git.maemo.org Git - quick-widgets/blob - quickwidget.cpp

   1 #include <QtDeclarative>\r
   2 #include <QtMaemo5>\r
   3 #include <QtGui/QX11Info>\r
   4 #include <X11/Xlib.h>\r
   5 #include <X11/Xatom.h>\r
   6 #include <X11/Xutil.h>\r
   7 #include "quickwidget.hpp"\r
   8 \r
   9 #define SETTING_QUICK_FILE "QuickWidgetFile"\r
  10 #define SETTING_QUICK_SIZE "QuickWidgetSize"\r
  11 #define SETTING_SAVE_WAITINTERVAL 3000\r
  12 \r
  13 static Atom onCurrentHomescreenAtom;\r
  14 static bool _atomsInitialized = false;\r
  15 \r
  16 QuickWidget *QuickWidget::createAndShowNew(const QString& fileName, const QSize& size)\r
  17 {\r
  18     QuickWidget *widget = new QuickWidget;\r
  19     widget->initView(fileName, size);\r
  20     widget->show();\r
  21     QeMaemo5DynamicWidgetHelper::globalInstance()->registerWidget(widget);\r
  22     return widget;\r
  23 }\r
  24 \r
  25 void QuickWidget::initView(const QString& fileName, const QSize& size)\r
  26 {\r
  27     size_ = size;\r
  28     saveSetting(SETTING_QUICK_FILE, fileName);\r
  29     saveSetting(SETTING_QUICK_SIZE, size_);\r
  30     view_->setSource(QUrl::fromLocalFile(fileName));\r
  31     if ( view_->status() == QDeclarativeView::Error) {\r
  32         errorWidget();\r
  33     }\r
  34     else if (size_.isValid())\r
  35     {\r
  36         // use given fixed size and scale to it\r
  37         qDebug() << "scaling";\r
  38         view_->setResizeMode(QDeclarativeView::SizeRootObjectToView);\r
  39     }\r
  40     else\r
  41     {\r
  42         size_ = view_->sceneRect().size().toSize();\r
  43     }\r
  44     view_->setFixedSize(size_);\r
  45     view_->show();\r
  46 }\r
  47 \r
  48 \r
  49 QuickWidget::QuickWidget(QWidget *parent)\r
  50     : QeMaemo5DynamicHomescreenWidget(true, parent),\r
  51     size_(QSize()),\r
  52     view_(0)\r
  53 {\r
  54     if (!_atomsInitialized) {\r
  55        onCurrentHomescreenAtom = XInternAtom(QX11Info::display(),\r
  56                                              "_HILDON_APPLET_ON_CURRENT_DESKTOP",\r
  57                                              false);\r
  58        _atomsInitialized = true;\r
  59     }\r
  60     view_ = new QDeclarativeView(this);\r
  61     view_->setStyleSheet("background:transparent");\r
  62     view_->setAttribute(Qt::WA_TranslucentBackground);\r
  63     wrapper_ = new QuickWidgetWrapper(this);\r
  64     view_->rootContext()->setContextProperty("runtime", wrapper_);\r
  65 \r
  66 }\r
  67 \r
  68 QuickWidget::~QuickWidget()\r
  69 {\r
  70     delete wrapper_;\r
  71 }\r
  72 \r
  73 bool QuickWidget::x11Event(XEvent *event)\r
  74 {\r
  75     bool passon = QeMaemo5DynamicHomescreenWidget::x11Event(event);\r
  76 \r
  77     if (event->xclient.message_type == onCurrentHomescreenAtom)\r
  78     {\r
  79         bool visible = isVisibleOnCurrentHomescreen() ;\r
  80         if (visible != wrapper_->onHomeScreen())\r
  81         {\r
  82             wrapper_->setOnHomeScreen(visible);\r
  83         }\r
  84     }\r
  85     return passon;\r
  86 }\r
  87 \r
  88 bool QuickWidget::restoreWidgetState()\r
  89 {\r
  90     QString fileName = loadSetting(SETTING_QUICK_FILE).toString();\r
  91     QSize size = loadSetting(SETTING_QUICK_SIZE, QSize()).value<QSize>();\r
  92     initView(fileName, size);\r
  93     return true;\r
  94 }\r
  95 \r
  96 void QuickWidget::errorWidget()\r
  97 {\r
  98     const QList<QDeclarativeError>& errs = view_->errors();\r
  99     qDebug() << errs;\r
 100     QByteArray errmsg;\r
 101     QTextStream qts(&errmsg);\r
 102     qts << "import Qt 4.7" << endl\r
 103         << "Rectangle { width: 200; height: txt.height; color: \"#ff0000\"; radius: 8" << endl\r
 104         << "Text { id: txt; anchors.centerIn: parent; text: \"";\r
 105     for (int i = 0; i < errs.size(); ++i) {\r
 106         qts << errs.at(i).toString().replace(QString("\""), QString("\\\"")) <<\r
 107 endl;\r
 108     }\r
 109     qts << "\"; font.pixelSize: 15; wrapMode: Text.Wrap; width: parent.width-20}" << endl\r
 110         << "}" << endl;\r
 111     qDebug() <<  errmsg;\r
 112     QDeclarativeComponent component(view_->engine());\r
 113     component.setData(errmsg, QUrl());\r
 114     qDebug() << component.errorString();\r
 115     QDeclarativeItem *errwdgt =\r
 116       qobject_cast<QDeclarativeItem*>(component.create(view_->rootContext()));\r
 117     view_->scene()->addItem(errwdgt);\r
 118     size_ = QSize(errwdgt->width(), errwdgt->height());\r
 119 }\r