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