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Diffstat (limited to 'e-util/e-cell-percent.c')
| -rw-r--r-- | e-util/e-cell-percent.c | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/e-util/e-cell-percent.c b/e-util/e-cell-percent.c new file mode 100644 index 0000000000..81465d5a62 --- /dev/null +++ b/e-util/e-cell-percent.c @@ -0,0 +1,160 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Authors: + * Damon Chaplin <damon@ximian.com> + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +/* + * ECellPercent - a subclass of ECellText used to show an integer percentage + * in an ETable. + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <ctype.h> + +#include <sys/time.h> +#include <unistd.h> +#include <stdio.h> +#include <glib/gi18n.h> + +#include "e-cell-percent.h" + +G_DEFINE_TYPE (ECellPercent, e_cell_percent, E_TYPE_CELL_TEXT) + +static gchar * +ecp_get_text (ECellText *cell, + ETableModel *model, + gint col, + gint row) +{ + gint percent; + static gchar buffer[8]; + + percent = GPOINTER_TO_INT (e_table_model_value_at (model, col, row)); + + /* A -ve value means the property is not set. */ + if (percent < 0) { + buffer[0] = '\0'; + } else { + g_snprintf (buffer, sizeof (buffer), "%i%%", percent); + } + + return buffer; +} + +static void +ecp_free_text (ECellText *cell, + gchar *text) +{ + /* Do Nothing. */ +} + +/* FIXME: We need to set the "transient_for" property for the dialog. */ +static void +show_percent_warning (void) +{ + GtkWidget *dialog; + + dialog = gtk_message_dialog_new ( + NULL, 0, + GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, + "%s", _("The percent value must be between 0 and 100, inclusive")); + gtk_dialog_run (GTK_DIALOG (dialog)); + gtk_widget_destroy (dialog); +} + +static void +ecp_set_value (ECellText *cell, + ETableModel *model, + gint col, + gint row, + const gchar *text) +{ + gint matched, percent; + gboolean empty = TRUE; + const gchar *p; + + if (text) { + p = text; + while (*p) { + if (!isspace ((guchar) *p)) { + empty = FALSE; + break; + } + p++; + } + } + + if (empty) { + percent = -1; + } else { + matched = sscanf (text, "%i", &percent); + + if (matched != 1 || percent < 0 || percent > 100) { + show_percent_warning (); + return; + } + } + + e_table_model_set_value_at ( + model, col, row, + GINT_TO_POINTER (percent)); +} + +static void +e_cell_percent_class_init (ECellPercentClass *ecpc) +{ + ECellTextClass *ectc = (ECellTextClass *) ecpc; + + ectc->get_text = ecp_get_text; + ectc->free_text = ecp_free_text; + ectc->set_value = ecp_set_value; +} + +static void +e_cell_percent_init (ECellPercent *ecp) +{ +} + +/** + * e_cell_percent_new: + * @fontname: font to be used to render on the screen + * @justify: Justification of the string in the cell. + * + * Creates a new ECell renderer that can be used to render an integer + * percentage that comes from the model. The value returned from the model is + * interpreted as being an int. + * + * See ECellText for other features. + * + * Returns: an ECell object that can be used to render numbers. + */ +ECell * +e_cell_percent_new (const gchar *fontname, + GtkJustification justify) +{ + ECellPercent *ecn = g_object_new (E_TYPE_CELL_PERCENT, NULL); + + e_cell_text_construct (E_CELL_TEXT (ecn), fontname, justify); + + return (ECell *) ecn; +} |