dialog_messagebox.c

uc/os下的gui,友好的交互界面可以使你的产品更有吸引力

/*********************************************************************
*                SEGGER MICROCONTROLLER SYSTEME GmbH                 *
*        Solutions for real time microcontroller applications        *
*                                                                    *
*                    emWin GSC sample code                           *
*                                                                    *
**********************************************************************

----------------------------------------------------------------------
File        : DIALOG_MessageBox.c
Purpose     : Example demonstrating GUI_MessageBox
----------------------------------------------------------------------
*/

#include "GUI.h"
#include "WM.h"

/*******************************************************************
*
*       static code
*
********************************************************************
*/

/*********************************************************************
*
*       _cbBkWindow
*/
static void _cbBkWindow(WM_MESSAGE* pMsg) {
  switch (pMsg->MsgId) {
  case WM_PAINT:
    GUI_SetBkColor(GUI_RED);
    GUI_Clear();
    GUI_SetColor(GUI_WHITE);
    GUI_SetFont(&GUI_Font24_ASCII);
    GUI_DispStringHCenterAt("DIALOG_MessageBox - Sample", 160, 5);
    break;
  default:
    WM_DefaultProc(pMsg);
  }
}

/*******************************************************************
*
*       MainTask
*
*       Demonstrates a message box
*
********************************************************************
*/

void MainTask(void) {
  GUI_Init();
  WM_SetCallback(WM_HBKWIN, &_cbBkWindow);
  /* Create message box and wait until it is closed */
  while (1) {
    GUI_MessageBox("This text is shown\nin a message box",
                   "Caption/Title", GUI_MESSAGEBOX_CF_MOVEABLE);
    GUI_Delay(750);                    /* Wait for a short moment ... */
    GUI_MessageBox("New message !",
                   "Caption/Title", GUI_MESSAGEBOX_CF_MOVEABLE);
    GUI_Delay(750);
  }
}