1 files changed, 99 insertions, 0 deletions
diff --git a/src/ui/tools/pages-tool.h b/src/ui/tools/pages-tool.h
new file mode 100644
index 0000000..30887b1
--- /dev/null
+++ b/src/ui/tools/pages-tool.h
@@ -0,0 +1,99 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+#ifndef __UI_TOOLS_PAGES_CONTEXT_H__
+#define __UI_TOOLS_PAGES_CONTEXT_H__
+
+/*
+ * Page editing tool
+ *
+ * Authors:
+ *   Martin Owens <doctormo@geek-2.com>
+ *
+ * Copyright (C) 2021 Authors
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include "ui/tools/tool-base.h"
+#include "2geom/rect.h"
+#include "display/control/canvas-item-ptr.h"
+
+#define SP_PAGES_CONTEXT(obj) (dynamic_cast<Inkscape::UI::Tools::PagesTool *>((Inkscape::UI::Tools::ToolBase *)obj))
+#define SP_IS_PAGES_CONTEXT(obj) \
+    (dynamic_cast<const Inkscape::UI::Tools::PagesTool *>((const Inkscape::UI::Tools::ToolBase *)obj) != NULL)
+
+class SPDocument;
+class SPObject;
+class SPPage;
+class SPKnot;
+class SnapManager;
+
+namespace Inkscape {
+class SnapCandidatePoint;
+class CanvasItemGroup;
+class CanvasItemRect;
+class CanvasItemBpath;
+
+namespace UI {
+namespace Tools {
+
+class PagesTool : public ToolBase
+{
+public:
+    PagesTool(SPDesktop *desktop);
+    ~PagesTool() override;
+
+    bool root_handler(GdkEvent *event) override;
+    void menu_popup(GdkEvent *event, SPObject *obj = nullptr) override;
+private:
+    void selectionChanged(SPDocument *doc, SPPage *page);
+    void connectDocument(SPDocument *doc);
+    SPPage *pageUnder(Geom::Point pt, bool retain_selected = true);
+    bool viewboxUnder(Geom::Point pt);
+    void addDragShapes(SPPage *page, Geom::Affine tr);
+    void addDragShape(SPItem *item, Geom::Affine tr);
+    void addDragShape(Geom::PathVector &&pth, Geom::Affine tr);
+    void clearDragShapes();
+
+    Geom::Point getSnappedResizePoint(Geom::Point point, guint state, Geom::Point origin, SPObject *target = nullptr);
+    void resizeKnotSet(Geom::Rect rect);
+    void resizeKnotMoved(SPKnot *knot, Geom::Point const &ppointer, guint state);
+    void resizeKnotFinished(SPKnot *knot, guint state);
+    void pageModified(SPObject *object, guint flags);
+
+    void marginKnotSet(Geom::Rect margin_rect);
+    bool marginKnotMoved(SPKnot *knot, Geom::Point *point, guint state);
+    void marginKnotFinished(SPKnot *knot, guint state);
+
+    void grabPage(SPPage *target);
+    Geom::Affine moveTo(Geom::Point xy, bool snap);
+
+    sigc::connection _selector_changed_connection;
+    sigc::connection _page_modified_connection;
+    sigc::connection _doc_replaced_connection;
+    sigc::connection _zoom_connection;
+
+    bool dragging_viewbox = false;
+    bool mouse_is_pressed = false;
+    Geom::Point drag_origin_w;
+    Geom::Point drag_origin_dt;
+    int drag_tolerance = 5;
+
+    std::vector<SPKnot *> resize_knots;
+    std::vector<SPKnot *> margin_knots;
+    SPKnot *grabbed_knot = nullptr;
+    SPPage *highlight_item = nullptr;
+    SPPage *dragging_item = nullptr;
+    std::optional<Geom::Rect> on_screen_rect; ///< On-screen rectangle, in desktop coordinates.
+    CanvasItemPtr<CanvasItemRect> visual_box;
+    CanvasItemPtr<CanvasItemGroup> drag_group;
+    std::vector<Inkscape::CanvasItemBpath *> drag_shapes;
+    std::vector<Inkscape::SnapCandidatePoint> _bbox_points;
+
+    static Geom::Point middleOfSide(int side, const Geom::Rect &rect);
+};
+
+} // namespace Tools
+} // namespace UI
+} // namespace Inkscape
+
+#endif