moving trunk for module inkscape

(bzr r1)

1 files changed, 218 insertions, 0 deletions

diff --git a/src/document.h b/src/document.h
new file mode 100644
index 000000000..da8b656ef
--- /dev/null
+++ b/src/document.h
@@ -0,0 +1,218 @@
+#ifndef __SP_DOCUMENT_H__
+#define __SP_DOCUMENT_H__
+
+/** \file
+ * SPDocument: Typed SVG document implementation
+ *
+ * Authors:
+ *   Lauris Kaplinski <lauris@kaplinski.com>
+ *   MenTaLguY <mental@rydia.net>
+ *
+ * Copyright (C) 2004-2005 MenTaLguY
+ * Copyright (C) 1999-2002 Lauris Kaplinski
+ * Copyright (C) 2000-2001 Ximian, Inc.
+ *
+ * Released under GNU GPL, read the file 'COPYING' for more information
+ */
+
+#include <glib-object.h>
+#include <gtk/gtksignal.h>
+#include <sigc++/sigc++.h>
+#include <sigc++/class_slot.h>
+
+#include "libcroco/cr-cascade.h"
+#include "libnr/nr-forward.h"
+
+#include "gc-managed.h"
+#include "gc-finalized.h"
+#include "gc-anchored.h"
+
+struct SPDesktop;
+struct SPItem;
+struct SPObject;
+struct SPGroup;
+
+namespace Inkscape {
+    struct Application;
+    class Selection; 
+    class UndoStackObserver;
+    namespace XML {
+        class Document;
+        class Node;
+    }
+}
+
+class SPDocumentPrivate;
+
+/// Typed SVG document implementation.
+struct SPDocument : public Inkscape::GC::Managed<>,
+                    public Inkscape::GC::Finalized,
+		    public Inkscape::GC::Anchored
+{
+	typedef sigc::signal<void, SPObject *> IDChangedSignal;
+	typedef sigc::signal<void> ResourcesChangedSignal;
+	typedef sigc::signal<void, guint> ModifiedSignal;
+	typedef sigc::signal<void, gchar const *> URISetSignal;
+	typedef sigc::signal<void, double, double> ResizedSignal;
+	typedef sigc::signal<void> ReconstructionStart;
+	typedef sigc::signal<void> ReconstructionFinish;
+
+	SPDocument();
+	~SPDocument();
+
+	unsigned int keepalive : 1;
+	unsigned int virgin    : 1; ///< Has the document never been touched?
+
+	Inkscape::XML::Document *rdoc; ///< Our Inkscape::XML::Document
+	Inkscape::XML::Node *rroot; ///< Root element of Inkscape::XML::Document
+	SPObject *root;             ///< Our SPRoot
+	CRCascade *style_cascade;
+
+	gchar *uri; ///< URI string or NULL
+	gchar *base;
+	gchar *name;
+
+	SPDocumentPrivate *priv;
+
+	/// Last action key
+	const gchar *actionkey;
+	/// Handler ID
+	guint modified_id;
+
+	sigc::connection connectModified(ModifiedSignal::slot_type slot);
+	sigc::connection connectURISet(URISetSignal::slot_type slot);
+	sigc::connection connectResized(ResizedSignal::slot_type slot);
+
+	void bindObjectToId(gchar const *id, SPObject *object);
+	SPObject *getObjectById(gchar const *id);
+	sigc::connection connectIdChanged(const gchar *id, IDChangedSignal::slot_type slot);
+
+	void bindObjectToRepr(Inkscape::XML::Node *repr, SPObject *object);
+	SPObject *getObjectByRepr(Inkscape::XML::Node *repr);
+
+	void queueForOrphanCollection(SPObject *object);
+	void collectOrphans();
+
+	void _emitModified();
+
+	GSList *_collection_queue;
+
+	void addUndoObserver(Inkscape::UndoStackObserver& observer);
+	void removeUndoObserver(Inkscape::UndoStackObserver& observer);
+
+private:
+	SPDocument(SPDocument const &); // no copy
+	void operator=(SPDocument const &); // no assign
+
+public:
+	sigc::connection connectReconstructionStart(ReconstructionStart::slot_type slot);
+	sigc::connection connectReconstructionFinish (ReconstructionFinish::slot_type  slot);
+	void emitReconstructionStart (void);
+	void emitReconstructionFinish  (void);
+
+        void reset_key (void *dummy);
+        sigc::connection _selection_changed_connection;
+        sigc::connection _desktop_activated_connection;
+};
+
+SPDocument *sp_document_new (const gchar *uri, unsigned int keepalive, bool make_new = false);
+SPDocument *sp_document_new_from_mem (const gchar *buffer, gint length, unsigned int keepalive);
+SPDocument *sp_document_new_dummy(); 
+
+SPDocument *sp_document_ref (SPDocument *doc);
+SPDocument *sp_document_unref (SPDocument *doc);
+
+/*
+ * Access methods
+ */
+
+#define sp_document_repr_doc(d) (d->rdoc)
+#define sp_document_repr_root(d) (d->rroot)
+#define sp_document_root(d) (d->root)
+#define SP_DOCUMENT_ROOT(d)  (d->root)
+
+gdouble sp_document_width (SPDocument * document);
+gdouble sp_document_height (SPDocument * document);
+
+struct SPUnit;
+
+void sp_document_set_width (SPDocument * document, gdouble width, const SPUnit *unit);
+void sp_document_set_height (SPDocument * document, gdouble height, const SPUnit *unit);
+
+#define SP_DOCUMENT_URI(d) (d->uri)
+#define SP_DOCUMENT_NAME(d) (d->name)
+#define SP_DOCUMENT_BASE(d) (d->base)
+
+/*
+ * Dictionary
+ */
+
+/*
+ * Undo & redo
+ */
+
+void sp_document_set_undo_sensitive (SPDocument * document, gboolean sensitive);
+gboolean sp_document_get_undo_sensitive (SPDocument const * document);
+
+void sp_document_clear_undo (SPDocument * document);
+void sp_document_clear_redo (SPDocument * document);
+
+void sp_document_child_added (SPDocument *doc, SPObject *object, Inkscape::XML::Node *child, Inkscape::XML::Node *ref);
+void sp_document_child_removed (SPDocument *doc, SPObject *object, Inkscape::XML::Node *child, Inkscape::XML::Node *ref);
+void sp_document_attr_changed (SPDocument *doc, SPObject *object, const gchar *key, const gchar *oldval, const gchar *newval);
+void sp_document_content_changed (SPDocument *doc, SPObject *object, const gchar *oldcontent, const gchar *newcontent);
+void sp_document_order_changed (SPDocument *doc, SPObject *object, Inkscape::XML::Node *child, Inkscape::XML::Node *oldref, Inkscape::XML::Node *newref);
+
+/* Object modification root handler */
+void sp_document_request_modified (SPDocument *doc);
+gint sp_document_ensure_up_to_date (SPDocument *doc);
+
+/* Save all previous actions to stack, as one undo step */
+void sp_document_done (SPDocument *document);
+void sp_document_maybe_done (SPDocument *document, const gchar *key);
+void sp_document_reset_key (Inkscape::Application *inkscape, SPDesktop *desktop, GtkObject *base);
+
+/* Cancel (and revert) current unsaved actions */
+void sp_document_cancel (SPDocument *document);
+
+/* Undo and redo */
+gboolean sp_document_undo (SPDocument * document);
+gboolean sp_document_redo (SPDocument * document);
+
+/* Resource management */
+gboolean sp_document_add_resource (SPDocument *document, const gchar *key, SPObject *object);
+gboolean sp_document_remove_resource (SPDocument *document, const gchar *key, SPObject *object);
+const GSList *sp_document_get_resource_list (SPDocument *document, const gchar *key);
+sigc::connection sp_document_resources_changed_connect(SPDocument *document, const gchar *key, SPDocument::ResourcesChangedSignal::slot_type slot);
+
+
+/*
+ * Ideas: How to overcome style invalidation nightmare
+ *
+ * 1. There is reference request dictionary, that contains
+ * objects (styles) needing certain id. Object::build checks
+ * final id against it, and invokes necesary methods
+ *
+ * 2. Removing referenced object is simply prohibited -
+ * needs analyse, how we can deal with situations, where
+ * we simply want to ungroup etc. - probably we need
+ * Repr::reparent method :( [Or was it ;)]
+ *
+ */
+
+/*
+ * Misc
+ */
+
+GSList * sp_document_items_in_box(SPDocument *document, unsigned int dkey, NR::Rect const &box);
+GSList * sp_document_partial_items_in_box(SPDocument *document, unsigned int dkey, NR::Rect const &box);
+SPItem* sp_document_item_from_list_at_point_bottom (unsigned int dkey, SPGroup *group, const GSList *list, NR::Point const p, bool take_insensitive = false);
+SPItem * sp_document_item_at_point (SPDocument *document, unsigned int key, NR::Point const p, gboolean into_groups, SPItem *upto = NULL);
+SPItem * sp_document_group_at_point (SPDocument *document, unsigned int key,  NR::Point const p);
+
+void sp_document_set_uri (SPDocument *document, const gchar *uri);
+void sp_document_resized_signal_emit (SPDocument *doc, gdouble width, gdouble height);
+
+unsigned int vacuum_document (SPDocument *document);
+
+#endif