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 <gtkmm/stock.h>
  26 #include <gtkmm2ext/gtk_ui.h>
  27 #include <gtkmm/settings.h>
  28
  29 #include "pbd/file_utils.h"
  30
  31 #include "ardour/configuration.h"
  32 #include "ardour/filesystem_paths.h"
  33 #include "ardour/profile.h"
  34
  35 #include "theme_manager.h"
  36 #include "rgb_macros.h"
  37 #include "ardour_ui.h"
  38 #include "global_signals.h"
  39
  40 #include "i18n.h"
  41
  42 using namespace std;
  43 using namespace Gtk;
  44 using namespace PBD;
  45 using namespace ARDOUR;
  46
  47
  48 sigc::signal<void> ColorsChanged;
  49 sigc::signal<void,uint32_t> ColorChanged;
  50
  51 ThemeManager::ThemeManager()
  52         : ArdourWindow (_("Theme Manager")),
  53           dark_button (_("Dark Theme")),
  54           light_button (_("Light Theme")),
  55           reset_button (_("Restore Defaults"))
  56 {
  57         set_title (_("Theme Manager"));
  58
  59         color_list = TreeStore::create (columns);
  60         color_display.set_model (color_list);
  61         color_display.append_column (_("Object"), columns.name);
  62         color_display.append_column (_("Color"), columns.color);
  63         color_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
  64         color_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
  65         color_display.set_reorderable (false);
  66         color_display.get_selection()->set_mode (SELECTION_NONE);
  67         color_display.set_headers_visible (true);
  68
  69         CellRenderer* color_cell = color_display.get_column_cell_renderer (1);
  70         TreeViewColumn* color_column = color_display.get_column (1);
  71         color_column->add_attribute (color_cell->property_cell_background_gdk(), columns.gdkcolor);
  72
  73         scroller.add (color_display);
  74         scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
  75
  76         RadioButton::Group group = dark_button.get_group();
  77         light_button.set_group(group);
  78         theme_selection_hbox.set_homogeneous(false);
  79         theme_selection_hbox.pack_start (dark_button);
  80         theme_selection_hbox.pack_start (light_button);
  81
  82         Gtk::VBox* vbox = Gtk::manage (new Gtk::VBox ());
  83         vbox->set_homogeneous (false);
  84         vbox->pack_start (theme_selection_hbox, PACK_SHRINK);
  85         vbox->pack_start (reset_button, PACK_SHRINK);
  86         vbox->pack_start (scroller);
  87         add (*vbox);
  88
  89         color_display.signal_button_press_event().connect (sigc::mem_fun (*this, &ThemeManager::button_press_event), false);
  90
  91         color_dialog.get_colorsel()->set_has_opacity_control (true);
  92         color_dialog.get_colorsel()->set_has_palette (true);
  93
  94         color_dialog.get_ok_button()->signal_clicked().connect (sigc::bind (sigc::mem_fun (color_dialog, &Gtk::Dialog::response), RESPONSE_ACCEPT));
  95         color_dialog.get_cancel_button()->signal_clicked().connect (sigc::bind (sigc::mem_fun (color_dialog, &Gtk::Dialog::response), RESPONSE_CANCEL));
  96         dark_button.signal_toggled().connect (sigc::mem_fun (*this, &ThemeManager::on_dark_theme_button_toggled));
  97         light_button.signal_toggled().connect (sigc::mem_fun (*this, &ThemeManager::on_light_theme_button_toggled));
  98         reset_button.signal_clicked().connect (sigc::mem_fun (*this, &ThemeManager::reset_canvas_colors));
  99
 100         set_size_request (-1, 400);
 101         setup_theme ();
 102 }
 103
 104 ThemeManager::~ThemeManager()
 105 {
 106 }
 107
 108 int
 109 ThemeManager::save (string /*path*/)
 110 {
 111         return 0;
 112 }
 113
 114 bool
 115 ThemeManager::button_press_event (GdkEventButton* ev)
 116 {
 117         TreeIter iter;
 118         TreeModel::Path path;
 119         TreeViewColumn* column;
 120         int cellx;
 121         int celly;
 122
 123         UIConfigVariable<uint32_t> *ccvar;
 124
 125         if (!color_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
 126                 return false;
 127         }
 128
 129         switch (GPOINTER_TO_UINT (column->get_data (X_("colnum")))) {
 130         case 0:
 131                 /* allow normal processing to occur */
 132                 return false;
 133
 134         case 1: /* color */
 135                 if ((iter = color_list->get_iter (path))) {
 136
 137                         UIConfigVariable<uint32_t>* var = (*iter)[columns.pVar];
 138                         if (!var) {
 139                                 /* parent row, do nothing */
 140                                 return false;
 141                         }
 142
 143                         int r,g, b, a;
 144                         uint32_t rgba = (*iter)[columns.rgba];
 145                         Gdk::Color color;
 146
 147                         UINT_TO_RGBA (rgba, &r, &g, &b, &a);
 148                         color.set_rgb_p (r / 255.0, g / 255.0, b / 255.0);
 149                         color_dialog.get_colorsel()->set_previous_color (color);
 150                         color_dialog.get_colorsel()->set_current_color (color);
 151                         color_dialog.get_colorsel()->set_previous_alpha (a * 256);
 152                         color_dialog.get_colorsel()->set_current_alpha (a * 256);
 153
 154                         ResponseType result = (ResponseType) color_dialog.run();
 155
 156                         switch (result) {
 157                         case RESPONSE_CANCEL:
 158                                 break;
 159                         case RESPONSE_ACCEPT:
 160                                 color = color_dialog.get_colorsel()->get_current_color();
 161                                 a = color_dialog.get_colorsel()->get_current_alpha();
 162                                 r = (int) floor (color.get_red_p() * 255.0);
 163                                 g = (int) floor (color.get_green_p() * 255.0);
 164                                 b = (int) floor (color.get_blue_p() * 255.0);
 165
 166                                 rgba = RGBA_TO_UINT(r,g,b,a>>8);
 167                                 (*iter)[columns.rgba] = rgba;
 168                                 (*iter)[columns.gdkcolor] = color;
 169
 170                                 ccvar = (*iter)[columns.pVar];
 171                                 ccvar->set(rgba);
 172                                 ARDOUR_UI::config()->set_dirty ();
 173
 174                                 ColorsChanged(); //EMIT SIGNAL
 175                                 break;
 176
 177                         default:
 178                                 break;
 179
 180                         }
 181
 182                         color_dialog.hide ();
 183                 }
 184                 return true;
 185
 186         default:
 187                 break;
 188         }
 189
 190         return false;
 191 }
 192
 193 void
 194 load_rc_file (const string& filename, bool themechange)
 195 {
 196         sys::path rc_file_path;
 197
 198         SearchPath spath (ardour_search_path());
 199         spath += user_config_directory();
 200         spath += system_config_search_path();
 201
 202         if (!find_file_in_search_path (spath, filename, rc_file_path)) {
 203                 warning << string_compose (_("Unable to find UI style file %1 in search path %2. %3 will look strange"),
 204                                            filename, spath.to_string(), PROGRAM_NAME)
 205                                 << endmsg;
 206                 return;
 207         }
 208
 209         info << "Loading ui configuration file " << rc_file_path.to_string() << endmsg;
 210
 211         Gtkmm2ext::UI::instance()->load_rcfile (rc_file_path.to_string(), themechange);
 212 }
 213
 214 /* hmm, this is a problem. the profile doesn't
 215    exist when the theme manager is constructed
 216    and toggles buttons during "normal" GTK setup.
 217
 218    a better solution will be to make all Profile
 219    methods static or something.
 220
 221    XXX FIX ME
 222 */
 223
 224 #define HACK_PROFILE_IS_SAE() (getenv("ARDOUR_SAE")!=0)
 225
 226 void
 227 ThemeManager::on_dark_theme_button_toggled()
 228 {
 229         if (!dark_button.get_active()) return;
 230
 231         if (HACK_PROFILE_IS_SAE()){
 232                 ARDOUR_UI::config()->ui_rc_file.set("ardour3_ui_dark_sae.rc");
 233         } else {
 234                 ARDOUR_UI::config()->ui_rc_file.set("ardour3_ui_dark.rc");
 235         }
 236         ARDOUR_UI::config()->set_dirty ();
 237
 238         load_rc_file (ARDOUR_UI::config()->ui_rc_file.get(), true);
 239 }
 240
 241 void
 242 ThemeManager::on_light_theme_button_toggled()
 243 {
 244         if (!light_button.get_active()) return;
 245
 246         if (HACK_PROFILE_IS_SAE()){
 247                 ARDOUR_UI::config()->ui_rc_file.set("ardour3_ui_light_sae.rc");
 248         } else {
 249                 ARDOUR_UI::config()->ui_rc_file.set("ardour3_ui_light.rc");
 250         }
 251
 252         load_rc_file (ARDOUR_UI::config()->ui_rc_file.get(), true);
 253 }
 254
 255 void
 256 ThemeManager::setup_theme ()
 257 {
 258         int r, g, b, a;
 259
 260         color_list->clear();
 261
 262         for (std::map<std::string,UIConfigVariable<uint32_t> *>::iterator i = ARDOUR_UI::config()->canvas_colors.begin(); i != ARDOUR_UI::config()->canvas_colors.end(); i++) {
 263
 264
 265                 UIConfigVariable<uint32_t>* var = i->second;
 266
 267                 TreeModel::Children rows = color_list->children();
 268                 TreeModel::Row row;
 269                 string::size_type colon;
 270
 271                 if ((colon = var->name().find (':')) != string::npos) {
 272
 273                         /* this is supposed to be a child node, so find the
 274                          * parent
 275                          */
 276
 277                         string parent = var->name().substr (0, colon);
 278                         TreeModel::iterator ri;
 279
 280                         for (ri = rows.begin(); ri != rows.end(); ++ri) {
 281                                 string s = (*ri)[columns.name];
 282                                 if (s == parent) {
 283                                         break;
 284                                 }
 285                         }
 286
 287                         if (ri == rows.end()) {
 288                                 /* not found, add the parent as new top level row */
 289                                 row = *(color_list->append());
 290                                 row[columns.name] = parent;
 291                                 row[columns.pVar] = 0;
 292
 293                                 /* now add the child as a child of this one */
 294
 295                                 row = *(color_list->insert (row->children().end()));
 296                                 row[columns.name] = var->name().substr (colon+1);
 297                         } else {
 298                                 row = *(color_list->insert ((*ri)->children().end()));
 299                                 row[columns.name] = var->name().substr (colon+1);
 300                         }
 301
 302                 } else {
 303                         /* add as a child */
 304                         row = *(color_list->append());
 305                         row[columns.name] = var->name();
 306                 }
 307
 308                 Gdk::Color col;
 309                 uint32_t rgba = var->get();
 310                 UINT_TO_RGBA (rgba, &r, &g, &b, &a);
 311                 //cerr << (*i)->name() << " == " << hex << rgba << ": " << hex << r << " " << hex << g << " " << hex << b << endl;
 312                 col.set_rgb_p (r / 255.0, g / 255.0, b / 255.0);
 313
 314                 row[columns.color] = "";
 315                 row[columns.pVar] = var;
 316                 row[columns.rgba] = rgba;
 317                 row[columns.gdkcolor] = col;
 318         }
 319
 320         ColorsChanged.emit();
 321
 322         bool env_defined = false;
 323         string rcfile = Glib::getenv("ARDOUR3_UI_RC", env_defined);
 324
 325         if(!env_defined) {
 326                 rcfile = ARDOUR_UI::config()->ui_rc_file.get();
 327         }
 328
 329         if (rcfile == "ardour3_ui_dark.rc" || rcfile == "ardour3_ui_dark_sae.rc") {
 330                 dark_button.set_active();
 331         } else if (rcfile == "ardour3_ui_light.rc" || "ardour3_ui_light_sae.rc") {
 332                 light_button.set_active();
 333         }
 334
 335         load_rc_file(rcfile, false);
 336 }
 337
 338 void
 339 ThemeManager::reset_canvas_colors()
 340 {
 341         ARDOUR_UI::config()->load_defaults();
 342         setup_theme ();
 343 }
 344