utils/themeeditor/graphics/rbviewport.cpp

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2010 Robert Bieber
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 #include <QPainter>
  23 #include <QPainterPath>
  24
  25 #include "rbviewport.h"
  26 #include "rbscreen.h"
  27 #include "rbrenderinfo.h"
  28 #include "parsetreemodel.h"
  29 #include "tag_table.h"
  30 #include "skin_parser.h"
  31
  32 RBViewport::RBViewport(skin_element* node, const RBRenderInfo& info)
  33     : QGraphicsItem(info.screen()), font(info.screen()->getFont(0)),
  34     foreground(info.screen()->foreground()),
  35     background(info.screen()->background()), textOffset(0,0),
  36     screen(info.screen())
  37 {
  38     if(!node->tag)
  39     {
  40         /* Default viewport takes up the entire screen */
  41         size = QRectF(0, 0, info.screen()->getWidth(),
  42                       info.screen()->getHeight());
  43         customUI = false;
  44
  45         if(info.model()->rowCount(QModelIndex()) > 1)
  46         {
  47             /* If there is more than one viewport in the document */
  48             setVisible(false);
  49         }
  50         else
  51         {
  52             setVisible(true);
  53         }
  54     }
  55     else
  56     {
  57         int param = 0;
  58         QString ident;
  59         int x,y,w,h;
  60         /* Rendering one of the other types of viewport */
  61         switch(node->tag->name[1])
  62         {
  63         case '\0':
  64             customUI = false;
  65             param = 0;
  66             break;
  67
  68         case 'l':
  69             /* A preloaded viewport definition */
  70             ident = node->params[0].data.text;
  71             customUI = false;
  72             hide();
  73             info.screen()->loadViewport(ident, this);
  74             param = 1;
  75             break;
  76
  77         case 'i':
  78             /* Custom UI Viewport */
  79             customUI = true;
  80             param = 1;
  81             if(node->params[0].type == skin_tag_parameter::DEFAULT)
  82             {
  83                 setVisible(true);
  84             }
  85             else
  86             {
  87                 hide();
  88                 info.screen()->loadViewport(ident, this);
  89             }
  90             break;
  91         }
  92         /* Now we grab the info common to all viewports */
  93         x = node->params[param++].data.numeric;
  94         y = node->params[param++].data.numeric;
  95
  96         if(node->params[param].type == skin_tag_parameter::DEFAULT)
  97             w = info.screen()->getWidth() - x;
  98         else
  99             w = node->params[param].data.numeric;
 100
 101         if(node->params[++param].type == skin_tag_parameter::DEFAULT)
 102             h = info.screen()->getHeight() - y;
 103         else
 104             h = node->params[param].data.numeric;
 105
 106         setPos(x, y);
 107         size = QRectF(0, 0, w, h);
 108
 109     }
 110 }
 111
 112 RBViewport::~RBViewport()
 113 {
 114 }
 115
 116 QPainterPath RBViewport::shape() const
 117 {
 118     QPainterPath retval;
 119     retval.addRect(size);
 120     return retval;
 121 }
 122
 123 QRectF RBViewport::boundingRect() const
 124 {
 125     return size;
 126 }
 127
 128 void RBViewport::paint(QPainter *painter,
 129                        const QStyleOptionGraphicsItem *option, QWidget *widget)
 130 {
 131     if(!screen->hasBackdrop() && background != screen->background())
 132     {
 133         painter->fillRect(size, QBrush(background));
 134     }
 135
 136     painter->setBrush(Qt::NoBrush);
 137     painter->setPen(customUI ? Qt::blue : Qt::red);
 138     painter->drawRect(size);
 139 }
 140
 141 void RBViewport::newLine()
 142 {
 143     if(textOffset.x() > 0)
 144     {
 145         textOffset.setY(textOffset.y() + lineHeight);
 146         textOffset.setX(0);
 147     }
 148 }
 149
 150 void RBViewport::write(QString text)
 151 {
 152     QGraphicsItem* graphic = font->renderText(text, foreground, this);
 153     graphic->setPos(textOffset.x(), textOffset.y());
 154     textOffset.setX(textOffset.x() + graphic->boundingRect().width());
 155     lineHeight = font->lineHeight();
 156 }