efl/src/bin/elua/elm.lua

129 lines
3.8 KiB
Lua

local ffi = require("ffi")
local util = erequire("util")
local elm, evas
local M = {}
ffi.cdef [[
typedef struct Evas_Object Evas_Object;
typedef void(*Evas_Smart_Cb)(void *data, Evas_Object *obj, void *event_info);
int elm_init(int argc, char **argv);
int elm_exit(void);
Evas_Object *elm_win_add(Evas_Object *parent, const char *name, int type);
void elm_win_title_set(Evas_Object *obj, const char *title);
void elm_win_resize_object_add(Evas_Object *obj, Evas_Object *subobj);
Evas_Object *elm_bg_add(Evas_Object *parent);
Evas_Object *elm_label_add(Evas_Object *parent);
Evas_Object *elm_button_add(Evas_Object *parent);
Evas_Object *elm_box_add(Evas_Object *parent);
void elm_box_pack_end(Evas_Object *obj, Evas_Object *subobj);
void elm_object_part_text_set(Evas_Object *obj, const char *part, const char *text);
void evas_object_show(Evas_Object *obj);
void evas_object_size_hint_weight_set(Evas_Object *obj, double x, double y);
void evas_object_resize(Evas_Object *obj, int w, int h);
void evas_object_smart_callback_add(Evas_Object *obj, const char *event, Evas_Smart_Cb func, const void *data);
void evas_object_smart_callback_del_full(Evas_Object *obj, const char *event, Evas_Smart_Cb func, const void *data);
]]
local callbacks = {}
local smart_cb_wrapper = ffi.cast("Evas_Smart_Cb",
util.register_callbacks(callbacks))
util.init_module(function()
elm, evas = ffi.load("elementary"), ffi.load("evas")
elm.elm_init(0, nil)
end, function()
elm.elm_exit()
end)
local Evas_Object = {
resize = function(self, w, h)
evas.evas_object_resize(self.__o, w, h)
end,
show = function(self) evas.evas_object_show(self.__o) end,
size_hint_weight_set = function(self, x, y)
evas.evas_object_size_hint_weight_set(self.__o, x, y)
end,
smart_callback_add = function(self, ev, cb)
local cbt = callbacks[cb]
if not cbt then
callbacks[#callbacks + 1] = cb
cbt = { #callbacks, 0 }
callbacks[cb] = cbt
end
cbt[2] = cbt[2] + 1
evas.evas_object_smart_callback_add(self.__o, ev, smart_cb_wrapper,
ffi.cast("void*", cbt[1]))
end,
smart_callback_del = function(self, ev, cb)
local cbt = callbacks[cb]
if not cbt then return end
local cbi = cbt[1]
evas.evas_object_smart_callback_del_full(self.__o, ev, smart_cb_wrapper,
ffi.cast("void*", cbi))
local cnt = cbt[2] - 1
if cnt == 0 then
callbacks[cbi], callbacks[cb] = nil, nil
else
cbt[2] = cnt
end
end
}
M.Window = function(name, title)
local o = setmetatable({
__o = elm.elm_win_add(nil, name, 0),
resize_object_add = function(self, o)
elm.elm_win_resize_object_add(self.__o, o.__o)
end
}, { __index = Evas_Object })
elm.elm_win_title_set(o.__o, title)
return o
end
M.Background = function(parent)
return setmetatable({
__o = elm.elm_bg_add(parent.__o)
}, { __index = Evas_Object })
end
M.Label = function(parent)
return setmetatable({
__o = elm.elm_label_add(parent.__o),
text_set = function(self, label)
elm.elm_object_part_text_set(self.__o, nil, label)
end
}, { __index = Evas_Object })
end
M.Button = function(parent)
return setmetatable({
__o = elm.elm_button_add(parent.__o),
text_set = function(self, label)
elm.elm_object_part_text_set(self.__o, nil, label)
end
}, { __index = Evas_Object })
end
M.Box = function(parent)
return setmetatable({
__o = elm.elm_box_add(parent.__o),
pack_end = function(self, obj)
elm.elm_box_pack_end(self.__o, obj.__o)
end
}, { __index = Evas_Object })
end
M.exit = function()
elm.elm_exit()
end
_G["elm"] = M