Diff: testconsole.cpp

Revision:

0:907d2d5e77f7

Child:

1:c6deb449c132

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/testconsole.cpp	Fri May 01 03:56:34 2015 +0000
@@ -0,0 +1,84 @@
+#include "testconsole.h"
+
+TestConsole::TestConsole(const char * Name_p):
+    Name(Name_p),
+    num_pages(0),
+    current_page(0)
+{       
+    
+        term.printf("TestConsole::TestConsole('%')\n",Name);
+        page_change(current_page);
+    page[current_page].display();
+    }
+
+Page& TestConsole::add_page(Page const &page_p){
+term.printf("TestConsole::add_page\n");
+    if(num_pages < MAX_PAGES) {
+        page[num_pages] = page_p;
+        page[num_pages].page_num = num_pages;   //let the page know what number it is to help with lookups
+            
+                if(num_pages == 0) {   //if this is the first page, set it active
+                    page[num_pages].set_active();
+                }
+        term.printf("Added page '%s'\n", page[num_pages].Name);
+        return page[num_pages++];
+        }
+
+    term.printf("Failed to add page'%s'\n", page_p.Name);
+    return page[MAX_PAGES-1];  //return 0 if no error
+    
+    }
+    
+int TestConsole::page_change(int new_page){
+            previous_page = current_page;  //save a copy of the page so we can go back
+            current_page = new_page;
+            page[current_page].display();
+
+            page[current_page].ack_active();
+            return current_page;
+    }
+    
+//here, using knowledge of the page, we process commands
+int TestConsole::process_cmd(char cmd){
+
+
+    for(int index=0; index < page[current_page].num_menuitems; index++){
+                if('x' == cmd) {
+                    page_change(previous_page);
+                    return 0;
+                }
+            
+        if(page[current_page].command_letter[index] == cmd) {
+           
+           //for menuitems that goto other menus, just change the page
+           if(page[current_page].item[index].type == menu) {
+               page_change(page[current_page].item[index].target_page);
+               return 0;
+               }
+           
+           //otherwise call the callaback    
+           page[current_page].item[index].callback(true);
+           return 0;
+           }
+        }
+        
+    return 1;
+    }
+    
+int TestConsole::tick(void){
+    if (term.readable()){   //if there is a character
+          if(process_cmd(term.getc())){
+                term.locate(TERM_LOC_FEEDBACK);
+                term.printf("invalid command");    
+            }
+        }
+        
+        //go through the list of pages, and see if any want to become active
+        for(int index=0; index < page[current_page].num_menuitems; index++){
+            if(page[index].check_active()) page_change(index);
+        }
+        
+         
+    page[current_page].update();
+    return 0;
+    }