forms/source/richtext/richtextvclcontrol.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include "richtextvclcontrol.hxx"
  21 #include "richtextimplcontrol.hxx"
  22 #include <svl/itempool.hxx>
  23 #include <svl/itemset.hxx>
  24 #include <svl/languageoptions.hxx>
  25 #if OSL_DEBUG_LEVEL > 0
  26     #include <unotools/ucbstreamhelper.hxx>
  27     #include <vcl/msgbox.hxx>
  28     #include <sfx2/filedlghelper.hxx>
  29     #include <tools/urlobj.hxx>
  30     #include "com/sun/star/ui/dialogs/TemplateDescription.hpp"
  31 #endif
  32 #include <editeng/scripttypeitem.hxx>
  33 #include <editeng/editeng.hxx>
  34 #include <editeng/editview.hxx>
  35 #include <editeng/eeitem.hxx>
  36 #include <editeng/fontitem.hxx>
  37 #include <editeng/fhgtitem.hxx>
  38 #include <editeng/editids.hrc>
  39 #include <svx/svxids.hrc>
  40
  41 namespace frm
  42 {
  43
  44     RichTextControl::RichTextControl( RichTextEngine* _pEngine, vcl::Window* _pParent, WinBits _nStyle,
  45         ITextAttributeListener* _pTextAttribListener, ITextSelectionListener* _pSelectionListener )
  46         :Control( _pParent, implInitStyle( _nStyle ) )
  47         ,m_pImpl( nullptr )
  48     {
  49         implInit( _pEngine, _pTextAttribListener, _pSelectionListener );
  50     }
  51
  52
  53     void RichTextControl::implInit( RichTextEngine* _pEngine, ITextAttributeListener* _pTextAttribListener, ITextSelectionListener* _pSelectionListener )
  54     {
  55         m_pImpl = new RichTextControlImpl( this, _pEngine, _pTextAttribListener, _pSelectionListener );
  56         SetCompoundControl( true );
  57     }
  58
  59
  60     RichTextControl::~RichTextControl( )
  61     {
  62         disposeOnce();
  63     }
  64
  65     void RichTextControl::dispose()
  66     {
  67         delete m_pImpl;
  68         Control::dispose();
  69     }
  70
  71
  72     AttributeState RichTextControl::getState( AttributeId _nAttributeId ) const
  73     {
  74         return m_pImpl->getAttributeState( _nAttributeId );
  75     }
  76
  77
  78     void RichTextControl::executeAttribute( AttributeId _nAttributeId, const SfxPoolItem* _pArgument )
  79     {
  80         SfxItemSet aToApplyAttributes( getView().GetEmptyItemSet() );
  81         if ( !m_pImpl->executeAttribute( getView().GetAttribs(), aToApplyAttributes, _nAttributeId, _pArgument, m_pImpl->getSelectedScriptType() ) )
  82         {
  83             OSL_FAIL( "RichTextControl::executeAttribute: cannot handle the given attribute!" );
  84             return;
  85         }
  86
  87         applyAttributes( aToApplyAttributes );
  88     }
  89
  90
  91     void RichTextControl::applyAttributes( const SfxItemSet& _rAttributesToApply )
  92     {
  93         // apply
  94         if ( HasChildPathFocus() )
  95             getView().HideCursor();
  96
  97         bool bOldUpdateMode = getEngine().GetUpdateMode();   // TODO: guard?
  98         getEngine().SetUpdateMode( false );
  99
 100         getView().SetAttribs( _rAttributesToApply );
 101
 102         getEngine().SetUpdateMode( bOldUpdateMode );
 103         getView().Invalidate();
 104
 105         if ( HasChildPathFocus() )
 106             getView().ShowCursor();
 107
 108         m_pImpl->updateAllAttributes();
 109             // TODO: maybe we should have a list of attributes which need to be updated
 110             // (the handler for the just executed attribute should know)
 111     }
 112
 113
 114     void RichTextControl::enableAttributeNotification( AttributeId _nAttributeId, ITextAttributeListener* _pListener )
 115     {
 116         m_pImpl->enableAttributeNotification( _nAttributeId, _pListener );
 117     }
 118
 119
 120     void RichTextControl::disableAttributeNotification( AttributeId _nAttributeId )
 121     {
 122         m_pImpl->disableAttributeNotification( _nAttributeId );
 123     }
 124
 125
 126     bool RichTextControl::isMappableSlot( SfxSlotId _nSlotId )
 127     {
 128         switch ( _nSlotId )
 129         {
 130             case SID_ATTR_PARA_ADJUST_LEFT:
 131             case SID_ATTR_PARA_ADJUST_CENTER:
 132             case SID_ATTR_PARA_ADJUST_RIGHT:
 133             case SID_ATTR_PARA_ADJUST_BLOCK:
 134             case SID_SET_SUPER_SCRIPT:
 135             case SID_SET_SUB_SCRIPT:
 136             case SID_ATTR_PARA_LINESPACE_10:
 137             case SID_ATTR_PARA_LINESPACE_15:
 138             case SID_ATTR_PARA_LINESPACE_20:
 139             case SID_ATTR_PARA_LEFT_TO_RIGHT:
 140             case SID_ATTR_PARA_RIGHT_TO_LEFT:
 141             case SID_TEXTDIRECTION_TOP_TO_BOTTOM:
 142             case SID_TEXTDIRECTION_LEFT_TO_RIGHT:
 143             case SID_ATTR_CHAR_LATIN_FONT:
 144             case SID_ATTR_CHAR_LATIN_FONTHEIGHT:
 145             case SID_ATTR_CHAR_LATIN_LANGUAGE:
 146             case SID_ATTR_CHAR_LATIN_POSTURE:
 147             case SID_ATTR_CHAR_LATIN_WEIGHT:
 148                 return true;
 149         }
 150         return false;
 151     }
 152
 153
 154     void RichTextControl::Resize()
 155     {
 156         m_pImpl->layoutWindow();
 157         Invalidate();
 158     }
 159
 160
 161     void RichTextControl::GetFocus()
 162     {
 163         getViewport().GrabFocus();
 164     }
 165
 166
 167     WinBits RichTextControl::implInitStyle( WinBits nStyle )
 168     {
 169         if ( !( nStyle & WB_NOTABSTOP ) )
 170             nStyle |= WB_TABSTOP;
 171         return nStyle;
 172     }
 173
 174
 175     void RichTextControl::StateChanged( StateChangedType _nStateChange )
 176     {
 177         if ( _nStateChange == StateChangedType::Style )
 178         {
 179             SetStyle( implInitStyle( GetStyle() ) );
 180             m_pImpl->notifyStyleChanged();
 181         }
 182         else if ( _nStateChange == StateChangedType::Zoom )
 183         {
 184             m_pImpl->notifyZoomChanged();
 185         }
 186         else if ( _nStateChange == StateChangedType::InitShow )
 187         {
 188             m_pImpl->notifyInitShow();
 189         }
 190         Control::StateChanged( _nStateChange );
 191     }
 192
 193
 194     bool RichTextControl::PreNotify( NotifyEvent& _rNEvt )
 195     {
 196         if ( IsWindowOrChild( _rNEvt.GetWindow() ) )
 197         {
 198             if ( MouseNotifyEvent::KEYINPUT == _rNEvt.GetType() )
 199             {
 200                 const ::KeyEvent* pKeyEvent = _rNEvt.GetKeyEvent();
 201
 202                 sal_uInt16 nCode = pKeyEvent->GetKeyCode().GetCode();
 203                 bool   bShift = pKeyEvent->GetKeyCode().IsShift();
 204                 bool   bCtrl = pKeyEvent->GetKeyCode().IsMod1();
 205                 bool   bAlt = pKeyEvent->GetKeyCode().IsMod2();
 206                 if ( ( KEY_TAB == nCode ) && bCtrl && !bAlt )
 207                 {
 208                     // Ctrl-Tab is used to step out of the control
 209                     // -> build a new key event without the Ctrl-key, and let the very base class handle it
 210                     vcl::KeyCode aNewCode( KEY_TAB, bShift, false, false, false );
 211                     ::KeyEvent aNewEvent( pKeyEvent->GetCharCode(), aNewCode );
 212                     Control::KeyInput( aNewEvent );
 213                     return true;   // handled
 214                 }
 215
 216 #if OSL_DEBUG_LEVEL > 0
 217                 if  (   (   ( KEY_F12 == nCode )
 218                         ||  ( KEY_F11 == nCode )
 219                         )
 220                     &&  bCtrl
 221                     &&  bAlt
 222                     )
 223                 {
 224                     bool bLoad = KEY_F11 == nCode;
 225                     struct
 226                     {
 227                         const sal_Char* pDescription;
 228                         const sal_Char* pExtension;
 229                         EETextFormat    eFormat;
 230                     } aExportFormats[] =
 231                     {
 232                         { "OASIS OpenDocument (*.xml)", "*.xml", EE_FORMAT_XML },
 233                         { "HyperText Markup Language (*.html)", "*.html", EE_FORMAT_HTML },
 234                         { "Rich Text format (*.rtf)", "*.rtf", EE_FORMAT_RTF },
 235                         { "Text (*.txt)", "*.txt", EE_FORMAT_TEXT }
 236                     };
 237
 238                     ::sfx2::FileDialogHelper aFP( bLoad ? css::ui::dialogs::TemplateDescription::FILEOPEN_SIMPLE : css::ui::dialogs::TemplateDescription::FILESAVE_AUTOEXTENSION, FileDialogFlags::NONE, this );
 239
 240                     for (auto & aExportFormat : aExportFormats)
 241                     {
 242                         aFP.AddFilter(
 243                             OUString::createFromAscii( aExportFormat.pDescription ),
 244                             OUString::createFromAscii( aExportFormat.pExtension ) );
 245                     }
 246                     ErrCode nResult = aFP.Execute();
 247                     if ( nResult == 0 )
 248                     {
 249                         OUString sFileName = aFP.GetPath();
 250                         SvStream* pStream = ::utl::UcbStreamHelper::CreateStream(
 251                             sFileName, ( bLoad ? StreamMode::READ : StreamMode::WRITE | StreamMode::TRUNC ) | StreamMode::SHARE_DENYALL
 252                         );
 253                         if ( pStream )
 254                         {
 255                             EETextFormat eFormat = EE_FORMAT_XML;
 256                             OUString sFilter = aFP.GetCurrentFilter();
 257                             for (auto & aExportFormat : aExportFormats)
 258                             {
 259                                 if ( sFilter.equalsAscii( aExportFormat.pDescription ) )
 260                                 {
 261                                     eFormat = aExportFormat.eFormat;
 262                                     break;
 263                                 }
 264                             }
 265                             if ( bLoad )
 266                             {
 267                                 INetURLObject aURL( sFileName );
 268                                 aURL.removeSegment();
 269                                 getEngine().Read( *pStream, aURL.GetMainURL( INetURLObject::NO_DECODE ), eFormat );
 270                             }
 271                             else
 272                             {
 273                                 getEngine().Write( *pStream, eFormat );
 274                             }
 275                         }
 276                         DELETEZ( pStream );
 277                     }
 278                     return true;   // handled
 279                 }
 280 #endif
 281             }
 282         }
 283         return Control::PreNotify( _rNEvt );
 284     }
 285
 286
 287     bool RichTextControl::Notify( NotifyEvent& _rNEvt )
 288     {
 289         bool bDone = false;
 290         if ( _rNEvt.GetType() == MouseNotifyEvent::COMMAND )
 291         {
 292             const CommandEvent& rEvent = *_rNEvt.GetCommandEvent();
 293             bDone = m_pImpl->HandleCommand( rEvent );
 294         }
 295         return bDone || Control::Notify( _rNEvt );
 296     }
 297
 298
 299     void RichTextControl::Draw( OutputDevice* _pDev, const Point& _rPos, const Size& _rSize, DrawFlags _nFlags )
 300     {
 301         m_pImpl->Draw( _pDev, _rPos, _rSize, _nFlags );
 302     }
 303
 304
 305     EditView& RichTextControl::getView()
 306     {
 307         return *m_pImpl->getView( RichTextControlImpl::GrantAccess() );
 308     }
 309
 310
 311     const EditView& RichTextControl::getView() const
 312     {
 313         return *m_pImpl->getView( RichTextControlImpl::GrantAccess() );
 314     }
 315
 316
 317     EditEngine& RichTextControl::getEngine() const
 318     {
 319         return *m_pImpl->getEngine( RichTextControlImpl::GrantAccess() );
 320     }
 321
 322
 323     vcl::Window& RichTextControl::getViewport() const
 324     {
 325         return *m_pImpl->getViewport( RichTextControlImpl::GrantAccess() );
 326     }
 327
 328
 329     void RichTextControl::SetReadOnly( bool _bReadOnly )
 330     {
 331         m_pImpl->SetReadOnly( _bReadOnly );
 332     }
 333
 334
 335     bool RichTextControl::IsReadOnly() const
 336     {
 337         return m_pImpl->IsReadOnly();
 338     }
 339
 340
 341     void RichTextControl::SetBackgroundColor( )
 342     {
 343         m_pImpl->SetBackgroundColor( );
 344     }
 345
 346
 347     void RichTextControl::SetBackgroundColor( const Color& _rColor )
 348     {
 349         m_pImpl->SetBackgroundColor( _rColor );
 350     }
 351
 352
 353     void RichTextControl::SetHideInactiveSelection( bool _bHide )
 354     {
 355         m_pImpl->SetHideInactiveSelection( _bHide );
 356     }
 357
 358
 359     bool RichTextControl::GetHideInactiveSelection() const
 360     {
 361         return m_pImpl->GetHideInactiveSelection( );
 362     }
 363
 364
 365 }   // namespace frm
 366
 367
 368 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */