enough with umpteen "i18n.h" files. Consolidate on pbd/i18n.h
[ardour.git] / gtk2_ardour / port_matrix_column_labels.cc
index 72954d1627c8cd19eb636f1bec434320488cd92b..4cf12b58b3fce1c89f4d7fc3ccc6ca1825c467ee 100644 (file)
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2002-2009 Paul Davis 
+    Copyright (C) 2002-2009 Paul Davis
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
 */
 
 #include <iostream>
+#include "gtkmm2ext/keyboard.h"
 #include "ardour/bundle.h"
+#include "canvas/colors.h"
+#include "utils.h"
 #include "port_matrix_column_labels.h"
 #include "port_matrix.h"
+#include "port_matrix_body.h"
 
-PortMatrixColumnLabels::PortMatrixColumnLabels (PortMatrixBody* b, Location l)
-       : PortMatrixComponent (b), _location (l)
+#include "pbd/i18n.h"
+
+using namespace std;
+
+PortMatrixColumnLabels::PortMatrixColumnLabels (PortMatrix* m, PortMatrixBody* b)
+       : PortMatrixLabels (m, b),
+         _overhang (0)
 {
 
 }
@@ -31,67 +40,80 @@ PortMatrixColumnLabels::PortMatrixColumnLabels (PortMatrixBody* b, Location l)
 void
 PortMatrixColumnLabels::compute_dimensions ()
 {
-       GdkPixmap* pm = gdk_pixmap_new (NULL, 1, 1, 24);
-       gdk_drawable_set_colormap (pm, gdk_colormap_get_system());
-       cairo_t* cr = gdk_cairo_create (pm);
+       cairo_surface_t* surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, 200, 200);
+       cairo_t* cr = cairo_create (surface);
 
        /* width of the longest bundle name */
        _longest_bundle_name = 0;
        /* width of the longest channel name */
        _longest_channel_name = 0;
-       /* height of highest bit of text */
-       _highest_text = 0;
-       
-       for (std::vector<boost::shared_ptr<ARDOUR::Bundle> >::const_iterator i = _body->column_bundles().begin (); i != _body->column_bundles().end(); ++i) {
-
-               cairo_text_extents_t ext;
-               cairo_text_extents (cr, (*i)->name().c_str(), &ext);
-               if (ext.width > _longest_bundle_name) {
-                       _longest_bundle_name = ext.width;
-               }
-               if (ext.height > _highest_text) {
-                       _highest_text = ext.height;
-               }
 
-               for (uint32_t j = 0; j < (*i)->nchannels (); ++j) {
-                       
-                       cairo_text_extents (
-                               cr,
-                               (*i)->channel_name (j).c_str(),
-                               &ext
-                               );
-                       
-                       if (ext.width > _longest_channel_name) {
-                               _longest_channel_name = ext.width;
+       /* Compute dimensions using all port groups, so that we allow for the largest and hence
+          we can change between visible groups without the size of the labels jumping around.
+       */
+
+       for (PortGroupList::List::const_iterator i = _matrix->columns()->begin(); i != _matrix->columns()->end(); ++i) {
+               PortGroup::BundleList const c = _matrix->columns()->bundles();
+               for (PortGroup::BundleList::const_iterator j = c.begin (); j != c.end(); ++j) {
+
+                       cairo_text_extents_t ext;
+                       cairo_text_extents (cr, (*j)->bundle->name().c_str(), &ext);
+                       if (ext.width > _longest_bundle_name) {
+                               _longest_bundle_name = ext.width;
                        }
-                       if (ext.height > _highest_text) {
-                               _highest_text = ext.height;
+
+                       for (uint32_t k = 0; k < (*j)->bundle->nchannels().n_total(); ++k) {
+
+                               if (!_matrix->should_show ((*j)->bundle->channel_type(k))) {
+                                       continue;
+                               }
+
+                               cairo_text_extents (
+                                       cr,
+                                       (*j)->bundle->channel_name (k).c_str(),
+                                       &ext
+                                       );
+
+                               if (ext.width > _longest_channel_name) {
+                                       _longest_channel_name = ext.width;
+                               }
                        }
                }
        }
 
+       /* height metrics */
+       cairo_text_extents_t ext;
+       cairo_text_extents (cr, X_("AQRjpy"), &ext);
+       _text_height = ext.height;
+       _descender_height = ext.height + ext.y_bearing;
+
+       /* width of the whole thing */
+       if (_matrix->visible_columns()) {
+               _width = group_size (_matrix->visible_columns()) * grid_spacing ();
+       } else {
+               _width = 0;
+       }
+
        cairo_destroy (cr);
-       gdk_pixmap_unref (pm);
+       cairo_surface_destroy (surface);
 
-       /* width and height of the whole thing */
-       
-       _width = 0;
-       for (std::vector<boost::shared_ptr<ARDOUR::Bundle> >::const_iterator i = _body->column_bundles().begin (); i != _body->column_bundles().end(); ++i) {
-               _width += (*i)->nchannels() * column_width();
-       }
+       /* height of the whole thing */
 
-       _height =
-               (_longest_bundle_name + _longest_channel_name + 4 * name_pad()) * sin (angle())
-               + _highest_text * cos (angle());
+       int a = _longest_bundle_name + 4 * name_pad();
+       if (!_matrix->show_only_bundles()) {
+               a += _longest_channel_name;
+       }
 
-       _width += _height / tan (angle ());
+       _height =  a * sin (angle()) + _text_height * cos (angle());
+       _overhang = _height / tan (angle ());
+       _width += _overhang;
 }
 
 double
-PortMatrixColumnLabels::basic_text_x_pos (int c) const
+PortMatrixColumnLabels::basic_text_x_pos (int) const
 {
-       return column_width() / 2 +
-               _highest_text / (2 * sin (angle ()));
+       return grid_spacing() / 2 +
+               _text_height / (2 * sin (angle ()));
 }
 
 void
@@ -106,131 +128,391 @@ PortMatrixColumnLabels::render (cairo_t* cr)
         /* BUNDLE PARALLELOGRAM-TYPE-THING AND NAME */
 
        double x = 0;
-       for (std::vector<boost::shared_ptr<ARDOUR::Bundle> >::const_iterator i = _body->column_bundles().begin (); i != _body->column_bundles().end(); ++i) {
+       int N = 0;
 
-               Gdk::Color colour = get_a_bundle_colour (i - _body->column_bundles().begin ());
-               set_source_rgb (cr, colour);
+       PortGroup::BundleList const & bundles = _matrix->visible_columns()->bundles ();
+       for (PortGroup::BundleList::const_iterator i = bundles.begin (); i != bundles.end(); ++i) {
 
-               double const w = (*i)->nchannels() * column_width();
+               Gdk::Color c = (*i)->has_colour ? (*i)->colour : get_a_bundle_colour (N);
+               render_bundle_name (cr, background_colour (), c, x, 0, (*i)->bundle);
 
-               double x_ = x;
-               double y_ = _height;
-               
-               cairo_move_to (cr, x_, y_);
-               x_ += w;
-               cairo_line_to (cr, x_, y_);
-               x_ += _height / tan (angle ());
-               y_ -= _height;
-               cairo_line_to (cr, x_, y_);
+               if (_matrix->show_only_bundles()) {
+                       x += grid_spacing();
+               } else {
+                       x += _matrix->count_of_our_type_min_1 ((*i)->bundle->nchannels()) * grid_spacing();
+               }
+
+               ++N;
+       }
+
+       /* PORT NAMES */
+
+       if (!_matrix->show_only_bundles()) {
+               x = 0;
+               N = 0;
+
+               for (PortGroup::BundleList::const_iterator i = bundles.begin (); i != bundles.end(); ++i) {
+
+                       uint32_t const C = _matrix->count_of_our_type ((*i)->bundle->nchannels ());
+
+                       for (uint32_t j = 0; j < C; ++j) {
+                               Gdk::Color c = (*i)->has_colour ? (*i)->colour : get_a_bundle_colour (N);
+
+                               ARDOUR::BundleChannel bc (
+                                       (*i)->bundle,
+                                       (*i)->bundle->type_channel_to_overall (_matrix->type (), j)
+                                       );
+
+                               render_channel_name (cr, background_colour (), c, x, 0, bc);
+                               x += grid_spacing();
+                       }
+
+                       if (C == 0) {
+                               x += grid_spacing ();
+                       }
+
+                       ++N;
+               }
+       }
+}
+
+double
+PortMatrixColumnLabels::component_to_parent_x (double x) const
+{
+       return x - _body->xoffset() + _parent_rectangle.get_x();
+}
+
+double
+PortMatrixColumnLabels::parent_to_component_x (double x) const
+{
+       return x + _body->xoffset() - _parent_rectangle.get_x();
+}
+
+double
+PortMatrixColumnLabels::component_to_parent_y (double y) const
+{
+       /* Column labels don't scroll vertically, so y conversion does not depend on yoffset */
+       return y + _parent_rectangle.get_y();
+}
+
+double
+PortMatrixColumnLabels::parent_to_component_y (double y) const
+{
+       /* Column labels don't scroll vertically, so y conversion does not depend on yoffset */
+       return y - _parent_rectangle.get_y();
+}
+
+void
+PortMatrixColumnLabels::mouseover_changed (list<PortMatrixNode> const &)
+{
+       list<PortMatrixNode> const m = _body->mouseover ();
+       for (list<PortMatrixNode>::const_iterator i = m.begin(); i != m.end(); ++i) {
+
+               ARDOUR::BundleChannel c = i->column;
+               ARDOUR::BundleChannel r = i->row;
+
+               if (PortMatrix::bundle_with_channels (c.bundle) && PortMatrix::bundle_with_channels (r.bundle)) {
+                       add_channel_highlight (c);
+               } else if (c.bundle) {
+                       _body->highlight_associated_channels (_matrix->column_index(), c);
+               }
+       }
+}
+
+vector<pair<double, double> >
+PortMatrixColumnLabels::port_name_shape (double xoff, double yoff) const
+{
+       vector<pair<double, double> > shape;
+
+       double const lc = _longest_channel_name + name_pad();
+       double const w = grid_spacing();
+
+       if (_matrix->arrangement() == PortMatrix::LEFT_TO_BOTTOM) {
+
+               double x_ = xoff + _height / tan (angle()) + w;
+               double y_ = yoff;
+               shape.push_back (make_pair (x_, y_));
                x_ -= w;
-               cairo_line_to (cr, x_, y_);
-               cairo_line_to (cr, x, _height);
-               cairo_fill_preserve (cr);
-               set_source_rgb (cr, background_colour());
-               cairo_set_line_width (cr, label_border_width());
-               cairo_stroke (cr);
-
-               set_source_rgb (cr, text_colour());
-
-
-               if (_location == TOP) {
-                       
-                       double const rl = 3 * name_pad() + _longest_channel_name;
-                       cairo_move_to (
-                               cr,
-                               x + basic_text_x_pos (0) + rl * cos (angle()),
-                               _height - rl * sin (angle())
-                               );
-                       
-               } else if (_location == BOTTOM) {
+               shape.push_back (make_pair (x_, y_));
+               x_ -= lc * cos (angle());
+               y_ += lc * sin (angle());
+               shape.push_back (make_pair (x_, y_));
+               x_ += w * pow (sin (angle()), 2);
+               y_ += w * sin (angle()) * cos (angle());
+               shape.push_back (make_pair (x_, y_));
+
+       } else {
+
+               double x_ = xoff;
+               double y_ = yoff + _height;
+               shape.push_back (make_pair (x_, y_));
+               x_ += w;
+               shape.push_back (make_pair (x_, y_));
+               x_ += lc * cos (angle());
+               y_ -= lc * sin (angle());
+               shape.push_back (make_pair (x_, y_));
+               x_ -= grid_spacing() * pow (sin (angle()), 2);
+               y_ -= grid_spacing() * sin (angle()) * cos (angle());
+               shape.push_back (make_pair (x_, y_));
+       }
 
-                       cairo_move_to (
-                               cr,
-                               x + basic_text_x_pos (0),
-                               _height - name_pad() * sin (angle())
-                               );
+       return shape;
+}
+
+void
+PortMatrixColumnLabels::render_bundle_name (
+       cairo_t* cr, Gdk::Color fg_colour, Gdk::Color bg_colour, double xoff, double yoff, boost::shared_ptr<ARDOUR::Bundle> b
+       )
+{
+       set_source_rgb (cr, bg_colour);
+
+       double w = 0;
+       if (_matrix->show_only_bundles()) {
+               w = grid_spacing ();
+       } else {
+               w = _matrix->count_of_our_type_min_1 (b->nchannels()) * grid_spacing();
+       }
+
+       double x_ = xoff;
+
+       uint32_t y = yoff;
+       y += _height;
+
+       double y_ = y;
+       cairo_move_to (cr, x_, y_);
+       x_ += w;
+       cairo_line_to (cr, x_, y_);
+       x_ += _height / tan (angle ());
+       y_ -= _height;
+       cairo_line_to (cr, x_, y_);
+       x_ -= w;
+       cairo_line_to (cr, x_, y_);
+       cairo_line_to (cr, xoff, y);
+       cairo_fill_preserve (cr);
+       set_source_rgb (cr, fg_colour);
+       cairo_set_line_width (cr, label_border_width());
+       cairo_stroke (cr);
+
+       Gdk::Color textcolor;
+       ARDOUR_UI_UTILS::set_color_from_rgba(textcolor, ArdourCanvas::contrasting_text_color(ARDOUR_UI_UTILS::gdk_color_to_rgba(bg_colour)));
+       set_source_rgb (cr, textcolor);
+
+       double const q = ((grid_spacing() * sin (angle())) - _text_height) / 2 + _descender_height;
+
+       if (_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT) {
+
+               double rl = 0;
+               if (_matrix->show_only_bundles()) {
+                       rl = name_pad();
+               } else {
+                       rl = 3 * name_pad() + _longest_channel_name;
                }
-                       
+               cairo_move_to (
+                       cr,
+                       xoff + grid_spacing() - q * sin (angle ()) + rl * cos (angle()),
+                       yoff + _height - q * cos (angle ()) - rl * sin (angle())
+                       );
+
+       } else {
+
+               cairo_move_to (
+                       cr,
+                       xoff + grid_spacing() - q * sin (angle ()),
+                       yoff + _height - q * cos (angle ())
+                       );
+       }
+
+       cairo_save (cr);
+       cairo_rotate (cr, -angle());
+       cairo_show_text (cr, b->name().c_str());
+       cairo_restore (cr);
+}
+
+void
+PortMatrixColumnLabels::render_channel_name (
+       cairo_t* cr, Gdk::Color fg_colour, Gdk::Color bg_colour, double xoff, double yoff, ARDOUR::BundleChannel const &bc
+       )
+{
+       vector<pair<double, double> > const shape = port_name_shape (xoff, yoff);
+
+       cairo_move_to (cr, shape[0].first, shape[0].second);
+       for (uint32_t i = 1; i < 4; ++i) {
+               cairo_line_to (cr, shape[i].first, shape[i].second);
+       }
+       cairo_line_to (cr, shape[0].first, shape[0].second);
+
+       set_source_rgb (cr, bg_colour);
+       cairo_fill_preserve (cr);
+       set_source_rgb (cr, fg_colour);
+       cairo_set_line_width (cr, label_border_width());
+       cairo_stroke (cr);
+
+       Gdk::Color textcolor;
+       ARDOUR_UI_UTILS::set_color_from_rgba(textcolor, ArdourCanvas::contrasting_text_color(ARDOUR_UI_UTILS::gdk_color_to_rgba(bg_colour)));
+       set_source_rgb (cr, textcolor);
+
+       double const q = ((grid_spacing() * sin (angle())) - _text_height) / 2 + _descender_height;
+
+       if (_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT) {
+
+               cairo_move_to (
+                       cr,
+                       xoff + grid_spacing() - q * sin (angle ()),
+                       yoff + _height - q * cos (angle ())
+                       );
+
+
+       } else {
+
+               double const rl = 3 * name_pad() + _longest_bundle_name;
+               cairo_move_to (
+                       cr,
+                       xoff + grid_spacing() - q * sin (angle ()) + rl * cos (angle ()),
+                       yoff + _height - q * cos (angle ()) - rl * sin (angle())
+                       );
+       }
+
+       if (_matrix->count_of_our_type (bc.bundle->nchannels()) > 1) {
+
+               /* only plot the name if the bundle has more than one channel;
+                  the name of a single channel is assumed to be redundant */
+
                cairo_save (cr);
                cairo_rotate (cr, -angle());
-               cairo_show_text (cr, (*i)->name().c_str());
+
+               cairo_show_text (
+                       cr,
+                       bc.bundle->channel_name(bc.channel).c_str()
+                       );
+
                cairo_restore (cr);
-               
-               x += (*i)->nchannels () * column_width();
        }
-       
+}
 
-       /* PORT NAMES */
+double
+PortMatrixColumnLabels::channel_x (ARDOUR::BundleChannel const &bc) const
+{
+       return channel_to_position (bc, _matrix->visible_columns()) * grid_spacing ();
+}
 
-       x = 0;
-       for (std::vector<boost::shared_ptr<ARDOUR::Bundle> >::const_iterator i = _body->column_bundles().begin(); i != _body->column_bundles().end(); ++i) {
-               
-               for (uint32_t j = 0; j < (*i)->nchannels(); ++j) {
-
-                       double const lc = _longest_channel_name + name_pad();
-                       double const w = column_width();
-
-                       if (_location == BOTTOM) {
-
-                               double x_ = x + _height / tan (angle()) + w;
-                               double const ix = x_;
-                               double y_ = 0;
-                               cairo_move_to (cr, x_, y_);
-                               x_ -= w;
-                               cairo_line_to (cr, x_, y_);
-                               x_ -= lc * cos (angle());
-                               y_ += lc * sin (angle());
-                               cairo_line_to (cr, x_, y_);
-                               x_ += w * pow (sin (angle()), 2);
-                               y_ += w * sin (angle()) * cos (angle());
-                               cairo_line_to (cr, x_, y_);
-                               cairo_line_to (cr, ix, 0);
-
-                       } else if (_location == TOP) {
-
-                               double x_ = x;
-                               double y_ = _height;
-                               cairo_move_to (cr, x_, y_);
-                               x_ += w;
-                               cairo_line_to (cr, x_, y_);
-                               x_ += lc * cos (angle());
-                               y_ -= lc * sin (angle());
-                               cairo_line_to (cr, x_, y_);
-                               x_ -= column_width() * pow (sin (angle()), 2);
-                               y_ -= column_width() * sin (angle()) * cos (angle());
-                               cairo_line_to (cr, x_, y_);
-                               cairo_line_to (cr, x, _height);
+double
+PortMatrixColumnLabels::channel_y (ARDOUR::BundleChannel const &) const
+{
+       return 0;
+}
 
-                       }
+void
+PortMatrixColumnLabels::queue_draw_for (ARDOUR::BundleChannel const & bc)
+{
+       if (!bc.bundle) {
+               return;
+       }
 
-                       Gdk::Color colour = get_a_bundle_colour (i - _body->column_bundles().begin());
-                       set_source_rgb (cr, colour);
-                       cairo_fill_preserve (cr);
-                       set_source_rgb (cr, background_colour());
-                       cairo_set_line_width (cr, label_border_width());
-                       cairo_stroke (cr);
+       if (_matrix->show_only_bundles()) {
 
-                       set_source_rgb (cr, text_colour());
+               _body->queue_draw_area (
+                       component_to_parent_x (channel_x (bc)) - 1,
+                       component_to_parent_y (0) - 1,
+                       grid_spacing() + _height * tan (angle()) + 2,
+                       _height + 2
+                       );
 
-                       if (_location == TOP) {
-                               cairo_move_to (cr, x + basic_text_x_pos(j), _height - name_pad() * sin (angle()));
-                       } else if (_location == BOTTOM) {
-                               double const rl = 3 * name_pad() + _longest_bundle_name;
-                               cairo_move_to (cr, x + basic_text_x_pos(j) + rl * cos (angle ()), _height - rl * sin (angle()));
-                       }
-                       
-                       cairo_save (cr);
-                       cairo_rotate (cr, -angle());
+       } else {
 
-                       cairo_show_text (
-                               cr,
-                               (*i)->channel_name(j).c_str()
+               double const x = channel_x (bc);
+               double const lc = _longest_channel_name + name_pad();
+               double const h = lc * sin (angle ()) + grid_spacing() * sin (angle()) * cos (angle());
+
+               if (_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT) {
+
+                       _body->queue_draw_area (
+                               component_to_parent_x (x) - 1,
+                               component_to_parent_y (_height - h) - 1,
+                               grid_spacing() + lc * cos (angle()) + 2,
+                               h + 2
+                               );
+
+               } else if (_matrix->arrangement() == PortMatrix::LEFT_TO_BOTTOM) {
+
+                       double const x_ = x + _height / tan (angle()) - lc * cos (angle());
+
+                       _body->queue_draw_area (
+                               component_to_parent_x (x_) - 1,
+                               component_to_parent_y (0) - 1,
+                               grid_spacing() + lc * cos (angle()) + 2,
+                               h + 2
                                );
-                       
-                       cairo_restore (cr);
 
-                       x += column_width();
                }
+
+       }
+}
+
+ARDOUR::BundleChannel
+PortMatrixColumnLabels::position_to_channel (double p, double o, boost::shared_ptr<const PortGroup> group) const
+{
+       uint32_t const cx = p - (_height - o) * tan (angle ());
+       return PortMatrixComponent::position_to_channel (cx, o, group);
+}
+
+void
+PortMatrixColumnLabels::button_press (double x, double y, GdkEventButton* ev)
+{
+       ARDOUR::BundleChannel w = position_to_channel (x, y, _matrix->visible_columns());
+
+       if (
+               (_matrix->arrangement() == PortMatrix::LEFT_TO_BOTTOM && y > (_height - _longest_bundle_name * sin (angle ()))) ||
+               (_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT && y < (_longest_bundle_name * sin (angle ())))
+               ) {
+
+               w.channel = -1;
+       }
+
+       if (Gtkmm2ext::Keyboard::is_delete_event (ev) && w.channel != -1) {
+               _matrix->remove_channel (w);
+       } else if (ev->button == 3) {
+               _matrix->popup_menu (
+                       w,
+                       ARDOUR::BundleChannel (),
+                       ev->time
+                       );
        }
 }
 
+void
+PortMatrixColumnLabels::motion (double x, double y)
+{
+       ARDOUR::BundleChannel const w = position_to_channel (x, y, _matrix->visible_columns());
+
+       if (w.bundle == 0) {
+               _body->set_mouseover (PortMatrixNode ());
+               return;
+       }
+
+       uint32_t const bh = _longest_channel_name * sin (angle ()) + _text_height / cos (angle ());
+
+       if (
+               (_matrix->arrangement() == PortMatrix::LEFT_TO_BOTTOM && y > bh) ||
+               (_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT && y < (_height - bh))
+               ) {
+
+               /* if the mouse is over a bundle name, highlight all channels in the bundle */
+
+               list<PortMatrixNode> n;
+
+               for (uint32_t i = 0; i < w.bundle->nchannels().n_total(); ++i) {
+                       if (!_matrix->should_show (w.bundle->channel_type (i))) {
+                               continue;
+                       }
+
+                       ARDOUR::BundleChannel const bc (w.bundle, i);
+                       n.push_back (PortMatrixNode (ARDOUR::BundleChannel (), bc));
+               }
+
+               _body->set_mouseover (n);
+
+       } else {
+
+               _body->set_mouseover (PortMatrixNode (ARDOUR::BundleChannel (), w));
+       }
+}