gtk2_ardour/option_editor.cc

   1 /*
   2     Copyright (C) 2001-2009 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 <gtkmm/box.h>
  21 #include <gtkmm/alignment.h>
  22 #include "gtkmm2ext/utils.h"
  23 #include "ardour/configuration.h"
  24 #include "ardour/utils.h"
  25 #include "ardour/dB.h"
  26 #include "option_editor.h"
  27 #include "gui_thread.h"
  28 #include "utils.h"
  29 #include "i18n.h"
  30
  31 using namespace std;
  32 using namespace Gtk;
  33 using namespace Gtkmm2ext;
  34 using namespace ARDOUR;
  35
  36 void
  37 OptionEditorComponent::add_widget_to_page (OptionEditorPage* p, Gtk::Widget* w)
  38 {
  39         int const n = p->table.property_n_rows();
  40         p->table.resize (n + 1, 3);
  41         p->table.attach (*w, 1, 3, n, n + 1, FILL | EXPAND);
  42 }
  43
  44 void
  45 OptionEditorComponent::add_widgets_to_page (OptionEditorPage* p, Gtk::Widget* wa, Gtk::Widget* wb)
  46 {
  47         int const n = p->table.property_n_rows();
  48         p->table.resize (n + 1, 3);
  49         p->table.attach (*wa, 1, 2, n, n + 1, FILL);
  50         p->table.attach (*wb, 2, 3, n, n + 1, FILL | EXPAND);
  51 }
  52
  53 OptionEditorHeading::OptionEditorHeading (string const & h)
  54 {
  55         std::stringstream s;
  56         s << "<b>" << h << "</b>";
  57         _label = manage (new Label (s.str()));
  58         _label->set_alignment (0, 0.5);
  59         _label->set_use_markup (true);
  60 }
  61
  62 void
  63 OptionEditorHeading::add_to_page (OptionEditorPage* p)
  64 {
  65         int const n = p->table.property_n_rows();
  66         p->table.resize (n + 2, 3);
  67
  68         p->table.attach (*manage (new Label ("")), 0, 3, n, n + 1, FILL | EXPAND);
  69         p->table.attach (*_label, 0, 3, n + 1, n + 2, FILL | EXPAND);
  70 }
  71
  72 void
  73 OptionEditorBox::add_to_page (OptionEditorPage* p)
  74 {
  75         add_widget_to_page (p, _box);
  76 }
  77
  78 BoolOption::BoolOption (string const & i, string const & n, sigc::slot<bool> g, sigc::slot<bool, bool> s)
  79         : Option (i, n),
  80           _get (g),
  81           _set (s)
  82 {
  83         _button = manage (new CheckButton (n));
  84         _button->set_active (_get ());
  85         _button->signal_toggled().connect (sigc::mem_fun (*this, &BoolOption::toggled));
  86 }
  87
  88 void
  89 BoolOption::add_to_page (OptionEditorPage* p)
  90 {
  91         add_widget_to_page (p, _button);
  92 }
  93
  94 void
  95 BoolOption::set_state_from_config ()
  96 {
  97         _button->set_active (_get ());
  98 }
  99
 100 void
 101 BoolOption::toggled ()
 102 {
 103         _set (_button->get_active ());
 104 }
 105
 106 EntryOption::EntryOption (string const & i, string const & n, sigc::slot<string> g, sigc::slot<bool, string> s)
 107         : Option (i, n),
 108           _get (g),
 109           _set (s)
 110 {
 111         _label = manage (new Label (n + ":"));
 112         _label->set_alignment (1, 0.5);
 113         _entry = manage (new Entry);
 114         _entry->signal_activate().connect (sigc::mem_fun (*this, &EntryOption::activated));
 115 }
 116
 117 void
 118 EntryOption::add_to_page (OptionEditorPage* p)
 119 {
 120         add_widgets_to_page (p, _label, _entry);
 121 }
 122
 123 void
 124 EntryOption::set_state_from_config ()
 125 {
 126         _entry->set_text (_get ());
 127 }
 128
 129 void
 130 EntryOption::activated ()
 131 {
 132         _set (_entry->get_text ());
 133 }
 134
 135 FaderOption::FaderOption (string const & i, string const & n, sigc::slot<gain_t> g, sigc::slot<bool, gain_t> s)
 136         : Option (i, n)
 137         // 0.781787 is the value needed for gain to be set to 0.
 138         , _db_adjustment (0.781787, 0, 1, 0.01, 0.1)
 139         , _get (g)
 140         , _set (s)
 141 {
 142         _pix = ::get_icon (X_("fader_belt_h"));
 143         if (_pix == 0) {
 144                 throw failed_constructor ();
 145         }
 146
 147         _db_slider = manage (new HSliderController (_pix,
 148                                                     &_db_adjustment,
 149                                                     115,
 150                                                     false));
 151
 152         _label.set_text (n + ":");
 153         _label.set_name (X_("OptionsLabel"));
 154
 155         _box.set_spacing (4);
 156         _box.pack_start (*_db_slider, false, false);
 157         _box.pack_start (_db_display, false, false);
 158         _box.show_all ();
 159
 160         set_size_request_to_display_given_text (_db_display, "-99.0", 12, 12);
 161
 162         _db_adjustment.signal_value_changed().connect (sigc::mem_fun (*this, &FaderOption::db_changed));
 163 }
 164
 165 void
 166 FaderOption::set_state_from_config ()
 167 {
 168         gain_t const val = _get ();
 169         _db_adjustment.set_value (gain_to_slider_position (val));
 170
 171         char buf[16];
 172
 173         if (val == 0.0) {
 174                 snprintf (buf, sizeof (buf), "-inf");
 175         } else {
 176                 snprintf (buf, sizeof (buf), "%.2f", accurate_coefficient_to_dB (val));
 177         }
 178
 179         _db_display.set_text (buf);
 180 }
 181
 182 void
 183 FaderOption::db_changed ()
 184 {
 185         _set (slider_position_to_gain (_db_adjustment.get_value ()));
 186 }
 187
 188 void
 189 FaderOption::add_to_page (OptionEditorPage* p)
 190 {
 191         add_widgets_to_page (p, &_label, &_box);
 192 }
 193
 194 OptionEditorPage::OptionEditorPage (Gtk::Notebook& n, std::string const & t)
 195         : table (1, 3)
 196 {
 197         table.set_spacings (4);
 198         table.set_col_spacing (0, 32);
 199         box.pack_start (table, false, false);
 200         box.set_border_width (4);
 201         n.append_page (box, t);
 202 }
 203
 204 /** Construct an OptionEditor.
 205  *  @param o Configuration to edit.
 206  *  @param t Title for the dialog.
 207  */
 208 OptionEditor::OptionEditor (Configuration* c, std::string const & t)
 209         : ArdourDialog (t, false), _config (c)
 210 {
 211         using namespace Notebook_Helpers;
 212
 213         set_default_size (300, 300);
 214         set_wmclass (X_("ardour_preferences"), "Ardour");
 215
 216         set_name ("Preferences");
 217         add_events (Gdk::KEY_PRESS_MASK | Gdk::KEY_RELEASE_MASK);
 218
 219         set_border_width (4);
 220
 221         get_vbox()->set_spacing (4);
 222         get_vbox()->pack_start (_notebook);
 223
 224         _notebook.set_show_tabs (true);
 225         _notebook.set_show_border (true);
 226         _notebook.set_name ("OptionsNotebook");
 227
 228         show_all_children();
 229
 230         /* Watch out for changes to parameters */
 231         _config->ParameterChanged.connect (config_connection, invalidator (*this), ui_bind (&OptionEditor::parameter_changed, this, _1), gui_context());
 232 }
 233
 234 OptionEditor::~OptionEditor ()
 235 {
 236         for (std::map<std::string, OptionEditorPage*>::iterator i = _pages.begin(); i != _pages.end(); ++i) {
 237                 for (std::list<OptionEditorComponent*>::iterator j = i->second->components.begin(); j != i->second->components.end(); ++j) {
 238                         delete *j;
 239                 }
 240                 delete i->second;
 241         }
 242 }
 243
 244 /** Called when a configuration parameter has been changed.
 245  *  @param p Parameter name.
 246  */
 247 void
 248 OptionEditor::parameter_changed (std::string const & p)
 249 {
 250         ENSURE_GUI_THREAD (*this, &OptionEditor::parameter_changed, p)
 251
 252         for (std::map<std::string, OptionEditorPage*>::iterator i = _pages.begin(); i != _pages.end(); ++i) {
 253                 for (std::list<OptionEditorComponent*>::iterator j = i->second->components.begin(); j != i->second->components.end(); ++j) {
 254                         (*j)->parameter_changed (p);
 255                 }
 256         }
 257 }
 258
 259 /** Add a component to a given page.
 260  *  @param pn Page name (will be created if it doesn't already exist)
 261  *  @param o Component.
 262  */
 263 void
 264 OptionEditor::add_option (std::string const & pn, OptionEditorComponent* o)
 265 {
 266         if (_pages.find (pn) == _pages.end()) {
 267                 _pages[pn] = new OptionEditorPage (_notebook, pn);
 268         }
 269
 270         OptionEditorPage* p = _pages[pn];
 271         p->components.push_back (o);
 272
 273         o->add_to_page (p);
 274         o->set_state_from_config ();
 275 }