Paul Davis
79799023f5
git-svn-id: svn://localhost/ardour2/branches/3.0@11838 d708f5d6-7413-0410-9779-e7cbd77b26cf
127 lines
3.7 KiB
C++
127 lines
3.7 KiB
C++
#ifndef mackie_surface_h
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#define mackie_surface_h
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#include "controls.h"
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#include "types.h"
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#include <stdint.h>
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namespace Mackie
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{
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class MackieButtonHandler;
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class SurfacePort;
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class MackieMidiBuilder;
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/**
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This represents an entire control surface, made up of Groups,
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Strips and Controls. There are several collections for
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ease of addressing in different ways, but only one collection
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has definitive ownership.
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It handles mapping button ids to press_ and release_ calls.
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There are various emulations of the Mackie around, so specific
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emulations will inherit from this to change button mapping, or
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have 7 fader channels instead of 8, or whatever.
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Currently there are BcfSurface and MackieSurface.
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TODO maybe make Group inherit from Control, for ease of ownership.
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*/
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class Surface
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{
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public:
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/**
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A Surface can be made up of multiple units. eg one Mackie MCU plus
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one or more Mackie MCU extenders.
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\param max_strips is the number of strips for the entire surface.
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\param unit_strips is the number of strips per unit.
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*/
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Surface (uint32_t max_strips, uint32_t unit_strips);
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virtual ~Surface();
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/// Calls the virtual initialisation methods. This *must* be called after
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/// construction, because c++ is too dumb to call virtual methods from
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/// inside a constructor
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void init();
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typedef std::vector<Control*> Controls;
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/// This collection has ownership of all the controls
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Controls controls;
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/**
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These are alternative addressing schemes
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They use maps because the indices aren't always
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0-based.
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Indexed by raw_id not by id. @see Control for the distinction.
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*/
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std::map<int,Fader*> faders;
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std::map<int,Pot*> pots;
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std::map<int,Button*> buttons;
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std::map<int,Led*> leds;
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/// no strip controls in here because they usually
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/// have the same names.
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std::map<std::string,Control*> controls_by_name;
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/// The collection of all numbered strips. No master
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/// strip in here.
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typedef std::vector<Strip*> Strips;
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Strips strips;
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/// This collection owns the groups
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typedef std::map<std::string,Group*> Groups;
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Groups groups;
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uint32_t max_strips() const { return _max_strips; }
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/// map button ids to calls to press_ and release_ in mbh
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virtual void handle_button (MackieButtonHandler & mbh, ButtonState bs, Button & button);
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public:
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/// display an indicator of the first switched-in Route. Do nothing by default.
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virtual void display_bank_start( SurfacePort &, MackieMidiBuilder &, uint32_t /*current_bank*/ ) {};
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/// called from MackieControlPRotocol::zero_all to turn things off
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virtual void zero_all( SurfacePort &, MackieMidiBuilder & ) {};
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/// turn off leds around the jog wheel. This is for surfaces that use a pot
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/// pretending to be a jog wheel.
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virtual void blank_jog_ring( SurfacePort &, MackieMidiBuilder & ) {};
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virtual bool has_timecode_display() const = 0;
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virtual void display_timecode( SurfacePort &, MackieMidiBuilder &, const std::string & /*timecode*/, const std::string & /*timecode_last*/) {};
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public:
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/**
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This is used to calculate the clicks per second that define
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a transport speed of 1.0 for the jog wheel. 100.0 is 10 clicks
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per second, 50.5 is 5 clicks per second.
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*/
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virtual float scrub_scaling_factor() = 0;
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/**
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The scaling factor function for speed increase and decrease. At
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low transport speeds this should return a small value, for high transport
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speeds, this should return an exponentially larger value. This provides
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high definition control at low speeds and quick speed changes to/from
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higher speeds.
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*/
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virtual float scaled_delta( const ControlState & state, float current_speed ) = 0;
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protected:
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virtual void init_controls();
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virtual void init_strips ();
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const uint32_t _max_strips;
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const uint32_t _unit_strips;
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};
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}
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#endif
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