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 #endif
  53
  54 /* === U S I N G =========================================================== */
  55
  56 using namespace std;
  57 using namespace etl;
  58 using namespace synfig;
  59 using namespace studio;
  60
  61 /* === M A C R O S ========================================================= */
  62
  63 enum Axis {
  64         AXIS_X,
  65         AXIS_Y
  66 } ;
  67
  68 /* === G L O B A L S ======================================================= */
  69
  70 StateMirror studio::state_mirror;
  71
  72 /* === C L A S S E S & S T R U C T S ======================================= */
  73
  74 class DuckDrag_Mirror : public DuckDrag_Base
  75 {
  76         synfig::Vector center;
  77
  78         std::vector<synfig::Vector> positions;
  79
  80
  81 public:
  82         Axis axis;
  83
  84         DuckDrag_Mirror();
  85         void begin_duck_drag(Duckmatic* duckmatic, const synfig::Vector& begin);
  86         bool end_duck_drag(Duckmatic* duckmatic);
  87         void duck_drag(Duckmatic* duckmatic, const synfig::Vector& vector);
  88 };
  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
 102         Gtk::CheckButton checkbutton_axis_x;
 103         Gtk::CheckButton checkbutton_axis_y;
 104
 105 public:
 106
 107         Axis get_axis()const { return checkbutton_axis_x.get_active()?AXIS_X:AXIS_Y; }
 108         void set_axis(Axis a)
 109         {
 110                 if(a==AXIS_X)
 111                 {
 112                         checkbutton_axis_x.set_active(true);
 113                         checkbutton_axis_y.set_active(false);
 114                 }
 115                 else
 116                 {
 117                         checkbutton_axis_y.set_active(true);
 118                         checkbutton_axis_x.set_active(false);
 119                 }
 120
 121                 duck_dragger_->axis=get_axis();
 122         }
 123
 124         void update_axis_y()
 125         {
 126                 checkbutton_axis_x.set_active(!checkbutton_axis_y.get_active());
 127                 duck_dragger_->axis=get_axis();
 128         }
 129         void update_axis_x()
 130         {
 131                 checkbutton_axis_y.set_active(!checkbutton_axis_x.get_active());
 132                 duck_dragger_->axis=get_axis();
 133         }
 134         Smach::event_result event_refresh_tool_options(const Smach::event& x);
 135
 136         void refresh_tool_options();
 137
 138         StateMirror_Context(CanvasView* canvas_view);
 139
 140         ~StateMirror_Context();
 141
 142         const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view_;}
 143         etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
 144         synfig::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
 145         WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
 146
 147         void load_settings();
 148         void save_settings();
 149 };      // END of class StateMirror_Context
 150
 151 /* === M E T H O D S ======================================================= */
 152
 153 StateMirror::StateMirror():
 154         Smach::state<StateMirror_Context>("mirror")
 155 {
 156         insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateMirror_Context::event_refresh_tool_options));
 157 }
 158
 159 StateMirror::~StateMirror()
 160 {
 161 }
 162
 163 void
 164 StateMirror_Context::load_settings()
 165 {
 166         String value;
 167
 168         settings.get_value("mirror.axis",value);
 169         set_axis((Axis)atoi(value.c_str()));
 170 }
 171
 172 void
 173 StateMirror_Context::save_settings()
 174 {
 175         settings.set_value("mirror.lock_aspect",strprintf("%d",(int)get_axis()));
 176 }
 177
 178 StateMirror_Context::StateMirror_Context(CanvasView* canvas_view):
 179         canvas_view_(canvas_view),
 180         settings(synfigapp::Main::get_selected_input_device()->settings()),
 181         duck_dragger_(new DuckDrag_Mirror()),
 182         checkbutton_axis_x(_("Horizontal")),
 183         checkbutton_axis_y(_("Vertical"))
 184 {
 185         // Set up the tool options dialog
 186         options_table.attach(*manage(new Gtk::Label(_("Mirror Tool"))), 0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 187         options_table.attach(checkbutton_axis_x, 0, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 188         options_table.attach(checkbutton_axis_y, 0, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 189
 190         checkbutton_axis_x.signal_toggled().connect(sigc::mem_fun(*this,&StateMirror_Context::update_axis_x));
 191         checkbutton_axis_y.signal_toggled().connect(sigc::mem_fun(*this,&StateMirror_Context::update_axis_y));
 192
 193         options_table.show_all();
 194         refresh_tool_options();
 195         App::dialog_tool_options->present();
 196
 197         get_work_area()->allow_layer_clicks=true;
 198         get_work_area()->set_duck_dragger(duck_dragger_);
 199
 200 //      get_canvas_view()->work_area->set_cursor(Gdk::CROSSHAIR);
 201         get_canvas_view()->work_area->reset_cursor();
 202
 203         App::toolbox->refresh();
 204
 205         set_axis(AXIS_X);
 206         load_settings();
 207 }
 208
 209 void
 210 StateMirror_Context::refresh_tool_options()
 211 {
 212         App::dialog_tool_options->clear();
 213         App::dialog_tool_options->set_widget(options_table);
 214         App::dialog_tool_options->set_local_name(_("Mirror Tool"));
 215         App::dialog_tool_options->set_name("mirror");
 216 }
 217
 218 Smach::event_result
 219 StateMirror_Context::event_refresh_tool_options(const Smach::event& x)
 220 {
 221         refresh_tool_options();
 222         return Smach::RESULT_ACCEPT;
 223 }
 224
 225 StateMirror_Context::~StateMirror_Context()
 226 {
 227         save_settings();
 228
 229         get_work_area()->clear_duck_dragger();
 230         get_canvas_view()->work_area->reset_cursor();
 231
 232         App::dialog_tool_options->clear();
 233
 234         App::toolbox->refresh();
 235 }
 236
 237
 238
 239
 240 DuckDrag_Mirror::DuckDrag_Mirror():
 241         axis(AXIS_X)
 242 {
 243 }
 244
 245 #ifndef EPSILON
 246 #define EPSILON 0.0000001
 247 #endif
 248
 249 void
 250 DuckDrag_Mirror::begin_duck_drag(Duckmatic* duckmatic, const synfig::Vector& offset)
 251 {
 252
 253
 254         const DuckList selected_ducks(duckmatic->get_selected_ducks());
 255         DuckList::const_iterator iter;
 256
 257         positions.clear();
 258         int i;
 259         for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
 260         {
 261                 Point p((*iter)->get_trans_point());
 262                 positions.push_back(p);
 263         }
 264
 265 }
 266
 267
 268 void
 269 DuckDrag_Mirror::duck_drag(Duckmatic* duckmatic, const synfig::Vector& vector)
 270 {
 271         center=vector;
 272         int i;
 273
 274                 const DuckList selected_ducks(duckmatic->get_selected_ducks());
 275                 DuckList::const_iterator iter;
 276         for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
 277         {
 278                 if(((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
 279
 280                 Vector p(positions[i]);
 281                 //Point p((*iter)->get_trans_point());
 282
 283                 if(axis==AXIS_X)
 284                         p[0]=-(p[0]-center[0])+center[0];
 285                 if(axis==AXIS_Y)
 286                         p[1]=-(p[1]-center[1])+center[1];
 287
 288                 (*iter)->set_trans_point(p);
 289         }
 290         for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
 291         {
 292                 if(!((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
 293
 294                 Vector p(positions[i]);
 295                 //Point p((*iter)->get_trans_point());
 296
 297                 if(axis==AXIS_X)
 298                         p[0]=-(p[0]-center[0])+center[0];
 299                 if(axis==AXIS_Y)
 300                         p[1]=-(p[1]-center[1])+center[1];
 301
 302                 (*iter)->set_trans_point(p);
 303         }
 304 }
 305
 306 bool
 307 DuckDrag_Mirror::end_duck_drag(Duckmatic* duckmatic)
 308 {
 309         duckmatic->signal_edited_selected_ducks();
 310         return true;
 311 }