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