/*
* Copyright © 2001, 2002 Havoc Pennington
* Copyright © 2002 Red Hat, Inc.
* Copyright © 2002 Sun Microsystems
* Copyright © 2003 Mariano Suarez-Alvarez
* Copyright © 2008, 2011 Christian Persch
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h>
#include <stdlib.h>
#include <time.h>
#include <unistd.h>
#include <sys/types.h>
#include <langinfo.h>
#include <errno.h>
#include <glib.h>
#include <glib/gi18n.h>
#include <gio/gio.h>
#include <gtk/gtk.h>
#include <gdesktop-enums.h>
#include "terminal-accels.h"
#include "terminal-app.h"
#include "terminal-intl.h"
#include "terminal-util.h"
#include "terminal-libgsystem.h"
/**
* terminal_util_show_error_dialog:
* @transient_parent: parent of the future dialog window;
* @weap_ptr: pointer to a #Widget pointer, to control the population.
* @error: a #GError, or %NULL
* @message_format: printf() style format string
*
* Create a #GtkMessageDialog window with the message, and present it, handling its buttons.
* If @weap_ptr is not #NULL, only create the dialog if <literal>*weap_ptr</literal> is #NULL
* (and in that * case, set @weap_ptr to be a weak pointer to the new dialog), otherwise just
* present <literal>*weak_ptr</literal>. Note that in this last case, the message <emph>will</emph>
* be changed.
*/
void
terminal_util_show_error_dialog (GtkWindow *transient_parent,
GtkWidget **weak_ptr,
GError *error,
const char *message_format,
...)
{
gs_free char *message;
va_list args;
if (message_format)
{
va_start (args, message_format);
message = g_strdup_vprintf (message_format, args);
va_end (args);
}
else message = NULL;
if (weak_ptr == NULL || *weak_ptr == NULL)
{
GtkWidget *dialog;
dialog = gtk_message_dialog_new (transient_parent,
GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_MESSAGE_ERROR,
GTK_BUTTONS_OK,
message ? "%s" : NULL,
message);
if (error != NULL)
gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
"%s", error->message);
g_signal_connect (G_OBJECT (dialog), "response", G_CALLBACK (gtk_widget_destroy), NULL);
if (weak_ptr != NULL)
{
*weak_ptr = dialog;
g_object_add_weak_pointer (G_OBJECT (dialog), (void**)weak_ptr);
}
gtk_window_set_resizable (GTK_WINDOW (dialog), FALSE);
gtk_widget_show_all (dialog);
}
else
{
g_return_if_fail (GTK_IS_MESSAGE_DIALOG (*weak_ptr));
/* Sucks that there's no direct accessor for "text" property */
g_object_set (G_OBJECT (*weak_ptr), "text", message, NULL);
gtk_window_present (GTK_WINDOW (*weak_ptr));
}
}
static gboolean
open_url (GtkWindow *parent,
const char *uri,
guint32 user_time,
GError **error)
{
GdkScreen *screen;
gs_free char *uri_fixed;
if (parent)
screen = gtk_widget_get_screen (GTK_WIDGET (parent));
else
screen = gdk_screen_get_default ();
uri_fixed = terminal_util_uri_fixup (uri, error);
if (uri_fixed == NULL)
return FALSE;
return gtk_show_uri (screen, uri_fixed, user_time, error);
}
void
terminal_util_show_help (const char *topic)
{
gs_free_error GError *error = NULL;
gs_free char *uri;
if (topic) {
uri = g_strdup_printf ("help:gnome-terminal/%s", topic);
} else {
uri = g_strdup ("help:gnome-terminal");
}
if (!open_url (NULL, uri, gtk_get_current_event_time (), &error))
{
terminal_util_show_error_dialog (NULL, NULL, error,
_("There was an error displaying help"));
}
}
#define ABOUT_GROUP "About"
#define ABOUT_URL "https://wiki.gnome.org/Apps/Terminal"
#define EMAILIFY(string) (g_strdelimit ((string), "%", '@'))
void
terminal_util_show_about (void)
{
static const char copyright[] =
"Copyright © 2002–2004 Havoc Pennington\n"
"Copyright © 2003–2004, 2007 Mariano Suárez-Alvarez\n"
"Copyright © 2006 Guilherme de S. Pastore\n"
"Copyright © 2007–2018 Christian Persch\n"
"Copyright © 2013–2018 Egmont Koblinger";
char *licence_text;
GKeyFile *key_file;
GBytes *bytes;
const guint8 *data;
gsize data_len;
GError *error = NULL;
char **authors, **contributors, **artists, **documenters, **array_strv;
gsize n_authors = 0, n_contributors = 0, n_artists = 0, n_documenters = 0 , i;
GPtrArray *array;
gs_free char *comment;
gs_free char *vte_version;
GtkWindow *dialog;
bytes = g_resources_lookup_data (TERMINAL_RESOURCES_PATH_PREFIX "/ui/terminal.about",
G_RESOURCE_LOOKUP_FLAGS_NONE,
&error);
g_assert_no_error (error);
data = g_bytes_get_data (bytes, &data_len);
key_file = g_key_file_new ();
g_key_file_load_from_data (key_file, (const char *) data, data_len, 0, &error);
g_assert_no_error (error);
authors = g_key_file_get_string_list (key_file, ABOUT_GROUP, "Authors", &n_authors, NULL);
contributors = g_key_file_get_string_list (key_file, ABOUT_GROUP, "Contributors", &n_contributors, NULL);
artists = g_key_file_get_string_list (key_file, ABOUT_GROUP, "Artists", &n_artists, NULL);
documenters = g_key_file_get_string_list (key_file, ABOUT_GROUP, "Documenters", &n_documenters, NULL);
g_key_file_free (key_file);
g_bytes_unref (bytes);
array = g_ptr_array_new ();
for (i = 0; i < n_authors; ++i)
g_ptr_array_add (array, EMAILIFY (authors[i]));
g_free (authors); /* strings are now owned by the array */
if (n_contributors > 0)
{
g_ptr_array_add (array, g_strdup (""));
g_ptr_array_add (array, g_strdup (_("Contributors:")));
for (i = 0; i < n_contributors; ++i)
g_ptr_array_add (array, EMAILIFY (contributors[i]));
}
g_free (contributors); /* strings are now owned by the array */
g_ptr_array_add (array, NULL);
array_strv = (char **) g_ptr_array_free (array, FALSE);
for (i = 0; i < n_artists; ++i)
artists[i] = EMAILIFY (artists[i]);
for (i = 0; i < n_documenters; ++i)
documenters[i] = EMAILIFY (documenters[i]);
licence_text = terminal_util_get_licence_text ();
vte_version = g_strdup_printf (_("Using VTE version %u.%u.%u"),
vte_get_major_version (),
vte_get_minor_version (),
vte_get_micro_version ());
comment = g_strdup_printf("%s\n%s %s",
_("A terminal emulator for the GNOME desktop"),
vte_version,
vte_get_features ());
dialog = g_object_new (GTK_TYPE_ABOUT_DIALOG,
/* Hold the application while the window is shown */
"application", terminal_app_get (),
"program-name", _("GNOME Terminal"),
"copyright", copyright,
"comments", comment,
"version", VERSION,
"authors", array_strv,
"artists", artists,
"documenters", documenters,
"license", licence_text,
"wrap-license", TRUE,
"website", ABOUT_URL,
"translator-credits", _("translator-credits"),
"logo-icon-name", GNOME_TERMINAL_ICON_NAME,
NULL);
g_signal_connect (dialog, "response", G_CALLBACK (gtk_widget_destroy), NULL);
gtk_window_present (dialog);
g_strfreev (array_strv);
g_strfreev (artists);
g_strfreev (documenters);
g_free (licence_text);
}
/* sets accessible name and description for the widget */
void
terminal_util_set_atk_name_description (GtkWidget *widget,
const char *name,
const char *desc)
{
AtkObject *obj;
obj = gtk_widget_get_accessible (widget);
if (obj == NULL)
{
g_warning ("%s: for some reason widget has no GtkAccessible",
G_STRFUNC);
return;
}
if (!GTK_IS_ACCESSIBLE (obj))
return; /* This means GAIL is not loaded so we have the NoOp accessible */
g_return_if_fail (GTK_IS_ACCESSIBLE (obj));
if (desc)
atk_object_set_description (obj, desc);
if (name)
atk_object_set_name (obj, name);
}
void
terminal_util_open_url (GtkWidget *parent,
const char *orig_url,
TerminalURLFlavor flavor,
guint32 user_time)
{
gs_free_error GError *error = NULL;
gs_free char *uri = NULL;
g_return_if_fail (orig_url != NULL);
switch (flavor)
{
case FLAVOR_DEFAULT_TO_HTTP:
uri = g_strdup_printf ("http://%s", orig_url);
break;
case FLAVOR_EMAIL:
if (g_ascii_strncasecmp ("mailto:", orig_url, 7) != 0)
uri = g_strdup_printf ("mailto:%s", orig_url);
else
uri = g_strdup (orig_url);
break;
case FLAVOR_VOIP_CALL:
case FLAVOR_AS_IS:
uri = g_strdup (orig_url);
break;
default:
uri = NULL;
g_assert_not_reached ();
}
if (!open_url (GTK_WINDOW (parent), uri, user_time, &error))
{
terminal_util_show_error_dialog (GTK_WINDOW (parent), NULL, error,
_("Could not open the address “%s”"),
uri);
}
}
/**
* terminal_util_transform_uris_to_quoted_fuse_paths:
* @uris:
*
* Transforms those URIs in @uris to shell-quoted paths that point to
* GIO fuse paths.
*/
void
terminal_util_transform_uris_to_quoted_fuse_paths (char **uris)
{
guint i;
if (!uris)
return;
for (i = 0; uris[i]; ++i)
{
gs_unref_object GFile *file;
gs_free char *path;
file = g_file_new_for_uri (uris[i]);
path = g_file_get_path (file);
if (path)
{
char *quoted;
quoted = g_shell_quote (path);
g_free (uris[i]);
uris[i] = quoted;
}
}
}
char *
terminal_util_concat_uris (char **uris,
gsize *length)
{
GString *string;
gsize len;
guint i;
len = 0;
for (i = 0; uris[i]; ++i)
len += strlen (uris[i]) + 1;
if (length)
*length = len;
string = g_string_sized_new (len + 1);
for (i = 0; uris[i]; ++i)
{
g_string_append (string, uris[i]);
g_string_append_c (string, ' ');
}
return g_string_free (string, FALSE);
}
char *
terminal_util_get_licence_text (void)
{
const gchar *license[] = {
N_("GNOME Terminal 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 3 of the License, or "
"(at your option) any later version."),
N_("GNOME Terminal 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."),
N_("You should have received a copy of the GNU General Public License "
"along with GNOME Terminal. If not, see <http://www.gnu.org/licenses/>.")
};
return g_strjoin ("\n\n", _(license[0]), _(license[1]), _(license[2]), NULL);
}
static void
main_object_destroy_cb (GtkWidget *widget)
{
g_object_set_data (G_OBJECT (widget), "builder", NULL);
}
GtkBuilder *
terminal_util_load_widgets_resource (const char *path,
const char *main_object_name,
const char *object_name,
...)
{
GtkBuilder *builder;
GError *error = NULL;
va_list args;
builder = gtk_builder_new ();
gtk_builder_add_from_resource (builder, path, &error);
g_assert_no_error (error);
va_start (args, object_name);
while (object_name) {
GObject **objectptr;
objectptr = va_arg (args, GObject**);
*objectptr = gtk_builder_get_object (builder, object_name);
if (!*objectptr)
g_error ("Failed to fetch object \"%s\" from resource \"%s\"\n", object_name, path);
object_name = va_arg (args, const char*);
}
va_end (args);
if (main_object_name) {
GObject *main_object;
GtkWidget *action_area;
main_object = gtk_builder_get_object (builder, main_object_name);
g_object_set_data_full (main_object, "builder", g_object_ref (builder), (GDestroyNotify) g_object_unref);
g_signal_connect (main_object, "destroy", G_CALLBACK (main_object_destroy_cb), NULL);
/* Fixup dialogue padding, #735242 */
if (GTK_IS_DIALOG (main_object) &&
(action_area = (GtkWidget *) gtk_builder_get_object (builder, "dialog-action-area"))) {
gtk_widget_set_margin_left (action_area, 5);
gtk_widget_set_margin_right (action_area, 5);
gtk_widget_set_margin_top (action_area, 5);
gtk_widget_set_margin_bottom (action_area, 5);
}
}
return builder;
}
void
terminal_util_load_objects_resource (const char *path,
const char *object_name,
...)
{
gs_unref_object GtkBuilder *builder;
GError *error = NULL;
va_list args;
builder = gtk_builder_new ();
gtk_builder_add_from_resource (builder, path, &error);
g_assert_no_error (error);
va_start (args, object_name);
while (object_name) {
GObject **objectptr;
objectptr = va_arg (args, GObject**);
*objectptr = gtk_builder_get_object (builder, object_name);
if (*objectptr)
g_object_ref (*objectptr);
else
g_error ("Failed to fetch object \"%s\" from resource \"%s\"\n", object_name, path);
object_name = va_arg (args, const char*);
}
va_end (args);
}
gboolean
terminal_util_dialog_response_on_delete (GtkWindow *widget)
{
gtk_dialog_response (GTK_DIALOG (widget), GTK_RESPONSE_DELETE_EVENT);
return TRUE;
}
void
terminal_util_dialog_focus_widget (GtkBuilder *builder,
const char *widget_name)
{
GtkWidget *widget, *page, *page_parent;
if (widget_name == NULL)
return;
widget = GTK_WIDGET (gtk_builder_get_object (builder, widget_name));
if (widget == NULL)
return;
page = widget;
while (page != NULL &&
(page_parent = gtk_widget_get_parent (page)) != NULL &&
!GTK_IS_NOTEBOOK (page_parent))
page = page_parent;
page_parent = gtk_widget_get_parent (page);
if (page != NULL && GTK_IS_NOTEBOOK (page_parent)) {
GtkNotebook *notebook;
notebook = GTK_NOTEBOOK (page_parent);
gtk_notebook_set_current_page (notebook, gtk_notebook_page_num (notebook, page));
}
if (gtk_widget_is_sensitive (widget))
gtk_widget_grab_focus (widget);
}
/* Proxy stuff */
/*
* set_proxy_env:
* @env_table: a #GHashTable
* @key: the env var name
* @value: the env var value
*
* Adds @value for @key to @env_table, taking care to never overwrite an
* existing value for @key. @value is consumed.
*/
static void
set_proxy_env (GHashTable *env_table,
const char *key,
char *value /* consumed */)
{
char *key1 = NULL, *key2 = NULL;
char *value1 = NULL, *value2 = NULL;
if (!value)
return;
if (g_hash_table_lookup (env_table, key) == NULL)
key1 = g_strdup (key);
key2 = g_ascii_strup (key, -1);
if (g_hash_table_lookup (env_table, key) != NULL)
{
g_free (key2);
key2 = NULL;
}
if (key1 && key2)
{
value1 = value;
value2 = g_strdup (value);
}
else if (key1)
value1 = value;
else if (key2)
value2 = value;
else
g_free (value);
if (key1)
g_hash_table_replace (env_table, key1, value1);
if (key2)
g_hash_table_replace (env_table, key2, value2);
}
static void
setup_proxy_env (GSettings *proxy_settings,
const char *child_schema_id,
const char *proxy_scheme,
const char *env_name,
GHashTable *env_table)
{
gs_unref_object GSettings *child_settings;
GString *buf;
gs_free char *host;
int port;
gboolean is_http;
is_http = (strcmp (child_schema_id, "http") == 0);
child_settings = g_settings_get_child (proxy_settings, child_schema_id);
host = g_settings_get_string (child_settings, "host");
port = g_settings_get_int (child_settings, "port");
if (host[0] == '\0' || port == 0)
return;
buf = g_string_sized_new (64);
g_string_append_printf (buf, "%s://", proxy_scheme);
if (is_http &&
g_settings_get_boolean (child_settings, "use-authentication"))
{
gs_free char *user;
user = g_settings_get_string (child_settings, "authentication-user");
if (user[0])
{
gs_free char *password;
g_string_append_uri_escaped (buf, user, NULL, TRUE);
password = g_settings_get_string (child_settings, "authentication-password");
if (password[0])
{
g_string_append_c (buf, ':');
g_string_append_uri_escaped (buf, password, NULL, TRUE);
}
g_string_append_c (buf, '@');
}
}
g_string_append_printf (buf, "%s:%d/", host, port);
set_proxy_env (env_table, env_name, g_string_free (buf, FALSE));
}
static void
setup_autoconfig_proxy_env (GSettings *proxy_settings,
GHashTable *env_table)
{
/* XXX Not sure what to do with this. See bug #596688.
gs_free char *url;
url = g_settings_get_string (proxy_settings, "autoconfig-url");
if (url[0])
{
char *proxy;
proxy = g_strdup_printf ("pac+%s", url);
set_proxy_env (env_table, "http_proxy", proxy);
}
*/
}
static void
setup_ignore_proxy_env (GSettings *proxy_settings,
GHashTable *env_table)
{
GString *buf;
gs_strfreev char **ignore;
int i;
g_settings_get (proxy_settings, "ignore-hosts", "^as", &ignore);
if (ignore == NULL)
return;
buf = g_string_sized_new (64);
for (i = 0; ignore[i] != NULL; ++i)
{
if (buf->len)
g_string_append_c (buf, ',');
g_string_append (buf, ignore[i]);
}
set_proxy_env (env_table, "no_proxy", g_string_free (buf, FALSE));
}
/**
* terminal_util_add_proxy_env:
* @env_table: a #GHashTable
*
* Adds the proxy env variables to @env_table.
*/
void
terminal_util_add_proxy_env (GHashTable *env_table)
{
GSettings *proxy_settings;
GDesktopProxyMode mode;
proxy_settings = terminal_app_get_proxy_settings (terminal_app_get ());
mode = g_settings_get_enum (proxy_settings, "mode");
if (mode == G_DESKTOP_PROXY_MODE_MANUAL)
{
setup_proxy_env (proxy_settings, "http", "http", "http_proxy", env_table);
/* Even though it's https, the proxy scheme is 'http'. See bug #624440. */
setup_proxy_env (proxy_settings, "https", "http", "https_proxy", env_table);
/* Even though it's ftp, the proxy scheme is 'http'. See bug #624440. */
setup_proxy_env (proxy_settings, "ftp", "http", "ftp_proxy", env_table);
setup_proxy_env (proxy_settings, "socks", "socks", "all_proxy", env_table);
setup_ignore_proxy_env (proxy_settings, env_table);
}
else if (mode == G_DESKTOP_PROXY_MODE_AUTO)
{
setup_autoconfig_proxy_env (proxy_settings, env_table);
}
}
/**
* terminal_util_get_etc_shells:
*
* Returns: (transfer full) the contents of /etc/shells
*/
char **
terminal_util_get_etc_shells (void)
{
GError *err = NULL;
gsize len;
gs_free char *contents = NULL;
char *str, *nl, *end;
GPtrArray *arr;
if (!g_file_get_contents ("/etc/shells", &contents, &len, &err) || len == 0)
return NULL;
arr = g_ptr_array_new ();
str = contents;
end = contents + len;
while (str < end && (nl = strchr (str, '\n')) != NULL) {
if (str != nl) /* non-empty? */
g_ptr_array_add (arr, g_strndup (str, nl - str));
str = nl + 1;
}
/* Anything non-empty left? */
if (str < end && str[0])
g_ptr_array_add (arr, g_strdup (str));
g_ptr_array_add (arr, NULL);
return (char **) g_ptr_array_free (arr, FALSE);
}
/**
* terminal_util_get_is_shell:
* @command: a string
*
* Returns wether @command is a valid shell as defined by the contents of /etc/shells.
*
* Returns: whether @command is a shell
*/
gboolean
terminal_util_get_is_shell (const char *command)
{
gs_strfreev char **shells;
guint i;
shells = terminal_util_get_etc_shells ();
if (shells == NULL)
return FALSE;
for (i = 0; shells[i]; i++)
if (g_str_equal (command, shells[i]))
return TRUE;
return FALSE;
}
static gboolean
s_to_rgba (GVariant *variant,
gpointer *result,
gpointer user_data)
{
GdkRGBA *color = user_data;
const char *str;
if (variant == NULL) {
/* Fallback */
*result = NULL;
return TRUE;
}
g_variant_get (variant, "&s", &str);
if (!gdk_rgba_parse (color, str))
return FALSE;
color->alpha = 1.0;
*result = color;
return TRUE;
}
/**
* terminal_g_settings_new:
* @schema_id: a settings schema ID
* @mandatory_key: the name of a key that must exist in the schema
* @mandatory_key_type: the expected value type of @mandatory_key
*
* Creates a #GSettings for @schema_id, if this schema exists and
* has a key named @mandatory_key (if non-%NULL) with the value type
* @mandatory_key_type.
*
* Returns: (transfer full): a new #GSettings, or %NULL
*/
GSettings *
terminal_g_settings_new (const char *schema_id,
const char *mandatory_key,
const GVariantType *mandatory_key_type)
{
gs_unref_settings_schema GSettingsSchema *schema;
schema = g_settings_schema_source_lookup (g_settings_schema_source_get_default (),
schema_id,
TRUE);
if (schema == NULL)
return NULL;
if (mandatory_key) {
gs_unref_settings_schema_key GSettingsSchemaKey *key;
key = g_settings_schema_get_key (schema, mandatory_key);
if (key == NULL)
return NULL;
if (!g_variant_type_equal (g_settings_schema_key_get_value_type (key),
mandatory_key_type))
return NULL;
}
return g_settings_new_full (schema, NULL, NULL);
}
/**
* terminal_g_settings_get_rgba:
* @settings: a #GSettings
* @key: a valid key in @settings of type "s"
* @color: location to store the parsed color
*
* Gets a color from @key in @settings.
*
* Returns: @color if parsing succeeded, or %NULL otherwise
*/
const GdkRGBA *
terminal_g_settings_get_rgba (GSettings *settings,
const char *key,
GdkRGBA *color)
{
g_return_val_if_fail (color != NULL, FALSE);
return g_settings_get_mapped (settings, key,
(GSettingsGetMapping) s_to_rgba,
color);
}
/**
* terminal_g_settings_set_rgba:
* @settings: a #GSettings
* @key: a valid key in @settings of type "s"
* @color: a #GdkRGBA
*
* Sets a color in @key in @settings.
*/
void
terminal_g_settings_set_rgba (GSettings *settings,
const char *key,
const GdkRGBA *color)
{
gs_free char *str;
str = gdk_rgba_to_string (color);
g_settings_set_string (settings, key, str);
}
static gboolean
as_to_rgba_palette (GVariant *variant,
gpointer *result,
gpointer user_data)
{
gsize *n_colors = user_data;
gs_free GdkRGBA *colors = NULL;
gsize n = 0;
GVariantIter iter;
const char *str;
gsize i;
/* Fallback */
if (variant == NULL)
goto out;
g_variant_iter_init (&iter, variant);
n = g_variant_iter_n_children (&iter);
colors = g_new (GdkRGBA, n);
i = 0;
while (g_variant_iter_next (&iter, "&s", &str)) {
if (!gdk_rgba_parse (&colors[i++], str)) {
return FALSE;
}
}
out:
gs_transfer_out_value (result, &colors);
if (n_colors)
*n_colors = n;
return TRUE;
}
/**
* terminal_g_settings_get_rgba_palette:
* @settings: a #GSettings
* @key: a valid key in @settings or type "s"
* @n_colors: (allow-none): location to store the number of palette entries, or %NULL
*
* Returns: (transfer full):
*/
GdkRGBA *
terminal_g_settings_get_rgba_palette (GSettings *settings,
const char *key,
gsize *n_colors)
{
return g_settings_get_mapped (settings, key,
(GSettingsGetMapping) as_to_rgba_palette,
n_colors);
}
void
terminal_g_settings_set_rgba_palette (GSettings *settings,
const char *key,
const GdkRGBA *colors,
gsize n_colors)
{
gs_strfreev char **strv;
gsize i;
strv = g_new (char *, n_colors + 1);
for (i = 0; i < n_colors; ++i)
strv[i] = gdk_rgba_to_string (&colors[i]);
strv[n_colors] = NULL;
g_settings_set (settings, key, "^as", strv);
}
static void
mnemonic_label_set_sensitive_cb (GtkWidget *widget,
GParamSpec *pspec,
GtkWidget *label)
{
gtk_widget_set_sensitive (label, gtk_widget_get_sensitive (widget));
}
/**
* terminal_util_bind_mnemonic_label_sensitivity:
* @container: a #GtkContainer
*/
void
terminal_util_bind_mnemonic_label_sensitivity (GtkWidget *widget)
{
GList *list, *l;
list = gtk_widget_list_mnemonic_labels (widget);
for (l = list; l != NULL; l = l->next) {
GtkWidget *label = l->data;
if (gtk_widget_is_ancestor (label, widget))
continue;
#if 0
g_print ("Widget %s has mnemonic label %s\n",
gtk_buildable_get_name (GTK_BUILDABLE (widget)),
gtk_buildable_get_name (GTK_BUILDABLE (label)));
#endif
mnemonic_label_set_sensitive_cb (widget, NULL, label);
g_signal_connect (widget, "notify::sensitive",
G_CALLBACK (mnemonic_label_set_sensitive_cb),
label);
}
g_list_free (list);
if (GTK_IS_CONTAINER (widget))
gtk_container_foreach (GTK_CONTAINER (widget),
(GtkCallback) terminal_util_bind_mnemonic_label_sensitivity,
NULL);
}
/*
* "1234567", "'", 3 -> "1'234'567"
*/
static char *
add_separators (const char *in, const char *sep, int groupby)
{
int inlen, outlen, seplen, firstgrouplen;
char *out, *ret;
if (in[0] == '\0')
return g_strdup("");
inlen = strlen(in);
seplen = strlen(sep);
outlen = inlen + (inlen - 1) / groupby * seplen;
ret = out = g_malloc(outlen + 1);
firstgrouplen = (inlen - 1) % groupby + 1;
strncpy(out, in, firstgrouplen);
in += firstgrouplen;
out += firstgrouplen;
while (*in != '\0') {
strncpy(out, sep, seplen);
out += seplen;
strncpy(out, in, groupby);
in += groupby;
out += groupby;
}
g_assert(out - ret == outlen);
*out = '\0';
return ret;
}
/**
* terminal_util_number_info:
* @str: a dec or hex number as string
*
* Returns: (transfer full): Useful info about @str, or %NULL if it's too large
*/
char *
terminal_util_number_info (const char *str)
{
gs_free char *decstr = NULL;
gs_free char *hextmp = NULL;
gs_free char *hexstr = NULL;
gs_free char *magnitudestr = NULL;
unsigned long long num;
gboolean exact = TRUE;
gboolean hex = FALSE;
const char *thousep;
errno = 0;
/* Deliberately not handle octal */
if (str[1] == 'x' || str[1] == 'X') {
num = strtoull(str + 2, NULL, 16);
hex = TRUE;
} else {
num = strtoull(str, NULL, 10);
}
if (errno) {
return NULL;
}
/* No use in dec-hex conversion for so small numbers */
if (num < 10) {
return NULL;
}
/* Group the decimal digits */
thousep = nl_langinfo(THOUSEP);
if (thousep[0] != '\0') {
/* If thousep is nonempty, use printf's magic which can handle
more complex separating logics, e.g. 2+2+2+3 for some locales */
decstr = g_strdup_printf("%'llu", num);
} else {
/* If, however, thousep is empty, override it with a space so that we
do always group the digits (that's the whole point of this feature;
the choice of space guarantees not conflicting with the decimal separator) */
gs_free char *tmp = g_strdup_printf("%llu", num);
thousep = " ";
decstr = add_separators(tmp, thousep, 3);
}
/* Group the hex digits by 4 using the same nonempty separator */
hextmp = g_strdup_printf("%llx", num);
hexstr = add_separators(hextmp, thousep, 4);
/* Find out the human-readable magnitude, e.g. 15.99 Mi */
if (num >= 1024) {
int power = 0;
while (num >= 1024 * 1024) {
power++;
if (num % 1024 != 0)
exact = FALSE;
num /= 1024;
}
/* Show 2 fraction digits, always rounding downwards. Printf rounds floats to the nearest representable value,
so do the calculation with integers until we get 100-fold the desired value, and then switch to float. */
if (100 * num % 1024 != 0)
exact = FALSE;
num = 100 * num / 1024;
magnitudestr = g_strdup_printf(" %s %.2f %ci", exact ? "=" : "≈", (double) num / 100, "KMGTPE"[power]);
} else {
magnitudestr = g_strdup("");
}
return g_strdup_printf(hex ? "0x%2$s = %1$s%3$s" : "%s = 0x%s%s", decstr, hexstr, magnitudestr);
}
/**
* terminal_util_uri_fixup:
* @uri: The URI to verify and maybe fixup
* @error: a #GError that is returned in case of errors
*
* Checks if gnome-terminal should attempt to handle the given URI,
* and rewrites if necessary.
*
* Currently URIs of "file://some-other-host/..." are refused because
* GIO (e.g. gtk_show_uri()) silently strips off the remote hostname
* and opens the local counterpart which is incorrect and misleading.
*
* Furthermore, once the hostname is verified, it is stripped off to
* avoid potential confusion around short hostname vs. fqdn, and to
* work around bug 781800 (LibreOffice bug 107461).
*
* Returns: The possibly rewritten URI if gnome-terminal should attempt
* to handle it, NULL if it should refuse to handle.
*/
char *
terminal_util_uri_fixup (const char *uri,
GError **error)
{
gs_free char *filename;
gs_free char *hostname;
filename = g_filename_from_uri (uri, &hostname, NULL);
if (filename != NULL &&
hostname != NULL &&
hostname[0] != '\0') {
/* "file" scheme and nonempty hostname */
if (g_ascii_strcasecmp (hostname, "localhost") == 0 ||
g_ascii_strcasecmp (hostname, g_get_host_name()) == 0) {
/* hostname corresponds to localhost */
char *slash1, *slash2, *slash3;
/* We shouldn't enter this branch in case of URIs like
* "file:/etc/passwd", but just in case we do, or encounter
* something else unexpected, leave the URI unchanged. */
slash1 = strchr(uri, '/');
if (slash1 == NULL)
return g_strdup (uri);
slash2 = slash1 + 1;
if (*slash2 != '/')
return g_strdup (uri);
slash3 = strchr(slash2 + 1, '/');
if (slash3 == NULL)
return g_strdup (uri);
return g_strdup_printf("%.*s%s",
(int) (slash2 + 1 - uri),
uri,
slash3);
} else {
/* hostname refers to another host (e.g. the OSC 8 escape sequence
* was correctly emitted by a utility inside an ssh session) */
g_set_error_literal (error,
G_IO_ERROR,
G_IO_ERROR_NOT_SUPPORTED,
_("“file” scheme with remote hostname not supported"));
return NULL;
}
} else {
/* "file" scheme without hostname, or some other scheme */
return g_strdup (uri);
}
}
/**
* terminal_util_hyperlink_uri_label:
* @uri: a URI
*
* Formats @uri to be displayed in a tooltip.
* Performs URI-decoding and converts IDN hostname to UTF-8.
*
* Returns: (transfer full): The human readable URI as plain text
*/
char *terminal_util_hyperlink_uri_label (const char *uri)
{
gs_free char *unesc = NULL;
gboolean replace_hostname;
if (uri == NULL)
return NULL;
unesc = g_uri_unescape_string(uri, NULL);
if (unesc == NULL)
unesc = g_strdup(uri);
if (g_ascii_strncasecmp(unesc, "ftp://", 6) == 0 ||
g_ascii_strncasecmp(unesc, "http://", 7) == 0 ||
g_ascii_strncasecmp(unesc, "https://", 8) == 0) {
gs_free char *unidn = NULL;
char *hostname = strchr(unesc, '/') + 2;
char *hostname_end = strchrnul(hostname, '/');
char save = *hostname_end;
*hostname_end = '\0';
unidn = g_hostname_to_unicode(hostname);
replace_hostname = unidn != NULL && g_ascii_strcasecmp(unidn, hostname) != 0;
*hostname_end = save;
if (replace_hostname) {
char *new_unesc = g_strdup_printf("%.*s%s%s",
(int) (hostname - unesc),
unesc,
unidn,
hostname_end);
g_free(unesc);
unesc = new_unesc;
}
}
return terminal_util_utf8_make_valid (unesc, -1);
}
/**
* terminal_util_utf8_make_valid:
*
* Just as g_utf8_make_valid().
*
* FIXME: Use g_utf8_make_valid() instead once we require glib >= 2.52.
*/
gchar *
terminal_util_utf8_make_valid (const gchar *str,
gssize len)
{
/* copied from glib's g_utf8_make_valid() implementation */
GString *string;
const gchar *remainder, *invalid;
gsize remaining_bytes, valid_bytes;
g_return_val_if_fail (str != NULL, NULL);
if (len < 0)
len = strlen (str);
string = NULL;
remainder = str;
remaining_bytes = len;
while (remaining_bytes != 0)
{
if (g_utf8_validate (remainder, remaining_bytes, &invalid))
break;
valid_bytes = invalid - remainder;
if (string == NULL)
string = g_string_sized_new (remaining_bytes);
g_string_append_len (string, remainder, valid_bytes);
/* append U+FFFD REPLACEMENT CHARACTER */
g_string_append (string, "\357\277\275");
remaining_bytes -= valid_bytes + 1;
remainder = invalid + 1;
}
if (string == NULL)
return g_strndup (str, len);
g_string_append_len (string, remainder, remaining_bytes);
g_string_append_c (string, '\0');
g_assert (g_utf8_validate (string->str, -1, NULL));
return g_string_free (string, FALSE);
}
#define TERMINAL_CACHE_DIR "gnome-terminal"
#define TERMINAL_PRINT_SETTINGS_FILENAME "print-settings.ini"
#define TERMINAL_PRINT_SETTINGS_GROUP_NAME "Print Settings"
#define TERMINAL_PAGE_SETUP_GROUP_NAME "Page Setup"
#define KEYFILE_FLAGS_FOR_LOAD (G_KEY_FILE_NONE)
#define KEYFILE_FLAGS_FOR_SAVE (G_KEY_FILE_KEEP_COMMENTS | G_KEY_FILE_KEEP_TRANSLATIONS)
static char *
get_cache_dir (void)
{
return g_build_filename (g_get_user_cache_dir (), TERMINAL_CACHE_DIR, NULL);
}
static gboolean
ensure_cache_dir (void)
{
gs_free char *cache_dir;
int r;
cache_dir = get_cache_dir ();
errno = 0;
r = g_mkdir_with_parents (cache_dir, 0700);
if (r == -1 && errno != EEXIST)
g_printerr ("Failed to create cache dir: %m\n");
return r == 0;
}
static char *
get_cache_filename (const char *filename)
{
gs_free char *cache_dir = get_cache_dir ();
return g_build_filename (cache_dir, filename, NULL);
}
static GKeyFile *
load_cache_keyfile (const char *filename,
GKeyFileFlags flags,
gboolean ignore_error)
{
gs_free char *path;
GKeyFile *keyfile;
path = get_cache_filename (filename);
keyfile = g_key_file_new ();
if (g_key_file_load_from_file (keyfile, path, flags, NULL) || ignore_error)
return keyfile;
g_key_file_unref (keyfile);
return NULL;
}
static void
save_cache_keyfile (GKeyFile *keyfile,
const char *filename)
{
gs_free char *path = NULL;
gs_free char *data = NULL;
gsize len = 0;
if (!ensure_cache_dir ())
return;
data = g_key_file_to_data (keyfile, &len, NULL);
if (data == NULL || len == 0)
return;
path = get_cache_filename (filename);
/* Ignore errors */
GError *err = NULL;
if (!g_file_set_contents (path, data, len, &err)) {
g_printerr ("Error saving print settings: %s\n", err->message);
g_error_free (err);
}
}
static void
keyfile_remove_keys (GKeyFile *keyfile,
const char *group_name,
...)
{
va_list args;
const char *key;
va_start (args, group_name);
while ((key = va_arg (args, const char *)) != NULL) {
g_key_file_remove_key (keyfile, group_name, key, NULL);
}
va_end (args);
}
/**
* terminal_util_load_print_settings:
*
* Loads the saved print settings, if any.
*/
void
terminal_util_load_print_settings (GtkPrintSettings **settings,
GtkPageSetup **page_setup)
{
gs_unref_key_file GKeyFile *keyfile = load_cache_keyfile (TERMINAL_PRINT_SETTINGS_FILENAME,
KEYFILE_FLAGS_FOR_LOAD,
FALSE);
if (keyfile == NULL) {
*settings = NULL;
*page_setup = NULL;
return;
}
/* Ignore errors */
*settings = gtk_print_settings_new_from_key_file (keyfile,
TERMINAL_PRINT_SETTINGS_GROUP_NAME,
NULL);
*page_setup = gtk_page_setup_new_from_key_file (keyfile,
TERMINAL_PAGE_SETUP_GROUP_NAME,
NULL);
}
/**
* terminal_util_save_print_settings:
* @settings: (allow-none): a #GtkPrintSettings
* @page_setup: (allow-none): a #GtkPageSetup
*
* Saves the print settings.
*/
void
terminal_util_save_print_settings (GtkPrintSettings *settings,
GtkPageSetup *page_setup)
{
gs_unref_key_file GKeyFile *keyfile = NULL;
keyfile = load_cache_keyfile (TERMINAL_PRINT_SETTINGS_FILENAME,
KEYFILE_FLAGS_FOR_SAVE,
TRUE);
g_assert (keyfile != NULL);
if (settings != NULL)
gtk_print_settings_to_key_file (settings, keyfile,
TERMINAL_PRINT_SETTINGS_GROUP_NAME);
/* Some keys are not desirable to persist; remove these.
* This list comes from evince.
*/
keyfile_remove_keys (keyfile,
TERMINAL_PRINT_SETTINGS_GROUP_NAME,
GTK_PRINT_SETTINGS_COLLATE,
GTK_PRINT_SETTINGS_NUMBER_UP,
GTK_PRINT_SETTINGS_N_COPIES,
GTK_PRINT_SETTINGS_OUTPUT_URI,
GTK_PRINT_SETTINGS_PAGE_RANGES,
GTK_PRINT_SETTINGS_PAGE_SET,
GTK_PRINT_SETTINGS_PRINT_PAGES,
GTK_PRINT_SETTINGS_REVERSE,
GTK_PRINT_SETTINGS_SCALE,
NULL);
if (page_setup != NULL)
gtk_page_setup_to_key_file (page_setup, keyfile,
TERMINAL_PAGE_SETUP_GROUP_NAME);
/* Some keys are not desirable to persist; remove these.
* This list comes from evince.
*/
keyfile_remove_keys (keyfile,
TERMINAL_PAGE_SETUP_GROUP_NAME,
"page-setup-orientation",
"page-setup-margin-bottom",
"page-setup-margin-left",
"page-setup-margin-right",
"page-setup-margin-top",
NULL);
save_cache_keyfile (keyfile, TERMINAL_PRINT_SETTINGS_FILENAME);
}