add wl_x11 output module

this is the first of the wayland output modules, and it is extremely simple as a result of the compositor rewrite. for any other wayland output modules, it should be enough to simply create an ecore_evas canvas and do startup in this way.

configure.ac

@@ -761,39 +761,47 @@ define([CHECK_MODULE_BLUEZ4],
 AC_SUBST([EBLUEZ4_CFLAGS])
 AC_SUBST([EBLUEZ4_LIBS])
 
+have_wayland_only=no
+AC_ARG_ENABLE([wayland-only],
+  AS_HELP_STRING([--enable-wayland-only],[enable wayland-only version of enlightenment @<:@default=disabled@:>@]),
+  [e_cv_want_wayland_only=$enableval],
+  [e_cv_want_wayland_only=no])
+AC_MSG_CHECKING([whether wayland-only version is enabled])
+AC_MSG_RESULT([${e_cv_want_wayland_only}])
+
 have_wayland_clients=no
 AC_ARG_ENABLE([wayland-clients],
   AS_HELP_STRING([--enable-wayland-clients],[enable wayland clients in composite module @<:@default=disabled@:>@]),
   [e_cv_want_wayland_clients=$enableval],
   [e_cv_want_wayland_clients=no])
-
 AC_MSG_CHECKING([whether wayland client support is enabled])
 AC_MSG_RESULT([${e_cv_want_wayland_clients}])
 
-if test "x$e_cv_want_wayland_clients" != "xno";then
-  PKG_CHECK_MODULES([WAYLAND], [wayland-server >= 1.2.90 pixman-1 >= 0.3 xkbcommon >= 0.3.0],
+have_wayland_egl=no
+AC_ARG_ENABLE([wayland-egl],
+  AS_HELP_STRING([--enable-wayland-egl],[enable wayland to render using EGL @<:@default=disabled@:>@]),
+  [e_cv_want_wayland_egl=$enableval],
+  [e_cv_want_wayland_egl=no])
+AC_MSG_CHECKING([whether wayland EGL support is enabled])
+AC_MSG_RESULT([${e_cv_want_wayland_egl}])
+
+if test "x${e_cv_want_wayland_only}" != "xno" || test "x${e_cv_want_wayland_clients}" != "xno";then
+  PKG_CHECK_MODULES([WAYLAND], [ecore-wayland wayland-server pixman-1 xkbcommon],
     [
-      have_wayland_clients=yes
-      AC_DEFINE_UNQUOTED([HAVE_WAYLAND_CLIENTS],[1],[enable wayland client support])
+      have_wayland=yes
+      AC_DEFINE_UNQUOTED([HAVE_WAYLAND],[1],[enable wayland support])
     ],
-    [have_wayland_clients=no])
+    [have_wayland=no])
 else
-  have_wayland_clients=no
+  have_wayland=no
 fi
 
-AM_CONDITIONAL([HAVE_WAYLAND_CLIENTS], [test "x${have_wayland_clients}" = "xyes"])
-
-have_wayland_egl=no
-if test "x${have_wayland_clients}" = "xyes"; then
-  AC_ARG_ENABLE([wayland-egl],
-    AS_HELP_STRING([--enable-wayland-egl],[enable wayland clients to render using EGL @<:@default=disabled@:>@]),
-    [e_cv_want_wayland_egl=$enableval],
-    [e_cv_want_wayland_egl=no])
-
-  AC_MSG_CHECKING([whether wayland client EGL support is enabled])
-  AC_MSG_RESULT([${e_cv_want_wayland_egl}])
-
-  if test "x$e_cv_want_wayland_egl" != "xno";then
+if test "x${have_wayland}" = "xyes"; then
+  if test "x${e_cv_want_wayland_clients}" != "xno"; then
+    have_wayland_clients=yes
+    AC_DEFINE_UNQUOTED([HAVE_WAYLAND_CLIENTS],[1],[enable wayland clients in composite module])
+  fi
+  if test "x${e_cv_want_wayland_egl}" != "xno";then
     PKG_CHECK_MODULES([WAYLAND_EGL], [egl >= 7.10],
       [
         have_wayland_egl=yes
@@ -805,8 +813,30 @@ if test "x${have_wayland_clients}" = "xyes"; then
   fi
 fi
 
+AM_CONDITIONAL([HAVE_WAYLAND], [test "x${have_wayland}" = "xyes"])
+AM_CONDITIONAL([HAVE_WAYLAND_ONLY], [test "x${have_wayland_only}" = "xyes"])
+AM_CONDITIONAL([HAVE_WAYLAND_CLIENTS], [test "x${have_wayland_clients}" = "xyes"])
 AM_CONDITIONAL([HAVE_WAYLAND_EGL], [test "x${have_wayland_egl}" = "xyes"])
 
+PKG_CHECK_MODULES([ECORE_X], [ecore-x >= ${efl_version}])
+if test -n "$ECORE_X_CFLAGS" ; then
+   ecore_x=true
+else
+   ecore_x=false
+fi
+
+if test "x${have_wayland}" = "xyes" ; then
+   allow_wl_x11=true
+else
+   allow_wl_x11=false
+fi
+
+if test "x${ecore_x}" = "xtrue" && test -n "$WAYLAND_CFLAGS" ; then
+   wl_x11=true
+else
+   wl_x11=false
+fi
+
 define([CHECK_MODULE_WL_DESKTOP_SHELL],
 [
   if test "x${have_wayland_clients}" = "xyes"; then
@@ -817,16 +847,6 @@ define([CHECK_MODULE_WL_DESKTOP_SHELL],
 ])
 AM_CONDITIONAL([HAVE_WL_DESKTOP_SHELL], [test "x${WL_DESKTOP_SHELL}" = "xtrue"])
 
-define([CHECK_MODULE_WL_SCREENSHOT],
-[
-  if test "x${have_wayland_clients}" = "xyes"; then
-    AC_E_CHECK_PKG(WL_SCREENSHOT, [ ecore >= $efl_version ecore-wayland >= $efl_version eina >= $efl_version ], [WL_SCREENSHOT=true], [WL_SCREENSHOT=false])
-  else
-    WL_SCREENSHOT=false
-  fi
-])
-AM_CONDITIONAL([HAVE_WL_SCREENSHOT], [test "x${WL_SCREENSHOT}" = "xtrue"])
-
 AC_E_OPTIONAL_MODULE([ibar], true)
 AC_E_OPTIONAL_MODULE([clock], true)
 AC_E_OPTIONAL_MODULE([pager], true)
@@ -867,17 +887,18 @@ AC_E_OPTIONAL_MODULE([systray], true)
 AC_E_OPTIONAL_MODULE([appmenu], true)
 AC_E_OPTIONAL_MODULE([quickaccess], true)
 AC_E_OPTIONAL_MODULE([teamwork], true)
-AC_E_OPTIONAL_MODULE([shot], true)
+AC_E_OPTIONAL_MODULE([shot], true, $ecore_x)
 AC_E_OPTIONAL_MODULE([backlight], true)
 AC_E_OPTIONAL_MODULE([tasks], true)
-AC_E_OPTIONAL_MODULE([conf_randr], true)
-AC_E_OPTIONAL_MODULE([xkbswitch], true)
+AC_E_OPTIONAL_MODULE([conf_randr], true, $ecore_x)
+AC_E_OPTIONAL_MODULE([xkbswitch], true, $ecore_x)
 AC_E_OPTIONAL_MODULE([tiling], true)
-AC_E_OPTIONAL_MODULE([access], true)
+AC_E_OPTIONAL_MODULE([access], false, $ecore_x)
 AC_E_OPTIONAL_MODULE([music_control], true, [CHECK_MODULE_MUSIC_CONTROL])
-AC_E_OPTIONAL_MODULE([contact], true)
+AC_E_OPTIONAL_MODULE([contact], false)
 AC_E_OPTIONAL_MODULE([wl_desktop_shell], true, [CHECK_MODULE_WL_DESKTOP_SHELL])
-AC_E_OPTIONAL_MODULE([wl_screenshot], true, [CHECK_MODULE_WL_SCREENSHOT])
+AC_E_OPTIONAL_MODULE([wl_x11], $allow_wl_x11, $wl_x11)
+#AC_E_OPTIONAL_MODULE([wl_screenshot], true, [CHECK_MODULE_WL_SCREENSHOT])
 
 HALT="/sbin/shutdown -h now"
 REBOOT="/sbin/shutdown -r now"

src/bin/e_module.c

@@ -238,7 +238,9 @@ e_module_all_load(void)
      {
         if (!em) continue;
 
-        if ((!e_util_strcmp(em->name, "comp")) || (!e_util_strcmp(em->name, "conf_comp")))
+        if ((!e_util_strcmp(em->name, "comp")) || (!e_util_strcmp(em->name, "conf_comp")) ||
+            (e_comp_get(NULL) && (!strcmp(em->name, "wl_x11"))) //block wl_x11 if we've already created a compositor
+           )
           {
              eina_stringshare_del(em->name);
              e_config->modules = eina_list_remove_list(e_config->modules, l);
@@ -399,6 +401,12 @@ e_module_new(const char *name)
 init_done:
 
    _e_modules = eina_list_append(_e_modules, m);
+   if (!_e_modules_hash)
+     {
+        /* wayland module preloading */
+        if (!e_module_init())
+          CRI("WTFFFFF");
+     }
    eina_hash_add(_e_modules_hash, name, m);
    m->name = eina_stringshare_add(name);
    if (modpath)
@@ -912,6 +920,8 @@ _e_module_whitelist_check(void)
       "tiling",
       "winlist",
       "wizard",
+      "wl_desktop_shell",
+      "wl_x11",
       "wl_drm",
       "wl_screenshot",
       "wl_shell",

src/modules/Makefile.mk

@@ -222,6 +222,10 @@ if USE_MODULE_WL_DESKTOP_SHELL
 include src/modules/Makefile_wl_desktop_shell.mk
 endif
 
+if USE_MODULE_WL_X11
+include src/modules/Makefile_wl_x11.mk
+endif
+
 #if HAVE_WAYLAND_SCREENSHOT
 #include src/modules/Makefile_wl_screenshot.mk
 #endif

src/modules/Makefile_wl_x11.mk

@@ -0,0 +1,15 @@
+wl_x11dir = $(MDIR)/wl_x11
+
+wl_x11pkgdir = $(MDIR)/wl_x11/$(MODULE_ARCH)
+wl_x11pkg_LTLIBRARIES = src/modules/wl_x11/module.la
+
+src_modules_wl_x11_module_la_DEPENDENCIES = $(MDEPENDENCIES)
+src_modules_wl_x11_module_la_CPPFLAGS  = $(MOD_CPPFLAGS) @ECORE_X_CFLAGS@ @WAYLAND_CFLAGS@ -DNEED_X=1
+src_modules_wl_x11_module_la_LIBADD   = $(LIBS) @ECORE_X_LIBS@ @WAYLAND_LIBS@
+src_modules_wl_x11_module_la_LDFLAGS = $(MOD_LDFLAGS)
+src_modules_wl_x11_module_la_SOURCES = src/modules/wl_x11/e_mod_main.c
+
+# TODO: incomplete
+#.PHONY: wl_x11 install-wl_x11
+#wl_x11: $(wl_x11pkg_LTLIBRARIES) $(wl_x11_DATA)
+#install-wl_x11: install-wl_x11DATA install-wl_x11pkgLTLIBRARIES

src/modules/wl_x11/e_mod_main.c

@@ -0,0 +1,72 @@
+#include "e.h"
+#include "e_comp_wl.h"
+#include <Ecore_Wayland.h>
+
+EAPI E_Module_Api e_modapi = { E_MODULE_API_VERSION, "Wl_X11" };
+
+#define SCREEN_W 1024
+#define SCREEN_H 768
+
+static void
+_cb_delete_request(Ecore_Evas *ee EINA_UNUSED)
+{
+   ecore_main_loop_quit();
+}
+
+EAPI void *
+e_modapi_init(E_Module *m)
+{
+   Ecore_Evas *ee;
+   E_Screen *screen;
+   E_Comp *comp;
+
+   printf("LOAD WL_X11 MODULE\n");
+
+   /* try to init ecore_x */
+   if (!ecore_x_init(NULL))
+     {
+        fprintf(stderr, "Could not initialize ecore_x\n");
+        return NULL;
+     }
+
+   ee = ecore_evas_software_x11_new(NULL, 0, 0, 0, SCREEN_W, SCREEN_H);
+   comp = e_comp_new();
+   comp->comp_type = E_PIXMAP_TYPE_WL;
+   comp->ee = ee;
+   if (!e_xinerama_fake_screens_exist())
+     {
+        screen = E_NEW(E_Screen, 1);
+        screen->escreen = screen->screen = 0;
+        screen->x = 0;
+        screen->y = 0;
+        screen->w = SCREEN_W;
+        screen->h = SCREEN_H;
+        e_xinerama_screens_set(eina_list_append(NULL, screen));
+     }
+   comp->man = e_manager_new(0, comp, SCREEN_W, SCREEN_H);
+   comp->pointer = e_pointer_window_new(comp->man->root, 1);
+   e_comp_wl_init();
+   e_comp_canvas_init(comp);
+   e_comp_canvas_fake_layers_init(comp);
+
+   ecore_evas_callback_delete_request_set(ee, _cb_delete_request);
+
+   /* setup keymap_change event handler */
+   if (!_e_wl_comp->kbd_handler)
+     _e_wl_comp->kbd_handler = 
+       ecore_event_handler_add(ECORE_X_EVENT_XKB_STATE_NOTIFY, 
+                               e_comp_wl_cb_keymap_changed, NULL);
+
+   ecore_wl_init(NULL);
+   ecore_wl_server_mode_set(1);
+   return m;
+}
+
+EAPI int 
+e_modapi_shutdown(E_Module *m EINA_UNUSED)
+{
+   /* shutdown ecore_x */
+   ecore_x_shutdown();
+
+   return 1;
+}