绝尘
a804db3579
- main.go: 入口+单实例互斥锁 - win32.go: Win32 API/embed/evalJS/全局变量 - config.go: 配置读写+图标生成 - weather.go: 天气API/定位/天气循环 - systray.go: 托盘菜单/WebView/全屏监控 - wallpaper.html → web/wallpaper.html
85 lines
2.4 KiB
Go
85 lines
2.4 KiB
Go
package main
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import (
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"embed"
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"log"
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"unsafe"
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"github.com/jchv/go-webview2"
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"golang.org/x/sys/windows"
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)
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//go:embed web/wallpaper.html
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var fs embed.FS
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var (
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user32 = windows.NewLazySystemDLL("user32.dll")
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procFindWindowW = user32.NewProc("FindWindowW")
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procFindWindowExW = user32.NewProc("FindWindowExW")
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procSendMessageTimeoutW = user32.NewProc("SendMessageTimeoutW")
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procSetParent = user32.NewProc("SetParent")
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procGetForegroundWindow = user32.NewProc("GetForegroundWindow")
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procGetWindowRect = user32.NewProc("GetWindowRect")
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procGetSystemMetrics = user32.NewProc("GetSystemMetrics")
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procMoveWindow = user32.NewProc("MoveWindow")
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procShowWindow = user32.NewProc("ShowWindow")
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procSetProcessDPIAware = user32.NewProc("SetProcessDPIAware")
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procSetWindowLongPtrW = user32.NewProc("SetWindowLongPtrW")
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procGetMessageW = user32.NewProc("GetMessageW")
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procPostMessageW = user32.NewProc("PostMessageW")
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procTranslateMessage = user32.NewProc("TranslateMessage")
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procDispatchMessageW = user32.NewProc("DispatchMessageW")
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)
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var wv webview2.WebView
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var wvHwnd uintptr
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var jsQueue = make(chan string, 64)
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var paused int32
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const wmEvalJS = 0x0401
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func evalJS(js string) {
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select {
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case jsQueue <- js:
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log.Println("evalJS queued:", js[:min(len(js), 60)])
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default:
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log.Println("jsQueue full, dropping eval")
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}
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if wvHwnd != 0 {
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procPostMessageW.Call(wvHwnd, wmEvalJS, 0, 0)
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}
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}
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func min(a, b int) int {
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if a < b {
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return a
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}
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return b
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}
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func findWorkerW() uintptr {
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progman, _, _ := procFindWindowW.Call(
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uintptr(unsafe.Pointer(windows.StringToUTF16Ptr("Progman"))), 0)
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if progman == 0 {
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return 0
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}
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var result uintptr
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procSendMessageTimeoutW.Call(progman, 0x052C, 0, 0, 0x0000, 1000, uintptr(unsafe.Pointer(&result)))
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shellDefView, _, _ := procFindWindowExW.Call(progman, 0,
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uintptr(unsafe.Pointer(windows.StringToUTF16Ptr("SHELLDLL_DefView"))), 0)
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workerwAfterShell, _, _ := procFindWindowExW.Call(progman, shellDefView,
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uintptr(unsafe.Pointer(windows.StringToUTF16Ptr("WorkerW"))), 0)
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if workerwAfterShell != 0 {
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return workerwAfterShell
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}
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ww, _, _ := procFindWindowExW.Call(progman, 0,
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uintptr(unsafe.Pointer(windows.StringToUTF16Ptr("WorkerW"))), 0)
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return ww
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}
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func getScreenSize() (int32, int32) {
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w, _, _ := procGetSystemMetrics.Call(0)
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h, _, _ := procGetSystemMetrics.Call(1)
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return int32(w), int32(h)
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}
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