return 1;
}
-void fghWindowUnderCursor(SFG_Window *window, SFG_Window **child_window)
+static SFG_Window* fghWindowUnderCursor(SFG_Window *window)
{
/* Check if the current window that the mouse is over is a child window
- * of the window the message was sent to.
+ * of the window the message was sent to. Some events only sent to main window,
+ * and when handling some messages, we need to make sure that we process
+ * callbacks on the child window instead. This mirrors how GLUT does things.
+ * returns either the original window or the found child.
*/
- if (window && window->Children.First)
+ if (window && window->Children.First) /* This window has childs */
{
- POINT mouse_pos;
SFG_WindowHandleType hwnd;
- SFG_Window* temp_window;
+ SFG_Window* child_window;
/* Get mouse position at time of message */
- DWORD mouse_pos_Dword = GetMessagePos();
- mouse_pos.x = GET_X_LPARAM(mouse_pos_Dword);
- mouse_pos.y = GET_Y_LPARAM(mouse_pos_Dword);
+ DWORD mouse_pos_dw = GetMessagePos();
+ POINT mouse_pos = {GET_X_LPARAM(mouse_pos_dw), GET_Y_LPARAM(mouse_pos_dw)};
ScreenToClient( window->Window.Handle, &mouse_pos );
hwnd = ChildWindowFromPoint(window->Window.Handle, mouse_pos);
if (hwnd && hwnd!=window->Window.Handle) /* can be NULL if mouse outside parent by the time we get here, or can be same as parent if we didn't find a child */
{
- temp_window = fgWindowByHandle(hwnd);
- if (temp_window) /* Verify we got a FreeGLUT window */
+ child_window = fgWindowByHandle(hwnd);
+ if (child_window) /* Verify we got a FreeGLUT window */
{
- *child_window = temp_window;
/* ChildWindowFromPoint only searches immediate children, so search again to see if actually in grandchild or further descendant */
- fghWindowUnderCursor(temp_window,child_window);
+ window = fghWindowUnderCursor(child_window);
}
}
}
+
+ return window;
}
/*
*/
LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
{
- SFG_Window *window, *child_window = NULL;
- PAINTSTRUCT ps;
+ SFG_Window *window;
LRESULT lRet = 1;
FREEGLUT_INTERNAL_ERROR_EXIT_IF_NOT_INITIALISED ( "Event Handler" ) ;
/* printf ( "Window %3d message <%04x> %12d %12d\n", window?window->ID:0,
uMsg, wParam, lParam ); */
- /* Some events only sent to main window. Check if the current window that
- * the mouse is over is a child window. Below when handling some messages,
- * we make sure that we process callbacks on the child window instead.
- * This mirrors how GLUT does things.
- */
- fghWindowUnderCursor(window, &child_window);
-
switch( uMsg )
{
case WM_CREATE:
lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
- if (child_window)
- {
- /* If we're dealing with a child window, make sure it has input focus instead, set it here. */
- SetFocus(child_window->Window.Handle);
- SetActiveWindow( child_window->Window.Handle );
- INVOKE_WCB( *child_window, Entry, ( GLUT_ENTERED ) );
- UpdateWindow ( child_window->Window.Handle );
- }
- else
- {
- SetActiveWindow( window->Window.Handle );
- INVOKE_WCB( *window, Entry, ( GLUT_ENTERED ) );
- }
- /* Always request update on main window to be safe */
+ SetActiveWindow( window->Window.Handle );
+ INVOKE_WCB( *window, Entry, ( GLUT_ENTERED ) );
UpdateWindow ( hWnd );
break;
break;
case WM_PAINT:
+ {
+ PAINTSTRUCT ps;
/* Turn on the visibility in case it was turned off somehow */
window->State.Visible = GL_TRUE;
InvalidateRect( hWnd, NULL, GL_FALSE ); /* Make sure whole window is repainted. Bit of a hack, but a safe one from what google turns up... */
BeginPaint( hWnd, &ps );
fghRedrawWindow( window );
EndPaint( hWnd, &ps );
- break;
+ }
+ break;
case WM_CLOSE:
fgDestroyWindow ( window );
case WM_MOUSEWHEEL:
{
+ SFG_Window *child_window = NULL;
int wheel_number = LOWORD( wParam );
short ticks = ( short )HIWORD( wParam );
- fgState.MouseWheelTicks += ticks;
+ window = fghWindowUnderCursor(window);
+
+ fgState.MouseWheelTicks += ticks;
if ( abs ( fgState.MouseWheelTicks ) >= WHEEL_DELTA )
{
int direction = ( fgState.MouseWheelTicks > 0 ) ? 1 : -1;
case WM_SYSKEYDOWN:
case WM_KEYDOWN:
- if (child_window)
- window = child_window;
+ {
+ window = fghWindowUnderCursor(window);
lRet = fghWindowProcKeyPress(window,uMsg,GL_TRUE,wParam,lParam);
+ }
break;
case WM_SYSKEYUP:
case WM_KEYUP:
- if (child_window)
- window = child_window;
+ {
+ window = fghWindowUnderCursor(window);
lRet = fghWindowProcKeyPress(window,uMsg,GL_FALSE,wParam,lParam);
+ }
break;
case WM_SYSCHAR:
case WM_CHAR:
{
- if (child_window)
- window = child_window;
+ window = fghWindowUnderCursor(window);
if( (fgState.KeyRepeat==GLUT_KEY_REPEAT_OFF || window->State.IgnoreKeyRepeat==GL_TRUE) && (HIWORD(lParam) & KF_REPEAT) )
break;