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77 lines
2.2 KiB
C++
77 lines
2.2 KiB
C++
/*
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* Draggable.h
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*
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* Copyright (c) 2025 Lost Robot <r94231/at/gmail/dot/com>
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*
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* This file is part of LMMS - https://lmms.io
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This program 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 GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program (see COPYING); if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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*/
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#ifndef LMMS_GUI_DRAGGABLE_H
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#define LMMS_GUI_DRAGGABLE_H
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#include "FloatModelEditorBase.h"
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namespace lmms::gui
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{
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/**
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* @brief A pixmap that can be dragged from one location to another to control a FloatModel
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*/
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class LMMS_EXPORT Draggable : public FloatModelEditorBase
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{
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Q_OBJECT
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public:
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using FloatModelEditorBase::DirectionOfManipulation;
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/**
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* @param directionOfManipulation Direction the user can drag the control
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* @param floatModel Pointer to the FloatModel this draggable modifies
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* @param pixmap The pixmap shown for this handle
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* @param pointA Starting pixel position (Y if vertical, X if horizontal)
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* @param pointB Ending pixel position (Y if vertical, X if horizontal)
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* @param parent Parent QWidget
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*/
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Draggable(DirectionOfManipulation directionOfManipulation,
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FloatModel* floatModel, const QPixmap& pixmap, int pointA, int pointB, QWidget* parent = nullptr);
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QSize sizeHint() const override;
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void setPixmap(const QPixmap& pixmap);
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void setDefaultValPixmap(const QPixmap& pixmap, float value = 0.f);
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protected:
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void paintEvent(QPaintEvent* event) override;
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void mouseMoveEvent(QMouseEvent* me) override;
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protected slots:
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void handleMovement();
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private:
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QPixmap m_pixmap;
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QPixmap m_defaultValPixmap;
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float m_pointA;
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float m_pointB;
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float m_defaultValue;
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bool m_hasDefaultValPixmap;
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};
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} // namespace lmms::gui
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#endif // LMMS_GUI_DRAGGABLE_H
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