1 /* === S Y N F I G ========================================================= */
2 /*! \file dialog_setup.cpp
3 ** \brief Template File
8 ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
9 ** Copyright (c) 2007, 2008 Chris Moore
11 ** This package is free software; you can redistribute it and/or
12 ** modify it under the terms of the GNU General Public License as
13 ** published by the Free Software Foundation; either version 2 of
14 ** the License, or (at your option) any later version.
16 ** This package is distributed in the hope that it will be useful,
17 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 ** General Public License for more details.
22 /* ========================================================================= */
24 /* === H E A D E R S ======================================================= */
33 #include "dialog_setup.h"
35 #include <gtkmm/scale.h>
36 #include <gtkmm/table.h>
37 #include <gtkmm/frame.h>
38 #include <gtkmm/notebook.h>
39 #include <gtkmm/spinbutton.h>
40 #include "widget_enum.h"
41 #include "autorecover.h"
43 #include <ETL/stringf>
49 /* === U S I N G =========================================================== */
53 using namespace synfig;
54 using namespace studio;
56 /* === M A C R O S ========================================================= */
58 /* === G L O B A L S ======================================================= */
60 /* === P R O C E D U R E S ================================================= */
62 /* === M E T H O D S ======================================================= */
64 Dialog_Setup::Dialog_Setup():
65 Dialog(_("Synfig Studio Setup"),false,true),
66 adj_gamma_r(2.2,0.1,3.0,0.025,0.025,0.025),
67 adj_gamma_g(2.2,0.1,3.0,0.025,0.025,0.025),
68 adj_gamma_b(2.2,0.1,3.0,0.025,0.025,0.025),
69 adj_recent_files(15,1,50,1,1,1),
70 adj_undo_depth(100,10,5000,1,1,1),
71 toggle_use_colorspace_gamma(_("Visually Linear Color Selection")),
72 toggle_single_threaded(_("Use Only a Single Thread")),
73 toggle_restrict_radius_ducks(_("Restrict Real-Valued Ducks to Top Right Quadrant"))
77 Gtk::Button *ok_button(manage(new class Gtk::Button(Gtk::StockID("gtk-ok"))));
79 add_action_widget(*ok_button,2);
80 ok_button->signal_clicked().connect(sigc::mem_fun(*this, &Dialog_Setup::on_ok_pressed));
82 Gtk::Button *apply_button(manage(new class Gtk::Button(Gtk::StockID("gtk-apply"))));
84 add_action_widget(*apply_button,1);
85 apply_button->signal_clicked().connect(sigc::mem_fun(*this, &Dialog_Setup::on_apply_pressed));
87 Gtk::Button *cancel_button(manage(new class Gtk::Button(Gtk::StockID("gtk-close"))));
88 cancel_button->show();
89 add_action_widget(*cancel_button,0);
90 cancel_button->signal_clicked().connect(sigc::mem_fun(*this, &Dialog_Setup::hide));
94 Gtk::Notebook *notebook=manage(new class Gtk::Notebook());
95 get_vbox()->pack_start(*notebook);
99 Gtk::Table *gamma_table=manage(new Gtk::Table(2,2,false));
100 notebook->append_page(*gamma_table,_("Gamma"));
101 //gamma_frame->add(*gamma_table);
103 gamma_table->attach(gamma_pattern, 0, 2, 0, 1, Gtk::EXPAND, Gtk::SHRINK|Gtk::FILL, 0, 0);
105 Gtk::HScale* scale_gamma_r(manage(new Gtk::HScale(adj_gamma_r)));
106 gamma_table->attach(*manage(new Gtk::Label(_("Red"))), 0, 1, 1, 2, Gtk::SHRINK|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
107 gamma_table->attach(*scale_gamma_r, 1, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
108 adj_gamma_r.signal_value_changed().connect(sigc::mem_fun(*this,&studio::Dialog_Setup::on_gamma_r_change));
110 Gtk::HScale* scale_gamma_g(manage(new Gtk::HScale(adj_gamma_g)));
111 gamma_table->attach(*manage(new Gtk::Label(_("Green"))), 0, 1, 2, 3, Gtk::SHRINK|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
112 gamma_table->attach(*scale_gamma_g, 1, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
113 adj_gamma_g.signal_value_changed().connect(sigc::mem_fun(*this,&studio::Dialog_Setup::on_gamma_g_change));
115 Gtk::HScale* scale_gamma_b(manage(new Gtk::HScale(adj_gamma_b)));
116 gamma_table->attach(*manage(new Gtk::Label(_("Blue"))), 0, 1, 3, 4, Gtk::SHRINK|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
117 gamma_table->attach(*scale_gamma_b, 1, 2, 3, 4, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
118 adj_gamma_b.signal_value_changed().connect(sigc::mem_fun(*this,&studio::Dialog_Setup::on_gamma_b_change));
120 gamma_table->attach(*manage(new Gtk::Label(_("Black Level"))), 0, 1, 4, 5, Gtk::SHRINK|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
121 gamma_table->attach(black_level_selector, 1, 2, 4, 5, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
122 black_level_selector.signal_value_changed().connect(sigc::mem_fun(*this,&studio::Dialog_Setup::on_black_level_change));
124 //gamma_table->attach(*manage(new Gtk::Label(_("Red-Blue Level"))), 0, 1, 5, 6, Gtk::SHRINK|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
125 //gamma_table->attach(red_blue_level_selector, 1, 2, 5, 6, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
126 //red_blue_level_selector.signal_value_changed().connect(sigc::mem_fun(*this,&studio::Dialog_Setup::on_red_blue_level_change));
130 Gtk::Table *misc_table=manage(new Gtk::Table(2,2,false));
131 notebook->append_page(*misc_table,_("Misc."));
134 Gtk::AlignmentEnum xalign(Gtk::ALIGN_RIGHT), yalign(Gtk::ALIGN_CENTER);
135 int xpadding(8), ypadding(8);
138 timestamp_menu=manage(new class Gtk::Menu());
139 label = manage(new Gtk::Label(_("Timestamp:")));
140 label->set_alignment(xalign, yalign);
141 misc_table->attach(*label, 0, 1, 0, 1, Gtk::SHRINK|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, xpadding, ypadding);
142 misc_table->attach(timestamp_optionmenu, 1, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, xpadding, ypadding);
144 #define ADD_TIMESTAMP(desc,x) \
145 timestamp_menu->items().push_back( \
146 Gtk::Menu_Helpers::MenuElem( \
151 &studio::Dialog_Setup::set_time_format), \
153 ADD_TIMESTAMP("HH:MM:SS.FF", Time::FORMAT_VIDEO );
154 ADD_TIMESTAMP("(HHh MMm SSs) FFf", Time::FORMAT_NORMAL );
155 ADD_TIMESTAMP("(HHhMMmSSs)FFf", Time::FORMAT_NORMAL | Time::FORMAT_NOSPACES );
156 ADD_TIMESTAMP("HHh MMm SSs FFf", Time::FORMAT_NORMAL | Time::FORMAT_FULL );
157 ADD_TIMESTAMP("HHhMMmSSsFFf", Time::FORMAT_NORMAL | Time::FORMAT_NOSPACES | Time::FORMAT_FULL);
159 timestamp_optionmenu.set_menu(*timestamp_menu);
164 ParamDesc param_desc;
167 .add_enum_value(Distance::SYSTEM_UNITS,"u",_("Units"))
168 .add_enum_value(Distance::SYSTEM_PIXELS,"px",_("Pixels"))
169 .add_enum_value(Distance::SYSTEM_POINTS,"pt",_("Points"))
170 .add_enum_value(Distance::SYSTEM_INCHES,"in",_("Inches"))
171 .add_enum_value(Distance::SYSTEM_METERS,"m",_("Meters"))
172 .add_enum_value(Distance::SYSTEM_CENTIMETERS,"cm",_("Centimeters"))
173 .add_enum_value(Distance::SYSTEM_MILLIMETERS,"mm",_("Millimeters"));
175 widget_enum=manage(new Widget_Enum());
176 widget_enum->set_param_desc(param_desc);
178 label = manage(new Gtk::Label(_("Unit System:")));
179 label->set_alignment(xalign, yalign);
180 misc_table->attach(*label, 0, 1, 1, 2, Gtk::SHRINK|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, xpadding, ypadding);
181 misc_table->attach(*widget_enum, 1, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, xpadding, ypadding);
184 // Misc - recent files
185 Gtk::SpinButton* recent_files_spinbutton(manage(new Gtk::SpinButton(adj_recent_files,1,0)));
186 label = manage(new Gtk::Label(_("Recent Files:")));
187 label->set_alignment(xalign, yalign);
188 misc_table->attach(*label, 0, 1, 2, 3, Gtk::SHRINK|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, xpadding, ypadding);
189 misc_table->attach(*recent_files_spinbutton, 1, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, xpadding, ypadding);
191 // Misc - use_colorspace_gamma
192 misc_table->attach(toggle_use_colorspace_gamma, 0, 2, 5, 6, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, xpadding, ypadding);
194 // Misc - single_threaded
195 misc_table->attach(toggle_single_threaded, 0, 2, 6, 7, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, xpadding, ypadding);
197 // Misc - auto backup interval
198 label = manage(new Gtk::Label(_("Auto Backup Interval (0 to disable):")));
199 label->set_alignment(xalign, yalign);
200 misc_table->attach(*label, 0, 1, 3, 4, Gtk::SHRINK|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, xpadding, ypadding);
201 misc_table->attach(auto_backup_interval, 1, 2, 3, 4, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, xpadding, ypadding);
203 // Misc - restrict_radius_ducks
204 misc_table->attach(toggle_restrict_radius_ducks, 0, 2, 7, 8, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, xpadding, ypadding);
206 // Misc - browser_command
207 label = manage(new Gtk::Label(_("Browser Command:")));
208 label->set_alignment(xalign, yalign);
209 misc_table->attach(*label, 0, 1, 4, 5, Gtk::SHRINK|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, xpadding, ypadding);
210 misc_table->attach(textbox_browser_command, 1, 2, 4, 5, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, xpadding, ypadding);
215 Dialog_Setup::~Dialog_Setup()
220 Dialog_Setup::on_ok_pressed()
227 Dialog_Setup::on_apply_pressed()
229 App::gamma.set_all(1.0/adj_gamma_r.get_value(),1.0/adj_gamma_g.get_value(),1.0/adj_gamma_b.get_value(),black_level_selector.get_value(),red_blue_level_selector.get_value());
231 App::set_max_recent_files((int)adj_recent_files.get_value());
233 // Set the time format
234 App::set_time_format(get_time_format());
236 // Set the use_colorspace_gamma flag
237 App::use_colorspace_gamma=toggle_use_colorspace_gamma.get_active();
239 // Set the single_threaded flag
240 App::single_threaded=toggle_single_threaded.get_active();
242 // Set the auto backup interval
243 App::auto_recover->set_timeout(auto_backup_interval.get_value() * 1000);
245 App::distance_system=Distance::System(widget_enum->get_value());
247 // Set the restrict_radius_ducks flag
248 App::restrict_radius_ducks=toggle_restrict_radius_ducks.get_active();
250 // Set the browser_command textbox
251 App::browser_command=textbox_browser_command.get_text();
253 App::save_settings();
257 Dialog_Setup::on_gamma_r_change()
259 gamma_pattern.set_gamma_r(1.0/adj_gamma_r.get_value());
260 gamma_pattern.refresh();
261 gamma_pattern.queue_draw();
265 Dialog_Setup::on_gamma_g_change()
267 gamma_pattern.set_gamma_g(1.0/adj_gamma_g.get_value());
268 gamma_pattern.refresh();
269 gamma_pattern.queue_draw();
273 Dialog_Setup::on_gamma_b_change()
275 gamma_pattern.set_gamma_b(1.0/adj_gamma_b.get_value());
276 gamma_pattern.refresh();
277 gamma_pattern.queue_draw();
281 Dialog_Setup::on_black_level_change()
283 gamma_pattern.set_black_level(black_level_selector.get_value());
284 gamma_pattern.refresh();
285 gamma_pattern.queue_draw();
289 Dialog_Setup::on_red_blue_level_change()
291 gamma_pattern.set_red_blue_level(red_blue_level_selector.get_value());
292 gamma_pattern.refresh();
293 gamma_pattern.queue_draw();
298 Dialog_Setup::refresh()
300 // Refresh the temporary gamma; do this before adjusting the sliders,
301 // or variables will be used before their initialization.
302 gamma_pattern.set_gamma_r(App::gamma.get_gamma_r());
303 gamma_pattern.set_gamma_g(App::gamma.get_gamma_g());
304 gamma_pattern.set_gamma_b(App::gamma.get_gamma_b());
305 gamma_pattern.set_black_level(App::gamma.get_black_level());
306 gamma_pattern.set_red_blue_level(App::gamma.get_red_blue_level());
308 adj_gamma_r.set_value(1.0/App::gamma.get_gamma_r());
309 adj_gamma_g.set_value(1.0/App::gamma.get_gamma_g());
310 adj_gamma_b.set_value(1.0/App::gamma.get_gamma_b());
311 black_level_selector.set_value(App::gamma.get_black_level());
312 red_blue_level_selector.set_value(App::gamma.get_red_blue_level());
314 gamma_pattern.refresh();
316 adj_recent_files.set_value(App::get_max_recent_files());
318 // Refresh the time format
319 set_time_format(App::get_time_format());
321 widget_enum->set_value(App::distance_system);
323 // Refresh the status of the use_colorspace_gamma flag
324 toggle_use_colorspace_gamma.set_active(App::use_colorspace_gamma);
326 // Refresh the status of the single_threaded flag
327 toggle_single_threaded.set_active(App::single_threaded);
329 // Refresh the value of the auto backup interval
330 auto_backup_interval.set_value(App::auto_recover->get_timeout() / 1000);
332 // Refresh the status of the restrict_radius_ducks flag
333 toggle_restrict_radius_ducks.set_active(App::restrict_radius_ducks);
335 // Refresh the browser_command textbox
336 textbox_browser_command.set_text(App::browser_command);
339 GammaPattern::GammaPattern():
343 set_size_request(tile_w*4,tile_h*3);
344 signal_expose_event().connect(sigc::mem_fun(*this, &studio::GammaPattern::redraw));
347 GammaPattern::~GammaPattern()
352 GammaPattern::refresh()
376 black[1].set_rgb(black[0].get_red(),0,0);
377 gray25[1].set_rgb(gray25[0].get_red(),0,0);
378 gray50[1].set_rgb(gray50[0].get_red(),0,0);
379 white[1].set_rgb(white[0].get_red(),0,0);
382 black[2].set_rgb(0,black[0].get_green(),0);
383 gray25[2].set_rgb(0,gray25[0].get_green(),0);
384 gray50[2].set_rgb(0,gray50[0].get_green(),0);
385 white[2].set_rgb(0,white[0].get_green(),0);
388 black[3].set_rgb(0,0,black[0].get_blue());
389 gray25[3].set_rgb(0,0,gray25[0].get_blue());
390 gray50[3].set_rgb(0,0,gray50[0].get_blue());
391 white[3].set_rgb(0,0,white[0].get_blue());
395 GammaPattern::redraw(GdkEventExpose */*bleh*/)
397 static const char hlines[] = { 3, 0 };
399 Glib::RefPtr<Gdk::GC> gc(Gdk::GC::create(get_window()));
402 Gdk::Color trueblack("#000000");
407 gc->set_rgb_fg_color(black[i]);
408 get_window()->draw_rectangle(gc, true, i*tile_w, 0, tile_w, tile_h);
410 gc->set_stipple(Gdk::Bitmap::create(hlines,2,2));
411 gc->set_fill(Gdk::STIPPLED);
412 gc->set_rgb_fg_color(white[i]);
413 get_window()->draw_rectangle(gc, true, i*tile_w, 0, tile_w, tile_h);
415 gc->set_fill(Gdk::SOLID);
416 gc->set_rgb_fg_color(gray50[i]);
418 get_window()->draw_rectangle(gc, true, i*tile_w+tile_w/4, tile_h/4, tile_w-tile_w/2, tile_h-tile_h/2);
424 gc->set_rgb_fg_color(black[i]);
425 get_window()->draw_rectangle(gc, true, i*tile_w, tile_h, tile_w, tile_h);
427 gc->set_stipple(Gdk::Bitmap::create(hlines,2,2));
428 gc->set_fill(Gdk::STIPPLED);
429 gc->set_rgb_fg_color(gray50[i]);
430 get_window()->draw_rectangle(gc, true, i*tile_w, tile_h, tile_w, tile_h);
432 gc->set_fill(Gdk::SOLID);
433 gc->set_rgb_fg_color(gray25[i]);
435 get_window()->draw_rectangle(gc, true, i*tile_w+tile_w/4, tile_h+tile_h/4, tile_w-tile_w/2, tile_h-tile_h/2);
438 // Black-level Pattern
439 gc->set_rgb_fg_color(trueblack);
440 get_window()->draw_rectangle(gc, true, 0, tile_h*2, tile_w*4, tile_h);
441 gc->set_fill(Gdk::SOLID);
444 gc->set_rgb_fg_color(black[i]);
446 get_window()->draw_rectangle(gc, true, i*tile_w+tile_w/4, tile_h*2+tile_h/4, tile_w-tile_w/2, tile_h-tile_h/2);
453 BlackLevelSelector::BlackLevelSelector()
455 set_size_request(-1,24);
456 signal_expose_event().connect(sigc::mem_fun(*this, &studio::BlackLevelSelector::redraw));
458 add_events(Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK);
459 add_events(Gdk::BUTTON1_MOTION_MASK);
460 add_events(Gdk::BUTTON1_MOTION_MASK);
463 BlackLevelSelector::~BlackLevelSelector()
468 BlackLevelSelector::redraw(GdkEventExpose */*bleh*/)
470 const int w(get_width()),h(get_height());
474 Glib::RefPtr<Gdk::GC> gc(Gdk::GC::create(get_window()));
481 color.set_rgb(i*65536/w,i*65536/w,i*65536/w);
483 gc->set_rgb_fg_color(color);
484 get_window()->draw_rectangle(gc, true, i, 0, 1, h);
488 gc->set_rgb_fg_color(Gdk::Color("#000000"));
489 get_window()->draw_rectangle(gc, false, 0, 0, w-1, h-1);
491 // Draw the position of the current value
492 i=(int)(level*w+0.5);
493 gc->set_rgb_fg_color(Gdk::Color("#ff0000"));
494 get_window()->draw_rectangle(gc, true, i, 1, 1, h-1);
496 // Print out the value
497 Glib::RefPtr<Pango::Layout> layout(Pango::Layout::create(get_pango_context()));
498 layout->set_text(etl::strprintf("%0.01f%%",level*100.0f));
499 layout->set_alignment(Pango::ALIGN_CENTER);
500 gc->set_rgb_fg_color(Gdk::Color("#a00000"));
501 get_window()->draw_layout(gc, w/2, 4, layout);
509 BlackLevelSelector::on_event(GdkEvent *event)
511 int x(round_to_int(event->button.x));
512 //int y(round_to_int(event->button.y));
516 case GDK_MOTION_NOTIFY:
517 level=(float)x/(float)get_width();
518 if(level<0.0f)level=0.0f;
519 if(level>1.0f)level=1.0f;
520 signal_value_changed_();
524 case GDK_BUTTON_PRESS:
525 case GDK_BUTTON_RELEASE:
526 if(event->button.button==1)
528 level=(float)x/(float)get_width();
529 if(level<0.0f)level=0.0f;
530 if(level>1.0f)level=1.0f;
531 signal_value_changed_();
545 Dialog_Setup::set_time_format(synfig::Time::Format x)
548 if(x<=Time::FORMAT_VIDEO)
549 timestamp_optionmenu.set_history(0);
552 if(x==(Time::FORMAT_NOSPACES|Time::FORMAT_FULL))
553 timestamp_optionmenu.set_history(4);
554 else if(x==(Time::FORMAT_FULL))
555 timestamp_optionmenu.set_history(3);
556 else if(x==(Time::FORMAT_NOSPACES))
557 timestamp_optionmenu.set_history(2);
559 timestamp_optionmenu.set_history(1);
578 RedBlueLevelSelector::RedBlueLevelSelector()
580 set_size_request(-1,24);
581 signal_expose_event().connect(sigc::mem_fun(*this, &studio::RedBlueLevelSelector::redraw));
583 add_events(Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK);
584 add_events(Gdk::BUTTON1_MOTION_MASK);
585 add_events(Gdk::BUTTON1_MOTION_MASK);
588 RedBlueLevelSelector::~RedBlueLevelSelector()
593 RedBlueLevelSelector::redraw(GdkEventExpose */*bleh*/)
595 const int w(get_width()),h(get_height());
599 Glib::RefPtr<Gdk::GC> gc(Gdk::GC::create(get_window()));
606 float red_blue(((float(i)/float(w)+0.5f)-1.0f)/2.0f+1.0f);
607 float blue_red(2.0f-(red_blue));
608 if(red_blue>1.0f)red_blue=1.0f;
609 if(blue_red>1.0f)blue_red=1.0f;
612 round_to_int(min(red_blue,1.0f)*65535),
613 round_to_int(sqrt(min(red_blue,blue_red))*65535),
614 round_to_int(min(blue_red,1.0f)*65535)
617 gc->set_rgb_fg_color(color);
618 get_window()->draw_rectangle(gc, true, i, 0, 1, h);
622 gc->set_rgb_fg_color(Gdk::Color("#000000"));
623 get_window()->draw_rectangle(gc, false, 0, 0, w-1, h-1);
625 // Draw the position of the current value
626 i=(int)(((level-1.0f)*2.0f+1.0f-0.5f)*w+0.5);
627 gc->set_rgb_fg_color(Gdk::Color("#00ff00"));
628 get_window()->draw_rectangle(gc, true, i, 1, 1, h-1);
630 // Print out the value
631 Glib::RefPtr<Pango::Layout> layout(Pango::Layout::create(get_pango_context()));
632 layout->set_text(etl::strprintf("%0.02f",level));
633 layout->set_alignment(Pango::ALIGN_CENTER);
634 gc->set_rgb_fg_color(Gdk::Color("#a00000"));
635 get_window()->draw_layout(gc, w/2, 4, layout);
643 RedBlueLevelSelector::on_event(GdkEvent *event)
645 int x(round_to_int(event->button.x));
646 //int y(round_to_int(event->button.y));
650 case GDK_MOTION_NOTIFY:
651 level=(((float)(x)/(float)get_width()+0.5)-1.0f)/2.0f+1.0f;
652 if(level<0.5f)level=0.5f;
653 if(level>1.5f)level=1.5f;
654 signal_value_changed_();
658 case GDK_BUTTON_PRESS:
659 case GDK_BUTTON_RELEASE:
660 if(event->button.button==1)
662 level=(((float)(x)/(float)get_width()+0.5)-1.0f)/2.0f+1.0f;
663 if(level<0.5f)level=0.5f;
664 if(level>1.5f)level=1.5f;
665 signal_value_changed_();