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