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livetrax/gtk2_ardour/automation_region_view.h
Paul Davis 18819a48a9 region gain and MIDI CC freehand line drawing
This involved a significant change in event handling for automation region views,
but it brings it into line with how it works for other things. On button press
we initiate a drag, then if no motion occurs, the Drag returns false during
finalization, and only then do we continue through Editor::button_release_handler()
to eventually end up in ::add_automation_event().

Although it is a substantial change, the fact that it now works the same
way for audio regions, automation regions and automation tracks seems
like a definite plus.
2023-09-30 11:09:58 -06:00

99 lines
3.2 KiB
C++

/*
* Copyright (C) 2007-2014 David Robillard <d@drobilla.net>
* Copyright (C) 2009-2010 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2009-2017 Paul Davis <paul@linuxaudiosystems.com>
*
* 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
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef __gtk_ardour_automation_region_view_h__
#define __gtk_ardour_automation_region_view_h__
#include "ardour/types.h"
#include "region_view.h"
#include "automation_time_axis.h"
#include "automation_line.h"
#include "enums.h"
#include "line_merger.h"
namespace ARDOUR {
class AutomationList;
class Parameter;
};
class TimeAxisView;
class AutomationRegionView : public RegionView, public LineMerger
{
public:
AutomationRegionView(ArdourCanvas::Container*,
AutomationTimeAxisView&,
std::shared_ptr<ARDOUR::Region>,
const Evoral::Parameter& parameter,
std::shared_ptr<ARDOUR::AutomationList>,
double initial_samples_per_pixel,
uint32_t basic_color);
~AutomationRegionView();
void init (bool wfd);
void set_selected (bool yn);
bool paste (Temporal::timepos_t const & pos,
unsigned paste_count,
float times,
std::shared_ptr<const ARDOUR::AutomationList> slist);
inline AutomationTimeAxisView* automation_view() const
{ return dynamic_cast<AutomationTimeAxisView*>(&trackview); }
std::shared_ptr<AutomationLine> line() { return _line; }
// We are a ghost. Meta ghosts? Crazy talk.
virtual GhostRegion* add_ghost(TimeAxisView&) { return 0; }
uint32_t get_fill_color() const;
void set_height (double);
void reset_width_dependent_items(double pixel_width);
void tempo_map_changed ();
MergeableLine* make_merger ();
void add_automation_event (GdkEvent* event);
Temporal::timepos_t drawn_time_filter (Temporal::timepos_t const &);
protected:
void create_line(std::shared_ptr<ARDOUR::AutomationList> list);
bool set_position(Temporal::timepos_t const & pos, void* src, double* ignored);
void region_resized (const PBD::PropertyChange&);
bool canvas_group_event(GdkEvent* ev);
void add_automation_event (Temporal::timepos_t const & when, double y, bool with_guard_points);
void mouse_mode_changed ();
void entered();
void exited();
void _redisplay (bool) {}
private:
Evoral::Parameter _parameter;
std::shared_ptr<AutomationLine> _line;
PBD::ScopedConnection _mouse_mode_connection;
};
#endif /* __gtk_ardour_automation_region_view_h__ */