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
  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 (_("Theme Manager")),
  52           dark_button (_("Dark Theme")),
  53           light_button (_("Light Theme")),
  54           reset_button (_("Restore Defaults"))
  55 {
  56         set_title (_("Theme Manager"));
  57
  58         color_list = ListStore::create (columns);
  59         color_display.set_model (color_list);
  60         color_display.append_column (_("Object"), columns.name);
  61         color_display.append_column (_("Color"), columns.color);
  62         color_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
  63         color_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
  64         color_display.set_reorderable (false);
  65         color_display.get_selection()->set_mode (SELECTION_NONE);
  66         color_display.set_headers_visible (true);
  67
  68         CellRenderer* color_cell = color_display.get_column_cell_renderer (1);
  69         TreeViewColumn* color_column = color_display.get_column (1);
  70         color_column->add_attribute (color_cell->property_cell_background_gdk(), columns.gdkcolor);
  71
  72         scroller.add (color_display);
  73         scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
  74
  75         RadioButton::Group group = dark_button.get_group();
  76         light_button.set_group(group);
  77         theme_selection_hbox.set_homogeneous(false);
  78         theme_selection_hbox.pack_start (dark_button);
  79         theme_selection_hbox.pack_start (light_button);
  80
  81         get_vbox()->set_homogeneous(false);
  82         get_vbox()->pack_start (theme_selection_hbox, PACK_SHRINK);
  83         get_vbox()->pack_start (reset_button, PACK_SHRINK);
  84         get_vbox()->pack_start (scroller);
  85
  86         color_display.signal_button_press_event().connect (sigc::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 (sigc::bind (sigc::mem_fun (color_dialog, &Gtk::Dialog::response), RESPONSE_ACCEPT));
  92         color_dialog.get_cancel_button()->signal_clicked().connect (sigc::bind (sigc::mem_fun (color_dialog, &Gtk::Dialog::response), RESPONSE_CANCEL));
  93         dark_button.signal_toggled().connect (sigc::mem_fun (*this, &ThemeManager::on_dark_theme_button_toggled));
  94         light_button.signal_toggled().connect (sigc::mem_fun (*this, &ThemeManager::on_light_theme_button_toggled));
  95         reset_button.signal_clicked().connect (sigc::mem_fun (*this, &ThemeManager::reset_canvas_colors));
  96
  97         set_size_request (-1, 400);
  98         setup_theme ();
  99 }
 100
 101 ThemeManager::~ThemeManager()
 102 {
 103 }
 104
 105 int
 106 ThemeManager::save (string /*path*/)
 107 {
 108         return 0;
 109 }
 110
 111 bool
 112 ThemeManager::button_press_event (GdkEventButton* ev)
 113 {
 114         TreeIter iter;
 115         TreeModel::Path path;
 116         TreeViewColumn* column;
 117         int cellx;
 118         int celly;
 119
 120         UIConfigVariable<uint32_t> *ccvar;
 121
 122         if (!color_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
 123                 return false;
 124         }
 125
 126         switch (GPOINTER_TO_UINT (column->get_data (X_("colnum")))) {
 127         case 0:
 128                 /* allow normal processing to occur */
 129                 return false;
 130
 131         case 1: /* color */
 132                 if ((iter = color_list->get_iter (path))) {
 133
 134                         int r,g, b, a;
 135                         uint32_t rgba = (*iter)[columns.rgba];
 136                         Gdk::Color color;
 137
 138                         UINT_TO_RGBA (rgba, &r, &g, &b, &a);
 139                         color.set_rgb_p (r / 255.0, g / 255.0, b / 255.0);
 140                         color_dialog.get_colorsel()->set_previous_color (color);
 141                         color_dialog.get_colorsel()->set_current_color (color);
 142                         color_dialog.get_colorsel()->set_previous_alpha (a * 256);
 143                         color_dialog.get_colorsel()->set_current_alpha (a * 256);
 144
 145                         ResponseType result = (ResponseType) color_dialog.run();
 146
 147                         switch (result) {
 148                         case RESPONSE_CANCEL:
 149                                 break;
 150                         case RESPONSE_ACCEPT:
 151                                 color = color_dialog.get_colorsel()->get_current_color();
 152                                 a = color_dialog.get_colorsel()->get_current_alpha();
 153                                 r = (int) floor (color.get_red_p() * 255.0);
 154                                 g = (int) floor (color.get_green_p() * 255.0);
 155                                 b = (int) floor (color.get_blue_p() * 255.0);
 156
 157                                 rgba = RGBA_TO_UINT(r,g,b,a>>8);
 158                                 //cerr << (*iter)[columns.name] << " == " << hex << rgba << endl;
 159                                 //cerr << "a = " << a << endl;
 160                                 (*iter)[columns.rgba] = rgba;
 161                                 (*iter)[columns.gdkcolor] = color;
 162
 163                                 ccvar = (*iter)[columns.pVar];
 164                                 ccvar->set(rgba);
 165
 166                                 //ColorChanged (rgba);
 167                                 ColorsChanged();//EMIT SIGNAL
 168                                 break;
 169
 170                         default:
 171                                 break;
 172
 173                         }
 174
 175                         color_dialog.hide ();
 176                 }
 177                 return true;
 178
 179         default:
 180                 break;
 181         }
 182
 183         return false;
 184 }
 185
 186 void
 187 load_rc_file (const string& filename, bool themechange)
 188 {
 189         sys::path rc_file_path;
 190
 191         SearchPath spath (ardour_search_path());
 192         spath += user_config_directory();
 193         spath += system_config_search_path();
 194
 195         if (!find_file_in_search_path (spath, filename, rc_file_path)) {
 196                 warning << string_compose (_("Unable to find UI style file %1 in search path %2. %3 will look strange"),
 197                                            filename, spath.to_string(), PROGRAM_NAME)
 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 /* hmm, this is a problem. the profile doesn't
 208    exist when the theme manager is constructed
 209    and toggles buttons during "normal" GTK setup.
 210
 211    a better solution will be to make all Profile
 212    methods static or something.
 213
 214    XXX FIX ME
 215 */
 216
 217 #define HACK_PROFILE_IS_SAE() (getenv("ARDOUR_SAE")!=0)
 218
 219 void
 220 ThemeManager::on_dark_theme_button_toggled()
 221 {
 222         if (!dark_button.get_active()) return;
 223
 224         if (HACK_PROFILE_IS_SAE()){
 225                 ARDOUR_UI::config()->ui_rc_file.set("ardour3_ui_dark_sae.rc");
 226         } else {
 227                 ARDOUR_UI::config()->ui_rc_file.set("ardour3_ui_dark.rc");
 228         }
 229
 230         load_rc_file (ARDOUR_UI::config()->ui_rc_file.get(), true);
 231 }
 232
 233 void
 234 ThemeManager::on_light_theme_button_toggled()
 235 {
 236         if (!light_button.get_active()) return;
 237
 238         if (HACK_PROFILE_IS_SAE()){
 239                 ARDOUR_UI::config()->ui_rc_file.set("ardour3_ui_light_sae.rc");
 240         } else {
 241                 ARDOUR_UI::config()->ui_rc_file.set("ardour3_ui_light.rc");
 242         }
 243
 244         load_rc_file (ARDOUR_UI::config()->ui_rc_file.get(), true);
 245 }
 246
 247 void
 248 ThemeManager::setup_theme ()
 249 {
 250         int r, g, b, a;
 251         color_list->clear();
 252
 253         for (std::vector<UIConfigVariable<uint32_t> *>::iterator i = ARDOUR_UI::config()->canvas_colors.begin(); i != ARDOUR_UI::config()->canvas_colors.end(); i++) {
 254
 255                 TreeModel::Row row = *(color_list->append());
 256
 257                 Gdk::Color col;
 258                 uint32_t rgba = (*i)->get();
 259                 UINT_TO_RGBA (rgba, &r, &g, &b, &a);
 260                 //cerr << (*i)->name() << " == " << hex << rgba << ": " << hex << r << " " << hex << g << " " << hex << b << endl;
 261                 col.set_rgb_p (r / 255.0, g / 255.0, b / 255.0);
 262
 263                 row[columns.name] = (*i)->name();
 264                 row[columns.color] = "";
 265                 row[columns.pVar] = *i;
 266                 row[columns.rgba] = rgba;
 267                 row[columns.gdkcolor] = col;
 268
 269         }
 270
 271         ColorsChanged.emit();
 272
 273         bool env_defined = false;
 274         string rcfile = Glib::getenv("ARDOUR3_UI_RC", env_defined);
 275
 276         if(!env_defined) {
 277                 rcfile = ARDOUR_UI::config()->ui_rc_file.get();
 278         }
 279
 280         if (rcfile == "ardour3_ui_dark.rc" || rcfile == "ardour3_ui_dark_sae.rc") {
 281                 dark_button.set_active();
 282         } else if (rcfile == "ardour3_ui_light.rc" || "ardour3_ui_light_sae.rc") {
 283                 light_button.set_active();
 284         }
 285
 286         load_rc_file(rcfile, false);
 287 }
 288
 289 void
 290 ThemeManager::reset_canvas_colors()
 291 {
 292         ARDOUR_UI::config()->load_defaults();
 293         setup_theme ();
 294 }
 295