Added ability to prevent closing the app when the view is displayed

baseview.go

@@ -148,3 +148,7 @@ func (v *BaseView) RegisterResizeCallback(cb ResizeCallbackFn) {
 func (v *BaseView) RegisterMoveCallback(cb MoveCallbackFn) {
 	v.ScreenHandler.RegisterMoveCallback(cb)
 }
+
+func (v BaseView) PreventClose() bool {
+	return false
+}

dialog.go

@@ -5,11 +5,11 @@ import (
 	"fmt"
 	"io/fs"
 
-	"gitea.hevanto-it.com/hevanto/ui/screen"
 	"fyne.io/fyne/v2"
 	"fyne.io/fyne/v2/data/binding"
 	"fyne.io/fyne/v2/dialog"
 	"fyne.io/fyne/v2/widget"
+	"gitea.hevanto-it.com/hevanto/ui/screen"
 	"github.com/google/uuid"
 	"github.com/nicksnyder/go-i18n/v2/i18n"
 )
@@ -256,6 +256,10 @@ func (d *BaseDialog) GetCanvasObject() fyne.CanvasObject {
 	return d.CanvasObj
 }
 
+func (d BaseDialog) PreventClose() bool {
+	return false
+}
+
 type FormDialogItemsFn func() []*widget.FormItem
 
 type FormDialog struct {

view.go

@@ -54,4 +54,6 @@ type View interface {
 	OnHide()
 
 	GetCanvasObject() fyne.CanvasObject
+
+	PreventClose() bool
 }