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// SPDX-License-Identifier: GPL-2.0-or-later
/** @file
* Color selected in color selector widget.
* This file was created during the refactoring of SPColorSelector
*//*
* Authors:
* bulia byak <buliabyak@users.sf.net>
* Jon A. Cruz <jon@joncruz.org>
* Tomasz Boczkowski <penginsbacon@gmail.com>
*
* Copyright (C) 2014 Authors
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#ifndef SEEN_SELECTED_COLOR
#define SEEN_SELECTED_COLOR
#include <glib.h>
#include <sigc++/signal.h>
#include <glibmm/ustring.h>
#include "color.h"
namespace Gtk
{
class Widget;
}
namespace Inkscape {
namespace UI {
class SelectedColor {
public:
SelectedColor();
virtual ~SelectedColor();
// By default, disallow copy constructor and assignment operator
SelectedColor(SelectedColor const &obj) = delete;
SelectedColor& operator=(SelectedColor const &obj) = delete;
void setColor(SPColor const &color);
SPColor color() const;
void setAlpha(gfloat alpha);
gfloat alpha() const;
void setValue(guint32 value);
guint32 value() const;
void setColorAlpha(SPColor const &color, gfloat alpha, bool emit_signal = true);
void colorAlpha(SPColor &color, gfloat &alpha) const;
void setHeld(bool held);
void preserveICC();
sigc::signal<void> signal_grabbed;
sigc::signal<void> signal_dragged;
sigc::signal<void> signal_released;
sigc::signal<void> signal_changed;
private:
SPColor _color;
/**
* Color alpha value guaranteed to be in [0, 1].
*/
gfloat _alpha;
bool _held;
/**
* This flag is true if no color is set yet
*/
bool _virgin;
bool _updating;
static double const _EPSILON;
};
class ColorSelectorFactory {
public:
virtual ~ColorSelectorFactory() = default;
virtual Gtk::Widget* createWidget(SelectedColor &color) const = 0;
virtual Glib::ustring modeName() const = 0;
};
}
}
#endif
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :
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