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Improve a11y names for colors

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Only read alpha if it is != 1, and read percentages also for
'unnamed' palette colors.
This commit is contained in:
Matthias Clasen 2012-02-11 19:03:45 -05:00
parent 2d57c5c374
commit 453aecd346
1 changed files with 43 additions and 17 deletions
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60
gtk/gtkcolorchooserwidget.c
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@ -267,6 +267,32 @@ gtk_color_chooser_widget_set_show_editor (GtkColorChooserWidget *cc,
/* UI construction {{{1 */
static guint
scale_round (gdouble value, gdouble scale)
{
value = floor (value * scale + 0.5);
value = MAX (value, 0);
value = MIN (value, scale);
return (guint)value;
}
gchar *
accessible_color_name (GdkRGBA *color)
{
if (color->alpha < 1.0)
return g_strdup_printf (_("Red %d%%, Green %d%%, Blue %d%%, Alpha %d%%"),
scale_round (color->red, 100),
scale_round (color->green, 100),
scale_round (color->blue, 100),
scale_round (color->alpha, 100));
else
return g_strdup_printf (_("Red %d%%, Green %d%%, Blue %d%%"),
scale_round (color->red, 100),
scale_round (color->green, 100),
scale_round (color->blue, 100));
}
static void
add_palette (GtkColorChooserWidget *cc,
gboolean horizontal,
@ -300,10 +326,21 @@ add_palette (GtkColorChooserWidget *cc,
for (i = 0; i < n_colors; i++)
{
p = gtk_color_swatch_new ();
atk_obj = gtk_widget_get_accessible (p);
if (names)
{
atk_obj = gtk_widget_get_accessible (p);
atk_object_set_description (atk_obj, C_("Color name", names[i]));
atk_object_set_description (atk_obj,
g_dpgettext2 (GETTEXT_PACKAGE, "Color name", names[i]));
}
else
{
gchar *text, *name;
name = accessible_color_name (&colors[i]);
text = g_strdup_printf (_("Color: %s"), name);
atk_object_set_description (atk_obj, text);
g_free (text);
g_free (name);
}
gtk_color_swatch_set_rgba (GTK_COLOR_SWATCH (p), &colors[i]);
connect_swatch_signals (p, cc);
@ -438,15 +475,6 @@ add_default_palette (GtkColorChooserWidget *cc)
cc->priv->has_default_palette = TRUE;
}
static guint
scale_round (gdouble value, gdouble scale)
{
value = floor (value * scale + 0.5);
value = MAX (value, 0);
value = MIN (value, scale);
return (guint)value;
}
static void
gtk_color_chooser_widget_init (GtkColorChooserWidget *cc)
{
@ -460,7 +488,7 @@ gtk_color_chooser_widget_init (GtkColorChooserWidget *cc)
GVariantIter iter;
gboolean selected;
AtkObject *atk_obj;
gchar *text;
gchar *text, *name;
cc->priv = G_TYPE_INSTANCE_GET_PRIVATE (cc, GTK_TYPE_COLOR_CHOOSER_WIDGET, GtkColorChooserWidgetPrivate);
@ -502,13 +530,11 @@ gtk_color_chooser_widget_init (GtkColorChooserWidget *cc)
gtk_color_swatch_set_rgba (GTK_COLOR_SWATCH (p), &color);
gtk_color_swatch_set_can_drop (GTK_COLOR_SWATCH (p), TRUE);
atk_obj = gtk_widget_get_accessible (p);
text = g_strdup_printf (_("Custom color %d: Red %d%%, Green %d%%, Blue %d%%, Alpha %d%%"), i,
scale_round (color.red, 100),
scale_round (color.green, 100),
scale_round (color.blue, 100),
scale_round (color.alpha, 100));
name = accessible_color_name (&color);
text = g_strdup_printf (_("Custom color %d: %s"), i, name);
atk_object_set_description (atk_obj, text);
g_free (text);
g_free (name);
connect_custom_signals (p, cc);
gtk_container_add (GTK_CONTAINER (box), p);