Stable Tag: Copying everything over
[synfig.git] / synfig-studio / tags / stable / src / gtkmm / state_circle.cpp
diff --git a/synfig-studio/tags/stable/src/gtkmm/state_circle.cpp b/synfig-studio/tags/stable/src/gtkmm/state_circle.cpp
new file mode 100644 (file)
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+/* === S Y N F I G ========================================================= */
+/*!    \file state_circle.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_circle.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 "widget_enum.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 ========================================================= */
+enum CircleFalloff
+{
+       CIRCLE_SQUARED  =0,
+       CIRCLE_INTERPOLATION_LINEAR     =1,
+       CIRCLE_COSINE   =2,
+       CIRCLE_SIGMOND  =3,
+       CIRCLE_SQRT             =4,
+       CIRCLE_NUM_FALLOFF
+};
+
+/* === G L O B A L S ======================================================= */
+
+StateCircle studio::state_circle;
+
+/* === C L A S S E S & S T R U C T S ======================================= */
+
+class studio::StateCircle_Context : public sigc::trackable
+{
+       etl::handle<CanvasView> canvas_view_;
+       CanvasView::IsWorking is_working;
+
+       Duckmatic::Push duckmatic_push;
+
+       Point point_holder;
+
+       etl::handle<Duck> point2_duck;
+
+       void refresh_ducks();
+
+       bool prev_workarea_layer_status_;
+
+       //Toolbox settings
+       synfigapp::Settings& settings;
+
+       //Toolbox display
+       Gtk::Table options_table;
+
+       Gtk::Entry              entry_id; //what to name the layer
+
+       Widget_Enum             enum_falloff;
+       Widget_Enum             enum_blend;
+
+       Gtk::Adjustment adj_feather;
+       Gtk::SpinButton spin_feather;
+
+       Gtk::CheckButton check_invert;
+
+public:
+
+       synfig::String get_id()const { return entry_id.get_text(); }
+       void set_id(const synfig::String& x) { return entry_id.set_text(x); }
+
+       int get_falloff()const { return enum_falloff.get_value(); }
+       void set_falloff(int x) { return enum_falloff.set_value(x); }
+
+       int get_blend()const { return enum_blend.get_value(); }
+       void set_blend(int x) { return enum_blend.set_value(x); }
+
+       Real get_feather()const { return adj_feather.get_value(); }
+       void set_feather(Real f) { adj_feather.set_value(f); }
+
+       bool get_invert()const { return check_invert.get_active(); }
+       void set_invert(bool i) { check_invert.set_active(i); }
+
+       void refresh_tool_options(); //to refresh the toolbox
+
+       //events
+       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);
+
+       //constructor destructor
+       StateCircle_Context(CanvasView* canvas_view);
+       ~StateCircle_Context();
+
+       //Canvas interaction
+       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();}
+
+       //Modifying settings etc.
+       void load_settings();
+       void save_settings();
+       void reset();
+       void increment_id();
+       bool no_egress_on_selection_change;
+       Smach::event_result event_layer_selection_changed_handler(const Smach::event& x)
+       {
+               if(!no_egress_on_selection_change)
+                       throw Smach::egress_exception();
+               return Smach::RESULT_OK;
+       }
+
+       void make_circle(const Point& p1, const Point& p2);
+
+};     // END of class StateGradient_Context
+
+/* === M E T H O D S ======================================================= */
+
+StateCircle::StateCircle():
+       Smach::state<StateCircle_Context>("circle")
+{
+       insert(event_def(EVENT_LAYER_SELECTION_CHANGED,&StateCircle_Context::event_layer_selection_changed_handler));
+       insert(event_def(EVENT_STOP,&StateCircle_Context::event_stop_handler));
+       insert(event_def(EVENT_REFRESH,&StateCircle_Context::event_refresh_handler));
+       insert(event_def(EVENT_REFRESH_DUCKS,&StateCircle_Context::event_refresh_handler));
+       insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,&StateCircle_Context::event_mouse_click_handler));
+       insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DRAG,&StateCircle_Context::event_mouse_click_handler));
+       insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_UP,&StateCircle_Context::event_mouse_click_handler));
+       insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateCircle_Context::event_refresh_tool_options));
+}
+
+StateCircle::~StateCircle()
+{
+}
+
+void
+StateCircle_Context::load_settings()
+{
+       String value;
+
+       //parse the arguments yargh!
+       if(settings.get_value("circle.id",value))
+               set_id(value);
+       else
+               set_id("Circle");
+
+       if(settings.get_value("circle.fallofftype",value) && value != "")
+               set_falloff(atoi(value.c_str()));
+       else
+               set_falloff(2);
+
+       if(settings.get_value("circle.blend",value) && value != "")
+               set_blend(atoi(value.c_str()));
+       else
+               set_blend(0);//(int)Color::BLEND_COMPOSITE); //0 should be blend composites value
+
+       if(settings.get_value("circle.feather",value))
+               set_feather(atof(value.c_str()));
+       else
+               set_feather(0);
+
+       if(settings.get_value("circle.invert",value) && value != "0")
+               set_invert(true);
+       else
+               set_invert(false);
+}
+
+void
+StateCircle_Context::save_settings()
+{
+       settings.set_value("circle.id",get_id());
+       settings.set_value("circle.fallofftype",strprintf("%d",get_falloff()));
+       settings.set_value("circle.blend",strprintf("%d",get_blend()));
+       settings.set_value("circle.feather",strprintf("%f",(float)get_feather()));
+       settings.set_value("circle.invert",get_invert()?"1":"0");
+}
+
+void
+StateCircle_Context::reset()
+{
+       refresh_ducks();
+}
+
+void
+StateCircle_Context::increment_id()
+{
+       String id(get_id());
+       int number=1;
+       int digits=0;
+
+       if(id.empty())
+               id="Circle";
+
+       // 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);
+}
+
+StateCircle_Context::StateCircle_Context(CanvasView* canvas_view):
+       canvas_view_(canvas_view),
+       is_working(*canvas_view),
+       duckmatic_push(get_work_area()),
+       prev_workarea_layer_status_(get_work_area()->allow_layer_clicks),
+       settings(synfigapp::Main::get_selected_input_device()->settings()),
+       entry_id(),
+       adj_feather(0,0,1,0.01,0.1),
+       spin_feather(adj_feather,0.1,3),
+       check_invert(_("Invert"))
+{
+       no_egress_on_selection_change=false;
+       // Set up the tool options dialog
+       //options_table.attach(*manage(new Gtk::Label(_("Circle 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);
+
+       enum_falloff.set_param_desc(ParamDesc("falloff")
+               .set_local_name(_("Falloff"))
+               .set_description(_("Determines the falloff function for the feather"))
+               .set_hint("enum")
+               .add_enum_value(CIRCLE_INTERPOLATION_LINEAR,"linear",_("Linear"))
+               .add_enum_value(CIRCLE_SQUARED,"squared",_("Squared"))
+               .add_enum_value(CIRCLE_SQRT,"sqrt",_("Square Root"))
+               .add_enum_value(CIRCLE_SIGMOND,"sigmond",_("Sigmond"))
+               .add_enum_value(CIRCLE_COSINE,"cosine",_("Cosine")));
+
+       enum_blend.set_param_desc(ParamDesc(Color::BLEND_COMPOSITE,"blend_method")
+               .set_local_name(_("Blend Method"))
+               .set_description(_("Defines the blend method to be used for circles")));
+
+       load_settings();
+
+       //feather stuff
+       options_table.attach(*manage(new Gtk::Label(_("Feather:"))), 0, 1, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+       options_table.attach(spin_feather, 1, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+       options_table.attach(enum_falloff, 0, 2, 4, 5, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+       options_table.attach(enum_blend, 0, 2, 5, 6, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+
+       //invert flag
+       options_table.attach(check_invert, 0, 2, 6, 7, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+
+       options_table.show_all();
+
+       refresh_tool_options();
+       App::dialog_tool_options->present();
+
+       // Turn off layer clicking
+       get_work_area()->allow_layer_clicks=false;
+
+       // clear out the ducks
+       get_work_area()->clear_ducks();
+
+       // Refresh the work area
+       get_work_area()->queue_draw();
+
+       // 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::StateCircle_Context::on_user_click));
+       get_canvas_view()->work_area->set_cursor(Gdk::CROSSHAIR);
+
+       App::toolbox->refresh();
+}
+
+void
+StateCircle_Context::refresh_tool_options()
+{
+       App::dialog_tool_options->clear();
+       App::dialog_tool_options->set_widget(options_table);
+       App::dialog_tool_options->set_local_name(_("Circle Tool"));
+       App::dialog_tool_options->set_name("circle");
+}
+
+Smach::event_result
+StateCircle_Context::event_refresh_tool_options(const Smach::event& x)
+{
+       refresh_tool_options();
+       return Smach::RESULT_ACCEPT;
+}
+
+StateCircle_Context::~StateCircle_Context()
+{
+       save_settings();
+
+       // Restore layer clicking
+       get_work_area()->allow_layer_clicks=prev_workarea_layer_status_;
+       get_canvas_view()->work_area->reset_cursor();
+
+       App::dialog_tool_options->clear();
+
+       // 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
+StateCircle_Context::event_stop_handler(const Smach::event& x)
+{
+       throw Smach::egress_exception();
+}
+
+Smach::event_result
+StateCircle_Context::event_refresh_handler(const Smach::event& x)
+{
+       refresh_ducks();
+       return Smach::RESULT_ACCEPT;
+}
+
+void
+StateCircle_Context::make_circle(const Point& _p1, const Point& _p2)
+{
+       synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("New Circle"));
+       synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
+
+       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();
+       }
+
+       const synfig::TransformStack& transform(get_canvas_view()->get_curr_transform_stack());
+       const Point p1(transform.unperform(_p1));
+       const Point p2(transform.unperform(_p2));
+
+       if(get_falloff() >= 0 && get_falloff() < CIRCLE_NUM_FALLOFF)
+       {
+
+               layer=get_canvas_interface()->add_layer_to("circle",canvas,depth);
+
+               layer->set_param("pos",p1);
+               get_canvas_interface()->signal_layer_param_changed()(layer,"pos");
+
+               layer->set_param("radius",(p2-p1).mag());
+               get_canvas_interface()->signal_layer_param_changed()(layer,"radius");
+
+               layer->set_param("falloff",get_falloff());
+               get_canvas_interface()->signal_layer_param_changed()(layer,"falloff");
+
+               layer->set_param("feather",get_feather());
+               get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
+
+               layer->set_param("invert",get_invert());
+               get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
+
+               layer->set_param("blend_method",get_blend());
+               get_canvas_interface()->signal_layer_param_changed()(layer,"blend_method");
+
+               layer->set_description(get_id());
+               get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
+
+               no_egress_on_selection_change=true;
+               get_canvas_interface()->get_selection_manager()->clear_selected_layers();
+               get_canvas_interface()->get_selection_manager()->set_selected_layer(layer);
+               no_egress_on_selection_change=false;
+       }
+
+       reset();
+       increment_id();
+}
+
+Smach::event_result
+StateCircle_Context::event_mouse_click_handler(const Smach::event& x)
+{
+       const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
+
+       if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DOWN && event.button==BUTTON_LEFT)
+       {
+               point_holder=get_work_area()->snap_point_to_grid(event.pos);
+               etl::handle<Duck> duck=new Duck();
+               duck->set_point(point_holder);
+               duck->set_name("p1");
+               duck->set_type(Duck::TYPE_POSITION);
+               duck->set_editable(false);
+               get_work_area()->add_duck(duck);
+
+               point2_duck=new Duck();
+               point2_duck->set_point(Vector(0,0));
+               point2_duck->set_name("radius");
+               point2_duck->set_origin(duck);
+               point2_duck->set_radius(true);
+               point2_duck->set_scalar(-1);
+               point2_duck->set_type(Duck::TYPE_RADIUS);
+               get_work_area()->add_duck(point2_duck);
+
+               return Smach::RESULT_ACCEPT;
+       }
+
+       if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DRAG && event.button==BUTTON_LEFT)
+       {
+               point2_duck->set_point(point_holder-get_work_area()->snap_point_to_grid(event.pos));
+               get_work_area()->queue_draw();
+               return Smach::RESULT_ACCEPT;
+       }
+
+       if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_UP && event.button==BUTTON_LEFT)
+       {
+               make_circle(point_holder, get_work_area()->snap_point_to_grid(event.pos));
+               get_work_area()->clear_ducks();
+               return Smach::RESULT_ACCEPT;
+       }
+
+       return Smach::RESULT_OK;
+}
+
+
+void
+StateCircle_Context::refresh_ducks()
+{
+       get_work_area()->clear_ducks();
+       get_work_area()->queue_draw();
+}