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index ded004eee7da9ba07709285b17675604b535a7fa..429cf82d1a78d672eb04d346208001d92b5f4eff 100644 (file)
#include "live_effects/parameter/path.h"
#include "live_effects/effect.h"
-#include "live_effects/n-art-bpath-2geom.h"
+#include "libnr/n-art-bpath-2geom.h"
#include "svg/svg.h"
#include <2geom/svg-path-parser.h>
#include <2geom/sbasis-to-bezier.h>
#include "desktop-handles.h"
#include "selection.h"
#include "nodepath.h"
+// clipboard support
+#include "ui/clipboard.h"
+// required for linking to other paths
+#include "uri.h"
+#include "sp-shape.h"
+#include "sp-text.h"
+#include "display/curve.h"
+
namespace Inkscape {
PathParam::PathParam( const Glib::ustring& label, const Glib::ustring& tip,
const Glib::ustring& key, Inkscape::UI::Widget::Registry* wr,
Effect* effect, const gchar * default_value)
- : Parameter(label, tip, key, wr, effect)
+ : Parameter(label, tip, key, wr, effect),
+ _pathvector(),
+ _pwd2(),
+ must_recalculate_pwd2(false),
+ href(NULL),
+ ref( (SPObject*)effect->getLPEObj() )
{
defvalue = g_strdup(default_value);
param_readSVGValue(defvalue);
oncanvas_editable = true;
+
+ ref_changed_connection = ref.changedSignal().connect(sigc::mem_fun(*this, &PathParam::ref_changed));
}
PathParam::~PathParam()
{
+ remove_link();
+
g_free(defvalue);
}
+std::vector<Geom::Path> const &
+PathParam::get_pathvector()
+{
+ return _pathvector;
+}
+
+Geom::Piecewise<Geom::D2<Geom::SBasis> > const &
+PathParam::get_pwd2()
+{
+ ensure_pwd2();
+ return _pwd2;
+}
+
void
PathParam::param_set_default()
{
PathParam::param_readSVGValue(const gchar * strvalue)
{
if (strvalue) {
- Geom::Piecewise<Geom::D2<Geom::SBasis> > newpath;
- std::vector<Geom::Path> temppath = SVGD_to_2GeomPath(strvalue);
- for (unsigned int i=0; i < temppath.size(); i++) {
- newpath.concat( temppath[i].toPwSb() );
+ _pathvector.clear();
+ remove_link();
+ must_recalculate_pwd2 = true;
+
+ if (strvalue[0] == '#') {
+ if (href)
+ g_free(href);
+ href = g_strdup(strvalue);
+
+ // Now do the attaching, which emits the changed signal.
+ try {
+ ref.attach(Inkscape::URI(href));
+ } catch (Inkscape::BadURIException &e) {
+ g_warning("%s", e.what());
+ ref.detach();
+ _pathvector = SVGD_to_2GeomPath(defvalue);
+ }
+ } else {
+ _pathvector = SVGD_to_2GeomPath(strvalue);
}
- *( dynamic_cast<Geom::Piecewise<Geom::D2<Geom::SBasis> > *> (this) ) = newpath;
+
signal_path_changed.emit();
return true;
}
gchar *
PathParam::param_writeSVGValue() const
{
- const std::vector<Geom::Path> temppath =
- Geom::path_from_piecewise(* dynamic_cast<const Geom::Piecewise<Geom::D2<Geom::SBasis> > *> (this), LPE_CONVERSION_TOLERANCE);
- gchar * svgd = SVGD_from_2GeomPath( temppath );
- return svgd;
+ if (href) {
+ return href;
+ } else {
+ gchar * svgd = SVGD_from_2GeomPath( _pathvector );
+ return svgd;
+ }
}
Gtk::Widget *
static_cast<Gtk::HBox*>(_widget)->pack_start(*pButton, true, true);
tooltips->set_tip(*pButton, _("Paste path"));
+ pIcon = Gtk::manage( sp_icon_get_icon( "edit_clone", Inkscape::ICON_SIZE_BUTTON) );
+ pButton = Gtk::manage(new Gtk::Button());
+ pButton->set_relief(Gtk::RELIEF_NONE);
+ pIcon->show();
+ pButton->add(*pIcon);
+ pButton->show();
+ pButton->signal_clicked().connect(sigc::mem_fun(*this, &PathParam::on_link_button_click));
+ static_cast<Gtk::HBox*>(_widget)->pack_start(*pButton, true, true);
+ tooltips->set_tip(*pButton, _("Link to path"));
+
static_cast<Gtk::HBox*>(_widget)->show_all_children();
return dynamic_cast<Gtk::Widget *> (_widget);
}
ShapeEditor * shape_editor = SP_NODE_CONTEXT( dt->event_context )->shape_editor;
- shape_editor->set_item_lpe_path_parameter(item, SP_OBJECT(param_effect->getLPEObj()), param_key.c_str());
+ if (!href) {
+ shape_editor->set_item_lpe_path_parameter(item, SP_OBJECT(param_effect->getLPEObj()), param_key.c_str());
+ } else {
+ // set referred item for editing
+ shape_editor->set_item(ref.getObject());
+ }
}
void
void
PathParam::param_transform_multiply(Geom::Matrix const& postmul, bool /*set*/)
{
- param_set_and_write_new_value( (*this) * postmul );
+ if (!href) {
+ // TODO: recode this to apply transform to _pathvector instead?
+
+ // only apply transform when not referring to other path
+ ensure_pwd2();
+ param_set_and_write_new_value( _pwd2 * postmul );
+ }
+}
+
+void
+PathParam::param_set_and_write_new_value (Geom::Piecewise<Geom::D2<Geom::SBasis> > const & newpath)
+{
+ remove_link();
+ _pathvector = Geom::path_from_piecewise(newpath, LPE_CONVERSION_TOLERANCE);
+ gchar * svgd = SVGD_from_2GeomPath( _pathvector );
+ param_write_to_repr(svgd);
+ g_free(svgd);
+ // force value upon pwd2 and don't recalculate.
+ _pwd2 = newpath;
+ must_recalculate_pwd2 = false;
}
void
-PathParam::param_set_and_write_new_value (Geom::Piecewise<Geom::D2<Geom::SBasis> > newpath)
+PathParam::param_set_and_write_new_value (std::vector<Geom::Path> const & newpath)
{
- const std::vector<Geom::Path> temppath = Geom::path_from_piecewise(newpath, LPE_CONVERSION_TOLERANCE);
- gchar * svgd = SVGD_from_2GeomPath( temppath );
+ remove_link();
+ _pathvector = newpath;
+ must_recalculate_pwd2 = true;
+
+ gchar * svgd = SVGD_from_2GeomPath( _pathvector );
param_write_to_repr(svgd);
g_free(svgd);
}
+void
+PathParam::ensure_pwd2()
+{
+ if (must_recalculate_pwd2) {
+ _pwd2.clear();
+ for (unsigned int i=0; i < _pathvector.size(); i++) {
+ _pwd2.concat( _pathvector[i].toPwSb() );
+ }
+
+ must_recalculate_pwd2 = false;
+ }
+}
+
+void
+PathParam::start_listening(SPObject * to)
+{
+ if ( to == NULL ) {
+ return;
+ }
+ linked_delete_connection = to->connectDelete(sigc::mem_fun(*this, &PathParam::linked_delete));
+ linked_modified_connection = to->connectModified(sigc::mem_fun(*this, &PathParam::linked_modified));
+ linked_modified(to, SP_OBJECT_MODIFIED_FLAG); // simulate linked_modified signal, so that path data is updated
+}
+
+void
+PathParam::quit_listening(void)
+{
+ linked_modified_connection.disconnect();
+ linked_delete_connection.disconnect();
+}
+
+void
+PathParam::ref_changed(SPObject */*old_ref*/, SPObject *new_ref)
+{
+ quit_listening();
+ if ( new_ref ) {
+ start_listening(new_ref);
+ }
+}
+
+void
+PathParam::remove_link()
+{
+ if (href) {
+ ref.detach();
+ g_free(href);
+ href = NULL;
+ }
+}
+
+void
+PathParam::linked_delete(SPObject */*deleted*/)
+{
+ quit_listening();
+ remove_link();
+ param_set_and_write_new_value (_pathvector);
+}
+
+void
+PathParam::linked_modified(SPObject *linked_obj, guint /*flags*/)
+{
+ SPCurve *curve = NULL;
+ if (SP_IS_SHAPE(linked_obj)) {
+ curve = sp_shape_get_curve(SP_SHAPE(linked_obj));
+ }
+ if (SP_IS_TEXT(linked_obj)) {
+ curve = SP_TEXT(linked_obj)->getNormalizedBpath();
+ }
+
+ if (curve == NULL) {
+ // curve invalid, set default value
+ _pathvector = SVGD_to_2GeomPath(defvalue);
+ } else {
+ _pathvector = BPath_to_2GeomPath(SP_CURVE_BPATH(curve));
+ sp_curve_unref(curve);
+ }
+
+ must_recalculate_pwd2 = true;
+ signal_path_changed.emit();
+ SP_OBJECT(param_effect->getLPEObj())->requestModified(SP_OBJECT_MODIFIED_FLAG);
+}
+
/* CALLBACK FUNCTIONS FOR THE BUTTONS */
void
PathParam::on_edit_button_click()
void
PathParam::on_paste_button_click()
{
- // check if something is in the clipboard
- GSList * clipboard = sp_selection_get_clipboard();
- if (clipboard == NULL || clipboard->data == NULL) {
- SP_ACTIVE_DESKTOP->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing on the clipboard."));
+ Inkscape::UI::ClipboardManager *cm = Inkscape::UI::ClipboardManager::get();
+ Glib::ustring svgd = cm->getPathParameter();
+
+ if (svgd == "")
return;
- }
- Inkscape::XML::Node *repr = (Inkscape::XML::Node *) clipboard->data;
- if (!strcmp (repr->name(), "svg:path")) {
- const char * svgd = repr->attribute("d");
- if (svgd) {
- if (strchr(svgd,'A')) { // FIXME: temporary hack until 2Geom supports arcs in SVGD
- SP_ACTIVE_DESKTOP->messageStack()->flash( Inkscape::WARNING_MESSAGE,
- _("This effect does not support arcs yet, try to convert to path.") );
- return;
- } else {
- param_write_to_repr(svgd);
- signal_path_pasted.emit();
- sp_document_done(param_effect->getSPDoc(), SP_VERB_DIALOG_LIVE_PATH_EFFECT,
- _("Paste path parameter"));
- }
- }
- } else {
- SP_ACTIVE_DESKTOP->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Clipboard does not contain a path."));
- return;
- }
+ // remove possible link to path
+ remove_link();
+
+ param_write_to_repr(svgd.data());
+ signal_path_pasted.emit();
+ sp_document_done(param_effect->getSPDoc(), SP_VERB_DIALOG_LIVE_PATH_EFFECT,
+ _("Paste path parameter"));
}
void
PathParam::on_copy_button_click()
{
- sp_selection_copy_lpe_pathparam(this);
+ Inkscape::UI::ClipboardManager *cm = Inkscape::UI::ClipboardManager::get();
+ cm->copyPathParameter(this);
+}
+
+void
+PathParam::on_link_button_click()
+{
+ Inkscape::UI::ClipboardManager *cm = Inkscape::UI::ClipboardManager::get();
+ Glib::ustring pathid = cm->getShapeOrTextObjectId();
+
+ if (pathid == "") {
+ return;
+ }
+
+ // add '#' at start to make it an uri.
+ pathid.insert(pathid.begin(), '#');
+ if ( href && strcmp(pathid.c_str(), href) == 0 ) {
+ // no change, do nothing
+ return;
+ } else {
+ // TODO:
+ // check if id really exists in document, or only in clipboard document: if only in clipboard then invalid
+ // check if linking to object to which LPE is applied (maybe delegated to PathReference
+
+ param_write_to_repr(pathid.c_str());
+ sp_document_done(param_effect->getSPDoc(), SP_VERB_DIALOG_LIVE_PATH_EFFECT,
+ _("Link path parameter to path"));
+ }
}
} /* namespace LivePathEffect */