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