www.pudn.com > uC-GUI-V3-98.zip > About.c

/* 
********************************************************************************************************* 
*                                                uC/GUI 
*                        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        : About.c 
Purpose     : TBD 
---------------------------END-OF-HEADER------------------------------ 
*/ 
 
#include  
#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); 
 
}