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 "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 {
  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 (scroller);
  97         add (*vbox);
  98
  99         color_display.signal_button_press_event().connect (sigc::mem_fun (*this, &ThemeManager::button_press_event), false);
 100
 101         color_dialog.get_colorsel()->set_has_opacity_control (true);
 102         color_dialog.get_colorsel()->set_has_palette (true);
 103
 104         color_dialog.get_ok_button()->signal_clicked().connect (sigc::bind (sigc::mem_fun (color_dialog, &Gtk::Dialog::response), RESPONSE_ACCEPT));
 105         color_dialog.get_cancel_button()->signal_clicked().connect (sigc::bind (sigc::mem_fun (color_dialog, &Gtk::Dialog::response), RESPONSE_CANCEL));
 106         dark_button.signal_toggled().connect (sigc::mem_fun (*this, &ThemeManager::on_dark_theme_button_toggled));
 107         light_button.signal_toggled().connect (sigc::mem_fun (*this, &ThemeManager::on_light_theme_button_toggled));
 108         reset_button.signal_clicked().connect (sigc::mem_fun (*this, &ThemeManager::reset_canvas_colors));
 109         flat_buttons.signal_toggled().connect (sigc::mem_fun (*this, &ThemeManager::on_flat_buttons_toggled));
 110
 111         set_size_request (-1, 400);
 112         setup_theme ();
 113 }
 114
 115 ThemeManager::~ThemeManager()
 116 {
 117 }
 118
 119 int
 120 ThemeManager::save (string /*path*/)
 121 {
 122         return 0;
 123 }
 124
 125 bool
 126 ThemeManager::button_press_event (GdkEventButton* ev)
 127 {
 128         TreeIter iter;
 129         TreeModel::Path path;
 130         TreeViewColumn* column;
 131         int cellx;
 132         int celly;
 133
 134         UIConfigVariable<uint32_t> *ccvar;
 135
 136         if (!color_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
 137                 return false;
 138         }
 139
 140         switch (GPOINTER_TO_UINT (column->get_data (X_("colnum")))) {
 141         case 0:
 142                 /* allow normal processing to occur */
 143                 return false;
 144
 145         case 1: /* color */
 146                 if ((iter = color_list->get_iter (path))) {
 147
 148                         UIConfigVariable<uint32_t>* var = (*iter)[columns.pVar];
 149                         if (!var) {
 150                                 /* parent row, do nothing */
 151                                 return false;
 152                         }
 153
 154                         int r,g, b, a;
 155                         uint32_t rgba = (*iter)[columns.rgba];
 156                         Gdk::Color color;
 157
 158                         UINT_TO_RGBA (rgba, &r, &g, &b, &a);
 159                         color.set_rgb_p (r / 255.0, g / 255.0, b / 255.0);
 160                         color_dialog.get_colorsel()->set_previous_color (color);
 161                         color_dialog.get_colorsel()->set_current_color (color);
 162                         color_dialog.get_colorsel()->set_previous_alpha (a * 256);
 163                         color_dialog.get_colorsel()->set_current_alpha (a * 256);
 164
 165                         ResponseType result = (ResponseType) color_dialog.run();
 166
 167                         switch (result) {
 168                         case RESPONSE_CANCEL:
 169                                 break;
 170                         case RESPONSE_ACCEPT:
 171                                 color = color_dialog.get_colorsel()->get_current_color();
 172                                 a = color_dialog.get_colorsel()->get_current_alpha();
 173                                 r = (int) floor (color.get_red_p() * 255.0);
 174                                 g = (int) floor (color.get_green_p() * 255.0);
 175                                 b = (int) floor (color.get_blue_p() * 255.0);
 176
 177                                 rgba = RGBA_TO_UINT(r,g,b,a>>8);
 178                                 (*iter)[columns.rgba] = rgba;
 179                                 (*iter)[columns.gdkcolor] = color;
 180
 181                                 ccvar = (*iter)[columns.pVar];
 182                                 ccvar->set(rgba);
 183                                 ARDOUR_UI::config()->set_dirty ();
 184
 185                                 ColorsChanged(); //EMIT SIGNAL
 186                                 break;
 187
 188                         default:
 189                                 break;
 190
 191                         }
 192
 193                         color_dialog.hide ();
 194                 }
 195                 return true;
 196
 197         default:
 198                 break;
 199         }
 200
 201         return false;
 202 }
 203
 204 void
 205 load_rc_file (const string& filename, bool themechange)
 206 {
 207         sys::path rc_file_path;
 208
 209         if (!find_file_in_search_path (ardour_config_search_path(), filename, rc_file_path)) {
 210                 warning << string_compose (_("Unable to find UI style file %1 in search path %2. %3 will look strange"),
 211                                            filename, ardour_config_search_path().to_string(), PROGRAM_NAME)
 212                                 << endmsg;
 213                 return;
 214         }
 215
 216         info << "Loading ui configuration file " << rc_file_path.to_string() << endmsg;
 217
 218         Gtkmm2ext::UI::instance()->load_rcfile (rc_file_path.to_string(), themechange);
 219 }
 220
 221 /* hmm, this is a problem. the profile doesn't
 222    exist when the theme manager is constructed
 223    and toggles buttons during "normal" GTK setup.
 224
 225    a better solution will be to make all Profile
 226    methods static or something.
 227
 228    XXX FIX ME
 229 */
 230
 231 #define HACK_PROFILE_IS_SAE() (getenv("ARDOUR_SAE")!=0)
 232
 233 void
 234 ThemeManager::on_flat_buttons_toggled ()
 235 {
 236         ARDOUR_UI::config()->flat_buttons.set (flat_buttons.get_active());
 237         ARDOUR_UI::config()->set_dirty ();
 238         ArdourButton::set_flat_buttons (flat_buttons.get_active());
 239         /* force a redraw */
 240         gtk_rc_reset_styles (gtk_settings_get_default());
 241 }
 242
 243 void
 244 ThemeManager::on_dark_theme_button_toggled()
 245 {
 246         if (!dark_button.get_active()) return;
 247
 248         if (HACK_PROFILE_IS_SAE()){
 249                 ARDOUR_UI::config()->ui_rc_file.set("ardour3_ui_dark_sae.rc");
 250         } else {
 251                 ARDOUR_UI::config()->ui_rc_file.set("ardour3_ui_dark.rc");
 252         }
 253         ARDOUR_UI::config()->set_dirty ();
 254
 255         load_rc_file (ARDOUR_UI::config()->ui_rc_file.get(), true);
 256 }
 257
 258 void
 259 ThemeManager::on_light_theme_button_toggled()
 260 {
 261         if (!light_button.get_active()) return;
 262
 263         if (HACK_PROFILE_IS_SAE()){
 264                 ARDOUR_UI::config()->ui_rc_file.set("ardour3_ui_light_sae.rc");
 265         } else {
 266                 ARDOUR_UI::config()->ui_rc_file.set("ardour3_ui_light.rc");
 267         }
 268
 269         load_rc_file (ARDOUR_UI::config()->ui_rc_file.get(), true);
 270 }
 271
 272 void
 273 ThemeManager::setup_theme ()
 274 {
 275         int r, g, b, a;
 276
 277         color_list->clear();
 278
 279         for (std::map<std::string,UIConfigVariable<uint32_t> *>::iterator i = ARDOUR_UI::config()->canvas_colors.begin(); i != ARDOUR_UI::config()->canvas_colors.end(); i++) {
 280
 281
 282                 UIConfigVariable<uint32_t>* var = i->second;
 283
 284                 TreeModel::Children rows = color_list->children();
 285                 TreeModel::Row row;
 286                 string::size_type colon;
 287
 288                 if ((colon = var->name().find (':')) != string::npos) {
 289
 290                         /* this is supposed to be a child node, so find the
 291                          * parent
 292                          */
 293
 294                         string parent = var->name().substr (0, colon);
 295                         TreeModel::iterator ri;
 296
 297                         for (ri = rows.begin(); ri != rows.end(); ++ri) {
 298                                 string s = (*ri)[columns.name];
 299                                 if (s == parent) {
 300                                         break;
 301                                 }
 302                         }
 303
 304                         if (ri == rows.end()) {
 305                                 /* not found, add the parent as new top level row */
 306                                 row = *(color_list->append());
 307                                 row[columns.name] = parent;
 308                                 row[columns.pVar] = 0;
 309
 310                                 /* now add the child as a child of this one */
 311
 312                                 row = *(color_list->insert (row->children().end()));
 313                                 row[columns.name] = var->name().substr (colon+1);
 314                         } else {
 315                                 row = *(color_list->insert ((*ri)->children().end()));
 316                                 row[columns.name] = var->name().substr (colon+1);
 317                         }
 318
 319                 } else {
 320                         /* add as a child */
 321                         row = *(color_list->append());
 322                         row[columns.name] = var->name();
 323                 }
 324
 325                 Gdk::Color col;
 326                 uint32_t rgba = var->get();
 327                 UINT_TO_RGBA (rgba, &r, &g, &b, &a);
 328                 //cerr << (*i)->name() << " == " << hex << rgba << ": " << hex << r << " " << hex << g << " " << hex << b << endl;
 329                 col.set_rgb_p (r / 255.0, g / 255.0, b / 255.0);
 330
 331                 row[columns.pVar] = var;
 332                 row[columns.rgba] = rgba;
 333                 row[columns.gdkcolor] = col;
 334         }
 335
 336         ColorsChanged.emit();
 337
 338         bool env_defined = false;
 339         string rcfile = Glib::getenv("ARDOUR3_UI_RC", env_defined);
 340
 341         if(!env_defined) {
 342                 rcfile = ARDOUR_UI::config()->ui_rc_file.get();
 343         }
 344
 345         if (rcfile == "ardour3_ui_dark.rc" || rcfile == "ardour3_ui_dark_sae.rc") {
 346                 dark_button.set_active();
 347         } else if (rcfile == "ardour3_ui_light.rc" || rcfile == "ardour3_ui_light_sae.rc") {
 348                 light_button.set_active();
 349         }
 350
 351         flat_buttons.set_active (ARDOUR_UI::config()->flat_buttons.get());
 352
 353         load_rc_file(rcfile, false);
 354 }
 355
 356 void
 357 ThemeManager::reset_canvas_colors()
 358 {
 359         ARDOUR_UI::config()->load_defaults();
 360         setup_theme ();
 361 }
 362