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path: root/src/bin/keyin.c
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#include <Elementary.h>
#include <Ecore_Input.h>
#include <Ecore_IMF.h>
#include <Ecore_IMF_Evas.h>
#include "private.h"
#include "termpty.h"
#include "termio.h"
#include "termcmd.h"
#include "keyin.h"
#include "win.h"

typedef struct _Tty_Key Tty_Key;
typedef struct _Key_Values Key_Values;

struct _s {
    char *s;
    ssize_t len;
};

struct _Key_Values {
    struct _s plain;
    struct _s alt;
    struct _s ctrl;
    struct _s ctrl_alt;
    struct _s shift;
    struct _s shift_alt;
    struct _s shift_ctrl;
    struct _s shift_ctrl_alt;
};
struct _Tty_Key
{
    char *key;
    int key_len;
    Key_Values default_mode;
    Key_Values cursor;
};

typedef struct _Key_Binding Key_Binding;

struct _Key_Binding
{
   uint16_t ctrl  : 1;
   uint16_t alt   : 1;
   uint16_t shift : 1;
   uint16_t win   : 1;
   uint16_t meta  : 1;
   uint16_t hyper : 1;

   uint16_t len;

   Key_Binding_Cb cb;
   const char *keyname;
};

static Eina_Hash *_key_bindings = NULL;

/* {{{ Keys to TTY */

static Eina_Bool
_key_try(Termpty *ty, const Tty_Key *map, int len, const Evas_Event_Key_Down *ev,
         int alt, int shift, int ctrl)
{
   int i, inlen;

   inlen = strlen(ev->key);
   for (i = 0; i < len; i++)
     {
        if ((inlen == map[i].key_len) && (!memcmp(ev->key, map[i].key, inlen)))
          {
             const struct _s *s = NULL;
             const Key_Values *kv;

             if (!ty->termstate.appcursor) kv = &map[i].default_mode;
             else                          kv = &map[i].cursor;
             if (!alt && !ctrl && !shift)     s = &kv->plain;
             else if (alt && !ctrl && !shift) s = &kv->alt;
             else if (!alt && ctrl && !shift) s = &kv->ctrl;
             else if (alt && ctrl && !shift)  s = &kv->ctrl_alt;
             else if (!alt && !ctrl && shift) s = &kv->shift;
             else if (alt && !ctrl && shift)  s = &kv->shift_alt;
             else if (!alt && ctrl && shift)  s = &kv->shift_ctrl;
             else if (alt && ctrl && shift)   s = &kv->shift_ctrl_alt;

             if (s) termpty_write(ty, s->s, s->len);
             return EINA_TRUE;
          }
     }
   return EINA_FALSE;
}

/* }}} */
/* {{{ Handle keys */

void
keyin_compose_seq_reset(Keys_Handler *khdl)
{
   char *str;

   EINA_LIST_FREE(khdl->seq, str) eina_stringshare_del(str);
   khdl->composing = EINA_FALSE;
}

#include "tty_keys.h"

void
keyin_handle_key_to_pty(Termpty *ty, const Evas_Event_Key_Down *ev,
                        const int alt, const int shift, const int ctrl)
{
   if (!ev->key)
     return;

   if (!strcmp(ev->key, "BackSpace"))
     {
        if (alt)
          termpty_write(ty, "\033", 1);
        if (ty->termstate.send_bs)
          {
             termpty_write(ty, "\b", 1);
          }
        else
          {
             Config *cfg = termpty_config_get(ty);

             if (cfg->erase_is_del && !ctrl)
               {
                  termpty_write(ty, "\177", sizeof("\177") - 1);
               }
             else
               {
                  termpty_write(ty, "\b", sizeof("\b") - 1);
               }
          }
        return;
     }
   if (!strcmp(ev->key, "Return"))
     {
        if (alt)
          termpty_write(ty, "\033", 1);
        if (ty->termstate.crlf)
          {
             termpty_write(ty, "\r\n", sizeof("\r\n") - 1);
             return;
          }
        else
          {
             termpty_write(ty, "\r", sizeof("\r") - 1);
             return;
          }
     }
   if (ev->key[0] == 'K' && (ev->key[1] == 'k' || ev->key[1] == 'P'))
     {
        if (!evas_key_lock_is_set(ev->locks, "Num_Lock"))
          {
             if (ty->termstate.alt_kp)
               {
                  if (_key_try(ty, tty_keys_kp_app,
                               sizeof(tty_keys_kp_app)/sizeof(tty_keys_kp_app[0]),
                               ev, alt, shift, ctrl))
                    return;
               }
             else
               {
                  if (_key_try(ty, tty_keys_kp_plain,
                               sizeof(tty_keys_kp_plain)/sizeof(tty_keys_kp_plain[0]),
                               ev, alt, shift, ctrl))
                    return;
               }
          }
     }
   else
     if (_key_try(ty, tty_keys, sizeof(tty_keys)/sizeof(tty_keys[0]), ev,
                  alt, shift, ctrl))
       return;

   if (ctrl)
     {
#define CTRL_NUM(Num, Code)                        \
        if (!strcmp(ev->key, Num))                 \
          {                                        \
             if (alt)                              \
               termpty_write(ty, "\033"Code, 2);   \
             else                                  \
               termpty_write(ty, Code, 1);         \
             return;                               \
          }
        CTRL_NUM("2", "\0")
        CTRL_NUM("3", "\x1b")
        CTRL_NUM("4", "\x1c")
        CTRL_NUM("5", "\x1d")
        CTRL_NUM("6", "\x1e")
        CTRL_NUM("7", "\x1f")
        CTRL_NUM("8", "\x7f")

#undef CTRL_NUM
     }

   if (ev->string)
     {
        if (alt)
          termpty_write(ty, "\033", 1);
        termpty_write(ty, ev->string, strlen(ev->string));
     }
}

static Key_Binding *
key_binding_lookup(const char *keyname,
                   Eina_Bool ctrl, Eina_Bool alt, Eina_Bool shift,
                   Eina_Bool win, Eina_Bool meta, Eina_Bool hyper)
{
   Key_Binding *kb;
   size_t len = strlen(keyname);

   if (len > UINT16_MAX) return NULL;

   kb = alloca(sizeof(Key_Binding));
   if (!kb) return NULL;
   kb->ctrl = ctrl;
   kb->alt = alt;
   kb->shift = shift;
   kb->win = win;
   kb->meta = meta;
   kb->hyper = hyper;
   kb->len = len;
   kb->keyname = alloca(sizeof(char) * len + 1);
   strncpy((char *)kb->keyname, keyname, kb->len + 1);

   return eina_hash_find(_key_bindings, kb);
}

Eina_Bool
keyin_handle_key_binding(Evas_Object *termio, const Evas_Event_Key_Down *ev,
                         Eina_Bool ctrl, Eina_Bool alt, Eina_Bool shift,
                         Eina_Bool win, Eina_Bool meta, Eina_Bool hyper)
{

   Key_Binding *kb;
   kb = key_binding_lookup(ev->keyname, ctrl, alt, shift, win, meta, hyper);
   if (kb)
     {
        if (kb->cb(termio))
          {
             return EINA_TRUE;
          }
     }
   return EINA_FALSE;
}


Eina_Bool
key_is_modifier(const char *key)
{
#define STATIC_STR_EQUAL(STR) (!strncmp(key, STR, strlen(STR)))
   if ((key != NULL) && (
       STATIC_STR_EQUAL("Shift") ||
       STATIC_STR_EQUAL("Control") ||
       STATIC_STR_EQUAL("Alt") ||
       STATIC_STR_EQUAL("AltGr") ||
       STATIC_STR_EQUAL("Meta") ||
       STATIC_STR_EQUAL("Super") ||
       STATIC_STR_EQUAL("Hyper") ||
       STATIC_STR_EQUAL("Scroll_Lock") ||
       STATIC_STR_EQUAL("Num_Lock") ||
       STATIC_STR_EQUAL("ISO_Level3_Shift") ||
       STATIC_STR_EQUAL("Caps_Lock")))
     return EINA_TRUE;
#undef STATIC_STR_EQUAL
   return EINA_FALSE;
}

void
keyin_handle_up(Keys_Handler *khdl, Evas_Event_Key_Up *ev)
{
   khdl->last_keyup = ev->timestamp;
   if (khdl->imf)
     {
        Ecore_IMF_Event_Key_Up imf_ev;
        ecore_imf_evas_event_key_up_wrap(ev, &imf_ev);
        ecore_imf_context_filter_event
            (khdl->imf, ECORE_IMF_EVENT_KEY_UP, (Ecore_IMF_Event *)&imf_ev);
     }
}

/* }}} */
/* {{{ Callbacks */
#define RETURN_FALSE_ON_GROUP_ACTION_ALREADY_HANDLED \
   Win *wn;                                          \
   Term *term = termio_term_get(termio_obj);         \
   if (!term)                                        \
     return EINA_FALSE;                              \
   wn = term_win_get(term);                          \
   if (!wn)                                          \
     return EINA_FALSE;                              \
   if (win_is_group_action_handled(wn))              \
     return EINA_FALSE;                              \

#define RETURN_FALSE_ON_GROUP_INPUT                  \
   Win *wn;                                          \
   Term *term = termio_term_get(termio_obj);         \
   if (!term)                                        \
     return EINA_FALSE;                              \
   wn = term_win_get(term);                          \
   if (!wn)                                          \
     return EINA_FALSE;                              \
   if (win_is_group_input(wn))                       \
     return EINA_FALSE;                              \

static Eina_Bool
cb_all_group(Evas_Object *termio_obj)
{
   RETURN_FALSE_ON_GROUP_ACTION_ALREADY_HANDLED;

   win_toggle_all_group(wn);

   ERR("ALL GROUP");
   return EINA_TRUE;
}

static Eina_Bool
cb_visible_group(Evas_Object *termio_obj)
{
   RETURN_FALSE_ON_GROUP_ACTION_ALREADY_HANDLED;

   win_toggle_visible_group(wn);

   ERR("VISIBLE GROUP");
   return EINA_TRUE;
}

static Eina_Bool
cb_term_prev(Evas_Object *termio_obj)
{
   RETURN_FALSE_ON_GROUP_INPUT;

   evas_object_smart_callback_call(termio_obj, "prev", NULL);
   return EINA_TRUE;
}

static Eina_Bool
cb_term_next(Evas_Object *termio_obj)
{
   RETURN_FALSE_ON_GROUP_INPUT;

   evas_object_smart_callback_call(termio_obj, "next", NULL);
   return EINA_TRUE;
}

static Eina_Bool
cb_term_up(Evas_Object *termio_obj)
{
   RETURN_FALSE_ON_GROUP_INPUT;

   term_up(term);
   return EINA_TRUE;
}

static Eina_Bool
cb_term_down(Evas_Object *termio_obj)
{
   RETURN_FALSE_ON_GROUP_INPUT;

   term_down(term);
   return EINA_TRUE;
}

static Eina_Bool
cb_term_left(Evas_Object *termio_obj)
{
   RETURN_FALSE_ON_GROUP_INPUT;

   term_left(term);
   return EINA_TRUE;
}

static Eina_Bool
cb_term_right(Evas_Object *termio_obj)
{
   RETURN_FALSE_ON_GROUP_INPUT;

   term_right(term);
   return EINA_TRUE;
}

static Eina_Bool
cb_term_new(Evas_Object *termio_obj)
{
   RETURN_FALSE_ON_GROUP_ACTION_ALREADY_HANDLED;

   char path[PATH_MAX], cwd[PATH_MAX], *cmd;
   const char *template = "%s -d %s";
   int length;

#if (EFL_VERSION_MAJOR > 1) || (EFL_VERSION_MINOR >= 16)
   eina_file_path_join(path, sizeof(path), elm_app_bin_dir_get(),
                       "terminology");
#else
   snprintf(path, sizeof(path), "%s/%s", elm_app_bin_dir_get(),
            "terminology");
#endif
   if (termio_cwd_get(termio_obj, cwd, sizeof(cwd)))
     {
        length = (strlen(path) + strlen(cwd) + strlen(template) - 3);
        cmd = malloc(sizeof(char) * length);
        snprintf(cmd, length, template, path, cwd);
        ecore_exe_run(cmd, NULL);
        free(cmd);
     }
   else
     {
        ecore_exe_run(path, NULL);
     }

   return EINA_TRUE;
}

static Eina_Bool
cb_tab_set_title(Evas_Object *termio_obj)
{
   Term *term = termio_term_get(termio_obj);
   if (!term)
     return EINA_FALSE;
   term_set_title(term);
   return EINA_TRUE;
}

#define CB_TAB(N)                              \
static Eina_Bool                               \
cb_tab_##N(Evas_Object *termio_obj)            \
{                                              \
   RETURN_FALSE_ON_GROUP_INPUT;                \
   int n = (N == 0) ? 9 : N - 1;               \
   return term_tab_go(term, n);                \
}

CB_TAB(0)
CB_TAB(1)
CB_TAB(2)
CB_TAB(3)
CB_TAB(4)
CB_TAB(5)
CB_TAB(6)
CB_TAB(7)
CB_TAB(8)
CB_TAB(9)
#undef CB_TAB

static Eina_Bool
cb_cmd_box(Evas_Object *termio_obj)
{
   RETURN_FALSE_ON_GROUP_ACTION_ALREADY_HANDLED;
   evas_object_smart_callback_call(termio_obj, "cmdbox", NULL);
   return EINA_TRUE;
}

static Eina_Bool
cb_split_h(Evas_Object *termio_obj)
{
   RETURN_FALSE_ON_GROUP_INPUT;
   evas_object_smart_callback_call(termio_obj, "split,h", NULL);
   return EINA_TRUE;
}

static Eina_Bool
cb_split_v(Evas_Object *termio_obj)
{
   RETURN_FALSE_ON_GROUP_INPUT;
   evas_object_smart_callback_call(termio_obj, "split,v", NULL);
   return EINA_TRUE;
}

static Eina_Bool
cb_tab_new(Evas_Object *termio_obj)
{
   RETURN_FALSE_ON_GROUP_INPUT;
   evas_object_smart_callback_call(termio_obj, "new", NULL);
   return EINA_TRUE;
}

static Eina_Bool
cb_close(Evas_Object *termio_obj)
{
   RETURN_FALSE_ON_GROUP_INPUT;
   evas_object_smart_callback_call(termio_obj, "close", NULL);
   return EINA_TRUE;
}

static Eina_Bool
cb_tab_select(Evas_Object *termio_obj)
{
   RETURN_FALSE_ON_GROUP_INPUT;
   evas_object_smart_callback_call(termio_obj, "select", NULL);
   return EINA_TRUE;
}

static Eina_Bool
cb_copy_clipboard(Evas_Object *termio_obj)
{
   Termpty *ty = termio_pty_get(termio_obj);

   if (!ty || !ty->selection.is_active)
     return EINA_FALSE;
   termio_take_selection(termio_obj, ELM_SEL_TYPE_CLIPBOARD);
   return EINA_TRUE;
}

static Eina_Bool
cb_paste_clipboard(Evas_Object *termio_obj)
{
   termio_paste_selection(termio_obj, ELM_SEL_TYPE_CLIPBOARD);
   return EINA_TRUE;
}

static Eina_Bool
cb_paste_primary(Evas_Object *termio_obj)
{
   termio_paste_selection(termio_obj, ELM_SEL_TYPE_PRIMARY);
   return EINA_TRUE;
}

static Eina_Bool
cb_copy_primary(Evas_Object *termio_obj)
{
   Termpty *ty = termio_pty_get(termio_obj);

   if (!ty || !ty->selection.is_active)
     return EINA_FALSE;
   termio_take_selection(termio_obj, ELM_SEL_TYPE_PRIMARY);
   return EINA_TRUE;
}

static Eina_Bool
cb_miniview(Evas_Object *termio_obj)
{
   term_miniview_toggle(termio_term_get(termio_obj));
   return EINA_TRUE;
}

static Eina_Bool
cb_win_fullscreen(Evas_Object *termio_obj)
{
   RETURN_FALSE_ON_GROUP_ACTION_ALREADY_HANDLED;
   Evas_Object *win = termio_win_get(termio_obj);
   Eina_Bool fullscreen;

   if (!win)
     return EINA_FALSE;
   fullscreen = elm_win_fullscreen_get(win);
   elm_win_fullscreen_set(win, !fullscreen);
   return EINA_TRUE;
}

static Eina_Bool
cb_increase_font_size(Evas_Object *termio_obj)
{
   termcmd_do(termio_obj, NULL, NULL, "f+");
   return EINA_TRUE;
}

static Eina_Bool
cb_decrease_font_size(Evas_Object *termio_obj)
{
   termcmd_do(termio_obj, NULL, NULL, "f-");
   return EINA_TRUE;
}

static Eina_Bool
cb_reset_font_size(Evas_Object *termio_obj)
{
   termcmd_do(termio_obj, NULL, NULL, "f");
   return EINA_TRUE;
}

static Eina_Bool
cb_big_font_size(Evas_Object *termio_obj)
{
   termcmd_do(termio_obj, NULL, NULL, "fb");
   return EINA_TRUE;
}

static Eina_Bool
cb_scroll_up_page(Evas_Object *termio_obj)
{
   Termpty *ty = termio_pty_get(termio_obj);

   if (!ty || ty->altbuf)
     return EINA_FALSE;

   termio_scroll_delta(termio_obj, 1, 1);
   return EINA_TRUE;
}

static Eina_Bool
cb_scroll_down_page(Evas_Object *termio_obj)
{
   Termpty *ty = termio_pty_get(termio_obj);

   if (!ty || ty->altbuf)
     return EINA_FALSE;

   termio_scroll_delta(termio_obj, -1, 1);
   return EINA_TRUE;
}

static Eina_Bool
cb_scroll_up_line(Evas_Object *termio_obj)
{
   Termpty *ty = termio_pty_get(termio_obj);

   if (!ty || ty->altbuf)
     return EINA_FALSE;

   termio_scroll_delta(termio_obj, 1, 0);
   return EINA_TRUE;
}

static Eina_Bool
cb_scroll_down_line(Evas_Object *termio_obj)
{
   Termpty *ty = termio_pty_get(termio_obj);

   if (!ty || ty->altbuf)
     return EINA_FALSE;

   termio_scroll_delta(termio_obj, -1, 0);
   return EINA_TRUE;
}

static Eina_Bool
cb_scroll_top_backlog(Evas_Object *termio_obj)
{
   Termpty *ty = termio_pty_get(termio_obj);

   if (!ty || ty->altbuf)
     return EINA_FALSE;

   termio_scroll_top_backlog(termio_obj);
   return EINA_TRUE;
}

static Eina_Bool
cb_scroll_reset(Evas_Object *termio_obj)
{
   Termpty *ty = termio_pty_get(termio_obj);

   if (!ty || ty->altbuf)
     return EINA_FALSE;

   termio_scroll_set(termio_obj, 0);
   return EINA_TRUE;
}


static Shortcut_Action _actions[] =
{
     {"group", gettext_noop("Scrolling"), NULL},
     {"one_page_up", gettext_noop("Scroll one page up"), cb_scroll_up_page},
     {"one_page_down", gettext_noop("Scroll one page down"), cb_scroll_down_page},
     {"one_line_up", gettext_noop("Scroll one line up"), cb_scroll_up_line},
     {"one_line_down", gettext_noop("Scroll one line down"), cb_scroll_down_line},
     {"top_backlog", gettext_noop("Go to the top of the backlog"), cb_scroll_top_backlog},
     {"reset_scroll", gettext_noop("Reset scroll"), cb_scroll_reset},

     {"group", gettext_noop("Copy/Paste"), NULL},
     {"copy_primary", gettext_noop("Copy selection to Primary buffer"), cb_copy_primary},
     {"copy_clipboard", gettext_noop("Copy selection to Clipboard buffer"), cb_copy_clipboard},
     {"paste_primary", gettext_noop("Paste Primary buffer (highlight)"), cb_paste_primary},
     {"paste_clipboard", gettext_noop("Paste Clipboard buffer (ctrl+c/v)"), cb_paste_clipboard},

     {"group", gettext_noop("Splits/Tabs"), NULL},
     {"term_prev", gettext_noop("Focus the previous terminal"), cb_term_prev},
     {"term_next", gettext_noop("Focus the next terminal"), cb_term_next},
     {"term_up", gettext_noop("Focus the terminal above"), cb_term_up},
     {"term_down", gettext_noop("Focus the terminal below"), cb_term_down},
     {"term_left", gettext_noop("Focus the terminal on the left"), cb_term_left},
     {"term_right", gettext_noop("Focus the terminal on the right"), cb_term_right},
     {"split_h", gettext_noop("Split horizontally (new below)"), cb_split_h},
     {"split_v", gettext_noop("Split vertically (new on right)"), cb_split_v},
     {"tab_new", gettext_noop("Create a new \"tab\""), cb_tab_new},
     {"exited", gettext_noop("Close the focused terminal"), cb_close},
     {"tab_select", gettext_noop("Bring up \"tab\" switcher"), cb_tab_select},
     {"tab_1", gettext_noop("Switch to terminal tab 1"), cb_tab_1},
     {"tab_2", gettext_noop("Switch to terminal tab 2"), cb_tab_2},
     {"tab_3", gettext_noop("Switch to terminal tab 3"), cb_tab_3},
     {"tab_4", gettext_noop("Switch to terminal tab 4"), cb_tab_4},
     {"tab_5", gettext_noop("Switch to terminal tab 5"), cb_tab_5},
     {"tab_6", gettext_noop("Switch to terminal tab 6"), cb_tab_6},
     {"tab_7", gettext_noop("Switch to terminal tab 7"), cb_tab_7},
     {"tab_8", gettext_noop("Switch to terminal tab 8"), cb_tab_8},
     {"tab_9", gettext_noop("Switch to terminal tab 9"), cb_tab_9},
     {"tab_10", gettext_noop("Switch to terminal tab 10"), cb_tab_0},
     {"tab_title", gettext_noop("Change title"), cb_tab_set_title},
     {"visible_group", gettext_noop("Toggle whether input goes to all visible terminals"), cb_visible_group},
     {"all_group", gettext_noop("Toggle whether input goes to all visible terminals"), cb_all_group},


     {"group", gettext_noop("Font size"), NULL},
     {"increase_font_size", gettext_noop("Font size up 1"), cb_increase_font_size},
     {"decrease_font_size", gettext_noop("Font size down 1"), cb_decrease_font_size},
     {"big_font_size", gettext_noop("Display big font size"), cb_big_font_size},
     {"reset_font_size", gettext_noop("Reset font size"), cb_reset_font_size},

     {"group", gettext_noop("Actions"), NULL},
     {"term_new", gettext_noop("Open a new terminal window"), cb_term_new},
     {"win_fullscreen", gettext_noop("Toggle Fullscreen of the window"), cb_win_fullscreen},
     {"miniview", gettext_noop("Display the history miniview"), cb_miniview},
     {"cmd_box", gettext_noop("Display the command box"), cb_cmd_box},

     {NULL, NULL, NULL}
};

const Shortcut_Action *
shortcut_actions_get(void)
{
   return _actions;
}

/* }}} */
/* {{{ Key bindings */

static unsigned int
_key_binding_key_length(const void *_key EINA_UNUSED)
{
   return 0;
}

static int
_key_binding_key_cmp(const void *key1, int key1_length,
                     const void *key2, int key2_length)
{
   const Key_Binding *kb1 = key1,
                     *kb2 = key2;

   if (key1_length < key2_length)
     return -1;
   else if (key1_length > key2_length)
     return 1;
   else
     {
        unsigned int m1 = (kb1->hyper << 5) | (kb1->meta << 4) |
           (kb1->win << 3) | (kb1->ctrl << 2) | (kb1->alt << 1) | kb1->shift,
                     m2 = (kb2->hyper << 5) | (kb2->meta << 4) |
           (kb2->win << 3) | (kb2->ctrl << 2) | (kb2->alt << 1) | kb2->shift;
        if (m1 < m2)
          return -1;
        else if (m1 > m2)
          return 1;
        else
          return strncmp(kb1->keyname, kb2->keyname, kb1->len);
     }
}

static int
_key_binding_key_hash(const void *key, int key_length)
{
   const Key_Binding *kb = key;
   int hash;

   hash = eina_hash_djb2(key, key_length);
   hash &= 0x3ffffff;
   hash |= (kb->hyper << 31);
   hash |= (kb->meta << 30);
   hash |= (kb->win << 29);
   hash |= (kb->ctrl << 28);
   hash |= (kb->alt << 27);
   hash |= (kb->shift << 26);
   return hash;
}


static Key_Binding *
_key_binding_new(const char *keyname,
                 Eina_Bool ctrl, Eina_Bool alt, Eina_Bool shift, Eina_Bool win,
                 Eina_Bool meta, Eina_Bool hyper,
                 Key_Binding_Cb cb)
{
   Key_Binding *kb;
   size_t len = strlen(keyname);

   if (len > UINT16_MAX) return NULL;

   kb = malloc(sizeof(Key_Binding) + len + 1);
   if (!kb) return NULL;
   kb->ctrl = ctrl;
   kb->alt = alt;
   kb->shift = shift;
   kb->win = win;
   kb->meta = meta;
   kb->hyper = hyper;
   kb->len = len;
   kb->keyname = eina_stringshare_add(keyname);
   kb->cb = cb;

   return kb;
}

static void
_key_binding_free(void *data)
{
   Key_Binding *kb = data;
   if (!kb) return;
   eina_stringshare_del(kb->keyname);
   free(kb);
}

/* Returns -2 for duplicate key, 0 on success, -1 otherwise */
int
keyin_add_config(const Config_Keys *key)
{
   Shortcut_Action *action = _actions;

   while (action->action && strcmp(action->action, key->cb))
     action++;

   if (action->action)
     {
        Key_Binding *kb;
        kb = _key_binding_new(key->keyname, key->ctrl, key->alt,
                              key->shift, key->win, key->meta, key->hyper,
                              action->cb);
        if (!kb)
          return -1;
        if (eina_hash_find(_key_bindings, kb) ||
            (!eina_hash_direct_add(_key_bindings, kb, kb)))
          {
             _key_binding_free(kb);
             ERR("duplicate key '%s'", key->keyname);
             return -2;
          }
        return 0;
     }
   WRN("no callback for key binding doing '%s'", key->cb);
   return 0;
}

int
keyin_remove_config(const Config_Keys *key)
{
   Key_Binding *kb;

   kb = key_binding_lookup(key->keyname, key->ctrl, key->alt, key->shift,
                           key->win, key->meta, key->hyper);
   if (kb)
     eina_hash_del_by_key(_key_bindings, kb);
   return 0;
}

int
key_bindings_load(Config *config)
{
   Config_Keys *key;
   Eina_List *l, *l_next;

   if (!_key_bindings)
     {
#if HAVE_GETTEXT && ENABLE_NLS
        Shortcut_Action *action = _actions;

        while (action->action)
          {
             action->description = gettext(action->description);
             action++;
          }
#endif
        _key_bindings = eina_hash_new(_key_binding_key_length,
                                      _key_binding_key_cmp,
                                      _key_binding_key_hash,
                                      _key_binding_free,
                                      5);
        if (!_key_bindings) return -1;
     }
   else
     {
        eina_hash_free_buckets(_key_bindings);
     }

   EINA_LIST_FOREACH_SAFE(config->keys, l, l_next, key)
     {
        int res = keyin_add_config(key);
        if (res == -2)
          {
             config->keys = eina_list_remove_list(config->keys, l);
             eina_stringshare_del(key->keyname);
             eina_stringshare_del(key->cb);
             free(key);
          }
     }

   return 0;
}

void
key_bindings_shutdown(void)
{
   if (_key_bindings)
     eina_hash_free(_key_bindings);
   _key_bindings = NULL;
}

/* }}} */