Clean up checks.
[ardour.git] / gtk2_ardour / midi_channel_selector.cc
index b810268633234e07a12f60f2b3edabff59163065..12eea5bb12efb1913e3f4704e91b70e6431cda28 100644 (file)
@@ -1,26 +1,48 @@
+/*
+    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 sigc;
+using namespace ARDOUR;
 
-MidiChannelSelector::MidiChannelSelector(int no_rows, int no_columns, int start_row, int start_column) :
-       Table(no_rows, no_columns, true), _recursion_counter(0)
+MidiChannelSelector::MidiChannelSelector(int n_rows, int n_columns, int start_row, int start_column)
+       : Table(n_rows, n_columns, true)
+       , _recursion_counter(0)
 {      
-       assert(no_rows >= 4);
-       assert(no_rows >= start_row + 4);
-       assert(no_columns >=4);
-       assert(no_columns >= start_column + 4);
+       assert(n_rows >= 4);
+       assert(n_rows >= start_row + 4);
+       assert(n_columns >=4);
+       assert(n_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());
@@ -43,28 +65,55 @@ MidiChannelSelector::~MidiChannelSelector()
 {
 }
 
+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_bg(STATE_NORMAL);
+                       _buttons[row][column].unset_bg(STATE_ACTIVE);
+               }
+       }
+}
+
 SingleMidiChannelSelector::SingleMidiChannelSelector(uint8_t active_channel)
        : MidiChannelSelector()
 {
        _last_active_button = 0;
-       ToggleButton *button = &_buttons[active_channel / 4][active_channel % 4];
+       ToggleButtonbutton = &_buttons[active_channel / 4][active_channel % 4];
        _active_channel = active_channel;
        button->set_active(true);
        _last_active_button = button;
 }
 
 void
-SingleMidiChannelSelector::button_toggled(ToggleButton *button, uint8_t channel)
+SingleMidiChannelSelector::button_toggled(ToggleButtonbutton, uint8_t channel)
 {      
        ++_recursion_counter;
-       if(_recursion_counter == 1) {
+       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) {
+               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
@@ -75,8 +124,9 @@ SingleMidiChannelSelector::button_toggled(ToggleButton *button, uint8_t channel)
        --_recursion_counter;
 }
 
-MidiMultipleChannelSelector::MidiMultipleChannelSelector(uint16_t initial_selection)
-       : MidiChannelSelector(4, 6, 0, 0), _mode(FILTERING_MULTIPLE_CHANNELS)
+MidiMultipleChannelSelector::MidiMultipleChannelSelector(ChannelMode mode, uint16_t mask)
+       : MidiChannelSelector(4, 6, 0, 0)
+       , _channel_mode(mode)
 {
        _select_all.add(*manage(new Label(_("All"))));
        _select_all.signal_clicked().connect(
@@ -102,40 +152,42 @@ MidiMultipleChannelSelector::MidiMultipleChannelSelector(uint16_t initial_select
        attach(_invert_selection, 5, 6, 2, 3);
        attach(_force_channel,    5, 6, 3, 4);
        
-       set_selected_channels(initial_selection);
+       set_selected_channels(mask);
 }
 
 MidiMultipleChannelSelector::~MidiMultipleChannelSelector()
 {
-       selection_changed.clear();
-       force_channel_changed.clear();
+       mode_changed.clear();
 }
 
-const int8_t 
-MidiMultipleChannelSelector::get_force_channel() const
+void
+MidiMultipleChannelSelector::set_channel_mode(ChannelMode mode, uint16_t mask)
 {
-       if(_mode == FORCING_SINGLE_CHANNEL) {
-               for(int8_t i = 0; i < 16; i++) {
-                       const ToggleButton *button = &_buttons[i / 4][i % 4];
-                       if(button->get_active()) {
-                               return i;
-                       } 
+       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);
                }
-               
-               // this point should not be reached.
-               assert(false);
-       } 
-       
-       return -1;
+       }
 }
 
 const 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()) {
+       for (uint16_t i = 0; i < 16; i++) {
+               const ToggleButtonbutton = &_buttons[i / 4][i % 4];
+               if (button->get_active()) {
                        selected_channels |= (1L << i);
                } 
        }
@@ -146,9 +198,9 @@ MidiMultipleChannelSelector::get_selected_channels() const
 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)) {
+       for (uint16_t i = 0; i < 16; i++) {
+               ToggleButtonbutton = &_buttons[i / 4][i % 4];
+               if (selected_channels & (1L << i)) {
                        button->set_active(true);
                } else {
                        button->set_active(false);
@@ -160,13 +212,13 @@ void
 MidiMultipleChannelSelector::button_toggled(ToggleButton *button, uint8_t channel)
 {
        ++_recursion_counter;
-       if(_recursion_counter == 1) {
-               if(_mode == FORCING_SINGLE_CHANNEL) {
+       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());
                }
-       
-               force_channel_changed.emit(get_force_channel());
-               selection_changed.emit(get_selected_channels());
        }
        --_recursion_counter;
 }
@@ -174,67 +226,73 @@ MidiMultipleChannelSelector::button_toggled(ToggleButton *button, uint8_t channe
 void 
 MidiMultipleChannelSelector::force_channels_button_toggled()
 {
-       if(_force_channel.get_active()) {
-               _mode = FORCING_SINGLE_CHANNEL;
+       if (_force_channel.get_active()) {
+               _channel_mode = ForceChannel;
                bool found_first_active = false;
                // leave only the first button enabled
-               for(int i = 0; i <= 15; i++) {
-                       ToggleButton *button = &_buttons[i / 4][i % 4];
-                       if(button->get_active()) {
-                               if(found_first_active) {
+               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) {
+               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);
-               force_channel_changed.emit(get_force_channel());
-               selection_changed.emit(get_selected_channels());
+               mode_changed.emit(_channel_mode, active_channel);
        } else {
-               _mode = FILTERING_MULTIPLE_CHANNELS;
+               _channel_mode = FilterChannels;
                _select_all.set_sensitive(true);
                _select_none.set_sensitive(true);
                _invert_selection.set_sensitive(true);
-               force_channel_changed.emit(get_force_channel());
-               selection_changed.emit(get_selected_channels());
+               mode_changed.emit(FilterChannels, get_selected_channels());
        }
 }
 
 void 
 MidiMultipleChannelSelector::select_all(bool on)
 {
+       if (_channel_mode == ForceChannel)
+               return;
+
        ++_recursion_counter;
-       for(uint16_t i = 0; i < 16; i++) {
-               ToggleButton *button = &_buttons[i / 4][i % 4];
+       for (uint16_t i = 0; i < 16; i++) {
+               ToggleButtonbutton = &_buttons[i / 4][i % 4];
                button->set_active(on);
        }
        --_recursion_counter;
-       selection_changed.emit(get_selected_channels());
+       mode_changed.emit(_channel_mode, get_selected_channels());
 }
 
 void 
 MidiMultipleChannelSelector::invert_selection(void)
 {
+       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()) {
+       for (uint16_t i = 0; i < 16; i++) {
+               ToggleButtonbutton = &_buttons[i / 4][i % 4];
+               if (button->get_active()) {
                        button->set_active(false);
                } else {
                        button->set_active(true);
                }
        }
        --_recursion_counter;
-       selection_changed.emit(get_selected_channels());
+       mode_changed.emit(_channel_mode, get_selected_channels());
 }