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 #include "general.h"
  45
  46 #endif
  47
  48 /* === U S I N G =========================================================== */
  49
  50 using namespace std;
  51 using namespace etl;
  52 using namespace synfig;
  53 using namespace studio;
  54
  55 /* === M A C R O S ========================================================= */
  56
  57 /* === G L O B A L S ======================================================= */
  58
  59 /* === P R O C E D U R E S ================================================= */
  60
  61 /* === M E T H O D S ======================================================= */
  62
  63 Dialog_Setup::Dialog_Setup():
  64         Dialog(_("Synfig Studio Setup"),false,true),
  65         adj_gamma_r(2.2,0.1,3.0,0.025,0.025,0.025),
  66         adj_gamma_g(2.2,0.1,3.0,0.025,0.025,0.025),
  67         adj_gamma_b(2.2,0.1,3.0,0.025,0.025,0.025),
  68         adj_recent_files(15,1,50,1,1,1),
  69         adj_undo_depth(100,10,5000,1,1,1),
  70         toggle_use_colorspace_gamma(_("Visually Linear Color Selection")),
  71         toggle_single_threaded(_("Use Only a Single Thread"))
  72 {
  73         // Setup the buttons
  74
  75         Gtk::Button *ok_button(manage(new class Gtk::Button(Gtk::StockID("gtk-ok"))));
  76         ok_button->show();
  77         add_action_widget(*ok_button,2);
  78         ok_button->signal_clicked().connect(sigc::mem_fun(*this, &Dialog_Setup::on_ok_pressed));
  79
  80         Gtk::Button *apply_button(manage(new class Gtk::Button(Gtk::StockID("gtk-apply"))));
  81         apply_button->show();
  82         add_action_widget(*apply_button,1);
  83         apply_button->signal_clicked().connect(sigc::mem_fun(*this, &Dialog_Setup::on_apply_pressed));
  84
  85         Gtk::Button *cancel_button(manage(new class Gtk::Button(Gtk::StockID("gtk-close"))));
  86         cancel_button->show();
  87         add_action_widget(*cancel_button,0);
  88         cancel_button->signal_clicked().connect(sigc::mem_fun(*this, &Dialog_Setup::hide));
  89
  90
  91         // Notebook
  92         Gtk::Notebook *notebook=manage(new class Gtk::Notebook());
  93         get_vbox()->pack_start(*notebook);
  94
  95
  96         // Gamma
  97         Gtk::Table *gamma_table=manage(new Gtk::Table(2,2,false));
  98         notebook->append_page(*gamma_table,_("Gamma"));
  99         //gamma_frame->add(*gamma_table);
 100
 101         gamma_table->attach(gamma_pattern, 0, 2, 0, 1, Gtk::EXPAND, Gtk::SHRINK|Gtk::FILL, 0, 0);
 102
 103         Gtk::HScale* scale_gamma_r(manage(new Gtk::HScale(adj_gamma_r)));
 104         gamma_table->attach(*manage(new Gtk::Label(_("Red"))), 0, 1, 1, 2, Gtk::SHRINK|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
 105         gamma_table->attach(*scale_gamma_r, 1, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
 106         adj_gamma_r.signal_value_changed().connect(sigc::mem_fun(*this,&studio::Dialog_Setup::on_gamma_r_change));
 107
 108         Gtk::HScale* scale_gamma_g(manage(new Gtk::HScale(adj_gamma_g)));
 109         gamma_table->attach(*manage(new Gtk::Label(_("Green"))), 0, 1, 2, 3, Gtk::SHRINK|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
 110         gamma_table->attach(*scale_gamma_g, 1, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
 111         adj_gamma_g.signal_value_changed().connect(sigc::mem_fun(*this,&studio::Dialog_Setup::on_gamma_g_change));
 112
 113         Gtk::HScale* scale_gamma_b(manage(new Gtk::HScale(adj_gamma_b)));
 114         gamma_table->attach(*manage(new Gtk::Label(_("Blue"))), 0, 1, 3, 4, Gtk::SHRINK|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
 115         gamma_table->attach(*scale_gamma_b, 1, 2, 3, 4, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
 116         adj_gamma_b.signal_value_changed().connect(sigc::mem_fun(*this,&studio::Dialog_Setup::on_gamma_b_change));
 117
 118         gamma_table->attach(*manage(new Gtk::Label(_("Black Level"))), 0, 1, 4, 5, Gtk::SHRINK|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
 119         gamma_table->attach(black_level_selector, 1, 2, 4, 5, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
 120         black_level_selector.signal_value_changed().connect(sigc::mem_fun(*this,&studio::Dialog_Setup::on_black_level_change));
 121
 122         //gamma_table->attach(*manage(new Gtk::Label(_("Red-Blue Level"))), 0, 1, 5, 6, Gtk::SHRINK|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
 123         //gamma_table->attach(red_blue_level_selector, 1, 2, 5, 6, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
 124         //red_blue_level_selector.signal_value_changed().connect(sigc::mem_fun(*this,&studio::Dialog_Setup::on_red_blue_level_change));
 125
 126
 127         // Misc
 128         Gtk::Table *misc_table=manage(new Gtk::Table(2,2,false));
 129         notebook->append_page(*misc_table,_("Misc."));
 130
 131         // Misc - Timestamp
 132         timestamp_menu=manage(new class Gtk::Menu());
 133         misc_table->attach(*manage(new Gtk::Label(_("Timestamp"))), 0, 1, 0, 1, Gtk::SHRINK|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
 134         misc_table->attach(timestamp_optionmenu, 1, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
 135
 136 #define ADD_TIMESTAMP(desc,x)   \
 137         timestamp_menu->items().push_back(      \
 138                 Gtk::Menu_Helpers::MenuElem(    \
 139                         desc,   \
 140                         sigc::bind(     \
 141                                 sigc::mem_fun(  \
 142                                         *this,  \
 143                                         &studio::Dialog_Setup::set_time_format  \
 144                                 ),      \
 145                                 x       \
 146                         )       \
 147                 )       \
 148         );
 149         ADD_TIMESTAMP("HH:MM:SS.FF",Time::FORMAT_VIDEO);
 150         ADD_TIMESTAMP("(HHh MMm SSs) FFf",Time::FORMAT_NORMAL);
 151         ADD_TIMESTAMP("(HHhMMmSSs)FFf",Time::FORMAT_NORMAL|Time::FORMAT_NOSPACES);
 152         ADD_TIMESTAMP("HHh MMm SSs FFf",Time::FORMAT_NORMAL|Time::FORMAT_FULL);
 153         ADD_TIMESTAMP("HHhMMmSSsFFf",Time::FORMAT_NORMAL|Time::FORMAT_NOSPACES|Time::FORMAT_FULL);
 154
 155         timestamp_optionmenu.set_menu(*timestamp_menu);
 156
 157 #undef ADD_TIMESTAMP
 158
 159         {
 160                 ParamDesc param_desc;
 161                 param_desc
 162                         .set_hint("enum")
 163                         .add_enum_value(Distance::SYSTEM_UNITS,"u",_("Units"))
 164                         .add_enum_value(Distance::SYSTEM_PIXELS,"px",_("Pixels"))
 165                         .add_enum_value(Distance::SYSTEM_POINTS,"pt",_("Points"))
 166                         .add_enum_value(Distance::SYSTEM_INCHES,"in",_("Inches"))
 167                         .add_enum_value(Distance::SYSTEM_METERS,"m",_("Meters"))
 168                         .add_enum_value(Distance::SYSTEM_CENTIMETERS,"cm",_("Centimeters"))
 169                         .add_enum_value(Distance::SYSTEM_MILLIMETERS,"mm",_("Millimeters"));
 170
 171                 widget_enum=manage(new Widget_Enum());
 172                 widget_enum->set_param_desc(param_desc);
 173
 174                 misc_table->attach(*manage(new Gtk::Label(_("Unit System"))), 0, 1, 3, 4, Gtk::SHRINK|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
 175                 misc_table->attach(*widget_enum, 1, 2, 3, 4, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
 176         }
 177
 178         // Misc - recent files
 179         Gtk::SpinButton* recent_files_spinbutton(manage(new Gtk::SpinButton(adj_recent_files,1,0)));
 180         misc_table->attach(*manage(new Gtk::Label(_("Recent Files"))), 0, 1, 1, 2, Gtk::SHRINK|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
 181         misc_table->attach(*recent_files_spinbutton, 1, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
 182
 183         // Misc - use_colorspace_gamma
 184         misc_table->attach(toggle_use_colorspace_gamma, 0, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
 185
 186         // Misc - single_threaded
 187         misc_table->attach(toggle_single_threaded, 0, 2, 4, 5, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
 188
 189         show_all_children();
 190 }
 191
 192 Dialog_Setup::~Dialog_Setup()
 193 {
 194 }
 195
 196 void
 197 Dialog_Setup::on_ok_pressed()
 198 {
 199     on_apply_pressed();
 200         hide();
 201 }
 202
 203 void
 204 Dialog_Setup::on_apply_pressed()
 205 {
 206         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());
 207
 208         App::set_max_recent_files((int)adj_recent_files.get_value());
 209
 210         // Set the time format
 211         App::set_time_format(get_time_format());
 212
 213         // Set the use_colorspace_gamma flag
 214         App::use_colorspace_gamma=toggle_use_colorspace_gamma.get_active();
 215
 216         // Set the single_threaded flag
 217         App::single_threaded=toggle_single_threaded.get_active();
 218
 219         App::distance_system=Distance::System(widget_enum->get_value());
 220
 221         App::save_settings();
 222 }
 223
 224 void
 225 Dialog_Setup::on_gamma_r_change()
 226 {
 227         gamma_pattern.set_gamma_r(1.0/adj_gamma_r.get_value());
 228         gamma_pattern.refresh();
 229         gamma_pattern.queue_draw();
 230 }
 231
 232 void
 233 Dialog_Setup::on_gamma_g_change()
 234 {
 235         gamma_pattern.set_gamma_g(1.0/adj_gamma_g.get_value());
 236         gamma_pattern.refresh();
 237         gamma_pattern.queue_draw();
 238 }
 239
 240 void
 241 Dialog_Setup::on_gamma_b_change()
 242 {
 243         gamma_pattern.set_gamma_b(1.0/adj_gamma_b.get_value());
 244         gamma_pattern.refresh();
 245         gamma_pattern.queue_draw();
 246 }
 247
 248 void
 249 Dialog_Setup::on_black_level_change()
 250 {
 251         gamma_pattern.set_black_level(black_level_selector.get_value());
 252         gamma_pattern.refresh();
 253         gamma_pattern.queue_draw();
 254 }
 255
 256 void
 257 Dialog_Setup::on_red_blue_level_change()
 258 {
 259         gamma_pattern.set_red_blue_level(red_blue_level_selector.get_value());
 260         gamma_pattern.refresh();
 261         gamma_pattern.queue_draw();
 262 }
 263
 264
 265 void
 266 Dialog_Setup::refresh()
 267 {
 268         // Refresh the temporary gamma; do this before adjusting the sliders,
 269         // or variables will be used before their initialization.
 270         gamma_pattern.set_gamma_r(App::gamma.get_gamma_r());
 271         gamma_pattern.set_gamma_g(App::gamma.get_gamma_g());
 272         gamma_pattern.set_gamma_b(App::gamma.get_gamma_b());
 273         gamma_pattern.set_black_level(App::gamma.get_black_level());
 274         gamma_pattern.set_red_blue_level(App::gamma.get_red_blue_level());
 275
 276         adj_gamma_r.set_value(1.0/App::gamma.get_gamma_r());
 277         adj_gamma_g.set_value(1.0/App::gamma.get_gamma_g());
 278         adj_gamma_b.set_value(1.0/App::gamma.get_gamma_b());
 279         black_level_selector.set_value(App::gamma.get_black_level());
 280         red_blue_level_selector.set_value(App::gamma.get_red_blue_level());
 281
 282         gamma_pattern.refresh();
 283
 284         adj_recent_files.set_value(App::get_max_recent_files());
 285
 286         // Refresh the time format
 287         set_time_format(App::get_time_format());
 288
 289         widget_enum->set_value(App::distance_system);
 290
 291         // Refresh the status of the use_colorspace_gamma flag
 292         toggle_use_colorspace_gamma.set_active(App::use_colorspace_gamma);
 293
 294         // Refresh the status of the single_threaded flag
 295         toggle_single_threaded.set_active(App::single_threaded);
 296 }
 297
 298 GammaPattern::GammaPattern():
 299         tile_w(80),
 300         tile_h(80)
 301 {
 302         set_size_request(tile_w*4,tile_h*3);
 303         signal_expose_event().connect(sigc::mem_fun(*this, &studio::GammaPattern::redraw));
 304 }
 305
 306 GammaPattern::~GammaPattern()
 307 {
 308 }
 309
 310 void
 311 GammaPattern::refresh()
 312 {
 313         black[0].set_rgb_p(
 314                 r_F32_to_F32(0.0),
 315                 g_F32_to_F32(0.0),
 316                 b_F32_to_F32(0.0)
 317         );
 318         white[0].set_rgb_p(
 319                 r_F32_to_F32(1.0),
 320                 g_F32_to_F32(1.0),
 321                 b_F32_to_F32(1.0)
 322         );
 323         gray50[0].set_rgb_p(
 324                 r_F32_to_F32(0.5),
 325                 g_F32_to_F32(0.5),
 326                 b_F32_to_F32(0.5)
 327         );
 328         gray25[0].set_rgb_p(
 329                 r_F32_to_F32(0.25),
 330                 g_F32_to_F32(0.25),
 331                 b_F32_to_F32(0.25)
 332         );
 333
 334         // Reds
 335         black[1].set_rgb(black[0].get_red(),0,0);
 336         gray25[1].set_rgb(gray25[0].get_red(),0,0);
 337         gray50[1].set_rgb(gray50[0].get_red(),0,0);
 338         white[1].set_rgb(white[0].get_red(),0,0);
 339
 340         // Greens
 341         black[2].set_rgb(0,black[0].get_green(),0);
 342         gray25[2].set_rgb(0,gray25[0].get_green(),0);
 343         gray50[2].set_rgb(0,gray50[0].get_green(),0);
 344         white[2].set_rgb(0,white[0].get_green(),0);
 345
 346         // blues
 347         black[3].set_rgb(0,0,black[0].get_blue());
 348         gray25[3].set_rgb(0,0,gray25[0].get_blue());
 349         gray50[3].set_rgb(0,0,gray50[0].get_blue());
 350         white[3].set_rgb(0,0,white[0].get_blue());
 351 }
 352
 353 bool
 354 GammaPattern::redraw(GdkEventExpose */*bleh*/)
 355 {
 356         static const char hlines[] = { 3, 0 };
 357
 358         Glib::RefPtr<Gdk::GC> gc(Gdk::GC::create(get_window()));
 359
 360         int i;
 361         Gdk::Color trueblack("#000000");
 362
 363         // 50% Pattern
 364         for(i=0;i<4;i++)
 365         {
 366                 gc->set_rgb_fg_color(black[i]);
 367                 get_window()->draw_rectangle(gc, true, i*tile_w, 0, tile_w, tile_h);
 368
 369                 gc->set_stipple(Gdk::Bitmap::create(hlines,2,2));
 370                 gc->set_fill(Gdk::STIPPLED);
 371                 gc->set_rgb_fg_color(white[i]);
 372                 get_window()->draw_rectangle(gc, true, i*tile_w, 0, tile_w, tile_h);
 373
 374                 gc->set_fill(Gdk::SOLID);
 375                 gc->set_rgb_fg_color(gray50[i]);
 376
 377                 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);
 378         }
 379
 380         // 25% Pattern
 381         for(i=0;i<4;i++)
 382         {
 383                 gc->set_rgb_fg_color(black[i]);
 384                 get_window()->draw_rectangle(gc, true, i*tile_w, tile_h, tile_w, tile_h);
 385
 386                 gc->set_stipple(Gdk::Bitmap::create(hlines,2,2));
 387                 gc->set_fill(Gdk::STIPPLED);
 388                 gc->set_rgb_fg_color(gray50[i]);
 389                 get_window()->draw_rectangle(gc, true, i*tile_w, tile_h, tile_w, tile_h);
 390
 391                 gc->set_fill(Gdk::SOLID);
 392                 gc->set_rgb_fg_color(gray25[i]);
 393
 394                 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);
 395         }
 396
 397         // Black-level Pattern
 398         gc->set_rgb_fg_color(trueblack);
 399         get_window()->draw_rectangle(gc, true, 0, tile_h*2, tile_w*4, tile_h);
 400         gc->set_fill(Gdk::SOLID);
 401         for(i=0;i<4;i++)
 402         {
 403                 gc->set_rgb_fg_color(black[i]);
 404
 405                 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);
 406         }
 407
 408         return true;
 409 }
 410
 411
 412 BlackLevelSelector::BlackLevelSelector()
 413 {
 414         set_size_request(-1,24);
 415         signal_expose_event().connect(sigc::mem_fun(*this, &studio::BlackLevelSelector::redraw));
 416
 417         add_events(Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK);
 418         add_events(Gdk::BUTTON1_MOTION_MASK);
 419         add_events(Gdk::BUTTON1_MOTION_MASK);
 420 }
 421
 422 BlackLevelSelector::~BlackLevelSelector()
 423 {
 424 }
 425
 426 bool
 427 BlackLevelSelector::redraw(GdkEventExpose */*bleh*/)
 428 {
 429         const int w(get_width()),h(get_height());
 430
 431         Gdk::Color color;
 432
 433         Glib::RefPtr<Gdk::GC> gc(Gdk::GC::create(get_window()));
 434
 435         int i;
 436
 437         // Draw the gradient
 438         for(i=0;i<w;i++)
 439         {
 440                 color.set_rgb(i*65536/w,i*65536/w,i*65536/w);
 441
 442                 gc->set_rgb_fg_color(color);
 443                 get_window()->draw_rectangle(gc, true, i, 0, 1, h);
 444         }
 445
 446         // Draw a frame
 447         gc->set_rgb_fg_color(Gdk::Color("#000000"));
 448         get_window()->draw_rectangle(gc, false, 0, 0, w-1, h-1);
 449
 450         // Draw the position of the current value
 451         i=(int)(level*w+0.5);
 452         gc->set_rgb_fg_color(Gdk::Color("#ff0000"));
 453         get_window()->draw_rectangle(gc, true, i, 1, 1, h-1);
 454
 455         // Print out the value
 456         Glib::RefPtr<Pango::Layout> layout(Pango::Layout::create(get_pango_context()));
 457         layout->set_text(etl::strprintf("%0.01f%%",level*100.0f));
 458         layout->set_alignment(Pango::ALIGN_CENTER);
 459         gc->set_rgb_fg_color(Gdk::Color("#a00000"));
 460         get_window()->draw_layout(gc, w/2, 4, layout);
 461
 462         return true;
 463 }
 464
 465
 466
 467 bool
 468 BlackLevelSelector::on_event(GdkEvent *event)
 469 {
 470         int x(round_to_int(event->button.x));
 471         //int y(round_to_int(event->button.y));
 472
 473     switch(event->type)
 474     {
 475         case GDK_MOTION_NOTIFY:
 476                 level=(float)x/(float)get_width();
 477                 if(level<0.0f)level=0.0f;
 478                 if(level>1.0f)level=1.0f;
 479                 signal_value_changed_();
 480                 queue_draw();
 481                 return true;
 482                 break;
 483         case GDK_BUTTON_PRESS:
 484         case GDK_BUTTON_RELEASE:
 485                 if(event->button.button==1)
 486                 {
 487                         level=(float)x/(float)get_width();
 488                         if(level<0.0f)level=0.0f;
 489                         if(level>1.0f)level=1.0f;
 490                         signal_value_changed_();
 491                         queue_draw();
 492                         return true;
 493                 }
 494                 break;
 495         default:
 496                 break;
 497         }
 498
 499         return false;
 500 }
 501
 502
 503 void
 504 Dialog_Setup::set_time_format(synfig::Time::Format x)
 505 {
 506         time_format=x;
 507         if(x<=Time::FORMAT_VIDEO)
 508                 timestamp_optionmenu.set_history(0);
 509         else
 510         {
 511                 if(x==(Time::FORMAT_NOSPACES|Time::FORMAT_FULL))
 512                         timestamp_optionmenu.set_history(4);
 513                 else if(x==(Time::FORMAT_FULL))
 514                         timestamp_optionmenu.set_history(3);
 515                 else if(x==(Time::FORMAT_NOSPACES))
 516                         timestamp_optionmenu.set_history(2);
 517                 else
 518                         timestamp_optionmenu.set_history(1);
 519         }
 520 }
 521
 522
 523
 524
 525
 526
 527
 528
 529
 530
 531
 532
 533
 534
 535
 536
 537 RedBlueLevelSelector::RedBlueLevelSelector()
 538 {
 539         set_size_request(-1,24);
 540         signal_expose_event().connect(sigc::mem_fun(*this, &studio::RedBlueLevelSelector::redraw));
 541
 542         add_events(Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK);
 543         add_events(Gdk::BUTTON1_MOTION_MASK);
 544         add_events(Gdk::BUTTON1_MOTION_MASK);
 545 }
 546
 547 RedBlueLevelSelector::~RedBlueLevelSelector()
 548 {
 549 }
 550
 551 bool
 552 RedBlueLevelSelector::redraw(GdkEventExpose */*bleh*/)
 553 {
 554         const int w(get_width()),h(get_height());
 555
 556         Gdk::Color color;
 557
 558         Glib::RefPtr<Gdk::GC> gc(Gdk::GC::create(get_window()));
 559
 560         int i;
 561
 562         // Draw the gradient
 563         for(i=0;i<w;i++)
 564         {
 565                 float red_blue(((float(i)/float(w)+0.5f)-1.0f)/2.0f+1.0f);
 566                 float blue_red(2.0f-(red_blue));
 567                 if(red_blue>1.0f)red_blue=1.0f;
 568                 if(blue_red>1.0f)blue_red=1.0f;
 569
 570                 color.set_rgb(
 571                         round_to_int(min(red_blue,1.0f)*65535),
 572                         round_to_int(sqrt(min(red_blue,blue_red))*65535),
 573                         round_to_int(min(blue_red,1.0f)*65535)
 574                 );
 575
 576                 gc->set_rgb_fg_color(color);
 577                 get_window()->draw_rectangle(gc, true, i, 0, 1, h);
 578         }
 579
 580         // Draw a frame
 581         gc->set_rgb_fg_color(Gdk::Color("#000000"));
 582         get_window()->draw_rectangle(gc, false, 0, 0, w-1, h-1);
 583
 584         // Draw the position of the current value
 585         i=(int)(((level-1.0f)*2.0f+1.0f-0.5f)*w+0.5);
 586         gc->set_rgb_fg_color(Gdk::Color("#00ff00"));
 587         get_window()->draw_rectangle(gc, true, i, 1, 1, h-1);
 588
 589         // Print out the value
 590         Glib::RefPtr<Pango::Layout> layout(Pango::Layout::create(get_pango_context()));
 591         layout->set_text(etl::strprintf("%0.02f",level));
 592         layout->set_alignment(Pango::ALIGN_CENTER);
 593         gc->set_rgb_fg_color(Gdk::Color("#a00000"));
 594         get_window()->draw_layout(gc, w/2, 4, layout);
 595
 596         return true;
 597 }
 598
 599
 600
 601 bool
 602 RedBlueLevelSelector::on_event(GdkEvent *event)
 603 {
 604         int x(round_to_int(event->button.x));
 605         //int y(round_to_int(event->button.y));
 606
 607     switch(event->type)
 608     {
 609         case GDK_MOTION_NOTIFY:
 610                 level=(((float)(x)/(float)get_width()+0.5)-1.0f)/2.0f+1.0f;
 611                 if(level<0.5f)level=0.5f;
 612                 if(level>1.5f)level=1.5f;
 613                 signal_value_changed_();
 614                 queue_draw();
 615                 return true;
 616                 break;
 617         case GDK_BUTTON_PRESS:
 618         case GDK_BUTTON_RELEASE:
 619                 if(event->button.button==1)
 620                 {
 621                         level=(((float)(x)/(float)get_width()+0.5)-1.0f)/2.0f+1.0f;
 622                         if(level<0.5f)level=0.5f;
 623                         if(level>1.5f)level=1.5f;
 624                         signal_value_changed_();
 625                         queue_draw();
 626                         return true;
 627                 }
 628                 break;
 629         default:
 630                 break;
 631         }
 632
 633         return false;
 634 }