void main_platform() {
if(button_read_button(&down_btn)) {
if(is_view(gfx_mono_active_menu)) {
if(gfx_mono_active_menu != NO_GPS_VIEW) {
display_next_view();
}
}
// If it's not a view then the down button should be used for menu navigation.
else {
gfx_mono_menu_process_key(&menu_list[gfx_mono_active_menu-(VIEW_MAX_INDEX+1)], GFX_MONO_MENU_KEYCODE_DOWN);
ssd1306_write_display();
}
}
if(button_read_button(&select_btn)) {
if(is_view(gfx_mono_active_menu)) {
ssd1306_clear_display();
display_menu(MAIN_MENU);
}
else {
volatile uint8_t menuChoice = gfx_mono_menu_process_key(&menu_list[gfx_mono_active_menu-(VIEW_MAX_INDEX+1)], GFX_MONO_MENU_KEYCODE_ENTER);
menu_link menu = menu_list[gfx_mono_active_menu-(VIEW_MAX_INDEX+1)].element_links[menuChoice];
// TODO: Skriv om snyggare :)
if(menu == EXIT_MENU) {
menu_list[gfx_mono_active_menu-(VIEW_MAX_INDEX+1)].current_page = 0;
menu_list[gfx_mono_active_menu-(VIEW_MAX_INDEX+1)].current_selection = 0;
if(is_view(menu_list[gfx_mono_active_menu-(VIEW_MAX_INDEX+1)].parent)) {
display_view(menu_list[gfx_mono_active_menu-(VIEW_MAX_INDEX+1)].parent);
}
else {
menu = menu_list[gfx_mono_active_menu-(VIEW_MAX_INDEX+1)].parent;
display_menu(menu);
}
}
else {
display_menu(menu);
}
}
}
}
/*
* Walker function to find a view
*/
static bool
view_walker(Node *node, void *context)
{
SelectContext *ctx = (SelectContext *) context;
char *relname;
if (node == NULL)
return false;
if (IsA(node, RangeVar))
{
RangeVar *rgv = (RangeVar *) node;
relname = make_table_name_from_rangevar(rgv);
ereport(DEBUG1,
(errmsg("view walker. checking relation \"%s\"", relname)));
if (is_view(relname))
{
ctx->has_view = true;
return false;
}
}
return raw_expression_tree_walker(node, view_walker, context);
}
/*
* Walker function to find a view
*/
static bool
view_walker(Node *node, void *context)
{
SelectContext *ctx = (SelectContext *) context;
char *relname;
if (node == NULL)
return false;
if (IsA(node, RangeVar))
{
RangeVar *rgv = (RangeVar *)node;
relname = make_table_name_from_rangevar(rgv);
pool_debug("view_walker: relname: %s", relname);
if (is_view(relname))
{
ctx->has_view = true;
return false;
}
}
return raw_expression_tree_walker(node, view_walker, context);
}
