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Add function to clear the display of the currency edit widget

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When first created, the display is blank and in this position will
return the default currency. If a currency is selected, there is no way
to go back to this state. The only way to do this is destroy the widget
and create a new one so added a function to do this without destroying
the widget. This is used in the next commit.
This commit is contained in:
Robert Fewell 2017-07-15 11:06:26 +01:00 committed by John Ralls
parent 0b33a66326
commit 4df714037b
2 changed files with 46 additions and 0 deletions
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36
src/gnome-utils/gnc-currency-edit.c
View File

@ -467,6 +467,42 @@ gnc_currency_edit_get_currency (GNCCurrencyEdit *gce)
return commodity;
}
/** Clear the displayed currency of the widget.
*
* This will clear the currency being displayed just like when first created
* but it still returns the default currency as usual
*
* @param gce The currency editor widget whose values should be retrieved.
*/
void
gnc_currency_edit_clear_display (GNCCurrencyEdit *gce)
{
GtkTreeModel *model;
GtkWidget *entry;
g_return_if_fail(gce != NULL);
g_return_if_fail(GNC_IS_CURRENCY_EDIT(gce));
model = gtk_combo_box_get_model (GTK_COMBO_BOX(gce));
entry = gtk_bin_get_child (GTK_BIN(gce));
g_object_ref (model);
g_signal_handlers_block_by_func (G_OBJECT(gce),
G_CALLBACK(gnc_currency_edit_active_changed), gce);
gtk_combo_box_set_model (GTK_COMBO_BOX(gce), NULL);
gtk_entry_set_text (GTK_ENTRY(entry),"");
gtk_combo_box_set_active (GTK_COMBO_BOX(gce), -1);
gtk_combo_box_set_model (GTK_COMBO_BOX(gce), model);
g_signal_handlers_block_by_func (G_OBJECT(gce),
G_CALLBACK(gnc_currency_edit_active_changed), gce);
g_object_unref (model);
}
/** @} */
/** @} */
/** @} */

10
src/gnome-utils/gnc-currency-edit.h
View File

@ -114,6 +114,16 @@ void gnc_currency_edit_set_currency (GNCCurrencyEdit *gce,
*/
gnc_commodity *gnc_currency_edit_get_currency (GNCCurrencyEdit *gce);
/** Clear the displayed currency of the widget.
*
* This will clear the currency being displayed just like when first created
* but it still returns the default currency as usual
*
* @param gce The currency editor widget whose values should be retrieved.
*/
void gnc_currency_edit_clear_display (GNCCurrencyEdit *gce);
/** @} */
#endif