gtk2_ardour/port_matrix_row_labels.cc

   1 /*
   2     Copyright (C) 2002-2009 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 <iostream>
  21 #include <boost/weak_ptr.hpp>
  22 #include <gtkmm/menu.h>
  23 #include <gtkmm/menushell.h>
  24 #include <gtkmm/menu_elems.h>
  25 #include <cairo/cairo.h>
  26 #include "ardour/bundle.h"
  27 #include "port_matrix_row_labels.h"
  28 #include "port_matrix.h"
  29 #include "i18n.h"
  30
  31 PortMatrixRowLabels::PortMatrixRowLabels (PortMatrix* p, PortMatrixBody* b, Location l)
  32         : PortMatrixComponent (b), _port_matrix (p), _menu (0), _location (l)
  33 {
  34
  35 }
  36
  37 PortMatrixRowLabels::~PortMatrixRowLabels ()
  38 {
  39         delete _menu;
  40 }
  41
  42 void
  43 PortMatrixRowLabels::compute_dimensions ()
  44 {
  45         GdkPixmap* pm = gdk_pixmap_new (NULL, 1, 1, 24);
  46         gdk_drawable_set_colormap (pm, gdk_colormap_get_system());
  47         cairo_t* cr = gdk_cairo_create (pm);
  48
  49         _longest_port_name = 0;
  50         for (std::vector<boost::shared_ptr<ARDOUR::Bundle> >::const_iterator i = _body->row_bundles().begin(); i != _body->row_bundles().end(); ++i) {
  51                 for (uint32_t j = 0; j < (*i)->nchannels(); ++j) {
  52                         cairo_text_extents_t ext;
  53                         cairo_text_extents (cr, (*i)->channel_name(j).c_str(), &ext);
  54                         if (ext.width > _longest_port_name) {
  55                                 _longest_port_name = ext.width;
  56                         }
  57                 }
  58         }
  59
  60         _longest_bundle_name = 0;
  61         for (std::vector<boost::shared_ptr<ARDOUR::Bundle> >::const_iterator i = _body->row_bundles().begin(); i != _body->row_bundles().end(); ++i) {
  62                 cairo_text_extents_t ext;
  63                 cairo_text_extents (cr, (*i)->name().c_str(), &ext);
  64                 if (ext.width > _longest_bundle_name) {
  65                         _longest_bundle_name = ext.width;
  66                 }
  67         }
  68
  69         cairo_destroy (cr);
  70         gdk_pixmap_unref (pm);
  71
  72         _height = 0;
  73         for (std::vector<boost::shared_ptr<ARDOUR::Bundle> >::const_iterator i = _body->row_bundles().begin(); i != _body->row_bundles().end(); ++i) {
  74                 _height += (*i)->nchannels() * row_height();
  75         }
  76
  77         _width = _longest_port_name + name_pad() * 4 + _longest_bundle_name;
  78 }
  79
  80
  81 void
  82 PortMatrixRowLabels::render (cairo_t* cr)
  83 {
  84         /* BACKGROUND */
  85
  86         set_source_rgb (cr, background_colour());
  87         cairo_rectangle (cr, 0, 0, _width, _height);
  88         cairo_fill (cr);
  89
  90         /* SIDE BUNDLE NAMES */
  91
  92         uint32_t x = 0;
  93         if (_location == LEFT) {
  94                 x = name_pad();
  95         } else if (_location == RIGHT) {
  96                 x = _longest_port_name + name_pad() * 3;
  97         }
  98
  99         uint32_t y = 0;
 100         for (std::vector<boost::shared_ptr<ARDOUR::Bundle> >::const_iterator i = _body->row_bundles().begin(); i != _body->row_bundles().end(); ++i) {
 101
 102                 Gdk::Color const colour = get_a_bundle_colour (i - _body->row_bundles().begin ());
 103                 set_source_rgb (cr, colour);
 104                 cairo_rectangle (cr, 0, y, _width, row_height() * (*i)->nchannels());
 105                 cairo_fill_preserve (cr);
 106                 set_source_rgb (cr, background_colour());
 107                 cairo_set_line_width (cr, label_border_width ());
 108                 cairo_stroke (cr);
 109
 110                 uint32_t off = 0;
 111                 if ((*i)->nchannels () > 0) {
 112                         /* use the extent of our first channel name so that the bundle name is vertically aligned with it */
 113                         cairo_text_extents_t ext;
 114                         cairo_text_extents (cr, (*i)->channel_name(0).c_str(), &ext);
 115                         off = (row_height() - ext.height) / 2;
 116                 } else {
 117                         off = row_height() / 2;
 118                 }
 119
 120                 set_source_rgb (cr, text_colour());
 121                 cairo_move_to (cr, x, y + name_pad() + off);
 122                 cairo_show_text (cr, (*i)->name().c_str());
 123
 124                 y += row_height() * (*i)->nchannels ();
 125         }
 126
 127
 128         /* SIDE PORT NAMES */
 129
 130         y = 0;
 131         for (std::vector<boost::shared_ptr<ARDOUR::Bundle> >::const_iterator i = _body->row_bundles().begin(); i != _body->row_bundles().end(); ++i) {
 132                 for (uint32_t j = 0; j < (*i)->nchannels(); ++j) {
 133
 134                         uint32_t x = 0;
 135                         if (_location == LEFT) {
 136                                 x = _longest_bundle_name + name_pad() * 2;
 137                         } else if (_location == RIGHT) {
 138                                 x = 0;
 139                         }
 140
 141                         Gdk::Color const colour = get_a_bundle_colour (i - _body->row_bundles().begin ());
 142                         set_source_rgb (cr, colour);
 143                         cairo_rectangle (
 144                                 cr,
 145                                 x,
 146                                 y,
 147                                 _longest_port_name + (name_pad() * 2),
 148                                 row_height()
 149                                 );
 150                         cairo_fill_preserve (cr);
 151                         set_source_rgb (cr, background_colour());
 152                         cairo_set_line_width (cr, label_border_width ());
 153                         cairo_stroke (cr);
 154
 155                         cairo_text_extents_t ext;
 156                         cairo_text_extents (cr, (*i)->channel_name(j).c_str(), &ext);
 157                         uint32_t const off = (row_height() - ext.height) / 2;
 158
 159                         set_source_rgb (cr, text_colour());
 160                         cairo_move_to (cr, x + name_pad(), y + name_pad() + off);
 161                         cairo_show_text (cr, (*i)->channel_name(j).c_str());
 162
 163                         y += row_height();
 164                 }
 165         }
 166 }
 167
 168 void
 169 PortMatrixRowLabels::button_press (double x, double y, int b, uint32_t t)
 170 {
 171         if (b != 3) {
 172                 return;
 173         }
 174
 175         if ( (_location ==  LEFT && x > (_longest_bundle_name + name_pad() * 2)) ||
 176              (_location == RIGHT && x < (_longest_port_name + name_pad() * 2))
 177                 ) {
 178
 179                 delete _menu;
 180
 181                 _menu = new Gtk::Menu;
 182                 _menu->set_name ("ArdourContextMenu");
 183
 184                 Gtk::Menu_Helpers::MenuList& items = _menu->items ();
 185
 186                 uint32_t row = y / row_height ();
 187
 188                 boost::shared_ptr<ARDOUR::Bundle> bundle;
 189                 uint32_t channel = 0;
 190
 191                 for (std::vector<boost::shared_ptr<ARDOUR::Bundle> >::const_iterator i = _body->row_bundles().begin(); i != _body->row_bundles().end(); ++i) {
 192                         if (row < (*i)->nchannels ()) {
 193                                 bundle = *i;
 194                                 channel = row;
 195                                 break;
 196                         } else {
 197                                 row -= (*i)->nchannels ();
 198                         }
 199                 }
 200
 201                 if (bundle) {
 202                         char buf [64];
 203
 204                         if (_port_matrix->can_rename_channels ()) {
 205                                 snprintf (buf, sizeof (buf), _("Rename '%s'..."), bundle->channel_name (channel).c_str());
 206                                 items.push_back (
 207                                         Gtk::Menu_Helpers::MenuElem (
 208                                                 buf,
 209                                                 sigc::bind (sigc::mem_fun (*this, &PortMatrixRowLabels::rename_channel_proxy), bundle, channel)
 210                                                 )
 211                                         );
 212                         }
 213
 214                         snprintf (buf, sizeof (buf), _("Remove '%s'"), bundle->channel_name (channel).c_str());
 215                         items.push_back (
 216                                 Gtk::Menu_Helpers::MenuElem (
 217                                         buf,
 218                                         sigc::bind (sigc::mem_fun (*this, &PortMatrixRowLabels::remove_channel_proxy), bundle, channel)
 219                                         )
 220                                 );
 221
 222                         _menu->popup (1, t);
 223                 }
 224         }
 225 }
 226
 227
 228 void
 229 PortMatrixRowLabels::remove_channel_proxy (boost::weak_ptr<ARDOUR::Bundle> b, uint32_t c)
 230 {
 231         boost::shared_ptr<ARDOUR::Bundle> sb = b.lock ();
 232         if (!sb) {
 233                 return;
 234         }
 235
 236         _port_matrix->remove_channel (sb, c);
 237
 238 }
 239
 240 void
 241 PortMatrixRowLabels::rename_channel_proxy (boost::weak_ptr<ARDOUR::Bundle> b, uint32_t c)
 242 {
 243         boost::shared_ptr<ARDOUR::Bundle> sb = b.lock ();
 244         if (!sb) {
 245                 return;
 246         }
 247
 248         _port_matrix->rename_channel (sb, c);
 249 }