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   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file state_mirror.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id$
   6 **
   7 **      \legal
   8 **      Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
   9 **
  10 **      This package is free software; you can redistribute it and/or
  11 **      modify it under the terms of the GNU General Public License as
  12 **      published by the Free Software Foundation; either version 2 of
  13 **      the License, or (at your option) any later version.
  14 **
  15 **      This package is distributed in the hope that it will be useful,
  16 **      but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 **      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  18 **      General Public License for more details.
  19 **      \endlegal
  20 */
  21 /* ========================================================================= */
  22
  23 /* === H E A D E R S ======================================================= */
  24
  25 #ifdef USING_PCH
  26 #       include "pch.h"
  27 #else
  28 #ifdef HAVE_CONFIG_H
  29 #       include <config.h>
  30 #endif
  31
  32 #include <gtkmm/dialog.h>
  33 #include <gtkmm/entry.h>
  34
  35 #include <synfig/valuenode_dynamiclist.h>
  36 #include <synfigapp/action_system.h>
  37
  38 #include "state_mirror.h"
  39 #include "../canvasview.h"
  40 #include "../workarea.h"
  41 #include "../app.h"
  42
  43 #include <synfigapp/action.h>
  44 #include "../event_mouse.h"
  45 #include "../event_layerclick.h"
  46 #include "../toolbox.h"
  47 #include "../dialog_tooloptions.h"
  48 #include <gtkmm/optionmenu.h>
  49 #include "../duck.h"
  50 #include <synfigapp/main.h>
  51
  52 #include "../general.h"
  53
  54 #endif
  55
  56 /* === U S I N G =========================================================== */
  57
  58 using namespace std;
  59 using namespace etl;
  60 using namespace synfig;
  61 using namespace studio;
  62
  63 /* === M A C R O S ========================================================= */
  64
  65 enum Axis {
  66         AXIS_X,
  67         AXIS_Y
  68 } ;
  69
  70 /* === G L O B A L S ======================================================= */
  71
  72 StateMirror studio::state_mirror;
  73
  74 /* === C L A S S E S & S T R U C T S ======================================= */
  75
  76 class DuckDrag_Mirror : public DuckDrag_Base
  77 {
  78         synfig::Vector center;
  79
  80         std::vector<synfig::Vector> positions;
  81
  82 public:
  83         Axis axis;
  84
  85         DuckDrag_Mirror();
  86         void begin_duck_drag(Duckmatic* duckmatic, const synfig::Vector& begin);
  87         bool end_duck_drag(Duckmatic* duckmatic);
  88         void duck_drag(Duckmatic* duckmatic, const synfig::Vector& vector);
  89 };
  90
  91 class studio::StateMirror_Context : public sigc::trackable
  92 {
  93         etl::handle<CanvasView> canvas_view_;
  94
  95         synfigapp::Settings& settings;
  96
  97         etl::handle<DuckDrag_Mirror> duck_dragger_;
  98
  99         Gtk::Table options_table;
 100
 101         Gtk::CheckButton checkbutton_axis_x;
 102         Gtk::CheckButton checkbutton_axis_y;
 103
 104 public:
 105
 106         Axis get_axis()const { return checkbutton_axis_x.get_active()?AXIS_X:AXIS_Y; }
 107         void set_axis(Axis a)
 108         {
 109                 if(a==AXIS_X)
 110                 {
 111                         checkbutton_axis_x.set_active(true);
 112                         checkbutton_axis_y.set_active(false);
 113                 }
 114                 else
 115                 {
 116                         checkbutton_axis_y.set_active(true);
 117                         checkbutton_axis_x.set_active(false);
 118                 }
 119
 120                 duck_dragger_->axis=get_axis();
 121         }
 122
 123         void update_axis_y()
 124         {
 125                 checkbutton_axis_x.set_active(!checkbutton_axis_y.get_active());
 126                 duck_dragger_->axis=get_axis();
 127         }
 128         void update_axis_x()
 129         {
 130                 checkbutton_axis_y.set_active(!checkbutton_axis_x.get_active());
 131                 duck_dragger_->axis=get_axis();
 132         }
 133         Smach::event_result event_refresh_tool_options(const Smach::event& x);
 134
 135         void refresh_tool_options();
 136
 137         StateMirror_Context(CanvasView* canvas_view);
 138
 139         ~StateMirror_Context();
 140
 141         const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view_;}
 142         etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
 143         synfig::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
 144         WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
 145
 146         void load_settings();
 147         void save_settings();
 148 };      // END of class StateMirror_Context
 149
 150 /* === M E T H O D S ======================================================= */
 151
 152 StateMirror::StateMirror():
 153         Smach::state<StateMirror_Context>("mirror")
 154 {
 155         insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateMirror_Context::event_refresh_tool_options));
 156 }
 157
 158 StateMirror::~StateMirror()
 159 {
 160 }
 161
 162 void
 163 StateMirror_Context::load_settings()
 164 {
 165         String value;
 166
 167         settings.get_value("mirror.axis",value);
 168         set_axis((Axis)atoi(value.c_str()));
 169 }
 170
 171 void
 172 StateMirror_Context::save_settings()
 173 {
 174         settings.set_value("mirror.lock_aspect",strprintf("%d",(int)get_axis()));
 175 }
 176
 177 StateMirror_Context::StateMirror_Context(CanvasView* canvas_view):
 178         canvas_view_(canvas_view),
 179         settings(synfigapp::Main::get_selected_input_device()->settings()),
 180         duck_dragger_(new DuckDrag_Mirror()),
 181         checkbutton_axis_x(_("Horizontal")),
 182         checkbutton_axis_y(_("Vertical"))
 183 {
 184         // Set up the tool options dialog
 185         options_table.attach(*manage(new Gtk::Label(_("Mirror Tool"))), 0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 186         options_table.attach(checkbutton_axis_x, 0, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 187         options_table.attach(checkbutton_axis_y, 0, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 188
 189         checkbutton_axis_x.signal_toggled().connect(sigc::mem_fun(*this,&StateMirror_Context::update_axis_x));
 190         checkbutton_axis_y.signal_toggled().connect(sigc::mem_fun(*this,&StateMirror_Context::update_axis_y));
 191
 192         options_table.show_all();
 193         refresh_tool_options();
 194         App::dialog_tool_options->present();
 195
 196         get_work_area()->set_allow_layer_clicks(true);
 197         get_work_area()->set_duck_dragger(duck_dragger_);
 198
 199 //      get_canvas_view()->work_area->set_cursor(Gdk::CROSSHAIR);
 200         get_canvas_view()->work_area->reset_cursor();
 201
 202         App::toolbox->refresh();
 203
 204         set_axis(AXIS_X);
 205         load_settings();
 206 }
 207
 208 void
 209 StateMirror_Context::refresh_tool_options()
 210 {
 211         App::dialog_tool_options->clear();
 212         App::dialog_tool_options->set_widget(options_table);
 213         App::dialog_tool_options->set_local_name(_("Mirror Tool"));
 214         App::dialog_tool_options->set_name("mirror");
 215 }
 216
 217 Smach::event_result
 218 StateMirror_Context::event_refresh_tool_options(const Smach::event& /*x*/)
 219 {
 220         refresh_tool_options();
 221         return Smach::RESULT_ACCEPT;
 222 }
 223
 224 StateMirror_Context::~StateMirror_Context()
 225 {
 226         save_settings();
 227
 228         get_work_area()->clear_duck_dragger();
 229         get_canvas_view()->work_area->reset_cursor();
 230
 231         App::dialog_tool_options->clear();
 232
 233         App::toolbox->refresh();
 234 }
 235
 236 DuckDrag_Mirror::DuckDrag_Mirror():
 237         axis(AXIS_X)
 238 {
 239 }
 240
 241 #ifndef EPSILON
 242 #define EPSILON 0.0000001
 243 #endif
 244
 245 void
 246 DuckDrag_Mirror::begin_duck_drag(Duckmatic* duckmatic, const synfig::Vector& /*offset*/)
 247 {
 248         const DuckList selected_ducks(duckmatic->get_selected_ducks());
 249         DuckList::const_iterator iter;
 250
 251         positions.clear();
 252         int i;
 253         for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
 254         {
 255                 Point p((*iter)->get_trans_point());
 256                 positions.push_back(p);
 257         }
 258
 259 }
 260
 261 void
 262 DuckDrag_Mirror::duck_drag(Duckmatic* duckmatic, const synfig::Vector& vector)
 263 {
 264         center=vector;
 265         int i;
 266
 267         const DuckList selected_ducks(duckmatic->get_selected_ducks());
 268         DuckList::const_iterator iter;
 269
 270         // do the Vertex and Position ducks first
 271         for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
 272                 if ((*iter)->get_type() == Duck::TYPE_VERTEX ||
 273                         (*iter)->get_type() == Duck::TYPE_POSITION)
 274                 {
 275                         Vector p(positions[i]);
 276
 277                         if              (axis==AXIS_X) p[0] = -(p[0]-center[0]) + center[0];
 278                         else if (axis==AXIS_Y) p[1] = -(p[1]-center[1]) + center[1];
 279
 280                         (*iter)->set_trans_point(p);
 281                 }
 282
 283         // then do the other ducks
 284         for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
 285                 if ((*iter)->get_type() != Duck::TYPE_VERTEX &&
 286                         (*iter)->get_type() != Duck::TYPE_POSITION)
 287                 {
 288                         // we don't need to mirror radius ducks - they're one-dimensional
 289                         if ((*iter)->is_radius())
 290                                 continue;
 291
 292                         Vector p(positions[i]);
 293
 294                         if              (axis==AXIS_X) p[0] = -(p[0]-center[0]) + center[0];
 295                         else if (axis==AXIS_Y) p[1] = -(p[1]-center[1]) + center[1];
 296
 297                         (*iter)->set_trans_point(p);
 298                 }
 299 }
 300
 301 bool
 302 DuckDrag_Mirror::end_duck_drag(Duckmatic* duckmatic)
 303 {
 304         duckmatic->signal_edited_selected_ducks();
 305         return true;
 306 }