synfig-studio/tags/stable/src/gtkmm/mod_mirror/state_mirror.cpp

   1 /* === S I N F G =========================================================== */
   2 /*!     \file state_mirror.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id: state_mirror.cpp,v 1.1.1.1 2005/01/07 03:34:37 darco Exp $
   6 **
   7 **      \legal
   8 **      Copyright (c) 2002 Robert B. Quattlebaum Jr.
   9 **
  10 **      This software and associated documentation
  11 **      are CONFIDENTIAL and PROPRIETARY property of
  12 **      the above-mentioned copyright holder.
  13 **
  14 **      You may not copy, print, publish, or in any
  15 **      other way distribute this software without
  16 **      a prior written agreement with
  17 **      the copyright holder.
  18 **      \endlegal
  19 */
  20 /* ========================================================================= */
  21
  22 /* === H E A D E R S ======================================================= */
  23
  24 #ifdef USING_PCH
  25 #       include "pch.h"
  26 #else
  27 #ifdef HAVE_CONFIG_H
  28 #       include <config.h>
  29 #endif
  30
  31 #include <gtkmm/dialog.h>
  32 #include <gtkmm/entry.h>
  33
  34 #include <sinfg/valuenode_dynamiclist.h>
  35 #include <sinfgapp/action_system.h>
  36
  37 #include "state_mirror.h"
  38 #include "../canvasview.h"
  39 #include "../workarea.h"
  40 #include "../app.h"
  41
  42 #include <sinfgapp/action.h>
  43 #include "../event_mouse.h"
  44 #include "../event_layerclick.h"
  45 #include "../toolbox.h"
  46 #include "../dialog_tooloptions.h"
  47 #include <gtkmm/optionmenu.h>
  48 #include "../duck.h"
  49 #include <sinfgapp/main.h>
  50
  51 #endif
  52
  53 /* === U S I N G =========================================================== */
  54
  55 using namespace std;
  56 using namespace etl;
  57 using namespace sinfg;
  58 using namespace studio;
  59
  60 /* === M A C R O S ========================================================= */
  61
  62 enum Axis {
  63         AXIS_X,
  64         AXIS_Y
  65 } ;
  66
  67 /* === G L O B A L S ======================================================= */
  68
  69 StateMirror studio::state_mirror;
  70
  71 /* === C L A S S E S & S T R U C T S ======================================= */
  72
  73 class DuckDrag_Mirror : public DuckDrag_Base
  74 {
  75         sinfg::Vector center;
  76
  77         std::vector<sinfg::Vector> positions;
  78
  79
  80 public:
  81         Axis axis;
  82
  83         DuckDrag_Mirror();
  84         void begin_duck_drag(Duckmatic* duckmatic, const sinfg::Vector& begin);
  85         bool end_duck_drag(Duckmatic* duckmatic);
  86         void duck_drag(Duckmatic* duckmatic, const sinfg::Vector& vector);
  87 };
  88
  89
  90 class studio::StateMirror_Context : public sigc::trackable
  91 {
  92         etl::handle<CanvasView> canvas_view_;
  93
  94         sinfgapp::Settings& settings;
  95
  96         etl::handle<DuckDrag_Mirror> duck_dragger_;
  97
  98         Gtk::Table options_table;
  99
 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<sinfgapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
 143         sinfg::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(sinfgapp::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()->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
 237
 238
 239 DuckDrag_Mirror::DuckDrag_Mirror():
 240         axis(AXIS_X)
 241 {
 242 }
 243
 244 #ifndef EPSILON
 245 #define EPSILON 0.0000001
 246 #endif
 247
 248 void
 249 DuckDrag_Mirror::begin_duck_drag(Duckmatic* duckmatic, const sinfg::Vector& offset)
 250 {
 251
 252
 253         const DuckList selected_ducks(duckmatic->get_selected_ducks());
 254         DuckList::const_iterator iter;
 255
 256         positions.clear();
 257         int i;
 258         for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
 259         {
 260                 Point p((*iter)->get_trans_point());
 261                 positions.push_back(p);
 262         }
 263
 264 }
 265
 266
 267 void
 268 DuckDrag_Mirror::duck_drag(Duckmatic* duckmatic, const sinfg::Vector& vector)
 269 {
 270         center=vector;
 271         int i;
 272
 273                 const DuckList selected_ducks(duckmatic->get_selected_ducks());
 274                 DuckList::const_iterator iter;
 275         for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
 276         {
 277                 if(((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
 278
 279                 Vector p(positions[i]);
 280                 //Point p((*iter)->get_trans_point());
 281
 282                 if(axis==AXIS_X)
 283                         p[0]=-(p[0]-center[0])+center[0];
 284                 if(axis==AXIS_Y)
 285                         p[1]=-(p[1]-center[1])+center[1];
 286
 287                 (*iter)->set_trans_point(p);
 288         }
 289         for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
 290         {
 291                 if(!((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
 292
 293                 Vector p(positions[i]);
 294                 //Point p((*iter)->get_trans_point());
 295
 296                 if(axis==AXIS_X)
 297                         p[0]=-(p[0]-center[0])+center[0];
 298                 if(axis==AXIS_Y)
 299                         p[1]=-(p[1]-center[1])+center[1];
 300
 301                 (*iter)->set_trans_point(p);
 302         }
 303 }
 304
 305 bool
 306 DuckDrag_Mirror::end_duck_drag(Duckmatic* duckmatic)
 307 {
 308         duckmatic->signal_edited_selected_ducks();
 309         return true;
 310 }