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The Windows 11 style gives QPalette::Button a translucent colour (#FFFFFFB3). The rulers filled their background with it, and since they paint with WA_OpaquePaintEvent nothing clears them first: every zoom step blended the new labels over the old ones, leaving a fading trail. Fill with the button colour composed over the window colour instead, which is always opaque. Each ruler is now also hidden while the folio's own column (or row) header is wholly in sight, so zoomed out only the folio's headers show, not both. When a ruler comes or goes the drawing keeps its place on screen: the ruler covers or uncovers the edge of the viewport. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
57 lines
1.6 KiB
C++
57 lines
1.6 KiB
C++
/*
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Copyright 2006-2026 The QElectroTech Team
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This file is part of QElectroTech.
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QElectroTech is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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QElectroTech is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with QElectroTech. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef CELLRULER_H
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#define CELLRULER_H
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#include <QWidget>
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class DiagramView;
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/**
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@brief The CellRuler class
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A bar along the top or the left edge of a DiagramView that repeats the
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column numbers or the row letters of the folio border, aligned with the
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cells at any zoom, so they stay in sight however far the view is
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scrolled. It sits in the view's margins, outside of the scene: printing
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and exporting are unaffected.
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*/
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class CellRuler : public QWidget
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{
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Q_OBJECT
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public:
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CellRuler(Qt::Orientation orientation, DiagramView *view);
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int thickness() const;
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void setLeadingSpace(int space);
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protected:
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void paintEvent(QPaintEvent *event) override;
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private:
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QColor background() const;
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Qt::Orientation m_orientation;
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DiagramView *m_view;
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/// Pixels before the viewport starts, left empty: the corner the
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/// side ruler fills when both rulers are shown.
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int m_leading_space = 0;
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};
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#endif // CELLRULER_H
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