static void
gwy_value_format_finalize(GObject *object)
{
GwyValueFormat *format = (GwyValueFormat*)object;
ValueFormat *priv = format->priv;
GWY_FREE(priv->units);
GWY_FREE(priv->glue);
GWY_STRING_FREE(priv->value);
G_OBJECT_CLASS(gwy_value_format_parent_class)->finalize(object);
}
static void
alloc_data(GwySurface *surface)
{
GWY_FREE(surface->data);
if (surface->n)
surface->data = g_new(GwyXYZ, surface->n);
}
/**
* gwy_coords_view_set_dimension_format:
* @view: A coords view.
* @d: Dimension index.
* @format: (allow-none) (transfer full):
* Format to use for coordinates in dimension @d.
*
* Sets the format for coordinates in a specific dimension in a coords view.
*
* Changing the format for a dimension influences all columns for this
* dimension with gwy_coords_view_create_column_coord(), whether already
* existing or created in the future.
*
* This method requires the coords type to be set.
*
* If @view displays shapes the format set by this function is in effect only
* for real coordinates, a pixel format is used to display pixel values.
**/
void
gwy_coords_view_set_dimension_format(GwyCoordsView *view,
guint d,
GwyValueFormat *format)
{
g_return_if_fail(GWY_IS_COORDS_VIEW(view));
CoordsView *priv = view->priv;
g_return_if_fail(priv->dim_info);
g_return_if_fail(d < priv->coords_class->dimension);
DimInfo *dim_info = priv->dim_info + d;
if (!gwy_set_member_object(view, format, GWY_TYPE_VALUE_FORMAT,
&dim_info->vf,
"notify", format_notify,
&dim_info->vf_notify_id,
G_CONNECT_SWAPPED,
NULL))
return;
gboolean title_changed = FALSE;
if (!format && dim_info->units) {
GWY_FREE(dim_info->units);
title_changed = TRUE;
}
else if (format) {
const gchar *units = gwy_value_format_get_units(format);
if (!dim_info->units) {
dim_info->units = g_strdup(units);
title_changed = TRUE;
}
else if (dim_info->units && !gwy_strequal(dim_info->units, units)) {
GWY_FREE(dim_info->units);
dim_info->units = g_strdup(units);
title_changed = TRUE;
}
}
if (title_changed)
recalc_column_titles_for_dim(view, d);
// Is this sufficient to re-render the cells?
gtk_widget_queue_draw(GTK_WIDGET(view));
}
static void
close_module(GModule *mod, const gchar *filename)
{
gchar *modfilename = NULL;
// We cannot get the file name after we close the module, even
// unsuccessfull, because it may be freed.
if (!filename) {
modfilename = g_strdup(g_module_name(mod));
filename = modfilename;
}
if (g_module_close(mod)) {
GWY_FREE(modfilename);
return;
}
g_warning("Cannot close module ‘%s’: %s", filename, g_module_error());
GWY_FREE(modfilename);
}
static void
column_gone(gpointer data,
GObject *where_the_object_was)
{
GwyCoordsView *view = (GwyCoordsView*)data;
CoordsView *priv = view->priv;
GSList *l = find_column_info(view,
(GtkTreeViewColumn*)where_the_object_was);
g_return_if_fail(l);
priv->column_info = g_slist_remove_link(priv->column_info, l);
ColumnInfo *column_info = (ColumnInfo*)l->data;
column_info->column = NULL;
GWY_FREE(column_info->title);
g_slist_free1(l);
}
static void
free_dim_info(GwyCoordsView *view)
{
CoordsView *priv = view->priv;
if (!priv->dim_info)
return;
guint dimension = priv->coords_class->dimension;
for (guint i = 0; i < dimension; i++) {
DimInfo *info = priv->dim_info + i;
GWY_SIGNAL_HANDLER_DISCONNECT(info->vf, info->vf_notify_id);
GWY_OBJECT_UNREF(info->vf);
GWY_FREE(info->units);
}
g_slice_free1(dimension*sizeof(DimInfo), priv->dim_info);
priv->dim_info = NULL;
g_type_class_unref(priv->coords_class);
}
static void
free_data(GwySurface *surface)
{
GWY_FREE(surface->data);
}