exp/textinput/textinput_darwin.go

@@ -16,13 +16,36 @@
 
 package textinput
 
+// TODO: Remove Cgo after ebitengine/purego#143 is resolved.
+
 // #cgo CFLAGS: -x objective-c
 // #cgo LDFLAGS: -framework Cocoa
+//
+// #import <Cocoa/Cocoa.h>
+//
+// @interface TextInputClient : NSView<NSTextInputClient>
+// @end
+//
+// static TextInputClient* getTextInputClient() {
+//   static TextInputClient* textInputClient;
+//   if (!textInputClient) {
+//     textInputClient = [[TextInputClient alloc] init];
+//   }
+//   return textInputClient;
+// }
+//
+// static void start(int x, int y) {
+//   TextInputClient* textInputClient = getTextInputClient();
+//   NSWindow* window = [[NSApplication sharedApplication] mainWindow];
+//   [[window contentView] addSubview: textInputClient];
+//   [window makeFirstResponder: textInputClient];
+//
+//   y = [[window contentView] frame].size.height - y - 4;
+//   [textInputClient setFrame:NSMakeRect(x, y, 1, 1)];
+// }
 import "C"
 
 import (
-	"github.com/ebitengine/purego/objc"
-
 	"github.com/hajimehoshi/ebiten/v2/internal/ui"
 )
 
@@ -37,7 +60,7 @@ func (t *textInput) Start(x, y int) (chan State, func()) {
 	var session *session
 	ui.Get().RunOnMainThread(func() {
 		t.end()
-		start(x, y)
+		C.start(C.int(x), C.int(y))
 		session = newSession()
 		t.session = session
 	})
@@ -76,57 +99,3 @@ func (t *textInput) end() {
 		t.session = nil
 	}
 }
-
-var (
-	selAddSubview         = objc.RegisterName("addSubview:")
-	selAlloc              = objc.RegisterName("alloc")
-	selContentView        = objc.RegisterName("contentView")
-	selFrame              = objc.RegisterName("frame")
-	selInit               = objc.RegisterName("init")
-	selMainWindow         = objc.RegisterName("mainWindow")
-	selMakeFirstResponder = objc.RegisterName("makeFirstResponder:")
-	selSetFrame           = objc.RegisterName("setFrame:")
-	selSharedApplication  = objc.RegisterName("sharedApplication")
-
-	idNSApplication = objc.ID(objc.GetClass("NSApplication"))
-)
-
-var theTextInputClient objc.ID
-
-func getTextInputClient() objc.ID {
-	if theTextInputClient == 0 {
-		class := objc.ID(objc.GetClass("TextInputClient"))
-		theTextInputClient = class.Send(selAlloc).Send(selInit)
-	}
-	return theTextInputClient
-}
-
-type nsPoint struct {
-	x float64
-	y float64
-}
-
-type nsSize struct {
-	width  float64
-	height float64
-}
-
-type nsRect struct {
-	origin nsPoint
-	size   nsSize
-}
-
-func start(x, y int) {
-	t := getTextInputClient()
-	window := idNSApplication.Send(selSharedApplication).Send(selMainWindow)
-	contentView := window.Send(selContentView)
-	contentView.Send(selAddSubview, t)
-	window.Send(selMakeFirstResponder, t)
-
-	r := objc.Send[nsRect](contentView, selFrame)
-	y = int(r.size.height) - y - 4
-	t.Send(selSetFrame, nsRect{
-		origin: nsPoint{float64(x), float64(y)},
-		size:   nsSize{1, 1},
-	})
-}

exp/textinput/textinput_darwin.m

@@ -14,8 +14,6 @@
 
 //go:build !ios
 
-// TODO: Remove Cgo with PureGo (#1162).
-
 #import <Cocoa/Cocoa.h>
 
 void ebitengine_textinput_update(const char* text, int start, int end, BOOL committed);

go.mod

@@ -5,8 +5,8 @@ go 1.18
 require (
 	github.com/ebitengine/gomobile v0.0.0-20240329170434-1771503ff0a8
 	github.com/ebitengine/hideconsole v1.0.0
-	github.com/ebitengine/oto/v3 v3.3.0-alpha.1
+	github.com/ebitengine/oto/v3 v3.3.0-alpha.0.20240401142028-457cd3ebf3f3
-	github.com/ebitengine/purego v0.8.0-alpha.0.20240404024320-d0aedd0f4393
+	github.com/ebitengine/purego v0.8.0-alpha
 	github.com/go-text/typesetting v0.1.1-0.20240402181327-ced1d6822703
 	github.com/hajimehoshi/bitmapfont/v3 v3.0.0
 	github.com/hajimehoshi/go-mp3 v0.3.4

go.sum

@@ -2,10 +2,10 @@ github.com/ebitengine/gomobile v0.0.0-20240329170434-1771503ff0a8 h1:5e8X7WEdOWr
 github.com/ebitengine/gomobile v0.0.0-20240329170434-1771503ff0a8/go.mod h1:tWboRRNagZwwwis4QIgEFG1ZNFwBJ3LAhSLAXAAxobQ=
 github.com/ebitengine/hideconsole v1.0.0 h1:5J4U0kXF+pv/DhiXt5/lTz0eO5ogJ1iXb8Yj1yReDqE=
 github.com/ebitengine/hideconsole v1.0.0/go.mod h1:hTTBTvVYWKBuxPr7peweneWdkUwEuHuB3C1R/ielR1A=
-github.com/ebitengine/oto/v3 v3.3.0-alpha.1 h1:J2nBmQwPLKc4+yLObytq1jKNydI96l6EjZfgefiqGbk=
+github.com/ebitengine/oto/v3 v3.3.0-alpha.0.20240401142028-457cd3ebf3f3 h1:4vw8U48AKjRSXjwWZLi7g/xA6wNM7PjGNh7TBNES6sI=
-github.com/ebitengine/oto/v3 v3.3.0-alpha.1/go.mod h1:T2/VV0UWG97GEEf4kORMU2nCneYT/YmwSTxPutSVaUg=
+github.com/ebitengine/oto/v3 v3.3.0-alpha.0.20240401142028-457cd3ebf3f3/go.mod h1:T2/VV0UWG97GEEf4kORMU2nCneYT/YmwSTxPutSVaUg=
-github.com/ebitengine/purego v0.8.0-alpha.0.20240404024320-d0aedd0f4393 h1:8mFaXjlt/DLC5MlrnsR71EpK196kVYvPTC2soh06rGU=
+github.com/ebitengine/purego v0.8.0-alpha h1:xWsUo8xQZLH8f9TzXXSvs/qjc2s6rhNGYxEo5Qd10so=
-github.com/ebitengine/purego v0.8.0-alpha.0.20240404024320-d0aedd0f4393/go.mod h1:y8L+ZRLphbdPW2xs41fur/KaW57yTzrFsqsclHyHrTM=
+github.com/ebitengine/purego v0.8.0-alpha/go.mod h1:ah1In8AOtksoNK6yk5z1HTJeUkC1Ez4Wk2idgGslMwQ=
 github.com/go-text/typesetting v0.1.1-0.20240402181327-ced1d6822703 h1:AqtMl9yw7r319Ah4W2afQm3Ql+PEsQKHds18tGvKhog=
 github.com/go-text/typesetting v0.1.1-0.20240402181327-ced1d6822703/go.mod h1:2+owI/sxa73XA581LAzVuEBZ3WEEV2pXeDswCH/3i1I=
 github.com/go-text/typesetting-utils v0.0.0-20240317173224-1986cbe96c66 h1:GUrm65PQPlhFSKjLPGOZNPNxLCybjzjYBzjfoBGaDUY=