#define E_COMP_WL
#include "e.h"
#include <drm_mode.h>

#include <Ecore_Drm2.h>
#include <Elput.h>
#include "e_drm2.x"

static Ecore_Event_Handler *seat_handler;

E_API E_Module_Api e_modapi = { E_MODULE_API_VERSION, "Wl_Drm" };

static Ecore_Event_Handler *activate_handler;
static Ecore_Event_Handler *output_handler;
static Ecore_Event_Handler *input_handler;
static Eina_Bool session_state = EINA_FALSE;

static const char *conn_types[] =
{
   "None", "VGA", "DVI-I", "DVI-D", "DVI-A",
   "Composite", "S-Video", "LVDS", "Component", "DIN",
   "DisplayPort", "HDMI-A", "HDMI-B", "TV", "eDP", "Virtual",
   "DSI", "UNKNOWN"
};

static E_Randr2_Connector rtype[] =
{
   E_RANDR2_CONNECTOR_UNDEFINED,
   E_RANDR2_CONNECTOR_UNDEFINED,
   E_RANDR2_CONNECTOR_DVI,
   E_RANDR2_CONNECTOR_DVI,
   E_RANDR2_CONNECTOR_DVI,
   E_RANDR2_CONNECTOR_UNDEFINED,
   E_RANDR2_CONNECTOR_UNDEFINED,
   E_RANDR2_CONNECTOR_UNDEFINED,
   E_RANDR2_CONNECTOR_UNDEFINED,
   E_RANDR2_CONNECTOR_UNDEFINED,
   E_RANDR2_CONNECTOR_DISPLAY_PORT,
   E_RANDR2_CONNECTOR_HDMI_A,
   E_RANDR2_CONNECTOR_HDMI_B,
   E_RANDR2_CONNECTOR_UNDEFINED,
   E_RANDR2_CONNECTOR_DISPLAY_PORT,
   E_RANDR2_CONNECTOR_UNDEFINED,
   E_RANDR2_CONNECTOR_UNDEFINED,
   E_RANDR2_CONNECTOR_UNDEFINED,
};

static Eina_Bool
_e_mod_drm_cb_activate(void *data EINA_UNUSED, int type EINA_UNUSED, void *event)
{
   Ecore_Drm2_Event_Activate *ev;

   if (!(ev = event)) goto end;

   if (ev->active)
     {
        if (session_state) goto end;
        session_state = EINA_TRUE;

        ecore_evas_show(e_comp->ee);
        evas_damage_rectangle_add(e_comp->evas, 0, 0, e_comp->w, e_comp->h);
        ecore_event_add(E_EVENT_COMPOSITOR_ENABLE, NULL, NULL, NULL);
        ecore_evas_pointer_warp(e_comp->ee, e_comp_wl->ptr.x, e_comp_wl->ptr.y);
        if (e_comp->pointer->client.ec)
          {
             ecore_evas_object_cursor_set(e_comp->ee, e_comp->pointer->client.ec->frame,
               E_LAYER_MAX - 1, e_comp->pointer->client.x, e_comp->pointer->client.y);
          }
        else
          ecore_evas_object_cursor_set(e_comp->pointer->ee, e_comp->pointer->o_ptr,
            E_LAYER_MAX - 1, e_comp->pointer->hot.x, e_comp->pointer->hot.y);
     }
   else
     {
        session_state = EINA_FALSE;
        ecore_evas_hide(e_comp->ee);
        edje_file_cache_flush();
        edje_collection_cache_flush();
        evas_image_cache_flush(e_comp->evas);
        evas_font_cache_flush(e_comp->evas);
        evas_render_dump(e_comp->evas);

        ecore_event_add(E_EVENT_COMPOSITOR_DISABLE, NULL, NULL, NULL);
     }

end:
   return ECORE_CALLBACK_PASS_ON;
}

static Eina_Bool
_e_mod_drm_cb_output(void *data EINA_UNUSED, int type EINA_UNUSED, void *event EINA_UNUSED)
{
   if (!e_randr2_cfg->ignore_hotplug_events)
     e_randr2_screen_refresh_queue(1);

   return ECORE_CALLBACK_PASS_ON;
}

static E_Randr2_Screen *
_info_unconf_primary_find(E_Randr2 *r)
{
   Eina_List *l;
   E_Randr2_Screen *s, *s_primary = NULL;
   int priority = 0;

   EINA_LIST_FOREACH(r->screens, l, s)
     {
        if (!((s->config.enabled) &&
              (s->config.mode.w > 0) && (s->config.mode.h > 0) &&
              (s->config.geom.w > 0) && (s->config.geom.h > 0)))
          continue;
        if (s->config.priority > priority)
          {
             s_primary = s;
             priority = s->config.priority;
          }
     }

   return s_primary;
}

static E_Randr2_Screen *
_info_unconf_left_find(E_Randr2 *r)
{
   Eina_List *l;
   E_Randr2_Screen *s, *s_left = NULL;
   int left_x = 0x7fffffff;
   int left_size = 0;

   EINA_LIST_FOREACH(r->screens, l, s)
     {
        if (!((s->config.enabled) &&
              (s->config.mode.w > 0) && (s->config.mode.h > 0) &&
              (s->config.geom.w > 0) && (s->config.geom.h > 0)))
          continue;
        if ((s->config.geom.x <= left_x) &&
            ((s->config.geom.w * s->config.geom.h) > left_size))
          {
             left_size = s->config.geom.w * s->config.geom.h;
             left_x = s->config.geom.x;
             s_left = s;
          }
     }
   return s_left;
}

static E_Randr2_Screen *
_info_unconf_closest_find(E_Randr2 *r, E_Randr2_Screen *s2, Eina_Bool configured)
{
   Eina_List *l;
   E_Randr2_Screen *s, *s_sel = NULL;
   int dist = 0x7fffffff;
   int dx, dy;

   EINA_LIST_FOREACH(r->screens, l, s)
     {
        if (s == s2) continue;
        if (!((s->config.enabled) &&
              (s->config.mode.w > 0) && (s->config.mode.h > 0) &&
              (s->config.geom.w > 0) && (s->config.geom.h > 0)))
          continue;
        if ((!configured) &&
            (s->config.relative.mode != E_RANDR2_RELATIVE_UNKNOWN))
          continue;
        else if ((configured) &&
                 (s->config.relative.mode == E_RANDR2_RELATIVE_UNKNOWN))
          continue;
        dx = (s->config.geom.x + (s->config.geom.w / 2)) -
          (s2->config.geom.x + (s2->config.geom.w / 2));
        dy = (s->config.geom.y + (s->config.geom.h / 2)) -
          (s2->config.geom.y + (s2->config.geom.h / 2));
        dx = sqrt((dx * dx) + (dy * dy));
        if (dx < dist)
          {
             s_sel = s;
             dist = dx;
          }
     }
   return s_sel;
}

static void
_e_mod_drm_relative_fixup(E_Randr2 *r)
{
   E_Randr2_Screen *s, *s2;
   int d, dx, dy;

   s = _info_unconf_primary_find(r);
   if (s)
     s->config.relative.mode = E_RANDR2_RELATIVE_NONE;
   else
     {
        s = _info_unconf_left_find(r);
        if (!s) return;
        s->config.relative.mode = E_RANDR2_RELATIVE_NONE;
     }

   for (;;)
     {
        // find the next screen that is closest to the last one we configured
        /// that is still not configured yet
        s = _info_unconf_closest_find(r, s, EINA_FALSE);
        if (!s) break;
        s2 = _info_unconf_closest_find(r, s, EINA_TRUE);
        // fix up s->config.relative.mode, s->config.relative.to and
        // s->config.relative.align to match (as closely as possible)
        // the geometry given - config s relative to s2
        if (!s2) s->config.relative.mode = E_RANDR2_RELATIVE_NONE;
        else
          {
             s->config.relative.to = strdup(s2->id);
             s->config.relative.align = 0.0;
             s->config.relative.mode = E_RANDR2_RELATIVE_NONE;
             if ((s->config.geom.x + s->config.geom.w) <=
                 s2->config.geom.x)
               {
                  s->config.relative.mode = E_RANDR2_RELATIVE_TO_LEFT;
                  d = s->config.geom.h - s2->config.geom.h;
                  dy = s2->config.geom.y - s->config.geom.y;
                  if (d != 0)
                    s->config.relative.align = ((double)dy) / ((double)d);
               }
             else if (s->config.geom.x >=
                      (s2->config.geom.x + s2->config.geom.w))
               {
                  s->config.relative.mode = E_RANDR2_RELATIVE_TO_RIGHT;
                  d = s->config.geom.h - s2->config.geom.h;
                  dy = s2->config.geom.y - s->config.geom.y;
                  if (d != 0)
                    s->config.relative.align = ((double)dy) / ((double)d);
               }
             else if ((s->config.geom.y + s->config.geom.h) <=
                      s2->config.geom.y)
               {
                  s->config.relative.mode = E_RANDR2_RELATIVE_TO_ABOVE;
                  d = s->config.geom.w - s2->config.geom.w;
                  dx = s2->config.geom.x - s->config.geom.x;
                  if (d != 0)
                    s->config.relative.align = ((double)dx) / ((double)d);
               }
             else if (s->config.geom.y >=
                      (s2->config.geom.y + s2->config.geom.h))
               {
                  s->config.relative.mode = E_RANDR2_RELATIVE_TO_BELOW;
                  d = s->config.geom.w - s2->config.geom.w;
                  dx = s2->config.geom.x - s->config.geom.x;
                  if (d != 0)
                    s->config.relative.align = ((double)dx) / ((double)d);
               }
             else if ((s->config.geom.x == s2->config.geom.x) &&
                      (s->config.geom.y == s2->config.geom.y) &&
                      (s->config.geom.w == s2->config.geom.w) &&
                      (s->config.geom.h == s2->config.geom.h))
               {
                  s->config.relative.mode = E_RANDR2_RELATIVE_CLONE;
               }
             if (s->config.relative.align < 0.0)
               s->config.relative.align = 0.0;
             else if (s->config.relative.align > 1.0)
               s->config.relative.align = 1.0;
          }
     }
}

static E_Randr2 *
_drm2_randr_create(void)
{
   const Eina_List *l;
   E_Randr2 *r = NULL;
   Ecore_Drm2_Device *dev;
   const Eina_List *outputs;
   Ecore_Drm2_Output *output;
   unsigned int type;
   E_Zone *zone;

   dev = ecore_evas_data_get(e_comp->ee, "device");
   if (!dev) return NULL;

   outputs = ecore_drm2_outputs_get(dev);
   if (!outputs) return NULL;

   printf("DRM2 RRR: ................. info get!\n");

   r = E_NEW(E_Randr2, 1);
   if (!r) return NULL;

   EINA_LIST_FOREACH(outputs, l, output)
     {
        E_Randr2_Screen *s;
        const Eina_List *m;
        Ecore_Drm2_Output_Mode *omode;
        E_Config_Randr2_Screen *cs = NULL;
        unsigned int *crtcs;
        int priority = 0, num = 0, j = 0;
        Eina_Bool ok = EINA_FALSE;
        Eina_Bool possible = EINA_FALSE;

        if (!ecore_drm2_output_connected_get(output))
          continue;

        s = E_NEW(E_Randr2_Screen, 1);
        if (!s) continue;

        s->info.name = ecore_drm2_output_name_get(output);
        printf("DRM2 RRR: .... out %s\n", s->info.name);

        s->info.connected = ecore_drm2_output_connected_get(output);
        printf("DRM2 RRR: ...... connected %i\n", s->info.connected);

        s->info.screen = ecore_drm2_output_model_get(output);

        s->info.edid = ecore_drm2_output_edid_get(output);
        if (s->info.edid)
          s->id = malloc(strlen(s->info.name) + 1 + strlen(s->info.edid) + 1);
        else
          s->id = malloc(strlen(s->info.name) + 1 + 1);
        if (!s->id)
          {
             free(s->info.name);
             free(s->info.screen);
             free(s->info.edid);
             free(s);
             continue;
          }
        strcpy(s->id, s->info.name);
        strcat(s->id, "/");
        if (s->info.edid) strcat(s->id, s->info.edid);

        printf("DRM2 RRR: Created Screen: %s\n", s->id);

        type = MIN(ecore_drm2_output_connector_type_get(output),
                   EINA_C_ARRAY_LENGTH(conn_types) - 1);
        s->info.connector = rtype[type];
        s->info.is_lid = ((type == DRM_MODE_CONNECTOR_LVDS) ||
                          (type == DRM_MODE_CONNECTOR_eDP));
        s->info.lid_closed = (s->info.is_lid && e_acpi_lid_is_closed());
        printf("DRM2 RRR: ...... lid_closed = %i (%i && %i)\n",
               s->info.lid_closed, s->info.is_lid, e_acpi_lid_is_closed());

        s->info.backlight = ecore_drm2_output_backlight_get(output);
        s->info.subpixel = ecore_drm2_output_subpixel_get(output);

        ecore_drm2_output_physical_size_get(output, &s->info.size.w,
                                            &s->info.size.h);

        EINA_LIST_FOREACH(ecore_drm2_output_modes_get(output), m, omode)
          {
             E_Randr2_Mode *rmode;
             unsigned int flags, refresh;

             rmode = malloc(sizeof(E_Randr2_Mode));
             if (!rmode) continue;

             ecore_drm2_output_mode_info_get(omode, &rmode->w, &rmode->h,
                                             &refresh, &flags);

             rmode->refresh = refresh;
             rmode->preferred = (flags & DRM_MODE_TYPE_PREFERRED);

             s->info.modes = eina_list_append(s->info.modes, rmode);
          }

        e_randr2_screen_modes_sort(s);

        if (e_randr2_cfg)
          cs = e_randr2_config_screen_find(s, e_randr2_cfg);
        if (cs)
          priority = cs->priority;
        else if (ecore_drm2_output_primary_get(output))
          priority = 100;
        s->config.priority = priority;

        crtcs = ecore_drm2_device_crtcs_get(dev, &num);
        for (j = 0; j < num; j++)
          {
             if (crtcs[j] == ecore_drm2_output_crtc_get(output))
               {
                  ok = EINA_TRUE;
                  break;
               }
          }

        if (!ok)
          {
             /* get possible crtcs, compare to output_crtc_get */
             for (j = 0; j < num; j++)
               {
                  if (ecore_drm2_output_possible_crtc_get(output, crtcs[j]))
                    {
                       ok = EINA_TRUE;
                       possible = EINA_TRUE;
                       break;
                    }
               }
          }

        if (ok)
          {
             int rotations, outrot;

             if (!possible)
               {
                  unsigned int refresh;

                  e_drm2_output_info_get(output,
                                         &s->config.geom.x,
                                         &s->config.geom.y,
                                         &s->config.geom.w,
                                         &s->config.geom.h,
                                         &refresh);
                  s->config.mode.w = s->config.geom.w;
                  s->config.mode.h = s->config.geom.h;
                  s->config.mode.refresh = refresh;
                  s->config.enabled =
                    ((s->config.mode.w != 0) && (s->config.mode.h != 0));

                  printf("DRM2 RRR: '%s' %i %i %ix%i\n", s->info.name,
                         s->config.geom.x, s->config.geom.y,
                         s->config.geom.w, s->config.geom.h);
               }

             outrot = e_drm2_output_rotation_get(output);
             if (outrot & ECORE_DRM2_ROTATION_NORMAL)
               s->config.rotation = 0;
             else if (outrot & ECORE_DRM2_ROTATION_90)
               s->config.rotation = 90;
             else if (outrot & ECORE_DRM2_ROTATION_180)
               s->config.rotation = 180;
             else if (outrot & ECORE_DRM2_ROTATION_270)
               s->config.rotation = 270;
             else
               {
                  printf("DRM2 RRR: caution - rotation flags empty - assume 0\n");
                  s->config.rotation = 0;
               }

            printf("DRM2 RRR: drm output rotation=%i\n", s->config.rotation);

             s->info.can_rot_0 = EINA_FALSE;
             s->info.can_rot_90 = EINA_FALSE;
             s->info.can_rot_180 = EINA_FALSE;
             s->info.can_rot_270 = EINA_FALSE;

             rotations =
               ecore_drm2_output_supported_rotations_get(output);
             if (!(rotations &
                   (ECORE_DRM2_ROTATION_NORMAL | ECORE_DRM2_ROTATION_90 |
                    ECORE_DRM2_ROTATION_180 | ECORE_DRM2_ROTATION_270)))
               rotations |= ECORE_DRM2_ROTATION_NORMAL;

             if (rotations & ECORE_DRM2_ROTATION_NORMAL)
               s->info.can_rot_0 = EINA_TRUE;
             if (rotations & ECORE_DRM2_ROTATION_90)
               s->info.can_rot_90 = EINA_TRUE;
             if (rotations & ECORE_DRM2_ROTATION_180)
               s->info.can_rot_180 = EINA_TRUE;
             if (rotations & ECORE_DRM2_ROTATION_270)
               s->info.can_rot_270 = EINA_TRUE;

             if (cs)
               {
                  if (cs->profile)
                    s->config.profile = strdup(cs->profile);
                  else
                    s->config.profile = NULL;
                  s->config.scale_multiplier = cs->scale_multiplier;
               }
          }

        zone = e_zone_for_id_get(s->id);
        if ((zone) && (!zone->output)) zone->output = s;

        r->screens = eina_list_append(r->screens, s);
     }

   _e_mod_drm_relative_fixup(r);

   return r;
}

static Ecore_Drm2_Output *
_drm2_output_find(const Eina_List *outputs, const char *oname)
{
   const Eina_List *l;
   Ecore_Drm2_Output *output = NULL;

   EINA_LIST_FOREACH(outputs, l, output)
     {
        char *name;

        name = ecore_drm2_output_name_get(output);
        if (!name) continue;

        if (!strcmp(name, oname))
          {
             free(name);
             return output;
          }

        free(name);
     }

   return NULL;
}

static Ecore_Drm2_Output_Mode *
_drm2_mode_screen_find(E_Randr2_Screen *s, Ecore_Drm2_Output *output)
{
   Ecore_Drm2_Output_Mode *mode, *m = NULL;
   const Eina_List *l;
   int diff, distance = 0x7fffffff;

   EINA_LIST_FOREACH(ecore_drm2_output_modes_get(output), l, mode)
     {
        int width, height;
        unsigned int refresh;

        ecore_drm2_output_mode_info_get(mode, &width, &height, &refresh, NULL);

        diff = (100 * abs(s->config.mode.w - width)) +
          (100 * abs(s->config.mode.h - height)) +
          fabs((100 * s->config.mode.refresh) - (100 * refresh));
        if (diff < distance)
          {
             m = mode;
             distance = diff;
          }
     }

   return m;
}

static void
_drm2_output_primary_set(const Eina_List *outputs, Ecore_Drm2_Output *output)
{
   const Eina_List *l;
   Ecore_Drm2_Output *o;

   EINA_LIST_FOREACH(outputs, l, o)
     {
        if (o == output)
          ecore_drm2_output_primary_set(output, EINA_TRUE);
        else
          ecore_drm2_output_primary_set(output, EINA_FALSE);
     }
}

static Eina_Bool
_drm2_rotation_exists(Ecore_Drm2_Output *output, int rot)
{
   int rots;

   rots = ecore_drm2_output_supported_rotations_get(output);
   printf("RRR: DRM2 ..... rots for %p rots=%x input=%x\n", output, rots, rot);
   // hack for ... broken drivers that don't say anything about rotations
   if (!(rots &
         (ECORE_DRM2_ROTATION_NORMAL | ECORE_DRM2_ROTATION_90 |
          ECORE_DRM2_ROTATION_180 | ECORE_DRM2_ROTATION_270)))
     rots |= ECORE_DRM2_ROTATION_NORMAL;
   if (rots >= 0)
     {
        if ((rot == 0) && (rots & ECORE_DRM2_ROTATION_NORMAL))
          return EINA_TRUE;
        if ((rot == 90) && (rots & ECORE_DRM2_ROTATION_90))
          return EINA_TRUE;
        if ((rot == 180) && (rots & ECORE_DRM2_ROTATION_180))
          return EINA_TRUE;
        if ((rot == 270) && (rots & ECORE_DRM2_ROTATION_270))
          return EINA_TRUE;
     }

   printf("RRR: DRM2 ..... no rot matches!\n");
   return EINA_FALSE;
}

static void
_drm2_randr_apply(Eina_Bool can_skip EINA_UNUSED)
{
   Ecore_Drm2_Device *dev;
   Ecore_Drm2_Output **outconf, *out;
   int nw = 0, nh = 0;
   int minw, minh, maxw, maxh;
   int rot;
   unsigned int *crtcs = NULL;
   int num_crtcs = 0, numout = 0;
   const Eina_List *outputs = NULL;
   E_Randr2_Screen **screenconf;

   /* get drm device */
   dev = ecore_evas_data_get(e_comp->ee, "device");
   if (!dev) return;

   nw = e_randr2->w;
   nh = e_randr2->h;

   /* get screen size range */
   ecore_drm2_device_screen_size_range_get(dev, &minw, &minh, &maxw, &maxh);
   printf("RRR: size range: %ix%i -> %ix%i\n", minw, minh, maxw, maxh);

   crtcs = ecore_drm2_device_crtcs_get(dev, &num_crtcs);
   outputs = ecore_drm2_outputs_get(dev);

   if ((crtcs) && (outputs))
     {
        E_Randr2_Screen *s;
        Eina_List *l;
        int top_priority = 0, i;

        outconf = alloca(num_crtcs * sizeof(Ecore_Drm2_Output *));
        screenconf = alloca(num_crtcs * sizeof(E_Randr2_Screen *));
        memset(outconf, 0, num_crtcs * sizeof(Ecore_Drm2_Output *));
        memset(screenconf, 0, num_crtcs * sizeof(E_Randr2_Screen *));

        /* decide which outputs gets which crtcs */
        EINA_LIST_FOREACH(e_randr2->screens, l, s)
          {
             printf("RRR: find output for '%s'\n", s->info.name);

             if (!s->config.configured)
               {
                  printf("RRR: unconfigured screen: %s\n", s->info.name);
                  continue;
               }

             out = _drm2_output_find(outputs, s->info.name);
             if (out)
               {
                  printf("RRR:   enabled: %i\n", s->config.enabled);
                  if (s->config.enabled)
                    {
                       if (s->config.priority > top_priority)
                         top_priority = s->config.priority;

                       for (i = 0; i < num_crtcs; i++)
                         {
                            if (!outconf[i])
                              {
                                 printf("RRR:   crtc slot empty: %i\n", i);
                                 if (ecore_drm2_output_possible_crtc_get(out, crtcs[i]))
                                   {
                                      printf("RRR:     output is possible...\n");
                                      if (_drm2_rotation_exists(out, s->config.rotation))
                                        {
                                           printf("RRR:       assign slot out: %p\n", out);
                                           outconf[i] = out;
                                           screenconf[i] = s;
                                           break;
                                        }
                                   }
                              }
                         }
                    }
               }
          }

        numout = 0;
        for (i = 0; i < num_crtcs; i++)
          if (outconf[i]) numout++;

        if (numout)
          {
             for (i = 0; i < num_crtcs; i++)
               {
                  if (outconf[i])
                    {
                       Ecore_Drm2_Output_Mode *mode;
                       Ecore_Drm2_Rotation orient = ECORE_DRM2_ROTATION_NORMAL;

                       mode = _drm2_mode_screen_find(screenconf[i], outconf[i]);
                       if (screenconf[i]->config.rotation == 0)
                         orient = ECORE_DRM2_ROTATION_NORMAL;
                       else if (screenconf[i]->config.rotation == 90)
                         orient = ECORE_DRM2_ROTATION_90;
                       else if (screenconf[i]->config.rotation == 180)
                         orient = ECORE_DRM2_ROTATION_180;
                       else if (screenconf[i]->config.rotation == 270)
                         orient = ECORE_DRM2_ROTATION_270;

                       printf("RRR: crtc on: %i = '%s'     @ %i %i    - %ix%i orient %i mode %p out %p\n",
                              i, screenconf[i]->info.name,
                              screenconf[i]->config.geom.x,
                              screenconf[i]->config.geom.y,
                              screenconf[i]->config.geom.w,
                              screenconf[i]->config.geom.h,
                              orient, mode, outconf[i]);

                       ecore_drm2_output_mode_set(outconf[i], mode,
                                                  screenconf[i]->config.geom.x,
                                                  screenconf[i]->config.geom.y);

                       ecore_drm2_output_relative_to_set(outconf[i],
                                                         screenconf[i]->config.relative.to);
                       ecore_drm2_output_relative_mode_set(outconf[i],
                                                           screenconf[i]->config.relative.mode);

                       if (screenconf[i]->config.priority == top_priority)
                         {
                            _drm2_output_primary_set(outputs, outconf[i]);
                            top_priority = -1;
                         }

                       ecore_drm2_output_enabled_set(outconf[i],
                                                     screenconf[i]->config.enabled);

                       e_drm2_output_rotation_set(outconf[i], orient);

                       ecore_evas_rotation_with_resize_set(e_comp->ee,
                                                           screenconf[i]->config.rotation);
                    }
                  else
                    {
                       printf("RRR: crtc off: %i\n", i);
                       /* FIXME: Need new drm2 API to disable crtc...
                        * one which Does Not Take an Output as param */
                    }
               }
          }
     }

   /* free(outputs); */
   /* free(crtcs); */

   if (nw > maxw) nw = maxw;
   if (nh > maxh) nh = maxh;
   if (nw < minw) nw = minw;
   if (nh < minh) nh = minh;
   printf("RRR: set vsize: %ix%i, rot=%i\n", nw, nh, ecore_evas_rotation_get(e_comp->ee));
   ecore_drm2_device_calibrate(dev, nw, nh);
   rot = ecore_evas_rotation_get(e_comp->ee);
   if ((rot == 90) || (rot == 270))
     ecore_drm2_device_pointer_max_set(dev, nh, nw);
   else
     ecore_drm2_device_pointer_max_set(dev, nw, nh);
   ecore_drm2_device_pointer_rotation_set(dev, rot);

   if (!e_randr2_cfg->ignore_hotplug_events)
     e_randr2_screen_refresh_queue(EINA_FALSE);
}

static void
_drm2_dpms(int set)
{
   Eina_List *l;
   E_Randr2_Screen *s;
   Ecore_Drm2_Device *dev;
   const Eina_List *outputs, *ll;
   Ecore_Drm2_Output *output;

   dev = ecore_evas_data_get(e_comp->ee, "device");
   if (!dev) return;

   outputs = ecore_drm2_outputs_get(dev);
   if (!outputs) return;

   EINA_LIST_FOREACH(e_randr2->screens, l, s)
     {
        EINA_LIST_FOREACH(outputs, ll, output)
          {
             char *name;

             name = ecore_drm2_output_name_get(output);
             if (!name) continue;

             if (!strcmp(name, s->info.name))
               {
                  if ((!s->config.configured) || s->config.enabled)
                    if (ecore_drm2_output_dpms_get(output) != set)
                      ecore_drm2_output_dpms_set(output, set);
               }

             free(name);
          }
     }
}

static Eina_Bool
_drm2_key_down(Ecore_Event_Key *ev)
{
   int code;

   code = (ev->keycode - 8);

   if ((ev->modifiers & ECORE_EVENT_MODIFIER_CTRL) &&
       ((ev->modifiers & ECORE_EVENT_MODIFIER_ALT) ||
           (ev->modifiers & ECORE_EVENT_MODIFIER_ALTGR)) &&
       (code >= KEY_F1) && (code <= KEY_F8))
     {
        Ecore_Drm2_Device *dev;
        int vt;

        vt = (code - KEY_F1 + 1);

        dev = ecore_evas_data_get(e_comp->ee, "device");
        if (dev)
          {
             ecore_drm2_device_vt_set(dev, vt);
             return EINA_TRUE;
          }
     }

   return EINA_FALSE;
}

static Eina_Bool
_drm2_key_up(Ecore_Event_Key *ev)
{
   (void)ev;
   return EINA_FALSE;
}

static Eina_Bool
_drm_randr_available(void)
{
   return EINA_TRUE;
}

static Eina_Bool
_drm2_cb_seat_caps(void *data EINA_UNUSED, int type EINA_UNUSED, void *event)
{
   Elput_Event_Seat_Caps *ev;

   ev = event;

   if (ev->pointer_count <= 0)
     {
        e_pointer_hide(e_comp->pointer);
        e_comp_wl_input_pointer_enabled_set(EINA_FALSE);
     }
   else if (ev->pointer_count > 0)
     {
        e_mouse_update();
        e_comp_wl_input_pointer_enabled_set(EINA_TRUE);
        e_pointer_show(e_comp->pointer);
     }

   if (ev->keyboard_count <= 0)
     e_comp_wl_input_keyboard_enabled_set(EINA_FALSE);
   else if (ev->keyboard_count > 0)
     e_comp_wl_input_keyboard_enabled_set(EINA_TRUE);

   if (ev->touch_count <= 0)
     e_comp_wl_input_touch_enabled_set(EINA_FALSE);
   else if (ev->touch_count > 0)
     e_comp_wl_input_touch_enabled_set(EINA_TRUE);

   return ECORE_CALLBACK_RENEW;
}

static void
_drm2_init(void)
{
   seat_handler =
     ecore_event_handler_add(ELPUT_EVENT_SEAT_CAPS, _drm2_cb_seat_caps, NULL);
}

static void
_drm2_shutdown(void)
{
   ecore_event_handler_del(seat_handler);
}

static E_Comp_Screen_Iface drmiface =
{
   .available = _drm_randr_available,
   .init = _drm2_init,
   .shutdown = _drm2_shutdown,
   .create = _drm2_randr_create,
   .apply = _drm2_randr_apply,
   .dpms = _drm2_dpms,
   .key_down = _drm2_key_down,
   .key_up = _drm2_key_up,
   .relative_motion = EINA_TRUE,
   .backlight_enabled = EINA_TRUE,
};

static Eina_Bool
_pointer_motion(void *d EINA_UNUSED, int t EINA_UNUSED, Elput_Event_Pointer_Motion *ev)
{
   e_comp_wl_extension_relative_motion_event(ev->time_usec, ev->dx, ev->dy,
                                             ev->dx_unaccel, ev->dy_unaccel);
   return ECORE_CALLBACK_RENEW;
}

static void
_drm_device_del(void *data EINA_UNUSED, const Efl_Event *event)
{
   Eo *seat = event->info;

   if (efl_input_device_type_get(event->info) == EFL_INPUT_DEVICE_TYPE_SEAT) return;
   seat = efl_input_device_seat_get(event->info);

   if (seat != evas_default_device_get(e_comp->evas, EFL_INPUT_DEVICE_TYPE_SEAT)) return;
#ifdef EFL_VERSION_1_23
   if (!efl_input_device_is_pointer_type_get(event->info)) return;
   if (efl_input_device_pointer_device_count_get(seat) == 1)
     ecore_evas_cursor_device_unset(e_comp->ee, event->info);
#else
   if (!efl_input_device_has_pointer_caps(event->info)) return;
   if (efl_input_device_has_pointer_caps(seat) == 1)
     ecore_evas_cursor_device_unset(e_comp->ee, event->info);
#endif
}

E_API void *
e_modapi_init(E_Module *m)
{
   int w = 0, h = 0;

   static Efl_Callback_Array_Item arr[2] = { { 0, _drm_device_del } };

   printf("LOAD WL_DRM MODULE\n");

   /* try to init ecore_drm */
   /* if (!ecore_drm_init()) */
   /*   { */
   /*      fprintf(stderr, "Could not initialize ecore_drm"); */
   /*      return NULL; */
   /*   } */

   if (!e_drm2_compat_init()) return NULL;

   if (e_comp_config_get()->engine == E_COMP_ENGINE_GL)
     {
        e_comp->ee = ecore_evas_new("gl_drm", 0, 0, 1, 1, NULL);
        e_comp_gl_set(!!e_comp->ee);
     }

   /* fallback to framebuffer drm (non-accel) */
   if (!e_comp->ee)
     {
        if ((e_comp->ee = ecore_evas_new("drm", 0, 0, 1, 1, NULL)))
          {
             e_comp_gl_set(EINA_FALSE);
             elm_config_accel_preference_set("none");
             elm_config_accel_preference_override_set(EINA_TRUE);
             elm_config_all_flush();
             elm_config_save();
          }
        else
          {
             fprintf(stderr, "Could not create ecore_evas_drm canvas\n");
             return NULL;
          }
     }

   ecore_evas_data_set(e_comp->ee, "comp", e_comp);

   e_comp->screen = &drmiface;

   if (!e_comp_wl_init()) return NULL;

   /* get the current screen geometry */
   ecore_evas_screen_geometry_get(e_comp->ee, NULL, NULL, &w, &h);
   if (!e_comp_canvas_init(w, h)) return NULL;

#ifdef EFL_VERSION_1_21
   arr[0].desc = EFL_CANVAS_SCENE_EVENT_DEVICE_REMOVED;
#else
   if (E_EFL_VERSION_MINIMUM(1, 20, 99))
     arr[0].desc = dlsym(NULL, "_EFL_CANVAS_SCENE_EVENT_DEVICE_REMOVED");
   if (!arr[0].desc)
     arr[0].desc = dlsym(NULL, "_EFL_CANVAS_EVENT_DEVICE_REMOVED");
#endif
   ecore_evas_pointer_xy_get(e_comp->ee, &e_comp_wl->ptr.x,
                             &e_comp_wl->ptr.y);
   evas_event_feed_mouse_in(e_comp->evas, 0, NULL);

   e_comp_wl_input_pointer_enabled_set(EINA_TRUE);
   e_comp_wl_input_keyboard_enabled_set(EINA_TRUE);
   e_comp_wl_input_touch_enabled_set(EINA_TRUE);

   e_comp->pointer = e_pointer_canvas_new(e_comp->ee, EINA_TRUE);
   e_comp->pointer->color = EINA_TRUE;

   activate_handler =
      ecore_event_handler_add(ECORE_DRM2_EVENT_ACTIVATE,
                              _e_mod_drm_cb_activate, NULL);

   output_handler =
      ecore_event_handler_add(ECORE_DRM2_EVENT_OUTPUT_CHANGED,
                              _e_mod_drm_cb_output, NULL);

   input_handler =
     ecore_event_handler_add(ELPUT_EVENT_POINTER_MOTION,
                             (Ecore_Event_Handler_Cb)_pointer_motion, NULL);

   efl_event_callback_array_priority_add(e_comp->evas, arr,
                                         EFL_CALLBACK_PRIORITY_BEFORE, NULL);

   return m;
}

E_API int
e_modapi_shutdown(E_Module *m EINA_UNUSED)
{
   if (output_handler) ecore_event_handler_del(output_handler);
   output_handler = NULL;

   if (activate_handler) ecore_event_handler_del(activate_handler);
   activate_handler = NULL;

   E_FREE_FUNC(input_handler, ecore_event_handler_del);
   e_drm2_compat_shutdown();
   return 1;
}