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livetrax/gtk2_ardour/triggerbox_ui.h

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/*
* Copyright (C) 2021 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_triggerbox_ui_h_
#define _gtk_ardour_triggerbox_ui_h_
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#include <gtkmm/colorselection.h>
#include "pbd/properties.h"
#include "ardour/triggerbox.h"
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#include "canvas/canvas.h"
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#include "canvas/rectangle.h"
#include "fitted_canvas_widget.h"
#include "trigger_ui.h"
namespace Temporal
{
struct BBT_Offset;
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}
namespace ArdourCanvas
{
class Text;
class Polygon;
}
class TriggerEntry : public ArdourCanvas::Rectangle, public TriggerUI
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{
public:
TriggerEntry (ArdourCanvas::Item* item, ARDOUR::TriggerReference rf);
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~TriggerEntry ();
ArdourCanvas::Rectangle* play_button;
ArdourCanvas::Rectangle* name_button;
ArdourCanvas::Rectangle* follow_button;
ArdourCanvas::Text* name_text;
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void draw_launch_icon (Cairo::RefPtr<Cairo::Context> context, float size, float scale) const;
void draw_follow_icon (Cairo::RefPtr<Cairo::Context> context, ARDOUR::FollowAction const & icon, float size, float scale) const;
void render (ArdourCanvas::Rect const& area, Cairo::RefPtr<Cairo::Context> context) const;
void _size_allocate (ArdourCanvas::Rect const&);
void on_trigger_changed (PBD::PropertyChange const& change);
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void selection_change ();
enum EnteredState {
PlayEntered,
NameEntered,
FollowEntered,
NoneEntered
};
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void set_widget_colors (TriggerEntry::EnteredState es = NoneEntered);
bool name_button_event (GdkEvent*);
private:
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bool _grabbed;
double _poly_size;
double _poly_margin;
int _drag_start_x;
int _drag_start_y;
bool _drag_active;
bool event (GdkEvent*);
void drag_begin (Glib::RefPtr<Gdk::DragContext> const&);
void drag_end (Glib::RefPtr<Gdk::DragContext> const&);
void drag_data_get (Glib::RefPtr<Gdk::DragContext> const&, Gtk::SelectionData&, guint, guint);
void ui_parameter_changed (std::string const& p);
bool play_button_event (GdkEvent*);
bool follow_button_event (GdkEvent*);
void owner_prop_change (PBD::PropertyChange const&);
void owner_color_changed ();
PBD::ScopedConnection _owner_prop_connection;
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};
class TriggerBoxUI : public ArdourCanvas::Rectangle
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{
public:
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TriggerBoxUI (ArdourCanvas::Item* parent, ARDOUR::TriggerBox&);
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~TriggerBoxUI ();
void _size_allocate (ArdourCanvas::Rect const&);
static Glib::RefPtr<Gtk::TargetList> dnd_src ()
{
return _dnd_src;
}
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private:
typedef std::vector<TriggerEntry*> Slots;
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ARDOUR::TriggerBox& _triggerbox;
Slots _slots;
static Glib::RefPtr<Gtk::TargetList> _dnd_src;
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void build ();
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void selection_changed ();
bool drag_motion (Glib::RefPtr<Gdk::DragContext> const&, int, int, guint);
void drag_leave (Glib::RefPtr<Gdk::DragContext> const&, guint);
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void drag_data_received (Glib::RefPtr<Gdk::DragContext> const&, int, int, Gtk::SelectionData const&, guint, guint);
bool triggerbox_event (GdkEvent*);
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uint64_t slot_at_y (int) const;
sigc::connection _selection_connection;
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};
class TriggerBoxWidget : public FittedCanvasWidget
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{
public:
TriggerBoxWidget (float w, float h);
void set_triggerbox (ARDOUR::TriggerBox* tb);
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private:
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TriggerBoxUI* ui;
};
#endif