Enable IBus integration

Change-Id: I90231e22614ada60112aed923237f5f27bfe747c
Signed-off-by: Eduardo Lima (Etrunko) <eduardo.lima@intel.com>

5 files changed, 109 insertions, 53 deletions

diff --git a/src/Makefile.am b/src/Makefile.am
index ee0b7cf..bb6c7a4 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -16,6 +16,17 @@ weekeyboard_SOURCES=				\
 	wkb-main.c				\
 	wkb-log.c				\
 	wkb-log.h				\
+	wkb-ibus.h				\
+	wkb-ibus.c				\
+	wkb-ibus-helper.h			\
+	wkb-ibus-helper.c			\
+	wkb-ibus-defs.h				\
+	wkb-ibus-panel.c			\
+	wkb-ibus-config.c			\
+	wkb-ibus-config-key.c			\
+	wkb-ibus-config-key.h			\
+	wkb-ibus-config-eet.c			\
+	wkb-ibus-config-eet.h			\
 	input-method-protocol.c			\
 	input-method-client-protocol.h		\
 	text-protocol.c				\
diff --git a/src/wkb-ibus-panel.c b/src/wkb-ibus-panel.c
index d4398e2..a52f471 100644
--- a/src/wkb-ibus-panel.c
+++ b/src/wkb-ibus-panel.c
@@ -236,8 +236,6 @@ _panel_focus_in(const Eldbus_Service_Interface *iface, const Eldbus_Message *msg
 {
    _panel_check_message_errors(msg);
 
-   INF("FOCUS IN!!!");
-
    return NULL;
 }
 
@@ -246,8 +244,6 @@ _panel_focus_out(const Eldbus_Service_Interface *iface, const Eldbus_Message *ms
 {
    _panel_check_message_errors(msg);
 
-   INF("FOCUS OUT!!!");
-
    return NULL;
 }
 
diff --git a/src/wkb-ibus.c b/src/wkb-ibus.c
index 5d48e32..a884c22 100644
--- a/src/wkb-ibus.c
+++ b/src/wkb-ibus.c
@@ -546,30 +546,32 @@ _wkb_ibus_shutdown_finish(void)
    eldbus_shutdown();
 }
 
-void
+Eina_Bool
 wkb_ibus_shutdown(void)
 {
    if (!wkb_ibus)
      {
         ERR("Not initialized");
-        return;
+        return EINA_FALSE;
      }
 
    if (wkb_ibus->shutting_down)
-      return;
+      return EINA_TRUE;
 
    if (wkb_ibus->refcount == 0)
      {
         ERR("Refcount already 0");
-        return;
+        return EINA_FALSE;
      }
 
    if (--(wkb_ibus->refcount) != 0)
-      return;
+      return EINA_TRUE;
 
    DBG("Shutting down");
    wkb_ibus->shutting_down = EINA_TRUE;
    wkb_ibus_disconnect();
+
+   return EINA_TRUE;
 }
 
 void
@@ -730,7 +732,7 @@ _ibus_input_ctx_update_preedit_text(void *data, const Eldbus_Message *msg)
      }
 
    txt = wkb_ibus_text_from_message_iter(iter);
-   DBG("Preedit text: '%s'", txt->text);
+   DBG("Preedit text: '%s', Cursor: '%d'", txt->text, cursor);
    wkb_ibus->input_ctx->preedit = strdup(txt->text);
    wkb_ibus->input_ctx->cursor = cursor;
 
@@ -740,8 +742,7 @@ _ibus_input_ctx_update_preedit_text(void *data, const Eldbus_Message *msg)
         return;
      }
 
-   wl_input_method_context_preedit_cursor(wkb_ibus->input_ctx->wl_ctx,
-                                          wkb_ibus->input_ctx->cursor);
+   wl_input_method_context_preedit_cursor(wkb_ibus->input_ctx->wl_ctx, cursor);
    _set_preedit_text(wkb_ibus->input_ctx->preedit);
 }
 
@@ -851,9 +852,12 @@ _ibus_input_ctx_key_press(void *data, const Eldbus_Message *msg, Eldbus_Pending
      }
 
    if (!ret)
-      wl_input_method_context_key(wkb_ibus->input_ctx->wl_ctx,
-                                  wkb_ibus->input_ctx->serial,
-                                  0, *key_code-8, WL_KEYBOARD_KEY_STATE_PRESSED);
+     {
+        INF("Key press was not handled by IBus");
+        wl_input_method_context_key(wkb_ibus->input_ctx->wl_ctx,
+                                    wkb_ibus->input_ctx->serial,
+                                    0, *key_code-8, WL_KEYBOARD_KEY_STATE_PRESSED);
+     }
 }
 
 static void
@@ -871,9 +875,12 @@ _ibus_input_ctx_key_release(void *data, const Eldbus_Message *msg, Eldbus_Pendin
      }
 
    if (!ret)
-      wl_input_method_context_key(wkb_ibus->input_ctx->wl_ctx,
-                                  wkb_ibus->input_ctx->serial,
-                                  0, *key_code-8, WL_KEYBOARD_KEY_STATE_RELEASED);
+     {
+        INF("Key release was not handled by IBus");
+        wl_input_method_context_key(wkb_ibus->input_ctx->wl_ctx,
+                                    wkb_ibus->input_ctx->serial,
+                                    0, *key_code-8, WL_KEYBOARD_KEY_STATE_RELEASED);
+     }
 }
 
 static unsigned int
diff --git a/src/wkb-ibus.h b/src/wkb-ibus.h
index bca1bcd..8a2512d 100644
--- a/src/wkb-ibus.h
+++ b/src/wkb-ibus.h
@@ -31,7 +31,7 @@ extern int WKB_IBUS_CONNECTED;
 extern int WKB_IBUS_DISCONNECTED;
 
 int wkb_ibus_init(void);
-void wkb_ibus_shutdown(void);
+Eina_Bool wkb_ibus_shutdown(void);
 
 Eina_Bool wkb_ibus_connect(void);
 void wkb_ibus_disconnect(void);
diff --git a/src/wkb-main.c b/src/wkb-main.c
index dd10b29..945cac6 100644
--- a/src/wkb-main.c
+++ b/src/wkb-main.c
@@ -30,6 +30,8 @@
 #include <string.h>
 
 #include "wkb-log.h"
+#include "wkb-ibus.h"
+
 #include "input-method-client-protocol.h"
 #include "text-client-protocol.h"
 
@@ -55,7 +57,6 @@ struct weekeyboard
    uint32_t preedit_style;
    uint32_t content_hint;
    uint32_t content_purpose;
-   uint32_t serial;
    uint32_t surrounding_cursor;
 
    Eina_Bool context_changed;
@@ -64,7 +65,8 @@ struct weekeyboard
 static void
 _cb_wkb_delete_request(Ecore_Evas *ee EINA_UNUSED)
 {
-   ecore_main_loop_quit();
+   if (!wkb_ibus_shutdown())
+      ecore_main_loop_quit();
 }
 
 static char *
@@ -89,7 +91,7 @@ _wkb_commit_preedit_str(struct weekeyboard *wkb)
       return;
 
    wl_input_method_context_cursor_position(wkb->im_ctx, 0, 0);
-   wl_input_method_context_commit_string(wkb->im_ctx, wkb->serial, wkb->preedit_str);
+   wl_input_method_context_commit_string(wkb->im_ctx, wkb_ibus_input_context_serial(), wkb->preedit_str);
 
    if (wkb->surrounding_text)
      {
@@ -120,7 +122,7 @@ _wkb_send_preedit_str(struct weekeyboard *wkb, int cursor)
       index = cursor;
 
    wl_input_method_context_preedit_cursor(wkb->im_ctx, index);
-   wl_input_method_context_preedit_string(wkb->im_ctx, wkb->serial, wkb->preedit_str, wkb->preedit_str);
+   wl_input_method_context_preedit_string(wkb->im_ctx, wkb_ibus_input_context_serial(), wkb->preedit_str, wkb->preedit_str);
 }
 
 static void
@@ -175,6 +177,9 @@ _cb_wkb_on_key_down(void *data, Evas_Object *obj, const char *emission EINA_UNUS
         DBG("Ignoring key: '%s'", key);
         goto end;
      }
+
+   wkb_ibus_input_context_process_key_event(key);
+#if 0
    else if (strcmp(key, "backspace") == 0)
      {
         if (strlen(wkb->preedit_str) == 0)
@@ -206,7 +211,7 @@ _cb_wkb_on_key_down(void *data, Evas_Object *obj, const char *emission EINA_UNUS
    DBG("Key pressed: '%s'", key);
 
    _wkb_update_preedit_str(wkb, key);
-
+#endif
 end:
    free(src);
 }
@@ -214,26 +219,27 @@ end:
 static void
 _wkb_im_ctx_surrounding_text(void *data, struct wl_input_method_context *im_ctx, const char *text, uint32_t cursor, uint32_t anchor)
 {
+#if 0
    struct weekeyboard *wkb = data;
 
-   DBG("");
    free(wkb->surrounding_text);
    wkb->surrounding_text = strdup(text);
    wkb->surrounding_cursor = cursor;
+#endif
 }
 
 static void
 _wkb_im_ctx_reset(void *data, struct wl_input_method_context *im_ctx)
 {
+#if 0
    struct weekeyboard *wkb = data;
 
-   DBG("");
-
    if (strlen(wkb->preedit_str))
      {
         free(wkb->preedit_str);
         wkb->preedit_str = strdup("");
      }
+#endif
 }
 
 static void
@@ -270,13 +276,14 @@ _wkb_im_ctx_content_type(void *data, struct wl_input_method_context *im_ctx, uin
 static void
 _wkb_im_ctx_invoke_action(void *data, struct wl_input_method_context *im_ctx, uint32_t button, uint32_t index)
 {
+#if 0
    struct weekeyboard *wkb = data;
 
-   DBG("");
    if (button != BTN_LEFT)
       return;
 
    _wkb_send_preedit_str(wkb, index);
+#endif
 }
 
 static void
@@ -284,19 +291,21 @@ _wkb_im_ctx_commit_state(void *data, struct wl_input_method_context *im_ctx, uin
 {
    struct weekeyboard *wkb = data;
 
-   DBG("");
    if (wkb->surrounding_text)
       INF("Surrounding text updated: %s", wkb->surrounding_text);
 
-   wkb->serial = serial;
+   wkb_ibus_input_context_set_serial(serial);
+#if 0
    /* FIXME */
-   wl_input_method_context_language(im_ctx, wkb->serial, "en");//wkb->language);
-   wl_input_method_context_text_direction(im_ctx, wkb->serial, WL_TEXT_INPUT_TEXT_DIRECTION_LTR);//wkb->text_direction);
+   wl_input_method_context_language(im_ctx, wkb_ibus_input_context_serial(), "en");//wkb->language);
+   wl_input_method_context_text_direction(im_ctx, wkb_ibus_input_context_serial(), WL_TEXT_INPUT_TEXT_DIRECTION_LTR);//wkb->text_direction);
+#endif
 }
 
 static void
 _wkb_im_ctx_preferred_language(void *data, struct wl_input_method_context *im_ctx, const char *language)
 {
+#if 0
    struct weekeyboard *wkb = data;
 
    if (language && wkb->language && !strcmp(language, wkb->language))
@@ -313,6 +322,7 @@ _wkb_im_ctx_preferred_language(void *data, struct wl_input_method_context *im_ct
         wkb->language = strdup(language);
         INF("Language changed, new: '%s'", language);
      }
+#endif
 }
 
 static const struct wl_input_method_context_listener wkb_im_context_listener = {
@@ -328,7 +338,8 @@ static void
 _wkb_im_activate(void *data, struct wl_input_method *input_method, struct wl_input_method_context *im_ctx)
 {
    struct weekeyboard *wkb = data;
-   struct wl_array modifiers_map;
+
+   DBG("Activate");
 
    if (wkb->im_ctx)
       wl_input_method_context_destroy(wkb->im_ctx);
@@ -339,16 +350,21 @@ _wkb_im_activate(void *data, struct wl_input_method *input_method, struct wl_inp
    wkb->preedit_str = strdup("");
    wkb->content_hint = WL_TEXT_INPUT_CONTENT_HINT_NONE;
    wkb->content_purpose = WL_TEXT_INPUT_CONTENT_PURPOSE_NORMAL;
+
    free(wkb->language);
    wkb->language = NULL;
+
    free(wkb->surrounding_text);
    wkb->surrounding_text = NULL;
-   wkb->serial = 0;
+
+   wkb_ibus_input_context_set_serial(0);
 
    wkb->im_ctx = im_ctx;
    wl_input_method_context_add_listener(im_ctx, &wkb_im_context_listener, wkb);
+   wkb_ibus_input_context_create(im_ctx);
 
-   /*
+#if 0
+   struct wl_array modifiers_map;
    wl_array_init(&modifiers_map);
 
    keysym_modifiers_add(&modifiers_map, "Shift");
@@ -363,9 +379,9 @@ _wkb_im_activate(void *data, struct wl_input_method *input_method, struct wl_inp
    */
 
    /* FIXME */
-   wl_input_method_context_language(im_ctx, wkb->serial, "en");//wkb->language);
-   wl_input_method_context_text_direction(im_ctx, wkb->serial, WL_TEXT_INPUT_TEXT_DIRECTION_LTR);//wkb->text_direction);
-
+   wl_input_method_context_language(im_ctx, wkb_ibus_input_context_serial(), "en");//wkb->language);
+   wl_input_method_context_text_direction(im_ctx, wkb_ibus_input_context_serial(), WL_TEXT_INPUT_TEXT_DIRECTION_LTR);//wkb->text_direction);
+#endif
    wkb->context_changed = EINA_TRUE;
    evas_object_show(wkb->edje_obj);
 }
@@ -375,11 +391,16 @@ _wkb_im_deactivate(void *data, struct wl_input_method *input_method, struct wl_i
 {
    struct weekeyboard *wkb = data;
 
-   if (!wkb->im_ctx)
-      return;
+   DBG("Deactivate");
+
+   wkb_ibus_input_context_destroy();
+
+   if (wkb->im_ctx)
+     {
+        wl_input_method_context_destroy(wkb->im_ctx);
+        wkb->im_ctx = NULL;
+     }
 
-   wl_input_method_context_destroy(wkb->im_ctx);
-   wkb->im_ctx = NULL;
    evas_object_hide(wkb->edje_obj);
 }
 
@@ -398,7 +419,7 @@ _wkb_ui_setup(struct weekeyboard *wkb)
    char *ignore_keys;
 
    ecore_evas_alpha_set(wkb->ee, EINA_TRUE);
-   ecore_evas_title_set(wkb->ee, "EFL virtual keyboard");
+   ecore_evas_title_set(wkb->ee, "Weekeyboard");
 
    evas = ecore_evas_get(wkb->ee);
    wkb->edje_obj = edje_object_add(evas);
@@ -417,7 +438,7 @@ _wkb_ui_setup(struct weekeyboard *wkb)
    if (!edje_object_file_set(wkb->edje_obj, path, "main"))
      {
         int err = edje_object_load_error_get(wkb->edje_obj);
-        ERR("error loading the edje file: '%s'", edje_load_error_str(err));
+        ERR("Unable to load the edje file: '%s'", edje_load_error_str(err));
         return EINA_FALSE;
      }
 
@@ -495,6 +516,7 @@ _wkb_setup(struct weekeyboard *wkb)
      }
 
    /* Set input panel surface */
+   DBG("Setting up input panel");
    wkb->win = ecore_evas_wayland_window_get(wkb->ee);
    ecore_wl_window_type_set(wkb->win, ECORE_WL_WINDOW_TYPE_NONE);
    wkb->surface = ecore_wl_window_surface_create(wkb->win);
@@ -502,6 +524,7 @@ _wkb_setup(struct weekeyboard *wkb)
    wl_input_panel_surface_set_toplevel(ips, wkb->output, WL_INPUT_PANEL_SURFACE_POSITION_CENTER_BOTTOM);
 
    /* Input method listener */
+   DBG("Adding wl_input_method listener");
    wl_input_method_add_listener(wkb->im, &wkb_im_listener, wkb);
 }
 
@@ -511,13 +534,15 @@ _wkb_free(struct weekeyboard *wkb)
    if (wkb->im_ctx)
       wl_input_method_context_destroy(wkb->im_ctx);
 
+   if (wkb->edje_obj)
+      evas_object_del(wkb->edje_obj);
+
    if (wkb->ignore_keys)
      {
         free(*wkb->ignore_keys);
         free(wkb->ignore_keys);
      }
 
-   evas_object_del(wkb->edje_obj);
    free(wkb->preedit_str);
    free(wkb->surrounding_text);
 }
@@ -553,6 +578,20 @@ err:
    return ret;
 }
 
+static Eina_Bool
+_wkb_check_ibus_connection(void *data)
+{
+   static int tries = 0;
+
+   if (tries++ > 5)
+     {
+        CRITICAL("Unable to establish connection to IBus.");
+        return ECORE_CALLBACK_DONE;
+     }
+
+   return !wkb_ibus_is_connected();
+}
+
 int
 main(int argc EINA_UNUSED, char **argv EINA_UNUSED)
 {
@@ -563,13 +602,13 @@ main(int argc EINA_UNUSED, char **argv EINA_UNUSED)
       return ret;
 
    if (!ecore_evas_init())
-      goto log_err;
+      goto ee_err;
 
    if (!edje_init())
-      goto ee_err;
+      goto edj_err;
 
    if (!_wkb_check_evas_engine(&wkb))
-      goto edj_err;
+      goto engine_err;
 
    DBG("Selected engine: '%s'", wkb.ee_engine);
    wkb.ee = ecore_evas_new(wkb.ee_engine, 0, 0, 1, 1, "frame=0");
@@ -582,25 +621,28 @@ main(int argc EINA_UNUSED, char **argv EINA_UNUSED)
 
    _wkb_setup(&wkb);
 
+   wkb_ibus_init();
+
    if (!_wkb_ui_setup(&wkb))
       goto end;
 
+   wkb_ibus_connect();
+   ecore_timer_add(1, _wkb_check_ibus_connection, NULL);
    ecore_main_loop_begin();
 
    ret = EXIT_SUCCESS;
 
-   _wkb_free(&wkb);
-
 end:
+   _wkb_free(&wkb);
    ecore_evas_free(wkb.ee);
 
-edj_err:
+engine_err:
    edje_shutdown();
 
-ee_err:
+edj_err:
    ecore_evas_shutdown();
 
-log_err:
+ee_err:
    wkb_log_shutdown();
 
    return ret;