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", "FFFFFF");
  36     bgColor = stringToColor(bg, Qt::white);
  37
  38     QString fg = info.settings()->value("foreground color", "000000");
  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     fonts.insert(0, new RBFont("Nothin'"));
  66 }
  67
  68 RBScreen::~RBScreen()
  69 {
  70     if(backdrop)
  71         delete backdrop;
  72
  73     QMap<int, RBFont*>::iterator i;
  74     for(i = fonts.begin(); i != fonts.end(); i++)
  75         delete (*i);
  76
  77     QMap<QString, QList<RBViewport*>*>::iterator it;
  78     for(it = namedViewports.begin(); it != namedViewports.end(); it++)
  79         delete (*it);
  80 }
  81
  82 QPainterPath RBScreen::shape() const
  83 {
  84     QPainterPath retval;
  85     retval.addRect(0, 0, width, height);
  86     return retval;
  87 }
  88
  89 QRectF RBScreen::boundingRect() const
  90 {
  91     return QRectF(0, 0, width, height);
  92 }
  93
  94 void RBScreen::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
  95                      QWidget *widget)
  96 {
  97     if(backdrop)
  98     {
  99         painter->drawPixmap(0, 0, width, height, *backdrop);
 100     }
 101     else
 102     {
 103         painter->fillRect(0, 0, width, height, bgColor);
 104     }
 105 }
 106
 107 void RBScreen::loadViewport(QString name, RBViewport *view)
 108 {
 109     QList<RBViewport*>* list;
 110     if(namedViewports.value(name, 0) == 0)
 111     {
 112         list = new QList<RBViewport*>;
 113         list->append(view);
 114         namedViewports.insert(name, list);
 115     }
 116     else
 117     {
 118         list = namedViewports.value(name, 0);
 119         list->append(view);
 120     }
 121 }
 122
 123 void RBScreen::showViewport(QString name)
 124 {
 125     if(namedViewports.value(name, 0) == 0)
 126         return;
 127
 128     QList<RBViewport*>* list = namedViewports.value(name, 0);
 129     for(int i = 0; i < list->count(); i++)
 130         list->at(i)->show();
 131 }
 132
 133 void RBScreen::loadFont(int id, RBFont* font)
 134 {
 135     if(id < 2 || id > 9)
 136         return;
 137
 138     fonts.insert(id, font);
 139 }
 140
 141 RBFont* RBScreen::getFont(int id)
 142 {
 143     if(fonts.value(id, 0) != 0)
 144         return fonts.value(id);
 145     else
 146         return fonts.value(0, 0);
 147 }
 148
 149
 150 void RBScreen::setBackdrop(QString filename)
 151 {
 152
 153     if(backdrop)
 154         delete backdrop;
 155
 156     filename = settings->value("imagepath", "") + "/" + filename;
 157
 158     if(QFile::exists(filename))
 159         backdrop = new QPixmap(filename);
 160     else
 161         backdrop = 0;
 162 }
 163
 164 void RBScreen::makeCustomUI(QString id)
 165 {
 166     if(namedViewports.value(id, 0) != 0)
 167     {
 168         QMap<QString, QList<RBViewport*>*>::iterator i;
 169         for(i = namedViewports.begin(); i != namedViewports.end(); i++)
 170             for(int j = 0; j < (*i)->count(); j++)
 171                 (*i)->at(j)->clearCustomUI();
 172         for(int i = 0; i < namedViewports.value(id)->count(); i++)
 173             namedViewports.value(id)->at(i)->makeCustomUI();
 174         for(int i = 0; i < namedViewports.value(id)->count(); i++)
 175             namedViewports.value(id)->at(i)->show();
 176     }
 177 }
 178
 179 QColor RBScreen::stringToColor(QString str, QColor fallback)
 180 {
 181
 182     QColor retval;
 183
 184     if(str.length() == 6)
 185     {
 186         for(int i = 0; i < 6; i++)
 187         {
 188             char c = str[i].toAscii();
 189             if(!((c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F') ||
 190                  isdigit(c)))
 191             {
 192                 str = "";
 193                 break;
 194             }
 195         }
 196         if(str != "")
 197             retval = QColor("#" + str);
 198         else
 199             retval = fallback;
 200     }
 201     else if(str.length() == 1)
 202     {
 203         if(isdigit(str[0].toAscii()) && str[0].toAscii() <= '3')
 204         {
 205             int shade = 255 * (str[0].toAscii() - '0') / 3;
 206             retval = QColor(shade, shade, shade);
 207         }
 208         else
 209         {
 210             retval = fallback;
 211         }
 212     }
 213     else
 214     {
 215         retval = fallback;
 216     }
 217
 218     return retval;
 219
 220 }