ee42a6dd97
Rework signal handling for bundles so that all changes should now be noticed by port matrices. git-svn-id: svn://localhost/ardour2/branches/3.0@4501 d708f5d6-7413-0410-9779-e7cbd77b26cf
311 lines
8.0 KiB
C++
311 lines
8.0 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 <boost/weak_ptr.hpp>
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#include <cairo/cairo.h>
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#include "ardour/bundle.h"
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#include "port_matrix_row_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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PortMatrixRowLabels::PortMatrixRowLabels (PortMatrix* m, PortMatrixBody* b)
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: PortMatrixLabels (m, b)
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{
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}
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void
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PortMatrixRowLabels::compute_dimensions ()
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{
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GdkPixmap* pm = gdk_pixmap_new (NULL, 1, 1, 24);
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gdk_drawable_set_colormap (pm, gdk_colormap_get_system());
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cairo_t* cr = gdk_cairo_create (pm);
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_longest_port_name = 0;
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_longest_bundle_name = 0;
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_height = 0;
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ARDOUR::BundleList const r = _matrix->rows()->bundles();
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for (ARDOUR::BundleList::const_iterator i = r.begin(); i != r.end(); ++i) {
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for (uint32_t j = 0; j < (*i)->nchannels(); ++j) {
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cairo_text_extents_t ext;
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cairo_text_extents (cr, (*i)->channel_name(j).c_str(), &ext);
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if (ext.width > _longest_port_name) {
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_longest_port_name = ext.width;
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}
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}
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cairo_text_extents_t ext;
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cairo_text_extents (cr, (*i)->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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_height += (*i)->nchannels() * row_height();
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}
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_highest_group_name = 0;
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for (PortGroupList::List::const_iterator i = _matrix->rows()->begin(); i != _matrix->rows()->end(); ++i) {
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if ((*i)->visible()) {
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cairo_text_extents_t ext;
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cairo_text_extents (cr, (*i)->name.c_str(), &ext);
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if (ext.height > _highest_group_name) {
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_highest_group_name = ext.height;
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}
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}
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}
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cairo_destroy (cr);
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gdk_pixmap_unref (pm);
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_width = _highest_group_name +
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_longest_port_name +
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_longest_bundle_name +
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name_pad() * 6;
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}
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void
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PortMatrixRowLabels::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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/* PORT GROUP NAMES */
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double x = 0;
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if (_matrix->arrangement() == PortMatrix::LEFT_TO_BOTTOM) {
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x = 0;
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} else {
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x = _width - _highest_group_name - 2 * name_pad();
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}
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double y = 0;
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int g = 0;
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for (PortGroupList::List::const_iterator i = _matrix->rows()->begin(); i != _matrix->rows()->end(); ++i) {
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if (!(*i)->visible() || (*i)->bundles().empty()) {
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continue;
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}
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/* compute height of this group */
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double h = (*i)->total_channels () * row_height();
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/* rectangle */
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set_source_rgb (cr, get_a_group_colour (g));
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double const rw = _highest_group_name + 2 * name_pad();
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cairo_rectangle (cr, x, y, rw, h);
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cairo_fill (cr);
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/* hence what abbreviation (or not) we need for the group name */
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std::pair<std::string, double> display = display_port_name (cr, (*i)->name, h);
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/* plot it */
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set_source_rgb (cr, text_colour());
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cairo_move_to (cr, x + rw - name_pad(), y + (h + display.second) / 2);
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cairo_save (cr);
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cairo_rotate (cr, - M_PI / 2);
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cairo_show_text (cr, display.first.c_str());
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cairo_restore (cr);
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y += h;
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++g;
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}
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/* BUNDLE NAMES */
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x = 0;
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if (_matrix->arrangement() == PortMatrix::LEFT_TO_BOTTOM) {
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x = _highest_group_name + 2 * name_pad();
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} else {
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x = _longest_port_name + name_pad() * 2;
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}
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y = 0;
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ARDOUR::BundleList const r = _matrix->rows()->bundles();
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for (ARDOUR::BundleList::const_iterator i = r.begin(); i != r.end(); ++i) {
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Gdk::Color const colour = get_a_bundle_colour (i - r.begin ());
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set_source_rgb (cr, colour);
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cairo_rectangle (cr, x, y, _longest_bundle_name + name_pad() * 2, row_height() * (*i)->nchannels());
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cairo_fill_preserve (cr);
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set_source_rgb (cr, background_colour());
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cairo_set_line_width (cr, label_border_width ());
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cairo_stroke (cr);
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double off = 0;
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if ((*i)->nchannels () > 0) {
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/* use the extent of our first channel name so that the bundle name is vertically aligned with it */
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cairo_text_extents_t ext;
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cairo_text_extents (cr, (*i)->channel_name(0).c_str(), &ext);
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off = (row_height() - ext.height) / 2;
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} else {
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off = row_height() / 2;
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}
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set_source_rgb (cr, text_colour());
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cairo_move_to (cr, x + name_pad(), y + name_pad() + off);
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cairo_show_text (cr, (*i)->name().c_str());
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y += row_height() * (*i)->nchannels ();
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}
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/* PORT NAMES */
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y = 0;
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for (ARDOUR::BundleList::const_iterator i = r.begin(); i != r.end(); ++i) {
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for (uint32_t j = 0; j < (*i)->nchannels(); ++j) {
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render_channel_name (cr, get_a_bundle_colour (i - r.begin()), 0, y, ARDOUR::BundleChannel (*i, j));
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y += row_height();
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}
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}
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}
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void
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PortMatrixRowLabels::button_press (double x, double y, int b, uint32_t t)
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{
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switch (b) {
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case 1:
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_body->highlight_associated_channels (_matrix->row_index(), y / row_height ());
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break;
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case 3:
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maybe_popup_context_menu (x, y, t);
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break;
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}
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}
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void
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PortMatrixRowLabels::maybe_popup_context_menu (double x, double y, uint32_t t)
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{
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if ( (_matrix->arrangement() == PortMatrix::LEFT_TO_BOTTOM && x > (_longest_bundle_name + name_pad() * 2)) ||
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(_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT && x < (_longest_port_name + name_pad() * 2))
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) {
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_matrix->popup_channel_context_menu (_matrix->row_index(), y / row_height(), t);
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}
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}
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double
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PortMatrixRowLabels::component_to_parent_x (double x) const
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{
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return x + _parent_rectangle.get_x();
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}
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double
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PortMatrixRowLabels::parent_to_component_x (double x) const
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{
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return x - _parent_rectangle.get_x();
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}
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double
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PortMatrixRowLabels::component_to_parent_y (double y) const
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{
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return y - _body->yoffset() + _parent_rectangle.get_y();
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}
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double
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PortMatrixRowLabels::parent_to_component_y (double y) const
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{
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return y + _body->yoffset() - _parent_rectangle.get_y();
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}
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double
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PortMatrixRowLabels::port_name_x () const
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{
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if (_matrix->arrangement() == PortMatrix::LEFT_TO_BOTTOM) {
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return _longest_bundle_name + _highest_group_name + name_pad() * 4;
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} else {
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return 0;
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}
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return 0;
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}
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void
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PortMatrixRowLabels::render_channel_name (
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cairo_t* cr, Gdk::Color colour, double xoff, double yoff, ARDOUR::BundleChannel const& bc
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)
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{
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set_source_rgb (cr, colour);
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cairo_rectangle (cr, port_name_x() + xoff, yoff, _longest_port_name + name_pad() * 2, row_height());
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cairo_fill_preserve (cr);
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set_source_rgb (cr, background_colour());
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cairo_set_line_width (cr, label_border_width ());
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cairo_stroke (cr);
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cairo_text_extents_t ext;
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cairo_text_extents (cr, bc.bundle->channel_name(bc.channel).c_str(), &ext);
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double const off = (row_height() - ext.height) / 2;
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set_source_rgb (cr, text_colour());
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cairo_move_to (cr, port_name_x() + xoff + name_pad(), yoff + name_pad() + off);
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cairo_show_text (cr, bc.bundle->channel_name(bc.channel).c_str());
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}
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double
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PortMatrixRowLabels::channel_x (ARDOUR::BundleChannel const& bc) const
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{
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return 0;
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}
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double
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PortMatrixRowLabels::channel_y (ARDOUR::BundleChannel const& bc) const
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{
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uint32_t n = 0;
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ARDOUR::BundleList::const_iterator i = _matrix->rows()->bundles().begin();
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while (i != _matrix->rows()->bundles().end() && *i != bc.bundle) {
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n += (*i)->nchannels ();
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++i;
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}
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n += bc.channel;
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return n * row_height();
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}
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void
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PortMatrixRowLabels::queue_draw_for (ARDOUR::BundleChannel const & bc)
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{
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if (bc.bundle) {
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_body->queue_draw_area (
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component_to_parent_x (port_name_x()),
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component_to_parent_y (channel_y (bc)),
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_longest_port_name + name_pad() * 2,
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row_height()
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);
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}
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}
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void
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PortMatrixRowLabels::mouseover_changed (PortMatrixNode const &)
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{
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clear_channel_highlights ();
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if (_body->mouseover().row.bundle) {
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add_channel_highlight (_body->mouseover().row);
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}
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}
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