/** Adjust tab stops for the given node to display all the given values.
*
* @param model model being handled
* @param path path of the current node
* @param iter iter of the current node
* @param adjust_data data prepared by adjust_tabs
* @return always FALSE (= never stop)
*/
static gboolean adjust_tabs_for_node(GtkTreeModel * model, GtkTreePath * path,
GtkTreeIter * iter,
struct adjust_data * adjust_data)
{
char * choice;
char ** values;
gint columns;
gint value_width;
gint previous_location;
gint location;
gint i;
gtk_tree_model_get(model, iter,
/* column: */ CHOICE_MODEL_TRANSLATED_VALUE, &choice,
-1 /* end of list */);
values = g_strsplit(choice, "\t", 0 /* split all */);
columns = g_strv_length(values);
if (pango_tab_array_get_size(adjust_data->tab_array) < columns - 1) {
pango_tab_array_resize(adjust_data->tab_array, columns - 1);
}
previous_location = 0;
for (i = 0; columns > i + 1; i++) {
value_width = cdebconf_gtk_get_text_width(
adjust_data->widget, values[i]) + COLUMN_SPACING;
pango_tab_array_get_tab(adjust_data->tab_array, i,
NULL /* don't get alignment */, &location);
if (location - previous_location < value_width) {
location = previous_location + value_width;
pango_tab_array_set_tab(adjust_data->tab_array, i, PANGO_TAB_LEFT,
location);
}
previous_location = location;
}
#if 0
/* DEBUG: dump tabs */
g_warning("dump after choice: %s", choice);
for (i = 0; pango_tab_array_get_size(adjust_data->tab_array) > i; i++) {
pango_tab_array_get_tab(adjust_data->tab_array, i,
NULL /* don't get alignment */,
&location);
g_warning("%d: %d", i, location);
}
#endif
g_free(choice);
g_strfreev(values);
return FALSE;
}
/**
* pango_tab_array_set_tab:
* @tab_array: a #PangoTabArray
* @tab_index: the index of a tab stop
* @alignment: tab alignment
* @location: tab location in Pango units
*
* Sets the alignment and location of a tab stop.
* @alignment must always be #PANGO_TAB_LEFT in the current
* implementation.
*
**/
void
pango_tab_array_set_tab (PangoTabArray *tab_array,
gint tab_index,
PangoTabAlign alignment,
gint location)
{
g_return_if_fail (tab_array != NULL);
g_return_if_fail (tab_index >= 0);
g_return_if_fail (alignment == PANGO_TAB_LEFT);
g_return_if_fail (location >= 0);
if (tab_index >= tab_array->size)
pango_tab_array_resize (tab_array, tab_index + 1);
tab_array->tabs[tab_index].alignment = alignment;
tab_array->tabs[tab_index].location = location;
}