private void onTextEntered(SDL_TextInputEvent args)
{
var text = "";
unsafe
{
text = Encoding.UTF8.GetString(args.text, 32);
}
this.text.AddRange(text);
}
/// <summary>
/// Handles SDL2's TEXTINPUT event.
/// </summary>
private unsafe void OnTextInput(ref SDL_TextInputEvent evt)
{
var window = Ultraviolet.GetPlatform().Windows.GetByID((int)evt.windowID);
fixed(byte *input = evt.text)
{
if (ConvertTextInputToUtf16(input))
{
OnTextInput(window);
}
}
}
private static string GetText(SDL_TextInputEvent textEvent)
{
unsafe
{
var i = 0;
var data = new byte[SDL_TEXTINPUTEVENT_TEXT_SIZE];
for (; i < SDL_TEXTINPUTEVENT_TEXT_SIZE; i++)
{
var b = textEvent.text[i];
if (b == '\0')
break;
data[i] = b;
}
return Encoding.UTF8.GetString(data, 0, i);
}
}
/// <summary>
/// 处理TextInput事件
/// </summary>
private static unsafe void HandleTextInputEvent(SDL_TextInputEvent e)
{
uint byteCount = 0;
// Loop until the null terminator is found or the max size is reached.
while (byteCount < SDL_TextInputEvent.MaxTextSize && e.text[byteCount++] != 0)
{
}
if (byteCount > 1)
{
// We don't want the null terminator.
byteCount -= 1;
int charCount = Encoding.UTF8.GetCharCount(e.text, (int)byteCount);
char * charsPtr = stackalloc char[charCount];
var syt = Encoding.UTF8.GetString(e.text, (int)byteCount);
string input_text = syt;
CefRange range = new CefRange();
range.From = -1;
_host.ImeCommitText(input_text, range, 0);
}
}
/// <summary>
/// 直接转换相关事件
/// </summary>
/// <param name="ev"></param>
public static unsafe void HandleEvent(SDL_Event *ev)
{
if (_host == null)
{
return;
}
switch (ev->type)
{
case SDL_EventType.Quit:
//Close();
break;
case SDL_EventType.Terminating:
//Close();
break;
case SDL_EventType.WindowEvent:
//SDL_WindowEvent windowEvent = Unsafe.Read<SDL_WindowEvent>(ev);
//HandleWindowEvent(windowEvent);
break;
case SDL_EventType.KeyDown:
case SDL_EventType.KeyUp:
SDL_KeyboardEvent keyboardEvent = Unsafe.Read <SDL_KeyboardEvent>(ev);
HandleKeyboardEvent(keyboardEvent);
break;
case SDL_EventType.TextEditing:
break;
case SDL_EventType.TextInput:
SDL_TextInputEvent textInputEvent = Unsafe.Read <SDL_TextInputEvent>(ev);
HandleTextInputEvent(textInputEvent);
break;
case SDL_EventType.KeyMapChanged:
break;
case SDL_EventType.MouseMotion:
SDL_MouseMotionEvent mouseMotionEvent = Unsafe.Read <SDL_MouseMotionEvent>(ev);
HandleMouseMotionEvent(mouseMotionEvent);
break;
case SDL_EventType.MouseButtonDown:
case SDL_EventType.MouseButtonUp:
SDL_MouseButtonEvent mouseButtonEvent = Unsafe.Read <SDL_MouseButtonEvent>(ev);
HandleMouseButtonEvent(mouseButtonEvent);
break;
case SDL_EventType.MouseWheel:
SDL_MouseWheelEvent mouseWheelEvent = Unsafe.Read <SDL_MouseWheelEvent>(ev);
HandleMouseWheelEvent(mouseWheelEvent);
break;
case SDL_EventType.JoyAxisMotion:
break;
case SDL_EventType.JoyBallMotion:
break;
case SDL_EventType.JoyHatMotion:
break;
case SDL_EventType.JoyButtonDown:
break;
case SDL_EventType.JoyButtonUp:
break;
case SDL_EventType.JoyDeviceAdded:
break;
case SDL_EventType.JoyDeviceRemoved:
break;
case SDL_EventType.ControllerAxisMotion:
break;
case SDL_EventType.ControllerButtonDown:
break;
case SDL_EventType.ControllerButtonUp:
break;
case SDL_EventType.ControllerDeviceAdded:
break;
case SDL_EventType.ControllerDeviceRemoved:
break;
case SDL_EventType.ControllerDeviceRemapped:
break;
case SDL_EventType.FingerDown:
break;
case SDL_EventType.FingerUp:
break;
case SDL_EventType.FingerMotion:
break;
case SDL_EventType.DollarGesture:
break;
case SDL_EventType.DollarRecord:
break;
case SDL_EventType.MultiGesture:
break;
case SDL_EventType.ClipboardUpdate:
break;
case SDL_EventType.DropFile:
break;
case SDL_EventType.DropTest:
break;
case SDL_EventType.DropBegin:
break;
case SDL_EventType.DropComplete:
break;
case SDL_EventType.AudioDeviceAdded:
break;
case SDL_EventType.AudioDeviceRemoved:
break;
case SDL_EventType.RenderTargetsReset:
break;
case SDL_EventType.RenderDeviceReset:
break;
case SDL_EventType.UserEvent:
break;
case SDL_EventType.LastEvent:
break;
default:
// Ignore
break;
}
}
