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