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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* This file defines the Font Collections class. A map takes care of all the collections.
* On the hard disk the font collections are stored in the user profile path under the
* "fontcollections" directory. Each collection file is a plain text file which is named
* as "collection_name.txt" and contains the fonts contained in that collection. On
* initializing the collections, it loads the font collections stored in the files and
* their respective fonts.
*
* This file further contains all the necessary functions to create a new font collection,
* update the fonts stored in a collection, rename a collection and deletion of collections
* and their fonts.
*
* Authors:
* Vaibhav Malik <vaibhavmalik2018@gmail.com>
*
* The contents of this file may be used under the GNU General Public License Version 2 or later.
*
*/
#ifndef INK_COLLECTIONS_H
#define INK_COLLECTIONS_H
#include <map>
#include <set>
#include <glib/gi18n.h>
#include <giomm.h>
#include <gtkmm.h>
#include <sigc++/sigc++.h>
namespace Inkscape {
inline const std::string RECENTLY_USED_FONTS = _("Recently Used Fonts");
inline const std::string DOCUMENT_FONTS = _("Document Fonts");
struct FontCollection {
Glib::ustring name;
std::set <Glib::ustring> fonts;
bool is_system;
bool operator == (const FontCollection& ft) const { return name == ft.name;}
bool operator < (const FontCollection& ft) const { return name < ft.name;}
FontCollection(const Glib::ustring name, bool is_system): name(name), is_system(is_system) {}
FontCollection(const Glib::ustring name, const std::set <Glib::ustring> fonts, bool is_system): name(name), fonts(fonts), is_system(is_system) {}
void insert_font(const Glib::ustring &font_name)
{
fonts.insert(font_name);
}
};
// The FontCollections class is a singleton class.
class FontCollections {
public:
enum What {
All,
System,
User
};
static FontCollections* get();
~FontCollections() = default;
void init();
void clear();
// void print_collection_font_map();
void read(const std::vector <Glib::ustring>&, bool is_system = false);
void write_collection(const Glib::ustring& collection_name, const std::set <Glib::ustring>& fonts, bool is_system = false);
// System collections.
// We just store the names of system collections here.
// The logic to manage the system collections is written in separate files.
void add_system_collections();
// Add/remove user collections
void add_collection(const Glib::ustring& collection_name, bool is_system = false);
void remove_collection(const Glib::ustring& collection_name);
void rename_collection(const Glib::ustring& old_name, const Glib::ustring& new_name);
void rename_font(const Glib::ustring& collection_name, const Glib::ustring& old_name, const Glib::ustring& new_name);
void add_font(const Glib::ustring& collection_name, const Glib::ustring& font_name);
void remove_font(const Glib::ustring& collection_name, const Glib::ustring& font_name);
void update_selected_collections(const Glib::ustring& collection_name);
bool is_collection_selected(const Glib::ustring& collection_name);
void clear_selected_collections();
// Utility
std::string& trim_left_and_right(std::string& s, const char* t = " \t\n\r\f\v");
int get_user_collection_location(const Glib::ustring& collection_name);
std::string generate_filename_from_collection(const Glib::ustring &collection_name, bool is_system);
int get_collections_count(bool is_system = false);
bool find_collection(const Glib::ustring& collection_name, bool is_system = false);
std::vector <Glib::ustring> get_collections(bool is_system = false);
std::vector <Glib::ustring> get_all_collections();
std::set <Glib::ustring> get_fonts(const Glib::ustring& name, bool is_system = false);
// This signal will be emitted whenever there's a change in the font collections
// This includes: Creating/deleting collection, and adding/deleting fonts.
sigc::connection connect_update(sigc::slot <void ()> slot) {
return update_signal.connect(slot);
}
// This signal will be emitted whenever the user selects or
// un-selects a font collection.
sigc::connection connect_selection_update(sigc::slot <void ()> slot) {
return selection_update_signal.connect(slot);
}
private:
FontCollections();
std::set <FontCollection> _system_collections;
std::set <FontCollection> _user_collections;
std::set <Glib::ustring> _selected_collections;
void _read(const Glib::ustring&, bool is_system = false);
sigc::signal <void ()> update_signal;
sigc::signal <void ()> selection_update_signal;
};
} // Namespace Inkscape
#endif // INK_COLLECTIONS_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 :
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