synfig-studio/trunk/src/gtkmm/dialog_setup.cpp

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file dialog_setup.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) 2007 Chris Moore
  10 **
  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.
  15 **
  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.
  20 **      \endlegal
  21 */
  22 /* ========================================================================= */
  23
  24 /* === H E A D E R S ======================================================= */
  25
  26 #ifdef USING_PCH
  27 #       include "pch.h"
  28 #else
  29 #ifdef HAVE_CONFIG_H
  30 #       include <config.h>
  31 #endif
  32
  33 #include "dialog_setup.h"
  34 #include "app.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
  42 #include <ETL/stringf>
  43 #include <ETL/misc>
  44 #endif
  45
  46 /* === U S I N G =========================================================== */
  47
  48 using namespace std;
  49 using namespace etl;
  50 using namespace synfig;
  51 using namespace studio;
  52
  53 /* === M A C R O S ========================================================= */
  54
  55 /* === G L O B A L S ======================================================= */
  56
  57 /* === P R O C E D U R E S ================================================= */
  58
  59 /* === M E T H O D S ======================================================= */
  60
  61 Dialog_Setup::Dialog_Setup():
  62         Dialog(_("Synfig Studio Setup"),false,true),
  63         adj_gamma_r(2.2,0.1,3.0,0.025,0.025,0.025),
  64         adj_gamma_g(2.2,0.1,3.0,0.025,0.025,0.025),
  65         adj_gamma_b(2.2,0.1,3.0,0.025,0.025,0.025),
  66         adj_recent_files(15,1,50,1,1,1),
  67         adj_undo_depth(100,10,5000,1,1,1),
  68         toggle_use_colorspace_gamma(_("Visually Linear Color Selection")),
  69         toggle_single_threaded(_("Use Only a Single Thread"))
  70 {
  71         // Setup the buttons
  72
  73         Gtk::Button *ok_button(manage(new class Gtk::Button(Gtk::StockID("gtk-ok"))));
  74         ok_button->show();
  75         add_action_widget(*ok_button,2);
  76         ok_button->signal_clicked().connect(sigc::mem_fun(*this, &Dialog_Setup::on_ok_pressed));
  77
  78         Gtk::Button *apply_button(manage(new class Gtk::Button(Gtk::StockID("gtk-apply"))));
  79         apply_button->show();
  80         add_action_widget(*apply_button,1);
  81         apply_button->signal_clicked().connect(sigc::mem_fun(*this, &Dialog_Setup::on_apply_pressed));
  82
  83         Gtk::Button *cancel_button(manage(new class Gtk::Button(Gtk::StockID("gtk-close"))));
  84         cancel_button->show();
  85         add_action_widget(*cancel_button,0);
  86         cancel_button->signal_clicked().connect(sigc::mem_fun(*this, &Dialog_Setup::hide));
  87
  88
  89         // Notebook
  90         Gtk::Notebook *notebook=manage(new class Gtk::Notebook());
  91         get_vbox()->pack_start(*notebook);
  92
  93
  94         // Gamma
  95         Gtk::Table *gamma_table=manage(new Gtk::Table(2,2,false));
  96         notebook->append_page(*gamma_table,_("Gamma"));
  97         //gamma_frame->add(*gamma_table);
  98
  99         gamma_table->attach(gamma_pattern, 0, 2, 0, 1, Gtk::EXPAND, Gtk::SHRINK|Gtk::FILL, 0, 0);
 100
 101         Gtk::HScale* scale_gamma_r(manage(new Gtk::HScale(adj_gamma_r)));
 102         gamma_table->attach(*manage(new Gtk::Label(_("Red"))), 0, 1, 1, 2, Gtk::SHRINK|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
 103         gamma_table->attach(*scale_gamma_r, 1, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
 104         adj_gamma_r.signal_value_changed().connect(sigc::mem_fun(*this,&studio::Dialog_Setup::on_gamma_r_change));
 105
 106         Gtk::HScale* scale_gamma_g(manage(new Gtk::HScale(adj_gamma_g)));
 107         gamma_table->attach(*manage(new Gtk::Label(_("Green"))), 0, 1, 2, 3, Gtk::SHRINK|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
 108         gamma_table->attach(*scale_gamma_g, 1, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
 109         adj_gamma_g.signal_value_changed().connect(sigc::mem_fun(*this,&studio::Dialog_Setup::on_gamma_g_change));
 110
 111         Gtk::HScale* scale_gamma_b(manage(new Gtk::HScale(adj_gamma_b)));
 112         gamma_table->attach(*manage(new Gtk::Label(_("Blue"))), 0, 1, 3, 4, Gtk::SHRINK|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
 113         gamma_table->attach(*scale_gamma_b, 1, 2, 3, 4, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
 114         adj_gamma_b.signal_value_changed().connect(sigc::mem_fun(*this,&studio::Dialog_Setup::on_gamma_b_change));
 115
 116         gamma_table->attach(*manage(new Gtk::Label(_("Black Level"))), 0, 1, 4, 5, Gtk::SHRINK|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
 117         gamma_table->attach(black_level_selector, 1, 2, 4, 5, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
 118         black_level_selector.signal_value_changed().connect(sigc::mem_fun(*this,&studio::Dialog_Setup::on_black_level_change));
 119
 120         //gamma_table->attach(*manage(new Gtk::Label(_("Red-Blue Level"))), 0, 1, 5, 6, Gtk::SHRINK|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
 121         //gamma_table->attach(red_blue_level_selector, 1, 2, 5, 6, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
 122         //red_blue_level_selector.signal_value_changed().connect(sigc::mem_fun(*this,&studio::Dialog_Setup::on_red_blue_level_change));
 123
 124
 125         // Misc
 126         Gtk::Table *misc_table=manage(new Gtk::Table(2,2,false));
 127         notebook->append_page(*misc_table,_("Misc."));
 128
 129         // Misc - Timestamp
 130         timestamp_menu=manage(new class Gtk::Menu());
 131         misc_table->attach(*manage(new Gtk::Label(_("Timestamp"))), 0, 1, 0, 1, Gtk::SHRINK|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
 132         misc_table->attach(timestamp_optionmenu, 1, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
 133
 134 #define ADD_TIMESTAMP(desc,x)   \
 135         timestamp_menu->items().push_back(      \
 136                 Gtk::Menu_Helpers::MenuElem(    \
 137                         desc,   \
 138                         sigc::bind(     \
 139                                 sigc::mem_fun(  \
 140                                         *this,  \
 141                                         &studio::Dialog_Setup::set_time_format  \
 142                                 ),      \
 143                                 x       \
 144                         )       \
 145                 )       \
 146         );
 147         ADD_TIMESTAMP("HH:MM:SS.FF",Time::FORMAT_VIDEO);
 148         ADD_TIMESTAMP("(HHh MMm SSs) FFf",Time::FORMAT_NORMAL);
 149         ADD_TIMESTAMP("(HHhMMmSSs)FFf",Time::FORMAT_NORMAL|Time::FORMAT_NOSPACES);
 150         ADD_TIMESTAMP("HHh MMm SSs FFf",Time::FORMAT_NORMAL|Time::FORMAT_FULL);
 151         ADD_TIMESTAMP("HHhMMmSSsFFf",Time::FORMAT_NORMAL|Time::FORMAT_NOSPACES|Time::FORMAT_FULL);
 152
 153         timestamp_optionmenu.set_menu(*timestamp_menu);
 154
 155 #undef ADD_TIMESTAMP
 156
 157         {
 158                 ParamDesc param_desc;
 159                 param_desc
 160                         .set_hint("enum")
 161                         .add_enum_value(Distance::SYSTEM_UNITS,"u",_("Units"))
 162                         .add_enum_value(Distance::SYSTEM_PIXELS,"px",_("Pixels"))
 163                         .add_enum_value(Distance::SYSTEM_POINTS,"pt",_("Points"))
 164                         .add_enum_value(Distance::SYSTEM_INCHES,"in",_("Inches"))
 165                         .add_enum_value(Distance::SYSTEM_METERS,"m",_("Meters"))
 166                         .add_enum_value(Distance::SYSTEM_CENTIMETERS,"cm",_("Centimeters"))
 167                         .add_enum_value(Distance::SYSTEM_MILLIMETERS,"mm",_("Millimeters"));
 168
 169                 widget_enum=manage(new Widget_Enum());
 170                 widget_enum->set_param_desc(param_desc);
 171
 172                 misc_table->attach(*manage(new Gtk::Label(_("Unit System"))), 0, 1, 3, 4, Gtk::SHRINK|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
 173                 misc_table->attach(*widget_enum, 1, 2, 3, 4, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
 174         }
 175
 176         // Misc - recent files
 177         Gtk::SpinButton* recent_files_spinbutton(manage(new Gtk::SpinButton(adj_recent_files,1,0)));
 178         misc_table->attach(*manage(new Gtk::Label(_("Recent Files"))), 0, 1, 1, 2, Gtk::SHRINK|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
 179         misc_table->attach(*recent_files_spinbutton, 1, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
 180
 181         // Misc - use_colorspace_gamma
 182         misc_table->attach(toggle_use_colorspace_gamma, 0, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
 183
 184         // Misc - single_threaded
 185         misc_table->attach(toggle_single_threaded, 0, 2, 4, 5, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
 186
 187         show_all_children();
 188 }
 189
 190 Dialog_Setup::~Dialog_Setup()
 191 {
 192 }
 193
 194 void
 195 Dialog_Setup::on_ok_pressed()
 196 {
 197     on_apply_pressed();
 198         hide();
 199 }
 200
 201 void
 202 Dialog_Setup::on_apply_pressed()
 203 {
 204         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());
 205
 206         App::set_max_recent_files((int)adj_recent_files.get_value());
 207
 208         // Set the time format
 209         App::set_time_format(get_time_format());
 210
 211         // Set the use_colorspace_gamma flag
 212         App::use_colorspace_gamma=toggle_use_colorspace_gamma.get_active();
 213
 214         // Set the single_threaded flag
 215         App::single_threaded=toggle_single_threaded.get_active();
 216
 217         App::distance_system=Distance::System(widget_enum->get_value());
 218
 219         App::save_settings();
 220 }
 221
 222 void
 223 Dialog_Setup::on_gamma_r_change()
 224 {
 225         gamma_pattern.set_gamma_r(1.0/adj_gamma_r.get_value());
 226         gamma_pattern.refresh();
 227         gamma_pattern.queue_draw();
 228 }
 229
 230 void
 231 Dialog_Setup::on_gamma_g_change()
 232 {
 233         gamma_pattern.set_gamma_g(1.0/adj_gamma_g.get_value());
 234         gamma_pattern.refresh();
 235         gamma_pattern.queue_draw();
 236 }
 237
 238 void
 239 Dialog_Setup::on_gamma_b_change()
 240 {
 241         gamma_pattern.set_gamma_b(1.0/adj_gamma_b.get_value());
 242         gamma_pattern.refresh();
 243         gamma_pattern.queue_draw();
 244 }
 245
 246 void
 247 Dialog_Setup::on_black_level_change()
 248 {
 249         gamma_pattern.set_black_level(black_level_selector.get_value());
 250         gamma_pattern.refresh();
 251         gamma_pattern.queue_draw();
 252 }
 253
 254 void
 255 Dialog_Setup::on_red_blue_level_change()
 256 {
 257         gamma_pattern.set_red_blue_level(red_blue_level_selector.get_value());
 258         gamma_pattern.refresh();
 259         gamma_pattern.queue_draw();
 260 }
 261
 262
 263 void
 264 Dialog_Setup::refresh()
 265 {
 266         // Refresh the temporary gamma; do this before adjusting the sliders,
 267         // or variables will be used before their initialization.
 268         gamma_pattern.set_gamma_r(App::gamma.get_gamma_r());
 269         gamma_pattern.set_gamma_g(App::gamma.get_gamma_g());
 270         gamma_pattern.set_gamma_b(App::gamma.get_gamma_b());
 271         gamma_pattern.set_black_level(App::gamma.get_black_level());
 272         gamma_pattern.set_red_blue_level(App::gamma.get_red_blue_level());
 273
 274         adj_gamma_r.set_value(1.0/App::gamma.get_gamma_r());
 275         adj_gamma_g.set_value(1.0/App::gamma.get_gamma_g());
 276         adj_gamma_b.set_value(1.0/App::gamma.get_gamma_b());
 277         black_level_selector.set_value(App::gamma.get_black_level());
 278         red_blue_level_selector.set_value(App::gamma.get_red_blue_level());
 279
 280         gamma_pattern.refresh();
 281
 282         adj_recent_files.set_value(App::get_max_recent_files());
 283
 284         // Refresh the time format
 285         set_time_format(App::get_time_format());
 286
 287         widget_enum->set_value(App::distance_system);
 288
 289         // Refresh the status of the use_colorspace_gamma flag
 290         toggle_use_colorspace_gamma.set_active(App::use_colorspace_gamma);
 291
 292         // Refresh the status of the single_threaded flag
 293         toggle_single_threaded.set_active(App::single_threaded);
 294 }
 295
 296 GammaPattern::GammaPattern():
 297         tile_w(80),
 298         tile_h(80)
 299 {
 300         set_size_request(tile_w*4,tile_h*3);
 301         signal_expose_event().connect(sigc::mem_fun(*this, &studio::GammaPattern::redraw));
 302 }
 303
 304 GammaPattern::~GammaPattern()
 305 {
 306 }
 307
 308 void
 309 GammaPattern::refresh()
 310 {
 311         black[0].set_rgb_p(
 312                 r_F32_to_F32(0.0),
 313                 g_F32_to_F32(0.0),
 314                 b_F32_to_F32(0.0)
 315         );
 316         white[0].set_rgb_p(
 317                 r_F32_to_F32(1.0),
 318                 g_F32_to_F32(1.0),
 319                 b_F32_to_F32(1.0)
 320         );
 321         gray50[0].set_rgb_p(
 322                 r_F32_to_F32(0.5),
 323                 g_F32_to_F32(0.5),
 324                 b_F32_to_F32(0.5)
 325         );
 326         gray25[0].set_rgb_p(
 327                 r_F32_to_F32(0.25),
 328                 g_F32_to_F32(0.25),
 329                 b_F32_to_F32(0.25)
 330         );
 331
 332         // Reds
 333         black[1].set_rgb(black[0].get_red(),0,0);
 334         gray25[1].set_rgb(gray25[0].get_red(),0,0);
 335         gray50[1].set_rgb(gray50[0].get_red(),0,0);
 336         white[1].set_rgb(white[0].get_red(),0,0);
 337
 338         // Greens
 339         black[2].set_rgb(0,black[0].get_green(),0);
 340         gray25[2].set_rgb(0,gray25[0].get_green(),0);
 341         gray50[2].set_rgb(0,gray50[0].get_green(),0);
 342         white[2].set_rgb(0,white[0].get_green(),0);
 343
 344         // blues
 345         black[3].set_rgb(0,0,black[0].get_blue());
 346         gray25[3].set_rgb(0,0,gray25[0].get_blue());
 347         gray50[3].set_rgb(0,0,gray50[0].get_blue());
 348         white[3].set_rgb(0,0,white[0].get_blue());
 349 }
 350
 351 bool
 352 GammaPattern::redraw(GdkEventExpose */*bleh*/)
 353 {
 354         static const char hlines[] = { 3, 0 };
 355
 356         Glib::RefPtr<Gdk::GC> gc(Gdk::GC::create(get_window()));
 357
 358         int i;
 359         Gdk::Color trueblack("#000000");
 360
 361         // 50% Pattern
 362         for(i=0;i<4;i++)
 363         {
 364                 gc->set_rgb_fg_color(black[i]);
 365                 get_window()->draw_rectangle(gc, true, i*tile_w, 0, tile_w, tile_h);
 366
 367                 gc->set_stipple(Gdk::Bitmap::create(hlines,2,2));
 368                 gc->set_fill(Gdk::STIPPLED);
 369                 gc->set_rgb_fg_color(white[i]);
 370                 get_window()->draw_rectangle(gc, true, i*tile_w, 0, tile_w, tile_h);
 371
 372                 gc->set_fill(Gdk::SOLID);
 373                 gc->set_rgb_fg_color(gray50[i]);
 374
 375                 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);
 376         }
 377
 378         // 25% Pattern
 379         for(i=0;i<4;i++)
 380         {
 381                 gc->set_rgb_fg_color(black[i]);
 382                 get_window()->draw_rectangle(gc, true, i*tile_w, tile_h, tile_w, tile_h);
 383
 384                 gc->set_stipple(Gdk::Bitmap::create(hlines,2,2));
 385                 gc->set_fill(Gdk::STIPPLED);
 386                 gc->set_rgb_fg_color(gray50[i]);
 387                 get_window()->draw_rectangle(gc, true, i*tile_w, tile_h, tile_w, tile_h);
 388
 389                 gc->set_fill(Gdk::SOLID);
 390                 gc->set_rgb_fg_color(gray25[i]);
 391
 392                 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);
 393         }
 394
 395         // Black-level Pattern
 396         gc->set_rgb_fg_color(trueblack);
 397         get_window()->draw_rectangle(gc, true, 0, tile_h*2, tile_w*4, tile_h);
 398         gc->set_fill(Gdk::SOLID);
 399         for(i=0;i<4;i++)
 400         {
 401                 gc->set_rgb_fg_color(black[i]);
 402
 403                 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);
 404         }
 405
 406         return true;
 407 }
 408
 409
 410 BlackLevelSelector::BlackLevelSelector()
 411 {
 412         set_size_request(-1,24);
 413         signal_expose_event().connect(sigc::mem_fun(*this, &studio::BlackLevelSelector::redraw));
 414
 415         add_events(Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK);
 416         add_events(Gdk::BUTTON1_MOTION_MASK);
 417         add_events(Gdk::BUTTON1_MOTION_MASK);
 418 }
 419
 420 BlackLevelSelector::~BlackLevelSelector()
 421 {
 422 }
 423
 424 bool
 425 BlackLevelSelector::redraw(GdkEventExpose */*bleh*/)
 426 {
 427         const int w(get_width()),h(get_height());
 428
 429         Gdk::Color color;
 430
 431         Glib::RefPtr<Gdk::GC> gc(Gdk::GC::create(get_window()));
 432
 433         int i;
 434
 435         // Draw the gradient
 436         for(i=0;i<w;i++)
 437         {
 438                 color.set_rgb(i*65536/w,i*65536/w,i*65536/w);
 439
 440                 gc->set_rgb_fg_color(color);
 441                 get_window()->draw_rectangle(gc, true, i, 0, 1, h);
 442         }
 443
 444         // Draw a frame
 445         gc->set_rgb_fg_color(Gdk::Color("#000000"));
 446         get_window()->draw_rectangle(gc, false, 0, 0, w-1, h-1);
 447
 448         // Draw the position of the current value
 449         i=(int)(level*w+0.5);
 450         gc->set_rgb_fg_color(Gdk::Color("#ff0000"));
 451         get_window()->draw_rectangle(gc, true, i, 1, 1, h-1);
 452
 453         // Print out the value
 454         Glib::RefPtr<Pango::Layout> layout(Pango::Layout::create(get_pango_context()));
 455         layout->set_text(etl::strprintf("%0.01f%%",level*100.0f));
 456         layout->set_alignment(Pango::ALIGN_CENTER);
 457         gc->set_rgb_fg_color(Gdk::Color("#a00000"));
 458         get_window()->draw_layout(gc, w/2, 4, layout);
 459
 460         return true;
 461 }
 462
 463
 464
 465 bool
 466 BlackLevelSelector::on_event(GdkEvent *event)
 467 {
 468         int x(round_to_int(event->button.x));
 469         //int y(round_to_int(event->button.y));
 470
 471     switch(event->type)
 472     {
 473         case GDK_MOTION_NOTIFY:
 474                 level=(float)x/(float)get_width();
 475                 if(level<0.0f)level=0.0f;
 476                 if(level>1.0f)level=1.0f;
 477                 signal_value_changed_();
 478                 queue_draw();
 479                 return true;
 480                 break;
 481         case GDK_BUTTON_PRESS:
 482         case GDK_BUTTON_RELEASE:
 483                 if(event->button.button==1)
 484                 {
 485                         level=(float)x/(float)get_width();
 486                         if(level<0.0f)level=0.0f;
 487                         if(level>1.0f)level=1.0f;
 488                         signal_value_changed_();
 489                         queue_draw();
 490                         return true;
 491                 }
 492                 break;
 493         default:
 494                 break;
 495         }
 496
 497         return false;
 498 }
 499
 500
 501 void
 502 Dialog_Setup::set_time_format(Time::Format x)
 503 {
 504         time_format=x;
 505         if(x<=Time::FORMAT_VIDEO)
 506                 timestamp_optionmenu.set_history(0);
 507         else
 508         {
 509                 if(x==(Time::FORMAT_NOSPACES|Time::FORMAT_FULL))
 510                         timestamp_optionmenu.set_history(4);
 511                 else if(x==(Time::FORMAT_FULL))
 512                         timestamp_optionmenu.set_history(3);
 513                 else if(x==(Time::FORMAT_NOSPACES))
 514                         timestamp_optionmenu.set_history(2);
 515                 else
 516                         timestamp_optionmenu.set_history(1);
 517         }
 518 }
 519
 520
 521
 522
 523
 524
 525
 526
 527
 528
 529
 530
 531
 532
 533
 534
 535 RedBlueLevelSelector::RedBlueLevelSelector()
 536 {
 537         set_size_request(-1,24);
 538         signal_expose_event().connect(sigc::mem_fun(*this, &studio::RedBlueLevelSelector::redraw));
 539
 540         add_events(Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK);
 541         add_events(Gdk::BUTTON1_MOTION_MASK);
 542         add_events(Gdk::BUTTON1_MOTION_MASK);
 543 }
 544
 545 RedBlueLevelSelector::~RedBlueLevelSelector()
 546 {
 547 }
 548
 549 bool
 550 RedBlueLevelSelector::redraw(GdkEventExpose */*bleh*/)
 551 {
 552         const int w(get_width()),h(get_height());
 553
 554         Gdk::Color color;
 555
 556         Glib::RefPtr<Gdk::GC> gc(Gdk::GC::create(get_window()));
 557
 558         int i;
 559
 560         // Draw the gradient
 561         for(i=0;i<w;i++)
 562         {
 563                 float red_blue(((float(i)/float(w)+0.5f)-1.0f)/2.0f+1.0f);
 564                 float blue_red(2.0f-(red_blue));
 565                 if(red_blue>1.0f)red_blue=1.0f;
 566                 if(blue_red>1.0f)blue_red=1.0f;
 567
 568                 color.set_rgb(
 569                         round_to_int(min(red_blue,1.0f)*65535),
 570                         round_to_int(sqrt(min(red_blue,blue_red))*65535),
 571                         round_to_int(min(blue_red,1.0f)*65535)
 572                 );
 573
 574                 gc->set_rgb_fg_color(color);
 575                 get_window()->draw_rectangle(gc, true, i, 0, 1, h);
 576         }
 577
 578         // Draw a frame
 579         gc->set_rgb_fg_color(Gdk::Color("#000000"));
 580         get_window()->draw_rectangle(gc, false, 0, 0, w-1, h-1);
 581
 582         // Draw the position of the current value
 583         i=(int)(((level-1.0f)*2.0f+1.0f-0.5f)*w+0.5);
 584         gc->set_rgb_fg_color(Gdk::Color("#00ff00"));
 585         get_window()->draw_rectangle(gc, true, i, 1, 1, h-1);
 586
 587         // Print out the value
 588         Glib::RefPtr<Pango::Layout> layout(Pango::Layout::create(get_pango_context()));
 589         layout->set_text(etl::strprintf("%0.02f",level));
 590         layout->set_alignment(Pango::ALIGN_CENTER);
 591         gc->set_rgb_fg_color(Gdk::Color("#a00000"));
 592         get_window()->draw_layout(gc, w/2, 4, layout);
 593
 594         return true;
 595 }
 596
 597
 598
 599 bool
 600 RedBlueLevelSelector::on_event(GdkEvent *event)
 601 {
 602         int x(round_to_int(event->button.x));
 603         //int y(round_to_int(event->button.y));
 604
 605     switch(event->type)
 606     {
 607         case GDK_MOTION_NOTIFY:
 608                 level=(((float)(x)/(float)get_width()+0.5)-1.0f)/2.0f+1.0f;
 609                 if(level<0.5f)level=0.5f;
 610                 if(level>1.5f)level=1.5f;
 611                 signal_value_changed_();
 612                 queue_draw();
 613                 return true;
 614                 break;
 615         case GDK_BUTTON_PRESS:
 616         case GDK_BUTTON_RELEASE:
 617                 if(event->button.button==1)
 618                 {
 619                         level=(((float)(x)/(float)get_width()+0.5)-1.0f)/2.0f+1.0f;
 620                         if(level<0.5f)level=0.5f;
 621                         if(level>1.5f)level=1.5f;
 622                         signal_value_changed_();
 623                         queue_draw();
 624                         return true;
 625                 }
 626                 break;
 627         default:
 628                 break;
 629         }
 630
 631         return false;
 632 }