513 lines
13 KiB
C++
513 lines
13 KiB
C++
/*
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Copyright (C) 2002-2009 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <iostream>
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#include "gtkmm2ext/keyboard.h"
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#include "ardour/bundle.h"
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#include "port_matrix_column_labels.h"
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#include "port_matrix.h"
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#include "port_matrix_body.h"
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#include "i18n.h"
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using namespace std;
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PortMatrixColumnLabels::PortMatrixColumnLabels (PortMatrix* m, PortMatrixBody* b)
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: PortMatrixLabels (m, b),
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_overhang (0)
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{
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}
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void
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PortMatrixColumnLabels::compute_dimensions ()
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{
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cairo_surface_t* surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, 200, 200);
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cairo_t* cr = cairo_create (surface);
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/* width of the longest bundle name */
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_longest_bundle_name = 0;
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/* width of the longest channel name */
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_longest_channel_name = 0;
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/* Compute dimensions using all port groups, so that we allow for the largest and hence
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we can change between visible groups without the size of the labels jumping around.
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*/
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for (PortGroupList::List::const_iterator i = _matrix->columns()->begin(); i != _matrix->columns()->end(); ++i) {
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PortGroup::BundleList const c = _matrix->columns()->bundles();
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for (PortGroup::BundleList::const_iterator j = c.begin (); j != c.end(); ++j) {
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cairo_text_extents_t ext;
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cairo_text_extents (cr, (*j)->bundle->name().c_str(), &ext);
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if (ext.width > _longest_bundle_name) {
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_longest_bundle_name = ext.width;
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}
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for (uint32_t k = 0; k < (*j)->bundle->nchannels().n_total(); ++k) {
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if (!_matrix->should_show ((*j)->bundle->channel_type(k))) {
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continue;
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}
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cairo_text_extents (
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cr,
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(*j)->bundle->channel_name (k).c_str(),
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&ext
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);
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if (ext.width > _longest_channel_name) {
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_longest_channel_name = ext.width;
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}
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}
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}
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}
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/* height metrics */
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cairo_text_extents_t ext;
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cairo_text_extents (cr, X_("AQRjpy"), &ext);
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_text_height = ext.height;
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_descender_height = ext.height + ext.y_bearing;
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/* width of the whole thing */
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if (_matrix->visible_columns()) {
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_width = group_size (_matrix->visible_columns()) * grid_spacing ();
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} else {
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_width = 0;
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}
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cairo_destroy (cr);
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cairo_surface_destroy (surface);
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/* height of the whole thing */
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int a = _longest_bundle_name + 4 * name_pad();
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if (!_matrix->show_only_bundles()) {
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a += _longest_channel_name;
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}
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_height = a * sin (angle()) + _text_height * cos (angle());
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_overhang = _height / tan (angle ());
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_width += _overhang;
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}
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double
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PortMatrixColumnLabels::basic_text_x_pos (int) const
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{
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return grid_spacing() / 2 +
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_text_height / (2 * sin (angle ()));
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}
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void
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PortMatrixColumnLabels::render (cairo_t* cr)
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{
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/* BACKGROUND */
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set_source_rgb (cr, background_colour());
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cairo_rectangle (cr, 0, 0, _width, _height);
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cairo_fill (cr);
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/* BUNDLE PARALLELOGRAM-TYPE-THING AND NAME */
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double x = 0;
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int N = 0;
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PortGroup::BundleList const & bundles = _matrix->visible_columns()->bundles ();
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for (PortGroup::BundleList::const_iterator i = bundles.begin (); i != bundles.end(); ++i) {
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Gdk::Color c = (*i)->has_colour ? (*i)->colour : get_a_bundle_colour (N);
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render_bundle_name (cr, background_colour (), c, x, 0, (*i)->bundle);
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if (_matrix->show_only_bundles()) {
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x += grid_spacing();
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} else {
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x += _matrix->count_of_our_type_min_1 ((*i)->bundle->nchannels()) * grid_spacing();
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}
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++N;
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}
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/* PORT NAMES */
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if (!_matrix->show_only_bundles()) {
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x = 0;
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N = 0;
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for (PortGroup::BundleList::const_iterator i = bundles.begin (); i != bundles.end(); ++i) {
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uint32_t const C = _matrix->count_of_our_type ((*i)->bundle->nchannels ());
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for (uint32_t j = 0; j < C; ++j) {
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Gdk::Color c = (*i)->has_colour ? (*i)->colour : get_a_bundle_colour (N);
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ARDOUR::BundleChannel bc (
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(*i)->bundle,
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(*i)->bundle->type_channel_to_overall (_matrix->type (), j)
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);
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render_channel_name (cr, background_colour (), c, x, 0, bc);
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x += grid_spacing();
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}
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if (C == 0) {
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x += grid_spacing ();
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}
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++N;
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}
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}
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}
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double
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PortMatrixColumnLabels::component_to_parent_x (double x) const
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{
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return x - _body->xoffset() + _parent_rectangle.get_x();
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}
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double
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PortMatrixColumnLabels::parent_to_component_x (double x) const
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{
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return x + _body->xoffset() - _parent_rectangle.get_x();
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}
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double
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PortMatrixColumnLabels::component_to_parent_y (double y) const
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{
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/* Column labels don't scroll vertically, so y conversion does not depend on yoffset */
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return y + _parent_rectangle.get_y();
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}
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double
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PortMatrixColumnLabels::parent_to_component_y (double y) const
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{
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/* Column labels don't scroll vertically, so y conversion does not depend on yoffset */
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return y - _parent_rectangle.get_y();
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}
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void
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PortMatrixColumnLabels::mouseover_changed (list<PortMatrixNode> const &)
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{
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list<PortMatrixNode> const m = _body->mouseover ();
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for (list<PortMatrixNode>::const_iterator i = m.begin(); i != m.end(); ++i) {
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ARDOUR::BundleChannel c = i->column;
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ARDOUR::BundleChannel r = i->row;
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if (PortMatrix::bundle_with_channels (c.bundle) && PortMatrix::bundle_with_channels (r.bundle)) {
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add_channel_highlight (c);
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} else if (c.bundle) {
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_body->highlight_associated_channels (_matrix->column_index(), c);
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}
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}
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}
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vector<pair<double, double> >
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PortMatrixColumnLabels::port_name_shape (double xoff, double yoff) const
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{
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vector<pair<double, double> > shape;
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double const lc = _longest_channel_name + name_pad();
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double const w = grid_spacing();
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if (_matrix->arrangement() == PortMatrix::LEFT_TO_BOTTOM) {
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double x_ = xoff + _height / tan (angle()) + w;
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double y_ = yoff;
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shape.push_back (make_pair (x_, y_));
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x_ -= w;
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shape.push_back (make_pair (x_, y_));
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x_ -= lc * cos (angle());
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y_ += lc * sin (angle());
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shape.push_back (make_pair (x_, y_));
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x_ += w * pow (sin (angle()), 2);
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y_ += w * sin (angle()) * cos (angle());
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shape.push_back (make_pair (x_, y_));
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} else {
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double x_ = xoff;
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double y_ = yoff + _height;
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shape.push_back (make_pair (x_, y_));
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x_ += w;
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shape.push_back (make_pair (x_, y_));
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x_ += lc * cos (angle());
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y_ -= lc * sin (angle());
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shape.push_back (make_pair (x_, y_));
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x_ -= grid_spacing() * pow (sin (angle()), 2);
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y_ -= grid_spacing() * sin (angle()) * cos (angle());
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shape.push_back (make_pair (x_, y_));
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}
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return shape;
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}
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void
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PortMatrixColumnLabels::render_bundle_name (
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cairo_t* cr, Gdk::Color fg_colour, Gdk::Color bg_colour, double xoff, double yoff, boost::shared_ptr<ARDOUR::Bundle> b
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)
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{
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set_source_rgb (cr, bg_colour);
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double w = 0;
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if (_matrix->show_only_bundles()) {
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w = grid_spacing ();
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} else {
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w = _matrix->count_of_our_type_min_1 (b->nchannels()) * grid_spacing();
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}
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double x_ = xoff;
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uint32_t y = yoff;
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y += _height;
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double y_ = y;
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cairo_move_to (cr, x_, y_);
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x_ += w;
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cairo_line_to (cr, x_, y_);
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x_ += _height / tan (angle ());
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y_ -= _height;
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cairo_line_to (cr, x_, y_);
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x_ -= w;
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cairo_line_to (cr, x_, y_);
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cairo_line_to (cr, xoff, y);
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cairo_fill_preserve (cr);
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set_source_rgb (cr, fg_colour);
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cairo_set_line_width (cr, label_border_width());
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cairo_stroke (cr);
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set_source_rgb (cr, text_colour());
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double const q = ((grid_spacing() * sin (angle())) - _text_height) / 2 + _descender_height;
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if (_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT) {
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double rl = 0;
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if (_matrix->show_only_bundles()) {
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rl = name_pad();
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} else {
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rl = 3 * name_pad() + _longest_channel_name;
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}
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cairo_move_to (
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cr,
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xoff + grid_spacing() - q * sin (angle ()) + rl * cos (angle()),
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yoff + _height - q * cos (angle ()) - rl * sin (angle())
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);
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} else {
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cairo_move_to (
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cr,
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xoff + grid_spacing() - q * sin (angle ()),
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yoff + _height - q * cos (angle ())
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);
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}
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cairo_save (cr);
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cairo_rotate (cr, -angle());
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cairo_show_text (cr, b->name().c_str());
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cairo_restore (cr);
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}
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void
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PortMatrixColumnLabels::render_channel_name (
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cairo_t* cr, Gdk::Color fg_colour, Gdk::Color bg_colour, double xoff, double yoff, ARDOUR::BundleChannel const &bc
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)
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{
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vector<pair<double, double> > const shape = port_name_shape (xoff, yoff);
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cairo_move_to (cr, shape[0].first, shape[0].second);
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for (uint32_t i = 1; i < 4; ++i) {
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cairo_line_to (cr, shape[i].first, shape[i].second);
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}
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cairo_line_to (cr, shape[0].first, shape[0].second);
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set_source_rgb (cr, bg_colour);
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cairo_fill_preserve (cr);
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set_source_rgb (cr, fg_colour);
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cairo_set_line_width (cr, label_border_width());
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cairo_stroke (cr);
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set_source_rgb (cr, text_colour());
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double const q = ((grid_spacing() * sin (angle())) - _text_height) / 2 + _descender_height;
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if (_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT) {
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cairo_move_to (
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cr,
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xoff + grid_spacing() - q * sin (angle ()),
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yoff + _height - q * cos (angle ())
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);
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} else {
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double const rl = 3 * name_pad() + _longest_bundle_name;
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cairo_move_to (
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cr,
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xoff + grid_spacing() - q * sin (angle ()) + rl * cos (angle ()),
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yoff + _height - q * cos (angle ()) - rl * sin (angle())
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);
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}
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if (_matrix->count_of_our_type (bc.bundle->nchannels()) > 1) {
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/* only plot the name if the bundle has more than one channel;
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the name of a single channel is assumed to be redundant */
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cairo_save (cr);
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cairo_rotate (cr, -angle());
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cairo_show_text (
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cr,
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bc.bundle->channel_name(bc.channel).c_str()
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);
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cairo_restore (cr);
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}
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}
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double
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PortMatrixColumnLabels::channel_x (ARDOUR::BundleChannel const &bc) const
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{
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return channel_to_position (bc, _matrix->visible_columns()) * grid_spacing ();
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}
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double
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PortMatrixColumnLabels::channel_y (ARDOUR::BundleChannel const &) const
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{
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return 0;
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}
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void
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PortMatrixColumnLabels::queue_draw_for (ARDOUR::BundleChannel const & bc)
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{
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if (!bc.bundle) {
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return;
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}
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if (_matrix->show_only_bundles()) {
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_body->queue_draw_area (
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component_to_parent_x (channel_x (bc)) - 1,
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component_to_parent_y (0) - 1,
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grid_spacing() + _height * tan (angle()) + 2,
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_height + 2
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);
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} else {
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double const x = channel_x (bc);
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double const lc = _longest_channel_name + name_pad();
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double const h = lc * sin (angle ()) + grid_spacing() * sin (angle()) * cos (angle());
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if (_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT) {
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_body->queue_draw_area (
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component_to_parent_x (x) - 1,
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component_to_parent_y (_height - h) - 1,
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grid_spacing() + lc * cos (angle()) + 2,
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h + 2
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);
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} else if (_matrix->arrangement() == PortMatrix::LEFT_TO_BOTTOM) {
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double const x_ = x + _height / tan (angle()) - lc * cos (angle());
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_body->queue_draw_area (
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component_to_parent_x (x_) - 1,
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component_to_parent_y (0) - 1,
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grid_spacing() + lc * cos (angle()) + 2,
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h + 2
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);
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}
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}
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}
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ARDOUR::BundleChannel
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PortMatrixColumnLabels::position_to_channel (double p, double o, boost::shared_ptr<const PortGroup> group) const
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{
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uint32_t const cx = p - (_height - o) * tan (angle ());
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return PortMatrixComponent::position_to_channel (cx, o, group);
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}
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void
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PortMatrixColumnLabels::button_press (double x, double y, GdkEventButton* ev)
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{
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ARDOUR::BundleChannel w = position_to_channel (x, y, _matrix->visible_columns());
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if (
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(_matrix->arrangement() == PortMatrix::LEFT_TO_BOTTOM && y > (_height - _longest_bundle_name * sin (angle ()))) ||
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(_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT && y < (_longest_bundle_name * sin (angle ())))
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) {
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w.channel = -1;
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}
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if (Gtkmm2ext::Keyboard::is_delete_event (ev) && w.channel != -1) {
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_matrix->remove_channel (w);
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} else if (ev->button == 3) {
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_matrix->popup_menu (
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w,
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ARDOUR::BundleChannel (),
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ev->time
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);
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}
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}
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void
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PortMatrixColumnLabels::motion (double x, double y)
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{
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ARDOUR::BundleChannel const w = position_to_channel (x, y, _matrix->visible_columns());
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if (w.bundle == 0) {
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_body->set_mouseover (PortMatrixNode ());
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return;
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}
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uint32_t const bh = _longest_channel_name * sin (angle ()) + _text_height / cos (angle ());
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if (
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(_matrix->arrangement() == PortMatrix::LEFT_TO_BOTTOM && y > bh) ||
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(_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT && y < (_height - bh))
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) {
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/* if the mouse is over a bundle name, highlight all channels in the bundle */
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list<PortMatrixNode> n;
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for (uint32_t i = 0; i < w.bundle->nchannels().n_total(); ++i) {
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if (!_matrix->should_show (w.bundle->channel_type (i))) {
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continue;
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}
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ARDOUR::BundleChannel const bc (w.bundle, i);
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n.push_back (PortMatrixNode (ARDOUR::BundleChannel (), bc));
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}
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_body->set_mouseover (n);
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} else {
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_body->set_mouseover (PortMatrixNode (ARDOUR::BundleChannel (), w));
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}
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}
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