mirror of
https://github.com/hajimehoshi/ebiten.git
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61 lines
1.8 KiB
Go
61 lines
1.8 KiB
Go
// Copyright 2022 The Ebiten 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 directx
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import (
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"fmt"
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"unsafe"
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"golang.org/x/sys/windows"
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)
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const is64bit = unsafe.Sizeof(uintptr(0)) == 8
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type handleError windows.Handle
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func (h handleError) Error() string {
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return fmt.Sprintf("HANDLE(%d)", h)
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}
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type (
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_BOOL int32
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)
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func boolToUintptr(v bool) uintptr {
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if v {
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return 1
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}
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return 0
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}
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type _PAPPSTATE_CHANGE_ROUTINE func(quiesced bool, context unsafe.Pointer) uintptr
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var (
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// https://github.com/MicrosoftDocs/sdk-api/blob/docs/sdk-api-src/content/appnotify/nf-appnotify-registerappstatechangenotification.md
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appnotify = windows.NewLazySystemDLL("API-MS-Win-Core-psm-appnotify-l1-1-0.dll")
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procRegisterAppStateChangeNotification = appnotify.NewProc("RegisterAppStateChangeNotification")
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)
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func _RegisterAppStateChangeNotification(routine _PAPPSTATE_CHANGE_ROUTINE, context unsafe.Pointer) (unsafe.Pointer, error) {
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cb := windows.NewCallback(routine)
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var registration unsafe.Pointer
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r, _, _ := procRegisterAppStateChangeNotification.Call(cb, uintptr(context), uintptr(unsafe.Pointer(®istration)))
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if windows.Errno(r) != windows.ERROR_SUCCESS {
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return nil, fmt.Errorf("directx: RegisterAppStateChangeNotification failed: %w", windows.Errno(r))
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}
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return registration, nil
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}
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