From b0dde0d92d232be0de7d57c4f02e001311b35138 Mon Sep 17 00:00:00 2001
From: Christopher Michael <cpmichael1@comcast.net>
Date: Wed, 29 Feb 2012 21:00:38 +0000
Subject: [PATCH] Ecore_Evas (wayland): Implement alpha_set, transparent_set,
 and ignore_events for ecore_evas_wayland_shm.

NB: I have to code for egl done, but am tracking a segfault when we
set alpha :/



SVN revision: 68558
---
 .../lib/ecore_evas/ecore_evas_wayland_shm.c   | 59 ++++++++++++++++++-
 1 file changed, 56 insertions(+), 3 deletions(-)

diff --git a/legacy/ecore/src/lib/ecore_evas/ecore_evas_wayland_shm.c b/legacy/ecore/src/lib/ecore_evas/ecore_evas_wayland_shm.c
index f100072cc1..9fb310daf6 100644
--- a/legacy/ecore/src/lib/ecore_evas/ecore_evas_wayland_shm.c
+++ b/legacy/ecore/src/lib/ecore_evas/ecore_evas_wayland_shm.c
@@ -67,6 +67,9 @@ static void _ecore_evas_wl_layer_set(Ecore_Evas *ee, int layer);
 static void _ecore_evas_wl_iconified_set(Ecore_Evas *ee, int iconify);
 static void _ecore_evas_wl_maximized_set(Ecore_Evas *ee, int max);
 static void _ecore_evas_wl_fullscreen_set(Ecore_Evas *ee, int full);
+static void _ecore_evas_wl_ignore_events_set(Ecore_Evas *ee, int ignore);
+static void _ecore_evas_wl_alpha_set(Ecore_Evas *ee, int alpha);
+static void _ecore_evas_wl_transparent_set(Ecore_Evas *ee, int transparent);
 static int _ecore_evas_wl_render(Ecore_Evas *ee);
 static void _ecore_evas_wl_screen_geometry_get(const Ecore_Evas *ee __UNUSED__, int *x, int *y, int *w, int *h);
 static void _ecore_evas_wl_buffer_new(Ecore_Evas *ee, void **dest);
@@ -138,9 +141,9 @@ static Ecore_Evas_Engine_Func _ecore_wl_engine_func =
    NULL, // func avoid_damage set
    NULL, // func withdrawn set
    NULL, // func sticky set
-   NULL, // func ignore_events set
-   NULL, // func alpha set
-   NULL, // func transparent set
+   _ecore_evas_wl_ignore_events_set,
+   _ecore_evas_wl_alpha_set,
+   _ecore_evas_wl_transparent_set,
    NULL,
    NULL,
    NULL,
@@ -224,6 +227,8 @@ ecore_evas_wayland_shm_new(const char *disp_name, unsigned int parent, int x, in
    if (parent)
      p = ecore_wl_window_find(parent);
 
+   /* FIXME: Get if parent is alpha, and set */
+
    ee->engine.wl.parent = p;
    ee->engine.wl.win = 
      ecore_wl_window_new(p, x, y, w, h, ECORE_WL_WINDOW_BUFFER_TYPE_SHM);
@@ -712,6 +717,54 @@ _ecore_evas_wl_fullscreen_set(Ecore_Evas *ee, int full)
    ecore_wl_window_fullscreen_set(ee->engine.wl.win, full);
 }
 
+static void 
+_ecore_evas_wl_ignore_events_set(Ecore_Evas *ee, int ignore)
+{
+   LOGFN(__FILE__, __LINE__, __FUNCTION__);
+
+   if (!ee) return;
+   ee->ignore_events = ignore;
+   /* NB: Hmmm, may need to pass this to ecore_wl_window in the future */
+}
+
+static void 
+_ecore_evas_wl_alpha_set(Ecore_Evas *ee, int alpha)
+{
+   Evas_Engine_Info_Wayland_Shm *einfo;
+
+   LOGFN(__FILE__, __LINE__, __FUNCTION__);
+
+   if (!ee) return;
+   if ((ee->alpha == alpha)) return;
+   ee->alpha = alpha;
+   if ((einfo = (Evas_Engine_Info_Wayland_Shm *)evas_engine_info_get(ee->evas)))
+     {
+        einfo->info.destination_alpha = alpha;
+        if (!evas_engine_info_set(ee->evas, (Evas_Engine_Info *)einfo))
+          ERR("evas_engine_info_set() for engine '%s' failed.", ee->driver);
+        evas_damage_rectangle_add(ee->evas, 0, 0, ee->w, ee->h);
+     }
+}
+
+static void 
+_ecore_evas_wl_transparent_set(Ecore_Evas *ee, int transparent)
+{
+   Evas_Engine_Info_Wayland_Shm *einfo;
+
+   LOGFN(__FILE__, __LINE__, __FUNCTION__);
+
+   if (!ee) return;
+   if ((ee->transparent == transparent)) return;
+   ee->transparent = transparent;
+   if ((einfo = (Evas_Engine_Info_Wayland_Shm *)evas_engine_info_get(ee->evas)))
+     {
+        einfo->info.destination_alpha = transparent;
+        if (!evas_engine_info_set(ee->evas, (Evas_Engine_Info *)einfo))
+          ERR("evas_engine_info_set() for engine '%s' failed.", ee->driver);
+        evas_damage_rectangle_add(ee->evas, 0, 0, ee->w, ee->h);
+     }
+}
+
 static int 
 _ecore_evas_wl_render(Ecore_Evas *ee)
 {