static int
glw_keyintercept_callback(glw_t *w, void *opaque,
glw_signal_t signal, void *extra)
{
glw_t *c;
switch(signal) {
default:
break;
case GLW_SIGNAL_DESTROY:
ki_unbind((glw_keyintercept_t *)w);
break;
case GLW_SIGNAL_LAYOUT:
c = TAILQ_FIRST(&w->glw_childs);
if(c != NULL)
glw_layout0(c, extra);
break;
case GLW_SIGNAL_CHILD_CONSTRAINTS_CHANGED:
glw_copy_constraints(w, extra);
return 1;
case GLW_SIGNAL_EVENT_BUBBLE:
if(w->glw_flags2 & GLW2_ENABLED)
return ki_handle_event((glw_keyintercept_t *)w, extra);
else
return 0;
}
return 0;
}
static int
glw_displacement_callback(glw_t *w, void *opaque,
glw_signal_t signal, void *extra)
{
glw_displacement_t *gd = (glw_displacement_t *)w;
glw_t *c;
glw_rctx_t *rc, rc0;
switch(signal) {
default:
break;
case GLW_SIGNAL_LAYOUT:
if((c = TAILQ_FIRST(&w->glw_childs)) == NULL)
break;
rc = extra;
int width = rc->rc_width - gd->gd_padding_left - gd->gd_padding_right;
int height = rc->rc_height - gd->gd_padding_top - gd->gd_padding_bottom;
rc0 = *rc;
rc0.rc_width = width;
rc0.rc_height = height;
glw_layout0(c, &rc0);
break;
case GLW_SIGNAL_CHILD_CONSTRAINTS_CHANGED:
glw_copy_constraints(w, extra);
return 1;
}
return 0;
}
static int
glw_bloom_callback(glw_t *w, void *opaque, glw_signal_t signal,
void *extra)
{
switch(signal) {
default:
break;
case GLW_SIGNAL_CHILD_CONSTRAINTS_CHANGED:
glw_copy_constraints(w, extra);
return 1;
}
return 0;
}
static int
glw_cursor_callback(glw_t *w, void *opaque, glw_signal_t signal,
void *extra)
{
switch(signal) {
case GLW_SIGNAL_CHILD_CONSTRAINTS_CHANGED:
case GLW_SIGNAL_CHILD_CREATED:
if(extra == TAILQ_FIRST(&w->glw_childs))
glw_copy_constraints(w, extra);
return 1;
default:
return 0;
}
}
static int
glw_slideshow_callback(glw_t *w, void *opaque, glw_signal_t signal,
void *extra)
{
switch(signal) {
case GLW_SIGNAL_CHILD_CONSTRAINTS_CHANGED:
if(w->glw_focused == extra)
glw_copy_constraints(w, extra);
return 1;
default:
break;
}
return 0;
}
static int
glw_keyintercept_callback(glw_t *w, void *opaque,
glw_signal_t signal, void *extra)
{
switch(signal) {
default:
break;
case GLW_SIGNAL_DESTROY:
ki_unbind((glw_keyintercept_t *)w);
break;
case GLW_SIGNAL_CHILD_CONSTRAINTS_CHANGED:
glw_copy_constraints(w, extra);
return 1;
#if 0
case GLW_SIGNAL_EVENT_BUBBLE:
if(w->glw_flags2 & GLW2_ENABLED)
return ki_handle_event((glw_keyintercept_t *)w, extra);
else
return 0;
#endif
}
return 0;
}
static void
glw_slideshow_layout(glw_t *w, const glw_rctx_t *rc)
{
glw_slideshow_t *s = (glw_slideshow_t *)w;
glw_t *c, *p, *n;
float delta;
glw_reset_screensaver(w->glw_root);
delta = s->w.glw_root->gr_frameduration / (1000000.0 * s->transition_time);
if(s->time == 0) {
s->displaytime = INT32_MAX;
} else {
s->displaytime = 1000000 * s->time / s->w.glw_root->gr_frameduration;
}
if((c = s->w.glw_focused) == NULL) {
c = s->w.glw_focused = glw_first_widget(&s->w);
if(c)
glw_copy_constraints(&s->w, c);
}
if(c == NULL)
return;
if(s->timer >= s->displaytime) {
c = glw_next_widget(c);
if(c == NULL)
c = glw_first_widget(&s->w);
s->timer = 0;
if(c != NULL) {
glw_focus_open_path_close_all_other(c);
glw_copy_constraints(&s->w, c);
}
}
if(!s->hold)
s->timer++;
glw_layout0(c, rc);
c->glw_parent_alpha = GLW_MIN(c->glw_parent_alpha + delta, 1.0f);
/**
* Keep previous and next images 'hot' (ie, loaded into texture memory)
*/
p = glw_prev_widget(c);
if(p == NULL)
p = glw_last_widget(&s->w);
if(p != NULL && p != c) {
p->glw_parent_alpha = GLW_MAX(p->glw_parent_alpha - delta, 0.0f);
glw_layout0(p, rc);
}
n = glw_next_widget(c);
if(n == NULL)
n = glw_first_widget(&s->w);
if(n != NULL && n != c) {
n->glw_parent_alpha = GLW_MAX(n->glw_parent_alpha - delta, 0.0f);
glw_layout0(n, rc);
}
}
static void
glw_slideshow_layout(glw_t *w, const glw_rctx_t *rc)
{
glw_root_t *gr = w->glw_root;
glw_slideshow_t *s = (glw_slideshow_t *)w;
glw_t *c, *p, *n;
float delta;
int r = 0;
glw_reset_screensaver(w->glw_root);
delta = s->w.glw_root->gr_frameduration / (float)s->transition_time;
if((c = s->w.glw_focused) == NULL) {
c = s->w.glw_focused = glw_first_widget(&s->w);
if(c)
glw_copy_constraints(&s->w, c);
}
if(c == NULL)
return;
glw_schedule_refresh(gr, s->deadline);
if(s->deadline <= gr->gr_frame_start) {
s->deadline = gr->gr_frame_start + s->display_time;
c = glw_next_widget(c);
if(c == NULL)
c = glw_first_widget(&s->w);
if(c != NULL) {
glw_focus_open_path_close_all_other(c);
glw_copy_constraints(&s->w, c);
}
}
glw_layout0(c, rc);
r |= update_parent_alpha(c, GLW_MIN(c->glw_parent_alpha + delta, 1.0f));
/**
* Keep previous and next images 'hot' (ie, loaded into texture memory)
*/
p = glw_prev_widget(c);
if(p == NULL)
p = glw_last_widget(&s->w, 0);
if(p != NULL && p != c) {
r |= update_parent_alpha(p, GLW_MAX(p->glw_parent_alpha - delta, 0.0f));
glw_layout0(p, rc);
}
n = glw_next_widget(c);
if(n == NULL)
n = glw_first_widget(&s->w);
if(n != NULL && n != c) {
r |= update_parent_alpha(n, GLW_MAX(n->glw_parent_alpha - delta, 0.0f));
glw_layout0(n, rc);
}
if(r)
glw_need_refresh(w->glw_root, 0);
}