
 package ui
 
 import "github.com/roblillack/spot"

ui/checkbox_fltk.go

@@ -1,4 +1,4 @@
-//go:build !cocoa && (fltk || !darwin)
+//go:build !cocoa && (fltk || (!darwin && !windows))
 
 package ui
 

ui/dial.go

@@ -1,3 +1,5 @@
+//go:build ignore
+
 package ui
 
 import "github.com/roblillack/spot"

ui/dial_fltk.go

@@ -1,4 +1,4 @@
-//go:build !cocoa && (fltk || !darwin)
+//go:build !cocoa && (fltk || (!darwin && !windows))
 
 package ui
 

ui/dropdown.go

@@ -1,3 +1,5 @@
+//go:build ignore
+
 package ui
 
 import (

ui/dropdown_fltk.go

@@ -1,4 +1,4 @@
-//go:build !cocoa && (fltk || !darwin)
+//go:build !cocoa && (fltk || (!darwin && !windows))
 
 package ui
 

ui/init_fltk.go

@@ -1,4 +1,4 @@
-//go:build !cocoa && (fltk || !darwin)
+//go:build !cocoa && (fltk || (!darwin && !windows))
 
 package ui
 

ui/init_windows.go

@@ -0,0 +1,44 @@
+//go:build !fltk && windows
+
+package ui
+
+import (
+	"runtime"
+
+	"github.com/roblillack/spot"
+)
+
+// BackendName is the name of the backend. It can be used to check which backend
+// is currently in use by the application during runtime.
+const BackendName = "windows"
+
+var activeWindow *Window
+
+func runOnMainLoop(fn func()) {
+	if activeWindow == nil {
+		fn()
+	}
+
+	activeWindow.ref.RunUiThread(fn)
+}
+
+// Init initializes the UI library for the FLTK backend. It locks the OS thread
+// and sets up Spot to be able to intercept the main loop.
+func Init() {
+	runtime.LockOSThread()
+	spot.RunOnMainLoop = runOnMainLoop
+}
+
+// Run starts the main loop for the FLTK backend.
+func Run() {
+	if activeWindow == nil {
+		return
+	}
+
+	ref := activeWindow.ref
+	if ref == nil {
+		return
+	}
+
+	ref.RunAsMain()
+}

ui/label.go

@@ -1,3 +1,5 @@
+//go:build ignore
+
 package ui
 
 import (

ui/label_fltk.go

@@ -1,4 +1,4 @@
-//go:build !cocoa && (fltk || !darwin)
+//go:build !cocoa && (fltk || (!darwin && !windows))
 
 package ui
 

ui/progressbar.go

@@ -1,3 +1,5 @@
+//go:build ignore
+
 package ui
 
 import "github.com/roblillack/spot"

ui/progressbar_fltk.go

@@ -1,4 +1,4 @@
-//go:build !cocoa && (fltk || !darwin)
+//go:build !cocoa && (fltk || (!darwin && !windows))
 
 package ui
 

ui/slider.go

@@ -1,3 +1,5 @@
+//go:build ignore
+
 package ui
 
 import "github.com/roblillack/spot"

ui/slider_fltk.go

@@ -1,4 +1,4 @@
-//go:build !cocoa && (fltk || !darwin)
+//go:build !cocoa && (fltk || (!darwin && !windows))
 
 package ui
 

ui/spinner.go

@@ -1,3 +1,5 @@
+//go:build ignore
+
 package ui
 
 import "github.com/roblillack/spot"

ui/spinner_fltk.go

@@ -1,4 +1,4 @@
-//go:build !cocoa && (fltk || !darwin)
+//go:build !cocoa && (fltk || (!darwin && !windows))
 
 package ui
 

ui/textfield.go

@@ -1,3 +1,5 @@
+//go:build ignore
+
 package ui
 
 import (

ui/textfield_fltk.go

@@ -1,4 +1,4 @@
-//go:build !cocoa && (fltk || !darwin)
+//go:build !cocoa && (fltk || (!darwin && !windows))
 
 package ui
 

ui/textview.go

@@ -1,3 +1,5 @@
+//go:build ignore
+
 package ui
 
 import "github.com/roblillack/spot"

ui/textview_fltk.go

@@ -1,4 +1,4 @@
-//go:build !cocoa && (fltk || !darwin)
+//go:build !cocoa && (fltk || (!darwin && !windows))
 
 package ui
 

ui/window_fltk.go

@@ -1,4 +1,4 @@
-//go:build !cocoa && (fltk || !darwin)
+//go:build !cocoa && (fltk || (!darwin && !windows))
 
 package ui
 

ui/window_windows.go

@@ -0,0 +1,37 @@
+//go:build !fltk && windows
+
+package ui
+
+import (
+	"github.com/roblillack/spot"
+	wui "github.com/rodrigocfd/windigo/ui"
+	"github.com/rodrigocfd/windigo/win"
+)
+
+type nativeTypeWindow = wui.WindowMain
+
+func (w *Window) Update(nextComponent spot.Control) bool {
+	next, ok := nextComponent.(*Window)
+	if !ok {
+		return false
+	}
+
+	if next.Title != w.Title {
+		w.Title = next.Title
+		// if w.ref != nil {
+		// 	w.ref.SetLabel(w.Title)
+		// }
+	}
+
+	return true
+}
+
+func (w *Window) Mount(parent spot.Control) any {
+	w.ref = wui.NewWindowMain(
+		wui.WindowMainOpts().
+			Title(w.Title).
+			ClientArea(win.SIZE{Cx: int32(w.Width), Cy: int32(w.Height)}))
+
+	activeWindow = w
+	return w.ref
+}