1 /** @file
2 * @brief Undo History dialog
3 */
4 /* Author:
5 * Gustav Broberg <broberg@kth.se>
6 *
7 * Copyright (C) 2006 Authors
8 * Released under GNU GPL. Read the file 'COPYING' for more information.
9 */
11 #ifndef INKSCAPE_UI_DIALOG_UNDO_HISTORY_H
12 #define INKSCAPE_UI_DIALOG_UNDO_HISTORY_H
14 #include <glibmm/refptr.h>
15 #include <gtkmm/cellrendererpixbuf.h>
16 #include <gtkmm/image.h>
17 #include <gtkmm/invisible.h>
18 #include <gtkmm/scrolledwindow.h>
19 #include <gtkmm/stock.h>
20 #include <gtkmm/treemodel.h>
21 #include <gtkmm/treeselection.h>
23 #include <functional>
24 #include <sstream>
26 #include "desktop.h"
27 #include "event-log.h"
29 #include "ui/widget/panel.h"
30 #include "widgets/icon.h"
32 namespace Inkscape {
33 namespace UI {
34 namespace Dialog {
37 /* Custom cell renderers */
39 class CellRendererSPIcon : public Gtk::CellRendererPixbuf {
40 public:
42 CellRendererSPIcon() :
43 Glib::ObjectBase(typeid(CellRendererPixbuf)),
44 Gtk::CellRendererPixbuf(),
45 _property_icon(*this, "icon", Glib::RefPtr<Gdk::Pixbuf>(0)),
46 _property_event_type(*this, "event_type", 0)
47 { }
49 Glib::PropertyProxy<unsigned int>
50 property_event_type() { return _property_event_type.get_proxy(); }
52 protected:
54 virtual void
55 render_vfunc(const Glib::RefPtr<Gdk::Drawable>& window,
56 Gtk::Widget& widget,
57 const Gdk::Rectangle& background_area,
58 const Gdk::Rectangle& cell_area,
59 const Gdk::Rectangle& expose_area,
60 Gtk::CellRendererState flags);
61 private:
63 Glib::Property<Glib::RefPtr<Gdk::Pixbuf> > _property_icon;
64 Glib::Property<unsigned int> _property_event_type;
65 std::map<const unsigned int, Glib::RefPtr<Gdk::Pixbuf> > _icon_cache;
66 };
69 class CellRendererInt : public Gtk::CellRendererText {
70 public:
72 struct Filter : std::unary_function<int, bool> {
73 virtual ~Filter() {}
74 virtual bool operator() (const int&) const =0;
75 };
77 CellRendererInt(const Filter& filter=no_filter) :
78 Glib::ObjectBase(typeid(CellRendererText)),
79 Gtk::CellRendererText(),
80 _property_number(*this, "number", 0),
81 _filter (filter)
82 { }
85 Glib::PropertyProxy<int>
86 property_number() { return _property_number.get_proxy(); }
88 static const Filter& no_filter;
90 protected:
92 virtual void
93 render_vfunc(const Glib::RefPtr<Gdk::Drawable>& window,
94 Gtk::Widget& widget,
95 const Gdk::Rectangle& background_area,
96 const Gdk::Rectangle& cell_area,
97 const Gdk::Rectangle& expose_area,
98 Gtk::CellRendererState flags);
100 private:
102 Glib::Property<int> _property_number;
103 const Filter& _filter;
105 struct NoFilter : Filter { bool operator() (const int& /*x*/) const { return true; } };
106 };
108 /**
109 * \brief Dialog for presenting document change history
110 *
111 * This dialog allows the user to undo and redo multiple events in a more convenient way
112 * than repateaded ctrl-z, ctrl-shift-z.
113 */
114 class UndoHistory : public Widget::Panel {
115 public:
116 virtual ~UndoHistory();
118 static UndoHistory &getInstance();
119 void setDesktop(SPDesktop* desktop);
121 sigc::connection _document_replaced_connection;
123 protected:
125 SPDocument *_document;
126 EventLog *_event_log;
128 const EventLog::EventModelColumns *_columns;
130 Gtk::ScrolledWindow _scrolled_window;
132 Glib::RefPtr<Gtk::TreeModel> _event_list_store;
133 Gtk::TreeView _event_list_view;
134 Glib::RefPtr<Gtk::TreeSelection> _event_list_selection;
136 EventLog::CallbackMap _callback_connections;
138 void _onListSelectionChange();
139 void _onExpandEvent(const Gtk::TreeModel::iterator &iter, const Gtk::TreeModel::Path &path);
140 void _onCollapseEvent(const Gtk::TreeModel::iterator &iter, const Gtk::TreeModel::Path &path);
142 private:
143 UndoHistory();
145 // no default constructor, noncopyable, nonassignable
146 UndoHistory(UndoHistory const &d);
147 UndoHistory operator=(UndoHistory const &d);
149 struct GreaterThan : CellRendererInt::Filter {
150 GreaterThan(int _i) : i (_i) {}
151 bool operator() (const int& x) const { return x > i; }
152 int i;
153 };
155 static const CellRendererInt::Filter& greater_than_1;
156 };
158 } // namespace Dialog
159 } // namespace UI
160 } // namespace Inkscape
162 #endif //INKSCAPE_UI_DIALOG_UNDO_HISTORY_H
164 /*
165 Local Variables:
166 mode:c++
167 c-file-style:"stroustrup"
168 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
169 indent-tabs-mode:nil
170 fill-column:99
171 End:
172 */
173 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :