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widget: Provide a helper for updating pango contexts

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This commit is contained in:
Matthias Clasen
2021-09-04 15:35:11 -04:00
parent 1038b94ab1
commit abe7407abe
2 changed files with 14 additions and 8 deletions
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18
gtk/gtkwidget.c
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@@ -6427,9 +6427,10 @@ gtk_widget_get_effective_font_map (GtkWidget *widget)
return pango_cairo_font_map_get_default ();
}
static gboolean
update_pango_context (GtkWidget *widget,
PangoContext *context)
gboolean
gtk_widget_update_pango_context (GtkWidget *widget,
PangoContext *context,
GtkTextDirection direction)
{
GtkWidgetPrivate *priv = gtk_widget_get_instance_private (widget);
GtkCssStyle *style = gtk_css_node_get_style (priv->cssnode);
@@ -6447,9 +6448,10 @@ update_pango_context (GtkWidget *widget,
if (cairo_version () >= CAIRO_VERSION_ENCODE (1, 17, 4))
pango_context_set_round_glyph_positions (context, FALSE);
pango_context_set_base_dir (context,
_gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR ?
PANGO_DIRECTION_LTR : PANGO_DIRECTION_RTL);
if (direction != GTK_TEXT_DIR_NONE)
pango_context_set_base_dir (context, direction == GTK_TEXT_DIR_LTR
? PANGO_DIRECTION_LTR
: PANGO_DIRECTION_RTL);
pango_cairo_context_set_resolution (context, _gtk_css_number_value_get (style->core->dpi, 100));
@@ -6483,7 +6485,7 @@ gtk_widget_update_default_pango_context (GtkWidget *widget)
if (!context)
return;
if (update_pango_context (widget, context))
if (gtk_widget_update_pango_context (widget, context, _gtk_widget_get_direction (widget)))
gtk_widget_queue_draw (widget);
}
@@ -6624,7 +6626,7 @@ gtk_widget_create_pango_context (GtkWidget *widget)
g_return_val_if_fail (GTK_IS_WIDGET (widget), NULL);
context = pango_font_map_create_context (pango_cairo_font_map_get_default ());
update_pango_context (widget, context);
gtk_widget_update_pango_context (widget, context, _gtk_widget_get_direction (widget));
pango_context_set_language (context, gtk_get_default_language ());
return context;

4
gtk/gtkwidgetprivate.h
View File

@@ -370,6 +370,10 @@ void gtk_widget_update_orientation (GtkWidget *widget,
void gtk_widget_realize_at_context (GtkWidget *widget);
void gtk_widget_unrealize_at_context (GtkWidget *widget);
gboolean gtk_widget_update_pango_context (GtkWidget *widget,
PangoContext *context,
GtkTextDirection direction);
/* inline getters */
static inline GtkWidget *