tam add chat

client/internal/winapi/window_windows.go

@@ -0,0 +1,91 @@
+//go:build windows
+
+package winapi
+
+import (
+	"strings"
+	"syscall"
+	"time"
+	"unsafe"
+)
+
+var (
+	user32Window              = syscall.NewLazyDLL("user32.dll")
+	procFindWindowW           = user32Window.NewProc("FindWindowW")
+	procEnumWindows           = user32Window.NewProc("EnumWindows")
+	procGetWindowTextW        = user32Window.NewProc("GetWindowTextW")
+	procIsWindowVisible       = user32Window.NewProc("IsWindowVisible")
+	procShowWindow            = user32Window.NewProc("ShowWindow")
+	procSetForegroundWindow   = user32Window.NewProc("SetForegroundWindow")
+	procFlashWindowEx         = user32Window.NewProc("FlashWindowEx")
+	procMessageBeep           = user32Window.NewProc("MessageBeep")
+)
+
+const (
+	swRestore = 9
+)
+
+type flashwinfo struct {
+	cbSize    uint32
+	hwnd      uintptr
+	dwFlags   uint32
+	uCount    uint32
+	dwTimeout uint32
+}
+
+// ActivateAppWindow — đưa cửa sổ app lên trước + nhấp nháy taskbar
+func ActivateAppWindow(titleHint string) {
+	hwnd := findWindowByTitleContains(titleHint)
+	if hwnd == 0 {
+		return
+	}
+	_, _, _ = procShowWindow.Call(hwnd, swRestore)
+	_, _, _ = procSetForegroundWindow.Call(hwnd)
+	var fi flashwinfo
+	fi.cbSize = uint32(unsafe.Sizeof(fi))
+	fi.hwnd = hwnd
+	fi.dwFlags = 0x0000000E // FLASHW_ALL | FLASHW_TIMERNOFG
+	fi.uCount = 4
+	fi.dwTimeout = 0
+	_, _, _ = procFlashWindowEx.Call(uintptr(unsafe.Pointer(&fi)))
+}
+
+// PlayNotifySound — beep hệ thống Windows (không phụ thuộc autoplay trình duyệt)
+func PlayNotifySound() {
+	_, _, _ = procMessageBeep.Call(0x00000040) // MB_ICONASTERISK
+	time.Sleep(120 * time.Millisecond)
+	_, _, _ = procMessageBeep.Call(0xFFFFFFFF) // MB_OK
+}
+
+var enumTargetTitle string
+var enumFoundHwnd uintptr
+
+var enumWindowsCallback = syscall.NewCallback(func(hwnd uintptr, lParam uintptr) uintptr {
+	ret, _, _ := procIsWindowVisible.Call(hwnd)
+	if ret == 0 {
+		return 1
+	}
+	buf := make([]uint16, 256)
+	_, _, _ = procGetWindowTextW.Call(hwnd, uintptr(unsafe.Pointer(&buf[0])), 256)
+	title := syscall.UTF16ToString(buf)
+	if title != "" && strings.Contains(strings.ToLower(title), strings.ToLower(enumTargetTitle)) {
+		enumFoundHwnd = hwnd
+		return 0
+	}
+	return 1
+})
+
+func findWindowByTitleContains(hint string) uintptr {
+	if hint == "" {
+		return 0
+	}
+	titlePtr, _ := syscall.UTF16PtrFromString(hint)
+	hwnd, _, _ := procFindWindowW.Call(0, uintptr(unsafe.Pointer(titlePtr)))
+	if hwnd != 0 {
+		return hwnd
+	}
+	enumTargetTitle = hint
+	enumFoundHwnd = 0
+	_, _, _ = procEnumWindows.Call(enumWindowsCallback, 0)
+	return enumFoundHwnd
+}