about.c

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/*
*********************************************************************************************************
*                                                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        : About.c
Purpose     : TBD
---------------------------END-OF-HEADER------------------------------
*/

#include <stddef.h>
#include "GUI.h"
#include "DIALOG.h"
#include "Main.h"

/*********************************************************************
*
*       Defines
*
**********************************************************************
*/
/*********************************************************************
*
*       Dialog IDs
*/
#define ID_FRAMEWIN              1

/*********************************************************************
*
*       Static data
*
**********************************************************************
*/
static char    _IsInited;
static WM_HWIN _hDlg;
static WM_HWIN _hPrevWin;

static const GUI_WIDGET_CREATE_INFO _aDialogCreate[] = {
  { FRAMEWIN_CreateIndirect, "About", ID_FRAMEWIN,   0, 480, 320, 240, 0},
  { BUTTON_CreateIndirect,   "OK",    GUI_ID_OK,   230, 140,  60,  20 },
};

static const char _aExplain[] = {
  "This sample shows how to use the virtual screen\n"
  "support for switching between different screens.\n"
  "It can be used as a starting point for developing\n"
  "your own application."
};

/*********************************************************************
*
*       Static code
*
**********************************************************************
*/
/*********************************************************************
*
*       _cbCallback
*/
static void _cbCallback(WM_MESSAGE * pMsg) {
  WM_HWIN hDlg, hWinSrc;
  int Id, NCode;
  GUI_RECT Rect;
  Rect.x0 = 10;
  Rect.y0 = 10;
  Rect.x1 = 300;
  Rect.y1 = 200;
  hWinSrc = pMsg->hWinSrc;
  hDlg = pMsg->hWin;
  switch (pMsg->MsgId) {
  case WM_INIT_DIALOG:
    WM_MakeModal(hDlg);
    FRAMEWIN_SetFont(hDlg, &GUI_Font24B_ASCII);
    FRAMEWIN_SetTextAlign(hDlg, GUI_TA_HCENTER);
    FRAMEWIN_SetClientColor(hDlg, GUI_GREEN);
    break;
  case WM_PAINT:
    GUI_SetColor(GUI_BLACK);
    GUI_SetFont(&GUI_Font16_ASCII);
    GUI_DispStringInRect(&_aExplain[0], &Rect, GUI_TA_LEFT);
    break;
  case WM_NOTIFY_PARENT:
    Id    = WM_GetId(hWinSrc);                    /* Id of widget */
    NCode = pMsg->Data.v;                         /* Notification code */
    if (NCode == WM_NOTIFICATION_RELEASED) {      /* React only if released */
      if (Id == GUI_ID_OK) {                      /* OK Button */
        GUI_EndDialog(hDlg, 0);
        WM_SetFocus(_hPrevWin);
      }
    }
    break;

  default:
    WM_DefaultProc(pMsg);
  }
}

/*********************************************************************
*
*       ExecAbout
*/
void ExecAbout(void) {
  _hPrevWin = WM_GetFocussedWindow();
  GUI_SetOrg(0, 480);
  GUI_ExecDialogBox(_aDialogCreate, GUI_COUNTOF(_aDialogCreate), &_cbCallback, 0, 0, 0);
  GUI_SetOrg(0, 0);

}