static void
inventory_item_inserted(GwyInventory *inventory,
guint pos,
GtkTreeStore *store)
{
GrainValueStorePrivate *priv;
GwyGrainValue *gvalue;
GwyGrainValueGroup group;
GtkTreeIter siter, iter;
priv = g_object_get_qdata(G_OBJECT(store), priv_quark);
g_return_if_fail(pos >= priv->user_start_pos);
siter = priv->user_group_iter;
gvalue = gwy_inventory_get_nth_item(inventory, pos);
g_return_if_fail(GWY_IS_GRAIN_VALUE(gvalue));
group = gwy_grain_value_get_group(gvalue);
g_return_if_fail(group == GWY_GRAIN_VALUE_GROUP_USER);
gtk_tree_store_insert(store, &iter, &siter, pos - priv->user_start_pos);
gtk_tree_store_set(store, &iter,
GWY_GRAIN_VALUE_STORE_COLUMN_ITEM, gvalue,
GWY_GRAIN_VALUE_STORE_COLUMN_GROUP, group,
-1);
}
static GPtrArray*
calculate_all_grain_values(GwyDataField *dfield,
GwyDataField *mask,
guint *ngrains,
gint **grains)
{
GwyGrainValue **gvalues;
guint xres = dfield->xres, yres = dfield->yres, n, i;
GwyInventory *inventory;
GPtrArray *valuedata;
*grains = g_new0(gint, xres*yres);
*ngrains = gwy_data_field_number_grains(mask, *grains);
inventory = gwy_grain_values();
n = gwy_inventory_get_n_items(inventory);
valuedata = g_ptr_array_new();
g_ptr_array_set_size(valuedata, n);
gvalues = g_new(GwyGrainValue*, n);
for (i = 0; i < n; i++) {
gvalues[i] = gwy_inventory_get_nth_item(inventory, i);
g_ptr_array_index(valuedata, i) = g_new(gdouble, *ngrains + 1);
}
gwy_grain_values_calculate(n, gvalues, (gdouble**)valuedata->pdata,
dfield, *ngrains, *grains);
g_free(gvalues);
return valuedata;
}
/**
* gwy_enum_combo_box_update_int:
* @combo: A combo box which was created with gwy_enum_combo_box_new().
* @integer: Pointer to an integer to update to selected enum value.
*
* Convenience callback keeping an integer synchronized with selected enum
* combo box value.
**/
void
gwy_enum_combo_box_update_int(GtkComboBox *combo,
gint *integer)
{
GwyInventoryStore *store;
const GwyEnum *item;
gint i;
i = gtk_combo_box_get_active(combo);
store = GWY_INVENTORY_STORE(gtk_combo_box_get_model(combo));
g_return_if_fail(GWY_IS_INVENTORY_STORE(store));
item = gwy_inventory_get_nth_item(gwy_inventory_store_get_inventory(store),
i);
g_return_if_fail(item);
*integer = item->value;
}
/**
* gwy_enum_combo_box_get_active:
* @combo: A combo box which was created with gwy_enum_combo_box_new().
*
* Gets the enum value corresponding to currently active combo box item.
*
* Returns: The selected enum value.
**/
gint
gwy_enum_combo_box_get_active(GtkComboBox *combo)
{
GwyInventoryStore *store;
const GwyEnum *item;
gint i;
i = gtk_combo_box_get_active(combo);
store = GWY_INVENTORY_STORE(gtk_combo_box_get_model(combo));
g_return_val_if_fail(GWY_IS_INVENTORY_STORE(store), -1);
item = gwy_inventory_get_nth_item(gwy_inventory_store_get_inventory(store),
i);
g_return_val_if_fail(item, -1);
return item->value;
}
static GtkTreeModel*
gwy_grain_value_tree_model_new(gboolean show_id)
{
GrainValueStorePrivate *priv;
GwyInventory *inventory;
GtkTreeStore *store;
GtkTreeIter siter, iter;
GwyGrainValue *gvalue;
GwyGrainValueGroup group, lastgroup;
guint i, j, n;
if (!priv_quark)
priv_quark = g_quark_from_static_string("gwy-grain-value-chooser-data");
priv = g_new0(GrainValueStorePrivate, 1);
store = gtk_tree_store_new(3,
GWY_TYPE_GRAIN_VALUE,
GWY_TYPE_GRAIN_VALUE_GROUP,
G_TYPE_BOOLEAN);
g_object_set_qdata_full(G_OBJECT(store), priv_quark, priv, g_free);
inventory = gwy_grain_values();
n = gwy_inventory_get_n_items(inventory);
lastgroup = -1;
for (i = j = 0; i < n; i++) {
gvalue = gwy_inventory_get_nth_item(inventory, i);
group = gwy_grain_value_get_group(gvalue);
if (!show_id && group == GWY_GRAIN_VALUE_GROUP_ID)
continue;
if (group != lastgroup) {
gtk_tree_store_insert_after(store, &siter, NULL,
lastgroup != (GwyGrainValueGroup)-1
? &siter
: NULL);
gtk_tree_store_set(store, &siter,
GWY_GRAIN_VALUE_STORE_COLUMN_GROUP, group,
-1);
if (group == GWY_GRAIN_VALUE_GROUP_USER) {
priv->user_group_iter = siter;
priv->user_start_pos = i;
}
lastgroup = group;
j = 0;
}
gtk_tree_store_insert_after(store, &iter, &siter, j ? &iter : NULL);
gtk_tree_store_set(store, &iter,
GWY_GRAIN_VALUE_STORE_COLUMN_ITEM, gvalue,
GWY_GRAIN_VALUE_STORE_COLUMN_GROUP, group,
-1);
j++;
}
/* Ensure User branch is present, even if empty */
if (lastgroup != GWY_GRAIN_VALUE_GROUP_USER) {
group = GWY_GRAIN_VALUE_GROUP_USER;
gtk_tree_store_insert_after(store, &siter, NULL, i ? &siter : NULL);
gtk_tree_store_set(store, &siter,
GWY_GRAIN_VALUE_STORE_COLUMN_GROUP, group,
-1);
priv->user_group_iter = siter;
priv->user_start_pos = i;
}
g_signal_connect(inventory, "item-updated",
G_CALLBACK(inventory_item_updated), store);
g_signal_connect(inventory, "item-inserted",
G_CALLBACK(inventory_item_inserted), store);
g_signal_connect(inventory, "item-deleted",
G_CALLBACK(inventory_item_deleted), store);
g_object_weak_ref(G_OBJECT(store), grain_value_store_finalized, inventory);
return GTK_TREE_MODEL(store);
}
