1 /* === S Y N F I G ========================================================= */
2 /*!	\file state_text.cpp
3 **	\brief Template File
4 **
5 **	$Id$
6 **
7 **	\legal
8 **	Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
9 **  Copyright (c) 2008 Chris Moore
10 **  Copyright (c) 2010 Carlos López
11 **
12 **	This package is free software; you can redistribute it and/or
13 **	modify it under the terms of the GNU General Public License as
14 **	published by the Free Software Foundation; either version 2 of
15 **	the License, or (at your option) any later version.
16 **
17 **	This package is distributed in the hope that it will be useful,
18 **	but WITHOUT ANY WARRANTY; without even the implied warranty of
19 **	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 **	General Public License for more details.
21 **	\endlegal
22 */
23 /* ========================================================================= */
24 
25 /* === H E A D E R S ======================================================= */
26 
27 #ifdef USING_PCH
28 #	include "pch.h"
29 #else
30 #ifdef HAVE_CONFIG_H
31 #	include <config.h>
32 #endif
33 
34 #include <synfig/general.h>
35 
36 #include "state_text.h"
37 #include "state_normal.h"
38 #include "canvasview.h"
39 #include "workarea.h"
40 #include "app.h"
41 
42 #include <synfigapp/action.h>
43 #include "event_mouse.h"
44 #include "event_layerclick.h"
45 #include "docks/dock_toolbox.h"
46 #include "docks/dialog_tooloptions.h"
47 #include "duck.h"
48 #include "widgets/widget_enum.h"
49 #include <synfigapp/main.h>
50 
51 #include <gui/localization.h>
52 
53 #endif
54 
55 /* === U S I N G =========================================================== */
56 
57 using namespace std;
58 using namespace etl;
59 using namespace synfig;
60 using namespace studio;
61 
62 /* === M A C R O S ========================================================= */
63 
64 #ifndef LAYER_CREATION
65 #define LAYER_CREATION(button, stockid, tooltip)	\
66 	{ \
67 		Gtk::Image *icon = manage(new Gtk::Image(Gtk::StockID(stockid), \
68 			Gtk::ICON_SIZE_SMALL_TOOLBAR)); \
69 		button.add(*icon); \
70 	} \
71 	button.set_relief(Gtk::RELIEF_NONE); \
72 	button.set_tooltip_text(tooltip); \
73 	button.signal_toggled().connect(sigc::mem_fun(*this, \
74 		&studio::StateText_Context::toggle_layer_creation))
75 #endif
76 
77 // indentation for options layout
78 #ifndef SPACING
79 #define SPACING(name, px) \
80 	Gtk::Alignment *name = Gtk::manage(new Gtk::Alignment()); \
81 	name->set_size_request(px)
82 #endif
83 
84 #define GAP	(3)
85 #define INDENTATION (6)
86 
87 /* === G L O B A L S ======================================================= */
88 
89 StateText studio::state_text;
90 
91 /* === C L A S S E S & S T R U C T S ======================================= */
92 
93 class studio::StateText_Context
94 {
95 	etl::handle<CanvasView> canvas_view;
96 	CanvasView::IsWorking is_working;
97 
98 	Duckmatic::Push duckmatic_push;
99 
100 	void refresh_ducks();
101 
102 	bool prev_workarea_layer_status_;
103 
104 	//Toolbox settings
105 	synfigapp::Settings& settings;
106 
107 	// holder of options
108 	Gtk::Table options_table;
109 
110 	// title
111 	Gtk::Label title_label;
112 
113 	// layer name:
114 	Gtk::Label id_label;
115 	Gtk::HBox id_box;
116 	Gtk::Entry id_entry;
117 
118 	// layer types to create:
119 	Gtk::Label layer_types_label;
120 	Gtk::ToggleButton layer_text_togglebutton;
121 	Gtk::HBox layer_types_box;
122 
123 	// blend method
124 	Gtk::Label blend_label;
125 	Gtk::HBox blend_box;
126 	Widget_Enum blend_enum;
127 
128 	// opacity
129 	Gtk::Label opacity_label;
130 	Gtk::HScale opacity_hscl;
131 
132 	// paragraph
133 	Gtk::Label paragraph_label;
134 	Gtk::CheckButton paragraph_checkbutton;
135 	Gtk::HBox paragraph_box;
136 
137 	// size
138 	Gtk::Label size_label;
139 	Widget_Vector size_widget;
140 
141 	// orientation
142 	Gtk::Label orientation_label;
143 	Widget_Vector orientation_widget;
144 
145 	// font family
146 	Gtk::Label family_label;
147 	Gtk::Entry family_entry;
148 
149 
150 public:
151 
get_id() const152 	synfig::String get_id()const { return id_entry.get_text(); }
set_id(const synfig::String & x)153 	void set_id(const synfig::String& x) { return id_entry.set_text(x); }
154 
get_layer_text_flag() const155 	bool get_layer_text_flag()const { return layer_text_togglebutton.get_active(); }
set_layer_text_flag(bool x)156 	void set_layer_text_flag(bool x) { return layer_text_togglebutton.set_active(x); }
157 
get_blend() const158 	int get_blend()const { return blend_enum.get_value(); }
set_blend(int x)159 	void set_blend(int x) { return blend_enum.set_value(x); }
160 
get_opacity() const161 	Real get_opacity()const { return opacity_hscl.get_value(); }
set_opacity(Real x)162 	void set_opacity(Real x) { opacity_hscl.set_value(x); }
163 
get_paragraph_flag() const164 	bool get_paragraph_flag()const { return paragraph_checkbutton.get_active(); }
set_paragraph_flag(bool x)165 	void set_paragraph_flag(bool x) { return paragraph_checkbutton.set_active(x); }
166 
get_size()167 	Vector get_size() { return size_widget.get_value(); }
set_size(Vector s)168 	void set_size(Vector s) { return size_widget.set_value(s); }
169 
get_orientation()170 	Vector get_orientation() { return orientation_widget.get_value(); }
set_orientation(Vector s)171 	void set_orientation(Vector s) { return orientation_widget.set_value(s); }
172 
get_family() const173 	String get_family()const { return family_entry.get_text(); }
set_family(String s)174 	void set_family(String s) { return family_entry.set_text(s); }
175 
176   bool layer_text_flag;
177 
178 	void refresh_tool_options(); //to refresh the toolbox
179 
180 	//events
181 	Smach::event_result event_stop_handler(const Smach::event& x);
182 	Smach::event_result event_refresh_handler(const Smach::event& x);
183 	Smach::event_result event_mouse_click_handler(const Smach::event& x);
184 	Smach::event_result event_refresh_tool_options(const Smach::event& x);
185 	Smach::event_result event_workarea_mouse_button_down_handler(const Smach::event& x);
186 
187 	//constructor destructor
188 	StateText_Context(CanvasView *canvas_view);
189 	~StateText_Context();
190 
get_canvas_view() const191 	const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view;}
get_canvas_interface() const192 	etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view->canvas_interface();}
get_work_area() const193 	WorkArea * get_work_area()const{return canvas_view->get_work_area();}
194 
195 	//Modifying settings etc.
196 	void load_settings();
197 	void save_settings();
198 	void reset();
199 	void increment_id();
200 	bool egress_on_selection_change;
event_layer_selection_changed_handler(const Smach::event &)201 	Smach::event_result event_layer_selection_changed_handler(const Smach::event& /*x*/)
202 	{
203 		if(egress_on_selection_change)
204 			throw &state_normal; //throw Smach::egress_exception();
205 		return Smach::RESULT_OK;
206 	}
207 
208 	void make_text(const Point& point);
209 	void toggle_layer_creation();
210 
211 }; // END of class StateText_Context
212 
213 /* === P R O C E D U R E S ================================================= */
214 
215 /* === M E T H O D S ======================================================= */
216 
StateText()217 StateText::StateText():
218 	Smach::state<StateText_Context>("text")
219 {
220 	insert(event_def(EVENT_LAYER_SELECTION_CHANGED,&StateText_Context::event_layer_selection_changed_handler));
221 	insert(event_def(EVENT_STOP,&StateText_Context::event_stop_handler));
222 	insert(event_def(EVENT_REFRESH,&StateText_Context::event_refresh_handler));
223 	insert(event_def(EVENT_REFRESH_DUCKS,&StateText_Context::event_refresh_handler));
224 	insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,&StateText_Context::event_workarea_mouse_button_down_handler));
225 	insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateText_Context::event_refresh_tool_options));
226 }
227 
~StateText()228 StateText::~StateText()
229 {
230 }
231 
232 void
load_settings()233 StateText_Context::load_settings()
234 {
235 	try
236 	{
237 		synfig::ChangeLocale change_locale(LC_NUMERIC, "C");
238 		String value;
239 		Vector v;
240 
241 		//parse the arguments yargh!
242 		if(settings.get_value("text.id",value))
243 			set_id(value);
244 		else
245 			set_id("Text");
246 
247 		if(settings.get_value("text.blend",value) && value != "")
248 			set_blend(atoi(value.c_str()));
249 		else
250 			set_blend(0);//(int)Color::BLEND_COMPOSITE); //0 should be blend composites value
251 
252 		if(settings.get_value("text.opacity",value))
253 			set_opacity(atof(value.c_str()));
254 		else
255 			set_opacity(1);
256 
257 		if(settings.get_value("text.paragraph",value) && value=="1")
258 			set_paragraph_flag(true);
259 		else
260 			set_paragraph_flag(false);
261 
262 		if(settings.get_value("text.size_x",value))
263 			v[0] = atof(value.c_str());
264 		else
265 			v[0] = 0.25;
266 		if(settings.get_value("text.size_y",value))
267 			v[1] = atof(value.c_str());
268 		else
269 			v[1] = 0.25;
270 		set_size(v);
271 
272 		if(settings.get_value("text.orient_x",value))
273 			v[0] = atof(value.c_str());
274 		else
275 			v[0] = 0.5;
276 		if(settings.get_value("text.orient_y",value))
277 			v[1] = atof(value.c_str());
278 		else
279 			v[1] = 0.5;
280 		set_orientation(v);
281 
282 		if(settings.get_value("text.family",value))
283 			set_family(value);
284 		else
285 			set_family("Sans Serif");
286 
287 		// since we have only text layer creation button, always turn it on.
288 		if(settings.get_value("text.layer_text",value) && value=="0")
289 			set_layer_text_flag(true);
290 		else
291 			set_layer_text_flag(true);
292 
293 	  // determine layer flags
294 		layer_text_flag = get_layer_text_flag();
295 	}
296 	catch(...)
297 	{
298 		synfig::warning("State Text: Caught exception when attempting to load settings.");
299 	}
300 }
301 
302 void
save_settings()303 StateText_Context::save_settings()
304 {
305 	try
306 	{
307 		synfig::ChangeLocale change_locale(LC_NUMERIC, "C");
308 		settings.set_value("text.id",get_id());
309 		settings.set_value("text.layer_polygon",get_layer_text_flag()?"1":"0");
310 		settings.set_value("text.blend",strprintf("%d",get_blend()));
311 		settings.set_value("text.opacity",strprintf("%f",(float)get_opacity()));
312 		settings.set_value("text.paragraph",get_paragraph_flag()?"1":"0");
313 		settings.set_value("text.size_x",strprintf("%f",(float)get_size()[0]));
314 		settings.set_value("text.size_y",strprintf("%f",(float)get_size()[1]));
315 		settings.set_value("text.orient_x",strprintf("%f",(float)get_orientation()[0]));
316 		settings.set_value("text.orient_y",strprintf("%f",(float)get_orientation()[1]));
317 		settings.set_value("text.family",get_family());
318 	}
319 	catch(...)
320 	{
321 		synfig::warning("State Text: Caught exception when attempting to save settings.");
322 	}
323 }
324 
325 void
reset()326 StateText_Context::reset()
327 {
328 	refresh_ducks();
329 }
330 
331 void
increment_id()332 StateText_Context::increment_id()
333 {
334 	String id(get_id());
335 	int number=1;
336 	int digits=0;
337 
338 	if(id.empty())
339 		id="Text";
340 
341 	// If there is a number
342 	// already at the end of the
343 	// id, then remove it.
344 	if(id[id.size()-1]<='9' && id[id.size()-1]>='0')
345 	{
346 		// figure out how many digits it is
347 		for (digits = 0;
348 			 (int)id.size()-1 >= digits && id[id.size()-1-digits] <= '9' && id[id.size()-1-digits] >= '0';
349 			 digits++)
350 			;
351 
352 		String str_number;
353 		str_number=String(id,id.size()-digits,id.size());
354 		id=String(id,0,id.size()-digits);
355 
356 		number=atoi(str_number.c_str());
357 	}
358 	else
359 	{
360 		number=1;
361 		digits=3;
362 	}
363 
364 	number++;
365 
366 	// Add the number back onto the id
367 	{
368 		const String format(strprintf("%%0%dd",digits));
369 		id+=strprintf(format.c_str(),number);
370 	}
371 
372 	// Set the ID
373 	set_id(id);
374 }
375 
StateText_Context(CanvasView * canvasView)376 StateText_Context::StateText_Context(CanvasView *canvasView):
377 	canvas_view(canvasView),
378 	is_working(*canvasView),
379 	duckmatic_push(get_work_area()),
380 	prev_workarea_layer_status_(get_work_area()->get_allow_layer_clicks()),
381 	settings(synfigapp::Main::get_selected_input_device()->settings()),
382 	opacity_hscl(0.0f, 1.0125f, 0.0125f)
383 {
384 	egress_on_selection_change=true;
385 
386 
387 	/* Set up the tool options dialog */
388 
389 	// 0, title
390 	title_label.set_label(_("Text Creation"));
391 	Pango::AttrList list;
392 	Pango::AttrInt attr = Pango::Attribute::create_attr_weight(Pango::WEIGHT_BOLD);
393 	list.insert(attr);
394 	title_label.set_attributes(list);
395 	title_label.set_alignment(Gtk::ALIGN_START, Gtk::ALIGN_CENTER);
396 
397 	// 1, layer name label and entry
398 	id_label.set_label(_("Name:"));
399 	id_label.set_alignment(Gtk::ALIGN_START, Gtk::ALIGN_CENTER);
400 	SPACING(id_gap, GAP);
401 	id_box.pack_start(id_label, Gtk::PACK_SHRINK);
402 	id_box.pack_start(*id_gap, Gtk::PACK_SHRINK);
403 
404 	id_box.pack_start(id_entry);
405 
406 	// 2, layer types creation
407 	layer_types_label.set_label(_("Layer Type:"));
408 	layer_types_label.set_alignment(Gtk::ALIGN_START, Gtk::ALIGN_CENTER);
409 
410 	LAYER_CREATION(layer_text_togglebutton,
411 		("synfig-layer_other_text"), _("Create a text layer"));
412 
413 	SPACING(layer_types_indent, INDENTATION);
414 
415 	layer_types_box.pack_start(*layer_types_indent, Gtk::PACK_SHRINK);
416 	layer_types_box.pack_start(layer_text_togglebutton, Gtk::PACK_SHRINK);
417 
418 	// 3, blend method label and dropdown list
419 	blend_label.set_label(_("Blend Method:"));
420 	blend_label.set_alignment(Gtk::ALIGN_START, Gtk::ALIGN_CENTER);
421 	SPACING(blend_gap, GAP);
422 	blend_box.pack_start(blend_label, Gtk::PACK_SHRINK);
423 	blend_box.pack_start(*blend_gap, Gtk::PACK_SHRINK);
424 
425 	blend_enum.set_param_desc(ParamDesc(Color::BLEND_COMPOSITE,"blend_method")
426 		.set_local_name(_("Blend Method"))
427 		.set_description(_("Defines the blend method to be used for texts")));
428 
429 	// 4, opacity label and slider
430 	opacity_label.set_label(_("Opacity:"));
431 	opacity_label.set_alignment(Gtk::ALIGN_START, Gtk::ALIGN_CENTER);
432 
433 	opacity_hscl.set_digits(2);
434 	opacity_hscl.set_value_pos(Gtk::POS_LEFT);
435 	opacity_hscl.set_tooltip_text(_("Opacity"));
436 
437 	// 5, paragraph
438 	paragraph_label.set_label(_("Multiline Text"));
439 	paragraph_label.set_alignment(Gtk::ALIGN_START, Gtk::ALIGN_CENTER);
440 	paragraph_box.pack_start(paragraph_label, Gtk::PACK_SHRINK);
441 	paragraph_box.pack_end(paragraph_checkbutton, Gtk::PACK_SHRINK);
442 
443 	// 6, size
444 	size_label.set_label(_("Size:"));
445 	size_label.set_alignment(Gtk::ALIGN_START, Gtk::ALIGN_CENTER);
446 
447 	size_widget.set_digits(2);
448 	size_widget.set_canvas(canvas_view->get_canvas());
449 
450 	// 7, orientation
451 	orientation_label.set_label(_("Orientation:"));
452 	orientation_label.set_alignment(Gtk::ALIGN_START, Gtk::ALIGN_CENTER);
453 
454 	orientation_widget.set_digits(2);
455 
456 	// 8, family
457 	family_label.set_label(_("Family:"));
458 	family_label.set_alignment(Gtk::ALIGN_START, Gtk::ALIGN_CENTER);
459 
460 	// pack all options to the options_table
461 
462 	// 0, title
463 	options_table.attach(title_label,
464 		0, 2, 0, 1, Gtk::FILL, Gtk::FILL, 0, 0
465 		);
466 	// 1, name
467 	options_table.attach(id_box,
468 		0, 2, 1, 2, Gtk::FILL, Gtk::FILL, 0, 0
469 		);
470 	// 2, layer types creation
471 	options_table.attach(layer_types_label,
472 		0, 2, 2, 3, Gtk::FILL, Gtk::FILL, 0, 0
473 		);
474 	options_table.attach(layer_types_box,
475 		0, 2, 3, 4, Gtk::FILL, Gtk::FILL, 0, 0
476 		);
477 	// 3, blend method
478 	options_table.attach(blend_box,
479 		0, 1, 4, 5, Gtk::EXPAND|Gtk::FILL, Gtk::FILL, 0, 0
480 		);
481 	options_table.attach(blend_enum,
482 		1, 2, 4, 5, Gtk::EXPAND|Gtk::FILL, Gtk::FILL, 0, 0
483 		);
484 	// 4, opacity
485 	options_table.attach(opacity_label,
486 		0, 1, 5, 6, Gtk::EXPAND|Gtk::FILL, Gtk::FILL, 0, 0
487 		);
488 	options_table.attach(opacity_hscl,
489 		1, 2, 5, 6, Gtk::EXPAND|Gtk::FILL, Gtk::FILL, 0, 0
490 		);
491 	// 5, paragraph
492 	options_table.attach(paragraph_box,
493 		0, 2, 6, 7, Gtk::EXPAND|Gtk::FILL, Gtk::FILL, 0, 0
494 		);
495 	// 6, size
496 	options_table.attach(size_label,
497 		0, 1, 7, 8, Gtk::EXPAND|Gtk::FILL, Gtk::FILL, 0, 0
498 		);
499 	options_table.attach(size_widget,
500 		1, 2, 7, 8, Gtk::EXPAND|Gtk::FILL, Gtk::FILL, 0, 0
501 		);
502 	// 7, orientation
503 	options_table.attach(orientation_label,
504 		0, 1, 8, 9, Gtk::EXPAND|Gtk::FILL, Gtk::FILL, 0, 0
505 		);
506 	options_table.attach(orientation_widget,
507 		1, 2, 8, 9, Gtk::EXPAND|Gtk::FILL, Gtk::FILL, 0, 0
508 		);
509 	// 8, family
510 	options_table.attach(family_label,
511 		0, 1, 9, 10, Gtk::FILL, Gtk::FILL, 0, 0
512 		);
513 	options_table.attach(family_entry,
514 		1, 2, 9, 10, Gtk::FILL, Gtk::FILL, 0, 0
515 		);
516 		// fine-tune options layout
517 	options_table.set_border_width(GAP*2); // border width
518 	options_table.set_row_spacings(GAP); // row gap
519 	options_table.set_row_spacing(0, GAP*2); // the gap between first and second row.
520 	options_table.set_row_spacing(2, 1); // row gap between label and icon of layer type
521 	//options_table.set_row_spacing(9, 0); // the final row using border width of table
522 	options_table.set_margin_bottom(0);
523 
524 	options_table.show_all();
525 
526 	load_settings();
527 
528 	refresh_tool_options();
529 	App::dialog_tool_options->present();
530 
531 	// Turn off layer clicking
532 	get_work_area()->set_allow_layer_clicks(false);
533 
534 	// clear out the ducks
535 	get_work_area()->clear_ducks();
536 
537 	// Refresh the work area
538 	get_work_area()->queue_draw();
539 
540 	// Hide the tables if they are showing
541 	//prev_table_status=get_canvas_view()->tables_are_visible();
542 	//if(prev_table_status)get_canvas_view()->hide_tables();
543 
544 	// Disable the time bar
545 	//get_canvas_view()->set_sensitive_timebar(false);
546 
547 	// Connect a signal
548 	//get_work_area()->signal_user_click().connect(sigc::mem_fun(*this,&studio::StateText_Context::on_user_click));
549 	get_work_area()->set_cursor(Gdk::XTERM);
550 
551 	App::dock_toolbox->refresh();
552 }
553 
554 void
refresh_tool_options()555 StateText_Context::refresh_tool_options()
556 {
557 	App::dialog_tool_options->clear();
558 	App::dialog_tool_options->set_widget(options_table);
559 	App::dialog_tool_options->set_local_name(_("Text Tool"));
560 	App::dialog_tool_options->set_name("text");
561 }
562 
563 Smach::event_result
event_refresh_tool_options(const Smach::event &)564 StateText_Context::event_refresh_tool_options(const Smach::event& /*x*/)
565 {
566 	refresh_tool_options();
567 	return Smach::RESULT_ACCEPT;
568 }
569 
~StateText_Context()570 StateText_Context::~StateText_Context()
571 {
572 	save_settings();
573 
574 	// Restore layer clicking
575 	get_work_area()->set_allow_layer_clicks(prev_workarea_layer_status_);
576 	get_work_area()->reset_cursor();
577 
578 	App::dialog_tool_options->clear();
579 
580 	get_work_area()->queue_draw();
581 
582 	get_canvas_view()->queue_rebuild_ducks();
583 
584 	App::dock_toolbox->refresh();
585 }
586 
587 Smach::event_result
event_stop_handler(const Smach::event &)588 StateText_Context::event_stop_handler(const Smach::event& /*x*/)
589 {
590 	//throw Smach::egress_exception();
591 	throw &state_normal;
592 	return Smach::RESULT_OK;
593 }
594 
595 Smach::event_result
event_refresh_handler(const Smach::event &)596 StateText_Context::event_refresh_handler(const Smach::event& /*x*/)
597 {
598 	refresh_ducks();
599 	return Smach::RESULT_ACCEPT;
600 }
601 
602 void
make_text(const Point & _point)603 StateText_Context::make_text(const Point& _point)
604 {
605 	if (get_layer_text_flag())
606 	{
607 
608 	synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("New Text"));
609 	synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
610 
611 	Layer::Handle layer;
612 
613 	Canvas::Handle canvas(get_canvas_view()->get_canvas());
614 	int depth(0);
615 
616 	// we are temporarily using the layer to hold something
617 	layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
618 	if(layer)
619 	{
620 		depth=layer->get_depth();
621 		canvas=layer->get_canvas();
622 	}
623 
624 	synfigapp::SelectionManager::LayerList layer_selection;
625 	if (!getenv("SYNFIG_TOOLS_CLEAR_SELECTION"))
626 		layer_selection = get_canvas_view()->get_selection_manager()->get_selected_layers();
627 
628 	const synfig::TransformStack& transform(get_work_area()->get_curr_transform_stack());
629 	const Point point(transform.unperform(_point));
630 
631 	String text;
632 	if (get_paragraph_flag())
633 		App::dialog_paragraph(_("Text Paragraph"), _("Enter text here:"), text);
634 	else
635 		App::dialog_entry(_("Input text"),
636 				_("Text: "),
637 				text,
638 				_("Cancel"),
639 				_("Ok"));
640 
641 	egress_on_selection_change=false;
642 	layer=get_canvas_interface()->add_layer_to("text",canvas,depth);
643 	egress_on_selection_change=true;
644 	if (!layer)
645 	{
646 		get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
647 		group.cancel();
648 		return;
649 	}
650 	layer_selection.push_back(layer);
651 
652 	layer->set_param("blend_method", get_blend());
653 	get_canvas_interface()->signal_layer_param_changed()(layer,"blend_method");
654 
655 	layer->set_param("amount", get_opacity());
656 	get_canvas_interface()->signal_layer_param_changed()(layer, "amount");
657 
658 	layer->set_param("origin",point);
659 	get_canvas_interface()->signal_layer_param_changed()(layer,"origin");
660 
661 	layer->set_param("text",text);
662 	get_canvas_interface()->signal_layer_param_changed()(layer,"text");
663 
664 	layer->set_param("size",get_size());
665 	get_canvas_interface()->signal_layer_param_changed()(layer,"size");
666 
667 	layer->set_param("orient",get_orientation());
668 	get_canvas_interface()->signal_layer_param_changed()(layer,"orient");
669 
670 	layer->set_param("family",get_family());
671 	get_canvas_interface()->signal_layer_param_changed()(layer,"family");
672 
673 	layer->set_description(get_id());
674 	get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
675 
676 	egress_on_selection_change=false;
677 	get_canvas_interface()->get_selection_manager()->clear_selected_layers();
678 	get_canvas_interface()->get_selection_manager()->set_selected_layers(layer_selection);
679 	egress_on_selection_change=true;
680 
681 	reset();
682 	increment_id();
683 }
684 }
685 
686 Smach::event_result
event_workarea_mouse_button_down_handler(const Smach::event & x)687 StateText_Context::event_workarea_mouse_button_down_handler(const Smach::event& x)
688 {
689 	const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
690 	if(event.button==BUTTON_LEFT)
691 	{
692 		make_text(get_work_area()->snap_point_to_grid(event.pos));
693 
694 		get_work_area()->clear_ducks();
695 		return Smach::RESULT_ACCEPT;
696 	}
697 	return Smach::RESULT_OK;
698 }
699 
700 void
refresh_ducks()701 StateText_Context::refresh_ducks()
702 {
703 	get_work_area()->clear_ducks();
704 	get_work_area()->queue_draw();
705 }
706 
707 void
toggle_layer_creation()708 StateText_Context::toggle_layer_creation()
709 {
710   // don't allow none layer creation
711   if (get_layer_text_flag() == 0)
712   {
713     if(layer_text_flag) set_layer_text_flag(true);
714   }
715 
716   // update layer flags
717   layer_text_flag = get_layer_text_flag();
718 }
719