/**
* @brief Focus previous widget.
*/
void toolkit_prevFocus( Window *wdw )
{
Widget *wgt, *prev;
/* See what to focus. */
prev = NULL;
for (wgt=wdw->widgets; wgt!=NULL; wgt=wgt->next) {
if (!toolkit_isFocusable(wgt))
continue;
/* See if we found the current one. */
if (wdw->focus == wgt->id) {
if (prev == NULL)
wdw->focus = -1;
else
wdw->focus = prev->id;
return;
}
/* Store last focusable widget. */
prev = wgt;
}
/* Focus nothing. */
if (prev == NULL)
wdw->focus = -1;
else
wdw->focus = prev->id;
return;
}
/**
* @brief Focus next widget.
*/
void toolkit_nextFocus (void)
{
Window *wdw;
Widget *wgt;
int next;
/* Get window. */
wdw = toolkit_getActiveWindow();
if (wdw == NULL)
return;
/* See what to focus. */
next = (wdw->focus == -1);
for (wgt=wdw->widgets; wgt!=NULL; wgt=wgt->next) {
if (toolkit_isFocusable(wgt)) {
if (next) {
wdw->focus = wgt->id;
return;
}
else if (wdw->focus == wgt->id)
next = 1;
}
}
/* Focus nothing. */
wdw->focus = -1;
return;
}
/**
* @brief Focus next widget.
*/
void toolkit_nextFocus( Window *wdw )
{
Widget *wgt;
int next;
/* See what to focus. */
next = (wdw->focus == -1);
for (wgt=wdw->widgets; wgt!=NULL; wgt=wgt->next) {
if (!toolkit_isFocusable(wgt))
continue;
if (next) {
wdw->focus = wgt->id;
return;
}
else if (wdw->focus == wgt->id)
next = 1;
}
/* Focus nothing. */
wdw->focus = -1;
return;
}
/**
* @brief Handle widget mouse input.
*
* @param w Window to which widget belongs.
* @param wgt Widget recieving event.
* @param event Event recieved by the window.
*/
static void toolkit_mouseEventWidget( Window *w, Widget *wgt,
Uint8 type, Uint8 button, int x, int y, int rx, int ry )
{
int inbounds;
/* Widget translations. */
x -= wgt->x;
y -= wgt->y;
/* Check inbounds. */
inbounds = !((x < 0) || (x >= wgt->w) || (y < 0) || (y >= wgt->h));
/* Regular widgets. */
switch (type) {
case SDL_MOUSEMOTION:
/* Change the status of the widget if mouse isn't down. */
/* Not scrolling. */
if (wgt->status != WIDGET_STATUS_SCROLLING) {
if (inbounds) {
if (wgt->status != WIDGET_STATUS_MOUSEDOWN)
wgt->status = WIDGET_STATUS_MOUSEOVER;
}
else
wgt->status = WIDGET_STATUS_NORMAL;
}
else
inbounds = 1; /* Scrolling is always inbounds. */
/* If always gets the event. */
if (wgt_isFlag( wgt, WGT_FLAG_ALWAYSMMOVE ))
inbounds = 1;
/* Try to give the event to the widget. */
if (inbounds && (wgt->mmoveevent != NULL))
(*wgt->mmoveevent)( wgt, x, y, rx, ry );
break;
case SDL_MOUSEBUTTONDOWN:
if (!inbounds)
break;
/* Update the status. */
if (button == SDL_BUTTON_LEFT)
wgt->status = WIDGET_STATUS_MOUSEDOWN;
if (toolkit_isFocusable(wgt))
w->focus = wgt->id;
/* Try to give the event to the widget. */
if (wgt->mclickevent != NULL)
(*wgt->mclickevent)( wgt, button, x, y );
break;
case SDL_MOUSEBUTTONUP:
/* Since basically only buttons are handled here, we ignore
* it all except the left mouse button. */
if (button != SDL_BUTTON_LEFT)
break;
if (wgt->status==WIDGET_STATUS_MOUSEDOWN) {
if ((wgt->type==WIDGET_BUTTON) &&
(wgt->dat.btn.disabled==0)) {
if (wgt->dat.btn.fptr==NULL)
DEBUG("Toolkit: Button '%s' of Window '%s' "
"doesn't have a function trigger",
wgt->name, w->name );
else {
(*wgt->dat.btn.fptr)(w->id, wgt->name);
}
}
}
/* Always goes normal unless is below mouse. */
if (inbounds)
wgt->status = WIDGET_STATUS_MOUSEOVER;
else
wgt->status = WIDGET_STATUS_NORMAL;
break;
}
}
