www.pudn.com > uC-GUI-V3-98.zip > SIM_Hardkey.c

/* 
********************************************************************************************************* 
*                                             uC/GUI V3.98 
*                        Universal graphic software for embedded applications 
* 
*                       (c) Copyright 2002, Micrium Inc., Weston, FL 
*                       (c) Copyright 2002, SEGGER Microcontroller Systeme GmbH 
* 
*              µC/GUI is protected by international copyright laws. Knowledge of the 
*              source code may not be used to write a similar product. This file may 
*              only be used in accordance with a license and should not be redistributed 
*              in any way. We appreciate your understanding and fairness. 
* 
---------------------------------------------------------------------- 
File        : SIM_Hardkey.c 
Purpose     : Example demonstrating the HARDKEY simulation 
---------------------------------------------------------------------- 
*/ 
 
#include "GUI.h" 
#include "SIM.h" 
#include "FRAMEWIN.h" 
#include "LISTBOX.h" 
#include  
 
/******************************************************************* 
* 
*       static variables 
* 
******************************************************************** 
*/ 
 
static const GUI_ConstString _aListBox[] = { 
  "English", "Deutsch", "Français", "Japanese", "Italiano", "Español", 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(); 
}