multipage.c

ucgui的3.98版本的源代码

		    LCD_SetColor(0x555555);
		    GUI_DrawVLine(r.x1 + 1, r.y0, r.y0 + 1);
	    }
    } else {
      r.y1 += pObj->Widget.pEffect->EffectSize + 1;
	    if (pObj->Widget.pEffect->EffectSize > 1) {
		    LCD_SetColor(GUI_WHITE);
		    GUI_DrawVLine(r.x0 - 1, r.y1 - 2, r.y1 - 1);
		    LCD_SetColor(0x555555);
		    GUI_DrawVLine(r.x1 + 1, r.y1 - 2, r.y1 - 1);
	    }
    }
  }
  LCD_SetColor(pObj->aBkColor[ColorIndex]);
  WIDGET__FillRectEx(&pObj->Widget, &r);
  LCD_SetBkColor(pObj->aBkColor[ColorIndex]);
  LCD_SetColor(pObj->aTextColor[ColorIndex]);
  GUI_DispStringAt(pText, r.x0 + 4, pRect->y0 + 3);
}

/*********************************************************************
*
*       Static code, multipage callbacks
*
**********************************************************************
*/
/*********************************************************************
*
*       _Paint
*/
static void _Paint(MULTIPAGE_Obj* pObj) {
  GUI_RECT rBorder;
  /* Draw border of multipage */
  _CalcBorderRect(pObj, &rBorder);
  WIDGET__EFFECT_DrawUpRect(&pObj->Widget, &rBorder);
  /* Draw text items */
  if (pObj->Handles.NumItems > 0) {
    MULTIPAGE_PAGE* pPage;
    GUI_RECT rText, rClip;
    int i, w = 0, x0 = 0;
    if (pObj->Widget.State & MULTIPAGE_STATE_SCROLLMODE) {
      if (pObj->Align & MULTIPAGE_ALIGN_RIGHT) {
        x0 = -_GetPagePosX(pObj, pObj->ScrollState);
      } else {
        x0 = -_GetPagePosX(pObj, pObj->ScrollState);
      }
    }
    _GetTextRect(pObj, &rText);
    rClip = rText;
    rClip.y0 = rText.y0 - 1;
    rClip.y1 = rText.y1 + 1;
    WM_SetUserClipRect(&rClip);
    GUI_SetFont(pObj->Font);
    for (i = 0; i < pObj->Handles.NumItems; i++) {
      pPage = (MULTIPAGE_PAGE*) GUI_ARRAY_GetpItem(&pObj->Handles, i);
      x0 += w;
      w   = GUI_GetStringDistX(&pPage->acText) + 10;
      _DrawTextItem(pObj, &pPage->acText, i, &rText, x0, w, (pPage->Status & MULTIPAGE_STATE_ENABLED) ? 1 : 0);
    }    
    WM_SetUserClipRect(NULL);
  }
}

/*********************************************************************
*
*       _ClickedOnMultipage
*/
static int _ClickedOnMultipage(MULTIPAGE_Handle hObj, MULTIPAGE_Obj* pObj, int x, int y) {
  GUI_RECT rText;
  _GetTextRect(pObj, &rText);
  if ((y >= rText.y0) && (y <= rText.y1)) {
    if ((pObj->Handles.NumItems > 0) && (x >= rText.x0) && (x <= rText.x1)) {
      int i, w = 0, x0 = rText.x0;
      /* Check if another page must be selected */
      if (pObj->Widget.State & MULTIPAGE_STATE_SCROLLMODE) {
        x0 -= _GetPagePosX(pObj, pObj->ScrollState);
      }
      for (i = 0; i < pObj->Handles.NumItems; i++) {
        x0 += w;
        w   = _GetPageSizeX(pObj, i);
        if (x >= x0 && x <= (x0 + w - 1)) {
          MULTIPAGE_SelectPage(hObj, i);
          WM_NotifyParent(hObj, WM_NOTIFICATION_VALUE_CHANGED);
          return 1;
        }
      }
    }
    return 0;
  }
  return 1;
}

/*********************************************************************
*
*       _OnTouch
*/
static void _OnTouch(MULTIPAGE_Handle hObj, MULTIPAGE_Obj* pObj, WM_MESSAGE*pMsg) {
  GUI_PID_STATE* pState;
  int Notification;
  if (pMsg->Data.p) {  /* Something happened in our area (pressed or released) */
    pState = (GUI_PID_STATE*)pMsg->Data.p;
    if (pState->Pressed) {
      int x = pState->x;
      int y = pState->y;
      if (!_ClickedOnMultipage(hObj, pObj, x, y)) {
        WM_HWIN hBelow;
        x += WM_GetWindowOrgX(hObj);
        y += WM_GetWindowOrgY(hObj);
        hBelow = WM_Screen2hWinEx(hObj, x, y);
        if (hBelow) {
          pState->x = x - WM_GetWindowOrgX(hBelow);
          pState->y = y - WM_GetWindowOrgY(hBelow);
          pMsg->hWin = hBelow;
          (*WM_H2P(hBelow)->cb)(pMsg);
        }
      } else {
        WM_BringToTop(hObj);
      }
      Notification = WM_NOTIFICATION_CLICKED;
    } else {
      Notification = WM_NOTIFICATION_RELEASED;
    }
  } else {
    Notification = WM_NOTIFICATION_MOVED_OUT;
  }
  WM_NotifyParent(hObj, Notification);
}

/*********************************************************************
*
*       _MoveSel
*
* Purpose:
*   Moves the selection into the given direction.
*
* Parameters:
*   hObj, pObj - Obvious
*   Dir        - +1 moves the selection to the next selectable page
*                -1 moves the selection to the previous selectable page
*/
static void _MoveSel(MULTIPAGE_Handle hObj, MULTIPAGE_Obj * pObj, int Dir) {
  int Sel, NewSel, ScrollPos, NumItems;
  SCROLLBAR_Handle hScroll;
  hScroll  = WM_GetScrollbarH(hObj);
  NewSel   = ScrollPos = -1;
  NumItems = pObj->Handles.NumItems;
  for (Sel = pObj->Selection + Dir; (Sel >= 0) && (Sel < NumItems) && (NewSel == -1); Sel += Dir) {
    if (_GetEnable(pObj, Sel)) {
      NewSel = Sel;
    }
  }
  if (NewSel >= 0) {
    MULTIPAGE_SelectPage(hObj, NewSel);
    ScrollPos = NewSel;
  } else {
    ScrollPos = pObj->ScrollState + Dir;
  }
  if (hScroll) {
    if ((ScrollPos >= 0) && (ScrollPos < NumItems)) {
      SCROLLBAR_SetValue(hScroll, ScrollPos);
    }
  }
}

/*********************************************************************
*
*       _AddKey
*
* Returns: 1 if Key has been consumed
*          0 else 
*/
static int _AddKey(MULTIPAGE_Handle hObj, MULTIPAGE_Obj * pObj, int Key) {
  switch (Key) {
  case GUI_KEY_PGUP:
    _MoveSel(hObj, pObj, -1);
    return 1;               /* Key has been consumed */
  case GUI_KEY_PGDOWN:
    _MoveSel(hObj, pObj, +1);
    return 1;               /* Key has been consumed */
  }
  return 0;                 /* Key has NOT been consumed */
}

/*********************************************************************
*
*       _Callback
*/
static void _Callback (WM_MESSAGE *pMsg) {
  MULTIPAGE_Handle hObj = pMsg->hWin;
  MULTIPAGE_Obj* pObj;
  int Handled;
  WM_LOCK();
  pObj = (MULTIPAGE_Obj *)GUI_ALLOC_h2p(hObj); /* Don't use use WIDGET_H2P because WIDGET_INIT_ID() has not be called at this point */
  Handled = WIDGET_HandleActive(hObj, pMsg);
  switch (pMsg->MsgId) {
  case WM_PAINT:
    _Paint(pObj);
    break;
  case WM_TOUCH:
    _OnTouch(hObj, pObj, pMsg);
    break;
  case WM_NOTIFY_PARENT:
    if (pMsg->Data.v == WM_NOTIFICATION_VALUE_CHANGED) {
      if (WM_GetId(pMsg->hWinSrc) == GUI_ID_HSCROLL) {
        pObj->ScrollState = SCROLLBAR_GetValue(pMsg->hWinSrc);
        WM_InvalidateWindow(hObj);
      }
    }
    break;
  case WM_GET_CLIENT_WINDOW:
    pMsg->Data.v = (int)pObj->hClient;
    break;
  case WM_GET_INSIDE_RECT:
    _CalcClientRect(pObj, (GUI_RECT*)(pMsg->Data.p));
    break;
  case WM_WIDGET_SET_EFFECT:
    WIDGET_SetEffect(WM_GetScrollbarH(hObj), (WIDGET_EFFECT const *)pMsg->Data.p);
  case WM_SIZE:
    _UpdatePositions(hObj, pObj);
    break;
  case WM_DELETE:
    GUI_ARRAY_Delete(&pObj->Handles);
    /* No break here ... WM_DefaultProc needs to be called */
  default:
    /* Let widget handle the standard messages */
    if (Handled) {
      WM_DefaultProc(pMsg);
    }
  }
  WM_UNLOCK();
}

/*********************************************************************
*
*       _ClientCallback
*/
static void _ClientCallback(WM_MESSAGE* pMsg) {
  WM_HWIN hObj = pMsg->hWin;
  WM_HWIN hParent = WM_GetParent(hObj);
  MULTIPAGE_Obj* pParent;
  WM_LOCK();
  pParent = (MULTIPAGE_Obj *)GUI_ALLOC_h2p(hParent); /* Don't use use WIDGET_H2P because WIDGET_INIT_ID() has not be called at this point */
  switch (pMsg->MsgId) {
  case WM_PAINT:
    LCD_SetBkColor(pParent->aBkColor[1]);
    GUI_Clear();
    break;
  case WM_TOUCH:
    WM_SetFocus(hParent);
    WM_BringToTop(hParent);
    break;
  case WM_GET_CLIENT_WINDOW:
    pMsg->Data.v = (int)hObj;
    break;
  case WM_KEY:
    if (((const WM_KEY_INFO*)(pMsg->Data.p))->PressedCnt > 0) {
      int Key;
      Key = ((const WM_KEY_INFO*)(pMsg->Data.p))->Key;
      if (_AddKey(hParent, pParent, Key)) {
        break;
      }
    }
    /* No break here ... WM_DefaultProc needs to be called */
  case WM_GET_INSIDE_RECT:
    WM_DefaultProc(pMsg);
  }
  WM_UNLOCK();
}

/*********************************************************************
*
*       Private routines
*
**********************************************************************
*/
/*********************************************************************
*
*       MULTIPAGE_h2p
*/
#if GUI_DEBUG_LEVEL >= GUI_DEBUG_LEVEL_CHECK_ALL
MULTIPAGE_Obj * MULTIPAGE_h2p(MULTIPAGE_Handle h) {
  MULTIPAGE_Obj * p = (MULTIPAGE_Obj *)GUI_ALLOC_h2p(h);
  if (p) {
    if (p->DebugId != MULTIPAGE_ID) {
      GUI_DEBUG_ERROROUT("MULTIPAGE.c: Wrong handle type or Object not init'ed");
      return 0;
    }
  }
  return p;
}
#endif

/*********************************************************************
*
*       Exported routines:  Create
*
**********************************************************************
*/

/* Note: the parameters to a create function may vary.
         Some widgets may have multiple create functions */

/*********************************************************************
*
*       MULTIPAGE_CreateEx
*/
MULTIPAGE_Handle MULTIPAGE_CreateEx(int x0, int y0, int xsize, int ysize, WM_HWIN hParent,
                                    int WinFlags, int ExFlags, int Id)
{
  MULTIPAGE_Handle hObj;
  GUI_USE_PARA(ExFlags);
  /* Create the window */
  hObj = WM_CreateWindowAsChild(x0, y0, xsize, ysize, hParent, WinFlags | WM_CF_HASTRANS, &_Callback,
                                sizeof(MULTIPAGE_Obj) - sizeof(WM_Obj));
  if (hObj) {
    MULTIPAGE_Obj* pObj;
    GUI_RECT rClient;
    int Flags;
    WM_LOCK();
    pObj = (MULTIPAGE_Obj *)GUI_ALLOC_h2p(hObj); /* Don't use use WIDGET_H2P because WIDGET_INIT_ID() has not be called at this point */
    /* Init sub-classes */
    GUI_ARRAY_CREATE(&pObj->Handles);
    /* init widget specific variables */
    WIDGET__Init(&pObj->Widget, Id, WIDGET_STATE_FOCUSSABLE);
    /* init member variables */
    MULTIPAGE_INIT_ID(pObj);
    pObj->aBkColor[0]     = MULTIPAGE__DefaultBkColor[0];
    pObj->aBkColor[1]     = MULTIPAGE__DefaultBkColor[1];
    pObj->aTextColor[0]   = MULTIPAGE__DefaultTextColor[0];
    pObj->aTextColor[1]   = MULTIPAGE__DefaultTextColor[1];
    pObj->Font            = MULTIPAGE__pDefaultFont;
    pObj->Align           = MULTIPAGE__DefaultAlign;
    pObj->Selection       = 0xffff;
    pObj->ScrollState     = 0;
    pObj->Widget.State    = 0;
    _CalcClientRect(pObj, &rClient);
    Flags = WM_CF_SHOW | WM_CF_ANCHOR_LEFT | WM_CF_ANCHOR_RIGHT | WM_CF_ANCHOR_TOP | WM_CF_ANCHOR_BOTTOM;
    pObj->hClient = WM_CreateWindowAsChild(rClient.x0, rClient.y0,
                                           rClient.x1 - rClient.x0 + 1,
                                           rClient.y1 - rClient.y0 + 1,
                                           hObj, Flags, &_ClientCallback, 0);
    _UpdatePositions(hObj, pObj);