Adding upstream version 1.2.2.upstream/1.2.2upstream

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

1 files changed, 157 insertions, 0 deletions

diff --git a/src/ui/tool/multi-path-manipulator.h b/src/ui/tool/multi-path-manipulator.h
new file mode 100644
index 0000000..c00436c
--- /dev/null
+++ b/src/ui/tool/multi-path-manipulator.h
@@ -0,0 +1,157 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/** @file
+ * Multi path manipulator - a tool component that edits multiple paths at once
+ */
+/* Authors:
+ *   Krzysztof Kosiński <tweenk.pl@gmail.com>
+ *
+ * Copyright (C) 2009 Authors
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#ifndef SEEN_UI_TOOL_MULTI_PATH_MANIPULATOR_H
+#define SEEN_UI_TOOL_MULTI_PATH_MANIPULATOR_H
+
+#include <cstddef>
+#include <sigc++/connection.h>
+#include <2geom/path-sink.h>
+#include "node.h"
+#include "commit-events.h"
+#include "manipulator.h"
+#include "modifier-tracker.h"
+#include "node-types.h"
+#include "shape-record.h"
+
+struct SPCanvasGroup;
+
+namespace Inkscape {
+namespace UI {
+
+class PathManipulator;
+class MultiPathManipulator;
+struct PathSharedData;
+
+/**
+ * Manipulator that manages multiple path manipulators active at the same time.
+ */
+class MultiPathManipulator : public PointManipulator {
+public:
+    MultiPathManipulator(PathSharedData &data, sigc::connection &chg);
+    ~MultiPathManipulator() override;
+    bool event(Inkscape::UI::Tools::ToolBase *, GdkEvent *event) override;
+
+    bool empty() { return _mmap.empty(); }
+    unsigned size() { return _mmap.size(); }
+    void setItems(std::set<ShapeRecord> const &);
+    void clear() { _mmap.clear(); }
+    void cleanup();
+
+    void selectSubpaths();
+    void shiftSelection(int dir);
+    void invertSelectionInSubpaths();
+
+    void setNodeType(NodeType t);
+    void setSegmentType(SegmentType t);
+
+    void insertNodesAtExtrema(ExtremumType extremum);
+    void insertNodes();
+    void insertNode(Geom::Point pt);
+    void alertLPE();
+    void duplicateNodes();
+    void copySelectedPath(Geom::PathBuilder *builder);
+    void joinNodes();
+    void breakNodes();
+    void deleteNodes(bool keep_shape = true);
+    void joinSegments();
+    void deleteSegments();
+    void alignNodes(Geom::Dim2 d, AlignTargetNode target = AlignTargetNode::MID_NODE);
+    void distributeNodes(Geom::Dim2 d);
+    void reverseSubpaths();
+    void move(Geom::Point const &delta);
+
+    void showOutline(bool show);
+    void showHandles(bool show);
+    void showPathDirection(bool show);
+    void setLiveOutline(bool set);
+    void setLiveObjects(bool set);
+    void updateOutlineColors();
+    void updateHandles();
+    void updatePaths();
+    
+    sigc::signal<void> signal_coords_changed; /// Emitted whenever the coordinates
+        /// shown in the status bar need updating
+private:
+    typedef std::pair<ShapeRecord, std::shared_ptr<PathManipulator> > MapPair;
+    typedef std::map<ShapeRecord, std::shared_ptr<PathManipulator> > MapType;
+
+    template <typename R>
+    void invokeForAll(R (PathManipulator::*method)()) {
+        for (MapType::iterator i = _mmap.begin(); i != _mmap.end(); ) {
+            // Sometimes the PathManipulator got freed at loop end, thus
+            // invalidating the iterator so make sure that next_i will
+            // be a valid iterator and then assign i to it.
+            MapType::iterator next_i = i;
+            ++next_i;
+            // i->second is a std::shared_ptr so try to hold on to it so
+            // it won't get freed prematurely by the WriteXML() method or
+            // whatever. See https://bugs.launchpad.net/inkscape/+bug/1617615
+            // Applicable to empty paths.
+            std::shared_ptr<PathManipulator> hold(i->second);
+            ((hold.get())->*method)();
+            i = next_i;
+        }
+    }
+    template <typename R, typename A>
+    void invokeForAll(R (PathManipulator::*method)(A), A a) {
+        for (auto & i : _mmap) {
+            ((i.second.get())->*method)(a);
+        }
+    }
+    template <typename R, typename A>
+    void invokeForAll(R (PathManipulator::*method)(A const &), A const &a) {
+        for (auto & i : _mmap) {
+            ((i.second.get())->*method)(a);
+        }
+    }
+    template <typename R, typename A, typename B>
+    void invokeForAll(R (PathManipulator::*method)(A,B), A a, B b) {
+        for (auto & i : _mmap) {
+            ((i.second.get())->*method)(a, b);
+        }
+    }
+
+    void _commit(CommitEvent cps);
+    void _done(gchar const *reason, bool alert_LPE = true);
+    void _doneWithCleanup(gchar const *reason, bool alert_LPE = false);
+    guint32 _getOutlineColor(ShapeRole role, SPObject *object);
+
+    MapType _mmap;
+public:
+    PathSharedData const &_path_data;
+private:
+    sigc::connection &_changed;
+    ModifierTracker _tracker;
+    bool _show_handles;
+    bool _show_outline;
+    bool _show_path_direction;
+    bool _live_outline;
+    bool _live_objects;
+
+    friend class PathManipulator;
+};
+
+} // namespace UI
+} // namespace Inkscape
+
+#endif
+
+/*
+  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 :