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, QGraphicsItem *parent) :
  30     QGraphicsItem(parent), backdrop(0), project(project)
  31 {
  32
  33     /*
  34     width = info.settings()->value("#screenwidth", "300").toInt();
  35     height = info.settings()->value("#screenheight", "200").toInt();
  36 */
  37
  38     width = info.device()->data("screenwidth").toInt();
  39     height = info.device()->data("screenheight").toInt();
  40
  41     QString bg = info.settings()->value("background color", "FFFFFF");
  42     bgColor = stringToColor(bg, Qt::white);
  43
  44     QString fg = info.settings()->value("foreground color", "000000");
  45     fgColor = stringToColor(fg, Qt::black);
  46
  47     settings = info.settings();
  48
  49     /* Loading backdrop if available */
  50     themeBase = info.settings()->value("themebase", "");
  51     QString backdropFile = info.settings()->value("backdrop", "");
  52     backdropFile.replace("/.rockbox/backdrops/", "");
  53
  54     if(QFile::exists(themeBase + "/backdrops/" + backdropFile))
  55     {
  56         backdrop = new QPixmap(themeBase + "/backdrops/" + backdropFile);
  57
  58         /* If a backdrop has been found, use its width and height */
  59         if(!backdrop->isNull())
  60         {
  61             width = backdrop->width();
  62             height = backdrop->height();
  63         }
  64         else
  65         {
  66             delete backdrop;
  67             backdrop = 0;
  68         }
  69     }
  70
  71     fonts.insert(0, new RBFont("Nothin'"));
  72 }
  73
  74 RBScreen::~RBScreen()
  75 {
  76     if(backdrop)
  77         delete backdrop;
  78
  79     QMap<int, RBFont*>::iterator i;
  80     for(i = fonts.begin(); i != fonts.end(); i++)
  81         delete (*i);
  82
  83     QMap<QString, QList<RBViewport*>*>::iterator it;
  84     for(it = namedViewports.begin(); it != namedViewports.end(); it++)
  85         delete (*it);
  86 }
  87
  88 QPainterPath RBScreen::shape() const
  89 {
  90     QPainterPath retval;
  91     retval.addRect(0, 0, width, height);
  92     return retval;
  93 }
  94
  95 QRectF RBScreen::boundingRect() const
  96 {
  97     return QRectF(0, 0, width, height);
  98 }
  99
 100 void RBScreen::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
 101                      QWidget *widget)
 102 {
 103     if(backdrop)
 104     {
 105         painter->drawPixmap(0, 0, width, height, *backdrop);
 106     }
 107     else
 108     {
 109         painter->fillRect(0, 0, width, height, bgColor);
 110     }
 111 }
 112
 113 void RBScreen::loadViewport(QString name, RBViewport *view)
 114 {
 115     QList<RBViewport*>* list;
 116     if(namedViewports.value(name, 0) == 0)
 117     {
 118         list = new QList<RBViewport*>;
 119         list->append(view);
 120         namedViewports.insert(name, list);
 121     }
 122     else
 123     {
 124         list = namedViewports.value(name, 0);
 125         list->append(view);
 126     }
 127 }
 128
 129 void RBScreen::showViewport(QString name)
 130 {
 131     if(namedViewports.value(name, 0) == 0)
 132         return;
 133
 134     QList<RBViewport*>* list = namedViewports.value(name, 0);
 135     for(int i = 0; i < list->count(); i++)
 136         list->at(i)->show();
 137 }
 138
 139 void RBScreen::loadFont(int id, RBFont* font)
 140 {
 141     if(id < 2 || id > 9)
 142         return;
 143
 144     fonts.insert(id, font);
 145 }
 146
 147 RBFont* RBScreen::getFont(int id)
 148 {
 149     if(fonts.value(id, 0) != 0)
 150         return fonts.value(id);
 151     else
 152         return fonts.value(0, 0);
 153 }
 154
 155
 156 void RBScreen::setBackdrop(QString filename)
 157 {
 158
 159     if(backdrop)
 160         delete backdrop;
 161
 162     filename = settings->value("imagepath", "") + "/" + filename;
 163
 164     if(QFile::exists(filename))
 165         backdrop = new QPixmap(filename);
 166     else
 167         backdrop = 0;
 168 }
 169
 170 void RBScreen::makeCustomUI(QString id)
 171 {
 172     if(namedViewports.value(id, 0) != 0)
 173     {
 174         QMap<QString, QList<RBViewport*>*>::iterator i;
 175         for(i = namedViewports.begin(); i != namedViewports.end(); i++)
 176             for(int j = 0; j < (*i)->count(); j++)
 177                 (*i)->at(j)->clearCustomUI();
 178         for(int i = 0; i < namedViewports.value(id)->count(); i++)
 179             namedViewports.value(id)->at(i)->makeCustomUI();
 180         for(int i = 0; i < namedViewports.value(id)->count(); i++)
 181             namedViewports.value(id)->at(i)->show();
 182     }
 183 }
 184
 185 QColor RBScreen::stringToColor(QString str, QColor fallback)
 186 {
 187
 188     QColor retval;
 189
 190     if(str.length() == 6)
 191     {
 192         for(int i = 0; i < 6; i++)
 193         {
 194             char c = str[i].toAscii();
 195             if(!((c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F') ||
 196                  isdigit(c)))
 197             {
 198                 str = "";
 199                 break;
 200             }
 201         }
 202         if(str != "")
 203             retval = QColor("#" + str);
 204         else
 205             retval = fallback;
 206     }
 207     else if(str.length() == 1)
 208     {
 209         if(isdigit(str[0].toAscii()) && str[0].toAscii() <= '3')
 210         {
 211             int shade = 255 * (str[0].toAscii() - '0') / 3;
 212             retval = QColor(shade, shade, shade);
 213         }
 214         else
 215         {
 216             retval = fallback;
 217         }
 218     }
 219     else
 220     {
 221         retval = fallback;
 222     }
 223
 224     return retval;
 225
 226 }