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 <gtkmm2ext/window_title.h>
  28 #include <gtkmm/settings.h>
  29
  30 #include <pbd/file_utils.h>
  31
  32 #include <ardour/configuration.h>
  33 #include <ardour/filesystem_paths.h>
  34
  35 #include "theme_manager.h"
  36 #include "rgb_macros.h"
  37 #include "ardour_ui.h"
  38
  39 #include "i18n.h"
  40
  41 using namespace std;
  42 using namespace Gtk;
  43 using namespace PBD;
  44 using namespace ARDOUR;
  45
  46
  47 sigc::signal<void> ColorsChanged;
  48 sigc::signal<void,uint32_t> ColorChanged;
  49
  50 ThemeManager::ThemeManager()
  51         : ArdourDialog ("ThemeManager"),
  52         dark_button ("Dark Theme"),
  53         light_button ("Light Theme")
  54 {
  55         Gtkmm2ext::WindowTitle title (Glib::get_application_name ());
  56         title += _("Theme Manager");
  57         set_title (title.get_string ());
  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 (scroller);
  85
  86         color_display.signal_button_press_event().connect (mem_fun (*this, &ThemeManager::button_press_event), false);
  87
  88         color_dialog.get_colorsel()->set_has_opacity_control (true);
  89         color_dialog.get_colorsel()->set_has_palette (true);
  90
  91         color_dialog.get_ok_button()->signal_clicked().connect (bind (mem_fun (color_dialog, &Gtk::Dialog::response), RESPONSE_ACCEPT));
  92         color_dialog.get_cancel_button()->signal_clicked().connect (bind (mem_fun (color_dialog, &Gtk::Dialog::response), RESPONSE_CANCEL));
  93         dark_button.signal_toggled().connect (mem_fun (*this, &ThemeManager::on_dark_theme_button_toggled));
  94         light_button.signal_toggled().connect (mem_fun (*this, &ThemeManager::on_light_theme_button_toggled));
  95
  96         set_size_request (-1, 400);
  97         setup_theme ();
  98 }
  99
 100 ThemeManager::~ThemeManager()
 101 {
 102 }
 103
 104 int
 105 ThemeManager::save (string path)
 106 {
 107         return 0;
 108 }
 109
 110 bool
 111 ThemeManager::button_press_event (GdkEventButton* ev)
 112 {
 113         TreeIter iter;
 114         TreeModel::Path path;
 115         TreeViewColumn* column;
 116         int cellx;
 117         int celly;
 118
 119         UIConfigVariable<uint32_t> *ccvar;
 120
 121         if (!color_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
 122                 return false;
 123         }
 124
 125         switch (GPOINTER_TO_UINT (column->get_data (X_("colnum")))) {
 126         case 0:
 127                 /* allow normal processing to occur */
 128                 return false;
 129
 130         case 1: /* color */
 131                 if ((iter = color_list->get_iter (path))) {
 132
 133                         int r,g, b, a;
 134                         uint32_t rgba = (*iter)[columns.rgba];
 135                         Gdk::Color color;
 136
 137                         UINT_TO_RGBA (rgba, &r, &g, &b, &a);
 138                         color.set_rgb_p (r / 255.0, g / 255.0, b / 255.0);
 139                         color_dialog.get_colorsel()->set_previous_color (color);
 140                         color_dialog.get_colorsel()->set_current_color (color);
 141                         color_dialog.get_colorsel()->set_previous_alpha (a * 256);
 142                         color_dialog.get_colorsel()->set_current_alpha (a * 256);
 143
 144                         ResponseType result = (ResponseType) color_dialog.run();
 145
 146                         switch (result) {
 147                         case RESPONSE_CANCEL:
 148                                 break;
 149                         case RESPONSE_ACCEPT:
 150                                 color = color_dialog.get_colorsel()->get_current_color();
 151                                 a = color_dialog.get_colorsel()->get_current_alpha();
 152                                 r = (int) floor (color.get_red_p() * 255.0);
 153                                 g = (int) floor (color.get_green_p() * 255.0);
 154                                 b = (int) floor (color.get_blue_p() * 255.0);
 155
 156                                 rgba = RGBA_TO_UINT(r,g,b,a>>8);
 157                                 //cerr << (*iter)[columns.name] << " == " << hex << rgba << endl;
 158                                 //cerr << "a = " << a << endl;
 159                                 (*iter)[columns.rgba] = rgba;
 160                                 (*iter)[columns.gdkcolor] = color;
 161
 162                                 ccvar = (*iter)[columns.pVar];
 163                                 ccvar->set(rgba);
 164
 165                                 //ColorChanged (rgba);
 166                                 ColorsChanged();//EMIT SIGNAL
 167                                 break;
 168
 169                         default:
 170                                 break;
 171
 172                         }
 173
 174                         color_dialog.hide ();
 175                 }
 176                 return true;
 177
 178         default:
 179                 break;
 180         }
 181
 182         return false;
 183 }
 184
 185 void
 186 load_rc_file (const string& filename, bool themechange)
 187 {
 188         sys::path rc_file_path;
 189
 190         SearchPath spath (ardour_search_path());
 191         spath += user_config_directory();
 192         spath += system_config_search_path();
 193
 194         if(!find_file_in_search_path (spath, filename, rc_file_path))
 195         {
 196                 warning << string_compose(_("Unable to find UI style file %1 in search path %2. Ardour will look strange"),
 197                                 filename, spath.to_string())
 198                         << endmsg;
 199                 return;
 200         }
 201
 202         info << "Loading ui configuration file " << rc_file_path.to_string() << endmsg;
 203
 204         Gtkmm2ext::UI::instance()->load_rcfile (rc_file_path.to_string(), themechange);
 205 }
 206
 207 void
 208 ThemeManager::on_dark_theme_button_toggled()
 209 {
 210         if (!dark_button.get_active()) return;
 211
 212         ARDOUR_UI::config()->ui_rc_file.set("ardour2_ui_dark.rc");
 213         load_rc_file (ARDOUR_UI::config()->ui_rc_file.get(), true);
 214 }
 215
 216 void
 217 ThemeManager::on_light_theme_button_toggled()
 218 {
 219         if (!light_button.get_active()) return;
 220
 221         ARDOUR_UI::config()->ui_rc_file.set("ardour2_ui_light.rc");
 222         load_rc_file (ARDOUR_UI::config()->ui_rc_file.get(), true);
 223 }
 224
 225 void
 226 ThemeManager::setup_theme ()
 227 {
 228         int r, g, b, a;
 229         for (std::vector<UIConfigVariable<uint32_t> *>::iterator i = ARDOUR_UI::config()->canvas_colors.begin(); i != ARDOUR_UI::config()->canvas_colors.end(); i++) {
 230
 231                 TreeModel::Row row = *(color_list->append());
 232
 233                 Gdk::Color col;
 234                 uint32_t rgba = (*i)->get();
 235                 UINT_TO_RGBA (rgba, &r, &g, &b, &a);
 236                 //cerr << (*i)->name() << " == " << hex << rgba << ": " << hex << r << " " << hex << g << " " << hex << b << endl;
 237                 col.set_rgb_p (r / 255.0, g / 255.0, b / 255.0);
 238
 239                 row[columns.name] = (*i)->name();
 240                 row[columns.color] = "";
 241                 row[columns.pVar] = *i;
 242                 row[columns.rgba] = rgba;
 243                 row[columns.gdkcolor] = col;
 244
 245         }
 246
 247         ColorsChanged.emit();
 248
 249         bool env_defined = false;
 250         string rcfile = Glib::getenv("ARDOUR2_UI_RC", env_defined);
 251
 252         if(!env_defined) {
 253                 rcfile = ARDOUR_UI::config()->ui_rc_file.get();
 254         }
 255
 256         if (rcfile == "ardour2_ui_dark.rc") {
 257                 dark_button.set_active();
 258         } else if (rcfile == "ardour2_ui_light.rc") {
 259                 light_button.set_active();
 260         }
 261
 262         load_rc_file(rcfile, false);
 263 }
 264