2009-06-15 18:45:05 -04:00
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/*
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Copyright (C) 2009 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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2009-06-10 21:05:01 -04:00
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#include "ardour/session.h"
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#include "time_axis_view.h"
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#include "streamview.h"
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#include "editor_summary.h"
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#include "gui_thread.h"
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#include "editor.h"
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#include "region_view.h"
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2009-06-14 15:01:22 -04:00
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#include "rgb_macros.h"
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2009-06-14 21:21:30 -04:00
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#include "keyboard.h"
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2009-06-10 21:05:01 -04:00
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using namespace std;
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using namespace sigc;
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using namespace ARDOUR;
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2009-06-11 10:49:20 -04:00
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/** Construct an EditorSummary.
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* @param e Editor to represent.
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*/
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2009-06-10 21:05:01 -04:00
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EditorSummary::EditorSummary (Editor* e)
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: _editor (e),
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_session (0),
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_pixmap (0),
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_regions_dirty (true),
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_width (512),
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2009-06-17 12:11:53 -04:00
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_height (32),
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_x_scale (1),
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_y_scale (1),
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_last_playhead (-1),
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_move_dragging (false),
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_moved (false),
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_zoom_dragging (false)
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2009-06-13 13:52:51 -04:00
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2009-06-10 21:05:01 -04:00
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{
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}
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2009-06-11 10:49:20 -04:00
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/** Set the session.
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* @param s Session.
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*/
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2009-06-10 21:05:01 -04:00
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void
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EditorSummary::set_session (Session* s)
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{
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_session = s;
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Region::RegionPropertyChanged.connect (sigc::hide (mem_fun (*this, &EditorSummary::set_dirty)));
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_session->RegionRemoved.connect (sigc::hide (mem_fun (*this, &EditorSummary::set_dirty)));
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_session->EndTimeChanged.connect (mem_fun (*this, &EditorSummary::set_dirty));
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_session->StartTimeChanged.connect (mem_fun (*this, &EditorSummary::set_dirty));
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2009-06-16 20:29:56 -04:00
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_editor->playhead_cursor->PositionChanged.connect (mem_fun (*this, &EditorSummary::playhead_position_changed));
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2009-06-10 21:05:01 -04:00
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set_dirty ();
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}
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2009-06-11 10:49:20 -04:00
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/** Destroy */
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2009-06-10 21:05:01 -04:00
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EditorSummary::~EditorSummary ()
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{
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if (_pixmap) {
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gdk_pixmap_unref (_pixmap);
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}
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}
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2009-06-11 10:49:20 -04:00
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/** Handle an expose event.
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* @param event Event from GTK.
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*/
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2009-06-10 21:05:01 -04:00
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bool
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EditorSummary::on_expose_event (GdkEventExpose* event)
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{
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/* Render the regions pixmap */
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2009-06-10 21:05:01 -04:00
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Gdk::Rectangle const exposure (
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event->area.x, event->area.y, event->area.width, event->area.height
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);
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Gdk::Rectangle r = exposure;
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Gdk::Rectangle content (0, 0, _width, _height);
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bool intersects;
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r.intersect (content, intersects);
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if (intersects) {
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GdkPixmap* p = get_pixmap (get_window()->gobj ());
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gdk_draw_drawable (
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get_window()->gobj(),
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get_style()->get_fg_gc (Gtk::STATE_NORMAL)->gobj(),
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p,
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r.get_x(),
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r.get_y(),
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r.get_x(),
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r.get_y(),
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r.get_width(),
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r.get_height()
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);
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}
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2009-06-16 20:29:56 -04:00
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cairo_t* cr = gdk_cairo_create (get_window()->gobj());
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2009-06-13 13:52:51 -04:00
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/* Render the view rectangle */
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pair<double, double> x;
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pair<double, double> y;
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get_editor (&x, &y);
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2009-06-13 13:52:51 -04:00
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cairo_move_to (cr, x.first, y.first);
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cairo_line_to (cr, x.second, y.first);
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cairo_line_to (cr, x.second, y.second);
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cairo_line_to (cr, x.first, y.second);
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cairo_line_to (cr, x.first, y.first);
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2009-06-14 17:22:05 -04:00
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cairo_set_source_rgba (cr, 1, 1, 1, 0.25);
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cairo_fill_preserve (cr);
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cairo_set_line_width (cr, 1);
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cairo_set_source_rgba (cr, 1, 1, 1, 0.5);
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cairo_stroke (cr);
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2009-06-10 21:05:01 -04:00
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2009-06-16 20:29:56 -04:00
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/* Playhead */
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cairo_set_line_width (cr, 1);
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/* XXX: colour should be set from configuration file */
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cairo_set_source_rgba (cr, 1, 0, 0, 1);
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double const p = _editor->playhead_cursor->current_frame * _x_scale;
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cairo_move_to (cr, p, 0);
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cairo_line_to (cr, p, _height);
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cairo_stroke (cr);
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_last_playhead = p;
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2009-06-10 21:05:01 -04:00
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cairo_destroy (cr);
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return true;
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}
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2009-06-11 10:49:20 -04:00
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/** @param drawable GDK drawable.
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* @return pixmap for the regions.
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*/
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GdkPixmap *
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EditorSummary::get_pixmap (GdkDrawable* drawable)
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{
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if (_regions_dirty) {
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if (_pixmap) {
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gdk_pixmap_unref (_pixmap);
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}
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_pixmap = gdk_pixmap_new (drawable, _width, _height, -1);
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cairo_t* cr = gdk_cairo_create (_pixmap);
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render (cr);
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cairo_destroy (cr);
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_regions_dirty = false;
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}
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return _pixmap;
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}
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2009-06-11 10:49:20 -04:00
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/** Render the required regions to a cairo context.
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* @param cr Context.
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*/
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2009-06-10 21:05:01 -04:00
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void
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EditorSummary::render (cairo_t* cr)
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{
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if (_session == 0) {
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return;
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}
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/* background */
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2009-06-10 21:05:01 -04:00
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cairo_set_source_rgb (cr, 0, 0, 0);
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cairo_rectangle (cr, 0, 0, _width, _height);
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cairo_fill (cr);
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2009-06-13 13:52:51 -04:00
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/* compute total height of all tracks */
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2009-06-14 09:30:21 -04:00
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int h = 0;
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2009-06-14 21:36:46 -04:00
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int max_height = 0;
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2009-06-10 21:05:01 -04:00
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for (PublicEditor::TrackViewList::const_iterator i = _editor->track_views.begin(); i != _editor->track_views.end(); ++i) {
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int const t = (*i)->effective_height ();
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h += t;
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max_height = max (max_height, t);
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}
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nframes_t const start = _session->current_start_frame ();
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_x_scale = static_cast<double> (_width) / (_session->current_end_frame() - start);
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_y_scale = static_cast<double> (_height) / h;
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2009-06-10 21:05:01 -04:00
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2009-06-14 21:36:46 -04:00
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/* tallest a region should ever be in the summary, in pixels */
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2009-06-17 12:11:53 -04:00
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int const tallest_region_pixels = 4;
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2009-06-14 21:36:46 -04:00
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2009-06-15 18:45:05 -04:00
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if (max_height * _y_scale > tallest_region_pixels) {
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_y_scale = static_cast<double> (tallest_region_pixels) / max_height;
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2009-06-14 21:36:46 -04:00
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}
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2009-06-11 10:49:20 -04:00
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/* render regions */
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double y = 0;
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2009-06-10 21:05:01 -04:00
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for (PublicEditor::TrackViewList::const_iterator i = _editor->track_views.begin(); i != _editor->track_views.end(); ++i) {
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StreamView* s = (*i)->view ();
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2009-06-13 13:52:51 -04:00
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if (s) {
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double const h = (*i)->effective_height () * _y_scale;
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cairo_set_line_width (cr, h);
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2009-06-14 09:31:00 -04:00
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2009-06-10 21:05:01 -04:00
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s->foreach_regionview (bind (
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mem_fun (*this, &EditorSummary::render_region),
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cr,
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start,
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y + h / 2
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));
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2009-06-13 13:52:51 -04:00
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y += h;
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2009-06-10 21:05:01 -04:00
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}
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}
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}
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2009-06-11 10:49:20 -04:00
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/** Render a region for the summary.
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* @param r Region view.
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* @param cr Cairo context.
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* @param start Frame offset that the summary starts at.
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* @param y y coordinate to render at.
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*/
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2009-06-10 21:05:01 -04:00
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void
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EditorSummary::render_region (RegionView* r, cairo_t* cr, nframes_t start, double y) const
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{
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2009-06-14 15:01:22 -04:00
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uint32_t const c = r->get_fill_color ();
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cairo_set_source_rgb (cr, UINT_RGBA_R (c) / 255.0, UINT_RGBA_G (c) / 255.0, UINT_RGBA_B (c) / 255.0);
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2009-06-15 18:45:05 -04:00
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cairo_move_to (cr, (r->region()->position() - start) * _x_scale, y);
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cairo_line_to (cr, ((r->region()->position() - start + r->region()->length())) * _x_scale, y);
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2009-06-10 21:05:01 -04:00
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cairo_stroke (cr);
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}
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2009-06-11 10:49:20 -04:00
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/** Set the summary so that the whole thing will be re-rendered next time it is required */
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2009-06-10 21:05:01 -04:00
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void
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EditorSummary::set_dirty ()
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{
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ENSURE_GUI_THREAD (mem_fun (*this, &EditorSummary::set_dirty));
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_regions_dirty = true;
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queue_draw ();
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}
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2009-06-16 20:29:56 -04:00
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/** Set the summary so that just the overlays (viewbox, playhead etc.) will be re-rendered */
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2009-06-10 21:05:01 -04:00
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void
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2009-06-16 20:29:56 -04:00
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EditorSummary::set_overlays_dirty ()
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2009-06-10 21:05:01 -04:00
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{
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2009-06-16 20:29:56 -04:00
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ENSURE_GUI_THREAD (mem_fun (*this, &EditorSummary::set_overlays_dirty));
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2009-06-10 21:05:01 -04:00
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queue_draw ();
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}
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2009-06-11 10:49:20 -04:00
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/** Handle a size request.
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* @param req GTK requisition
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*/
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2009-06-10 21:05:01 -04:00
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void
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EditorSummary::on_size_request (Gtk::Requisition *req)
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{
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2009-06-11 10:49:20 -04:00
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/* Use a dummy, small width and the actual height that we want */
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2009-06-10 21:05:01 -04:00
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req->width = 64;
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2009-06-17 12:11:53 -04:00
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req->height = _height;
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2009-06-10 21:05:01 -04:00
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}
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2009-06-11 10:49:20 -04:00
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/** Handle a size allocation.
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* @param alloc GTK allocation.
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*/
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2009-06-10 21:05:01 -04:00
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void
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EditorSummary::on_size_allocate (Gtk::Allocation& alloc)
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{
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Gtk::EventBox::on_size_allocate (alloc);
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_width = alloc.get_width ();
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_height = alloc.get_height ();
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set_dirty ();
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}
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2009-06-14 09:30:21 -04:00
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void
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EditorSummary::centre_on_click (GdkEventButton* ev)
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{
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2009-06-15 21:03:24 -04:00
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pair<double, double> xr;
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pair<double, double> yr;
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get_editor (&xr, &yr);
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double const w = xr.second - xr.first;
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double const h = yr.second - yr.first;
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2009-06-15 21:03:24 -04:00
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xr.first = ev->x - w / 2;
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xr.second = ev->x + w / 2;
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yr.first = ev->y - h / 2;
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yr.second = ev->y + h / 2;
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if (xr.first < 0) {
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xr.first = 0;
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xr.second = w;
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} else if (xr.second > _width) {
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xr.second = _width;
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xr.first = _width - w;
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2009-06-14 09:30:21 -04:00
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}
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2009-06-15 21:03:24 -04:00
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if (yr.first < 0) {
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yr.first = 0;
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yr.second = h;
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} else if (yr.second > _height) {
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yr.second = _height;
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yr.first = _height - h;
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|
}
|
|
|
|
|
|
|
|
set_editor (xr, yr);
|
2009-06-14 09:30:21 -04:00
|
|
|
}
|
|
|
|
|
2009-06-11 10:49:20 -04:00
|
|
|
/** Handle a button press.
|
|
|
|
* @param ev GTK event.
|
|
|
|
*/
|
2009-06-10 21:05:01 -04:00
|
|
|
bool
|
|
|
|
EditorSummary::on_button_press_event (GdkEventButton* ev)
|
|
|
|
{
|
|
|
|
if (ev->button == 1) {
|
2009-06-13 13:52:51 -04:00
|
|
|
|
2009-06-17 18:12:14 -04:00
|
|
|
if (Keyboard::modifier_state_equals (ev->state, Keyboard::SecondaryModifier)) {
|
2009-06-14 21:21:30 -04:00
|
|
|
|
2009-06-17 18:12:14 -04:00
|
|
|
/* secondary-modifier-click: locate playhead */
|
|
|
|
if (_session) {
|
|
|
|
_session->request_locate (ev->x / _x_scale + _session->current_start_frame());
|
|
|
|
}
|
|
|
|
|
|
|
|
} else {
|
|
|
|
|
|
|
|
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;
|
2009-06-16 20:16:52 -04:00
|
|
|
|
2009-06-17 18:12:14 -04:00
|
|
|
if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
|
2009-06-14 21:21:30 -04:00
|
|
|
|
2009-06-17 18:12:14 -04:00
|
|
|
/* modifier-click inside the view rectangle: start a zoom drag */
|
|
|
|
|
|
|
|
double const hx = (xr.first + xr.second) * 0.5;
|
|
|
|
_zoom_left = ev->x < hx;
|
|
|
|
_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 {
|
|
|
|
|
|
|
|
/* ordinary click inside the view rectangle: start a move drag */
|
|
|
|
|
|
|
|
_move_dragging = true;
|
|
|
|
_moved = false;
|
|
|
|
_editor->_dragging_playhead = true;
|
|
|
|
}
|
2009-06-14 21:21:30 -04:00
|
|
|
|
2009-06-17 18:12:14 -04:00
|
|
|
} else {
|
2009-06-13 13:52:51 -04:00
|
|
|
|
2009-06-17 18:12:14 -04:00
|
|
|
/* click outside the view rectangle: centre the view around the mouse click */
|
|
|
|
centre_on_click (ev);
|
|
|
|
}
|
2009-06-10 21:05:01 -04:00
|
|
|
}
|
|
|
|
}
|
2009-06-17 18:12:14 -04:00
|
|
|
|
2009-06-10 21:05:01 -04:00
|
|
|
return true;
|
|
|
|
}
|
2009-06-13 13:52:51 -04:00
|
|
|
|
|
|
|
void
|
2009-06-15 21:03:24 -04:00
|
|
|
EditorSummary::get_editor (pair<double, double>* x, pair<double, double>* y) const
|
2009-06-13 13:52:51 -04:00
|
|
|
{
|
2009-06-15 18:45:05 -04:00
|
|
|
x->first = (_editor->leftmost_position () - _session->current_start_frame ()) * _x_scale;
|
|
|
|
x->second = x->first + _editor->current_page_frames() * _x_scale;
|
2009-06-13 13:52:51 -04:00
|
|
|
|
2009-06-15 21:03:24 -04:00
|
|
|
y->first = _editor->vertical_adjustment.get_value() * _y_scale;
|
2009-06-15 18:45:05 -04:00
|
|
|
y->second = y->first + _editor->canvas_height () * _y_scale;
|
2009-06-13 13:52:51 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
bool
|
|
|
|
EditorSummary::on_motion_notify_event (GdkEventMotion* ev)
|
|
|
|
{
|
2009-06-15 21:03:24 -04:00
|
|
|
pair<double, double> xr = _start_editor_x;
|
|
|
|
pair<double, double> yr = _start_editor_y;
|
|
|
|
|
2009-06-14 21:21:30 -04:00
|
|
|
if (_move_dragging) {
|
|
|
|
|
|
|
|
_moved = true;
|
2009-06-15 21:03:24 -04:00
|
|
|
|
|
|
|
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);
|
2009-06-14 21:21:30 -04:00
|
|
|
|
|
|
|
} else if (_zoom_dragging) {
|
|
|
|
|
2009-06-15 21:03:24 -04:00
|
|
|
double const dx = ev->x - _start_mouse_x;
|
2009-06-14 21:21:30 -04:00
|
|
|
|
2009-06-16 20:16:52 -04:00
|
|
|
if (_zoom_left) {
|
2009-06-15 21:03:24 -04:00
|
|
|
xr.first += dx;
|
2009-06-16 20:16:52 -04:00
|
|
|
} else {
|
2009-06-15 21:03:24 -04:00
|
|
|
xr.second += dx;
|
2009-06-14 21:21:30 -04:00
|
|
|
}
|
2009-06-15 21:03:24 -04:00
|
|
|
|
|
|
|
set_editor (xr, yr);
|
2009-06-14 21:21:30 -04:00
|
|
|
}
|
|
|
|
|
2009-06-13 13:52:51 -04:00
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool
|
|
|
|
EditorSummary::on_button_release_event (GdkEventButton* ev)
|
|
|
|
{
|
2009-06-14 21:21:30 -04:00
|
|
|
if (_move_dragging && !_moved) {
|
2009-06-14 09:30:21 -04:00
|
|
|
centre_on_click (ev);
|
|
|
|
}
|
2009-06-14 21:21:30 -04:00
|
|
|
|
|
|
|
_move_dragging = false;
|
|
|
|
_zoom_dragging = false;
|
2009-06-13 15:39:21 -04:00
|
|
|
_editor->_dragging_playhead = false;
|
2009-06-13 13:52:51 -04:00
|
|
|
return true;
|
|
|
|
}
|
2009-06-15 18:45:05 -04:00
|
|
|
|
|
|
|
bool
|
|
|
|
EditorSummary::on_scroll_event (GdkEventScroll* ev)
|
|
|
|
{
|
|
|
|
/* mouse wheel */
|
|
|
|
|
|
|
|
pair<double, double> xr;
|
|
|
|
pair<double, double> yr;
|
2009-06-15 21:03:24 -04:00
|
|
|
get_editor (&xr, &yr);
|
|
|
|
|
|
|
|
double const amount = 8;
|
2009-06-15 18:45:05 -04:00
|
|
|
|
|
|
|
if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
|
|
|
|
|
|
|
|
if (ev->direction == GDK_SCROLL_UP) {
|
2009-06-15 21:03:24 -04:00
|
|
|
xr.first += amount;
|
|
|
|
xr.second += amount;
|
2009-06-15 18:45:05 -04:00
|
|
|
} else {
|
2009-06-15 21:03:24 -04:00
|
|
|
xr.first -= amount;
|
|
|
|
xr.second -= amount;
|
2009-06-15 18:45:05 -04:00
|
|
|
}
|
2009-06-15 21:03:24 -04:00
|
|
|
|
2009-06-15 18:45:05 -04:00
|
|
|
} else {
|
|
|
|
|
|
|
|
if (ev->direction == GDK_SCROLL_DOWN) {
|
2009-06-15 21:03:24 -04:00
|
|
|
yr.first += amount;
|
|
|
|
yr.second += amount;
|
2009-06-15 18:45:05 -04:00
|
|
|
} else {
|
2009-06-15 21:03:24 -04:00
|
|
|
yr.first -= amount;
|
|
|
|
yr.second -= amount;
|
2009-06-15 18:45:05 -04:00
|
|
|
}
|
2009-06-16 20:29:56 -04:00
|
|
|
|
2009-06-15 18:45:05 -04:00
|
|
|
}
|
|
|
|
|
2009-06-15 21:03:24 -04:00
|
|
|
set_editor (xr, yr);
|
2009-06-15 18:45:05 -04:00
|
|
|
return true;
|
|
|
|
}
|
2009-06-15 21:03:24 -04:00
|
|
|
|
|
|
|
void
|
|
|
|
EditorSummary::set_editor (pair<double,double> const & x, pair<double, double> const & y)
|
|
|
|
{
|
|
|
|
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
|
|
|
|
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);
|
|
|
|
|
|
|
|
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);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2009-06-16 20:29:56 -04:00
|
|
|
|
|
|
|
void
|
|
|
|
EditorSummary::playhead_position_changed (nframes64_t p)
|
|
|
|
{
|
|
|
|
if (int (p * _x_scale) != int (_last_playhead)) {
|
|
|
|
set_overlays_dirty ();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|