From be20f7d96c4bc2d4c9a9f5dc6dbc754d0aafa881 Mon Sep 17 00:00:00 2001
From: Mike Blumenkrantz <zmike@osg.samsung.com>
Date: Fri, 4 Aug 2017 16:17:53 -0400
Subject: [PATCH] efl-wl: support min/max hinting

@feature
---
 src/lib/efl_wl/Efl_Wl.h |  8 ++++++++
 src/lib/efl_wl/efl_wl.c | 51 +++++++++++++++++++++++++++++++++++++++++++++++--
 2 files changed, 57 insertions(+), 2 deletions(-)

diff --git a/src/lib/efl_wl/Efl_Wl.h b/src/lib/efl_wl/Efl_Wl.h
index 51bcc43..8b28309 100644
--- a/src/lib/efl_wl/Efl_Wl.h
+++ b/src/lib/efl_wl/Efl_Wl.h
@@ -114,6 +114,14 @@ EAPI void efl_wl_scale_set(Evas_Object *obj, double scale);
  * @param set Whether to enable aspect setting
  */
 EAPI void efl_wl_aspect_set(Evas_Object *obj, Eina_Bool set);
+
+/**
+ * Transfer min/max hints from top-most surface onto the efl_wl object
+ *
+ * @param obj The compositor widget
+ * @param set Whether to enable min/max setting
+ */
+EAPI void efl_wl_minmax_set(Evas_Object *obj, Eina_Bool set);
 #endif
 
 #endif
diff --git a/src/lib/efl_wl/efl_wl.c b/src/lib/efl_wl/efl_wl.c
index 2a78282..575012e 100644
--- a/src/lib/efl_wl/efl_wl.c
+++ b/src/lib/efl_wl/efl_wl.c
@@ -144,6 +144,7 @@ typedef struct Comp
    Eina_Bool x11_selection : 1;
    Eina_Bool rtl : 1;
    Eina_Bool aspect : 1;
+   Eina_Bool minmax : 1;
 } Comp;
 
 typedef struct Comp_Data_Device_Source Comp_Data_Device_Source;
@@ -1168,6 +1169,19 @@ shell_surface_activate_recurse(Comp_Surface *cs)
 }
 
 static void
+shell_surface_minmax_update(Comp_Surface *cs)
+{
+   int w, h;
+
+   if (!cs) return;
+   if (!cs->c->minmax) return;
+   evas_object_size_hint_min_get(cs->obj, &w, &h);
+   evas_object_size_hint_min_set(cs->c->obj, w, h);
+   evas_object_size_hint_max_get(cs->obj, &w, &h);
+   evas_object_size_hint_max_set(cs->c->obj, w, h);
+}
+
+static void
 shell_surface_aspect_update(Comp_Surface *cs)
 {
    Evas_Aspect_Control aspect;
@@ -1225,6 +1239,7 @@ shell_surface_send_configure(Comp_Surface *cs)
           if (ccs->shell.surface && ccs->role && ccs->shell.popup)
             ccs->shell.activated = cs->shell.activated;
         shell_surface_aspect_update(cs);
+        shell_surface_minmax_update(cs);
      }
    else
      shell_surface_deactivate_recurse(cs);
@@ -3080,10 +3095,25 @@ static void
 shell_surface_toplevel_move(){}
 static void
 shell_surface_toplevel_resize(){}
+
 static void
-shell_surface_toplevel_set_max_size(){}
+shell_surface_toplevel_set_max_size(struct wl_client *client EINA_UNUSED, struct wl_resource *resource, int32_t w, int32_t h)
+{
+   Comp_Surface *cs = wl_resource_get_user_data(resource);
+   evas_object_size_hint_max_set(cs->obj, w, h);
+   if (cs == cs->c->active_surface)
+     shell_surface_minmax_update(cs);
+}
+
 static void
-shell_surface_toplevel_set_min_size(){}
+shell_surface_toplevel_set_min_size(struct wl_client *client EINA_UNUSED, struct wl_resource *resource, int32_t w, int32_t h)
+{
+   Comp_Surface *cs = wl_resource_get_user_data(resource);
+   evas_object_size_hint_min_set(cs->obj, w, h);
+   if (cs == cs->c->active_surface)
+     shell_surface_minmax_update(cs);
+}
+
 static void
 shell_surface_toplevel_set_maximized(){}
 static void
@@ -5373,3 +5403,20 @@ efl_wl_aspect_set(Evas_Object *obj, Eina_Bool set)
    else
      evas_object_size_hint_aspect_set(obj, EVAS_ASPECT_CONTROL_NONE, 0, 0);
 }
+
+void
+efl_wl_minmax_set(Evas_Object *obj, Eina_Bool set)
+{
+   Comp *c;
+
+   if (!eina_streq(evas_object_type_get(obj), "comp")) abort();
+   c = evas_object_smart_data_get(obj);
+   c->minmax = !!set;
+   if (c->minmax)
+     shell_surface_minmax_update(c->active_surface);
+   else
+     {
+        evas_object_size_hint_min_set(obj, 0, 0);
+        evas_object_size_hint_max_set(obj, -1, -1);
+     }
+}
-- 
2.7.4