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 "ardour_button.h"
  38 #include "canvas-waveview.h"
  39 #include "theme_manager.h"
  40 #include "rgb_macros.h"
  41 #include "ardour_ui.h"
  42 #include "global_signals.h"
  43
  44 #include "i18n.h"
  45
  46 using namespace std;
  47 using namespace Gtk;
  48 using namespace PBD;
  49 using namespace ARDOUR;
  50
  51 sigc::signal<void> ColorsChanged;
  52 sigc::signal<void,uint32_t> ColorChanged;
  53
  54 ThemeManager::ThemeManager()
  55         : ArdourWindow (_("Theme Manager"))
  56         , dark_button (_("Dark Theme"))
  57         , light_button (_("Light Theme"))
  58         , reset_button (_("Restore Defaults"))
  59         , flat_buttons (_("Draw \"flat\" buttons"))
  60         , gradient_waveforms (_("Draw waveforms with color gradient"))
  61 {
  62         set_title (_("Theme Manager"));
  63
  64         color_list = TreeStore::create (columns);
  65         color_display.set_model (color_list);
  66         color_display.append_column (_("Object"), columns.name);
  67
  68         Gtkmm2ext::CellRendererColorSelector* color_renderer = manage (new Gtkmm2ext::CellRendererColorSelector);
  69         TreeViewColumn* color_column = manage (new TreeViewColumn (_("Color"), *color_renderer));
  70         color_column->add_attribute (color_renderer->property_color(), columns.gdkcolor);
  71
  72         color_display.append_column (*color_column);
  73
  74         color_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
  75         color_display.get_column (0)->set_expand (true);
  76         color_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
  77         color_display.get_column (1)->set_expand (false);
  78         color_display.set_reorderable (false);
  79         color_display.get_selection()->set_mode (SELECTION_NONE);
  80         color_display.set_headers_visible (true);
  81
  82         scroller.add (color_display);
  83         scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
  84
  85         RadioButton::Group group = dark_button.get_group();
  86         light_button.set_group(group);
  87         theme_selection_hbox.set_homogeneous(false);
  88         theme_selection_hbox.pack_start (dark_button);
  89         theme_selection_hbox.pack_start (light_button);
  90
  91         Gtk::VBox* vbox = Gtk::manage (new Gtk::VBox ());
  92         vbox->set_homogeneous (false);
  93         vbox->pack_start (theme_selection_hbox, PACK_SHRINK);
  94         vbox->pack_start (reset_button, PACK_SHRINK);
  95         vbox->pack_start (flat_buttons, PACK_SHRINK);
  96         vbox->pack_start (gradient_waveforms, PACK_SHRINK);
  97         vbox->pack_start (scroller);
  98         add (*vbox);
  99
 100         color_display.signal_button_press_event().connect (sigc::mem_fun (*this, &ThemeManager::button_press_event), false);
 101
 102         color_dialog.get_colorsel()->set_has_opacity_control (true);
 103         color_dialog.get_colorsel()->set_has_palette (true);
 104
 105         color_dialog.get_ok_button()->signal_clicked().connect (sigc::bind (sigc::mem_fun (color_dialog, &Gtk::Dialog::response), RESPONSE_ACCEPT));
 106         color_dialog.get_cancel_button()->signal_clicked().connect (sigc::bind (sigc::mem_fun (color_dialog, &Gtk::Dialog::response), RESPONSE_CANCEL));
 107         dark_button.signal_toggled().connect (sigc::mem_fun (*this, &ThemeManager::on_dark_theme_button_toggled));
 108         light_button.signal_toggled().connect (sigc::mem_fun (*this, &ThemeManager::on_light_theme_button_toggled));
 109         reset_button.signal_clicked().connect (sigc::mem_fun (*this, &ThemeManager::reset_canvas_colors));
 110         flat_buttons.signal_toggled().connect (sigc::mem_fun (*this, &ThemeManager::on_flat_buttons_toggled));
 111         gradient_waveforms.signal_toggled().connect (sigc::mem_fun (*this, &ThemeManager::on_gradient_waveforms_toggled));
 112
 113         set_size_request (-1, 400);
 114         setup_theme ();
 115 }
 116
 117 ThemeManager::~ThemeManager()
 118 {
 119 }
 120
 121 int
 122 ThemeManager::save (string /*path*/)
 123 {
 124         return 0;
 125 }
 126
 127 bool
 128 ThemeManager::button_press_event (GdkEventButton* ev)
 129 {
 130         TreeIter iter;
 131         TreeModel::Path path;
 132         TreeViewColumn* column;
 133         int cellx;
 134         int celly;
 135
 136         UIConfigVariable<uint32_t> *ccvar;
 137
 138         if (!color_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
 139                 return false;
 140         }
 141
 142         switch (GPOINTER_TO_UINT (column->get_data (X_("colnum")))) {
 143         case 0:
 144                 /* allow normal processing to occur */
 145                 return false;
 146
 147         case 1: /* color */
 148                 if ((iter = color_list->get_iter (path))) {
 149
 150                         UIConfigVariable<uint32_t>* var = (*iter)[columns.pVar];
 151                         if (!var) {
 152                                 /* parent row, do nothing */
 153                                 return false;
 154                         }
 155
 156                         int r,g, b, a;
 157                         uint32_t rgba = (*iter)[columns.rgba];
 158                         Gdk::Color color;
 159
 160                         UINT_TO_RGBA (rgba, &r, &g, &b, &a);
 161                         color.set_rgb_p (r / 255.0, g / 255.0, b / 255.0);
 162                         color_dialog.get_colorsel()->set_previous_color (color);
 163                         color_dialog.get_colorsel()->set_current_color (color);
 164                         color_dialog.get_colorsel()->set_previous_alpha (a * 256);
 165                         color_dialog.get_colorsel()->set_current_alpha (a * 256);
 166
 167                         ResponseType result = (ResponseType) color_dialog.run();
 168
 169                         switch (result) {
 170                         case RESPONSE_CANCEL:
 171                                 break;
 172                         case RESPONSE_ACCEPT:
 173                                 color = color_dialog.get_colorsel()->get_current_color();
 174                                 a = color_dialog.get_colorsel()->get_current_alpha();
 175                                 r = (int) floor (color.get_red_p() * 255.0);
 176                                 g = (int) floor (color.get_green_p() * 255.0);
 177                                 b = (int) floor (color.get_blue_p() * 255.0);
 178
 179                                 rgba = RGBA_TO_UINT(r,g,b,a>>8);
 180                                 (*iter)[columns.rgba] = rgba;
 181                                 (*iter)[columns.gdkcolor] = color;
 182
 183                                 ccvar = (*iter)[columns.pVar];
 184                                 ccvar->set(rgba);
 185                                 ARDOUR_UI::config()->set_dirty ();
 186
 187                                 ColorsChanged(); //EMIT SIGNAL
 188                                 break;
 189
 190                         default:
 191                                 break;
 192
 193                         }
 194
 195                         color_dialog.hide ();
 196                 }
 197                 return true;
 198
 199         default:
 200                 break;
 201         }
 202
 203         return false;
 204 }
 205
 206 void
 207 load_rc_file (const string& filename, bool themechange)
 208 {
 209         std::string rc_file_path;
 210
 211         if (!find_file_in_search_path (ardour_config_search_path(), filename, rc_file_path)) {
 212                 warning << string_compose (_("Unable to find UI style file %1 in search path %2. %3 will look strange"),
 213                                            filename, ardour_config_search_path().to_string(), PROGRAM_NAME)
 214                                 << endmsg;
 215                 return;
 216         }
 217
 218         info << "Loading ui configuration file " << rc_file_path << endmsg;
 219
 220         Gtkmm2ext::UI::instance()->load_rcfile (rc_file_path, themechange);
 221 }
 222
 223 /* hmm, this is a problem. the profile doesn't
 224    exist when the theme manager is constructed
 225    and toggles buttons during "normal" GTK setup.
 226
 227    a better solution will be to make all Profile
 228    methods static or something.
 229
 230    XXX FIX ME
 231 */
 232
 233 #define HACK_PROFILE_IS_SAE() (getenv("ARDOUR_SAE")!=0)
 234
 235 void
 236 ThemeManager::on_flat_buttons_toggled ()
 237 {
 238         ARDOUR_UI::config()->flat_buttons.set (flat_buttons.get_active());
 239         ARDOUR_UI::config()->set_dirty ();
 240         ArdourButton::set_flat_buttons (flat_buttons.get_active());
 241         /* force a redraw */
 242         gtk_rc_reset_styles (gtk_settings_get_default());
 243 }
 244
 245 void
 246 ThemeManager::on_gradient_waveforms_toggled ()
 247 {
 248         ARDOUR_UI::config()->gradient_waveforms.set (gradient_waveforms.get_active());
 249         ARDOUR_UI::config()->set_dirty ();
 250
 251         gnome_canvas_waveview_set_gradient_waveforms (gradient_waveforms.get_active());
 252
 253         /* force a redraw */
 254         gtk_rc_reset_styles (gtk_settings_get_default());
 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 }
 377