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())
  34 {
  35     if(!node->tag)
  36     {
  37         /* Default viewport takes up the entire screen */
  38         size = QRectF(0, 0, info.screen()->getWidth(),
  39                       info.screen()->getHeight());
  40         customUI = false;
  41
  42         if(info.model()->rowCount(QModelIndex()) > 1)
  43         {
  44             /* If there is more than one viewport in the document */
  45             setVisible(false);
  46         }
  47         else
  48         {
  49             setVisible(true);
  50         }
  51     }
  52     else
  53     {
  54         int param;
  55         QString ident;
  56         int x,y,w,h;
  57         /* Rendering one of the other types of viewport */
  58         switch(node->tag->name[1])
  59         {
  60         case '\0':
  61             customUI = false;
  62             param = 0;
  63             break;
  64
  65         case 'l':
  66             /* A preloaded viewport definition */
  67             ident = node->params[0].data.text;
  68             customUI = false;
  69             hide();
  70             info.screen()->loadViewport(ident, this);
  71             param = 1;
  72             break;
  73
  74         case 'i':
  75             /* Custom UI Viewport */
  76             customUI = true;
  77             param = 1;
  78             if(node->params[0].type == skin_tag_parameter::DEFAULT)
  79             {
  80                 setVisible(true);
  81             }
  82             else
  83             {
  84                 hide();
  85                 info.screen()->loadViewport(ident, this);
  86             }
  87             break;
  88         }
  89         /* Now we grab the info common to all viewports */
  90         x = node->params[param++].data.numeric;
  91         y = node->params[param++].data.numeric;
  92
  93         if(node->params[param].type == skin_tag_parameter::DEFAULT)
  94             w = info.screen()->getWidth() - x;
  95         else
  96             w = node->params[param].data.numeric;
  97
  98         if(node->params[++param].type == skin_tag_parameter::DEFAULT)
  99             h = info.screen()->getHeight() - y;
 100         else
 101             h = node->params[param].data.numeric;
 102
 103         setPos(x, y);
 104         size = QRectF(0, 0, w, h);
 105     }
 106 }
 107
 108 RBViewport::~RBViewport()
 109 {
 110 }
 111
 112 QPainterPath RBViewport::shape() const
 113 {
 114     QPainterPath retval;
 115     retval.addRect(size);
 116     return retval;
 117 }
 118
 119 QRectF RBViewport::boundingRect() const
 120 {
 121     return size;
 122 }
 123
 124 void RBViewport::paint(QPainter *painter,
 125                        const QStyleOptionGraphicsItem *option, QWidget *widget)
 126 {
 127     painter->setBrush(Qt::NoBrush);
 128     painter->setPen(customUI ? Qt::blue : Qt::red);
 129     painter->drawRect(size);
 130 }
 131
 132 /* Called at the end of a logical line */
 133 void RBViewport::newline()
 134 {
 135
 136 }