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         : ArdourDialog (_("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 = ListStore::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         get_vbox()->set_homogeneous(false);
  83         get_vbox()->pack_start (theme_selection_hbox, PACK_SHRINK);
  84         get_vbox()->pack_start (reset_button, PACK_SHRINK);
  85         get_vbox()->pack_start (scroller);
  86
  87         color_display.signal_button_press_event().connect (sigc::mem_fun (*this, &ThemeManager::button_press_event), false);
  88
  89         color_dialog.get_colorsel()->set_has_opacity_control (true);
  90         color_dialog.get_colorsel()->set_has_palette (true);
  91
  92         color_dialog.get_ok_button()->signal_clicked().connect (sigc::bind (sigc::mem_fun (color_dialog, &Gtk::Dialog::response), RESPONSE_ACCEPT));
  93         color_dialog.get_cancel_button()->signal_clicked().connect (sigc::bind (sigc::mem_fun (color_dialog, &Gtk::Dialog::response), RESPONSE_CANCEL));
  94         dark_button.signal_toggled().connect (sigc::mem_fun (*this, &ThemeManager::on_dark_theme_button_toggled));
  95         light_button.signal_toggled().connect (sigc::mem_fun (*this, &ThemeManager::on_light_theme_button_toggled));
  96         reset_button.signal_clicked().connect (sigc::mem_fun (*this, &ThemeManager::reset_canvas_colors));
  97
  98         set_size_request (-1, 400);
  99         setup_theme ();
 100 }
 101
 102 ThemeManager::~ThemeManager()
 103 {
 104 }
 105
 106 int
 107 ThemeManager::save (string /*path*/)
 108 {
 109         return 0;
 110 }
 111
 112 bool
 113 ThemeManager::button_press_event (GdkEventButton* ev)
 114 {
 115         TreeIter iter;
 116         TreeModel::Path path;
 117         TreeViewColumn* column;
 118         int cellx;
 119         int celly;
 120
 121         UIConfigVariable<uint32_t> *ccvar;
 122
 123         if (!color_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
 124                 return false;
 125         }
 126
 127         switch (GPOINTER_TO_UINT (column->get_data (X_("colnum")))) {
 128         case 0:
 129                 /* allow normal processing to occur */
 130                 return false;
 131
 132         case 1: /* color */
 133                 if ((iter = color_list->get_iter (path))) {
 134
 135                         int r,g, b, a;
 136                         uint32_t rgba = (*iter)[columns.rgba];
 137                         Gdk::Color color;
 138
 139                         UINT_TO_RGBA (rgba, &r, &g, &b, &a);
 140                         color.set_rgb_p (r / 255.0, g / 255.0, b / 255.0);
 141                         color_dialog.get_colorsel()->set_previous_color (color);
 142                         color_dialog.get_colorsel()->set_current_color (color);
 143                         color_dialog.get_colorsel()->set_previous_alpha (a * 256);
 144                         color_dialog.get_colorsel()->set_current_alpha (a * 256);
 145
 146                         ResponseType result = (ResponseType) color_dialog.run();
 147
 148                         switch (result) {
 149                         case RESPONSE_CANCEL:
 150                                 break;
 151                         case RESPONSE_ACCEPT:
 152                                 color = color_dialog.get_colorsel()->get_current_color();
 153                                 a = color_dialog.get_colorsel()->get_current_alpha();
 154                                 r = (int) floor (color.get_red_p() * 255.0);
 155                                 g = (int) floor (color.get_green_p() * 255.0);
 156                                 b = (int) floor (color.get_blue_p() * 255.0);
 157
 158                                 rgba = RGBA_TO_UINT(r,g,b,a>>8);
 159                                 //cerr << (*iter)[columns.name] << " == " << hex << rgba << endl;
 160                                 //cerr << "a = " << a << endl;
 161                                 (*iter)[columns.rgba] = rgba;
 162                                 (*iter)[columns.gdkcolor] = color;
 163
 164                                 ccvar = (*iter)[columns.pVar];
 165                                 ccvar->set(rgba);
 166
 167                                 //ColorChanged (rgba);
 168                                 ColorsChanged();//EMIT SIGNAL
 169                                 break;
 170
 171                         default:
 172                                 break;
 173
 174                         }
 175
 176                         color_dialog.hide ();
 177                 }
 178                 return true;
 179
 180         default:
 181                 break;
 182         }
 183
 184         return false;
 185 }
 186
 187 void
 188 load_rc_file (const string& filename, bool themechange)
 189 {
 190         sys::path rc_file_path;
 191
 192         SearchPath spath (ardour_search_path());
 193         spath += user_config_directory();
 194         spath += system_config_search_path();
 195
 196         if (!find_file_in_search_path (spath, filename, rc_file_path)) {
 197                 warning << string_compose (_("Unable to find UI style file %1 in search path %2. %3 will look strange"),
 198                                            filename, spath.to_string(), PROGRAM_NAME)
 199                                 << endmsg;
 200                 return;
 201         }
 202
 203         info << "Loading ui configuration file " << rc_file_path.to_string() << endmsg;
 204
 205         Gtkmm2ext::UI::instance()->load_rcfile (rc_file_path.to_string(), themechange);
 206 }
 207
 208 /* hmm, this is a problem. the profile doesn't
 209    exist when the theme manager is constructed
 210    and toggles buttons during "normal" GTK setup.
 211
 212    a better solution will be to make all Profile
 213    methods static or something.
 214
 215    XXX FIX ME
 216 */
 217
 218 #define HACK_PROFILE_IS_SAE() (getenv("ARDOUR_SAE")!=0)
 219
 220 void
 221 ThemeManager::on_dark_theme_button_toggled()
 222 {
 223         if (!dark_button.get_active()) return;
 224
 225         if (HACK_PROFILE_IS_SAE()){
 226                 ARDOUR_UI::config()->ui_rc_file.set("ardour3_ui_dark_sae.rc");
 227         } else {
 228                 ARDOUR_UI::config()->ui_rc_file.set("ardour3_ui_dark.rc");
 229         }
 230
 231         load_rc_file (ARDOUR_UI::config()->ui_rc_file.get(), true);
 232 }
 233
 234 void
 235 ThemeManager::on_light_theme_button_toggled()
 236 {
 237         if (!light_button.get_active()) return;
 238
 239         if (HACK_PROFILE_IS_SAE()){
 240                 ARDOUR_UI::config()->ui_rc_file.set("ardour3_ui_light_sae.rc");
 241         } else {
 242                 ARDOUR_UI::config()->ui_rc_file.set("ardour3_ui_light.rc");
 243         }
 244
 245         load_rc_file (ARDOUR_UI::config()->ui_rc_file.get(), true);
 246 }
 247
 248 void
 249 ThemeManager::setup_theme ()
 250 {
 251         int r, g, b, a;
 252         color_list->clear();
 253
 254         for (std::vector<UIConfigVariable<uint32_t> *>::iterator i = ARDOUR_UI::config()->canvas_colors.begin(); i != ARDOUR_UI::config()->canvas_colors.end(); i++) {
 255
 256                 TreeModel::Row row = *(color_list->append());
 257
 258                 Gdk::Color col;
 259                 uint32_t rgba = (*i)->get();
 260                 UINT_TO_RGBA (rgba, &r, &g, &b, &a);
 261                 //cerr << (*i)->name() << " == " << hex << rgba << ": " << hex << r << " " << hex << g << " " << hex << b << endl;
 262                 col.set_rgb_p (r / 255.0, g / 255.0, b / 255.0);
 263
 264                 row[columns.name] = (*i)->name();
 265                 row[columns.color] = "";
 266                 row[columns.pVar] = *i;
 267                 row[columns.rgba] = rgba;
 268                 row[columns.gdkcolor] = col;
 269
 270         }
 271
 272         ColorsChanged.emit();
 273
 274         bool env_defined = false;
 275         string rcfile = Glib::getenv("ARDOUR3_UI_RC", env_defined);
 276
 277         if(!env_defined) {
 278                 rcfile = ARDOUR_UI::config()->ui_rc_file.get();
 279         }
 280
 281         if (rcfile == "ardour3_ui_dark.rc" || rcfile == "ardour3_ui_dark_sae.rc") {
 282                 dark_button.set_active();
 283         } else if (rcfile == "ardour3_ui_light.rc" || "ardour3_ui_light_sae.rc") {
 284                 light_button.set_active();
 285         }
 286
 287         load_rc_file(rcfile, false);
 288 }
 289
 290 void
 291 ThemeManager::reset_canvas_colors()
 292 {
 293         ARDOUR_UI::config()->load_defaults();
 294         setup_theme ();
 295 }
 296