/* === S Y N F I G ========================================================= */
/*! \file state_smoothmove.cpp
** \brief Template File
**
** $Id$
**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
** Copyright (c) 2008 Chris Moore
** Copyright (c) 2009 Nikita Kitaev
** Copyright (c) 2010 Carlos López
**
** This package is free software; you can redistribute it and/or
** modify it under the terms of the GNU General Public License as
** published by the Free Software Foundation; either version 2 of
** the License, or (at your option) any later version.
**
** This package is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
** General Public License for more details.
** \endlegal
*/
/* ========================================================================= */
/* === H E A D E R S ======================================================= */
#ifdef USING_PCH
# include "pch.h"
#else
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <synfig/general.h>
#include <gtkmm/dialog.h>
#include <gtkmm/entry.h>
#include <synfig/valuenodes/valuenode_blinecalcvertex.h>
#include <synfig/valuenodes/valuenode_composite.h>
#include <synfig/valuenodes/valuenode_dynamiclist.h>
#include <synfigapp/action_system.h>
#include "state_smoothmove.h"
#include "state_normal.h"
#include "canvasview.h"
#include "workarea.h"
#include "app.h"
#include <synfigapp/action.h>
#include "event_mouse.h"
#include "event_layerclick.h"
#include "docks/dock_toolbox.h"
#include "docks/dialog_tooloptions.h"
#include "duck.h"
#include "onemoment.h"
#include <synfigapp/main.h>
#include <gui/localization.h>
#endif
/* === U S I N G =========================================================== */
using namespace std;
using namespace etl;
using namespace synfig;
using namespace studio;
/* === M A C R O S ========================================================= */
/* === G L O B A L S ======================================================= */
StateSmoothMove studio::state_smooth_move;
/* === C L A S S E S & S T R U C T S ======================================= */
class DuckDrag_SmoothMove : public DuckDrag_Base
{
float radius;
synfig::Vector last_translate_;
synfig::Vector drag_offset_;
synfig::Vector snap;
std::vector<synfig::Vector> last_;
std::vector<synfig::Vector> positions;
public:
DuckDrag_SmoothMove();
void begin_duck_drag(Duckmatic* duckmatic, const synfig::Vector& begin);
bool end_duck_drag(Duckmatic* duckmatic);
void duck_drag(Duckmatic* duckmatic, const synfig::Vector& vector);
void set_radius(float x) { radius=x; }
float get_radius()const { return radius; }
};
class studio::StateSmoothMove_Context : public sigc::trackable
{
etl::handle<CanvasView> canvas_view_;
CanvasView::IsWorking is_working;
//Duckmatic::Push duckmatic_push;
synfigapp::Settings& settings;
etl::handle<DuckDrag_SmoothMove> duck_dragger_;
Gtk::Table options_table;
Glib::RefPtr<Gtk::Adjustment> adj_radius;
Gtk::SpinButton spin_radius;
float pressure;
public:
float get_radius()const { return adj_radius->get_value(); }
void set_radius(float x) { return adj_radius->set_value(x); }
void refresh_radius() { duck_dragger_->set_radius(get_radius()*pressure); }
Smach::event_result event_stop_handler(const Smach::event& x);
Smach::event_result event_refresh_tool_options(const Smach::event& x);
void refresh_tool_options();
StateSmoothMove_Context(CanvasView* canvas_view);
~StateSmoothMove_Context();
const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view_;}
etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
synfig::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
void load_settings();
void save_settings();
}; // END of class StateSmoothMove_Context
/* === M E T H O D S ======================================================= */
StateSmoothMove::StateSmoothMove():
Smach::state<StateSmoothMove_Context>("smooth_move")
{
insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateSmoothMove_Context::event_refresh_tool_options));
insert(event_def(EVENT_STOP,&StateSmoothMove_Context::event_stop_handler));
}
StateSmoothMove::~StateSmoothMove()
{
}
void
StateSmoothMove_Context::load_settings()
{
try
{
synfig::ChangeLocale change_locale(LC_NUMERIC, "C");
String value;
if(settings.get_value("smooth_move.radius",value))
set_radius(atof(value.c_str()));
else
set_radius(1.0f);
}
catch(...)
{
synfig::warning("State SmothMove: Caught exception when attempting to load settings.");
}
}
void
StateSmoothMove_Context::save_settings()
{
try
{
synfig::ChangeLocale change_locale(LC_NUMERIC, "C");
settings.set_value("smooth_move.radius",strprintf("%f",get_radius()));
}
catch(...)
{
synfig::warning("State SmoothMove: Caught exception when attempting to save settings.");
}
}
StateSmoothMove_Context::StateSmoothMove_Context(CanvasView* canvas_view):
canvas_view_(canvas_view),
is_working(*canvas_view),
// duckmatic_push(get_work_area()),
settings(synfigapp::Main::get_selected_input_device()->settings()),
duck_dragger_(new DuckDrag_SmoothMove()),
adj_radius(Gtk::Adjustment::create(1,0,100000,0.01,0.1)),
spin_radius(adj_radius,0.1,3)
{
pressure=1.0f;
// Set up the tool options dialog
options_table.attach(*manage(new Gtk::Label(_("SmoothMove Tool"))), 0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
options_table.attach(*manage(new Gtk::Label(_("Radius"))), 0, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
options_table.attach(spin_radius, 0, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
spin_radius.signal_value_changed().connect(sigc::mem_fun(*this,&StateSmoothMove_Context::refresh_radius));
options_table.show_all();
refresh_tool_options();
//App::dialog_tool_options->set_widget(options_table);
App::dialog_tool_options->present();
get_work_area()->set_allow_layer_clicks(true);
get_work_area()->set_duck_dragger(duck_dragger_);
App::dock_toolbox->refresh();
get_work_area()->set_cursor(Gdk::FLEUR);
//get_work_area()->reset_cursor();
load_settings();
}
void
StateSmoothMove_Context::refresh_tool_options()
{
App::dialog_tool_options->clear();
App::dialog_tool_options->set_widget(options_table);
App::dialog_tool_options->set_local_name(_("Smooth Move"));
App::dialog_tool_options->set_name("smooth_move");
}
Smach::event_result
StateSmoothMove_Context::event_refresh_tool_options(const Smach::event& /*x*/)
{
refresh_tool_options();
return Smach::RESULT_ACCEPT;
}
Smach::event_result
StateSmoothMove_Context::event_stop_handler(const Smach::event& /*x*/)
{
throw &state_normal;
return Smach::RESULT_OK;
}
StateSmoothMove_Context::~StateSmoothMove_Context()
{
save_settings();
get_work_area()->clear_duck_dragger();
get_work_area()->reset_cursor();
App::dialog_tool_options->clear();
App::dock_toolbox->refresh();
}
DuckDrag_SmoothMove::DuckDrag_SmoothMove():radius(1.0f)
{
}
void
DuckDrag_SmoothMove::begin_duck_drag(Duckmatic* duckmatic, const synfig::Vector& offset)
{
last_translate_=Vector(0,0);
drag_offset_=duckmatic->find_duck(offset)->get_trans_point();
//snap=drag_offset-duckmatic->snap_point_to_grid(drag_offset);
//snap=offset-drag_offset_;
snap=Vector(0,0);
last_.clear();
positions.clear();
const DuckList selected_ducks(duckmatic->get_selected_ducks());
DuckList::const_iterator iter;
int i;
for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
{
last_.push_back(Vector(0,0));
positions.push_back((*iter)->get_trans_point());
}
}
void
DuckDrag_SmoothMove::duck_drag(Duckmatic* duckmatic, const synfig::Vector& vector)
{
const DuckList selected_ducks(duckmatic->get_selected_ducks());
DuckList::const_iterator iter;
synfig::Vector vect(duckmatic->snap_point_to_grid(vector)-drag_offset_+snap);
int i;
Time time(duckmatic->get_time());
// process vertex and position ducks first
for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
{
// skip this duck if it is NOT a vertex or a position
if (((*iter)->get_type() != Duck::TYPE_VERTEX &&
(*iter)->get_type() != Duck::TYPE_POSITION))
continue;
Point p(positions[i]);
float dist(1.0f-(p-drag_offset_).mag()/get_radius());
if(dist<0)
dist=0;
last_[i]=vect*dist;
(*iter)->set_trans_point(p+last_[i], time);
}
// then process non vertex and non position ducks
for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
{
// skip this duck if it IS a vertex or a position
if (!((*iter)->get_type() != Duck::TYPE_VERTEX &&
(*iter)->get_type() != Duck::TYPE_POSITION))
continue;
Point p(positions[i]);
float dist(1.0f-(p-drag_offset_).mag()/get_radius());
if(dist<0)
dist=0;
last_[i]=vect*dist;
(*iter)->set_trans_point(p+last_[i], time);
}
// then patch up the tangents for the vertices we've moved
duckmatic->update_ducks();
last_translate_=vect;
//snap=Vector(0,0);
}
bool
DuckDrag_SmoothMove::end_duck_drag(Duckmatic* duckmatic)
{
//synfig::info("end_duck_drag(): Diff= %f",last_translate_.mag());
if(last_translate_.mag()>0.0001)
{
const DuckList selected_ducks(duckmatic->get_selected_ducks());
DuckList::const_iterator iter;
int i;
smart_ptr<OneMoment> wait;if(selected_ducks.size()>20)wait.spawn();
for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
{
if(last_[i].mag()>0.0001)
{
if ((*iter)->get_type() == Duck::TYPE_ANGLE)
{
if(!(*iter)->signal_edited()(**iter))
{
throw String("Bad edit");
}
}
else if (App::restrict_radius_ducks &&
(*iter)->is_radius())
{
Point point((*iter)->get_point());
bool changed = false;
if (point[0] < 0)
{
point[0] = 0;
changed = true;
}
if (point[1] < 0)
{
point[1] = 0;
changed = true;
}
if (changed) (*iter)->set_point(point);
if(!(*iter)->signal_edited()(**iter))
{
throw String("Bad edit");
}
}
else
{
if(!(*iter)->signal_edited()(**iter))
{
throw String("Bad edit");
}
}
}
}
//duckmatic->get_selected_ducks()=new_set;
//duckmatic->refresh_selected_ducks();
return true;
}
else
{
duckmatic->signal_user_click_selected_ducks(0);
return false;
}
}