summaryrefslogtreecommitdiff
path: root/src/lib/elementary/elm_part_helper.h
blob: 08612ff1df3799356711e8e48e2b725fc7231891 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
#ifndef _ELM_PART_HELPER_H
#define _ELM_PART_HELPER_H

#include "efl_ui_layout_part_legacy.eo.h"

//#define ELM_PART_HOOK do { ERR("%s@%p:%s [%d]", efl_class_name_get(pd->obj), pd->obj, pd->part, (int) pd->temp); } while(0)
#define ELM_PART_HOOK do {} while(0)

//#define ELM_PART_REF(obj, pd) do { if (!(pd->temp++)) efl_ref(obj); } while(0)
#define ELM_PART_UNREF(obj, pd) do { if (pd->temp) { if (!(--pd->temp)) efl_del(obj); } } while(0)
#define ELM_PART_RETURN_VAL(a) do { ELM_PART_HOOK; typeof(a) _ret = a; ELM_PART_UNREF(obj, pd); return _ret; } while(0)
#define ELM_PART_RETURN_VOID do { ELM_PART_HOOK; ELM_PART_UNREF(obj, pd); return; } while(0)
//#define ELM_PART_CALL(a) ({ ELM_PART_REF(obj, pd); a; })

typedef struct _Elm_Part_Data Elm_Part_Data;
struct _Elm_Part_Data
{
   Eo             *obj;
   Eina_Tmpstr    *part;
   unsigned char   temp;
};

// Note: this generic implementation can be improved to support part object
// caching or something...


#define ELM_PART_CONTENT_DEFAULT_SET(type, part) \
   static const char * _ ## type ## _default_content_part_get(const Eo *obj EINA_UNUSED, void *sd EINA_UNUSED) { return part; }

#define ELM_PART_CONTENT_DEFAULT_OPS(type) \
   EFL_OBJECT_OP_FUNC(elm_widget_default_content_part_get, _ ## type ## _default_content_part_get)

#define ELM_PART_TEXT_DEFAULT_GET(type, part) \
   static const char * _ ## type ## _default_text_part_get(const Eo *obj EINA_UNUSED, void *sd EINA_UNUSED) { return part; }

#define ELM_PART_TEXT_DEFAULT_OPS(type) \
   EFL_OBJECT_OP_FUNC(elm_widget_default_text_part_get, _ ## type ## _default_text_part_get)


// For any widget that has specific part handling

static inline Eina_Bool
_elm_part_alias_find(const Elm_Layout_Part_Alias_Description *aliases, const char *part)
{
   const Elm_Layout_Part_Alias_Description *alias;

   for (alias = aliases; alias && alias->alias; alias++)
     if (eina_streq(alias->real_part, part))
       return EINA_TRUE;
   return EINA_FALSE;
}

#define ELM_PART_OVERRIDE_IMPLEMENT(PART_CLASS) ({ \
   Eo *proxy = efl_add(PART_CLASS, (Eo *) obj); \
   Elm_Part_Data *pd = efl_data_scope_get(proxy, EFL_UI_WIDGET_PART_CLASS); \
   if (pd) \
     { \
        pd->obj = (Eo *) obj; \
        pd->part = eina_tmpstr_add(part); \
        pd->temp = 1; \
     } \
   proxy; })

#define ELM_PART_OVERRIDE_ONLY_ALIASES(type, TYPE, typedata, aliases) \
   EOLIAN static Efl_Object * \
   _ ## type ## _efl_part_part(const Eo *obj, typedata *priv EINA_UNUSED, const char *part) \
   { \
      EINA_SAFETY_ON_NULL_RETURN_VAL(part, NULL); \
      if (_elm_part_alias_find(aliases, part)) \
        return ELM_PART_OVERRIDE_IMPLEMENT(TYPE ## _PART_CLASS); \
      return efl_part(efl_super(obj, MY_CLASS), part); \
   }

#define ELM_PART_OVERRIDE(type, TYPE, typedata) \
EOLIAN static Efl_Object * \
_ ## type ## _efl_part_part(const Eo *obj, typedata *priv EINA_UNUSED, const char *part) \
{ \
   EINA_SAFETY_ON_NULL_RETURN_VAL(part, NULL); \
   return ELM_PART_OVERRIDE_IMPLEMENT(TYPE ## _PART_CLASS); \
}

#define ELM_PART_OVERRIDE_CONTENT_SET_FULL(full, type, TYPE, typedata) \
EOLIAN static Eina_Bool \
_ ## full ## _efl_container_content_set(Eo *obj, void *_pd EINA_UNUSED, Efl_Gfx *content) \
{ \
   Elm_Part_Data *pd = efl_data_scope_get(obj, EFL_UI_WIDGET_PART_CLASS); \
   typedata *sd = efl_data_scope_get(pd->obj, TYPE ## _CLASS); \
   ELM_PART_RETURN_VAL(_ ## type ## _content_set(pd->obj, sd, pd->part, content)); \
}

#define ELM_PART_OVERRIDE_CONTENT_GET_FULL(full, type, TYPE, typedata) \
EOLIAN static Efl_Gfx * \
_ ## full ## _efl_container_content_get(Eo *obj, void *_pd EINA_UNUSED) \
{ \
   Elm_Part_Data *pd = efl_data_scope_get(obj, EFL_UI_WIDGET_PART_CLASS); \
   typedata *sd = efl_data_scope_get(pd->obj, TYPE ## _CLASS); \
   ELM_PART_RETURN_VAL(_ ## type ## _content_get(pd->obj, sd, pd->part)); \
}

#define ELM_PART_OVERRIDE_CONTENT_UNSET_FULL(full, type, TYPE, typedata) \
EOLIAN static Efl_Gfx * \
_ ## full ## _efl_container_content_unset(Eo *obj, void *_pd EINA_UNUSED) \
{ \
   Elm_Part_Data *pd = efl_data_scope_get(obj, EFL_UI_WIDGET_PART_CLASS); \
   typedata *sd = efl_data_scope_get(pd->obj, TYPE ## _CLASS); \
   ELM_PART_RETURN_VAL(_ ## type ## _content_unset(pd->obj, sd, pd->part)); \
}

#define ELM_PART_OVERRIDE_TEXT_SET_FULL(full, type, TYPE, typedata) \
EOLIAN static void \
_ ## full ## _efl_text_text_set(Eo *obj, void *_pd EINA_UNUSED, const char *text) \
{ \
   Elm_Part_Data *pd = efl_data_scope_get(obj, EFL_UI_WIDGET_PART_CLASS); \
   typedata *sd = efl_data_scope_get(pd->obj, TYPE ## _CLASS); \
   _ ## type ## _text_set(pd->obj, sd, pd->part, text); \
   ELM_PART_RETURN_VOID; \
}

#define ELM_PART_OVERRIDE_TEXT_GET_FULL(full, type, TYPE, typedata) \
EOLIAN static const char *\
_ ## full ## _efl_text_text_get(Eo *obj, void *_pd EINA_UNUSED) \
{ \
   Elm_Part_Data *pd = efl_data_scope_get(obj, EFL_UI_WIDGET_PART_CLASS); \
   typedata *sd = efl_data_scope_get(pd->obj, TYPE ## _CLASS); \
   ELM_PART_RETURN_VAL(_ ## type ## _text_get(pd->obj, sd, pd->part)); \
}

#define ELM_PART_OVERRIDE_CONTENT_SET(type, TYPE, typedata) \
   ELM_PART_OVERRIDE_CONTENT_SET_FULL(type ## _part, type, TYPE, typedata)

#define ELM_PART_OVERRIDE_CONTENT_GET(type, TYPE, typedata) \
   ELM_PART_OVERRIDE_CONTENT_GET_FULL(type ## _part, type, TYPE, typedata)

#define ELM_PART_OVERRIDE_CONTENT_UNSET(type, TYPE, typedata) \
   ELM_PART_OVERRIDE_CONTENT_UNSET_FULL(type ## _part, type, TYPE, typedata)

#define ELM_PART_OVERRIDE_TEXT_SET(type, TYPE, typedata) \
   ELM_PART_OVERRIDE_TEXT_SET_FULL(type ## _part, type, TYPE, typedata)

#define ELM_PART_OVERRIDE_TEXT_GET(type, TYPE, typedata) \
   ELM_PART_OVERRIDE_TEXT_GET_FULL(type ## _part, type, TYPE, typedata)

#define ELM_PART_TEXT_DEFAULT_IMPLEMENT(type, Type) \
EOLIAN static void \
_ ## type ## _efl_text_text_set(Eo *obj, Type *pd EINA_UNUSED, const char *text) \
{ \
   efl_text_set(efl_part(efl_super(obj, MY_CLASS), "elm.text"), text); \
} \
EOLIAN static const char * \
_ ## type ## _efl_text_text_get(Eo *obj, Type *pd EINA_UNUSED) \
{ \
  return efl_text_get(efl_part(efl_super(obj, MY_CLASS), "elm.text")); \
}

#endif