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         reset_button ("Restore Defaults")
  55 {
  56         Gtkmm2ext::WindowTitle title (Glib::get_application_name ());
  57         title += _("Theme Manager");
  58         set_title (title.get_string ());
  59
  60         color_list = ListStore::create (columns);
  61         color_display.set_model (color_list);
  62         color_display.append_column (_("Object"), columns.name);
  63         color_display.append_column (_("Color"), columns.color);
  64         color_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
  65         color_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
  66         color_display.set_reorderable (false);
  67         color_display.get_selection()->set_mode (SELECTION_NONE);
  68         color_display.set_headers_visible (true);
  69
  70         CellRenderer* color_cell = color_display.get_column_cell_renderer (1);
  71         TreeViewColumn* color_column = color_display.get_column (1);
  72         color_column->add_attribute (color_cell->property_cell_background_gdk(), columns.gdkcolor);
  73
  74         scroller.add (color_display);
  75         scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
  76
  77         RadioButton::Group group = dark_button.get_group();
  78         light_button.set_group(group);
  79         theme_selection_hbox.set_homogeneous(false);
  80         theme_selection_hbox.pack_start (dark_button);
  81         theme_selection_hbox.pack_start (light_button);
  82
  83         get_vbox()->set_homogeneous(false);
  84         get_vbox()->pack_start (theme_selection_hbox, PACK_SHRINK);
  85         get_vbox()->pack_start (reset_button, PACK_SHRINK);
  86         get_vbox()->pack_start (scroller);
  87
  88         color_display.signal_button_press_event().connect (mem_fun (*this, &ThemeManager::button_press_event), false);
  89
  90         color_dialog.get_colorsel()->set_has_opacity_control (true);
  91         color_dialog.get_colorsel()->set_has_palette (true);
  92
  93         color_dialog.get_ok_button()->signal_clicked().connect (bind (mem_fun (color_dialog, &Gtk::Dialog::response), RESPONSE_ACCEPT));
  94         color_dialog.get_cancel_button()->signal_clicked().connect (bind (mem_fun (color_dialog, &Gtk::Dialog::response), RESPONSE_CANCEL));
  95         dark_button.signal_toggled().connect (mem_fun (*this, &ThemeManager::on_dark_theme_button_toggled));
  96         light_button.signal_toggled().connect (mem_fun (*this, &ThemeManager::on_light_theme_button_toggled));
  97         reset_button.signal_clicked().connect (mem_fun (*this, &ThemeManager::reset_canvas_colors));
  98
  99         set_size_request (-1, 400);
 100         setup_theme ();
 101 }
 102
 103 ThemeManager::~ThemeManager()
 104 {
 105 }
 106
 107 int
 108 ThemeManager::save (string path)
 109 {
 110         return 0;
 111 }
 112
 113 bool
 114 ThemeManager::button_press_event (GdkEventButton* ev)
 115 {
 116         TreeIter iter;
 117         TreeModel::Path path;
 118         TreeViewColumn* column;
 119         int cellx;
 120         int celly;
 121
 122         UIConfigVariable<uint32_t> *ccvar;
 123
 124         if (!color_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
 125                 return false;
 126         }
 127
 128         switch (GPOINTER_TO_UINT (column->get_data (X_("colnum")))) {
 129         case 0:
 130                 /* allow normal processing to occur */
 131                 return false;
 132
 133         case 1: /* color */
 134                 if ((iter = color_list->get_iter (path))) {
 135
 136                         int r,g, b, a;
 137                         uint32_t rgba = (*iter)[columns.rgba];
 138                         Gdk::Color color;
 139
 140                         UINT_TO_RGBA (rgba, &r, &g, &b, &a);
 141                         color.set_rgb_p (r / 255.0, g / 255.0, b / 255.0);
 142                         color_dialog.get_colorsel()->set_previous_color (color);
 143                         color_dialog.get_colorsel()->set_current_color (color);
 144                         color_dialog.get_colorsel()->set_previous_alpha (a * 256);
 145                         color_dialog.get_colorsel()->set_current_alpha (a * 256);
 146
 147                         ResponseType result = (ResponseType) color_dialog.run();
 148
 149                         switch (result) {
 150                         case RESPONSE_CANCEL:
 151                                 break;
 152                         case RESPONSE_ACCEPT:
 153                                 color = color_dialog.get_colorsel()->get_current_color();
 154                                 a = color_dialog.get_colorsel()->get_current_alpha();
 155                                 r = (int) floor (color.get_red_p() * 255.0);
 156                                 g = (int) floor (color.get_green_p() * 255.0);
 157                                 b = (int) floor (color.get_blue_p() * 255.0);
 158
 159                                 rgba = RGBA_TO_UINT(r,g,b,a>>8);
 160                                 //cerr << (*iter)[columns.name] << " == " << hex << rgba << endl;
 161                                 //cerr << "a = " << a << endl;
 162                                 (*iter)[columns.rgba] = rgba;
 163                                 (*iter)[columns.gdkcolor] = color;
 164
 165                                 ccvar = (*iter)[columns.pVar];
 166                                 ccvar->set(rgba);
 167
 168                                 //ColorChanged (rgba);
 169                                 ColorsChanged();//EMIT SIGNAL
 170                                 break;
 171
 172                         default:
 173                                 break;
 174
 175                         }
 176
 177                         color_dialog.hide ();
 178                 }
 179                 return true;
 180
 181         default:
 182                 break;
 183         }
 184
 185         return false;
 186 }
 187
 188 void
 189 load_rc_file (const string& filename, bool themechange)
 190 {
 191         sys::path rc_file_path;
 192
 193         SearchPath spath (ardour_search_path());
 194         spath += user_config_directory();
 195         spath += system_config_search_path();
 196
 197         if(!find_file_in_search_path (spath, filename, rc_file_path))
 198         {
 199                 warning << string_compose(_("Unable to find UI style file %1 in search path %2. Ardour will look strange"),
 200                                 filename, spath.to_string())
 201                         << endmsg;
 202                 return;
 203         }
 204
 205         cerr << "Loading ui configuration file " << rc_file_path.to_string() << endmsg;
 206
 207         Gtkmm2ext::UI::instance()->load_rcfile (rc_file_path.to_string(), themechange);
 208 }
 209
 210 void
 211 ThemeManager::on_dark_theme_button_toggled()
 212 {
 213         if (!dark_button.get_active()) return;
 214
 215         ARDOUR_UI::config()->ui_rc_file.set("ardour3_ui_dark.rc");
 216         load_rc_file (ARDOUR_UI::config()->ui_rc_file.get(), true);
 217 }
 218
 219 void
 220 ThemeManager::on_light_theme_button_toggled()
 221 {
 222         if (!light_button.get_active()) return;
 223
 224         ARDOUR_UI::config()->ui_rc_file.set("ardour3_ui_light.rc");
 225         load_rc_file (ARDOUR_UI::config()->ui_rc_file.get(), true);
 226 }
 227
 228 void
 229 ThemeManager::setup_theme ()
 230 {
 231         int r, g, b, a;
 232         color_list->clear();
 233
 234         for (std::vector<UIConfigVariable<uint32_t> *>::iterator i = ARDOUR_UI::config()->canvas_colors.begin(); i != ARDOUR_UI::config()->canvas_colors.end(); i++) {
 235
 236                 TreeModel::Row row = *(color_list->append());
 237
 238                 Gdk::Color col;
 239                 uint32_t rgba = (*i)->get();
 240                 UINT_TO_RGBA (rgba, &r, &g, &b, &a);
 241                 //cerr << (*i)->name() << " == " << hex << rgba << ": " << hex << r << " " << hex << g << " " << hex << b << endl;
 242                 col.set_rgb_p (r / 255.0, g / 255.0, b / 255.0);
 243
 244                 row[columns.name] = (*i)->name();
 245                 row[columns.color] = "";
 246                 row[columns.pVar] = *i;
 247                 row[columns.rgba] = rgba;
 248                 row[columns.gdkcolor] = col;
 249
 250         }
 251
 252         ColorsChanged.emit();
 253
 254         bool env_defined = false;
 255         string rcfile = Glib::getenv("ARDOUR2_UI_RC", env_defined);
 256
 257         if(!env_defined) {
 258                 rcfile = ARDOUR_UI::config()->ui_rc_file.get();
 259         }
 260
 261         if (rcfile == "ardour3_ui_dark.rc") {
 262                 dark_button.set_active();
 263         } else if (rcfile == "ardour3_ui_light.rc") {
 264                 light_button.set_active();
 265         }
 266
 267         load_rc_file(rcfile, false);
 268 }
 269
 270 void
 271 ThemeManager::reset_canvas_colors()
 272 {
 273         ARDOUR_UI::config()->load_defaults();
 274         setup_theme ();
 275 }
 276