f0334d62da
Using WindowColor for background and WindowTextColor for font color now Change-Id: Ie7bcb66d43673722ac882ac3cd59c7d9106f3020 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/125403 Tested-by: Jenkins Reviewed-by: Heiko Tietze <heiko.tietze@documentfoundation.org>
126 lines
3.7 KiB
C++
126 lines
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#include "baside2.hxx"
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#include <vcl/event.hxx>
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#include <vcl/textview.hxx>
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#include <vcl/xtextedt.hxx>
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#include <vcl/settings.hxx>
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namespace basctl
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{
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LineNumberWindow::LineNumberWindow(vcl::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().GetWindowColor()));
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m_FontColor = GetSettings().GetStyleSettings().GetWindowTextColor();
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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() { disposeOnce(); }
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void LineNumberWindow::dispose()
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{
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m_pModulWindow.clear();
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Window::dispose();
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}
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void LineNumberWindow::Paint(vcl::RenderContext& rRenderContext, const tools::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 = rRenderContext.GetOutputSize().Height();
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int nLineHeight = rRenderContext.GetTextHeight();
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if (!nLineHeight)
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{
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return;
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}
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int startY = txtView->GetStartDocPos().Y();
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const sal_uInt32 nStartLine = startY / nLineHeight + 1;
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sal_uInt32 nEndLine = (startY + windowHeight) / nLineHeight + 1;
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if (txtEngine->GetParagraphCount() + 1 < 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("8");
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// reserve enough for 3 digit minimum, with a bit to spare for comfort
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m_nWidth = m_nBaseWidth * 3 + m_nBaseWidth / 2;
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auto nMaxLineNumber = std::max(nEndLine, txtEngine->GetParagraphCount() + 1);
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sal_uInt32 i = (nMaxLineNumber + 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) * static_cast<sal_Int64>(nLineHeight);
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rRenderContext.SetTextColor(m_FontColor);
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for (sal_uInt32 n = nStartLine; n <= nEndLine; ++n, y += nLineHeight)
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rRenderContext.DrawText(Point(0, y - m_nCurYOffset), OUString::number(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() == DataChangedEventType::SETTINGS
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&& (rDCEvt.GetFlags() & AllSettingsFlags::STYLE))
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{
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Color aColor(GetSettings().GetStyleSettings().GetFieldColor());
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const AllSettings* pOldSettings = rDCEvt.GetOldSettings();
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if (!pOldSettings || aColor != pOldSettings->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(tools::Long nVertScroll)
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{
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m_nCurYOffset -= nVertScroll;
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Window::Scroll(0, nVertScroll);
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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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tools::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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} // namespace basctl
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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