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
  25 #include <QPainter>
  26 #include <QFile>
  27
  28 RBScreen::RBScreen(const RBRenderInfo& info, QGraphicsItem *parent) :
  29     QGraphicsItem(parent), backdrop(0), project(project)
  30 {
  31
  32     width = info.settings()->value("#screenwidth", "300").toInt();
  33     height = info.settings()->value("#screenheight", "200").toInt();
  34
  35     QString bg = info.settings()->value("background color", "000000");
  36     bgColor = stringToColor(bg, Qt::white);
  37
  38     QString fg = info.settings()->value("foreground color", "FFFFFF");
  39     fgColor = stringToColor(fg, Qt::black);
  40
  41     settings = info.settings();
  42
  43     /* Loading backdrop if available */
  44     themeBase = info.settings()->value("themebase", "");
  45     QString backdropFile = info.settings()->value("backdrop", "");
  46     backdropFile.replace("/.rockbox/backdrops/", "");
  47
  48     if(QFile::exists(themeBase + "/backdrops/" + backdropFile))
  49     {
  50         backdrop = new QPixmap(themeBase + "/backdrops/" + backdropFile);
  51
  52         /* If a backdrop has been found, use its width and height */
  53         if(!backdrop->isNull())
  54         {
  55             width = backdrop->width();
  56             height = backdrop->height();
  57         }
  58         else
  59         {
  60             delete backdrop;
  61             backdrop = 0;
  62         }
  63     }
  64 }
  65
  66 RBScreen::~RBScreen()
  67 {
  68     if(backdrop)
  69         delete backdrop;
  70
  71     QMap<int, RBFont*>::iterator i;
  72     for(i = fonts.begin(); i != fonts.end(); i++)
  73         delete (*i);
  74
  75     QMap<QString, QList<RBViewport*>*>::iterator it;
  76     for(it = namedViewports.begin(); it != namedViewports.end(); it++)
  77         delete (*it);
  78 }
  79
  80 QPainterPath RBScreen::shape() const
  81 {
  82     QPainterPath retval;
  83     retval.addRect(0, 0, width, height);
  84     return retval;
  85 }
  86
  87 QRectF RBScreen::boundingRect() const
  88 {
  89     return QRectF(0, 0, width, height);
  90 }
  91
  92 void RBScreen::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
  93                      QWidget *widget)
  94 {
  95     if(backdrop)
  96     {
  97         painter->drawPixmap(0, 0, width, height, *backdrop);
  98     }
  99     else
 100     {
 101         painter->fillRect(0, 0, width, height, bgColor);
 102     }
 103 }
 104
 105 void RBScreen::loadViewport(QString name, RBViewport *view)
 106 {
 107     QList<RBViewport*>* list;
 108     if(namedViewports.value(name, 0) == 0)
 109     {
 110         list = new QList<RBViewport*>;
 111         list->append(view);
 112         namedViewports.insert(name, list);
 113     }
 114     else
 115     {
 116         list = namedViewports.value(name, 0);
 117         list->append(view);
 118     }
 119 }
 120
 121 void RBScreen::showViewport(QString name)
 122 {
 123     if(namedViewports.value(name, 0) == 0)
 124         return;
 125
 126     QList<RBViewport*>* list = namedViewports.value(name, 0);
 127     for(int i = 0; i < list->count(); i++)
 128         list->at(i)->show();
 129 }
 130
 131 void RBScreen::loadFont(int id, RBFont* font)
 132 {
 133     if(id < 2 || id > 9)
 134         return;
 135
 136     fonts.insert(id, font);
 137 }
 138
 139 RBFont* RBScreen::getFont(int id)
 140 {
 141     if(fonts.value(id, 0) != 0)
 142         return fonts.value(id);
 143     else
 144         return fonts.value(0, 0);
 145 }
 146
 147
 148 void RBScreen::setBackdrop(QString filename)
 149 {
 150
 151     if(backdrop)
 152         delete backdrop;
 153
 154     filename = settings->value("imagepath", "") + "/" + filename;
 155
 156     if(QFile::exists(filename))
 157         backdrop = new QPixmap(filename);
 158     else
 159         backdrop = 0;
 160 }
 161
 162 void RBScreen::makeCustomUI(QString id)
 163 {
 164     if(namedViewports.value(id, 0) != 0)
 165     {
 166         QMap<QString, QList<RBViewport*>*>::iterator i;
 167         for(i = namedViewports.begin(); i != namedViewports.end(); i++)
 168             for(int j = 0; j < (*i)->count(); j++)
 169                 (*i)->at(j)->clearCustomUI();
 170         for(int i = 0; i < namedViewports.value(id)->count(); i++)
 171             namedViewports.value(id)->at(i)->makeCustomUI();
 172         for(int i = 0; i < namedViewports.value(id)->count(); i++)
 173             namedViewports.value(id)->at(i)->show();
 174     }
 175 }
 176
 177 QColor RBScreen::stringToColor(QString str, QColor fallback)
 178 {
 179
 180     QColor retval;
 181
 182     if(str.length() == 6)
 183     {
 184         for(int i = 0; i < 6; i++)
 185         {
 186             char c = str[i].toAscii();
 187             if(!((c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F') ||
 188                  isdigit(c)))
 189             {
 190                 str = "";
 191                 break;
 192             }
 193         }
 194         if(str != "")
 195             retval = QColor("#" + str);
 196         else
 197             retval = fallback;
 198     }
 199     else if(str.length() == 1)
 200     {
 201         if(isdigit(str[0].toAscii()) && str[0].toAscii() <= '3')
 202         {
 203             int shade = 255 * (str[0].toAscii() - '0') / 3;
 204             retval = QColor(shade, shade, shade);
 205         }
 206         else
 207         {
 208             retval = fallback;
 209         }
 210     }
 211     else
 212     {
 213         retval = fallback;
 214     }
 215
 216     return retval;
 217
 218 }