Fix some FTBFS issues when compiling with GCC 4.3
[synfig.git] / synfig-studio / trunk / src / gtkmm / state_circle.cpp
1 /* === S Y N F I G ========================================================= */
2 /*!     \file state_circle.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_circle.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 "widget_enum.h"
51 #include <synfigapp/main.h>
52
53 #include "general.h"
54
55 #endif
56
57 /* === U S I N G =========================================================== */
58
59 using namespace std;
60 using namespace etl;
61 using namespace synfig;
62 using namespace studio;
63
64 /* === M A C R O S ========================================================= */
65 enum CircleFalloff
66 {
67         CIRCLE_SQUARED  =0,
68         CIRCLE_INTERPOLATION_LINEAR     =1,
69         CIRCLE_COSINE   =2,
70         CIRCLE_SIGMOND  =3,
71         CIRCLE_SQRT             =4,
72         CIRCLE_NUM_FALLOFF
73 };
74
75 /* === G L O B A L S ======================================================= */
76
77 StateCircle studio::state_circle;
78
79 /* === C L A S S E S & S T R U C T S ======================================= */
80
81 class studio::StateCircle_Context : public sigc::trackable
82 {
83         etl::handle<CanvasView> canvas_view_;
84         CanvasView::IsWorking is_working;
85
86         Duckmatic::Push duckmatic_push;
87
88         Point point_holder;
89
90         etl::handle<Duck> point2_duck;
91
92         void refresh_ducks();
93
94         bool prev_workarea_layer_status_;
95
96         //Toolbox settings
97         synfigapp::Settings& settings;
98
99         //Toolbox display
100         Gtk::Table options_table;
101
102         Gtk::Entry              entry_id; //what to name the layer
103
104         Widget_Enum             enum_falloff;
105         Widget_Enum             enum_blend;
106
107         Gtk::Adjustment adj_feather;
108         Gtk::SpinButton spin_feather;
109
110         Gtk::CheckButton check_invert;
111
112 public:
113
114         synfig::String get_id()const { return entry_id.get_text(); }
115         void set_id(const synfig::String& x) { return entry_id.set_text(x); }
116
117         int get_falloff()const { return enum_falloff.get_value(); }
118         void set_falloff(int x) { return enum_falloff.set_value(x); }
119
120         int get_blend()const { return enum_blend.get_value(); }
121         void set_blend(int x) { return enum_blend.set_value(x); }
122
123         Real get_feather()const { return adj_feather.get_value(); }
124         void set_feather(Real f) { adj_feather.set_value(f); }
125
126         bool get_invert()const { return check_invert.get_active(); }
127         void set_invert(bool i) { check_invert.set_active(i); }
128
129         void refresh_tool_options(); //to refresh the toolbox
130
131         //events
132         Smach::event_result event_stop_handler(const Smach::event& x);
133         Smach::event_result event_refresh_handler(const Smach::event& x);
134         Smach::event_result event_mouse_click_handler(const Smach::event& x);
135         Smach::event_result event_refresh_tool_options(const Smach::event& x);
136
137         //constructor destructor
138         StateCircle_Context(CanvasView* canvas_view);
139         ~StateCircle_Context();
140
141         //Canvas interaction
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         //Modifying settings etc.
148         void load_settings();
149         void save_settings();
150         void reset();
151         void increment_id();
152         bool egress_on_selection_change;
153         Smach::event_result event_layer_selection_changed_handler(const Smach::event& /*x*/)
154         {
155                 if(egress_on_selection_change)
156                         throw Smach::egress_exception();
157                 return Smach::RESULT_OK;
158         }
159
160         void make_circle(const Point& p1, const Point& p2);
161
162 };      // END of class StateGradient_Context
163
164 /* === M E T H O D S ======================================================= */
165
166 StateCircle::StateCircle():
167         Smach::state<StateCircle_Context>("circle")
168 {
169         insert(event_def(EVENT_LAYER_SELECTION_CHANGED,&StateCircle_Context::event_layer_selection_changed_handler));
170         insert(event_def(EVENT_STOP,&StateCircle_Context::event_stop_handler));
171         insert(event_def(EVENT_REFRESH,&StateCircle_Context::event_refresh_handler));
172         insert(event_def(EVENT_REFRESH_DUCKS,&StateCircle_Context::event_refresh_handler));
173         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,&StateCircle_Context::event_mouse_click_handler));
174         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DRAG,&StateCircle_Context::event_mouse_click_handler));
175         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_UP,&StateCircle_Context::event_mouse_click_handler));
176         insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateCircle_Context::event_refresh_tool_options));
177 }
178
179 StateCircle::~StateCircle()
180 {
181 }
182
183 void
184 StateCircle_Context::load_settings()
185 {
186         String value;
187
188         //parse the arguments yargh!
189         if(settings.get_value("circle.id",value))
190                 set_id(value);
191         else
192                 set_id("Circle");
193
194         if(settings.get_value("circle.fallofftype",value) && value != "")
195                 set_falloff(atoi(value.c_str()));
196         else
197                 set_falloff(2);
198
199         if(settings.get_value("circle.blend",value) && value != "")
200                 set_blend(atoi(value.c_str()));
201         else
202                 set_blend(0);//(int)Color::BLEND_COMPOSITE); //0 should be blend composites value
203
204         if(settings.get_value("circle.feather",value))
205                 set_feather(atof(value.c_str()));
206         else
207                 set_feather(0);
208
209         if(settings.get_value("circle.invert",value) && value != "0")
210                 set_invert(true);
211         else
212                 set_invert(false);
213 }
214
215 void
216 StateCircle_Context::save_settings()
217 {
218         settings.set_value("circle.id",get_id());
219         settings.set_value("circle.fallofftype",strprintf("%d",get_falloff()));
220         settings.set_value("circle.blend",strprintf("%d",get_blend()));
221         settings.set_value("circle.feather",strprintf("%f",(float)get_feather()));
222         settings.set_value("circle.invert",get_invert()?"1":"0");
223 }
224
225 void
226 StateCircle_Context::reset()
227 {
228         refresh_ducks();
229 }
230
231 void
232 StateCircle_Context::increment_id()
233 {
234         String id(get_id());
235         int number=1;
236         int digits=0;
237
238         if(id.empty())
239                 id="Circle";
240
241         // If there is a number
242         // already at the end of the
243         // id, then remove it.
244         if(id[id.size()-1]<='9' && id[id.size()-1]>='0')
245         {
246                 // figure out how many digits it is
247                 for(digits=0;(int)id.size()-1>=digits && id[id.size()-1-digits]<='9' && id[id.size()-1-digits]>='0';digits++)while(false);
248
249                 String str_number;
250                 str_number=String(id,id.size()-digits,id.size());
251                 id=String(id,0,id.size()-digits);
252
253                 number=atoi(str_number.c_str());
254         }
255         else
256         {
257                 number=1;
258                 digits=3;
259         }
260
261         number++;
262
263         // Add the number back onto the id
264         {
265                 const String format(strprintf("%%0%dd",digits));
266                 id+=strprintf(format.c_str(),number);
267         }
268
269         // Set the ID
270         set_id(id);
271 }
272
273 StateCircle_Context::StateCircle_Context(CanvasView* canvas_view):
274         canvas_view_(canvas_view),
275         is_working(*canvas_view),
276         duckmatic_push(get_work_area()),
277         prev_workarea_layer_status_(get_work_area()->get_allow_layer_clicks()),
278         settings(synfigapp::Main::get_selected_input_device()->settings()),
279         entry_id(),
280         adj_feather(0,0,1,0.01,0.1),
281         spin_feather(adj_feather,0.1,3),
282         check_invert(_("Invert"))
283 {
284         egress_on_selection_change=true;
285         // Set up the tool options dialog
286         //options_table.attach(*manage(new Gtk::Label(_("Circle Tool"))), 0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
287         options_table.attach(entry_id, 0, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
288
289         enum_falloff.set_param_desc(ParamDesc("falloff")
290                 .set_local_name(_("Falloff"))
291                 .set_description(_("Determines the falloff function for the feather"))
292                 .set_hint("enum")
293                 .add_enum_value(CIRCLE_INTERPOLATION_LINEAR,"linear",_("Linear"))
294                 .add_enum_value(CIRCLE_SQUARED,"squared",_("Squared"))
295                 .add_enum_value(CIRCLE_SQRT,"sqrt",_("Square Root"))
296                 .add_enum_value(CIRCLE_SIGMOND,"sigmond",_("Sigmond"))
297                 .add_enum_value(CIRCLE_COSINE,"cosine",_("Cosine")));
298
299         enum_blend.set_param_desc(ParamDesc(Color::BLEND_COMPOSITE,"blend_method")
300                 .set_local_name(_("Blend Method"))
301                 .set_description(_("Defines the blend method to be used for circles")));
302
303         load_settings();
304
305         //feather stuff
306         options_table.attach(*manage(new Gtk::Label(_("Feather:"))), 0, 1, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
307         options_table.attach(spin_feather, 1, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
308         options_table.attach(enum_falloff, 0, 2, 4, 5, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
309         options_table.attach(enum_blend, 0, 2, 5, 6, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
310
311         //invert flag
312         options_table.attach(check_invert, 0, 2, 6, 7, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
313
314         options_table.show_all();
315
316         refresh_tool_options();
317         App::dialog_tool_options->present();
318
319         // Turn off layer clicking
320         get_work_area()->set_allow_layer_clicks(false);
321
322         // clear out the ducks
323         get_work_area()->clear_ducks();
324
325         // Refresh the work area
326         get_work_area()->queue_draw();
327
328         // Hide the tables if they are showing
329         //prev_table_status=get_canvas_view()->tables_are_visible();
330         //if(prev_table_status)get_canvas_view()->hide_tables();
331
332         // Disable the time bar
333         //get_canvas_view()->set_sensitive_timebar(false);
334
335         // Connect a signal
336         //get_work_area()->signal_user_click().connect(sigc::mem_fun(*this,&studio::StateCircle_Context::on_user_click));
337         get_canvas_view()->work_area->set_cursor(Gdk::CROSSHAIR);
338
339         App::toolbox->refresh();
340 }
341
342 void
343 StateCircle_Context::refresh_tool_options()
344 {
345         App::dialog_tool_options->clear();
346         App::dialog_tool_options->set_widget(options_table);
347         App::dialog_tool_options->set_local_name(_("Circle Tool"));
348         App::dialog_tool_options->set_name("circle");
349 }
350
351 Smach::event_result
352 StateCircle_Context::event_refresh_tool_options(const Smach::event& /*x*/)
353 {
354         refresh_tool_options();
355         return Smach::RESULT_ACCEPT;
356 }
357
358 StateCircle_Context::~StateCircle_Context()
359 {
360         save_settings();
361
362         // Restore layer clicking
363         get_work_area()->set_allow_layer_clicks(prev_workarea_layer_status_);
364         get_canvas_view()->work_area->reset_cursor();
365
366         App::dialog_tool_options->clear();
367
368         // Enable the time bar
369         //get_canvas_view()->set_sensitive_timebar(true);
370
371         // Bring back the tables if they were out before
372         //if(prev_table_status)get_canvas_view()->show_tables();
373
374         // Refresh the work area
375         get_work_area()->queue_draw();
376
377         App::toolbox->refresh();
378 }
379
380 Smach::event_result
381 StateCircle_Context::event_stop_handler(const Smach::event& /*x*/)
382 {
383         throw Smach::egress_exception();
384 }
385
386 Smach::event_result
387 StateCircle_Context::event_refresh_handler(const Smach::event& /*x*/)
388 {
389         refresh_ducks();
390         return Smach::RESULT_ACCEPT;
391 }
392
393 void
394 StateCircle_Context::make_circle(const Point& _p1, const Point& _p2)
395 {
396         synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("New Circle"));
397         synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
398
399         Layer::Handle layer;
400
401         Canvas::Handle canvas(get_canvas_view()->get_canvas());
402         int depth(0);
403
404         // we are temporarily using the layer to hold something
405         layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
406         if(layer)
407         {
408                 depth=layer->get_depth();
409                 canvas=layer->get_canvas();
410         }
411
412         const synfig::TransformStack& transform(get_canvas_view()->get_curr_transform_stack());
413         const Point p1(transform.unperform(_p1));
414         const Point p2(transform.unperform(_p2));
415
416         if(get_falloff() >= 0 && get_falloff() < CIRCLE_NUM_FALLOFF)
417         {
418
419                 layer=get_canvas_interface()->add_layer_to("circle",canvas,depth);
420
421                 layer->set_param("pos",p1);
422                 get_canvas_interface()->signal_layer_param_changed()(layer,"pos");
423
424                 layer->set_param("radius",(p2-p1).mag());
425                 get_canvas_interface()->signal_layer_param_changed()(layer,"radius");
426
427                 layer->set_param("falloff",get_falloff());
428                 get_canvas_interface()->signal_layer_param_changed()(layer,"falloff");
429
430                 layer->set_param("feather",get_feather());
431                 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
432
433                 layer->set_param("invert",get_invert());
434                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
435
436                 layer->set_param("blend_method",get_blend());
437                 get_canvas_interface()->signal_layer_param_changed()(layer,"blend_method");
438
439                 layer->set_description(get_id());
440                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
441
442                 egress_on_selection_change=false;
443                 get_canvas_interface()->get_selection_manager()->clear_selected_layers();
444                 get_canvas_interface()->get_selection_manager()->set_selected_layer(layer);
445                 egress_on_selection_change=true;
446         }
447
448         reset();
449         increment_id();
450 }
451
452 Smach::event_result
453 StateCircle_Context::event_mouse_click_handler(const Smach::event& x)
454 {
455         const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
456
457         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DOWN && event.button==BUTTON_LEFT)
458         {
459                 point_holder=get_work_area()->snap_point_to_grid(event.pos);
460                 etl::handle<Duck> duck=new Duck();
461                 duck->set_point(point_holder);
462                 duck->set_name("p1");
463                 duck->set_type(Duck::TYPE_POSITION);
464                 duck->set_editable(false);
465                 get_work_area()->add_duck(duck);
466
467                 point2_duck=new Duck();
468                 point2_duck->set_point(Vector(0,0));
469                 point2_duck->set_name("radius");
470                 point2_duck->set_origin(duck);
471                 point2_duck->set_radius(true);
472                 point2_duck->set_scalar(-1);
473                 point2_duck->set_type(Duck::TYPE_RADIUS);
474                 get_work_area()->add_duck(point2_duck);
475
476                 return Smach::RESULT_ACCEPT;
477         }
478
479         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DRAG && event.button==BUTTON_LEFT)
480         {
481                 point2_duck->set_point(point_holder-get_work_area()->snap_point_to_grid(event.pos));
482                 get_work_area()->queue_draw();
483                 return Smach::RESULT_ACCEPT;
484         }
485
486         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_UP && event.button==BUTTON_LEFT)
487         {
488                 make_circle(point_holder, get_work_area()->snap_point_to_grid(event.pos));
489                 get_work_area()->clear_ducks();
490                 return Smach::RESULT_ACCEPT;
491         }
492
493         return Smach::RESULT_OK;
494 }
495
496
497 void
498 StateCircle_Context::refresh_ducks()
499 {
500         get_work_area()->clear_ducks();
501         get_work_area()->queue_draw();
502 }