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Diffstat (limited to 'libgimpwidgets/gimpenumlabel.c')
| -rw-r--r-- | libgimpwidgets/gimpenumlabel.c | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/libgimpwidgets/gimpenumlabel.c b/libgimpwidgets/gimpenumlabel.c new file mode 100644 index 0000000..ad114ad --- /dev/null +++ b/libgimpwidgets/gimpenumlabel.c @@ -0,0 +1,218 @@ +/* LIBGIMP - The GIMP Library + * Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball + * + * gimpenumlabel.c + * Copyright (C) 2005 Sven Neumann <sven@gimp.org> + * + * This library is free software: you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library. If not, see + * <https://www.gnu.org/licenses/>. + */ + +#include "config.h" + +#include <gtk/gtk.h> + +#include "libgimpbase/gimpbase.h" + +#include "gimpwidgetstypes.h" + +#include "gimpenumlabel.h" + + +/** + * SECTION: gimpenumlabel + * @title: GimpEnumLabel + * @short_description: A #GtkLabel subclass that displays an enum value. + * + * A #GtkLabel subclass that displays an enum value. + **/ + + +enum +{ + PROP_0, + PROP_ENUM_TYPE, + PROP_ENUM_VALUE +}; + + +static void gimp_enum_label_finalize (GObject *object); +static void gimp_enum_label_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec); +static void gimp_enum_label_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec); + + +G_DEFINE_TYPE (GimpEnumLabel, gimp_enum_label, GTK_TYPE_LABEL) + +#define parent_class gimp_enum_label_parent_class + + +static void +gimp_enum_label_class_init (GimpEnumLabelClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + object_class->finalize = gimp_enum_label_finalize; + object_class->get_property = gimp_enum_label_get_property; + object_class->set_property = gimp_enum_label_set_property; + + /** + * GimpEnumLabel:enum-type: + * + * The #GType of the enum. + * + * Since: 2.8 + **/ + g_object_class_install_property (object_class, PROP_ENUM_TYPE, + g_param_spec_gtype ("enum-type", + "Enum Type", + "The type of the displayed enum", + G_TYPE_NONE, + GIMP_PARAM_READWRITE | + G_PARAM_CONSTRUCT_ONLY)); + + /** + * GimpEnumLabel:enum-value: + * + * The value to display. + * + * Since: 2.8 + **/ + g_object_class_install_property (object_class, PROP_ENUM_VALUE, + g_param_spec_int ("enum-value", + "Enum Value", + "The enum value to display", + G_MININT, G_MAXINT, 0, + GIMP_PARAM_WRITABLE | + G_PARAM_CONSTRUCT)); +} + +static void +gimp_enum_label_init (GimpEnumLabel *enum_label) +{ +} + +static void +gimp_enum_label_finalize (GObject *object) +{ + GimpEnumLabel *enum_label = GIMP_ENUM_LABEL (object); + + g_clear_pointer (&enum_label->enum_class, g_type_class_unref); + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +static void +gimp_enum_label_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec) +{ + GimpEnumLabel *label = GIMP_ENUM_LABEL (object); + + switch (property_id) + { + case PROP_ENUM_TYPE: + if (label->enum_class) + g_value_set_gtype (value, G_TYPE_FROM_CLASS (label->enum_class)); + else + g_value_set_gtype (value, G_TYPE_NONE); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static void +gimp_enum_label_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec) +{ + GimpEnumLabel *label = GIMP_ENUM_LABEL (object); + + switch (property_id) + { + case PROP_ENUM_TYPE: + label->enum_class = g_type_class_ref (g_value_get_gtype (value)); + break; + + case PROP_ENUM_VALUE: + gimp_enum_label_set_value (label, g_value_get_int (value)); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +/** + * gimp_enum_label_new: + * @enum_type: the #GType of an enum + * @value: an enum value + * + * Return value: a new #GimpEnumLabel. + * + * Since: 2.4 + **/ +GtkWidget * +gimp_enum_label_new (GType enum_type, + gint value) +{ + g_return_val_if_fail (G_TYPE_IS_ENUM (enum_type), NULL); + + return g_object_new (GIMP_TYPE_ENUM_LABEL, + "enum-type", enum_type, + "enum-value", value, + NULL); +} + +/** + * gimp_enum_label_set_value + * @label: a #GimpEnumLabel + * @value: an enum value + * + * Since: 2.4 + **/ +void +gimp_enum_label_set_value (GimpEnumLabel *label, + gint value) +{ + const gchar *nick; + const gchar *desc; + + g_return_if_fail (GIMP_IS_ENUM_LABEL (label)); + + if (! gimp_enum_get_value (G_TYPE_FROM_CLASS (label->enum_class), value, + NULL, &nick, &desc, NULL)) + { + g_warning ("%s: %d is not valid for enum of type '%s'", + G_STRLOC, value, + g_type_name (G_TYPE_FROM_CLASS (label->enum_class))); + return; + } + + if (! desc) + desc = nick; + + gtk_label_set_text (GTK_LABEL (label), desc); +} |