/**********************************************************************                SEGGER MICROCONTROLLER SYSTEME GmbH                 **        Solutions for real time microcontroller applications        **                                                                    **                    emWin GSC sample code                           **                                                                    ***********************************************************************----------------------------------------------------------------------File        : SIM_Hardkey.cPurpose     : Example demonstrating the HARDKEY simulation----------------------------------------------------------------------*/#include "GUI.h"#include "SIM.h"#include "FRAMEWIN.h"#include "LISTBOX.h"#include <stddef.h>/*********************************************************************       static variables**********************************************************************/static const GUI_ConstString _aListBox[] = {  "English", "Deutsch", "Fran鏰is", "Japanese", "Italiano", "Espa駉l", NULL};/*********************************************************************       static code**********************************************************************//*********************************************************************       _DemoHardkey  Demonstrates HARDKEY simulation with a listbox*/static void _DemoHardkey(void) {  LISTBOX_Handle hListBox;  GUI_SetBkColor(GUI_BLACK);  GUI_Clear();  GUI_SetColor(GUI_WHITE);  GUI_SetTextAlign(GUI_TA_HCENTER);  GUI_SetFont(&GUI_Font24_ASCII);  GUI_DispStringAt("Hardkey - Sample", 160, 5);  GUI_SetFont(&GUI_Font8x8);  GUI_DispStringAt("Up",   5, 54);  GUI_DispStringAt("Down", 5, 78);  /* Create the listbox */  hListBox = LISTBOX_Create(_aListBox, 100, 100, 120, 75, WM_CF_SHOW);  WM_SetFocus(hListBox);  LISTBOX_SetFont(hListBox, &GUI_Font13B_1);  SCROLLBAR_CreateAttached(hListBox, SCROLLBAR_CF_VERTICAL);  /* Handle the listbox */  while (1) {    WM_Exec();  }  /* Delete listbox widget */  LISTBOX_Delete(hListBox);  GUI_Clear();}/*********************************************************************       _cbKeyUp  Callback for the up-key*/static void _cbKeyUp(int key, int state) {  GUI_StoreKeyMsg(GUI_KEY_UP, state);};/*********************************************************************       _cbKeyDown  Callback for the down-key*/static void _cbKeyDown(int key, int state) {  GUI_StoreKeyMsg(GUI_KEY_DOWN, state);};/*********************************************************************       MainTask**       Demonstrates HARDKEY simulation**********************************************************************/void MainTask(void) {  GUI_Init();  /* set callback routine for hardkey */  SIM_HARDKEY_SetCallback(1, &_cbKeyUp);  SIM_HARDKEY_SetCallback(2, &_cbKeyDown);  /* start demo */  _DemoHardkey();}