erkeyb-client.c File Reference

#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <glib.h>
#include <gtk/gtk.h>
#include "config.h"
#include "erkeyb-client.h"
#include "logging.h"

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Data Structures
struct	_keyb_client
Defines
#define	HOST   "127.0.0.1"
#define	PORT   "60666"
Typedefs
typedef struct _keyb_client	keyb_client
Functions
int	erkeyb_client_init (void)
void	erkeyb_client_show (void)
void	erkeyb_client_hide (void)
void	erkeyb_client_term (void)
Variables
static keyb_client	g_keyb_client

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Define Documentation

#define HOST   "127.0.0.1"

Copyright (C) 2009 iRex Technologies B.V. All rights reserved.

Definition at line 55 of file erkeyb-client.c.

Referenced by erkeyb_client_init().

#define PORT   "60666"

Definition at line 56 of file erkeyb-client.c.

Referenced by erkeyb_client_init().

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Typedef Documentation

typedef struct _keyb_client keyb_client

Definition at line 62 of file erkeyb-client.c.

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Function Documentation

void erkeyb_client_hide

(

void

)

Definition at line 161 of file erkeyb-client.c.

References _keyb_client::chan, DBG_ENTRY, DBG_EXIT, erkeyb_client_init(), and _keyb_client::is_closed.

Referenced by cb_sys_set_keyboard(), ergtk_im_context_erkeyb_focus_out(), ergtk_im_context_erkeyb_set_client_window(), go_back_cb(), go_emall_cb(), go_forward_cb(), load_started_cb(), and on_process_exit().

{
    DBG_ENTRY;

    if ( g_keyb_client.is_closed == TRUE )
    {
        erkeyb_client_init();
    }

    g_io_channel_write_chars(g_keyb_client.chan, "keyboard-hide\n", -1, NULL, NULL );
    g_io_channel_flush(g_keyb_client.chan, NULL );

    DBG_EXIT;
}

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int erkeyb_client_init

(

void

)

Copyright (C) 2009 iRex Technologies B.V. All rights reserved.

Definition at line 87 of file erkeyb-client.c.

References _keyb_client::chan, DBG_ASSERT, DBG_ENTRY, DBG_EXIT, ERR, _keyb_client::hints, HOST, _keyb_client::is_closed, PORT, and _keyb_client::sfd.

Referenced by ergtk_im_context_erkeyb_init(), erkeyb_client_hide(), erkeyb_client_show(), and ipc_set_services().

{
    DBG_ENTRY;
    struct addrinfo *result, *rp;
    int s;

    /* Obtain address(es) matching host/port */

    memset(&g_keyb_client, 0x0, sizeof(keyb_client));
    memset(&g_keyb_client.hints, 0x0, sizeof(struct addrinfo));

    g_keyb_client.hints.ai_family = AF_INET;    /* Allow IPv4 */
    g_keyb_client.hints.ai_socktype = SOCK_DGRAM; /* Datagram socket */
    g_keyb_client.hints.ai_flags = 0;
    g_keyb_client.hints.ai_protocol = 0;          /* Any protocol */

    s = getaddrinfo(HOST, PORT, &g_keyb_client.hints, &result);

    if (s != 0) {
        ERR("getaddrinfo: %s\n", gai_strerror(s));
        return 1;
    }

    for (rp = result; rp != NULL; rp = rp->ai_next) {
        g_keyb_client.sfd = socket(rp->ai_family, rp->ai_socktype,
                rp->ai_protocol);
        if (g_keyb_client.sfd == -1)
            continue;

        if (connect(g_keyb_client.sfd, rp->ai_addr, rp->ai_addrlen) != -1)
            break;                  /* Success */

        close(g_keyb_client.sfd);
    }

    if (rp == NULL) {               /* No address succeeded */
        ERR("Could not connect\n");
        freeaddrinfo(result);           /* No longer needed */
        return 1;
    }

    freeaddrinfo(result);           /* No longer needed */


    /* we have a connection */
    /* so we can setup a GIOChannel */

    g_keyb_client.chan = NULL ;
    g_keyb_client.chan = g_io_channel_unix_new( g_keyb_client.sfd);
    DBG_ASSERT( g_keyb_client.chan != NULL  ) ;

    g_io_channel_set_encoding(g_keyb_client.chan, NULL, NULL  );

    g_keyb_client.is_closed = FALSE;

    DBG_EXIT;
    return 0;
}

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void erkeyb_client_show

(

void

)

Definition at line 146 of file erkeyb-client.c.

References _keyb_client::chan, DBG_ENTRY, DBG_EXIT, erkeyb_client_init(), and _keyb_client::is_closed.

Referenced by cb_sys_set_keyboard(), and ergtk_im_context_erkeyb_focus_in().

{
    DBG_ENTRY;
    
    if ( g_keyb_client.is_closed == TRUE )
    {
        erkeyb_client_init();
    }

    g_io_channel_write_chars(g_keyb_client.chan, "keyboard-show\n", -1, NULL, NULL );
    g_io_channel_flush(g_keyb_client.chan, NULL );

    DBG_EXIT;
}

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void erkeyb_client_term

(

void

)

Definition at line 176 of file erkeyb-client.c.

References _keyb_client::chan, DBG_ENTRY, DBG_EXIT, _keyb_client::is_closed, and _keyb_client::sfd.

Referenced by destroy_cb(), ergtk_im_context_erkeyb_finalize(), and ipc_unset_services().

{
    DBG_ENTRY;

    if ( g_keyb_client.is_closed == FALSE )
    {
        g_io_channel_write_chars(g_keyb_client.chan, "keyboard-hide\n", -1, NULL, NULL );
        g_io_channel_flush(g_keyb_client.chan, NULL );

        g_io_channel_shutdown(g_keyb_client.chan, FALSE, NULL);
        g_io_channel_unref(g_keyb_client.chan);
        g_keyb_client.chan = NULL ;
        close(g_keyb_client.sfd);
        g_keyb_client.sfd = -1;
        g_keyb_client.is_closed = TRUE;
    }

    DBG_EXIT;
}

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Variable Documentation

keyb_client g_keyb_client [static]

Definition at line 75 of file erkeyb-client.c.