/* === S Y N F I G ========================================================= */
/*! \file state_mirror.cpp
** \brief Template File
**
** $Id$
**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
** Copyright (c) 2009 Nikita Kitaev
**
** 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 <gtkmm/dialog.h>
#include <gtkmm/entry.h>
#include <synfig/valuenode_dynamiclist.h>
#include <synfigapp/action_system.h>
#include "state_mirror.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 "toolbox.h"
#include "dialog_tooloptions.h"
#include <gtkmm/optionmenu.h>
#include "duck.h"
#include <synfigapp/main.h>
#include "general.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 ========================================================= */
enum Axis {
AXIS_X,
AXIS_Y
} ;
/* === G L O B A L S ======================================================= */
StateMirror studio::state_mirror;
/* === C L A S S E S & S T R U C T S ======================================= */
class DuckDrag_Mirror : public DuckDrag_Base
{
synfig::Vector center;
std::vector<synfig::Vector> positions;
public:
Axis axis;
DuckDrag_Mirror();
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);
};
class studio::StateMirror_Context : public sigc::trackable
{
etl::handle<CanvasView> canvas_view_;
CanvasView::IsWorking is_working;
synfigapp::Settings& settings;
sigc::connection keypress_connect;
sigc::connection keyrelease_connect;
etl::handle<DuckDrag_Mirror> duck_dragger_;
Gtk::Table options_table;
Gtk::RadioButton::Group radiobutton_group;
Gtk::RadioButton radiobutton_axis_x;
Gtk::RadioButton radiobutton_axis_y;
public:
Axis get_axis()const { return radiobutton_axis_x.get_active()?AXIS_X:AXIS_Y; }
void set_axis(Axis a)
{
if(a==AXIS_X)
radiobutton_axis_x.set_active(true);
else
radiobutton_axis_y.set_active(true);
duck_dragger_->axis=get_axis();
}
void update_axes()
{
duck_dragger_->axis=get_axis();
get_work_area()->set_cursor(get_axis() == AXIS_X?Gdk::SB_H_DOUBLE_ARROW:Gdk::SB_V_DOUBLE_ARROW);
}
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();
StateMirror_Context(CanvasView* canvas_view);
~StateMirror_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();
bool key_event(GdkEventKey *event);
}; // END of class StateMirror_Context
/* === M E T H O D S ======================================================= */
StateMirror::StateMirror():
Smach::state<StateMirror_Context>("mirror")
{
insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateMirror_Context::event_refresh_tool_options));
insert(event_def(EVENT_STOP,&StateMirror_Context::event_stop_handler));
}
StateMirror::~StateMirror()
{
}
void
StateMirror_Context::load_settings()
{
String value;
settings.get_value("mirror.axis",value);
set_axis((Axis)atoi(value.c_str()));
}
void
StateMirror_Context::save_settings()
{
settings.set_value("mirror.lock_aspect",strprintf("%d",(int)get_axis()));
}
StateMirror_Context::StateMirror_Context(CanvasView* canvas_view):
canvas_view_(canvas_view),
is_working(*canvas_view),
settings(synfigapp::Main::get_selected_input_device()->settings()),
duck_dragger_(new DuckDrag_Mirror()),
radiobutton_axis_x(radiobutton_group,_("Horizontal")),
radiobutton_axis_y(radiobutton_group,_("Vertical"))
{
// Set up the tool options dialog
options_table.attach(*manage(new Gtk::Label(_("Mirror Tool"))), 0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
options_table.attach(radiobutton_axis_x, 0, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
options_table.attach(radiobutton_axis_y, 0, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
options_table.attach(*manage(new Gtk::Label(_("(Shift key toggles axis)"))), 0, 2, 3, 4, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
radiobutton_axis_x.signal_toggled().connect(sigc::mem_fun(*this,&StateMirror_Context::update_axes));
radiobutton_axis_y.signal_toggled().connect(sigc::mem_fun(*this,&StateMirror_Context::update_axes));
options_table.show_all();
refresh_tool_options();
App::dialog_tool_options->present();
get_work_area()->set_allow_layer_clicks(true);
get_work_area()->set_duck_dragger(duck_dragger_);
keypress_connect=get_work_area()->signal_key_press_event().connect(sigc::mem_fun(*this,&StateMirror_Context::key_event),false);
keyrelease_connect=get_work_area()->signal_key_release_event().connect(sigc::mem_fun(*this,&StateMirror_Context::key_event),false);
get_work_area()->set_cursor(Gdk::SB_H_DOUBLE_ARROW);
// get_work_area()->reset_cursor();
App::toolbox->refresh();
set_axis(AXIS_X);
load_settings();
}
bool
StateMirror_Context::key_event(GdkEventKey *event)
{
if (event->keyval==GDK_Shift_L || event->keyval==GDK_Shift_R )
{
set_axis(get_axis()==AXIS_X ? AXIS_Y:AXIS_X);
get_work_area()->set_cursor(get_axis() == AXIS_X?Gdk::SB_H_DOUBLE_ARROW:Gdk::SB_V_DOUBLE_ARROW);
}
return false; //Pass on the event to other handlers, just in case
}
void
StateMirror_Context::refresh_tool_options()
{
App::dialog_tool_options->clear();
App::dialog_tool_options->set_widget(options_table);
App::dialog_tool_options->set_local_name(_("Mirror Tool"));
App::dialog_tool_options->set_name("mirror");
}
Smach::event_result
StateMirror_Context::event_refresh_tool_options(const Smach::event& /*x*/)
{
refresh_tool_options();
return Smach::RESULT_ACCEPT;
}
Smach::event_result
StateMirror_Context::event_stop_handler(const Smach::event& /*x*/)
{
throw &state_normal;
return Smach::RESULT_OK;
}
StateMirror_Context::~StateMirror_Context()
{
save_settings();
get_work_area()->clear_duck_dragger();
get_work_area()->reset_cursor();
keypress_connect.disconnect();
keyrelease_connect.disconnect();
App::dialog_tool_options->clear();
App::toolbox->refresh();
}
DuckDrag_Mirror::DuckDrag_Mirror():
axis(AXIS_X)
{
}
#ifndef EPSILON
#define EPSILON 0.0000001
#endif
void
DuckDrag_Mirror::begin_duck_drag(Duckmatic* duckmatic, const synfig::Vector& /*offset*/)
{
const DuckList selected_ducks(duckmatic->get_selected_ducks());
DuckList::const_iterator iter;
positions.clear();
int i;
for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
{
Point p((*iter)->get_trans_point());
positions.push_back(p);
}
}
void
DuckDrag_Mirror::duck_drag(Duckmatic* duckmatic, const synfig::Vector& vector)
{
center=vector;
int i;
const DuckList selected_ducks(duckmatic->get_selected_ducks());
DuckList::const_iterator iter;
Time time(duckmatic->get_time());
// do the Vertex and Position ducks first
for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
if ((*iter)->get_type() == Duck::TYPE_VERTEX ||
(*iter)->get_type() == Duck::TYPE_POSITION)
{
Vector p(positions[i]);
if (axis==AXIS_X) p[0] = -(p[0]-center[0]) + center[0];
else if (axis==AXIS_Y) p[1] = -(p[1]-center[1]) + center[1];
(*iter)->set_trans_point(p);
}
// then do the other ducks
for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
if ((*iter)->get_type() != Duck::TYPE_VERTEX &&
(*iter)->get_type() != Duck::TYPE_POSITION)
{
// we don't need to mirror radius ducks - they're one-dimensional
if ((*iter)->is_radius())
continue;
Vector p(positions[i]);
if (axis==AXIS_X) p[0] = -(p[0]-center[0]) + center[0];
else if (axis==AXIS_Y) p[1] = -(p[1]-center[1]) + center[1];
(*iter)->set_trans_point(p);
}
}
bool
DuckDrag_Mirror::end_duck_drag(Duckmatic* duckmatic)
{
duckmatic->signal_edited_selected_ducks();
return true;
}