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st/label: Compare shadow spec before invalidating shadow on style change

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Just like with the last commit for StEntry, check whether the text
shadow actually changed before invalidating the pipeline on style
changes of StLabel.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1744>
This commit is contained in:
Jonas Dreßler 2021-03-05 12:49:36 +01:00 committed by Marge Bot
parent ba774e1fa2
commit 09903b6426
1 changed files with 19 additions and 6 deletions
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25
src/st/st-label.c
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@ -62,6 +62,8 @@ struct _StLabelPrivate
{
ClutterActor *label;
StShadow *shadow_spec;
CoglPipeline *text_shadow_pipeline;
float shadow_width;
float shadow_height;
@ -119,8 +121,21 @@ static void
st_label_style_changed (StWidget *self)
{
StLabelPrivate *priv = ST_LABEL(self)->priv;
StThemeNode *theme_node;
StShadow *shadow_spec;
g_clear_pointer (&priv->text_shadow_pipeline, cogl_object_unref);
theme_node = st_widget_get_theme_node (self);
shadow_spec = st_theme_node_get_text_shadow (theme_node);
if (!priv->shadow_spec || !shadow_spec ||
!st_shadow_equal (shadow_spec, priv->shadow_spec))
{
g_clear_pointer (&priv->text_shadow_pipeline, cogl_object_unref);
g_clear_pointer (&priv->shadow_spec, st_shadow_unref);
if (shadow_spec)
priv->shadow_spec = st_shadow_ref (shadow_spec);
}
_st_set_text_from_style ((ClutterText *)priv->label, st_widget_get_theme_node (self));
@ -194,12 +209,10 @@ st_label_paint (ClutterActor *actor,
ClutterPaintContext *paint_context)
{
StLabelPrivate *priv = ST_LABEL (actor)->priv;
StThemeNode *theme_node = st_widget_get_theme_node (ST_WIDGET (actor));
StShadow *shadow_spec = st_theme_node_get_text_shadow (theme_node);
st_widget_paint_background (ST_WIDGET (actor), paint_context);
if (shadow_spec)
if (priv->shadow_spec)
{
ClutterActorBox allocation;
float width, height;
@ -222,7 +235,7 @@ st_label_paint (ClutterActor *actor,
priv->shadow_width = width;
priv->shadow_height = height;
priv->text_shadow_pipeline =
_st_create_shadow_pipeline_from_actor (shadow_spec,
_st_create_shadow_pipeline_from_actor (priv->shadow_spec,
priv->label);
}
@ -232,7 +245,7 @@ st_label_paint (ClutterActor *actor,
framebuffer =
clutter_paint_context_get_framebuffer (paint_context);
_st_paint_shadow_with_opacity (shadow_spec,
_st_paint_shadow_with_opacity (priv->shadow_spec,
framebuffer,
priv->text_shadow_pipeline,
&allocation,