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Code Issues Wiki Activity

[Horus] Widget::update added to the Lua interface (called when options are modified)

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This commit is contained in:
Bertrand Songis 2016-05-21 11:08:01 +02:00
parent 0fad67a8ea
commit 7a2c0b3b88
2 changed files with 33 additions and 2 deletions
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29
radio/src/lua/interface.cpp
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@ -909,6 +909,8 @@ class LuaWidget: public Widget
luaL_unref(L, LUA_REGISTRYINDEX, widgetData);
}
virtual void update() const;
virtual void refresh();
virtual void background();
@ -933,6 +935,7 @@ class LuaWidgetFactory: public WidgetFactory
LuaWidgetFactory(const char * name, int widgetOptions, int createFunction):
WidgetFactory(name, createOptionsArray(widgetOptions)),
createFunction(createFunction),
updateFunction(0),
refreshFunction(0),
backgroundFunction(0)
{
@ -969,10 +972,29 @@ class LuaWidgetFactory: public WidgetFactory
protected:
int createFunction;
int updateFunction;
int refreshFunction;
int backgroundFunction;
};
void LuaWidget::update() const
{
SET_LUA_INSTRUCTIONS_COUNT(PERMANENT_SCRIPTS_MAX_INSTRUCTIONS);
LuaWidgetFactory * factory = (LuaWidgetFactory *)this->factory;
lua_rawgeti(L, LUA_REGISTRYINDEX, factory->updateFunction);
lua_rawgeti(L, LUA_REGISTRYINDEX, widgetData);
lua_newtable(L);
int i = 0;
for (const ZoneOption * option = getOptions(); option->name; option++, i++) {
l_pushtableint(option->name, persistentData->options[i].signedValue);
}
if (lua_pcall(L, 2, 0, 0) != 0) {
TRACE("Error in widget %s: %s", factory->getName(), lua_tostring(L, -1));
}
}
void LuaWidget::refresh()
{
SET_LUA_INSTRUCTIONS_COUNT(PERMANENT_SCRIPTS_MAX_INSTRUCTIONS);
@ -998,7 +1020,7 @@ void LuaWidget::background()
void luaLoadWidgetCallback()
{
const char * name=NULL;
int widgetOptions=0, createFunction=0, refreshFunction=0, backgroundFunction=0;
int widgetOptions=0, createFunction=0, updateFunction=0, refreshFunction=0, backgroundFunction=0;
luaL_checktype(L, -1, LUA_TTABLE);
@ -1015,6 +1037,10 @@ void luaLoadWidgetCallback()
createFunction = luaL_ref(L, LUA_REGISTRYINDEX);
lua_pushnil(L);
}
else if (!strcmp(key, "update")) {
updateFunction = luaL_ref(L, LUA_REGISTRYINDEX);
lua_pushnil(L);
}
else if (!strcmp(key, "refresh")) {
refreshFunction = luaL_ref(L, LUA_REGISTRYINDEX);
lua_pushnil(L);
@ -1027,6 +1053,7 @@ void luaLoadWidgetCallback()
if (name && createFunction) {
LuaWidgetFactory * factory = new LuaWidgetFactory(name, widgetOptions, createFunction);
factory->updateFunction = updateFunction;
factory->refreshFunction = refreshFunction;
factory->backgroundFunction = backgroundFunction;
}