/*
- Copyright (C) 2009 Paul Davis
+ Copyright (C) 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 "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 sigc;
using namespace ARDOUR;
+using Gtkmm2ext::Keyboard;
/** Construct an EditorSummary.
* @param e Editor to represent.
*/
EditorSummary::EditorSummary (Editor* e)
- : _editor (e),
- _session (0),
- _pixmap (0),
- _regions_dirty (true),
- _width (512),
- _height (64),
+ : EditorComponent (e),
+ _start (0),
+ _end (1),
+ _overhang_fraction (0.1),
_x_scale (1),
- _y_scale (1),
+ _track_height (16),
+ _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);
}
-/** Set the session.
+/** Connect to a session.
* @param s Session.
*/
void
EditorSummary::set_session (Session* s)
{
- _session = s;
-
- Region::RegionPropertyChanged.connect (sigc::hide (mem_fun (*this, &EditorSummary::set_dirty)));
-
- _session->RegionRemoved.connect (sigc::hide (mem_fun (*this, &EditorSummary::set_dirty)));
- _session->EndTimeChanged.connect (mem_fun (*this, &EditorSummary::set_dirty));
- _session->StartTimeChanged.connect (mem_fun (*this, &EditorSummary::set_dirty));
+ SessionHandlePtr::set_session (s);
set_dirty ();
-}
-/** Destroy */
-EditorSummary::~EditorSummary ()
-{
- if (_pixmap) {
- gdk_pixmap_unref (_pixmap);
+ /* Note: the EditorSummary already finds out about new regions from Editor::region_view_added
+ * (which attaches to StreamView::RegionViewAdded), and cut regions by the RegionPropertyChanged
+ * emitted when a cut region is added to the `cutlist' playlist.
+ */
+
+ if (_session) {
+ _session->StartTimeChanged.connect (_session_connections, invalidator (*this), boost::bind (&EditorSummary::set_dirty, this), gui_context());
+ _session->EndTimeChanged.connect (_session_connections, invalidator (*this), boost::bind (&EditorSummary::set_dirty, this), gui_context());
}
}
bool
EditorSummary::on_expose_event (GdkEventExpose* event)
{
- /* Render the regions pixmap */
-
- Gdk::Rectangle const exposure (
- event->area.x, event->area.y, event->area.width, event->area.height
- );
+ CairoWidget::on_expose_event (event);
- Gdk::Rectangle r = exposure;
- Gdk::Rectangle content (0, 0, _width, _height);
- bool intersects;
- r.intersect (content, intersects);
-
- if (intersects) {
-
- GdkPixmap* p = get_pixmap (get_window()->gobj ());
-
- gdk_draw_drawable (
- get_window()->gobj(),
- get_style()->get_fg_gc (Gtk::STATE_NORMAL)->gobj(),
- p,
- r.get_x(),
- r.get_y(),
- r.get_x(),
- r.get_y(),
- r.get_width(),
- r.get_height()
- );
+ if (_session == 0) {
+ return false;
}
- /* Render the view rectangle */
-
- pair<double, double> x;
- pair<double, double> y;
- get_editor (&x, &y);
-
cairo_t* cr = gdk_cairo_create (get_window()->gobj());
- 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);
+ /* 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.
+ */
+
+ if (_editor->pending_visual_change.idle_handler_id < 0) {
+ get_editor (&_view_rectangle_x, &_view_rectangle_y);
+ }
+
+ 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);
cairo_set_source_rgba (cr, 1, 1, 1, 0.5);
cairo_stroke (cr);
- cairo_destroy (cr);
-
- return true;
-}
-
-/** @param drawable GDK drawable.
- * @return pixmap for the regions.
- */
-GdkPixmap *
-EditorSummary::get_pixmap (GdkDrawable* drawable)
-{
- if (_regions_dirty) {
+ /* Playhead */
- if (_pixmap) {
- gdk_pixmap_unref (_pixmap);
- }
- _pixmap = gdk_pixmap_new (drawable, _width, _height, -1);
+ cairo_set_line_width (cr, 1);
+ /* XXX: colour should be set from configuration file */
+ cairo_set_source_rgba (cr, 1, 0, 0, 1);
- cairo_t* cr = gdk_cairo_create (_pixmap);
- render (cr);
- cairo_destroy (cr);
+ double const p = (_editor->playhead_cursor->current_frame - _start) * _x_scale;
+ cairo_move_to (cr, p, 0);
+ cairo_line_to (cr, p, _height);
+ cairo_stroke (cr);
+ _last_playhead = p;
- _regions_dirty = false;
- }
+ cairo_destroy (cr);
- return _pixmap;
+ return true;
}
/** Render the required regions to a cairo context.
void
EditorSummary::render (cairo_t* cr)
{
- if (_session == 0) {
- return;
- }
-
/* background */
-
+
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_rectangle (cr, 0, 0, _width, _height);
cairo_fill (cr);
- /* compute total height of all tracks */
-
- int h = 0;
- int max_height = 0;
- for (PublicEditor::TrackViewList::const_iterator i = _editor->track_views.begin(); i != _editor->track_views.end(); ++i) {
- int const t = (*i)->effective_height ();
- h += t;
- max_height = max (max_height, t);
+ if (_session == 0) {
+ return;
}
- nframes_t const start = _session->current_start_frame ();
- _x_scale = static_cast<double> (_width) / (_session->current_end_frame() - start);
- _y_scale = static_cast<double> (_height) / h;
-
- /* tallest a region should ever be in the summary, in pixels */
- int const tallest_region_pixels = 12;
+ /* compute start and end points for the summary */
+
+ nframes_t const session_length = _session->current_end_frame() - _session->current_start_frame ();
+ double const theoretical_start = _session->current_start_frame() - session_length * _overhang_fraction;
+ _start = theoretical_start > 0 ? theoretical_start : 0;
+ _end = _session->current_end_frame() + session_length * _overhang_fraction;
+
+ /* compute track height */
+ 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 {
+ _track_height = (double) _height / N;
+ }
- if (max_height * _y_scale > tallest_region_pixels) {
- _y_scale = static_cast<double> (tallest_region_pixels) / max_height;
+ /* calculate x scale */
+ if (_end != _start) {
+ _x_scale = static_cast<double> (_width) / (_end - _start);
+ } else {
+ _x_scale = 1;
}
- /* render regions */
+ /* render tracks and regions */
double y = 0;
- for (PublicEditor::TrackViewList::const_iterator i = _editor->track_views.begin(); i != _editor->track_views.end(); ++i) {
+ 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);
+ cairo_line_to (cr, _width, y + _track_height / 2);
+ cairo_stroke (cr);
+
StreamView* s = (*i)->view ();
if (s) {
- double const h = (*i)->effective_height () * _y_scale;
- cairo_set_line_width (cr, h);
+ cairo_set_line_width (cr, _track_height * 0.6);
- s->foreach_regionview (bind (
- mem_fun (*this, &EditorSummary::render_region),
+ s->foreach_regionview (sigc::bind (
+ sigc::mem_fun (*this, &EditorSummary::render_region),
cr,
- start,
- y + h / 2
+ y + _track_height / 2
));
- y += h;
}
+
+ y += _track_height;
}
+ /* start and end markers */
+
+ cairo_set_line_width (cr, 1);
+ cairo_set_source_rgb (cr, 1, 1, 0);
+
+ double const p = (_session->current_start_frame() - _start) * _x_scale;
+ cairo_move_to (cr, p, 0);
+ cairo_line_to (cr, p, _height);
+ cairo_stroke (cr);
+
+ double const q = (_session->current_end_frame() - _start) * _x_scale;
+ cairo_move_to (cr, q, 0);
+ cairo_line_to (cr, q, _height);
+ cairo_stroke (cr);
}
/** Render a region for the summary.
* @param r Region view.
* @param cr Cairo context.
- * @param start Frame offset that the summary starts at.
* @param y y coordinate to render at.
*/
void
-EditorSummary::render_region (RegionView* r, cairo_t* cr, nframes_t start, double y) const
+EditorSummary::render_region (RegionView* r, cairo_t* cr, double y) const
{
uint32_t const c = r->get_fill_color ();
cairo_set_source_rgb (cr, UINT_RGBA_R (c) / 255.0, UINT_RGBA_G (c) / 255.0, UINT_RGBA_B (c) / 255.0);
-
- cairo_move_to (cr, (r->region()->position() - start) * _x_scale, y);
- cairo_line_to (cr, ((r->region()->position() - start + r->region()->length())) * _x_scale, y);
- cairo_stroke (cr);
-}
-/** Set the summary so that the whole thing will be re-rendered next time it is required */
-void
-EditorSummary::set_dirty ()
-{
- ENSURE_GUI_THREAD (mem_fun (*this, &EditorSummary::set_dirty));
+ if (r->region()->position() > _start) {
+ cairo_move_to (cr, (r->region()->position() - _start) * _x_scale, y);
+ } else {
+ cairo_move_to (cr, 0, y);
+ }
- _regions_dirty = true;
- queue_draw ();
+ if ((r->region()->position() + r->region()->length()) > _start) {
+ cairo_line_to (cr, ((r->region()->position() - _start + r->region()->length())) * _x_scale, y);
+ } else {
+ cairo_line_to (cr, 0, y);
+ }
+
+ cairo_stroke (cr);
}
-/** Set the summary so that just the view boundary markers will be re-rendered */
+/** Set the summary so that just the overlays (viewbox, playhead etc.) will be re-rendered */
void
-EditorSummary::set_bounds_dirty ()
+EditorSummary::set_overlays_dirty ()
{
- ENSURE_GUI_THREAD (mem_fun (*this, &EditorSummary::set_bounds_dirty));
+ ENSURE_GUI_THREAD (*this, &EditorSummary::set_overlays_dirty)
queue_draw ();
}
{
/* Use a dummy, small width and the actual height that we want */
req->width = 64;
- req->height = 64;
+ req->height = 32;
}
-/** Handle a size allocation.
- * @param alloc GTK allocation.
- */
-void
-EditorSummary::on_size_allocate (Gtk::Allocation& alloc)
-{
- Gtk::EventBox::on_size_allocate (alloc);
-
- _width = alloc.get_width ();
- _height = alloc.get_height ();
-
- set_dirty ();
-}
void
EditorSummary::centre_on_click (GdkEventButton* ev)
get_editor (&xr, &yr);
double const w = xr.second - xr.first;
- double const h = yr.second - yr.first;
-
+
xr.first = ev->x - w / 2;
xr.second = ev->x + w / 2;
- yr.first = ev->y - h / 2;
- yr.second = ev->y + h / 2;
if (xr.first < 0) {
xr.first = 0;
xr.first = _width - w;
}
- if (yr.first < 0) {
- yr.first = 0;
- yr.second = h;
- } else if (yr.second > _height) {
- yr.second = _height;
- yr.first = _height - h;
+ double ey = summary_y_to_editor (ev->y);
+ ey -= (_editor->canvas_height() - _editor->get_canvas_timebars_vsize ()) / 2;
+ if (ey < 0) {
+ ey = 0;
}
-
- set_editor (xr, yr);
+
+ set_editor (xr, editor_y_to_summary (ey));
}
/** Handle a button press.
EditorSummary::on_button_press_event (GdkEventButton* ev)
{
if (ev->button == 1) {
-
+
pair<double, double> xr;
pair<double, double> yr;
get_editor (&xr, &yr);
-
- if (xr.first <= ev->x && ev->x <= xr.second && yr.first <= ev->y && ev->y <= yr.second) {
-
- _start_editor_x = xr;
- _start_editor_y = yr;
- _start_mouse_x = ev->x;
- _start_mouse_y = ev->y;
-
- if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
-
- /* modifier-click inside the view rectangle: start a zoom drag */
- _zoom_position = NONE;
-
- double const x1 = xr.first + (xr.second - xr.first) * 0.33;
- double const x2 = xr.first + (xr.second - xr.first) * 0.67;
- double const y1 = yr.first + (yr.second - yr.first) * 0.33;
- double const y2 = yr.first + (yr.second - yr.first) * 0.67;
-
- if (ev->x < x1) {
-
- if (ev->y < y1) {
- _zoom_position = TOP_LEFT;
- } else if (ev->y > y2) {
- _zoom_position = BOTTOM_LEFT;
- } else {
- _zoom_position = LEFT;
- }
-
- } else if (ev->x > x2) {
-
- if (ev->y < y1) {
- _zoom_position = TOP_RIGHT;
- } else if (ev->y > y2) {
- _zoom_position = BOTTOM_RIGHT;
- } else {
- _zoom_position = RIGHT;
- }
-
- } else {
-
- if (ev->y < y1) {
- _zoom_position = TOP;
- } else if (ev->y > y2) {
- _zoom_position = BOTTOM;
- }
-
- }
-
- if (_zoom_position != NONE) {
- _zoom_dragging = true;
- _editor->_dragging_playhead = true;
- }
-
- } else {
-
- /* ordinary click inside the view rectangle: start a move drag */
-
- _move_dragging = true;
- _moved = false;
- _editor->_dragging_playhead = true;
+
+ _start_editor_x = xr;
+ _start_editor_y = yr;
+ _start_mouse_x = ev->x;
+ _start_mouse_y = ev->y;
+ _start_position = get_position (ev->x, ev->y);
+
+ if (_start_position != INSIDE && _start_position != BELOW_OR_ABOVE &&
+ _start_position != TO_LEFT_OR_RIGHT && _start_position != OTHERWISE_OUTSIDE
+ ) {
+
+ /* start a zoom drag */
+
+ _zoom_position = get_position (ev->x, ev->y);
+ _zoom_dragging = true;
+ _editor->_dragging_playhead = true;
+
+ } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::SecondaryModifier)) {
+
+ /* secondary-modifier-click: locate playhead */
+ if (_session) {
+ _session->request_locate (ev->x / _x_scale + _start);
}
-
- } else {
-
- /* click outside the view rectangle: centre the view around the mouse click */
+
+ } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::TertiaryModifier)) {
+
centre_on_click (ev);
+
+ } else {
+
+ /* start a move drag */
+
+ _move_dragging = true;
+ _moved = false;
+ _editor->_dragging_playhead = true;
}
}
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
{
- x->first = (_editor->leftmost_position () - _session->current_start_frame ()) * _x_scale;
+ assert (x);
+ assert (y);
+
+ x->first = (_editor->leftmost_position () - _start) * _x_scale;
x->second = x->first + _editor->current_page_frames() * _x_scale;
- y->first = _editor->vertical_adjustment.get_value() * _y_scale;
- y->second = y->first + _editor->canvas_height () * _y_scale;
+ y->first = editor_y_to_summary (_editor->vertical_adjustment.get_value ());
+ 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
{
pair<double, double> xr = _start_editor_x;
pair<double, double> yr = _start_editor_y;
-
+ double y = _start_editor_y.first;
+
if (_move_dragging) {
_moved = true;
- xr.first += ev->x - _start_mouse_x;
- xr.second += ev->x - _start_mouse_x;
- yr.first += ev->y - _start_mouse_y;
- yr.second += ev->y - _start_mouse_y;
-
- set_editor (xr, yr);
+ /* don't alter x if we clicked outside and above or below the 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 == INSIDE || _start_position == BELOW_OR_ABOVE) {
+ y += ev->y - _start_mouse_y;
+ }
+
+ if (xr.first < 0) {
+ xr.second -= xr.first;
+ xr.first = 0;
+ }
+
+ if (y < 0) {
+ y = 0;
+ }
+
+ 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_position == TOP_LEFT || _zoom_position == LEFT || _zoom_position == BOTTOM_LEFT) {
+ if (_zoom_position == LEFT || _zoom_position == LEFT_TOP || _zoom_position == LEFT_BOTTOM) {
xr.first += dx;
+ } else if (_zoom_position == RIGHT || _zoom_position == RIGHT_TOP || _zoom_position == RIGHT_BOTTOM) {
+ xr.second += dx;
}
- if (_zoom_position == TOP_RIGHT || _zoom_position == RIGHT || _zoom_position == BOTTOM_RIGHT) {
- xr.second += dx;
+ 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;
}
bool
-EditorSummary::on_button_release_event (GdkEventButton* ev)
+EditorSummary::on_button_release_event (GdkEventButton*)
{
- if (_move_dragging && !_moved) {
- centre_on_click (ev);
- }
-
_move_dragging = false;
_zoom_dragging = false;
_editor->_dragging_playhead = false;
EditorSummary::on_scroll_event (GdkEventScroll* ev)
{
/* mouse wheel */
-
+
pair<double, double> xr;
pair<double, double> yr;
get_editor (&xr, &yr);
+ double y = yr.first;
+
+ double amount = 8;
+
+ if (Keyboard::modifier_state_contains (ev->state, Keyboard::SecondaryModifier)) {
+ amount = 64;
+ } else if (Keyboard::modifier_state_contains (ev->state, Keyboard::TertiaryModifier)) {
+ amount = 1;
+ }
- double const amount = 8;
-
if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
-
+
+ /* primary-wheel == left-right scrolling */
+
if (ev->direction == GDK_SCROLL_UP) {
xr.first += amount;
xr.second += amount;
- } else {
+ } else if (ev->direction == GDK_SCROLL_DOWN) {
xr.first -= amount;
xr.second -= amount;
}
} else {
-
+
if (ev->direction == GDK_SCROLL_DOWN) {
- yr.first += amount;
- yr.second += amount;
- } else {
- yr.first -= amount;
- yr.second -= amount;
+ y += amount;
+ } else if (ev->direction == GDK_SCROLL_UP) {
+ y -= amount;
+ } else if (ev->direction == GDK_SCROLL_LEFT) {
+ xr.first -= amount;
+ xr.second -= amount;
+ } else if (ev->direction == GDK_SCROLL_RIGHT) {
+ xr.first += amount;
+ xr.second += amount;
}
}
-
- set_editor (xr, yr);
+
+ set_editor (xr, y);
return true;
}
+/** Set the editor to display a given x range and a y range with the top at a given position.
+ * The editor's x zoom is adjusted if necessary, but the y zoom is not changed.
+ * x and y parameters are specified in summary coordinates.
+ */
void
-EditorSummary::set_editor (pair<double,double> const & x, pair<double, double> const & y)
+EditorSummary::set_editor (pair<double,double> const & x, double const y)
{
- if (_editor->pending_visual_change.idle_handler_id < 0) {
+ if (_editor->pending_visual_change.idle_handler_id >= 0) {
/* As a side-effect, the Editor's visual change idle handler processes
pending GTK events. Hence this motion notify handler can be called
in the middle of a visual change idle handler, and if this happens,
the queue_visual_change calls below modify the variables that the
- idle handler is working with. This causes problems. Hence the
- check above. It ensures that we won't modify the pending visual change
+ idle handler is working with. This causes problems. Hence this
+ check. It ensures that we won't modify the pending visual change
while a visual change idle handler is in progress. It's not perfect,
as it also means that we won't change these variables if an idle handler
is merely pending but not executing. But c'est la vie.
*/
- _editor->reset_x_origin (x.first / _x_scale);
- _editor->reset_y_origin (y.first / _y_scale);
+ return;
+ }
+
+ set_editor_x (x);
+ set_editor_y (y);
+}
- double const nx = (
- ((x.second - x.first) / _x_scale) /
- _editor->frame_to_unit (_editor->current_page_frames())
- );
+/** 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);
+ }
+}
- 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;
+
+ double const full_editor_height = _editor->full_canvas_height - _editor->get_canvas_timebars_vsize();
+
+ if (y2 > full_editor_height) {
+ y1 -= y2 - full_editor_height;
+ }
+
+ if (y1 < 0) {
+ y1 = 0;
+ }
+
+ _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;
+
+ _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;
}
+
+ /* 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 (framepos_t p)
+{
+ if (_session && int (p * _x_scale) != int (_last_playhead)) {
+ set_overlays_dirty ();
+ }
+}
+
+double
+EditorSummary::summary_y_to_editor (double y) const
+{
+ double ey = 0;
+ 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 */
+ return ey + y * h / _track_height;
+ }
+
+ ey += h;
+ y -= _track_height;
+ }
+
+ return ey;
+}
+
+double
+EditorSummary::editor_y_to_summary (double y) const
+{
+ double sy = 0;
+ 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 */
+ return sy + y * _track_height / h;
+ }
+
+ sy += _track_height;
+ y -= h;
+ }
+
+ return sy;
}
projects / ardour.git / blobdiff