widget_messagebox.c

UCOS2+UCGUI移植到KEIL C51的源代码

/*
*********************************************************************************************************
*                                                礐/GUI
*                        Universal graphic software for embedded applications
*
*                       (c) Copyright 2002, Micrium Inc., Weston, FL
*                       (c) Copyright 2000, SEGGER Microcontroller Systeme GmbH          
*
*              礐/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        : WIDGET_MessageBox.c
* Purpose     : 礐/GUI sample code demonstrating GUI_MessageBox
*********************************************************************************************************
*/


#include "GUI.h"

/*******************************************************************
*
*                Callback of background window
*
********************************************************************

  This routine is only used to show something in the background

*/

static WM_RESULT Callback(const WM_MESSAGE * wm) {
  static int DoIt;
  switch (wm->MsgId) {
  case WM_PAINT:
    GUI_SetBkColor(0xFF00);
    GUI_SetFont(&GUI_Font8x16);
    GUI_SetColor(GUI_RED);
    GUI_Clear();
    if (DoIt^=1)
      GUI_DispStringAt("Hello world",0,0);
    break;
  }
}

/*******************************************************************
*
*           Creates background window and messagebox
*
********************************************************************
*/

static void DemoMessageBox(void) {
  while(1) {
    /* Create background window */
    WM_HWIN hWin = WM_CreateWindow(50, 50 ,150, 50, WM_CF_SHOW, &Callback, 0);
    GUI_Delay(500);
    /* Create message box */
    GUI_MessageBox("This text is shown\nin a message box","Caption/Title",0);
    GUI_Clear();
    GUI_Delay(500);
    WM_DeleteWindow(hWin);
    GUI_Clear();
    GUI_Delay(500);
  }
}

/*******************************************************************
*
*                 main
*
********************************************************************
*/

void main(void) {
  GUI_Init();
  DemoMessageBox();
}