diff options
Diffstat (limited to '')
-rw-r--r-- | src/ui/selected-color.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/src/ui/selected-color.h b/src/ui/selected-color.h new file mode 100644 index 0000000..9543111 --- /dev/null +++ b/src/ui/selected-color.h @@ -0,0 +1,100 @@ +// 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 : |