static void
mex_tile_init (MexTile *self)
{
MexTilePrivate *priv = self->priv = TILE_PRIVATE (self);
const ClutterColor opaque = { 0x00, 0x00, 0x00, 0x00 };
ClutterEffect *fade;
/* create a template material for the header background from which cheap
* copies can be made for each instance */
if (G_UNLIKELY (!template_material))
template_material = cogl_material_new ();
priv->material = cogl_material_copy (template_material);
/* layout for primary and secondary labels */
priv->box_layout = mx_box_layout_new ();
mx_box_layout_set_spacing (MX_BOX_LAYOUT (priv->box_layout), 12);
/* add fade effect to the box layout */
fade = (ClutterEffect*) mx_fade_effect_new ();
mx_fade_effect_set_border (MX_FADE_EFFECT (fade), 0, 50, 0, 0);
mx_fade_effect_set_color (MX_FADE_EFFECT (fade), &opaque);
clutter_actor_add_effect_with_name (priv->box_layout, "fade", fade);
clutter_actor_meta_set_enabled (CLUTTER_ACTOR_META (fade), TRUE);
clutter_actor_push_internal (CLUTTER_ACTOR (self));
clutter_actor_set_parent (priv->box_layout, CLUTTER_ACTOR (self));
clutter_actor_pop_internal (CLUTTER_ACTOR (self));
priv->label = clutter_text_new ();
priv->secondary_label = clutter_text_new ();
clutter_actor_set_opacity (priv->secondary_label, 128);
clutter_container_add (CLUTTER_CONTAINER (priv->box_layout), priv->label,
priv->secondary_label, NULL);
priv->header_visible = TRUE;
priv->timeline = clutter_timeline_new (DURATION);
priv->important_alpha =
clutter_alpha_new_full (priv->timeline, CLUTTER_EASE_OUT_QUAD);
g_signal_connect_object (priv->timeline, "new-frame",
G_CALLBACK (mex_tile_important_new_frame_cb), self,
0);
g_signal_connect_object (priv->timeline, "completed",
G_CALLBACK (mex_tile_timeline_completed_cb), self,
0);
g_signal_connect (self, "style-changed",
G_CALLBACK (mex_tile_style_changed_cb), NULL);
g_signal_connect (self, "actor-added",
G_CALLBACK (mex_tile_actor_added), NULL);
g_signal_connect (self, "actor-removed",
G_CALLBACK (mex_tile_actor_removed), NULL);
}
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_label_font_description_cb (ClutterText *text,
GParamSpec *pspec,
MxLabel *self)
{
PangoFontDescription *font;
MxLabelPrivate *priv = self->priv;
/* Find out the em-width - code pretty much copied from Clutter,
* clutter-backend.c, get_units_per_em ()
*/
font = clutter_text_get_font_description (text);
if (font)
{
gint i_dpi;
gdouble dpi;
gdouble font_size = 0;
gint pango_size = pango_font_description_get_size (font);
ClutterSettings *settings = clutter_settings_get_default ();
g_object_get (G_OBJECT (settings), "font-dpi", &i_dpi, NULL);
dpi = i_dpi / 1024.0;
if (pango_font_description_get_size_is_absolute (font))
font_size = pango_size / PANGO_SCALE;
else
font_size = pango_size / PANGO_SCALE * dpi / 96.f;
priv->em_width = (1.2f * font_size) * dpi / 96.f;
mx_fade_effect_set_border (MX_FADE_EFFECT (priv->fade_effect),
0, priv->em_width * 5, 0, 0);
}
}
