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claws-mail/src/action.c

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/*
* Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
* Copyright (C) 1999-2003 Hiroyuki Yamamoto & The Sylpheed Claws Team
*
* 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 "defs.h"
#include <glib.h>
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#include <gdk/gdkx.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <signal.h>
#include <unistd.h>
#include "intl.h"
#include "utils.h"
#include "gtkutils.h"
#include "manage_window.h"
#include "mainwindow.h"
#include "prefs_common.h"
#include "alertpanel.h"
#include "inputdialog.h"
#include "action.h"
#include "compose.h"
#include "procmsg.h"
#include "gtkstext.h"
#include "textview.h"
typedef struct _Children Children;
typedef struct _ChildInfo ChildInfo;
typedef struct _UserStringDialog UserStringDialog;
struct _Children
{
GtkWidget *dialog;
GtkWidget *text;
GtkWidget *input_entry;
GtkWidget *input_hbox;
GtkWidget *progress_bar;
GtkWidget *abort_btn;
GtkWidget *close_btn;
GtkWidget *scrolledwin;
gchar *action;
ActionType action_type;
GSList *list;
gint nb;
gint initial_nb;
gint open_in;
gboolean output;
GtkWidget *msg_text;
GdkFont *msgfont;
};
struct _ChildInfo
{
Children *children;
gchar *cmd;
pid_t pid;
gint chld_in;
gint chld_out;
gint chld_err;
gint chld_status;
gint tag_in;
gint tag_out;
gint tag_err;
gint tag_status;
gint new_out;
GString *output;
};
static void action_update_menu (GtkItemFactory *ifactory,
gchar *branch_path,
gpointer callback,
gpointer data);
static void compose_actions_execute_cb (Compose *compose,
guint action_nb,
GtkWidget *widget);
static void mainwin_actions_execute_cb (MainWindow *mainwin,
guint action_nb,
GtkWidget *widget);
static void msgview_actions_execute_cb (MessageView *msgview,
guint action_nb,
GtkWidget *widget);
static void message_actions_execute (MessageView *msgview,
guint action_nb,
GSList *msg_list);
static gboolean execute_actions (gchar *action,
GSList *msg_list,
GtkWidget *text,
GdkFont *msgfont,
gint body_pos,
MimeInfo *partinfo);
static gchar *parse_action_cmd (gchar *action,
MsgInfo *msginfo,
GSList *msg_list,
MimeInfo *partinfo,
const gchar *user_str,
const gchar *user_hidden_str,
const gchar *sel_str);
static gboolean parse_append_filename (GString *cmd,
MsgInfo *msginfo);
static gboolean parse_append_msgpart (GString *cmd,
MsgInfo *msginfo,
MimeInfo *partinfo);
static ChildInfo *fork_child (gchar *cmd,
const gchar *msg_str,
Children *children);
static gint wait_for_children (Children *children);
static void free_children (Children *children);
static void childinfo_close_pipes (ChildInfo *child_info);
static void create_io_dialog (Children *children);
static void update_io_dialog (Children *children);
static void hide_io_dialog_cb (GtkWidget *widget,
gpointer data);
static gint io_dialog_key_pressed_cb (GtkWidget *widget,
GdkEventKey *event,
gpointer data);
static void catch_output (gpointer data,
gint source,
GdkInputCondition cond);
static void catch_input (gpointer data,
gint source,
GdkInputCondition cond);
static void catch_status (gpointer data,
gint source,
GdkInputCondition cond);
static gchar *get_user_string (const gchar *action,
ActionType type);
ActionType action_get_type(const gchar *action_str)
{
const gchar *p;
ActionType action_type = ACTION_NONE;
g_return_val_if_fail(action_str, ACTION_ERROR);
g_return_val_if_fail(*action_str, ACTION_ERROR);
p = action_str;
if (p[0] == '|') {
action_type |= ACTION_PIPE_IN;
p++;
} else if (p[0] == '>') {
action_type |= ACTION_USER_IN;
p++;
} else if (p[0] == '*') {
action_type |= ACTION_USER_HIDDEN_IN;
p++;
}
if (p[0] == '\0')
return ACTION_ERROR;
while (*p && action_type != ACTION_ERROR) {
if (p[0] == '%') {
switch (p[1]) {
case 'f':
action_type |= ACTION_SINGLE;
break;
case 'F':
action_type |= ACTION_MULTIPLE;
break;
case 'p':
action_type |= ACTION_SINGLE;
break;
case 's':
action_type |= ACTION_SELECTION_STR;
break;
case 'u':
action_type |= ACTION_USER_STR;
break;
case 'h':
action_type |= ACTION_USER_HIDDEN_STR;
break;
default:
action_type = ACTION_ERROR;
break;
}
} else if (p[0] == '|') {
if (p[1] == '\0')
action_type |= ACTION_PIPE_OUT;
} else if (p[0] == '>') {
if (p[1] == '\0')
action_type |= ACTION_INSERT;
} else if (p[0] == '&') {
if (p[1] == '\0')
action_type |= ACTION_ASYNC;
}
p++;
}
return action_type;
}
static gchar *parse_action_cmd(gchar *action, MsgInfo *msginfo,
GSList *msg_list, MimeInfo *partinfo,
const gchar *user_str,
const gchar *user_hidden_str,
const gchar *sel_str)
{
GString *cmd;
gchar *p;
GSList *cur;
p = action;
if (p[0] == '|' || p[0] == '>' || p[0] == '*')
p++;
cmd = g_string_sized_new(strlen(action));
while (p[0] &&
!((p[0] == '|' || p[0] == '>' || p[0] == '&') && !p[1])) {
if (p[0] == '%' && p[1]) {
switch (p[1]) {
case 'f':
if (!parse_append_filename(cmd, msginfo)) {
g_string_free(cmd, TRUE);
return NULL;
}
p++;
break;
case 'F':
for (cur = msg_list; cur != NULL;
cur = cur->next) {
MsgInfo *msg = (MsgInfo *)cur->data;
if (!parse_append_filename(cmd, msg)) {
g_string_free(cmd, TRUE);
return NULL;
}
if (cur->next)
g_string_append_c(cmd, ' ');
}
p++;
break;
case 'p':
if (!parse_append_msgpart(cmd, msginfo,
partinfo)) {
g_string_free(cmd, TRUE);
return NULL;
}
p++;
break;
case 's':
if (sel_str)
g_string_append(cmd, sel_str);
p++;
break;
case 'u':
if (user_str)
g_string_append(cmd, user_str);
p++;
break;
case 'h':
if (user_hidden_str)
g_string_append(cmd, user_hidden_str);
p++;
break;
default:
g_string_append_c(cmd, p[0]);
g_string_append_c(cmd, p[1]);
p++;
}
} else {
g_string_append_c(cmd, p[0]);
}
p++;
}
if (cmd->len == 0) {
g_string_free(cmd, TRUE);
return NULL;
}
p = cmd->str;
g_string_free(cmd, FALSE);
return p;
}
static gboolean parse_append_filename(GString *cmd, MsgInfo *msginfo)
{
gchar *filename;
g_return_val_if_fail(msginfo, FALSE);
filename = procmsg_get_message_file(msginfo);
if (filename) {
g_string_append(cmd, filename);
g_free(filename);
} else {
alertpanel_error(_("Could not get message file %d"),
msginfo->msgnum);
return FALSE;
}
return TRUE;
}
static gboolean parse_append_msgpart(GString *cmd, MsgInfo *msginfo,
MimeInfo *partinfo)
{
gboolean single_part = FALSE;
gchar *filename;
gchar *part_filename;
gint ret;
if (!partinfo) {
partinfo = procmime_scan_message(msginfo);
if (!partinfo) {
alertpanel_error(_("Could not get message part."));
return FALSE;
}
single_part = TRUE;
}
filename = procmsg_get_message_file_path(msginfo);
part_filename = procmime_get_tmp_file_name(partinfo);
ret = procmime_get_part(part_filename, filename, partinfo);
if (single_part)
procmime_mimeinfo_free_all(partinfo);
g_free(filename);
if (ret < 0) {
alertpanel_error(_("Can't get part of multipart message"));
g_free(part_filename);
return FALSE;
}
g_string_append(cmd, part_filename);
g_free(part_filename);
return TRUE;
}
void actions_execute(gpointer data,
guint action_nb,
GtkWidget *widget,
gint source)
{
if (source == TOOLBAR_MAIN)
mainwin_actions_execute_cb((MainWindow*)data, action_nb, widget);
else if (source == TOOLBAR_COMPOSE)
compose_actions_execute_cb((Compose*)data, action_nb, widget);
else if (source == TOOLBAR_MSGVIEW)
msgview_actions_execute_cb((MessageView*)data, action_nb, widget);
}
void action_update_mainwin_menu(GtkItemFactory *ifactory, MainWindow *mainwin)
{
action_update_menu(ifactory, "/Tools/Actions",
mainwin_actions_execute_cb, mainwin);
}
void action_update_msgview_menu(GtkItemFactory *ifactory, MessageView *msgview)
{
action_update_menu(ifactory, "/Tools/Actions",
msgview_actions_execute_cb, msgview);
}
void action_update_compose_menu(GtkItemFactory *ifactory, Compose *compose)
{
action_update_menu(ifactory, "/Tools/Actions",
compose_actions_execute_cb, compose);
}
static void action_update_menu(GtkItemFactory *ifactory, gchar *branch_path,
gpointer callback, gpointer data)
{
GtkWidget *menuitem;
gchar *menu_path;
GSList *cur;
gchar *action, *action_p;
GList *amenu;
GtkItemFactoryEntry ifentry = {NULL, NULL, NULL, 0, "<Branch>"};
ifentry.path = branch_path;
menuitem = gtk_item_factory_get_widget(ifactory, branch_path);
g_return_if_fail(menuitem != NULL);
amenu = GTK_MENU_SHELL(menuitem)->children;
while (amenu != NULL) {
GList *alist = amenu->next;
gtk_widget_destroy(GTK_WIDGET(amenu->data));
amenu = alist;
}
ifentry.accelerator = NULL;
ifentry.callback_action = 0;
ifentry.callback = callback;
ifentry.item_type = NULL;
for (cur = prefs_common.actions_list; cur; cur = cur->next) {
action = g_strdup((gchar *)cur->data);
action_p = strstr(action, ": ");
if (action_p && action_p[2] &&
action_get_type(&action_p[2]) != ACTION_ERROR) {
action_p[0] = 0x00;
menu_path = g_strdup_printf("%s/%s", branch_path,
action);
ifentry.path = menu_path;
gtk_item_factory_create_item(ifactory, &ifentry, data,
1);
g_free(menu_path);
}
g_free(action);
ifentry.callback_action++;
}
}
static void compose_actions_execute_cb(Compose *compose, guint action_nb,
GtkWidget *widget)
{
gchar *buf, *action;
ActionType action_type;
g_return_if_fail(action_nb < g_slist_length(prefs_common.actions_list));
buf = (gchar *)g_slist_nth_data(prefs_common.actions_list, action_nb);
g_return_if_fail(buf != NULL);
action = strstr(buf, ": ");
g_return_if_fail(action != NULL);
/* Point to the beginning of the command-line */
action += 2;
action_type = action_get_type(action);
if (action_type & (ACTION_SINGLE | ACTION_MULTIPLE)) {
alertpanel_warning
(_("The selected action cannot be used in the compose window\n"
"because it contains %%f, %%F or %%p."));
return;
}
execute_actions(action, NULL, compose->text, NULL, 0, NULL);
}
static void mainwin_actions_execute_cb(MainWindow *mainwin, guint action_nb,
GtkWidget *widget)
{
GSList *msg_list;
msg_list = summary_get_selected_msg_list(mainwin->summaryview);
message_actions_execute(mainwin->messageview, action_nb, msg_list);
g_slist_free(msg_list);
}
static void msgview_actions_execute_cb(MessageView *msgview, guint action_nb,
GtkWidget *widget)
{
GSList *msg_list = NULL;
if (msgview->msginfo)
msg_list = g_slist_append(msg_list, msgview->msginfo);
message_actions_execute(msgview, action_nb, msg_list);
g_slist_free(msg_list);
}
static void message_actions_execute(MessageView *msgview, guint action_nb,
GSList *msg_list)
{
TextView *textview;
MimeInfo *partinfo;
gchar *buf;
gchar *action;
GtkWidget *text = NULL;
GdkFont *msgfont = NULL;
guint body_pos = 0;
ActionType action_type;
g_return_if_fail(action_nb < g_slist_length(prefs_common.actions_list));
buf = (gchar *)g_slist_nth_data(prefs_common.actions_list, action_nb);
g_return_if_fail(buf);
g_return_if_fail(action = strstr(buf, ": "));
/* Point to the beginning of the command-line */
action += 2;
textview = messageview_get_current_textview(msgview);
if (textview) {
text = textview->text;
msgfont = textview->msgfont;
body_pos = textview->body_pos;
}
partinfo = messageview_get_selected_mime_part(msgview);
/* this command will alter the message text */
action_type = action_get_type(action);
if (action_type & (ACTION_PIPE_OUT | ACTION_INSERT))
msgview->filtered = TRUE;
execute_actions(action, msg_list, text, msgfont, body_pos, partinfo);
}
static gboolean execute_actions(gchar *action, GSList *msg_list,
GtkWidget *text, GdkFont *msgfont,
gint body_pos, MimeInfo *partinfo)
{
GSList *children_list = NULL;
gint is_ok = TRUE;
gint msg_list_len;
Children *children;
ChildInfo *child_info;
ActionType action_type;
MsgInfo *msginfo;
gchar *cmd;
guint start = 0, end = 0;
gchar *sel_str = NULL;
gchar *msg_str = NULL;
gchar *user_str = NULL;
gchar *user_hidden_str = NULL;
g_return_val_if_fail(action && *action, FALSE);
action_type = action_get_type(action);
if (action_type == ACTION_ERROR)
return FALSE; /* ERR: syntax error */
if (action_type & (ACTION_SINGLE | ACTION_MULTIPLE) && !msg_list)
return FALSE; /* ERR: file command without selection */
msg_list_len = g_slist_length(msg_list);
if (action_type & (ACTION_PIPE_OUT | ACTION_PIPE_IN | ACTION_INSERT)) {
if (msg_list_len > 1)
return FALSE; /* ERR: pipe + multiple selection */
if (!text)
return FALSE; /* ERR: pipe and no displayed text */
}
if (action_type & ACTION_SELECTION_STR) {
if (!text)
return FALSE; /* ERR: selection string but no text */
}
if (text) {
if (GTK_EDITABLE(text)->has_selection) {
start = GTK_EDITABLE(text)->selection_start_pos;
end = GTK_EDITABLE(text)->selection_end_pos;
if (start > end) {
guint tmp;
tmp = start;
start = end;
end = tmp;
}
if (start == end) {
start = body_pos;
end = gtk_stext_get_length(GTK_STEXT(text));
msg_str = gtk_editable_get_chars
(GTK_EDITABLE(text), start, end);
} else {
sel_str = gtk_editable_get_chars
(GTK_EDITABLE(text), start, end);
msg_str = g_strdup(sel_str);
}
} else {
start = body_pos;
end = gtk_stext_get_length(GTK_STEXT(text));
msg_str = gtk_editable_get_chars(GTK_EDITABLE(text),
start, end);
}
}
if (action_type & ACTION_USER_STR) {
if (!(user_str = get_user_string(action, ACTION_USER_STR))) {
g_free(msg_str);
g_free(sel_str);
return FALSE;
}
}
if (action_type & ACTION_USER_HIDDEN_STR) {
if (!(user_hidden_str =
get_user_string(action, ACTION_USER_HIDDEN_STR))) {
g_free(msg_str);
g_free(sel_str);
g_free(user_str);
return FALSE;
}
}
if (action_type & ACTION_PIPE_OUT) {
gtk_stext_freeze(GTK_STEXT(text));
gtk_stext_set_point(GTK_STEXT(text), start);
gtk_stext_forward_delete(GTK_STEXT(text), end - start);
gtk_stext_thaw(GTK_STEXT(text));
}
children = g_new0(Children, 1);
children->action = g_strdup(action);
children->action_type = action_type;
children->msg_text = text;
children->msgfont = msgfont;
if ((action_type & (ACTION_USER_IN | ACTION_USER_HIDDEN_IN)) &&
((action_type & ACTION_SINGLE) == 0 || msg_list_len == 1))
children->open_in = 1;
if (action_type & ACTION_SINGLE) {
GSList *cur;
for (cur = msg_list; cur && is_ok == TRUE; cur = cur->next) {
msginfo = (MsgInfo *)cur->data;
if (!msginfo) {
is_ok = FALSE; /* ERR: msginfo missing */
break;
}
cmd = parse_action_cmd(action, msginfo, msg_list,
partinfo, user_str,
user_hidden_str, sel_str);
if (!cmd) {
debug_print("Action command error\n");
is_ok = FALSE; /* ERR: incorrect command */
break;
}
if ((child_info = fork_child(cmd, msg_str, children))) {
children_list = g_slist_append(children_list,
child_info);
}
g_free(cmd);
}
} else {
cmd = parse_action_cmd(action, NULL, msg_list, partinfo,
user_str, user_hidden_str, sel_str);
if (cmd) {
if ((child_info = fork_child(cmd, msg_str, children))) {
children_list = g_slist_append(children_list,
child_info);
}
g_free(cmd);
} else
is_ok = FALSE; /* ERR: incorrect command */
}
g_free(msg_str);
g_free(sel_str);
g_free(user_str);
g_free(user_hidden_str);
if (!children_list) {
/* If not waiting for children, return */
free_children(children);
} else {
GSList *cur;
children->list = children_list;
children->nb = g_slist_length(children_list);
children->initial_nb = children->nb;
for (cur = children_list; cur; cur = cur->next) {
child_info = (ChildInfo *) cur->data;
child_info->tag_status =
gdk_input_add(child_info->chld_status,
GDK_INPUT_READ,
catch_status, child_info);
}
create_io_dialog(children);
}
return is_ok;
}
static ChildInfo *fork_child(gchar *cmd, const gchar *msg_str,
Children *children)
{
gint chld_in[2], chld_out[2], chld_err[2], chld_status[2];
gchar *cmdline[4];
pid_t pid, gch_pid;
ChildInfo *child_info;
gint sync;
sync = !(children->action_type & ACTION_ASYNC);
chld_in[0] = chld_in[1] = chld_out[0] = chld_out[1] = chld_err[0]
= chld_err[1] = chld_status[0] = chld_status[1] = -1;
if (sync) {
if (pipe(chld_status) || pipe(chld_in) || pipe(chld_out) ||
pipe(chld_err)) {
alertpanel_error(_("Command could not be started. "
"Pipe creation failed.\n%s"),
g_strerror(errno));
/* Closing fd = -1 fails silently */
close(chld_in[0]);
close(chld_in[1]);
close(chld_out[0]);
close(chld_out[1]);
close(chld_err[0]);
close(chld_err[1]);
close(chld_status[0]);
close(chld_status[1]);
return NULL; /* Pipe error */
}
}
debug_print("Forking child and grandchild.\n");
pid = fork();
if (pid == 0) { /* Child */
if (setpgid(0, 0))
perror("setpgid");
close(ConnectionNumber(gdk_display));
gch_pid = fork();
if (gch_pid == 0) {
if (setpgid(0, getppid()))
perror("setpgid");
if (sync) {
if (children->action_type &
(ACTION_PIPE_IN |
ACTION_USER_IN |
ACTION_USER_HIDDEN_IN)) {
close(fileno(stdin));
dup (chld_in[0]);
}
close(chld_in[0]);
close(chld_in[1]);
close(fileno(stdout));
dup (chld_out[1]);
close(chld_out[0]);
close(chld_out[1]);
close(fileno(stderr));
dup (chld_err[1]);
close(chld_err[0]);
close(chld_err[1]);
}
cmdline[0] = "sh";
cmdline[1] = "-c";
cmdline[2] = cmd;
cmdline[3] = 0;
execvp("/bin/sh", cmdline);
perror("execvp");
_exit(1);
} else if (gch_pid < (pid_t) 0) { /* Fork error */
if (sync)
write(chld_status[1], "1\n", 2);
perror("fork");
_exit(1);
} else { /* Child */
if (sync) {
close(chld_in[0]);
close(chld_in[1]);
close(chld_out[0]);
close(chld_out[1]);
close(chld_err[0]);
close(chld_err[1]);
close(chld_status[0]);
debug_print("Child: Waiting for grandchild\n");
waitpid(gch_pid, NULL, 0);
debug_print("Child: grandchild ended\n");
write(chld_status[1], "0\n", 2);
close(chld_status[1]);
}
_exit(0);
}
} else if (pid < 0) { /* Fork error */
alertpanel_error(_("Could not fork to execute the following "
"command:\n%s\n%s"),
cmd, g_strerror(errno));
return NULL;
}
/* Parent */
if (!sync) {
waitpid(pid, NULL, 0);
return NULL;
}
close(chld_in[0]);
if (!(children->action_type &
(ACTION_PIPE_IN | ACTION_USER_IN | ACTION_USER_HIDDEN_IN)))
close(chld_in[1]);
close(chld_out[1]);
close(chld_err[1]);
close(chld_status[1]);
child_info = g_new0(ChildInfo, 1);
child_info->children = children;
child_info->pid = pid;
child_info->cmd = g_strdup(cmd);
child_info->new_out = FALSE;
child_info->output = g_string_new(NULL);
child_info->chld_in =
(children->action_type &
(ACTION_PIPE_IN | ACTION_USER_IN | ACTION_USER_HIDDEN_IN))
? chld_in [1] : -1;
child_info->chld_out = chld_out[0];
child_info->chld_err = chld_err[0];
child_info->chld_status = chld_status[0];
child_info->tag_in = -1;
child_info->tag_out = gdk_input_add(chld_out[0], GDK_INPUT_READ,
catch_output, child_info);
child_info->tag_err = gdk_input_add(chld_err[0], GDK_INPUT_READ,
catch_output, child_info);
if (!(children->action_type &
(ACTION_PIPE_IN | ACTION_PIPE_OUT | ACTION_INSERT)))
return child_info;
if ((children->action_type & ACTION_PIPE_IN) && msg_str) {
write(chld_in[1], msg_str, strlen(msg_str));
if (!(children->action_type &
(ACTION_USER_IN | ACTION_USER_HIDDEN_IN)))
close(chld_in[1]);
child_info->chld_in = -1; /* No more input */
}
return child_info;
}
static void kill_children_cb(GtkWidget *widget, gpointer data)
{
GSList *cur;
Children *children = (Children *) data;
ChildInfo *child_info;
for (cur = children->list; cur; cur = cur->next) {
child_info = (ChildInfo *)(cur->data);
debug_print("Killing child group id %d\n", child_info->pid);
if (child_info->pid && kill(-child_info->pid, SIGTERM) < 0)
perror("kill");
}
}
static gint wait_for_children(Children *children)
{
gboolean new_output;
ChildInfo *child_info;
GSList *cur;
gint nb = children->nb;
children->nb = 0;
cur = children->list;
new_output = FALSE;
while (cur) {
child_info = (ChildInfo *)cur->data;
if (child_info->pid)
children->nb++;
new_output |= child_info->new_out;
cur = cur->next;
}
children->output |= new_output;
if (new_output || (children->dialog && (nb != children->nb)))
update_io_dialog(children);
if (children->nb)
return FALSE;
if (!children->dialog) {
free_children(children);
} else if (!children->output) {
gtk_widget_destroy(children->dialog);
}
return FALSE;
}
static void send_input(GtkWidget *w, gpointer data)
{
Children *children = (Children *) data;
ChildInfo *child_info = (ChildInfo *) children->list->data;
child_info->tag_in = gdk_input_add(child_info->chld_in,
GDK_INPUT_WRITE,
catch_input, children);
gtk_widget_set_sensitive(children->input_hbox, FALSE);
}
static gint delete_io_dialog_cb(GtkWidget *w, GdkEvent *e, gpointer data)
{
hide_io_dialog_cb(w, data);
return TRUE;
}
static void hide_io_dialog_cb(GtkWidget *w, gpointer data)
{
Children *children = (Children *)data;
if (!children->nb) {
gtk_signal_disconnect_by_data(GTK_OBJECT(children->dialog),
children);
gtk_widget_destroy(children->dialog);
free_children(children);
}
}
static gint io_dialog_key_pressed_cb(GtkWidget *widget, GdkEventKey *event,
gpointer data)
{
if (event && event->keyval == GDK_Escape)
hide_io_dialog_cb(widget, data);
return TRUE;
}
static void childinfo_close_pipes(ChildInfo *child_info)
{
if (child_info->tag_in > 0)
gdk_input_remove(child_info->tag_in);
gdk_input_remove(child_info->tag_out);
gdk_input_remove(child_info->tag_err);
if (child_info->chld_in >= 0)
close(child_info->chld_in);
close(child_info->chld_out);
close(child_info->chld_err);
close(child_info->chld_status);
}
static void free_children(Children *children)
{
ChildInfo *child_info;
debug_print("Freeing children data %p\n", children);
g_free(children->action);
while (children->list != NULL) {
child_info = (ChildInfo *)children->list->data;
g_free(child_info->cmd);
g_string_free(child_info->output, TRUE);
children->list = g_slist_remove(children->list, child_info);
g_free(child_info);
}
g_free(children);
}
static void update_io_dialog(Children *children)
{
GSList *cur;
debug_print("Updating actions input/output dialog.\n");
if (children->progress_bar) {
gtk_progress_configure(GTK_PROGRESS(children->progress_bar),
children->initial_nb -children->nb,
0.0, children->initial_nb);
}
if (!children->nb) {
gtk_widget_set_sensitive(children->abort_btn, FALSE);
gtk_widget_set_sensitive(children->close_btn, TRUE);
if (children->input_hbox)
gtk_widget_set_sensitive(children->input_hbox, FALSE);
gtk_widget_grab_focus(children->close_btn);
gtk_signal_connect(GTK_OBJECT(children->dialog),
"key_press_event",
GTK_SIGNAL_FUNC(io_dialog_key_pressed_cb),
children);
}
if (children->output) {
GtkWidget *text = children->text;
gchar *caption;
ChildInfo *child_info;
gtk_widget_show(children->scrolledwin);
gtk_text_freeze(GTK_TEXT(text));
gtk_text_set_point(GTK_TEXT(text), 0);
gtk_text_forward_delete(GTK_TEXT(text),
gtk_text_get_length(GTK_TEXT(text)));
for (cur = children->list; cur; cur = cur->next) {
child_info = (ChildInfo *)cur->data;
if (child_info->pid)
caption = g_strdup_printf
(_("--- Running: %s\n"),
child_info->cmd);
else
caption = g_strdup_printf
(_("--- Ended: %s\n"),
child_info->cmd);
gtk_text_insert(GTK_TEXT(text), NULL, NULL, NULL,
caption, -1);
gtk_text_insert(GTK_TEXT(text), NULL, NULL, NULL,
child_info->output->str, -1);
g_free(caption);
child_info->new_out = FALSE;
}
gtk_text_thaw(GTK_TEXT(text));
}
}
static void create_io_dialog(Children *children)
{
GtkWidget *dialog;
GtkWidget *vbox;
GtkWidget *entry = NULL;
GtkWidget *input_hbox = NULL;
GtkWidget *send_button;
GtkWidget *label;
GtkWidget *text;
GtkWidget *scrolledwin;
GtkWidget *hbox;
GtkWidget *progress_bar = NULL;
GtkWidget *abort_button;
GtkWidget *close_button;
debug_print("Creating action IO dialog\n");
dialog = gtk_dialog_new();
gtk_container_set_border_width
(GTK_CONTAINER(GTK_DIALOG(dialog)->action_area), 5);
gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
gtk_window_set_title(GTK_WINDOW(dialog), _("Action's input/output"));
gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
manage_window_set_transient(GTK_WINDOW(dialog));
gtk_signal_connect(GTK_OBJECT(dialog), "delete_event",
GTK_SIGNAL_FUNC(delete_io_dialog_cb), children);
gtk_signal_connect(GTK_OBJECT(dialog), "destroy",
GTK_SIGNAL_FUNC(hide_io_dialog_cb),
children);
vbox = gtk_vbox_new(FALSE, 8);
gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->vbox), vbox);
gtk_container_set_border_width(GTK_CONTAINER(vbox), 8);
gtk_widget_show(vbox);
label = gtk_label_new(children->action);
gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
gtk_widget_show(label);
scrolledwin = gtk_scrolled_window_new(NULL, NULL);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
GTK_POLICY_NEVER, GTK_POLICY_ALWAYS);
gtk_box_pack_start(GTK_BOX(vbox), scrolledwin, TRUE, TRUE, 0);
gtk_widget_set_usize(scrolledwin, 480, 200);
gtk_widget_hide(scrolledwin);
text = gtk_text_new(gtk_scrolled_window_get_hadjustment
(GTK_SCROLLED_WINDOW(scrolledwin)),
gtk_scrolled_window_get_vadjustment
(GTK_SCROLLED_WINDOW(scrolledwin)));
gtk_text_set_editable(GTK_TEXT(text), FALSE);
gtk_container_add(GTK_CONTAINER(scrolledwin), text);
gtk_widget_show(text);
if (children->open_in) {
input_hbox = gtk_hbox_new(FALSE, 8);
gtk_widget_show(input_hbox);
entry = gtk_entry_new();
gtk_widget_set_usize(entry, 320, -1);
gtk_signal_connect(GTK_OBJECT(entry), "activate",
GTK_SIGNAL_FUNC(send_input), children);
gtk_box_pack_start(GTK_BOX(input_hbox), entry, TRUE, TRUE, 0);
if (children->action_type & ACTION_USER_HIDDEN_IN)
gtk_entry_set_visibility(GTK_ENTRY(entry), FALSE);
gtk_widget_show(entry);
send_button = gtk_button_new_with_label(_(" Send "));
gtk_signal_connect(GTK_OBJECT(send_button), "clicked",
GTK_SIGNAL_FUNC(send_input), children);
gtk_box_pack_start(GTK_BOX(input_hbox), send_button, FALSE,
FALSE, 0);
gtk_widget_show(send_button);
gtk_box_pack_start(GTK_BOX(vbox), input_hbox, FALSE, FALSE, 0);
gtk_widget_grab_focus(entry);
}
if (children->initial_nb > 1) {
progress_bar = gtk_progress_bar_new();
gtk_progress_bar_set_bar_style(GTK_PROGRESS_BAR(progress_bar),
GTK_PROGRESS_CONTINUOUS);
gtk_progress_bar_set_orientation(GTK_PROGRESS_BAR(progress_bar),
GTK_PROGRESS_LEFT_TO_RIGHT);
gtk_progress_set_activity_mode(GTK_PROGRESS(progress_bar),
FALSE);
gtk_progress_set_format_string(GTK_PROGRESS(progress_bar),
_("Completed %v/%u"));
gtk_progress_set_show_text(GTK_PROGRESS(progress_bar), TRUE);
gtk_progress_configure(GTK_PROGRESS(progress_bar),
children->initial_nb -children->nb,
0.0, children->initial_nb);
gtk_box_pack_start(GTK_BOX(vbox), progress_bar, TRUE, TRUE, 0);
gtk_widget_show(progress_bar);
}
gtkut_button_set_create(&hbox, &abort_button, _("Abort"),
&close_button, _("Close"), NULL, NULL);
gtk_signal_connect(GTK_OBJECT(abort_button), "clicked",
GTK_SIGNAL_FUNC(kill_children_cb), children);
gtk_signal_connect(GTK_OBJECT(close_button), "clicked",
GTK_SIGNAL_FUNC(hide_io_dialog_cb), children);
gtk_widget_show(hbox);
if (children->nb)
gtk_widget_set_sensitive(close_button, FALSE);
gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->action_area), hbox);
children->dialog = dialog;
children->scrolledwin = scrolledwin;
children->text = text;
children->input_hbox = children->open_in ? input_hbox : NULL;
children->input_entry = children->open_in ? entry : NULL;
children->progress_bar = progress_bar;
children->abort_btn = abort_button;
children->close_btn = close_button;
gtk_widget_show(dialog);
}
static void catch_status(gpointer data, gint source, GdkInputCondition cond)
{
ChildInfo *child_info = (ChildInfo *)data;
gchar buf;
gint c;
gdk_input_remove(child_info->tag_status);
c = read(source, &buf, 1);
debug_print("Child returned %c\n", buf);
waitpid(-child_info->pid, NULL, 0);
childinfo_close_pipes(child_info);
child_info->pid = 0;
wait_for_children(child_info->children);
}
static void catch_input(gpointer data, gint source, GdkInputCondition cond)
{
Children *children = (Children *)data;
ChildInfo *child_info = (ChildInfo *)children->list->data;
gchar *input;
gint c, count, len;
debug_print("Sending input to grand child.\n");
if (!(cond && GDK_INPUT_WRITE))
return;
gdk_input_remove(child_info->tag_in);
child_info->tag_in = -1;
input = gtk_editable_get_chars(GTK_EDITABLE(children->input_entry),
0, -1);
len = strlen(input);
count = 0;
do {
c = write(child_info->chld_in, input + count, len - count);
if (c >= 0)
count += c;
} while (c >= 0 && count < len);
if (c >= 0)
write(child_info->chld_in, "\n", 2);
g_free(input);
gtk_entry_set_text(GTK_ENTRY(children->input_entry), "");
gtk_widget_set_sensitive(children->input_hbox, TRUE);
close(child_info->chld_in);
child_info->chld_in = -1;
debug_print("Input to grand child sent.\n");
}
static void catch_output(gpointer data, gint source, GdkInputCondition cond)
{
ChildInfo *child_info = (ChildInfo *)data;
gint c, i;
gchar buf[BUFFSIZE];
debug_print("Catching grand child's output.\n");
if (child_info->children->action_type &
(ACTION_PIPE_OUT | ACTION_INSERT)
&& source == child_info->chld_out) {
gboolean is_selection = FALSE;
GtkWidget *text = child_info->children->msg_text;
if (GTK_EDITABLE(text)->has_selection)
is_selection = TRUE;
gtk_stext_freeze(GTK_STEXT(text));
while (TRUE) {
c = read(source, buf, sizeof(buf) - 1);
if (c == 0)
break;
gtk_stext_insert(GTK_STEXT(text),
child_info->children->msgfont,
NULL, NULL, buf, c);
}
if (is_selection) {
/* Using the select_region draws things. Should not.
* so we just change selection position and
* defere drawing when thawing. Hack?
*/
GTK_EDITABLE(text)->selection_end_pos =
gtk_stext_get_point(GTK_STEXT(text));
}
gtk_stext_thaw(GTK_STEXT(text));
} else {
c = read(source, buf, sizeof(buf) - 1);
for (i = 0; i < c; i++)
g_string_append_c(child_info->output, buf[i]);
if (c > 0)
child_info->new_out = TRUE;
}
wait_for_children(child_info->children);
}
static gchar *get_user_string(const gchar *action, ActionType type)
{
gchar *message;
gchar *user_str = NULL;
switch (type) {
case ACTION_USER_HIDDEN_STR:
message = g_strdup_printf
(_("Enter the argument for the following action:\n"
"(`%%h' will be replaced with the argument)\n"
" %s"),
action);
user_str = input_dialog_with_invisible
(_("Action's hidden user argument"), message, NULL);
break;
case ACTION_USER_STR:
message = g_strdup_printf
(_("Enter the argument for the following action:\n"
"(`%%u' will be replaced with the argument)\n"
" %s"),
action);
user_str = input_dialog
(_("Action's user argument"), message, NULL);
break;
default:
g_warning("Unsupported action type %d", type);
}
return user_str;
}
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