synfig-studio/trunk/src/gtkmm/mod_mirror/state_mirror.cpp

   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
  83 public:
  84         Axis axis;
  85
  86         DuckDrag_Mirror();
  87         void begin_duck_drag(Duckmatic* duckmatic, const synfig::Vector& begin);
  88         bool end_duck_drag(Duckmatic* duckmatic);
  89         void duck_drag(Duckmatic* duckmatic, const synfig::Vector& vector);
  90 };
  91
  92
  93 class studio::StateMirror_Context : public sigc::trackable
  94 {
  95         etl::handle<CanvasView> canvas_view_;
  96
  97         synfigapp::Settings& settings;
  98
  99         etl::handle<DuckDrag_Mirror> duck_dragger_;
 100
 101         Gtk::Table options_table;
 102
 103
 104         Gtk::CheckButton checkbutton_axis_x;
 105         Gtk::CheckButton checkbutton_axis_y;
 106
 107 public:
 108
 109         Axis get_axis()const { return checkbutton_axis_x.get_active()?AXIS_X:AXIS_Y; }
 110         void set_axis(Axis a)
 111         {
 112                 if(a==AXIS_X)
 113                 {
 114                         checkbutton_axis_x.set_active(true);
 115                         checkbutton_axis_y.set_active(false);
 116                 }
 117                 else
 118                 {
 119                         checkbutton_axis_y.set_active(true);
 120                         checkbutton_axis_x.set_active(false);
 121                 }
 122
 123                 duck_dragger_->axis=get_axis();
 124         }
 125
 126         void update_axis_y()
 127         {
 128                 checkbutton_axis_x.set_active(!checkbutton_axis_y.get_active());
 129                 duck_dragger_->axis=get_axis();
 130         }
 131         void update_axis_x()
 132         {
 133                 checkbutton_axis_y.set_active(!checkbutton_axis_x.get_active());
 134                 duck_dragger_->axis=get_axis();
 135         }
 136         Smach::event_result event_refresh_tool_options(const Smach::event& x);
 137
 138         void refresh_tool_options();
 139
 140         StateMirror_Context(CanvasView* canvas_view);
 141
 142         ~StateMirror_Context();
 143
 144         const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view_;}
 145         etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
 146         synfig::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
 147         WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
 148
 149         void load_settings();
 150         void save_settings();
 151 };      // END of class StateMirror_Context
 152
 153 /* === M E T H O D S ======================================================= */
 154
 155 StateMirror::StateMirror():
 156         Smach::state<StateMirror_Context>("mirror")
 157 {
 158         insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateMirror_Context::event_refresh_tool_options));
 159 }
 160
 161 StateMirror::~StateMirror()
 162 {
 163 }
 164
 165 void
 166 StateMirror_Context::load_settings()
 167 {
 168         String value;
 169
 170         settings.get_value("mirror.axis",value);
 171         set_axis((Axis)atoi(value.c_str()));
 172 }
 173
 174 void
 175 StateMirror_Context::save_settings()
 176 {
 177         settings.set_value("mirror.lock_aspect",strprintf("%d",(int)get_axis()));
 178 }
 179
 180 StateMirror_Context::StateMirror_Context(CanvasView* canvas_view):
 181         canvas_view_(canvas_view),
 182         settings(synfigapp::Main::get_selected_input_device()->settings()),
 183         duck_dragger_(new DuckDrag_Mirror()),
 184         checkbutton_axis_x(_("Horizontal")),
 185         checkbutton_axis_y(_("Vertical"))
 186 {
 187         // Set up the tool options dialog
 188         options_table.attach(*manage(new Gtk::Label(_("Mirror Tool"))), 0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 189         options_table.attach(checkbutton_axis_x, 0, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 190         options_table.attach(checkbutton_axis_y, 0, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 191
 192         checkbutton_axis_x.signal_toggled().connect(sigc::mem_fun(*this,&StateMirror_Context::update_axis_x));
 193         checkbutton_axis_y.signal_toggled().connect(sigc::mem_fun(*this,&StateMirror_Context::update_axis_y));
 194
 195         options_table.show_all();
 196         refresh_tool_options();
 197         App::dialog_tool_options->present();
 198
 199         get_work_area()->set_allow_layer_clicks(true);
 200         get_work_area()->set_duck_dragger(duck_dragger_);
 201
 202 //      get_canvas_view()->work_area->set_cursor(Gdk::CROSSHAIR);
 203         get_canvas_view()->work_area->reset_cursor();
 204
 205         App::toolbox->refresh();
 206
 207         set_axis(AXIS_X);
 208         load_settings();
 209 }
 210
 211 void
 212 StateMirror_Context::refresh_tool_options()
 213 {
 214         App::dialog_tool_options->clear();
 215         App::dialog_tool_options->set_widget(options_table);
 216         App::dialog_tool_options->set_local_name(_("Mirror Tool"));
 217         App::dialog_tool_options->set_name("mirror");
 218 }
 219
 220 Smach::event_result
 221 StateMirror_Context::event_refresh_tool_options(const Smach::event& /*x*/)
 222 {
 223         refresh_tool_options();
 224         return Smach::RESULT_ACCEPT;
 225 }
 226
 227 StateMirror_Context::~StateMirror_Context()
 228 {
 229         save_settings();
 230
 231         get_work_area()->clear_duck_dragger();
 232         get_canvas_view()->work_area->reset_cursor();
 233
 234         App::dialog_tool_options->clear();
 235
 236         App::toolbox->refresh();
 237 }
 238
 239
 240
 241
 242 DuckDrag_Mirror::DuckDrag_Mirror():
 243         axis(AXIS_X)
 244 {
 245 }
 246
 247 #ifndef EPSILON
 248 #define EPSILON 0.0000001
 249 #endif
 250
 251 void
 252 DuckDrag_Mirror::begin_duck_drag(Duckmatic* duckmatic, const synfig::Vector& /*offset*/)
 253 {
 254
 255
 256         const DuckList selected_ducks(duckmatic->get_selected_ducks());
 257         DuckList::const_iterator iter;
 258
 259         positions.clear();
 260         int i;
 261         for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
 262         {
 263                 Point p((*iter)->get_trans_point());
 264                 positions.push_back(p);
 265         }
 266
 267 }
 268
 269
 270 void
 271 DuckDrag_Mirror::duck_drag(Duckmatic* duckmatic, const synfig::Vector& vector)
 272 {
 273         center=vector;
 274         int i;
 275
 276                 const DuckList selected_ducks(duckmatic->get_selected_ducks());
 277                 DuckList::const_iterator iter;
 278         for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
 279         {
 280                 if(((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
 281
 282                 Vector p(positions[i]);
 283                 //Point p((*iter)->get_trans_point());
 284
 285                 if(axis==AXIS_X)
 286                         p[0]=-(p[0]-center[0])+center[0];
 287                 if(axis==AXIS_Y)
 288                         p[1]=-(p[1]-center[1])+center[1];
 289
 290                 (*iter)->set_trans_point(p);
 291         }
 292         for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
 293         {
 294                 if(!((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
 295
 296                 Vector p(positions[i]);
 297                 //Point p((*iter)->get_trans_point());
 298
 299                 if(axis==AXIS_X)
 300                         p[0]=-(p[0]-center[0])+center[0];
 301                 if(axis==AXIS_Y)
 302                         p[1]=-(p[1]-center[1])+center[1];
 303
 304                 (*iter)->set_trans_point(p);
 305         }
 306 }
 307
 308 bool
 309 DuckDrag_Mirror::end_duck_drag(Duckmatic* duckmatic)
 310 {
 311         duckmatic->signal_edited_selected_ducks();
 312         return true;
 313 }