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Go: rangement des 45 fichiers par domaine (cli_/web_/chat_/llm_/backend_/relay_/sys_) + doc.go carte du code - renommages purs (git mv) + maj des noms cites en commentaires, zero changement de code
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@@ -0,0 +1,271 @@
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//go:build windows
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package main
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// sys_splash_windows.go — écran de démarrage « Lancement de Jean… ».
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//
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// Petite fenêtre sans bordure, à coins arrondis, aux couleurs de la marque
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// (fond bleu #1f6feb, logo « j » blanc, texte blanc), affichée le temps que le
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// serveur monte et que le navigateur s'ouvre. Rendu GDI (pur syscall, aucun
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// CGO). Elle tourne sur son propre thread avec sa boucle de messages ; close()
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// lui envoie WM_CLOSE.
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import (
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"runtime"
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"sync"
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"syscall"
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"unsafe"
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)
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const (
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splashW = 440
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splashH = 150
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)
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var (
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u32s = syscall.NewLazyDLL("user32.dll")
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g32s = syscall.NewLazyDLL("gdi32.dll")
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k32s = syscall.NewLazyDLL("kernel32.dll")
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pRegisterClassExW = u32s.NewProc("RegisterClassExW")
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pCreateWindowExW = u32s.NewProc("CreateWindowExW")
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pDefWindowProcW = u32s.NewProc("DefWindowProcW")
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pShowWindow = u32s.NewProc("ShowWindow")
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pUpdateWindow = u32s.NewProc("UpdateWindow")
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pGetMessageW = u32s.NewProc("GetMessageW")
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pTranslateMessage = u32s.NewProc("TranslateMessage")
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pDispatchMessageW = u32s.NewProc("DispatchMessageW")
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pPostQuitMessage = u32s.NewProc("PostQuitMessage")
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pDestroyWindow = u32s.NewProc("DestroyWindow")
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pPostMessageW = u32s.NewProc("PostMessageW")
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pBeginPaint = u32s.NewProc("BeginPaint")
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pEndPaint = u32s.NewProc("EndPaint")
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pFillRect = u32s.NewProc("FillRect")
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pDrawTextW = u32s.NewProc("DrawTextW")
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pGetSystemMetrics = u32s.NewProc("GetSystemMetrics")
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pLoadCursorW = u32s.NewProc("LoadCursorW")
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pSetWindowRgn = u32s.NewProc("SetWindowRgn")
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pCreateSolidBrush = g32s.NewProc("CreateSolidBrush")
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pDeleteObject = g32s.NewProc("DeleteObject")
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pCreateFontW = g32s.NewProc("CreateFontW")
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pSelectObject = g32s.NewProc("SelectObject")
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pSetTextColor = g32s.NewProc("SetTextColor")
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pSetBkMode = g32s.NewProc("SetBkMode")
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pCreateRoundRectRgn = g32s.NewProc("CreateRoundRectRgn")
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pGetModuleHandleW = k32s.NewProc("GetModuleHandleW")
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splashClassOnce sync.Once
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splashProc = syscall.NewCallback(splashWndProc)
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)
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type rect struct{ left, top, right, bottom int32 }
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type point struct{ x, y int32 }
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type msg struct {
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hwnd uintptr
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message uint32
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wParam uintptr
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lParam uintptr
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time uint32
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pt point
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}
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type paintStruct struct {
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hdc uintptr
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fErase int32
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rcPaint rect
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fRestore int32
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fIncUpdate int32
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rgbReserved [32]byte
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}
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type wndClassExW struct {
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cbSize uint32
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style uint32
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lpfnWndProc uintptr
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cbClsExtra int32
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cbWndExtra int32
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hInstance uintptr
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hIcon uintptr
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hCursor uintptr
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hbrBackground uintptr
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lpszMenuName *uint16
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lpszClassName *uint16
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hIconSm uintptr
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}
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const (
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colBlue = 0x00EB6F1F // COLORREF = 0x00BBGGRR pour #1f6feb
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colWhite = 0x00FFFFFF
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)
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type splash struct{ hwnd uintptr }
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func showSplash(text string) *splash {
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s := &splash{}
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ready := make(chan uintptr, 1)
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go func() {
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runtime.LockOSThread()
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defer runtime.UnlockOSThread()
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hwnd := createSplashWindow()
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ready <- hwnd
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if hwnd != 0 {
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pumpMessages()
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}
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}()
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s.hwnd = <-ready
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return s
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}
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func (s *splash) close() {
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if s == nil || s.hwnd == 0 {
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return
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}
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const wmClose = 0x0010
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pPostMessageW.Call(s.hwnd, wmClose, 0, 0)
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}
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func createSplashWindow() uintptr {
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className, _ := syscall.UTF16PtrFromString("JeanSplash")
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hInst, _, _ := pGetModuleHandleW.Call(0)
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splashClassOnce.Do(func() {
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idcArrow := uintptr(32512)
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cursor, _, _ := pLoadCursorW.Call(0, idcArrow)
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wc := wndClassExW{
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lpfnWndProc: splashProc,
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hInstance: hInst,
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hCursor: cursor,
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lpszClassName: className,
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}
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wc.cbSize = uint32(unsafe.Sizeof(wc))
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pRegisterClassExW.Call(uintptr(unsafe.Pointer(&wc)))
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})
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const (
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wsPopup = 0x80000000
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exTopmost = 0x00000008
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exToolwindow = 0x00000080
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smCX = 0
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smCY = 1
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)
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cx, _, _ := pGetSystemMetrics.Call(smCX)
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cy, _, _ := pGetSystemMetrics.Call(smCY)
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x := (int(cx) - splashW) / 2
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y := (int(cy) - splashH) / 2
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title, _ := syscall.UTF16PtrFromString("Jean")
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hwnd, _, _ := pCreateWindowExW.Call(
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uintptr(exTopmost|exToolwindow),
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uintptr(unsafe.Pointer(className)),
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uintptr(unsafe.Pointer(title)),
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uintptr(uint32(wsPopup)),
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uintptr(x), uintptr(y), uintptr(splashW), uintptr(splashH),
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0, 0, hInst, 0,
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)
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if hwnd == 0 {
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return 0
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}
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// Coins arrondis.
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rgn, _, _ := pCreateRoundRectRgn.Call(0, 0, splashW+1, splashH+1, 22, 22)
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pSetWindowRgn.Call(hwnd, rgn, 1)
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const swShowNoActivate = 4
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pShowWindow.Call(hwnd, swShowNoActivate)
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pUpdateWindow.Call(hwnd)
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return hwnd
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}
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func pumpMessages() {
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var m msg
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for {
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r, _, _ := pGetMessageW.Call(uintptr(unsafe.Pointer(&m)), 0, 0, 0)
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if int32(r) <= 0 { // 0 = WM_QUIT, -1 = erreur
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return
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}
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pTranslateMessage.Call(uintptr(unsafe.Pointer(&m)))
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pDispatchMessageW.Call(uintptr(unsafe.Pointer(&m)))
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}
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}
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func splashWndProc(hwnd, message, wParam, lParam uintptr) uintptr {
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const (
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wmDestroy = 0x0002
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wmClose = 0x0010
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wmPaint = 0x000F
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)
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switch message {
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case wmPaint:
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var ps paintStruct
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hdc, _, _ := pBeginPaint.Call(hwnd, uintptr(unsafe.Pointer(&ps)))
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paintSplash(hdc)
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pEndPaint.Call(hwnd, uintptr(unsafe.Pointer(&ps)))
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return 0
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case wmClose:
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pDestroyWindow.Call(hwnd)
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return 0
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case wmDestroy:
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pPostQuitMessage.Call(0)
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return 0
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}
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r, _, _ := pDefWindowProcW.Call(hwnd, message, wParam, lParam)
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return r
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}
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func paintSplash(hdc uintptr) {
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// Fond bleu.
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blue, _, _ := pCreateSolidBrush.Call(colBlue)
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full := rect{0, 0, splashW, splashH}
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pFillRect.Call(hdc, uintptr(unsafe.Pointer(&full)), blue)
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pDeleteObject.Call(blue)
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// Logo « j » blanc (rects du favicon sur grille 12, mis à l'échelle).
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white, _, _ := pCreateSolidBrush.Call(colWhite)
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const logo = 58
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ox, oy := int32(40), int32((splashH-logo)/2)
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scale := float64(logo) / 12
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for _, rc := range [][4]float64{{6, 3, 2, 2}, {6, 5, 2, 2}, {4, 7, 2, 2}} {
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r := rect{
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left: ox + int32(rc[0]*scale),
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top: oy + int32(rc[1]*scale),
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right: ox + int32((rc[0]+rc[2])*scale),
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bottom: oy + int32((rc[1]+rc[3])*scale),
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}
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pFillRect.Call(hdc, uintptr(unsafe.Pointer(&r)), white)
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}
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pDeleteObject.Call(white)
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// Textes (blanc, fond transparent).
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const transparent = 1
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pSetBkMode.Call(hdc, transparent)
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pSetTextColor.Call(hdc, colWhite)
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textX := ox + logo + 26
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drawText(hdc, "Jean", -30, 700, rect{textX, 40, splashW - 20, 82})
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drawText(hdc, "Lancement en cours…", -17, 400, rect{textX, 84, splashW - 20, 118})
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}
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func drawText(hdc uintptr, s string, height, weight int32, r rect) {
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face, _ := syscall.UTF16PtrFromString("Segoe UI")
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const (
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defaultCharset = 1
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cleartypeQuality = 5
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)
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font, _, _ := pCreateFontW.Call(
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uintptr(height), 0, 0, 0, uintptr(weight),
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0, 0, 0, defaultCharset, 0, 0, cleartypeQuality, 0,
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uintptr(unsafe.Pointer(face)),
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)
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old, _, _ := pSelectObject.Call(hdc, font)
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txt, _ := syscall.UTF16PtrFromString(s)
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const (
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dtLeft = 0x0000
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dtSingleline = 0x0020
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dtVcenter = 0x0004
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dtNoclip = 0x0100
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)
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rc := r
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pDrawTextW.Call(hdc, uintptr(unsafe.Pointer(txt)), ^uintptr(0),
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uintptr(unsafe.Pointer(&rc)), dtLeft|dtSingleline|dtVcenter|dtNoclip)
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pSelectObject.Call(hdc, old)
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pDeleteObject.Call(font)
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}
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