X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-studio%2Ftags%2Fstable%2Fsrc%2Fgtkmm%2Fstate_rotate.cpp;fp=synfig-studio%2Ftags%2Fstable%2Fsrc%2Fgtkmm%2Fstate_rotate.cpp;h=655bc52695b553969367c838d17f946e18e7c492;hb=c1f365570ac471ede0668ad976fad345747aa8de;hp=0000000000000000000000000000000000000000;hpb=a80f59e6c17a85ed04890892fa1616732cdec646;p=synfig.git diff --git a/synfig-studio/tags/stable/src/gtkmm/state_rotate.cpp b/synfig-studio/tags/stable/src/gtkmm/state_rotate.cpp new file mode 100644 index 0000000..655bc52 --- /dev/null +++ b/synfig-studio/tags/stable/src/gtkmm/state_rotate.cpp @@ -0,0 +1,386 @@ +/* === S Y N F I G ========================================================= */ +/*! \file state_rotate.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 +#endif + +#include +#include + +#include +#include + +#include "state_rotate.h" +#include "canvasview.h" +#include "workarea.h" +#include "app.h" + +#include +#include "event_mouse.h" +#include "event_layerclick.h" +#include "toolbox.h" +#include "dialog_tooloptions.h" +#include +#include "duck.h" +#include +#include + +#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 ========================================================= */ + +#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 positions; + + + bool bad_drag; + bool move_only; + +public: + etl::handle 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 get_canvas_interface()const{return canvas_view_->canvas_interface();} +}; + + +class studio::StateRotate_Context : public sigc::trackable +{ + etl::handle canvas_view_; + + synfigapp::Settings& settings; + + etl::handle 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& get_canvas_view()const{return canvas_view_;} + etl::handle 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("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()->set_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 >::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 >::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; + } +}