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+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Author:
+ * Tavmjong Bah <tavmjong@free.fr>
+ *
+ * Copyright (C) 2015, 2018 Tavmong Bah
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#ifndef INKSCAPE_UI_WIDGET_FONT_VARIANT_H
+#define INKSCAPE_UI_WIDGET_FONT_VARIANT_H
+
+#include <gtkmm/expander.h>
+#include <gtkmm/checkbutton.h>
+#include <gtkmm/radiobutton.h>
+#include <gtkmm/entry.h>
+#include <gtkmm/grid.h>
+
+class SPDesktop;
+class SPObject;
+class SPStyle;
+class SPCSSAttr;
+
+namespace Inkscape {
+namespace UI {
+namespace Widget {
+
+class Feature;
+
+/**
+ * A container for selecting font variants (OpenType Features).
+ */
+class FontVariants : public Gtk::VBox
+{
+
+public:
+
+ /**
+ * Constructor
+ */
+ FontVariants();
+
+protected:
+ // Ligatures: To start, use four check buttons.
+ Gtk::Expander _ligatures_frame;
+ Gtk::Grid _ligatures_grid;
+ Gtk::CheckButton _ligatures_common;
+ Gtk::CheckButton _ligatures_discretionary;
+ Gtk::CheckButton _ligatures_historical;
+ Gtk::CheckButton _ligatures_contextual;
+ Gtk::Label _ligatures_label_common;
+ Gtk::Label _ligatures_label_discretionary;
+ Gtk::Label _ligatures_label_historical;
+ Gtk::Label _ligatures_label_contextual;
+
+ // Position: Exclusive options
+ Gtk::Expander _position_frame;
+ Gtk::Grid _position_grid;
+ Gtk::RadioButton _position_normal;
+ Gtk::RadioButton _position_sub;
+ Gtk::RadioButton _position_super;
+
+ // Caps: Exclusive options (maybe a dropdown menu to save space?)
+ Gtk::Expander _caps_frame;
+ Gtk::Grid _caps_grid;
+ Gtk::RadioButton _caps_normal;
+ Gtk::RadioButton _caps_small;
+ Gtk::RadioButton _caps_all_small;
+ Gtk::RadioButton _caps_petite;
+ Gtk::RadioButton _caps_all_petite;
+ Gtk::RadioButton _caps_unicase;
+ Gtk::RadioButton _caps_titling;
+
+ // Numeric: Complicated!
+ Gtk::Expander _numeric_frame;
+ Gtk::Grid _numeric_grid;
+
+ Gtk::RadioButton _numeric_default_style;
+ Gtk::RadioButton _numeric_lining;
+ Gtk::Label _numeric_lining_label;
+ Gtk::RadioButton _numeric_old_style;
+ Gtk::Label _numeric_old_style_label;
+
+ Gtk::RadioButton _numeric_default_width;
+ Gtk::RadioButton _numeric_proportional;
+ Gtk::Label _numeric_proportional_label;
+ Gtk::RadioButton _numeric_tabular;
+ Gtk::Label _numeric_tabular_label;
+
+ Gtk::RadioButton _numeric_default_fractions;
+ Gtk::RadioButton _numeric_diagonal;
+ Gtk::Label _numeric_diagonal_label;
+ Gtk::RadioButton _numeric_stacked;
+ Gtk::Label _numeric_stacked_label;
+
+ Gtk::CheckButton _numeric_ordinal;
+ Gtk::Label _numeric_ordinal_label;
+
+ Gtk::CheckButton _numeric_slashed_zero;
+ Gtk::Label _numeric_slashed_zero_label;
+
+ // East Asian: Complicated!
+ Gtk::Expander _asian_frame;
+ Gtk::Grid _asian_grid;
+
+ Gtk::RadioButton _asian_default_variant;
+ Gtk::RadioButton _asian_jis78;
+ Gtk::RadioButton _asian_jis83;
+ Gtk::RadioButton _asian_jis90;
+ Gtk::RadioButton _asian_jis04;
+ Gtk::RadioButton _asian_simplified;
+ Gtk::RadioButton _asian_traditional;
+
+ Gtk::RadioButton _asian_default_width;
+ Gtk::RadioButton _asian_full_width;
+ Gtk::RadioButton _asian_proportional_width;
+
+ Gtk::CheckButton _asian_ruby;
+
+ // -----
+ Gtk::Expander _feature_frame;
+ Gtk::Grid _feature_grid;
+ Gtk::VBox _feature_vbox;
+ Gtk::Entry _feature_entry;
+ Gtk::Label _feature_label;
+ Gtk::Label _feature_list;
+ Gtk::Label _feature_substitutions;
+
+private:
+ void ligatures_init();
+ void ligatures_callback();
+
+ void position_init();
+ void position_callback();
+
+ void caps_init();
+ void caps_callback();
+
+ void numeric_init();
+ void numeric_callback();
+
+ void asian_init();
+ void asian_callback();
+
+ void feature_init();
+public:
+ void feature_callback();
+
+private:
+ // To determine if we need to write out property (may not be necessary)
+ unsigned _ligatures_all;
+ unsigned _position_all;
+ unsigned _caps_all;
+ unsigned _numeric_all;
+ unsigned _asian_all;
+
+ unsigned _ligatures_mix;
+ unsigned _position_mix;
+ unsigned _caps_mix;
+ unsigned _numeric_mix;
+ unsigned _asian_mix;
+
+ bool _ligatures_changed;
+ bool _position_changed;
+ bool _caps_changed;
+ bool _numeric_changed;
+ bool _feature_changed;
+ bool _asian_changed;
+
+ std::map<std::string, Feature*> _features;
+
+ sigc::signal<void> _changed_signal;
+
+public:
+
+ /**
+ * Update GUI based on query results.
+ */
+ void update( SPStyle const *query, bool different_features, Glib::ustring& font_spec );
+
+ /**
+ * Update GUI based on OpenType features of selected font.
+ */
+ void update_opentype( Glib::ustring& font_spec );
+
+ /**
+ * Fill SPCSSAttr based on settings of buttons.
+ */
+ void fill_css( SPCSSAttr* css );
+
+ /**
+ * Get CSS string for markup.
+ */
+ Glib::ustring get_markup();
+
+ /**
+ * Let others know that user has changed GUI settings.
+ * (Used to enable 'Apply' and 'Default' buttons.)
+ */
+ sigc::connection connectChanged(sigc::slot<void> slot) {
+ return _changed_signal.connect(slot);
+ }
+};
+
+
+} // namespace Widget
+} // namespace UI
+} // namespace Inkscape
+
+#endif // INKSCAPE_UI_WIDGET_FONT_VARIANT_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 :