mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-09-19 21:02:18 +02:00
internal/ui: refactoring: separate the Windows API part to another file
This commit is contained in:
Hajime Hoshi
parent
a57560105f
commit
57fc4d438b
99
internal/ui/api_windows.go
Normal file
99
internal/ui/api_windows.go
Normal file
@ -0,0 +1,99 @@
|
||||
// Copyright 2022 The Ebitengine 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 !ebitenginecbackend && !ebitencbackend
|
||||
// +build !ebitenginecbackend,!ebitencbackend
|
||||
|
||||
package ui
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"unsafe"
|
||||
|
||||
"golang.org/x/sys/windows"
|
||||
)
|
||||
|
||||
const (
|
||||
_SM_CYCAPTION = 4
|
||||
_MONITOR_DEFAULTTONEAREST = 2
|
||||
)
|
||||
|
||||
type _RECT struct {
|
||||
left int32
|
||||
top int32
|
||||
right int32
|
||||
bottom int32
|
||||
}
|
||||
|
||||
type _MONITORINFO struct {
|
||||
cbSize uint32
|
||||
rcMonitor _RECT
|
||||
rcWork _RECT
|
||||
dwFlags uint32
|
||||
}
|
||||
|
||||
type _POINT struct {
|
||||
x int32
|
||||
y int32
|
||||
}
|
||||
|
||||
var (
|
||||
user32 = windows.NewLazySystemDLL("user32.dll")
|
||||
|
||||
procGetSystemMetrics = user32.NewProc("GetSystemMetrics")
|
||||
procMonitorFromWindow = user32.NewProc("MonitorFromWindow")
|
||||
procGetMonitorInfoW = user32.NewProc("GetMonitorInfoW")
|
||||
procGetCursorPos = user32.NewProc("GetCursorPos")
|
||||
)
|
||||
|
||||
func _GetSystemMetrics(nIndex int) (int32, error) {
|
||||
r, _, _ := procGetSystemMetrics.Call(uintptr(nIndex))
|
||||
if int32(r) == 0 {
|
||||
// GetLastError doesn't provide an extended information.
|
||||
// See https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-getsystemmetrics
|
||||
return 0, fmt.Errorf("ui: GetSystemMetrics returned 0")
|
||||
}
|
||||
return int32(r), nil
|
||||
}
|
||||
|
||||
func _MonitorFromWindow(hwnd windows.HWND, dwFlags uint32) uintptr {
|
||||
r, _, _ := procMonitorFromWindow.Call(uintptr(hwnd), uintptr(dwFlags))
|
||||
return r
|
||||
}
|
||||
|
||||
func _GetMonitorInfoW(hMonitor uintptr) (_MONITORINFO, error) {
|
||||
mi := _MONITORINFO{}
|
||||
mi.cbSize = uint32(unsafe.Sizeof(mi))
|
||||
|
||||
r, _, e := procGetMonitorInfoW.Call(hMonitor, uintptr(unsafe.Pointer(&mi)))
|
||||
if int32(r) == 0 {
|
||||
if e != nil && e != windows.ERROR_SUCCESS {
|
||||
return _MONITORINFO{}, fmt.Errorf("ui: GetMonitorInfoW failed: error code: %w", e)
|
||||
}
|
||||
return _MONITORINFO{}, fmt.Errorf("ui: GetMonitorInfoW failed: returned 0")
|
||||
}
|
||||
return mi, nil
|
||||
}
|
||||
|
||||
func _GetCursorPos() (int32, int32, error) {
|
||||
var pt _POINT
|
||||
r, _, e := procGetCursorPos.Call(uintptr(unsafe.Pointer(&pt)))
|
||||
if int32(r) == 0 {
|
||||
if e != nil && e != windows.ERROR_SUCCESS {
|
||||
return 0, 0, fmt.Errorf("ui: GetCursorPos failed: error code: %w", e)
|
||||
}
|
||||
return 0, 0, fmt.Errorf("ui: GetCursorPos failed: returned 0")
|
||||
}
|
||||
return pt.x, pt.y, nil
|
||||
}
|
||||
@ -21,7 +21,6 @@ import (
|
||||
"errors"
|
||||
"fmt"
|
||||
"runtime"
|
||||
"unsafe"
|
||||
|
||||
"golang.org/x/sys/windows"
|
||||
|
||||
@ -63,80 +62,6 @@ func (*graphicsDriverCreatorImpl) newMetal() (graphicsdriver.Graphics, error) {
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
const (
|
||||
_SM_CYCAPTION = 4
|
||||
_MONITOR_DEFAULTTONEAREST = 2
|
||||
)
|
||||
|
||||
type _RECT struct {
|
||||
left int32
|
||||
top int32
|
||||
right int32
|
||||
bottom int32
|
||||
}
|
||||
|
||||
type _MONITORINFO struct {
|
||||
cbSize uint32
|
||||
rcMonitor _RECT
|
||||
rcWork _RECT
|
||||
dwFlags uint32
|
||||
}
|
||||
|
||||
type _POINT struct {
|
||||
x int32
|
||||
y int32
|
||||
}
|
||||
|
||||
var (
|
||||
user32 = windows.NewLazySystemDLL("user32.dll")
|
||||
|
||||
procGetSystemMetrics = user32.NewProc("GetSystemMetrics")
|
||||
procMonitorFromWindow = user32.NewProc("MonitorFromWindow")
|
||||
procGetMonitorInfoW = user32.NewProc("GetMonitorInfoW")
|
||||
procGetCursorPos = user32.NewProc("GetCursorPos")
|
||||
)
|
||||
|
||||
func _GetSystemMetrics(nIndex int) (int32, error) {
|
||||
r, _, _ := procGetSystemMetrics.Call(uintptr(nIndex))
|
||||
if int32(r) == 0 {
|
||||
// GetLastError doesn't provide an extended information.
|
||||
// See https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-getsystemmetrics
|
||||
return 0, fmt.Errorf("ui: GetSystemMetrics returned 0")
|
||||
}
|
||||
return int32(r), nil
|
||||
}
|
||||
|
||||
func _MonitorFromWindow(hwnd windows.HWND, dwFlags uint32) uintptr {
|
||||
r, _, _ := procMonitorFromWindow.Call(uintptr(hwnd), uintptr(dwFlags))
|
||||
return r
|
||||
}
|
||||
|
||||
func _GetMonitorInfoW(hMonitor uintptr) (_MONITORINFO, error) {
|
||||
mi := _MONITORINFO{}
|
||||
mi.cbSize = uint32(unsafe.Sizeof(mi))
|
||||
|
||||
r, _, e := procGetMonitorInfoW.Call(hMonitor, uintptr(unsafe.Pointer(&mi)))
|
||||
if int32(r) == 0 {
|
||||
if e != nil && e != windows.ERROR_SUCCESS {
|
||||
return _MONITORINFO{}, fmt.Errorf("ui: GetMonitorInfoW failed: error code: %w", e)
|
||||
}
|
||||
return _MONITORINFO{}, fmt.Errorf("ui: GetMonitorInfoW failed: returned 0")
|
||||
}
|
||||
return mi, nil
|
||||
}
|
||||
|
||||
func _GetCursorPos() (int32, int32, error) {
|
||||
var pt _POINT
|
||||
r, _, e := procGetCursorPos.Call(uintptr(unsafe.Pointer(&pt)))
|
||||
if int32(r) == 0 {
|
||||
if e != nil && e != windows.ERROR_SUCCESS {
|
||||
return 0, 0, fmt.Errorf("ui: GetCursorPos failed: error code: %w", e)
|
||||
}
|
||||
return 0, 0, fmt.Errorf("ui: GetCursorPos failed: returned 0")
|
||||
}
|
||||
return pt.x, pt.y, nil
|
||||
}
|
||||
|
||||
type userInterfaceImplNative struct {
|
||||
origWindowPosX int
|
||||
origWindowPosY int
|
||||
|
||||
Loading…
Reference in New Issue
Block a user