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Use the new style context API in GtkLabel.

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This commit is contained in:
Paolo Borelli 2010-12-05 21:00:59 +01:00
parent 561346bd40
commit 4a7e746bbc
1 changed files with 32 additions and 22 deletions
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54
gtk/gtklabel.c
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@ -2273,11 +2273,13 @@ gtk_label_get_link_colors (GtkWidget *widget,
GdkColor **link_color,
GdkColor **visited_link_color)
{
gtk_widget_ensure_style (widget);
gtk_widget_style_get (widget,
"link-color", link_color,
"visited-link-color", visited_link_color,
NULL);
GtkStyleContext *context;
context = gtk_widget_get_style_context (widget);
gtk_style_context_get_style (context,
"link-color", link_color,
"visited-link-color", visited_link_color,
NULL);
if (!*link_color)
*link_color = gdk_color_copy (&default_link_color);
if (!*visited_link_color)
@ -3007,13 +3009,25 @@ gtk_label_clear_layout (GtkLabel *label)
}
}
static PangoFontMetrics *
get_font_metrics (PangoContext *context, GtkWidget *widget)
{
GtkStyleContext *style_context;
PangoFontDescription *font;
style_context = gtk_widget_get_style_context (widget);
gtk_style_context_get (style_context, 0, "font", &font, NULL);
return pango_context_get_metrics (context,
font,
pango_context_get_language (context));
}
static void
get_label_width (GtkLabel *label,
gint *minimum,
gint *natural)
{
GtkWidgetAuxInfo *aux_info;
GtkLabelPrivate *priv;
PangoLayout *layout;
PangoContext *context;
@ -3022,14 +3036,10 @@ get_label_width (GtkLabel *label,
gint char_width, digit_width, char_pixels, text_width, ellipsize_chars, guess_width;
priv = label->priv;
aux_info = _gtk_widget_get_aux_info (GTK_WIDGET (label), FALSE);
layout = pango_layout_copy (priv->layout);
context = pango_layout_get_context (layout);
metrics = pango_context_get_metrics (context,
gtk_widget_get_style (GTK_WIDGET (label))->font_desc,
pango_context_get_language (context));
metrics = get_font_metrics (context, GTK_WIDGET (label));
char_width = pango_font_metrics_get_approximate_char_width (metrics);
digit_width = pango_font_metrics_get_approximate_digit_width (metrics);
char_pixels = MAX (char_width, digit_width);
@ -3108,11 +3118,16 @@ get_label_width (GtkLabel *label,
}
/* if a width-request is set, use that as the requested label width */
if ((priv->wrap || priv->ellipsize || priv->width_chars > 0 || priv->max_width_chars > 0) &&
aux_info && aux_info->width > 0)
if (priv->wrap || priv->ellipsize || priv->width_chars > 0 || priv->max_width_chars > 0)
{
*minimum = aux_info->width * PANGO_SCALE;
*natural = MAX (*natural, *minimum);
GtkWidgetAuxInfo *aux_info;
aux_info = _gtk_widget_get_aux_info (GTK_WIDGET (label), FALSE);
if (aux_info && aux_info->width > 0)
{
*minimum = aux_info->width * PANGO_SCALE;
*natural = MAX (*natural, *minimum);
}
}
g_object_unref (layout);
@ -3143,10 +3158,7 @@ get_label_wrap_width (GtkLabel *label)
layout = pango_layout_copy (priv->layout);
context = pango_layout_get_context (layout);
metrics = pango_context_get_metrics (context,
gtk_widget_get_style (GTK_WIDGET (label))->font_desc,
pango_context_get_language (context));
metrics = get_font_metrics (context, GTK_WIDGET (label));
char_width = pango_font_metrics_get_approximate_char_width (metrics);
digit_width = pango_font_metrics_get_approximate_digit_width (metrics);
char_pixels = MAX (char_width, digit_width);
@ -3353,9 +3365,7 @@ get_single_line_height (GtkWidget *widget,
gint ascent, descent;
context = pango_layout_get_context (layout);
metrics = pango_context_get_metrics (context, gtk_widget_get_style (widget)->font_desc,
pango_context_get_language (context));
metrics = get_font_metrics (context, widget);
ascent = pango_font_metrics_get_ascent (metrics);
descent = pango_font_metrics_get_descent (metrics);
pango_font_metrics_unref (metrics);