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colorchooser: Bring color names back

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These are useful for accessibility.

Fixes: #3237
This commit is contained in:
Matthias Clasen 2020-10-07 15:56:11 -04:00
parent fb0c062506
commit cfb316799a
1 changed files with 108 additions and 3 deletions
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111
gtk/gtkcolorchooserwidget.c
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@ -291,12 +291,39 @@ remove_palette (GtkColorChooserWidget *cc)
g_list_free (children);
}
static guint
scale_round (double value,
double scale)
{
value = floor (value * scale + 0.5);
value = MAX (value, 0);
value = MIN (value, scale);
return (guint)value;
}
static char *
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,
GtkOrientation orientation,
int colors_per_line,
int n_colors,
GdkRGBA *colors)
GdkRGBA *colors,
const char **names)
{
GtkWidget *grid;
GtkWidget *p;
@ -328,6 +355,26 @@ add_palette (GtkColorChooserWidget *cc,
for (i = 0; i < n_colors; i++)
{
p = gtk_color_swatch_new ();
if (names)
{
gtk_accessible_update_property (GTK_ACCESSIBLE (p),
GTK_ACCESSIBLE_PROPERTY_LABEL,
g_dpgettext2 (GETTEXT_PACKAGE, "Color name", names[i]),
-1);
}
else
{
char *name;
char *text;
name = accessible_color_name (&colors[i]);
text = g_strdup_printf (_("Color: %s"), name);
gtk_accessible_update_property (GTK_ACCESSIBLE (p),
GTK_ACCESSIBLE_PROPERTY_LABEL, text,
-1);
g_free (name);
g_free (text);
}
gtk_color_swatch_set_rgba (GTK_COLOR_SWATCH (p), &colors[i]);
connect_swatch_signals (p, cc);
@ -385,8 +432,55 @@ add_default_palette (GtkColorChooserWidget *cc)
GDK_RGBA("ffffff"), GDK_RGBA("f6f5f4"), GDK_RGBA("deddda"), GDK_RGBA("c0bfbc"), GDK_RGBA("9a9996"), /* Light */
GDK_RGBA("77767b"), GDK_RGBA("5e5c64"), GDK_RGBA("3d3846"), GDK_RGBA("241f31"), GDK_RGBA("000000") /* Dark */
};
const char *color_names[] = {
NC_("Color name", "Very Light Blue"),
NC_("Color name", "Light Blue"),
NC_("Color name", "Blue"),
NC_("Color name", "Dark Blue"),
NC_("Color name", "Very Dark Blue"),
NC_("Color name", "Very Light Green"),
NC_("Color name", "Light Green"),
NC_("Color name", "Green"),
NC_("Color name", "Dark Green"),
NC_("Color name", "Very Dark Green"),
NC_("Color name", "Very Light Yellow"),
NC_("Color name", "Light Yellow"),
NC_("Color name", "Yellow"),
NC_("Color name", "Dark Yellow"),
NC_("Color name", "Very Dark Yellow"),
NC_("Color name", "Very Light Orange"),
NC_("Color name", "Light Orange"),
NC_("Color name", "Orange"),
NC_("Color name", "Dark Orange"),
NC_("Color name", "Very Dark Orange"),
NC_("Color name", "Very Light Red"),
NC_("Color name", "Light Red"),
NC_("Color name", "Red"),
NC_("Color name", "Dark Red"),
NC_("Color name", "Very Dark Red"),
NC_("Color name", "Very Light Purple"),
NC_("Color name", "Light Purple"),
NC_("Color name", "Purple"),
NC_("Color name", "Dark Purple"),
NC_("Color name", "Very Dark Purple"),
NC_("Color name", "Very Light Brown"),
NC_("Color name", "Light Brown"),
NC_("Color name", "Brown"),
NC_("Color name", "Dark Brown"),
NC_("Color name", "Very Dark Brown"),
NC_("Color name", "White"),
NC_("Color name", "Light Gray 1"),
NC_("Color name", "Light Gray 2"),
NC_("Color name", "Light Gray 3"),
NC_("Color name", "Light Gray 4"),
NC_("Color name", "Dark Gray 1"),
NC_("Color name", "Dark Gray 2"),
NC_("Color name", "Dark Gray 3"),
NC_("Color name", "Dark Gray 4"),
NC_("Color name", "Black"),
};
add_palette (cc, GTK_ORIENTATION_VERTICAL, 5, 9*5, colors);
add_palette (cc, GTK_ORIENTATION_VERTICAL, 5, 9*5, colors, color_names);
cc->has_default_palette = TRUE;
}
@ -444,6 +538,8 @@ gtk_color_chooser_widget_init (GtkColorChooserWidget *cc)
GVariant *variant;
GVariantIter iter;
gboolean selected;
char *name;
char *text;
cc->use_alpha = TRUE;
@ -484,6 +580,15 @@ gtk_color_chooser_widget_init (GtkColorChooserWidget *cc)
rgba.alpha = color[3];
gtk_color_swatch_set_rgba (GTK_COLOR_SWATCH (p), &rgba);
name = accessible_color_name (&rgba);
text = g_strdup_printf (_("Custom color %d: %s"), i, name);
gtk_accessible_update_property (GTK_ACCESSIBLE (p),
GTK_ACCESSIBLE_PROPERTY_LABEL, text,
-1);
g_free (name);
g_free (text);
gtk_color_swatch_set_can_drop (GTK_COLOR_SWATCH (p), TRUE);
connect_custom_signals (p, cc);
gtk_box_append (GTK_BOX (box), p);
@ -751,7 +856,7 @@ gtk_color_chooser_widget_add_palette (GtkColorChooser *chooser,
GtkColorChooserWidget *cc = GTK_COLOR_CHOOSER_WIDGET (chooser);
remove_default_palette (cc);
add_palette (cc, orientation, colors_per_line, n_colors, colors);
add_palette (cc, orientation, colors_per_line, n_colors, colors, NULL);
gtk_box_reorder_child_after (GTK_BOX (cc->palette), cc->custom_label, gtk_widget_get_last_child (cc->palette));
gtk_box_reorder_child_after (GTK_BOX (cc->palette), cc->custom, cc->custom_label);