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// SPDX-License-Identifier: GPL-2.0-or-later
/** @file
* @brief Undo History dialog
*/
/* Author:
* Gustav Broberg <broberg@kth.se>
* Jon A. Cruz <jon@joncruz.org>
*
* Copyright (C) 2014 Authors
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#ifndef INKSCAPE_UI_DIALOG_UNDO_HISTORY_H
#define INKSCAPE_UI_DIALOG_UNDO_HISTORY_H
#include "ui/widget/panel.h"
#include <gtkmm/cellrendererpixbuf.h>
#include <gtkmm/scrolledwindow.h>
#include <gtkmm/treemodel.h>
#include <gtkmm/treeselection.h>
#include <glibmm/property.h>
#include <functional>
#include <sstream>
#include "event-log.h"
#include "ui/dialog/desktop-tracker.h"
class SPDesktop;
namespace Inkscape {
namespace UI {
namespace Dialog {
/* Custom cell renderers */
class CellRendererSPIcon : public Gtk::CellRendererPixbuf {
public:
CellRendererSPIcon() :
Glib::ObjectBase(typeid(CellRendererPixbuf)),
Gtk::CellRendererPixbuf(),
_property_icon(*this, "icon", Glib::RefPtr<Gdk::Pixbuf>(nullptr)),
_property_event_type(*this, "event_type", 0)
{ }
Glib::PropertyProxy<unsigned int>
property_event_type() { return _property_event_type.get_proxy(); }
protected:
void render_vfunc(const Cairo::RefPtr<Cairo::Context>& cr,
Gtk::Widget& widget,
const Gdk::Rectangle& background_area,
const Gdk::Rectangle& cell_area,
Gtk::CellRendererState flags) override;
private:
Glib::Property<Glib::RefPtr<Gdk::Pixbuf> > _property_icon;
Glib::Property<unsigned int> _property_event_type;
std::map<const unsigned int, Glib::RefPtr<Gdk::Pixbuf> > _icon_cache;
};
class CellRendererInt : public Gtk::CellRendererText {
public:
struct Filter : std::unary_function<int, bool> {
virtual ~Filter() = default;
virtual bool operator() (const int&) const =0;
};
CellRendererInt(const Filter& filter=no_filter) :
Glib::ObjectBase(typeid(CellRendererText)),
Gtk::CellRendererText(),
_property_number(*this, "number", 0),
_filter (filter)
{ }
Glib::PropertyProxy<int>
property_number() { return _property_number.get_proxy(); }
static const Filter& no_filter;
protected:
void render_vfunc(const Cairo::RefPtr<Cairo::Context>& cr,
Gtk::Widget& widget,
const Gdk::Rectangle& background_area,
const Gdk::Rectangle& cell_area,
Gtk::CellRendererState flags) override;
private:
Glib::Property<int> _property_number;
const Filter& _filter;
struct NoFilter : Filter { bool operator() (const int& /*x*/) const override { return true; } };
};
/**
* \brief Dialog for presenting document change history
*
* This dialog allows the user to undo and redo multiple events in a more convenient way
* than repateaded ctrl-z, ctrl-shift-z.
*/
class UndoHistory : public Widget::Panel {
public:
~UndoHistory() override;
static UndoHistory &getInstance();
void setDesktop(SPDesktop* desktop) override;
sigc::connection _document_replaced_connection;
protected:
SPDesktop *_desktop;
SPDocument *_document;
EventLog *_event_log;
const EventLog::EventModelColumns *_columns;
Gtk::ScrolledWindow _scrolled_window;
Glib::RefPtr<Gtk::TreeModel> _event_list_store;
Gtk::TreeView _event_list_view;
Glib::RefPtr<Gtk::TreeSelection> _event_list_selection;
DesktopTracker _deskTrack;
sigc::connection _desktopChangeConn;
EventLog::CallbackMap _callback_connections;
static void *_handleEventLogDestroyCB(void *data);
void _connectDocument(SPDesktop* desktop, SPDocument *document);
void _connectEventLog();
void _handleDocumentReplaced(SPDesktop* desktop, SPDocument *document);
void *_handleEventLogDestroy();
void _onListSelectionChange();
void _onExpandEvent(const Gtk::TreeModel::iterator &iter, const Gtk::TreeModel::Path &path);
void _onCollapseEvent(const Gtk::TreeModel::iterator &iter, const Gtk::TreeModel::Path &path);
private:
UndoHistory();
// no default constructor, noncopyable, nonassignable
UndoHistory(UndoHistory const &d) = delete;
UndoHistory operator=(UndoHistory const &d) = delete;
struct GreaterThan : CellRendererInt::Filter {
GreaterThan(int _i) : i (_i) {}
bool operator() (const int& x) const override { return x > i; }
int i;
};
static const CellRendererInt::Filter& greater_than_1;
};
} // namespace Dialog
} // namespace UI
} // namespace Inkscape
#endif //INKSCAPE_UI_DIALOG_UNDO_HISTORY_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:textwidth=99 :
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