Get rid of all references to the bootstrap script since it was removed
[synfig.git] / synfig-studio / trunk / src / gtkmm / state_gradient.cpp
1 /* === S Y N F I G ========================================================= */
2 /*!     \file state_gradient.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_gradient.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
51 #include "widget_enum.h"
52 #include <synfigapp/main.h>
53
54 #include "general.h"
55
56 #endif
57
58 /* === U S I N G =========================================================== */
59
60 using namespace std;
61 using namespace etl;
62 using namespace synfig;
63 using namespace studio;
64
65 /* === M A C R O S ========================================================= */
66
67 enum
68 {
69         GRADIENT_INTERPOLATION_LINEAR=0,
70         GRADIENT_RADIAL=1,
71         GRADIENT_CONICAL=2,
72         GRADIENT_SPIRAL=3
73 };
74
75 /* === G L O B A L S ======================================================= */
76
77 StateGradient studio::state_gradient;
78
79 /* === C L A S S E S & S T R U C T S ======================================= */
80
81 class studio::StateGradient_Context : public sigc::trackable
82 {
83         etl::handle<CanvasView> canvas_view_;
84         CanvasView::IsWorking is_working;
85
86         Duckmatic::Push duckmatic_push;
87
88         synfigapp::Settings& settings;
89
90         Point point_holder;
91
92         etl::handle<Duck> point2_duck;
93
94         void refresh_ducks();
95
96         bool prev_workarea_layer_status_;
97
98         Gtk::Table options_table;
99         Gtk::Entry entry_id;
100         Widget_Enum enum_type;
101         Widget_Enum     enum_blend;
102
103 public:
104         synfig::String get_id()const { return entry_id.get_text(); }
105         void set_id(const synfig::String& x) { return entry_id.set_text(x); }
106
107         int get_type()const { return enum_type.get_value(); }
108         void set_type(int x) { return enum_type.set_value(x); }
109
110         int get_blend()const { return enum_blend.get_value(); }
111         void set_blend(int x) { return enum_blend.set_value(x); }
112
113         Smach::event_result event_stop_handler(const Smach::event& x);
114
115         Smach::event_result event_refresh_handler(const Smach::event& x);
116
117         Smach::event_result event_mouse_click_handler(const Smach::event& x);
118         Smach::event_result event_refresh_tool_options(const Smach::event& x);
119
120         void refresh_tool_options();
121
122         StateGradient_Context(CanvasView* canvas_view);
123
124         ~StateGradient_Context();
125
126         const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view_;}
127         etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
128         synfig::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
129         WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
130
131         //void on_user_click(synfig::Point point);
132         void load_settings();
133         void save_settings();
134         void reset();
135         void increment_id();
136
137         void make_gradient(const Point& p1, const Point& p2);
138         bool egress_on_selection_change;
139         Smach::event_result event_layer_selection_changed_handler(const Smach::event& /*x*/)
140         {
141                 if(egress_on_selection_change)
142                         throw Smach::egress_exception();
143                 return Smach::RESULT_OK;
144         }
145
146 };      // END of class StateGradient_Context
147
148 /* === M E T H O D S ======================================================= */
149
150 StateGradient::StateGradient():
151         Smach::state<StateGradient_Context>("gradient")
152 {
153         insert(event_def(EVENT_LAYER_SELECTION_CHANGED,&StateGradient_Context::event_layer_selection_changed_handler));
154         insert(event_def(EVENT_STOP,&StateGradient_Context::event_stop_handler));
155         insert(event_def(EVENT_TABLES_SHOW,&StateGradient_Context::event_stop_handler));
156         insert(event_def(EVENT_REFRESH,&StateGradient_Context::event_refresh_handler));
157         insert(event_def(EVENT_REFRESH_DUCKS,&StateGradient_Context::event_refresh_handler));
158         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,&StateGradient_Context::event_mouse_click_handler));
159         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DRAG,&StateGradient_Context::event_mouse_click_handler));
160         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_UP,&StateGradient_Context::event_mouse_click_handler));
161         insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateGradient_Context::event_refresh_tool_options));
162 }
163
164 StateGradient::~StateGradient()
165 {
166 }
167
168 void
169 StateGradient_Context::load_settings()
170 {
171         String value;
172
173         if(settings.get_value("gradient.id",value))
174                 set_id(value);
175         else
176                 set_id("Gradient");
177
178         if(settings.get_value("gradient.type",value))
179                 set_type(atoi(value.c_str()));
180         else
181                 set_type(GRADIENT_INTERPOLATION_LINEAR);
182
183         if(settings.get_value("gradient.blend",value))
184                 set_blend(atoi(value.c_str()));
185         else
186                 set_blend(Color::BLEND_COMPOSITE);
187 }
188
189 void
190 StateGradient_Context::save_settings()
191 {
192         settings.set_value("gradient.id",get_id().c_str());
193         settings.set_value("gradient.type",strprintf("%d",get_type()));
194         settings.set_value("gradient.blend",strprintf("%d",get_blend()));
195 }
196
197 void
198 StateGradient_Context::reset()
199 {
200         refresh_ducks();
201 }
202
203 void
204 StateGradient_Context::increment_id()
205 {
206         String id(get_id());
207         int number=1;
208         int digits=0;
209
210         if(id.empty())
211                 id="Gradient";
212
213         // If there is a number
214         // already at the end of the
215         // id, then remove it.
216         if(id[id.size()-1]<='9' && id[id.size()-1]>='0')
217         {
218                 // figure out how many digits it is
219                 for (digits = 0;
220                          (int)id.size()-1 >= digits && id[id.size()-1-digits] <= '9' && id[id.size()-1-digits] >= '0';
221                          digits++)
222                         ;
223
224                 String str_number;
225                 str_number=String(id,id.size()-digits,id.size());
226                 id=String(id,0,id.size()-digits);
227
228                 number=atoi(str_number.c_str());
229         }
230         else
231         {
232                 number=1;
233                 digits=3;
234         }
235
236         number++;
237
238         // Add the number back onto the id
239         {
240                 const String format(strprintf("%%0%dd",digits));
241                 id+=strprintf(format.c_str(),number);
242         }
243
244         // Set the ID
245         set_id(id);
246 }
247
248 StateGradient_Context::StateGradient_Context(CanvasView* canvas_view):
249         canvas_view_(canvas_view),
250         is_working(*canvas_view),
251         duckmatic_push(get_work_area()),
252         settings(synfigapp::Main::get_selected_input_device()->settings()),
253         prev_workarea_layer_status_(get_work_area()->get_allow_layer_clicks()),
254         entry_id()
255 {
256         egress_on_selection_change=true;
257         // Set up the tool options dialog
258         ///options_table.attach(*manage(new Gtk::Label(_("Gradient Tool"))), 0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
259         options_table.attach(entry_id, 0, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
260
261         enum_type.set_param_desc(ParamDesc("type")
262                 .set_local_name(_("Gradient Type"))
263                 .set_description(_("Determines the type of Gradient used"))
264                 .set_hint("enum")
265                 .add_enum_value(GRADIENT_INTERPOLATION_LINEAR,"linear",_("Linear"))
266                 .add_enum_value(GRADIENT_RADIAL,"radial",_("Radial"))
267                 .add_enum_value(GRADIENT_CONICAL,"conical",_("Conical"))
268                 .add_enum_value(GRADIENT_SPIRAL,"spiral",_("Spiral")));
269
270         enum_blend.set_param_desc(ParamDesc(Color::BLEND_COMPOSITE,"blend_method")
271                 .set_local_name(_("Blend Method"))
272                 .set_description(_("The blend method the gradient will use")));
273
274         load_settings();
275
276         options_table.attach(enum_type, 0, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
277         options_table.attach(enum_blend, 0, 2, 3, 4, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
278
279         options_table.show_all();
280         refresh_tool_options();
281         App::dialog_tool_options->present();
282
283
284         // Turn off layer clicking
285         get_work_area()->set_allow_layer_clicks(false);
286
287         get_canvas_view()->work_area->set_cursor(Gdk::CROSSHAIR);
288
289         // clear out the ducks
290         get_work_area()->clear_ducks();
291
292         // Refresh the work area
293         get_work_area()->queue_draw();
294
295         get_work_area()->refresh_cursor();
296
297         // Hide the tables if they are showing
298         get_canvas_view()->hide_tables();
299
300         // Disable the time bar
301         //get_canvas_view()->set_sensitive_timebar(false);
302
303         // Connect a signal
304         //get_work_area()->signal_user_click().connect(sigc::mem_fun(*this,&studio::StateGradient_Context::on_user_click));
305
306         App::toolbox->refresh();
307 }
308
309 void
310 StateGradient_Context::refresh_tool_options()
311 {
312         App::dialog_tool_options->clear();
313         App::dialog_tool_options->set_widget(options_table);
314         App::dialog_tool_options->set_local_name(_("Gradient Tool"));
315         App::dialog_tool_options->set_name("gradient");
316 }
317
318 Smach::event_result
319 StateGradient_Context::event_refresh_tool_options(const Smach::event& /*x*/)
320 {
321         refresh_tool_options();
322         return Smach::RESULT_ACCEPT;
323 }
324
325 StateGradient_Context::~StateGradient_Context()
326 {
327         save_settings();
328
329         // Restore layer clicking
330 //      get_work_area()->set_allow_layer_clicks(prev_workarea_layer_status_);
331         get_work_area()->set_allow_layer_clicks(true);
332         get_canvas_view()->work_area->reset_cursor();
333
334         App::dialog_tool_options->clear();
335
336         // Enable the time bar
337         //get_canvas_view()->set_sensitive_timebar(true);
338
339         // Bring back the tables if they were out before
340         //if(prev_table_status)get_canvas_view()->show_tables();
341
342         // Refresh the work area
343         get_work_area()->queue_draw();
344
345         //get_canvas_view()->show_tables();
346
347         get_work_area()->refresh_cursor();
348
349         App::toolbox->refresh();
350 }
351
352 Smach::event_result
353 StateGradient_Context::event_stop_handler(const Smach::event& /*x*/)
354 {
355         throw Smach::egress_exception();
356 }
357
358 Smach::event_result
359 StateGradient_Context::event_refresh_handler(const Smach::event& /*x*/)
360 {
361         refresh_ducks();
362         return Smach::RESULT_ACCEPT;
363 }
364
365 void
366 StateGradient_Context::make_gradient(const Point& _p1, const Point& _p2)
367 {
368         synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("New Gradient"));
369         synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
370
371         Layer::Handle layer;
372
373         Canvas::Handle canvas(get_canvas_view()->get_canvas());
374         int depth(0);
375
376         // we are temporarily using the layer to hold something
377         layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
378         if(layer)
379         {
380                 depth=layer->get_depth();
381                 canvas=layer->get_canvas();
382         }
383         const synfig::TransformStack& transform(get_canvas_view()->get_curr_transform_stack());
384         const Point p1(transform.unperform(_p1));
385         const Point p2(transform.unperform(_p2));
386
387         switch(get_type())
388         {
389         case GRADIENT_INTERPOLATION_LINEAR:
390
391                 layer=get_canvas_interface()->add_layer_to("linear_gradient",canvas,depth);
392                 layer->set_param("p1",p1);
393                 get_canvas_interface()->signal_layer_param_changed()(layer,"p1");
394                 layer->set_param("p2",p2);
395                 get_canvas_interface()->signal_layer_param_changed()(layer,"p2");
396                 break;
397         case GRADIENT_RADIAL:
398                 layer=get_canvas_interface()->add_layer_to("radial_gradient",canvas,depth);
399                 layer->set_param("center",p1);
400                 get_canvas_interface()->signal_layer_param_changed()(layer,"center");
401                 layer->set_param("radius",(p2-p1).mag());
402                 get_canvas_interface()->signal_layer_param_changed()(layer,"radius");
403                 break;
404         case GRADIENT_CONICAL:
405                 layer=get_canvas_interface()->add_layer_to("conical_gradient",canvas,depth);
406                 layer->set_param("center",p1);
407                 get_canvas_interface()->signal_layer_param_changed()(layer,"center");
408                 {
409                         Vector diff(p2-p1);
410                         layer->set_param("angle",Angle::tan(diff[1],diff[0]));
411                         get_canvas_interface()->signal_layer_param_changed()(layer,"angle");
412                 }
413                 break;
414         case GRADIENT_SPIRAL:
415                 layer=get_canvas_interface()->add_layer_to("spiral_gradient",canvas,depth);
416                 layer->set_param("center",p1);
417                 get_canvas_interface()->signal_layer_param_changed()(layer,"center");
418                 layer->set_param("radius",(p2-p1).mag());
419                 get_canvas_interface()->signal_layer_param_changed()(layer,"radius");
420                 {
421                         Vector diff(p2-p1);
422                         layer->set_param("angle",Angle::tan(diff[1],diff[0]));
423                         get_canvas_interface()->signal_layer_param_changed()(layer,"angle");
424                 }
425                 break;
426
427         default:
428                 return;
429         }
430
431         layer->set_param("blend_method",get_blend());
432         get_canvas_interface()->signal_layer_param_changed()(layer,"blend_method");
433
434         layer->set_description(get_id());
435         get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
436
437         egress_on_selection_change=false;
438         get_canvas_interface()->get_selection_manager()->clear_selected_layers();
439         get_canvas_interface()->get_selection_manager()->set_selected_layer(layer);
440         egress_on_selection_change=true;
441
442         reset();
443         increment_id();
444 }
445
446 Smach::event_result
447 StateGradient_Context::event_mouse_click_handler(const Smach::event& x)
448 {
449         const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
450
451         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DOWN && event.button==BUTTON_LEFT)
452         {
453                 point_holder=get_work_area()->snap_point_to_grid(event.pos);
454                 etl::handle<Duck> duck=new Duck();
455                 duck->set_point(point_holder);
456                 duck->set_name("p1");
457                 duck->set_type(Duck::TYPE_POSITION);
458                 get_work_area()->add_duck(duck);
459
460                 point2_duck=new Duck();
461                 point2_duck->set_point(point_holder);
462                 point2_duck->set_name("p2");
463                 point2_duck->set_type(Duck::TYPE_POSITION);
464                 get_work_area()->add_duck(point2_duck);
465
466                 handle<Duckmatic::Bezier> bezier(new Duckmatic::Bezier());
467                 bezier->p1=bezier->c1=duck;
468                 bezier->p2=bezier->c2=point2_duck;
469                 get_work_area()->add_bezier(bezier);
470
471                 return Smach::RESULT_ACCEPT;
472         }
473
474         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DRAG && event.button==BUTTON_LEFT)
475         {
476                 point2_duck->set_point(get_work_area()->snap_point_to_grid(event.pos));
477                 get_work_area()->queue_draw();
478                 return Smach::RESULT_ACCEPT;
479         }
480
481         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_UP && event.button==BUTTON_LEFT)
482         {
483                 make_gradient(point_holder, get_work_area()->snap_point_to_grid(event.pos));
484                 get_work_area()->clear_ducks();
485                 return Smach::RESULT_ACCEPT;
486         }
487
488         return Smach::RESULT_OK;
489 }
490
491
492 void
493 StateGradient_Context::refresh_ducks()
494 {
495         get_work_area()->clear_ducks();
496         get_work_area()->queue_draw();
497 }