1 files changed, 127 insertions, 0 deletions
diff --git a/src/ui/tools/measure-tool.h b/src/ui/tools/measure-tool.h
new file mode 100644
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+++ b/src/ui/tools/measure-tool.h
@@ -0,0 +1,127 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+#ifndef SEEN_SP_MEASURING_CONTEXT_H
+#define SEEN_SP_MEASURING_CONTEXT_H
+
+/*
+ * Our fine measuring tool
+ *
+ * Authors:
+ *   Felipe Correa da Silva Sanches <juca@members.fsf.org>
+ *   Jabiertxo Arraiza <jabier.arraiza@marker.es>
+ * Copyright (C) 2011 Authors
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include <cstddef>
+#include <boost/optional.hpp>
+#include <optional>
+
+#include <sigc++/sigc++.h>
+
+#include <2geom/point.h>
+
+#include "ui/tools/tool-base.h"
+
+#include "display/control/canvas-temporary-item.h"
+#include "display/control/canvas-item-enums.h"
+#include "display/control/canvas-item-ptr.h"
+
+class SPKnot;
+
+namespace Inkscape {
+
+class CanvasItemCurve;
+
+namespace UI {
+namespace Tools {
+
+class MeasureTool : public ToolBase {
+public:
+    MeasureTool(SPDesktop *desktop);
+    ~MeasureTool() override;
+
+    bool root_handler(GdkEvent* event) override;
+    virtual void showCanvasItems(bool to_guides = false, bool to_item = false, bool to_phantom = false, Inkscape::XML::Node *measure_repr = nullptr);
+    virtual void reverseKnots();
+    virtual void toGuides();
+    virtual void toPhantom();
+    virtual void toMarkDimension();
+    virtual void toItem();
+    virtual void reset();
+    virtual void setMarkers();
+    virtual void setMarker(bool isStart);
+    Geom::Point readMeasurePoint(bool is_start);
+
+    void showInfoBox(Geom::Point cursor, bool into_groups);
+    void showItemInfoText(Geom::Point pos, Glib::ustring const &measure_str, double fontsize);
+    void writeMeasurePoint(Geom::Point point, bool is_start);
+    void setGuide(Geom::Point origin, double angle, const char *label);
+    void setPoint(Geom::Point origin, Inkscape::XML::Node *measure_repr);
+    void setLine(Geom::Point start_point,Geom::Point end_point, bool markers, guint32 color,
+                 Inkscape::XML::Node *measure_repr = nullptr);
+    void setMeasureCanvasText(bool is_angle, double precision, double amount, double fontsize,
+                              Glib::ustring unit_name, Geom::Point position, guint32 background,
+                              bool to_left, bool to_item, bool to_phantom,
+                              Inkscape::XML::Node *measure_repr);
+    void setMeasureCanvasItem(Geom::Point position, bool to_item, bool to_phantom,
+                              Inkscape::XML::Node *measure_repr);
+    void setMeasureCanvasControlLine(Geom::Point start, Geom::Point end, bool to_item, bool to_phantom,
+                                     Inkscape::CanvasItemColor color, Inkscape::XML::Node *measure_repr);
+    void setLabelText(Glib::ustring const &value, Geom::Point pos, double fontsize, Geom::Coord angle,
+                      guint32 background,
+                      Inkscape::XML::Node *measure_repr = nullptr);
+
+    void knotStartMovedHandler(SPKnot */*knot*/, Geom::Point const &ppointer, guint state);
+    void knotEndMovedHandler(SPKnot */*knot*/, Geom::Point const &ppointer, guint state);
+    void knotClickHandler(SPKnot *knot, guint state);
+    void knotUngrabbedHandler(SPKnot */*knot*/,  unsigned int /*state*/);
+    void setMeasureItem(Geom::PathVector pathv, bool is_curve, bool markers, guint32 color, Inkscape::XML::Node *measure_repr);
+    void createAngleDisplayCurve(Geom::Point const &center, Geom::Point const &end, Geom::Point const &anchor,
+                                 double angle, bool to_phantom,
+                                 Inkscape::XML::Node *measure_repr = nullptr);
+
+private:
+    std::optional<Geom::Point> explicit_base;
+    std::optional<Geom::Point> last_end;
+    SPKnot *knot_start = nullptr;
+    SPKnot *knot_end   = nullptr;
+    gint dimension_offset = 20;
+    Geom::Point start_p;
+    Geom::Point end_p;
+    Geom::Point last_pos;
+
+    std::vector<CanvasItemPtr<CanvasItem>> measure_tmp_items;
+    std::vector<CanvasItemPtr<CanvasItem>> measure_phantom_items;
+    std::vector<CanvasItemPtr<CanvasItem>> measure_item;
+
+    double item_width;
+    double item_height;
+    double item_x;
+    double item_y;
+    double item_length;
+    SPItem *over;
+    sigc::connection _knot_start_moved_connection;
+    sigc::connection _knot_start_ungrabbed_connection;
+    sigc::connection _knot_start_click_connection;
+    sigc::connection _knot_end_moved_connection;
+    sigc::connection _knot_end_click_connection;
+    sigc::connection _knot_end_ungrabbed_connection;
+};
+
+}
+}
+}
+
+#endif // SEEN_SP_MEASURING_CONTEXT_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 :