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Two cables of one strip end close to each other, and their boxes are wider than the room between the two cables: a long Installation is enough for that, and the two boxes ended up written the one over the other -- a picture nobody can read, and no way to tell which box belongs to which cable. The boxes of a strip are now all measured before any of them is drawn, and placed from the left to the right: a box which would reach into one already placed is set just low enough to stand clear of it, its stub drawn longer. Nothing is cut down to fit -- the text keeps its font and the box keeps its width, it is the box which moves. The strip reserves the room for the lower box too, with the same rule and the very cells the drawing works on (Helpers::cableBoxesExtraDepth (), both styles now build one list of cells for the painting and for the reserved depth), so a lower box is never cut off by the drawing area. tst_cabletarget paints a strip with one cable ending on a target and the same strip with a second cable ending on one: the second picture draws a whole box lower, and the strip is deeper by exactly the room that lower box needs.
72 lines
3.1 KiB
C++
72 lines
3.1 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 TERMINALSTRIPDRAWERHELPERS_H
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#define TERMINALSTRIPDRAWERHELPERS_H
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#include "terminalstripdrawer.h"
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class QPainter;
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/**
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* Functions shared by the drawing styles of a terminal strip
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* (schematic style in terminalstripdrawer.cpp, realistic style in realisticterminalstripdrawer.cpp).
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*/
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namespace TerminalStripDrawer
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{
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namespace Helpers
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{
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//Width (mm) of the reference terminal (2.5 mm2), used when the width of a terminal is unknown
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qreal referenceTerminalWidthMm();
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//Fill color and stripe color (can be invalid) of a terminal
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void terminalColors(const QSharedPointer<AbstractRealTerminalInterface> &real_t,
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QColor &fill, QColor &stripe);
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//Black or white, the more readable on background
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QColor contrastColor(const QColor &background);
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//Number of a terminal : "1" for "XAUZ1:1"
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QString terminalNumber(const QString &label);
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//Symbol of the type of the terminal (fuse, diode, led...) scaled to fit in box
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void drawTypeSymbol(QPainter *painter, const QRectF &box,
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ElementData::TerminalType type, bool led);
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//What is needed to draw the cable under a terminal
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struct CableCell
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{
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qreal x{0}; ///< x of the middle of the terminal, in the strip coordinates
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qreal bottom{0}; ///< y of the bottom of the terminal
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QString cable; ///< name of the cable (hose)
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QString wire; ///< color / number of the wire
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bool shield{false}; ///< true if the terminal is the shield of the cable
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QSharedPointer<AbstractRealTerminalInterface> terminal; ///< to ask where the cable goes
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};
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//Draw the cables under the terminals, whichever style draws them :
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//consecutive terminals with the same cable share one cable, which ends
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//together in a short stub and a box naming where it goes (see drawCables()
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//in terminalstripdrawer.cpp for the whole drawing)
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void drawCables(QPainter *painter, const QVector<CableCell> &cells,
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const TerminalStripLayoutPattern &pattern);
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//How much deeper than the end zone (m_cable_end_length) the boxes of
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//the cables need: a box reaching into another one is set lower than
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//the others, and the strip must reserve the room for it or the lower
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//box is cut off. The same rule the drawing uses, worked out of the
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//same cells, so the two can never disagree.
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qreal cableBoxesExtraDepth(const QVector<CableCell> &cells,
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const TerminalStripLayoutPattern &pattern);
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}
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}
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#endif // TERMINALSTRIPDRAWERHELPERS_H
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