LCOV - code coverage report
Current view: top level - src/engraving/dom - expression.cpp Coverage Total Hit
Test: filtered_coverage.info Lines: 52.6 % 97 51
Test Date: 2026-11-05 04:07:02

            Line data    Source code
       1              : /*
       2              :  * SPDX-License-Identifier: GPL-3.0-only
       3              :  * MuseScore-Studio-CLA-applies
       4              :  *
       5              :  * MuseScore Studio
       6              :  * Music Composition & Notation
       7              :  *
       8              :  * Copyright (C) 2021 MuseScore Limited and others
       9              :  *
      10              :  * This program is free software: you can redistribute it and/or modify
      11              :  * it under the terms of the GNU General Public License version 3 as
      12              :  * published by the Free Software Foundation.
      13              :  *
      14              :  * This program is distributed in the hope that it will be useful,
      15              :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      16              :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      17              :  * GNU General Public License for more details.
      18              :  *
      19              :  * You should have received a copy of the GNU General Public License
      20              :  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
      21              :  */
      22              : #include "expression.h"
      23              : 
      24              : #include "chord.h"
      25              : #include "dynamic.h"
      26              : #include "dynamichairpingroup.h"
      27              : #include "note.h"
      28              : #include "segment.h"
      29              : #include "score.h"
      30              : #include "stafftext.h"
      31              : 
      32              : namespace mu::engraving {
      33              : static const ElementStyle expressionStyle {
      34              :     { Sid::expressionPlacement, Pid::PLACEMENT },
      35              :     { Sid::expressionMinDistance, Pid::MIN_DISTANCE },
      36              :     { Sid::snapToDynamics, Pid::SNAP_TO_DYNAMICS },
      37              : };
      38              : 
      39           33 : Expression::Expression(DummyParentOr<Segment> parent)
      40           33 :     : TextBase(ElementType::EXPRESSION, parent, TextStyleType::EXPRESSION, ElementFlag::MOVABLE | ElementFlag::ON_STAFF)
      41              : {
      42           33 :     initElementStyle(&expressionStyle);
      43           33 : }
      44              : 
      45            1 : Expression::Expression(const Expression& expression)
      46            1 :     : TextBase(expression)
      47              : {
      48            1 :     _snapToDynamics = expression._snapToDynamics;
      49            1 : }
      50              : 
      51            0 : bool Expression::isEditAllowed(EditData& ed) const
      52              : {
      53            0 :     bool ctrlPressed  = ed.modifiers & ControlModifier;
      54            0 :     bool shiftPressed = ed.modifiers & ShiftModifier;
      55            0 :     bool altPressed = ed.modifiers & AltModifier;
      56            0 :     if (altPressed && !ctrlPressed && !shiftPressed && (ed.key == Key_Left || ed.key == Key_Right)) {
      57            0 :         return false;
      58              :     }
      59              : 
      60            0 :     return TextBase::isEditAllowed(ed);
      61              : }
      62              : 
      63          272 : PropertyValue Expression::propertyDefault(Pid id) const
      64              : {
      65          272 :     switch (id) {
      66           13 :     case Pid::TEXT_STYLE:
      67           13 :         return TextStyleType::EXPRESSION;
      68          259 :     default:
      69          259 :         return TextBase::propertyDefault(id);
      70              :     }
      71              : }
      72              : 
      73            2 : double Expression::computeDynamicExpressionDistance(const Dynamic* snappedDyn) const
      74              : {
      75            2 :     IF_ASSERT_FAILED(snappedDyn) {
      76            0 :         return 0.0;
      77              :     }
      78              :     // We are essentially faking the kerning behaviour of dynamic VS expression text
      79              :     // There's no other way to do this because the dynamic is a different font.
      80            2 :     String dynamicTextString = snappedDyn->xmlText();
      81            2 :     String f = String::fromStdString("<sym>dynamicForte</sym>");
      82            2 :     double distance = (dynamicTextString.endsWith(f) ? 0.2 : 0.5) * spatium();
      83            2 :     distance *= 0.5 * (snappedDyn->symbolScale() + (size() / 10));
      84            2 :     return distance;
      85            2 : }
      86              : 
      87            0 : std::unique_ptr<ElementGroup> Expression::getDragGroup(std::function<bool(const EngravingItem*)> isDragged)
      88              : {
      89            0 :     if (auto g = DynamicExpressionDragGroup::detectFor(this, isDragged)) {
      90            0 :         return g;
      91            0 :     }
      92            0 :     return TextBase::getDragGroup(isDragged);
      93              : }
      94              : 
      95            0 : bool Expression::acceptDrop(EditData& ed) const
      96              : {
      97            0 :     return ed.dropElement->isDynamic() || TextBase::acceptDrop(ed);
      98              : }
      99              : 
     100            0 : EngravingItem* Expression::drop(Transaction& tx, EditData& ed)
     101              : {
     102            0 :     EngravingItem* item = ed.dropElement;
     103            0 :     if (item->isDynamic()) {
     104            0 :         Dynamic* snappedDyn = snappedDynamic();
     105            0 :         if (snappedDyn) {
     106            0 :             return snappedDyn->drop(tx, ed);
     107              :         }
     108              : 
     109            0 :         item->setTrack(track());
     110            0 :         item->setOwnershipParent(segment());
     111            0 :         score()->undoAddElement(item);
     112            0 :         item->undoChangeProperty(Pid::PLACEMENT, placement(), PropertyFlags::UNSTYLED);
     113            0 :         return item;
     114              :     }
     115              : 
     116            0 :     return TextBase::drop(tx, ed);
     117              : }
     118              : 
     119          364 : PropertyValue Expression::getProperty(Pid propertyId) const
     120              : {
     121          364 :     switch (propertyId) {
     122            6 :     case Pid::SNAP_TO_DYNAMICS:
     123            6 :         return _snapToDynamics;
     124          358 :     default:
     125          358 :         return TextBase::getProperty(propertyId);
     126              :     }
     127              : }
     128              : 
     129          685 : bool Expression::setProperty(Pid propertyId, const PropertyValue& v)
     130              : {
     131          685 :     switch (propertyId) {
     132           35 :     case Pid::SNAP_TO_DYNAMICS:
     133           35 :         if (_snapToDynamics == false && v.toBool() == true) {
     134           33 :             resetProperty(Pid::OFFSET);
     135              :         }
     136           35 :         setSnapToDynamics(v.toBool());
     137           35 :         break;
     138          650 :     default:
     139          650 :         if (!TextBase::setProperty(propertyId, v)) {
     140            0 :             return false;
     141              :         }
     142          650 :         break;
     143              :     }
     144          685 :     triggerLayout();
     145          685 :     return true;
     146              : }
     147              : 
     148           24 : void Expression::mapPropertiesFromOldExpressions(StaffText* staffText)
     149              : {
     150           24 :     if (staffText->minDistance() != propertyDefault(Pid::MIN_DISTANCE).value<Spatium>()) {
     151            0 :         setMinDistance(staffText->minDistance());
     152            0 :         setPropertyFlags(Pid::MIN_DISTANCE, PropertyFlags::UNSTYLED);
     153              :     }
     154           24 :     if (staffText->placement() != propertyDefault(Pid::PLACEMENT).value<PlacementV>()) {
     155           22 :         setPlacement(staffText->placement());
     156           22 :         setPropertyFlags(Pid::PLACEMENT, PropertyFlags::UNSTYLED);
     157              :     }
     158           24 :     if (!staffText->offset().isNull()) {
     159            2 :         setOffset(staffText->offset());
     160            2 :         setSnapToDynamics(false);
     161            2 :         setPropertyFlags(Pid::SNAP_TO_DYNAMICS, PropertyFlags::UNSTYLED);
     162              :     }
     163           24 :     if (staffText->frameType() != FrameType::NO_FRAME) {
     164            0 :         setFrameType(staffText->frameType());
     165            0 :         setFrameWidth(staffText->frameWidth());
     166            0 :         setFrameColor(staffText->frameColor());
     167            0 :         setBgColor(staffText->bgColor());
     168            0 :         setFrameRound(staffText->frameRound());
     169              :     }
     170           24 : }
     171              : 
     172            0 : Dynamic* Expression::snappedDynamic() const
     173              : {
     174            0 :     EngravingItem* item = ldata()->itemSnappedBefore();
     175            0 :     return item && item->isDynamic() ? toDynamic(item) : nullptr;
     176              : }
     177              : 
     178            0 : void Expression::reset()
     179              : {
     180            0 :     undoResetProperty(Pid::DIRECTION);
     181            0 :     undoResetProperty(Pid::CENTER_BETWEEN_STAVES);
     182            0 :     TextBase::reset();
     183            0 :     Dynamic* snappedDyn = snappedDynamic();
     184            0 :     if (snappedDyn && !snappedDyn->offset().isNull()) {
     185            0 :         snappedDyn->reset();
     186              :     }
     187            0 : }
     188              : } // namespace mu::engraving
        

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