ecore imf modules - check ecore x display state beofre doing x things

using an uninitted x display is not good/useful so ... don't do it.
leads to crashes.

3 files changed, 52 insertions, 26 deletions

diff --git a/src/modules/ecore_imf/ibus/ibus_imcontext.c b/src/modules/ecore_imf/ibus/ibus_imcontext.c
index 753f3b76ca..4521e52a65 100644
--- a/src/modules/ecore_imf/ibus/ibus_imcontext.c
+++ b/src/modules/ecore_imf/ibus/ibus_imcontext.c
@@ -103,6 +103,8 @@ _ecore_imf_ibus_window_to_screen_geometry_get(Ecore_X_Window client_win,
    int win_x, win_y;
    int sum_x = 0, sum_y = 0;
 
+   if (!ecore_x_display_get()) goto end;
+
    root_window = ecore_x_window_root_get(client_win);
    win = client_win;
 
@@ -114,6 +116,7 @@ _ecore_imf_ibus_window_to_screen_geometry_get(Ecore_X_Window client_win,
         win = ecore_x_window_parent_get(win);
      }
 
+end:
    if (x)
      *x = sum_x;
    if (y)
@@ -171,6 +174,7 @@ _ecore_imf_ibus_key_event_put(int keysym, int keycode, int state)
    Window winFocus = 0;
    int revert = RevertToParent;
 
+   if (!ecore_x_display_get()) return;
    XGetInputFocus(ecore_x_display_get(), &winFocus, &revert);
 
    XKeyEvent event;
@@ -393,6 +397,7 @@ ecore_imf_context_ibus_filter_event(Ecore_IMF_Context *ctx,
    IBusIMContext *ibusimcontext = (IBusIMContext*)ecore_imf_context_data_get(ctx);
    EINA_SAFETY_ON_NULL_RETURN_VAL(ibusimcontext, EINA_FALSE);
 
+   if (!ecore_x_display_get()) return EINA_FALSE;
    if (type != ECORE_IMF_EVENT_KEY_UP && type != ECORE_IMF_EVENT_KEY_DOWN)
      return EINA_FALSE;
 
@@ -744,7 +749,7 @@ static XKeyEvent _ecore_imf_ibus_x_key_event_generate(Window win,
 
    event.display     = display;
    event.window      = win;
-   event.root        = ecore_x_window_root_get(win);
+   event.root        = display ? ecore_x_window_root_get(win) : 0;
    event.subwindow   = None;
    event.time        = 0;
    event.x           = 1;
@@ -754,7 +759,7 @@ static XKeyEvent _ecore_imf_ibus_x_key_event_generate(Window win,
    event.same_screen = EINA_TRUE;
    if (keycode == -1)
      {
-        event.keycode     = XKeysymToKeycode(display, keysym);
+        event.keycode     = display ? XKeysymToKeycode(display, keysym) : 0;
         event.state       = 0;
      }
    else
diff --git a/src/modules/ecore_imf/scim/scim_imcontext.cpp b/src/modules/ecore_imf/scim/scim_imcontext.cpp
index fcdb2088b5..404f880d17 100644
--- a/src/modules/ecore_imf/scim/scim_imcontext.cpp
+++ b/src/modules/ecore_imf/scim/scim_imcontext.cpp
@@ -386,6 +386,8 @@ window_to_screen_geometry_get(Ecore_X_Window client_win, int *x, int *y)
    int win_x, win_y;
    int sum_x = 0, sum_y = 0;
 
+   if (!ecore_x_display_get()) goto end;
+
    root_window = ecore_x_window_root_get(client_win);
    win = client_win;
 
@@ -397,6 +399,7 @@ window_to_screen_geometry_get(Ecore_X_Window client_win, int *x, int *y)
         win = ecore_x_window_parent_get(win);
      }
 
+end:
    if (x)
      *x = sum_x;
    if (y)
@@ -1316,6 +1319,7 @@ isf_imf_context_input_panel_show(Ecore_IMF_Context *ctx)
    EINA_SAFETY_ON_NULL_RETURN(context_scim);
    EINA_SAFETY_ON_NULL_RETURN(context_scim->impl);
 
+   if (!ecore_x_display_get()) return;
    ecore_x_e_virtual_keyboard_state_set
         (context_scim->impl->client_window, ECORE_X_VIRTUAL_KEYBOARD_STATE_ON);
 }
@@ -1329,6 +1333,7 @@ isf_imf_context_input_panel_hide(Ecore_IMF_Context *ctx)
    EINA_SAFETY_ON_NULL_RETURN(context_scim);
    EINA_SAFETY_ON_NULL_RETURN(context_scim->impl);
 
+   if (!ecore_x_display_get()) return;
    ecore_x_e_virtual_keyboard_state_set
         (context_scim->impl->client_window, ECORE_X_VIRTUAL_KEYBOARD_STATE_OFF);
 }
@@ -1459,6 +1464,7 @@ panel_slot_process_key_event(int context, const KeyEvent &key)
    EcoreIMFContextISF *ic = find_ic(context);
    SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << " context=" << context << " key=" << key.get_key_string() << " ic=" << ic << "\n";
 
+   if (!ecore_x_display_get()) return;
    if (key.is_key_press())
      ecore_x_test_fake_key_press(key.get_key_string().c_str());
 }
@@ -2663,6 +2669,7 @@ slot_beep(IMEngineInstanceBase *si)
    EcoreIMFContextISF *ic = static_cast<EcoreIMFContextISF *>(si->get_frontend_data());
    EINA_SAFETY_ON_NULL_RETURN(ic);
 
+   if (!ecore_x_display_get()) return;
    if (_focused_ic == ic)
      ecore_x_bell(0);
 }
diff --git a/src/modules/ecore_imf/xim/ecore_imf_xim.c b/src/modules/ecore_imf/xim/ecore_imf_xim.c
index 30129a5274..606a793058 100644
--- a/src/modules/ecore_imf/xim/ecore_imf_xim.c
+++ b/src/modules/ecore_imf/xim/ecore_imf_xim.c
@@ -172,19 +172,23 @@ _ecore_imf_context_xim_del(Ecore_IMF_Context *ctx)
           {
              Ecore_X_Display *dsp;
              dsp = ecore_x_display_get();
-             XUnregisterIMInstantiateCallback(dsp,
-                                              NULL, NULL, NULL,
-                                              _ecore_imf_xim_instantiate_cb,
-                                              (XPointer)imf_context_data->im_info);
+             if (dsp)
+               XUnregisterIMInstantiateCallback(dsp,
+                                                NULL, NULL, NULL,
+                                                _ecore_imf_xim_instantiate_cb,
+                                                (XPointer)imf_context_data->im_info);
           }
         else if (imf_context_data->im_info->im)
           {
-             XIMCallback im_destroy_callback;
-             im_destroy_callback.client_data = NULL;
-             im_destroy_callback.callback = NULL;
-             XSetIMValues(imf_context_data->im_info->im,
-                          XNDestroyCallback, &im_destroy_callback,
-                          NULL);
+             if (ecore_x_display_get())
+               {
+                  XIMCallback im_destroy_callback;
+                  im_destroy_callback.client_data = NULL;
+                  im_destroy_callback.callback = NULL;
+                  XSetIMValues(imf_context_data->im_info->im,
+                               XNDestroyCallback, &im_destroy_callback,
+                               NULL);
+               }
           }
      }
 
@@ -481,6 +485,7 @@ _ecore_imf_context_xim_input_panel_show(Ecore_IMF_Context *ctx)
    DBG("ctx=%p, imf_context_data=%p", ctx, imf_context_data);
    EINA_SAFETY_ON_NULL_RETURN(imf_context_data);
 
+   if (!ecore_x_display_get()) return;
    ecore_x_e_virtual_keyboard_state_set
         (imf_context_data->win, ECORE_X_VIRTUAL_KEYBOARD_STATE_ON);
 }
@@ -492,6 +497,7 @@ _ecore_imf_context_xim_input_panel_hide(Ecore_IMF_Context *ctx)
    DBG("ctx=%p, imf_context_data=%p", ctx, imf_context_data);
    EINA_SAFETY_ON_NULL_RETURN(imf_context_data);
 
+   if (!ecore_x_display_get()) return;
    ecore_x_e_virtual_keyboard_state_set
         (imf_context_data->win, ECORE_X_VIRTUAL_KEYBOARD_STATE_OFF);
 }
@@ -595,15 +601,18 @@ _ecore_imf_context_xim_filter_event(Ecore_IMF_Context *ctx,
         xev.send_event = 0;
         xev.display = dsp;
         xev.window = win;
-        xev.root = ecore_x_window_root_get(win);
+        xev.root = dsp ? ecore_x_window_root_get(win) : 0;
         xev.subwindow = win;
         xev.time = ev->timestamp;
         xev.x = xev.x_root = 0;
         xev.y = xev.y_root = 0;
         xev.state = 0;
-        xev.state |= _ecore_x_event_reverse_modifiers(ev->modifiers);
-        xev.state |= _ecore_x_event_reverse_locks(ev->locks);
-        xev.keycode = _ecore_imf_xim_keycode_get(dsp, ev->keyname);
+        if (dsp)
+          {
+             xev.state |= _ecore_x_event_reverse_modifiers(ev->modifiers);
+             xev.state |= _ecore_x_event_reverse_locks(ev->locks);
+             xev.keycode = _ecore_imf_xim_keycode_get(dsp, ev->keyname);
+          }
         xev.same_screen = True;
 
         if (ic)
@@ -791,7 +800,8 @@ _ecore_imf_xim_shutdown(void)
         XIM_Im_Info *info = open_ims->data;
         Ecore_X_Display *display = ecore_x_display_get();
 
-        _ecore_imf_xim_info_im_shutdown(display, EINA_FALSE, info);
+        if (display)
+          _ecore_imf_xim_info_im_shutdown(display, EINA_FALSE, info);
      }
 
    if (_ecore_imf_xim_log_dom >= 0)
@@ -1103,6 +1113,7 @@ _ecore_imf_xim_ic_get(Ecore_IMF_Context *ctx)
    imf_context_data = ecore_imf_context_data_get(ctx);
    EINA_SAFETY_ON_NULL_RETURN_VAL(imf_context_data, NULL);
 
+   if (!ecore_x_display_get()) return NULL;
    ic = imf_context_data->ic;
    if (!ic)
      {
@@ -1341,17 +1352,20 @@ _ecore_imf_xim_info_im_init(XIM_Im_Info *info)
         if (!XSetLocaleModifiers(""))
           WRN("Unable to set locale modifiers with XSetLocaleModifiers()");
         dsp = ecore_x_display_get();
-        info->im = XOpenIM(dsp, NULL, NULL, NULL);
-        if (!info->im)
+        if (dsp)
           {
-             XRegisterIMInstantiateCallback(dsp,
-                                            NULL, NULL, NULL,
-                                            _ecore_imf_xim_instantiate_cb,
-                                            (XPointer)info);
-             info->reconnecting = EINA_TRUE;
-             return;
+             info->im = XOpenIM(dsp, NULL, NULL, NULL);
+             if (!info->im)
+               {
+                  XRegisterIMInstantiateCallback(dsp,
+                                                 NULL, NULL, NULL,
+                                                 _ecore_imf_xim_instantiate_cb,
+                                                 (XPointer)info);
+                  info->reconnecting = EINA_TRUE;
+                  return;
+               }
+             _ecore_imf_xim_im_setup(info);
           }
-        _ecore_imf_xim_im_setup(info);
      }
 }