/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- *
*
* Authors: Michael Zucchi <notzed@ximian.com>
*
* Copyright 2004 Novell Inc. (www.novell.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* 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 Street #330, Boston, MA 02111-1307, USA.
*
*/
#include <config.h>
#include <string.h>
#include <sys/types.h>
#include <libxml/parser.h>
#include <libxml/xmlmemory.h>
#include <glib.h>
#include <gtk/gtkbutton.h>
#include <gtk/gtkhbox.h>
#include <gtk/gtkstock.h>
#include <gtk/gtkdialog.h>
#include <gtk/gtkwindow.h>
#include <gtk/gtklabel.h>
#include <gtk/gtkimage.h>
#include <gtk/gtkscrolledwindow.h>
#include <gtk/gtkwindow.h>
#include <glib/gi18n.h>
#include <libgnome/gnome-url.h>
#include <libedataserver/e-xml-utils.h>
#include "e-util-private.h"
#include "e-error.h"
#define d(x)
struct _e_error_button {
struct _e_error_button *next;
char *stock;
char *label;
int response;
};
struct _e_error {
guint32 flags;
char *id;
int type;
int default_response;
char *title;
char *primary;
char *secondary;
char *help_uri;
gboolean scroll;
struct _e_error_button *buttons;
};
struct _e_error_table {
char *domain;
char *translation_domain;
GHashTable *errors;
};
static GHashTable *error_table;
static GSList *ee_parent_list;
/* ********************************************************************** */
static struct _e_error_button default_ok_button = {
NULL, "gtk-ok", NULL, GTK_RESPONSE_OK
};
static struct _e_error default_errors[] = {
{ GTK_DIALOG_MODAL, "error", 3, GTK_RESPONSE_OK, N_("Evolution Error"), "{0}", "{1}", NULL, FALSE, &default_ok_button },
{ GTK_DIALOG_MODAL, "error-primary", 3, GTK_RESPONSE_OK, N_("Evolution Error"), "{0}", NULL, NULL, FALSE, &default_ok_button },
{ GTK_DIALOG_MODAL, "warning", 1, GTK_RESPONSE_OK, N_("Evolution Warning"), "{0}", "{1}", NULL, FALSE, &default_ok_button },
{ GTK_DIALOG_MODAL, "warning-primary", 1, GTK_RESPONSE_OK, N_("Evolution Warning"), "{0}", NULL, NULL, FALSE, &default_ok_button },
};
/* ********************************************************************** */
static struct {
char *name;
int id;
} response_map[] = {
{ "GTK_RESPONSE_REJECT", GTK_RESPONSE_REJECT },
{ "GTK_RESPONSE_ACCEPT", GTK_RESPONSE_ACCEPT },
{ "GTK_RESPONSE_OK", GTK_RESPONSE_OK },
{ "GTK_RESPONSE_CANCEL", GTK_RESPONSE_CANCEL },
{ "GTK_RESPONSE_CLOSE", GTK_RESPONSE_CLOSE },
{ "GTK_RESPONSE_YES", GTK_RESPONSE_YES },
{ "GTK_RESPONSE_NO", GTK_RESPONSE_NO },
{ "GTK_RESPONSE_APPLY", GTK_RESPONSE_APPLY },
{ "GTK_RESPONSE_HELP", GTK_RESPONSE_HELP },
};
static int
map_response(const char *name)
{
int i;
for (i=0;i<sizeof(response_map)/sizeof(response_map[0]);i++)
if (!strcmp(name, response_map[i].name))
return response_map[i].id;
return 0;
}
static struct {
const char *name;
const char *icon;
const char *title;
} type_map[] = {
{ "info", GTK_STOCK_DIALOG_INFO, N_("Evolution Information") },
{ "warning", GTK_STOCK_DIALOG_WARNING, N_("Evolution Warning") },
{ "question", GTK_STOCK_DIALOG_QUESTION, N_("Evolution Query") },
{ "error", GTK_STOCK_DIALOG_ERROR, N_("Evolution Error") },
};
static int
map_type(const char *name)
{
int i;
if (name) {
for (i=0;i<sizeof(type_map)/sizeof(type_map[0]);i++)
if (!strcmp(name, type_map[i].name))
return i;
}
return 3;
}
/*
XML format:
<error id="error-id" type="info|warning|question|error"? response="default_response"? modal="true"? >
<title>Window Title</title>?
<primary>Primary error text.</primary>?
<secondary>Secondary error text.</secondary>?
<help uri="help uri"/> ?
<button stock="stock-button-id"? label="button label"? response="response_id"? /> *
</error>
The tool e-error-tool is used to extract the translatable strings for
translation.
*/
static void
ee_load(const char *path)
{
xmlDocPtr doc = NULL;
xmlNodePtr root, error, scan;
struct _e_error *e;
struct _e_error_button *lastbutton;
struct _e_error_table *table;
char *tmp;
d(printf("loading error file %s\n", path));
doc = e_xml_parse_file (path);
if (doc == NULL) {
g_warning("Error file '%s' not found", path);
return;
}
root = xmlDocGetRootElement(doc);
if (root == NULL
|| strcmp(root->name, "error-list") != 0
|| (tmp = xmlGetProp(root, "domain")) == NULL) {
g_warning("Error file '%s' invalid format", path);
xmlFreeDoc(doc);
return;
}
table = g_hash_table_lookup(error_table, tmp);
if (table == NULL) {
char *tmp2;
table = g_malloc0(sizeof(*table));
table->domain = g_strdup(tmp);
table->errors = g_hash_table_new(g_str_hash, g_str_equal);
g_hash_table_insert(error_table, table->domain, table);
tmp2 = xmlGetProp(root, "translation-domain");
if (tmp2) {
table->translation_domain = g_strdup(tmp2);
xmlFree(tmp2);
tmp2 = xmlGetProp(root, "translation-localedir");
if (tmp2) {
bindtextdomain(table->translation_domain, tmp2);
xmlFree(tmp2);
}
}
} else
g_warning("Error file '%s', domain '%s' already used, merging", path, tmp);
xmlFree(tmp);
for (error = root->children;error;error = error->next) {
if (!strcmp(error->name, "error")) {
tmp = xmlGetProp(error, "id");
if (tmp == NULL)
continue;
e = g_malloc0(sizeof(*e));
e->id = g_strdup(tmp);
e->scroll = FALSE;
xmlFree(tmp);
lastbutton = (struct _e_error_button *)&e->buttons;
tmp = xmlGetProp(error, "modal");
if (tmp) {
if (!strcmp(tmp, "true"))
e->flags |= GTK_DIALOG_MODAL;
xmlFree(tmp);
}
tmp = xmlGetProp(error, "type");
e->type = map_type(tmp);
if (tmp)
xmlFree(tmp);
tmp = xmlGetProp(error, "default");
if (tmp) {
e->default_response = map_response(tmp);
xmlFree(tmp);
}
tmp = xmlGetProp(error, "scroll");
if (tmp) {
if (!strcmp(tmp, "yes"))
e->scroll = TRUE;
xmlFree(tmp);
}
for (scan = error->children;scan;scan=scan->next) {
if (!strcmp(scan->name, "primary")) {
if ((tmp = xmlNodeGetContent(scan))) {
e->primary = g_strdup(dgettext(table->translation_domain, tmp));
xmlFree(tmp);
}
} else if (!strcmp(scan->name, "secondary")) {
if ((tmp = xmlNodeGetContent(scan))) {
e->secondary = g_strdup(dgettext(table->translation_domain, tmp));
xmlFree(tmp);
}
} else if (!strcmp(scan->name, "title")) {
if ((tmp = xmlNodeGetContent(scan))) {
e->title = g_strdup(dgettext(table->translation_domain, tmp));
xmlFree(tmp);
}
} else if (!strcmp(scan->name, "help")) {
tmp = xmlGetProp(scan, "uri");
if (tmp) {
e->help_uri = g_strdup(tmp);
xmlFree(tmp);
}
} else if (!strcmp(scan->name, "button")) {
struct _e_error_button *b;
b = g_malloc0(sizeof(*b));
tmp = xmlGetProp(scan, "stock");
if (tmp) {
b->stock = g_strdup(tmp);
xmlFree(tmp);
}
tmp = xmlGetProp(scan, "label");
if (tmp) {
b->label = g_strdup(dgettext(table->translation_domain, tmp));
xmlFree(tmp);
}
tmp = xmlGetProp(scan, "response");
if (tmp) {
b->response = map_response(tmp);
xmlFree(tmp);
}
if (b->stock == NULL && b->label == NULL) {
g_warning("Error file '%s': missing button details in error '%s'", path, e->id);
g_free(b->stock);
g_free(b->label);
g_free(b);
} else {
lastbutton->next = b;
lastbutton = b;
}
}
}
g_hash_table_insert(table->errors, e->id, e);
}
}
xmlFreeDoc(doc);
}
static void
ee_load_tables(void)
{
GDir *dir;
const char *d;
char *base;
struct _e_error_table *table;
int i;
if (error_table != NULL)
return;
error_table = g_hash_table_new(g_str_hash, g_str_equal);
/* setup system error types */
table = g_malloc0(sizeof(*table));
table->domain = "builtin";
table->errors = g_hash_table_new(g_str_hash, g_str_equal);
for (i=0;i<sizeof(default_errors)/sizeof(default_errors[0]);i++)
g_hash_table_insert(table->errors, default_errors[i].id, &default_errors[i]);
g_hash_table_insert(error_table, table->domain, table);
/* look for installed error tables */
base = g_build_filename (EVOLUTION_PRIVDATADIR, "errors", NULL);
dir = g_dir_open(base, 0, NULL);
if (dir == NULL) {
g_free (base);
return;
}
while ( (d = g_dir_read_name(dir)) ) {
char *path;
if (d[0] == '.')
continue;
path = g_build_filename(base, d, NULL);
ee_load(path);
g_free(path);
}
g_dir_close(dir);
g_free (base);
}
/* unfortunately, gmarkup_escape doesn't expose its gstring based api :( */
static void
ee_append_text(GString *out, const char *text)
{
char c;
while ( (c=*text++) ) {
if (c == '<')
g_string_append(out, "<");
else if (c == '>')
g_string_append(out, ">");
else if (c == '"')
g_string_append(out, """);
else if (c == '\'')
g_string_append(out, "'");
else if (c == '&')
g_string_append(out, "&");
else
g_string_append_c(out, c);
}
}
static void
ee_build_label(GString *out, const char *fmt, GPtrArray *args)
{
const char *end, *newstart;
int id;
while (fmt
&& (newstart = strchr(fmt, '{'))
&& (end = strchr(newstart+1, '}'))) {
g_string_append_len(out, fmt, newstart-fmt);
id = atoi(newstart+1);
if (id < args->len)
ee_append_text(out, args->pdata[id]);
else
g_warning("Error references argument %d not supplied by caller", id);
fmt = end+1;
}
g_string_append(out, fmt);
}
static void
ee_response(GtkWidget *w, guint button, struct _e_error *e)
{
GError *err = NULL;
if (button == GTK_RESPONSE_HELP) {
g_signal_stop_emission_by_name(w, "response");
gnome_url_show(e->help_uri, &err);
if (err) {
g_warning("Unable to run help uri: %s", err->message);
g_error_free(err);
}
}
}
GtkWidget *
e_error_newv(GtkWindow *parent, const char *tag, const char *arg0, va_list ap)
{
struct _e_error_table *table;
struct _e_error *e;
struct _e_error_button *b;
GtkWidget *hbox, *w, *scroll=NULL;
char *tmp, *domain, *id;
GString *out;
GPtrArray *args;
GtkDialog *dialog;
gchar *str;
if (error_table == NULL)
ee_load_tables();
dialog = (GtkDialog *)gtk_dialog_new();
gtk_dialog_set_has_separator(dialog, FALSE);
gtk_widget_ensure_style ((GtkWidget *)dialog);
gtk_container_set_border_width ((GtkContainer *)(dialog->vbox), 0);
gtk_container_set_border_width ((GtkContainer *)(dialog->action_area), 12);
if (parent == NULL && ee_parent_list)
parent = (GtkWindow *)ee_parent_list->data;
if (parent)
gtk_window_set_transient_for((GtkWindow *)dialog, parent);
else
g_warning("No parent set, or default parent available for error dialog");
domain = alloca(strlen(tag)+1);
strcpy(domain, tag);
id = strchr(domain, ':');
if (id)
*id++ = 0;
if ( id == NULL
|| (table = g_hash_table_lookup(error_table, domain)) == NULL
|| (e = g_hash_table_lookup(table->errors, id)) == NULL) {
/* setup a dummy error */
str = g_strdup_printf(_("Internal error, unknown error '%s' requested"), tag);
tmp = g_strdup_printf("<span weight=\"bold\">%s</span>", str);
g_free(str);
w = gtk_label_new(NULL);
gtk_label_set_selectable((GtkLabel *)w, TRUE);
gtk_label_set_line_wrap((GtkLabel *)w, TRUE);
gtk_label_set_markup((GtkLabel *)w, tmp);
gtk_widget_show(w);
gtk_box_pack_start((GtkBox *)dialog->vbox, w, TRUE, TRUE, 12);
return (GtkWidget *)dialog;
}
if (e->flags & GTK_DIALOG_MODAL)
gtk_window_set_modal((GtkWindow *)dialog, TRUE);
gtk_window_set_destroy_with_parent((GtkWindow *)dialog, TRUE);
if (e->help_uri) {
w = gtk_dialog_add_button(dialog, GTK_STOCK_HELP, GTK_RESPONSE_HELP);
g_signal_connect(dialog, "response", G_CALLBACK(ee_response), e);
}
b = e->buttons;
if (b == NULL) {
gtk_dialog_add_button(dialog, GTK_STOCK_OK, GTK_RESPONSE_OK);
} else {
for (b = e->buttons;b;b=b->next) {
if (b->stock) {
if (b->label) {
#if 0
/* FIXME: So although this looks like it will work, it wont.
Need to do it the hard way ... it also breaks the
default_response stuff */
w = gtk_button_new_from_stock(b->stock);
gtk_button_set_label((GtkButton *)w, b->label);
gtk_widget_show(w);
gtk_dialog_add_action_widget(dialog, w, b->response);
#endif
gtk_dialog_add_button(dialog, b->label, b->response);
} else
gtk_dialog_add_button(dialog, b->stock, b->response);
} else
gtk_dialog_add_button(dialog, b->label, b->response);
}
}
if (e->default_response)
gtk_dialog_set_default_response(dialog, e->default_response);
hbox = gtk_hbox_new(FALSE, 0);
gtk_container_set_border_width((GtkContainer *)hbox, 12);
w = gtk_image_new_from_stock(type_map[e->type].icon, GTK_ICON_SIZE_DIALOG);
gtk_misc_set_alignment((GtkMisc *)w, 0.0, 0.0);
gtk_box_pack_start((GtkBox *)hbox, w, TRUE, TRUE, 12);
args = g_ptr_array_new();
tmp = (char *)arg0;
while (tmp) {
g_ptr_array_add(args, tmp);
tmp = va_arg(ap, char *);
}
out = g_string_new("");
if (e->title) {
ee_build_label(out, dgettext(table->translation_domain, e->title), args);
gtk_window_set_title((GtkWindow *)dialog, out->str);
g_string_truncate(out, 0);
} else
gtk_window_set_title((GtkWindow *)dialog, dgettext(table->translation_domain, type_map[e->type].title));
if (e->primary) {
g_string_append(out, "<span weight=\"bold\" size=\"larger\">");
ee_build_label(out, dgettext(table->translation_domain, e->primary), args);
g_string_append(out, "</span>\n\n");
}
if (e->secondary)
ee_build_label(out, dgettext(table->translation_domain, e->secondary), args);
g_ptr_array_free(args, TRUE);
if (e->scroll) {
scroll = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy ((GtkScrolledWindow *)scroll, GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
}
w = gtk_label_new(NULL);
gtk_label_set_selectable((GtkLabel *)w, TRUE);
gtk_label_set_line_wrap((GtkLabel *)w, TRUE);
gtk_label_set_markup((GtkLabel *)w, out->str);
g_string_free(out, TRUE);
if (e->scroll) {
gtk_scrolled_window_add_with_viewport ((GtkScrolledWindow *)scroll, w);
gtk_box_pack_start((GtkBox *)hbox, scroll, FALSE, FALSE, 0);
gtk_window_set_default_size ((GtkWindow *)dialog, 360, 180);
} else
gtk_box_pack_start((GtkBox *)hbox, w, FALSE, FALSE, 0);
gtk_widget_show_all(hbox);
gtk_box_pack_start((GtkBox *)dialog->vbox, hbox, TRUE, TRUE, 0);
return (GtkWidget *)dialog;
}
/**
* e_error_new:
* @parent:
* @tag: error identifier
* @arg0: The first argument for the error formatter. The list must
* be NULL terminated.
*
* Creates a new error widget. The @tag argument is used to determine
* which error to use, it is in the format domain:error-id. The NULL
* terminated list of arguments, starting with @arg0 is used to fill
* out the error definition.
*
* Return value: A GtkDialog which can be used for showing an error
* dialog asynchronously.
**/
struct _GtkWidget *
e_error_new(struct _GtkWindow *parent, const char *tag, const char *arg0, ...)
{
GtkWidget *w;
va_list ap;
va_start(ap, arg0);
w = e_error_newv(parent, tag, arg0, ap);
va_end(ap);
return w;
}
int
e_error_runv(GtkWindow *parent, const char *tag, const char *arg0, va_list ap)
{
GtkWidget *w;
int res;
w = e_error_newv(parent, tag, arg0, ap);
res = gtk_dialog_run((GtkDialog *)w);
gtk_widget_destroy(w);
return res;
}
/**
* e_error_run:
* @parent:
* @tag:
* @arg0:
*
* Sets up, displays, runs and destroys a standard evolution error
* dialog based on @tag, which is in the format domain:error-id.
*
* Return value: The response id of the button pressed.
**/
int
e_error_run(GtkWindow *parent, const char *tag, const char *arg0, ...)
{
GtkWidget *w;
va_list ap;
int res;
va_start(ap, arg0);
w = e_error_newv(parent, tag, arg0, ap);
va_end(ap);
res = gtk_dialog_run((GtkDialog *)w);
gtk_widget_destroy(w);
return res;
}
static void
remove_parent(GtkWidget *w, GtkWidget *parent)
{
ee_parent_list = g_slist_remove(ee_parent_list, parent);
}
/**
* e_error_default_parent:
* @parent:
*
* Bit of a hack, set a default parent that will be used to parent any
* error boxes if none is supplied.
*
* This may be called multiple times, and the last call will be the
* main default. This function will keep track of the parents
* destruction state.
**/
void
e_error_default_parent(struct _GtkWindow *parent)
{
if (g_slist_find(ee_parent_list, parent) == NULL) {
ee_parent_list = g_slist_prepend(ee_parent_list, parent);
g_signal_connect(parent, "destroy", G_CALLBACK(remove_parent), parent);
}
}
