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55 lines
2.2 KiB
Go
55 lines
2.2 KiB
Go
package main
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import (
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"embed"
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"fmt"
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"github.com/energye/energy/v2/cef"
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"github.com/energye/energy/v2/cef/winapi"
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"github.com/energye/energy/v2/pkgs/assetserve"
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"github.com/energye/energy/v2/types"
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"github.com/energye/golcl/lcl/types/colors"
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"github.com/energye/golcl/lcl/win"
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)
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//go:embed resources
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var resources embed.FS
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func main() {
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cef.GlobalInit(nil, nil)
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cefApp := cef.NewApplication()
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cef.BrowserWindow.Config.Url = "http://localhost:22022/index.html"
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cef.BrowserWindow.Config.EnableHideCaption = true
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cef.BrowserWindow.Config.AlwaysOnTop = true
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cef.BrowserWindow.Config.Width = 400
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cef.BrowserWindow.Config.Height = 450
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cef.SetBrowserProcessStartAfterCallback(func(b bool) {
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fmt.Println("主进程启动 创建一个内置http服务")
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//通过内置http服务加载资源
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server := assetserve.NewAssetsHttpServer()
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server.PORT = 22022 //服务端口号
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server.AssetsFSName = "resources" //必须设置目录名和资源文件夹同名
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server.Assets = &resources
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go server.StartHttpServer()
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})
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cef.BrowserWindow.SetBrowserInit(func(event *cef.BrowserEvent, window cef.IBrowserWindow) {
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WindowTransparent(types.HWND(window.Handle()))
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})
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cef.Run(cefApp)
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}
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//WindowTransparent 窗口透明组件不透明设置
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func WindowTransparent(hWnd types.HWND) {
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//SetWindowLong（Handle， GWL_EXSTYLE， GetWindowLong（Handle， GWL_EXSTYLE） or WS_EX_LAYERED）
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//SetLayeredWindowAttributes（Handle，clWhite，255，LWA_COLORKEY）;
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exStyle := winapi.WinGetWindowLong(hWnd, win.GWL_EXSTYLE)
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exStyle = exStyle | win.WS_EX_LAYERED //win.WS_EX_LAYERED&^win.WS_EX_TRANSPARENT // or WS_EX_TRANSPARENT;
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winapi.WinSetWindowLong(hWnd, win.GWL_EXSTYLE, exStyle)
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win.SetLayeredWindowAttributes(hWnd.ToPtr(), //指定分层窗口句柄
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colors.ClWhite, //crKey指定需要透明的背景颜色值，可用RGB()宏 0-255
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255, //bAlpha设置透明度，0表示完全透明，255表示不透明
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win.LWA_COLORKEY) //LWA_ALPHA: crKey无效，bAlpha有效；
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//win.LWA_ALPHA|win.LWA_COLORKEY) //LWA_ALPHA: crKey无效，bAlpha有效；
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//LWA_COLORKEY：窗体中的所有颜色为crKey的地方全透明，bAlpha无效。
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//LWA_ALPHA | LWA_COLORKEY：crKey的地方全透明，其它地方根据bAlpha确定透明度
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}
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