Ebiten backend: add missing functions

backend/ebiten-backend/cimgui_backend_impl.go

@@ -61,9 +61,9 @@ func (b *EbitenBackend) Run(loop func()) {
 	ebiten.RunGame(b)
 }
 
-// TODO: Not implemented
+// Because Ebiten refreshes continuously anyway, Refresh has nothing to do here.
 func (b *EbitenBackend) Refresh() {
-	panic("Refresh is not implemented for Ebiten backend yet.")
+	// noop
 }
 
 func (b *EbitenBackend) SetWindowPos(x, y int) {
@@ -95,9 +95,9 @@ func (b *EbitenBackend) DisplaySize() (width, height int32) {
 	return 0, 0
 }
 
-// TODO: Not implemented
-func (b *EbitenBackend) SetShouldClose(bool) {
-	panic("SetShouldClose is not implemented for Ebiten backend yet.")
+// SetShouldClose asks to close the window and stop the game loop. WIll call CloseCallback if set.
+func (b *EbitenBackend) SetShouldClose(sc bool) {
+	b.shouldClose = sc
 }
 
 func (b *EbitenBackend) ContentScale() (xScale, yScale float32) {

backend/ebiten-backend/ebiten_api.go

@@ -74,6 +74,14 @@ func (e *EbitenBackend) Update() error {
 		game.Update()
 	})
 
+	if e.shouldClose {
+		if e.closeCb != nil {
+			e.closeCb()
+		}
+
+		return ebiten.Termination
+	}
+
 	return nil
 }
 

backend/ebiten-backend/ebiten_backend.go

@@ -29,7 +29,8 @@ type EbitenBackend struct {
 	afterRender,
 	beforeDestroy,
 	loop func()
-	closeCb backend.WindowCloseCallback
+	closeCb     backend.WindowCloseCallback
+	shouldClose bool
 
 	// ebiten stuff
 	filter                      ebiten.Filter

examples/common/common.go

@@ -14,7 +14,6 @@ import (
 	_ "github.com/AllenDang/cimgui-go/imguizmo"
 	_ "github.com/AllenDang/cimgui-go/immarkdown"
 	_ "github.com/AllenDang/cimgui-go/imnodes"
-	_ "github.com/AllenDang/cimgui-go/impl/glfw"
 	_ "github.com/AllenDang/cimgui-go/impl/opengl3"
 	"github.com/AllenDang/cimgui-go/implot"
 	"github.com/AllenDang/cimgui-go/utils"

examples/glfw/main.go

@@ -8,8 +8,7 @@ import (
 	"github.com/AllenDang/cimgui-go/backend/glfwbackend"
 	"github.com/AllenDang/cimgui-go/examples/common"
 	"github.com/AllenDang/cimgui-go/imgui"
-	_ "github.com/AllenDang/cimgui-go/immarkdown"
-	_ "github.com/AllenDang/cimgui-go/imnodes"
+	_ "github.com/AllenDang/cimgui-go/impl/glfw"
 )
 
 var currentBackend backend.Backend[glfwbackend.GLFWWindowFlags]