Adjust the LCD_Menu to use the mBed Application board resources
Dependents: class_project_main
Fork of SerialLCD_Menu by
Navigator.cpp
- Committer:
- pyeh9
- Date:
- 2013-03-05
- Revision:
- 2:2654dc659298
- Parent:
- 1:84d263c8932d
- Child:
- 3:920157b558db
File content as of revision 2:2654dc659298:
#include "Navigator.h" Navigator::Navigator(Menu *root, RPG &rpg, TextLCD *lcd) : activeMenu(root), rpg(rpg), lcd(lcd) { bottom = root->selections.size(); cursorPos = 0; cursorLine = 1; button = 0; lastButton = 0; printMenu(); printCursor(); } void Navigator::printMenu() { lcd->cls(); if(bottom == 1){ // the current Menu only has one selection lcd->printf("%s\n", activeMenu->selections[0].selText); } else { if(cursorLine == 2){ // if we're at the bottom lcd->printf("%s\n", activeMenu->selections[cursorPos-1].selText); lcd->printf("%s\n", activeMenu->selections[cursorPos].selText); } else { lcd->printf("%s\n", activeMenu->selections[cursorPos].selText); lcd->printf("%s\n", activeMenu->selections[cursorPos+1].selText); } } } void Navigator::printCursor() { if(activeMenu->selections[cursorPos].childMenu == NULL) printf("No child menu\n"); else printf("child menu: %s\n", activeMenu->selections[cursorPos].childMenu->menuID); lcd->locate(0,0); if(cursorLine == 1){ lcd->putc('>'); lcd->locate(0,1); lcd->putc(' '); } else if(cursorLine == 2){ lcd->putc(' '); lcd->locate(0,1); lcd->putc('>'); } } void Navigator::poll() { if((direction = rpg.dir())!=0){ //Get Dir wait(0.2); if(direction == 1) moveDown(); else if(direction == -1) moveUp(); } if ((button = rpg.pb()) && !lastButton){ //prevents multiple selections when button is held down wait(0.2); if(activeMenu->selections[cursorPos].fun != NULL){ (activeMenu->selections[cursorPos].fun)(); } if(activeMenu->selections[cursorPos].childMenu != NULL){ activeMenu = activeMenu->selections[cursorPos].childMenu; bottom = activeMenu->selections.size(); cursorPos = 0; cursorLine = 1; printMenu(); printCursor(); } } lastButton = button; } void Navigator::moveUp() { if(cursorLine == 1){ printMenu(); } else if(cursorLine == 2){ cursorLine = 1; } if(cursorPos != 0){ cursorPos--; printMenu(); } printCursor(); } void Navigator::moveDown() { if(cursorLine == 1){ cursorLine = 2; } else if(cursorLine == 2){ printMenu(); } if(cursorPos != (bottom-1)){ cursorPos++; printMenu(); } printCursor(); }