C++ ObjOf函数代码示例

/*
 * This function sets the information inside the file selector.
 */
void setCDKAlphalistContents (CDKALPHALIST *alphalist, char *list[], int listSize)
{
   /* Declare local variables. */
   CDKSCROLL *scrollp	= (CDKSCROLL *)alphalist->scrollField;
   CDKENTRY *entry	= (CDKENTRY *)alphalist->entryField;
   int x;

   freeCharList (alphalist->list, alphalist->listSize);

   /* We need to sort the list before we use it. */
   sortList (list, listSize);

   /* Copy in the new information. */
   alphalist->listSize		= listSize;
   for (x=0; x < listSize; x++)
   {
      alphalist->list[x] = copyChar (list[x]);
   }

   /* Set the information in the scrolling list. */
   setCDKScroll (scrollp, list, listSize, NONUMBERS, scrollp->highlight, ObjOf(scrollp)->box);

   /* Clean out the entry field. */
   cleanCDKEntry (entry);

   /* Redraw the alphalist. */
   eraseCDKAlphalist (alphalist);
   drawCDKAlphalist (alphalist, ObjOf(alphalist)->box);
}

/*
 * This injects a single character into the file selector.
 */
char *injectCDKFselect (CDKFSELECT *fselect, chtype input)
{
   /* Declare local variables. */
   char		*filename;
   boolean	file;

   /* Let the user play. */
   filename = injectCDKEntry (fselect->entryField, input);

   /* Copy the entry field exitType to the fileselector. */
   fselect->exitType = fselect->entryField->exitType;

   /* If we exited early, make sure we don't interpret it as a file. */
   if (fselect->exitType == vEARLY_EXIT)
   {
      return 0;
   }

   /* Can we change into the directory? */
   file = chdir (filename);
   chdir (fselect->pwd);

   /* If it's not a directory, return the filename. */
   if (file != 0)
   {
      /* It's a regular file, create the full path. */
      fselect->pathname = copyChar (filename);

      /* Return the complete pathname. */
      return (fselect->pathname);
   }
   else
   {
      /* Set the file selector information. */
      setCDKFselect (fselect, filename,
			fselect->fieldAttribute, fselect->fillerCharacter,
			fselect->highlight,
			fselect->dirAttribute, fselect->fileAttribute,
			fselect->linkAttribute, fselect->sockAttribute,
			ObjOf(fselect)->box);

      /* Redraw the scrolling list. */
      drawCDKScroll (fselect->scrollField, ObjOf(fselect->scrollField)->box);
   }

   /* Set the exit type and return a null pointer. */
   fselect->exitType = vEARLY_EXIT;
   return 0;
}

/*
 * This function draws the widget.
 */
static void _drawCDKUScale (CDKOBJS *object, boolean Box)
{
    CDKUSCALE *widget = (CDKUSCALE *)object;

    /* Draw the shadow. */
    if (widget->shadowWin != 0)
    {
        drawShadow (widget->shadowWin);
    }

    /* Box the widget if asked. */
    if (Box)
    {
        drawObjBox (widget->win, ObjOf(widget));
    }

    drawCdkTitle (widget->win, object);

    /* Draw the label. */
    if (widget->labelWin != 0)
    {
        writeChtype (widget->labelWin, 0, 0,
                     widget->label,
                     HORIZONTAL, 0,
                     widget->labelLen);
        wrefresh (widget->labelWin);
    }
    wrefresh (widget->win);

    /* Draw the field window. */
    drawCDKUScaleField (widget);
}

/*
 * This pops up a message.
 */
void popupLabelAttrib (CDKSCREEN *screen, char **mesg, int count, chtype attrib)
{
   CDKLABEL *popup = 0;
   int oldCursState;
   boolean functionKey;

   /* Create the label. */
   popup = newCDKLabel (screen, CENTER, CENTER, mesg, count, TRUE, FALSE);
   setCDKLabelBackgroundAttrib(popup, attrib);

   oldCursState = curs_set(0);
   /* Draw it on the screen. */
   drawCDKLabel (popup, TRUE);

   /* Wait for some input. */
   keypad (popup->win, TRUE);
   getchCDKObject (ObjOf(popup), &functionKey);

   /* Kill it. */
   destroyCDKLabel (popup);

   /* Clean the screen. */
   curs_set(oldCursState);
   eraseCDKScreen (screen);
   refreshCDKScreen (screen);
}

/*
 * This draws the file selector widget.
 */
static void _drawCDKFselect (CDKOBJS *object, boolean Box GCC_UNUSED)
{
   CDKFSELECT *fselect = (CDKFSELECT *)object;

   /* Draw in the shadow if we need to. */
   if (fselect->shadowWin != 0)
   {
      drawShadow (fselect->shadowWin);
   }

   /* Draw in the entry field. */
   drawCDKEntry (fselect->entryField, ObjOf(fselect->entryField)->box);

   /* Draw in the scroll field. */
   drawCDKScroll (fselect->scrollField, ObjOf(fselect->scrollField)->box);
}

/*
 * This draws the file selector widget.
 */
static void _drawCDKAlphalist (CDKOBJS *obj, boolean Box GCC_UNUSED)
{
    CDKALPHALIST * alphalist = (CDKALPHALIST *)obj;

   /* Does this widget have a shadow? */
   if (alphalist->shadowWin != 0)
   {
      drawShadow (alphalist->shadowWin);
   }

   /* Draw in the entry field. */
   drawCDKEntry (alphalist->entryField, ObjOf(alphalist->entryField)->box);

   /* Draw in the scroll field. */
   drawCDKScroll (alphalist->scrollField, ObjOf(alphalist->scrollField)->box);
}

/*
 * This removes a marker from the calendar.
 */
static int removeCalendarMarkCB (EObjectType objectType GCC_UNUSED, void
				 *object, void *clientData, chtype key GCC_UNUSED)
{
   CDKCALENDAR *calendar = (CDKCALENDAR *)object;
   struct AppointmentInfo *appointmentInfo = (struct AppointmentInfo *)clientData;
   int x;

   /* Look for the marker in the list. */
   for (x = 0; x < appointmentInfo->appointmentCount; x++)
   {
      if ((appointmentInfo->appointment[x].day == calendar->day) &&
	  (appointmentInfo->appointment[x].month == calendar->month) &&
	  (appointmentInfo->appointment[x].year == calendar->year))
      {
	 freeChar (appointmentInfo->appointment[x].description);
	 appointmentInfo->appointment[x].description = 0;
	 break;
      }
   }

   /* Remove the marker from the calendar. */
   removeCDKCalendarMarker (calendar,
			    calendar->day,
			    calendar->month,
			    calendar->year);

   /* Redraw the calendar. */
   drawCDKCalendar (calendar, ObjOf (calendar)->box);
   return (FALSE);
}

/*
 * This draws the button widget.
 */
static void _drawCDKButton (CDKOBJS *object, boolean Box GCC_UNUSED)
{
   CDKBUTTON *button = (CDKBUTTON *)object;

   /* Is there a shadow? */
   if (button->shadowWin != (WINDOW *)NULL)
   {
      drawShadow (button->shadowWin);
   }

   /* Box the widget if asked. */
   if (ObjOf (button)->box)
   {
      drawObjBox (button->win, ObjOf (button));
   }
   drawCDKButtonText (button);
   wrefresh (button->win);
}

/*
 * This allows the person to use the widget's data field.
 */
unsigned activateCDKUScale (CDKUSCALE *widget, chtype *actions)
{
    unsigned ret;

    /* Draw the widget. */
    drawCDKUScale (widget, ObjOf(widget)->box);

    if (actions == 0)
    {
        chtype input = 0;
        boolean functionKey;

        for (;;)
        {
            input = getchCDKObject (ObjOf(widget), &functionKey);

            /* Inject the character into the widget. */
            ret = injectCDKUScale (widget, input);
            if (widget->exitType != vEARLY_EXIT)
            {
                return ret;
            }
        }
    }
    else
    {
        int length = chlen (actions);
        int x = 0;

        /* Inject each character one at a time. */
        for (x=0; x < length; x++)
        {
            ret = injectCDKUScale (widget, actions[x]);
            if (widget->exitType != vEARLY_EXIT)
            {
                return ret;
            }
        }
    }

    /* Set the exit type and return. */
    setExitType(widget, 0);
    return unknownUnsigned;
}

/*
 * This actually does all the 'real' work of managing the scrolling list.
 */
int activateCDKScroll (CDKSCROLL *scrollp, chtype *actions)
{
   /* Draw the scrolling list */
   drawCDKScroll (scrollp, ObjOf (scrollp)->box);

   if (actions == 0)
   {
      chtype input;
      boolean functionKey;
      int ret;

      for (;;)
      {
	 fixCursorPosition (scrollp);
	 input = (chtype)getchCDKObject (ObjOf (scrollp), &functionKey);

	 /* Inject the character into the widget. */
	 ret = injectCDKScroll (scrollp, input);
	 if (scrollp->exitType != vEARLY_EXIT)
	 {
	    return ret;
	 }
      }
   }
   else
   {
      int length = chlen (actions);
      int i = 0;
      int ret;

      /* Inject each character one at a time. */
      for (i = 0; i < length; i++)
      {
	 ret = injectCDKScroll (scrollp, actions[i]);
	 if (scrollp->exitType != vEARLY_EXIT)
	    return ret;
      }
   }

   /* Set the exit type for the widget and return. */
   setExitType (scrollp, 0);
   return -1;
}

/*
 * This lets the user select the button.
 */
int activateCDKDialog (CDKDIALOG *dialog, chtype *actions)
{
   /* Declare local variables. */
   chtype input = 0;
   int ret;

   /* Draw the dialog box. */
   drawCDKDialog (dialog, ObjOf(dialog)->box);

   /* Lets move to the first button. */
   writeChtypeAttrib (dialog->win,
			dialog->buttonPos[dialog->currentButton],
			dialog->boxHeight-2,
			dialog->buttonLabel[dialog->currentButton],
			dialog->highlight,
			HORIZONTAL,
			0, dialog->buttonLen[dialog->currentButton]);
   wrefresh (dialog->win);

   /* Check if actions is null. */
   if (actions == 0)
   {
      for (;;)
      {
	 /* Get the input. */
	 input = wgetch (dialog->win);

	 /* Inject the character into the widget. */
	 ret = injectCDKDialog (dialog, input);
	 if (dialog->exitType != vEARLY_EXIT)
	 {
	    return ret;
	 }
      }
   }
   else
   {
      int length = chlen (actions);
      int x = 0;

      /* Inject each character one at a time. */
      for (x=0; x < length; x++)
      {
	 ret = injectCDKDialog (dialog, actions[x]);
	 if (dialog->exitType != vEARLY_EXIT)
	 {
	    return ret;
	 }
      }
   }

   /* Set the exit type and exit. */
   dialog->exitType = vEARLY_EXIT;
   return -1;
}

/*
 * This was added for the builder.
 */
int activateCDKButton (CDKBUTTON *button, chtype *actions)
{
   chtype input = 0;
   boolean functionKey;
   int ret;

   drawCDKButton (button, ObjOf (button)->box);

   if (actions == 0)
   {
      for (;;)
      {
	 input = (chtype)getchCDKObject (ObjOf (button), &functionKey);

	 /* Inject the character into the widget. */
	 ret = injectCDKButton (button, input);
	 if (button->exitType != vEARLY_EXIT)
	 {
	    return ret;
	 }
      }
   }
   else
   {
      int length = chlen (actions);
      int x = 0;

      /* Inject each character one at a time. */
      for (x = 0; x < length; x++)
      {
	 ret = injectCDKButton (button, actions[x]);
	 if (button->exitType != vEARLY_EXIT)
	 {
	    return ret;
	 }
      }
   }

   /* Set the exit type and exit. */
   setExitType (button, 0);
   return -1;
}

/*
 * This moves the alphalist field to the given location.
 */
static void _moveCDKAlphalist (CDKOBJS *object, int xplace, int yplace, boolean relative, boolean refresh_flag)
{
   CDKALPHALIST *alphalist = (CDKALPHALIST *)object;

   /* Declare local variables. */
   int currentX = getbegx(alphalist->win);
   int currentY = getbegy(alphalist->win);
   int xpos	= xplace;
   int ypos	= yplace;
   int xdiff	= 0;
   int ydiff	= 0;

   /*
    * If this is a relative move, then we will adjust where we want
    * to move to.
    */
   if (relative)
   {
      xpos = getbegx(alphalist->win) + xplace;
      ypos = getbegy(alphalist->win) + yplace;
   }

   /* Adjust the window if we need to. */
   alignxy (WindowOf(alphalist), &xpos, &ypos, alphalist->boxWidth, alphalist->boxHeight);

   /* Get the difference. */
   xdiff = currentX - xpos;
   ydiff = currentY - ypos;

   /* Move the window to the new location. */
   moveCursesWindow(alphalist->win, -xdiff, -ydiff);

   /* If there is a shadow box we have to move it too. */
   if (alphalist->shadowWin != 0)
   {
      moveCursesWindow(alphalist->shadowWin, -xdiff, -ydiff);
   }

   /* Move the sub-widgets. */
   moveCDKEntry (alphalist->entryField, xplace, yplace, relative, FALSE);
   moveCDKScroll (alphalist->scrollField, xplace, yplace, relative, FALSE);

   /* Touch the windows so they 'move'. */
   touchwin (WindowOf(alphalist));
   wrefresh (WindowOf(alphalist));

   /* Redraw the window, if they asked for it. */
   if (refresh_flag)
   {
      drawCDKAlphalist (alphalist, ObjOf(alphalist)->box);
   }
}

/*
 * This moves the scale field to the given location.
 */
static void _moveCDKFScale (CDKOBJS *object, int xplace, int yplace, boolean relative, boolean refresh_flag)
{
   CDKFSCALE *scale = (CDKFSCALE *)object;
   /* Declare local variables. */
   int currentX = getbegx(scale->win);
   int currentY = getbegy(scale->win);
   int xpos	= xplace;
   int ypos	= yplace;
   int xdiff	= 0;
   int ydiff	= 0;

   /*
    * If this is a relative move, then we will adjust where we want
    * to move to.
    */
   if (relative)
   {
      xpos = getbegx(scale->win) + xplace;
      ypos = getbegy(scale->win) + yplace;
   }

   /* Adjust the window if we need to. */
   alignxy (WindowOf(scale), &xpos, &ypos, scale->boxWidth, scale->boxHeight);

   /* Get the difference. */
   xdiff = currentX - xpos;
   ydiff = currentY - ypos;

   /* Move the window to the new location. */
   moveCursesWindow(scale->win, -xdiff, -ydiff);
   if (scale->labelWin != 0)
   {
      moveCursesWindow(scale->labelWin, -xdiff, -ydiff);
   }
   moveCursesWindow(scale->fieldWin, -xdiff, -ydiff);

   /* If there is a shadow box we have to move it too. */
   if (scale->shadowWin != 0)
   {
      moveCursesWindow(scale->shadowWin, -xdiff, -ydiff);
   }

   /* Touch the windows so they 'move'. */
   touchwin (WindowOf(scale));
   wrefresh (WindowOf(scale));

   /* Redraw the window, if they asked for it. */
   if (refresh_flag)
   {
      drawCDKFScale (scale, ObjOf(scale)->box);
   }
}

/*
 * This draws the marquee widget on the screen.
 */
static void _drawCDKMarquee (CDKOBJS *object, boolean Box)
{
   CDKMARQUEE *widget = (CDKMARQUEE *)object;

   /* Keep the box information. */
   ObjOf (widget)->box = Box;

   /* Do we need to draw a shadow??? */
   if (widget->shadowWin != 0)
   {
      drawShadow (widget->shadowWin);
   }

   /* Box it if needed. */
   if (Box)
   {
      drawObjBox (widget->win, ObjOf (widget));
   }

   /* Refresh the window. */
   wrefresh (widget->win);
}