Adding upstream version 2.10.34.upstream/2.10.34upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 351 insertions, 0 deletions

diff --git a/libgimpwidgets/gimpintstore.c b/libgimpwidgets/gimpintstore.c
new file mode 100644
index 0000000..54c6cf9
--- /dev/null
+++ b/libgimpwidgets/gimpintstore.c
@@ -0,0 +1,351 @@
+/* LIBGIMP - The GIMP Library
+ * Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
+ *
+ * gimpintstore.c
+ * Copyright (C) 2004-2007  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 <string.h>
+
+#include <gtk/gtk.h>
+
+#include "gimpwidgetstypes.h"
+
+#include "gimpintstore.h"
+
+#include "libgimp/libgimp-intl.h"
+
+
+/**
+ * SECTION: gimpintstore
+ * @title: GimpIntStore
+ * @short_description: A model for integer based name-value pairs
+ *                     (e.g. enums)
+ *
+ * A model for integer based name-value pairs (e.g. enums)
+ **/
+
+
+enum
+{
+  PROP_0,
+  PROP_USER_DATA_TYPE
+};
+
+typedef struct
+{
+  GType  user_data_type;
+} GimpIntStorePrivate;
+
+
+static void  gimp_int_store_tree_model_init (GtkTreeModelIface *iface);
+
+static void  gimp_int_store_constructed     (GObject           *object);
+static void  gimp_int_store_finalize        (GObject           *object);
+static void  gimp_int_store_set_property    (GObject           *object,
+                                             guint              property_id,
+                                             const GValue      *value,
+                                             GParamSpec        *pspec);
+static void  gimp_int_store_get_property    (GObject           *object,
+                                             guint              property_id,
+                                             GValue            *value,
+                                             GParamSpec        *pspec);
+
+static void  gimp_int_store_row_inserted    (GtkTreeModel      *model,
+                                             GtkTreePath       *path,
+                                             GtkTreeIter       *iter);
+static void  gimp_int_store_row_deleted     (GtkTreeModel      *model,
+                                             GtkTreePath       *path);
+static void  gimp_int_store_add_empty       (GimpIntStore      *store);
+
+
+G_DEFINE_TYPE_WITH_CODE (GimpIntStore, gimp_int_store, GTK_TYPE_LIST_STORE,
+                         G_ADD_PRIVATE (GimpIntStore)
+                         G_IMPLEMENT_INTERFACE (GTK_TYPE_TREE_MODEL,
+                                                gimp_int_store_tree_model_init))
+
+#define GIMP_INT_STORE_GET_PRIVATE(obj) \
+  ((GimpIntStorePrivate *) gimp_int_store_get_instance_private ((GimpIntStore *) (obj)))
+
+#define parent_class gimp_int_store_parent_class
+
+static GtkTreeModelIface *parent_iface = NULL;
+
+
+static void
+gimp_int_store_class_init (GimpIntStoreClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  object_class->constructed  = gimp_int_store_constructed;
+  object_class->finalize     = gimp_int_store_finalize;
+  object_class->set_property = gimp_int_store_set_property;
+  object_class->get_property = gimp_int_store_get_property;
+
+  /**
+   * GimpIntStore:user-data-type:
+   *
+   * Sets the #GType for the GIMP_INT_STORE_USER_DATA column.
+   *
+   * You need to set this property when constructing the store if you want
+   * to use the GIMP_INT_STORE_USER_DATA column and want to have the store
+   * handle ref-counting of your user data.
+   *
+   * Since: 2.4
+   */
+  g_object_class_install_property (object_class,
+                                   PROP_USER_DATA_TYPE,
+                                   g_param_spec_gtype ("user-data-type",
+                                                       "User Data Type",
+                                                       "The GType of the user_data column",
+                                                       G_TYPE_NONE,
+                                                       G_PARAM_CONSTRUCT_ONLY |
+                                                       GIMP_PARAM_READWRITE));
+}
+
+static void
+gimp_int_store_tree_model_init (GtkTreeModelIface *iface)
+{
+  parent_iface = g_type_interface_peek_parent (iface);
+
+  iface->row_inserted = gimp_int_store_row_inserted;
+  iface->row_deleted  = gimp_int_store_row_deleted;
+}
+
+static void
+gimp_int_store_init (GimpIntStore *store)
+{
+  store->empty_iter = NULL;
+}
+
+static void
+gimp_int_store_constructed (GObject *object)
+{
+  GimpIntStore        *store = GIMP_INT_STORE (object);
+  GimpIntStorePrivate *priv  = GIMP_INT_STORE_GET_PRIVATE (store);
+  GType                types[GIMP_INT_STORE_NUM_COLUMNS];
+
+  G_OBJECT_CLASS (parent_class)->constructed (object);
+
+  types[GIMP_INT_STORE_VALUE]     = G_TYPE_INT;
+  types[GIMP_INT_STORE_LABEL]     = G_TYPE_STRING;
+  types[GIMP_INT_STORE_ICON_NAME] = G_TYPE_STRING;
+  types[GIMP_INT_STORE_PIXBUF]    = GDK_TYPE_PIXBUF;
+  types[GIMP_INT_STORE_USER_DATA] = (priv->user_data_type != G_TYPE_NONE ?
+                                     priv->user_data_type : G_TYPE_POINTER);
+  types[GIMP_INT_STORE_ABBREV]    = G_TYPE_STRING;
+
+  gtk_list_store_set_column_types (GTK_LIST_STORE (store),
+                                   GIMP_INT_STORE_NUM_COLUMNS, types);
+
+  gimp_int_store_add_empty (store);
+}
+
+static void
+gimp_int_store_finalize (GObject *object)
+{
+  GimpIntStore *store = GIMP_INT_STORE (object);
+
+  if (store->empty_iter)
+    {
+      gtk_tree_iter_free (store->empty_iter);
+      store->empty_iter = NULL;
+    }
+
+  G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+gimp_int_store_set_property (GObject      *object,
+                             guint         property_id,
+                             const GValue *value,
+                             GParamSpec   *pspec)
+{
+  GimpIntStorePrivate *priv = GIMP_INT_STORE_GET_PRIVATE (object);
+
+  switch (property_id)
+    {
+    case PROP_USER_DATA_TYPE:
+      priv->user_data_type = g_value_get_gtype (value);
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+      break;
+    }
+}
+
+static void
+gimp_int_store_get_property (GObject    *object,
+                             guint       property_id,
+                             GValue     *value,
+                             GParamSpec *pspec)
+{
+  GimpIntStorePrivate *priv = GIMP_INT_STORE_GET_PRIVATE (object);
+
+  switch (property_id)
+    {
+    case PROP_USER_DATA_TYPE:
+      g_value_set_gtype (value, priv->user_data_type);
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+      break;
+    }
+}
+
+static void
+gimp_int_store_row_inserted (GtkTreeModel *model,
+                             GtkTreePath  *path,
+                             GtkTreeIter  *iter)
+{
+  GimpIntStore *store = GIMP_INT_STORE (model);
+
+  if (parent_iface->row_inserted)
+    parent_iface->row_inserted (model, path, iter);
+
+  if (store->empty_iter &&
+      memcmp (iter, store->empty_iter, sizeof (GtkTreeIter)))
+    {
+      gtk_list_store_remove (GTK_LIST_STORE (store), store->empty_iter);
+      gtk_tree_iter_free (store->empty_iter);
+      store->empty_iter = NULL;
+    }
+}
+
+static void
+gimp_int_store_row_deleted (GtkTreeModel *model,
+                            GtkTreePath  *path)
+{
+  if (parent_iface->row_deleted)
+    parent_iface->row_deleted (model, path);
+}
+
+static void
+gimp_int_store_add_empty (GimpIntStore *store)
+{
+  GtkTreeIter iter = { 0, };
+
+  g_return_if_fail (store->empty_iter == NULL);
+
+  gtk_list_store_prepend (GTK_LIST_STORE (store), &iter);
+  gtk_list_store_set (GTK_LIST_STORE (store), &iter,
+                      GIMP_INT_STORE_VALUE, -1,
+                      /* This string appears in an empty menu as in
+                       * "nothing selected and nothing to select"
+                       */
+                      GIMP_INT_STORE_LABEL, (_("(Empty)")),
+                      -1);
+
+  store->empty_iter = gtk_tree_iter_copy (&iter);
+}
+
+/**
+ * gimp_int_store_new:
+ *
+ * Creates a #GtkListStore with a number of useful columns.
+ * #GimpIntStore is especially useful if the items you want to store
+ * are identified using an integer value.
+ *
+ * Return value: a new #GimpIntStore.
+ *
+ * Since: 2.2
+ **/
+GtkListStore *
+gimp_int_store_new (void)
+{
+  return g_object_new (GIMP_TYPE_INT_STORE, NULL);
+}
+
+/**
+ * gimp_int_store_lookup_by_value:
+ * @model: a #GimpIntStore
+ * @value: an integer value to lookup in the @model
+ * @iter:  return location for the iter of the given @value
+ *
+ * Iterate over the @model looking for @value.
+ *
+ * Return value: %TRUE if the value has been located and @iter is
+ *               valid, %FALSE otherwise.
+ *
+ * Since: 2.2
+ **/
+gboolean
+gimp_int_store_lookup_by_value (GtkTreeModel *model,
+                                gint          value,
+                                GtkTreeIter  *iter)
+{
+  gboolean  iter_valid;
+
+  g_return_val_if_fail (GTK_IS_TREE_MODEL (model), FALSE);
+  g_return_val_if_fail (iter != NULL, FALSE);
+
+  for (iter_valid = gtk_tree_model_get_iter_first (model, iter);
+       iter_valid;
+       iter_valid = gtk_tree_model_iter_next (model, iter))
+    {
+      gint  this;
+
+      gtk_tree_model_get (model, iter,
+                          GIMP_INT_STORE_VALUE, &this,
+                          -1);
+      if (this == value)
+        break;
+    }
+
+  return iter_valid;
+}
+
+/**
+ * gimp_int_store_lookup_by_user_data:
+ * @model: a #GimpIntStore
+ * @user_data: a gpointer "user-data" to lookup in the @model
+ * @iter:  return location for the iter of the given @user_data
+ *
+ * Iterate over the @model looking for @user_data.
+ *
+ * Return value: %TRUE if the user-data has been located and @iter is
+ *               valid, %FALSE otherwise.
+ *
+ * Since: 2.10
+ **/
+gboolean
+gimp_int_store_lookup_by_user_data (GtkTreeModel *model,
+                                    gpointer      user_data,
+                                    GtkTreeIter  *iter)
+{
+  gboolean iter_valid = FALSE;
+
+  g_return_val_if_fail (GTK_IS_TREE_MODEL (model), FALSE);
+  g_return_val_if_fail (iter != NULL, FALSE);
+
+  for (iter_valid = gtk_tree_model_get_iter_first (model, iter);
+       iter_valid;
+       iter_valid = gtk_tree_model_iter_next (model, iter))
+    {
+      gpointer this;
+
+      gtk_tree_model_get (model, iter,
+                          GIMP_INT_STORE_USER_DATA, &this,
+                          -1);
+      if (this == user_data)
+        break;
+    }
+
+  return (gboolean) iter_valid;
+}