7b0d1a59bb161780e61c1e86d13b38545f4e2bb1
[synfig.git] / 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 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                         Vector p(positions[i]);
289
290                         if              (axis==AXIS_X) p[0] = -(p[0]-center[0]) + center[0];
291                         else if (axis==AXIS_Y) p[1] = -(p[1]-center[1]) + center[1];
292
293                         (*iter)->set_trans_point(p);
294                 }
295 }
296
297 bool
298 DuckDrag_Mirror::end_duck_drag(Duckmatic* duckmatic)
299 {
300         duckmatic->signal_edited_selected_ducks();
301         return true;
302 }