mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-12-27 04:08:53 +01:00
80 lines
2.2 KiB
Go
80 lines
2.2 KiB
Go
// Copyright 2017 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.
|
|
|
|
//go:build !ebitencbackend
|
|
// +build !ebitencbackend
|
|
|
|
package ui
|
|
|
|
import (
|
|
"fmt"
|
|
"unsafe"
|
|
|
|
"golang.org/x/sys/windows"
|
|
)
|
|
|
|
const (
|
|
processQueryLimitedInformation = 0x1000
|
|
)
|
|
|
|
var (
|
|
kernel32 = windows.NewLazySystemDLL("kernel32.dll")
|
|
user32 = windows.NewLazySystemDLL("user32.dll")
|
|
|
|
procFreeConsoleWindow = kernel32.NewProc("FreeConsole")
|
|
procGetCurrentProcessId = kernel32.NewProc("GetCurrentProcessId")
|
|
procGetConsoleWindow = kernel32.NewProc("GetConsoleWindow")
|
|
procGetWindowThreadProcessId = user32.NewProc("GetWindowThreadProcessId")
|
|
)
|
|
|
|
func freeConsole() error {
|
|
r, _, e := procFreeConsoleWindow.Call()
|
|
if r == 0 {
|
|
if e != nil && e != windows.ERROR_SUCCESS {
|
|
return fmt.Errorf("ui: FreeConsole failed: %w", e)
|
|
}
|
|
return fmt.Errorf("ui: FreeConsole returned 0")
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func getCurrentProcessId() uint32 {
|
|
r, _, _ := procGetCurrentProcessId.Call()
|
|
return uint32(r)
|
|
}
|
|
|
|
func getConsoleWindow() windows.HWND {
|
|
r, _, _ := procGetConsoleWindow.Call()
|
|
return windows.HWND(r)
|
|
}
|
|
|
|
func getWindowThreadProcessId(hwnd windows.HWND) (tid, pid uint32) {
|
|
r, _, _ := procGetWindowThreadProcessId.Call(uintptr(hwnd), uintptr(unsafe.Pointer(&pid)))
|
|
tid = uint32(r)
|
|
return
|
|
}
|
|
|
|
// hideConsoleWindowOnWindows will hide the console window that is showing when
|
|
// compiling on Windows without specifying the '-ldflags "-Hwindowsgui"' flag.
|
|
func hideConsoleWindowOnWindows() {
|
|
pid := getCurrentProcessId()
|
|
// Get the process ID of the console's creator.
|
|
_, cpid := getWindowThreadProcessId(getConsoleWindow())
|
|
if pid == cpid {
|
|
// The current process created its own console. Hide this.
|
|
// Ignore error.
|
|
freeConsole()
|
|
}
|
|
}
|