/* ******************************************************************** *
* private: go in a menu item and start function
* @param
* @return
* ******************************************************************** */
void LCDMenuLib::goEnter()
/* ******************************************************************** */
{
LCDMenu *tmp; // declare opjects
uint8_t name = function;
uint8_t j = 0;
if (function == _LCDML_NO_FUNC) { //check button lock
//check if element has childs
if ((tmp = curMenu->getChild(curloc + curloc_correction())) != NULL) { // check child
goMenu(*tmp);
name = tmp->name;
//check if element has childs
if ((tmp = tmp->getChild(0)) != NULL) {
while ((tmp = tmp->getSibling(1)) != NULL)
{
if (bitRead(group_en, tmp->disp) || bitRead(control, _LCDML_control_disable_hidden)) {
j++;
}
}
}
if (j == 0) {
function = name;
countChilds();
}
}
}
}
/* ******************************************************************** *
* public: display the current menu
* @param
* @return
* ******************************************************************** */
void LCDMenuLib::display()
/* ******************************************************************** */
{
//declaration
LCDMenu * tmp;
uint8_t i = scroll;
uint8_t maxi = (rows + scroll);
char buffer[_LCDML_DISP_cfg_max_string_length];
child_cnt = countChilds();
//check children
if ((tmp = curMenu->getChild(i))) {
if (!bitRead(control, _LCDML_control_search_display)) {
//clear lcd
display_clear();
//show menu structure
do
{
if (bitRead(group_en, tmp->disp)) {
strcpy_P(content[i-scroll], (char*)pgm_read_word(&(flash_table[tmp->name])));
content_id[i-scroll] = tmp->name;
i++;
}
} while ((tmp = tmp->getSibling(1)) != NULL && i<maxi);
bitSet(control, _LCDML_control_disp_update);
}
}
else { // no children
goBack();
// function can run ...
}
setCursor();
}
/* ******************************************************************** *
* private: set cursor position
* @param
* @return
* ******************************************************************** */
void LCDMenuLib::setCursor()
/* ******************************************************************** */
{
child_cnt = countChilds();
//save current cursor position
cursor_pos = curloc - scroll;
if (cursor_pos > child_cnt) {
cursor_pos = child_cnt;
}
bitSet(control, _LCDML_control_cursor_update);
}