/***********************************************************************************************************                                                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        : EDIT.cPurpose     : emWin GSC button widget---------------------------END-OF-HEADER------------------------------*/#include <stdlib.h>#include <string.h>#define EDIT_C       /* Required to generate intermodule data */#include "EDIT.h"#include "GUIDebug.h"#include "GUI_Protected.h"#include "EDIT_Private.h"#if GUI_WINSUPPORT/***********************************************************************       Private config defaults************************************************************************/#ifndef EDIT_LOG_ENABLE  #ifdef _DEBUG    #define EDIT_LOG_ENABLE 0  #else    #define EDIT_LOG_ENABLE 0  #endif#endif/* Define default fonts */#ifndef EDIT_FONT_DEFAULT  #define EDIT_FONT_DEFAULT &GUI_FontHZ12#endif#ifndef EDIT_ALIGN_DEFAULT  #define EDIT_ALIGN_DEFAULT GUI_TA_LEFT | GUI_TA_VCENTER#endif/* Define colors */#ifndef EDIT_BKCOLOR0_DEFAULT  #define EDIT_BKCOLOR0_DEFAULT 0xc0c0c0#endif#ifndef EDIT_BKCOLOR1_DEFAULT  #define EDIT_BKCOLOR1_DEFAULT GUI_WHITE#endif#ifndef EDIT_TEXTCOLOR0_DEFAULT  #define EDIT_TEXTCOLOR0_DEFAULT GUI_BLACK#endif#ifndef EDIT_TEXTCOLOR1_DEFAULT  #define EDIT_TEXTCOLOR1_DEFAULT GUI_BLACK#endif#ifndef EDIT_BORDER_DEFAULT  #define EDIT_BORDER_DEFAULT 1#endif#ifndef EDIT_XOFF  #define EDIT_XOFF 2#endif/***********************************************************************       Static data************************************************************************/static int _DefaultAlign              = EDIT_ALIGN_DEFAULT;static int _DefaultBorder             = EDIT_BORDER_DEFAULT;static const GUI_FONT * _pDefaultFont = EDIT_FONT_DEFAULT;/***********************************************************************       Macros for internal use************************************************************************/#if GUI_DEBUG_LEVEL >= GUI_DEBUG_LEVEL_CHECK_ALL  #define OBJECT_ID 0x4569   /* Magic nubmer, should be unique if possible */  #define INIT_ID(p)   p->DebugId = OBJECT_ID  #define DEINIT_ID(p) p->DebugId = 0#else  #define INIT_ID(p)  #define DEINIT_ID(p)#endif/***********************************************************************       Static routines************************************************************************/#if GUI_DEBUG_LEVEL >= GUI_DEBUG_LEVEL_CHECK_ALLEDIT_Obj* EDIT_h2p(EDIT_Handle h) {  EDIT_Obj* p = (EDIT_Obj*)WM_HMEM2Ptr(h);  if (p) {    if (p->DebugId != OBJECT_ID) {      GUI_DEBUG_ERROROUT("EDIT.C: Wrong handle type or Object not init'ed");      return 0;    }  }  return p;}#endif/***********************************************************************       _Paint*/static void _Paint(EDIT_Obj* pObj) {  int PixelLen, xSize, ySize, xPosText, xPosCursor, yPosText, yPosCursor, XSizeCursor, YSizeCursor;  int IsEnabled;  GUI_RECT rClient, rWindow;  char * s;  s = (char*) WM_HMEM2Ptr(pObj->hpText);  GUI_DEBUG_LOG("BUTTON: _Paint(..)\n");  if (pObj->Border) {    GUI_SetBkColor(pObj->aBkColor[0]);    GUI_Clear();  }  IsEnabled = WIDGET__IsEnabled(&pObj->Widget);  /* Set clipping rectangle */  WIDGET__GetInsideRect(&pObj->Widget, &rWindow);  WM_SetUserClipRect(&rWindow);  /* Calculate size */  GUI_GetClientRect(&rClient);  xSize = rClient.x1 - rClient.x0 + 1;  ySize = rClient.y1 - rClient.y0 + 1;  /* Draw background */  GUI_SetBkColor (pObj->aBkColor[IsEnabled]);  GUI_SetColor   (pObj->aTextColor[0]);  GUI_Clear();  /* Calculate length */  GUI_SetFont    (pObj->pFont);  PixelLen = GUI_GetStringDistX(s);  /* Calculate size of cursor */  YSizeCursor = GUI_GetFontDistY();  if (pObj->EditMode == GUI_EDIT_MODE_INSERT) {    if (pObj->XSizeCursor != 0) {      XSizeCursor = pObj->XSizeCursor;    } else {      XSizeCursor = GUI_GetCharDistX(' ');    }  } else {    if (pObj->CursorPos < (int)strlen(s))  {      XSizeCursor = GUI_GetCharDistX(*(s + pObj->CursorPos));    } else {      XSizeCursor = pObj->XSizeCursor;    }  }  /* Calculate X-pos */  switch (pObj->Align & GUI_TA_HORIZONTAL) {    case GUI_TA_CENTER:      xPosCursor = (xSize - PixelLen + 1) / 2;      xPosText = xSize / 2;      break;    case GUI_TA_LEFT:      xPosCursor = pObj->Border + EDIT_XOFF;      xPosText   = pObj->Border + EDIT_XOFF;      break;    case GUI_TA_RIGHT:      xPosCursor = xSize - (pObj->Border + EDIT_XOFF) - PixelLen;      xPosText   = xSize - (pObj->Border + EDIT_XOFF);      break;  }  /* Calculate Y-pos */  switch (pObj->Align & GUI_TA_VERTICAL) {    case GUI_TA_TOP:      yPosCursor = 0;      yPosText = 0;      break;    case GUI_TA_BOTTOM:      yPosCursor = ySize - YSizeCursor;      yPosText = ySize;      break;    case GUI_TA_VCENTER:      yPosCursor = (ySize - YSizeCursor + 1) / 2;      yPosText = ySize / 2;      break;  }  /* Display text */  GUI_SetTextAlign(pObj->Align);  GUI_DispStringAt(s, xPosText, yPosText);  /* Display cursor */  if (pObj->Widget.State & WIDGET_STATE_FOCUS) {    int i;    for (i = 0; i != pObj->CursorPos; i++) {      xPosCursor += GUI_GetCharDistX(*(s + i));    }    GUI_InvertRect(xPosCursor,                    yPosCursor,                    xPosCursor + XSizeCursor - 1,                    yPosCursor + YSizeCursor - 1);  }  WM_SetUserClipRect(NULL);  /* Draw the 3D effect (if configured) */  WIDGET__EFFECT_DrawDown(&pObj->Widget);}/***********************************************************************       _Delete*/static void _Delete(EDIT_Obj* pObj) {  WM_FREEPTR(&pObj->hpText);}/***********************************************************************       _SetCursor*/static void _SetCursor(EDIT_Handle hObj, EDIT_Obj* pObj, int x) {  int xPos, xSize, PixelLen, Len;  char * s = (char*) WM_HMEM2Ptr(pObj->hpText);  const GUI_FONT *pOldFont = GUI_SetFont(pObj->pFont);  xSize = WM_GetWindowSizeX(hObj);  PixelLen = GUI_GetStringDistX(s);  xPos = x;  switch (pObj->Align & GUI_TA_HORIZONTAL) {    case GUI_TA_CENTER:      xPos -= (xSize - PixelLen + 1) / 2;      break;    case GUI_TA_LEFT:      xPos -= (pObj->Border + EDIT_XOFF);      break;    case GUI_TA_RIGHT:      xPos -= xSize - PixelLen - (pObj->Border + EDIT_XOFF);      break;  }  Len = strlen(s);  if (xPos < 0) {    pObj->CursorPos = 0;  } else if (xPos > PixelLen) {    pObj->CursorPos = Len;  } else {    int i, x;    for (i = 0, x = 0; (i < Len) && (x < xPos); i++) {      int xLenChar = GUI_GetCharDistX(*(s + i));      if (xPos < (x + xLenChar))        break;      x += xLenChar;    }    pObj->CursorPos = i;    EDIT_Invalidate(hObj);  }  GUI_SetFont(pOldFont);}/***********************************************************************       _OnTouch*/static void _OnTouch(EDIT_Handle hObj, EDIT_Obj* pObj, WM_MESSAGE*pMsg) {  GUI_TOUCH_tState* pState = (GUI_TOUCH_tState*)pMsg->Data.p;  if (pMsg->Data.p) {  /* Something happened in our area (pressed or released) */    if (pState->Pressed) {      GUI_DEBUG_LOG1("EDIT__Callback(WM_TOUCH, Pressed, Handle %d)\n",1);      _SetCursor(hObj, pObj, pState->x);      WM_SetFocus(hObj);    } else {      GUI_DEBUG_LOG1("EDIT__Callback(WM_TOUCH, Released, Handle %d)\n",1);    }  } else {    GUI_DEBUG_LOG1("_EDIT_Callback(WM_TOUCH, Moved out, Handle %d)\n",1);  }}/***********************************************************************       Callback*/static void EDIT__Callback (WM_MESSAGE * pMsg) {  int IsEnabled;  EDIT_Handle hObj = (EDIT_Handle)pMsg->hWin;  EDIT_Obj* pObj = (EDIT_Obj*)WM_HMEM2Ptr(hObj);  IsEnabled = WIDGET__IsEnabled(&pObj->Widget);  /* Let widget handle the standard messages */  if (WIDGET_HandleActive(hObj, pMsg) == 0) {    return;  }  switch (pMsg->MsgId) {  case WM_TOUCH:    if (IsEnabled) {      _OnTouch(hObj, pObj, pMsg);    }    break;  case WM_PAINT:    GUI_DEBUG_LOG("EDIT: _Callback(WM_PAINT)\n");    _Paint(pObj);    return;  case WM_DELETE:    GUI_DEBUG_LOG("EDIT: _Callback(WM_DELETE)\n");    _Delete(pObj);    break;       /* No return here ... WM_DefaultProc needs to be called */  case WM_KEY:    if (IsEnabled) {      if ( ((WM_KEY_INFO*)(pMsg->Data.p))->PressedCnt >0) {        int Key = ((WM_KEY_INFO*)(pMsg->Data.p))->Key;        switch (Key) {          case GUI_KEY_TAB:            break;                    /* Send to parent by not doing anything */          default:            EDIT_AddKey(hObj, Key);            return;        }