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// Copyright 2018 The Ebiten Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// +build darwin
// Package ns provides access to Apple's AppKit API (https://developer.apple.com/documentation/appkit).
//
// This package is in very early stages of development.
// It's a minimal implementation with scope limited to
// supporting the movingtriangle example.
package ns
import (
"unsafe"
"github.com/hajimehoshi/ebiten/internal/graphicsdriver/metal/ca"
)
// #cgo !ios CFLAGS: -mmacosx-version-min=10.11
//
// #include "ns.h"
import "C"
// Window is a window that an app displays on the screen.
//
// Reference: https://developer.apple.com/documentation/appkit/nswindow.
type Window struct {
window uintptr
}
// NewWindow returns a Window that wraps an existing NSWindow * pointer.
func NewWindow(window uintptr) Window {
return Window{window}
}
// ContentView returns the window's content view, the highest accessible View
// in the window's view hierarchy.
//
// Reference: https://developer.apple.com/documentation/appkit/nswindow/1419160-contentview.
func (w Window) ContentView() View {
return View{C.Window_ContentView(C.uintptr_t(w.window))}
}
// View is the infrastructure for drawing, printing, and handling events in an app.
//
// Reference: https://developer.apple.com/documentation/appkit/nsview.
type View struct {
view unsafe.Pointer
}
// SetLayer sets v.layer to l.
//
// Reference: https://developer.apple.com/documentation/appkit/nsview/1483298-layer.
func (v View) SetLayer(l ca.Layer) {
C.View_SetLayer(v.view, l.Layer())
}
// SetWantsLayer sets v.wantsLayer to wantsLayer.
//
// Reference: https://developer.apple.com/documentation/appkit/nsview/1483695-wantslayer.
func (v View) SetWantsLayer(wantsLayer bool) {
if wantsLayer {
C.View_SetWantsLayer(v.view, 1)
} else {
C.View_SetWantsLayer(v.view, 0)
}
}
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