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+/* LIBGIMP - The GIMP Library
+ * Copyright (C) 1995-1999 Peter Mattis and Spencer Kimball
+ *
+ * gimpunitcombobox.c
+ * Copyright (C) 2004, 2008 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
+ * Library 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 "gimpwidgetstypes.h"
+
+#include "gimpunitcombobox.h"
+#include "gimpunitstore.h"
+
+
+/**
+ * SECTION: gimpunitcombobox
+ * @title: GimpUnitComboBox
+ * @short_description: A #GtkComboBox to select a #GimpUnit.
+ * @see_also: #GimpUnit, #GimpUnitStore
+ *
+ * #GimpUnitComboBox selects units stored in a #GimpUnitStore.
+ * It replaces the deprecated #GimpUnitMenu.
+ **/
+
+
+static void gimp_unit_combo_box_style_set (GtkWidget *widget,
+ GtkStyle *prev_style);
+static void gimp_unit_combo_box_popup_shown (GtkWidget *widget,
+ const GParamSpec *pspec);
+
+
+G_DEFINE_TYPE (GimpUnitComboBox, gimp_unit_combo_box, GTK_TYPE_COMBO_BOX)
+
+#define parent_class gimp_unit_combo_box_parent_class
+
+
+static void
+gimp_unit_combo_box_class_init (GimpUnitComboBoxClass *klass)
+{
+ GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+
+ widget_class->style_set = gimp_unit_combo_box_style_set;
+
+ gtk_widget_class_install_style_property (widget_class,
+ g_param_spec_double ("label-scale",
+ "Label Scale",
+ "The scale for the text cell renderer",
+ 0.0,
+ G_MAXDOUBLE,
+ 1.0,
+ GIMP_PARAM_READABLE));
+}
+
+static void
+gimp_unit_combo_box_init (GimpUnitComboBox *combo)
+{
+ GtkCellLayout *layout = GTK_CELL_LAYOUT (combo);
+ GtkCellRenderer *cell;
+
+ cell = gtk_cell_renderer_text_new ();
+ gtk_cell_layout_pack_start (layout, cell, TRUE);
+ gtk_cell_layout_set_attributes (layout, cell,
+ "text", GIMP_UNIT_STORE_UNIT_LONG_FORMAT,
+ NULL);
+
+ g_signal_connect (combo, "notify::popup-shown",
+ G_CALLBACK (gimp_unit_combo_box_popup_shown),
+ NULL);
+}
+
+static void
+gimp_unit_combo_box_style_set (GtkWidget *widget,
+ GtkStyle *prev_style)
+{
+ GtkCellLayout *layout;
+ GtkCellRenderer *cell;
+ gdouble scale;
+
+ GTK_WIDGET_CLASS (parent_class)->style_set (widget, prev_style);
+
+ gtk_widget_style_get (widget, "label-scale", &scale, NULL);
+
+ /* hackedehack ... */
+ layout = GTK_CELL_LAYOUT (gtk_bin_get_child (GTK_BIN (widget)));
+ gtk_cell_layout_clear (layout);
+
+ cell = g_object_new (GTK_TYPE_CELL_RENDERER_TEXT,
+ "scale", scale,
+ NULL);
+ gtk_cell_layout_pack_start (layout, cell, TRUE);
+ gtk_cell_layout_set_attributes (layout, cell,
+ "text", GIMP_UNIT_STORE_UNIT_SHORT_FORMAT,
+ NULL);
+}
+
+static void
+gimp_unit_combo_box_popup_shown (GtkWidget *widget,
+ const GParamSpec *pspec)
+{
+ GimpUnitStore *store;
+ gboolean shown;
+
+ g_object_get (widget,
+ "model", &store,
+ "popup-shown", &shown,
+ NULL);
+
+ if (store)
+ {
+ if (shown)
+ _gimp_unit_store_sync_units (store);
+
+ g_object_unref (store);
+ }
+}
+
+
+/**
+ * gimp_unit_combo_box_new:
+ *
+ * Return value: a new #GimpUnitComboBox.
+ **/
+GtkWidget *
+gimp_unit_combo_box_new (void)
+{
+ GtkWidget *combo_box;
+ GimpUnitStore *store;
+
+ store = gimp_unit_store_new (0);
+
+ combo_box = g_object_new (GIMP_TYPE_UNIT_COMBO_BOX,
+ "model", store,
+ NULL);
+
+ g_object_unref (store);
+
+ return combo_box;
+}
+
+/**
+ * gimp_unit_combo_box_new_with_model:
+ * @model: a GimpUnitStore
+ *
+ * Return value: a new #GimpUnitComboBox.
+ **/
+GtkWidget *
+gimp_unit_combo_box_new_with_model (GimpUnitStore *model)
+{
+ return g_object_new (GIMP_TYPE_UNIT_COMBO_BOX,
+ "model", model,
+ NULL);
+}
+
+GimpUnit
+gimp_unit_combo_box_get_active (GimpUnitComboBox *combo)
+{
+ GtkTreeIter iter;
+ gint unit;
+
+ g_return_val_if_fail (GIMP_IS_UNIT_COMBO_BOX (combo), -1);
+
+ gtk_combo_box_get_active_iter (GTK_COMBO_BOX (combo), &iter);
+
+ gtk_tree_model_get (gtk_combo_box_get_model (GTK_COMBO_BOX (combo)), &iter,
+ GIMP_UNIT_STORE_UNIT, &unit,
+ -1);
+
+ return (GimpUnit) unit;
+}
+
+void
+gimp_unit_combo_box_set_active (GimpUnitComboBox *combo,
+ GimpUnit unit)
+{
+ GtkTreeModel *model;
+ GtkTreeIter iter;
+ gboolean iter_valid;
+
+ g_return_if_fail (GIMP_IS_UNIT_COMBO_BOX (combo));
+
+ model = gtk_combo_box_get_model (GTK_COMBO_BOX (combo));
+
+ _gimp_unit_store_sync_units (GIMP_UNIT_STORE (model));
+
+ for (iter_valid = gtk_tree_model_get_iter_first (model, &iter);
+ iter_valid;
+ iter_valid = gtk_tree_model_iter_next (model, &iter))
+ {
+ gint iter_unit;
+
+ gtk_tree_model_get (model, &iter,
+ GIMP_UNIT_STORE_UNIT, &iter_unit,
+ -1);
+
+ if (unit == (GimpUnit) iter_unit)
+ {
+ gtk_combo_box_set_active_iter (GTK_COMBO_BOX (combo), &iter);
+ break;
+ }
+ }
+}