/* -*- 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/. */ #include "baside2.hxx" #include #include #include #include namespace basctl { LineNumberWindow::LineNumberWindow(vcl::Window* pParent, ModulWindow* pModulWindow) : Window(pParent, WB_BORDER) , m_pModulWindow(pModulWindow) , m_nCurYOffset(0) { // tdf#153853 The line number window does not need to be affected by RTL EnableRTL(false); const Wallpaper aBackground(GetSettings().GetStyleSettings().GetWindowColor()); SetBackground(aBackground); GetWindow(GetWindowType::Border)->SetBackground(aBackground); m_FontColor = GetSettings().GetStyleSettings().GetWindowTextColor(); m_HighlightColor = GetSettings().GetStyleSettings().GetFaceColor(); m_nBaseWidth = GetTextWidth(u"8"_ustr); m_nWidth = m_nBaseWidth * 3 + m_nBaseWidth / 2; } LineNumberWindow::~LineNumberWindow() { disposeOnce(); } void LineNumberWindow::dispose() { m_pModulWindow.clear(); Window::dispose(); } void LineNumberWindow::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle&) { if (SyncYOffset()) return; ExtTextEngine* txtEngine = m_pModulWindow->GetEditEngine(); if (!txtEngine) return; TextView* txtView = m_pModulWindow->GetEditView(); if (!txtView) return; int windowHeight = rRenderContext.GetOutputSize().Height(); int windowWidth = rRenderContext.GetOutputSize().Width(); int nLineHeight = rRenderContext.GetTextHeight(); if (!nLineHeight) { return; } int startY = txtView->GetStartDocPos().Y(); const sal_uInt32 nStartLine = startY / nLineHeight + 1; sal_uInt32 nEndLine = (startY + windowHeight) / nLineHeight + 1; if (txtEngine->GetParagraphCount() + 1 < nEndLine) nEndLine = txtEngine->GetParagraphCount() + 1; // FIXME: it would be best if we could get notified of a font change // rather than doing that re-calculation at each Paint event m_nBaseWidth = GetTextWidth(u"8"_ustr); // reserve enough for 3 digit minimum, with a bit to spare for comfort m_nWidth = m_nBaseWidth * 3 + m_nBaseWidth / 2; auto nMaxLineNumber = std::max(nEndLine, txtEngine->GetParagraphCount() + 1); sal_uInt32 i = (nMaxLineNumber + 1) / 1000; while (i) { i /= 10; m_nWidth += m_nBaseWidth; } vcl::Font aNormalFont = rRenderContext.GetFont(); vcl::Font aBoldFont(aNormalFont); aBoldFont.SetWeight(FontWeight::WEIGHT_BOLD); sal_uInt32 nParaEnd = txtView->GetSelection().GetEnd().GetPara() + 1; sal_Int64 y = (nStartLine - 1) * static_cast(nLineHeight); for (sal_uInt32 n = nStartLine; n <= nEndLine; ++n, y += nLineHeight) { // Font weight for the selected lines is bold if (n == nParaEnd) { tools::Rectangle aRect(Point(0, y - m_nCurYOffset), Point(windowWidth, y - m_nCurYOffset + nLineHeight)); rRenderContext.SetFillColor(m_HighlightColor); rRenderContext.DrawRect(aRect); rRenderContext.SetFont(aBoldFont); } else { rRenderContext.SetFont(aNormalFont); } rRenderContext.SetTextColor(m_FontColor); const OUString aLineNumber = OUString::number(n); // tdf#153798 - align line numbers to the right rRenderContext.DrawText( Point(m_nWidth - GetTextWidth(aLineNumber) - m_nBaseWidth / 2, y - m_nCurYOffset), aLineNumber); } // Restore the original font rRenderContext.SetFont(aNormalFont); // Resize the parent after calculating the new width and height values GetParent()->Resize(); } void LineNumberWindow::DataChanged(DataChangedEvent const& rDCEvt) { Window::DataChanged(rDCEvt); if (rDCEvt.GetType() == DataChangedEventType::SETTINGS && (rDCEvt.GetFlags() & AllSettingsFlags::STYLE)) { Color aColor(GetSettings().GetStyleSettings().GetFieldColor()); const AllSettings* pOldSettings = rDCEvt.GetOldSettings(); if (!pOldSettings || aColor != pOldSettings->GetStyleSettings().GetFieldColor()) { SetBackground(Wallpaper(aColor)); Invalidate(); } } } void LineNumberWindow::DoScroll(tools::Long nVertScroll) { m_nCurYOffset -= nVertScroll; Window::Scroll(0, nVertScroll); } bool LineNumberWindow::SyncYOffset() { TextView* pView = m_pModulWindow->GetEditView(); if (!pView) return false; tools::Long nViewYOffset = pView->GetStartDocPos().Y(); if (m_nCurYOffset == nViewYOffset) return false; m_nCurYOffset = nViewYOffset; Invalidate(); return true; } } // namespace basctl /* vim:set shiftwidth=4 softtabstop=4 expandtab: */