+/* === S Y N F I G ========================================================= */
+/*! \file state_polygon.cpp
+** \brief Template File
+**
+** $Id$
+**
+** \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_polygon.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 <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 ========================================================= */
+
+/* === G L O B A L S ======================================================= */
+
+StatePolygon studio::state_polygon;
+
+/* === C L A S S E S & S T R U C T S ======================================= */
+
+class studio::StatePolygon_Context : public sigc::trackable
+{
+ etl::handle<CanvasView> canvas_view_;
+ CanvasView::IsWorking is_working;
+
+ bool prev_table_status;
+ bool prev_workarea_layer_status_;
+
+ Gtk::Menu menu;
+
+ Duckmatic::Push duckmatic_push;
+
+ std::list<synfig::Point> polygon_point_list;
+ synfigapp::Settings& settings;
+
+
+ bool on_polygon_duck_change(const synfig::Point &point, std::list<synfig::Point>::iterator iter);
+
+
+ void popup_handle_menu(synfigapp::ValueDesc value_desc);
+
+
+ void refresh_ducks();
+
+ Gtk::Table options_table;
+ Gtk::Entry entry_id;
+ Gtk::Button button_make;
+
+public:
+ synfig::String get_id()const { return entry_id.get_text(); }
+ void set_id(const synfig::String& x) { return entry_id.set_text(x); }
+
+ Smach::event_result event_stop_handler(const Smach::event& x);
+
+ Smach::event_result event_refresh_handler(const Smach::event& x);
+
+ Smach::event_result event_mouse_click_handler(const Smach::event& x);
+ Smach::event_result event_refresh_tool_options(const Smach::event& x);
+ void refresh_tool_options();
+
+ StatePolygon_Context(CanvasView* canvas_view);
+
+ ~StatePolygon_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 on_user_click(synfig::Point point);
+ void load_settings();
+ void save_settings();
+ void reset();
+ void increment_id();
+ bool egress_on_selection_change;
+ Smach::event_result event_layer_selection_changed_handler(const Smach::event& /*x*/)
+ {
+ if(egress_on_selection_change)
+ throw Smach::egress_exception();
+ return Smach::RESULT_OK;
+ }
+
+ void run();
+}; // END of class StatePolygon_Context
+
+/* === M E T H O D S ======================================================= */
+
+StatePolygon::StatePolygon():
+ Smach::state<StatePolygon_Context>("polygon")
+{
+ insert(event_def(EVENT_LAYER_SELECTION_CHANGED,&StatePolygon_Context::event_layer_selection_changed_handler));
+ insert(event_def(EVENT_STOP,&StatePolygon_Context::event_stop_handler));
+ insert(event_def(EVENT_REFRESH,&StatePolygon_Context::event_refresh_handler));
+ insert(event_def(EVENT_REFRESH_DUCKS,&StatePolygon_Context::event_refresh_handler));
+ insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,&StatePolygon_Context::event_mouse_click_handler));
+ insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StatePolygon_Context::event_refresh_tool_options));
+}
+
+StatePolygon::~StatePolygon()
+{
+}
+
+void
+StatePolygon_Context::load_settings()
+{
+ String value;
+
+ if(settings.get_value("polygon.id",value))
+ set_id(value);
+ else
+ set_id("Polygon");
+}
+
+void
+StatePolygon_Context::save_settings()
+{
+ settings.set_value("polygon.id",get_id().c_str());
+}
+
+void
+StatePolygon_Context::reset()
+{
+ polygon_point_list.clear();
+ refresh_ducks();
+}
+
+void
+StatePolygon_Context::increment_id()
+{
+ String id(get_id());
+ int number=1;
+ int digits=0;
+
+ if(id.empty())
+ id="Polygon";
+
+ // If there is a number
+ // already at the end of the
+ // id, then remove it.
+ if(id[id.size()-1]<='9' && id[id.size()-1]>='0')
+ {
+ // figure out how many digits it is
+ for(digits=0;(int)id.size()-1>=digits && id[id.size()-1-digits]<='9' && id[id.size()-1-digits]>='0';digits++)while(false);
+
+ String str_number;
+ str_number=String(id,id.size()-digits,id.size());
+ id=String(id,0,id.size()-digits);
+
+ number=atoi(str_number.c_str());
+ }
+ else
+ {
+ number=1;
+ digits=3;
+ }
+
+ number++;
+
+ // Add the number back onto the id
+ {
+ const String format(strprintf("%%0%dd",digits));
+ id+=strprintf(format.c_str(),number);
+ }
+
+ // Set the ID
+ set_id(id);
+}
+
+StatePolygon_Context::StatePolygon_Context(CanvasView* canvas_view):
+ canvas_view_(canvas_view),
+ is_working(*canvas_view),
+ prev_workarea_layer_status_(get_work_area()->get_allow_layer_clicks()),
+ duckmatic_push(get_work_area()),
+ settings(synfigapp::Main::get_selected_input_device()->settings()),
+ entry_id(),
+ button_make(_("Make"))
+{
+ egress_on_selection_change=true;
+ load_settings();
+
+ // Set up the tool options dialog
+ //options_table.attach(*manage(new Gtk::Label(_("Polygon Tool"))), 0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+ options_table.attach(entry_id, 0, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+ //options_table.attach(button_make, 0, 2, 4, 5, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+ button_make.signal_pressed().connect(sigc::mem_fun(*this,&StatePolygon_Context::run));
+ options_table.show_all();
+ refresh_tool_options();
+ App::dialog_tool_options->present();
+
+
+ // Turn off layer clicking
+ get_work_area()->set_allow_layer_clicks(false);
+
+ // clear out the ducks
+ get_work_area()->clear_ducks();
+
+ // Refresh the work area
+ get_work_area()->queue_draw();
+
+ get_canvas_view()->work_area->set_cursor(Gdk::CROSSHAIR);
+
+ // Hide the tables if they are showing
+ prev_table_status=get_canvas_view()->tables_are_visible();
+ if(prev_table_status)get_canvas_view()->hide_tables();
+
+ // Disable the time bar
+ get_canvas_view()->set_sensitive_timebar(false);
+
+ // Connect a signal
+ //get_work_area()->signal_user_click().connect(sigc::mem_fun(*this,&studio::StatePolygon_Context::on_user_click));
+
+ App::toolbox->refresh();
+}
+
+void
+StatePolygon_Context::refresh_tool_options()
+{
+ App::dialog_tool_options->clear();
+ App::dialog_tool_options->set_widget(options_table);
+
+ App::dialog_tool_options->set_local_name(_("Polygon Tool"));
+ App::dialog_tool_options->set_name("polygon");
+
+ App::dialog_tool_options->add_button(
+ Gtk::StockID("gtk-execute"),
+ _("Make Polygon")
+ )->signal_clicked().connect(
+ sigc::mem_fun(
+ *this,
+ &StatePolygon_Context::run
+ )
+ );
+
+ App::dialog_tool_options->add_button(
+ Gtk::StockID("gtk-clear"),
+ _("Clear current Polygon")
+ )->signal_clicked().connect(
+ sigc::mem_fun(
+ *this,
+ &StatePolygon_Context::reset
+ )
+ );
+}
+
+Smach::event_result
+StatePolygon_Context::event_refresh_tool_options(const Smach::event& /*x*/)
+{
+ refresh_tool_options();
+ return Smach::RESULT_ACCEPT;
+}
+
+StatePolygon_Context::~StatePolygon_Context()
+{
+ run();
+
+ save_settings();
+ // Restore layer clicking
+ get_work_area()->set_allow_layer_clicks(prev_workarea_layer_status_);
+
+ App::dialog_tool_options->clear();
+
+ get_canvas_view()->work_area->reset_cursor();
+
+ // Enable the time bar
+ get_canvas_view()->set_sensitive_timebar(true);
+
+ // Bring back the tables if they were out before
+ if(prev_table_status)get_canvas_view()->show_tables();
+
+ // Refresh the work area
+ get_work_area()->queue_draw();
+
+ App::toolbox->refresh();
+}
+
+Smach::event_result
+StatePolygon_Context::event_stop_handler(const Smach::event& /*x*/)
+{
+ synfig::info("STATE RotoPolygon: Received Stop Event");
+ //throw Smach::egress_exception();
+ reset();
+ return Smach::RESULT_ACCEPT;
+
+}
+
+Smach::event_result
+StatePolygon_Context::event_refresh_handler(const Smach::event& /*x*/)
+{
+ synfig::info("STATE RotoPolygon: Received Refresh Event");
+ refresh_ducks();
+ return Smach::RESULT_ACCEPT;
+}
+
+void
+StatePolygon_Context::run()
+{
+ if(polygon_point_list.empty())
+ return;
+
+ if(polygon_point_list.size()<3)
+ {
+ get_canvas_view()->get_ui_interface()->error("You need at least 3 points to create a polygon");
+ return;
+ }
+ Layer::Handle layer;
+ Canvas::Handle canvas(get_canvas_view()->get_canvas());
+ int depth(0);
+
+ // we are temporarily using the layer to hold something
+ layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
+ if(layer)
+ {
+ depth=layer->get_depth();
+ canvas=layer->get_canvas();
+ }
+
+ {
+ synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("New Polygon"));
+ synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
+
+ Layer::Handle layer(get_canvas_interface()->add_layer_to("polygon",canvas,depth));
+ layer->set_description(get_id());
+ get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
+
+ layer->disconnect_dynamic_param("vector_list");
+ if(!layer->set_param("vector_list",polygon_point_list))
+ {
+ group.cancel();
+ get_canvas_view()->get_ui_interface()->error("Unable to set layer parameter");
+ return;
+ }
+
+ {
+ synfigapp::Action::Handle action(synfigapp::Action::create("value_desc_convert"));
+ synfigapp::ValueDesc value_desc(layer,"vector_list");
+ action->set_param("canvas",get_canvas());
+ action->set_param("canvas_interface",get_canvas_interface());
+ action->set_param("value_desc",value_desc);
+ action->set_param("type","dynamic_list");
+ if(!get_canvas_interface()->get_instance()->perform_action(action))
+ {
+ group.cancel();
+ get_canvas_view()->get_ui_interface()->error("Unable to execute action \"value_desc_convert\"");
+ return;
+ }
+ }
+ egress_on_selection_change=false;
+ get_canvas_interface()->get_selection_manager()->clear_selected_layers();
+ get_canvas_interface()->get_selection_manager()->set_selected_layer(layer);
+ egress_on_selection_change=true;
+ //get_canvas_interface()->signal_dirty_preview()();
+ }
+/*
+ else
+ {
+ ValueNode::Handle value_node=(ValueNode_Const::create(polygon_point_list));
+ std::string valuenode_name="Poly";
+ while(studio::App::dialog_entry("New Polygon", "Please enter the new ID for this value_node",valuenode_name))
+ if(get_canvas_interface()->add_value_node(value_node,valuenode_name))
+ return true;
+ }
+*/
+ reset();
+ increment_id();
+}
+
+Smach::event_result
+StatePolygon_Context::event_mouse_click_handler(const Smach::event& x)
+{
+ synfig::info("STATE ROTOPOLYGON: Received mouse button down Event");
+ const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
+ switch(event.button)
+ {
+ case BUTTON_LEFT:
+ polygon_point_list.push_back(get_work_area()->snap_point_to_grid(event.pos));
+ refresh_ducks();
+ return Smach::RESULT_ACCEPT;
+
+ case BUTTON_RIGHT: // Intercept the right-button click to short-circut the pop-up menu
+ return Smach::RESULT_ACCEPT;
+
+ default:
+ return Smach::RESULT_OK;
+ }
+}
+
+
+void
+StatePolygon_Context::refresh_ducks()
+{
+ get_work_area()->clear_ducks();
+
+ if(polygon_point_list.empty()) return;
+
+ std::list<synfig::Point>::iterator iter=polygon_point_list.begin();
+
+ etl::handle<WorkArea::Duck> duck;
+ duck=new WorkArea::Duck(*iter);
+ duck->set_editable(true);
+ duck->signal_edited().connect(
+ sigc::bind(sigc::mem_fun(*this,&studio::StatePolygon_Context::on_polygon_duck_change),iter)
+ );
+ duck->signal_user_click(0).connect(sigc::mem_fun(*this,&StatePolygon_Context::run));
+
+ get_work_area()->add_duck(duck);
+
+ for(++iter;iter!=polygon_point_list.end();++iter)
+ {
+ etl::handle<WorkArea::Bezier> bezier(new WorkArea::Bezier());
+ bezier->p1=bezier->c1=duck;
+
+ duck=new WorkArea::Duck(*iter);
+ duck->set_editable(true);
+ duck->set_name(strprintf("%x",&*iter));
+ duck->signal_edited().connect(
+ sigc::bind(sigc::mem_fun(*this,&studio::StatePolygon_Context::on_polygon_duck_change),iter)
+ );
+
+ get_work_area()->add_duck(duck);
+
+ bezier->p2=bezier->c2=duck;
+ get_work_area()->add_bezier(bezier);
+ }
+ get_work_area()->queue_draw();
+}
+
+
+bool
+StatePolygon_Context::on_polygon_duck_change(const synfig::Point &point, std::list<synfig::Point>::iterator iter)
+{
+ *iter=point;
+ return true;
+}