www.pudn.com > uC-GUI-V3-98.zip > DIALOG_MessageBox.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        : 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(); 
  #if GUI_SUPPORT_MEMDEV 
    WM_SetCreateFlags(WM_CF_MEMDEV); 
  #endif 
  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); 
  } 
}