QTfrontend/itemNum.cpp
author Xeli
Sun, 21 Aug 2011 22:17:40 +0200
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/*
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 * Hedgewars, a free turn based strategy game
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 * Copyright (c) 2006-2011 Igor Ulyanov <iulyanov@gmail.com>
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; version 2 of the License
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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 */
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#include "itemNum.h"
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#include "hwform.h"
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#include <QMouseEvent>
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#include <QPainter>
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ItemNum::ItemNum(const QImage& im, const QImage& img, QWidget * parent, unsigned char min, unsigned char max) :
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  QFrame(parent), m_im(im), m_img(img), infinityState(false), nonInteractive(false), minItems(min), maxItems(max),
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  numItems(min+2 >= max ? min : min+2)
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{
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    enabled = true;
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    if(frontendEffects) setAttribute(Qt::WA_PaintOnScreen, true);
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}
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ItemNum::~ItemNum()
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{
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}
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void ItemNum::mousePressEvent ( QMouseEvent * event )
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{
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  if(nonInteractive) return;
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  if(event->button()==Qt::LeftButton && enabled) {
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    event->accept();
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    if((infinityState && numItems <= maxItems) || (!infinityState && numItems < maxItems)) {
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      incItems();
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    } else {
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      numItems = minItems+1;
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      // appears there's an emit in there
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      decItems();
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    }
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  } else if (event->button()==Qt::RightButton && enabled) {
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    event->accept();
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    if(numItems > minItems) {
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      decItems();
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    } else {
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      numItems = maxItems+(infinityState?0:-1);
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      incItems();
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    }
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  } else {
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    event->ignore();
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    return;
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  }
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  repaint();
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}
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QSize ItemNum::sizeHint () const
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{
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  return QSize((maxItems+1)*12, 32);
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}
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void ItemNum::paintEvent(QPaintEvent* event)
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{
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  Q_UNUSED(event);
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  QPainter painter(this);
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  if (numItems==maxItems+1) {
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    QRect target(0, 0, 100, 32);
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    if (enabled) {
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        painter.drawImage(target, QImage(":/res/infinity.png"));
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    } else {
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        painter.drawImage(target, QImage(":/res/infinitygrey.png"));
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    }
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  } else {
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    for(int i=0; i<numItems; i++) {
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      QRect target(11 * i, i % 2, 25, 35);
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      if (enabled) {
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        painter.drawImage(target, m_im);
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      } else {
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        painter.drawImage(target, m_img);
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      }
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    }
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  }
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}
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unsigned char ItemNum::getItemsNum() const
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{
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  return numItems;
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}
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void ItemNum::setItemsNum(const unsigned char num)
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{
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  numItems=num;
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  repaint();
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}
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void ItemNum::setInfinityState(bool value)
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{
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  infinityState=value;
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}
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void ItemNum::setEnabled(bool value)
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{
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  enabled=value;
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  repaint();
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}