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
  34 #include "theme_manager.h"
  35 #include "rgb_macros.h"
  36 #include "ardour_ui.h"
  37
  38 #include "i18n.h"
  39
  40 using namespace std;
  41 using namespace Gtk;
  42 using namespace PBD;
  43 using namespace ARDOUR;
  44
  45
  46 sigc::signal<void> ColorsChanged;
  47 sigc::signal<void,uint32_t> ColorChanged;
  48
  49 ThemeManager::ThemeManager()
  50         : ArdourDialog ("ThemeManager"),
  51         dark_button ("Dark Theme"),
  52         light_button ("Light Theme")
  53 {
  54         color_list = ListStore::create (columns);
  55         color_display.set_model (color_list);
  56         color_display.append_column (_("Object"), columns.name);
  57         color_display.append_column (_("Color"), columns.color);
  58         color_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
  59         color_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
  60         color_display.set_reorderable (false);
  61         color_display.get_selection()->set_mode (SELECTION_NONE);
  62         color_display.set_headers_visible (true);
  63
  64         CellRenderer* color_cell = color_display.get_column_cell_renderer (1);
  65         TreeViewColumn* color_column = color_display.get_column (1);
  66         color_column->add_attribute (color_cell->property_cell_background_gdk(), columns.gdkcolor);
  67
  68         scroller.add (color_display);
  69         scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
  70
  71         RadioButton::Group group = dark_button.get_group();
  72         light_button.set_group(group);
  73         theme_selection_hbox.set_homogeneous(false);
  74         theme_selection_hbox.pack_start (dark_button);
  75         theme_selection_hbox.pack_start (light_button);
  76
  77         get_vbox()->set_homogeneous(false);
  78         get_vbox()->pack_start (theme_selection_hbox, PACK_SHRINK);
  79         get_vbox()->pack_start (scroller);
  80
  81         color_display.signal_button_press_event().connect (mem_fun (*this, &ThemeManager::button_press_event), false);
  82
  83         color_dialog.get_colorsel()->set_has_opacity_control (true);
  84         color_dialog.get_colorsel()->set_has_palette (true);
  85
  86         color_dialog.get_ok_button()->signal_clicked().connect (bind (mem_fun (color_dialog, &Gtk::Dialog::response), RESPONSE_ACCEPT));
  87         color_dialog.get_cancel_button()->signal_clicked().connect (bind (mem_fun (color_dialog, &Gtk::Dialog::response), RESPONSE_CANCEL));
  88         dark_button.signal_toggled().connect (mem_fun (*this, &ThemeManager::on_dark_theme_button_toggled));
  89         light_button.signal_toggled().connect (mem_fun (*this, &ThemeManager::on_light_theme_button_toggled));
  90
  91         set_size_request (-1, 400);
  92         setup_theme ();
  93 }
  94
  95 ThemeManager::~ThemeManager()
  96 {
  97 }
  98
  99 int
 100 ThemeManager::save (string path)
 101 {
 102         return 0;
 103 }
 104
 105 bool
 106 ThemeManager::button_press_event (GdkEventButton* ev)
 107 {
 108         TreeIter iter;
 109         TreeModel::Path path;
 110         TreeViewColumn* column;
 111         int cellx;
 112         int celly;
 113
 114         UIConfigVariable<uint32_t> *ccvar;
 115
 116         if (!color_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
 117                 return false;
 118         }
 119
 120         switch (GPOINTER_TO_UINT (column->get_data (X_("colnum")))) {
 121         case 0:
 122                 /* allow normal processing to occur */
 123                 return false;
 124
 125         case 1: /* color */
 126                 if ((iter = color_list->get_iter (path))) {
 127
 128                         int r,g, b, a;
 129                         uint32_t rgba = (*iter)[columns.rgba];
 130                         Gdk::Color color;
 131
 132                         UINT_TO_RGBA (rgba, &r, &g, &b, &a);
 133                         color.set_rgb_p (r / 255.0, g / 255.0, b / 255.0);
 134                         color_dialog.get_colorsel()->set_previous_color (color);
 135                         color_dialog.get_colorsel()->set_current_color (color);
 136                         color_dialog.get_colorsel()->set_previous_alpha (a * 256);
 137                         color_dialog.get_colorsel()->set_current_alpha (a * 256);
 138
 139                         ResponseType result = (ResponseType) color_dialog.run();
 140
 141                         switch (result) {
 142                         case RESPONSE_CANCEL:
 143                                 break;
 144                         case RESPONSE_ACCEPT:
 145                                 color = color_dialog.get_colorsel()->get_current_color();
 146                                 a = color_dialog.get_colorsel()->get_current_alpha();
 147                                 r = (int) floor (color.get_red_p() * 255.0);
 148                                 g = (int) floor (color.get_green_p() * 255.0);
 149                                 b = (int) floor (color.get_blue_p() * 255.0);
 150
 151                                 rgba = RGBA_TO_UINT(r,g,b,a>>8);
 152                                 //cerr << (*iter)[columns.name] << " == " << hex << rgba << endl;
 153                                 //cerr << "a = " << a << endl;
 154                                 (*iter)[columns.rgba] = rgba;
 155                                 (*iter)[columns.gdkcolor] = color;
 156
 157                                 ccvar = (*iter)[columns.pVar];
 158                                 ccvar->set(rgba);
 159
 160                                 //ColorChanged (rgba);
 161                                 ColorsChanged();//EMIT SIGNAL
 162                                 break;
 163
 164                         default:
 165                                 break;
 166
 167                         }
 168
 169                         color_dialog.hide ();
 170                 }
 171                 return true;
 172
 173         default:
 174                 break;
 175         }
 176
 177         return false;
 178 }
 179
 180 void
 181 load_rc_file (const string& filename)
 182 {
 183         sys::path rc_file_path;
 184
 185         SearchPath spath (ardour_search_path());
 186         spath += user_config_directory();
 187         spath += system_config_search_path();
 188
 189         if(!find_file_in_search_path (spath, filename, rc_file_path))
 190         {
 191                 warning << string_compose(_("Unable to find UI style file %1 in search path %2. Ardour will look strange"),
 192                                 filename, spath.get_string())
 193                         << endmsg;
 194                 return;
 195         }
 196
 197         info << "Loading ui configuration file " << rc_file_path.to_string() << endmsg;
 198
 199         Gtkmm2ext::UI::instance()->load_rcfile (rc_file_path.to_string());
 200 }
 201
 202 void
 203 ThemeManager::on_dark_theme_button_toggled()
 204 {
 205         if (!dark_button.get_active()) return;
 206
 207         ARDOUR_UI::config()->ui_rc_file.set("ardour2_ui_light.rc");
 208         load_rc_file (ARDOUR_UI::config()->ui_rc_file.get());
 209 }
 210
 211 void
 212 ThemeManager::on_light_theme_button_toggled()
 213 {
 214         if (!light_button.get_active()) return;
 215
 216         ARDOUR_UI::config()->ui_rc_file.set("ardour2_ui_light.rc");
 217         load_rc_file (ARDOUR_UI::config()->ui_rc_file.get());
 218 }
 219
 220 void
 221 ThemeManager::setup_theme ()
 222 {
 223         int r, g, b, a;
 224         for (std::vector<UIConfigVariable<uint32_t> *>::iterator i = ARDOUR_UI::config()->canvas_colors.begin(); i != ARDOUR_UI::config()->canvas_colors.end(); i++) {
 225
 226                 TreeModel::Row row = *(color_list->append());
 227
 228                 Gdk::Color col;
 229                 uint32_t rgba = (*i)->get();
 230                 UINT_TO_RGBA (rgba, &r, &g, &b, &a);
 231                 //cerr << (*i)->name() << " == " << hex << rgba << ": " << hex << r << " " << hex << g << " " << hex << b << endl;
 232                 col.set_rgb_p (r / 255.0, g / 255.0, b / 255.0);
 233
 234                 row[columns.name] = (*i)->name();
 235                 row[columns.color] = "";
 236                 row[columns.pVar] = *i;
 237                 row[columns.rgba] = rgba;
 238                 row[columns.gdkcolor] = col;
 239
 240         }
 241
 242         ColorsChanged.emit();
 243
 244         bool env_defined = false;
 245         string rcfile = Glib::getenv("ARDOUR2_UI_RC", env_defined);
 246
 247         if(!env_defined) {
 248                 rcfile = ARDOUR_UI::config()->ui_rc_file.get();
 249         }
 250
 251         if (rcfile == "ardour2_ui_dark.rc") {
 252                 dark_button.set_active();
 253         } else if (rcfile == "ardour2_ui_light.rc") {
 254                 light_button.set_active();
 255         }
 256
 257         load_rc_file(rcfile);
 258 }
 259