--- /dev/null
+/* === S Y N F I G ========================================================= */
+/*! \file state_rotate.cpp
+** \brief Template File
+**
+** $Id: state_rotate.cpp,v 1.1.1.1 2005/01/07 03:34:37 darco Exp $
+**
+** \legal
+** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+**
+** 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_rotate.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 <synfig/angle.h>
+#include <synfigapp/main.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 ========================================================= */
+
+#ifndef EPSILON
+#define EPSILON 0.0000001
+#endif
+
+/* === G L O B A L S ======================================================= */
+
+StateRotate studio::state_rotate;
+
+/* === C L A S S E S & S T R U C T S ======================================= */
+
+class DuckDrag_Rotate : public DuckDrag_Base
+{
+
+ synfig::Vector last_rotate;
+ synfig::Vector drag_offset;
+ synfig::Vector center;
+ synfig::Vector snap;
+
+ Angle original_angle;
+ Real original_mag;
+
+ std::vector<synfig::Vector> positions;
+
+
+ bool bad_drag;
+ bool move_only;
+
+public:
+ etl::handle<CanvasView> canvas_view_;
+ bool use_magnitude;
+ DuckDrag_Rotate();
+ 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);
+
+ etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
+};
+
+
+class studio::StateRotate_Context : public sigc::trackable
+{
+ etl::handle<CanvasView> canvas_view_;
+
+ synfigapp::Settings& settings;
+
+ etl::handle<DuckDrag_Rotate> duck_dragger_;
+
+ Gtk::Table options_table;
+
+ Gtk::CheckButton checkbutton_scale;
+
+public:
+
+ bool get_scale_flag()const { return checkbutton_scale.get_active(); }
+ void set_scale_flag(bool x) { return checkbutton_scale.set_active(x); refresh_scale_flag(); }
+
+
+ Smach::event_result event_refresh_tool_options(const Smach::event& x);
+
+ void refresh_tool_options();
+
+ void refresh_scale_flag() { if(duck_dragger_)duck_dragger_->use_magnitude=get_scale_flag(); }
+
+ StateRotate_Context(CanvasView* canvas_view);
+
+ ~StateRotate_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 StateRotate_Context
+
+/* === M E T H O D S ======================================================= */
+
+StateRotate::StateRotate():
+ Smach::state<StateRotate_Context>("rotate")
+{
+ insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateRotate_Context::event_refresh_tool_options));
+}
+
+StateRotate::~StateRotate()
+{
+}
+
+void
+StateRotate_Context::load_settings()
+{
+ String value;
+
+ if(settings.get_value("rotate.scale",value) && value=="0")
+ set_scale_flag(false);
+ else
+ set_scale_flag(true);
+}
+
+void
+StateRotate_Context::save_settings()
+{
+ settings.set_value("rotate.scale",get_scale_flag()?"1":"0");
+}
+
+StateRotate_Context::StateRotate_Context(CanvasView* canvas_view):
+ canvas_view_(canvas_view),
+ settings(synfigapp::Main::get_selected_input_device()->settings()),
+ duck_dragger_(new DuckDrag_Rotate()),
+ checkbutton_scale(_("Allow Scale"))
+{
+ duck_dragger_->canvas_view_=get_canvas_view();
+
+ // Set up the tool options dialog
+ //options_table.attach(*manage(new Gtk::Label(_("Rotate Tool"))), 0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+ options_table.attach(checkbutton_scale, 0, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+
+ checkbutton_scale.signal_toggled().connect(sigc::mem_fun(*this,&StateRotate_Context::refresh_scale_flag));
+
+ options_table.show_all();
+ refresh_tool_options();
+ //App::dialog_tool_options->set_widget(options_table);
+ App::dialog_tool_options->present();
+
+ get_work_area()->allow_layer_clicks=true;
+ get_work_area()->set_duck_dragger(duck_dragger_);
+
+// get_canvas_view()->work_area->set_cursor(Gdk::CROSSHAIR);
+ get_canvas_view()->work_area->reset_cursor();
+
+ App::toolbox->refresh();
+
+ load_settings();
+ refresh_scale_flag();
+}
+
+void
+StateRotate_Context::refresh_tool_options()
+{
+ App::dialog_tool_options->clear();
+ App::dialog_tool_options->set_widget(options_table);
+ App::dialog_tool_options->set_local_name(_("Rotate Tool"));
+ App::dialog_tool_options->set_name("rotate");
+}
+
+Smach::event_result
+StateRotate_Context::event_refresh_tool_options(const Smach::event& x)
+{
+ refresh_tool_options();
+ return Smach::RESULT_ACCEPT;
+}
+
+StateRotate_Context::~StateRotate_Context()
+{
+ save_settings();
+
+ get_work_area()->clear_duck_dragger();
+ get_canvas_view()->work_area->reset_cursor();
+
+ App::dialog_tool_options->clear();
+
+ App::toolbox->refresh();
+}
+
+
+
+
+DuckDrag_Rotate::DuckDrag_Rotate()
+{
+ use_magnitude=true;
+}
+
+void
+DuckDrag_Rotate::begin_duck_drag(Duckmatic* duckmatic, const synfig::Vector& offset)
+{
+ last_rotate=Vector(1,1);
+
+ const DuckList selected_ducks(duckmatic->get_selected_ducks());
+ DuckList::const_iterator iter;
+
+/*
+ if(duckmatic->get_selected_ducks().size()<2)
+ {
+ bad_drag=true;
+ return;
+ }
+*/
+ bad_drag=false;
+
+ 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);
+
+ // Calculate center
+ Point vmin(100000000,100000000);
+ Point vmax(-100000000,-100000000);
+ //std::set<etl::handle<Duck> >::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());
+ vmin[0]=min(vmin[0],p[0]);
+ vmin[1]=min(vmin[1],p[1]);
+ vmax[0]=max(vmax[0],p[0]);
+ vmax[1]=max(vmax[1],p[1]);
+ positions.push_back(p);
+ }
+ center=(vmin+vmax)*0.5;
+ if((vmin-vmax).mag()<=EPSILON)
+ move_only=true;
+ else
+ move_only=false;
+
+
+ synfig::Vector vect(offset-center);
+ original_angle=Angle::tan(vect[1],vect[0]);
+ original_mag=vect.mag();
+}
+
+
+void
+DuckDrag_Rotate::duck_drag(Duckmatic* duckmatic, const synfig::Vector& vector)
+{
+ if(bad_drag)
+ return;
+
+ //std::set<etl::handle<Duck> >::iterator iter;
+ synfig::Vector vect(duckmatic->snap_point_to_grid(vector)-center+snap);
+
+ const DuckList selected_ducks(duckmatic->get_selected_ducks());
+ DuckList::const_iterator iter;
+
+ if(move_only)
+ {
+ int i;
+ 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)continue;
+
+ Vector p(positions[i]);
+
+ p[0]+=vect[0];
+ p[1]+=vect[1];
+ (*iter)->set_trans_point(p);
+ }
+ 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))continue;
+
+ Vector p(positions[i]);
+
+ p[0]+=vect[0];
+ p[1]+=vect[1];
+ (*iter)->set_trans_point(p);
+ }
+ return;
+ }
+
+ Angle::tan angle(vect[1],vect[0]);
+ angle=original_angle-angle;
+ Real mag(vect.mag()/original_mag);
+ Real sine(Angle::sin(angle).get());
+ Real cosine(Angle::cos(angle).get());
+
+ int i;
+ 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)continue;
+
+ Vector x(positions[i]-center),p;
+
+ p[0]=cosine*x[0]+sine*x[1];
+ p[1]=-sine*x[0]+cosine*x[1];
+ if(use_magnitude)p*=mag;
+ p+=center;
+ (*iter)->set_trans_point(p);
+ }
+ 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))continue;
+
+ Vector x(positions[i]-center),p;
+
+ p[0]=cosine*x[0]+sine*x[1];
+ p[1]=-sine*x[0]+cosine*x[1];
+ if(use_magnitude)p*=mag;
+ p+=center;
+ (*iter)->set_trans_point(p);
+ }
+
+ last_rotate=vect;
+ //snap=Vector(0,0);
+}
+
+bool
+DuckDrag_Rotate::end_duck_drag(Duckmatic* duckmatic)
+{
+ if(bad_drag)return false;
+ if(move_only)
+ {
+ synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Move Duck"));
+ duckmatic->signal_edited_selected_ducks();
+ return true;
+ }
+
+ synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Rotate Ducks"));
+
+ if((last_rotate-Vector(1,1)).mag()>0.0001)
+ {
+ duckmatic->signal_edited_selected_ducks();
+ return true;
+ }
+ else
+ {
+ duckmatic->signal_user_click_selected_ducks(0);
+ return false;
+ }
+}
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