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 "rbscene.h"
  23 #include "rbscreen.h"
  24 #include "rbviewport.h"
  25 #include "devicestate.h"
  26
  27 #include <QPainter>
  28 #include <QFile>
  29 #include <QGraphicsSceneHoverEvent>
  30 #include <QGraphicsSceneMouseEvent>
  31
  32 RBScreen::RBScreen(const RBRenderInfo& info, bool remote,
  33                    QGraphicsItem *parent)
  34                        :QGraphicsItem(parent), backdrop(0), project(project),
  35                        albumArt(0), customUI(0), defaultView(0), ax(false)
  36 {
  37
  38     setAcceptHoverEvents(true);
  39
  40     if(remote)
  41     {
  42         fullWidth = info.device()->data("remotewidth").toInt();
  43         fullHeight = info.device()->data("remoteheight").toInt();
  44     }
  45     else
  46     {
  47         fullWidth = info.device()->data("screenwidth").toInt();
  48         fullHeight = info.device()->data("screenheight").toInt();
  49     }
  50
  51     QString bg = info.settings()->value("background color", "FFFFFF");
  52     bgColor = stringToColor(bg, Qt::white);
  53
  54     QString fg = info.settings()->value("foreground color", "000000");
  55     fgColor = stringToColor(fg, Qt::black);
  56
  57     settings = info.settings();
  58
  59     /* Loading backdrop if available */
  60     themeBase = info.settings()->value("themebase", "");
  61     QString backdropFile = info.settings()->value("backdrop", "");
  62     backdropFile.replace("/.rockbox/backdrops/", "");
  63
  64     if(QFile::exists(themeBase + "/backdrops/" + backdropFile))
  65     {
  66         backdrop = new QPixmap(themeBase + "/backdrops/" + backdropFile);
  67
  68         /* If a backdrop has been found, use its width and height */
  69         if(!backdrop->isNull())
  70         {
  71             fullWidth = backdrop->width();
  72             fullHeight = backdrop->height();
  73         }
  74         else
  75         {
  76             delete backdrop;
  77             backdrop = 0;
  78         }
  79     }
  80
  81     fonts.insert(0, new RBFont("Default"));
  82     QString defaultFont = settings->value("font", "");
  83     if(defaultFont != "")
  84     {
  85         defaultFont.replace("/.rockbox", settings->value("themebase", ""));
  86         fonts.insert(1, new RBFont(defaultFont));
  87     }
  88
  89     if(parent == 0)
  90     {
  91         width = fullWidth;
  92         height = fullHeight;
  93     }
  94     else
  95     {
  96         width = parent->boundingRect().width();
  97         height = parent->boundingRect().height();
  98     }
  99 }
 100
 101 RBScreen::~RBScreen()
 102 {
 103     if(backdrop)
 104         delete backdrop;
 105
 106     if(albumArt)
 107         delete albumArt;
 108
 109     QMap<int, RBFont*>::iterator i;
 110     for(i = fonts.begin(); i != fonts.end(); i++)
 111         delete (*i);
 112
 113     QMap<QString, QList<RBViewport*>*>::iterator it;
 114     for(it = namedViewports.begin(); it != namedViewports.end(); it++)
 115         delete (*it);
 116 }
 117
 118 QPainterPath RBScreen::shape() const
 119 {
 120     QPainterPath retval;
 121     retval.addRect(0, 0, width, height);
 122     return retval;
 123 }
 124
 125 QRectF RBScreen::boundingRect() const
 126 {
 127     return QRectF(0, 0, width, height);
 128 }
 129
 130 void RBScreen::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
 131                      QWidget *widget)
 132 {
 133     if(parentItem() != 0)
 134         return;
 135
 136     if(backdrop)
 137     {
 138         painter->drawPixmap(0, 0, width, height, *backdrop);
 139     }
 140     else
 141     {
 142         painter->fillRect(0, 0, width, height, bgColor);
 143     }
 144
 145 }
 146
 147 void RBScreen::loadViewport(QString name, RBViewport *view)
 148 {
 149     QList<RBViewport*>* list;
 150     if(namedViewports.value(name, 0) == 0)
 151     {
 152         list = new QList<RBViewport*>;
 153         list->append(view);
 154         namedViewports.insert(name, list);
 155     }
 156     else
 157     {
 158         list = namedViewports.value(name, 0);
 159         list->append(view);
 160     }
 161 }
 162
 163 void RBScreen::showViewport(QString name)
 164 {
 165     if(namedViewports.value(name, 0) == 0)
 166     {
 167         displayedViewports.append(name);
 168         return;
 169     }
 170
 171     QList<RBViewport*>* list = namedViewports.value(name, 0);
 172     for(int i = 0; i < list->count(); i++)
 173         list->at(i)->show();
 174 }
 175
 176 void RBScreen::loadFont(int id, RBFont* font)
 177 {
 178     if(id < 2 || id > 9)
 179         return;
 180
 181     fonts.insert(id, font);
 182 }
 183
 184 RBFont* RBScreen::getFont(int id)
 185 {
 186     if(fonts.value(id, 0) != 0)
 187         return fonts.value(id);
 188     else
 189         return fonts.value(0, 0);
 190 }
 191
 192
 193 void RBScreen::setBackdrop(QString filename)
 194 {
 195
 196     if(backdrop)
 197         delete backdrop;
 198
 199     filename = settings->value("imagepath", "") + "/" + filename;
 200
 201     if(QFile::exists(filename))
 202         backdrop = new QPixmap(filename);
 203     else
 204     {
 205         RBScene* s = dynamic_cast<RBScene*>(scene());
 206         s->addWarning(QObject::tr("Image not found: ") + filename);
 207         backdrop = 0;
 208     }
 209 }
 210
 211 void RBScreen::makeCustomUI(QString id)
 212 {
 213     if(namedViewports.value(id, 0) != 0)
 214     {
 215         QMap<QString, QList<RBViewport*>*>::iterator i;
 216         for(i = namedViewports.begin(); i != namedViewports.end(); i++)
 217             for(int j = 0; j < (*i)->count(); j++)
 218                 (*i)->at(j)->clearCustomUI();
 219         for(int i = 0; i < namedViewports.value(id)->count(); i++)
 220             namedViewports.value(id)->at(i)->makeCustomUI();
 221         for(int i = 0; i < namedViewports.value(id)->count(); i++)
 222             namedViewports.value(id)->at(i)->show();
 223
 224         customUI = namedViewports.value(id)->at(0);
 225     }
 226 }
 227
 228 void RBScreen::endSbsRender()
 229 {
 230     sbsChildren = children();
 231
 232     QList<int> keys = fonts.keys();
 233     for(QList<int>::iterator i = keys.begin(); i != keys.end(); i++)
 234     {
 235         if(*i > 2)
 236             fonts.remove(*i);
 237     }
 238
 239     images.clear();
 240     namedViewports.clear();
 241     displayedViewports.clear();
 242 }
 243
 244 void RBScreen::breakSBS()
 245 {
 246     for(QList<QGraphicsItem*>::iterator i = sbsChildren.begin()
 247         ; i != sbsChildren.end(); i++)
 248         (*i)->hide();
 249     if(defaultView)
 250         defaultView->makeFullScreen();
 251 }
 252
 253 QColor RBScreen::stringToColor(QString str, QColor fallback)
 254 {
 255
 256     QColor retval;
 257
 258     if(str.length() == 6)
 259     {
 260         for(int i = 0; i < 6; i++)
 261         {
 262             char c = str[i].toAscii();
 263             if(!((c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F') ||
 264                  isdigit(c)))
 265             {
 266                 str = "";
 267                 break;
 268             }
 269         }
 270         if(str != "")
 271             retval = QColor("#" + str);
 272         else
 273             retval = fallback;
 274     }
 275     else if(str.length() == 1)
 276     {
 277         if(isdigit(str[0].toAscii()) && str[0].toAscii() <= '3')
 278         {
 279             int shade = 255 * (str[0].toAscii() - '0') / 3;
 280             retval = QColor(shade, shade, shade);
 281         }
 282         else
 283         {
 284             retval = fallback;
 285         }
 286     }
 287     else
 288     {
 289         retval = fallback;
 290     }
 291
 292     return retval;
 293
 294 }
 295
 296 void RBScreen::hoverMoveEvent(QGraphicsSceneHoverEvent *event)
 297 {
 298     RBScene* s = dynamic_cast<RBScene*>(scene());
 299     QPoint p = event->scenePos().toPoint();
 300     s->moveMouse("(" + QString::number(p.x()) + ", "
 301                  + QString::number(p.y()) + ")");
 302
 303     QGraphicsItem::hoverMoveEvent(event);
 304 }