mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-11-10 04:57:26 +01:00
299 lines
8.8 KiB
Go
299 lines
8.8 KiB
Go
// Copyright 2022 The Ebitengine Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package cocoa
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import (
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"unsafe"
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"github.com/ebitengine/purego/objc"
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)
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var (
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class_NSInvocation = objc.GetClass("NSInvocation")
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class_NSMethodSignature = objc.GetClass("NSMethodSignature")
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class_NSAutoreleasePool = objc.GetClass("NSAutoreleasePool")
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class_NSString = objc.GetClass("NSString")
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class_NSProcessInfo = objc.GetClass("NSProcessInfo")
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class_NSColor = objc.GetClass("NSColor")
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class_NSWindow = objc.GetClass("NSWindow")
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class_NSView = objc.GetClass("NSView")
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class_NSScreen = objc.GetClass("NSScreen")
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)
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var (
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sel_alloc = objc.RegisterName("alloc")
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sel_new = objc.RegisterName("new")
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sel_release = objc.RegisterName("release")
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sel_invocationWithMethodSignature = objc.RegisterName("invocationWithMethodSignature:")
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sel_setSelector = objc.RegisterName("setSelector:")
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sel_setTarget = objc.RegisterName("setTarget:")
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sel_setArgumentAtIndex = objc.RegisterName("setArgument:atIndex:")
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sel_getReturnValue = objc.RegisterName("getReturnValue:")
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sel_invoke = objc.RegisterName("invoke")
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sel_invokeWithTarget = objc.RegisterName("invokeWithTarget:")
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sel_instanceMethodSignatureForSelector = objc.RegisterName("instanceMethodSignatureForSelector:")
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sel_signatureWithObjCTypes = objc.RegisterName("signatureWithObjCTypes:")
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sel_initWithUTF8String = objc.RegisterName("initWithUTF8String:")
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sel_UTF8String = objc.RegisterName("UTF8String")
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sel_length = objc.RegisterName("length")
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sel_processInfo = objc.RegisterName("processInfo")
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sel_frame = objc.RegisterName("frame")
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sel_contentView = objc.RegisterName("contentView")
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sel_setBackgroundColor = objc.RegisterName("setBackgroundColor:")
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sel_colorWithSRGBRedGreenBlueAlpha = objc.RegisterName("colorWithSRGBRed:green:blue:alpha:")
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sel_setFrameSize = objc.RegisterName("setFrameSize:")
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sel_object = objc.RegisterName("object")
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sel_styleMask = objc.RegisterName("styleMask")
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sel_setStyleMask = objc.RegisterName("setStyleMask:")
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sel_mainScreen = objc.RegisterName("mainScreen")
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sel_screen = objc.RegisterName("screen")
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sel_isVisible = objc.RegisterName("isVisible")
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sel_deviceDescription = objc.RegisterName("deviceDescription")
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sel_objectForKey = objc.RegisterName("objectForKey:")
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sel_unsignedIntValue = objc.RegisterName("unsignedIntValue")
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)
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const (
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NSWindowCollectionBehaviorManaged = 1 << 2
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NSWindowCollectionBehaviorFullScreenPrimary = 1 << 7
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NSWindowCollectionBehaviorFullScreenNone = 1 << 9
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)
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const (
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NSWindowStyleMaskResizable = 1 << 3
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NSWindowStyleMaskFullScreen = 1 << 14
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)
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type CGFloat = float64
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type CGSize struct {
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Width, Height CGFloat
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}
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type CGPoint struct {
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X, Y float64
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}
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type CGRect struct {
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Origin CGPoint
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Size CGSize
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}
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type NSUInteger = uint
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type NSInteger = int
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type NSPoint = CGPoint
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type NSRect = CGRect
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type NSSize = CGSize
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type NSError struct {
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objc.ID
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}
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type NSColor struct {
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objc.ID
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}
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func NSColor_colorWithSRGBRedGreenBlueAlpha(red, green, blue, alpha CGFloat) (color NSColor) {
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return NSColor{objc.ID(class_NSColor).Send(sel_colorWithSRGBRedGreenBlueAlpha, red, green, blue, alpha)}
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}
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type NSOperatingSystemVersion struct {
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Major, Minor, Patch NSInteger
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}
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type NSProcessInfo struct {
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objc.ID
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}
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func NSProcessInfo_processInfo() NSProcessInfo {
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return NSProcessInfo{objc.ID(class_NSProcessInfo).Send(sel_processInfo)}
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}
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type NSWindow struct {
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objc.ID
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}
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func (w NSWindow) StyleMask() NSUInteger {
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return NSUInteger(w.Send(sel_styleMask))
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}
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func (w NSWindow) SetStyleMask(styleMask NSUInteger) {
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w.Send(sel_setStyleMask, styleMask)
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}
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func (w NSWindow) SetBackgroundColor(color NSColor) {
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w.Send(sel_setBackgroundColor, color.ID)
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}
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func (w NSWindow) IsVisible() bool {
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return w.Send(sel_isVisible) != 0
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}
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func (w NSWindow) Screen() NSScreen {
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return NSScreen{w.Send(sel_screen)}
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}
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func (w NSWindow) Frame() NSRect {
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sig := NSMethodSignature_instanceMethodSignatureForSelector(objc.ID(class_NSWindow), sel_frame)
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inv := NSInvocation_invocationWithMethodSignature(sig)
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inv.SetTarget(w.ID)
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inv.SetSelector(sel_frame)
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inv.Invoke()
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var rect NSRect
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inv.GetReturnValue(unsafe.Pointer(&rect))
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return rect
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}
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func (w NSWindow) ContentView() NSView {
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return NSView{w.Send(sel_contentView)}
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}
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type NSView struct {
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objc.ID
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}
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func (v NSView) SetFrameSize(size CGSize) {
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sig := NSMethodSignature_instanceMethodSignatureForSelector(objc.ID(class_NSView), sel_setFrameSize)
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inv := NSInvocation_invocationWithMethodSignature(sig)
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inv.SetSelector(sel_setFrameSize)
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inv.SetArgumentAtIndex(unsafe.Pointer(&size), 2)
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inv.InvokeWithTarget(v.ID)
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}
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func (v NSView) Frame() NSRect {
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sig := NSMethodSignature_instanceMethodSignatureForSelector(objc.ID(class_NSView), sel_frame)
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inv := NSInvocation_invocationWithMethodSignature(sig)
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inv.SetSelector(sel_frame)
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inv.InvokeWithTarget(v.ID)
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var rect NSRect
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inv.GetReturnValue(unsafe.Pointer(&rect))
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return rect
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}
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// NSInvocation is being used to call functions that can't be called directly with purego.SyscallN.
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// See the downsides of that function for what it cannot do.
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type NSInvocation struct {
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objc.ID
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}
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func NSInvocation_invocationWithMethodSignature(sig NSMethodSignature) NSInvocation {
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return NSInvocation{objc.ID(class_NSInvocation).Send(sel_invocationWithMethodSignature, sig.ID)}
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}
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func (i NSInvocation) SetSelector(cmd objc.SEL) {
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i.Send(sel_setSelector, cmd)
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}
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func (i NSInvocation) SetTarget(target objc.ID) {
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i.Send(sel_setTarget, target)
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}
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func (i NSInvocation) SetArgumentAtIndex(arg unsafe.Pointer, idx int) {
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i.Send(sel_setArgumentAtIndex, arg, idx)
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}
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func (i NSInvocation) GetReturnValue(ret unsafe.Pointer) {
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i.Send(sel_getReturnValue, ret)
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}
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func (i NSInvocation) Invoke() {
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i.Send(sel_invoke)
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}
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func (i NSInvocation) InvokeWithTarget(target objc.ID) {
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i.Send(sel_invokeWithTarget, target)
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}
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type NSMethodSignature struct {
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objc.ID
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}
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func NSMethodSignature_instanceMethodSignatureForSelector(self objc.ID, cmd objc.SEL) NSMethodSignature {
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return NSMethodSignature{self.Send(sel_instanceMethodSignatureForSelector, cmd)}
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}
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// NSMethodSignature_signatureWithObjCTypes takes a string that represents the type signature of a method.
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// It follows the encoding specified in the Apple Docs.
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//
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// [Apple Docs]: https://developer.apple.com/library/archive/documentation/Cocoa/Conceptual/ObjCRuntimeGuide/Articles/ocrtTypeEncodings.html#//apple_ref/doc/uid/TP40008048-CH100
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func NSMethodSignature_signatureWithObjCTypes(types string) NSMethodSignature {
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return NSMethodSignature{objc.ID(class_NSMethodSignature).Send(sel_signatureWithObjCTypes, types)}
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}
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type NSAutoreleasePool struct {
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objc.ID
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}
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func NSAutoreleasePool_new() NSAutoreleasePool {
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return NSAutoreleasePool{objc.ID(class_NSAutoreleasePool).Send(sel_new)}
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}
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func (p NSAutoreleasePool) Release() {
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p.Send(sel_release)
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}
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type NSString struct {
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objc.ID
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}
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func NSString_alloc() NSString {
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return NSString{objc.ID(class_NSString).Send(sel_alloc)}
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}
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func (s NSString) InitWithUTF8String(utf8 string) NSString {
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return NSString{s.Send(sel_initWithUTF8String, utf8)}
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}
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func (s NSString) String() string {
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return string(unsafe.Slice((*byte)(unsafe.Pointer(s.Send(sel_UTF8String))), s.Send(sel_length)))
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}
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type NSNotification struct {
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objc.ID
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}
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func (n NSNotification) Object() objc.ID {
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return n.Send(sel_object)
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}
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type NSScreen struct {
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objc.ID
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}
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func NSScreen_mainScreen() NSScreen {
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return NSScreen{objc.ID(class_NSScreen).Send(sel_mainScreen)}
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}
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func (s NSScreen) DeviceDescription() NSDictionary {
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return NSDictionary{s.Send(sel_deviceDescription)}
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}
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type NSDictionary struct {
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objc.ID
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}
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func (d NSDictionary) ObjectForKey(object objc.ID) objc.ID {
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return d.Send(sel_objectForKey, object)
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}
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type NSNumber struct {
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objc.ID
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}
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func (n NSNumber) UnsignedIntValue() uint {
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return uint(n.Send(sel_unsignedIntValue))
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}
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