252N/A

252N/A#include "ui/clipboard.h"

252N/A

252N/A

252N/A#include <list>

252N/A#include <algorithm>

252N/A#include <gtkmm/clipboard.h>

252N/A#include <glibmm/ustring.h>

252N/A#include <glibmm/i18n.h>

252N/A#include <glib/gstdio.h> // for g_file_set_contents etc., used in _onGet and paste

252N/A#include "gc-core.h"

252N/A#include "xml/repr.h"

252N/A#include "inkscape.h"

252N/A#include "io/stringstream.h"

252N/A#include "desktop.h"

252N/A#include "desktop-handles.h"

252N/A#include "desktop-style.h" // for sp_desktop_set_style, used in _pasteStyle

252N/A#include "document.h"

252N/A#include "document-private.h"

252N/A#include "selection.h"

252N/A#include "message-stack.h"

252N/A#include "context-fns.h"

252N/A#include "dropper-context.h" // used in copy()

252N/A#include "style.h"

252N/A#include "extension/db.h" // extension database

252N/A#include "extension/input.h"

252N/A#include "extension/output.h"

252N/A#include "selection-chemistry.h"

252N/A#include "libnr/nr-rect.h"

252N/A#include "libnr/nr-convert2geom.h"

252N/A#include <2geom/rect.h>

252N/A#include <2geom/transforms.h>

#include "box3d.h"

#include "gradient-drag.h"

#include "sp-item.h"

#include "sp-item-transform.h" // for sp_item_scale_rel, used in _pasteSize

#include "sp-path.h"

#include "sp-pattern.h"

#include "sp-shape.h"

#include "sp-gradient.h"

#include "sp-gradient-reference.h"

#include "sp-gradient-fns.h"

#include "sp-linear-gradient-fns.h"

#include "sp-radial-gradient-fns.h"

#include "sp-clippath.h"

#include "sp-mask.h"

#include "sp-textpath.h"

#include "sp-rect.h"

#include "live_effects/lpeobject.h"

#include "live_effects/lpeobject-reference.h"

#include "live_effects/parameter/path.h"

#include "svg/svg.h" // for sp_svg_transform_write, used in _copySelection

#include "svg/css-ostringstream.h" // used in _parseColor

#include "file.h" // for file_import, used in _pasteImage

#include "text-context.h"

#include "text-editing.h"

#include "tools-switch.h"

#include "path-chemistry.h"

#include "id-clash.h"

#include "unit-constants.h"

#include "helper/png-write.h"

#include "svg/svg-color.h"

#include "sp-namedview.h"

#include "snap.h"

#define CLIPBOARD_GDK_PIXBUF_TARGET "image/x-gdk-pixbuf"

#define CLIPBOARD_TEXT_TARGET "text/plain"

#ifdef WIN32

#include <windows.h>

#define CLIPBOARD_WIN32_EMF_TARGET "CF_ENHMETAFILE"

#define CLIPBOARD_WIN32_EMF_MIME "image/x-emf"

#endif

namespace Inkscape {

namespace UI {

class ClipboardManagerImpl : public ClipboardManager {

public:

virtual void copy(SPDesktop *desktop);

virtual void copyPathParameter(Inkscape::LivePathEffect::PathParam *);

virtual bool paste(SPDesktop *desktop, bool in_place);

virtual bool pasteStyle(SPDesktop *desktop);

virtual bool pasteSize(SPDesktop *desktop, bool separately, bool apply_x, bool apply_y);

virtual bool pastePathEffect(SPDesktop *desktop);

virtual Glib::ustring getPathParameter(SPDesktop* desktop);

virtual Glib::ustring getShapeOrTextObjectId(SPDesktop *desktop);

virtual const gchar *getFirstObjectID();

ClipboardManagerImpl();

~ClipboardManagerImpl();

private:

void _copySelection(Inkscape::Selection *);

void _copyUsedDefs(SPItem *);

void _copyGradient(SPGradient *);

void _copyPattern(SPPattern *);

void _copyTextPath(SPTextPath *);

Inkscape::XML::Node *_copyNode(Inkscape::XML::Node *, Inkscape::XML::Document *, Inkscape::XML::Node *);

void _pasteDocument(SPDesktop *desktop, SPDocument *clipdoc, bool in_place);

void _pasteDefs(SPDesktop *desktop, SPDocument *clipdoc);

bool _pasteImage(SPDocument *doc);

bool _pasteText(SPDesktop *desktop);

SPCSSAttr *_parseColor(const Glib::ustring &);

void _applyPathEffect(SPItem *, gchar const *);

SPDocument *_retrieveClipboard(Glib::ustring = "");

// clipboard callbacks

void _onGet(Gtk::SelectionData &, guint);

void _onClear();

// various helpers

void _createInternalClipboard();

void _discardInternalClipboard();

Inkscape::XML::Node *_createClipNode();

Geom::Scale _getScale(SPDesktop *desktop, Geom::Point const &min, Geom::Point const &max, Geom::Rect const &obj_rect, bool apply_x, bool apply_y);

Glib::ustring _getBestTarget();

void _setClipboardTargets();

void _setClipboardColor(guint32);

void _userWarn(SPDesktop *, char const *);

void _inkscape_wait_for_targets(std::list<Glib::ustring> &);

// private properites

SPDocument *_clipboardSPDoc; ///< Document that stores the clipboard until someone requests it

Inkscape::XML::Node *_defs; ///< Reference to the clipboard document's defs node

Inkscape::XML::Node *_root; ///< Reference to the clipboard's root node

Inkscape::XML::Node *_clipnode; ///< The node that holds extra information

Inkscape::XML::Document *_doc; ///< Reference to the clipboard's Inkscape::XML::Document

// we need a way to copy plain text AND remember its style;

// the standard _clipnode is only available in an SVG tree, hence this special storage

SPCSSAttr *_text_style; ///< Style copied along with plain text fragment

Glib::RefPtr<Gtk::Clipboard> _clipboard; ///< Handle to the system wide clipboard - for convenience

std::list<Glib::ustring> _preferred_targets; ///< List of supported clipboard targets

};

ClipboardManagerImpl::ClipboardManagerImpl()

: _clipboardSPDoc(NULL),

_defs(NULL),

_root(NULL),

_clipnode(NULL),

_doc(NULL),

_text_style(NULL),

_clipboard( Gtk::Clipboard::get() )

{

// push supported clipboard targets, in order of preference

_preferred_targets.push_back("image/x-inkscape-svg");

_preferred_targets.push_back("image/svg+xml");

_preferred_targets.push_back("image/svg+xml-compressed");

#ifdef WIN32

_preferred_targets.push_back(CLIPBOARD_WIN32_EMF_MIME);

#endif

_preferred_targets.push_back("application/pdf");

_preferred_targets.push_back("image/x-adobe-illustrator");

}

ClipboardManagerImpl::~ClipboardManagerImpl() {}

void ClipboardManagerImpl::copy(SPDesktop *desktop)

{

if ( desktop == NULL ) {

return;

}

Inkscape::Selection *selection = sp_desktop_selection(desktop);

// Special case for when the gradient dragger is active - copies gradient color

if (desktop->event_context->get_drag()) {

GrDrag *drag = desktop->event_context->get_drag();

if (drag->hasSelection()) {

guint32 col = drag->getColor();

// set the color as clipboard content (text in RRGGBBAA format)

_setClipboardColor(col);

// create a style with this color on fill and opacity in master opacity, so it can be

// pasted on other stops or objects

if (_text_style) {

sp_repr_css_attr_unref(_text_style);

_text_style = NULL;

}

_text_style = sp_repr_css_attr_new();

// print and set properties

gchar color_str[16];

g_snprintf(color_str, 16, "#%06x", col >> 8);

sp_repr_css_set_property(_text_style, "fill", color_str);

float opacity = SP_RGBA32_A_F(col);

if (opacity > 1.0) {

opacity = 1.0; // safeguard

}

Inkscape::CSSOStringStream opcss;

opcss << opacity;

sp_repr_css_set_property(_text_style, "opacity", opcss.str().data());

_discardInternalClipboard();

return;

}

}

// Special case for when the color picker ("dropper") is active - copies color under cursor

if (tools_isactive(desktop, TOOLS_DROPPER)) {

_setClipboardColor(sp_dropper_context_get_color(desktop->event_context));

_discardInternalClipboard();

return;

}

// Special case for when the text tool is active - if some text is selected, copy plain text,

// not the object that holds it; also copy the style at cursor into

if (tools_isactive(desktop, TOOLS_TEXT)) {

_discardInternalClipboard();

Glib::ustring selected_text = sp_text_get_selected_text(desktop->event_context);

if (!selected_text.empty()) {

_clipboard->set_text(selected_text);

}

if (_text_style) {

sp_repr_css_attr_unref(_text_style);

_text_style = NULL;

}

_text_style = sp_text_get_style_at_cursor(desktop->event_context);

return;

}

if (selection->isEmpty()) { // check whether something is selected

_userWarn(desktop, _("Nothing was copied."));

return;

}

_discardInternalClipboard();

_createInternalClipboard(); // construct a new clipboard document

_copySelection(selection); // copy all items in the selection to the internal clipboard

fit_canvas_to_drawing(_clipboardSPDoc);

_setClipboardTargets();

}

void ClipboardManagerImpl::copyPathParameter(Inkscape::LivePathEffect::PathParam *pp)

{

if ( pp == NULL ) {

return;

}

gchar *svgd = sp_svg_write_path( pp->get_pathvector() );

if ( svgd == NULL || *svgd == '\0' ) {

return;

}

_discardInternalClipboard();

_createInternalClipboard();

Inkscape::XML::Node *pathnode = _doc->createElement("svg:path");

pathnode->setAttribute("d", svgd);

g_free(svgd);

_root->appendChild(pathnode);

Inkscape::GC::release(pathnode);

fit_canvas_to_drawing(_clipboardSPDoc);

_setClipboardTargets();

}

bool ClipboardManagerImpl::paste(SPDesktop *desktop, bool in_place)

{

// do any checking whether we really are able to paste before requesting the contents

if ( desktop == NULL ) {

return false;

}

if ( Inkscape::have_viable_layer(desktop, desktop->messageStack()) == false ) {

return false;

}

Glib::ustring target = _getBestTarget();

// Special cases of clipboard content handling go here

// Note that target priority is determined in _getBestTarget.

// TODO: Handle x-special/gnome-copied-files and text/uri-list to support pasting files

// if there is an image on the clipboard, paste it

if ( target == CLIPBOARD_GDK_PIXBUF_TARGET ) {

return _pasteImage(desktop->doc());

}

// if there's only text, paste it into a selected text object or create a new one

if ( target == CLIPBOARD_TEXT_TARGET ) {

return _pasteText(desktop);

}

// otherwise, use the import extensions

SPDocument *tempdoc = _retrieveClipboard(target);

if ( tempdoc == NULL ) {

_userWarn(desktop, _("Nothing on the clipboard."));

return false;

}

_pasteDocument(desktop, tempdoc, in_place);

sp_document_unref(tempdoc);

return true;

}

const gchar *ClipboardManagerImpl::getFirstObjectID()

{

SPDocument *tempdoc = _retrieveClipboard("image/x-inkscape-svg");

if ( tempdoc == NULL ) {

return NULL;

}

Inkscape::XML::Node

*root = sp_document_repr_root(tempdoc);

if (!root) {

return NULL;

}

Inkscape::XML::Node *ch = sp_repr_children(root);

while (ch != NULL &&

strcmp(ch->name(), "svg:g") &&

strcmp(ch->name(), "svg:path") &&

strcmp(ch->name(), "svg:use") &&

strcmp(ch->name(), "svg:text") &&

strcmp(ch->name(), "svg:image") &&

strcmp(ch->name(), "svg:rect")

) {

ch = ch->next();

}

if (ch) {

return ch->attribute("id");

}

return NULL;

}

bool ClipboardManagerImpl::pasteStyle(SPDesktop *desktop)

{

if (desktop == NULL) {

return false;

}

// check whether something is selected

Inkscape::Selection *selection = sp_desktop_selection(desktop);

if (selection->isEmpty()) {

_userWarn(desktop, _("Select <b>object(s)</b> to paste style to."));

return false;

}

SPDocument *tempdoc = _retrieveClipboard("image/x-inkscape-svg");

if ( tempdoc == NULL ) {

// no document, but we can try _text_style

if (_text_style) {

sp_desktop_set_style(desktop, _text_style);

return true;

} else {

_userWarn(desktop, _("No style on the clipboard."));

return false;

}

}

Inkscape::XML::Node

*root = sp_document_repr_root(tempdoc),

*clipnode = sp_repr_lookup_name(root, "inkscape:clipboard", 1);

bool pasted = false;

if (clipnode) {

_pasteDefs(desktop, tempdoc);

SPCSSAttr *style = sp_repr_css_attr(clipnode, "style");

sp_desktop_set_style(desktop, style);

pasted = true;

}

else {

_userWarn(desktop, _("No style on the clipboard."));

}

sp_document_unref(tempdoc);

return pasted;

}

bool ClipboardManagerImpl::pasteSize(SPDesktop *desktop, bool separately, bool apply_x, bool apply_y)

{

if (!apply_x && !apply_y) {

return false; // pointless parameters

}

if ( desktop == NULL ) {

return false;

}

Inkscape::Selection *selection = sp_desktop_selection(desktop);

if (selection->isEmpty()) {

_userWarn(desktop, _("Select <b>object(s)</b> to paste size to."));

return false;

}

// FIXME: actually, this should accept arbitrary documents

SPDocument *tempdoc = _retrieveClipboard("image/x-inkscape-svg");

if ( tempdoc == NULL ) {

_userWarn(desktop, _("No size on the clipboard."));

return false;

}

// retrieve size ifomration from the clipboard

Inkscape::XML::Node *root = sp_document_repr_root(tempdoc);

Inkscape::XML::Node *clipnode = sp_repr_lookup_name(root, "inkscape:clipboard", 1);

bool pasted = false;

if (clipnode) {

Geom::Point min, max;

sp_repr_get_point(clipnode, "min", &min);

sp_repr_get_point(clipnode, "max", &max);

// resize each object in the selection

if (separately) {

for (GSList *i = const_cast<GSList*>(selection->itemList()) ; i ; i = i->next) {

SPItem *item = SP_ITEM(i->data);

Geom::OptRect obj_size = sp_item_bbox_desktop(item);

if ( !obj_size ) {

continue;

}

sp_item_scale_rel(item, _getScale(desktop, min, max, *obj_size, apply_x, apply_y));

}

}

// resize the selection as a whole

else {

Geom::OptRect sel_size = selection->bounds();

if ( sel_size ) {

sp_selection_scale_relative(selection, sel_size->midpoint(),

_getScale(desktop, min, max, *sel_size, apply_x, apply_y));

}

}

pasted = true;

}

sp_document_unref(tempdoc);

return pasted;

}

bool ClipboardManagerImpl::pastePathEffect(SPDesktop *desktop)

{

/** @todo FIXME: pastePathEffect crashes when moving the path with the applied effect,

if ( desktop == NULL ) {

return false;

}

Inkscape::Selection *selection = sp_desktop_selection(desktop);

if (selection && selection->isEmpty()) {

_userWarn(desktop, _("Select <b>object(s)</b> to paste live path effect to."));

return false;

}

SPDocument *tempdoc = _retrieveClipboard("image/x-inkscape-svg");

if ( tempdoc ) {

Inkscape::XML::Node *root = sp_document_repr_root(tempdoc);

Inkscape::XML::Node *clipnode = sp_repr_lookup_name(root, "inkscape:clipboard", 1);

if ( clipnode ) {

gchar const *effectstack = clipnode->attribute("inkscape:path-effect");

if ( effectstack ) {

_pasteDefs(desktop, tempdoc);

// make sure all selected items are converted to paths first (i.e. rectangles)

sp_selected_to_lpeitems(desktop);

for (GSList *itemptr = const_cast<GSList *>(selection->itemList()) ; itemptr ; itemptr = itemptr->next) {

SPItem *item = reinterpret_cast<SPItem*>(itemptr->data);

_applyPathEffect(item, effectstack);

}

return true;

}

}

}

// no_effect:

_userWarn(desktop, _("No effect on the clipboard."));

return false;

}

Glib::ustring ClipboardManagerImpl::getPathParameter(SPDesktop* desktop)

{

SPDocument *tempdoc = _retrieveClipboard(); // any target will do here

if ( tempdoc == NULL ) {

_userWarn(desktop, _("Nothing on the clipboard."));

return "";

}

Inkscape::XML::Node

*root = sp_document_repr_root(tempdoc),

*path = sp_repr_lookup_name(root, "svg:path", -1); // unlimited search depth

if ( path == NULL ) {

_userWarn(desktop, _("Clipboard does not contain a path."));

sp_document_unref(tempdoc);

return "";

}

gchar const *svgd = path->attribute("d");

return svgd;

}

Glib::ustring ClipboardManagerImpl::getShapeOrTextObjectId(SPDesktop *desktop)

{

SPDocument *tempdoc = _retrieveClipboard(); // any target will do here

if ( tempdoc == NULL ) {

_userWarn(desktop, _("Nothing on the clipboard."));

return "";

}

Inkscape::XML::Node *root = sp_document_repr_root(tempdoc);

Inkscape::XML::Node *repr = sp_repr_lookup_name(root, "svg:path", -1); // unlimited search depth

if ( repr == NULL ) {

repr = sp_repr_lookup_name(root, "svg:text", -1);

}

if ( repr == NULL ) {

_userWarn(desktop, _("Clipboard does not contain a path."));

sp_document_unref(tempdoc);

return "";

}

gchar const *svgd = repr->attribute("id");

return svgd;

}

void ClipboardManagerImpl::_copySelection(Inkscape::Selection *selection)

{

GSList const *items = selection->itemList();

// copy the defs used by all items

for (GSList *i = const_cast<GSList *>(items) ; i != NULL ; i = i->next) {

_copyUsedDefs(SP_ITEM (i->data));

}

// copy the representation of the items

GSList *sorted_items = g_slist_copy(const_cast<GSList *>(items));

sorted_items = g_slist_sort(sorted_items, (GCompareFunc) sp_object_compare_position);

for (GSList *i = sorted_items ; i ; i = i->next) {

if (!SP_IS_ITEM(i->data)) {

continue;

}

Inkscape::XML::Node *obj = SP_OBJECT_REPR(i->data);

Inkscape::XML::Node *obj_copy = _copyNode(obj, _doc, _root);

// copy complete inherited style

SPCSSAttr *css = sp_repr_css_attr_inherited(obj, "style");

sp_repr_css_set(obj_copy, css, "style");

sp_repr_css_attr_unref(css);

// write the complete accumulated transform passed to us

// (we're dealing with unattached representations, so we write to their attributes

// instead of using sp_item_set_transform)

gchar *transform_str = sp_svg_transform_write(sp_item_i2doc_affine(SP_ITEM(i->data)));

obj_copy->setAttribute("transform", transform_str);

g_free(transform_str);

}

// copy style for Paste Style action

if (sorted_items) {

if (SP_IS_ITEM(sorted_items->data)) {

SPCSSAttr *style = take_style_from_item((SPItem *) sorted_items->data);

sp_repr_css_set(_clipnode, style, "style");

sp_repr_css_attr_unref(style);

}

// copy path effect from the first path

if (SP_IS_OBJECT(sorted_items->data)) {

gchar const *effect = SP_OBJECT_REPR(sorted_items->data)->attribute("inkscape:path-effect");

if (effect) {

_clipnode->setAttribute("inkscape:path-effect", effect);

}

}

}

Geom::OptRect size = selection->bounds();

if (size) {

sp_repr_set_point(_clipnode, "min", size->min());

sp_repr_set_point(_clipnode, "max", size->max());

}

g_slist_free(sorted_items);

}

void ClipboardManagerImpl::_copyUsedDefs(SPItem *item)

{

// copy fill and stroke styles (patterns and gradients)

SPStyle *style = item->style;

if (style && (style->fill.isPaintserver())) {

SPPaintServer *server = item->style->getFillPaintServer();

if ( SP_IS_LINEARGRADIENT(server) || SP_IS_RADIALGRADIENT(server) ) {

_copyGradient(SP_GRADIENT(server));

}

if ( SP_IS_PATTERN(server) ) {

_copyPattern(SP_PATTERN(server));

}

}

if (style && (style->stroke.isPaintserver())) {

SPPaintServer *server = item->style->getStrokePaintServer();

if ( SP_IS_LINEARGRADIENT(server) || SP_IS_RADIALGRADIENT(server) ) {

_copyGradient(SP_GRADIENT(server));

}

if ( SP_IS_PATTERN(server) ) {

_copyPattern(SP_PATTERN(server));

}

}

// For shapes, copy all of the shape's markers

if (SP_IS_SHAPE(item)) {

SPShape *shape = SP_SHAPE (item);

for (int i = 0 ; i < SP_MARKER_LOC_QTY ; i++) {

if (shape->marker[i]) {

_copyNode(SP_OBJECT_REPR(SP_OBJECT(shape->marker[i])), _doc, _defs);

}

}

}

// For lpe items, copy lpe stack if applicable

if (SP_IS_LPE_ITEM(item)) {

SPLPEItem *lpeitem = SP_LPE_ITEM (item);

if (sp_lpe_item_has_path_effect(lpeitem)) {

for (PathEffectList::iterator it = lpeitem->path_effect_list->begin(); it != lpeitem->path_effect_list->end(); ++it)

{

LivePathEffectObject *lpeobj = (*it)->lpeobject;

if (lpeobj) {

_copyNode(SP_OBJECT_REPR(SP_OBJECT(lpeobj)), _doc, _defs);

}

}

}

}

// For 3D boxes, copy perspectives

if (SP_IS_BOX3D(item)) {

_copyNode(SP_OBJECT_REPR(SP_OBJECT(box3d_get_perspective(SP_BOX3D(item)))), _doc, _defs);

}

// Copy text paths

if (SP_IS_TEXT_TEXTPATH(item)) {

_copyTextPath(SP_TEXTPATH(sp_object_first_child(SP_OBJECT(item))));

}

// Copy clipping objects

if (item->clip_ref->getObject()) {

_copyNode(SP_OBJECT_REPR(item->clip_ref->getObject()), _doc, _defs);

}

// Copy mask objects

if (item->mask_ref->getObject()) {

SPObject *mask = item->mask_ref->getObject();

_copyNode(SP_OBJECT_REPR(mask), _doc, _defs);

// recurse into the mask for its gradients etc.

for (SPObject *o = SP_OBJECT(mask)->children ; o != NULL ; o = o->next) {

if (SP_IS_ITEM(o)) {

_copyUsedDefs(SP_ITEM(o));

}

}

}

// Copy filters

if (style->getFilter()) {

SPObject *filter = style->getFilter();

if (SP_IS_FILTER(filter)) {

_copyNode(SP_OBJECT_REPR(filter), _doc, _defs);

}

}

// recurse

for (SPObject *o = SP_OBJECT(item)->children ; o != NULL ; o = o->next) {

if (SP_IS_ITEM(o)) {

_copyUsedDefs(SP_ITEM(o));

}

}

}

void ClipboardManagerImpl::_copyGradient(SPGradient *gradient)

{

while (gradient) {

// climb up the refs, copying each one in the chain

_copyNode(SP_OBJECT_REPR(gradient), _doc, _defs);

gradient = gradient->ref->getObject();

}

}

void ClipboardManagerImpl::_copyPattern(SPPattern *pattern)

{

// climb up the references, copying each one in the chain

while (pattern) {

_copyNode(SP_OBJECT_REPR(pattern), _doc, _defs);

// items in the pattern may also use gradients and other patterns, so recurse

for (SPObject *child = sp_object_first_child(SP_OBJECT(pattern)) ; child != NULL ; child = SP_OBJECT_NEXT(child) ) {

if (!SP_IS_ITEM (child)) {

continue;

}

_copyUsedDefs(SP_ITEM(child));

}

pattern = pattern->ref->getObject();

}

}

void ClipboardManagerImpl::_copyTextPath(SPTextPath *tp)

{

SPItem *path = sp_textpath_get_path_item(tp);

if (!path) {

return;

}

Inkscape::XML::Node *path_node = SP_OBJECT_REPR(path);

// Do not copy the text path to defs if it's already copied

if (sp_repr_lookup_child(_root, "id", path_node->attribute("id"))) {

return;

}

_copyNode(path_node, _doc, _defs);

}

Inkscape::XML::Node *ClipboardManagerImpl::_copyNode(Inkscape::XML::Node *node, Inkscape::XML::Document *target_doc, Inkscape::XML::Node *parent)

{

Inkscape::XML::Node *dup = node->duplicate(target_doc);

parent->appendChild(dup);

Inkscape::GC::release(dup);

return dup;

}

void ClipboardManagerImpl::_pasteDocument(SPDesktop *desktop, SPDocument *clipdoc, bool in_place)

{

SPDocument *target_document = sp_desktop_document(desktop);

Inkscape::XML::Node

*root = sp_document_repr_root(clipdoc),

*target_parent = SP_OBJECT_REPR(desktop->currentLayer());

Inkscape::XML::Document *target_xmldoc = sp_document_repr_doc(target_document);

// copy definitions

_pasteDefs(desktop, clipdoc);

// copy objects

GSList *pasted_objects = NULL;

for (Inkscape::XML::Node *obj = root->firstChild() ; obj ; obj = obj->next()) {

// Don't copy metadata, defs, named views and internal clipboard contents to the document

if (!strcmp(obj->name(), "svg:defs")) {

continue;

}

if (!strcmp(obj->name(), "svg:metadata")) {

continue;

}

if (!strcmp(obj->name(), "sodipodi:namedview")) {

continue;

}

if (!strcmp(obj->name(), "inkscape:clipboard")) {

continue;

}

Inkscape::XML::Node *obj_copy = _copyNode(obj, target_xmldoc, target_parent);

pasted_objects = g_slist_prepend(pasted_objects, (gpointer) obj_copy);

}

// Change the selection to the freshly pasted objects

Inkscape::Selection *selection = sp_desktop_selection(desktop);

selection->setReprList(pasted_objects);

// invers apply parent transform

Geom::Matrix doc2parent = sp_item_i2doc_affine(SP_ITEM(desktop->currentLayer())).inverse();

sp_selection_apply_affine(selection, desktop->dt2doc() * doc2parent * desktop->doc2dt(), true, false);

// Update (among other things) all curves in paths, for bounds() to work

sp_document_ensure_up_to_date(target_document);

// move selection either to original position (in_place) or to mouse pointer

Geom::OptRect sel_bbox = selection->bounds();

if (sel_bbox) {

// get offset of selection to original position of copied elements

Geom::Point pos_original;

Inkscape::XML::Node *clipnode = sp_repr_lookup_name(root, "inkscape:clipboard", 1);

if (clipnode) {

Geom::Point min, max;

sp_repr_get_point(clipnode, "min", &min);

sp_repr_get_point(clipnode, "max", &max);

pos_original = Geom::Point(min[Geom::X], max[Geom::Y]);

}

Geom::Point offset = pos_original - sel_bbox->corner(3);

if (!in_place) {

SnapManager &m = desktop->namedview->snap_manager;

m.setup(desktop);

sp_event_context_discard_delayed_snap_event(desktop->event_context);

// get offset from mouse pointer to bbox center, snap to grid if enabled

Geom::Point mouse_offset = desktop->point() - sel_bbox->midpoint();

offset = m.multipleOfGridPitch(mouse_offset - offset, sel_bbox->midpoint() + offset) + offset;

m.unSetup();

}

sp_selection_move_relative(selection, offset);

}

g_slist_free(pasted_objects);

}

void ClipboardManagerImpl::_pasteDefs(SPDesktop *desktop, SPDocument *clipdoc)

{

// boilerplate vars copied from _pasteDocument

SPDocument *target_document = sp_desktop_document(desktop);

Inkscape::XML::Node

*root = sp_document_repr_root(clipdoc),

*defs = sp_repr_lookup_name(root, "svg:defs", 1),

*target_defs = SP_OBJECT_REPR(SP_DOCUMENT_DEFS(target_document));

Inkscape::XML::Document *target_xmldoc = sp_document_repr_doc(target_document);

prevent_id_clashes(clipdoc, target_document);

for (Inkscape::XML::Node *def = defs->firstChild() ; def ; def = def->next()) {

_copyNode(def, target_xmldoc, target_defs);

}

}

bool ClipboardManagerImpl::_pasteImage(SPDocument *doc)

{

if ( doc == NULL ) {

return false;

}

// retrieve image data

Glib::RefPtr<Gdk::Pixbuf> img = _clipboard->wait_for_image();

if (!img) {

return false;

}

// TODO unify with interface.cpp's sp_ui_drag_data_received()

// AARGH stupid

Inkscape::Extension::DB::InputList o;

Inkscape::Extension::db.get_input_list(o);

Inkscape::Extension::DB::InputList::const_iterator i = o.begin();

while (i != o.end() && strcmp( (*i)->get_mimetype(), "image/png" ) != 0) {

++i;

}

Inkscape::Extension::Extension *png = *i;

bool save = (strcmp(png->get_param_optiongroup("link"), "embed") == 0);

png->set_param_optiongroup("link", "embed");

png->set_gui(false);

gchar *filename = g_build_filename( g_get_tmp_dir(), "inkscape-clipboard-import", NULL );

img->save(filename, "png");

file_import(doc, filename, png);

g_free(filename);

png->set_param_optiongroup("link", save ? "embed" : "link");

png->set_gui(true);

return true;

}

bool ClipboardManagerImpl::_pasteText(SPDesktop *desktop)

{

if ( desktop == NULL ) {

return false;

}

// if the text editing tool is active, paste the text into the active text object

if (tools_isactive(desktop, TOOLS_TEXT)) {

return sp_text_paste_inline(desktop->event_context);

}

// try to parse the text as a color and, if successful, apply it as the current style

SPCSSAttr *css = _parseColor(_clipboard->wait_for_text());

if (css) {

sp_desktop_set_style(desktop, css);

return true;

}

return false;

}

SPCSSAttr *ClipboardManagerImpl::_parseColor(const Glib::ustring &text)

{

Glib::ustring::size_type len = text.bytes();

char *str = const_cast<char *>(text.data());

bool attempt_alpha = false;

if ( !str || ( *str == '\0' ) ) {

return NULL; // this is OK due to boolean short-circuit

}

// those conditionals guard against parsing e.g. the string "fab" as "fab000"

// (incomplete color) and "45fab71" as "45fab710" (incomplete alpha)

if ( *str == '#' ) {

if ( len < 7 ) {

return NULL;

}

if ( len >= 9 ) {

attempt_alpha = true;

}

} else {

if ( len < 6 ) {

return NULL;

}

if ( len >= 8 ) {

attempt_alpha = true;

}

}

unsigned int color = 0, alpha = 0xff;

// skip a leading #, if present

if ( *str == '#' ) {

++str;

}

// try to parse first 6 digits

int res = sscanf(str, "%6x", &color);

if ( res && ( res != EOF ) ) {

if (attempt_alpha) {// try to parse alpha if there's enough characters

sscanf(str + 6, "%2x", &alpha);

if ( !res || res == EOF ) {

alpha = 0xff;

}

}

SPCSSAttr *color_css = sp_repr_css_attr_new();

// print and set properties

gchar color_str[16];

g_snprintf(color_str, 16, "#%06x", color);

sp_repr_css_set_property(color_css, "fill", color_str);

float opacity = static_cast<float>(alpha)/static_cast<float>(0xff);

if (opacity > 1.0) {

opacity = 1.0; // safeguard

}

Inkscape::CSSOStringStream opcss;

opcss << opacity;

sp_repr_css_set_property(color_css, "fill-opacity", opcss.str().data());

return color_css;

}

return NULL;

}

void ClipboardManagerImpl::_applyPathEffect(SPItem *item, gchar const *effectstack)

{

if ( item == NULL ) {

return;

}

if ( SP_IS_RECT(item) ) {

return;

}

if (SP_IS_LPE_ITEM(item))

{

SPLPEItem *lpeitem = SP_LPE_ITEM(item);

// for each effect in the stack, check if we need to fork it before adding it to the item

sp_lpe_item_fork_path_effects_if_necessary(lpeitem, 1);

std::istringstream iss(effectstack);

std::string href;

while (std::getline(iss, href, ';'))

{

SPObject *obj = sp_uri_reference_resolve(_clipboardSPDoc, href.c_str());

if (!obj) {

return;

}

LivePathEffectObject *lpeobj = LIVEPATHEFFECT(obj);

sp_lpe_item_add_path_effect(lpeitem, lpeobj);

}

}

}

SPDocument *ClipboardManagerImpl::_retrieveClipboard(Glib::ustring required_target)

{

Glib::ustring best_target;

if ( required_target == "" ) {

best_target = _getBestTarget();

} else {

best_target = required_target;

}

if ( best_target == "" ) {

return NULL;

}

// FIXME: Temporary hack until we add memory input.

// Save the clipboard contents to some file, then read it

gchar *filename = g_build_filename( g_get_tmp_dir(), "inkscape-clipboard-import", NULL );

bool file_saved = false;

Glib::ustring target = best_target;

#ifdef WIN32

if (best_target == CLIPBOARD_WIN32_EMF_TARGET)

{ // Try to save clipboard data as en emf file (using win32 api)

if (OpenClipboard(NULL)) {

HGLOBAL hglb = GetClipboardData(CF_ENHMETAFILE);

if (hglb) {

HENHMETAFILE hemf = CopyEnhMetaFile((HENHMETAFILE) hglb, filename);

if (hemf) {

file_saved = true;

target = CLIPBOARD_WIN32_EMF_MIME;

DeleteEnhMetaFile(hemf);

}

}

CloseClipboard();

}

}

#endif

if (!file_saved) {

if ( !_clipboard->wait_is_target_available(best_target) ) {

return NULL;

}

// doing this synchronously makes better sense

// TODO: use another method because this one is badly broken imo.

// from documentation: "Returns: A SelectionData object, which will be invalid if retrieving the given target failed."

// I don't know how to check whether an object is 'valid' or not, unusable if that's not possible...

Gtk::SelectionData sel = _clipboard->wait_for_contents(best_target);

target = sel.get_target(); // this can crash if the result was invalid of last function. No way to check for this :(

// FIXME: Temporary hack until we add memory input.

// Save the clipboard contents to some file, then read it

g_file_set_contents(filename, (const gchar *) sel.get_data(), sel.get_length(), NULL);

}

// there is no specific plain SVG input extension, so if we can paste the Inkscape SVG format,

// we use the image/svg+xml mimetype to look up the input extension

if (target == "image/x-inkscape-svg") {

target = "image/svg+xml";

}

Inkscape::Extension::DB::InputList inlist;

Inkscape::Extension::db.get_input_list(inlist);

Inkscape::Extension::DB::InputList::const_iterator in = inlist.begin();

for (; in != inlist.end() && target != (*in)->get_mimetype() ; ++in) {

};

if ( in == inlist.end() ) {

return NULL; // this shouldn't happen unless _getBestTarget returns something bogus

}

SPDocument *tempdoc = NULL;

try {

tempdoc = (*in)->open(filename);

} catch (...) {

}

g_unlink(filename);

g_free(filename);

return tempdoc;

}

void ClipboardManagerImpl::_onGet(Gtk::SelectionData &sel, guint /*info*/)

{

g_assert( _clipboardSPDoc != NULL );

Glib::ustring target = sel.get_target();

if (target == "") {

return; // this shouldn't happen

}

if (target == CLIPBOARD_TEXT_TARGET) {

target = "image/x-inkscape-svg";

}

Inkscape::Extension::DB::OutputList outlist;

Inkscape::Extension::db.get_output_list(outlist);

Inkscape::Extension::DB::OutputList::const_iterator out = outlist.begin();

for ( ; out != outlist.end() && target != (*out)->get_mimetype() ; ++out) {

};

if ( out == outlist.end() && target != "image/png") {

return; // this also shouldn't happen

}

// FIXME: Temporary hack until we add support for memory output.

// Save to a temporary file, read it back and then set the clipboard contents

gchar *filename = g_build_filename( g_get_tmp_dir(), "inkscape-clipboard-export", NULL );

gsize len; gchar *data;

try {

if (out == outlist.end() && target == "image/png")

{

gdouble dpi = PX_PER_IN;

guint32 bgcolor = 0x00000000;

Geom::Point origin (SP_ROOT(_clipboardSPDoc->root)->x.computed, SP_ROOT(_clipboardSPDoc->root)->y.computed);

Geom::Rect area = Geom::Rect(origin, origin + sp_document_dimensions(_clipboardSPDoc));

unsigned long int width = (unsigned long int) (area.width() * dpi / PX_PER_IN + 0.5);

unsigned long int height = (unsigned long int) (area.height() * dpi / PX_PER_IN + 0.5);

// read from namedview

Inkscape::XML::Node *nv = sp_repr_lookup_name (_clipboardSPDoc->rroot, "sodipodi:namedview");

if (nv && nv->attribute("pagecolor")) {

bgcolor = sp_svg_read_color(nv->attribute("pagecolor"), 0xffffff00);

}

if (nv && nv->attribute("inkscape:pageopacity")) {

bgcolor |= SP_COLOR_F_TO_U(sp_repr_get_double_attribute (nv, "inkscape:pageopacity", 1.0));

}

sp_export_png_file(_clipboardSPDoc, filename, area, width, height, dpi, dpi, bgcolor, NULL, NULL, true, NULL);

}

else

{

if (!(*out)->loaded()) {

// Need to load the extension.

(*out)->set_state(Inkscape::Extension::Extension::STATE_LOADED);

}

(*out)->save(_clipboardSPDoc, filename);

}

g_file_get_contents(filename, &data, &len, NULL);

sel.set(8, (guint8 const *) data, len);

} catch (...) {

}

g_unlink(filename); // delete the temporary file

g_free(filename);

}

void ClipboardManagerImpl::_onClear()

{

// why is this called before _onGet???

//_discardInternalClipboard();

}

void ClipboardManagerImpl::_createInternalClipboard()

{

if ( _clipboardSPDoc == NULL ) {

_clipboardSPDoc = sp_document_new(NULL, false, true);

//g_assert( _clipboardSPDoc != NULL );

_defs = SP_OBJECT_REPR(SP_DOCUMENT_DEFS(_clipboardSPDoc));

_doc = sp_document_repr_doc(_clipboardSPDoc);

_root = sp_document_repr_root(_clipboardSPDoc);

_clipnode = _doc->createElement("inkscape:clipboard");

_root->appendChild(_clipnode);

Inkscape::GC::release(_clipnode);

// once we create a SVG document, style will be stored in it, so flush _text_style

if (_text_style) {

sp_repr_css_attr_unref(_text_style);

_text_style = NULL;

}

}

}