framework/source/uielement/genericstatusbarcontroller.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 <uielement/genericstatusbarcontroller.hxx>
  21 #include <uielement/statusbarmerger.hxx>
  22
  23 #include <vcl/svapp.hxx>
  24 #include <vcl/status.hxx>
  25 #include <vcl/image.hxx>
  26 #include <toolkit/helper/vclunohelper.hxx>
  27 #include <toolkit/helper/convert.hxx>
  28
  29 #include <com/sun/star/ui/ItemStyle.hpp>
  30 #include <com/sun/star/beans/XPropertySet.hpp>
  31 #include <com/sun/star/awt/ImageDrawMode.hpp>
  32 #include <com/sun/star/awt/XGraphics2.hpp>
  33 #include <com/sun/star/graphic/GraphicType.hpp>
  34
  35 using ::rtl::OUString;
  36
  37 using namespace ::cppu;
  38 using namespace ::com::sun::star;
  39 using namespace ::com::sun::star::uno;
  40 using namespace ::com::sun::star::lang;
  41 using namespace ::com::sun::star::frame;
  42
  43 namespace framework
  44 {
  45
  46 GenericStatusbarController::GenericStatusbarController(
  47     const Reference< XComponentContext >& rxContext,
  48     const Reference< XFrame >& rxFrame,
  49     const Reference< ui::XStatusbarItem >& rxItem,
  50     AddonStatusbarItemData *pItemData )
  51     : svt::StatusbarController( rxContext, rxFrame, OUString(), 0 )
  52     , m_bEnabled( false )
  53     , m_bOwnerDraw( false )
  54     , m_pItemData( pItemData )
  55     , m_xGraphic()
  56 {
  57     m_xStatusbarItem = rxItem;
  58     if ( m_xStatusbarItem.is() )
  59     {
  60         m_aCommandURL = m_xStatusbarItem->getCommand();
  61         m_nID = m_xStatusbarItem->getItemId();
  62         m_bOwnerDraw = ( m_xStatusbarItem->getStyle() & ui::ItemStyle::OWNER_DRAW ) == ui::ItemStyle::OWNER_DRAW;
  63         if ( !m_bOwnerDraw && m_pItemData && m_pItemData->aLabel.getLength() )
  64             m_xStatusbarItem->setText( m_pItemData->aLabel );
  65     }
  66 }
  67
  68 GenericStatusbarController::~GenericStatusbarController()
  69 {
  70 }
  71
  72 void SAL_CALL GenericStatusbarController::dispose()
  73 throw ( RuntimeException, std::exception )
  74 {
  75     svt::StatusbarController::dispose();
  76
  77     SolarMutexGuard aGuard;
  78     m_pItemData = NULL;
  79     m_xGraphic.clear();
  80     m_xStatusbarItem.clear();
  81
  82 }
  83
  84 void SAL_CALL GenericStatusbarController::statusChanged(
  85     const FeatureStateEvent& rEvent)
  86 throw ( RuntimeException, std::exception )
  87 {
  88     SolarMutexGuard aGuard;
  89
  90     if ( m_bDisposed || !m_xStatusbarItem.is() )
  91         return;
  92
  93     m_bEnabled = rEvent.IsEnabled;
  94
  95     rtl::OUString aStrValue;
  96     Reference< graphic::XGraphic > aGraphic;
  97
  98     if ( rEvent.State >>= aStrValue )
  99     {
 100         if ( !m_bOwnerDraw )
 101             m_xStatusbarItem->setText( aStrValue );
 102         else
 103         {
 104             if ( aStrValue.getLength() )
 105             {
 106                 m_xStatusbarItem->setQuickHelpText( aStrValue );
 107             }
 108         }
 109     }
 110     else if ( ( rEvent.State >>= aGraphic ) && m_bOwnerDraw )
 111     {
 112         m_xGraphic = aGraphic;
 113     }
 114
 115     // when the status is updated, and the controller is responsible for
 116     // painting the statusbar item content, we must trigger a repaint
 117     if ( m_bOwnerDraw && m_xStatusbarItem->getVisible() )
 118     {
 119         m_xStatusbarItem->repaint();
 120     }
 121 }
 122
 123 void SAL_CALL GenericStatusbarController::paint(
 124     const Reference< awt::XGraphics >& xGraphics,
 125     const awt::Rectangle& rOutputRectangle,
 126     ::sal_Int32 /*nStyle*/ )
 127 throw ( RuntimeException, std::exception )
 128 {
 129     OSL_TRACE("framework::GenericStatusbarController::paint");
 130     SolarMutexGuard aGuard;
 131
 132     const Reference< awt::XGraphics2 > xGraphics2(xGraphics, UNO_QUERY);
 133
 134     if ( !m_xStatusbarItem.is() || !xGraphics2.is() )
 135         return;
 136
 137     Reference< beans::XPropertySet > xGraphicProps( m_xGraphic, UNO_QUERY );
 138
 139     if ( xGraphicProps.is() && m_xGraphic->getType() != graphic::GraphicType::EMPTY )
 140     {
 141         awt::Size aGraphicSize;
 142         xGraphicProps->getPropertyValue( OUString( "SizePixel" ) ) >>= aGraphicSize;
 143         OSL_ENSURE( aGraphicSize.Height > 0 && aGraphicSize.Width > 0, "Empty status bar graphic!" );
 144
 145         sal_Int32 nOffset = m_xStatusbarItem->getOffset( );
 146         awt::Point aPos;
 147         aPos.X = ( rOutputRectangle.Width + nOffset ) / 2 - aGraphicSize.Width / 2;
 148         aPos.Y = rOutputRectangle.Height / 2 - aGraphicSize.Height / 2;
 149
 150         xGraphics2->drawImage( rOutputRectangle.X + aPos.X,
 151                               rOutputRectangle.Y + aPos.Y,
 152                               aGraphicSize.Width,
 153                               aGraphicSize.Height,
 154                               m_bEnabled ? awt::ImageDrawMode::NONE : awt::ImageDrawMode::DISABLE,
 155                               m_xGraphic );
 156     }
 157     else
 158     {
 159         xGraphics2->clear( rOutputRectangle );
 160     }
 161 }
 162
 163 }
 164
 165 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */