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Diffstat (limited to '')
-rw-r--r-- | src/page-manager.h | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/src/page-manager.h b/src/page-manager.h new file mode 100644 index 0000000..46b96ed --- /dev/null +++ b/src/page-manager.h @@ -0,0 +1,164 @@ +// 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; } + std::vector<SPPage *> getPages(const std::string &pages, bool inverse) const; + std::vector<SPPage *> getPages(std::set<unsigned int> indexes, bool inverse = false) const; + + 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; + SPPage *getPageFor(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::Affine getSelectedPageAffine() 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(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 resizePage(SPPage *page, double width, double height); + void changeOrientation(); + void fitToSelection(ObjectSet *selection, bool add_margins = true); + void fitToRect(Geom::OptRect box, SPPage *page, bool add_margins = false); + + bool subset(SPAttr key, const gchar *value); + bool setDefaultAttributes(CanvasPage *item); + bool showDefaultLabel() const { return label_style == "below"; } + std::string getSizeLabel(SPPage *page = nullptr); + std::string getSizeLabel(double width, double height); + + 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 connectPageModified(const sigc::slot<void (SPPage *)> &slot) + { + return _page_modified_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; + guint32 margin_color = 0x1699d751; + guint32 bleed_color = 0xbe310e31; + + void movePages(Geom::Affine tr); + std::vector<SPItem *> getOverlappingItems(SPDesktop *desktop, SPPage *page, bool hidden = true, bool in_bleed = false, bool in_layers = true); + +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; + std::string label_style = "default"; + +private: + SPDocument *_document; + SPPage *_selected_page = nullptr; + std::vector<SPPage *> pages; + + sigc::signal<void (SPPage *)> _page_selected_signal; + sigc::signal<void (SPPage *)> _page_modified_signal; + sigc::signal<void ()> _pages_changed_signal; + + sigc::connection _page_modified_connection; +}; + +} // 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 : |