/***********************************************************************************************************                                                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        : TEMPLATE.cPurpose     : Template for new emWin GSC widgets----------------------------------------------------------------------Version-Date---Author-Explanation----------------------------------------------------------------------0.0     yymmdd 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 "GUI.h"#if GUI_WINSUPPORT#include "TERMINAL.h"#include "GUIDebug.h"/***********************************************************************              Private config defaults************************************************************************//* None *//***********************************************************************                 Object definition************************************************************************/typedef struct {  WM_Obj WMObj;  WM_HMEM hpText;  I16 MaxLen;  const GUI_FONT* pFont;  int Flags;  #if GUI_DEBUG_LEVEL >1    int DebugId;  #endif  } TERMINAL_Obj;/***********************************************************************              Static data************************************************************************//* None *//***********************************************************************                 Macros for internal use************************************************************************/#define TERMINAL_H2P(h) ((TERMINAL_Obj*)WM_HMEM2Ptr(h))#define Invalidate(h) WM_InvalidateWindow(h)#if GUI_DEBUG_LEVEL >1  #define OBJECT_ID 0x5565   /* Magic numer, should be unique if possible */  #define ASSERT_IS_VALID_PTR(p) GUI_DEBUG_ERROROUT_IF(p->DebugId != OBJECT_ID, "EDIT.C: Wrong handle type or Object not init'ed")  #define INIT_ID(p)   p->DebugId = OBJECT_ID  #define DEINIT_ID(p) p->DebugId = 0#else  #define ASSERT_IS_VALID_PTR(p)  #define INIT_ID(p)  #define DEINIT_ID(p)#endif/***********************************************************************                 Static routines************************************************************************/static void Paint(TERMINAL_Obj* pObj/*, GUI_RECT*pRect*/) {  char*s = (char*) WM_HMEM2Ptr(pObj->hpText);  GUI_RECT rClient;  GUI_DEBUG_LOG("TERMINAL: Paint(..)\n");  GUI_GetClientRect(&rClient);/* Draw background */  GUI_SetBkColor (GUI_WHITE/*pObj->aBkColor[0]*/);  GUI_SetColor   (GUI_BLACK /*pObj->aTextColor[0]*/);  GUI_Clear();/* Draw the text */    {    GUI_RECT rText = rClient;    rText.x0 +=3;//    GUI_SetFont    (pObj->pFont);    GUI_DispStringInRect(s, &rText, GUI_TA_LEFT);  }}static void Delete(TERMINAL_Obj* pObj) {  if (pObj->hpText) {    GUI_ALLOC_Free(pObj->hpText);    pObj->hpText = 0;    GUI_DEBUG_LOG("TERMINAL: Delete: Deleting attached string\n");  }}static WM_RESULT _TERMINAL_Callback (/*const*/ WM_MESSAGE*pMsg) {  TERMINAL_Handle hObj = pMsg->hWin;  TERMINAL_Obj* pObj = TERMINAL_H2P(hObj);  switch (pMsg->MsgId) {  case WM_PAINT:    GUI_DEBUG_LOG("BUTTON: _Callback(WM_PAINT)\n");    Paint(pObj/*, (GUI_RECT*)pMsg->Data.p*/);    return;  case WM_DELETE:    GUI_DEBUG_LOG("EDIT: _Callback(WM_DELETE)\n");    Delete(pObj);    break;       /* No return here ... WM_DefaultProc needs to be called */  }  WM_DefaultProc(pMsg);}/***********************************************************************           Exported routines:  Create************************************************************************//* Note: the parameters to a create function may vary.         Some widgets may have multiple create functions */TERMINAL_Handle TERMINAL_CreateAsChild( int x0, int y0, int xsize, int ysize, WM_HWIN hWinParent, int MaxLen, int Flags) {  TERMINAL_Handle hObj = WM_CreateWindowAsChild(x0, y0, xsize, ysize, hWinParent,                        Flags, _TERMINAL_Callback,                       sizeof(TERMINAL_Obj)-sizeof(WM_Obj));  if (hObj) {    TERMINAL_Obj* pObj = TERMINAL_H2P(hObj);    pObj->hpText = WM_ALLOC(MaxLen+1);    /* init member variables */    if (pObj->hpText ==0) {      GUI_DEBUG_ERROROUT("TERMINAL_Create failed to alloc buffer");      TERMINAL_Delete(hObj);      hObj =0;    }    pObj->MaxLen = MaxLen;  } else {    GUI_DEBUG_ERROROUT_IF(hObj==0, "TERMINAL_Create failed")  }  return hObj;}TERMINAL_Handle TERMINAL_Create(int x0, int y0, int xsize, int ysize, int MaxLen, int Flags) {  return TERMINAL_CreateAsChild(x0, y0, xsize, ysize, 0/* hWinParent */,  MaxLen, Flags);}TERMINAL_Handle TERMINAL_CreateIndirect(const GUI_WIDGET_CREATE_INFO* pCreateInfo, WM_HWIN hWinParent, int x0, int y0, WM_CALLBACK* cb) {  TERMINAL_Handle  hThis;  GUI_USE_PARA(cb);  hThis = TERMINAL_CreateAsChild(pCreateInfo->x0 + x0, pCreateInfo->y0 + y0, pCreateInfo->xSize, pCreateInfo->ySize,                                 hWinParent, pCreateInfo->Id, pCreateInfo->Flags);  return hThis;}/***********************************************************************        Exported routines:  Various methods************************************************************************/void TERMINAL_SetFont(TERMINAL_Handle hObj, const GUI_FONT* pfont) {  TERMINAL_Obj* pObj = TERMINAL_H2P(hObj);  pObj->pFont = pfont;  Invalidate(hObj);}void TERMINAL_Add(TERMINAL_Handle hObj, const char* sAdd) {  if (!sAdd) {    GUI_DEBUG_WARN("TERMINAL_Add: NULL pointer passed");    return;  }  if (hObj) {    TERMINAL_Obj* pObj = TERMINAL_H2P(hObj);    char* sBuffer = (char*) WM_HMEM2Ptr(pObj->hpText);    int AddLen = strlen(sAdd);    int NewLen = AddLen+strlen(sBuffer);    if (AddLen > pObj->MaxLen) {      GUI_DEBUG_WARN("TERMINAL_Add: String longer than buffer !");      return;    }    /* Make space in buffer if necessary */    if (NewLen > pObj->MaxLen) {      *sBuffer =0;    }    sBuffer+= strlen(sBuffer);     memcpy(sBuffer, sAdd, AddLen);    *(sBuffer+AddLen) = 0;    Invalidate(hObj);  }}void TERMINAL_GetText(TERMINAL_Handle hObj, char* sDest, int MaxLen) {  TERMINAL_Obj* pObj = TERMINAL_H2P(hObj);  if (pObj) {    char * sSource = (char*) WM_HMEM2Ptr(pObj->hpText);    int Len = strlen(sSource);    if (Len > (MaxLen - 1))      Len = MaxLen - 1;    memcpy((void *)sDest, (const void *)sSource, Len);    *(sDest+Len) = 0;  }}#elsevoid WIDGET_Terminal(void) {} /* avoid empty object files */#endif   /* if GUI_WINSUPPORT */