feature: add layer_block client flag to bypass any layer/stacking checks and "just do it" for cool effects

this flag allows a client's layer to be changed instantly with no protocol-level checks or work, allowing compositor effects to do their work more easily

3 files changed, 33 insertions, 2 deletions

diff --git a/src/bin/e_client.c b/src/bin/e_client.c
index 103e3a88c4..d5bc844720 100644
--- a/src/bin/e_client.c
+++ b/src/bin/e_client.c
@@ -1337,7 +1337,8 @@ _e_client_cb_evas_resize(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_
 
    _e_client_zone_update(ec);
 
-   _e_client_hook_call(E_CLIENT_HOOK_RESIZE_UPDATE, ec);
+   if (e_client_resizing_get(ec))
+     _e_client_hook_call(E_CLIENT_HOOK_RESIZE_UPDATE, ec);
 }
 
 static void
@@ -1360,6 +1361,7 @@ _e_client_cb_evas_restack(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA
 {
    E_Client *ec = data;
 
+   if (ec->layer_block) return;
    if (e_config->transient.raise && ec->transients)
      {
         Eina_List *list = eina_list_clone(ec->transients);
diff --git a/src/bin/e_client.h b/src/bin/e_client.h
index f73b6771a8..ea43b18358 100644
--- a/src/bin/e_client.h
+++ b/src/bin/e_client.h
@@ -672,6 +672,7 @@ struct E_Client
    Eina_Bool tooltip : 1;
    Eina_Bool redirected : 1;
    Eina_Bool shape_changed : 1;
+   Eina_Bool layer_block : 1; // client is doing crazy stuff and should not be relayered in protocol
    Eina_Bool ignored : 1; // client is comp-ignored
    Eina_Bool no_shape_cut : 1; // client shape should not be cut
 };
diff --git a/src/bin/e_comp_object.c b/src/bin/e_comp_object.c
index a953babd03..83ade7e720 100644
--- a/src/bin/e_comp_object.c
+++ b/src/bin/e_comp_object.c
@@ -818,8 +818,16 @@ _e_comp_intercept_layer_set(void *data, Evas_Object *obj, int layer)
    unsigned int l = e_comp_canvas_layer_map(layer);
    int oldraise;
 
+   if (cw->ec->layer_block)
+     {
+        evas_object_layer_set(obj, layer);
+        if (layer == cw->ec->layer) //trying to put layer back
+          evas_object_stack_below(obj, cw->comp->layers[cw->layer].obj);
+        return;
+     }
    if (cw->layer == l) return;
-   if (e_comp_canvas_client_layer_map(layer) == 9999) return; //invalid layer for clients
+   if (e_comp_canvas_client_layer_map(layer) == 9999)
+     return; //invalid layer for clients not doing comp effects
    if (cw->ec->fullscreen)
      {
         cw->ec->saved.layer = layer;
@@ -896,6 +904,11 @@ _e_comp_intercept_stack_above(void *data, Evas_Object *obj, Evas_Object *above)
 
    EINA_SAFETY_ON_TRUE_RETURN(obj == above);
    if (evas_object_below_get(obj) == above) return;
+   if (cw->ec->layer_block)
+     {
+        evas_object_stack_above(obj, above);
+        return;
+     }
    if (cw->ec->new_client)
      layer = cw->ec->layer;
    else
@@ -982,6 +995,11 @@ _e_comp_intercept_stack_below(void *data, Evas_Object *obj, Evas_Object *below)
 
    EINA_SAFETY_ON_TRUE_RETURN(obj == below);
    if (evas_object_above_get(obj) == below) return;
+   if (cw->ec->layer_block)
+     {
+        evas_object_stack_below(obj, below);
+        return;
+     }
    if (cw->ec->new_client)
      layer = cw->ec->layer;
    else
@@ -1064,6 +1082,11 @@ _e_comp_intercept_lower(void *data, Evas_Object *obj)
    E_Comp_Object *cw = data;
    Evas_Object *o;
 
+   if (cw->ec->layer_block)
+     {
+        evas_object_lower(obj);
+        return;
+     }
    if (!EINA_INLIST_GET(cw->ec)->prev) return; //already lowest on layer
    o = evas_object_below_get(obj);
    _e_comp_object_layers_remove(cw);
@@ -1081,6 +1104,11 @@ _e_comp_intercept_raise(void *data, Evas_Object *obj)
    E_Comp_Object *cw = data;
    Evas_Object *o;
 
+   if (cw->ec->layer_block)
+     {
+        evas_object_raise(obj);
+        return;
+     }
    if (!EINA_INLIST_GET(cw->ec)->next) return;//already highest on layer
    {
       E_Client *ecabove = e_client_above_get(cw->ec);