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 #define EFL_BETA_API_SUPPORT
  26 #include <Ecore_Wl2.h>
  27 #include <stdio.h>
  28 #include <dlog.h>
  29
  30 #include "wayland_imcontext.h"
  31 #include <text-client-protocol.h>
  32
  33 #ifdef LOG_TAG
  34 # undef LOG_TAG
  35 #endif
  36 #define LOG_TAG "IMMODULE"
  37
  38 int _ecore_imf_wayland_log_dom = -1;
  39 static int ecore_wl2_init_count = 0;
  40 static Ecore_Wl2_Display *ewd = NULL;
  41
  42 static const Ecore_IMF_Context_Info wayland_im_info =
  43 {
  44     "wayland",
  45     "Wayland",
  46     "*",
  47     NULL,
  48     0
  49 };
  50
  51 static Ecore_IMF_Context_Class wayland_imf_class =
  52 {
  53     wayland_im_context_add,                    /* add */
  54     wayland_im_context_del,                    /* del */
  55     wayland_im_context_client_window_set,      /* client_window_set */
  56     wayland_im_context_client_canvas_set,      /* client_canvas_set */
  57     wayland_im_context_show,                   /* show */
  58     wayland_im_context_hide,                   /* hide */
  59     wayland_im_context_preedit_string_get,     /* get_preedit_string */
  60     wayland_im_context_focus_in,               /* focus_in */
  61     wayland_im_context_focus_out,              /* focus_out */
  62     wayland_im_context_reset,                  /* reset */
  63     wayland_im_context_cursor_position_set,    /* cursor_position_set */
  64     wayland_im_context_use_preedit_set,        /* use_preedit_set */
  65     wayland_im_context_input_mode_set,         /* input_mode_set */
  66     wayland_im_context_filter_event,           /* filter_event */
  67     wayland_im_context_preedit_string_with_attributes_get, /* preedit_string_with_attribute_get */
  68     wayland_im_context_prediction_allow_set,   /* prediction_allow_set */
  69     wayland_im_context_autocapital_type_set,   /* autocapital_type_set */
  70     NULL,                                      /* control panel show */
  71     NULL,                                      /* control panel hide */
  72     wayland_im_context_input_panel_layout_set, /* input_panel_layout_set */
  73     wayland_im_context_input_panel_layout_get, /* input_panel_layout_get */
  74     wayland_im_context_input_panel_language_set,/* input_panel_language_set, */
  75     NULL,                                      /* input_panel_language_get, */
  76     wayland_im_context_cursor_location_set,    /* cursor_location_set */
  77     wayland_im_context_input_panel_imdata_set, /* input_panel_imdata_set */
  78     wayland_im_context_input_panel_imdata_get, /* input_panel_imdata_get */
  79     wayland_im_context_input_panel_return_key_type_set, /* input_panel_return_key_type_set */
  80     wayland_im_context_input_panel_return_key_disabled_set, /* input_panel_return_key_disabled_set */
  81     NULL,                                      /* input_panel_caps_lock_mode_set */
  82     wayland_im_context_input_panel_geometry_get, /* input_panel_geometry_get */
  83     wayland_im_context_input_panel_state_get,  /* input_panel_state_get */
  84     NULL,                                      /* input_panel_event_callback_add */
  85     NULL,                                      /* input_panel_event_callback_del */
  86     wayland_im_context_input_panel_language_locale_get, /* input_panel_language_locale_get */
  87     NULL,                                      /* candidate_window_geometry_get */
  88     wayland_im_context_input_hint_set,         /* input_hint_set */
  89     wayland_im_context_bidi_direction_set,     /* bidi_direction_set */
  90     wayland_im_context_input_panel_keyboard_mode_get, /* input_panel_keyboard_mode_get */
  91     wayland_im_context_prediction_hint_set,    /* prediction_hint_set */
  92     wayland_im_context_mime_type_accept_set,   /* mime_type_accept_set */
  93     wayland_im_context_input_panel_position_set/* input_panel_position_set */
  94 };
  95
  96 static struct wl_text_input_manager *text_input_manager = NULL;
  97
  98 static Ecore_IMF_Context *
  99 im_module_exit(void)
 100 {
 101     return NULL;
 102 }
 103
 104 static Ecore_IMF_Context *
 105 im_module_create()
 106 {
 107    Ecore_IMF_Context *ctx = NULL;
 108    WaylandIMContext *ctxd = NULL;
 109
 110    if (!text_input_manager) {
 111        Ecore_Wl2_Global *global;
 112        struct wl_registry *registry;
 113        Eina_Iterator *globals;
 114
 115        ecore_wl2_init_count = ecore_wl2_init();
 116        if (!ecore_wl2_init_count) {
 117            LOGE("Could not initialize ecore_wl2");
 118            return NULL;
 119        }
 120
 121        ewd = ecore_wl2_display_connect(NULL);
 122        if (!ewd) {
 123            LOGE("Could not connect to Wayland Display");
 124            goto err;
 125        }
 126
 127        if (!(registry = ecore_wl2_display_registry_get(ewd)))
 128            goto err;
 129
 130        if (!(globals = ecore_wl2_display_globals_get(ewd)))
 131            goto err;
 132
 133        EINA_ITERATOR_FOREACH(globals, global)
 134        {
 135            if (!strcmp(global->interface, "wl_text_input_manager")) {
 136                text_input_manager =
 137                    wl_registry_bind(registry, global->id,
 138                            &wl_text_input_manager_interface, 1);
 139                EINA_LOG_DOM_INFO(_ecore_imf_wayland_log_dom,
 140                        "bound wl_text_input_manager interface");
 141                break;
 142            }
 143        }
 144        eina_iterator_free (globals);
 145
 146        if (!text_input_manager)
 147            goto err;
 148    }
 149
 150    ctxd = wayland_im_context_new(text_input_manager);
 151    if (!ctxd) return NULL;
 152
 153    ctx = ecore_imf_context_new(&wayland_imf_class);
 154    if (!ctx) {
 155        free(ctxd);
 156        return NULL;
 157    }
 158
 159    ecore_imf_context_data_set(ctx, ctxd);
 160    wayland_im_context_pair_set(ctx, ctxd);
 161
 162    return ctx;
 163
 164 err:
 165     ecore_wl2_init_count = 0;
 166     if (ewd) {
 167         ecore_wl2_display_disconnect(ewd);
 168         ewd = NULL;
 169     }
 170
 171     ecore_wl2_shutdown();
 172     return NULL;
 173 }
 174
 175 static Eina_Bool
 176 im_module_init(void)
 177 {
 178    const char *s;
 179
 180    _ecore_imf_wayland_log_dom =
 181      eina_log_domain_register("ecore_imf_wayland", EINA_COLOR_YELLOW);
 182
 183    if (!getenv("WAYLAND_DISPLAY")) return EINA_FALSE;
 184    if ((s = getenv("ELM_DISPLAY"))) {
 185        if (strcmp(s, "wl")) return EINA_FALSE;
 186    }
 187
 188    ecore_imf_module_register(&wayland_im_info, im_module_create,
 189                              im_module_exit);
 190
 191    // TIZEN_ONLY(20150708): Support back key
 192    wayland_im_initialize ();
 193    //
 194    EINA_LOG_DOM_INFO(_ecore_imf_wayland_log_dom, "im module initialized");
 195
 196    return EINA_TRUE;
 197 }
 198
 199 static void
 200 im_module_shutdown(void)
 201 {
 202    // TIZEN_ONLY(20150708): Support back key
 203     wayland_im_uninitialize ();
 204    //
 205    EINA_LOG_DOM_INFO(_ecore_imf_wayland_log_dom, "im module shutdown");
 206
 207    if (ewd)
 208        ecore_wl2_display_disconnect(ewd);
 209
 210    if (ecore_wl2_init_count > 0)
 211        ecore_wl2_shutdown();
 212 }
 213
 214 EINA_MODULE_INIT(im_module_init);
 215 EINA_MODULE_SHUTDOWN(im_module_shutdown);