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eeshow/gui/input.c (hover_update): handle a few more rare cases

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This commit is contained in:
Werner Almesberger 2016-08-18 18:29:23 -03:00
parent aced11f9f2
commit fe5bc4a55a
1 changed files with 19 additions and 3 deletions
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22
eeshow/gui/input.c
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@ -104,10 +104,10 @@ static void hover_update(int x, int y)
{
const struct input *old_sp = sp;
assert(sp->state == input_hovering);
assert(sp->state == input_hovering || sp->state == input_hovering_down);
if (!sp->ops->hover_update)
return;
return;
/*
* Caution: hover_update may switch input layers. If this happens,
@ -118,7 +118,23 @@ static void hover_update(int x, int y)
if (sp != old_sp)
return;
sp->state = sp->state == input_hovering ? input_idle : input_clicking;
progress(3, "hover_update %s\n", state());
switch (sp->state) {
case input_idle:
case input_hovering:
case input_ignoring:
sp->state = input_idle;
break;
case input_clicking:
case input_hovering_down:
sp->state = input_clicking;
break;
case input_dragging:
default:
abort();
}
if (sp->ops->hover_end)
sp->ops->hover_end(sp->user);
}