static void
gnc_template_register_save_debcred_cell (BasicCell * cell,
        gpointer save_data,
        gpointer user_data)
{
    SRSaveData *sd = save_data;
    SplitRegister *reg = user_data;
    const char *credit_formula, *debit_formula;
    char *error_loc;
    gnc_numeric credit_amount, debit_amount;
    gboolean parse_result;

    g_return_if_fail (gnc_basic_cell_has_name (cell, FDEBT_CELL) ||
                      gnc_basic_cell_has_name (cell, FCRED_CELL));

    if (sd->handled_dc)
        return;

    /* amountStr = gnc_numeric_to_string (new_amount); */

    credit_formula = gnc_table_layout_get_cell_value (reg->table->layout,
						      FCRED_CELL);
    /* If the value can be parsed into a numeric result (without any
     * further variable definitions), store that numeric value
     * additionally in the kvp. Otherwise store a zero numeric
     * there.*/
    parse_result = gnc_exp_parser_parse_separate_vars(credit_formula,
						      &credit_amount,
						      &error_loc, NULL);
    if (!parse_result)
        credit_amount = gnc_numeric_zero();

    debit_formula = gnc_table_layout_get_cell_value (reg->table->layout,
						     FDEBT_CELL);

    /* If the value can be parsed into a numeric result, store that
     * numeric value additionally. See above comment.*/
    parse_result = gnc_exp_parser_parse_separate_vars(debit_formula,
						      &debit_amount,
						      &error_loc, NULL);
    if (!parse_result)
        debit_amount = gnc_numeric_zero();

    qof_instance_set (QOF_INSTANCE (sd->split),
		      "sx-credit-formula", credit_formula,
		      "sx-credit-numeric", &credit_amount,
		      "sx-debit-formula", debit_formula,
		      "sx-debit-numeric", &debit_amount,
		      NULL);
    /* set the amount to an innocuous value */
    /* Note that this marks the split dirty */
    xaccSplitSetValue (sd->split, gnc_numeric_create (0, 1));

    sd->handled_dc = TRUE;
}
static void
gnc_template_register_save_debcred_cell (BasicCell * cell,
        gpointer save_data,
        gpointer user_data)
{
    SRSaveData *sd = save_data;
    SplitRegister *reg = user_data;
    kvp_frame *kvpf;
    const char *value;
    char *error_loc;
    gnc_numeric new_amount;
    gboolean parse_result;

    g_return_if_fail (gnc_basic_cell_has_name (cell, FDEBT_CELL) ||
                      gnc_basic_cell_has_name (cell, FCRED_CELL));

    if (sd->handled_dc)
        return;

    kvpf = xaccSplitGetSlots (sd->split);

    DEBUG ("kvp_frame before: %s\n", kvp_frame_to_string (kvpf));

    /* amountStr = gnc_numeric_to_string (new_amount); */

    value = gnc_table_layout_get_cell_value (reg->table->layout, FCRED_CELL);
    kvp_frame_set_slot_path (kvpf, kvp_value_new_string (value),
                             GNC_SX_ID,
                             GNC_SX_CREDIT_FORMULA,
                             NULL);

    /* If the value can be parsed into a numeric result (without any
     * further variable definitions), store that numeric value
     * additionally in the kvp. Otherwise store a zero numeric
     * there.*/
    parse_result = gnc_exp_parser_parse_separate_vars(value, &new_amount, &error_loc, NULL);
    if (!parse_result)
    {
        new_amount = gnc_numeric_zero();
    }
    kvp_frame_set_slot_path (kvpf, kvp_value_new_numeric (new_amount),
                             GNC_SX_ID,
                             GNC_SX_CREDIT_NUMERIC,
                             NULL);

    value = gnc_table_layout_get_cell_value (reg->table->layout, FDEBT_CELL);

    kvp_frame_set_slot_path (kvpf,
                             kvp_value_new_string (value),
                             GNC_SX_ID,
                             GNC_SX_DEBIT_FORMULA,
                             NULL);

    /* If the value can be parsed into a numeric result, store that
     * numeric value additionally. See above comment.*/
    parse_result = gnc_exp_parser_parse_separate_vars(value, &new_amount, &error_loc, NULL);
    if (!parse_result)
    {
        new_amount = gnc_numeric_zero();
    }
    kvp_frame_set_slot_path (kvpf, kvp_value_new_numeric (new_amount),
                             GNC_SX_ID,
                             GNC_SX_DEBIT_NUMERIC,
                             NULL);

    DEBUG ("kvp_frame  after: %s\n", kvp_frame_to_string (kvpf));

    /* set the amount to an innocuous value */
    /* Note that this marks the split dirty */
    xaccSplitSetValue (sd->split, gnc_numeric_create (0, 1));

    sd->handled_dc = TRUE;
}
static void gnc_entry_ledger_save_cells (gpointer save_data,
        gpointer user_data)
{
    GncEntryLedger *ledger = user_data;
    GncEntry *entry = save_data;

    g_return_if_fail (entry != NULL);

    /* copy the contents from the cursor to the split */

    if (gnc_table_layout_get_cell_changed (ledger->table->layout,
                                           ENTRY_IACCT_CELL, TRUE))
    {
        Account *acc;

        acc = gnc_entry_ledger_get_account (ledger, ENTRY_IACCT_CELL);

        if (acc != NULL)
            gncEntrySetInvAccount (entry, acc);
    }

    if (gnc_table_layout_get_cell_changed (ledger->table->layout,
                                           ENTRY_BACCT_CELL, TRUE))
    {
        Account *acc;

        acc = gnc_entry_ledger_get_account (ledger, ENTRY_BACCT_CELL);

        if (acc != NULL)
            gncEntrySetBillAccount (entry, acc);
    }

    if (gnc_table_layout_get_cell_changed (ledger->table->layout,
                                           ENTRY_ACTN_CELL, TRUE))
    {
        const char *value;

        value = gnc_table_layout_get_cell_value (ledger->table->layout,
                ENTRY_ACTN_CELL);
        gncEntrySetAction (entry, value);
    }

    if (gnc_table_layout_get_cell_changed (ledger->table->layout,
                                           ENTRY_DATE_CELL, TRUE))
    {
        BasicCell *cell;
        GDate date;

        cell = gnc_table_layout_get_cell (ledger->table->layout, ENTRY_DATE_CELL);

        /* commit any pending changes */
        gnc_date_cell_commit ((DateCell *) cell);

        gnc_date_cell_get_date_gdate ((DateCell *) cell, &date);
        gncEntrySetDateGDate (entry, &date);
    }

    if (gnc_table_layout_get_cell_changed (ledger->table->layout,
                                           ENTRY_DESC_CELL, TRUE))
    {
        const char *value;

        value = gnc_table_layout_get_cell_value (ledger->table->layout,
                ENTRY_DESC_CELL);
        gncEntrySetDescription (entry, value);
    }

    if (gnc_table_layout_get_cell_changed (ledger->table->layout,
                                           ENTRY_DISC_CELL, TRUE))
    {
        gnc_numeric amount;

        if (gnc_entry_ledger_get_numeric (ledger, ENTRY_DISC_CELL, &amount))
            gncEntrySetInvDiscount (entry, amount);
    }

    if (gnc_table_layout_get_cell_changed (ledger->table->layout,
                                           ENTRY_DISTYPE_CELL, TRUE))
    {
        gint type;

        type = gnc_entry_ledger_get_type (ledger, ENTRY_DISTYPE_CELL);

        if (type != -1)
            gncEntrySetInvDiscountType (entry, type);
    }

    if (gnc_table_layout_get_cell_changed (ledger->table->layout,
                                           ENTRY_DISHOW_CELL, TRUE))
    {
        gint type;

        type = gnc_entry_ledger_get_type (ledger, ENTRY_DISHOW_CELL);

        if (type != -1)
            gncEntrySetInvDiscountHow (entry, type);
    }

    if (gnc_table_layout_get_cell_changed (ledger->table->layout,
                                           ENTRY_QTY_CELL, TRUE))
    {
        gnc_numeric amount;

        if (gnc_entry_ledger_get_numeric (ledger, ENTRY_QTY_CELL, &amount))
        {
            gncEntrySetDocQuantity (entry, amount, ledger->is_credit_note);
        }
    }

    if (gnc_table_layout_get_cell_changed (ledger->table->layout,
                                           ENTRY_BILLABLE_CELL, TRUE))
    {
        gboolean billable;

        billable = gnc_entry_ledger_get_checkmark (ledger, ENTRY_BILLABLE_CELL);
        gncEntrySetBillable (entry, billable);
    }

    if (gnc_table_layout_get_cell_changed (ledger->table->layout,
                                           ENTRY_PAYMENT_CELL, TRUE))
    {
        const char *value;

        value = gnc_table_layout_get_cell_value (ledger->table->layout,
                ENTRY_PAYMENT_CELL);
        if (!g_strcmp0 (value, _("Cash")))
            gncEntrySetBillPayment (entry, GNC_PAYMENT_CASH);
        else if (!g_strcmp0 (value, _("Charge")))
            gncEntrySetBillPayment (entry, GNC_PAYMENT_CARD);
        else
            g_warning ("Invalid Payment cell: %s", value ? value : "(null)");
    }

    if (gnc_table_layout_get_cell_changed (ledger->table->layout,
                                           ENTRY_PRIC_CELL, TRUE))
    {
        gnc_numeric amount;

        if (gnc_entry_ledger_get_numeric (ledger, ENTRY_PRIC_CELL, &amount))
        {
            if (ledger->is_cust_doc)
                gncEntrySetInvPrice (entry, amount);
            else
                gncEntrySetBillPrice (entry, amount);
        }
    }

    if (gnc_table_layout_get_cell_changed (ledger->table->layout,
                                           ENTRY_TAXABLE_CELL, TRUE))
    {
        gboolean taxable;

        taxable = gnc_entry_ledger_get_checkmark (ledger, ENTRY_TAXABLE_CELL);
        if (ledger->is_cust_doc)
            gncEntrySetInvTaxable (entry, taxable);
        else
            gncEntrySetBillTaxable (entry, taxable);
    }

    /* XXX: Only (re-set) these if taxable is TRUE? */
    if (gnc_table_layout_get_cell_changed (ledger->table->layout,
                                           ENTRY_TAXTABLE_CELL, TRUE))
    {
        GncTaxTable *table;

        table = gnc_entry_ledger_get_taxtable (ledger, ENTRY_TAXTABLE_CELL);
        if (table)
        {
            if (ledger->is_cust_doc)
                gncEntrySetInvTaxTable (entry, table);
            else
                gncEntrySetBillTaxTable (entry, table);
        }
    }

    if (gnc_table_layout_get_cell_changed (ledger->table->layout,
                                           ENTRY_TAXINCLUDED_CELL, TRUE))
    {
        gboolean taxincluded;

        taxincluded = gnc_entry_ledger_get_checkmark (ledger,
                      ENTRY_TAXINCLUDED_CELL);
        if (ledger->is_cust_doc)
            gncEntrySetInvTaxIncluded (entry, taxincluded);
        else
            gncEntrySetBillTaxIncluded (entry, taxincluded);
    }

    if (ledger->type == GNCENTRY_INVOICE_ENTRY ||
            ledger->type == GNCENTRY_CUST_CREDIT_NOTE_ENTRY)
    {
        gboolean inv_value;

        inv_value = gnc_entry_ledger_get_checkmark (ledger, ENTRY_INV_CELL);

        if (inv_value)
        {
            /* Add this to the invoice (if it's not already attached) */
            if (gncEntryGetInvoice (entry) == NULL)
                gncInvoiceAddEntry (ledger->invoice, entry);

        }
        else
        {
            /* Remove from the invoice iff we're attached to an order or bill */
            if ((gncEntryGetOrder (entry) != NULL) ||
                    (gncEntryGetBill (entry) != NULL))
                gncInvoiceRemoveEntry (ledger->invoice, entry);
        }
    }
}
static gboolean
gnc_entry_ledger_auto_completion (GncEntryLedger *ledger,
                                  gncTableTraversalDir dir,
                                  VirtualLocation *p_new_virt_loc)
{
    GncEntry *entry;
    GncEntry *blank_entry;
    GncEntry *auto_entry;
    const char* cell_name;
    const char *desc;
    BasicCell *cell = NULL;
    char *account_name = NULL;
    char *new_value = NULL;

    g_assert(ledger);
    g_assert(ledger->table);
    blank_entry = gnc_entry_ledger_get_blank_entry (ledger);

    /* auto-completion is only triggered by a tab out */
    if (dir != GNC_TABLE_TRAVERSE_RIGHT)
        return FALSE;

    entry = gnc_entry_ledger_get_current_entry (ledger);
    if (entry == NULL)
        return FALSE;

    cell_name = gnc_table_get_current_cell_name (ledger->table);

    /* Auto-completion is done only in an entry ledger */
    switch (ledger->type)
    {
    case GNCENTRY_ORDER_ENTRY:
    case GNCENTRY_INVOICE_ENTRY:
    case GNCENTRY_BILL_ENTRY:
    case GNCENTRY_EXPVOUCHER_ENTRY:
    case GNCENTRY_CUST_CREDIT_NOTE_ENTRY:
    case GNCENTRY_VEND_CREDIT_NOTE_ENTRY:
    case GNCENTRY_EMPL_CREDIT_NOTE_ENTRY:
        break;
    default:
        return FALSE;
    }

    /* Further conditions before we actually do auto-completion: */
    /* There must be a blank entry */
    if (blank_entry == NULL)
        return FALSE;

    /* we must be on the blank entry */
    if (entry != blank_entry)
        return FALSE;

    /* and leaving the description cell */
    if (!gnc_cell_name_equal (cell_name, ENTRY_DESC_CELL))
        return FALSE;

    /* nothing but the date and description should be changed */
    /* FIXME, this should be refactored. */
    if (gnc_table_layout_get_cell_changed (ledger->table->layout,
                                           ENTRY_ACTN_CELL, TRUE)
            || gnc_table_layout_get_cell_changed (ledger->table->layout,
                    ENTRY_QTY_CELL, TRUE)
            || gnc_table_layout_get_cell_changed (ledger->table->layout,
                    ENTRY_PRIC_CELL, TRUE)
            || gnc_table_layout_get_cell_changed (ledger->table->layout,
                    ENTRY_DISC_CELL, TRUE)
            || gnc_table_layout_get_cell_changed (ledger->table->layout,
                    ENTRY_DISTYPE_CELL, TRUE)
            || gnc_table_layout_get_cell_changed (ledger->table->layout,
                    ENTRY_DISHOW_CELL, TRUE)
            || gnc_table_layout_get_cell_changed (ledger->table->layout,
                    ENTRY_IACCT_CELL, TRUE)
            || gnc_table_layout_get_cell_changed (ledger->table->layout,
                    ENTRY_BACCT_CELL, TRUE)
            || gnc_table_layout_get_cell_changed (ledger->table->layout,
                    ENTRY_TAXABLE_CELL, TRUE)
            || gnc_table_layout_get_cell_changed (ledger->table->layout,
                    ENTRY_TAXINCLUDED_CELL, TRUE)
            || gnc_table_layout_get_cell_changed (ledger->table->layout,
                    ENTRY_TAXTABLE_CELL, TRUE)
            || gnc_table_layout_get_cell_changed (ledger->table->layout,
                    ENTRY_VALUE_CELL, TRUE)
            || gnc_table_layout_get_cell_changed (ledger->table->layout,
                    ENTRY_TAXVAL_CELL, TRUE)
            || gnc_table_layout_get_cell_changed (ledger->table->layout,
                    ENTRY_BILLABLE_CELL, TRUE)
            || gnc_table_layout_get_cell_changed (ledger->table->layout,
                    ENTRY_PAYMENT_CELL, TRUE))
        return FALSE;

    /* and the description should indeed be changed */
    if (!gnc_table_layout_get_cell_changed (ledger->table->layout,
                                            ENTRY_DESC_CELL, TRUE))
        return FALSE;

    /* to a non-empty value */
    desc = gnc_table_layout_get_cell_value (ledger->table->layout, ENTRY_DESC_CELL);
    if ((desc == NULL) || (*desc == '\0'))
        return FALSE;

    /* Ok, we are sure we want to trigger auto-completion. Now find an
     * entry to copy the values from.  FIXME: Currently we only use
     * the entries from the current invoice/bill, but it would be
     * better to draw this from a larger set of entries. */
    auto_entry =
        /* Use this for book-wide auto-completion of the invoice entries */
        find_entry_in_book_by_desc(ledger, desc);
    /* #else */
    /*     gnc_find_entry_in_reg_by_desc(ledger, desc); */
    /* #endif */

    if (auto_entry == NULL)
        return FALSE;

    /* now perform the completion */
    gnc_suspend_gui_refresh ();

    /* Auto-complete the action field */
    cell = gnc_table_layout_get_cell (ledger->table->layout, ENTRY_ACTN_CELL);
    set_value_combo_cell (cell, gncEntryGetAction (auto_entry));

    /* Auto-complete the account field */
    switch (ledger->type)
    {
    case GNCENTRY_INVOICE_ENTRY:
    case GNCENTRY_CUST_CREDIT_NOTE_ENTRY:
        cell = gnc_table_layout_get_cell (ledger->table->layout, ENTRY_IACCT_CELL);
        account_name = gnc_get_account_name_for_register (gncEntryGetInvAccount(auto_entry));
        break;
    case GNCENTRY_EXPVOUCHER_ENTRY:
    case GNCENTRY_BILL_ENTRY:
    case GNCENTRY_VEND_CREDIT_NOTE_ENTRY:
    case GNCENTRY_EMPL_CREDIT_NOTE_ENTRY:
        cell = gnc_table_layout_get_cell (ledger->table->layout, ENTRY_BACCT_CELL);
        account_name = gnc_get_account_name_for_register (gncEntryGetBillAccount(auto_entry));
        break;
    case GNCENTRY_ORDER_ENTRY:
    default:
        cell = NULL;
        account_name = NULL;
        break;
    }
    set_value_combo_cell (cell, account_name);
    g_free (account_name);

    /* Auto-complete quantity cell
     * Note: we always autofill a positive quantity value. This allows us to
     * - reuse invoice entries on credit note ledgers, meaning you can credit
     *   some invoice entry via autofill without having to manually fix the sign
     *   on the credit note.
     * - autofill credit note entries on other credit note entries (without having
     *   to juggle sign reversals internally)
     * - autofill credit note entries on invoice ledgers
     *
     * Disadvantage: invoice entries with explicitly set negative quantities will
     * be autofilled to positive quantities in later uses. But it seems less common
     * to me to require a negative entry again next time.
     */
    cell = gnc_table_layout_get_cell (ledger->table->layout, ENTRY_QTY_CELL);
    set_value_price_cell (cell, gnc_numeric_abs(gncEntryGetQuantity (auto_entry)));

    /* Auto-complete price cell */
    {
        gnc_numeric price;
        switch (ledger->type)
        {
        case GNCENTRY_INVOICE_ENTRY:
        case GNCENTRY_CUST_CREDIT_NOTE_ENTRY:
            price = gncEntryGetInvPrice (auto_entry);
            break;
        default:
            price = gncEntryGetBillPrice (auto_entry);
        }

        /* Auto-complete price cell */
        cell = gnc_table_layout_get_cell (ledger->table->layout, ENTRY_PRIC_CELL);
        set_value_price_cell (cell, price);
    }

    /* We intentionally skip the discount column */

    /* Taxable?, Tax-include?, Tax table */
    {
        gboolean taxable, taxincluded;
        GncTaxTable *taxtable;
        switch (ledger->type)
        {
        case GNCENTRY_INVOICE_ENTRY:
        case GNCENTRY_CUST_CREDIT_NOTE_ENTRY:
            taxable = gncEntryGetInvTaxable (auto_entry);
            taxincluded = gncEntryGetInvTaxIncluded (auto_entry);
            taxtable = gncEntryGetInvTaxTable (auto_entry);
            break;
        default:
            taxable = gncEntryGetBillTaxable (auto_entry);
            taxincluded = gncEntryGetBillTaxIncluded (auto_entry);
            taxtable = gncEntryGetBillTaxTable (auto_entry);
        }

        /* Taxable? cell */
        cell = gnc_table_layout_get_cell (ledger->table->layout, ENTRY_TAXABLE_CELL);
        gnc_checkbox_cell_set_flag ((CheckboxCell *) cell, taxable);
        gnc_basic_cell_set_changed (cell, TRUE);

        /* taxincluded? cell */
        cell = gnc_table_layout_get_cell (ledger->table->layout, ENTRY_TAXINCLUDED_CELL);
        gnc_checkbox_cell_set_flag ((CheckboxCell *) cell, taxincluded);
        gnc_basic_cell_set_changed (cell, TRUE);

        /* Taxable? cell */
        cell = gnc_table_layout_get_cell (ledger->table->layout, ENTRY_TAXTABLE_CELL);
        set_value_combo_cell(cell, gncTaxTableGetName (taxtable));
    }


    gnc_resume_gui_refresh ();

    /* now move to the non-empty amount column unless config setting says not */
    if ( !gnc_gconf_get_bool(GCONF_GENERAL_REGISTER,
                             "tab_includes_transfer_on_memorised", NULL) )
    {
        VirtualLocation new_virt_loc;
        const char *cell_name = ENTRY_QTY_CELL;

        if (gnc_table_get_current_cell_location (ledger->table, cell_name,
                &new_virt_loc))
            *p_new_virt_loc = new_virt_loc;
    }

    return TRUE;
}