rename join regions op as combine regions; save and restore nested playlists, sources...
[ardour.git] / gtk2_ardour / midi_channel_selector.cc
index 6bed5d1f95b0fb1d6735f58b6a99a4305b118bb9..cdaf42e51f7c327125a787c6b51fee4eeedb7eeb 100644 (file)
@@ -1,34 +1,61 @@
+/*
+    Copyright (C) 2008 Paul Davis
+    Author: Hans Baier
+
+    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., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include <sstream>
 #include "midi_channel_selector.h"
 #include "gtkmm/separator.h"
 #include "i18n.h"
-#include <sstream>
+#include "rgb_macros.h"
 
 using namespace std;
+using namespace Gtk;
+using namespace ARDOUR;
+
+MidiChannelSelector::MidiChannelSelector(int n_rows, int n_columns, int start_row, int start_column)
+       : Table(n_rows, n_columns, true)
+       , _recursion_counter(0)
+{
+       assert(n_rows >= 4);
+       assert(n_rows >= start_row + 4);
+       assert(n_columns >=4);
+       assert(n_columns >= start_column + 4);
 
-MidiChannelSelector::MidiChannelSelector(int no_rows, int no_columns, int start_row, int start_column) :
-       Gtk::Table(no_rows, no_columns, true)
-{      
-       assert(no_rows >= 4);
-       assert(no_rows >= start_row + 4);
-       assert(no_columns >=4);
-       assert(no_columns >= start_column + 4);
-       
        property_column_spacing() = 0;
        property_row_spacing() = 0;
-       
+
        uint8_t channel_nr = 0;
-       for(int row = 0; row < 4; ++row) {
-               for(int column = 0; column < 4; ++column) {
+       for (int row = 0; row < 4; ++row) {
+               for (int column = 0; column < 4; ++column) {
                        ostringstream channel;
                        channel << int(++channel_nr);
                        _button_labels[row][column].set_text(channel.str());
-                       _button_labels[row][column].set_justify(Gtk::JUSTIFY_RIGHT);
+                       _button_labels[row][column].set_justify(JUSTIFY_RIGHT);
                        _buttons[row][column].add(_button_labels[row][column]);
                        _buttons[row][column].signal_toggled().connect(
                                sigc::bind(
                                        sigc::mem_fun(this, &MidiChannelSelector::button_toggled),
                                        &_buttons[row][column],
                                        channel_nr - 1));
+                       _buttons[row][column].set_widget_name (X_("MidiChannelSelectorButton"));
+
+                       _buttons[row][column].signal_button_release_event().connect(
+                                sigc::mem_fun(this, &MidiChannelSelector::was_clicked), false);
 
                        int table_row    = start_row + row;
                        int table_column = start_column + column;
@@ -41,55 +68,151 @@ MidiChannelSelector::~MidiChannelSelector()
 {
 }
 
+bool
+MidiChannelSelector::was_clicked (GdkEventButton*)
+{
+        clicked ();
+        return false;
+}
+
+void
+MidiChannelSelector::set_channel_colors(const uint32_t new_channel_colors[16])
+{
+       for (int row = 0; row < 4; ++row) {
+               for (int column = 0; column < 4; ++column) {
+                       char color_normal[8];
+                       char color_active[8];
+                       snprintf(color_normal, 8, "#%x", UINT_INTERPOLATE(new_channel_colors[row * 4 + column], 0x000000ff, 0.6));
+                       snprintf(color_active, 8, "#%x", new_channel_colors[row * 4 + column]);
+                       _buttons[row][column].modify_bg(STATE_NORMAL, Gdk::Color(color_normal));
+                       _buttons[row][column].modify_bg(STATE_ACTIVE, Gdk::Color(color_active));
+               }
+       }
+}
+
+void
+MidiChannelSelector::set_default_channel_color()
+{
+       for (int row = 0; row < 4; ++row) {
+               for (int column = 0; column < 4; ++column) {
+                       _buttons[row][column].unset_fg (STATE_NORMAL);
+                       _buttons[row][column].unset_fg (STATE_ACTIVE);
+                       _buttons[row][column].unset_bg (STATE_NORMAL);
+                       _buttons[row][column].unset_bg (STATE_ACTIVE);
+               }
+       }
+}
+
 SingleMidiChannelSelector::SingleMidiChannelSelector(uint8_t active_channel)
        : MidiChannelSelector()
 {
-       _active_button = 0;
-       Gtk::ToggleButton *button = &_buttons[active_channel / 4][active_channel % 4];
-       button->set_active(true);
-       _active_button = button;
+       _last_active_button = 0;
+       ToggleButton* button = &_buttons[active_channel / 4][active_channel % 4];
        _active_channel = active_channel;
+       button->set_active(true);
+       _last_active_button = button;
 }
 
 void
-SingleMidiChannelSelector::button_toggled(Gtk::ToggleButton *button, uint8_t channel)
+SingleMidiChannelSelector::button_toggled(ToggleButton* button, uint8_t channel)
 {
-       if(button->get_active()) {
-               if(_active_button) {
-                       _active_button->set_active(false);
+       ++_recursion_counter;
+       if (_recursion_counter == 1) {
+               // if the current button is active it must
+               // be different from the first one
+               if (button->get_active()) {
+                       if (_last_active_button) {
+                               _last_active_button->set_active(false);
+                               _active_channel = channel;
+                               _last_active_button = button;
+                               channel_selected.emit(channel);
+                       }
+               } else {
+                       // if not, the user pressed the already active button
+                       button->set_active(true);
+                       _active_channel = channel;
                }
-               _active_button = button;
-               _active_channel = channel;
-               channel_selected.emit(channel);
-       } 
+       }
+       --_recursion_counter;
 }
 
-MidiMultipleChannelSelector::MidiMultipleChannelSelector(uint16_t initial_selection)
-       : MidiChannelSelector(6, 4, 0, 0)
+MidiMultipleChannelSelector::MidiMultipleChannelSelector(ChannelMode mode, uint16_t mask)
+       : MidiChannelSelector(4, 6, 0, 0)
+       , _channel_mode(mode)
 {
-       _select_all.add(*Gtk::manage(new Gtk::Label(_("All"))));
+       _select_all.add(*manage(new Label(_("All"))));
        _select_all.signal_clicked().connect(
                        sigc::bind(sigc::mem_fun(this, &MidiMultipleChannelSelector::select_all), true));
-       
-       _select_none.add(*Gtk::manage(new Gtk::Label(_("None"))));
+
+       _select_none.add(*manage(new Label(_("None"))));
        _select_none.signal_clicked().connect(
                        sigc::bind(sigc::mem_fun(this, &MidiMultipleChannelSelector::select_all), false));
-       
-       _invert_selection.add(*Gtk::manage(new Gtk::Label(_("Invert"))));
+
+       _invert_selection.add(*manage(new Label(_("Invert"))));
        _invert_selection.signal_clicked().connect(
                        sigc::mem_fun(this, &MidiMultipleChannelSelector::invert_selection));
 
+       _force_channel.add(*manage(new Label(_("Force"))));
+       _force_channel.signal_toggled().connect(
+                       sigc::mem_fun(this, &MidiMultipleChannelSelector::force_channels_button_toggled));
+
        set_homogeneous(false);
-       attach(*Gtk::manage(new Gtk::HSeparator()), 0, 4, 4, 5, Gtk::FILL, Gtk::SHRINK, 0, 0);
-       set_col_spacing(4, -5);
-       attach(_select_all,       0, 2, 5, 6);
-       attach(_select_none,      2, 4, 5, 6);
-       attach(_invert_selection, 0, 4, 6, 7);
-       
-       _selected_channels = 0;
-       for(uint16_t i = 0; i < 16; i++) {
-               Gtk::ToggleButton *button = &_buttons[i / 4][i % 4];
-               if(initial_selection & (1L << i)) {
+       attach(*manage(new VSeparator()), 4, 5, 0, 4, SHRINK, FILL, 0, 0);
+       //set_row_spacing(4, -5);
+       attach(_select_all,       5, 6, 0, 1);
+       attach(_select_none,      5, 6, 1, 2);
+       attach(_invert_selection, 5, 6, 2, 3);
+       attach(_force_channel,    5, 6, 3, 4);
+
+       set_selected_channels(mask);
+}
+
+MidiMultipleChannelSelector::~MidiMultipleChannelSelector()
+{
+       mode_changed.clear();
+}
+
+void
+MidiMultipleChannelSelector::set_channel_mode(ChannelMode mode, uint16_t mask)
+{
+       switch (mode) {
+       case AllChannels:
+               _force_channel.set_active(false);
+               set_selected_channels(0xFFFF);
+               break;
+       case FilterChannels:
+               _force_channel.set_active(false);
+               set_selected_channels(mask);
+               break;
+       case ForceChannel:
+               _force_channel.set_active(true);
+               for (uint16_t i = 0; i < 16; i++) {
+                       ToggleButton* button = &_buttons[i / 4][i % 4];
+                       button->set_active(i == mask);
+               }
+       }
+}
+
+uint16_t
+MidiMultipleChannelSelector::get_selected_channels() const
+{
+       uint16_t selected_channels = 0;
+       for (uint16_t i = 0; i < 16; i++) {
+               const ToggleButton* button = &_buttons[i / 4][i % 4];
+               if (button->get_active()) {
+                       selected_channels |= (1L << i);
+               }
+       }
+
+       return selected_channels;
+}
+
+void
+MidiMultipleChannelSelector::set_selected_channels(uint16_t selected_channels)
+{
+       for (uint16_t i = 0; i < 16; i++) {
+               ToggleButton* button = &_buttons[i / 4][i % 4];
+               if (selected_channels & (1L << i)) {
                        button->set_active(true);
                } else {
                        button->set_active(false);
@@ -98,33 +221,90 @@ MidiMultipleChannelSelector::MidiMultipleChannelSelector(uint16_t initial_select
 }
 
 void
-MidiMultipleChannelSelector::button_toggled(Gtk::ToggleButton *button, uint8_t channel)
+MidiMultipleChannelSelector::button_toggled(ToggleButton */*button*/, uint8_t channel)
 {
-       _selected_channels = _selected_channels ^ (1L << channel); 
-       selection_changed.emit(_selected_channels);
+       ++_recursion_counter;
+       if (_recursion_counter == 1) {
+               if (_channel_mode == ForceChannel) {
+                       mode_changed.emit(_channel_mode, channel);
+                       set_selected_channels(1 << channel);
+               } else {
+                       mode_changed.emit(_channel_mode, get_selected_channels());
+               }
+       }
+       --_recursion_counter;
 }
 
-void 
+void
+MidiMultipleChannelSelector::force_channels_button_toggled()
+{
+       if (_force_channel.get_active()) {
+               _channel_mode = ForceChannel;
+               bool found_first_active = false;
+               // leave only the first button enabled
+               uint16_t active_channel = 0;
+               for (int i = 0; i <= 15; i++) {
+                       ToggleButton* button = &_buttons[i / 4][i % 4];
+                       if (button->get_active()) {
+                               if (found_first_active) {
+                                       ++_recursion_counter;
+                                       button->set_active(false);
+                                       --_recursion_counter;
+                               } else {
+                                       found_first_active = true;
+                                       active_channel = i;
+                               }
+                       }
+               }
+
+               if (!found_first_active) {
+                       _buttons[0][0].set_active(true);
+               }
+
+               _select_all.set_sensitive(false);
+               _select_none.set_sensitive(false);
+               _invert_selection.set_sensitive(false);
+               mode_changed.emit(_channel_mode, active_channel);
+       } else {
+               _channel_mode = FilterChannels;
+               _select_all.set_sensitive(true);
+               _select_none.set_sensitive(true);
+               _invert_selection.set_sensitive(true);
+               mode_changed.emit(FilterChannels, get_selected_channels());
+       }
+}
+
+void
 MidiMultipleChannelSelector::select_all(bool on)
 {
-       for(uint16_t i = 0; i < 16; i++) {
-               Gtk::ToggleButton *button = &_buttons[i / 4][i % 4];
+       if (_channel_mode == ForceChannel)
+               return;
+
+       ++_recursion_counter;
+       for (uint16_t i = 0; i < 16; i++) {
+               ToggleButton* button = &_buttons[i / 4][i % 4];
                button->set_active(on);
        }
-       selection_changed.emit(_selected_channels);
+       --_recursion_counter;
+       mode_changed.emit(_channel_mode, get_selected_channels());
 }
 
-void 
+void
 MidiMultipleChannelSelector::invert_selection(void)
 {
-       for(uint16_t i = 0; i < 16; i++) {
-               Gtk::ToggleButton *button = &_buttons[i / 4][i % 4];
-               if(button->get_active()) {
+       if (_channel_mode == ForceChannel)
+               return;
+
+       ++_recursion_counter;
+       for (uint16_t i = 0; i < 16; i++) {
+               ToggleButton* button = &_buttons[i / 4][i % 4];
+               if (button->get_active()) {
                        button->set_active(false);
                } else {
                        button->set_active(true);
                }
        }
-       selection_changed.emit(_selected_channels);
+       --_recursion_counter;
+       mode_changed.emit(_channel_mode, get_selected_channels());
 }