GEM_EXTERN void dispatchGemWindowMessages(WindowInfo &win)
{
SDL_Event event;
while (SDL_PollEvent(&event))
{
switch (event.type)
{
case SDL_QUIT:
// ignore
break;
case SDL_WINDOWEVENT:
switch (event.window.event)
{
case SDL_WINDOWEVENT_CLOSE:
// ignore
break;
case SDL_WINDOWEVENT_RESIZED:
case SDL_WINDOWEVENT_SIZE_CHANGED:
triggerResizeEvent(event.window.data1, event.window.data2);
break;
}
break;
case SDL_KEYDOWN:
case SDL_KEYUP:
triggerKeyboardEvent
( key2symbol(event.key.keysym.sym).c_str()
, event.key.keysym.scancode
, event.type == SDL_KEYDOWN
);
break;
case SDL_MOUSEBUTTONDOWN:
case SDL_MOUSEBUTTONUP:
triggerButtonEvent
( event.button.button == SDL_BUTTON_LEFT ? 0
: event.button.button == SDL_BUTTON_MIDDLE ? 1
: event.button.button == SDL_BUTTON_RIGHT ? 2
: event.button.button // FIXME
, event.type == SDL_MOUSEBUTTONDOWN
, event.button.x
, event.button.y
);
break;
case SDL_MOUSEMOTION:
triggerMotionEvent(event.motion.x, event.motion.y);
break;
case SDL_MOUSEWHEEL: // FIXME
if (event.wheel.y != 0) triggerWheelEvent(0, event.wheel.y);
if (event.wheel.x != 0) triggerWheelEvent(1, event.wheel.x);
break;
}
}
}
/////////////////////////////////////////////////////////
// MainWndProc
//
/////////////////////////////////////////////////////////
LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
static RECT rcClient;
static int ctrlKeyDown = 0;
// assume that we handle the message
long lRet = 0;
switch (uMsg)
{
// mouse motion
case WM_MOUSEMOVE:
triggerMotionEvent(LOWORD(lParam), HIWORD(lParam));
break;
// left button up
case WM_LBUTTONUP:
triggerButtonEvent(0, 0, LOWORD(lParam), HIWORD(lParam));
break;
// left button down
case WM_LBUTTONDOWN:
triggerButtonEvent(0, 1, LOWORD(lParam), HIWORD(lParam));
break;
// middle button up
case WM_MBUTTONUP:
triggerButtonEvent(1, 0, LOWORD(lParam), HIWORD(lParam));
break;
// middle button down
case WM_MBUTTONDOWN:
triggerButtonEvent(1, 1, LOWORD(lParam), HIWORD(lParam));
break;
// right button up
case WM_RBUTTONUP:
triggerButtonEvent(2, 0, LOWORD(lParam), HIWORD(lParam));
break;
// right button down
case WM_RBUTTONDOWN:
triggerButtonEvent(2, 1, LOWORD(lParam), HIWORD(lParam));
break;
// keyboard action
case WM_KEYUP:
if ((int)wParam == VK_CONTROL)
ctrlKeyDown = 0;
triggerKeyboardEvent((char*)&wParam, (int)wParam, 1);
break;
// keyboard action
case WM_KEYDOWN:
if ((int)wParam == VK_CONTROL)
ctrlKeyDown = 1;
else if (ctrlKeyDown && (int)wParam == 'R')
gemAbortRendering();
else
triggerKeyboardEvent((char*)&wParam, (int)wParam, 0);
break;
// resize event
case WM_SIZE:
triggerResizeEvent(LOWORD(lParam), HIWORD(lParam));
GetClientRect(hWnd, &rcClient);
break;
// we want to override these messages
// and not do anything
case WM_DESTROY:
case WM_CLOSE:
break;
case WM_CREATE:
{
}
break;
// pass all unhandled messages to DefWindowProc
default:
lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
break;
}
return(lRet);
}