static void propagate_up(Data_Obj *dp,uint32_t flagbit)
{
if( dp->dt_parent != NULL ){
xfer_cuda_flag(dp->dt_parent,dp,flagbit);
propagate_up(dp->dt_parent,flagbit);
}
}
static void propagate_up(Data_Obj *dp,uint32_t flagbit)
{
if( dp->dt_parent != NULL ){
xfer_dobj_flag(dp->dt_parent,dp,flagbit);
propagate_up(dp->dt_parent,flagbit);
// Do we need to propagate down from parent,
// to get the siblings?
// That could lead to an infinite regress if
// we don't somehow mark the objects...
// But then we would have to clear the marks!?
}
}
void propagate_flag(Data_Obj *dp,uint32_t flagbit)
{
propagate_up(dp,flagbit);
propagate_down(dp,flagbit);
}
/******************************************************************************\
Handle an SDL event. Does not allow multiple keys or mouse buttons to be
pressed at the same time.
\******************************************************************************/
void I_dispatch(const SDL_Event *ev)
{
SDLMod mod;
i_event_t event;
/* Update modifiers */
mod = SDL_GetModState();
i_key_shift = mod & KMOD_SHIFT;
i_key_alt = mod & KMOD_ALT;
i_key_ctrl = mod & KMOD_CTRL;
/* Before dispatch */
switch (ev->type) {
case SDL_ACTIVEEVENT:
/* If the mouse focus was lost, reset the cursor position */
if (!ev->active.gain &&
(ev->active.state & SDL_APPMOUSEFOCUS))
i_mouse = C_vec2(-1.f, -1.f);
return;
case SDL_KEYDOWN:
event = I_EV_KEY_DOWN;
i_key = ev->key.keysym.sym;
i_key_unicode = ev->key.keysym.unicode;
if (i_debug.value.n > 0)
C_trace("SDL_KEYDOWN (%s%s)",
(i_key_shift ? "shift + " : ""),
I_key_string(i_key_unicode));
if (!i_key) {
C_warning("SDL sent zero keysym");
return;
}
break;
case SDL_KEYUP:
event = I_EV_KEY_UP;
i_key = ev->key.keysym.sym;
if (i_debug.value.n > 0)
C_trace("SDL_KEYUP (%s%s)",
(i_key_shift ? "shift + " : ""),
I_key_string(i_key_unicode));
break;
case SDL_MOUSEMOTION:
event = I_EV_MOUSE_MOVE;
i_mouse.x = ev->motion.x / r_scale_2d;
i_mouse.y = ev->motion.y / r_scale_2d;
find_focus();
break;
case SDL_MOUSEBUTTONDOWN:
event = I_EV_MOUSE_DOWN;
i_mouse_button = ev->button.button;
if (i_debug.value.n > 0)
C_trace("SDL_MOUSEBUTTONDOWN (%d)", i_mouse_button);
check_mouse_focus(mouse_focus);
break;
case SDL_MOUSEBUTTONUP:
event = I_EV_MOUSE_UP;
i_mouse_button = ev->button.button;
if (i_debug.value.n > 0)
C_trace("SDL_MOUSEBUTTONUP (%d)", i_mouse_button);
check_mouse_focus(mouse_focus);
break;
default:
return;
}
/* Update focus widgets for this event */
i_key_focus = key_focus;
i_mouse_focus = mouse_focus;
/* Key and mouse down events are propagated back from the focused
widget up the hierarchy */
if (event == I_EV_KEY_DOWN) {
I_global_key();
if (i_key_focus) {
i_key_focus->event_func(i_key_focus, event);
propagate_up(i_key_focus->parent, event);
}
} else if (event == I_EV_MOUSE_DOWN || event == I_EV_MOUSE_MOVE)
propagate_up(mouse_focus, event);
/* Normal event propagation up from the root widget */
else
I_widget_event(&i_root, event);
/* After dispatch */
switch (ev->type) {
case SDL_MOUSEBUTTONUP:
i_mouse_button = 0;
break;
case SDL_KEYUP:
i_key = 0;
break;
default:
break;
}
}
