st-entry: Add support for the text-shadow CSS property

It's supported everywhere else, we should also support it here.

https://bugzilla.gnome.org/show_bug.cgi?id=783484
This commit is contained in:
Mario Sanchez Prada 2017-06-05 18:39:21 +01:00 committed by Cosimo Cecchi
parent 4c72244c2e
commit 8783654b38

View File

@ -106,6 +106,10 @@ struct _StEntryPrivate
gboolean hint_visible;
gboolean capslock_warning_shown;
gboolean has_ibeam;
CoglHandle text_shadow_material;
gfloat shadow_width;
gfloat shadow_height;
};
static guint entry_signals[LAST_SIGNAL] = { 0, };
@ -245,8 +249,15 @@ static void
st_entry_dispose (GObject *object)
{
StEntry *entry = ST_ENTRY (object);
StEntryPrivate *priv = ST_ENTRY_PRIV (entry);
GdkKeymap *keymap;
if (priv->text_shadow_material != COGL_INVALID_HANDLE)
{
cogl_handle_unref (priv->text_shadow_material);
priv->text_shadow_material = COGL_INVALID_HANDLE;
}
keymap = gdk_keymap_get_for_display (gdk_display_get_default ());
g_signal_handlers_disconnect_by_func (keymap, keymap_state_changed, entry);
@ -274,6 +285,12 @@ st_entry_style_changed (StWidget *self)
gchar *font_string, *font_name;
gdouble size;
if (priv->text_shadow_material != COGL_INVALID_HANDLE)
{
cogl_handle_unref (priv->text_shadow_material);
priv->text_shadow_material = COGL_INVALID_HANDLE;
}
theme_node = st_widget_get_theme_node (self);
st_theme_node_get_foreground_color (theme_node, &color);
@ -552,6 +569,22 @@ clutter_text_password_char_cb (GObject *object,
remove_capslock_feedback (entry);
}
static void
clutter_text_changed_cb (GObject *object,
GParamSpec *pspec,
gpointer user_data)
{
StEntry *entry = ST_ENTRY (user_data);
StEntryPrivate *priv = ST_ENTRY_PRIV (entry);
/* Since the text changed, force a regen of the shadow texture */
if (priv->text_shadow_material != COGL_INVALID_HANDLE)
{
cogl_handle_unref (priv->text_shadow_material);
priv->text_shadow_material = COGL_INVALID_HANDLE;
}
}
static void
st_entry_clipboard_callback (StClipboard *clipboard,
const gchar *text,
@ -767,6 +800,56 @@ st_entry_leave_event (ClutterActor *actor,
return CLUTTER_ACTOR_CLASS (st_entry_parent_class)->leave_event (actor, event);
}
static void
st_entry_paint (ClutterActor *actor)
{
StEntryPrivate *priv = ST_ENTRY_PRIV (actor);
StThemeNode *theme_node = st_widget_get_theme_node (ST_WIDGET (actor));
StShadow *shadow_spec = st_theme_node_get_text_shadow (theme_node);
ClutterActorClass *parent_class;
st_widget_paint_background (ST_WIDGET (actor));
if (shadow_spec)
{
ClutterActorBox allocation;
float width, height;
clutter_actor_get_allocation_box (priv->entry, &allocation);
clutter_actor_box_get_size (&allocation, &width, &height);
if (priv->text_shadow_material == COGL_INVALID_HANDLE ||
width != priv->shadow_width ||
height != priv->shadow_height)
{
CoglHandle material;
if (priv->text_shadow_material != COGL_INVALID_HANDLE)
cogl_handle_unref (priv->text_shadow_material);
material = _st_create_shadow_pipeline_from_actor (shadow_spec,
priv->entry);
priv->shadow_width = width;
priv->shadow_height = height;
priv->text_shadow_material = material;
}
if (priv->text_shadow_material != COGL_INVALID_HANDLE)
_st_paint_shadow_with_opacity (shadow_spec,
priv->text_shadow_material,
&allocation,
clutter_actor_get_paint_opacity (priv->entry));
}
/* Since we paint the background ourselves, chain to the parent class
* of StWidget, to avoid painting it twice.
* This is needed as we still want to paint children.
*/
parent_class = g_type_class_peek_parent (st_entry_parent_class);
parent_class->paint (actor);
}
static void
st_entry_unmap (ClutterActor *actor)
{
@ -793,6 +876,7 @@ st_entry_class_init (StEntryClass *klass)
actor_class->get_preferred_width = st_entry_get_preferred_width;
actor_class->get_preferred_height = st_entry_get_preferred_height;
actor_class->allocate = st_entry_allocate;
actor_class->paint = st_entry_paint;
actor_class->unmap = st_entry_unmap;
actor_class->key_press_event = st_entry_key_press_event;
@ -915,8 +999,15 @@ st_entry_init (StEntry *entry)
g_signal_connect (priv->entry, "button-press-event",
G_CALLBACK (clutter_text_button_press_event), entry);
g_signal_connect (priv->entry, "notify::text",
G_CALLBACK (clutter_text_changed_cb), entry);
priv->spacing = 6.0f;
priv->text_shadow_material = COGL_INVALID_HANDLE;
priv->shadow_width = -1.;
priv->shadow_height = -1.;
clutter_actor_add_child (CLUTTER_ACTOR (entry), priv->entry);
clutter_actor_set_reactive ((ClutterActor *) entry, TRUE);