/********************************************************************\ * gnc-amount-edit.h -- amount editor widget * * * * Copyright (C) 2000 Dave Peticolas * * * * This program is free software; you can redistribute it and/or * * modify it under the terms of the GNU General Public License as * * published by the Free Software Foundation; either version 2 of * * the License, or (at your option) any later version. * * * * This program is distributed in the hope that it will be useful, * * but WITHOUT ANY WARRANTY; without even the implied warranty of * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * * GNU General Public License for more details. * * * * You should have received a copy of the GNU General Public License* * along with this program; if not, contact: * * * * Free Software Foundation Voice: +1-617-542-5942 * * 51 Franklin Street, Fifth Floor Fax: +1-617-542-2652 * * Boston, MA 02110-1301, USA gnu@gnu.org * \********************************************************************/ /* @NOTATION@ */ #include #include #include #include #include "gnc-amount-edit.h" #include "gnc-exp-parser.h" #include "gnc-locale-utils.h" #include "gnc-ui-util.h" #include "qof.h" #include "dialog-utils.h" #include "gnc-ui.h" #ifdef G_OS_WIN32 # include #endif /* Signal codes */ enum { ACTIVATE, CHANGED, AMOUNT_CHANGED, LAST_SIGNAL }; static guint amount_edit_signals [LAST_SIGNAL] = { 0 }; static void gnc_amount_edit_changed (GtkEditable *gae, gpointer user_data); static void gnc_amount_edit_paste_clipboard (GtkEntry *entry, gpointer user_data); static gint gnc_amount_edit_key_press (GtkWidget *widget, GdkEventKey *event, gpointer user_data); #define GNC_AMOUNT_EDIT_PATH "gnc-amount-edit-path" G_DEFINE_TYPE (GNCAmountEdit, gnc_amount_edit, GTK_TYPE_BOX) static void gnc_amount_edit_finalize (GObject *object) { g_return_if_fail (object != NULL); g_return_if_fail (GNC_IS_AMOUNT_EDIT(object)); G_OBJECT_CLASS (gnc_amount_edit_parent_class)->finalize (object); } static void gnc_amount_edit_dispose (GObject *object) { GNCAmountEdit *gae; g_return_if_fail (object != NULL); g_return_if_fail (GNC_IS_AMOUNT_EDIT(object)); gae = GNC_AMOUNT_EDIT(object); if (gae->disposed) return; gae->disposed = TRUE; gtk_widget_destroy (GTK_WIDGET(gae->entry)); gae->entry = NULL; gtk_widget_destroy (GTK_WIDGET(gae->image)); gae->image = NULL; G_OBJECT_CLASS (gnc_amount_edit_parent_class)->dispose (object); } static void gnc_amount_edit_class_init (GNCAmountEditClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS(klass); object_class->dispose = gnc_amount_edit_dispose; object_class->finalize = gnc_amount_edit_finalize; amount_edit_signals [ACTIVATE] = g_signal_new ("activate", G_OBJECT_CLASS_TYPE(object_class), G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET(GNCAmountEditClass, activate), NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); amount_edit_signals [CHANGED] = g_signal_new ("changed", G_OBJECT_CLASS_TYPE(object_class), G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET(GNCAmountEditClass, changed), NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); amount_edit_signals [AMOUNT_CHANGED] = g_signal_new ("amount_changed", G_OBJECT_CLASS_TYPE(object_class), G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET(GNCAmountEditClass, amount_changed), NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); } static void gnc_amount_edit_init (GNCAmountEdit *gae) { gtk_orientable_set_orientation (GTK_ORIENTABLE(gae), GTK_ORIENTATION_HORIZONTAL); gae->entry = GTK_ENTRY(gtk_entry_new()); gae->need_to_parse = FALSE; gae->amount = gnc_numeric_zero (); gae->print_info = gnc_default_print_info (FALSE); gae->fraction = 0; gae->evaluate_on_enter = FALSE; gae->validate_on_change = FALSE; gae->block_changed = FALSE; gae->show_warning_symbol = TRUE; gae->disposed = FALSE; // Set the name for this widget so it can be easily manipulated with css gtk_widget_set_name (GTK_WIDGET(gae), "gnc-id-amount-edit"); g_signal_connect (G_OBJECT(gae->entry), "key-press-event", G_CALLBACK(gnc_amount_edit_key_press), gae); g_signal_connect (G_OBJECT(gae->entry), "changed", G_CALLBACK(gnc_amount_edit_changed), gae); g_signal_connect (G_OBJECT(gae->entry), "paste-clipboard", G_CALLBACK(gnc_amount_edit_paste_clipboard), gae); } static void gnc_amount_edit_changed (GtkEditable *editable, gpointer user_data) { GNCAmountEdit *gae = GNC_AMOUNT_EDIT(user_data); gae->need_to_parse = TRUE; if (gae->block_changed) return; if (gae->validate_on_change) { gnc_numeric amount; gnc_amount_edit_expr_is_valid (gae, &amount, TRUE, NULL); } g_signal_emit (gae, amount_edit_signals [CHANGED], 0); } static void gnc_amount_edit_paste_clipboard (GtkEntry *entry, gpointer user_data) { GNCAmountEdit *gae = GNC_AMOUNT_EDIT(user_data); GtkClipboard *clipboard = gtk_widget_get_clipboard (GTK_WIDGET(entry), GDK_SELECTION_CLIPBOARD); gchar *text = gtk_clipboard_wait_for_text (clipboard); gchar *filtered_text; gint start_pos, end_pos; gint position; if (!text) return; if (gtk_widget_get_visible (GTK_WIDGET(gae->image))) { gtk_widget_hide (GTK_WIDGET(gae->image)); gtk_widget_set_tooltip_text (GTK_WIDGET(gae->image), NULL); } filtered_text = gnc_filter_text_for_control_chars (text); if (!filtered_text) { g_free (text); return; } position = gtk_editable_get_position (GTK_EDITABLE(entry)); if (gtk_editable_get_selection_bounds (GTK_EDITABLE(entry), &start_pos, &end_pos)) { position = start_pos; gae->block_changed = TRUE; gtk_editable_delete_selection (GTK_EDITABLE(entry)); gae->block_changed = FALSE; gtk_editable_insert_text (GTK_EDITABLE(entry), filtered_text, -1, &position); } else gtk_editable_insert_text (GTK_EDITABLE(entry), filtered_text, -1, &position); gtk_editable_set_position (GTK_EDITABLE(entry), position); g_signal_stop_emission_by_name (G_OBJECT(entry), "paste-clipboard"); g_free (text); g_free (filtered_text); } static gint gnc_amount_edit_key_press (GtkWidget *widget, GdkEventKey *event, gpointer user_data) { GNCAmountEdit *gae = GNC_AMOUNT_EDIT(user_data); gint result; if (gtk_widget_get_visible (GTK_WIDGET(gae->image))) { gtk_widget_hide (GTK_WIDGET(gae->image)); gtk_widget_set_tooltip_text (GTK_WIDGET(gae->image), NULL); } #ifdef G_OS_WIN32 /* gdk never sends GDK_KEY_KP_Decimal on win32. See #486658 */ if (event->hardware_keycode == VK_DECIMAL) event->keyval = GDK_KEY_KP_Decimal; #endif if (event->keyval == GDK_KEY_KP_Decimal) { if (gae->print_info.monetary) { struct lconv *lc = gnc_localeconv (); event->keyval = lc->mon_decimal_point[0]; event->string[0] = lc->mon_decimal_point[0]; } } result = (* GTK_WIDGET_GET_CLASS(widget)->key_press_event)(widget, event); switch (event->keyval) { case GDK_KEY_Return: if (event->state & (GDK_MODIFIER_INTENT_DEFAULT_MOD_MASK)) break; case GDK_KEY_KP_Enter: if (gae->evaluate_on_enter) break; else g_signal_emit (gae, amount_edit_signals [ACTIVATE], 0); return result; default: return result; } gnc_amount_edit_evaluate (gae, NULL); g_signal_emit (gae, amount_edit_signals [ACTIVATE], 0); return TRUE; } GtkWidget * gnc_amount_edit_new (void) { GNCAmountEdit *gae = g_object_new (GNC_TYPE_AMOUNT_EDIT, NULL); gtk_box_pack_start (GTK_BOX(gae), GTK_WIDGET(gae->entry), TRUE, TRUE, 0); gtk_entry_set_width_chars (GTK_ENTRY(gae->entry), 12); gae->image = gtk_image_new_from_icon_name ("dialog-warning", GTK_ICON_SIZE_SMALL_TOOLBAR); gtk_box_pack_start (GTK_BOX(gae), GTK_WIDGET(gae->image), FALSE, FALSE, 6); gtk_widget_set_no_show_all (GTK_WIDGET(gae->image), TRUE); gtk_widget_hide (GTK_WIDGET(gae->image)); gtk_widget_show_all (GTK_WIDGET(gae)); return GTK_WIDGET(gae); } static gint get_original_error_position (const gchar *string, const gchar *symbol, gint error_pos) { gint original_error_pos = error_pos; gint text_len; gint symbol_len; if (error_pos == 0) return 0; if (!string || !symbol) return error_pos; if (g_strrstr (string, symbol) == NULL) return error_pos; if (!g_utf8_validate (string, -1, NULL)) return error_pos; text_len = g_utf8_strlen (string, -1); symbol_len = g_utf8_strlen (symbol, -1); for (gint x = 0; x < text_len; x++) { gchar *temp = g_utf8_offset_to_pointer (string, x); if (g_str_has_prefix (temp, symbol)) original_error_pos = original_error_pos + symbol_len; if (x >= original_error_pos) break; if (g_strrstr (temp, symbol) == NULL) break; } return original_error_pos; } static inline GQuark exp_validate_quark (void) { return g_quark_from_static_string ("exp_validate"); } gint gnc_amount_edit_expr_is_valid (GNCAmountEdit *gae, gnc_numeric *amount, gboolean empty_ok, GError **error) { const char *string; char *error_loc; gboolean ok; gchar *err_msg = NULL; gint err_code; const gnc_commodity *comm; char *filtered_string; const gchar *symbol = NULL; g_return_val_if_fail (gae != NULL, -1); g_return_val_if_fail (GNC_IS_AMOUNT_EDIT(gae), -1); string = gtk_entry_get_text (GTK_ENTRY(gae->entry)); if (gtk_widget_get_visible (GTK_WIDGET(gae->image))) { gtk_widget_hide (GTK_WIDGET(gae->image)); gtk_widget_set_tooltip_text (GTK_WIDGET(gae->image), NULL); } comm = gae->print_info.commodity; filtered_string = gnc_filter_text_for_currency_commodity (comm, string, &symbol); if (!filtered_string || *filtered_string == '\0') { *amount = gnc_numeric_zero (); g_free (filtered_string); if (empty_ok) return -1; /* indicate an empty field */ else return 0; /* indicate successfully parsed as 0 */ } error_loc = NULL; ok = gnc_exp_parser_parse (filtered_string, amount, &error_loc); if (ok) { g_free (filtered_string); return 0; } /* Not ok */ if (error_loc != NULL) { err_code = get_original_error_position (string, symbol, (error_loc - filtered_string)); err_msg = g_strdup_printf (_("An error occurred while processing '%s' at position %d"), string, err_code); } else { err_code = 1000; err_msg = g_strdup_printf (_("An error occurred while processing '%s'"), string); } if (error) g_set_error_literal (error, exp_validate_quark(), err_code, err_msg); if (gae->show_warning_symbol) { gtk_widget_set_tooltip_text (GTK_WIDGET(gae->image), err_msg); gtk_widget_show (GTK_WIDGET(gae->image)); gtk_widget_queue_resize (GTK_WIDGET(gae->entry)); } g_free (filtered_string); g_free (err_msg); return 1; } gboolean gnc_amount_edit_evaluate (GNCAmountEdit *gae, GError **error) { gint result; gnc_numeric amount; GError *tmp_error = NULL; g_return_val_if_fail (gae != NULL, FALSE); g_return_val_if_fail (GNC_IS_AMOUNT_EDIT(gae), FALSE); if (!gae->need_to_parse) return TRUE; result = gnc_amount_edit_expr_is_valid (gae, &amount, FALSE, &tmp_error); if (result == -1) /* field was empty and may remain so */ return TRUE; if (result == 0) /* parsing successful */ { gnc_numeric old_amount = gae->amount; if (gae->fraction > 0) amount = gnc_numeric_convert (amount, gae->fraction, GNC_HOW_RND_ROUND_HALF_UP); gnc_amount_edit_set_amount (gae, amount); if (!gnc_numeric_equal (amount, old_amount)) g_signal_emit (gae, amount_edit_signals [AMOUNT_CHANGED], 0); gtk_editable_set_position (GTK_EDITABLE(gae->entry), -1); return TRUE; } /* Parse error */ if (tmp_error) { if (tmp_error->code < 1000) gtk_editable_set_position (GTK_EDITABLE(gae->entry), tmp_error->code); if (error) g_propagate_error (error, tmp_error); else g_error_free (tmp_error); } return FALSE; } gnc_numeric gnc_amount_edit_get_amount (GNCAmountEdit *gae) { g_return_val_if_fail (gae != NULL, gnc_numeric_zero ()); g_return_val_if_fail (GNC_IS_AMOUNT_EDIT(gae), gnc_numeric_zero ()); gnc_amount_edit_evaluate (gae, NULL); return gae->amount; } double gnc_amount_edit_get_damount (GNCAmountEdit *gae) { g_return_val_if_fail (gae != NULL, 0.0); g_return_val_if_fail (GNC_IS_AMOUNT_EDIT(gae), 0.0); gnc_amount_edit_evaluate (gae, NULL); return gnc_numeric_to_double (gae->amount); } void gnc_amount_edit_set_amount (GNCAmountEdit *gae, gnc_numeric amount) { const char * amount_string; g_return_if_fail (gae != NULL); g_return_if_fail (GNC_IS_AMOUNT_EDIT(gae)); g_return_if_fail (!gnc_numeric_check (amount)); if (gtk_widget_get_visible (GTK_WIDGET(gae->image))) { gtk_widget_hide (GTK_WIDGET(gae->image)); gtk_widget_set_tooltip_text (GTK_WIDGET(gae->image), NULL); } /* Update the display. */ amount_string = xaccPrintAmount (amount, gae->print_info); gtk_entry_set_text (GTK_ENTRY(gae->entry), amount_string); gae->amount = amount; gae->need_to_parse = FALSE; } void gnc_amount_edit_set_damount (GNCAmountEdit *gae, double damount) { gnc_numeric amount; int fraction; g_return_if_fail (gae != NULL); g_return_if_fail (GNC_IS_AMOUNT_EDIT(gae)); if (gae->fraction > 0) fraction = gae->fraction; else fraction = 100000; amount = double_to_gnc_numeric (damount, fraction, GNC_HOW_RND_ROUND_HALF_UP); gnc_amount_edit_set_amount (gae, amount); } void gnc_amount_edit_set_print_info (GNCAmountEdit *gae, GNCPrintAmountInfo print_info) { g_return_if_fail (gae != NULL); g_return_if_fail (GNC_IS_AMOUNT_EDIT(gae)); gae->print_info = print_info; gae->print_info.use_symbol = 0; } void gnc_amount_edit_set_fraction (GNCAmountEdit *gae, int fraction) { g_return_if_fail (gae != NULL); g_return_if_fail (GNC_IS_AMOUNT_EDIT(gae)); fraction = MAX (0, fraction); gae->fraction = fraction; } GtkWidget * gnc_amount_edit_gtk_entry (GNCAmountEdit *gae) { g_return_val_if_fail (gae != NULL, NULL); g_return_val_if_fail (GNC_IS_AMOUNT_EDIT(gae), NULL); return GTK_WIDGET(gae->entry); } void gnc_amount_edit_set_evaluate_on_enter (GNCAmountEdit *gae, gboolean evaluate_on_enter) { g_return_if_fail (gae != NULL); g_return_if_fail (GNC_IS_AMOUNT_EDIT(gae)); gae->evaluate_on_enter = evaluate_on_enter; } void gnc_amount_edit_set_validate_on_change (GNCAmountEdit *gae, gboolean validate_on_change) { g_return_if_fail (gae != NULL); g_return_if_fail (GNC_IS_AMOUNT_EDIT(gae)); gae->validate_on_change = validate_on_change; } void gnc_amount_edit_select_region (GNCAmountEdit *gae, gint start_pos, gint end_pos) { g_return_if_fail (gae != NULL); g_return_if_fail (GNC_IS_AMOUNT_EDIT(gae)); gtk_editable_select_region (GTK_EDITABLE(gae->entry), start_pos, end_pos); } void gnc_amount_edit_show_warning_symbol (GNCAmountEdit *gae, gboolean show) { g_return_if_fail (gae != NULL); g_return_if_fail (GNC_IS_AMOUNT_EDIT(gae)); gae->show_warning_symbol = show; } void gnc_amount_edit_make_mnemonic_target (GNCAmountEdit *gae, GtkWidget *label) { if (!gae) return; gtk_label_set_mnemonic_widget (GTK_LABEL(label), GTK_WIDGET(gae->entry)); }