gui_editstring.c

在ucos上实现了图形用户接口GUI；值得一看

/*
*********************************************************************************************************
*                                                uC/GUI
*                        Universal graphic software for embedded applications
*
*                       (c) Copyright 2002, Micrium Inc., Weston, FL
*                       (c) Copyright 2002, 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        : GUI_EditString.c
Purpose     : Widget, add. module
----------------------------------------------------------------------
*/

#include "EDIT.h"
#include "GUI_Protected.h"
#include "EDIT_Private.h"

#if GUI_WINSUPPORT

/*********************************************************************
*
*             Exported routines
*
**********************************************************************
*/

void GUI_EditString(char * pString, int Len, int xsize) {
  int Key, x, y, ysize, Id;
  EDIT_Handle hEdit;
  EDIT_Obj* pObj;
  const GUI_FONT * pOldFont = GUI_SetFont(EDIT_GetDefaultFont());
  x = GUI_GetDispPosX();
  y = GUI_GetDispPosY();
  if (xsize == 0)
    xsize = GUI_GetCharDistX('X') * Len + 6;
  ysize = GUI_GetFontSizeY();
  Id = 0x1234;
  hEdit = EDIT_Create(x, y, xsize, ysize, Id, Len, 0);
  EDIT_SetText(hEdit, pString);
  pObj = EDIT_H2P(hEdit);
  WM_SetFocus(hEdit);
  do {
    Key = GUI_WaitKey();
  } while ((Key != GUI_KEY_ESCAPE) && (Key != GUI_KEY_ENTER) && (Key != 0));
  if (Key == GUI_KEY_ENTER)
    EDIT_GetText(hEdit, pString, pObj->MaxLen);
  GUI_SetFont(pOldFont);
  EDIT_Delete(hEdit);
}

#else /* avoid empty object files */

void GUI_EditString_C(void);

#endif