mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-12-26 11:48:55 +01:00
346 lines
14 KiB
Go
346 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 && !nintendosdk
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// +build !ios,!nintendosdk
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package ui
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import (
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"fmt"
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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 init() {
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class_EbitengineWindowDelegate = objc.AllocateClassPair(objc.GetClass("NSObject"), "EbitengineWindowDelegate", 0)
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protocol := objc.GetProtocol("NSWindowDelegate")
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class_EbitengineWindowDelegate.AddProtocol(protocol)
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// TODO: remove these Ivars and place them in Go since there is only ever one instance of this class
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class_EbitengineWindowDelegate.AddIvar("origDelegate", objc.ID(0), "@")
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class_EbitengineWindowDelegate.AddIvar("origResizable", false, "B")
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origDelegateOffset := class_EbitengineWindowDelegate.InstanceVariable("origDelegate").Offset()
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origResizableOffset := class_EbitengineWindowDelegate.InstanceVariable("origResizable").Offset()
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getOrigDelegate := func(self objc.ID) objc.ID {
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selfPtr := *(**uintptr)(unsafe.Pointer(&self))
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return *(*objc.ID)(unsafe.Pointer(uintptr(unsafe.Pointer(selfPtr)) + origDelegateOffset))
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}
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getResizable := func(self objc.ID) bool {
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selfPtr := *(**uintptr)(unsafe.Pointer(&self))
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return *(*bool)(unsafe.Pointer(uintptr(unsafe.Pointer(selfPtr)) + origResizableOffset))
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}
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setResizable := func(self objc.ID, resizable bool) {
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selfPtr := *(**uintptr)(unsafe.Pointer(&self))
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*(*bool)(unsafe.Pointer(uintptr(unsafe.Pointer(selfPtr)) + origResizableOffset)) = resizable
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}
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pushResizableState := func(self, w objc.ID) {
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window := cocoa.NSWindow{ID: w}
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setResizable(self, window.StyleMask()&cocoa.NSWindowStyleMaskResizable != 0)
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if !getResizable(self) {
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window.SetStyleMask(window.StyleMask() | cocoa.NSWindowStyleMaskResizable)
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}
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}
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popResizableState := func(self, w objc.ID) {
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window := cocoa.NSWindow{ID: w}
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if !getResizable(self) {
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window.SetStyleMask(window.StyleMask() & ^uint(cocoa.NSWindowStyleMaskResizable))
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}
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setResizable(self, false)
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}
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class_EbitengineWindowDelegate.AddMethod(objc.RegisterName("initWithOrigDelegate:"), objc.NewIMP(func(self objc.ID, cmd objc.SEL, origDelegate objc.ID) objc.ID {
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self = self.SendSuper(objc.RegisterName("init"))
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if self != 0 {
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selfPtr := *(**uintptr)(unsafe.Pointer(&self))
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*(*objc.ID)(unsafe.Pointer(uintptr(unsafe.Pointer(selfPtr)) + origDelegateOffset)) = origDelegate
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}
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return self
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}), "@@:B")
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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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class_EbitengineWindowDelegate.AddMethod(objc.RegisterName("windowShouldClose:"), objc.NewIMP(func(self objc.ID, cmd objc.SEL, notification objc.ID) int {
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return int(getOrigDelegate(self).Send(objc.RegisterName("windowShouldClose:"), notification))
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}), "B@:@")
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class_EbitengineWindowDelegate.AddMethod(objc.RegisterName("windowDidResize:"), objc.NewIMP(func(self objc.ID, cmd objc.SEL, notification objc.ID) {
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getOrigDelegate(self).Send(cmd, notification)
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}), "v@:@")
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class_EbitengineWindowDelegate.AddMethod(objc.RegisterName("windowDidMove:"), objc.NewIMP(func(self objc.ID, cmd objc.SEL, notification objc.ID) {
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getOrigDelegate(self).Send(cmd, notification)
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}), "v@:@")
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class_EbitengineWindowDelegate.AddMethod(objc.RegisterName("windowDidMiniaturize:"), objc.NewIMP(func(self objc.ID, cmd objc.SEL, notification objc.ID) {
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getOrigDelegate(self).Send(cmd, notification)
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}), "v@:@")
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class_EbitengineWindowDelegate.AddMethod(objc.RegisterName("windowDidDeminiaturize:"), objc.NewIMP(func(self objc.ID, cmd objc.SEL, notification objc.ID) {
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getOrigDelegate(self).Send(cmd, notification)
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}), "v@:@")
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class_EbitengineWindowDelegate.AddMethod(objc.RegisterName("windowDidBecomeKey:"), objc.NewIMP(func(self objc.ID, cmd objc.SEL, notification objc.ID) {
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getOrigDelegate(self).Send(cmd, notification)
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}), "v@:@")
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class_EbitengineWindowDelegate.AddMethod(objc.RegisterName("windowDidResignKey:"), objc.NewIMP(func(self objc.ID, cmd objc.SEL, notification objc.ID) {
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getOrigDelegate(self).Send(cmd, notification)
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}), "v@:@")
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class_EbitengineWindowDelegate.AddMethod(objc.RegisterName("windowDidChangeOcclusionState:"), objc.NewIMP(func(self objc.ID, cmd objc.SEL, notification objc.ID) {
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getOrigDelegate(self).Send(cmd, notification)
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}), "v@:@")
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class_EbitengineWindowDelegate.AddMethod(objc.RegisterName("windowWillEnterFullScreen:"), objc.NewIMP(func(self objc.ID, cmd objc.SEL, notification objc.ID) {
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pushResizableState(self, cocoa.NSNotification{ID: notification}.Object())
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}), "v@:@")
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class_EbitengineWindowDelegate.AddMethod(objc.RegisterName("windowDidEnterFullScreen:"), objc.NewIMP(func(self objc.ID, cmd objc.SEL, notification objc.ID) {
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popResizableState(self, cocoa.NSNotification{ID: notification}.Object())
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}), "v@:@")
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class_EbitengineWindowDelegate.AddMethod(objc.RegisterName("windowWillExitFullScreen:"), objc.NewIMP(func(self objc.ID, cmd objc.SEL, notification objc.ID) {
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pushResizableState(self, cocoa.NSNotification{ID: notification}.Object())
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}), "v@:@")
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class_EbitengineWindowDelegate.AddMethod(objc.RegisterName("windowDidExitFullScreen:"), objc.NewIMP(func(self objc.ID, cmd objc.SEL, notification objc.ID) {
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popResizableState(self, cocoa.NSNotification{ID: notification}.Object())
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// Do not call setFrame here (#2295). setFrame here causes unexpected results.
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}), "v@:@")
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class_EbitengineWindowDelegate.Register()
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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, nil
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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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// clearVideoModeScaleCache must be called from the main thread.
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func clearVideoModeScaleCache() {}
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// dipFromGLFWMonitorPixel must be called from the main thread.
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func (u *userInterfaceImpl) dipFromGLFWMonitorPixel(x float64, monitor *glfw.Monitor) float64 {
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return x
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}
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// dipFromGLFWPixel must be called from the main thread.
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func (u *userInterfaceImpl) dipFromGLFWPixel(x float64, monitor *glfw.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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// dipToGLFWPixel must be called from the main thread.
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func (u *userInterfaceImpl) dipToGLFWPixel(x float64, monitor *glfw.Monitor) float64 {
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return x
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}
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func (u *userInterfaceImpl) adjustWindowPosition(x, y int, monitor *glfw.Monitor) (int, int) {
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return x, y
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}
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func flipY(y int) int {
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for _, m := range ensureMonitors() {
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if m.x == 0 && m.y == 0 {
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y = -y
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y += m.vm.Height
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break
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}
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}
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return y
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}
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var class_NSEvent = objc.GetClass("NSEvent")
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var sel_mouseLocation = objc.RegisterName("mouseLocation")
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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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return int(point.X), int(point.Y)
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}
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func initialMonitorByOS() (*glfw.Monitor, error) {
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x, y := currentMouseLocation()
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// Find the monitor including the cursor.
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for _, m := range ensureMonitors() {
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w, h := m.vm.Width, m.vm.Height
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if x >= m.x && x < m.x+w && y >= m.y && y < m.y+h {
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return m.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 monitorFromWindowByOS(w *glfw.Window) *glfw.Monitor {
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window := cocoa.NSWindow{ID: objc.ID(w.GetCocoaWindow())}
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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.IsVisibile() {
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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 ensureMonitors() {
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if m.m.GetCocoaMonitor() == aID {
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return m.m
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}
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}
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return nil
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}
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func (u *userInterfaceImpl) nativeWindow() uintptr {
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return u.window.GetCocoaWindow()
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}
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func (u *userInterfaceImpl) isNativeFullscreen() bool {
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return cocoa.NSWindow{ID: objc.ID(u.window.GetCocoaWindow())}.StyleMask()&cocoa.NSWindowStyleMaskFullScreen != 0
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}
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func (u *userInterfaceImpl) setNativeCursor(shape CursorShape) {
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class_NSCursor := objc.GetClass("NSCursor")
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NSCursor := objc.ID(class_NSCursor).Send(objc.RegisterName("class"))
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sel_performSelector := objc.RegisterName("performSelector:")
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cursor := NSCursor.Send(sel_performSelector, objc.RegisterName("arrowCursor"))
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switch shape {
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case 0:
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cursor = NSCursor.Send(sel_performSelector, objc.RegisterName("arrowCursor"))
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case 1:
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cursor = NSCursor.Send(sel_performSelector, objc.RegisterName("IBeamCursor"))
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case 2:
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cursor = NSCursor.Send(sel_performSelector, objc.RegisterName("crosshairCursor"))
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case 3:
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cursor = NSCursor.Send(sel_performSelector, objc.RegisterName("pointHandCursor"))
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case 4:
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cursor = NSCursor.Send(sel_performSelector, objc.RegisterName("_windowResizeEastWestCursor"))
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case 5:
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cursor = NSCursor.Send(sel_performSelector, objc.RegisterName("_windowResizeNorthSouthCursor"))
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}
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cursor.Send(objc.RegisterName("push"))
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}
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func (u *userInterfaceImpl) 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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var sel_collectionBehavior = objc.RegisterName("collectionBehavior")
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var sel_setCollectionBehavior = objc.RegisterName("setCollectionBehavior:")
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func (u *userInterfaceImpl) setNativeFullscreen(fullscreen bool) {
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// Toggling fullscreen might ignore events like keyUp. Ensure that events are fired.
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glfw.WaitEventsTimeout(0.1)
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window := cocoa.NSWindow{ID: objc.ID(u.window.GetCocoaWindow())}
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if window.StyleMask()&cocoa.NSWindowStyleMaskFullScreen != 0 == fullscreen {
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return
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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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origFullScreen := window.Send(sel_collectionBehavior)&cocoa.NSWindowCollectionBehaviorFullScreenPrimary != 0
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if !origFullScreen {
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window.Send(sel_setCollectionBehavior, cocoa.NSUInteger(window.Send(sel_collectionBehavior))|cocoa.NSWindowCollectionBehaviorFullScreenPrimary)
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}
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window.Send(objc.RegisterName("toggleFullScreen:"), 0)
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if !origFullScreen {
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window.Send(sel_setCollectionBehavior, cocoa.NSUInteger(window.Send(sel_collectionBehavior))&^cocoa.NSUInteger(cocoa.NSWindowCollectionBehaviorFullScreenPrimary))
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}
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}
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func (u *userInterfaceImpl) adjustViewSizeAfterFullscreen() {
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if u.graphicsDriver.IsGL() {
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return
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}
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window := cocoa.NSWindow{ID: objc.ID(u.window.GetCocoaWindow())}
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if window.StyleMask()&cocoa.NSWindowStyleMaskFullScreen == 0 {
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return
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}
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// Apparently, adjusting the view size is not needed as of macOS 12 (#1745).
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if cocoa.NSProcessInfo_processInfo().IsOperatingSystemAtLeastVersion(cocoa.NSOperatingSystemVersion{
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Major: 12,
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}) {
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return
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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
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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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}
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func (u *userInterfaceImpl) setWindowResizingModeForOS(mode WindowResizingMode) {
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allowFullscreen := mode == WindowResizingModeOnlyFullscreenEnabled ||
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mode == WindowResizingModeEnabled
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collectionBehavior := int(objc.ID(u.window.GetCocoaWindow()).Send(sel_collectionBehavior))
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if allowFullscreen {
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collectionBehavior |= cocoa.NSWindowCollectionBehaviorFullScreenPrimary
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} else {
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collectionBehavior &^= cocoa.NSWindowCollectionBehaviorFullScreenPrimary
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}
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objc.ID(u.window.GetCocoaWindow()).Send(objc.RegisterName("setCollectionBehavior:"), collectionBehavior)
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}
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func initializeWindowAfterCreation(w *glfw.Window) {
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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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nswindow := objc.ID(w.GetCocoaWindow())
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sel_delegate := objc.RegisterName("delegate")
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delegate := objc.ID(class_EbitengineWindowDelegate).Send(objc.RegisterName("alloc")).Send(objc.RegisterName("initWithOrigDelegate:"), nswindow.Send(sel_delegate))
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nswindow.Send(objc.RegisterName("setDelegate:"), delegate)
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}
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