_alloc_height (0),
_xoffset (0),
_yoffset (0),
- _mouse_over_grid (false),
+ _column_labels_border_x (0),
+ _column_labels_height (0),
_ignore_component_size_changed (false)
{
_column_labels = new PortMatrixColumnLabels (p, this);
_row_labels = new PortMatrixRowLabels (p, this);
_grid = new PortMatrixGrid (p, this);
+ _components.push_back (_column_labels);
+ _components.push_back (_row_labels);
+ _components.push_back (_grid);
+
add_events (Gdk::LEAVE_NOTIFY_MASK | Gdk::POINTER_MOTION_MASK);
}
PortMatrixBody::~PortMatrixBody ()
{
- delete _column_labels;
- delete _row_labels;
- delete _grid;
+ for (list<PortMatrixComponent*>::iterator i = _components.begin(); i != _components.end(); ++i) {
+ delete *i;
+ }
}
bool
PortMatrixBody::on_expose_event (GdkEventExpose* event)
{
+ if (
+ _matrix->visible_columns() == 0 || _matrix->visible_rows() == 0 ||
+ _matrix->visible_columns()->bundles().empty() || _matrix->visible_rows()->bundles().empty()
+ ) {
+
+ /* nothing to connect */
+
+ cairo_t* cr = gdk_cairo_create (get_window()->gobj());
+
+ cairo_set_source_rgb (cr, 0, 0, 0);
+ cairo_rectangle (cr, 0, 0, _alloc_width, _alloc_height);
+ cairo_fill (cr);
+
+ stringstream t;
+ t << _("There are no ") << (_matrix->type() == ARDOUR::DataType::AUDIO ? _("audio") : _("MIDI")) << _(" ports to connect.");
+
+ cairo_text_extents_t ext;
+ cairo_text_extents (cr, t.str().c_str(), &ext);
+
+ cairo_set_source_rgb (cr, 1, 1, 1);
+ cairo_move_to (cr, (_alloc_width - ext.width) / 2, (_alloc_height + ext.height) / 2);
+ cairo_show_text (cr, t.str().c_str ());
+
+ cairo_destroy (cr);
+
+ return true;
+ }
+
Gdk::Rectangle const exposure (
event->area.x, event->area.y, event->area.width, event->area.height
);
bool intersects;
- Gdk::Rectangle r = exposure;
- /* the get_pixmap call may cause things to be rerendered and sizes to change,
- so fetch the pixmap before calculating where to put it */
- GdkPixmap* p = _column_labels->get_pixmap (get_window()->gobj());
- r.intersect (_column_labels->parent_rectangle(), intersects);
-
- if (intersects) {
-
- gdk_draw_drawable (
- get_window()->gobj(),
- get_style()->get_fg_gc (Gtk::STATE_NORMAL)->gobj(),
- p,
- _column_labels->parent_to_component_x (r.get_x()),
- _column_labels->parent_to_component_y (r.get_y()),
- r.get_x(),
- r.get_y(),
- r.get_width(),
- r.get_height()
- );
- }
+ for (list<PortMatrixComponent*>::iterator i = _components.begin(); i != _components.end(); ++i) {
+
+ Gdk::Rectangle r = exposure;
+
+ /* the get_pixmap call may cause things to be rerendered and sizes to change,
+ so fetch the pixmap before calculating where to put it */
+ GdkPixmap* p = (*i)->get_pixmap (get_window()->gobj());
+ r.intersect ((*i)->parent_rectangle(), intersects);
+
+ if (intersects) {
+
+ gdk_draw_drawable (
+ get_window()->gobj(),
+ get_style()->get_fg_gc (Gtk::STATE_NORMAL)->gobj(),
+ p,
+ (*i)->parent_to_component_x (r.get_x()),
+ (*i)->parent_to_component_y (r.get_y()),
+ r.get_x(),
+ r.get_y(),
+ r.get_width(),
+ r.get_height()
+ );
+ }
- r = exposure;
- p = _row_labels->get_pixmap (get_window()->gobj());
- r.intersect (_row_labels->parent_rectangle(), intersects);
-
- if (intersects) {
- gdk_draw_drawable (
- get_window()->gobj(),
- get_style()->get_fg_gc (Gtk::STATE_NORMAL)->gobj(),
- p,
- _row_labels->parent_to_component_x (r.get_x()),
- _row_labels->parent_to_component_y (r.get_y()),
- r.get_x(),
- r.get_y(),
- r.get_width(),
- r.get_height()
- );
- }
-
- r = exposure;
- p = _grid->get_pixmap (get_window()->gobj());
- r.intersect (_grid->parent_rectangle(), intersects);
-
- if (intersects) {
- gdk_draw_drawable (
- get_window()->gobj(),
- get_style()->get_fg_gc (Gtk::STATE_NORMAL)->gobj(),
- p,
- _grid->parent_to_component_x (r.get_x()),
- _grid->parent_to_component_y (r.get_y()),
- r.get_x(),
- r.get_y(),
- r.get_width(),
- r.get_height()
- );
}
cairo_t* cr = gdk_cairo_create (get_window()->gobj());
- cairo_save (cr);
- set_cairo_clip (cr, _grid->parent_rectangle ());
- _grid->draw_extra (cr);
- cairo_restore (cr);
-
- cairo_save (cr);
- set_cairo_clip (cr, _row_labels->parent_rectangle ());
- _row_labels->draw_extra (cr);
- cairo_restore (cr);
-
- cairo_save (cr);
- set_cairo_clip (cr, _column_labels->parent_rectangle ());
- _column_labels->draw_extra (cr);
- cairo_restore (cr);
+ for (list<PortMatrixComponent*>::iterator i = _components.begin(); i != _components.end(); ++i) {
+ cairo_save (cr);
+ set_cairo_clip (cr, (*i)->parent_rectangle ());
+ (*i)->draw_extra (cr);
+ cairo_restore (cr);
+ }
cairo_destroy (cr);
pair<int, int> const row = _row_labels->dimensions ();
pair<int, int> const grid = _grid->dimensions ();
+ if (grid.first == 0 && grid.second == 0) {
+ /* nothing to display */
+ req->width = 256;
+ req->height = 64;
+ return;
+ }
+
/* don't ask for the maximum size of our contents, otherwise GTK won't
let the containing window shrink below this size */
{
/* full sizes of components */
pair<uint32_t, uint32_t> const col = _column_labels->dimensions ();
- uint32_t col_overhang = _column_labels->overhang ();
+ uint32_t const col_overhang = _column_labels->overhang ();
pair<uint32_t, uint32_t> const row = _row_labels->dimensions ();
pair<uint32_t, uint32_t> const grid = _grid->dimensions ();
if (_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT) {
col_rect.set_x (0);
+ _column_labels_border_x = col_overhang;
col_rect.set_y (0);
grid_rect.set_x (0);
col_rect.set_width (grid_rect.get_width () + col_overhang);
col_rect.set_x (row_rect.get_width() + grid_rect.get_width() - col_rect.get_width());
+ _column_labels_border_x = col_rect.get_x () >= 0 ? col_rect.get_x () : 0;
col_rect.set_y (row_rect.get_height());
-
}
+ _column_labels_height = col_rect.get_height ();
+
_row_labels->set_parent_rectangle (row_rect);
_column_labels->set_parent_rectangle (col_rect);
_grid->set_parent_rectangle (grid_rect);
+
+ DimensionsChanged (); /* EMIT SIGNAL */
}
void
/* Connect to bundles so that we find out when their names change */
- PortGroup::BundleList r = _matrix->rows()->bundles ();
+ PortGroup::BundleList r = _matrix->visible_rows()->bundles ();
for (PortGroup::BundleList::iterator i = r.begin(); i != r.end(); ++i) {
_bundle_connections.push_back (
}
- PortGroup::BundleList c = _matrix->columns()->bundles ();
+ PortGroup::BundleList c = _matrix->visible_columns()->bundles ();
for (PortGroup::BundleList::iterator i = c.begin(); i != c.end(); ++i) {
_bundle_connections.push_back (
i->bundle->Changed.connect (sigc::hide (sigc::mem_fun (*this, &PortMatrixBody::rebuild_and_draw_column_labels)))
);
}
- _column_labels->setup ();
- _row_labels->setup ();
- _grid->setup ();
+ for (list<PortMatrixComponent*>::iterator i = _components.begin(); i != _components.end(); ++i) {
+ (*i)->setup ();
+ }
set_mouseover (PortMatrixNode ());
return _grid->parent_rectangle().get_height();
}
+/** Set x offset (for scrolling) */
void
PortMatrixBody::set_xoffset (uint32_t xo)
{
queue_draw ();
}
+/** Set y offset (for scrolling) */
void
PortMatrixBody::set_yoffset (uint32_t yo)
{
bool
PortMatrixBody::on_button_press_event (GdkEventButton* ev)
{
- if (Gdk::Region (_grid->parent_rectangle()).point_in (ev->x, ev->y)) {
-
- _grid->button_press (
- _grid->parent_to_component_x (ev->x),
- _grid->parent_to_component_y (ev->y),
- ev->button, ev->time
- );
-
- } else if (Gdk::Region (_row_labels->parent_rectangle()).point_in (ev->x, ev->y)) {
-
- _row_labels->button_press (
- _row_labels->parent_to_component_x (ev->x),
- _row_labels->parent_to_component_y (ev->y),
- ev->button, ev->time
- );
-
- } else if (Gdk::Region (_column_labels->parent_rectangle()).point_in (ev->x, ev->y)) {
-
- _column_labels->button_press (
- _column_labels->parent_to_component_x (ev->x),
- _column_labels->parent_to_component_y (ev->y),
- ev->button, ev->time
- );
+ for (list<PortMatrixComponent*>::iterator i = _components.begin(); i != _components.end(); ++i) {
+ if (Gdk::Region ((*i)->parent_rectangle()).point_in (ev->x, ev->y)) {
+ (*i)->button_press (
+ (*i)->parent_to_component_x (ev->x),
+ (*i)->parent_to_component_y (ev->y),
+ ev->button, ev->time, ev->state
+ );
+ }
}
return true;
bool
PortMatrixBody::on_button_release_event (GdkEventButton* ev)
{
- if (Gdk::Region (_row_labels->parent_rectangle()).point_in (ev->x, ev->y) ||
- Gdk::Region (_column_labels->parent_rectangle()).point_in (ev->x, ev->y)) {
-
- _row_labels->clear_channel_highlights ();
- _column_labels->clear_channel_highlights ();
-
- } else if (Gdk::Region (_grid->parent_rectangle()).point_in (ev->x, ev->y)) {
-
- _grid->button_release (
- _grid->parent_to_component_x (ev->x),
- _grid->parent_to_component_y (ev->y),
- ev->button, ev->time
- );
-
+ for (list<PortMatrixComponent*>::iterator i = _components.begin(); i != _components.end(); ++i) {
+ if (Gdk::Region ((*i)->parent_rectangle()).point_in (ev->x, ev->y)) {
+ (*i)->button_release (
+ (*i)->parent_to_component_x (ev->x),
+ (*i)->parent_to_component_y (ev->y),
+ ev->button, ev->time, ev->state
+ );
+ } else {
+ (*i)->button_release (
+ -1, -1,
+ ev->button, ev->time, ev->state
+ );
+ }
}
return true;
bool
PortMatrixBody::on_motion_notify_event (GdkEventMotion* ev)
{
- if (Gdk::Region (_grid->parent_rectangle()).point_in (ev->x, ev->y)) {
-
- _grid->motion (
- _grid->parent_to_component_x (ev->x),
- _grid->parent_to_component_y (ev->y)
- );
-
- _mouse_over_grid = true;
-
- } else {
- if (_mouse_over_grid) {
- set_mouseover (PortMatrixNode ());
- _mouse_over_grid = false;
+ bool done = false;
+
+ for (list<PortMatrixComponent*>::iterator i = _components.begin(); i != _components.end(); ++i) {
+ if (Gdk::Region ((*i)->parent_rectangle()).point_in (ev->x, ev->y)) {
+ (*i)->motion (
+ (*i)->parent_to_component_x (ev->x),
+ (*i)->parent_to_component_y (ev->y)
+ );
+
+ done = true;
}
}
+
+
+ if (!done) {
+ set_mouseover (PortMatrixNode ());
+ }
return true;
}
void
PortMatrixBody::set_mouseover (PortMatrixNode const & n)
+{
+ list<PortMatrixNode> m;
+ m.push_back (n);
+ set_mouseover (m);
+}
+
+void
+PortMatrixBody::set_mouseover (list<PortMatrixNode> const & n)
{
if (n == _mouseover) {
return;
}
- PortMatrixNode old = _mouseover;
- _mouseover = n;
+ /* Channel highlights are set up only on mouseovers, so
+ it's reasonable to remove all channel highlights here.
+ We can't let individual components clear their own highlights
+ because of the case where, say, the row labels set up some column
+ highlights, and then we ask the column labels to set up their
+ own highlights and they clear them out before they start.
+ */
- _grid->mouseover_changed (old);
- _row_labels->mouseover_changed (old);
- _column_labels->mouseover_changed (old);
+ _row_labels->clear_channel_highlights ();
+ _column_labels->clear_channel_highlights ();
+
+ list<PortMatrixNode> old = _mouseover;
+ _mouseover = n;
+
+ for (list<PortMatrixComponent*>::iterator i = _components.begin(); i != _components.end(); ++i) {
+ (*i)->mouseover_changed (old);
+ }
}
void
_row_labels->add_channel_highlight (bc[dim]);
}
- PortGroup::BundleList const b = _matrix->ports(1 - dim)->bundles ();
+ PortGroup::BundleList const b = _matrix->visible_ports(1 - dim)->bundles ();
for (PortGroup::BundleList::const_iterator i = b.begin(); i != b.end(); ++i) {
for (uint32_t j = 0; j < i->bundle->nchannels(); ++j) {
return make_pair (std::max (row.first, _column_labels->overhang()) + grid.first, col.second + grid.second);
}
+
+/** @return x position at which the column labels meet the border of the matrix */
+uint32_t
+PortMatrixBody::column_labels_border_x () const
+{
+ return _column_labels_border_x;
+}
+
+uint32_t
+PortMatrixBody::column_labels_height () const
+{
+ return _column_labels_height;
+}