func MustRegisterTransparentWindowClass(className string) {
hInstance := win.GetModuleHandle(nil)
if hInstance == 0 {
panic("GetModuleHandle")
}
fmt.Printf("MustRegisterTransparentWindowClass hInstance=%v\n", hInstance)
//hIcon := win.LoadIcon(hInstance, (*uint16)(unsafe.Pointer(uintptr(win.IDI_APPLICATION))))
hIcon, _ := NewIconFromResource(hInstance, ICON_MAIN)
if hIcon == 0 {
panic("LoadIcon")
}
hCursor := win.LoadCursor(0, (*uint16)(unsafe.Pointer(uintptr(win.IDC_ARROW))))
if hCursor == 0 {
panic("LoadCursor")
}
var wc win.WNDCLASSEX
wc.CbSize = uint32(unsafe.Sizeof(wc))
wc.LpfnWndProc = transparentWndProc
wc.HInstance = hInstance
wc.HIcon = hIcon
wc.HCursor = hCursor
wc.HbrBackground = win.BS_SOLID //win.BS_SOLID//win.COLOR_WINDOW + 1 //COLOR_BTNFACE
wc.LpszClassName = syscall.StringToUTF16Ptr(className)
if atom := win.RegisterClassEx(&wc); atom == 0 {
panic("RegisterClassEx")
}
}
func init() {
hInst := win.GetModuleHandle(nil)
if hInst == 0 {
panic("GetModuleHandle")
}
gWindowRegistry = make(map[win.HWND]Window)
}
func init() {
hInstance := win.GetModuleHandle(nil)
if hInstance == 0 {
panic("GetModuleHandle")
}
MustRegisterWindowClass(nguiWindowClass)
windowHolders = make(map[string]win.HWND)
manifest.Load()
}
// NewIconFromResource returns a new Icon, using the specified icon resource.
func NewIconFromResource(resName string) (ic *Icon, err error) {
hInst := win.GetModuleHandle(nil)
if hInst == 0 {
err = errors.New("GetModuleHandle")
return
}
if hIcon := win.LoadIcon(hInst, syscall.StringToUTF16Ptr(resName)); hIcon == 0 {
err = errors.New("LoadIcon")
} else {
ic = &Icon{hIcon: hIcon}
}
return
}
func init() {
hInstance := win.GetModuleHandle(nil)
if hInstance == 0 {
panic("GetModuleHandle")
}
}