1 files changed, 144 insertions, 0 deletions
diff --git a/src/page-manager.h b/src/page-manager.h
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+++ b/src/page-manager.h
@@ -0,0 +1,144 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Inkscape::PageManager - Multi-Page management.
+ *
+ * Copyright 2021 Martin Owens <doctormo@geek-2.com>
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#ifndef SEEN_INKSCAPE_PAGE_MANAGER_H
+#define SEEN_INKSCAPE_PAGE_MANAGER_H
+
+#include <vector>
+
+#include "color-rgba.h"
+#include "document.h"
+#include "object/sp-namedview.h"
+#include "svg/svg-bool.h"
+
+class SPDesktop;
+class SPPage;
+
+namespace Inkscape {
+class Selection;
+class ObjectSet;
+class CanvasPage;
+namespace UI {
+namespace Dialog {
+class DocumentProperties;
+}
+} // namespace UI
+
+class PageManager
+{
+public:
+    PageManager(SPDocument *document);
+    ~PageManager();
+
+    static bool move_objects();
+    const std::vector<SPPage *> &getPages() const { return pages; }
+
+    void addPage(SPPage *page);
+    void removePage(Inkscape::XML::Node *child);
+    void reorderPage(Inkscape::XML::Node *child);
+
+    // Returns None if no page selected
+    SPPage *getSelected() const { return _selected_page; }
+    SPPage *getPage(int index) const;
+    SPPage *getPageAt(Geom::Point pos) const;
+    SPPage *getFirstPage() const { return getPage(0); }
+    SPPage *getLastPage() const { return getPage(pages.size() - 1); }
+    SPPage *getViewportPage() const;
+    std::vector<SPPage *> getPagesFor(SPItem *item, bool contains) const;
+    Geom::OptRect getDesktopRect() const;
+    bool hasPages() const { return !pages.empty(); }
+    int getPageCount() const { return pages.size(); }
+    int getPageIndex(const SPPage *page) const;
+    int getSelectedPageIndex() const;
+    Geom::Rect getSelectedPageRect() const;
+    Geom::Point nextPageLocation() const;
+
+    void enablePages();
+    void disablePages();
+    void pagesChanged();
+    bool selectPage(SPPage *page);
+    bool selectPage(SPItem *item, bool contains);
+    bool selectPage(int index) { return selectPage(getPage(index)); }
+    bool selectNextPage() { return selectPage(getSelectedPageIndex() + 1); }
+    bool selectPrevPage() { return selectPage(getSelectedPageIndex() - 1); }
+    bool hasNextPage() const { return getSelectedPageIndex() + 1 < pages.size(); }
+    bool hasPrevPage() const { return getSelectedPageIndex() - 1 >= 0; }
+
+    ColorRGBA getDefaultBackgroundColor() const { return ColorRGBA(background_color); }
+
+    void zoomToPage(SPDesktop *desktop, SPPage *page, bool width_only = false);
+    void zoomToSelectedPage(SPDesktop *desktop, bool width_only = false) { zoomToPage(desktop, _selected_page, width_only); };
+    void centerToPage(SPDesktop *desktop, SPPage *page);
+    void centerToSelectedPage(SPDesktop *desktop) { centerToPage(desktop, _selected_page); };
+
+    SPPage *newPage();
+    SPPage *newPage(SPPage *page);
+    SPPage *newPage(double width, double height);
+    SPPage *newPage(Geom::Rect rect, bool first_page = false);
+    SPPage *newDesktopPage(Geom::Rect rect, bool first_page = false);
+    SPPage *newDocumentPage(Geom::Rect rect, bool first_page = false);
+    void deletePage(SPPage *page, bool contents = false);
+    void deletePage(bool contents = false);
+    void resizePage(double width, double height);
+    void changeOrientation();
+    void fitToSelection(ObjectSet *selection);
+    void fitToRect(Geom::OptRect box, SPPage *page);
+
+    bool subset(SPAttr key, const gchar *value);
+    bool setDefaultAttributes(CanvasPage *item);
+
+    static void enablePages(SPDocument *document) { document->getPageManager().enablePages(); }
+    static void disablePages(SPDocument *document) { document->getPageManager().disablePages(); }
+    static SPPage *newPage(SPDocument *document) { return document->getPageManager().newPage(); }
+
+    sigc::connection connectPageSelected(const sigc::slot<void, SPPage *> &slot)
+    {
+        return _page_selected_signal.connect(slot);
+    }
+    sigc::connection connectPagesChanged(const sigc::slot<void> &slot) { return _pages_changed_signal.connect(slot); }
+
+    // Access from export.cpp and others for the guint32
+    guint32 background_color = 0xffffff00;
+
+    void movePages(Geom::Affine tr);
+    std::vector<SPItem *> getOverlappingItems(SPDesktop *desktop, SPPage *page);
+
+protected:
+    friend class Inkscape::UI::Dialog::DocumentProperties;
+
+    // Default settings from sp-namedview
+    SVGBool border_show;
+    SVGBool border_on_top;
+    SVGBool shadow_show;
+    SVGBool _checkerboard;
+
+    guint32 border_color = 0x0000003f;
+
+private:
+    SPDocument *_document;
+    SPPage *_selected_page = nullptr;
+    std::vector<SPPage *> pages;
+
+    sigc::signal<void, SPPage *> _page_selected_signal;
+    sigc::signal<void> _pages_changed_signal;
+};
+
+} // 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 :