/*
- 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 <cairo/cairo.h>
+#include <cairo.h>
#include "ardour/bundle.h"
-#include "ardour/types.h"
#include "port_matrix_grid.h"
#include "port_matrix.h"
#include "port_matrix_body.h"
+#include "keyboard.h"
+
+using namespace std;
+using Gtkmm2ext::Keyboard;
PortMatrixGrid::PortMatrixGrid (PortMatrix* m, PortMatrixBody* b)
- : PortMatrixComponent (m, b)
+ : PortMatrixComponent (m, b),
+ _dragging (false),
+ _drag_valid (false),
+ _moved (false)
{
-
+
}
void
PortMatrixGrid::compute_dimensions ()
{
- _width = 0;
- ARDOUR::BundleList const c = _matrix->columns()->bundles();
- for (ARDOUR::BundleList::const_iterator i = c.begin(); i != c.end(); ++i) {
- _width += (*i)->nchannels() * column_width();
+ if (_matrix->visible_columns()) {
+ _width = group_size (_matrix->visible_columns()) * grid_spacing ();
+ } else {
+ _width = 0;
}
- _height = 0;
- ARDOUR::BundleList const r = _matrix->rows()->bundles();
- for (ARDOUR::BundleList::const_iterator i = r.begin(); i != r.end(); ++i) {
- _height += (*i)->nchannels() * row_height();
+ if (_matrix->visible_rows()) {
+ _height = group_size (_matrix->visible_rows()) * grid_spacing ();
+ } else {
+ _height = 0;
}
}
void
PortMatrixGrid::render (cairo_t* cr)
{
- /* BACKGROUND */
-
set_source_rgb (cr, background_colour());
cairo_rectangle (cr, 0, 0, _width, _height);
cairo_fill (cr);
+ PortGroup::BundleList const & row_bundles = _matrix->visible_rows()->bundles();
+ PortGroup::BundleList const & column_bundles = _matrix->visible_columns()->bundles();
+
+ uint32_t x = 0;
+
/* VERTICAL GRID LINES */
-
+
set_source_rgb (cr, grid_colour());
- uint32_t x = 0;
- ARDOUR::BundleList const c = _matrix->columns()->bundles();
- for (ARDOUR::BundleList::size_type i = 0; i < c.size(); ++i) {
-
- cairo_set_line_width (cr, thin_grid_line_width());
- for (uint32_t j = 1; j < c[i]->nchannels(); ++j) {
- x += column_width();
- cairo_move_to (cr, x, 0);
- cairo_line_to (cr, x, _height);
- cairo_stroke (cr);
- }
+ uint32_t N = 0;
+
+ for (PortGroup::BundleList::const_iterator i = column_bundles.begin(); i != column_bundles.end(); ++i) {
+
+ cairo_set_line_width (cr, thick_grid_line_width());
+ cairo_move_to (cr, x, 0);
+ cairo_line_to (cr, x, _height);
+ cairo_stroke (cr);
+
+ if (!_matrix->show_only_bundles()) {
+ cairo_set_line_width (cr, thin_grid_line_width());
+ for (uint32_t j = 0; j < _matrix->count_of_our_type_min_1 ((*i)->bundle->nchannels()); ++j) {
+ x += grid_spacing ();
+ cairo_move_to (cr, x, 0);
+ cairo_line_to (cr, x, _height);
+ cairo_stroke (cr);
+ }
+
+ } else {
+
+ x += grid_spacing ();
- if (i < (c.size() - 1)) {
- x += column_width();
- cairo_set_line_width (cr, thick_grid_line_width());
- cairo_move_to (cr, x, 0);
- cairo_line_to (cr, x, _height);
- cairo_stroke (cr);
}
- }
-
- uint32_t grid_width = x + column_width();
- /* HORIZONTAL GRID LINES */
-
+ ++N;
+ }
+
+ if (_matrix->show_only_bundles ()) {
+ cairo_move_to (cr, x, 0);
+ cairo_line_to (cr, x, _height);
+ cairo_stroke (cr);
+ }
+
uint32_t y = 0;
- ARDOUR::BundleList const r = _matrix->rows()->bundles();
- for (ARDOUR::BundleList::size_type i = 0; i < r.size(); ++i) {
-
- cairo_set_line_width (cr, thin_grid_line_width());
- for (uint32_t j = 1; j < r[i]->nchannels(); ++j) {
- y += row_height();
- cairo_move_to (cr, 0, y);
- cairo_line_to (cr, grid_width, y);
- cairo_stroke (cr);
- }
- if (i < (r.size() - 1)) {
- y += row_height();
- cairo_set_line_width (cr, thick_grid_line_width());
- cairo_move_to (cr, 0, y);
- cairo_line_to (cr, grid_width, y);
- cairo_stroke (cr);
+ /* HORIZONTAL GRID LINES */
+
+ N = 0;
+ for (PortGroup::BundleList::const_iterator i = row_bundles.begin(); i != row_bundles.end(); ++i) {
+
+ cairo_set_line_width (cr, thick_grid_line_width());
+ cairo_move_to (cr, 0, y);
+ cairo_line_to (cr, _width, y);
+ cairo_stroke (cr);
+
+ if (!_matrix->show_only_bundles()) {
+ cairo_set_line_width (cr, thin_grid_line_width());
+ for (uint32_t j = 0; j < _matrix->count_of_our_type_min_1 ((*i)->bundle->nchannels()); ++j) {
+ y += grid_spacing ();
+ cairo_move_to (cr, 0, y);
+ cairo_line_to (cr, _width, y);
+ cairo_stroke (cr);
+ }
+
+ } else {
+
+ y += grid_spacing ();
+
}
+
+ ++N;
+ }
+
+ if (_matrix->show_only_bundles ()) {
+ cairo_move_to (cr, 0, y);
+ cairo_line_to (cr, _width, y);
+ cairo_stroke (cr);
}
- /* ASSOCIATION INDICATORS */
-
+ /* ASSOCIATION INDICATORS and NON-CONNECTABLE INDICATORS */
+
+ /* we draw a grey square in a matrix box if the two ports that intersect at that box
+ cannot be connected because they are of different types (MIDI vs. audio)
+ */
+
uint32_t bx = 0;
uint32_t by = 0;
-
- for (ARDOUR::BundleList::const_iterator i = c.begin(); i < c.end(); ++i) {
- by = 0;
-
- for (ARDOUR::BundleList::const_iterator j = r.begin(); j < r.end(); ++j) {
-
- x = bx;
- for (uint32_t k = 0; k < (*i)->nchannels (); k++) {
-
- y = by;
- for (uint32_t l = 0; l < (*j)->nchannels (); ++l) {
-
- ARDOUR::BundleChannel c[2];
- c[_matrix->column_index()] = ARDOUR::BundleChannel (*i, k);
- c[_matrix->row_index()] = ARDOUR::BundleChannel (*j, l);
-
- PortMatrix::State const s = _matrix->get_state (c);
-
- switch (s) {
- case PortMatrix::ASSOCIATED:
- set_source_rgba (cr, association_colour(), 0.5);
- cairo_arc (
- cr,
- x + column_width() / 2,
- y + column_width() / 2,
- (column_width() - (2 * connection_indicator_pad())) / 2,
- 0,
- 2 * M_PI
+
+ if (_matrix->show_only_bundles()) {
+
+ for (PortGroup::BundleList::const_iterator i = column_bundles.begin(); i != column_bundles.end(); ++i) {
+ by = 0;
+
+ for (PortGroup::BundleList::const_iterator j = row_bundles.begin(); j != row_bundles.end(); ++j) {
+
+ PortMatrixNode::State s = _matrix->get_association (PortMatrixNode (
+ ARDOUR::BundleChannel ((*j)->bundle, 0),
+ ARDOUR::BundleChannel ((*i)->bundle, 0)
+ ));
+ switch (s) {
+ case PortMatrixNode::ASSOCIATED:
+ draw_association_indicator (cr, bx, by);
+ break;
+ case PortMatrixNode::PARTIAL:
+ draw_association_indicator (cr, bx, by, 0.5);
+ break;
+ default:
+ break;
+ }
+
+ by += grid_spacing();
+ }
+
+ bx += grid_spacing();
+
+ }
+
+ } else {
+
+ for (PortGroup::BundleList::const_iterator i = column_bundles.begin(); i != column_bundles.end(); ++i) {
+ by = 0;
+
+ for (PortGroup::BundleList::const_iterator j = row_bundles.begin(); j != row_bundles.end(); ++j) {
+
+ x = bx;
+ for (uint32_t k = 0; k < _matrix->count_of_our_type ((*i)->bundle->nchannels()); ++k) {
+
+ y = by;
+ for (uint32_t l = 0; l < _matrix->count_of_our_type ((*j)->bundle->nchannels()); ++l) {
+
+ ARDOUR::BundleChannel c[2];
+
+ c[_matrix->column_index()] = ARDOUR::BundleChannel (
+ (*i)->bundle,
+ (*i)->bundle->type_channel_to_overall (_matrix->type (), k)
);
- cairo_fill (cr);
- break;
-
- case PortMatrix::UNKNOWN:
- set_source_rgba (cr, unknown_colour(), 0.5);
- cairo_rectangle (
- cr,
- x + thick_grid_line_width(),
- y + thick_grid_line_width(),
- column_width() - 2 * thick_grid_line_width(),
- row_height() - 2 * thick_grid_line_width()
+ c[_matrix->row_index()] = ARDOUR::BundleChannel (
+ (*j)->bundle,
+ (*j)->bundle->type_channel_to_overall (_matrix->type (), l)
);
- cairo_fill (cr);
- break;
-
- case PortMatrix::NOT_ASSOCIATED:
- break;
+
+ if (c[0].bundle->channel_type (c[0].channel) != c[1].bundle->channel_type (c[1].channel)) {
+ /* these two channels are of different types */
+ draw_non_connectable_indicator (cr, x, y);
+ } else {
+ /* these two channels might be associated */
+ PortMatrixNode::State const s = _matrix->get_state (c);
+
+ switch (s) {
+ case PortMatrixNode::ASSOCIATED:
+ draw_association_indicator (cr, x, y);
+ break;
+
+ case PortMatrixNode::NOT_ASSOCIATED:
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ y += grid_spacing();
+ }
+
+ if (_matrix->count_of_our_type ((*j)->bundle->nchannels()) == 0) {
+ /* the *j bundle has no channels of our type, so it will have a dummy
+ one which needs to be marked non-connectable.
+ */
+ draw_non_connectable_indicator (cr, x, y);
}
- y += row_height();
+ x += grid_spacing();
+ }
+
+ if (_matrix->count_of_our_type ((*i)->bundle->nchannels()) == 0) {
+ /* draw non-connectable indicators for the case where the *i bundle
+ has no channels of our type (and hence has 1 dummy channel)
+ */
+ y = by;
+ for (uint32_t l = 0; l < _matrix->count_of_our_type_min_1 ((*j)->bundle->nchannels()); ++l) {
+ draw_non_connectable_indicator (cr, x, y);
+ y += grid_spacing ();
+ }
}
- x += column_width();
+
+ by += _matrix->count_of_our_type_min_1 ((*j)->bundle->nchannels()) * grid_spacing();
}
-
- by += (*j)->nchannels () * row_height();
+
+ bx += _matrix->count_of_our_type_min_1 ((*i)->bundle->nchannels()) * grid_spacing();
}
-
- bx += (*i)->nchannels () * column_width();
}
}
+void
+PortMatrixGrid::draw_association_indicator (cairo_t* cr, uint32_t x, uint32_t y, double p)
+{
+ set_source_rgba (cr, association_colour(), 0.5);
+
+ cairo_arc (
+ cr,
+ x + grid_spacing() / 2,
+ y + grid_spacing() / 2,
+ (grid_spacing() - (2 * connection_indicator_pad())) / 2,
+ 0,
+ p * 2 * M_PI
+ );
+
+ cairo_fill (cr);
+}
+
+void
+PortMatrixGrid::draw_empty_square (cairo_t* cr, uint32_t x, uint32_t y)
+{
+ set_source_rgb (cr, background_colour());
+ cairo_rectangle (
+ cr,
+ x + thick_grid_line_width(),
+ y + thick_grid_line_width(),
+ grid_spacing() - 2 * thick_grid_line_width(),
+ grid_spacing() - 2 * thick_grid_line_width()
+ );
+ cairo_fill (cr);
+}
+
+/** Draw a square to indicate that two channels in a matrix cannot be associated
+ * with each other.
+ */
+void
+PortMatrixGrid::draw_non_connectable_indicator (cairo_t* cr, uint32_t x, uint32_t y)
+{
+ set_source_rgb (cr, non_connectable_colour ());
+ cairo_rectangle (
+ cr,
+ x + thick_grid_line_width(),
+ y + thick_grid_line_width(),
+ grid_spacing() - 2 * thick_grid_line_width(),
+ grid_spacing() - 2 * thick_grid_line_width()
+ );
+ cairo_fill (cr);
+}
PortMatrixNode
PortMatrixGrid::position_to_node (double x, double y) const
{
return PortMatrixNode (
- position_to_channel (y, _matrix->rows()->bundles(), row_height()),
- position_to_channel (x, _matrix->columns()->bundles(), column_width())
+ position_to_channel (y, x, _matrix->visible_rows()),
+ position_to_channel (x, y, _matrix->visible_columns())
);
}
-
-ARDOUR::BundleChannel
-PortMatrixGrid::position_to_channel (double p, ARDOUR::BundleList const& bundles, double inc) const
+void
+PortMatrixGrid::button_press (double x, double y, GdkEventButton* ev)
{
- uint32_t pos = p / inc;
+ ARDOUR::BundleChannel const px = position_to_channel (x, y, _matrix->visible_columns());
+ ARDOUR::BundleChannel const py = position_to_channel (y, x, _matrix->visible_rows());
- for (ARDOUR::BundleList::const_iterator i = bundles.begin(); i != bundles.end(); ++i) {
- if (pos < (*i)->nchannels()) {
- return ARDOUR::BundleChannel (*i, pos);
- } else {
- pos -= (*i)->nchannels();
- }
- }
-
- return ARDOUR::BundleChannel (boost::shared_ptr<ARDOUR::Bundle> (), 0);
-}
+ if (ev->button == 1) {
+ _dragging = true;
+ _drag_valid = (px.bundle && py.bundle);
-double
-PortMatrixGrid::channel_position (
- ARDOUR::BundleChannel bc,
- ARDOUR::BundleList const& bundles,
- double inc) const
-{
- double p = 0;
-
- ARDOUR::BundleList::const_iterator i = bundles.begin ();
- while (i != bundles.end() && *i != bc.bundle) {
- p += inc * (*i)->nchannels();
- ++i;
- }
+ _moved = false;
+ _drag_start_x = x / grid_spacing ();
+ _drag_start_y = y / grid_spacing ();
- if (i == bundles.end()) {
- return 0;
- }
+ } else if (ev->button == 3) {
- p += inc * bc.channel;
+ _matrix->popup_menu (px, py, ev->time);
- return p;
+ }
}
void
-PortMatrixGrid::button_press (double x, double y, int b)
+PortMatrixGrid::set_association (PortMatrixNode node, bool s)
{
- PortMatrixNode const node = position_to_node (x, y);
-
- if (node.row.bundle && node.column.bundle) {
+ if (_matrix->show_only_bundles()) {
+
+ for (uint32_t i = 0; i < node.column.bundle->nchannels().n_total(); ++i) {
+ for (uint32_t j = 0; j < node.row.bundle->nchannels().n_total(); ++j) {
+
+ if (!_matrix->should_show (node.column.bundle->channel_type(i)) || !_matrix->should_show (node.row.bundle->channel_type(j))) {
+ continue;
+ }
+
+ ARDOUR::BundleChannel c[2];
+ c[_matrix->column_index()] = ARDOUR::BundleChannel (node.column.bundle, i);
+ c[_matrix->row_index()] = ARDOUR::BundleChannel (node.row.bundle, j);
+ _matrix->set_state (c, s && (i == j));
+ }
+ }
- ARDOUR::BundleChannel c[2];
- c[_matrix->row_index()] = node.row;
- c[_matrix->column_index()] = node.column;
-
- PortMatrix::State const s = _matrix->get_state (c);
-
- if (s == PortMatrix::ASSOCIATED || s == PortMatrix::NOT_ASSOCIATED) {
+ } else {
- bool const n = !(s == PortMatrix::ASSOCIATED);
+ if (node.row.bundle && node.column.bundle) {
ARDOUR::BundleChannel c[2];
c[_matrix->row_index()] = node.row;
c[_matrix->column_index()] = node.column;
-
- _matrix->set_state (c, n);
+
+ _matrix->set_state (c, s);
+ }
+ }
+}
+
+void
+PortMatrixGrid::button_release (double x, double y, GdkEventButton* ev)
+{
+ if (ev->button == 1) {
+
+ if (x != -1) {
+
+ if (_dragging && _moved) {
+
+ if (_drag_valid) {
+ list<PortMatrixNode> const p = nodes_on_line (_drag_start_x, _drag_start_y, _drag_x, _drag_y);
+
+ if (!p.empty()) {
+ PortMatrixNode::State const s = _matrix->get_association (p.front());
+ for (list<PortMatrixNode>::const_iterator i = p.begin(); i != p.end(); ++i) {
+ set_association (*i, toggle_state (s));
+ }
+ }
+ }
+
+ } else {
+
+ if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
+ /* associate/disassociate things diagonally down and right until we run out */
+ PortMatrixNode::State s = (PortMatrixNode::State) 0;
+ while (1) {
+ PortMatrixNode const n = position_to_node (x, y);
+ if (n.row.bundle && n.column.bundle) {
+ if (s == (PortMatrixNode::State) 0) {
+ s = _matrix->get_association (n);
+ }
+ set_association (n, toggle_state (s));
+ } else {
+ break;
+ }
+ x += grid_spacing ();
+ y += grid_spacing ();
+ }
+
+ } else {
+
+ PortMatrixNode const n = position_to_node (x, y);
+ if (n.row.bundle && n.column.bundle) {
+ PortMatrixNode::State const s = _matrix->get_association (n);
+ set_association (n, toggle_state (s));
+ }
+ }
+ }
+
+ require_render ();
}
- require_render ();
_body->queue_draw ();
}
+
+ _dragging = false;
}
+
void
PortMatrixGrid::draw_extra (cairo_t* cr)
{
set_source_rgba (cr, mouseover_line_colour(), 0.3);
cairo_set_line_width (cr, mouseover_line_width());
- double const x = component_to_parent_x (
- channel_position (_body->mouseover().column, _matrix->columns()->bundles(), column_width()) + column_width() / 2
- );
-
- double const y = component_to_parent_y (
- channel_position (_body->mouseover().row, _matrix->rows()->bundles(), row_height()) + row_height() / 2
- );
-
- if (_body->mouseover().row.bundle) {
-
- cairo_move_to (cr, x, y);
- if (_matrix->arrangement() == PortMatrix::LEFT_TO_BOTTOM) {
- cairo_line_to (cr, component_to_parent_x (0), y);
- } else if (_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT) {
- cairo_line_to (cr, _parent_rectangle.get_x() + _parent_rectangle.get_width(), y);
+ list<PortMatrixNode> const m = _body->mouseover ();
+
+ for (list<PortMatrixNode>::const_iterator i = m.begin(); i != m.end(); ++i) {
+
+ double const x = component_to_parent_x (channel_to_position (i->column, _matrix->visible_columns()) * grid_spacing()) + grid_spacing() / 2;
+ double const y = component_to_parent_y (channel_to_position (i->row, _matrix->visible_rows()) * grid_spacing()) + grid_spacing() / 2;
+
+ if (PortMatrix::bundle_with_channels (i->row.bundle) && PortMatrix::bundle_with_channels (i->column.bundle)) {
+
+ cairo_move_to (cr, x, y);
+ if (_matrix->arrangement() == PortMatrix::LEFT_TO_BOTTOM) {
+ cairo_line_to (cr, component_to_parent_x (0), y);
+ } else if (_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT) {
+ cairo_line_to (cr, _parent_rectangle.get_x() + _parent_rectangle.get_width(), y);
+ }
+ cairo_stroke (cr);
+
+ cairo_move_to (cr, x, y);
+ if (_matrix->arrangement() == PortMatrix::LEFT_TO_BOTTOM) {
+ cairo_line_to (cr, x, _parent_rectangle.get_y() + _parent_rectangle.get_height());
+ } else if (_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT) {
+ cairo_line_to (cr, x, component_to_parent_y (0));
+ }
+ cairo_stroke (cr);
}
- cairo_stroke (cr);
}
- if (_body->mouseover().column.bundle) {
+ if (_dragging && _drag_valid && _moved) {
+
+ list<PortMatrixNode> const p = nodes_on_line (_drag_start_x, _drag_start_y, _drag_x, _drag_y);
+
+ if (!p.empty()) {
+
+ bool const s = toggle_state (_matrix->get_association (p.front()));
- cairo_move_to (cr, x, y);
- if (_matrix->arrangement() == PortMatrix::LEFT_TO_BOTTOM) {
- cairo_line_to (cr, x, _parent_rectangle.get_y() + _parent_rectangle.get_height());
- } else if (_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT) {
- cairo_line_to (cr, x, component_to_parent_y (0));
+ for (list<PortMatrixNode>::const_iterator i = p.begin(); i != p.end(); ++i) {
+ if (s) {
+ draw_association_indicator (
+ cr,
+ component_to_parent_x (channel_to_position (i->column, _matrix->visible_columns()) * grid_spacing ()),
+ component_to_parent_y (channel_to_position (i->row, _matrix->visible_rows()) * grid_spacing ())
+ );
+ } else {
+ draw_empty_square (
+ cr,
+ component_to_parent_x (channel_to_position (i->column, _matrix->visible_columns()) * grid_spacing ()),
+ component_to_parent_y (channel_to_position (i->row, _matrix->visible_rows()) * grid_spacing ())
+ );
+ }
+ }
}
+
+ set_source_rgba (cr, association_colour (), 0.3);
+
+ cairo_move_to (
+ cr,
+ component_to_parent_x (_drag_start_x * grid_spacing() + grid_spacing() / 2),
+ component_to_parent_y (_drag_start_y * grid_spacing() + grid_spacing() / 2)
+ );
+
+ cairo_line_to (
+ cr,
+ component_to_parent_x (_drag_x * grid_spacing() + grid_spacing() / 2),
+ component_to_parent_y (_drag_y * grid_spacing() + grid_spacing() / 2)
+ );
+
cairo_stroke (cr);
+
}
}
void
-PortMatrixGrid::mouseover_changed (PortMatrixNode const& old)
+PortMatrixGrid::mouseover_changed (list<PortMatrixNode> const & old)
{
queue_draw_for (old);
queue_draw_for (_body->mouseover());
}
void
-PortMatrixGrid::mouseover_event (double x, double y)
+PortMatrixGrid::motion (double x, double y)
{
_body->set_mouseover (position_to_node (x, y));
+
+ int const px = x / grid_spacing ();
+ int const py = y / grid_spacing ();
+
+ if (_dragging && !_moved && ( (px != _drag_start_x || py != _drag_start_x) )) {
+ _moved = true;
+ }
+
+ if (_dragging && _drag_valid && _moved) {
+ _drag_x = px;
+ _drag_y = py;
+ _body->queue_draw ();
+ }
}
void
-PortMatrixGrid::queue_draw_for (PortMatrixNode const &n)
+PortMatrixGrid::queue_draw_for (list<PortMatrixNode> const &n)
{
- if (n.row.bundle) {
-
- double const y = channel_position (n.row, _matrix->rows()->bundles(), row_height());
- _body->queue_draw_area (
- _parent_rectangle.get_x(),
- component_to_parent_y (y),
- _parent_rectangle.get_width(),
- row_height()
- );
- }
+ for (list<PortMatrixNode>::const_iterator i = n.begin(); i != n.end(); ++i) {
- if (n.column.bundle) {
+ if (i->row.bundle) {
- double const x = channel_position (n.column, _matrix->columns()->bundles(), column_width());
-
- _body->queue_draw_area (
- component_to_parent_x (x),
- _parent_rectangle.get_y(),
- column_width(),
- _parent_rectangle.get_height()
- );
+ double const y = channel_to_position (i->row, _matrix->visible_rows()) * grid_spacing ();
+ _body->queue_draw_area (
+ _parent_rectangle.get_x(),
+ component_to_parent_y (y),
+ _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()
+ );
+ }
}
}
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);
+}
projects / ardour.git / blobdiff