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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Author:
* Felipe Corrêa da Silva Sanches <juca@members.fsf.org>
* Tavmjong Bah <tavmjong@free.fr>
*
* Copyright (C) 2018 Felipe Corrêa da Silva Sanches, Tavmong Bah
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#ifndef INKSCAPE_UI_WIDGET_FONT_VARIATIONS_H
#define INKSCAPE_UI_WIDGET_FONT_VARIATIONS_H
#include <gtkmm/grid.h>
#include <gtkmm/sizegroup.h>
#include <gtkmm/label.h>
#include <gtkmm/scale.h>
#include "libnrtype/OpenTypeUtil.h"
#include "style.h"
namespace Inkscape {
namespace UI {
namespace Widget {
/**
* A widget for a single axis: Label and Slider
*/
class FontVariationAxis : public Gtk::Grid
{
public:
FontVariationAxis(Glib::ustring name, OTVarAxis const &axis);
Glib::ustring get_name() { return name; }
Gtk::Label* get_label() { return label; }
double get_value() { return scale->get_value(); }
int get_precision() { return precision; }
Gtk::Scale* get_scale() { return scale; }
double get_def() { return def; }
private:
// Widgets
Glib::ustring name;
Gtk::Label* label;
Gtk::Scale* scale;
int precision;
double def = 0.0; // Default value
// Signals
sigc::signal<void ()> signal_changed;
};
/**
* A widget for selecting font variations (OpenType Variations).
*/
class FontVariations : public Gtk::Grid
{
public:
/**
* Constructor
*/
FontVariations();
protected:
public:
/**
* Update GUI.
*/
void update(const Glib::ustring& font_spec);
/**
* Fill SPCSSAttr based on settings of buttons.
*/
void fill_css( SPCSSAttr* css );
/**
* Get CSS String
*/
Glib::ustring get_css_string();
Glib::ustring get_pango_string();
void on_variations_change();
/**
* Let others know that user has changed GUI settings.
* (Used to enable 'Apply' and 'Default' buttons.)
*/
sigc::connection connectChanged(sigc::slot<void ()> slot) {
return signal_changed.connect(slot);
}
// return true if there are some variations present
bool variations_present() const;
private:
std::vector<FontVariationAxis*> axes;
Glib::RefPtr<Gtk::SizeGroup> size_group;
sigc::signal<void ()> signal_changed;
};
} // namespace Widget
} // namespace UI
} // namespace Inkscape
#endif // INKSCAPE_UI_WIDGET_FONT_VARIATIONS_H
/*
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 :
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