/***********************************************************************************************************                                                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        : MARQUEE.cPurpose     : emWin GSC bitmap widget, which allows to show blinking              bitmaps----------------------------------------------------------------------Version-Date---Author-Explanation----------------------------------------------------------------------1.02     001011 RS     a) Debug info (logging option) added.                       b) Support for Zero-time (transparent)                          bitmaps added.1.00     000613 RS     Release.0.50     000223 RS     First (Beta) release0.00     000107 RS     Start of development----------------------------------------------------------------------Known problems or limitations with current version----------------------------------------------------------------------None.----------------------------------------------------------------------Open issues----------------------------------------------------------------------None---------------------------END-OF-HEADER------------------------------*/#include "stdlib.h"#include "string.h"#include "MARQUEE.h"#include "GUIDEBUG.h"#include "GUI.h"#if GUI_WINSUPPORT/*  *****************************************************************  *                                                               *  *              Config defaults                                  *  *                                                               *  ******************************************************************/#ifndef MARQUEE_LOG_ENABLE  #ifdef _DEBUG    #define MARQUEE_LOG_ENABLE 0  #else    #define MARQUEE_LOG_ENABLE 0  #endif#endif/*  *****************************************************************  *  *              Internal macros  *  ******************************************************************/#define Invalidate(h) WM_InvalidateWindow(h)#if MARQUEE_LOG_ENABLE  #define LOG(s) SIM_Log(s)  #define LOG1(s,p1) SIM_Log(s,p1)  #define LOG_TIME() SIM_LogTime()#else  #define LOG(s)  #define LOG1(s)  #define LOG_TIME()#endif/*      *************************************************************      *                                                           *      *                 LIST ITEM  definition                     *      *                                                           *      **************************************************************//*      *************************************************************      *                                                           *      *                 Object definition                         *      *                                                           *      **************************************************************/typedef struct {  WM_Obj WMObj;  GUI_TIMER_Handle hTimer;  WM_HMEM hpText;  GUI_COLOR TextColor;  GUI_COLOR BkColor;  const GUI_FONT* pFont;#ifdef _DEBUG  int Id;#endif  } MARQUEE_Obj;/*  *****************************************************************  *                                                               *  *              Static data                                      *  *                                                               *  ******************************************************************//* None *//*  ********************************************************************  *                                                                  *  *                 Macros for internal use                          *  *                                                                  *  *********************************************************************/#define MARQUEE_ID 0x4249544d#define MARQUEE_H2P(h) (MARQUEE_Obj*) WM_HMEM2Ptr(h)#define LI_H2P(h)     (LI_Obj*)     WM_HMEM2Ptr(h)#ifdef _DEBUG  #define MARQUEE_ASSERT_IS_VALID_PTR(p) WM_ASSERT(p->Id == MARQUEE_ID)  #define MARQUEE_INIT_ID(p)   p->Id = MARQUEE_ID  #define MARQUEE_DEINIT_ID(p) p->Id = MARQUEE_ID+1#else  #define MARQUEE_ASSERT_IS_VALID_PTR(p)  #define MARQUEE_INIT_ID(p)  #define MARQUEE_DEINIT_ID(p)#endif/*  ********************************************************************  *                                                                  *  *                    Static routines                               *  *                                                                  *  *********************************************************************/static void FreeAttached(MARQUEE_Handle hObj) {  MARQUEE_Obj* pObj = MARQUEE_H2P(hObj);  WM_FREEPTR(&pObj->hpText);}static void Paint(MARQUEE_Obj* pObj/*, GUI_RECT*pRect*/) {  const char*s = (const char*) WM_HMEM2Ptr(pObj->hpText);  GUI_SetFont    (pObj->pFont);  GUI_SetBkColor (pObj->BkColor);  GUI_SetColor   (pObj->TextColor);  GUI_DispStringAt(s,0,0);  LOG_TIME(); LOG("MARQUEE: Paint(..)\n");}static void Delete(MARQUEE_Obj* pObj) {  if (pObj->hTimer) {    GUI_TIMER_Delete(pObj->hTimer);    pObj->hTimer =0;	}  if (pObj->hpText) {//    GUI_ALLOC_Free(hLI);    LOG_TIME(); LOG("MARQUEE: Delete: Deleting attached string\n");  }}static void _Callback (WM_MESSAGE * pMsg) {  MARQUEE_Handle hObj = (MARQUEE_Handle)pMsg->hWin;  MARQUEE_Obj* pObj = MARQUEE_H2P(hObj);  switch (pMsg->MsgId) {  case WM_PAINT:    LOG_TIME(); LOG("MARQUEE: _Callback(WM_PAINT)\n");    Paint(pObj/*, (GUI_RECT*)pMsg->Data.p*/);    return;  case WM_DELETE:    LOG_TIME(); LOG("MARQUEE: _Callback(WM_DELETE)\n");    Delete(pObj);    break;       /* No return here ... WM_DefaultProc needs to be called */#if MARQUEE_LOG_ENABLE  /* Debug code ... normally not compiled */  case WM_CREATE:    LOG_TIME(); LOG("MARQUEE: _Callback(WM_CREATE)\n");    break;       /* No return here ... WM_DefaultProc needs to be called */  default:    LOG_TIME(); LOG("MARQUEE: _Callback(unhandle message)\n");#endif  }  WM_DefaultProc(pMsg);}static void cbTimer (GUI_TIMER_MESSAGE *pMsg) {  MARQUEE_Handle hObj = pMsg->Context;  MARQUEE_Obj*   pObj = MARQUEE_H2P(hObj);  pObj = pObj;  MARQUEE_ASSERT_IS_VALID_PTR(pObj);  LOG_TIME(); LOG("MARQUEE: cbTimer\n");//  ShowNext(pObj);}/*  ********************************************************************  *                                                                  *  *        Exported routines:  Create                                *  *                                                                  *  *********************************************************************//* Note: the parameters to a create function may vary.         Some widgets may have multiple create functions */MARQUEE_Handle MARQUEE_Create      (                                    int x0, int y0, int xsize, int ysize,                                    int Flags){  /* Alloc memory for obj */  MARQUEE_Handle hObj =  WM_CreateWindow(x0, y0, xsize, ysize,                  WM_CF_SHOW |Flags, _Callback,                  sizeof(MARQUEE_Obj)-sizeof(WM_Obj));  if (hObj) {    MARQUEE_Obj* pObj = MARQUEE_H2P(hObj);    /* init widget specific variables */    /* init member variables */    MARQUEE_INIT_ID(pObj);    pObj->pFont =GUI_DEFAULT_FONT;    pObj->BkColor   = GUI_BLACK;    pObj->TextColor = GUI_WHITE;/* Create Timer */    pObj->hTimer = GUI_TIMER_Create(cbTimer,		                            0,    /* Time, 0 means not yet active */                                hObj, /* Instance handle */																0);  }  return hObj;}/*  ********************************************************************  *                                                                  *  *        Exported routines:  Various methods                       *  *                                                                  *  *********************************************************************/void MARQUEE_SetText(MARQUEE_Handle hObj, const char* s) {  MARQUEE_Obj* pObj = MARQUEE_H2P(hObj);  FreeAttached(hObj);  {    WM_HMEM hMem = WM_ALLOC(strlen(s)+1);    strcpy((char *) WM_HMEM2Ptr(hMem), s);    pObj->hpText = hMem;  }  Invalidate(hObj);}void MARQUEE_SetFont(MARQUEE_Handle hObj, const GUI_FONT* pfont) {  MARQUEE_Obj* pObj = MARQUEE_H2P(hObj);  pObj->pFont = pfont;  Invalidate(hObj);}void MARQUEE_SetBkColor(MARQUEE_Handle hObj, GUI_COLOR color) {  MARQUEE_Obj* pObj = MARQUEE_H2P(hObj);  pObj->BkColor = color;  Invalidate(hObj);}void MARQUEE_SetTextColor(MARQUEE_Handle hObj, GUI_COLOR color) {  MARQUEE_Obj* pObj = MARQUEE_H2P(hObj);  pObj->TextColor = color;  Invalidate(hObj);}#elsevoid WIDGET_Marquee(void) {} /* avoid empty object files */#endif