1 /* === S I N F G =========================================================== */
2 /*! \file state_gradient.cpp
3 ** \brief Template File
5 ** $Id: state_gradient.cpp,v 1.1.1.1 2005/01/07 03:34:36 darco Exp $
8 ** Copyright (c) 2002 Robert B. Quattlebaum Jr.
10 ** This software and associated documentation
11 ** are CONFIDENTIAL and PROPRIETARY property of
12 ** the above-mentioned copyright holder.
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.
20 /* ========================================================================= */
22 /* === H E A D E R S ======================================================= */
31 #include <gtkmm/dialog.h>
32 #include <gtkmm/entry.h>
34 #include <sinfg/valuenode_dynamiclist.h>
35 #include <sinfgapp/action_system.h>
37 #include "state_gradient.h"
38 #include "canvasview.h"
42 #include <sinfgapp/action.h>
43 #include "event_mouse.h"
44 #include "event_layerclick.h"
46 #include "dialog_tooloptions.h"
47 #include <gtkmm/optionmenu.h>
50 #include "widget_enum.h"
51 #include <sinfgapp/main.h>
55 /* === U S I N G =========================================================== */
59 using namespace sinfg;
60 using namespace studio;
62 /* === M A C R O S ========================================================= */
66 GRADIENT_INTERPOLATION_LINEAR=0,
72 /* === G L O B A L S ======================================================= */
74 StateGradient studio::state_gradient;
76 /* === C L A S S E S & S T R U C T S ======================================= */
78 class studio::StateGradient_Context : public sigc::trackable
80 etl::handle<CanvasView> canvas_view_;
81 CanvasView::IsWorking is_working;
83 Duckmatic::Push duckmatic_push;
85 sinfgapp::Settings& settings;
89 etl::handle<Duck> point2_duck;
93 bool prev_workarea_layer_status_;
95 Gtk::Table options_table;
97 Widget_Enum enum_type;
98 Widget_Enum enum_blend;
101 sinfg::String get_id()const { return entry_id.get_text(); }
102 void set_id(const sinfg::String& x) { return entry_id.set_text(x); }
104 int get_type()const { return enum_type.get_value(); }
105 void set_type(int x) { return enum_type.set_value(x); }
107 int get_blend()const { return enum_blend.get_value(); }
108 void set_blend(int x) { return enum_blend.set_value(x); }
110 Smach::event_result event_stop_handler(const Smach::event& x);
112 Smach::event_result event_refresh_handler(const Smach::event& x);
114 Smach::event_result event_mouse_click_handler(const Smach::event& x);
115 Smach::event_result event_refresh_tool_options(const Smach::event& x);
117 void refresh_tool_options();
119 StateGradient_Context(CanvasView* canvas_view);
121 ~StateGradient_Context();
123 const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view_;}
124 etl::handle<sinfgapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
125 sinfg::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
126 WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
128 //void on_user_click(sinfg::Point point);
129 void load_settings();
130 void save_settings();
134 void make_gradient(const Point& p1, const Point& p2);
135 bool no_egress_on_selection_change;
136 Smach::event_result event_layer_selection_changed_handler(const Smach::event& x)
138 if(!no_egress_on_selection_change)
139 throw Smach::egress_exception();
140 return Smach::RESULT_OK;
143 }; // END of class StateGradient_Context
145 /* === M E T H O D S ======================================================= */
147 StateGradient::StateGradient():
148 Smach::state<StateGradient_Context>("gradient")
150 insert(event_def(EVENT_LAYER_SELECTION_CHANGED,&StateGradient_Context::event_layer_selection_changed_handler));
151 insert(event_def(EVENT_STOP,&StateGradient_Context::event_stop_handler));
152 insert(event_def(EVENT_TABLES_SHOW,&StateGradient_Context::event_stop_handler));
153 insert(event_def(EVENT_REFRESH,&StateGradient_Context::event_refresh_handler));
154 insert(event_def(EVENT_REFRESH_DUCKS,&StateGradient_Context::event_refresh_handler));
155 insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,&StateGradient_Context::event_mouse_click_handler));
156 insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DRAG,&StateGradient_Context::event_mouse_click_handler));
157 insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_UP,&StateGradient_Context::event_mouse_click_handler));
158 insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateGradient_Context::event_refresh_tool_options));
161 StateGradient::~StateGradient()
166 StateGradient_Context::load_settings()
170 if(settings.get_value("gradient.id",value))
175 if(settings.get_value("gradient.type",value))
176 set_type(atoi(value.c_str()));
178 set_type(GRADIENT_INTERPOLATION_LINEAR);
180 if(settings.get_value("gradient.blend",value))
181 set_blend(atoi(value.c_str()));
183 set_blend(Color::BLEND_COMPOSITE);
187 StateGradient_Context::save_settings()
189 settings.set_value("gradient.id",get_id().c_str());
190 settings.set_value("gradient.type",strprintf("%d",get_type()));
191 settings.set_value("gradient.blend",strprintf("%d",get_blend()));
195 StateGradient_Context::reset()
201 StateGradient_Context::increment_id()
210 // If there is a number
211 // already at the end of the
212 // id, then remove it.
213 if(id[id.size()-1]<='9' && id[id.size()-1]>='0')
215 // figure out how many digits it is
216 for(digits=0;(int)id.size()-1>=digits && id[id.size()-1-digits]<='9' && id[id.size()-1-digits]>='0';digits++)while(false);
219 str_number=String(id,id.size()-digits,id.size());
220 id=String(id,0,id.size()-digits);
222 number=atoi(str_number.c_str());
232 // Add the number back onto the id
234 const String format(strprintf("%%0%dd",digits));
235 id+=strprintf(format.c_str(),number);
242 StateGradient_Context::StateGradient_Context(CanvasView* canvas_view):
243 canvas_view_(canvas_view),
244 is_working(*canvas_view),
245 duckmatic_push(get_work_area()),
246 settings(sinfgapp::Main::get_selected_input_device()->settings()),
247 prev_workarea_layer_status_(get_work_area()->allow_layer_clicks),
250 no_egress_on_selection_change=false;
251 // Set up the tool options dialog
252 ///options_table.attach(*manage(new Gtk::Label(_("Gradient Tool"))), 0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
253 options_table.attach(entry_id, 0, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
255 enum_type.set_param_desc(ParamDesc("type")
256 .set_local_name(_("Gradient Type"))
257 .set_description(_("Determines the type of Gradient used"))
259 .add_enum_value(GRADIENT_INTERPOLATION_LINEAR,"linear",_("Linear"))
260 .add_enum_value(GRADIENT_RADIAL,"radial",_("Radial"))
261 .add_enum_value(GRADIENT_CONICAL,"conical",_("Conical"))
262 .add_enum_value(GRADIENT_SPIRAL,"spiral",_("Spiral")));
264 enum_blend.set_param_desc(ParamDesc(Color::BLEND_COMPOSITE,"blend_method")
265 .set_local_name(_("Blend Method"))
266 .set_description(_("The blend method the gradient will use")));
270 options_table.attach(enum_type, 0, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
271 options_table.attach(enum_blend, 0, 2, 3, 4, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
273 options_table.show_all();
274 refresh_tool_options();
275 App::dialog_tool_options->present();
278 // Turn off layer clicking
279 get_work_area()->allow_layer_clicks=false;
281 get_canvas_view()->work_area->set_cursor(Gdk::CROSSHAIR);
283 // clear out the ducks
284 get_work_area()->clear_ducks();
286 // Refresh the work area
287 get_work_area()->queue_draw();
289 get_work_area()->refresh_cursor();
291 // Hide the tables if they are showing
292 get_canvas_view()->hide_tables();
295 //get_canvas_view()->hide_timebar();
298 //get_work_area()->signal_user_click().connect(sigc::mem_fun(*this,&studio::StateGradient_Context::on_user_click));
300 App::toolbox->refresh();
304 StateGradient_Context::refresh_tool_options()
306 App::dialog_tool_options->clear();
307 App::dialog_tool_options->set_widget(options_table);
308 App::dialog_tool_options->set_local_name(_("Gradient Tool"));
309 App::dialog_tool_options->set_name("gradient");
313 StateGradient_Context::event_refresh_tool_options(const Smach::event& x)
315 refresh_tool_options();
316 return Smach::RESULT_ACCEPT;
319 StateGradient_Context::~StateGradient_Context()
323 // Restore layer clicking
324 // get_work_area()->allow_layer_clicks=prev_workarea_layer_status_;
325 get_work_area()->allow_layer_clicks=true;
326 get_canvas_view()->work_area->reset_cursor();
328 App::dialog_tool_options->clear();
331 if(get_canvas_view()->get_canvas()->rend_desc().get_time_start()!=get_canvas_view()->get_canvas()->rend_desc().get_time_end())
332 get_canvas_view()->show_timebar();
334 // Bring back the tables if they were out before
335 //if(prev_table_status)get_canvas_view()->show_tables();
337 // Refresh the work area
338 get_work_area()->queue_draw();
340 //get_canvas_view()->show_tables();
342 get_work_area()->refresh_cursor();
344 App::toolbox->refresh();
348 StateGradient_Context::event_stop_handler(const Smach::event& x)
350 throw Smach::egress_exception();
354 StateGradient_Context::event_refresh_handler(const Smach::event& x)
357 return Smach::RESULT_ACCEPT;
361 StateGradient_Context::make_gradient(const Point& _p1, const Point& _p2)
363 sinfgapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("New Gradient"));
364 sinfgapp::PushMode push_mode(get_canvas_interface(),sinfgapp::MODE_NORMAL);
368 Canvas::Handle canvas(get_canvas_view()->get_canvas());
371 // we are temporarily using the layer to hold something
372 layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
375 depth=layer->get_depth();
376 canvas=layer->get_canvas();
378 const sinfg::TransformStack& transform(get_canvas_view()->get_curr_transform_stack());
379 const Point p1(transform.unperform(_p1));
380 const Point p2(transform.unperform(_p2));
384 case GRADIENT_INTERPOLATION_LINEAR:
386 layer=get_canvas_interface()->add_layer_to("linear_gradient",canvas,depth);
387 layer->set_param("p1",p1);
388 get_canvas_interface()->signal_layer_param_changed()(layer,"p1");
389 layer->set_param("p2",p2);
390 get_canvas_interface()->signal_layer_param_changed()(layer,"p2");
392 case GRADIENT_RADIAL:
393 layer=get_canvas_interface()->add_layer_to("radial_gradient",canvas,depth);
394 layer->set_param("center",p1);
395 get_canvas_interface()->signal_layer_param_changed()(layer,"center");
396 layer->set_param("radius",(p2-p1).mag());
397 get_canvas_interface()->signal_layer_param_changed()(layer,"radius");
399 case GRADIENT_CONICAL:
400 layer=get_canvas_interface()->add_layer_to("conical_gradient",canvas,depth);
401 layer->set_param("center",p1);
402 get_canvas_interface()->signal_layer_param_changed()(layer,"center");
405 layer->set_param("angle",Angle::tan(diff[1],diff[0]));
406 get_canvas_interface()->signal_layer_param_changed()(layer,"angle");
409 case GRADIENT_SPIRAL:
410 layer=get_canvas_interface()->add_layer_to("spiral_gradient",canvas,depth);
411 layer->set_param("center",p1);
412 get_canvas_interface()->signal_layer_param_changed()(layer,"center");
413 layer->set_param("radius",(p2-p1).mag());
414 get_canvas_interface()->signal_layer_param_changed()(layer,"radius");
417 layer->set_param("angle",Angle::tan(diff[1],diff[0]));
418 get_canvas_interface()->signal_layer_param_changed()(layer,"angle");
426 layer->set_param("blend_method",get_blend());
427 get_canvas_interface()->signal_layer_param_changed()(layer,"blend_method");
429 layer->set_description(get_id());
430 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
432 no_egress_on_selection_change=true;
433 get_canvas_interface()->get_selection_manager()->clear_selected_layers();
434 get_canvas_interface()->get_selection_manager()->set_selected_layer(layer);
435 no_egress_on_selection_change=false;
442 StateGradient_Context::event_mouse_click_handler(const Smach::event& x)
444 const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
446 if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DOWN && event.button==BUTTON_LEFT)
448 point_holder=get_work_area()->snap_point_to_grid(event.pos);
449 etl::handle<Duck> duck=new Duck();
450 duck->set_point(point_holder);
451 duck->set_name("p1");
452 duck->set_type(Duck::TYPE_POSITION);
453 get_work_area()->add_duck(duck);
455 point2_duck=new Duck();
456 point2_duck->set_point(point_holder);
457 point2_duck->set_name("p2");
458 point2_duck->set_type(Duck::TYPE_POSITION);
459 get_work_area()->add_duck(point2_duck);
461 handle<Duckmatic::Bezier> bezier(new Duckmatic::Bezier());
462 bezier->p1=bezier->c1=duck;
463 bezier->p2=bezier->c2=point2_duck;
464 get_work_area()->add_bezier(bezier);
466 return Smach::RESULT_ACCEPT;
469 if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DRAG && event.button==BUTTON_LEFT)
471 point2_duck->set_point(get_work_area()->snap_point_to_grid(event.pos));
472 get_work_area()->queue_draw();
473 return Smach::RESULT_ACCEPT;
476 if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_UP && event.button==BUTTON_LEFT)
478 make_gradient(point_holder, get_work_area()->snap_point_to_grid(event.pos));
479 get_work_area()->clear_ducks();
480 return Smach::RESULT_ACCEPT;
483 return Smach::RESULT_OK;
488 StateGradient_Context::refresh_ducks()
490 get_work_area()->clear_ducks();
491 get_work_area()->queue_draw();