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diff --git a/src/ui/tools/lpe-tool.h b/src/ui/tools/lpe-tool.h
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+// SPDX-License-Identifier: GPL-2.0-or-later
+#ifndef SP_LPETOOL_CONTEXT_H_SEEN
+#define SP_LPETOOL_CONTEXT_H_SEEN
+
+/*
+ * LPEToolContext: a context for a generic tool composed of subtools that are given by LPEs
+ *
+ * Authors:
+ * Maximilian Albert <maximilian.albert@gmail.com>
+ *
+ * Copyright (C) 1998 The Free Software Foundation
+ * Copyright (C) 1999-2002 authors
+ * Copyright (C) 2001-2002 Ximian, Inc.
+ * Copyright (C) 2008 Maximilian Albert
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include "ui/tools/pen-tool.h"
+
+#define SP_LPETOOL_CONTEXT(obj) (dynamic_cast<Inkscape::UI::Tools::LpeTool*>((Inkscape::UI::Tools::ToolBase*)obj))
+#define SP_IS_LPETOOL_CONTEXT(obj) (dynamic_cast<const Inkscape::UI::Tools::LpeTool*>((const Inkscape::UI::Tools::ToolBase*)obj) != NULL)
+
+/* This is the list of subtools from which the toolbar of the LPETool is built automatically */
+extern const int num_subtools;
+
+struct SubtoolEntry {
+ Inkscape::LivePathEffect::EffectType type;
+ gchar const *icon_name;
+};
+
+extern SubtoolEntry lpesubtools[];
+
+enum LPEToolState {
+ LPETOOL_STATE_PEN,
+ LPETOOL_STATE_NODE
+};
+
+namespace Inkscape {
+class Selection;
+}
+
+class ShapeEditor;
+
+namespace Inkscape {
+namespace UI {
+namespace Tools {
+
+class LpeTool : public PenTool {
+public:
+ LpeTool();
+ ~LpeTool() override;
+
+ ShapeEditor* shape_editor;
+ SPCanvasItem *canvas_bbox;
+ Inkscape::LivePathEffect::EffectType mode;
+
+ std::map<SPPath *, SPCanvasItem*> *measuring_items;
+
+ sigc::connection sel_changed_connection;
+ sigc::connection sel_modified_connection;
+
+ static const std::string prefsPath;
+
+ const std::string& getPrefsPath() override;
+
+protected:
+ void setup() override;
+ void set(const Inkscape::Preferences::Entry& val) override;
+ bool root_handler(GdkEvent* event) override;
+ bool item_handler(SPItem* item, GdkEvent* event) override;
+};
+
+int lpetool_mode_to_index(Inkscape::LivePathEffect::EffectType const type);
+int lpetool_item_has_construction(LpeTool *lc, SPItem *item);
+bool lpetool_try_construction(LpeTool *lc, Inkscape::LivePathEffect::EffectType const type);
+void lpetool_context_switch_mode(LpeTool *lc, Inkscape::LivePathEffect::EffectType const type);
+void lpetool_get_limiting_bbox_corners(SPDocument *document, Geom::Point &A, Geom::Point &B);
+void lpetool_context_reset_limiting_bbox(LpeTool *lc);
+void lpetool_create_measuring_items(LpeTool *lc, Inkscape::Selection *selection = nullptr);
+void lpetool_delete_measuring_items(LpeTool *lc);
+void lpetool_update_measuring_items(LpeTool *lc);
+void lpetool_show_measuring_info(LpeTool *lc, bool show = true);
+
+}
+}
+}
+
+#endif // SP_LPETOOL_CONTEXT_H_SEEN
+
+/*
+ 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 :