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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
commit | 940b4d1848e8c70ab7642901a68594e8016caffc (patch) | |
tree | eb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /basctl/source/basicide/linenumberwindow.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-940b4d1848e8c70ab7642901a68594e8016caffc.tar.xz libreoffice-940b4d1848e8c70ab7642901a68594e8016caffc.zip |
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | basctl/source/basicide/linenumberwindow.cxx | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/basctl/source/basicide/linenumberwindow.cxx b/basctl/source/basicide/linenumberwindow.cxx new file mode 100644 index 000000000..4fa6ebf8f --- /dev/null +++ b/basctl/source/basicide/linenumberwindow.cxx @@ -0,0 +1,130 @@ +/* -*- 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 <vcl/event.hxx> +#include <vcl/textview.hxx> +#include <vcl/xtextedt.hxx> +#include <vcl/settings.hxx> + +namespace basctl +{ + +LineNumberWindow::LineNumberWindow (vcl::Window* pParent, ModulWindow* pModulWindow) : + Window(pParent, WB_BORDER), + m_pModulWindow(pModulWindow), + m_nCurYOffset(0) +{ + SetBackground(Wallpaper(GetSettings().GetStyleSettings().GetFieldColor())); + m_nBaseWidth = GetTextWidth("8"); + 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; + + GetParent()->Resize(); + + int windowHeight = rRenderContext.GetOutputSize().Height(); + 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("8"); + + // 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; + } + + sal_Int64 y = (nStartLine - 1) * static_cast<sal_Int64>(nLineHeight); + for (sal_uInt32 n = nStartLine; n <= nEndLine; ++n, y += nLineHeight) + rRenderContext.DrawText(Point(0, y - m_nCurYOffset), OUString::number(n)); +} + +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(long nVertScroll) +{ + m_nCurYOffset -= nVertScroll; + Window::Scroll(0, nVertScroll); +} + + +bool LineNumberWindow::SyncYOffset() +{ + TextView* pView = m_pModulWindow->GetEditView(); + if (!pView) + return false; + + 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: */ |