gtk2_ardour/midi_channel_selector.h

   1 /*
   2     Copyright (C) 2008 Paul Davis
   3     Author: Hans Baier
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18 */
  19
  20 #ifndef __ardour_ui_midi_channel_selector_h__
  21 #define __ardour_ui_midi_channel_selector_h__
  22
  23 #include <set>
  24 #include "boost/shared_ptr.hpp"
  25 #include "sigc++/trackable.h"
  26
  27 #include "gtkmm/table.h"
  28 #include "gtkmm/button.h"
  29 #include "gtkmm/radiobutton.h"
  30 #include "gtkmm/label.h"
  31 #include "gtkmm2ext/stateful_button.h"
  32
  33 #include "ardour/types.h"
  34
  35 #include "ardour_window.h"
  36
  37 namespace ARDOUR {
  38         class MidiTrack;
  39 }
  40
  41 class MidiChannelSelector : public Gtk::Table
  42 {
  43 public:
  44         MidiChannelSelector(int n_rows = 4, int n_columns = 4, int start_row = 0, int start_column = 0);
  45         virtual ~MidiChannelSelector() = 0;
  46
  47         sigc::signal<void> clicked;
  48
  49         void set_channel_colors(const uint32_t new_channel_colors[16]);
  50         void set_default_channel_color();
  51
  52 protected:
  53         virtual void button_toggled(Gtk::ToggleButton* button, uint8_t button_nr) = 0;
  54         Gtk::Label                      _button_labels[4][4];
  55         Gtkmm2ext::StatefulToggleButton _buttons[4][4];
  56         int                             _recursion_counter;
  57
  58         bool              was_clicked (GdkEventButton*);
  59 };
  60
  61 class SingleMidiChannelSelector : public MidiChannelSelector
  62 {
  63 public:
  64         SingleMidiChannelSelector(uint8_t active_channel = 0);
  65
  66         uint8_t get_active_channel() const { return _active_channel; }
  67
  68         sigc::signal<void, uint8_t> channel_selected;
  69
  70 protected:
  71         virtual void button_toggled(Gtk::ToggleButton* button, uint8_t button_nr);
  72
  73         Gtk::ToggleButton* _last_active_button;
  74         uint8_t            _active_channel;
  75 };
  76
  77 class MidiMultipleChannelSelector : public MidiChannelSelector
  78 {
  79 public:
  80         MidiMultipleChannelSelector(ARDOUR::ChannelMode mode = ARDOUR::FilterChannels,
  81                                     uint16_t initial_selection = 0xFFFF);
  82
  83         virtual ~MidiMultipleChannelSelector();
  84
  85         /** The channel mode or selected channel(s) has changed.
  86          *  First parameter is the new channel mode, second parameter is a bitmask
  87          *  of the currently selected channels.
  88          */
  89         sigc::signal<void, ARDOUR::ChannelMode, uint16_t> mode_changed;
  90
  91         void set_channel_mode(ARDOUR::ChannelMode mode, uint16_t mask);
  92         ARDOUR::ChannelMode get_channel_mode () const { return _channel_mode; }
  93
  94         /**
  95          * @return each bit in the returned word represents a midi channel, eg.
  96          *         bit 0 represents channel 0 and bit 15 represents channel 15
  97          *
  98          */
  99         uint16_t get_selected_channels() const;
 100         void     set_selected_channels(uint16_t selected_channels);
 101
 102 protected:
 103         ARDOUR::ChannelMode _channel_mode;
 104         ARDOUR::NoteMode    _note_mode;
 105
 106         virtual void button_toggled(Gtk::ToggleButton* button, uint8_t button_nr);
 107         void force_channels_button_toggled();
 108
 109         void select_all(bool on);
 110         void invert_selection(void);
 111
 112         Gtk::Button       _select_all;
 113         Gtk::Button       _select_none;
 114         Gtk::Button       _invert_selection;
 115         Gtk::ToggleButton _force_channel;
 116 };
 117
 118 class MidiChannelSelectorWindow : public ArdourWindow, public PBD::ScopedConnectionList
 119 {
 120   public:
 121     MidiChannelSelectorWindow (boost::shared_ptr<ARDOUR::MidiTrack>);
 122     ~MidiChannelSelectorWindow ();
 123
 124     void set_channel_colors (const uint32_t new_channel_colors[16]);
 125     void set_default_channel_color();
 126
 127   private:
 128     boost::shared_ptr<ARDOUR::MidiTrack> track;
 129     std::vector<Gtk::ToggleButton*> playback_buttons;
 130     std::vector<Gtk::ToggleButton*> capture_buttons;
 131
 132     Gtk::ToggleButton* playback_all_button;
 133     Gtk::ToggleButton* playback_filter_button;
 134     Gtk::ToggleButton* playback_force_button;
 135     Gtk::ToggleButton* capture_all_button;
 136     Gtk::ToggleButton* capture_filter_button;
 137     Gtk::ToggleButton* capture_force_button;
 138
 139     void build();
 140     void set_capture_selected_channels (uint16_t);
 141     void set_playback_selected_channels (uint16_t);
 142
 143     void fill_playback_mask ();
 144     void zero_playback_mask ();
 145     void invert_playback_mask ();
 146
 147     void fill_capture_mask ();
 148     void zero_capture_mask ();
 149     void invert_capture_mask ();
 150
 151     void playback_mask_changed ();
 152     void capture_mask_changed ();
 153     void playback_mode_changed ();
 154     void capture_mode_changed ();
 155
 156     void playback_channel_clicked (uint16_t);
 157     void capture_channel_clicked (uint16_t);
 158
 159     void playback_all_clicked();
 160     void playback_none_clicked();
 161     void playback_invert_clicked();
 162
 163     void capture_all_clicked();
 164     void capture_none_clicked();
 165     void capture_invert_clicked();
 166
 167     void capture_mode_toggled (ARDOUR::ChannelMode);
 168     void playback_mode_toggled (ARDOUR::ChannelMode);
 169 };
 170
 171 #endif /*__ardour_ui_midi_channel_selector_h__*/