QtCollider/widgets/QcWebView.h

   1 /************************************************************************
   2 *
   3 * Copyright 2011 Jakob Leben (jakob.leben@gmail.com)
   4 *
   5 * This file is part of SuperCollider Qt GUI.
   6 *
   7 * This program is free software: you can redistribute it and/or modify
   8 * it under the terms of the GNU General Public License as published by
   9 * the Free Software Foundation, either version 3 of the License, or
  10 * (at your option) any later version.
  11 *
  12 * This program is distributed in the hope that it will be useful,
  13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 * GNU General Public License for more details.
  16 *
  17 * You should have received a copy of the GNU General Public License
  18 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 *
  20 ************************************************************************/
  21
  22 #ifndef QC_WEB_VIEW_H
  23 #define QC_WEB_VIEW_H
  24
  25 #include <QWebView>
  26 #include <QWebPage>
  27
  28 namespace QtCollider {
  29
  30 class WebPage;
  31
  32 class WebView : public QWebView
  33 {
  34   Q_OBJECT
  35   Q_PROPERTY( QString url READ url WRITE setUrl );
  36   Q_PROPERTY( QString html READ html )
  37   Q_PROPERTY( QString plainText READ plainText )
  38   Q_PROPERTY( QWebPage::LinkDelegationPolicy linkDelegationPolicy
  39               READ linkDelegationPolicy WRITE setLinkDelegationPolicy )
  40   Q_PROPERTY( bool delegateReload READ delegateReload WRITE setDelegateReload );
  41   Q_PROPERTY( bool enterInterpretsSelection
  42               READ interpretSelection WRITE setInterpretSelection );
  43
  44 public:
  45   Q_INVOKABLE void setHtml ( const QString &html, const QString &baseUrl = QString() );
  46   Q_INVOKABLE void evaluateJavaScript ( const QString &script );
  47   Q_INVOKABLE void setFontFamily( int genericFontFamily, const QString & fontFamily );
  48
  49 public Q_SLOTS:
  50   void findText( const QString &searchText, bool reversed = false );
  51
  52 Q_SIGNALS:
  53   void linkActivated( const QString & );
  54   void reloadTriggered( const QString & );
  55   void interpret( const QString & code );
  56
  57 public:
  58
  59   WebView( QWidget *parent = 0 );
  60
  61   QString url() const;
  62   void setUrl( const QString & );
  63   QString html () const;
  64   QString plainText () const;
  65
  66   QWebPage::LinkDelegationPolicy linkDelegationPolicy () const;
  67   void setLinkDelegationPolicy ( QWebPage::LinkDelegationPolicy );
  68   bool delegateReload() const;
  69   void setDelegateReload( bool );
  70   bool interpretSelection() const { return _interpretSelection; }
  71   void setInterpretSelection( bool b ) { _interpretSelection = b; }
  72
  73   inline static QUrl urlFromString( const QString & str ) {
  74     QUrl url( str );
  75     if( url.scheme().isEmpty() ) url.setScheme( "file" );
  76     return url;
  77   }
  78
  79 protected:
  80   virtual void keyPressEvent( QKeyEvent * );
  81
  82 private Q_SLOTS:
  83   void onLinkClicked( const QUrl & );
  84   void onPageReload();
  85
  86 private:
  87   bool _interpretSelection;
  88 };
  89
  90 class WebPage : public QWebPage
  91 {
  92   Q_OBJECT
  93
  94 public:
  95
  96   WebPage( QObject *parent ) : QWebPage( parent ), _delegateReload(false) {}
  97   virtual void triggerAction ( WebAction action, bool checked = false );
  98   bool delegateReload() const { return _delegateReload; }
  99   void setDelegateReload( bool flag ) { _delegateReload = flag; }
 100
 101 private:
 102
 103   bool _delegateReload;
 104 };
 105
 106 } // namespace QtCollider
 107
 108 #endif // QC_WEB_VIEW_H