ecore imf - fix modules that are x11 based to only load in x11 and in wl

use env vars to determine module init for ecore-imf so you don't have
things like e locking up trying to init scim when running in wl mode.
do the same for ibus and xim modules too. do the inverse for wayland
imf module but here add also the check for ELM_DISPLAY that wasn't
there (like it is now in the other modules) so it is only initted on
wayland.

@fix

src/modules/ecore_imf/ibus/ibus_module.c

@@ -65,7 +65,14 @@ static Ecore_IMF_Context *im_module_exit (void);
 static Eina_Bool
 im_module_init(void)
 {
-    ecore_main_loop_glib_integrate();
+   const char *s;
+
+   if (!getenv("DISPLAY")) return EINA_FALSE;
+   if ((s = getenv("ELM_DISPLAY")))
+     {
+        if (strcmp(s, "x11")) return EINA_FALSE;
+     }
+   ecore_main_loop_glib_integrate();
     ibus_init();
     ecore_imf_module_register(&ibus_im_info, im_module_create, im_module_exit);
 

src/modules/ecore_imf/scim/scim_module.cpp

@@ -57,6 +57,13 @@ extern "C"
 
    static Eina_Bool imf_module_init (void)
      {
+        const char *s;
+
+        if (!getenv("DISPLAY")) return EINA_FALSE;
+        if ((s = getenv("ELM_DISPLAY")))
+          {
+             if (strcmp(s, "x11")) return EINA_FALSE;
+          }
         ecore_imf_module_register (&isf_imf_info, imf_module_create, imf_module_exit);
         return EINA_TRUE;
      }

src/modules/ecore_imf/wayland/wayland_module.c

@@ -145,11 +145,16 @@ im_module_create()
 static Eina_Bool
 im_module_init(void)
 {
+   const char *s;
+
    _ecore_imf_wayland_log_dom = 
      eina_log_domain_register("ecore_imf_wayland", EINA_COLOR_YELLOW);
 
-   if (!getenv("WAYLAND_DISPLAY"))
-     return EINA_FALSE;
+   if (!getenv("WAYLAND_DISPLAY")) return EINA_FALSE;
+   if ((s = getenv("ELM_DISPLAY")))
+     {
+        if (strcmp(s, "wl")) return EINA_FALSE;
+     }
 
    if (!ecore_wl_init(NULL))
      return EINA_FALSE;

src/modules/ecore_imf/xim/ecore_imf_xim.c

@@ -754,6 +754,13 @@ xim_imf_module_exit(void)
 static Eina_Bool
 _ecore_imf_xim_init(void)
 {
+   const char *s;
+
+   if (!getenv("DISPLAY")) return EINA_FALSE;
+   if ((s = getenv("ELM_DISPLAY")))
+     {
+        if (strcmp(s, "x11")) return EINA_FALSE;
+     }
    eina_init();
 
    _ecore_imf_xim_log_dom = eina_log_domain_register("ecore_imf_xim", NULL);