Efl.Ui.Grid.Static: Add implementation of simple grid

Summary:
Efl.Ui.Grid.Static uses virtual coordinates when arranging
its child objects. (like Evas.Grid)

Reviewers: jpeg

Subscribers: woohyun, cedric

Differential Revision: https://phab.enlightenment.org/D3989

7 files changed, 152 insertions, 57 deletions

diff --git a/src/Makefile_Elementary.am b/src/Makefile_Elementary.am
index 4f7dc08ba3..9034a8d068 100644
--- a/src/Makefile_Elementary.am
+++ b/src/Makefile_Elementary.am
@@ -118,6 +118,7 @@ elm_public_eolian_files = \
 	lib/elementary/efl_ui_box.eo \
 	lib/elementary/efl_ui_box_flow.eo \
 	lib/elementary/efl_ui_grid.eo \
+	lib/elementary/efl_ui_grid_static.eo \
 	lib/elementary/efl_ui_layout_internal_box.eo \
 	lib/elementary/efl_ui_layout_internal_table.eo \
 	lib/elementary/elm_button_internal_part.eo \
@@ -677,6 +678,8 @@ lib_elementary_libelementary_la_SOURCES = \
 	lib/elementary/efl_ui_box_layout.c \
 	lib/elementary/efl_ui_box_private.h \
 	lib/elementary/efl_ui_grid.c \
+	lib/elementary/efl_ui_grid_static.c \
+	lib/elementary/efl_ui_grid_private.h \
 	$(NULL)
 
 
diff --git a/src/lib/elementary/Elementary.h.in b/src/lib/elementary/Elementary.h.in
index 6f362ec974..dee412d985 100644
--- a/src/lib/elementary/Elementary.h.in
+++ b/src/lib/elementary/Elementary.h.in
@@ -272,6 +272,7 @@ EAPI extern Elm_Version *elm_version;
 # include <efl_ui_box.eo.h>
 # include <efl_ui_box_flow.eo.h>
 # include <efl_ui_grid.eo.h>
+# include <efl_ui_grid_static.eo.h>
 # include <efl_ui_image.eo.h>
 # include <efl_ui_win.eo.h>
 # include <efl_ui_win_standard.eo.h>
diff --git a/src/lib/elementary/Makefile.am b/src/lib/elementary/Makefile.am
index a553e074bc..13854bc928 100644
--- a/src/lib/elementary/Makefile.am
+++ b/src/lib/elementary/Makefile.am
@@ -125,6 +125,7 @@ elm_eolian_files = \
 	efl_ui_box.eo \
 	efl_ui_box_flow.eo \
 	efl_ui_grid.eo \
+	efl_ui_grid_static.eo \
 	efl_ui_layout_internal_box.eo \
 	efl_ui_layout_internal_table.eo \
 	$(NULL)
@@ -496,6 +497,7 @@ includesub_HEADERS = \
 	elm_win_standard.h \
 	elm_helper.h \
 	efl_ui_box_private.h \
+	efl_ui_grid_private.h \
 	$(NULL)
 
 includesubdir = $(includedir)/elementary-@VMAJ@/
@@ -627,6 +629,7 @@ libelementary_la_SOURCES = \
 	efl_ui_box_flow.c \
 	efl_ui_box_layout.c \
 	efl_ui_grid.c \
+	efl_ui_grid_static.c \
 	$(NULL)
 
 libelementary_la_CFLAGS = @ELEMENTARY_CFLAGS@
diff --git a/src/lib/elementary/efl_ui_grid.c b/src/lib/elementary/efl_ui_grid.c
index 66c8635455..0828caece9 100644
--- a/src/lib/elementary/efl_ui_grid.c
+++ b/src/lib/elementary/efl_ui_grid.c
@@ -1,65 +1,15 @@
-#ifdef HAVE_CONFIG_H
-# include "elementary_config.h"
-#endif
+#include "efl_ui_grid_private.h"
 
-#define EFL_PACK_LAYOUT_PROTECTED
-
-#include <Elementary.h>
-#include "elm_priv.h"
-
-#include "efl_ui_grid.eo.h"
 #include "../evas/canvas/evas_table.eo.h"
 
 #define MY_CLASS EFL_UI_GRID_CLASS
 #define MY_CLASS_NAME "Efl.Ui.Grid"
 
-typedef struct _Efl_Ui_Grid_Data Efl_Ui_Grid_Data;
-typedef struct _Grid_Item_Iterator Grid_Item_Iterator;
-typedef struct _Grid_Item Grid_Item;
 typedef struct _Custom_Table_Data Custom_Table_Data;
 
 static Eina_Bool _subobj_del_cb(void *data, const Eo_Event *event);
 static void _item_remove(Efl_Ui_Grid *obj, Efl_Ui_Grid_Data *pd, Efl_Gfx *subobj);
 
-#define GRID_ITEM_KEY "__grid_item"
-
-struct _Grid_Item
-{
-   EINA_INLIST;
-
-   Efl_Gfx *object;
-   int col_span, row_span;
-   int col, row;
-
-   Eina_Bool linear : 1;
-};
-
-struct _Efl_Ui_Grid_Data
-{
-   const Eo_Class *layout_engine;
-   const void     *layout_data;
-
-   Grid_Item *items;
-   int count;
-
-   int req_cols, req_rows; // requested - 0 means infinite
-   int last_col, last_row; // only used by linear apis
-   Efl_Orient dir1, dir2;  // must be orthogonal (H,V or V,H)
-   struct {
-      double h, v;
-      Eina_Bool scalable: 1;
-   } pad;
-   Eina_Bool linear_recalc : 1;
-};
-
-struct _Grid_Item_Iterator
-{
-   Eina_Iterator  iterator;
-   Eina_Iterator *real_iterator;
-   Eina_List     *list;
-   Efl_Ui_Grid    *object;
-};
-
 struct _Custom_Table_Data
 {
    Efl_Ui_Grid      *parent;
@@ -69,12 +19,6 @@ struct _Custom_Table_Data
 EO_CALLBACKS_ARRAY_DEFINE(subobj_callbacks,
                           { EO_EVENT_DEL, _subobj_del_cb });
 
-static inline Eina_Bool
-_horiz(Efl_Orient dir)
-{
-   return dir % 180 == EFL_ORIENT_RIGHT;
-}
-
 EOLIAN static Eina_Bool
 _efl_ui_grid_elm_widget_focus_next_manager_is(Eo *obj EINA_UNUSED, Efl_Ui_Grid_Data *pd EINA_UNUSED)
 {
diff --git a/src/lib/elementary/efl_ui_grid_private.h b/src/lib/elementary/efl_ui_grid_private.h
new file mode 100644
index 0000000000..ab2aa85a20
--- /dev/null
+++ b/src/lib/elementary/efl_ui_grid_private.h
@@ -0,0 +1,62 @@
+#ifndef EFL_UI_GRID_PRIVATE_H
+#define EFL_UI_GRID_PRIVATE_H
+
+#ifdef HAVE_CONFIG_H
+# include "elementary_config.h"
+#endif
+
+#define EFL_PACK_LAYOUT_PROTECTED
+
+#include <Elementary.h>
+#include "elm_priv.h"
+
+typedef struct _Efl_Ui_Grid_Data Efl_Ui_Grid_Data;
+typedef struct _Grid_Item_Iterator Grid_Item_Iterator;
+typedef struct _Grid_Item Grid_Item;
+
+#define GRID_ITEM_KEY "__grid_item"
+
+struct _Grid_Item
+{
+   EINA_INLIST;
+
+   Efl_Gfx *object;
+   int col_span, row_span;
+   int col, row;
+
+   Eina_Bool linear : 1;
+};
+
+struct _Efl_Ui_Grid_Data
+{
+   const Eo_Class *layout_engine;
+   const void     *layout_data;
+
+   Grid_Item *items;
+   int count;
+
+   int req_cols, req_rows; // requested - 0 means infinite
+   int last_col, last_row; // only used by linear apis
+   Efl_Orient dir1, dir2;  // must be orthogonal (H,V or V,H)
+   struct {
+      double h, v;
+      Eina_Bool scalable: 1;
+   } pad;
+   Eina_Bool linear_recalc : 1;
+};
+
+struct _Grid_Item_Iterator
+{
+   Eina_Iterator  iterator;
+   Eina_Iterator *real_iterator;
+   Eina_List     *list;
+   Efl_Ui_Grid    *object;
+};
+
+static inline Eina_Bool
+_horiz(Efl_Orient dir)
+{
+   return dir % 180 == EFL_ORIENT_RIGHT;
+}
+
+#endif
diff --git a/src/lib/elementary/efl_ui_grid_static.c b/src/lib/elementary/efl_ui_grid_static.c
new file mode 100644
index 0000000000..a8209d26b1
--- /dev/null
+++ b/src/lib/elementary/efl_ui_grid_static.c
@@ -0,0 +1,74 @@
+#include "efl_ui_grid_private.h"
+
+#define MY_CLASS EFL_UI_GRID_STATIC_CLASS
+#define MY_CLASS_NAME "Efl.Ui.Grid.Static"
+
+EOLIAN static Eo *
+_efl_ui_grid_static_eo_base_constructor(Eo *obj, void *pd EINA_UNUSED)
+{
+   Efl_Ui_Grid_Data *gd;
+
+   obj = eo_constructor(eo_super(obj, MY_CLASS));
+   evas_obj_type_set(obj, MY_CLASS_NAME);
+   elm_interface_atspi_accessible_role_set(obj, ELM_ATSPI_ROLE_FILLER);
+
+   gd = eo_data_scope_get(obj, EFL_UI_GRID_CLASS);
+   gd->layout_engine = MY_CLASS;
+   gd->req_cols = 100;
+   gd->req_rows = 100;
+
+   return obj;
+}
+
+EOLIAN static void
+_efl_ui_grid_static_efl_pack_layout_layout_do(Eo_Class *klass EINA_UNUSED,
+                                              void *_pd EINA_UNUSED,
+                                              Eo *obj, const void *data EINA_UNUSED)
+{
+   Efl_Ui_Grid_Data *gd;
+   Grid_Item *gi;
+   Evas *e;
+   Evas_Coord x, y, w, h;
+   long long xl, yl, wl, hl, vwl, vhl;
+   Eina_Bool mirror;
+
+   gd = eo_data_scope_get(obj, EFL_UI_GRID_CLASS);
+   if (!gd->items) return;
+
+   e = evas_common_evas_get(obj);
+   eo_event_freeze(e);
+
+   efl_gfx_position_get(obj, &x, &y);
+   efl_gfx_size_get(obj, &w, &h);
+   xl = x;
+   yl = y;
+   wl = w;
+   hl = h;
+   mirror = elm_widget_mirrored_get(obj);
+   vwl = gd->req_cols;
+   vhl = gd->req_rows;
+
+   EINA_INLIST_FOREACH(gd->items, gi)
+     {
+        long long x1, y1, x2, y2;
+
+        if (!mirror)
+          {
+             x1 = xl + ((wl * (long long)gi->col) / vwl);
+             x2 = xl + ((wl * (long long)(gi->col + gi->col_span)) / vwl);
+          }
+        else
+          {
+             x1 = xl + ((wl * (vwl - (long long)(gi->col + gi->col_span))) / vwl);
+             x2 = xl + ((wl * (vwl - (long long)gi->col)) / vwl);
+          }
+        y1 = yl + ((hl * (long long)gi->row) / vhl);
+        y2 = yl + ((hl * (long long)(gi->row + gi->row_span)) / vhl);
+        efl_gfx_position_set(gi->object, x1, y1);
+        efl_gfx_size_set(gi->object, x2 - x1, y2 - y1);
+     }
+
+   eo_event_thaw(e);
+}
+
+#include "efl_ui_grid_static.eo.c"
diff --git a/src/lib/elementary/efl_ui_grid_static.eo b/src/lib/elementary/efl_ui_grid_static.eo
new file mode 100644
index 0000000000..1514dbb1fd
--- /dev/null
+++ b/src/lib/elementary/efl_ui_grid_static.eo
@@ -0,0 +1,8 @@
+class Efl.Ui.Grid.Static (Efl.Ui.Grid)
+{
+   data: null;
+   implements {
+      Eo.Base.constructor;
+      Efl.Pack.Layout.layout_do;
+   }
+}