ism/extras/wayland_immodule/wayland_module.c

   1 /*
   2  * Copyright © 2012, 2013 Intel Corporation
   3  *
   4  * Permission to use, copy, modify, distribute, and sell this software and
   5  * its documentation for any purpose is hereby granted without fee, provided
   6  * that the above copyright notice appear in all copies and that both that
   7  * copyright notice and this permission notice appear in supporting
   8  * documentation, and that the name of the copyright holders not be used in
   9  * advertising or publicity pertaining to distribution of the software
  10  * without specific, written prior permission.  The copyright holders make
  11  * no representations about the suitability of this software for any
  12  * purpose.  It is provided "as is" without express or implied warranty.
  13  *
  14  * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
  15  * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
  16  * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
  17  * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
  18  * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
  19  * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
  20  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  21  */
  22
  23 #include <Ecore.h>
  24 #include <Ecore_IMF.h>
  25 #include <Ecore_Wayland.h>
  26 #include <stdio.h>
  27
  28 #include "wayland_imcontext.h"
  29 #include <text-client-protocol.h>
  30
  31 int _ecore_imf_wayland_log_dom = -1;
  32
  33 static const Ecore_IMF_Context_Info wayland_im_info =
  34 {
  35     "wayland",
  36     "Wayland",
  37     "*",
  38     NULL,
  39     0
  40 };
  41
  42 static Ecore_IMF_Context_Class wayland_imf_class =
  43 {
  44     wayland_im_context_add,                    /* add */
  45     wayland_im_context_del,                    /* del */
  46     wayland_im_context_client_window_set,      /* client_window_set */
  47     wayland_im_context_client_canvas_set,      /* client_canvas_set */
  48     wayland_im_context_show,                   /* show */
  49     wayland_im_context_hide,                   /* hide */
  50     wayland_im_context_preedit_string_get,     /* get_preedit_string */
  51     wayland_im_context_focus_in,               /* focus_in */
  52     wayland_im_context_focus_out,              /* focus_out */
  53     wayland_im_context_reset,                  /* reset */
  54     wayland_im_context_cursor_position_set,    /* cursor_position_set */
  55     wayland_im_context_use_preedit_set,        /* use_preedit_set */
  56     wayland_im_context_input_mode_set,         /* input_mode_set */
  57     wayland_im_context_filter_event,           /* filter_event */
  58     wayland_im_context_preedit_string_with_attributes_get, /* preedit_string_with_attribute_get */
  59     wayland_im_context_prediction_allow_set,   /* prediction_allow_set */
  60     wayland_im_context_autocapital_type_set,   /* autocapital_type_set */
  61     NULL,                                      /* control panel show */
  62     NULL,                                      /* control panel hide */
  63     wayland_im_context_input_panel_layout_set, /* input_panel_layout_set */
  64     wayland_im_context_input_panel_layout_get, /* input_panel_layout_get */
  65     wayland_im_context_input_panel_language_set,/* input_panel_language_set, */
  66     NULL,                                      /* input_panel_language_get, */
  67     wayland_im_context_cursor_location_set,    /* cursor_location_set */
  68     wayland_im_context_input_panel_imdata_set, /* input_panel_imdata_set */
  69     wayland_im_context_input_panel_imdata_get, /* input_panel_imdata_get */
  70     wayland_im_context_input_panel_return_key_type_set, /* input_panel_return_key_type_set */
  71     wayland_im_context_input_panel_return_key_disabled_set, /* input_panel_return_key_disabled_set */
  72     NULL,                                      /* input_panel_caps_lock_mode_set */
  73     wayland_im_context_input_panel_geometry_get, /* input_panel_geometry_get */
  74     wayland_im_context_input_panel_state_get,  /* input_panel_state_get */
  75     NULL,                                      /* input_panel_event_callback_add */
  76     NULL,                                      /* input_panel_event_callback_del */
  77     wayland_im_context_input_panel_language_locale_get, /* input_panel_language_locale_get */
  78     NULL,                                      /* candidate_window_geometry_get */
  79     wayland_im_context_input_hint_set,         /* input_hint_set */
  80     wayland_im_context_bidi_direction_set      /* bidi_direction_set */
  81 };
  82
  83 static struct wl_text_input_manager *text_input_manager = NULL;
  84
  85 static Ecore_IMF_Context *
  86 im_module_exit(void)
  87 {
  88     return NULL;
  89 }
  90
  91 static Ecore_IMF_Context *
  92 im_module_create()
  93 {
  94    Ecore_IMF_Context *ctx = NULL;
  95    WaylandIMContext *ctxd = NULL;
  96
  97    if (!text_input_manager) {
  98        Ecore_Wl_Global *global;
  99        struct wl_registry *registry;
 100        Eina_Inlist *globals;
 101
 102        if (!(registry = ecore_wl_registry_get()))
 103            return NULL;
 104
 105        if (!(globals = ecore_wl_globals_get()))
 106            return NULL;
 107
 108        EINA_INLIST_FOREACH(globals, global)
 109        {
 110            if (!strcmp(global->interface, "wl_text_input_manager")) {
 111                text_input_manager =
 112                    wl_registry_bind(registry, global->id,
 113                            &wl_text_input_manager_interface, 1);
 114                EINA_LOG_DOM_INFO(_ecore_imf_wayland_log_dom,
 115                        "bound wl_text_input_manager interface");
 116                break;
 117            }
 118        }
 119
 120        if (!text_input_manager)
 121            return NULL;
 122    }
 123
 124    ctxd = wayland_im_context_new(text_input_manager);
 125    if (!ctxd) return NULL;
 126
 127    ctx = ecore_imf_context_new(&wayland_imf_class);
 128    if (!ctx) {
 129        free(ctxd);
 130        return NULL;
 131    }
 132
 133    ecore_imf_context_data_set(ctx, ctxd);
 134
 135    return ctx;
 136 }
 137
 138 static Eina_Bool
 139 im_module_init(void)
 140 {
 141    const char *s;
 142
 143    _ecore_imf_wayland_log_dom =
 144      eina_log_domain_register("ecore_imf_wayland", EINA_COLOR_YELLOW);
 145
 146    if (!getenv("WAYLAND_DISPLAY")) return EINA_FALSE;
 147    if ((s = getenv("ELM_DISPLAY"))) {
 148        if (strcmp(s, "wl")) return EINA_FALSE;
 149    }
 150
 151    if (!ecore_wl_init(NULL))
 152        return EINA_FALSE;
 153
 154    ecore_imf_module_register(&wayland_im_info, im_module_create,
 155                              im_module_exit);
 156
 157    // TIZEN_ONLY(20150708): Support back key
 158    register_key_handler();
 159    //
 160    EINA_LOG_DOM_INFO(_ecore_imf_wayland_log_dom, "im module initalized");
 161
 162    return EINA_TRUE;
 163 }
 164
 165 static void
 166 im_module_shutdown(void)
 167 {
 168    // TIZEN_ONLY(20150708): Support back key
 169    unregister_key_handler();
 170    //
 171    EINA_LOG_DOM_INFO(_ecore_imf_wayland_log_dom, "im module shutdown");
 172    ecore_wl_shutdown();
 173 }
 174
 175 EINA_MODULE_INIT(im_module_init);
 176 EINA_MODULE_SHUTDOWN(im_module_shutdown);