mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-11-10 13:07:26 +01:00
437 lines
14 KiB
Go
437 lines
14 KiB
Go
// Copyright 2016 Hajime Hoshi
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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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//go:build !ios
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package ui
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import (
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"errors"
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"fmt"
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"reflect"
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"unsafe"
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"github.com/ebitengine/purego/objc"
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"github.com/hajimehoshi/ebiten/v2/internal/cocoa"
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"github.com/hajimehoshi/ebiten/v2/internal/glfw"
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"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver"
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"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver/metal"
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"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver/opengl"
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)
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var class_EbitengineWindowDelegate objc.Class
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func (u *UserInterface) initializePlatform() error {
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pushResizableState := func(id, win objc.ID) {
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window := cocoa.NSWindow{ID: win}
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id.Send(sel_setOrigResizable, window.StyleMask()&cocoa.NSWindowStyleMaskResizable != 0)
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if !objc.Send[bool](id, sel_origResizable) {
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window.SetStyleMask(window.StyleMask() | cocoa.NSWindowStyleMaskResizable)
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}
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}
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popResizableState := func(id, win objc.ID) {
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if !objc.Send[bool](id, sel_origResizable) {
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window := cocoa.NSWindow{ID: win}
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window.SetStyleMask(window.StyleMask() & ^uint(cocoa.NSWindowStyleMaskResizable))
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}
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id.Send(sel_setOrigResizable, false)
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}
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d, err := objc.RegisterClass(
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"EbitengineWindowDelegate",
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objc.GetClass("NSObject"),
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[]*objc.Protocol{objc.GetProtocol("NSWindowDelegate")},
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[]objc.FieldDef{
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{
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Name: "origDelegate",
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Type: reflect.TypeOf(objc.ID(0)),
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Attribute: objc.ReadWrite,
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},
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{
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Name: "origResizable",
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Type: reflect.TypeOf(true),
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Attribute: objc.ReadWrite,
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},
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},
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[]objc.MethodDef{
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{
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Cmd: sel_initWithOrigDelegate,
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Fn: func(id objc.ID, cmd objc.SEL, origDelegate objc.ID) objc.ID {
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self := id.SendSuper(sel_init)
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if self != 0 {
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id.Send(sel_setOrigDelegate, origDelegate)
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}
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return self
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},
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},
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// The method set of origDelegate must sync with GLFWWindowDelegate's implementation.
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// See cocoa_window.m in GLFW.
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{
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Cmd: sel_windowShouldClose,
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Fn: func(id objc.ID, cmd objc.SEL, notification objc.ID) bool {
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return id.Send(sel_origDelegate).Send(cmd, notification) != 0
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},
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},
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{
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Cmd: sel_windowDidResize,
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Fn: func(id objc.ID, cmd objc.SEL, notification objc.ID) {
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id.Send(sel_origDelegate).Send(cmd, notification)
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},
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},
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{
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Cmd: sel_windowDidMove,
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Fn: func(id objc.ID, cmd objc.SEL, notification objc.ID) {
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id.Send(sel_origDelegate).Send(cmd, notification)
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},
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},
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{
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Cmd: sel_windowDidMiniaturize,
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Fn: func(id objc.ID, cmd objc.SEL, notification objc.ID) {
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id.Send(sel_origDelegate).Send(cmd, notification)
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},
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},
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{
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Cmd: sel_windowDidBecomeKey,
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Fn: func(id objc.ID, cmd objc.SEL, notification objc.ID) {
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id.Send(sel_origDelegate).Send(cmd, notification)
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},
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},
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{
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Cmd: sel_windowDidResignKey,
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Fn: func(id objc.ID, cmd objc.SEL, notification objc.ID) {
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id.Send(sel_origDelegate).Send(cmd, notification)
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},
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},
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{
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Cmd: sel_windowDidChangeOcclusionState,
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Fn: func(id objc.ID, cmd objc.SEL, notification objc.ID) {
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id.Send(sel_origDelegate).Send(cmd, notification)
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},
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},
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{
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Cmd: sel_windowWillEnterFullScreen,
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Fn: func(id objc.ID, cmd objc.SEL, notification objc.ID) {
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if err := u.setOrigWindowPosWithCurrentPos(); err != nil {
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u.setError(err)
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return
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}
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pushResizableState(id, cocoa.NSNotification{ID: notification}.Object())
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},
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},
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{
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Cmd: sel_windowDidEnterFullScreen,
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Fn: func(id objc.ID, cmd objc.SEL, notification objc.ID) {
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popResizableState(id, cocoa.NSNotification{ID: notification}.Object())
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},
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},
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{
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Cmd: sel_windowWillExitFullScreen,
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Fn: func(id objc.ID, cmd objc.SEL, notification objc.ID) {
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pushResizableState(id, cocoa.NSNotification{ID: notification}.Object())
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// Even a window has a size limitation, a window can be fullscreen by calling SetFullscreen(true).
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// In this case, the window size limitation is disabled temporarily.
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// When exiting from fullscreen, reset the window size limitation.
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if err := u.updateWindowSizeLimits(); err != nil {
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u.setError(err)
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return
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}
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},
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},
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{
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Cmd: sel_windowDidExitFullScreen,
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Fn: func(id objc.ID, cmd objc.SEL, notification objc.ID) {
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popResizableState(id, cocoa.NSNotification{ID: notification}.Object())
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// Do not call setFrame here (#2295). setFrame here causes unexpected results.
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},
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},
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},
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)
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if err != nil {
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return err
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}
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class_EbitengineWindowDelegate = d
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return nil
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}
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type graphicsDriverCreatorImpl struct {
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transparent bool
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}
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func (g *graphicsDriverCreatorImpl) newAuto() (graphicsdriver.Graphics, GraphicsLibrary, error) {
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m, err1 := g.newMetal()
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if err1 == nil {
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return m, GraphicsLibraryMetal, nil
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}
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o, err2 := g.newOpenGL()
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if err2 == nil {
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return o, GraphicsLibraryOpenGL, nil
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}
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return nil, GraphicsLibraryUnknown, fmt.Errorf("ui: failed to choose graphics drivers: Metal: %v, OpenGL: %v", err1, err2)
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}
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func (*graphicsDriverCreatorImpl) newOpenGL() (graphicsdriver.Graphics, error) {
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return opengl.NewGraphics()
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}
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func (*graphicsDriverCreatorImpl) newDirectX() (graphicsdriver.Graphics, error) {
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return nil, errors.New("ui: DirectX is not supported in this environment")
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}
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func (*graphicsDriverCreatorImpl) newMetal() (graphicsdriver.Graphics, error) {
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return metal.NewGraphics()
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}
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func (*graphicsDriverCreatorImpl) newPlayStation5() (graphicsdriver.Graphics, error) {
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return nil, errors.New("ui: PlayStation 5 is not supported in this environment")
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}
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// glfwMonitorSizeInGLFWPixels must be called from the main thread.
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func glfwMonitorSizeInGLFWPixels(m *glfw.Monitor) (int, int, error) {
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vm, err := m.GetVideoMode()
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if err != nil {
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return 0, 0, err
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}
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return vm.Width, vm.Height, nil
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}
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func dipFromGLFWPixel(x float64, monitor *Monitor) float64 {
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// NOTE: On macOS, GLFW exposes the device independent coordinate system.
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// Thus, the conversion functions are unnecessary,
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// however we still need the deviceScaleFactor internally
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// so we can create and maintain a HiDPI frame buffer.
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return x
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}
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func dipToGLFWPixel(x float64, monitor *Monitor) float64 {
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return x
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}
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func (u *UserInterface) adjustWindowPosition(x, y int, monitor *Monitor) (int, int) {
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return x, y
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}
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var (
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class_NSCursor = objc.GetClass("NSCursor")
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class_NSEvent = objc.GetClass("NSEvent")
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)
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var (
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sel_alloc = objc.RegisterName("alloc")
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sel_collectionBehavior = objc.RegisterName("collectionBehavior")
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sel_delegate = objc.RegisterName("delegate")
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sel_init = objc.RegisterName("init")
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sel_initWithOrigDelegate = objc.RegisterName("initWithOrigDelegate:")
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sel_mouseLocation = objc.RegisterName("mouseLocation")
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sel_origDelegate = objc.RegisterName("origDelegate")
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sel_origResizable = objc.RegisterName("isOrigResizable")
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sel_setCollectionBehavior = objc.RegisterName("setCollectionBehavior:")
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sel_setDelegate = objc.RegisterName("setDelegate:")
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sel_setOrigDelegate = objc.RegisterName("setOrigDelegate:")
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sel_setOrigResizable = objc.RegisterName("setOrigResizable:")
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sel_toggleFullScreen = objc.RegisterName("toggleFullScreen:")
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sel_windowDidBecomeKey = objc.RegisterName("windowDidBecomeKey:")
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sel_windowDidDeminiaturize = objc.RegisterName("windowDidDeminiaturize:")
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sel_windowDidEnterFullScreen = objc.RegisterName("windowDidEnterFullScreen:")
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sel_windowDidExitFullScreen = objc.RegisterName("windowDidExitFullScreen:")
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sel_windowDidMiniaturize = objc.RegisterName("windowDidMiniaturize:")
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sel_windowDidMove = objc.RegisterName("windowDidMove:")
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sel_windowDidResignKey = objc.RegisterName("windowDidResignKey:")
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sel_windowDidResize = objc.RegisterName("windowDidResize:")
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sel_windowDidChangeOcclusionState = objc.RegisterName("windowDidChangeOcclusionState:")
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sel_windowShouldClose = objc.RegisterName("windowShouldClose:")
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sel_windowWillEnterFullScreen = objc.RegisterName("windowWillEnterFullScreen:")
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sel_windowWillExitFullScreen = objc.RegisterName("windowWillExitFullScreen:")
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)
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func currentMouseLocation() (x, y int) {
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sig := cocoa.NSMethodSignature_signatureWithObjCTypes("{NSPoint=dd}@:")
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inv := cocoa.NSInvocation_invocationWithMethodSignature(sig)
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inv.SetTarget(objc.ID(class_NSEvent))
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inv.SetSelector(sel_mouseLocation)
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inv.Invoke()
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var point cocoa.NSPoint
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inv.GetReturnValue(unsafe.Pointer(&point))
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x, y = int(point.X), int(point.Y)
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// On macOS, the Y axis is upward. Adjust the Y position (#807, #2794).
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y = -y
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m := theMonitors.primaryMonitor()
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y += m.videoMode.Height
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return x, y
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}
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func initialMonitorByOS() (*Monitor, error) {
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x, y := currentMouseLocation()
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// Find the monitor including the cursor.
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return theMonitors.monitorFromPosition(x, y), nil
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}
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func monitorFromWindowByOS(w *glfw.Window) (*Monitor, error) {
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cocoaWindow, err := w.GetCocoaWindow()
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if err != nil {
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return nil, err
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}
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window := cocoa.NSWindow{ID: objc.ID(cocoaWindow)}
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pool := cocoa.NSAutoreleasePool_new()
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screen := cocoa.NSScreen_mainScreen()
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if window.ID != 0 && window.IsVisible() {
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// When the window is visible, the window is already initialized.
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// [NSScreen mainScreen] sometimes tells a lie when the window is put across monitors (#703).
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screen = window.Screen()
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}
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screenDictionary := screen.DeviceDescription()
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screenID := cocoa.NSNumber{ID: screenDictionary.ObjectForKey(cocoa.NSString_alloc().InitWithUTF8String("NSScreenNumber").ID)}
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aID := uintptr(screenID.UnsignedIntValue()) // CGDirectDisplayID
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pool.Release()
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for _, m := range theMonitors.append(nil) {
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cocoaMonitor, err := m.m.GetCocoaMonitor()
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if err != nil {
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return nil, err
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}
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if cocoaMonitor == aID {
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return m, nil
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}
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}
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return nil, nil
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}
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func (u *UserInterface) nativeWindow() (uintptr, error) {
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return u.window.GetCocoaWindow()
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}
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func (u *UserInterface) isNativeFullscreen() (bool, error) {
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w, err := u.window.GetCocoaWindow()
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if err != nil {
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return false, err
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}
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return cocoa.NSWindow{ID: objc.ID(w)}.StyleMask()&cocoa.NSWindowStyleMaskFullScreen != 0, nil
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}
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func (u *UserInterface) isNativeFullscreenAvailable() bool {
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// TODO: If the window is transparent, we should use GLFW's windowed fullscreen (#1822, #1857).
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// However, if the user clicks the green button, should this window be in native fullscreen mode?
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return true
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}
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func (u *UserInterface) setNativeFullscreen(fullscreen bool) error {
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// Toggling fullscreen might ignore events like keyUp. Ensure that events are fired.
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if err := glfw.WaitEventsTimeout(0.1); err != nil {
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return err
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}
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w, err := u.window.GetCocoaWindow()
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if err != nil {
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return err
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}
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window := cocoa.NSWindow{ID: objc.ID(w)}
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if window.StyleMask()&cocoa.NSWindowStyleMaskFullScreen != 0 == fullscreen {
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return nil
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}
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// Even though EbitengineWindowDelegate is used, this hack is still required.
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// toggleFullscreen doesn't work when the window is not resizable.
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origCollectionBehavior := window.Send(sel_collectionBehavior)
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origFullScreen := origCollectionBehavior&cocoa.NSWindowCollectionBehaviorFullScreenPrimary != 0
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if !origFullScreen {
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collectionBehavior := origCollectionBehavior
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collectionBehavior |= cocoa.NSWindowCollectionBehaviorFullScreenPrimary
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collectionBehavior &^= cocoa.NSWindowCollectionBehaviorFullScreenNone
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window.Send(sel_setCollectionBehavior, cocoa.NSUInteger(collectionBehavior))
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}
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window.Send(sel_toggleFullScreen, 0)
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if !origFullScreen {
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window.Send(sel_setCollectionBehavior, cocoa.NSUInteger(cocoa.NSUInteger(origCollectionBehavior)))
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}
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return nil
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}
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func (u *UserInterface) adjustViewSizeAfterFullscreen() error {
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if u.GraphicsLibrary() == GraphicsLibraryOpenGL {
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return nil
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}
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w, err := u.window.GetCocoaWindow()
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if err != nil {
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return err
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}
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window := cocoa.NSWindow{ID: objc.ID(w)}
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if window.StyleMask()&cocoa.NSWindowStyleMaskFullScreen == 0 {
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return nil
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}
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// Reduce the view height (#1745).
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// https://stackoverflow.com/questions/27758027/sprite-kit-serious-fps-issue-in-full-screen-mode-on-os-x
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windowSize := window.Frame().Size
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view := window.ContentView()
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viewSize := view.Frame().Size
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if windowSize.Width != viewSize.Width || windowSize.Height != viewSize.Height {
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return nil
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}
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viewSize.Width--
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view.SetFrameSize(viewSize)
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// NSColor.blackColor (0, 0, 0, 1) didn't work.
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// Use the transparent color instead.
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window.SetBackgroundColor(cocoa.NSColor_colorWithSRGBRedGreenBlueAlpha(0, 0, 0, 0))
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return nil
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}
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func (u *UserInterface) isFullscreenAllowedFromUI(mode WindowResizingMode) bool {
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if u.maxWindowWidthInDIP != glfw.DontCare || u.maxWindowHeightInDIP != glfw.DontCare {
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return false
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}
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if mode == WindowResizingModeOnlyFullscreenEnabled {
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return true
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}
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if mode == WindowResizingModeEnabled {
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return true
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}
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return false
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}
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func (u *UserInterface) setWindowResizingModeForOS(mode WindowResizingMode) error {
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var collectionBehavior uint
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if u.isFullscreenAllowedFromUI(mode) {
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collectionBehavior |= cocoa.NSWindowCollectionBehaviorManaged
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collectionBehavior |= cocoa.NSWindowCollectionBehaviorFullScreenPrimary
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} else {
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collectionBehavior |= cocoa.NSWindowCollectionBehaviorFullScreenNone
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}
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w, err := u.window.GetCocoaWindow()
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if err != nil {
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return err
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}
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objc.ID(w).Send(sel_setCollectionBehavior, collectionBehavior)
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return nil
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}
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func initializeWindowAfterCreation(w *glfw.Window) error {
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// TODO: Register NSWindowWillEnterFullScreenNotification and so on.
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// Enable resizing temporary before making the window fullscreen.
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cocoaWindow, err := w.GetCocoaWindow()
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if err != nil {
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return err
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}
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nswindow := objc.ID(cocoaWindow)
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delegate := objc.ID(class_EbitengineWindowDelegate).Send(sel_alloc).Send(sel_initWithOrigDelegate, nswindow.Send(sel_delegate))
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nswindow.Send(sel_setDelegate, delegate)
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return nil
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}
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func (u *UserInterface) skipTaskbar() error {
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return nil
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}
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