gtk2_ardour/theme_manager.cc

   1 /*
   2     Copyright (C) 2000-2007 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #include <cmath>
  21 #include <iostream>
  22 #include <fstream>
  23 #include <errno.h>
  24
  25 #include "fix_carbon.h"
  26
  27 #include <gtkmm/stock.h>
  28 #include <gtkmm/settings.h>
  29
  30 #include "gtkmm2ext/gtk_ui.h"
  31 #include "gtkmm2ext/cell_renderer_color_selector.h"
  32
  33 #include "pbd/file_utils.h"
  34
  35 #include "ardour/filesystem_paths.h"
  36
  37 #include "canvas/wave_view.h"
  38
  39 #include "ardour_button.h"
  40 #include "theme_manager.h"
  41 #include "rgb_macros.h"
  42 #include "ardour_ui.h"
  43 #include "global_signals.h"
  44
  45 #include "i18n.h"
  46
  47 using namespace std;
  48 using namespace Gtk;
  49 using namespace PBD;
  50 using namespace ARDOUR;
  51
  52 sigc::signal<void> ColorsChanged;
  53 sigc::signal<void,uint32_t> ColorChanged;
  54
  55 ThemeManager::ThemeManager()
  56         : ArdourWindow (_("Theme Manager"))
  57         , dark_button (_("Dark Theme"))
  58         , light_button (_("Light Theme"))
  59         , reset_button (_("Restore Defaults"))
  60         , flat_buttons (_("Draw \"flat\" buttons"))
  61         , gradient_waveforms (_("Draw waveforms with color gradient"))
  62 {
  63         set_title (_("Theme Manager"));
  64
  65         color_list = TreeStore::create (columns);
  66         color_display.set_model (color_list);
  67         color_display.append_column (_("Object"), columns.name);
  68
  69         Gtkmm2ext::CellRendererColorSelector* color_renderer = manage (new Gtkmm2ext::CellRendererColorSelector);
  70         TreeViewColumn* color_column = manage (new TreeViewColumn (_("Color"), *color_renderer));
  71         color_column->add_attribute (color_renderer->property_color(), columns.gdkcolor);
  72
  73         color_display.append_column (*color_column);
  74
  75         color_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
  76         color_display.get_column (0)->set_expand (true);
  77         color_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
  78         color_display.get_column (1)->set_expand (false);
  79         color_display.set_reorderable (false);
  80         color_display.get_selection()->set_mode (SELECTION_NONE);
  81         color_display.set_headers_visible (true);
  82
  83         scroller.add (color_display);
  84         scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
  85
  86         RadioButton::Group group = dark_button.get_group();
  87         light_button.set_group(group);
  88         theme_selection_hbox.set_homogeneous(false);
  89         theme_selection_hbox.pack_start (dark_button);
  90         theme_selection_hbox.pack_start (light_button);
  91
  92         Gtk::VBox* vbox = Gtk::manage (new Gtk::VBox ());
  93         vbox->set_homogeneous (false);
  94         vbox->pack_start (theme_selection_hbox, PACK_SHRINK);
  95         vbox->pack_start (reset_button, PACK_SHRINK);
  96         vbox->pack_start (flat_buttons, PACK_SHRINK);
  97         vbox->pack_start (gradient_waveforms, PACK_SHRINK);
  98         vbox->pack_start (scroller);
  99         add (*vbox);
 100
 101         color_display.signal_button_press_event().connect (sigc::mem_fun (*this, &ThemeManager::button_press_event), false);
 102
 103         color_dialog.get_colorsel()->set_has_opacity_control (true);
 104         color_dialog.get_colorsel()->set_has_palette (true);
 105
 106         color_dialog.get_ok_button()->signal_clicked().connect (sigc::bind (sigc::mem_fun (color_dialog, &Gtk::Dialog::response), RESPONSE_ACCEPT));
 107         color_dialog.get_cancel_button()->signal_clicked().connect (sigc::bind (sigc::mem_fun (color_dialog, &Gtk::Dialog::response), RESPONSE_CANCEL));
 108         dark_button.signal_toggled().connect (sigc::mem_fun (*this, &ThemeManager::on_dark_theme_button_toggled));
 109         light_button.signal_toggled().connect (sigc::mem_fun (*this, &ThemeManager::on_light_theme_button_toggled));
 110         reset_button.signal_clicked().connect (sigc::mem_fun (*this, &ThemeManager::reset_canvas_colors));
 111         flat_buttons.signal_toggled().connect (sigc::mem_fun (*this, &ThemeManager::on_flat_buttons_toggled));
 112         gradient_waveforms.signal_toggled().connect (sigc::mem_fun (*this, &ThemeManager::on_gradient_waveforms_toggled));
 113
 114         set_size_request (-1, 400);
 115         setup_theme ();
 116 }
 117
 118 ThemeManager::~ThemeManager()
 119 {
 120 }
 121
 122 int
 123 ThemeManager::save (string /*path*/)
 124 {
 125         return 0;
 126 }
 127
 128 bool
 129 ThemeManager::button_press_event (GdkEventButton* ev)
 130 {
 131         TreeIter iter;
 132         TreeModel::Path path;
 133         TreeViewColumn* column;
 134         int cellx;
 135         int celly;
 136
 137         UIConfigVariable<uint32_t> *ccvar;
 138
 139         if (!color_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
 140                 return false;
 141         }
 142
 143         switch (GPOINTER_TO_UINT (column->get_data (X_("colnum")))) {
 144         case 0:
 145                 /* allow normal processing to occur */
 146                 return false;
 147
 148         case 1: /* color */
 149                 if ((iter = color_list->get_iter (path))) {
 150
 151                         UIConfigVariable<uint32_t>* var = (*iter)[columns.pVar];
 152                         if (!var) {
 153                                 /* parent row, do nothing */
 154                                 return false;
 155                         }
 156
 157                         int r,g, b, a;
 158                         uint32_t rgba = (*iter)[columns.rgba];
 159                         Gdk::Color color;
 160
 161                         UINT_TO_RGBA (rgba, &r, &g, &b, &a);
 162                         color.set_rgb_p (r / 255.0, g / 255.0, b / 255.0);
 163                         color_dialog.get_colorsel()->set_previous_color (color);
 164                         color_dialog.get_colorsel()->set_current_color (color);
 165                         color_dialog.get_colorsel()->set_previous_alpha (a * 256);
 166                         color_dialog.get_colorsel()->set_current_alpha (a * 256);
 167
 168                         ResponseType result = (ResponseType) color_dialog.run();
 169
 170                         switch (result) {
 171                         case RESPONSE_CANCEL:
 172                                 break;
 173                         case RESPONSE_ACCEPT:
 174                                 color = color_dialog.get_colorsel()->get_current_color();
 175                                 a = color_dialog.get_colorsel()->get_current_alpha();
 176                                 r = (int) floor (color.get_red_p() * 255.0);
 177                                 g = (int) floor (color.get_green_p() * 255.0);
 178                                 b = (int) floor (color.get_blue_p() * 255.0);
 179
 180                                 rgba = RGBA_TO_UINT(r,g,b,a>>8);
 181                                 (*iter)[columns.rgba] = rgba;
 182                                 (*iter)[columns.gdkcolor] = color;
 183
 184                                 ccvar = (*iter)[columns.pVar];
 185                                 ccvar->set(rgba);
 186                                 /* mark dirty ... */
 187                                 ARDOUR_UI::config()->set_dirty ();
 188                                 /* but save it immediately */
 189                                 ARDOUR_UI::config()->save_state ();
 190
 191                                 ColorsChanged(); //EMIT SIGNAL
 192                                 break;
 193
 194                         default:
 195                                 break;
 196
 197                         }
 198
 199                         color_dialog.hide ();
 200                 }
 201                 return true;
 202
 203         default:
 204                 break;
 205         }
 206
 207         return false;
 208 }
 209
 210 void
 211 load_rc_file (const string& filename, bool themechange)
 212 {
 213         std::string rc_file_path;
 214
 215         if (!find_file_in_search_path (ardour_config_search_path(), filename, rc_file_path)) {
 216                 warning << string_compose (_("Unable to find UI style file %1 in search path %2. %3 will look strange"),
 217                                            filename, ardour_config_search_path().to_string(), PROGRAM_NAME)
 218                                 << endmsg;
 219                 return;
 220         }
 221
 222         info << "Loading ui configuration file " << rc_file_path << endmsg;
 223
 224         Gtkmm2ext::UI::instance()->load_rcfile (rc_file_path, themechange);
 225 }
 226
 227 /* hmm, this is a problem. the profile doesn't
 228    exist when the theme manager is constructed
 229    and toggles buttons during "normal" GTK setup.
 230
 231    a better solution will be to make all Profile
 232    methods static or something.
 233
 234    XXX FIX ME
 235 */
 236
 237 #define HACK_PROFILE_IS_SAE() (getenv("ARDOUR_SAE")!=0)
 238
 239 void
 240 ThemeManager::on_flat_buttons_toggled ()
 241 {
 242         ARDOUR_UI::config()->flat_buttons.set (flat_buttons.get_active());
 243         ARDOUR_UI::config()->set_dirty ();
 244         ArdourButton::set_flat_buttons (flat_buttons.get_active());
 245         /* force a redraw */
 246         gtk_rc_reset_styles (gtk_settings_get_default());
 247 }
 248
 249 void
 250 ThemeManager::on_gradient_waveforms_toggled ()
 251 {
 252         ARDOUR_UI::config()->gradient_waveforms.set (gradient_waveforms.get_active());
 253         ARDOUR_UI::config()->set_dirty ();
 254         ArdourCanvas::WaveView::set_gradient_waveforms (gradient_waveforms.get_active());
 255 }
 256
 257 void
 258 ThemeManager::on_dark_theme_button_toggled()
 259 {
 260         if (!dark_button.get_active()) return;
 261
 262         if (HACK_PROFILE_IS_SAE()){
 263                 ARDOUR_UI::config()->ui_rc_file.set("ardour3_ui_dark_sae.rc");
 264         } else {
 265                 ARDOUR_UI::config()->ui_rc_file.set("ardour3_ui_dark.rc");
 266         }
 267         ARDOUR_UI::config()->set_dirty ();
 268
 269         load_rc_file (ARDOUR_UI::config()->ui_rc_file.get(), true);
 270 }
 271
 272 void
 273 ThemeManager::on_light_theme_button_toggled()
 274 {
 275         if (!light_button.get_active()) return;
 276
 277         if (HACK_PROFILE_IS_SAE()){
 278                 ARDOUR_UI::config()->ui_rc_file.set("ardour3_ui_light_sae.rc");
 279         } else {
 280                 ARDOUR_UI::config()->ui_rc_file.set("ardour3_ui_light.rc");
 281         }
 282
 283         load_rc_file (ARDOUR_UI::config()->ui_rc_file.get(), true);
 284 }
 285
 286 void
 287 ThemeManager::setup_theme ()
 288 {
 289         int r, g, b, a;
 290
 291         color_list->clear();
 292
 293         for (std::map<std::string,UIConfigVariable<uint32_t> *>::iterator i = ARDOUR_UI::config()->canvas_colors.begin(); i != ARDOUR_UI::config()->canvas_colors.end(); i++) {
 294
 295
 296                 UIConfigVariable<uint32_t>* var = i->second;
 297
 298                 TreeModel::Children rows = color_list->children();
 299                 TreeModel::Row row;
 300                 string::size_type colon;
 301
 302                 if ((colon = var->name().find (':')) != string::npos) {
 303
 304                         /* this is supposed to be a child node, so find the
 305                          * parent
 306                          */
 307
 308                         string parent = var->name().substr (0, colon);
 309                         TreeModel::iterator ri;
 310
 311                         for (ri = rows.begin(); ri != rows.end(); ++ri) {
 312                                 string s = (*ri)[columns.name];
 313                                 if (s == parent) {
 314                                         break;
 315                                 }
 316                         }
 317
 318                         if (ri == rows.end()) {
 319                                 /* not found, add the parent as new top level row */
 320                                 row = *(color_list->append());
 321                                 row[columns.name] = parent;
 322                                 row[columns.pVar] = 0;
 323
 324                                 /* now add the child as a child of this one */
 325
 326                                 row = *(color_list->insert (row->children().end()));
 327                                 row[columns.name] = var->name().substr (colon+1);
 328                         } else {
 329                                 row = *(color_list->insert ((*ri)->children().end()));
 330                                 row[columns.name] = var->name().substr (colon+1);
 331                         }
 332
 333                 } else {
 334                         /* add as a child */
 335                         row = *(color_list->append());
 336                         row[columns.name] = var->name();
 337                 }
 338
 339                 Gdk::Color col;
 340                 uint32_t rgba = var->get();
 341                 UINT_TO_RGBA (rgba, &r, &g, &b, &a);
 342                 //cerr << (*i)->name() << " == " << hex << rgba << ": " << hex << r << " " << hex << g << " " << hex << b << endl;
 343                 col.set_rgb_p (r / 255.0, g / 255.0, b / 255.0);
 344
 345                 row[columns.pVar] = var;
 346                 row[columns.rgba] = rgba;
 347                 row[columns.gdkcolor] = col;
 348         }
 349
 350         ColorsChanged.emit();
 351
 352         bool env_defined = false;
 353         string rcfile = Glib::getenv("ARDOUR3_UI_RC", env_defined);
 354
 355         if(!env_defined) {
 356                 rcfile = ARDOUR_UI::config()->ui_rc_file.get();
 357         }
 358
 359         if (rcfile == "ardour3_ui_dark.rc" || rcfile == "ardour3_ui_dark_sae.rc") {
 360                 dark_button.set_active();
 361         } else if (rcfile == "ardour3_ui_light.rc" || rcfile == "ardour3_ui_light_sae.rc") {
 362                 light_button.set_active();
 363         }
 364
 365         flat_buttons.set_active (ARDOUR_UI::config()->flat_buttons.get());
 366         gradient_waveforms.set_active (ARDOUR_UI::config()->gradient_waveforms.get());
 367
 368         load_rc_file(rcfile, false);
 369 }
 370
 371 void
 372 ThemeManager::reset_canvas_colors()
 373 {
 374         ARDOUR_UI::config()->load_defaults();
 375         setup_theme ();
 376         /* mark dirty ... */
 377         ARDOUR_UI::config()->set_dirty ();
 378         /* but save it immediately */
 379         ARDOUR_UI::config()->save_state ();
 380 }
 381