diff options
| -rw-r--r-- | widgets/misc/ChangeLog | 8 | ||||
| -rw-r--r-- | widgets/misc/Makefile.am | 2 | ||||
| -rw-r--r-- | widgets/misc/e-charset-picker.c | 440 | ||||
| -rw-r--r-- | widgets/misc/e-charset-picker.h | 47 | ||||
| -rw-r--r-- | widgets/misc/test-charset-picker.c | 18 |
5 files changed, 515 insertions, 0 deletions
diff --git a/widgets/misc/ChangeLog b/widgets/misc/ChangeLog index 3615bfba97..49d671f1d2 100644 --- a/widgets/misc/ChangeLog +++ b/widgets/misc/ChangeLog @@ -1,3 +1,11 @@ +2001-07-02 Jeffrey Stedfast <fejj@ximian.com> + + * Makefile.am: Updated to build e-charset-picker.c + + * e-charset-picker.[c,h]: Moved here from gal. + (e_charset_picker_bonobo_ui_populate): New function to populate a + bonobo-ui with a charset picker menu. + 2001-06-14 Damon Chaplin <damon@ximian.com> * e-map.[hc]: copied the EMap widget verbatim from Ximian Setup Tools. diff --git a/widgets/misc/Makefile.am b/widgets/misc/Makefile.am index f60c31f70e..cca7625d05 100644 --- a/widgets/misc/Makefile.am +++ b/widgets/misc/Makefile.am @@ -18,6 +18,8 @@ libemiscwidgets_a_SOURCES = \ e-calendar-item.h \ e-cell-date-edit.c \ e-cell-date-edit.h \ + e-charset-picker.c \ + e-charset-picker.h \ e-clipped-label.c \ e-clipped-label.h \ e-dateedit.c \ diff --git a/widgets/misc/e-charset-picker.c b/widgets/misc/e-charset-picker.c new file mode 100644 index 0000000000..b275930dfd --- /dev/null +++ b/widgets/misc/e-charset-picker.c @@ -0,0 +1,440 @@ +/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */ +/* + * Copyright (C) 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. + * + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include "e-charset-picker.h" +#include <gal/widgets/e-gui-utils.h> +#include <gal/unicode/gunicode.h> + +#include <iconv.h> + +#include <gtk/gtklabel.h> +#include <gtk/gtkmenuitem.h> +#include <gtk/gtkoptionmenu.h> +#include <gtk/gtksignal.h> +#include <libgnome/gnome-defs.h> +#include <libgnome/gnome-i18n.h> +#include <libgnomeui/gnome-dialog-util.h> +#include <libgnomeui/gnome-stock.h> +#include <bonobo/bonobo-ui-node.h> +#include <bonobo/bonobo-ui-util.h> + +typedef enum { + E_CHARSET_UNKNOWN, + E_CHARSET_BALTIC, + E_CHARSET_CENTRAL_EUROPEAN, + E_CHARSET_CHINESE, + E_CHARSET_CYRILLIC, + E_CHARSET_GREEK, + E_CHARSET_JAPANESE, + E_CHARSET_KOREAN, + E_CHARSET_TURKISH, + E_CHARSET_UNICODE, + E_CHARSET_WESTERN_EUROPEAN +} ECharsetClass; + +static const char *classnames[] = { + N_("Unknown"), + N_("Baltic"), + N_("Central European"), + N_("Chinese"), + N_("Cyrillic"), + N_("Greek"), + N_("Japanese"), + N_("Korean"), + N_("Turkish"), + N_("Unicode"), + N_("Western European"), +}; + +typedef struct { + char *name; + ECharsetClass class; + char *subclass; +} ECharset; + +/* This list is based on what other mailers/browsers support. There's + * not a lot of point in using, say, ISO-8859-3, if anything that can + * read that can read UTF8 too. + */ +static ECharset charsets[] = { + { "ISO-8859-13", E_CHARSET_BALTIC, NULL }, + { "ISO-8859-4", E_CHARSET_BALTIC, NULL }, + { "ISO-8859-2", E_CHARSET_CENTRAL_EUROPEAN, NULL }, + { "Big5", E_CHARSET_CHINESE, N_("Traditional") }, + { "GB-2312", E_CHARSET_CHINESE, N_("Simplified") }, + { "HZ", E_CHARSET_CHINESE, N_("Simplified") }, + { "ISO-2022-CN", E_CHARSET_CHINESE, NULL }, + { "KOI8-R", E_CHARSET_CYRILLIC, NULL }, + { "Windows-1251", E_CHARSET_CYRILLIC, NULL }, + { "KOI8-U", E_CHARSET_CYRILLIC, N_("Ukrainian") }, + { "ISO-8859-5", E_CHARSET_CYRILLIC, NULL }, + { "ISO-8859-7", E_CHARSET_GREEK, NULL }, + { "ISO-2022-JP", E_CHARSET_JAPANESE, NULL }, + { "EUC-JP", E_CHARSET_JAPANESE, NULL }, + { "Shift_JIS", E_CHARSET_JAPANESE, NULL }, + { "EUC-KR", E_CHARSET_KOREAN, NULL }, + { "ISO-8859-9", E_CHARSET_TURKISH, NULL }, + { "UTF-8", E_CHARSET_UNICODE, NULL }, + { "UTF-7", E_CHARSET_UNICODE, NULL }, + { "ISO-8859-1", E_CHARSET_WESTERN_EUROPEAN, NULL }, + { "ISO-8859-15", E_CHARSET_WESTERN_EUROPEAN, N_("New") }, +}; +static const int num_charsets = sizeof (charsets) / sizeof (charsets[0]); + +static void +select_item (GtkMenuShell *menu_shell, GtkWidget *item) +{ + gtk_menu_shell_select_item (menu_shell, item); + gtk_menu_shell_deactivate (menu_shell); +} + +static void +activate (GtkWidget *item, gpointer menu) +{ + gtk_object_set_data (GTK_OBJECT (menu), "activated_item", item); +} + +static GtkWidget * +add_charset (GtkWidget *menu, ECharset *charset, gboolean free_name) +{ + GtkWidget *item; + char *label; + + if (charset->subclass) { + label = g_strdup_printf ("%s, %s (%s)", + _(classnames[charset->class]), + _(charset->subclass), + charset->name); + } else { + label = g_strdup_printf ("%s (%s)", + _(classnames[charset->class]), + charset->name); + } + + item = gtk_menu_item_new_with_label (label); + gtk_object_set_data_full (GTK_OBJECT (item), "charset", + charset->name, free_name ? g_free : NULL); + g_free (label); + + gtk_widget_show (item); + gtk_menu_append (GTK_MENU (menu), item); + gtk_signal_connect (GTK_OBJECT (item), "activate", + GTK_SIGNAL_FUNC (activate), menu); + + return item; +} + +static gboolean +add_other_charset (GtkWidget *menu, GtkWidget *other, char *new_charset) +{ + ECharset charset = { NULL, E_CHARSET_UNKNOWN, NULL }; + GtkWidget *item; + iconv_t ic; + + ic = iconv_open ("UTF-8", new_charset); + if (ic == (iconv_t)-1) { + GtkWidget *window = gtk_widget_get_ancestor (other, GTK_TYPE_WINDOW); + e_notice (GTK_WINDOW (window), GNOME_MESSAGE_BOX_ERROR, + _("Unknown character set: %s"), new_charset); + return FALSE; + } + iconv_close (ic); + + /* Temporarily remove the "Other..." item */ + gtk_object_ref (GTK_OBJECT (other)); + gtk_container_remove (GTK_CONTAINER (menu), other); + + /* Create new menu item */ + charset.name = new_charset; + item = add_charset (menu, &charset, TRUE); + + /* And re-add "Other..." */ + gtk_menu_append (GTK_MENU (menu), other); + gtk_object_unref (GTK_OBJECT (other)); + + gtk_object_set_data_full (GTK_OBJECT (menu), "other_charset", + g_strdup (new_charset), g_free); + + gtk_object_set_data (GTK_OBJECT (menu), "activated_item", item); + select_item (GTK_MENU_SHELL (menu), item); + return TRUE; +} + +static void +other_charset_callback (char *new_charset, gpointer data) +{ + char **out = data; + + *out = new_charset; +} + +static void +activate_other (GtkWidget *item, gpointer menu) +{ + GtkWidget *window, *dialog; + char *old_charset, *new_charset; + + window = gtk_widget_get_ancestor (item, GTK_TYPE_WINDOW); + old_charset = gtk_object_get_data (GTK_OBJECT (menu), "other_charset"); + dialog = gnome_request_dialog (FALSE, + _("Enter the character set to use"), + old_charset, 0, other_charset_callback, + &new_charset, GTK_WINDOW (window)); + gnome_dialog_run_and_close (GNOME_DIALOG (dialog)); + + if (new_charset) { + if (add_other_charset (menu, item, new_charset)) + return; + g_free (new_charset); + } + + /* Revert to previous selection */ + select_item (GTK_MENU_SHELL (menu), gtk_object_get_data (GTK_OBJECT (menu), "activated_item")); +} + +/** + * e_charset_picker_new: + * @default_charset: the default character set, or %NULL to use the + * locale character set. + * + * This creates an option menu widget and fills it in with a selection + * of available character sets. The @default_charset (or locale character + * set if @default_charset is %NULL) will be listed first, and selected + * by default (except that iso-8859-1 will always be used instead of + * US-ASCII). Any other character sets of the same language class as + * the default will be listed next, followed by the remaining character + * sets, a separator, and an "Other..." menu item, which can be used to + * select other charsets. + * + * Return value: an option menu widget, filled in and with signals + * attached. + */ +GtkWidget * +e_charset_picker_new (const char *default_charset) +{ + GtkWidget *menu, *item; + int def, i; + char *locale_charset; + + g_get_charset (&locale_charset); + if (!g_strcasecmp (locale_charset, "US-ASCII")) + locale_charset = "iso-8859-1"; + + if (!default_charset) + default_charset = locale_charset; + for (def = 0; def < num_charsets; def++) { + if (!g_strcasecmp (charsets[def].name, default_charset)) + break; + } + + menu = gtk_menu_new (); + for (i = 0; i < num_charsets; i++) { + item = add_charset (menu, &charsets[i], FALSE); + if (i == def) { + activate (item, menu); + select_item (GTK_MENU_SHELL (menu), item); + } + } + + /* do the Unknown/Other section */ + gtk_menu_append (GTK_MENU (menu), gtk_menu_item_new ()); + + if (def == num_charsets) { + ECharset other = { NULL, E_CHARSET_UNKNOWN, NULL }; + + /* Add an entry for @default_charset */ + other.name = g_strdup (default_charset); + item = add_charset (menu, &other, TRUE); + activate (item, menu); + select_item (GTK_MENU_SHELL (menu), item); + gtk_object_set_data_full (GTK_OBJECT (menu), "other_charset", + g_strdup (default_charset), g_free); + def++; + } + + item = gtk_menu_item_new_with_label (_("Other...")); + gtk_signal_connect (GTK_OBJECT (item), "activate", + GTK_SIGNAL_FUNC (activate_other), menu); + gtk_menu_append (GTK_MENU (menu), item); + + gtk_widget_show_all (menu); + return menu; +} + +/** + * e_charset_picker_get_charset: + * @menu: a character set menu from e_charset_picker_new() + * + * Return value: the currently-selected character set in @picker, + * which must be freed with g_free(). + **/ +char * +e_charset_picker_get_charset (GtkWidget *menu) +{ + GtkWidget *item; + char *charset; + + g_return_val_if_fail (GTK_IS_MENU (menu), NULL); + + item = gtk_menu_get_active (GTK_MENU (menu)); + charset = gtk_object_get_data (GTK_OBJECT (item), "charset"); + + return g_strdup (charset); +} + +/** + * e_charset_picker_dialog: + * @title: title for the dialog box + * @prompt: prompt string for the dialog box + * @default_charset: as for e_charset_picker_new() + * @parent: a parent window for the dialog box, or %NULL + * + * This creates a new dialog box with the given @title and @prompt and + * a character set picker menu. It then runs the dialog and returns + * the selected character set, or %NULL if the user clicked "Cancel". + * + * Return value: the selected character set (which must be freed with + * g_free()), or %NULL. + **/ +char * +e_charset_picker_dialog (const char *title, const char *prompt, + const char *default_charset, GtkWindow *parent) +{ + GnomeDialog *dialog; + GtkWidget *label, *omenu, *picker; + int button; + char *charset; + + dialog = GNOME_DIALOG (gnome_dialog_new (title, GNOME_STOCK_BUTTON_OK, + GNOME_STOCK_BUTTON_CANCEL, + NULL)); + if (parent) + gnome_dialog_set_parent (dialog, parent); + + label = gtk_label_new (prompt); + gtk_label_set_line_wrap (GTK_LABEL (label), TRUE); + gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.0); + picker = e_charset_picker_new (default_charset); + omenu = gtk_option_menu_new (); + gtk_option_menu_set_menu (GTK_OPTION_MENU (omenu), picker); + + gtk_container_set_border_width (GTK_CONTAINER (dialog->vbox), 4); + gtk_box_pack_start (GTK_BOX (dialog->vbox), label, FALSE, FALSE, 4); + gtk_box_pack_start (GTK_BOX (dialog->vbox), omenu, FALSE, FALSE, 4); + + gtk_widget_show_all (GTK_WIDGET (dialog)); + button = gnome_dialog_run (dialog); + + if (button == 0) + charset = e_charset_picker_get_charset (picker); + else + charset = NULL; + gnome_dialog_close (dialog); + + return charset; +} + + +void +e_charset_picker_bonobo_ui_populate (BonoboUIComponent *uic, const char *default_charset) +{ + char *locale_charset, *encoded_label, *label; + GString *menuitems; + int def, i; + + g_get_charset (&locale_charset); + if (!g_strcasecmp (locale_charset, "US-ASCII")) + locale_charset = "iso-8859-1"; + + if (!default_charset) + default_charset = locale_charset; + for (def = 0; def < num_charsets; def++) { + if (!g_strcasecmp (charsets[def].name, default_charset)) + break; + } + + label = g_strdup (_("Character Encoding")); + encoded_label = bonobo_ui_util_encode_str (label); + menuitems = g_string_new (""); + g_string_sprintf (menuitems, "<submenu name=\"ECharsetPicker\" label=\"%s\">\n", encoded_label); + g_free (encoded_label); + g_free (label); + + for (i = 0; i < num_charsets; i++) { + char *command, *label, *encoded_label; + + if (charsets[i].subclass) { + label = g_strdup_printf ("%s, %s (%s)", + _(classnames[charsets[i].class]), + _(charsets[i].subclass), + charsets[i].name); + } else { + label = g_strdup_printf ("%s (%s)", + _(classnames[charsets[i].class]), + charsets[i].name); + } + + encoded_label = bonobo_ui_util_encode_str (label); + g_free (label); + + command = g_strdup_printf ("<cmd name=\"Charset-%s\" label=\"%s\" type=\"radio\"" + " group=\"charset_picker\" state=\"%d\"/>\n", + charsets[i].name, encoded_label, i == def); + + bonobo_ui_component_set (uic, "/commands", command, NULL); + g_free (command); + + g_string_sprintfa (menuitems, " <menuitem name=\"Charset-%s\" verb=\"\"/>\n", + charsets[i].name); + + g_free (encoded_label); + } + + if (def == num_charsets) { + char *command, *label, *encoded_label; + + label = g_strdup_printf ("%s (%s)", _("Unknown"), default_charset); + encoded_label = bonobo_ui_util_encode_str (label); + g_free (label); + + command = g_strdup_printf ("<cmd name=\"Charset-%s\" label=\"%s\" type=\"radio\"" + " group=\"charset_picker\" state=\"1\"/>\n", + default_charset, encoded_label); + + bonobo_ui_component_set (uic, "/commands", command, NULL); + g_free (command); + + g_string_append (menuitems, " <separator/>\n"); + g_string_sprintfa (menuitems, " <menuitem name=\"Charset-%s\" verb=\"\"/>\n", + default_charset); + + g_free (encoded_label); + } + + g_string_append (menuitems, "</submenu>\n"); + + bonobo_ui_component_set (uic, "/menu/Edit", menuitems->str, NULL); + g_string_free (menuitems, TRUE); +} diff --git a/widgets/misc/e-charset-picker.h b/widgets/misc/e-charset-picker.h new file mode 100644 index 0000000000..0fa6e5e0a1 --- /dev/null +++ b/widgets/misc/e-charset-picker.h @@ -0,0 +1,47 @@ +/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */ +/* + * Copyright (C) 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. + * + */ + +#ifndef _E_CHARSETPICKER_H_ +#define _E_CHARSETPICKER_H_ + +#include <gtk/gtkwindow.h> +#include <bonobo/bonobo-ui-component.h> + +#ifdef __cplusplus +extern "C" { +#pragma } +#endif /* __cplusplus */ + +GtkWidget *e_charset_picker_new (const char *default_charset); +char *e_charset_picker_get_charset (GtkWidget *picker); + +char *e_charset_picker_dialog (const char *title, const char *prompt, + const char *default_charset, + GtkWindow *parent); + +/* bonobo equivalents */ +void e_charset_picker_bonobo_ui_populate (BonoboUIComponent *uic, const char *default_charset); + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* _E_CHARSETPICKER_H_ */ diff --git a/widgets/misc/test-charset-picker.c b/widgets/misc/test-charset-picker.c new file mode 100644 index 0000000000..889bba2600 --- /dev/null +++ b/widgets/misc/test-charset-picker.c @@ -0,0 +1,18 @@ +#include <gnome.h> +#include "e-charset-picker.h" + +int +main (int argc, char **argv) +{ + char *charset; + + gnome_init ("test-charset-picker", "1.0", argc, argv); + + charset = e_charset_picker_dialog ("test-charset-picker", + "Pick a charset, any charset", + NULL, NULL); + if (charset) + printf ("You picked: %s\n", charset); + + return 0; +} |