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#define INKSCAPE_LIVEPATHEFFECT_PARAMETER_PATH_CPP
/*
* Copyright (C) Johan Engelen 2007 <j.b.c.engelen@utwente.nl>
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#include "live_effects/parameter/path.h"
#include "live_effects/effect.h"
#include "live_effects/n-art-bpath-2geom.h"
#include "svg/svg.h"
#include <2geom/svg-path-parser.h>
#include <2geom/sbasis-to-bezier.h>
#include <2geom/d2.h>
#include "ui/widget/point.h"
#include "widgets/icon.h"
#include <gtk/gtkstock.h>
#include "selection-chemistry.h"
#include "desktop.h"
#include "inkscape.h"
#include "message-stack.h"
#include "verbs.h"
#include "document.h"
// needed for on-canvas editting:
#include "tools-switch.h"
#include "shape-editor.h"
#include "node-context.h"
#include "desktop-handles.h"
#include "selection.h"
#include "nodepath.h"
namespace Inkscape {
namespace LivePathEffect {
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)
{
defvalue = g_strdup(default_value);
param_readSVGValue(defvalue);
oncanvas_editable = true;
}
PathParam::~PathParam()
{
g_free(defvalue);
}
void
PathParam::param_set_default()
{
param_readSVGValue(defvalue);
}
void
PathParam::param_set_and_write_default()
{
param_write_to_repr(defvalue);
}
bool
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() );
}
*( dynamic_cast<Geom::Piecewise<Geom::D2<Geom::SBasis> > *> (this) ) = newpath;
signal_path_changed.emit();
return true;
}
return false;
}
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;
}
Gtk::Widget *
PathParam::param_newWidget(Gtk::Tooltips * tooltips)
{
Gtk::HBox * _widget = Gtk::manage(new Gtk::HBox());
Gtk::Label* pLabel = Gtk::manage(new Gtk::Label(param_label));
static_cast<Gtk::HBox*>(_widget)->pack_start(*pLabel, true, true);
tooltips->set_tip(*pLabel, param_tooltip);
Gtk::Widget* pIcon = Gtk::manage( sp_icon_get_icon( "draw_node", Inkscape::ICON_SIZE_BUTTON) );
Gtk::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_edit_button_click));
static_cast<Gtk::HBox*>(_widget)->pack_start(*pButton, true, true);
tooltips->set_tip(*pButton, _("Edit on-canvas"));
pIcon = Gtk::manage( sp_icon_get_icon( GTK_STOCK_COPY, 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_copy_button_click));
static_cast<Gtk::HBox*>(_widget)->pack_start(*pButton, true, true);
tooltips->set_tip(*pButton, _("Copy path"));
pIcon = Gtk::manage( sp_icon_get_icon( GTK_STOCK_PASTE, 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_paste_button_click));
static_cast<Gtk::HBox*>(_widget)->pack_start(*pButton, true, true);
tooltips->set_tip(*pButton, _("Paste path"));
static_cast<Gtk::HBox*>(_widget)->show_all_children();
return dynamic_cast<Gtk::Widget *> (_widget);
}
void
PathParam::param_editOncanvas(SPItem * item, SPDesktop * dt)
{
// If not already in nodecontext, goto it!
if (!tools_isactive(dt, TOOLS_NODES)) {
tools_switch_current(TOOLS_NODES);
}
ShapeEditor * shape_editor = SP_NODE_CONTEXT( dt->event_context )->shape_editor;
shape_editor->set_item_livepatheffect_parameter(item, SP_OBJECT(param_effect->getLPEObj()), param_key.c_str());
}
void
PathParam::param_setup_nodepath(Inkscape::NodePath::Path *np)
{
np->show_helperpath = true;
np->helperpath_rgba = 0x009000ff;
np->helperpath_width = 1.0;
}
void
PathParam::param_transform_multiply(Geom::Matrix const& postmul, bool /*set*/)
{
param_set_and_write_new_value( (*this) * postmul );
}
void
PathParam::param_set_and_write_new_value (Geom::Piecewise<Geom::D2<Geom::SBasis> > newpath)
{
const std::vector<Geom::Path> temppath = Geom::path_from_piecewise(newpath, LPE_CONVERSION_TOLERANCE);
gchar * svgd = SVGD_from_2GeomPath( temppath );
param_write_to_repr(svgd);
g_free(svgd);
}
/* CALLBACK FUNCTIONS FOR THE BUTTONS */
void
PathParam::on_edit_button_click()
{
SPItem * item = sp_desktop_selection(SP_ACTIVE_DESKTOP)->singleItem();
if (item != NULL) {
param_editOncanvas(item, SP_ACTIVE_DESKTOP);
}
}
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."));
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;
}
}
void
PathParam::on_copy_button_click()
{
sp_selection_copy_lpe_pathparam(this);
}
} /* namespace LivePathEffect */
} /* namespace Inkscape */
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :
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