Adding upstream version 1.2.2.upstream/1.2.2upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 165 insertions, 0 deletions

diff --git a/src/ui/dialog/undo-history.h b/src/ui/dialog/undo-history.h
new file mode 100644
index 0000000..0b69693
--- /dev/null
+++ b/src/ui/dialog/undo-history.h
@@ -0,0 +1,165 @@
+// 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 <functional>
+#include <glibmm/property.h>
+#include <gtkmm/cellrendererpixbuf.h>
+#include <gtkmm/scrolledwindow.h>
+#include <gtkmm/treemodel.h>
+#include <gtkmm/treeselection.h>
+#include <sstream>
+
+#include "event-log.h"
+#include "ui/dialog/dialog-base.h"
+
+
+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_icon_name(*this, "our-icon-name", "inkscape-logo") // icon-name/icon_name used by Gtk
+    { }
+
+    Glib::PropertyProxy<Glib::ustring>
+    property_icon_name() { return _property_icon_name.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<Glib::ustring> _property_icon_name;
+    std::map<Glib::ustring, 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 DialogBase
+{
+public:
+    ~UndoHistory() override;
+
+    static UndoHistory &getInstance();
+    void documentReplaced() override;
+
+protected:
+    EventLog *_event_log;
+
+    Gtk::ScrolledWindow _scrolled_window;
+
+    Glib::RefPtr<Gtk::TreeModel> _event_list_store;
+    Gtk::TreeView _event_list_view;
+    Glib::RefPtr<Gtk::TreeSelection> _event_list_selection;
+
+    EventLog::CallbackMap _callback_connections;
+
+    static void *_handleEventLogDestroyCB(void *data);
+
+    void disconnectEventLog();
+    void connectEventLog();
+
+    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 :