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_clicked().connect (bind (mem_fun (*this, &ThemeManager::load_rc), 1));
  89         light_button.signal_clicked().connect (bind (mem_fun (*this, &ThemeManager::load_rc), 2));
  90
  91         set_size_request (-1, 400);
  92 }
  93
  94 ThemeManager::~ThemeManager()
  95 {
  96 }
  97
  98 int
  99 ThemeManager::save (string path)
 100 {
 101         return 0;
 102 }
 103
 104 bool
 105 ThemeManager::button_press_event (GdkEventButton* ev)
 106 {
 107         TreeIter iter;
 108         TreeModel::Path path;
 109         TreeViewColumn* column;
 110         int cellx;
 111         int celly;
 112
 113         ARDOUR::ConfigVariable<uint32_t> *ccvar;
 114
 115         if (!color_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
 116                 return false;
 117         }
 118
 119         switch (GPOINTER_TO_UINT (column->get_data (X_("colnum")))) {
 120         case 0:
 121                 /* allow normal processing to occur */
 122                 return false;
 123
 124         case 1: /* color */
 125                 if ((iter = color_list->get_iter (path))) {
 126
 127                         int r,g, b, a;
 128                         uint32_t rgba = (*iter)[columns.rgba];
 129                         Gdk::Color color;
 130
 131                         UINT_TO_RGBA (rgba, &r, &g, &b, &a);
 132                         color.set_rgb_p (r / 255.0, g / 255.0, b / 255.0);
 133                         color_dialog.get_colorsel()->set_current_color (color);
 134                         color_dialog.get_colorsel()->set_previous_color (color);
 135                         color_dialog.get_colorsel()->set_current_alpha (a * 256);
 136                         color_dialog.get_colorsel()->set_previous_alpha (a * 256);
 137                         ResponseType result = (ResponseType) color_dialog.run();
 138
 139                         switch (result) {
 140                         case RESPONSE_CANCEL:
 141                                 break;
 142                         case RESPONSE_ACCEPT:
 143                                 color = color_dialog.get_colorsel()->get_current_color();
 144                                 a = color_dialog.get_colorsel()->get_current_alpha();
 145                                 r = (int) floor (color.get_red_p() * 255.0);
 146                                 g = (int) floor (color.get_green_p() * 255.0);
 147                                 b = (int) floor (color.get_blue_p() * 255.0);
 148
 149                                 rgba = RGBA_TO_UINT(r,g,b,a);
 150                                 //cerr << (*iter)[columns.name] << " == " << hex << rgba << endl;
 151                                 (*iter)[columns.rgba] = rgba;
 152                                 (*iter)[columns.gdkcolor] = color;
 153
 154                                 ccvar = (*iter)[columns.pVar];
 155                                 ccvar->set(rgba);
 156
 157                                 //ColorChanged (rgba);
 158                                 ColorsChanged();//EMIT SIGNAL
 159                                 break;
 160
 161                         default:
 162                                 break;
 163
 164                         }
 165
 166                         color_dialog.hide ();
 167                 }
 168                 return true;
 169
 170         default:
 171                 break;
 172         }
 173
 174         return false;
 175 }
 176
 177
 178 void
 179 ThemeManager::load_rc(int which)
 180 {
 181
 182         if (which == 1) {
 183                 Config->set_ui_rc_file("ardour2_ui_dark.rc");
 184                 cerr << "dark theme selected" << endl;
 185
 186         } else {
 187                 Config->set_ui_rc_file("ardour2_ui_light.rc");
 188                 cerr << "light theme selected" << endl;
 189         }
 190
 191         sys::path rc_file_path;
 192
 193         find_file_in_search_path (ardour_search_path() + system_config_search_path(),
 194                         Config->get_ui_rc_file(), rc_file_path);
 195
 196         ThemeChanged(rc_file_path.to_string()); //EMIT SIGNAL
 197
 198         cerr << "load_rc() called " << rc_file_path.to_string() << endl;
 199
 200 }
 201
 202 void
 203 ThemeManager::setup_theme ()
 204 {
 205         int r, g, b, a;
 206         for (std::vector<ConfigVariable<uint32_t> *>::iterator i = Config->canvas_colors.begin(); i != Config->canvas_colors.end(); i++) {
 207
 208                 TreeModel::Row row = *(color_list->append());
 209
 210                 Gdk::Color col;
 211                 uint32_t rgba = (*i)->get();
 212                 UINT_TO_RGBA (rgba, &r, &g, &b, &a);
 213                 //cerr << (*i)->name() << " == " << hex << rgba << ": " << hex << r << " " << hex << g << " " << hex << b << endl;
 214                 col.set_rgb_p (r / 255.0, g / 255.0, b / 255.0);
 215
 216                 row[columns.name] = (*i)->name();
 217                 row[columns.color] = "";
 218                 row[columns.pVar] = *i;
 219                 row[columns.rgba] = rgba;
 220                 row[columns.gdkcolor] = col;
 221
 222                 //cerr << (*i)->name() << " == " << rgba << endl;
 223         }
 224         cerr << "ThemeManager::setup_theme () called" << endl;
 225         ColorsChanged(); //EMIT SIGNAL
 226
 227         if (getenv ("ARDOUR2_UI_RC")) {
 228                 return;
 229         }
 230
 231         if (Config->get_ui_rc_file() == "ardour2_ui_dark.rc") {
 232                 dark_button.set_active();
 233         } else if (Config->get_ui_rc_file() == "ardour2_ui_light.rc") {
 234                 light_button.set_active();
 235         }
 236
 237 }
 238