142 lines
4 KiB
C++
142 lines
4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* Version: MPL 1.1 / GPLv3+ / LGPLv3+
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License or as specified alternatively below. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* Major Contributor(s):
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* [ Copyright (C) 2011 August Sodora <augsod@gmail.com> (initial developer) ]
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*
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* All Rights Reserved.
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*
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* For minor contributions see the git repository.
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 3 or later (the "GPLv3+"), or
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* the GNU Lesser General Public License Version 3 or later (the "LGPLv3+"),
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* in which case the provisions of the GPLv3+ or the LGPLv3+ are applicable
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* instead of those above.
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*/
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#include "baside2.hxx"
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#include "linenumberwindow.hxx"
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#include <vcl/xtextedt.hxx>
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#include <vcl/textview.hxx>
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namespace basctl
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{
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LineNumberWindow::LineNumberWindow (Window* pParent, ModulWindow* pModulWindow) :
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Window(pParent, WB_BORDER),
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m_pModulWindow(pModulWindow),
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m_nCurYOffset(0)
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{
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SetBackground(Wallpaper(GetSettings().GetStyleSettings().GetFieldColor()));
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m_nBaseWidth = GetTextWidth('8');
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m_nWidth = m_nBaseWidth * 3 + m_nBaseWidth / 2;
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}
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LineNumberWindow::~LineNumberWindow()
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{ }
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void LineNumberWindow::Paint( const Rectangle& )
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{
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if(SyncYOffset())
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return;
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ExtTextEngine* txtEngine = m_pModulWindow->GetEditEngine();
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if(!txtEngine)
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return;
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TextView* txtView = m_pModulWindow->GetEditView();
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if(!txtView)
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return;
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GetParent()->Resize();
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int windowHeight = GetOutputSize().Height();
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int nLineHeight = GetTextHeight();
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int startY = txtView->GetStartDocPos().Y();
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int nStartLine = startY / nLineHeight + 1;
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int nEndLine = (startY + windowHeight) / nLineHeight + 1;
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if(txtEngine->GetParagraphCount() + 1 < (unsigned int)nEndLine)
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nEndLine = txtEngine->GetParagraphCount() + 1;
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// FIXME: it would be best if we could get notified of a font change
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// rather than doing that re-calculation at each Paint event
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m_nBaseWidth = GetTextWidth(OUString('8'));
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// reserve enough for 3 sigit minimum, with a bit to spare for confort
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m_nWidth = m_nBaseWidth * 3 + m_nBaseWidth / 2;
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int i = (nEndLine + 1) / 1000;
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while(i)
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{
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i /= 10;
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m_nWidth += m_nBaseWidth;
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}
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sal_Int64 y = (nStartLine - 1) * nLineHeight;
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for(sal_Int32 n = nStartLine; n <= nEndLine; ++n, y += nLineHeight)
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DrawText(Point(0, y - m_nCurYOffset), OUString::valueOf(n));
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}
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void LineNumberWindow::DataChanged(DataChangedEvent const & rDCEvt)
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{
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Window::DataChanged(rDCEvt);
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if (rDCEvt.GetType() == DATACHANGED_SETTINGS
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&& (rDCEvt.GetFlags() & SETTINGS_STYLE) != 0)
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{
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Color aColor(GetSettings().GetStyleSettings().GetFieldColor());
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if (aColor != rDCEvt.GetOldSettings()->GetStyleSettings().GetFieldColor())
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{
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SetBackground(Wallpaper(aColor));
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Invalidate();
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}
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}
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}
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void LineNumberWindow::DoScroll(long nHorzScroll, long nVertScroll)
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{
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m_nCurYOffset -= nVertScroll;
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Window::Scroll(nHorzScroll, nVertScroll);
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}
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long& LineNumberWindow::GetCurYOffset()
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{
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return m_nCurYOffset;
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}
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bool LineNumberWindow::SyncYOffset()
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{
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TextView* pView = m_pModulWindow->GetEditView();
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if (!pView)
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return false;
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long nViewYOffset = pView->GetStartDocPos().Y();
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if (m_nCurYOffset == nViewYOffset)
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return false;
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m_nCurYOffset = nViewYOffset;
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Invalidate();
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return true;
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}
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int LineNumberWindow::GetWidth()
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{
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return m_nWidth;
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}
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} // namespace basctl
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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