point.cpp revision c0cd5511d3b975ebe07d019c1f5528108725e438
#define INKSCAPE_LIVEPATHEFFECT_PARAMETER_POINT_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/point.h"
#include "live_effects/effect.h"
#include "svg/svg.h"
#include "svg/stringstream.h"
#include <gtkmm.h>
#include "ui/widget/point.h"
#include "widgets/icon.h"
#include "knot.h"
#include "inkscape.h"
#include "verbs.h"
#define noLPEPOINTPARAM_DEBUG
#define PRM_KNOT_COLOR_NORMAL 0xffffff00
#define PRM_KNOT_COLOR_SELECTED 0x0000ff00
namespace Inkscape {
namespace LivePathEffect {
PointParam::PointParam( const Glib::ustring& label, const Glib::ustring& tip,
const Glib::ustring& key, Inkscape::UI::Widget::Registry* wr,
Effect* effect, Geom::Point default_value )
: Geom::Point(default_value), Parameter(label, tip, key, wr, effect), defvalue(default_value)
{
_widget = NULL;
pointwdg = NULL;
knot = NULL;
_tooltips = NULL;
}
PointParam::~PointParam()
{
if (pointwdg)
delete pointwdg;
if (_tooltips)
delete _tooltips;
if (knot)
g_object_unref (G_OBJECT (knot));
}
void
PointParam::param_set_default()
{
param_setValue(defvalue);
}
bool
PointParam::param_readSVGValue(const gchar * strvalue)
{
gchar ** strarray = g_strsplit(strvalue, ",", 2);
double newx, newy;
unsigned int success = sp_svg_number_read_d(strarray[0], &newx);
success += sp_svg_number_read_d(strarray[1], &newy);
g_strfreev (strarray);
if (success == 2) {
param_setValue( Geom::Point(newx, newy) );
return true;
}
return false;
}
gchar *
PointParam::param_writeSVGValue() const
{
Inkscape::SVGOStringStream os;
os << (*this)[0] << "," << (*this)[1];
gchar * str = g_strdup(os.str().c_str());
return str;
}
Gtk::Widget *
PointParam::param_newWidget(Gtk::Tooltips * tooltips)
{
// WIDGET TODO: This implementation is incorrect, it should create a *new* widget for the caller, not just return an already created widget
g_warning("PointParam::param_newWidget still needs recoding to work with multiple document views");
if (!_widget) {
pointwdg = new Inkscape::UI::Widget::RegisteredPoint();
pointwdg->init(param_label, param_tooltip, param_key, *param_wr, param_effect->getRepr(), param_effect->getSPDoc());
pointwdg->setValue( (*this)[0], (*this)[1] );
pointwdg->set_undo_parameters(SP_VERB_DIALOG_LIVE_PATH_EFFECT, _("Change point parameter"));
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, &PointParam::on_button_click));
#ifndef LPEPOINTPARAM_DEBUG
pButton->set_sensitive(false);
#endif
_widget = Gtk::manage( new Gtk::HBox() );
static_cast<Gtk::HBox*>(_widget)->pack_start(*pButton, true, true);
static_cast<Gtk::HBox*>(_widget)->pack_start(*(pointwdg->getPoint()), true, true);
static_cast<Gtk::HBox*>(_widget)->show_all_children();
tooltips->set_tip(*pButton, _("Edit on-canvas"));
}
return dynamic_cast<Gtk::Widget *> (_widget);
}
void
PointParam::param_setValue(Geom::Point newpoint)
{
*dynamic_cast<Geom::Point *>( this ) = newpoint;
if (pointwdg)
pointwdg->setValue(newpoint[0], newpoint[1]);
}
void
PointParam::param_set_and_write_new_value (Geom::Point newpoint)
{
Inkscape::SVGOStringStream os;
os << newpoint[0] << "," << newpoint[1];
gchar * str = g_strdup(os.str().c_str());
param_write_to_repr(str);
g_free(str);
}
void
PointParam::param_transform_multiply(Geom::Matrix const& postmul, bool /*set*/)
{
param_set_and_write_new_value( (*this) * postmul );
}
// CALLBACKS:
void
PointParam::on_button_click()
{
g_message("add knot to canvas on correct location :S");
if (!knot) {
// create the knot
knot = sp_knot_new (SP_ACTIVE_DESKTOP, NULL);
knot->setMode(SP_KNOT_MODE_XOR);
knot->setFill(PRM_KNOT_COLOR_NORMAL, PRM_KNOT_COLOR_NORMAL, PRM_KNOT_COLOR_NORMAL);
knot->setStroke(0x000000ff, 0x000000ff, 0x000000ff);
sp_knot_update_ctrl(knot);
// move knot to the given point
sp_knot_set_position (knot, &NR::Point(*static_cast<Geom::Point*>(this)), SP_KNOT_STATE_NORMAL);
sp_knot_show (knot);
/*
// connect knot's signals
if ( (draggable) // it can be NULL if a node in unsnapped (eg. focus point unsnapped from center)
// luckily, midstops never snap to other nodes so are never unsnapped...
&& ( (draggable->point_type == POINT_LG_MID)
|| (draggable->point_type == POINT_RG_MID1)
|| (draggable->point_type == POINT_RG_MID2) ) )
{
this->handler_id = g_signal_connect (G_OBJECT (this->knot), "moved", G_CALLBACK (gr_knot_moved_midpoint_handler), this);
} else {
this->handler_id = g_signal_connect (G_OBJECT (this->knot), "moved", G_CALLBACK (gr_knot_moved_handler), this);
}
g_signal_connect (G_OBJECT (this->knot), "clicked", G_CALLBACK (gr_knot_clicked_handler), this);
g_signal_connect (G_OBJECT (this->knot), "doubleclicked", G_CALLBACK (gr_knot_doubleclicked_handler), this);
g_signal_connect (G_OBJECT (this->knot), "grabbed", G_CALLBACK (gr_knot_grabbed_handler), this);
g_signal_connect (G_OBJECT (this->knot), "ungrabbed", G_CALLBACK (gr_knot_ungrabbed_handler), 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 :