#include "region_view.h"
#include "rgb_macros.h"
#include "keyboard.h"
+#include "editor_routes.h"
+#include "editor_cursors.h"
+#include "mouse_cursors.h"
using namespace std;
using namespace ARDOUR;
_last_playhead (-1),
_move_dragging (false),
_moved (false),
+ _view_rectangle_x (0, 0),
+ _view_rectangle_y (0, 0),
_zoom_dragging (false)
-
{
Region::RegionPropertyChanged.connect (region_property_connection, invalidator (*this), boost::bind (&CairoWidget::set_dirty, this), gui_context());
_editor->playhead_cursor->PositionChanged.connect (position_connection, invalidator (*this), ui_bind (&EditorSummary::playhead_position_changed, this, _1), gui_context());
+
+ add_events (Gdk::POINTER_MOTION_MASK);
}
/** Connect to a session.
void
EditorSummary::set_session (Session* s)
{
- EditorComponent::set_session (s);
+ SessionHandlePtr::set_session (s);
set_dirty ();
cairo_t* cr = gdk_cairo_create (get_window()->gobj());
- /* Render the view rectangle */
+ /* Render the view rectangle. If there is an editor visual pending, don't update
+ the view rectangle now --- wait until the expose event that we'll get after
+ the visual change. This prevents a flicker.
+ */
- pair<double, double> x;
- pair<double, double> y;
- get_editor (&x, &y);
+ if (_editor->pending_visual_change.idle_handler_id < 0) {
+ get_editor (&_view_rectangle_x, &_view_rectangle_y);
+ }
- cairo_move_to (cr, x.first, y.first);
- cairo_line_to (cr, x.second, y.first);
- cairo_line_to (cr, x.second, y.second);
- cairo_line_to (cr, x.first, y.second);
- cairo_line_to (cr, x.first, y.first);
+ cairo_move_to (cr, _view_rectangle_x.first, _view_rectangle_y.first);
+ cairo_line_to (cr, _view_rectangle_x.second, _view_rectangle_y.first);
+ cairo_line_to (cr, _view_rectangle_x.second, _view_rectangle_y.second);
+ cairo_line_to (cr, _view_rectangle_x.first, _view_rectangle_y.second);
+ cairo_line_to (cr, _view_rectangle_x.first, _view_rectangle_y.first);
cairo_set_source_rgba (cr, 1, 1, 1, 0.25);
cairo_fill_preserve (cr);
cairo_set_line_width (cr, 1);
_end = _session->current_end_frame() + session_length * _overhang_fraction;
/* compute track height */
- size_t const N = _editor->track_views.size ();
+ int N = 0;
+ for (TrackViewList::const_iterator i = _editor->track_views.begin(); i != _editor->track_views.end(); ++i) {
+ if (!(*i)->hidden()) {
+ ++N;
+ }
+ }
+
if (N == 0) {
_track_height = 16;
} else {
double y = 0;
for (TrackViewList::const_iterator i = _editor->track_views.begin(); i != _editor->track_views.end(); ++i) {
+ if ((*i)->hidden()) {
+ continue;
+ }
+
cairo_set_source_rgb (cr, 0.2, 0.2, 0.2);
cairo_set_line_width (cr, _track_height - 2);
cairo_move_to (cr, 0, y + _track_height / 2);
_start_editor_y = yr;
_start_mouse_x = ev->x;
_start_mouse_y = ev->y;
+ _start_position = get_position (ev->x, ev->y);
- if (
- _start_editor_x.first <= _start_mouse_x && _start_mouse_x <= _start_editor_x.second &&
- _start_editor_y.first <= _start_mouse_y && _start_mouse_y <= _start_editor_y.second
+ if (_start_position != INSIDE && _start_position != BELOW_OR_ABOVE &&
+ _start_position != TO_LEFT_OR_RIGHT && _start_position != OTHERWISE_OUTSIDE
) {
- _start_position = IN_VIEWBOX;
-
- } else if (_start_editor_x.first <= _start_mouse_x && _start_mouse_x <= _start_editor_x.second) {
-
- _start_position = BELOW_OR_ABOVE_VIEWBOX;
-
- } else {
-
- _start_position = TO_LEFT_OR_RIGHT_OF_VIEWBOX;
- }
+ /* start a zoom drag */
- if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
-
- /* primary-modifier-click: start a zoom drag */
-
- double const hx = (xr.first + xr.second) * 0.5;
- _zoom_left = ev->x < hx;
+ _zoom_position = get_position (ev->x, ev->y);
_zoom_dragging = true;
_editor->_dragging_playhead = true;
-
- /* In theory, we could support vertical dragging, which logically
- might scale track heights in order to make the editor reflect
- the dragged viewbox. However, having tried this:
- a) it's hard to do
- b) it's quite slow
- c) it doesn't seem particularly useful, especially with the
- limited height of the summary
-
- So at the moment we don't support that...
- */
-
-
} else if (Keyboard::modifier_state_equals (ev->state, Keyboard::SecondaryModifier)) {
/* secondary-modifier-click: locate playhead */
} else {
- /* ordinary click: start a move drag */
+ /* start a move drag */
_move_dragging = true;
_moved = false;
return true;
}
+/** Fill in x and y with the editor's current viewable area in summary coordinates */
void
EditorSummary::get_editor (pair<double, double>* x, pair<double, double>* y) const
{
+ assert (x);
+ assert (y);
+
x->first = (_editor->leftmost_position () - _start) * _x_scale;
x->second = x->first + _editor->current_page_frames() * _x_scale;
y->second = editor_y_to_summary (_editor->vertical_adjustment.get_value () + _editor->canvas_height() - _editor->get_canvas_timebars_vsize());
}
+/** Get an expression of the position of a point with respect to the view rectangle */
+EditorSummary::Position
+EditorSummary::get_position (double x, double y) const
+{
+ /* how close the mouse has to be to the edge of the view rectangle to be considered `on it',
+ in pixels */
+
+ int x_edge_size = (_view_rectangle_x.second - _view_rectangle_x.first) / 4;
+ x_edge_size = min (x_edge_size, 8);
+ x_edge_size = max (x_edge_size, 1);
+
+ int y_edge_size = (_view_rectangle_y.second - _view_rectangle_y.first) / 4;
+ y_edge_size = min (y_edge_size, 8);
+ y_edge_size = max (y_edge_size, 1);
+
+ bool const near_left = (std::abs (x - _view_rectangle_x.first) < x_edge_size);
+ bool const near_right = (std::abs (x - _view_rectangle_x.second) < x_edge_size);
+ bool const near_top = (std::abs (y - _view_rectangle_y.first) < y_edge_size);
+ bool const near_bottom = (std::abs (y - _view_rectangle_y.second) < y_edge_size);
+ bool const within_x = _view_rectangle_x.first < x && x < _view_rectangle_x.second;
+ bool const within_y = _view_rectangle_y.first < y && y < _view_rectangle_y.second;
+
+ if (near_left && near_top) {
+ return LEFT_TOP;
+ } else if (near_left && near_bottom) {
+ return LEFT_BOTTOM;
+ } else if (near_right && near_top) {
+ return RIGHT_TOP;
+ } else if (near_right && near_bottom) {
+ return RIGHT_BOTTOM;
+ } else if (near_left && within_y) {
+ return LEFT;
+ } else if (near_right && within_y) {
+ return RIGHT;
+ } else if (near_top && within_x) {
+ return TOP;
+ } else if (near_bottom && within_x) {
+ return BOTTOM;
+ } else if (within_x && within_y) {
+ return INSIDE;
+ } else if (within_x) {
+ return BELOW_OR_ABOVE;
+ } else if (within_y) {
+ return TO_LEFT_OR_RIGHT;
+ } else {
+ return OTHERWISE_OUTSIDE;
+ }
+}
+
+void
+EditorSummary::set_cursor (Position p)
+{
+ switch (p) {
+ case LEFT:
+ get_window()->set_cursor (*_editor->_cursors->resize_left);
+ break;
+ case LEFT_TOP:
+ get_window()->set_cursor (*_editor->_cursors->resize_top_left);
+ break;
+ case TOP:
+ get_window()->set_cursor (*_editor->_cursors->resize_top);
+ break;
+ case RIGHT_TOP:
+ get_window()->set_cursor (*_editor->_cursors->resize_top_right);
+ break;
+ case RIGHT:
+ get_window()->set_cursor (*_editor->_cursors->resize_right);
+ break;
+ case RIGHT_BOTTOM:
+ get_window()->set_cursor (*_editor->_cursors->resize_bottom_right);
+ break;
+ case BOTTOM:
+ get_window()->set_cursor (*_editor->_cursors->resize_bottom);
+ break;
+ case LEFT_BOTTOM:
+ get_window()->set_cursor (*_editor->_cursors->resize_bottom_left);
+ break;
+ case INSIDE:
+ get_window()->set_cursor (*_editor->_cursors->move);
+ break;
+ case TO_LEFT_OR_RIGHT:
+ get_window()->set_cursor (*_editor->_cursors->expand_left_right);
+ break;
+ case BELOW_OR_ABOVE:
+ get_window()->set_cursor (*_editor->_cursors->expand_up_down);
+ break;
+ default:
+ get_window()->set_cursor ();
+ break;
+ }
+}
+
bool
EditorSummary::on_motion_notify_event (GdkEventMotion* ev)
{
_moved = true;
/* don't alter x if we clicked outside and above or below the viewbox */
- if (_start_position == IN_VIEWBOX || _start_position == TO_LEFT_OR_RIGHT_OF_VIEWBOX) {
+ if (_start_position == INSIDE || _start_position == TO_LEFT_OR_RIGHT || _start_position == OTHERWISE_OUTSIDE) {
xr.first += ev->x - _start_mouse_x;
xr.second += ev->x - _start_mouse_x;
}
/* don't alter y if we clicked outside and to the left or right of the viewbox */
- if (_start_position == IN_VIEWBOX || _start_position == BELOW_OR_ABOVE_VIEWBOX) {
+ if (_start_position == INSIDE || _start_position == BELOW_OR_ABOVE) {
y += ev->y - _start_mouse_y;
}
}
set_editor (xr, y);
+ set_cursor (_start_position);
} else if (_zoom_dragging) {
double const dx = ev->x - _start_mouse_x;
+ double const dy = ev->y - _start_mouse_y;
- if (_zoom_left) {
+ if (_zoom_position == LEFT || _zoom_position == LEFT_TOP || _zoom_position == LEFT_BOTTOM) {
xr.first += dx;
- } else {
+ } else if (_zoom_position == RIGHT || _zoom_position == RIGHT_TOP || _zoom_position == RIGHT_BOTTOM) {
xr.second += dx;
}
- set_editor (xr, y);
+ if (_zoom_position == TOP || _zoom_position == LEFT_TOP || _zoom_position == RIGHT_TOP) {
+ yr.first += dy;
+ } else if (_zoom_position == BOTTOM || _zoom_position == LEFT_BOTTOM || _zoom_position == RIGHT_BOTTOM) {
+ yr.second += dy;
+ }
+
+ set_overlays_dirty ();
+ set_cursor (_zoom_position);
+ set_editor (xr, yr);
+
+ } else {
+
+ set_cursor (get_position (ev->x, ev->y));
+
}
return true;
return;
}
+ set_editor_x (x);
+ set_editor_y (y);
+}
+
+/** Set the editor to display given x and y ranges. x zoom and track heights are
+ * adjusted if necessary.
+ * x and y parameters are specified in summary coordinates.
+ */
+void
+EditorSummary::set_editor (pair<double,double> const & x, pair<double, double> const & y)
+{
+ if (_editor->pending_visual_change.idle_handler_id >= 0) {
+ /* see comment in other set_editor () */
+ return;
+ }
+
+ set_editor_x (x);
+ set_editor_y (y);
+}
+
+/** Set the x range visible in the editor.
+ * Caller should have checked that Editor::pending_visual_change.idle_handler_id is < 0
+ * @param x new x range in summary coordinates.
+ */
+void
+EditorSummary::set_editor_x (pair<double, double> const & x)
+{
+ _editor->reset_x_origin (x.first / _x_scale + _start);
+
+ double const nx = (
+ ((x.second - x.first) / _x_scale) /
+ _editor->frame_to_unit (_editor->current_page_frames())
+ );
+
+ if (nx != _editor->get_current_zoom ()) {
+ _editor->reset_zoom (nx);
+ }
+}
+
+/** Set the top of the y range visible in the editor.
+ * Caller should have checked that Editor::pending_visual_change.idle_handler_id is < 0
+ * @param y new editor top in summary coodinates.
+ */
+void
+EditorSummary::set_editor_y (double const y)
+{
double y1 = summary_y_to_editor (y);
double const eh = _editor->canvas_height() - _editor->get_canvas_timebars_vsize ();
double y2 = y1 + eh;
y1 = 0;
}
- _editor->reset_x_origin (x.first / _x_scale + _start);
_editor->reset_y_origin (y1);
+}
+
+/** Set the y range visible in the editor. This is achieved by scaling track heights,
+ * if necessary.
+ * Caller should have checked that Editor::pending_visual_change.idle_handler_id is < 0
+ * @param y new editor range in summary coodinates.
+ */
+void
+EditorSummary::set_editor_y (pair<double, double> const & y)
+{
+ /* Compute current height of tracks between y.first and y.second. We add up
+ the total height into `total_height' and the height of complete tracks into
+ `scale height'.
+ */
+ pair<double, double> yc = y;
+ double total_height = 0;
+ double scale_height = 0;
- double const nx = (
- ((x.second - x.first) / _x_scale) /
- _editor->frame_to_unit (_editor->current_page_frames())
- );
+ _editor->_routes->suspend_redisplay ();
+
+ for (TrackViewList::const_iterator i = _editor->track_views.begin(); i != _editor->track_views.end(); ++i) {
+
+ if ((*i)->hidden()) {
+ continue;
+ }
+
+ double const h = (*i)->effective_height ();
+
+ if (yc.first >= 0 && yc.first < _track_height) {
+ total_height += (_track_height - yc.first) * h / _track_height;
+ } else if (yc.first < 0 && yc.second > _track_height) {
+ total_height += h;
+ scale_height += h;
+ } else if (yc.second >= 0 && yc.second < _track_height) {
+ total_height += yc.second * h / _track_height;
+ break;
+ }
+
+ yc.first -= _track_height;
+ yc.second -= _track_height;
+ }
- if (nx != _editor->get_current_zoom ()) {
- _editor->reset_zoom (nx);
- }
+ /* hence required scale factor of the complete tracks to fit the required y range */
+ double const scale = ((_editor->canvas_height() - _editor->get_canvas_timebars_vsize()) - (total_height - scale_height)) / scale_height;
+
+ yc = y;
+
+ /* Scale complete tracks within the range to make it fit */
+
+ for (TrackViewList::const_iterator i = _editor->track_views.begin(); i != _editor->track_views.end(); ++i) {
+
+ if ((*i)->hidden()) {
+ continue;
+ }
+
+ if (yc.first < 0 && yc.second > _track_height) {
+ (*i)->set_height (max (TimeAxisView::preset_height (HeightSmall), (uint32_t) ((*i)->effective_height() * scale)));
+ }
+
+ yc.first -= _track_height;
+ yc.second -= _track_height;
+ }
+
+ _editor->_routes->resume_redisplay ();
+
+ set_editor_y (y.first);
}
void
-EditorSummary::playhead_position_changed (nframes64_t p)
+EditorSummary::playhead_position_changed (framepos_t p)
{
if (_session && int (p * _x_scale) != int (_last_playhead)) {
set_overlays_dirty ();
EditorSummary::summary_y_to_editor (double y) const
{
double ey = 0;
- TrackViewList::const_iterator i = _editor->track_views.begin ();
- while (i != _editor->track_views.end()) {
+ for (TrackViewList::const_iterator i = _editor->track_views.begin (); i != _editor->track_views.end(); ++i) {
+
+ if ((*i)->hidden()) {
+ continue;
+ }
+
double const h = (*i)->effective_height ();
if (y < _track_height) {
/* in this track */
ey += h;
y -= _track_height;
- ++i;
}
return ey;
EditorSummary::editor_y_to_summary (double y) const
{
double sy = 0;
- TrackViewList::const_iterator i = _editor->track_views.begin ();
- while (i != _editor->track_views.end()) {
+ for (TrackViewList::const_iterator i = _editor->track_views.begin (); i != _editor->track_views.end(); ++i) {
+
+ if ((*i)->hidden()) {
+ continue;
+ }
+
double const h = (*i)->effective_height ();
if (y < h) {
/* in this track */
sy += _track_height;
y -= h;
- ++i;
}
return sy;
projects / ardour.git / blobdiff