along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id$
*/
#include <cmath>
#include <climits>
#include <vector>
+#include <fstream>
#include <pbd/stl_delete.h>
#include <pbd/memento_command.h>
+#include <pbd/stacktrace.h>
#include <ardour/automation_event.h>
#include <ardour/curve.h>
line->signal_event().connect (mem_fun (*this, &AutomationLine::event_handler));
alist.StateChanged.connect (mem_fun(*this, &AutomationLine::list_changed));
+
+ trackview.session().register_with_memento_command_factory(alist.id(), this);
+
}
AutomationLine::~AutomationLine ()
}
}
-void
-AutomationLine::set_point_size (double sz)
-{
- for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
- (*i)->set_size (sz);
- }
-}
-
void
AutomationLine::show ()
{
_visible = false;
}
+double
+AutomationLine::control_point_box_size ()
+{
+ if (_height > TimeAxisView::hLarger) {
+ return 8.0;
+ } else if (_height > (guint32) TimeAxisView::hNormal) {
+ return 6.0;
+ }
+ return 4.0;
+}
+
void
AutomationLine::set_height (guint32 h)
{
if (h != _height) {
_height = h;
- if (_height > (guint32) TimeAxisView::Larger) {
- set_point_size (8.0);
- } else if (_height > (guint32) TimeAxisView::Normal) {
- set_point_size (6.0);
- } else {
- set_point_size (4.0);
+ double bsz = control_point_box_size();
+
+ for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
+ (*i)->set_size (bsz);
}
reset ();
}
}
-void
-AutomationLine::modify_view (ControlPoint& cp, double x, double y, bool with_push)
-{
- modify_view_point (cp, x, y, with_push);
- update_line ();
-}
-
void
AutomationLine::modify_view_point (ControlPoint& cp, double x, double y, bool with_push)
{
ControlPoint* after;
/* find the first point that can't move */
-
+
for (uint32_t n = cp.view_index + 1; (after = nth (n)) != 0; ++n) {
if (!after->can_slide) {
x_limit = after->get_x() - 1.0;
void
AutomationLine::reset_line_coords (ControlPoint& cp)
{
- line_points[cp.view_index].set_x (cp.get_x());
- line_points[cp.view_index].set_y (cp.get_y());
-}
-
-void
-AutomationLine::update_line ()
-{
- line->property_points() = line_points;
+ if (cp.view_index < line_points.size()) {
+ line_points[cp.view_index].set_x (cp.get_x());
+ line_points[cp.view_index].set_y (cp.get_y());
+ }
}
void
for (uint32_t i = start; i <= end; ++i) {
p = nth(i);
- sync_model_with_view_point(*p);
+ sync_model_with_view_point (*p, false, 0);
}
-
-
}
void
line to convert them to something relevant.
*/
- mr.xval = (jack_nframes_t) floor (cp.get_x());
+ mr.xval = (nframes_t) floor (cp.get_x());
mr.yval = 1.0 - (cp.get_y() / _height);
-
/* if xval has not changed, set it directly from the model to avoid rounding errors */
if (mr.xval == trackview.editor.frame_to_unit((*cp.model)->when)) {
- mr.xval = (jack_nframes_t) (*cp.model)->when;
+ mr.xval = (nframes_t) (*cp.model)->when;
} else {
mr.xval = trackview.editor.unit_to_frame (mr.xval);
}
-
/* virtual call: this will do the right thing
for whatever particular type of line we are.
*/
/* part 2: find out where the model point is now
*/
- mr.xpos = (jack_nframes_t) (*cp.model)->when;
+ mr.xpos = (nframes_t) (*cp.model)->when;
mr.ypos = (*cp.model)->value;
/* part 3: get the position of the visual control
after = nth (cp.view_index + 1);
if (before) {
- mr.xmin = (jack_nframes_t) (*before->model)->when;
+ mr.xmin = (nframes_t) (*before->model)->when;
mr.ymin = (*before->model)->value;
mr.start = before->model;
++mr.start;
}
}
-void
-AutomationLine::sync_model_from (ControlPoint& cp)
-{
- ControlPoint* p;
- uint32_t lasti;
-
- sync_model_with_view_point (cp);
-
- /* we might have moved all points after `cp' by some amount
- if we pressed the with_push modifyer some of the time during the drag
- so all subsequent points have to be resynced
- */
-
- lasti = control_points.size() - 1;
- p = nth (lasti);
-
- update_pending = true;
-
- while (p != &cp && lasti) {
- sync_model_with_view_point (*p);
- --lasti;
- p = nth (lasti);
- }
-}
-
-void
-AutomationLine::sync_model_with_view_point (ControlPoint& cp)
-{
- ModelRepresentation mr;
- double ydelta;
-
- model_representation (cp, mr);
-
- /* part 4: how much are we changing the central point by */
-
- ydelta = mr.yval - mr.ypos;
-
- /* IMPORTANT: changing the model when the x-coordinate changes
- may invalidate the iterators that we are using. this means that we have
- to change the points before+after the one corresponding to the visual CP
- first (their x-coordinate doesn't change). then we change the
- "main" point.
-
- apply the full change to the central point, and interpolate
- in each direction to cover all model points represented
- by the control point.
- */
-
- /* part 5: change all points before the primary point */
-
- for (AutomationList::iterator i = mr.start; i != cp.model; ++i) {
-
- double delta;
-
- delta = ydelta * ((*i)->when - mr.xmin) / (mr.xpos - mr.xmin);
-
- /* x-coordinate (generally time) stays where it is,
- y-coordinate moves by a certain amount.
- */
-
- update_pending = true;
- change_model (i, (*i)->when, mr.yval + delta);
- }
-
- /* part 6: change later points */
-
- AutomationList::iterator i = cp.model;
-
- ++i;
-
- while (i != mr.end) {
-
- double delta;
-
- delta = ydelta * (mr.xmax - (*i)->when) / (mr.xmax - mr.xpos);
-
- /* x-coordinate (generally time) stays where it is,
- y-coordinate moves by a certain amount.
- */
-
- update_pending = true;
- change_model (i, (*i)->when, (*i)->value + delta);
-
- ++i;
- }
-
- /* part 7: change the primary point */
-
- update_pending = true;
- change_model (cp.model, mr.xval, mr.yval);
-}
-
void
AutomationLine::determine_visible_control_points (ALPoints& points)
{
uint32_t this_ry = 0;
uint32_t prev_ry = 0;
double* slope;
+ uint32_t box_size;
+ uint32_t cpsize;
/* hide all existing points, and the line */
+
+ cpsize = 0;
for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
(*i)->hide();
+ ++cpsize;
}
line->hide ();
slope[n] = ydelta/xdelta;
}
+ box_size = (uint32_t) control_point_box_size ();
+
/* read all points and decide which ones to show as control points */
view_index = 0;
*/
this_rx = (uint32_t) rint (tx);
- this_ry = (unsigned long) rint (ty);
-
- if (view_index && pi != npoints && (this_rx == prev_rx) && (this_ry == prev_ry)) {
+ this_ry = (uint32_t) rint (ty);
+ if (view_index && pi != npoints && /* not the first, not the last */
+ (((this_rx == prev_rx) && (this_ry == prev_ry)) || /* same point */
+ (((this_rx - prev_rx) < (box_size + 2)) && /* not identical, but still too close horizontally */
+ (abs ((int)(this_ry - prev_ry)) < (int) (box_size + 2))))) { /* too close vertically */
continue;
}
/* ok, we should display this point */
- if (view_index >= control_points.size()) {
+ if (view_index >= cpsize) {
+
/* make sure we have enough control points */
ControlPoint* ncp = new ControlPoint (*this);
-
- if (_height > (guint32) TimeAxisView::Larger) {
- ncp->set_size (8.0);
- } else if (_height > (guint32) TimeAxisView::Normal) {
- ncp->set_size (6.0);
- } else {
- ncp->set_size (4.0);
- }
+
+ ncp->set_size (box_size);
control_points.push_back (ncp);
+ ++cpsize;
}
ControlPoint::ShapeType shape;
view_index++;
}
-
+
/* discard extra CP's to avoid confusing ourselves */
while (control_points.size() > view_index) {
line_points.push_back (Art::Point (0,0));
}
+ while (line_points.size() > npoints) {
+ line_points.pop_back ();
+ }
+
for (view_index = 0; view_index < npoints; ++view_index) {
line_points[view_index].set_x (control_points[view_index]->get_x());
line_points[view_index].set_y (control_points[view_index]->get_y());
if (_visible) {
line->show ();
}
+
}
set_selected_points (trackview.editor.get_selection().points);
+
}
string
}
void
-AutomationLine::start_drag (ControlPoint* cp, float fraction)
+AutomationLine::start_drag (ControlPoint* cp, nframes_t x, float fraction)
{
if (trackview.editor.current_session() == 0) { /* how? */
return;
}
trackview.editor.current_session()->begin_reversible_command (str);
- trackview.editor.current_session()->add_command (new MementoUndoCommand<AutomationLine>(*this, get_state()));
+ trackview.editor.current_session()->add_command (new MementoCommand<AutomationList>(alist, &get_state(), 0));
+ drag_x = x;
+ drag_distance = 0;
first_drag_fraction = fraction;
last_drag_fraction = fraction;
drags = 0;
+ did_push = false;
}
void
-AutomationLine::point_drag (ControlPoint& cp, jack_nframes_t x, float fraction, bool with_push)
+AutomationLine::point_drag (ControlPoint& cp, nframes_t x, float fraction, bool with_push)
{
- modify_view (cp, x, fraction, with_push);
+ if (x > drag_x) {
+ drag_distance += (x - drag_x);
+ } else {
+ drag_distance -= (drag_x - x);
+ }
+
+ drag_x = x;
+
+ modify_view_point (cp, x, fraction, with_push);
+
+ if (line_points.size() > 1) {
+ line->property_points() = line_points;
+ }
+
drags++;
+ did_push = with_push;
}
void
AutomationLine::line_drag (uint32_t i1, uint32_t i2, float fraction, bool with_push)
{
double ydelta = fraction - last_drag_fraction;
+
+ did_push = with_push;
last_drag_fraction = fraction;
modify_view_point (*cp, trackview.editor.unit_to_frame (cp->get_x()), ((_height - cp->get_y()) /_height) + ydelta, with_push);
}
- update_line ();
+ if (line_points.size() > 1) {
+ line->property_points() = line_points;
+ }
drags++;
}
void
AutomationLine::end_drag (ControlPoint* cp)
{
- if (drags) {
+ if (!drags) {
+ return;
+ }
- if (cp) {
- sync_model_from (*cp);
- } else {
- sync_model_with_view_line (line_drag_cp1, line_drag_cp2);
+ alist.freeze ();
+
+ if (cp) {
+ sync_model_with_view_point (*cp, did_push, drag_distance);
+ } else {
+ sync_model_with_view_line (line_drag_cp1, line_drag_cp2);
+ }
+
+ alist.thaw ();
+
+ update_pending = false;
+
+ trackview.editor.current_session()->add_command (new MementoCommand<AutomationList>(alist, 0, &alist.get_state()));
+ trackview.editor.current_session()->commit_reversible_command ();
+ trackview.editor.current_session()->set_dirty ();
+}
+
+
+void
+AutomationLine::sync_model_with_view_point (ControlPoint& cp, bool did_push, int64_t distance)
+{
+ ModelRepresentation mr;
+ double ydelta;
+
+ model_representation (cp, mr);
+
+ /* how much are we changing the central point by */
+
+ ydelta = mr.yval - mr.ypos;
+
+ /*
+ apply the full change to the central point, and interpolate
+ on both axes to cover all model points represented
+ by the control point.
+ */
+
+ /* change all points before the primary point */
+
+ for (AutomationList::iterator i = mr.start; i != cp.model; ++i) {
+
+ double fract = ((*i)->when - mr.xmin) / (mr.xpos - mr.xmin);
+ double y_delta = ydelta * fract;
+ double x_delta = distance * fract;
+
+ /* interpolate */
+
+ if (y_delta || x_delta) {
+ alist.modify (i, (*i)->when + x_delta, mr.ymin + y_delta);
+ }
+ }
+
+ /* change the primary point */
+
+ update_pending = true;
+ alist.modify (cp.model, mr.xval, mr.yval);
+
+
+ /* change later points */
+
+ AutomationList::iterator i = cp.model;
+
+ ++i;
+
+ while (i != mr.end) {
+
+ double delta = ydelta * (mr.xmax - (*i)->when) / (mr.xmax - mr.xpos);
+
+ /* all later points move by the same distance along the x-axis as the main point */
+
+ if (delta) {
+ alist.modify (i, (*i)->when + distance, (*i)->value + delta);
}
+
+ ++i;
+ }
+
+ if (did_push) {
- update_pending = false;
+ /* move all points after the range represented by the view by the same distance
+ as the main point moved.
+ */
- trackview.editor.current_session()->add_command (new MementoRedoCommand<AutomationLine>(*this, get_state()));
- trackview.editor.current_session()->commit_reversible_command ();
- trackview.editor.current_session()->set_dirty ();
+ alist.slide (mr.end, drag_distance);
}
+
}
bool
model_representation (cp, mr);
trackview.editor.current_session()->begin_reversible_command (_("remove control point"));
- XMLNode &before = get_state();
+ XMLNode &before = alist.get_state();
alist.erase (mr.start, mr.end);
- trackview.editor.current_session()->add_command(new MementoCommand<AutomationLine>(*this, before, get_state()));
+ trackview.editor.current_session()->add_command(new MementoCommand<AutomationList>(alist, &before, &alist.get_state()));
trackview.editor.current_session()->commit_reversible_command ();
trackview.editor.current_session()->set_dirty ();
}
void
-AutomationLine::get_selectables (jack_nframes_t& start, jack_nframes_t& end,
+AutomationLine::get_selectables (nframes_t& start, nframes_t& end,
double botfrac, double topfrac, list<Selectable*>& results)
{
double top;
double bot;
- jack_nframes_t nstart;
- jack_nframes_t nend;
+ nframes_t nstart;
+ nframes_t nend;
bool collecting = false;
/* Curse X11 and its inverted coordinate system! */
for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
- jack_nframes_t when = (jack_nframes_t) (*(*i)->model)->when;
+ nframes_t when = (nframes_t) (*(*i)->model)->when;
if (when >= start && when <= end) {
{
TimeSelection& time (trackview.editor.get_selection().time);
- // cerr << "show selection\n";
-
for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
(*i)->selected = false;
void
AutomationLine::hide_selection ()
{
- // cerr << "hide selection\n";
// show_selection ();
}
-
-// This is copied into AudioRegionGainLine
-UndoAction
-AutomationLine::get_memento ()
-{
- return alist.get_memento();
-}
-
void
-AutomationLine::list_changed (Change ignored)
+AutomationLine::list_changed ()
{
queue_reset ();
}
for (ai = events.const_begin(); ai != events.const_end(); ++ai) {
- double translated_y;
-
- translated_y = (*ai)->value;
+ double translated_y = (*ai)->value;
model_to_view_y (translated_y);
tmp_points.push_back (ALPoint (trackview.editor.frame_to_unit ((*ai)->when),
/* parent must create command */
XMLNode &before = get_state();
alist.clear();
- trackview.editor.current_session()->add_command (new MementoCommand<AutomationLine>(*this, before, get_state()));
+ trackview.editor.current_session()->add_command (new MementoCommand<AutomationLine>(*this, &before, &get_state()));
trackview.editor.current_session()->commit_reversible_command ();
trackview.editor.current_session()->set_dirty ();
}
void
AutomationLine::change_model (AutomationList::iterator i, double x, double y)
{
- alist.modify (i, (jack_nframes_t) x, y);
}
void
}
}
-XMLNode &AutomationLine::get_state(void)
+XMLNode &
+AutomationLine::get_state (void)
{
- // TODO
- return alist.get_state();
+ /* function as a proxy for the model */
+ return alist.get_state();
}
-int AutomationLine::set_state(const XMLNode &node)
+int
+AutomationLine::set_state (const XMLNode &node)
{
- // TODO
- alist.set_state(node);
+ /* function as a proxy for the model */
+ return alist.set_state (node);
}
projects / ardour.git / blobdiff