widget_t*
widget_hit_test(widget_t* root, point_t p)
{
widget_t* w;
for (w = root->first_child; w != NULL; w = w->next_sibling) {
point_t translated_p = {
.x = p.x - root->rect.x,
.y = p.y - root->rect.y,
};
widget_t* w_hit = widget_hit_test(w, translated_p);
if (w_hit != NULL)
return w_hit;
}
if (widget_is_visible(root) && rect_inside(root->rect, p))
return root;
return NULL;
}
point_t
widget_rel_pos(widget_t* w, point_t abs_pos)
{
widget_t* parent;
point_t rel_pos = abs_pos;
for (parent = w->parent; parent != NULL; parent = parent->parent) {
rel_pos.x -= parent->rect.x;
rel_pos.y -= parent->rect.y;
}
return rel_pos;
}
static int process_area(int index, struct fb_info *info, struct omap3epfb_area *area, struct omap3epfb_update_area *p)
{
struct omap3epfb_par *par = info->par;
int change = 0;
if (!(area->effect_flags & (EFFECT_ONESHOT | EFFECT_ACTIVE | EFFECT_CLEAR)))
return change;
if (!rect_inside(&area->effect_area, p))
{
DEBUG_REGION(DEBUG_LEVEL5, p,"no match 0x%02x region %d = ", area->effect_flags, index);
return change;
}
if (area->effect_flags & EFFECT_ONESHOT)
{
p->wvfid = area->effect_area.wvfid;
p->threshold = area->effect_area.threshold;
DEBUG_REGION(DEBUG_LEVEL2, p,"process ONESHOT region %d = ", index);
if (area->effect_flags & EFFECT_REGION)
{
p->x0 = area->effect_area.x0;
p->y0 = area->effect_area.y0;
p->x1 = area->effect_area.x1;
p->y1 = area->effect_area.y1;
}
par->effect_array[index].effect_flags = 0;
change = 1;
}
else if (area->effect_flags & EFFECT_ACTIVE)
{
p->wvfid = area->effect_area.wvfid;
p->threshold = area->effect_area.threshold;
DEBUG_REGION(DEBUG_LEVEL2, p,"process ACTIVE region %d = ", index);
change = 1;
if (p->wvfid == OMAP3EPFB_WVFID_AUTO)
{
// Calculate the percentage of the screen that needs an update.
int percent = ((rect_width(p) * rect_height(p) * 100)) /
((info->var.xres-1) * (info->var.yres-1));
// Check if we need to do a GC of the whole screen
if ((par->refresh_percent > 0) && (percent >= par->refresh_percent))
{
DEBUG_REGION(DEBUG_LEVEL1, p,"process ACTIVE %d%% region %d = ", percent, index);
p->x0 = p->y0 = 0;
p->x1 = info->var.xres-1;
p->y1 = info->var.yres-1;
p->wvfid = OMAP3EPFB_WVFID_GC;
p->threshold = 0;
}
}
else
{
if (area->effect_flags & EFFECT_REGION)
{
p->x0 = area->effect_area.x0;
p->y0 = area->effect_area.y0;
p->x1 = area->effect_area.x1;
p->y1 = area->effect_area.y1;
}
}
}
else if ((area->effect_flags & EFFECT_CLEAR) && rect_equal(&area->effect_area, p))
{
// Turn the next update of the effect area into a full page flushing update,
// then clear the effect area.
// This is used as a hint that a dialog is closing, then we forcing a full screen GC update.
p->wvfid = area->effect_area.wvfid;
p->threshold = area->effect_area.threshold;
DEBUG_REGION(DEBUG_LEVEL2, p,"process RESET region %d = ", index);
p->x0 = p->y0 = 0;
p->x1 = info->var.xres-1;
p->y1 = info->var.yres-1;
p->wvfid = OMAP3EPFB_WVFID_GC;
par->effect_array[index].effect_flags = 0;
change = 1;
}
// Update the fast scan flags.
update_effect(par, index);
return change;
}
