[*][factory] add from upstream elementary

diff --git a/src/lib/Makefile.am b/src/lib/Makefile.am
index 43014c9..2fe5027 100644 (file)
--- a/src/lib/Makefile.am
+++ b/src/lib/Makefile.am
@@ -77,6 +77,7 @@ elm_dialoguegroup.c \
 elm_diskselector.c \
 elm_editfield.c \
 elm_entry.c \
+elm_factory.c \
 elm_flip.c \
 elm_flipselector.c \
 elm_font.c \

diff --git a/src/lib/elm_factory.c b/src/lib/elm_factory.c
new file mode 100644 (file)
index 0000000..3fa5787
--- /dev/null
+++ b/src/lib/elm_factory.c
@@ -0,0 +1,316 @@
+#include <Elementary.h>
+#include "elm_priv.h"
+
+// FIXME: handle if canvas resizes
+
+typedef struct _Widget_Data Widget_Data;
+
+struct _Widget_Data
+{
+   Evas_Object *obj;
+   Evas_Object *content;
+   int last_calc_count;
+   Evas_Coord maxminw, maxminh;
+   Eina_Bool eval : 1;
+   Eina_Bool szeval : 1;
+   Eina_Bool maxmin : 1;
+};
+
+static const char *widtype = NULL;
+static void _del_hook(Evas_Object *obj);
+static Eina_Bool _focus_next_hook(const Evas_Object *obj, Elm_Focus_Direction dir, Evas_Object **next);
+static void _sizing_eval(Evas_Object *obj);
+static void _eval(Evas_Object *obj);
+static void _changed(Evas_Object *obj);
+static void _move(void *data __UNUSED__, Evas *e __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__);
+static void _resize(void *data __UNUSED__, Evas *e __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__);
+static void _child_change(void *data __UNUSED__, Evas *e __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__);
+static void _child_del(void *data, Evas *e __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__);
+
+static const char SIG_REALIZE[] = "realize";
+static const char SIG_UNREALIZE[] = "unrealize";
+
+static const Evas_Smart_Cb_Description _signals[] = {
+   {SIG_REALIZE, ""},
+   {SIG_UNREALIZE, ""},
+   {NULL, NULL}
+};
+
+static int fac = 0;
+
+static void
+_del_hook(Evas_Object *obj)
+{
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+   if (wd->content)
+     {
+        Evas_Object *o = wd->content;
+
+        evas_object_event_callback_del_full(o,
+                                            EVAS_CALLBACK_CHANGED_SIZE_HINTS,
+                                            _child_change, obj);
+        evas_object_event_callback_del_full(o,
+                                            EVAS_CALLBACK_DEL,
+                                            _child_del, obj);
+        wd->content = NULL;
+        evas_object_del(o);
+        fac--;
+//        printf("FAC-- = %i\n", fac);
+     }
+   free(wd);
+}
+
+static Eina_Bool
+_focus_next_hook(const Evas_Object *obj, Elm_Focus_Direction dir, Evas_Object **next)
+{
+   Widget_Data *wd = elm_widget_data_get(obj);
+   Evas_Object *cur;
+
+   if ((!wd) || (!wd->content)) return EINA_FALSE;
+   cur = wd->content;
+   return elm_widget_focus_next_get(cur, dir, next);
+}
+
+static void
+_sizing_eval(Evas_Object *obj)
+{
+   Widget_Data *wd = elm_widget_data_get(obj);
+   Evas_Coord minw = -1, minh = -1, maxw = -1, maxh = -1;
+
+   if (!wd) return;
+   if (!wd->content) return;
+   evas_object_size_hint_min_get(wd->content, &minw, &minh);
+   evas_object_size_hint_max_get(wd->content, &maxw, &maxh);
+   if (wd->maxmin)
+     {
+        if (minw > wd->maxminw) wd->maxminw = minw;
+        if (minh > wd->maxminh) wd->maxminh = minh;
+        evas_object_size_hint_min_set(obj, wd->maxminw, wd->maxminh);
+     }
+   else
+     {
+        evas_object_size_hint_min_set(obj, minw, minh);
+     }
+   evas_object_size_hint_max_set(obj, maxw, maxh);
+//   printf("FAC SZ: %i %i | %i %i\n", minw, minh, maxw, maxh);
+}
+
+static void
+_eval(Evas_Object *obj)
+{
+   Evas_Coord x, y, w, h, cvx, cvy, cvw, cvh;
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+
+   evas_event_freeze(evas_object_evas_get(obj));
+   evas_object_geometry_get(obj, &x, &y, &w, &h);
+   if (w < 1) w = 1;
+   if (h < 1) h = 1;
+   evas_output_viewport_get(evas_object_evas_get(obj),
+                            &cvx, &cvy, &cvw, &cvh);
+   if ((cvw < 1) || (cvh < 1)) return;
+   // need some fuzz value thats beyond the current viewport
+   // for now just make it the viewport * 3 in size (so 1 vp in each direction)
+   /*
+   cvx -= cvw;
+   cvy -= cvh;
+   cvw *= 3;
+   cvh *= 3;
+    */
+   if (ELM_RECTS_INTERSECT(x, y, w, h, cvx, cvy, cvw, cvh))
+     {
+        if (!wd->content)
+          {
+//             printf("                 + %i %i %ix%i <> %i %i %ix%i\n", x, y, w, h, cvx, cvy, cvw, cvh);
+             evas_object_smart_callback_call(obj, SIG_REALIZE, NULL);
+             if (wd->content)
+               {
+                  if (evas_object_smart_data_get(wd->content))
+                     evas_object_smart_calculate(wd->content);
+               }
+             wd->last_calc_count =
+                evas_smart_objects_calculate_count_get(evas_object_evas_get(obj));
+          }
+     }
+   else
+     {
+        if (wd->content)
+          {
+             if (wd->last_calc_count !=
+                evas_smart_objects_calculate_count_get(evas_object_evas_get(obj)))
+                evas_object_smart_callback_call(obj, SIG_UNREALIZE, NULL);
+          }
+     }
+   evas_event_thaw(evas_object_evas_get(obj));
+   evas_event_thaw_eval(evas_object_evas_get(obj));
+}
+
+static void
+_changed(Evas_Object *obj)
+{
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+   if (wd->eval)
+     {
+        _eval(obj);
+        wd->eval = EINA_FALSE;
+     }
+   if (wd->szeval)
+     {
+        _sizing_eval(obj);
+        wd->szeval = EINA_FALSE;
+     }
+}
+
+static void
+_move(void *data __UNUSED__, Evas *e __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
+{
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+   wd->eval = EINA_TRUE;
+   evas_object_smart_changed(obj);
+}
+
+static void
+_resize(void *data __UNUSED__, Evas *e __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
+{
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+   wd->eval = EINA_TRUE;
+   evas_object_smart_changed(obj);
+}
+
+static void
+_child_change(void *data __UNUSED__, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
+{
+   Widget_Data *wd = elm_widget_data_get(data);
+   if (!wd) return;
+   wd->eval = EINA_TRUE;
+   wd->szeval = EINA_TRUE;
+   evas_object_smart_changed(data);
+}
+
+static void
+_child_del(void *data, Evas *e __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
+{
+   Evas_Object *fobj = data;
+   Widget_Data *wd = elm_widget_data_get(fobj);
+   if (!wd) return;
+   if (wd->content != obj) return;
+   evas_object_event_callback_del_full(wd->content,
+                                       EVAS_CALLBACK_CHANGED_SIZE_HINTS,
+                                       _child_change, obj);
+   evas_object_event_callback_del_full(wd->content,
+                                       EVAS_CALLBACK_DEL,
+                                       _child_del, obj);
+   wd->content = NULL;
+   fac--;
+//   printf("FAC-- = %i\n", fac);
+}
+
+EAPI Evas_Object *
+elm_factory_add(Evas_Object *parent)
+{
+   Evas_Object *obj;
+   Evas *e;
+   Widget_Data *wd;
+
+   ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
+
+   ELM_SET_WIDTYPE(widtype, "factory");
+   elm_widget_type_set(obj, "factory");
+   elm_widget_sub_object_add(parent, obj);
+   elm_widget_data_set(obj, wd);
+   elm_widget_del_hook_set(obj, _del_hook);
+   elm_widget_focus_next_hook_set(obj, _focus_next_hook);
+   elm_widget_can_focus_set(obj, EINA_FALSE);
+   elm_widget_changed_hook_set(obj, _changed);
+
+   evas_object_event_callback_add(obj, EVAS_CALLBACK_MOVE, _move, NULL);
+   evas_object_event_callback_add(obj, EVAS_CALLBACK_RESIZE, _resize, NULL);
+
+   evas_object_smart_callbacks_descriptions_set(obj, _signals);
+
+   wd->obj = obj;
+   wd->last_calc_count = -1;
+   return obj;
+}
+
+EAPI void
+elm_factory_content_set(Evas_Object *obj, Evas_Object *content)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype);
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+   if (wd->content == content) return;
+   if (wd->content)
+      {
+         Evas_Object *o = wd->content;
+
+         evas_object_event_callback_del_full(wd->content,
+                                             EVAS_CALLBACK_CHANGED_SIZE_HINTS,
+                                             _child_change, obj);
+         evas_object_event_callback_del_full(wd->content,
+                                             EVAS_CALLBACK_DEL,
+                                             _child_del, obj);
+         wd->content = NULL;
+         evas_object_del(o);
+         fac--;
+//         printf("FAC-- = %i\n", fac);
+      }
+   wd->content = content;
+   if (wd->content)
+     {
+        fac++;
+//        printf("FAC++ = %i\n", fac);
+        elm_widget_resize_object_set(obj, wd->content);
+        evas_object_event_callback_add(wd->content, EVAS_CALLBACK_DEL,
+                                       _child_del, obj);
+        evas_object_event_callback_add(wd->content, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
+                                       _child_change, obj);
+        wd->eval = EINA_TRUE;
+        wd->szeval = EINA_TRUE;
+        evas_object_smart_changed(obj);
+     }
+}
+
+EAPI Evas_Object *
+elm_factory_content_get(const Evas_Object *obj)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype) NULL;
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return NULL;
+   return wd->content;
+}
+
+EAPI void
+elm_factory_maxmin_mode_set(Evas_Object *obj, Eina_Bool enabled)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype);
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+   wd->maxmin = !!enabled;
+}
+
+EAPI Eina_Bool
+elm_factory_maxmin_mode_get(const Evas_Object *obj)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return EINA_FALSE;
+   return wd->maxmin;
+}
+
+EAPI void
+elm_factory_maxmin_reset_set(Evas_Object *obj)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype);
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+   wd->maxminw = 0;
+   wd->maxminh = 0;
+   wd->eval = EINA_TRUE;
+   wd->szeval = EINA_TRUE;
+   evas_object_smart_changed(obj);
+}