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/*
* Copyright (C) Maximilian Albert 2008 <maximilian.albert@gmail.com>
*
* Authors:
* Maximilian Albert
* Johan Engelen
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#include "ui/widget/registered-widget.h"
#include <glibmm/i18n.h>
#include "live_effects/parameter/text.h"
#include "live_effects/effect.h"
#include "svg/svg.h"
#include "svg/stringstream.h"
#include "widgets/icon.h"
#include "inkscape.h"
#include "verbs.h"
#include "display/canvas-text.h"
#include <2geom/sbasis-geometric.h>
namespace Inkscape {
namespace LivePathEffect {
TextParam::TextParam( const Glib::ustring& label, const Glib::ustring& tip,
const Glib::ustring& key, Inkscape::UI::Widget::Registry* wr,
Effect* effect, const Glib::ustring default_value )
: Parameter(label, tip, key, wr, effect),
value(default_value),
defvalue(default_value),
_hide_canvas_text(false)
{
if (SPDesktop *desktop = SP_ACTIVE_DESKTOP) { // FIXME: we shouldn't use this!
canvas_text = (SPCanvasText *) sp_canvastext_new(desktop->getTempGroup(), desktop, Geom::Point(0,0), "");
sp_canvastext_set_text (canvas_text, default_value.c_str());
sp_canvastext_set_coords (canvas_text, 0, 0);
} else {
_hide_canvas_text = true;
}
}
void
TextParam::param_set_default()
{
param_setValue(defvalue);
}
void
TextParam::param_update_default(const gchar * default_value)
{
defvalue = (Glib::ustring)default_value;
}
void
TextParam::param_hide_canvas_text()
{
if (!_hide_canvas_text) {
sp_canvastext_set_text(canvas_text, " ");
_hide_canvas_text = true;
}
}
void
TextParam::setPos(Geom::Point pos)
{
if (!_hide_canvas_text) {
sp_canvastext_set_coords (canvas_text, pos);
}
}
void
TextParam::setPosAndAnchor(const Geom::Piecewise<Geom::D2<Geom::SBasis> > &pwd2,
const double t, const double length, bool /*use_curvature*/)
{
using namespace Geom;
Piecewise<D2<SBasis> > pwd2_reparam = arc_length_parametrization(pwd2, 2 , 0.1);
double t_reparam = pwd2_reparam.cuts.back() * t;
Point pos = pwd2_reparam.valueAt(t_reparam);
Point dir = unit_vector(derivative(pwd2_reparam).valueAt(t_reparam));
Point n = -rot90(dir);
double angle = Geom::angle_between(dir, Point(1,0));
if (!_hide_canvas_text) {
sp_canvastext_set_coords(canvas_text, pos + n * length);
sp_canvastext_set_anchor_manually(canvas_text, std::sin(angle), -std::cos(angle));
}
}
void
TextParam::setAnchor(double x_value, double y_value)
{
anchor_x = x_value;
anchor_y = y_value;
if (!_hide_canvas_text) {
sp_canvastext_set_anchor_manually (canvas_text, anchor_x, anchor_y);
}
}
bool
TextParam::param_readSVGValue(const gchar * strvalue)
{
param_setValue(strvalue);
return true;
}
gchar *
TextParam::param_getSVGValue() const
{
Inkscape::SVGOStringStream os;
os << value;
gchar * str = g_strdup(os.str().c_str());
return str;
}
Gtk::Widget *
TextParam::param_newWidget()
{
Inkscape::UI::Widget::RegisteredText *rsu = Gtk::manage(new Inkscape::UI::Widget::RegisteredText(
param_label, param_tooltip, param_key, *param_wr, param_effect->getRepr(), param_effect->getSPDoc()));
rsu->setText(value);
rsu->setProgrammatically = false;
rsu->set_undo_parameters(SP_VERB_DIALOG_LIVE_PATH_EFFECT, _("Change text parameter"));
return dynamic_cast<Gtk::Widget *> (rsu);
}
void
TextParam::param_setValue(const Glib::ustring newvalue)
{
if (value != newvalue) {
param_effect->upd_params = true;
}
value = newvalue;
if (!_hide_canvas_text) {
sp_canvastext_set_text (canvas_text, newvalue.c_str());
}
}
} /* 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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