office-gobmx/vcl/source/control/prgsbar.cxx
Caolán McNamara 9c6a2a63fc cid#1500406 Uninitialized scalar field
Change-Id: I1e2de80f8943d2bfe288b8ddcabd376561269d24
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/130598
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
2022-02-26 20:05:34 +01:00

232 lines
6.8 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <vcl/event.hxx>
#include <vcl/status.hxx>
#include <vcl/toolkit/prgsbar.hxx>
#include <vcl/settings.hxx>
#include <sal/log.hxx>
#include <vcl/svapp.hxx>
#include <vcl/idle.hxx>
#define PROGRESSBAR_OFFSET 3
#define PROGRESSBAR_WIN_OFFSET 2
void ProgressBar::ImplInit()
{
mnPrgsWidth = 0;
mnPrgsHeight = 0;
mnPercent = 0;
mnPercentCount = 0;
mbCalcNew = true;
ImplInitSettings( true, true, true );
}
static WinBits clearProgressBarBorder( vcl::Window const * pParent, WinBits nOrgStyle )
{
WinBits nOutStyle = nOrgStyle;
if( pParent && (nOrgStyle & WB_BORDER) != 0 )
{
if( pParent->IsNativeControlSupported( ControlType::Progress, ControlPart::Entire ) )
nOutStyle &= WB_BORDER;
}
return nOutStyle;
}
Size ProgressBar::GetOptimalSize() const
{
return Size(150, 20);
}
ProgressBar::ProgressBar( vcl::Window* pParent, WinBits nWinStyle ) :
Window( pParent, clearProgressBarBorder( pParent, nWinStyle ) )
{
SetOutputSizePixel( GetOptimalSize() );
ImplInit();
}
void ProgressBar::ImplInitSettings( bool bFont,
bool bForeground, bool bBackground )
{
const StyleSettings& rStyleSettings = GetSettings().GetStyleSettings();
/* FIXME: !!! We do not support text output at the moment
if ( bFont )
ApplyControlFont(*this, rStyleSettings.GetAppFont());
*/
if ( bBackground )
{
if( !IsControlBackground() &&
IsNativeControlSupported( ControlType::Progress, ControlPart::Entire ) )
{
if( GetStyle() & WB_BORDER )
SetBorderStyle( WindowBorderStyle::REMOVEBORDER );
EnableChildTransparentMode();
SetPaintTransparent( true );
SetBackground();
SetParentClipMode( ParentClipMode::NoClip );
}
else
{
Color aColor;
if ( IsControlBackground() )
aColor = GetControlBackground();
else
aColor = rStyleSettings.GetFaceColor();
SetBackground( aColor );
}
}
if ( !(bForeground || bFont) )
return;
Color aColor = rStyleSettings.GetHighlightColor();
if ( IsControlForeground() )
aColor = GetControlForeground();
if ( aColor.IsRGBEqual( GetBackground().GetColor() ) )
{
if ( aColor.GetLuminance() > 100 )
aColor.DecreaseLuminance( 64 );
else
aColor.IncreaseLuminance( 64 );
}
GetOutDev()->SetLineColor();
GetOutDev()->SetFillColor( aColor );
/* FIXME: !!! We do not support text output at the moment
SetTextColor( aColor );
SetTextFillColor();
*/
}
void ProgressBar::ImplDrawProgress(vcl::RenderContext& rRenderContext, sal_uInt16 nNewPerc)
{
if (mbCalcNew)
{
mbCalcNew = false;
Size aSize(GetOutputSizePixel());
mnPrgsHeight = aSize.Height() - (PROGRESSBAR_WIN_OFFSET * 2);
mnPrgsWidth = (mnPrgsHeight * 2) / 3;
maPos.setY( PROGRESSBAR_WIN_OFFSET );
tools::Long nMaxWidth = aSize.Width() - (PROGRESSBAR_WIN_OFFSET * 2) + PROGRESSBAR_OFFSET;
sal_uInt16 nMaxCount = static_cast<sal_uInt16>(nMaxWidth / (mnPrgsWidth+PROGRESSBAR_OFFSET));
if (nMaxCount <= 1)
{
nMaxCount = 1;
}
else
{
while (((10000 / (10000 / nMaxCount)) * (mnPrgsWidth + PROGRESSBAR_OFFSET)) > nMaxWidth)
{
nMaxCount--;
}
}
mnPercentCount = 10000 / nMaxCount;
nMaxWidth = ((10000 / (10000 / nMaxCount)) * (mnPrgsWidth + PROGRESSBAR_OFFSET)) - PROGRESSBAR_OFFSET;
maPos.setX( (aSize.Width() - nMaxWidth) / 2 );
}
::DrawProgress(this, rRenderContext, maPos, PROGRESSBAR_OFFSET, mnPrgsWidth, mnPrgsHeight,
/*nPercent1=*/0, nNewPerc * 100, mnPercentCount,
tools::Rectangle(Point(), GetSizePixel()));
}
void ProgressBar::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& /*rRect*/)
{
ImplDrawProgress(rRenderContext, mnPercent);
}
void ProgressBar::Resize()
{
mbCalcNew = true;
if ( IsReallyVisible() )
Invalidate();
}
void ProgressBar::SetValue( sal_uInt16 nNewPercent )
{
SAL_WARN_IF( nNewPercent > 100, "vcl", "StatusBar::SetProgressValue(): nPercent > 100" );
if ( nNewPercent < mnPercent )
{
mbCalcNew = true;
mnPercent = nNewPercent;
if ( IsReallyVisible() )
{
Invalidate();
PaintImmediately();
}
}
else if ( mnPercent != nNewPercent )
{
mnPercent = nNewPercent;
Invalidate();
// Make sure the progressbar is actually painted even if the caller is busy with its task,
// so the main loop would not be invoked.
Idle aIdle("ProgressBar::SetValue aIdle");
aIdle.SetPriority(TaskPriority::POST_PAINT);
aIdle.Start();
while (aIdle.IsActive() && !Application::IsQuit())
{
Application::Yield();
}
}
}
void ProgressBar::StateChanged( StateChangedType nType )
{
/* FIXME: !!! We do not support text output at the moment
if ( (nType == StateChangedType::Zoom) ||
(nType == StateChangedType::ControlFont) )
{
ImplInitSettings( true, false, false );
Invalidate();
}
else
*/
if ( nType == StateChangedType::ControlForeground )
{
ImplInitSettings( false, true, false );
Invalidate();
}
else if ( nType == StateChangedType::ControlBackground )
{
ImplInitSettings( false, false, true );
Invalidate();
}
Window::StateChanged( nType );
}
void ProgressBar::DataChanged( const DataChangedEvent& rDCEvt )
{
if ( (rDCEvt.GetType() == DataChangedEventType::SETTINGS) &&
(rDCEvt.GetFlags() & AllSettingsFlags::STYLE) )
{
ImplInitSettings( true, true, true );
Invalidate();
}
Window::DataChanged( rDCEvt );
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */