static void
notify_vertical_changed_cb (MxAdjustment *adjustment,
MexMediaControls *controls)
{
MexMediaControlsPrivate *priv = controls->priv;
gint bottom;
gdouble value, max, page_size;
max = mx_adjustment_get_upper (adjustment);
value = mx_adjustment_get_value (adjustment);
page_size = mx_adjustment_get_page_size (adjustment);
bottom = MIN (50, (max - value - page_size));
mx_fade_effect_set_border (MX_FADE_EFFECT (priv->vertical_effect),
0, 0, bottom, 0);
}
static void
notify_horizontal_changed_cb (MxAdjustment *adjustment,
MexMediaControls *controls)
{
MexMediaControlsPrivate *priv = controls->priv;
gint left, right;
gdouble value, min, max, page_size;
min = mx_adjustment_get_lower (adjustment);
max = mx_adjustment_get_upper (adjustment);
value = mx_adjustment_get_value (adjustment);
page_size = mx_adjustment_get_page_size (adjustment);
left = MIN (136, (value - min));
right = MIN (136, (max - value - page_size));
mx_fade_effect_set_border (MX_FADE_EFFECT (priv->horizontal_effect),
0, right, 0, left);
}
static void
mx_scroll_view_paint (ClutterActor *actor)
{
ClutterActorBox box;
gfloat w, h;
MxAdjustment *vadjustment = NULL, *hadjustment = NULL;
MxScrollViewPrivate *priv = MX_SCROLL_VIEW (actor)->priv;
ClutterColor *color;
guint8 r, g, b;
const gint shadow = 15;
mx_stylable_get (MX_STYLABLE (actor), "background-color", &color, NULL);
r = color->red;
g = color->green;
b = color->blue;
clutter_color_free (color);
/* MxBin will paint the child */
CLUTTER_ACTOR_CLASS (mx_scroll_view_parent_class)->paint (actor);
clutter_actor_get_allocation_box (actor, &box);
w = box.x2 - box.x1;
h = box.y2 - box.y1;
/* paint our custom children */
if (CLUTTER_ACTOR_IS_VISIBLE (priv->hscroll))
{
clutter_actor_paint (priv->hscroll);
clutter_actor_get_allocation_box (priv->hscroll, &box);
h -= (box.y2 - box.y1);
hadjustment = mx_scroll_bar_get_adjustment (MX_SCROLL_BAR(priv->hscroll));
}
if (CLUTTER_ACTOR_IS_VISIBLE (priv->vscroll))
{
clutter_actor_paint (priv->vscroll);
clutter_actor_get_allocation_box (priv->vscroll, &box);
w -= (box.x2 - box.x1);
vadjustment = mx_scroll_bar_get_adjustment (MX_SCROLL_BAR(priv->vscroll));
}
/* set up the matrial using dummy set source call */
cogl_set_source_color4ub (0, 0, 0, 0);
if (vadjustment)
{
gdouble len;
if ((len = mx_adjustment_get_value (vadjustment)) > 0)
{
CoglTextureVertex top[4] = { { 0,}, };
if (len > shadow)
len = shadow;
top[1].x = w;
top[2].x = w;
top[2].y = len;
top[3].y = len;
cogl_color_set_from_4ub (&top[0].color, r, g, b, 0xff);
cogl_color_set_from_4ub (&top[1].color, r, g, b, 0xff);
cogl_color_set_from_4ub (&top[2].color, 0, 0, 0, 0);
cogl_color_set_from_4ub (&top[3].color, 0, 0, 0, 0);
cogl_polygon (top, 4, TRUE);
}
if ((len = (mx_adjustment_get_upper (vadjustment)
- mx_adjustment_get_page_size (vadjustment))
- mx_adjustment_get_value (vadjustment)) > 0)
{
CoglTextureVertex bottom[4] = { {0, }, };
if (len > shadow)
len = shadow;
bottom[0].x = w;
bottom[0].y = h;
bottom[1].y = h;
bottom[2].y = h - len;
bottom[3].x = w;
bottom[3].y = h - len;
cogl_color_set_from_4ub (&bottom[0].color, r, g, b, 0xff);
cogl_color_set_from_4ub (&bottom[1].color, r, g, b, 0xff);
cogl_color_set_from_4ub (&bottom[2].color, 0, 0, 0, 0);
cogl_color_set_from_4ub (&bottom[3].color, 0, 0, 0, 0);
cogl_polygon (bottom, 4, TRUE);
}
}
if (hadjustment)
{
gdouble len;
if ((len = mx_adjustment_get_value (hadjustment)) > 0)
{
CoglTextureVertex left[4] = { { 0, }, };
if (len > shadow)
len = shadow;
left[0].y = h;
left[2].x = len;
left[3].x = len;
left[3].y = h;
cogl_color_set_from_4ub (&left[0].color, r, g, b, 0xff);
cogl_color_set_from_4ub (&left[1].color, r, g, b, 0xff);
cogl_color_set_from_4ub (&left[2].color, 0, 0, 0, 0);
cogl_color_set_from_4ub (&left[3].color, 0, 0, 0, 0);
cogl_polygon (left, 4, TRUE);
}
if ((len = (mx_adjustment_get_upper (hadjustment)
- mx_adjustment_get_page_size (hadjustment))
- mx_adjustment_get_value (hadjustment)) > 0)
{
CoglTextureVertex right[4] = { { 0, }, };
if (len > shadow)
len = shadow;
right[0].x = w;
right[1].x = w;
right[1].y = h;
right[2].x = w - len;
right[2].y = h;
right[3].x = w - len;
cogl_color_set_from_4ub (&right[0].color, r, g, b, 0xff);
cogl_color_set_from_4ub (&right[1].color, r, g, b, 0xff);
cogl_color_set_from_4ub (&right[2].color, 0, 0, 0, 0);
cogl_color_set_from_4ub (&right[3].color, 0, 0, 0, 0);
cogl_polygon (right, 4, TRUE);
}
}
}