///
// ESWindowProc()
//
// Main window procedure
//
LRESULT WINAPI ESWindowProc ( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
{
LRESULT lRet = 1;
switch (uMsg)
{
case WM_CREATE:
break;
case WM_PAINT:
{
ESContext *esContext = (ESContext*)(LONG_PTR) GetWindowLongPtr ( hWnd, GWL_USERDATA );
if ( esContext && esContext->drawFunc )
esContext->drawFunc ( esContext );
ValidateRect( esContext->hWnd, NULL );
}
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
/*
case WM_CHAR:
{
POINT point;
ESContext *esContext = (ESContext*)(LONG_PTR) GetWindowLongPtr ( hWnd, GWL_USERDATA );
GetCursorPos( &point );
if ( esContext && esContext->keyFunc )
esContext->keyFunc ( esContext, (unsigned char) wParam,
(int) point.x, (int) point.y );
}
break;
*/
case WM_KEYDOWN:
{
ESContext *esContext = (ESContext*)(LONG_PTR) GetWindowLongPtr ( hWnd, GWL_USERDATA );
if(esContext && esContext->keyFunc) {
int state = ES_KEY_DOWN;
esContext->keyFunc(esContext, state, wParam);
}
}
break;
case WM_KEYUP:
{
ESContext *esContext = (ESContext*)(LONG_PTR) GetWindowLongPtr ( hWnd, GWL_USERDATA );
if(esContext && esContext->keyFunc) {
int state = ES_KEY_UP;
esContext->keyFunc(esContext, state, wParam);
}
}
break;
case WM_LBUTTONDOWN:
{
POINT point;
int x, y;
RECT winRect;
ESContext *esContext = (ESContext*)(LONG_PTR) GetWindowLongPtr ( hWnd, GWL_USERDATA );
GetCursorPos(&point);
GetWindowRect(esContext->hWnd, &winRect);
if(PtInRect(&winRect, point)) {
x = (int)point.x - winRect.left;
y = (int)point.y - winRect.top;
left_pressed = 1;
if(esContext->mouseFunc != NULL) {
esContext->mouseFunc(ES_MOUSE_DOWN, x, y);
}
}
}
break;
case WM_MOUSEMOVE:
{
if (MK_LBUTTON == wParam && left_pressed) {
POINT point;
int x, y;
RECT winRect;
ESContext *esContext = (ESContext*)(LONG_PTR) GetWindowLongPtr ( hWnd, GWL_USERDATA );
GetCursorPos(&point);
GetWindowRect(esContext->hWnd, &winRect);
if(PtInRect(&winRect, point)) {
x = (int)point.x - winRect.left;
y = (int)point.y - winRect.top;
if(esContext->mouseFunc != NULL) {
esContext->mouseFunc(ES_MOUSE_MOVE, x, y);
}
}
}
}
break;
case WM_LBUTTONUP:
if(left_pressed) {
POINT point;
int x, y;
RECT winRect;
ESContext *esContext = (ESContext*)(LONG_PTR) GetWindowLongPtr ( hWnd, GWL_USERDATA );
GetCursorPos(&point);
GetWindowRect(esContext->hWnd, &winRect);
if(PtInRect(&winRect, point)) {
x = (int)point.x - winRect.left;
y = (int)point.y - winRect.top;
if(esContext->mouseFunc != NULL) {
esContext->mouseFunc(ES_MOUSE_UP, x, y);
}
}
left_pressed = 0;
}
break;
default:
lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
break;
}
return lRet;
}
