1 files changed, 470 insertions, 0 deletions

diff --git a/libraries/elementary/src/lib/elm_panes.c b/libraries/elementary/src/lib/elm_panes.c
new file mode 100644
index 0000000..249f9e2
--- /dev/null
+++ b/libraries/elementary/src/lib/elm_panes.c
@@ -0,0 +1,470 @@
+#include <Elementary.h>
+#include "elm_priv.h"
+
+/**
+ * TODO
+ * Update the minimun height of the bar in the theme.
+ * No minimun should be set in the vertical theme
+ * Add events (move, start ...)
+ */
+
+typedef struct _Widget_Data Widget_Data;
+
+struct _Widget_Data
+{
+   Evas_Object *panes;
+
+   struct
+     {
+        Evas_Object *left;
+        Evas_Object *right;
+     } contents;
+
+   struct
+     {
+        int x_diff;
+        int y_diff;
+        Eina_Bool move;
+     } move;
+
+   Eina_Bool clicked_double;
+   Eina_Bool horizontal;
+   Eina_Bool fixed;
+};
+
+static const char *widtype = NULL;
+static void _del_hook(Evas_Object *obj);
+static void _mirrored_set(Evas_Object *obj, Eina_Bool rtl);
+static void _theme_hook(Evas_Object *obj);
+static void _sizing_eval(Evas_Object *obj);
+static void _changed_size_hints(void *data, Evas *e, Evas_Object *obj, void *event_info);
+
+static const char SIG_CLICKED[] = "clicked";
+static const char SIG_PRESS[] = "press";
+static const char SIG_UNPRESS[] = "unpress";
+static const char SIG_CLICKED_DOUBLE[] = "clicked,double";
+
+static const Evas_Smart_Cb_Description _signals[] = {
+   {SIG_CLICKED, ""},
+   {SIG_PRESS, ""},
+   {SIG_UNPRESS, ""},
+   {SIG_CLICKED_DOUBLE, ""},
+   {NULL, NULL}
+};
+
+static void
+_del_hook(Evas_Object *obj)
+{
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+   free(wd);
+}
+
+static void
+_mirrored_set(Evas_Object *obj, Eina_Bool rtl)
+{
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+   edje_object_mirrored_set(wd->panes, rtl);
+}
+
+static void
+_theme_hook(Evas_Object *obj)
+{
+   Widget_Data *wd = elm_widget_data_get(obj);
+   const char *style = elm_widget_style_get(obj);
+   double size;
+
+   if (!wd) return;
+   _elm_widget_mirrored_reload(obj);
+   _mirrored_set(obj, elm_widget_mirrored_get(obj));
+   size = elm_panes_content_left_size_get(obj);
+
+   if (wd->horizontal)
+     _elm_theme_object_set(obj, wd->panes, "panes", "horizontal", style);
+   else
+     _elm_theme_object_set(obj, wd->panes, "panes", "vertical", style);
+
+   if (wd->contents.left)
+     edje_object_part_swallow(wd->panes, "elm.swallow.left", wd->contents.left);
+   if (wd->contents.right)
+     edje_object_part_swallow(wd->panes, "elm.swallow.right", wd->contents.right);
+   if (wd->fixed)
+     edje_object_signal_emit(wd->panes, "elm.panes.fixed", "elm");
+
+   edje_object_scale_set(wd->panes, elm_widget_scale_get(obj) *
+                         _elm_config->scale);
+   _sizing_eval(obj);
+   elm_panes_content_left_size_set(obj, size);
+}
+
+static Eina_Bool
+_elm_panes_focus_next_hook(const Evas_Object *obj, Elm_Focus_Direction dir, Evas_Object **next)
+{
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return EINA_FALSE;
+
+   double w, h;
+   edje_object_part_drag_value_get(wd->panes, "elm.bar", &w, &h);
+   if (((wd->horizontal) && ( h == 0.0 )) || ((!wd->horizontal) && ( w == 0.0 )))
+     return elm_widget_focus_next_get(wd->contents.right, dir, next);
+
+   Evas_Object *chain[2];
+
+   /* Direction */
+   if (dir == ELM_FOCUS_PREVIOUS)
+     {
+        chain[0] = wd->contents.right;
+        chain[1] = wd->contents.left;
+     }
+   else if (dir == ELM_FOCUS_NEXT)
+     {
+        chain[0] = wd->contents.left;
+        chain[1] = wd->contents.right;
+     }
+   else
+     return EINA_FALSE;
+
+   unsigned char i = elm_widget_focus_get(chain[1]);
+
+   if (elm_widget_focus_next_get(chain[i], dir, next))
+     return EINA_TRUE;
+
+   i = !i;
+
+   Evas_Object *to_focus;
+   if (elm_widget_focus_next_get(chain[i], dir, &to_focus))
+     {
+        *next = to_focus;
+        return !!i;
+     }
+
+   return EINA_FALSE;
+}
+
+static void
+_sizing_eval(Evas_Object *obj)
+{
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+}
+
+static void
+_changed_size_hints(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
+{
+   _sizing_eval(data);
+}
+
+static void
+_sub_del(void *data __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
+{
+   Widget_Data *wd = elm_widget_data_get(obj);
+   Evas_Object *sub = event_info;
+
+   if (!wd) return;
+   if (sub == wd->contents.left)
+     {
+        evas_object_event_callback_del_full(sub, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
+                                            _changed_size_hints, obj);
+        edje_object_part_unswallow(wd->panes, sub);
+        wd->contents.left = NULL;
+        _sizing_eval(obj);
+     }
+   else if (sub == wd->contents.right)
+     {
+        evas_object_event_callback_del_full(sub, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
+                                            _changed_size_hints, obj);
+        edje_object_part_unswallow(wd->panes, sub);
+        wd->contents.right= NULL;
+        _sizing_eval(obj);
+     }
+}
+
+static void
+_clicked(void *data, Evas_Object *obj __UNUSED__ , const char *emission __UNUSED__, const char *source __UNUSED__)
+{
+   evas_object_smart_callback_call(data, SIG_CLICKED, NULL);
+}
+
+static void
+_clicked_double(void *data, Evas_Object *obj __UNUSED__ , const char *emission __UNUSED__, const char *source __UNUSED__)
+{
+   Widget_Data *wd = elm_widget_data_get(data);
+
+   wd->clicked_double = EINA_TRUE;
+}
+
+static void
+_press(void *data, Evas_Object *obj __UNUSED__ , const char *emission __UNUSED__, const char *source __UNUSED__)
+{
+   evas_object_smart_callback_call(data, SIG_PRESS, NULL);
+}
+
+static void
+_unpress(void *data, Evas_Object *obj __UNUSED__ , const char *emission __UNUSED__, const char *source __UNUSED__)
+{
+   Widget_Data *wd = elm_widget_data_get(data);
+   evas_object_smart_callback_call(data, SIG_UNPRESS, NULL);
+
+   if (wd->clicked_double)
+     {
+        evas_object_smart_callback_call(data, SIG_CLICKED_DOUBLE, NULL);
+        wd->clicked_double = EINA_FALSE;
+     }
+}
+
+static void
+_content_left_set(Evas_Object *obj, Evas_Object *content)
+{
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (wd->contents.left == content) return;
+   if (wd->contents.left)
+     evas_object_del(wd->contents.left);
+   wd->contents.left = content;
+   if (content)
+     {
+        elm_widget_sub_object_add(obj, content);
+        edje_object_part_swallow(wd->panes, "elm.swallow.left", content);
+     }
+}
+
+static void
+_content_right_set(Evas_Object *obj, Evas_Object *content)
+{
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (wd->contents.right == content) return;
+   if (wd->contents.right)
+     evas_object_del(wd->contents.right);
+   wd->contents.right = content;
+   if (content)
+     {
+        elm_widget_sub_object_add(obj, content);
+        edje_object_part_swallow(wd->panes, "elm.swallow.right", content);
+     }
+}
+
+static Evas_Object *
+_content_left_unset(Evas_Object *obj)
+{
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd->contents.left) return NULL;
+   Evas_Object *content = wd->contents.left;
+   elm_widget_sub_object_del(obj, content);
+   return content;
+}
+
+static Evas_Object *
+_content_right_unset(Evas_Object *obj)
+{
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd->contents.right) return NULL;
+   Evas_Object *content = wd->contents.right;
+   elm_widget_sub_object_del(obj, content);
+   return content;
+}
+
+static void
+_content_set_hook(Evas_Object *obj, const char *part, Evas_Object *content)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype);
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+   if (part && (!strncmp(part, "elm.swallow.", 12))) part += 12;
+   if (!part || !strcmp(part, "left"))
+     _content_left_set(obj, content);
+   else if (!strcmp(part, "right"))
+     _content_right_set(obj, content);
+}
+
+static Evas_Object *
+_content_get_hook(const Evas_Object *obj, const char *part)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype) NULL;
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return NULL;
+   if (part && (!strncmp(part, "elm.swallow.", 12))) part += 12;
+   if (!part || !strcmp(part, "left"))
+     return wd->contents.left;
+   else if (!strcmp(part, "right"))
+     return wd->contents.right;
+   return NULL;
+}
+
+static Evas_Object *
+_content_unset_hook(Evas_Object *obj, const char *part)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype) NULL;
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return NULL;
+   if (part && (!strncmp(part, "elm.swallow.", 12))) part += 12;
+   if (!part || !strcmp(part, "left"))
+     return _content_left_unset(obj);
+   else if (!strcmp(part, "right"))
+     return _content_right_unset(obj);
+   return NULL;
+}
+
+EAPI Evas_Object *
+elm_panes_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, "panes");
+   elm_widget_type_set(obj, "panes");
+   elm_widget_sub_object_add(parent, obj);
+   elm_widget_data_set(obj, wd);
+   elm_widget_del_hook_set(obj, _del_hook);
+   elm_widget_theme_hook_set(obj, _theme_hook);
+   elm_widget_focus_next_hook_set(obj, _elm_panes_focus_next_hook);
+   elm_widget_content_set_hook_set(obj, _content_set_hook);
+   elm_widget_content_get_hook_set(obj, _content_get_hook);
+   elm_widget_content_unset_hook_set(obj, _content_unset_hook);
+   elm_widget_can_focus_set(obj, EINA_FALSE);
+
+   wd->panes = edje_object_add(e);
+   _elm_theme_object_set(obj, wd->panes, "panes", "vertical", "default");
+   elm_widget_resize_object_set(obj, wd->panes);
+   evas_object_show(wd->panes);
+
+   elm_panes_content_left_size_set(obj, 0.5);
+
+   edje_object_signal_callback_add(wd->panes, "elm,action,click", "",
+                                   _clicked, obj);
+   edje_object_signal_callback_add(wd->panes, "elm,action,click,double", "",
+                                   _clicked_double, obj);
+   edje_object_signal_callback_add(wd->panes, "elm,action,press", "",
+                                   _press, obj);
+   edje_object_signal_callback_add(wd->panes, "elm,action,unpress", "",
+                                   _unpress, obj);
+
+   evas_object_smart_callback_add(obj, "sub-object-del", _sub_del, obj);
+   evas_object_event_callback_add(obj, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
+                                  _changed_size_hints, obj);
+
+   evas_object_smart_callbacks_descriptions_set(obj, _signals);
+
+   _mirrored_set(obj, elm_widget_mirrored_get(obj));
+   _sizing_eval(obj);
+   return obj;
+}
+
+EINA_DEPRECATED EAPI void
+elm_panes_content_left_set(Evas_Object *obj, Evas_Object *content)
+{
+   _content_set_hook(obj, "left", content);
+}
+
+EINA_DEPRECATED EAPI void
+elm_panes_content_right_set(Evas_Object *obj, Evas_Object *content)
+{
+   _content_set_hook(obj, "right", content);
+}
+
+EINA_DEPRECATED EAPI Evas_Object *
+elm_panes_content_left_get(const Evas_Object *obj)
+{
+   return _content_get_hook(obj, "left");
+}
+
+EINA_DEPRECATED EAPI Evas_Object *
+elm_panes_content_right_get(const Evas_Object *obj)
+{
+   return _content_get_hook(obj, "right");
+}
+
+EINA_DEPRECATED EAPI Evas_Object *
+elm_panes_content_left_unset(Evas_Object *obj)
+{
+   return _content_unset_hook(obj, "left");
+}
+
+EINA_DEPRECATED EAPI Evas_Object *
+elm_panes_content_right_unset(Evas_Object *obj)
+{
+   return _content_unset_hook(obj, "right");
+}
+
+EAPI double
+elm_panes_content_left_size_get(const Evas_Object *obj)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype) 0.0;
+   Widget_Data *wd = elm_widget_data_get(obj);
+   double w, h;
+
+   if (!wd) return 0;
+   edje_object_part_drag_value_get(wd->panes, "elm.bar", &w, &h);
+   if (wd->horizontal) return h;
+   else return w;
+}
+
+EAPI void
+elm_panes_content_left_size_set(Evas_Object *obj, double size)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype);
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+   if (size < 0.0) size = 0.0;
+   else if (size > 1.0) size = 1.0;
+   if (wd->horizontal)
+     edje_object_part_drag_value_set(wd->panes, "elm.bar", 0.0, size);
+   else
+     edje_object_part_drag_value_set(wd->panes, "elm.bar", size, 0.0);
+}
+
+EAPI double
+elm_panes_content_right_size_get(const Evas_Object *obj)
+{
+   return (1.0 - elm_panes_content_left_size_get(obj));
+}
+
+EAPI void
+elm_panes_content_right_size_set(Evas_Object *obj, double size)
+{
+   elm_panes_content_left_size_set(obj, (1.0 - size));
+}
+
+EAPI void
+elm_panes_horizontal_set(Evas_Object *obj, Eina_Bool horizontal)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype);
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+   wd->horizontal = horizontal;
+   _theme_hook(obj);
+   elm_panes_content_left_size_set(obj, 0.5);
+}
+
+EAPI Eina_Bool
+elm_panes_horizontal_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->horizontal;
+}
+
+EAPI void
+elm_panes_fixed_set(Evas_Object *obj, Eina_Bool fixed)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype);
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+   wd->fixed = !!fixed;
+   if (wd->fixed == EINA_TRUE)
+     edje_object_signal_emit(wd->panes, "elm.panes.fixed", "elm");
+   else
+     edje_object_signal_emit(wd->panes, "elm.panes.unfixed", "elm");
+}
+
+EAPI Eina_Bool
+elm_panes_fixed_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->fixed;
+}