1 /*

     2  * Hedgewars, a free turn based strategy game

     3  * Copyright (c) 2006-2011 Igor Ulyanov <iulyanov@gmail.com>

     4  *

     5  * This program is free software; you can redistribute it and/or modify

     6  * it under the terms of the GNU General Public License as published by

     7  * the Free Software Foundation; version 2 of the License

     8  *

     9  * This program is distributed in the hope that it will be useful,

    10  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    12  * GNU General Public License for more details.

    13  *

    14  * You should have received a copy of the GNU General Public License

    15  * along with this program; if not, write to the Free Software

    16  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA

    17  */

    18 

    19 #include "itemNum.h"

    20 #include "hwform.h"

    21 

    22 #include <QMouseEvent>

    23 #include <QPainter>

    24 

    25 ItemNum::ItemNum(const QImage& im, const QImage& img, QWidget * parent, unsigned char min, unsigned char max) :

    26   QFrame(parent), m_im(im), m_img(img), infinityState(false), nonInteractive(false), minItems(min), maxItems(max),

    27   numItems(min+2 >= max ? min : min+2)

    28 {

    29     enabled = true;

    30     if(frontendEffects) setAttribute(Qt::WA_PaintOnScreen, true);

    31 }

    32 

    33 ItemNum::~ItemNum()

    34 {

    35 }

    36 

    37 void ItemNum::mousePressEvent ( QMouseEvent * event )

    38 {

    39   if(nonInteractive) return;

    40   if(event->button()==Qt::LeftButton && enabled) {

    41     event->accept();

    42     if((infinityState && numItems <= maxItems) || (!infinityState && numItems < maxItems)) {

    43       incItems();

    44     } else {

    45       numItems = minItems+1;

    46       // appears there's an emit in there

    47       decItems();

    48     }

    49   } else if (event->button()==Qt::RightButton && enabled) {

    50     event->accept();

    51     if(numItems > minItems) {

    52       decItems();

    53     } else {

    54       numItems = maxItems+(infinityState?0:-1);

    55       incItems();

    56     }

    57   } else {

    58     event->ignore();

    59     return;

    60   }

    61   repaint();

    62 }

    63 

    64 QSize ItemNum::sizeHint () const

    65 {

    66   return QSize((maxItems+1)*12, 32);

    67 }

    68 

    69 void ItemNum::paintEvent(QPaintEvent* event)

    70 {

    71   Q_UNUSED(event);

    72 

    73   QPainter painter(this);

    74 

    75   if (numItems==maxItems+1) {

    76     QRect target(0, 0, 100, 32);

    77     if (enabled) {

    78         painter.drawImage(target, QImage(":/res/infinity.png"));

    79     } else {

    80         painter.drawImage(target, QImage(":/res/infinitygrey.png"));

    81     }

    82   } else {

    83     for(int i=0; i<numItems; i++) {

    84       QRect target(11 * i, i % 2, 25, 35);

    85       if (enabled) {

    86         painter.drawImage(target, m_im);

    87       } else {

    88         painter.drawImage(target, m_img);

    89       }

    90     }

    91   }

    92 }

    93 

    94 unsigned char ItemNum::getItemsNum() const

    95 {

    96   return numItems;

    97 }

    98 

    99 void ItemNum::setItemsNum(const unsigned char num)

   100 {

   101   numItems=num;

   102   repaint();

   103 }

   104 

   105 void ItemNum::setInfinityState(bool value)

   106 {

   107   infinityState=value;

   108 }

   109 

   110 void ItemNum::setEnabled(bool value)

   111 {

   112   enabled=value;

   113   repaint();

   114 }