diff options
Diffstat (limited to 'widgets/misc/e-cell-percent.c')
| -rw-r--r-- | widgets/misc/e-cell-percent.c | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/widgets/misc/e-cell-percent.c b/widgets/misc/e-cell-percent.c new file mode 100644 index 0000000000..e1e14212e6 --- /dev/null +++ b/widgets/misc/e-cell-percent.c @@ -0,0 +1,159 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ + +/* + * Author : + * Damon Chaplin <damon@ximian.com> + * + * Copyright 2001, Ximian, Inc. + * + * 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, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + */ + +/* + * ECellPercent - a subclass of ECellText used to show an integer percentage + * in an ETable. + */ + +#include <config.h> + +#include <ctype.h> + +#include <sys/time.h> +#include <unistd.h> +#include <gal/util/e-util.h> +#include <libgnomeui/gnome-messagebox.h> +#include <libgnomeui/gnome-stock.h> +#include <libgnome/gnome-i18n.h> + +#include "e-cell-percent.h" + +#define PARENT_TYPE e_cell_text_get_type () + +static ECellTextClass *parent_class; + + +static char * +ecp_get_text (ECellText *cell, ETableModel *model, int col, int row) +{ + int percent; + static char 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, char *text) +{ + /* Do Nothing. */ +} + +/* FIXME: We need to set the "transient_for" property for the dialog. */ +static void +show_percent_warning (void) +{ + GtkWidget *dialog; + + dialog = gnome_message_box_new (_("The percent value must be between 0 and 100, inclusive"), + GNOME_MESSAGE_BOX_ERROR, + GNOME_STOCK_BUTTON_OK, NULL); + gtk_widget_show (dialog); +} + +static void +ecp_set_value (ECellText *cell, ETableModel *model, int col, int row, + const char *text) +{ + int matched, percent; + gboolean empty = TRUE; + const char *p; + + if (text) { + p = text; + while (*p) { + if (!isspace ((unsigned char) *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 (GtkObjectClass *object_class) +{ + ECellTextClass *ectc = (ECellTextClass *) object_class; + + parent_class = gtk_type_class (PARENT_TYPE); + + ectc->get_text = ecp_get_text; + ectc->free_text = ecp_free_text; + ectc->set_value = ecp_set_value; +} + +static void +e_cell_percent_init (GtkObject *object) +{ +} + +/** + * 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 char *fontname, GtkJustification justify) +{ + ECellPercent *ecn = gtk_type_new (e_cell_percent_get_type ()); + + e_cell_text_construct (E_CELL_TEXT(ecn), fontname, justify); + + return (ECell *) ecn; +} + +E_MAKE_TYPE (e_cell_percent, "ECellPercent", ECellPercent, + e_cell_percent_class_init, e_cell_percent_init, PARENT_TYPE); |