7d771c0d4695e1f20062fde860ce6ba8c87543e4
1 /** @file
2 * @brief System-wide clipboard management - implementation
3 */
4 /* Authors:
5 * Krzysztof KosiĆski <tweenk@o2.pl>
6 * Incorporates some code from selection-chemistry.cpp, see that file for more credits.
7 *
8 * Copyright (C) 2008 authors
9 *
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version 2
13 * of the License, or (at your option) any later version.
14 *
15 * See the file COPYING for details.
16 */
18 #include "ui/clipboard.h"
20 // TODO: reduce header bloat if possible
22 #include <list>
23 #include <algorithm>
24 #include <gtkmm/clipboard.h>
25 #include <glibmm/ustring.h>
26 #include <glibmm/i18n.h>
27 #include <glib/gstdio.h> // for g_file_set_contents etc., used in _onGet and paste
28 #include "gc-core.h"
29 #include "xml/repr.h"
30 #include "inkscape.h"
31 #include "io/stringstream.h"
32 #include "desktop.h"
33 #include "desktop-handles.h"
34 #include "desktop-style.h" // for sp_desktop_set_style, used in _pasteStyle
35 #include "document.h"
36 #include "document-private.h"
37 #include "selection.h"
38 #include "message-stack.h"
39 #include "context-fns.h"
40 #include "dropper-context.h" // used in copy()
41 #include "style.h"
42 #include "extension/db.h" // extension database
43 #include "extension/input.h"
44 #include "extension/output.h"
45 #include "selection-chemistry.h"
46 #include "libnr/nr-rect.h"
47 #include "box3d.h"
48 #include "gradient-drag.h"
49 #include "sp-item.h"
50 #include "sp-item-transform.h" // for sp_item_scale_rel, used in _pasteSize
51 #include "sp-path.h"
52 #include "sp-pattern.h"
53 #include "sp-shape.h"
54 #include "sp-gradient.h"
55 #include "sp-gradient-reference.h"
56 #include "sp-gradient-fns.h"
57 #include "sp-linear-gradient-fns.h"
58 #include "sp-radial-gradient-fns.h"
59 #include "sp-clippath.h"
60 #include "sp-mask.h"
61 #include "sp-textpath.h"
62 #include "sp-rect.h"
63 #include "live_effects/lpeobject.h"
64 #include "live_effects/lpeobject-reference.h"
65 #include "live_effects/parameter/path.h"
66 #include "svg/svg.h" // for sp_svg_transform_write, used in _copySelection
67 #include "svg/css-ostringstream.h" // used in _parseColor
68 #include "file.h" // for file_import, used in _pasteImage
69 #include "prefs-utils.h" // for prefs_get_string_attribute, used in _pasteImage
70 #include "text-context.h"
71 #include "text-editing.h"
72 #include "tools-switch.h"
73 #include "libnr/n-art-bpath-2geom.h"
74 #include "path-chemistry.h"
75 #include "id-clash.h"
76 #include "unit-constants.h"
77 #include "helper/png-write.h"
78 #include "svg/svg-color.h"
80 /// @brief Made up mimetype to represent Gdk::Pixbuf clipboard contents
81 #define CLIPBOARD_GDK_PIXBUF_TARGET "image/x-gdk-pixbuf"
83 #define CLIPBOARD_TEXT_TARGET "text/plain"
85 #ifdef WIN32
86 #include <windows.h>
87 // Clipboard Formats: http://msdn.microsoft.com/en-us/library/ms649013(VS.85).aspx
88 // On Windows, most graphical applications can handle CF_DIB/CF_BITMAP and/or CF_ENHMETAFILE
89 // GTK automatically presents an "image/bmp" target as CF_DIB/CF_BITMAP
90 // Presenting "image/x-emf" as CF_ENHMETAFILE must be done by Inkscape ?
91 #define CLIPBOARD_WIN32_EMF_TARGET "CF_ENHMETAFILE"
92 #define CLIPBOARD_WIN32_EMF_MIME "image/x-emf"
93 #endif
95 namespace Inkscape {
96 namespace UI {
99 /**
100 * @brief Default implementation of the clipboard manager
101 */
102 class ClipboardManagerImpl : public ClipboardManager {
103 public:
104 virtual void copy();
105 virtual void copyPathParameter(Inkscape::LivePathEffect::PathParam *);
106 virtual bool paste(bool in_place);
107 virtual bool pasteStyle();
108 virtual bool pasteSize(bool, bool, bool);
109 virtual bool pastePathEffect();
110 virtual Glib::ustring getPathParameter();
111 virtual Glib::ustring getShapeOrTextObjectId();
112 virtual const gchar *getFirstObjectID();
114 ClipboardManagerImpl();
115 ~ClipboardManagerImpl();
117 private:
118 void _copySelection(Inkscape::Selection *);
119 void _copyUsedDefs(SPItem *);
120 void _copyGradient(SPGradient *);
121 void _copyPattern(SPPattern *);
122 void _copyTextPath(SPTextPath *);
123 Inkscape::XML::Node *_copyNode(Inkscape::XML::Node *, Inkscape::XML::Document *, Inkscape::XML::Node *);
125 void _pasteDocument(SPDocument *, bool in_place);
126 void _pasteDefs(SPDocument *);
127 bool _pasteImage();
128 bool _pasteText();
129 SPCSSAttr *_parseColor(const Glib::ustring &);
130 void _applyPathEffect(SPItem *, gchar const *);
131 SPDocument *_retrieveClipboard(Glib::ustring = "");
133 // clipboard callbacks
134 void _onGet(Gtk::SelectionData &, guint);
135 void _onClear();
137 // various helpers
138 void _createInternalClipboard();
139 void _discardInternalClipboard();
140 Inkscape::XML::Node *_createClipNode();
141 NR::scale _getScale(Geom::Point &, Geom::Point &, NR::Rect &, bool, bool);
142 Glib::ustring _getBestTarget();
143 void _setClipboardTargets();
144 void _setClipboardColor(guint32);
145 void _userWarn(SPDesktop *, char const *);
147 // private properites
148 SPDocument *_clipboardSPDoc; ///< Document that stores the clipboard until someone requests it
149 Inkscape::XML::Node *_defs; ///< Reference to the clipboard document's defs node
150 Inkscape::XML::Node *_root; ///< Reference to the clipboard's root node
151 Inkscape::XML::Node *_clipnode; ///< The node that holds extra information
152 Inkscape::XML::Document *_doc; ///< Reference to the clipboard's Inkscape::XML::Document
154 Glib::RefPtr<Gtk::Clipboard> _clipboard; ///< Handle to the system wide clipboard - for convenience
155 std::list<Glib::ustring> _preferred_targets; ///< List of supported clipboard targets
156 };
159 ClipboardManagerImpl::ClipboardManagerImpl()
160 : _clipboardSPDoc(NULL),
161 _defs(NULL),
162 _root(NULL),
163 _clipnode(NULL),
164 _doc(NULL),
165 _clipboard( Gtk::Clipboard::get() )
166 {
167 // push supported clipboard targets, in order of preference
168 _preferred_targets.push_back("image/x-inkscape-svg");
169 _preferred_targets.push_back("image/svg+xml");
170 _preferred_targets.push_back("image/svg+xml-compressed");
171 #ifdef WIN32
172 _preferred_targets.push_back(CLIPBOARD_WIN32_EMF_MIME);
173 #endif
174 _preferred_targets.push_back("application/pdf");
175 _preferred_targets.push_back("image/x-adobe-illustrator");
176 }
179 ClipboardManagerImpl::~ClipboardManagerImpl() {}
182 /**
183 * @brief Copy selection contents to the clipboard
184 */
185 void ClipboardManagerImpl::copy()
186 {
187 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
188 if ( desktop == NULL ) return;
189 Inkscape::Selection *selection = sp_desktop_selection(desktop);
191 // Special case for when the gradient dragger is active - copies gradient color
192 if (desktop->event_context->get_drag()) {
193 GrDrag *drag = desktop->event_context->get_drag();
194 if (drag->hasSelection()) {
195 _setClipboardColor(drag->getColor());
196 _discardInternalClipboard();
197 return;
198 }
199 }
201 // Special case for when the color picker ("dropper") is active - copies color under cursor
202 if (tools_isactive(desktop, TOOLS_DROPPER)) {
203 _setClipboardColor(sp_dropper_context_get_color(desktop->event_context));
204 _discardInternalClipboard();
205 return;
206 }
208 // Special case for when the text tool is active - if some text is selected, copy plain text,
209 // not the object that holds it
210 if (tools_isactive(desktop, TOOLS_TEXT)) {
211 Glib::ustring selected_text = sp_text_get_selected_text(desktop->event_context);
212 if (!selected_text.empty()) {
213 _clipboard->set_text(selected_text);
214 _discardInternalClipboard();
215 return;
216 }
217 }
219 if (selection->isEmpty()) { // check whether something is selected
220 _userWarn(desktop, _("Nothing was copied."));
221 return;
222 }
223 _discardInternalClipboard();
225 _createInternalClipboard(); // construct a new clipboard document
226 _copySelection(selection); // copy all items in the selection to the internal clipboard
227 fit_canvas_to_drawing(_clipboardSPDoc);
229 _setClipboardTargets();
230 }
233 /**
234 * @brief Copy a Live Path Effect path parameter to the clipboard
235 * @param pp The path parameter to store in the clipboard
236 */
237 void ClipboardManagerImpl::copyPathParameter(Inkscape::LivePathEffect::PathParam *pp)
238 {
239 if ( pp == NULL ) return;
240 gchar *svgd = sp_svg_write_path( pp->get_pathvector() );
241 if ( svgd == NULL || *svgd == '\0' ) return;
243 _discardInternalClipboard();
244 _createInternalClipboard();
246 Inkscape::XML::Node *pathnode = _doc->createElement("svg:path");
247 pathnode->setAttribute("d", svgd);
248 g_free(svgd);
249 _root->appendChild(pathnode);
250 Inkscape::GC::release(pathnode);
252 fit_canvas_to_drawing(_clipboardSPDoc);
253 _setClipboardTargets();
254 }
256 /**
257 * @brief Paste from the system clipboard into the active desktop
258 * @param in_place Whether to put the contents where they were when copied
259 */
260 bool ClipboardManagerImpl::paste(bool in_place)
261 {
262 // do any checking whether we really are able to paste before requesting the contents
263 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
264 if ( desktop == NULL ) return false;
265 if ( Inkscape::have_viable_layer(desktop, desktop->messageStack()) == false ) return false;
267 Glib::ustring target = _getBestTarget();
269 // Special cases of clipboard content handling go here 00ff00
270 // Note that target priority is determined in _getBestTarget.
271 // TODO: Handle x-special/gnome-copied-files and text/uri-list to support pasting files
273 // if there is an image on the clipboard, paste it
274 if ( target == CLIPBOARD_GDK_PIXBUF_TARGET ) return _pasteImage();
275 // if there's only text, paste it into a selected text object or create a new one
276 if ( target == CLIPBOARD_TEXT_TARGET ) return _pasteText();
278 // otherwise, use the import extensions
279 SPDocument *tempdoc = _retrieveClipboard(target);
280 if ( tempdoc == NULL ) {
281 _userWarn(desktop, _("Nothing on the clipboard."));
282 return false;
283 }
285 _pasteDocument(tempdoc, in_place);
286 sp_document_unref(tempdoc);
288 return true;
289 }
291 /**
292 * @brief Returns the id of the first visible copied object
293 */
294 const gchar *ClipboardManagerImpl::getFirstObjectID()
295 {
296 SPDocument *tempdoc = _retrieveClipboard("image/x-inkscape-svg");
297 if ( tempdoc == NULL ) {
298 return NULL;
299 }
301 Inkscape::XML::Node
302 *root = sp_document_repr_root(tempdoc);
304 if (!root)
305 return NULL;
307 Inkscape::XML::Node *ch = sp_repr_children(root);
308 while (ch != NULL &&
309 strcmp(ch->name(), "svg:g") &&
310 strcmp(ch->name(), "svg:path") &&
311 strcmp(ch->name(), "svg:use") &&
312 strcmp(ch->name(), "svg:text") &&
313 strcmp(ch->name(), "svg:image") &&
314 strcmp(ch->name(), "svg:rect")
315 )
316 ch = ch->next();
318 if (ch) {
319 return ch->attribute("id");
320 }
322 return NULL;
323 }
326 /**
327 * @brief Implements the Paste Style action
328 */
329 bool ClipboardManagerImpl::pasteStyle()
330 {
331 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
332 if (desktop == NULL) return false;
334 // check whether something is selected
335 Inkscape::Selection *selection = sp_desktop_selection(desktop);
336 if (selection->isEmpty()) {
337 _userWarn(desktop, _("Select <b>object(s)</b> to paste style to."));
338 return false;
339 }
341 SPDocument *tempdoc = _retrieveClipboard("image/x-inkscape-svg");
342 if ( tempdoc == NULL ) {
343 _userWarn(desktop, _("No style on the clipboard."));
344 return false;
345 }
347 Inkscape::XML::Node
348 *root = sp_document_repr_root(tempdoc),
349 *clipnode = sp_repr_lookup_name(root, "inkscape:clipboard", 1);
351 bool pasted = false;
353 if (clipnode) {
354 _pasteDefs(tempdoc);
355 SPCSSAttr *style = sp_repr_css_attr(clipnode, "style");
356 sp_desktop_set_style(desktop, style);
357 pasted = true;
358 }
359 else {
360 _userWarn(desktop, _("No style on the clipboard."));
361 }
363 sp_document_unref(tempdoc);
364 return pasted;
365 }
368 /**
369 * @brief Resize the selection or each object in the selection to match the clipboard's size
370 * @param separately Whether to scale each object in the selection separately
371 * @param apply_x Whether to scale the width of objects / selection
372 * @param apply_y Whether to scale the height of objects / selection
373 */
374 bool ClipboardManagerImpl::pasteSize(bool separately, bool apply_x, bool apply_y)
375 {
376 if(!apply_x && !apply_y) return false; // pointless parameters
378 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
379 if ( desktop == NULL ) return false;
380 Inkscape::Selection *selection = sp_desktop_selection(desktop);
381 if (selection->isEmpty()) {
382 _userWarn(desktop, _("Select <b>object(s)</b> to paste size to."));
383 return false;
384 }
386 // FIXME: actually, this should accept arbitrary documents
387 SPDocument *tempdoc = _retrieveClipboard("image/x-inkscape-svg");
388 if ( tempdoc == NULL ) {
389 _userWarn(desktop, _("No size on the clipboard."));
390 return false;
391 }
393 // retrieve size ifomration from the clipboard
394 Inkscape::XML::Node *root = sp_document_repr_root(tempdoc);
395 Inkscape::XML::Node *clipnode = sp_repr_lookup_name(root, "inkscape:clipboard", 1);
396 bool pasted = false;
397 if (clipnode) {
398 Geom::Point min, max;
399 sp_repr_get_point(clipnode, "min", &min);
400 sp_repr_get_point(clipnode, "max", &max);
402 // resize each object in the selection
403 if (separately) {
404 for (GSList *i = const_cast<GSList*>(selection->itemList()) ; i ; i = i->next) {
405 SPItem *item = SP_ITEM(i->data);
406 NR::Maybe<NR::Rect> obj_size = sp_item_bbox_desktop(item);
407 if ( !obj_size || obj_size->isEmpty() ) continue;
408 sp_item_scale_rel(item, _getScale(min, max, *obj_size, apply_x, apply_y));
409 }
410 }
411 // resize the selection as a whole
412 else {
413 NR::Maybe<NR::Rect> sel_size = selection->bounds();
414 if ( sel_size && !sel_size->isEmpty() ) {
415 sp_selection_scale_relative(selection, sel_size->midpoint(),
416 _getScale(min, max, *sel_size, apply_x, apply_y));
417 }
418 }
419 pasted = true;
420 }
421 sp_document_unref(tempdoc);
422 return pasted;
423 }
426 /**
427 * @brief Applies a path effect from the clipboard to the selected path
428 */
429 bool ClipboardManagerImpl::pastePathEffect()
430 {
431 /** @todo FIXME: pastePathEffect crashes when moving the path with the applied effect,
432 segfaulting in fork_private_if_necessary(). */
434 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
435 if ( desktop == NULL )
436 return false;
438 Inkscape::Selection *selection = sp_desktop_selection(desktop);
439 if (selection && selection->isEmpty()) {
440 _userWarn(desktop, _("Select <b>object(s)</b> to paste live path effect to."));
441 return false;
442 }
444 SPDocument *tempdoc = _retrieveClipboard("image/x-inkscape-svg");
445 if ( tempdoc ) {
446 Inkscape::XML::Node *root = sp_document_repr_root(tempdoc);
447 Inkscape::XML::Node *clipnode = sp_repr_lookup_name(root, "inkscape:clipboard", 1);
448 if ( clipnode ) {
449 gchar const *effect = clipnode->attribute("inkscape:path-effect");
450 if ( effect ) {
451 _pasteDefs(tempdoc);
452 // make sure all selected items are converted to paths first (i.e. rectangles)
453 sp_selected_path_to_curves(false);
454 for (GSList *item = const_cast<GSList *>(selection->itemList()) ; item ; item = item->next) {
455 _applyPathEffect(reinterpret_cast<SPItem*>(item->data), effect);
456 }
458 return true;
459 }
460 }
461 }
463 // no_effect:
464 _userWarn(desktop, _("No effect on the clipboard."));
465 return false;
466 }
469 /**
470 * @brief Get LPE path data from the clipboard
471 * @return The retrieved path data (contents of the d attribute), or "" if no path was found
472 */
473 Glib::ustring ClipboardManagerImpl::getPathParameter()
474 {
475 SPDocument *tempdoc = _retrieveClipboard(); // any target will do here
476 if ( tempdoc == NULL ) {
477 _userWarn(SP_ACTIVE_DESKTOP, _("Nothing on the clipboard."));
478 return "";
479 }
480 Inkscape::XML::Node
481 *root = sp_document_repr_root(tempdoc),
482 *path = sp_repr_lookup_name(root, "svg:path", -1); // unlimited search depth
483 if ( path == NULL ) {
484 _userWarn(SP_ACTIVE_DESKTOP, _("Clipboard does not contain a path."));
485 sp_document_unref(tempdoc);
486 return "";
487 }
488 gchar const *svgd = path->attribute("d");
489 return svgd;
490 }
493 /**
494 * @brief Get object id of a shape or text item from the clipboard
495 * @return The retrieved id string (contents of the id attribute), or "" if no shape or text item was found
496 */
497 Glib::ustring ClipboardManagerImpl::getShapeOrTextObjectId()
498 {
499 SPDocument *tempdoc = _retrieveClipboard(); // any target will do here
500 if ( tempdoc == NULL ) {
501 _userWarn(SP_ACTIVE_DESKTOP, _("Nothing on the clipboard."));
502 return "";
503 }
504 Inkscape::XML::Node *root = sp_document_repr_root(tempdoc);
506 Inkscape::XML::Node *repr = sp_repr_lookup_name(root, "svg:path", -1); // unlimited search depth
507 if ( repr == NULL )
508 repr = sp_repr_lookup_name(root, "svg:text", -1);
510 if ( repr == NULL ) {
511 _userWarn(SP_ACTIVE_DESKTOP, _("Clipboard does not contain a path."));
512 sp_document_unref(tempdoc);
513 return "";
514 }
515 gchar const *svgd = repr->attribute("id");
516 return svgd;
517 }
520 /**
521 * @brief Iterate over a list of items and copy them to the clipboard.
522 */
523 void ClipboardManagerImpl::_copySelection(Inkscape::Selection *selection)
524 {
525 GSList const *items = selection->itemList();
526 // copy the defs used by all items
527 for (GSList *i = const_cast<GSList *>(items) ; i != NULL ; i = i->next) {
528 _copyUsedDefs(SP_ITEM (i->data));
529 }
531 // copy the representation of the items
532 GSList *sorted_items = g_slist_copy(const_cast<GSList *>(items));
533 sorted_items = g_slist_sort(sorted_items, (GCompareFunc) sp_object_compare_position);
535 for (GSList *i = sorted_items ; i ; i = i->next) {
536 if (!SP_IS_ITEM(i->data)) continue;
537 Inkscape::XML::Node *obj = SP_OBJECT_REPR(i->data);
538 Inkscape::XML::Node *obj_copy = _copyNode(obj, _doc, _root);
540 // copy complete inherited style
541 SPCSSAttr *css = sp_repr_css_attr_inherited(obj, "style");
542 sp_repr_css_set(obj_copy, css, "style");
543 sp_repr_css_attr_unref(css);
545 // write the complete accumulated transform passed to us
546 // (we're dealing with unattached representations, so we write to their attributes
547 // instead of using sp_item_set_transform)
548 gchar *transform_str = sp_svg_transform_write(from_2geom(sp_item_i2doc_affine(SP_ITEM(i->data))));
549 obj_copy->setAttribute("transform", transform_str);
550 g_free(transform_str);
551 }
553 // copy style for Paste Style action
554 if (sorted_items) {
555 if(SP_IS_ITEM(sorted_items->data)) {
556 SPCSSAttr *style = take_style_from_item((SPItem *) sorted_items->data);
557 sp_repr_css_set(_clipnode, style, "style");
558 sp_repr_css_attr_unref(style);
559 }
561 // copy path effect from the first path
562 if (SP_IS_OBJECT(sorted_items->data)) {
563 gchar const *effect = SP_OBJECT_REPR(sorted_items->data)->attribute("inkscape:path-effect");
564 if (effect) {
565 _clipnode->setAttribute("inkscape:path-effect", effect);
566 }
567 }
568 }
570 NR::Maybe<NR::Rect> size = selection->bounds();
571 if (size) {
572 sp_repr_set_point(_clipnode, "min", size->min());
573 sp_repr_set_point(_clipnode, "max", size->max());
574 }
576 g_slist_free(sorted_items);
577 }
580 /**
581 * @brief Recursively copy all the definitions used by a given item to the clipboard defs
582 */
583 void ClipboardManagerImpl::_copyUsedDefs(SPItem *item)
584 {
585 // copy fill and stroke styles (patterns and gradients)
586 SPStyle *style = SP_OBJECT_STYLE(item);
588 if (style && (style->fill.isPaintserver())) {
589 SPObject *server = SP_OBJECT_STYLE_FILL_SERVER(item);
590 if (SP_IS_LINEARGRADIENT(server) || SP_IS_RADIALGRADIENT(server))
591 _copyGradient(SP_GRADIENT(server));
592 if (SP_IS_PATTERN(server))
593 _copyPattern(SP_PATTERN(server));
594 }
595 if (style && (style->stroke.isPaintserver())) {
596 SPObject *server = SP_OBJECT_STYLE_STROKE_SERVER(item);
597 if (SP_IS_LINEARGRADIENT(server) || SP_IS_RADIALGRADIENT(server))
598 _copyGradient(SP_GRADIENT(server));
599 if (SP_IS_PATTERN(server))
600 _copyPattern(SP_PATTERN(server));
601 }
603 // For shapes, copy all of the shape's markers
604 if (SP_IS_SHAPE(item)) {
605 SPShape *shape = SP_SHAPE (item);
606 for (int i = 0 ; i < SP_MARKER_LOC_QTY ; i++) {
607 if (shape->marker[i]) {
608 _copyNode(SP_OBJECT_REPR(SP_OBJECT(shape->marker[i])), _doc, _defs);
609 }
610 }
611 }
612 // For lpe items, copy lpe stack if applicable
613 if (SP_IS_LPE_ITEM(item)) {
614 SPLPEItem *lpeitem = SP_LPE_ITEM (item);
615 if (sp_lpe_item_has_path_effect(lpeitem)) {
616 for (PathEffectList::iterator it = lpeitem->path_effect_list->begin(); it != lpeitem->path_effect_list->end(); ++it)
617 {
618 LivePathEffectObject *lpeobj = (*it)->lpeobject;
619 if (lpeobj)
620 _copyNode(SP_OBJECT_REPR(SP_OBJECT(lpeobj)), _doc, _defs);
621 }
622 }
623 }
624 // For 3D boxes, copy perspectives
625 if (SP_IS_BOX3D(item)) {
626 _copyNode(SP_OBJECT_REPR(SP_OBJECT(box3d_get_perspective(SP_BOX3D(item)))), _doc, _defs);
627 }
628 // Copy text paths
629 if (SP_IS_TEXT_TEXTPATH(item)) {
630 _copyTextPath(SP_TEXTPATH(sp_object_first_child(SP_OBJECT(item))));
631 }
632 // Copy clipping objects
633 if (item->clip_ref->getObject()) {
634 _copyNode(SP_OBJECT_REPR(item->clip_ref->getObject()), _doc, _defs);
635 }
636 // Copy mask objects
637 if (item->mask_ref->getObject()) {
638 SPObject *mask = item->mask_ref->getObject();
639 _copyNode(SP_OBJECT_REPR(mask), _doc, _defs);
640 // recurse into the mask for its gradients etc.
641 for (SPObject *o = SP_OBJECT(mask)->children ; o != NULL ; o = o->next) {
642 if (SP_IS_ITEM(o))
643 _copyUsedDefs(SP_ITEM(o));
644 }
645 }
646 // Copy filters
647 if (style->getFilter()) {
648 SPObject *filter = style->getFilter();
649 if (SP_IS_FILTER(filter)) {
650 _copyNode(SP_OBJECT_REPR(filter), _doc, _defs);
651 }
652 }
654 // recurse
655 for (SPObject *o = SP_OBJECT(item)->children ; o != NULL ; o = o->next) {
656 if (SP_IS_ITEM(o))
657 _copyUsedDefs(SP_ITEM(o));
658 }
659 }
662 /**
663 * @brief Copy a single gradient to the clipboard's defs element
664 */
665 void ClipboardManagerImpl::_copyGradient(SPGradient *gradient)
666 {
667 while (gradient) {
668 // climb up the refs, copying each one in the chain
669 _copyNode(SP_OBJECT_REPR(gradient), _doc, _defs);
670 gradient = gradient->ref->getObject();
671 }
672 }
675 /**
676 * @brief Copy a single pattern to the clipboard document's defs element
677 */
678 void ClipboardManagerImpl::_copyPattern(SPPattern *pattern)
679 {
680 // climb up the references, copying each one in the chain
681 while (pattern) {
682 _copyNode(SP_OBJECT_REPR(pattern), _doc, _defs);
684 // items in the pattern may also use gradients and other patterns, so recurse
685 for (SPObject *child = sp_object_first_child(SP_OBJECT(pattern)) ; child != NULL ; child = SP_OBJECT_NEXT(child) ) {
686 if (!SP_IS_ITEM (child)) continue;
687 _copyUsedDefs(SP_ITEM(child));
688 }
689 pattern = pattern->ref->getObject();
690 }
691 }
694 /**
695 * @brief Copy a text path to the clipboard's defs element
696 */
697 void ClipboardManagerImpl::_copyTextPath(SPTextPath *tp)
698 {
699 SPItem *path = sp_textpath_get_path_item(tp);
700 if(!path) return;
701 Inkscape::XML::Node *path_node = SP_OBJECT_REPR(path);
703 // Do not copy the text path to defs if it's already copied
704 if(sp_repr_lookup_child(_root, "id", path_node->attribute("id"))) return;
705 _copyNode(path_node, _doc, _defs);
706 }
709 /**
710 * @brief Copy a single XML node from one document to another
711 * @param node The node to be copied
712 * @param target_doc The document to which the node is to be copied
713 * @param parent The node in the target document which will become the parent of the copied node
714 * @return Pointer to the copied node
715 */
716 Inkscape::XML::Node *ClipboardManagerImpl::_copyNode(Inkscape::XML::Node *node, Inkscape::XML::Document *target_doc, Inkscape::XML::Node *parent)
717 {
718 Inkscape::XML::Node *dup = node->duplicate(target_doc);
719 parent->appendChild(dup);
720 Inkscape::GC::release(dup);
721 return dup;
722 }
725 /**
726 * @brief Paste the contents of a document into the active desktop
727 * @param clipdoc The document to paste
728 * @param in_place Whether to paste the selection where it was when copied
729 * @pre @c clipdoc is not empty and items can be added to the current layer
730 */
731 void ClipboardManagerImpl::_pasteDocument(SPDocument *clipdoc, bool in_place)
732 {
733 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
734 SPDocument *target_document = sp_desktop_document(desktop);
735 Inkscape::XML::Node
736 *root = sp_document_repr_root(clipdoc),
737 *target_parent = SP_OBJECT_REPR(desktop->currentLayer());
738 Inkscape::XML::Document *target_xmldoc = sp_document_repr_doc(target_document);
740 // copy definitions
741 _pasteDefs(clipdoc);
743 // copy objects
744 GSList *pasted_objects = NULL;
745 for (Inkscape::XML::Node *obj = root->firstChild() ; obj ; obj = obj->next()) {
746 // Don't copy metadata, defs, named views and internal clipboard contents to the document
747 if (!strcmp(obj->name(), "svg:defs")) continue;
748 if (!strcmp(obj->name(), "svg:metadata")) continue;
749 if (!strcmp(obj->name(), "sodipodi:namedview")) continue;
750 if (!strcmp(obj->name(), "inkscape:clipboard")) continue;
751 Inkscape::XML::Node *obj_copy = _copyNode(obj, target_xmldoc, target_parent);
752 pasted_objects = g_slist_prepend(pasted_objects, (gpointer) obj_copy);
753 }
755 Inkscape::Selection *selection = sp_desktop_selection(desktop);
756 selection->setReprList(pasted_objects);
758 // move the selection to the right position
759 if(in_place)
760 {
761 Inkscape::XML::Node *clipnode = sp_repr_lookup_name(root, "inkscape:clipboard", 1);
762 if (clipnode) {
763 Geom::Point min, max;
764 sp_repr_get_point(clipnode, "min", &min);
765 sp_repr_get_point(clipnode, "max", &max);
767 // this formula was discovered empyrically
768 min[Geom::Y] += ((max[Geom::Y] - min[Geom::Y]) - sp_document_height(target_document));
769 sp_selection_move_relative(selection, NR::Point(min));
770 }
771 }
772 // copied from former sp_selection_paste in selection-chemistry.cpp
773 else {
774 sp_document_ensure_up_to_date(target_document);
775 NR::Maybe<NR::Rect> sel_size = selection->bounds();
777 NR::Point m( desktop->point() );
778 if (sel_size) {
779 m -= sel_size->midpoint();
780 }
781 sp_selection_move_relative(selection, m);
782 }
784 g_slist_free(pasted_objects);
785 }
788 /**
789 * @brief Paste SVG defs from the document retrieved from the clipboard into the active document
790 * @param clipdoc The document to paste
791 * @pre @c clipdoc != NULL and pasting into the active document is possible
792 */
793 void ClipboardManagerImpl::_pasteDefs(SPDocument *clipdoc)
794 {
795 // boilerplate vars copied from _pasteDocument
796 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
797 SPDocument *target_document = sp_desktop_document(desktop);
798 Inkscape::XML::Node
799 *root = sp_document_repr_root(clipdoc),
800 *defs = sp_repr_lookup_name(root, "svg:defs", 1),
801 *target_defs = SP_OBJECT_REPR(SP_DOCUMENT_DEFS(target_document));
802 Inkscape::XML::Document *target_xmldoc = sp_document_repr_doc(target_document);
804 prevent_id_clashes(clipdoc, target_document);
806 for (Inkscape::XML::Node *def = defs->firstChild() ; def ; def = def->next()) {
807 _copyNode(def, target_xmldoc, target_defs);
808 }
809 }
812 /**
813 * @brief Retrieve a bitmap image from the clipboard and paste it into the active document
814 */
815 bool ClipboardManagerImpl::_pasteImage()
816 {
817 SPDocument *doc = SP_ACTIVE_DOCUMENT;
818 if ( doc == NULL ) return false;
820 // retrieve image data
821 Glib::RefPtr<Gdk::Pixbuf> img = _clipboard->wait_for_image();
822 if (!img) return false;
824 // Very stupid hack: Write into a file, then import the file into the document.
825 // To avoid using tmpfile and POSIX file handles, make the filename based on current time.
826 // This wasn't my idea, I just copied this from selection-chemistry.cpp
827 // and just can't think of something saner at the moment. Pasting more than
828 // one image per second will overwrite the image.
829 // However, I don't think anyone is able to copy a _different_ image into inkscape
830 // in 1 second.
831 time_t rawtime;
832 char image_filename[128];
833 gchar const *save_folder;
835 time(&rawtime);
836 strftime(image_filename, 128, "inkscape_pasted_image_%Y%m%d_%H%M%S.png", localtime( &rawtime ));
837 save_folder = (gchar const *) prefs_get_string_attribute("dialogs.save_as", "path");
839 gchar *image_path = g_build_filename(save_folder, image_filename, NULL);
840 img->save(image_path, "png");
841 file_import(doc, image_path, NULL);
842 g_free(image_path);
844 return true;
845 }
847 /**
848 * @brief Paste text into the selected text object or create a new one to hold it
849 */
850 bool ClipboardManagerImpl::_pasteText()
851 {
852 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
853 if ( desktop == NULL ) return false;
855 // if the text editing tool is active, paste the text into the active text object
856 if (tools_isactive(desktop, TOOLS_TEXT))
857 return sp_text_paste_inline(desktop->event_context);
859 // try to parse the text as a color and, if successful, apply it as the current style
860 SPCSSAttr *css = _parseColor(_clipboard->wait_for_text());
861 if (css) {
862 sp_desktop_set_style(desktop, css);
863 return true;
864 }
866 return false;
867 }
870 /**
871 * @brief Attempt to parse the passed string as a hexadecimal RGB or RGBA color
872 * @param text The Glib::ustring to parse
873 * @return New CSS style representation if the parsing was successful, NULL otherwise
874 */
875 SPCSSAttr *ClipboardManagerImpl::_parseColor(const Glib::ustring &text)
876 {
877 Glib::ustring::size_type len = text.bytes();
878 char *str = const_cast<char *>(text.data());
879 bool attempt_alpha = false;
880 if ( !str || ( *str == '\0' ) ) return NULL; // this is OK due to boolean short-circuit
882 // those conditionals guard against parsing e.g. the string "fab" as "fab000"
883 // (incomplete color) and "45fab71" as "45fab710" (incomplete alpha)
884 if ( *str == '#' ) {
885 if ( len < 7 ) return NULL;
886 if ( len >= 9 ) attempt_alpha = true;
887 } else {
888 if ( len < 6 ) return NULL;
889 if ( len >= 8 ) attempt_alpha = true;
890 }
892 unsigned int color = 0, alpha = 0xff;
894 // skip a leading #, if present
895 if ( *str == '#' ) ++str;
897 // try to parse first 6 digits
898 int res = sscanf(str, "%6x", &color);
899 if ( res && ( res != EOF ) ) {
900 if (attempt_alpha) {// try to parse alpha if there's enough characters
901 sscanf(str + 6, "%2x", &alpha);
902 if ( !res || res == EOF ) alpha = 0xff;
903 }
905 SPCSSAttr *color_css = sp_repr_css_attr_new();
907 // print and set properties
908 gchar color_str[16];
909 g_snprintf(color_str, 16, "#%06x", color);
910 sp_repr_css_set_property(color_css, "fill", color_str);
912 float opacity = static_cast<float>(alpha)/static_cast<float>(0xff);
913 if (opacity > 1.0) opacity = 1.0; // safeguard
914 Inkscape::CSSOStringStream opcss;
915 opcss << opacity;
916 sp_repr_css_set_property(color_css, "fill-opacity", opcss.str().data());
917 return color_css;
918 }
919 return NULL;
920 }
923 /**
924 * @brief Applies a pasted path effect to a given item
925 */
926 void ClipboardManagerImpl::_applyPathEffect(SPItem *item, gchar const *effect)
927 {
928 if ( item == NULL ) return;
929 if ( SP_IS_RECT(item) ) return;
931 if (SP_IS_LPE_ITEM(item))
932 {
933 SPLPEItem *lpeitem = SP_LPE_ITEM(item);
934 SPObject *obj = sp_uri_reference_resolve(_clipboardSPDoc, effect);
935 if (!obj) return;
936 // if the effect is not used by anyone, we might as well take it
937 LivePathEffectObject *lpeobj = LIVEPATHEFFECT(obj)->fork_private_if_necessary(1);
938 sp_lpe_item_add_path_effect(lpeitem, lpeobj);
939 }
940 }
943 /**
944 * @brief Retrieve the clipboard contents as a document
945 * @return Clipboard contents converted to SPDocument, or NULL if no suitable content was present
946 */
947 SPDocument *ClipboardManagerImpl::_retrieveClipboard(Glib::ustring required_target)
948 {
949 Glib::ustring best_target;
950 if ( required_target == "" )
951 best_target = _getBestTarget();
952 else
953 best_target = required_target;
955 if ( best_target == "" ) {
956 return NULL;
957 }
959 // FIXME: Temporary hack until we add memory input.
960 // Save the clipboard contents to some file, then read it
961 gchar *filename = g_build_filename( g_get_tmp_dir(), "inkscape-clipboard-import", NULL );
963 bool file_saved = false;
964 Glib::ustring target = best_target;
966 #ifdef WIN32
967 if (best_target == CLIPBOARD_WIN32_EMF_TARGET)
968 { // Try to save clipboard data as en emf file (using win32 api)
969 if (OpenClipboard(NULL)) {
970 HGLOBAL hglb = GetClipboardData(CF_ENHMETAFILE);
971 if (hglb) {
972 HENHMETAFILE hemf = CopyEnhMetaFile((HENHMETAFILE) hglb, filename);
973 if (hemf) {
974 file_saved = true;
975 target = CLIPBOARD_WIN32_EMF_MIME;
976 DeleteEnhMetaFile(hemf);
977 }
978 }
979 CloseClipboard();
980 }
981 }
982 #endif
984 if (!file_saved) {
985 if ( !_clipboard->wait_is_target_available(best_target) ) {
986 return NULL;
987 }
989 // doing this synchronously makes better sense
990 // TODO: use another method because this one is badly broken imo.
991 // from documentation: "Returns: A SelectionData object, which will be invalid if retrieving the given target failed."
992 // I don't know how to check whether an object is 'valid' or not, unusable if that's not possible...
993 Gtk::SelectionData sel = _clipboard->wait_for_contents(best_target);
994 target = sel.get_target(); // this can crash if the result was invalid of last function. No way to check for this :(
996 // FIXME: Temporary hack until we add memory input.
997 // Save the clipboard contents to some file, then read it
998 g_file_set_contents(filename, (const gchar *) sel.get_data(), sel.get_length(), NULL);
999 }
1001 // there is no specific plain SVG input extension, so if we can paste the Inkscape SVG format,
1002 // we use the image/svg+xml mimetype to look up the input extension
1003 if(target == "image/x-inkscape-svg")
1004 target = "image/svg+xml";
1006 Inkscape::Extension::DB::InputList inlist;
1007 Inkscape::Extension::db.get_input_list(inlist);
1008 Inkscape::Extension::DB::InputList::const_iterator in = inlist.begin();
1009 for (; in != inlist.end() && target != (*in)->get_mimetype() ; ++in);
1010 if ( in == inlist.end() )
1011 return NULL; // this shouldn't happen unless _getBestTarget returns something bogus
1013 SPDocument *tempdoc = NULL;
1014 try {
1015 tempdoc = (*in)->open(filename);
1016 } catch (...) {
1017 }
1018 g_unlink(filename);
1019 g_free(filename);
1021 return tempdoc;
1022 }
1025 /**
1026 * @brief Callback called when some other application requests data from Inkscape
1027 *
1028 * Finds a suitable output extension to save the internal clipboard document,
1029 * then saves it to memory and sets the clipboard contents.
1030 */
1031 void ClipboardManagerImpl::_onGet(Gtk::SelectionData &sel, guint /*info*/)
1032 {
1033 g_assert( _clipboardSPDoc != NULL );
1035 const Glib::ustring target = sel.get_target();
1036 if(target == "") return; // this shouldn't happen
1038 Inkscape::Extension::DB::OutputList outlist;
1039 Inkscape::Extension::db.get_output_list(outlist);
1040 Inkscape::Extension::DB::OutputList::const_iterator out = outlist.begin();
1041 for ( ; out != outlist.end() && target != (*out)->get_mimetype() ; ++out);
1042 if ( out == outlist.end() && target != "image/png") return; // this also shouldn't happen
1044 // FIXME: Temporary hack until we add support for memory output.
1045 // Save to a temporary file, read it back and then set the clipboard contents
1046 gchar *filename = g_build_filename( g_get_tmp_dir(), "inkscape-clipboard-export", NULL );
1047 gsize len; gchar *data;
1049 try {
1050 if (out == outlist.end() && target == "image/png")
1051 {
1052 NRRect area;
1053 gdouble dpi = PX_PER_IN;
1054 guint32 bgcolor = 0x00000000;
1056 area.x0 = SP_ROOT(_clipboardSPDoc->root)->x.computed;
1057 area.y0 = SP_ROOT(_clipboardSPDoc->root)->y.computed;
1058 area.x1 = area.x0 + sp_document_width (_clipboardSPDoc);
1059 area.y1 = area.y0 + sp_document_height (_clipboardSPDoc);
1061 unsigned long int width = (unsigned long int) ((area.x1 - area.x0) * dpi / PX_PER_IN + 0.5);
1062 unsigned long int height = (unsigned long int) ((area.y1 - area.y0) * dpi / PX_PER_IN + 0.5);
1064 // read from namedview
1065 Inkscape::XML::Node *nv = sp_repr_lookup_name (_clipboardSPDoc->rroot, "sodipodi:namedview");
1066 if (nv && nv->attribute("pagecolor"))
1067 bgcolor = sp_svg_read_color(nv->attribute("pagecolor"), 0xffffff00);
1068 if (nv && nv->attribute("inkscape:pageopacity"))
1069 bgcolor |= SP_COLOR_F_TO_U(sp_repr_get_double_attribute (nv, "inkscape:pageopacity", 1.0));
1071 sp_export_png_file(_clipboardSPDoc, filename, area.x0, area.y0, area.x1, area.y1, width, height, dpi, dpi, bgcolor, NULL, NULL, true, NULL);
1072 }
1073 else
1074 {
1075 (*out)->save(_clipboardSPDoc, filename);
1076 }
1077 g_file_get_contents(filename, &data, &len, NULL);
1079 sel.set(8, (guint8 const *) data, len);
1080 } catch (...) {
1081 }
1083 g_unlink(filename); // delete the temporary file
1084 g_free(filename);
1085 }
1088 /**
1089 * @brief Callback when someone else takes the clipboard
1090 *
1091 * When the clipboard owner changes, this callback clears the internal clipboard document
1092 * to reduce memory usage.
1093 */
1094 void ClipboardManagerImpl::_onClear()
1095 {
1096 // why is this called before _onGet???
1097 //_discardInternalClipboard();
1098 }
1101 /**
1102 * @brief Creates an internal clipboard document from scratch
1103 */
1104 void ClipboardManagerImpl::_createInternalClipboard()
1105 {
1106 if ( _clipboardSPDoc == NULL ) {
1107 _clipboardSPDoc = sp_document_new(NULL, false, true);
1108 //g_assert( _clipboardSPDoc != NULL );
1109 _defs = SP_OBJECT_REPR(SP_DOCUMENT_DEFS(_clipboardSPDoc));
1110 _doc = sp_document_repr_doc(_clipboardSPDoc);
1111 _root = sp_document_repr_root(_clipboardSPDoc);
1113 _clipnode = _doc->createElement("inkscape:clipboard");
1114 _root->appendChild(_clipnode);
1115 Inkscape::GC::release(_clipnode);
1116 }
1117 }
1120 /**
1121 * @brief Deletes the internal clipboard document
1122 */
1123 void ClipboardManagerImpl::_discardInternalClipboard()
1124 {
1125 if ( _clipboardSPDoc != NULL ) {
1126 sp_document_unref(_clipboardSPDoc);
1127 _clipboardSPDoc = NULL;
1128 _defs = NULL;
1129 _doc = NULL;
1130 _root = NULL;
1131 _clipnode = NULL;
1132 }
1133 }
1136 /**
1137 * @brief Get the scale to resize an item, based on the command and desktop state
1138 */
1139 NR::scale ClipboardManagerImpl::_getScale(Geom::Point &min, Geom::Point &max, NR::Rect &obj_rect, bool apply_x, bool apply_y)
1140 {
1141 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1142 double scale_x = 1.0;
1143 double scale_y = 1.0;
1145 if (apply_x) {
1146 scale_x = (max[Geom::X] - min[Geom::X]) / obj_rect.extent(NR::X);
1147 }
1148 if (apply_y) {
1149 scale_y = (max[Geom::Y] - min[Geom::Y]) / obj_rect.extent(NR::Y);
1150 }
1151 // If the "lock aspect ratio" button is pressed and we paste only a single coordinate,
1152 // resize the second one by the same ratio too
1153 if (desktop->isToolboxButtonActive("lock")) {
1154 if (apply_x && !apply_y) scale_y = scale_x;
1155 if (apply_y && !apply_x) scale_x = scale_y;
1156 }
1158 return NR::scale(scale_x, scale_y);
1159 }
1162 /**
1163 * @brief Find the most suitable clipboard target
1164 */
1165 Glib::ustring ClipboardManagerImpl::_getBestTarget()
1166 {
1167 std::list<Glib::ustring> targets = _clipboard->wait_for_targets();
1169 // clipboard target debugging snippet
1170 /*
1171 g_debug("Begin clipboard targets");
1172 for ( std::list<Glib::ustring>::iterator x = targets.begin() ; x != targets.end(); ++x )
1173 g_debug("Clipboard target: %s", (*x).data());
1174 g_debug("End clipboard targets\n");
1175 //*/
1177 for(std::list<Glib::ustring>::iterator i = _preferred_targets.begin() ;
1178 i != _preferred_targets.end() ; ++i)
1179 {
1180 if ( std::find(targets.begin(), targets.end(), *i) != targets.end() )
1181 return *i;
1182 }
1183 #ifdef WIN32
1184 if (OpenClipboard(NULL))
1185 { // If both bitmap and metafile are present, pick the one that was exported first.
1186 UINT format = EnumClipboardFormats(0);
1187 while (format) {
1188 if (format == CF_ENHMETAFILE || format == CF_DIB || format == CF_BITMAP)
1189 break;
1190 format = EnumClipboardFormats(format);
1191 }
1192 CloseClipboard();
1194 if (format == CF_ENHMETAFILE)
1195 return CLIPBOARD_WIN32_EMF_TARGET;
1196 if (format == CF_DIB || format == CF_BITMAP)
1197 return CLIPBOARD_GDK_PIXBUF_TARGET;
1198 }
1200 if (IsClipboardFormatAvailable(CF_ENHMETAFILE))
1201 return CLIPBOARD_WIN32_EMF_TARGET;
1202 #endif
1203 if (_clipboard->wait_is_image_available())
1204 return CLIPBOARD_GDK_PIXBUF_TARGET;
1205 if (_clipboard->wait_is_text_available())
1206 return CLIPBOARD_TEXT_TARGET;
1208 return "";
1209 }
1212 /**
1213 * @brief Set the clipboard targets to reflect the mimetypes Inkscape can output
1214 */
1215 void ClipboardManagerImpl::_setClipboardTargets()
1216 {
1217 Inkscape::Extension::DB::OutputList outlist;
1218 Inkscape::Extension::db.get_output_list(outlist);
1219 std::list<Gtk::TargetEntry> target_list;
1220 for (Inkscape::Extension::DB::OutputList::const_iterator out = outlist.begin() ; out != outlist.end() ; ++out) {
1221 target_list.push_back(Gtk::TargetEntry( (*out)->get_mimetype() ));
1222 }
1224 // Add PNG export explicitly since there is no extension for this...
1225 // On Windows, GTK will also present this as a CF_DIB/CF_BITMAP
1226 target_list.push_back(Gtk::TargetEntry( "image/png" ));
1228 _clipboard->set(target_list,
1229 sigc::mem_fun(*this, &ClipboardManagerImpl::_onGet),
1230 sigc::mem_fun(*this, &ClipboardManagerImpl::_onClear));
1232 #ifdef WIN32
1233 // If the "image/x-emf" target handled by the emf extension would be
1234 // presented as a CF_ENHMETAFILE automatically (just like an "image/bmp"
1235 // is presented as a CF_BITMAP) this code would not be needed.. ???
1236 // Or maybe there is some other way to achieve the same?
1238 // Note: Metafile is the only format that is rendered and stored in clipboard
1239 // on Copy, all other formats are rendered only when needed by a Paste command.
1241 // FIXME: This should at least be rewritten to use "delayed rendering".
1242 // If possible make it delayed rendering by using GTK API only.
1244 if (OpenClipboard(NULL)) {
1245 if ( _clipboardSPDoc != NULL ) {
1246 const Glib::ustring target = CLIPBOARD_WIN32_EMF_MIME;
1248 Inkscape::Extension::DB::OutputList outlist;
1249 Inkscape::Extension::db.get_output_list(outlist);
1250 Inkscape::Extension::DB::OutputList::const_iterator out = outlist.begin();
1251 for ( ; out != outlist.end() && target != (*out)->get_mimetype() ; ++out);
1252 if ( out != outlist.end() ) {
1253 // FIXME: Temporary hack until we add support for memory output.
1254 // Save to a temporary file, read it back and then set the clipboard contents
1255 gchar *filename = g_build_filename( g_get_tmp_dir(), "inkscape-clipboard-export.emf", NULL );
1257 try {
1258 (*out)->save(_clipboardSPDoc, filename);
1259 HENHMETAFILE hemf = GetEnhMetaFileA(filename);
1260 if (hemf) {
1261 SetClipboardData(CF_ENHMETAFILE, hemf);
1262 DeleteEnhMetaFile(hemf);
1263 }
1264 } catch (...) {
1265 }
1266 g_unlink(filename); // delete the temporary file
1267 g_free(filename);
1268 }
1269 }
1270 CloseClipboard();
1271 }
1272 #endif
1273 }
1276 /**
1277 * @brief Set the string representation of a 32-bit RGBA color as the clipboard contents
1278 */
1279 void ClipboardManagerImpl::_setClipboardColor(guint32 color)
1280 {
1281 gchar colorstr[16];
1282 g_snprintf(colorstr, 16, "%08x", color);
1283 _clipboard->set_text(colorstr);
1284 }
1287 /**
1288 * @brief Put a notification on the mesage stack
1289 */
1290 void ClipboardManagerImpl::_userWarn(SPDesktop *desktop, char const *msg)
1291 {
1292 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, msg);
1293 }
1297 /* #######################################
1298 ClipboardManager class
1299 ####################################### */
1301 ClipboardManager *ClipboardManager::_instance = NULL;
1303 ClipboardManager::ClipboardManager() {}
1304 ClipboardManager::~ClipboardManager() {}
1305 ClipboardManager *ClipboardManager::get()
1306 {
1307 if ( _instance == NULL )
1308 _instance = new ClipboardManagerImpl;
1309 return _instance;
1310 }
1312 } // namespace Inkscape
1313 } // namespace IO
1315 /*
1316 Local Variables:
1317 mode:c++
1318 c-file-style:"stroustrup"
1319 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1320 indent-tabs-mode:nil
1321 fill-column:99
1322 End:
1323 */
1324 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :