1a44701643
Correctly handle descenders on text when plotting labels. Minor layout improvements. Add some drawings of what's going on in the port matrix so that I don't keep losing them. git-svn-id: svn://localhost/ardour2/branches/3.0@6319 d708f5d6-7413-0410-9779-e7cbd77b26cf
639 lines
15 KiB
C++
639 lines
15 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 <cairo/cairo.h>
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#include "ardour/bundle.h"
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#include "ardour/types.h"
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#include "port_matrix_grid.h"
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#include "port_matrix.h"
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#include "port_matrix_body.h"
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#include "keyboard.h"
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using namespace std;
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using Gtkmm2ext::Keyboard;
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PortMatrixGrid::PortMatrixGrid (PortMatrix* m, PortMatrixBody* b)
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: PortMatrixComponent (m, b),
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_dragging (false),
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_drag_valid (false),
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_moved (false)
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{
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}
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void
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PortMatrixGrid::compute_dimensions ()
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{
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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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if (_matrix->visible_rows()) {
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_height = group_size (_matrix->visible_rows()) * grid_spacing ();
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} else {
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_height = 0;
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}
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}
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void
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PortMatrixGrid::render (cairo_t* cr)
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{
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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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PortGroup::BundleList const & row_bundles = _matrix->visible_rows()->bundles();
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PortGroup::BundleList const & column_bundles = _matrix->visible_columns()->bundles();
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uint32_t x = 0;
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/* VERTICAL GRID LINES */
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set_source_rgb (cr, grid_colour());
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uint32_t N = 0;
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for (PortGroup::BundleList::const_iterator i = column_bundles.begin(); i != column_bundles.end(); ++i) {
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cairo_set_line_width (cr, thick_grid_line_width());
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cairo_move_to (cr, x, 0);
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cairo_line_to (cr, x, _height);
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cairo_stroke (cr);
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if (!_matrix->show_only_bundles()) {
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cairo_set_line_width (cr, thin_grid_line_width());
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for (uint32_t j = 0; j < i->bundle->nchannels(); ++j) {
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x += grid_spacing ();
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cairo_move_to (cr, x, 0);
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cairo_line_to (cr, x, _height);
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cairo_stroke (cr);
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}
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} else {
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x += grid_spacing ();
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}
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++N;
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}
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uint32_t y = 0;
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/* HORIZONTAL GRID LINES */
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N = 0;
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for (PortGroup::BundleList::const_iterator i = row_bundles.begin(); i != row_bundles.end(); ++i) {
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cairo_set_line_width (cr, thick_grid_line_width());
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cairo_move_to (cr, 0, y);
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cairo_line_to (cr, _width, y);
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cairo_stroke (cr);
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if (!_matrix->show_only_bundles()) {
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cairo_set_line_width (cr, thin_grid_line_width());
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for (uint32_t j = 0; j < i->bundle->nchannels(); ++j) {
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y += grid_spacing ();
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cairo_move_to (cr, 0, y);
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cairo_line_to (cr, _width, y);
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cairo_stroke (cr);
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}
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} else {
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y += grid_spacing ();
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}
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++N;
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}
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/* ASSOCIATION INDICATORS */
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uint32_t bx = 0;
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uint32_t by = 0;
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if (_matrix->show_only_bundles()) {
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for (PortGroup::BundleList::const_iterator i = column_bundles.begin(); i != column_bundles.end(); ++i) {
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by = 0;
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for (PortGroup::BundleList::const_iterator j = row_bundles.begin(); j != row_bundles.end(); ++j) {
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PortMatrixNode::State s = get_association (PortMatrixNode (
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ARDOUR::BundleChannel (i->bundle, 0),
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ARDOUR::BundleChannel (j->bundle, 0)
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));
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switch (s) {
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case PortMatrixNode::ASSOCIATED:
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draw_association_indicator (cr, bx, by);
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break;
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case PortMatrixNode::PARTIAL:
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draw_association_indicator (cr, bx, by, 0.5);
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break;
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default:
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break;
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}
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by += grid_spacing();
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}
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bx += grid_spacing();
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}
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} else {
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for (PortGroup::BundleList::const_iterator i = column_bundles.begin(); i != column_bundles.end(); ++i) {
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by = 0;
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for (PortGroup::BundleList::const_iterator j = row_bundles.begin(); j != row_bundles.end(); ++j) {
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x = bx;
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for (uint32_t k = 0; k < i->bundle->nchannels (); ++k) {
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y = by;
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for (uint32_t l = 0; l < j->bundle->nchannels (); ++l) {
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ARDOUR::BundleChannel c[2];
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c[_matrix->column_index()] = ARDOUR::BundleChannel (i->bundle, k);
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c[_matrix->row_index()] = ARDOUR::BundleChannel (j->bundle, l);
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PortMatrixNode::State const s = _matrix->get_state (c);
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switch (s) {
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case PortMatrixNode::ASSOCIATED:
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draw_association_indicator (cr, x, y);
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break;
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case PortMatrixNode::NOT_ASSOCIATED:
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break;
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default:
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break;
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}
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y += grid_spacing();
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}
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x += grid_spacing();
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}
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by += j->bundle->nchannels () * grid_spacing();
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}
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bx += i->bundle->nchannels () * grid_spacing();
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}
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}
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}
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void
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PortMatrixGrid::draw_association_indicator (cairo_t* cr, uint32_t x, uint32_t y, double p)
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{
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set_source_rgba (cr, association_colour(), 0.5);
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cairo_arc (
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cr,
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x + grid_spacing() / 2,
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y + grid_spacing() / 2,
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(grid_spacing() - (2 * connection_indicator_pad())) / 2,
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0,
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p * 2 * M_PI
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);
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cairo_fill (cr);
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}
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void
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PortMatrixGrid::draw_empty_square (cairo_t* cr, uint32_t x, uint32_t y)
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{
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set_source_rgb (cr, background_colour());
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cairo_rectangle (
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cr,
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x + thick_grid_line_width(),
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y + thick_grid_line_width(),
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grid_spacing() - 2 * thick_grid_line_width(),
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grid_spacing() - 2 * thick_grid_line_width()
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);
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cairo_fill (cr);
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}
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PortMatrixNode
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PortMatrixGrid::position_to_node (double x, double y) const
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{
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return PortMatrixNode (
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position_to_channel (y, x, _matrix->visible_rows()),
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position_to_channel (x, y, _matrix->visible_columns())
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);
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}
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void
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PortMatrixGrid::button_press (double x, double y, int b, uint32_t t, guint)
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{
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ARDOUR::BundleChannel const px = position_to_channel (x, y, _matrix->visible_columns());
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ARDOUR::BundleChannel const py = position_to_channel (y, x, _matrix->visible_rows());
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if (b == 1) {
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_dragging = true;
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_drag_valid = (px.bundle && py.bundle);
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_moved = false;
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_drag_start_x = x / grid_spacing ();
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_drag_start_y = y / grid_spacing ();
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} else if (b == 3) {
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_matrix->popup_menu (px, py, t);
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}
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}
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PortMatrixNode::State
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PortMatrixGrid::get_association (PortMatrixNode node) const
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{
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if (_matrix->show_only_bundles()) {
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bool have_off_diagonal_association = false;
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bool have_diagonal_association = false;
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bool have_diagonal_not_association = false;
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for (uint32_t i = 0; i < node.row.bundle->nchannels (); ++i) {
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for (uint32_t j = 0; j < node.column.bundle->nchannels (); ++j) {
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ARDOUR::BundleChannel c[2];
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c[_matrix->column_index()] = ARDOUR::BundleChannel (node.row.bundle, i);
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c[_matrix->row_index()] = ARDOUR::BundleChannel (node.column.bundle, j);
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PortMatrixNode::State const s = _matrix->get_state (c);
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switch (s) {
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case PortMatrixNode::ASSOCIATED:
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if (i == j) {
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have_diagonal_association = true;
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} else {
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have_off_diagonal_association = true;
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}
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break;
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case PortMatrixNode::NOT_ASSOCIATED:
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if (i == j) {
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have_diagonal_not_association = true;
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}
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break;
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default:
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break;
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}
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}
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}
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if (have_diagonal_association && !have_off_diagonal_association && !have_diagonal_not_association) {
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return PortMatrixNode::ASSOCIATED;
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} else if (!have_diagonal_association && !have_off_diagonal_association) {
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return PortMatrixNode::NOT_ASSOCIATED;
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}
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return PortMatrixNode::PARTIAL;
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} else {
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ARDOUR::BundleChannel c[2];
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c[_matrix->column_index()] = node.column;
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c[_matrix->row_index()] = node.row;
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return _matrix->get_state (c);
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}
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/* NOTREACHED */
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return PortMatrixNode::NOT_ASSOCIATED;
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}
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void
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PortMatrixGrid::set_association (PortMatrixNode node, bool s)
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{
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if (_matrix->show_only_bundles()) {
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for (uint32_t i = 0; i < node.column.bundle->nchannels(); ++i) {
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for (uint32_t j = 0; j < node.row.bundle->nchannels(); ++j) {
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ARDOUR::BundleChannel c[2];
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c[_matrix->column_index()] = ARDOUR::BundleChannel (node.column.bundle, i);
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c[_matrix->row_index()] = ARDOUR::BundleChannel (node.row.bundle, j);
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_matrix->set_state (c, s && (i == j));
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}
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}
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} else {
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if (node.row.bundle && node.column.bundle) {
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ARDOUR::BundleChannel c[2];
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c[_matrix->row_index()] = node.row;
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c[_matrix->column_index()] = node.column;
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_matrix->set_state (c, s);
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}
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}
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}
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void
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PortMatrixGrid::button_release (double x, double y, int b, uint32_t /*t*/, guint s)
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{
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if (b == 1) {
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if (x != -1) {
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if (_dragging && _moved) {
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if (_drag_valid) {
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list<PortMatrixNode> const p = nodes_on_line (_drag_start_x, _drag_start_y, _drag_x, _drag_y);
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if (!p.empty()) {
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PortMatrixNode::State const s = get_association (p.front());
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for (list<PortMatrixNode>::const_iterator i = p.begin(); i != p.end(); ++i) {
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set_association (*i, toggle_state (s));
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}
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}
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}
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} else {
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if (Keyboard::modifier_state_equals (s, Keyboard::PrimaryModifier)) {
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/* associate/disassociate things diagonally down and right until we run out */
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PortMatrixNode::State s = (PortMatrixNode::State) 0;
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while (1) {
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PortMatrixNode const n = position_to_node (x, y);
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if (n.row.bundle && n.column.bundle) {
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if (s == (PortMatrixNode::State) 0) {
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s = get_association (n);
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}
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set_association (n, toggle_state (s));
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} else {
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break;
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}
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x += grid_spacing ();
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y += grid_spacing ();
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}
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} else {
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PortMatrixNode const n = position_to_node (x, y);
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if (n.row.bundle && n.column.bundle) {
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PortMatrixNode::State const s = get_association (n);
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set_association (n, toggle_state (s));
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}
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}
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}
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require_render ();
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}
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_body->queue_draw ();
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}
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_dragging = false;
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}
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void
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PortMatrixGrid::draw_extra (cairo_t* cr)
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{
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set_source_rgba (cr, mouseover_line_colour(), 0.3);
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cairo_set_line_width (cr, mouseover_line_width());
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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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double const x = component_to_parent_x (channel_to_position (i->column, _matrix->visible_columns()) * grid_spacing()) + grid_spacing() / 2;
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double const y = component_to_parent_y (channel_to_position (i->row, _matrix->visible_rows()) * grid_spacing()) + grid_spacing() / 2;
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if (i->row.bundle && i->column.bundle) {
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cairo_move_to (cr, x, y);
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if (_matrix->arrangement() == PortMatrix::LEFT_TO_BOTTOM) {
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cairo_line_to (cr, component_to_parent_x (0), y);
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} else if (_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT) {
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cairo_line_to (cr, _parent_rectangle.get_x() + _parent_rectangle.get_width(), y);
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}
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cairo_stroke (cr);
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cairo_move_to (cr, x, y);
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if (_matrix->arrangement() == PortMatrix::LEFT_TO_BOTTOM) {
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cairo_line_to (cr, x, _parent_rectangle.get_y() + _parent_rectangle.get_height());
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} else if (_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT) {
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cairo_line_to (cr, x, component_to_parent_y (0));
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}
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cairo_stroke (cr);
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}
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}
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if (_dragging && _drag_valid && _moved) {
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list<PortMatrixNode> const p = nodes_on_line (_drag_start_x, _drag_start_y, _drag_x, _drag_y);
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if (!p.empty()) {
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bool const s = toggle_state (get_association (p.front()));
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for (list<PortMatrixNode>::const_iterator i = p.begin(); i != p.end(); ++i) {
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if (s) {
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draw_association_indicator (
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cr,
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component_to_parent_x (channel_to_position (i->column, _matrix->visible_columns()) * grid_spacing ()),
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component_to_parent_y (channel_to_position (i->row, _matrix->visible_rows()) * grid_spacing ())
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);
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} else {
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draw_empty_square (
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cr,
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component_to_parent_x (channel_to_position (i->column, _matrix->visible_columns()) * grid_spacing ()),
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component_to_parent_y (channel_to_position (i->row, _matrix->visible_rows()) * grid_spacing ())
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);
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}
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}
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}
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set_source_rgba (cr, association_colour (), 0.3);
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cairo_move_to (
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cr,
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component_to_parent_x (_drag_start_x * grid_spacing() + grid_spacing() / 2),
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component_to_parent_y (_drag_start_y * grid_spacing() + grid_spacing() / 2)
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);
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cairo_line_to (
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cr,
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component_to_parent_x (_drag_x * grid_spacing() + grid_spacing() / 2),
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component_to_parent_y (_drag_y * grid_spacing() + grid_spacing() / 2)
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);
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cairo_stroke (cr);
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}
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}
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void
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PortMatrixGrid::mouseover_changed (list<PortMatrixNode> const & old)
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{
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queue_draw_for (old);
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queue_draw_for (_body->mouseover());
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}
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void
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PortMatrixGrid::motion (double x, double y)
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{
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_body->set_mouseover (position_to_node (x, y));
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int const px = x / grid_spacing ();
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int const py = y / grid_spacing ();
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if (_dragging && !_moved && ( (px != _drag_start_x || py != _drag_start_x) )) {
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_moved = true;
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}
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if (_dragging && _drag_valid && _moved) {
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_drag_x = px;
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_drag_y = py;
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_body->queue_draw ();
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}
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}
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void
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PortMatrixGrid::queue_draw_for (list<PortMatrixNode> const &n)
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{
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for (list<PortMatrixNode>::const_iterator i = n.begin(); i != n.end(); ++i) {
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if (i->row.bundle) {
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double const y = channel_to_position (i->row, _matrix->visible_rows()) * grid_spacing ();
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_body->queue_draw_area (
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_parent_rectangle.get_x(),
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component_to_parent_y (y),
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|
_parent_rectangle.get_width(),
|
|
grid_spacing()
|
|
);
|
|
}
|
|
|
|
if (i->column.bundle) {
|
|
|
|
double const x = channel_to_position (i->column, _matrix->visible_columns()) * grid_spacing ();
|
|
|
|
_body->queue_draw_area (
|
|
component_to_parent_x (x),
|
|
_parent_rectangle.get_y(),
|
|
grid_spacing(),
|
|
_parent_rectangle.get_height()
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
double
|
|
PortMatrixGrid::component_to_parent_x (double x) const
|
|
{
|
|
return x - _body->xoffset() + _parent_rectangle.get_x();
|
|
}
|
|
|
|
double
|
|
PortMatrixGrid::parent_to_component_x (double x) const
|
|
{
|
|
return x + _body->xoffset() - _parent_rectangle.get_x();
|
|
}
|
|
|
|
double
|
|
PortMatrixGrid::component_to_parent_y (double y) const
|
|
{
|
|
return y - _body->yoffset() + _parent_rectangle.get_y();
|
|
}
|
|
|
|
double
|
|
PortMatrixGrid::parent_to_component_y (double y) const
|
|
{
|
|
return y + _body->yoffset() - _parent_rectangle.get_y();
|
|
}
|
|
|
|
list<PortMatrixNode>
|
|
PortMatrixGrid::nodes_on_line (int x0, int y0, int x1, int y1) const
|
|
{
|
|
list<PortMatrixNode> p;
|
|
|
|
bool const steep = abs (y1 - y0) > abs (x1 - x0);
|
|
if (steep) {
|
|
int tmp = x0;
|
|
x0 = y0;
|
|
y0 = tmp;
|
|
|
|
tmp = y1;
|
|
y1 = x1;
|
|
x1 = tmp;
|
|
}
|
|
|
|
if (x0 > x1) {
|
|
int tmp = x0;
|
|
x0 = x1;
|
|
x1 = tmp;
|
|
|
|
tmp = y0;
|
|
y0 = y1;
|
|
y1 = tmp;
|
|
}
|
|
|
|
int dx = x1 - x0;
|
|
int dy = abs (y1 - y0);
|
|
|
|
double err = 0;
|
|
double derr = double (dy) / dx;
|
|
|
|
int y = y0;
|
|
int const ystep = y0 < y1 ? 1 : -1;
|
|
|
|
for (int x = x0; x <= x1; ++x) {
|
|
if (steep) {
|
|
PortMatrixNode n = position_to_node (y * grid_spacing (), x * grid_spacing ());
|
|
if (n.row.bundle && n.column.bundle) {
|
|
p.push_back (n);
|
|
}
|
|
} else {
|
|
PortMatrixNode n = position_to_node (x * grid_spacing (), y * grid_spacing ());
|
|
if (n.row.bundle && n.column.bundle) {
|
|
p.push_back (n);
|
|
}
|
|
}
|
|
|
|
err += derr;
|
|
|
|
if (err >= 0.5) {
|
|
y += ystep;
|
|
err -= 1;
|
|
}
|
|
}
|
|
|
|
return p;
|
|
}
|
|
|
|
bool
|
|
PortMatrixGrid::toggle_state (PortMatrixNode::State s) const
|
|
{
|
|
return (s == PortMatrixNode::NOT_ASSOCIATED || s == PortMatrixNode::PARTIAL);
|
|
}
|