utils/themeeditor/graphics/rbscreen.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 "rbscreen.h"
  23 #include "rbviewport.h"
  24 #include "devicestate.h"
  25
  26 #include <QPainter>
  27 #include <QFile>
  28
  29 RBScreen::RBScreen(const RBRenderInfo& info, bool remote,
  30                    QGraphicsItem *parent)
  31                        :QGraphicsItem(parent), backdrop(0), project(project)
  32 {
  33
  34     if(remote)
  35     {
  36         width = info.device()->data("remotewidth").toInt();
  37         height = info.device()->data("remoteheight").toInt();
  38     }
  39     else
  40     {
  41         width = info.device()->data("screenwidth").toInt();
  42         height = info.device()->data("screenheight").toInt();
  43     }
  44
  45     QString bg = info.settings()->value("background color", "FFFFFF");
  46     bgColor = stringToColor(bg, Qt::white);
  47
  48     QString fg = info.settings()->value("foreground color", "000000");
  49     fgColor = stringToColor(fg, Qt::black);
  50
  51     settings = info.settings();
  52
  53     /* Loading backdrop if available */
  54     themeBase = info.settings()->value("themebase", "");
  55     QString backdropFile = info.settings()->value("backdrop", "");
  56     backdropFile.replace("/.rockbox/backdrops/", "");
  57
  58     if(QFile::exists(themeBase + "/backdrops/" + backdropFile))
  59     {
  60         backdrop = new QPixmap(themeBase + "/backdrops/" + backdropFile);
  61
  62         /* If a backdrop has been found, use its width and height */
  63         if(!backdrop->isNull())
  64         {
  65             width = backdrop->width();
  66             height = backdrop->height();
  67         }
  68         else
  69         {
  70             delete backdrop;
  71             backdrop = 0;
  72         }
  73     }
  74
  75     fonts.insert(0, new RBFont("Nothin'"));
  76 }
  77
  78 RBScreen::~RBScreen()
  79 {
  80     if(backdrop)
  81         delete backdrop;
  82
  83     QMap<int, RBFont*>::iterator i;
  84     for(i = fonts.begin(); i != fonts.end(); i++)
  85         delete (*i);
  86
  87     QMap<QString, QList<RBViewport*>*>::iterator it;
  88     for(it = namedViewports.begin(); it != namedViewports.end(); it++)
  89         delete (*it);
  90 }
  91
  92 QPainterPath RBScreen::shape() const
  93 {
  94     QPainterPath retval;
  95     retval.addRect(0, 0, width, height);
  96     return retval;
  97 }
  98
  99 QRectF RBScreen::boundingRect() const
 100 {
 101     return QRectF(0, 0, width, height);
 102 }
 103
 104 void RBScreen::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
 105                      QWidget *widget)
 106 {
 107     if(backdrop)
 108     {
 109         painter->drawPixmap(0, 0, width, height, *backdrop);
 110     }
 111     else
 112     {
 113         painter->fillRect(0, 0, width, height, bgColor);
 114     }
 115 }
 116
 117 void RBScreen::loadViewport(QString name, RBViewport *view)
 118 {
 119     QList<RBViewport*>* list;
 120     if(namedViewports.value(name, 0) == 0)
 121     {
 122         list = new QList<RBViewport*>;
 123         list->append(view);
 124         namedViewports.insert(name, list);
 125     }
 126     else
 127     {
 128         list = namedViewports.value(name, 0);
 129         list->append(view);
 130     }
 131 }
 132
 133 void RBScreen::showViewport(QString name)
 134 {
 135     if(namedViewports.value(name, 0) == 0)
 136         return;
 137
 138     QList<RBViewport*>* list = namedViewports.value(name, 0);
 139     for(int i = 0; i < list->count(); i++)
 140         list->at(i)->show();
 141 }
 142
 143 void RBScreen::loadFont(int id, RBFont* font)
 144 {
 145     if(id < 2 || id > 9)
 146         return;
 147
 148     fonts.insert(id, font);
 149 }
 150
 151 RBFont* RBScreen::getFont(int id)
 152 {
 153     if(fonts.value(id, 0) != 0)
 154         return fonts.value(id);
 155     else
 156         return fonts.value(0, 0);
 157 }
 158
 159
 160 void RBScreen::setBackdrop(QString filename)
 161 {
 162
 163     if(backdrop)
 164         delete backdrop;
 165
 166     filename = settings->value("imagepath", "") + "/" + filename;
 167
 168     if(QFile::exists(filename))
 169         backdrop = new QPixmap(filename);
 170     else
 171         backdrop = 0;
 172 }
 173
 174 void RBScreen::makeCustomUI(QString id)
 175 {
 176     if(namedViewports.value(id, 0) != 0)
 177     {
 178         QMap<QString, QList<RBViewport*>*>::iterator i;
 179         for(i = namedViewports.begin(); i != namedViewports.end(); i++)
 180             for(int j = 0; j < (*i)->count(); j++)
 181                 (*i)->at(j)->clearCustomUI();
 182         for(int i = 0; i < namedViewports.value(id)->count(); i++)
 183             namedViewports.value(id)->at(i)->makeCustomUI();
 184         for(int i = 0; i < namedViewports.value(id)->count(); i++)
 185             namedViewports.value(id)->at(i)->show();
 186     }
 187 }
 188
 189 QColor RBScreen::stringToColor(QString str, QColor fallback)
 190 {
 191
 192     QColor retval;
 193
 194     if(str.length() == 6)
 195     {
 196         for(int i = 0; i < 6; i++)
 197         {
 198             char c = str[i].toAscii();
 199             if(!((c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F') ||
 200                  isdigit(c)))
 201             {
 202                 str = "";
 203                 break;
 204             }
 205         }
 206         if(str != "")
 207             retval = QColor("#" + str);
 208         else
 209             retval = fallback;
 210     }
 211     else if(str.length() == 1)
 212     {
 213         if(isdigit(str[0].toAscii()) && str[0].toAscii() <= '3')
 214         {
 215             int shade = 255 * (str[0].toAscii() - '0') / 3;
 216             retval = QColor(shade, shade, shade);
 217         }
 218         else
 219         {
 220             retval = fallback;
 221         }
 222     }
 223     else
 224     {
 225         retval = fallback;
 226     }
 227
 228     return retval;
 229
 230 }