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/configuration.h"
  36 #include "ardour/filesystem_paths.h"
  37 #include "ardour/profile.h"
  38
  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 {
  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 (scroller);
  94         add (*vbox);
  95
  96         color_display.signal_button_press_event().connect (sigc::mem_fun (*this, &ThemeManager::button_press_event), false);
  97
  98         color_dialog.get_colorsel()->set_has_opacity_control (true);
  99         color_dialog.get_colorsel()->set_has_palette (true);
 100
 101         color_dialog.get_ok_button()->signal_clicked().connect (sigc::bind (sigc::mem_fun (color_dialog, &Gtk::Dialog::response), RESPONSE_ACCEPT));
 102         color_dialog.get_cancel_button()->signal_clicked().connect (sigc::bind (sigc::mem_fun (color_dialog, &Gtk::Dialog::response), RESPONSE_CANCEL));
 103         dark_button.signal_toggled().connect (sigc::mem_fun (*this, &ThemeManager::on_dark_theme_button_toggled));
 104         light_button.signal_toggled().connect (sigc::mem_fun (*this, &ThemeManager::on_light_theme_button_toggled));
 105         reset_button.signal_clicked().connect (sigc::mem_fun (*this, &ThemeManager::reset_canvas_colors));
 106
 107         set_size_request (-1, 400);
 108         setup_theme ();
 109 }
 110
 111 ThemeManager::~ThemeManager()
 112 {
 113 }
 114
 115 int
 116 ThemeManager::save (string /*path*/)
 117 {
 118         return 0;
 119 }
 120
 121 bool
 122 ThemeManager::button_press_event (GdkEventButton* ev)
 123 {
 124         TreeIter iter;
 125         TreeModel::Path path;
 126         TreeViewColumn* column;
 127         int cellx;
 128         int celly;
 129
 130         UIConfigVariable<uint32_t> *ccvar;
 131
 132         if (!color_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
 133                 return false;
 134         }
 135
 136         switch (GPOINTER_TO_UINT (column->get_data (X_("colnum")))) {
 137         case 0:
 138                 /* allow normal processing to occur */
 139                 return false;
 140
 141         case 1: /* color */
 142                 if ((iter = color_list->get_iter (path))) {
 143
 144                         UIConfigVariable<uint32_t>* var = (*iter)[columns.pVar];
 145                         if (!var) {
 146                                 /* parent row, do nothing */
 147                                 return false;
 148                         }
 149
 150                         int r,g, b, a;
 151                         uint32_t rgba = (*iter)[columns.rgba];
 152                         Gdk::Color color;
 153
 154                         UINT_TO_RGBA (rgba, &r, &g, &b, &a);
 155                         color.set_rgb_p (r / 255.0, g / 255.0, b / 255.0);
 156                         color_dialog.get_colorsel()->set_previous_color (color);
 157                         color_dialog.get_colorsel()->set_current_color (color);
 158                         color_dialog.get_colorsel()->set_previous_alpha (a * 256);
 159                         color_dialog.get_colorsel()->set_current_alpha (a * 256);
 160
 161                         ResponseType result = (ResponseType) color_dialog.run();
 162
 163                         switch (result) {
 164                         case RESPONSE_CANCEL:
 165                                 break;
 166                         case RESPONSE_ACCEPT:
 167                                 color = color_dialog.get_colorsel()->get_current_color();
 168                                 a = color_dialog.get_colorsel()->get_current_alpha();
 169                                 r = (int) floor (color.get_red_p() * 255.0);
 170                                 g = (int) floor (color.get_green_p() * 255.0);
 171                                 b = (int) floor (color.get_blue_p() * 255.0);
 172
 173                                 rgba = RGBA_TO_UINT(r,g,b,a>>8);
 174                                 (*iter)[columns.rgba] = rgba;
 175                                 (*iter)[columns.gdkcolor] = color;
 176
 177                                 ccvar = (*iter)[columns.pVar];
 178                                 ccvar->set(rgba);
 179                                 ARDOUR_UI::config()->set_dirty ();
 180
 181                                 ColorsChanged(); //EMIT SIGNAL
 182                                 break;
 183
 184                         default:
 185                                 break;
 186
 187                         }
 188
 189                         color_dialog.hide ();
 190                 }
 191                 return true;
 192
 193         default:
 194                 break;
 195         }
 196
 197         return false;
 198 }
 199
 200 void
 201 load_rc_file (const string& filename, bool themechange)
 202 {
 203         sys::path rc_file_path;
 204
 205         if (!find_file_in_search_path (ardour_config_search_path(), filename, rc_file_path)) {
 206                 warning << string_compose (_("Unable to find UI style file %1 in search path %2. %3 will look strange"),
 207                                            filename, ardour_config_search_path().to_string(), PROGRAM_NAME)
 208                                 << endmsg;
 209                 return;
 210         }
 211
 212         info << "Loading ui configuration file " << rc_file_path.to_string() << endmsg;
 213
 214         Gtkmm2ext::UI::instance()->load_rcfile (rc_file_path.to_string(), themechange);
 215 }
 216
 217 /* hmm, this is a problem. the profile doesn't
 218    exist when the theme manager is constructed
 219    and toggles buttons during "normal" GTK setup.
 220
 221    a better solution will be to make all Profile
 222    methods static or something.
 223
 224    XXX FIX ME
 225 */
 226
 227 #define HACK_PROFILE_IS_SAE() (getenv("ARDOUR_SAE")!=0)
 228
 229 void
 230 ThemeManager::on_dark_theme_button_toggled()
 231 {
 232         if (!dark_button.get_active()) return;
 233
 234         if (HACK_PROFILE_IS_SAE()){
 235                 ARDOUR_UI::config()->ui_rc_file.set("ardour3_ui_dark_sae.rc");
 236         } else {
 237                 ARDOUR_UI::config()->ui_rc_file.set("ardour3_ui_dark.rc");
 238         }
 239         ARDOUR_UI::config()->set_dirty ();
 240
 241         load_rc_file (ARDOUR_UI::config()->ui_rc_file.get(), true);
 242 }
 243
 244 void
 245 ThemeManager::on_light_theme_button_toggled()
 246 {
 247         if (!light_button.get_active()) return;
 248
 249         if (HACK_PROFILE_IS_SAE()){
 250                 ARDOUR_UI::config()->ui_rc_file.set("ardour3_ui_light_sae.rc");
 251         } else {
 252                 ARDOUR_UI::config()->ui_rc_file.set("ardour3_ui_light.rc");
 253         }
 254
 255         load_rc_file (ARDOUR_UI::config()->ui_rc_file.get(), true);
 256 }
 257
 258 void
 259 ThemeManager::setup_theme ()
 260 {
 261         int r, g, b, a;
 262
 263         color_list->clear();
 264
 265         for (std::map<std::string,UIConfigVariable<uint32_t> *>::iterator i = ARDOUR_UI::config()->canvas_colors.begin(); i != ARDOUR_UI::config()->canvas_colors.end(); i++) {
 266
 267
 268                 UIConfigVariable<uint32_t>* var = i->second;
 269
 270                 TreeModel::Children rows = color_list->children();
 271                 TreeModel::Row row;
 272                 string::size_type colon;
 273
 274                 if ((colon = var->name().find (':')) != string::npos) {
 275
 276                         /* this is supposed to be a child node, so find the
 277                          * parent
 278                          */
 279
 280                         string parent = var->name().substr (0, colon);
 281                         TreeModel::iterator ri;
 282
 283                         for (ri = rows.begin(); ri != rows.end(); ++ri) {
 284                                 string s = (*ri)[columns.name];
 285                                 if (s == parent) {
 286                                         break;
 287                                 }
 288                         }
 289
 290                         if (ri == rows.end()) {
 291                                 /* not found, add the parent as new top level row */
 292                                 row = *(color_list->append());
 293                                 row[columns.name] = parent;
 294                                 row[columns.pVar] = 0;
 295
 296                                 /* now add the child as a child of this one */
 297
 298                                 row = *(color_list->insert (row->children().end()));
 299                                 row[columns.name] = var->name().substr (colon+1);
 300                         } else {
 301                                 row = *(color_list->insert ((*ri)->children().end()));
 302                                 row[columns.name] = var->name().substr (colon+1);
 303                         }
 304
 305                 } else {
 306                         /* add as a child */
 307                         row = *(color_list->append());
 308                         row[columns.name] = var->name();
 309                 }
 310
 311                 Gdk::Color col;
 312                 uint32_t rgba = var->get();
 313                 UINT_TO_RGBA (rgba, &r, &g, &b, &a);
 314                 //cerr << (*i)->name() << " == " << hex << rgba << ": " << hex << r << " " << hex << g << " " << hex << b << endl;
 315                 col.set_rgb_p (r / 255.0, g / 255.0, b / 255.0);
 316
 317                 row[columns.pVar] = var;
 318                 row[columns.rgba] = rgba;
 319                 row[columns.gdkcolor] = col;
 320         }
 321
 322         ColorsChanged.emit();
 323
 324         bool env_defined = false;
 325         string rcfile = Glib::getenv("ARDOUR3_UI_RC", env_defined);
 326
 327         if(!env_defined) {
 328                 rcfile = ARDOUR_UI::config()->ui_rc_file.get();
 329         }
 330
 331         if (rcfile == "ardour3_ui_dark.rc" || rcfile == "ardour3_ui_dark_sae.rc") {
 332                 dark_button.set_active();
 333         } else if (rcfile == "ardour3_ui_light.rc" || rcfile == "ardour3_ui_light_sae.rc") {
 334                 light_button.set_active();
 335         }
 336
 337         load_rc_file(rcfile, false);
 338 }
 339
 340 void
 341 ThemeManager::reset_canvas_colors()
 342 {
 343         ARDOUR_UI::config()->load_defaults();
 344         setup_theme ();
 345 }
 346