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Win11 动态壁纸引擎：WebView2 + systray + 和风天气
- WebGL 极光背景动画
- 实时天气（24h/7d预报）
- 星座运势（托盘切换）
- 暂停/继续控制
- 单实例互斥锁防双开
- vendor systray 修复 ClickedCh 静默丢弃
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2026-05-25 19:03:21 +08:00
commit 196d59269d
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5
docs/backup-opengl/go_opengl.mod.txt Normal file
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module u-desktop
go 1.26.3
require golang.org/x/sys v0.45.0

530
docs/backup-opengl/main_opengl.go.txt Normal file
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package main
import (
"log"
"os"
"runtime"
"syscall"
"time"
"unsafe"
"golang.org/x/sys/windows"
)
const (
WM_DESTROY = 0x0002
WM_CLOSE = 0x0010
WM_QUIT = 0x0012
WM_MOUSEMOVE = 0x0200
WM_LBUTTONDOWN = 0x0201
WS_POPUP = 0x80000000
WS_VISIBLE = 0x10000000
WS_CHILD = 0x40000000
WS_CLIPCHILDREN = 0x02000000
WS_CLIPSIBLINGS = 0x04000000
GWL_STYLE = ^uintptr(0) - 15
PFD_DRAW_TO_WINDOW = 0x04
PFD_SUPPORT_OPENGL = 0x20
PFD_DOUBLEBUFFER = 0x01
GL_COLOR_BUFFER_BIT = 0x4060
GL_TRIANGLE_STRIP = 0x0005
GL_ARRAY_BUFFER = 0x8892
GL_STATIC_DRAW = 0x88E4
GL_VERTEX_SHADER = 0x8B31
GL_FRAGMENT_SHADER = 0x8B30
GL_COMPILE_STATUS = 0x8B81
GL_INFO_LOG_LENGTH = 0x8B84
GL_RGBA = 0x1908
GL_UNSIGNED_BYTE = 0x1401
GL_FLOAT = 0x1406
GL_VERSION = 0x1F02
DIB_RGB_COLORS = 0
SWP_NOSIZE = 0x0001
SWP_NOMOVE = 0x0002
SWP_NOZORDER = 0x0004
SWP_FRAMECHANGED = 0x0020
HWND_BOTTOM = 1
)
type bitmapInfoHeader struct {
Size uint32
Width int32
Height int32
Planes uint16
BitCount uint16
Compression uint32
SizeImage uint32
XPelsPerMeter int32
YPelsPerMeter int32
ClrUsed uint32
ClrImportant uint32
}
var (
user32 = windows.NewLazySystemDLL("user32.dll")
gdi32 = windows.NewLazySystemDLL("gdi32.dll")
opengl32 = windows.NewLazySystemDLL("opengl32.dll")
procFindWindowW = user32.NewProc("FindWindowW")
procFindWindowExW = user32.NewProc("FindWindowExW")
procSendMsgTimeout = user32.NewProc("SendMessageTimeoutW")
procSetParent = user32.NewProc("SetParent")
procMoveWindow = user32.NewProc("MoveWindow")
procShowWindow = user32.NewProc("ShowWindow")
procSetWindowLongPtrW = user32.NewProc("SetWindowLongPtrW")
procSetWindowPos = user32.NewProc("SetWindowPos")
procCreateWindowExW = user32.NewProc("CreateWindowExW")
procDefWindowProcW = user32.NewProc("DefWindowProcW")
procRegisterClassExW = user32.NewProc("RegisterClassExW")
procEnumDisplayMonitors = user32.NewProc("EnumDisplayMonitors")
procEnumWindows = user32.NewProc("EnumWindows")
procGetClassNameW = user32.NewProc("GetClassNameW")
procGetWindowRect = user32.NewProc("GetWindowRect")
procSetProcessDPIAware = user32.NewProc("SetProcessDPIAware")
procPeekMessageW = user32.NewProc("PeekMessageW")
procTranslateMessage = user32.NewProc("TranslateMessage")
procDispatchMessageW = user32.NewProc("DispatchMessageW")
procPostQuitMessage = user32.NewProc("PostQuitMessage")
procGetDC = user32.NewProc("GetDC")
procReleaseDC = user32.NewProc("ReleaseDC")
procSetDIBitsToDevice = gdi32.NewProc("SetDIBitsToDevice")
procChoosePixelFormat = gdi32.NewProc("ChoosePixelFormat")
procSetPixelFormat = gdi32.NewProc("SetPixelFormat")
procSwapBuffers = gdi32.NewProc("SwapBuffers")
glFinish = opengl32.NewProc("glFinish")
procWglCreateContext = opengl32.NewProc("wglCreateContext")
procWglMakeCurrent = opengl32.NewProc("wglMakeCurrent")
procWglDeleteContext = opengl32.NewProc("wglDeleteContext")
procWglGetProcAddress = opengl32.NewProc("wglGetProcAddress")
glViewport = opengl32.NewProc("glViewport")
glDrawArrays = opengl32.NewProc("glDrawArrays")
glGetString = opengl32.NewProc("glGetString")
glReadPixels = opengl32.NewProc("glReadPixels")
glClear = opengl32.NewProc("glClear")
)
type rect struct{ Left, Top, Right, Bottom int32 }
type wndClassEx struct {
CbSize, Style uint32
LpfnWndProc uintptr
CbClsExtra, CbWndExtra int32
HInstance, HIcon, HCursor, HbrBackground uintptr
LpszMenuName, LpszClassName *uint16
HIconSm uintptr
}
type pfd struct {
Size, Version uint16
Flags uint32
PixelType, ColorBits, RedBits, RedShift, GreenBits, GreenShift,
BlueBits, BlueShift, AlphaBits, AlphaShift, AccumBits, AccumRed,
AccumGreen, AccumBlue, AccumAlpha, DepthBits, StencilBits,
AuxBuffers, LayerType, Reserved byte
LayerMask, VisibleMask, DamageMask uint32
}
var (
wallpaperHwnd uintptr
glDC uintptr
glCtx uintptr
mouseX, mouseY float32
clickX, clickY float32
clickTime float64
screenW, screenH int32
startTime = float64(time.Now().UnixNano()) / 1e9
frameCount int
pixelBuf []byte
bmi bitmapInfoHeader
glUseProgram, glUniform1fv, glUniform2fv uintptr
useSwap bool
)
func main() {
runtime.LockOSThread()
log.SetFlags(log.Ltime | log.Lmicroseconds)
procSetProcessDPIAware.Call()
if len(os.Args) > 1 && os.Args[1] == "probe" {
probe()
return
}
screenW, screenH = getDesktopSize()
log.Printf("Desktop: %dx%d", screenW, screenH)
// Allocate pixel buffer for GDI blit
pixels := screenW * screenH * 4
pixelBuf = make([]byte, pixels)
log.Printf("Pixel buffer: %d bytes (%.1fMB)", pixels, float64(pixels)/1024/1024)
bmi = bitmapInfoHeader{
Size: uint32(unsafe.Sizeof(bitmapInfoHeader{})),
Width: screenW,
Height: screenH, // positive = bottom-up (matches GL)
Planes: 1,
BitCount: 32,
Compression: 0, // BI_RGB
}
mode := ""
if len(os.Args) > 1 {
mode = os.Args[1]
}
useSwap = len(os.Args) > 2 && os.Args[2] == "swap"
createWindow()
switch mode {
case "windowed":
// Diagnostic: skip embedding, show as normal fullscreen window
procMoveWindow.Call(wallpaperHwnd, 0, 0, uintptr(screenW), uintptr(screenH), 1)
log.Println("WINDOWED mode (no embed)")
default:
// 选择嵌入目标：progman 模式直接挂到 Progman（Win11 新内核），否则找 WorkerW
var target uintptr
switch mode {
case "progman", "progman-top":
target, _, _ = procFindWindowW.Call(uintptr(unsafe.Pointer(windows.StringToUTF16Ptr("Progman"))), 0)
var discard uintptr
procSendMsgTimeout.Call(target, 0x052C, 0xD, 0, 0x0000, 1000, uintptr(unsafe.Pointer(&discard)))
case "childww", "childww-top":
// Progman 的直接子 WorkerW —— 可能才是 DWM 合成的壁纸层
progman, _, _ := procFindWindowW.Call(uintptr(unsafe.Pointer(windows.StringToUTF16Ptr("Progman"))), 0)
var discard uintptr
procSendMsgTimeout.Call(progman, 0x052C, 0xD, 0, 0x0000, 1000, uintptr(unsafe.Pointer(&discard)))
target, _, _ = procFindWindowExW.Call(progman, 0, uintptr(unsafe.Pointer(windows.StringToUTF16Ptr("WorkerW"))), 0)
default:
target = findWorkerW()
}
if target == 0 {
log.Fatal("embed target not found")
}
procSetParent.Call(wallpaperHwnd, target)
procSetWindowLongPtrW.Call(wallpaperHwnd, GWL_STYLE, uintptr(WS_CHILD|WS_VISIBLE|WS_CLIPCHILDREN|WS_CLIPSIBLINGS))
procMoveWindow.Call(wallpaperHwnd, 0, 0, uintptr(screenW), uintptr(screenH), 1)
// *-top: 不置底（默认 z-order，盖住图标也认）用于验证子窗口能否上屏
// 其它: 置底到图标之下
if mode != "progman-top" && mode != "childww-top" {
procSetWindowPos.Call(wallpaperHwnd, HWND_BOTTOM, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE|SWP_FRAMECHANGED)
}
log.Printf("Embedded into target=%x mode=%s", target, mode)
}
initGL()
loadExtensions()
progID := setupShaders()
log.Println("Rendering...")
targetFPS := 30.0
frameInterval := 1.0 / targetFPS
lastFrame := 0.0
lastMove := 0.0
type msg struct {
HWnd uintptr
Message uint32
WParam uintptr
LParam uintptr
Time uint32
Pt struct{ X, Y int32 }
}
var m msg
for {
for {
r, _, _ := procPeekMessageW.Call(uintptr(unsafe.Pointer(&m)), 0, 0, 0, 1)
if r == 0 {
break
}
if m.Message == WM_QUIT {
cleanup()
return
}
switch m.Message {
case WM_MOUSEMOVE:
mouseX = float32(int16(m.LParam&0xFFFF)) / float32(screenW)
mouseY = 1.0 - float32(int16(m.LParam>>16)) / float32(screenH)
lastMove = now()
case WM_LBUTTONDOWN:
clickX = float32(int16(m.LParam&0xFFFF)) / float32(screenW)
clickY = 1.0 - float32(int16(m.LParam>>16)) / float32(screenH)
clickTime = now()
}
procTranslateMessage.Call(uintptr(unsafe.Pointer(&m)))
procDispatchMessageW.Call(uintptr(unsafe.Pointer(&m)))
}
t := now()
if t-lastFrame < frameInterval {
time.Sleep(time.Duration((frameInterval - (t - lastFrame)) * 0.8 * float64(time.Second)))
continue
}
lastFrame = t
if t-lastMove > 5.0 {
targetFPS = 10.0
} else {
targetFPS = 30.0
}
frameInterval = 1.0 / targetFPS
// GL render
glViewport.Call(0, 0, uintptr(screenW), uintptr(screenH))
glClear.Call(uintptr(GL_COLOR_BUFFER_BIT))
syscall.SyscallN(glUseProgram, uintptr(progID))
elapsed := float32(0)
if clickTime > 0 {
e := t - clickTime
if e < 3.0 {
elapsed = float32(e)
} else {
clickTime = 0
}
}
fTime := float32(t)
fScreen := [2]float32{float32(screenW), float32(screenH)}
syscall.SyscallN(glUniform1fv, uintptr(0), uintptr(1), uintptr(unsafe.Pointer(&fTime)))
syscall.SyscallN(glUniform2fv, uintptr(1), uintptr(1), uintptr(unsafe.Pointer(&fScreen[0])))
syscall.SyscallN(glUniform2fv, uintptr(2), uintptr(1), uintptr(unsafe.Pointer(&mouseX)))
syscall.SyscallN(glUniform1fv, uintptr(3), uintptr(1), uintptr(unsafe.Pointer(&elapsed)))
syscall.SyscallN(glUniform2fv, uintptr(4), uintptr(1), uintptr(unsafe.Pointer(&clickX)))
glDrawArrays.Call(GL_TRIANGLE_STRIP, 0, 4)
if useSwap {
// 双缓冲呈现：走 DWM flip，嵌入子窗口也能合成上屏
procSwapBuffers.Call(glDC)
} else {
glFinish.Call()
// Read framebuffer → GDI blit to window
glReadPixels.Call(0, 0, uintptr(screenW), uintptr(screenH), GL_RGBA, GL_UNSIGNED_BYTE, uintptr(unsafe.Pointer(&pixelBuf[0])))
winDC, _, _ := procGetDC.Call(wallpaperHwnd)
procSetDIBitsToDevice.Call(
winDC,
0, 0,
uintptr(screenW), uintptr(screenH),
0, 0,
0, uintptr(screenH),
uintptr(unsafe.Pointer(&pixelBuf[0])),
uintptr(unsafe.Pointer(&bmi)),
DIB_RGB_COLORS,
)
procReleaseDC.Call(wallpaperHwnd, winDC)
}
frameCount++
if frameCount <= 3 {
log.Printf("FRAME#%d swap=%v", frameCount, useSwap)
}
}
}
func loadExt(name string) uintptr {
cname, _ := windows.BytePtrFromString(name)
ptr, _, _ := procWglGetProcAddress.Call(uintptr(unsafe.Pointer(cname)))
if ptr == 0 {
log.Fatalf("ext not found: %s", name)
}
return ptr
}
func loadExtensions() {
glUseProgram = loadExt("glUseProgram")
glUniform1fv = loadExt("glUniform1fv")
glUniform2fv = loadExt("glUniform2fv")
}
func setupShaders() uint32 {
glCreateShader := loadExt("glCreateShader")
glShaderSource := loadExt("glShaderSource")
glCompileShader := loadExt("glCompileShader")
glGetShaderiv := loadExt("glGetShaderiv")
glGetShaderInfoLog := loadExt("glGetShaderInfoLog")
compile := func(st uint32, src string) uint32 {
s, _, _ := syscall.SyscallN(glCreateShader, uintptr(st))
cstr, _ := windows.BytePtrFromString(src)
p := uintptr(unsafe.Pointer(cstr))
syscall.SyscallN(glShaderSource, s, 1, uintptr(unsafe.Pointer(&p)), 0)
syscall.SyscallN(glCompileShader, s)
var status int32
syscall.SyscallN(glGetShaderiv, s, uintptr(GL_COMPILE_STATUS), uintptr(unsafe.Pointer(&status)))
if status == 0 {
var logLen int32
syscall.SyscallN(glGetShaderiv, s, uintptr(GL_INFO_LOG_LENGTH), uintptr(unsafe.Pointer(&logLen)))
if logLen > 0 {
logBuf := make([]byte, logLen)
syscall.SyscallN(glGetShaderInfoLog, s, uintptr(logLen), 0, uintptr(unsafe.Pointer(&logBuf[0])))
log.Fatalf("shader compile failed:\n%s", string(logBuf[:logLen]))
}
log.Fatal("shader compile failed (no info log)")
}
return uint32(s)
}
vs := compile(GL_VERTEX_SHADER, vertexSrc)
fs := compile(GL_FRAGMENT_SHADER, fragmentSrc)
glCreateProgram := loadExt("glCreateProgram")
prog, _, _ := syscall.SyscallN(glCreateProgram)
syscall.SyscallN(loadExt("glAttachShader"), prog, uintptr(vs))
syscall.SyscallN(loadExt("glAttachShader"), prog, uintptr(fs))
syscall.SyscallN(loadExt("glLinkProgram"), prog)
log.Println("Program:", prog)
var vao, vbo uint32
syscall.SyscallN(loadExt("glGenVertexArrays"), 1, uintptr(unsafe.Pointer(&vao)))
syscall.SyscallN(loadExt("glGenBuffers"), 1, uintptr(unsafe.Pointer(&vbo)))
quad := [8]float32{-1, -1, 1, -1, -1, 1, 1, 1}
syscall.SyscallN(loadExt("glBindVertexArray"), uintptr(vao))
syscall.SyscallN(loadExt("glBindBuffer"), uintptr(GL_ARRAY_BUFFER), uintptr(vbo))
syscall.SyscallN(loadExt("glBufferData"), uintptr(GL_ARRAY_BUFFER), uintptr(len(quad)*4), uintptr(unsafe.Pointer(&quad[0])), uintptr(GL_STATIC_DRAW))
syscall.SyscallN(loadExt("glEnableVertexAttribArray"), 0)
syscall.SyscallN(loadExt("glVertexAttribPointer"), 0, 2, uintptr(GL_FLOAT), 0, 0, 0)
return uint32(prog)
}
func createWindow() {
var hinstance windows.Handle
windows.GetModuleHandleEx(0, nil, &hinstance)
className, _ := windows.UTF16PtrFromString("GLWallpaper")
wndProc := windows.NewCallback(func(hwnd uintptr, msg uint32, wp, lp uintptr) uintptr {
if msg == WM_DESTROY || msg == WM_CLOSE {
procPostQuitMessage.Call(0)
return 0
}
ret, _, _ := procDefWindowProcW.Call(hwnd, uintptr(msg), wp, lp)
return ret
})
wc := wndClassEx{
CbSize: uint32(unsafe.Sizeof(wndClassEx{})),
LpfnWndProc: wndProc,
HInstance: uintptr(hinstance),
LpszClassName: className,
}
procRegisterClassExW.Call(uintptr(unsafe.Pointer(&wc)))
windowName, _ := windows.UTF16PtrFromString("GLWallpaper")
wallpaperHwnd, _, _ = procCreateWindowExW.Call(
0, uintptr(unsafe.Pointer(className)), uintptr(unsafe.Pointer(windowName)),
WS_POPUP|WS_VISIBLE, 0, 0, uintptr(screenW), uintptr(screenH),
0, 0, uintptr(hinstance), 0,
)
if wallpaperHwnd == 0 {
log.Fatal("CreateWindow failed")
}
procShowWindow.Call(wallpaperHwnd, 5)
log.Println("Window:", wallpaperHwnd)
}
func initGL() {
glDC, _, _ = procGetDC.Call(wallpaperHwnd)
if glDC == 0 {
log.Fatal("GetDC failed")
}
flags := uint32(PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL)
if useSwap {
flags |= PFD_DOUBLEBUFFER
}
desc := pfd{Size: uint16(unsafe.Sizeof(pfd{})), Version: 1, Flags: flags, PixelType: 0, ColorBits: 32, DepthBits: 24}
pf, _, _ := procChoosePixelFormat.Call(glDC, uintptr(unsafe.Pointer(&desc)))
if pf == 0 {
log.Fatal("ChoosePixelFormat failed")
}
ok, _, _ := procSetPixelFormat.Call(glDC, pf, uintptr(unsafe.Pointer(&desc)))
if ok == 0 {
log.Fatal("SetPixelFormat failed")
}
glCtx, _, _ = procWglCreateContext.Call(glDC)
if glCtx == 0 {
log.Fatal("wglCreateContext failed")
}
mcR, _, _ := procWglMakeCurrent.Call(glDC, glCtx)
ver, _, _ := glGetString.Call(GL_VERSION)
log.Printf("MakeCurrent=%d GL=%s", mcR, windows.BytePtrToString((*byte)(unsafe.Pointer(ver))))
}
func cleanup() {
if glCtx != 0 {
procWglMakeCurrent.Call(0, 0)
procWglDeleteContext.Call(glCtx)
}
if glDC != 0 {
procReleaseDC.Call(wallpaperHwnd, glDC)
}
}
func classOf(hwnd uintptr) string {
buf := make([]uint16, 256)
procGetClassNameW.Call(hwnd, uintptr(unsafe.Pointer(&buf[0])), 256)
return windows.UTF16ToString(buf)
}
func enumTops(tag string) {
cb := windows.NewCallback(func(hwnd, _ uintptr) uintptr {
cls := classOf(hwnd)
if cls == "WorkerW" || cls == "Progman" {
dv, _, _ := procFindWindowExW.Call(hwnd, 0, uintptr(unsafe.Pointer(windows.StringToUTF16Ptr("SHELLDLL_DefView"))), 0)
var r rect
procGetWindowRect.Call(hwnd, uintptr(unsafe.Pointer(&r)))
full := ""
if r.Right-r.Left == screenW && r.Bottom-r.Top == screenH {
full = " <FULLSCREEN>"
}
log.Printf("[%s] hwnd=%x class=%-8s DefView=%x rect=(%d,%d,%d,%d)%s", tag, hwnd, cls, dv, r.Left, r.Top, r.Right, r.Bottom, full)
}
return 1
})
procEnumWindows.Call(cb, 0)
}
// probe 用权威参数 WPARAM=0xD 发消息，多轮观察 WorkerW 是否分离出来
func probe() {
screenW, screenH = getDesktopSize()
progman, _, _ := procFindWindowW.Call(uintptr(unsafe.Pointer(windows.StringToUTF16Ptr("Progman"))), 0)
log.Printf("Progman=%x screen=%dx%d", progman, screenW, screenH)
var discard uintptr
procSendMsgTimeout.Call(progman, 0x052C, 0xD, 0, 0x0000, 1000, uintptr(unsafe.Pointer(&discard)))
procSendMsgTimeout.Call(progman, 0x052C, 0xD, 1, 0x0000, 1000, uintptr(unsafe.Pointer(&discard)))
log.Println("sent 0x052C WPARAM=0xD (LPARAM 0 and 1)")
for i := 0; i < 4; i++ {
time.Sleep(300 * time.Millisecond)
log.Printf("--- round %d ---", i)
enumTops("top")
}
}
func findWorkerW() uintptr {
progman, _, _ := procFindWindowW.Call(uintptr(unsafe.Pointer(windows.StringToUTF16Ptr("Progman"))), 0)
if progman == 0 {
return 0
}
var discard uintptr
procSendMsgTimeout.Call(progman, 0x052C, 0, 0, 0x0000, 1000, uintptr(unsafe.Pointer(&discard)))
sdv, _, _ := procFindWindowExW.Call(progman, 0, uintptr(unsafe.Pointer(windows.StringToUTF16Ptr("SHELLDLL_DefView"))), 0)
if sdv != 0 {
ww, _, _ := procFindWindowExW.Call(progman, sdv, uintptr(unsafe.Pointer(windows.StringToUTF16Ptr("WorkerW"))), 0)
if ww != 0 {
return ww
}
}
ww, _, _ := procFindWindowExW.Call(progman, 0, uintptr(unsafe.Pointer(windows.StringToUTF16Ptr("WorkerW"))), 0)
return ww
}
func getDesktopSize() (int32, int32) {
var mr, mb int32
cb := windows.NewCallback(func(_, _, lprc, _ uintptr) uintptr {
r := (*rect)(unsafe.Pointer(lprc))
if r.Right > mr {
mr = r.Right
}
if r.Bottom > mb {
mb = r.Bottom
}
return 1
})
procEnumDisplayMonitors.Call(0, 0, cb, 0)
return mr, mb
}
func now() float64 { return float64(time.Now().UnixNano())/1e9 - startTime }

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docs/backup-opengl/shader.go.bak Normal file
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package main
const vertexSrc = `#version 430 core
in vec2 a_pos;
void main() { gl_Position = vec4(a_pos, 0.0, 1.0); }
`
const fragmentSrc = `#version 430 core
out vec4 FragColor;
void main() {
FragColor = vec4(0.0, 1.0, 0.0, 1.0);
}
`

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docs/backup-opengl/shader_opengl.go.txt Normal file
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package main
const vertexSrc = `#version 430 core
in vec2 a_pos;
void main() { gl_Position = vec4(a_pos, 0.0, 1.0); }
`
const fragmentSrc = `#version 430 core
out vec4 FragColor;
void main() {
FragColor = vec4(0.0, 1.0, 0.0, 1.0);
}
`