gtk2_ardour/visual_time_axis.cc

   1 /*
   2     Copyright (C) 2003 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 <cstdlib>
  21 #include <cmath>
  22 #include <algorithm>
  23 #include <string>
  24 #include <vector>
  25
  26 #include <pbd/error.h>
  27 #include <pbd/stl_delete.h>
  28 #include <pbd/whitespace.h>
  29
  30 #include <gtkmm2ext/utils.h>
  31 #include <gtkmm2ext/selector.h>
  32 #include <gtkmm2ext/gtk_ui.h>
  33 #include <gtkmm2ext/stop_signal.h>
  34 #include <gtkmm2ext/choice.h>
  35
  36 #include <ardour/session.h>
  37 #include <ardour/utils.h>
  38 #include <ardour/insert.h>
  39 #include <ardour/location.h>
  40
  41 #include "ardour_ui.h"
  42 #include "public_editor.h"
  43 #include "imageframe_time_axis.h"
  44 #include "imageframe_time_axis_view.h"
  45 #include "marker_time_axis_view.h"
  46 #include "imageframe_view.h"
  47 #include "marker_time_axis.h"
  48 #include "marker_view.h"
  49 #include "utils.h"
  50 #include "prompter.h"
  51 #include "rgb_macros.h"
  52 #include "canvas_impl.h"
  53
  54 #include "i18n.h"
  55
  56 using namespace ARDOUR;
  57 using namespace PBD;
  58 using namespace sigc;
  59 using namespace Gtk;
  60
  61 /**
  62  * Abstract Constructor for base visual time axis classes
  63  *
  64  * @param name the name/Id of thie TimeAxis
  65  * @param ed the Ardour PublicEditor
  66  * @param sess the current session
  67  * @param canvas the parent canvas object
  68  */
  69 VisualTimeAxis::VisualTimeAxis(const string & name, PublicEditor& ed, ARDOUR::Session& sess, Canvas& canvas)
  70         : AxisView(sess),
  71           TimeAxisView(sess,ed,(TimeAxisView*) 0, canvas),
  72           visual_button (_("v")),
  73           size_button (_("h"))
  74 {
  75         time_axis_name = name ;
  76         _color = unique_random_color() ;
  77         _marked_for_display = true;
  78
  79         name_entry.signal_activate().connect(mem_fun(*this, &VisualTimeAxis::name_entry_changed)) ;
  80         name_entry.signal_button_press_event().connect(mem_fun(*this, &VisualTimeAxis::name_entry_button_press_handler)) ;
  81         name_entry.signal_button_release_event().connect(mem_fun(*this, &VisualTimeAxis::name_entry_button_release_handler)) ;
  82         name_entry.signal_key_release_event().connect(mem_fun(*this, &VisualTimeAxis::name_entry_key_release_handler)) ;
  83
  84         size_button.set_name("TrackSizeButton") ;
  85         visual_button.set_name("TrackVisualButton") ;
  86         hide_button.set_name("TrackRemoveButton") ;
  87         hide_button.add (*(manage (new Image (::get_icon("hide")))));
  88         hide_button.show_all ();
  89
  90         size_button.signal_button_release_event().connect (mem_fun (*this, &VisualTimeAxis::size_click)) ;
  91         visual_button.signal_clicked().connect (mem_fun (*this, &VisualTimeAxis::visual_click)) ;
  92         hide_button.signal_clicked().connect (mem_fun (*this, &VisualTimeAxis::hide_click)) ;
  93         ARDOUR_UI::instance()->tooltips().set_tip(size_button,_("Display Height")) ;
  94         ARDOUR_UI::instance()->tooltips().set_tip(visual_button, _("Visual options")) ;
  95         ARDOUR_UI::instance()->tooltips().set_tip(hide_button, _("Hide this track")) ;
  96
  97 if (0) {
  98                 /* old school - when we used to put an extra row of buttons in place */
  99         controls_table.attach (hide_button, 0, 1, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
 100         controls_table.attach (visual_button, 1, 2, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
 101         controls_table.attach (size_button, 2, 3, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
 102 }
 103         /* remove focus from the buttons */
 104         size_button.unset_flags(Gtk::CAN_FOCUS) ;
 105         hide_button.unset_flags(Gtk::CAN_FOCUS) ;
 106         visual_button.unset_flags(Gtk::CAN_FOCUS) ;
 107
 108         set_height (hNormal) ;
 109 }
 110
 111 /**
 112  * VisualTimeAxis Destructor
 113  *
 114  */
 115 VisualTimeAxis::~VisualTimeAxis()
 116 {
 117 }
 118
 119
 120 //---------------------------------------------------------------------------------------//
 121 // Name/Id Accessors/Mutators
 122
 123 void
 124 VisualTimeAxis::set_time_axis_name(const string & name, void* src)
 125 {
 126         std::string old_name = time_axis_name ;
 127
 128         if(name != time_axis_name)
 129         {
 130                 time_axis_name = name ;
 131                 label_view() ;
 132                 editor.route_name_changed(this) ;
 133
 134                  NameChanged(time_axis_name, old_name, src) ; /* EMIT_SIGNAL */
 135         }
 136 }
 137
 138 std::string
 139 VisualTimeAxis::name() const
 140 {
 141         return(time_axis_name) ;
 142 }
 143
 144
 145 //---------------------------------------------------------------------------------------//
 146 // ui methods & data
 147
 148 /**
 149  * Sets the height of this TrackView to one of the defined TrackHeghts
 150  *
 151  * @param h
 152  */
 153 void
 154 VisualTimeAxis::set_height(uint32_t h)
 155 {
 156         TimeAxisView::set_height(h);
 157
 158         if (h >= hNormal) {
 159                 hide_name_label ();
 160                 show_name_entry ();
 161                 visual_button.show();
 162                 size_button.show();
 163                 hide_button.show();
 164         } else if (h >= hSmaller) {
 165                 hide_name_label ();
 166                 show_name_entry ();
 167                 visual_button.hide ();
 168                 size_button.hide ();
 169                 hide_button.hide();
 170         } else if (h >= hSmall) {
 171                 hide_name_entry ();
 172                 show_name_label ();
 173                 visual_button.hide ();
 174                 size_button.hide ();
 175                 hide_button.hide ();
 176         }
 177 }
 178
 179 /**
 180  * Handle the visuals button click
 181  *
 182  */
 183 void
 184 VisualTimeAxis::visual_click()
 185 {
 186         popup_display_menu(0);
 187 }
 188
 189
 190 /**
 191  * Handle the hide buttons click
 192  *
 193  */
 194 void
 195 VisualTimeAxis::hide_click()
 196 {
 197         // LAME fix for hide_button display refresh
 198         hide_button.set_sensitive(false);
 199
 200         editor.hide_track_in_display (*this);
 201
 202         hide_button.set_sensitive(true);
 203 }
 204
 205
 206 /**
 207  * Allows the selection of a new color for this TimeAxis
 208  *
 209  */
 210 void
 211 VisualTimeAxis::select_track_color ()
 212 {
 213         if(choose_time_axis_color())
 214         {
 215                 //Does nothing at this abstract point
 216         }
 217 }
 218
 219 /**
 220  * Provides a color chooser for the selection of a new time axis color.
 221  *
 222  */
 223 bool
 224 VisualTimeAxis::choose_time_axis_color()
 225 {
 226         bool picked ;
 227         Gdk::Color color ;
 228         gdouble current[4] ;
 229         Gdk::Color current_color ;
 230
 231         current[0] = _color.get_red() / 65535.0 ;
 232         current[1] = _color.get_green() / 65535.0 ;
 233         current[2] = _color.get_blue() / 65535.0 ;
 234         current[3] = 1.0 ;
 235
 236         current_color.set_rgb_p (current[0],current[1],current[2]);
 237         color = Gtkmm2ext::UI::instance()->get_color(_("ardour: color selection"),picked, &current_color) ;
 238
 239         if (picked)
 240         {
 241                 set_time_axis_color(color) ;
 242         }
 243         return(picked) ;
 244 }
 245
 246 /**
 247  * Sets the color of this TimeAxis to the specified color c
 248  *
 249  * @param c the new TimeAxis color
 250  */
 251 void
 252 VisualTimeAxis::set_time_axis_color(Gdk::Color c)
 253 {
 254         _color = c ;
 255 }
 256
 257 void
 258 VisualTimeAxis::set_selected_regionviews (RegionSelection& regions)
 259 {
 260         // Not handled by purely visual TimeAxis
 261 }
 262
 263 //---------------------------------------------------------------------------------------//
 264 // Handle time axis removal
 265
 266 /**
 267  * Handles the Removal of this VisualTimeAxis
 268  *
 269  * @param src the identity of the object that initiated the change
 270  */
 271 void
 272 VisualTimeAxis::remove_this_time_axis(void* src)
 273 {
 274         vector<string> choices;
 275
 276         std::string prompt  = string_compose (_("Do you really want to remove track \"%1\" ?\n\n(This action cannot be undone, and the session file will be overwritten!)"), time_axis_name);
 277
 278         choices.push_back (_("No, do nothing."));
 279         choices.push_back (_("Yes, remove it."));
 280
 281         Gtkmm2ext::Choice prompter (prompt, choices);
 282
 283         if (prompter.run () == 1) {
 284                 /*
 285                   defer to idle loop, otherwise we'll delete this object
 286                   while we're still inside this function ...
 287                 */
 288                 Glib::signal_idle().connect(bind(sigc::ptr_fun(&VisualTimeAxis::idle_remove_this_time_axis), this, src));
 289         }
 290 }
 291
 292 /**
 293  * Callback used to remove this time axis during the gtk idle loop
 294  * This is used to avoid deleting the obejct while inside the remove_this_time_axis
 295  * method
 296  *
 297  * @param ta the VisualTimeAxis to remove
 298  * @param src the identity of the object that initiated the change
 299  */
 300 gint
 301 VisualTimeAxis::idle_remove_this_time_axis(VisualTimeAxis* ta, void* src)
 302 {
 303          ta->VisualTimeAxisRemoved(ta->name(), src) ; /* EMIT_SIGNAL */
 304         delete ta ;
 305         ta = 0 ;
 306         return(false) ;
 307 }
 308
 309
 310
 311
 312 //---------------------------------------------------------------------------------------//
 313 // Handle TimeAxis rename
 314
 315 /**
 316  * Construct a new prompt to receive a new name for this TimeAxis
 317  *
 318  * @see finish_time_axis_rename()
 319  */
 320 void
 321 VisualTimeAxis::start_time_axis_rename()
 322 {
 323         ArdourPrompter name_prompter;
 324
 325         name_prompter.set_prompt (_("new name: ")) ;
 326         name_prompter.add_button (_("Rename"), Gtk::RESPONSE_ACCEPT);
 327         name_prompter.set_response_sensitive (Gtk::RESPONSE_ACCEPT, false);
 328         name_prompter.show_all() ;
 329
 330         switch (name_prompter.run ()) {
 331         case Gtk::RESPONSE_ACCEPT:
 332           string result;
 333           name_prompter.get_result (result);
 334           if (result.length()) {
 335                   if (editor.get_named_time_axis(result) != 0) {
 336                     ARDOUR_UI::instance()->popup_error (_("A track already exists with that name"));
 337                     return ;
 338                   }
 339
 340                   set_time_axis_name(result, this) ;
 341           }
 342         }
 343         label_view() ;
 344 }
 345
 346 /**
 347  * Handles the new name for this TimeAxis from the name prompt
 348  *
 349  * @see start_time_axis_rename()
 350  */
 351
 352 void
 353 VisualTimeAxis::label_view()
 354 {
 355         name_label.set_text(time_axis_name) ;
 356         name_entry.set_text(time_axis_name) ;
 357         ARDOUR_UI::instance()->tooltips().set_tip(name_entry, time_axis_name) ;
 358 }
 359
 360
 361 //---------------------------------------------------------------------------------------//
 362 // Handle name entry signals
 363
 364 void
 365 VisualTimeAxis::name_entry_changed()
 366 {
 367         string x = name_entry.get_text ();
 368
 369         if (x == time_axis_name) {
 370                 return;
 371         }
 372
 373         strip_whitespace_edges(x);
 374
 375         if (x.length() == 0) {
 376                 name_entry.set_text (time_axis_name);
 377                 return;
 378         }
 379
 380         if (!editor.get_named_time_axis(x)) {
 381                 set_time_axis_name(x, this);
 382         } else {
 383                 ARDOUR_UI::instance()->popup_error (_("A track already exists with that name"));
 384                 name_entry.set_text(time_axis_name);
 385         }
 386 }
 387
 388 gint
 389 VisualTimeAxis::name_entry_button_press_handler(GdkEventButton *ev)
 390 {
 391         if (ev->button == 3) {
 392                 return stop_signal (name_entry, "button_press_event");
 393         }
 394         return FALSE;
 395 }
 396
 397 gint
 398 VisualTimeAxis::name_entry_button_release_handler(GdkEventButton *ev)
 399 {
 400         return FALSE;
 401 }
 402
 403 gint
 404 VisualTimeAxis::name_entry_key_release_handler(GdkEventKey* ev)
 405 {
 406         switch (ev->keyval) {
 407         case GDK_Tab:
 408         case GDK_Up:
 409         case GDK_Down:
 410                 name_entry_changed ();
 411                 return TRUE;
 412
 413         default:
 414                 return FALSE;
 415         }
 416 }
 417
 418
 419 //---------------------------------------------------------------------------------------//
 420 // Super class methods not handled by VisualTimeAxis
 421
 422 void
 423 VisualTimeAxis::show_timestretch (nframes_t start, nframes_t end)
 424 {
 425   // Not handled by purely visual TimeAxis
 426 }
 427
 428 void
 429 VisualTimeAxis::hide_timestretch()
 430 {
 431   // Not handled by purely visual TimeAxis
 432 }
 433
 434