5bdc03ab5c
if the drag started below/above or to the left/right of the box, respectively. Also scale maximum track height in the summary according to the summary's height. git-svn-id: svn://localhost/ardour2/branches/3.0@6504 d708f5d6-7413-0410-9779-e7cbd77b26cf
92 lines
2.6 KiB
C++
92 lines
2.6 KiB
C++
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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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#ifndef __gtk_ardour_editor_summary_h__
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#define __gtk_ardour_editor_summary_h__
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#include "cairo_widget.h"
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#include "editor_component.h"
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namespace ARDOUR {
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class Session;
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}
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class Editor;
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/** Class to provide a visual summary of the contents of an editor window; represents
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* the whole session as a set of lines, one per region view.
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*/
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class EditorSummary : public CairoWidget, public EditorComponent
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{
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public:
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EditorSummary (Editor *);
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void set_session (ARDOUR::Session *);
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void set_overlays_dirty ();
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private:
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bool on_expose_event (GdkEventExpose *);
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void on_size_request (Gtk::Requisition *);
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bool on_button_press_event (GdkEventButton *);
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bool on_button_release_event (GdkEventButton *);
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bool on_motion_notify_event (GdkEventMotion *);
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bool on_scroll_event (GdkEventScroll *);
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void centre_on_click (GdkEventButton *);
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void render (cairo_t *);
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void render_region (RegionView*, cairo_t*, double) const;
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void get_editor (std::pair<double, double> *, std::pair<double, double> *) const;
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void set_editor (std::pair<double, double> const &, std::pair<double, double> const &);
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void playhead_position_changed (nframes64_t);
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nframes_t _start; ///< start frame of the overview
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nframes_t _end; ///< end frame of the overview
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/** fraction of the session length by which the overview size should extend past the start and end markers */
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double _overhang_fraction;
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double _x_scale; ///< pixels per frame for the x axis of the pixmap
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double _y_scale;
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double _last_playhead;
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std::pair<double, double> _start_editor_x;
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std::pair<double, double> _start_editor_y;
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double _start_mouse_x;
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double _start_mouse_y;
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enum {
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IN_VIEWBOX,
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BELOW_OR_ABOVE_VIEWBOX,
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TO_LEFT_OR_RIGHT_OF_VIEWBOX
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} _start_position;
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bool _move_dragging;
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double _x_offset;
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double _y_offset;
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bool _moved;
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bool _zoom_dragging;
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bool _zoom_left;
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PBD::ScopedConnectionList position_connection;
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PBD::ScopedConnectionList region_property_connection;
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};
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#endif
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