Merge CV, ver=5.1; ops/methods from HV, and interface from CV where possible
[goodguy/history.git] / cinelerra-5.1 / cinelerra / channeledit.C
diff --git a/cinelerra-5.1/cinelerra/channeledit.C b/cinelerra-5.1/cinelerra/channeledit.C
new file mode 100644 (file)
index 0000000..91b7c11
--- /dev/null
@@ -0,0 +1,1768 @@
+
+/*
+ * CINELERRA
+ * Copyright (C) 2011 Adam Williams <broadcast at earthling dot net>
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#include "batch.h"
+#include "bcprogressbox.h"
+#include "bcsignals.h"
+#include "channel.h"
+#include "channeldb.h"
+#include "channeledit.h"
+#include "channelpicker.h"
+#include "chantables.h"
+#include "clip.h"
+#include "condition.h"
+#include "language.h"
+#include "mainsession.h"
+#include "mwindow.h"
+#include "picture.h"
+#include "theme.h"
+#include "videodevice.h"
+#include <ctype.h>
+#include <string.h>
+#include <unistd.h>
+
+
+ChannelEditThread::ChannelEditThread(ChannelPicker *channel_picker,
+       ChannelDB *channeldb)
+ : Thread()
+{
+       this->channel_picker = channel_picker;
+       this->channeldb = channeldb;
+       in_progress = 0;
+       this->window = 0;
+       new_channels = new ChannelDB;
+       completion = new Condition(1, "ChannelEditThread::completion");
+       scan_thread = 0;
+}
+ChannelEditThread::~ChannelEditThread()
+{
+       close_threads();
+       delete scan_thread;
+       delete new_channels;
+       delete completion;
+}
+
+void ChannelEditThread::run()
+{
+       if(in_progress)
+       {
+               if(window)
+               {
+                       window->lock_window("ChannelEditThread::run");
+                       window->raise_window(1);
+                       window->unlock_window();
+               }
+               return;
+       }
+       in_progress = 1;
+       completion->lock("ChannelEditThread::run");
+
+// Copy master channel list to temporary.
+       new_channels->copy_from(channel_picker->channeldb);
+       Channel *channel = channel_picker->get_current_channel();
+       current_channel = channel_picker->channeldb->number_of(channel);
+//printf("ChannelEditThread::run 1 %d\n", current_channel);
+
+// Run the channel list window using the temporary list.
+       window = new ChannelEditWindow(this, channel_picker);
+       window->create_objects();
+       int result = window->run_window();
+       delete window;  window = 0;
+
+       if(!result) {
+// Copy new channels to master list
+               channel_picker->channeldb->clear();
+
+               channel_picker->channeldb->copy_from(new_channels);
+               channel_picker->update_channel_list();
+
+       }
+
+       channel_picker->handle_channel_edit(result);
+
+       completion->unlock();
+       in_progress = 0;
+
+}
+
+void ChannelEditThread::close_threads()
+{
+       if(in_progress && window)
+       {
+               window->set_done(1);
+               completion->lock("ChannelEditThread::close_threads");
+               completion->unlock();
+       }
+}
+
+char *ChannelEditThread::value_to_freqtable(int value)
+{
+       switch(value)
+       {
+               case NTSC_DVB: return _("NTSC_DVB");
+               case CATV_DVB: return _("CATV_DVB");
+               case NTSC_BCAST: return _("NTSC_BCAST");
+               case NTSC_CABLE: return _("NTSC_CABLE");
+               case NTSC_HRC: return _("NTSC_HRC");
+               case NTSC_BCAST_JP: return _("NTSC_BCAST_JP");
+               case NTSC_CABLE_JP: return _("NTSC_CABLE_JP");
+               case PAL_AUSTRALIA: return _("PAL_AUSTRALIA");
+               case PAL_EUROPE: return _("PAL_EUROPE");
+               case PAL_E_EUROPE: return _("PAL_E_EUROPE");
+               case PAL_ITALY: return _("PAL_ITALY");
+               case PAL_IRELAND: return _("PAL_IRELAND");
+               case PAL_NEWZEALAND: return _("PAL_NEWZEALAND");
+       }
+       return _("ERROR");
+}
+
+char* ChannelEditThread::value_to_norm(int value)
+{
+       switch(value)
+       {
+               case NTSC: return _("NTSC");
+               case PAL: return _("PAL");
+               case SECAM: return _("SECAM");
+       }
+       return _("ERROR");
+}
+
+char* ChannelEditThread::value_to_input(int value)
+{
+       ArrayList<Channel*> *inputs = channel_picker->get_video_inputs();
+       return value >= inputs->total ? _("None") :
+               inputs->values[value]->device_name;
+}
+
+
+
+
+
+
+
+ChannelEditWindow::ChannelEditWindow(ChannelEditThread *thread,
+       ChannelPicker *channel_picker)
+ : BC_Window(PROGRAM_NAME ": Channels",
+       channel_picker->mwindow->session->channels_x,
+       channel_picker->mwindow->session->channels_y,
+       350, 400, 350, 400, 0, 0, 1)
+{
+       this->thread = thread;
+       this->channel_picker = channel_picker;
+       this->edit_thread = 0;
+       this->picture_thread = 0;
+       this->scan_confirm_thread = 0;
+}
+
+ChannelEditWindow::~ChannelEditWindow()
+{
+       if( thread->scan_thread )
+               thread->scan_thread->stop();
+       channel_list.remove_all_objects();
+       delete edit_thread;
+       delete picture_thread;
+       delete scan_confirm_thread;
+}
+
+void ChannelEditWindow::create_objects()
+{
+       int x = 10, y = 10;
+
+// Create channel list
+       for(int i = 0; i < thread->new_channels->size(); i++)
+       {
+               channel_list.append(new BC_ListBoxItem(thread->new_channels->get(i)->title));
+       }
+
+       add_subwindow(list_box = new ChannelEditList(this, x, y));
+       x += 200;
+       if(channel_picker->use_select())
+       {
+               add_subwindow(new ChannelEditSelect(this, x, y));
+               y += 30;
+       }
+       add_subwindow(new ChannelEditAdd(this, x, y));
+       y += 30;
+       add_subwindow(new ChannelEdit(this, x, y));
+       y += 30;
+       add_subwindow(new ChannelEditMoveUp(this, x, y));
+       y += 30;
+       add_subwindow(new ChannelEditMoveDown(this, x, y));
+       y += 30;
+       add_subwindow(new ChannelEditSort(this, x, y));
+       y += 30;
+
+       Channel *channel_usage = channel_picker->get_channel_usage();
+       if(channel_usage && channel_usage->has_scanning)
+       {
+               add_subwindow(new ChannelEditScan(this, x, y));
+               y += 30;
+       }
+       add_subwindow(new ChannelEditDel(this, x, y));
+       y += 30;
+       add_subwindow(new ChannelEditPicture(this, x, y));
+       y += 100;
+       x = 10;
+       add_subwindow(new BC_OKButton(this));
+       x += 150;
+       add_subwindow(new BC_CancelButton(this));
+
+
+       edit_thread = new ChannelEditEditThread(this, channel_picker);
+       picture_thread = new ChannelEditPictureThread(channel_picker);
+       show_window();
+}
+
+int ChannelEditWindow::close_event()
+{
+       if( thread->scan_thread )
+               thread->scan_thread->stop();
+       return BC_WindowBase::close_event();
+}
+
+int ChannelEditWindow::translation_event()
+{
+       channel_picker->mwindow->session->channels_x = get_x();
+       channel_picker->mwindow->session->channels_y = get_y();
+       return 0;
+}
+
+
+int ChannelEditWindow::add_channel()
+{
+       Channel *new_channel;
+       Channel *prev_channel = 0;
+
+// Create new channel
+       new_channel = new Channel;
+
+// Reuse parameters from previous channel
+       if(thread->new_channels->size())
+       {
+               prev_channel = thread->new_channels->get(
+                               thread->new_channels->size() - 1);
+               new_channel->copy_settings(prev_channel);
+       }
+       else
+// Use default channel parameters
+       if(channel_picker->get_master_channel())
+       {
+               new_channel->copy_settings(channel_picker->get_master_channel());
+       }
+
+// Copy device usage.  Need the same thing for playback.
+       if(channel_picker->get_master_channel())
+       {
+               new_channel->copy_usage(channel_picker->get_master_channel());
+       }
+
+// Add to channel table
+       channel_list.append(new BC_ListBoxItem(new_channel->title));
+       thread->new_channels->append(new_channel);
+       update_list();
+
+// Start common routing
+       edit_thread->edit_channel(new_channel, 0);
+       return 0;
+}
+
+void ChannelEditWindow::update_list()
+{
+// Create channel list
+       channel_list.remove_all_objects();
+       for(int i = 0; i < thread->new_channels->size(); i++)
+       {
+               channel_list.append(
+                       new BC_ListBoxItem(
+                               thread->new_channels->get(i)->title));
+       }
+
+       list_box->update(&channel_list, 0, 0, 1, list_box->get_yposition());
+}
+
+void ChannelEditWindow::update_list(Channel *channel)
+{
+       int i;
+       for(i = 0; i < thread->new_channels->size(); i++)
+               if(thread->new_channels->get(i) == channel) break;
+
+       if(i < thread->new_channels->size())
+       {
+               channel_list.values[i]->set_text(channel->title);
+       }
+
+       update_list();
+}
+
+
+void ChannelEditWindow::edit_channel()
+{
+       if(list_box->get_selection_number(0, 0) > -1)
+       {
+               thread->current_channel = list_box->get_selection_number(0, 0);
+               edit_thread->edit_channel(
+                       thread->new_channels->get(
+                               list_box->get_selection_number(0, 0)),
+                       1);
+       }
+}
+
+void ChannelEditWindow::edit_picture()
+{
+       picture_thread->edit_picture();
+}
+
+void ChannelEditWindow::scan_confirm()
+{
+       channel_picker->load_scan_defaults(&thread->scan_params);
+       if(!scan_confirm_thread) scan_confirm_thread = new ConfirmScanThread(this);
+       unlock_window();
+       scan_confirm_thread->start();
+       lock_window("ChannelEditWindow::scan_confirm");
+}
+
+void ChannelEditWindow::scan()
+{
+       thread->new_channels->clear();
+       update_list();
+
+       if( !thread->scan_thread )
+               thread->scan_thread = new ScanThread(thread);
+       thread->scan_thread->start();
+}
+
+
+void ChannelEditWindow::get_chan_num(Channel *channel, int &chan, int &stream)
+{
+       const char *cp = channel->title;
+       int chn = 0, str = 0;
+       while( isdigit(*cp) ) chn = 10*chn + (*cp++ -'0');
+       if( chn != 0 && *cp != 0 ) {
+               if( *cp++ == '.' )
+                       while( isdigit(*cp) ) str = 10*str + (*cp++ -'0');
+               if( !str ) chn = 0;
+       }
+       chan = chn;  stream = str;
+}
+
+void ChannelEditWindow::sort()
+{
+       int done = 0;
+       while(!done) {
+               done = 1;
+               for(int i = 0; i < thread->new_channels->size() - 1; i++) {
+                       Channel *channel1 = thread->new_channels->get(i);
+                       Channel *channel2 = thread->new_channels->get(i + 1);
+                       int ch1, st1;  get_chan_num(channel1, ch1, st1);
+                       int ch2, st2;  get_chan_num(channel2, ch2, st2);
+                       if( (ch1 > 0 && ch2 > 0) ?
+                            (ch1 > ch2 || (ch1 == ch2 && (st1 > st2 || (st1 == st2 &&
+                               strcasecmp(channel2->title, channel1->title) < 0)))) :
+                            strcasecmp(channel2->title, channel1->title) < 0) {
+                               thread->new_channels->set(i, channel2);
+                               thread->new_channels->set(i + 1, channel1);
+                               done = 0;
+                       }
+               }
+       }
+       update_list();
+}
+
+
+void ChannelEditWindow::delete_channel(int number)
+{
+       delete thread->new_channels->get(number);
+       channel_list.remove_number(number);
+       thread->new_channels->remove_number(number);
+       update_list();
+}
+
+void ChannelEditWindow::delete_channel(Channel *channel)
+{
+       int i;
+       for(i = 0; i < thread->new_channels->size(); i++)
+       {
+               if(thread->new_channels->get(i) == channel)
+               {
+                       break;
+               }
+       }
+       if(i < thread->new_channels->size()) delete_channel(i);
+}
+
+int ChannelEditWindow::move_channel_up()
+{
+       if(list_box->get_selection_number(0, 0) > -1)
+       {
+               int number2 = list_box->get_selection_number(0, 0);
+               int number1 = number2 - 1;
+               Channel *temp;
+               BC_ListBoxItem *temp_text;
+
+               if(number1 < 0) number1 = thread->new_channels->size() - 1;
+
+               temp = thread->new_channels->get(number1);
+               thread->new_channels->set(number1, thread->new_channels->get(number2));
+               thread->new_channels->set(number2, temp);
+
+               temp_text = channel_list.values[number1];
+               channel_list.values[number1] = channel_list.values[number2];
+               channel_list.values[number2] = temp_text;
+               list_box->update(&channel_list,
+                       0,
+                       0,
+                       1,
+                       list_box->get_xposition(),
+                       list_box->get_yposition(),
+                       number1,
+                       1);
+       }
+       return 0;
+}
+
+int ChannelEditWindow::move_channel_down()
+{
+       if(list_box->get_selection_number(0, 0) > -1)
+       {
+               int number2 = list_box->get_selection_number(0, 0);
+               int number1 = number2 + 1;
+               Channel *temp;
+               BC_ListBoxItem *temp_text;
+
+               if(number1 > thread->new_channels->size() - 1) number1 = 0;
+
+               temp = thread->new_channels->get(number1);
+               thread->new_channels->set(number1, thread->new_channels->get(number2));
+               thread->new_channels->set(number2, temp);
+               temp_text = channel_list.values[number1];
+               channel_list.values[number1] = channel_list.values[number2];
+               channel_list.values[number2] = temp_text;
+               list_box->update(&channel_list,
+                       0,
+                       0,
+                       1,
+                       list_box->get_xposition(),
+                       list_box->get_yposition(),
+                       number1,
+                       1);
+       }
+       return 0;
+}
+
+int ChannelEditWindow::change_channel_from_list(int channel_number)
+{
+       if(channel_number > -1 && channel_number < thread->new_channels->size())
+       {
+               thread->current_channel = channel_number;
+               channel_picker->set_channel(thread->new_channels->get(channel_number));
+       }
+       return 0;
+}
+
+ChannelEditSelect::ChannelEditSelect(ChannelEditWindow *window, int x, int y)
+ : BC_GenericButton(x, y, _("Select"))
+{
+       this->window = window;
+}
+ChannelEditSelect::~ChannelEditSelect()
+{
+}
+int ChannelEditSelect::handle_event()
+{
+       window->change_channel_from_list(
+               window->list_box->get_selection_number(0, 0));
+       return 1;
+}
+
+ChannelEditAdd::ChannelEditAdd(ChannelEditWindow *window, int x, int y)
+ : BC_GenericButton(x, y, _("Add..."))
+{
+       this->window = window;
+}
+ChannelEditAdd::~ChannelEditAdd()
+{
+}
+int ChannelEditAdd::handle_event()
+{
+       window->add_channel();
+       return 1;
+}
+
+ChannelEditList::ChannelEditList(ChannelEditWindow *window, int x, int y)
+ : BC_ListBox(x,
+                       y,
+                       185,
+                       window->get_h() - BC_OKButton::calculate_h() - y - 10,
+                       LISTBOX_TEXT,
+                       &(window->channel_list))
+{
+       this->window = window;
+}
+ChannelEditList::~ChannelEditList()
+{
+}
+int ChannelEditList::handle_event()
+{
+       window->edit_channel();
+       return 1;
+}
+
+ChannelEditMoveUp::ChannelEditMoveUp(ChannelEditWindow *window, int x, int y)
+ : BC_GenericButton(x, y, _("Move up"))
+{
+       this->window = window;
+}
+ChannelEditMoveUp::~ChannelEditMoveUp()
+{
+}
+int ChannelEditMoveUp::handle_event()
+{
+       lock_window("ChannelEditMoveUp::handle_event");
+       window->move_channel_up();
+       unlock_window();
+       return 1;
+}
+
+ChannelEditMoveDown::ChannelEditMoveDown(ChannelEditWindow *window, int x, int y)
+ : BC_GenericButton(x, y, _("Move down"))
+{
+       this->window = window;
+}
+ChannelEditMoveDown::~ChannelEditMoveDown()
+{
+}
+int ChannelEditMoveDown::handle_event()
+{
+       lock_window("ChannelEditMoveDown::handle_event");
+       window->move_channel_down();
+       unlock_window();
+       return 1;
+}
+
+ChannelEditSort::ChannelEditSort(ChannelEditWindow *window, int x, int y)
+ : BC_GenericButton(x, y, _("Sort"))
+{
+       this->window = window;
+}
+int ChannelEditSort::handle_event()
+{
+       lock_window("ChannelEditSort::handle_event");
+       window->sort();
+       unlock_window();
+       return 1;
+}
+
+ChannelEditScan::ChannelEditScan(ChannelEditWindow *window, int x, int y)
+ : BC_GenericButton(x, y, _("Scan"))
+{
+       this->window = window;
+}
+int ChannelEditScan::handle_event()
+{
+       window->scan_confirm();
+       return 1;
+}
+
+ChannelEditDel::ChannelEditDel(ChannelEditWindow *window, int x, int y)
+ : BC_GenericButton(x, y, _("Delete"))
+{
+       this->window = window;
+}
+ChannelEditDel::~ChannelEditDel()
+{
+}
+int ChannelEditDel::handle_event()
+{
+       if(window->list_box->get_selection_number(0, 0) > -1)
+               window->delete_channel(window->list_box->get_selection_number(0, 0));
+       return 1;
+}
+
+ChannelEdit::ChannelEdit(ChannelEditWindow *window, int x, int y)
+ : BC_GenericButton(x, y, _("Edit..."))
+{
+       this->window = window;
+}
+ChannelEdit::~ChannelEdit()
+{
+}
+int ChannelEdit::handle_event()
+{
+       window->edit_channel();
+       return 1;
+}
+
+ChannelEditPicture::ChannelEditPicture(ChannelEditWindow *window, int x, int y)
+ : BC_GenericButton(x, y, _("Picture..."))
+{
+       this->window = window;
+}
+ChannelEditPicture::~ChannelEditPicture()
+{
+}
+int ChannelEditPicture::handle_event()
+{
+       window->edit_picture();
+       return 1;
+}
+
+
+
+
+
+
+
+
+
+
+
+
+// ========================= confirm overwrite by channel scannin
+
+
+ConfirmScan::ConfirmScan(ChannelEditWindow *gui, int x, int y)
+ : BC_Window(PROGRAM_NAME ": Scan confirm",
+       x,
+       y,
+       350,
+       BC_OKButton::calculate_h() + 130,
+       0,
+       0,
+       0,
+       0,
+       1)
+{
+       this->gui = gui;
+}
+
+void ConfirmScan::create_objects()
+{
+       int x = 10, y = 10;
+       int y2 = 0, x2 = 0;
+       BC_Title *title;
+       add_subwindow(title = new BC_Title(x, y, _("Set parameters for channel scanning.")));
+       y += title->get_h() + 10;
+       y2 = y;
+
+       add_subwindow(title = new BC_Title(x, y, _("Frequency table:")));
+       x2 = title->get_w();
+       y += BC_PopupMenu::calculate_h();
+       add_subwindow(title = new BC_Title(x, y, _("Norm:")));
+       x2 = MAX(x2, title->get_w());
+       y += BC_PopupMenu::calculate_h();
+       add_subwindow(title = new BC_Title(x, y, _("Input:")));
+       x2 = MAX(x2, title->get_w());
+       y += BC_PopupMenu::calculate_h();
+       x2 += x + 5;
+
+       y = y2;
+       x = x2;
+       ChannelEditEditFreqtable *table;
+       add_subwindow(table = new ChannelEditEditFreqtable(x,
+               y,
+               0,
+               gui->thread));
+       table->add_items();
+       y += table->get_h() + 10;
+
+       ChannelEditEditNorm *norm;
+       add_subwindow(norm = new ChannelEditEditNorm(x,
+               y,
+               0,
+               gui->thread));
+       norm->add_items();
+       y += norm->get_h() + 10;
+
+       ChannelEditEditInput *input;
+       add_subwindow(input = new ChannelEditEditInput(x,
+               y,
+               0,
+               gui->thread));
+       input->add_items();
+
+
+       add_subwindow(new BC_OKButton(this));
+       add_subwindow(new BC_CancelButton(this));
+       show_window();
+}
+
+
+
+
+
+
+
+ConfirmScanThread::ConfirmScanThread(ChannelEditWindow *gui)
+ : BC_DialogThread()
+{
+       this->gui = gui;
+}
+
+void ConfirmScanThread::handle_done_event(int result)
+{
+       gui->channel_picker->save_scan_defaults(&gui->thread->scan_params);
+       if(!result)
+       {
+               get_gui()->hide_window();
+               gui->lock_window("ConfirmScanThread::handle_done_event");
+               gui->scan();
+               gui->unlock_window();
+       }
+}
+
+ConfirmScanThread::~ConfirmScanThread()
+{
+       close_window();
+}
+
+BC_Window* ConfirmScanThread::new_gui()
+{
+       int x = gui->get_abs_cursor_x(1);
+       int y = gui->get_abs_cursor_y(1);
+       ConfirmScan *result = new ConfirmScan(gui, x, y);
+       result->create_objects();
+       return result;
+}
+
+
+
+
+
+
+ScanThread::ScanThread(ChannelEditThread *edit)
+ : Thread(1, 0, 0)
+{
+       this->edit = edit;
+       interrupt = 1;
+       progress = 0;
+}
+
+ScanThread::~ScanThread()
+{
+       stop();
+}
+
+void ScanThread::stop()
+{
+       if( !interrupt ) {
+// Cancel previous job
+               interrupt = 1;
+               Thread::join();
+       }
+       if( progress ) {
+               progress->stop_progress();
+               delete progress;  progress = 0;
+       }
+}
+
+void ScanThread::start()
+{
+       stop();
+       interrupt = 0;
+
+       progress = new BC_ProgressBox(
+               edit->channel_picker->parent_window->get_abs_cursor_x(1),
+               edit->channel_picker->parent_window->get_abs_cursor_y(1),
+               "Scanning",
+               chanlists[edit->scan_params.freqtable].count);
+       progress->start();
+
+       Thread::start();
+}
+
+void ScanThread::run()
+{
+       for(int i = 0; i < chanlists[edit->scan_params.freqtable].count &&
+                       !interrupt && !progress->is_cancelled(); i++) {
+               edit->scan_params.entry = i;
+               char string[BCTEXTLEN];
+               sprintf(edit->scan_params.title, "%s",
+                       chanlists[edit->scan_params.freqtable].list[i].name);
+               sprintf(string, "Scanning %s", edit->scan_params.title);
+               progress->update_title(string, 1);
+               progress->update(i, 1);
+               edit->channel_picker->set_channel(&edit->scan_params);
+               sleep(1); // has_signal should do whatever it takes
+               if( interrupt ) break;
+               int got_signal = edit->channel_picker->has_signal();
+               if( interrupt ) break;
+               if(!got_signal) continue;
+               if(edit->channel_picker->get_channel_usage()->has_subchan) {
+                       ArrayList<Channel*> channels;
+                       edit->channel_picker->create_channeldb(&channels);
+                       if( channels.total ) {
+                               edit->window->lock_window("ScanThread::run");
+                               for( int i=0; i<channels.total; ++i ) {
+                                       Channel *new_channel = channels.values[i];
+                                       new_channel->copy_usage(&edit->scan_params);
+                                       edit->new_channels->append(new_channel);
+                               }
+                               edit->window->update_list();
+                               edit->window->unlock_window();
+                               continue;
+                       }
+               }
+               Channel *new_channel = new Channel;
+               new_channel->copy_usage(&edit->scan_params);
+               new_channel->copy_settings(&edit->scan_params);
+               edit->window->lock_window("ScanThread::run");
+               edit->new_channels->append(new_channel);
+               edit->window->update_list();
+               edit->window->unlock_window();
+       }
+}
+
+
+
+
+
+
+
+// ================================= Edit a single channel
+
+
+
+ChannelEditEditThread::ChannelEditEditThread(ChannelEditWindow *window,
+       ChannelPicker *channel_picker)
+ : Thread()
+{
+       this->window = window;
+       this->channel_picker = channel_picker;
+       in_progress = 0;
+       edit_window = 0;
+       editing = 0;
+       completion = new Condition(1, "ChannelEditEditThread::completion");
+}
+
+ChannelEditEditThread::~ChannelEditEditThread()
+{
+       close_threads();
+       delete completion;
+}
+
+void ChannelEditEditThread::close_threads()
+{
+       if(edit_window)
+       {
+               edit_window->set_done(1);
+               completion->lock("ChannelEditEditThread::close_threads");
+               completion->unlock();
+       }
+}
+
+int ChannelEditEditThread::edit_channel(Channel *channel, int editing)
+{
+       if(in_progress)
+       {
+               edit_window->lock_window("ChannelEditEditThread::edit_channel");
+               edit_window->raise_window(1);
+               edit_window->unlock_window();
+               return 1;
+       }
+       in_progress = 1;
+
+// Copy the channel to edit into a temporary
+       completion->lock("ChannelEditEditThread::edit_channel");
+       this->editing = editing;
+       this->output_channel = channel;
+       new_channel.copy_settings(output_channel);
+       new_channel.copy_usage(output_channel);
+
+       if(editing && new_channel.title[0])
+               user_title = 1;
+       else
+               user_title = 0;
+       set_synchronous(0);
+       Thread::start();
+       return 0;
+}
+
+
+void ChannelEditEditThread::set_device()
+{
+       channel_picker->set_channel(&new_channel);
+}
+
+void ChannelEditEditThread::change_source(const char *source_name)
+{
+       for(int i = 0; i < chanlists[new_channel.freqtable].count; i++)
+       {
+               if(!strcasecmp(chanlists[new_channel.freqtable].list[i].name, source_name))
+               {
+                       new_channel.entry = i;
+                       i = chanlists[new_channel.freqtable].count;
+                       set_device();
+               }
+       }
+       if(!user_title)
+       {
+               strcpy(new_channel.title, source_name);
+               if(edit_window->title_text)
+               {
+                       edit_window->title_text->update(source_name);
+               }
+       }
+}
+
+void ChannelEditEditThread::source_up()
+{
+       new_channel.entry++;
+       if(new_channel.entry > chanlists[new_channel.freqtable].count - 1) new_channel.entry = 0;
+       source_text->update(chanlists[new_channel.freqtable].list[new_channel.entry].name);
+       set_device();
+}
+
+void ChannelEditEditThread::source_down()
+{
+       new_channel.entry--;
+       if(new_channel.entry < 0) new_channel.entry = chanlists[new_channel.freqtable].count - 1;
+       source_text->update(chanlists[new_channel.freqtable].list[new_channel.entry].name);
+       set_device();
+}
+
+void ChannelEditEditThread::set_input(int value)
+{
+       new_channel.input = value;
+       set_device();
+}
+
+void ChannelEditEditThread::set_norm(int value)
+{
+       new_channel.norm = value;
+       set_device();
+}
+
+void ChannelEditEditThread::set_freqtable(int value)
+{
+       new_channel.freqtable = value;
+       if(new_channel.entry > chanlists[new_channel.freqtable].count - 1) new_channel.entry = 0;
+       source_text->update(chanlists[new_channel.freqtable].list[new_channel.entry].name);
+       set_device();
+}
+
+void ChannelEditEditThread::run()
+{
+       ChannelEditEditWindow edit_window(this, window, channel_picker);
+       edit_window.create_objects(&new_channel);
+       this->edit_window = &edit_window;
+       int result = edit_window.run_window();
+       this->edit_window = 0;
+
+// Done editing channel.  Keep channel.
+       if(!result)
+       {
+               output_channel->copy_settings(&new_channel);
+               window->lock_window();
+               window->update_list(output_channel);
+               window->unlock_window();
+       }
+       else
+       {
+// Discard channel.
+               if(!editing)
+               {
+                       window->lock_window();
+                       window->delete_channel(output_channel);
+                       window->unlock_window();
+               }
+       }
+       editing = 0;
+       completion->unlock();
+       in_progress = 0;
+}
+
+ChannelEditEditWindow::ChannelEditEditWindow(ChannelEditEditThread *thread,
+       ChannelEditWindow *window,
+       ChannelPicker *channel_picker)
+ : BC_Window(PROGRAM_NAME ": Edit Channel",
+       channel_picker->parent_window->get_abs_cursor_x(1),
+       channel_picker->parent_window->get_abs_cursor_y(1),
+       390,
+       300,
+       390,
+       300,
+       0,
+       0,
+       1)
+{
+       this->channel_picker = channel_picker;
+       this->window = window;
+       this->thread = thread;
+}
+ChannelEditEditWindow::~ChannelEditEditWindow()
+{
+}
+void ChannelEditEditWindow::create_objects(Channel *channel)
+{
+       this->new_channel = channel;
+       Channel *channel_usage = channel_picker->get_channel_usage();
+       title_text = 0;
+
+       int x = 10, y = 10;
+//     if(!channel_usage ||
+//             (!channel_usage->use_frequency &&
+//             !channel_usage->use_fine &&
+//             !channel_usage->use_norm &&
+//             !channel_usage->use_input))
+//     {
+//             add_subwindow(new BC_Title(x, y, "Device has no input selection."));
+//             y += 30;
+//     }
+//     else
+//     {
+               add_subwindow(new BC_Title(x, y, _("Title:")));
+               add_subwindow(title_text = new ChannelEditEditTitle(x, y + 20, thread));
+               y += 50;
+//     }
+
+       if(channel_usage && channel_usage->use_frequency)
+       {
+               add_subwindow(new BC_Title(x, y, _("Channel:")));
+               y += 20;
+               add_subwindow(thread->source_text = new ChannelEditEditSource(x, y, thread));
+               add_subwindow(new ChannelEditEditSourceTumbler(x + 160, y, thread));
+               y += 40;
+
+               add_subwindow(new BC_Title(x, y, _("Frequency table:")));
+               ChannelEditEditFreqtable *table;
+               add_subwindow(table = new ChannelEditEditFreqtable(x + 130,
+                       y,
+                       thread,
+                       window->thread));
+               table->add_items();
+               y += 30;
+       }
+
+       if(channel_usage && channel_usage->use_fine)
+       {
+               add_subwindow(new BC_Title(x, y, _("Fine:")));
+               add_subwindow(new ChannelEditEditFine(x + 130, y, thread));
+               y += 30;
+       }
+
+       if(channel_usage && channel_usage->use_norm)
+       {
+               add_subwindow(new BC_Title(x, y, _("Norm:")));
+               ChannelEditEditNorm *norm;
+               add_subwindow(norm = new ChannelEditEditNorm(x + 130,
+                       y,
+                       thread,
+                       window->thread));
+               norm->add_items();
+               y += 30;
+       }
+
+       if( (channel_usage && channel_usage->use_input) ||
+               !channel_usage)
+       {
+               add_subwindow(new BC_Title(x, y, _("Input:")));
+               ChannelEditEditInput *input;
+               add_subwindow(input = new ChannelEditEditInput(x + 130,
+                       y,
+                       thread,
+                       window->thread));
+               input->add_items();
+               y += 30;
+       }
+
+       add_subwindow(new BC_OKButton(this));
+       x += 200;
+       add_subwindow(new BC_CancelButton(this));
+       show_window();
+}
+
+ChannelEditEditTitle::ChannelEditEditTitle(int x,
+       int y,
+       ChannelEditEditThread *thread)
+ : BC_TextBox(x, y, 150, 1, thread->new_channel.title)
+{
+       this->thread = thread;
+}
+ChannelEditEditTitle::~ChannelEditEditTitle()
+{
+}
+int ChannelEditEditTitle::handle_event()
+{
+       if(strlen(get_text()) < 1024)
+       {
+               strcpy(thread->new_channel.title, get_text());
+       }
+       thread->user_title = get_text()[0] ? 1 : 0;
+       return 1;
+}
+
+
+ChannelEditEditSource::ChannelEditEditSource(int x, int y, ChannelEditEditThread *thread)
+ : BC_TextBox(x, y, 150, 1, chanlists[thread->new_channel.freqtable].list[thread->new_channel.entry].name)
+{
+       this->thread = thread;
+}
+
+ChannelEditEditSource::~ChannelEditEditSource()
+{
+}
+int ChannelEditEditSource::handle_event()
+{
+       thread->change_source(get_text());
+       return 1;
+}
+
+
+ChannelEditEditSourceTumbler::ChannelEditEditSourceTumbler(int x, int y, ChannelEditEditThread *thread)
+ : BC_Tumbler(x, y)
+{
+       this->thread = thread;
+}
+ChannelEditEditSourceTumbler::~ChannelEditEditSourceTumbler()
+{
+}
+int ChannelEditEditSourceTumbler::handle_up_event()
+{
+       thread->source_up();
+       return 1;
+}
+int ChannelEditEditSourceTumbler::handle_down_event()
+{
+       thread->source_down();
+       return 1;
+}
+
+ChannelEditEditInput::ChannelEditEditInput(int x,
+       int y,
+       ChannelEditEditThread *thread,
+       ChannelEditThread *edit)
+ : BC_PopupMenu(x,
+       y,
+       150,
+       edit->value_to_input(thread ? thread->new_channel.input : edit->scan_params.input))
+{
+       this->thread = thread;
+       this->edit = edit;
+}
+ChannelEditEditInput::~ChannelEditEditInput()
+{
+}
+void ChannelEditEditInput::add_items()
+{
+       ArrayList<Channel*> *inputs;
+       inputs = edit->channel_picker->get_video_inputs();
+
+       if(inputs)
+       {
+               for(int i = 0; i < inputs->total; i++)
+               {
+                       add_item(new ChannelEditEditInputItem(thread,
+                               edit,
+                               inputs->values[i]->device_name,
+                               i));
+               }
+       }
+}
+int ChannelEditEditInput::handle_event()
+{
+       return 0;
+}
+
+ChannelEditEditInputItem::ChannelEditEditInputItem(ChannelEditEditThread *thread,
+       ChannelEditThread *edit,
+       char *text,
+       int value)
+ : BC_MenuItem(text)
+{
+       this->thread = thread;
+       this->edit = edit;
+       this->value = value;
+}
+ChannelEditEditInputItem::~ChannelEditEditInputItem()
+{
+}
+int ChannelEditEditInputItem::handle_event()
+{
+       get_popup_menu()->set_text(get_text());
+       if(thread && !thread->user_title)
+       {
+               strcpy(thread->new_channel.title, get_text());
+               if(thread->edit_window->title_text)
+               {
+                       thread->edit_window->title_text->update(get_text());
+               }
+       }
+       if(thread)
+               thread->set_input(value);
+       else
+               edit->scan_params.input = value;
+       return 1;
+}
+
+ChannelEditEditNorm::ChannelEditEditNorm(int x,
+       int y,
+       ChannelEditEditThread *thread,
+       ChannelEditThread *edit)
+ : BC_PopupMenu(x,
+       y,
+       100,
+       edit->value_to_norm(thread ? thread->new_channel.norm : edit->scan_params.norm))
+{
+       this->thread = thread;
+       this->edit = edit;
+}
+ChannelEditEditNorm::~ChannelEditEditNorm()
+{
+}
+void ChannelEditEditNorm::add_items()
+{
+       add_item(new ChannelEditEditNormItem(thread,
+               edit,
+               edit->value_to_norm(NTSC), NTSC));
+       add_item(new ChannelEditEditNormItem(thread,
+               edit,
+               edit->value_to_norm(PAL), PAL));
+       add_item(new ChannelEditEditNormItem(thread,
+               edit,
+               edit->value_to_norm(SECAM), SECAM));
+}
+
+
+ChannelEditEditNormItem::ChannelEditEditNormItem(ChannelEditEditThread *thread,
+       ChannelEditThread *edit,
+       char *text,
+       int value)
+ : BC_MenuItem(text)
+{
+       this->value = value;
+       this->edit = edit;
+       this->thread = thread;
+}
+ChannelEditEditNormItem::~ChannelEditEditNormItem()
+{
+}
+int ChannelEditEditNormItem::handle_event()
+{
+       get_popup_menu()->set_text(get_text());
+       if(thread)
+               thread->set_norm(value);
+       else
+               edit->scan_params.norm = value;
+       return 1;
+}
+
+
+ChannelEditEditFreqtable::ChannelEditEditFreqtable(int x,
+       int y,
+       ChannelEditEditThread *thread,
+       ChannelEditThread *edit)
+ : BC_PopupMenu(x,
+       y,
+       150,
+       edit->value_to_freqtable(thread ? thread->new_channel.freqtable : edit->scan_params.freqtable))
+{
+       this->thread = thread;
+       this->edit = edit;
+}
+ChannelEditEditFreqtable::~ChannelEditEditFreqtable()
+{
+}
+void ChannelEditEditFreqtable::add_items()
+{
+       add_item(new ChannelEditEditFreqItem(thread, edit, edit->value_to_freqtable(NTSC_DVB), NTSC_DVB));
+       add_item(new ChannelEditEditFreqItem(thread, edit, edit->value_to_freqtable(CATV_DVB), CATV_DVB));
+       add_item(new ChannelEditEditFreqItem(thread, edit, edit->value_to_freqtable(NTSC_BCAST), NTSC_BCAST));
+       add_item(new ChannelEditEditFreqItem(thread, edit, edit->value_to_freqtable(NTSC_CABLE), NTSC_CABLE));
+       add_item(new ChannelEditEditFreqItem(thread, edit, edit->value_to_freqtable(NTSC_HRC), NTSC_HRC));
+       add_item(new ChannelEditEditFreqItem(thread, edit, edit->value_to_freqtable(NTSC_BCAST_JP), NTSC_BCAST_JP));
+       add_item(new ChannelEditEditFreqItem(thread, edit, edit->value_to_freqtable(NTSC_CABLE_JP), NTSC_CABLE_JP));
+       add_item(new ChannelEditEditFreqItem(thread, edit, edit->value_to_freqtable(PAL_AUSTRALIA), PAL_AUSTRALIA));
+       add_item(new ChannelEditEditFreqItem(thread, edit, edit->value_to_freqtable(PAL_EUROPE), PAL_EUROPE));
+       add_item(new ChannelEditEditFreqItem(thread, edit, edit->value_to_freqtable(PAL_E_EUROPE), PAL_E_EUROPE));
+       add_item(new ChannelEditEditFreqItem(thread, edit, edit->value_to_freqtable(PAL_ITALY), PAL_ITALY));
+       add_item(new ChannelEditEditFreqItem(thread, edit, edit->value_to_freqtable(PAL_IRELAND), PAL_IRELAND));
+       add_item(new ChannelEditEditFreqItem(thread, edit, edit->value_to_freqtable(PAL_NEWZEALAND), PAL_NEWZEALAND));
+}
+
+ChannelEditEditFreqItem::ChannelEditEditFreqItem(ChannelEditEditThread *thread,
+       ChannelEditThread *edit,
+       char *text, int value)
+ : BC_MenuItem(text)
+{
+       this->value = value;
+       this->edit = edit;
+       this->thread = thread;
+}
+ChannelEditEditFreqItem::~ChannelEditEditFreqItem()
+{
+}
+int ChannelEditEditFreqItem::handle_event()
+{
+       get_popup_menu()->set_text(get_text());
+       if(thread)
+               thread->set_freqtable(value);
+       else
+               edit->scan_params.freqtable = value;
+       return 1;
+}
+
+
+
+ChannelEditEditFine::ChannelEditEditFine(int x,
+       int y,
+       ChannelEditEditThread *thread)
+ : BC_ISlider(x,
+               y,
+               0,
+               240,
+               240,
+               -100,
+               100,
+               thread->new_channel.fine_tune)
+{
+       this->thread = thread;
+}
+ChannelEditEditFine::~ChannelEditEditFine()
+{
+}
+int ChannelEditEditFine::handle_event()
+{
+       return 1;
+}
+int ChannelEditEditFine::button_release_event()
+{
+       if(BC_Slider::button_release_event())
+       {
+               thread->new_channel.fine_tune = get_value();
+               thread->set_device();
+               return 1;
+       }
+       return 0;
+}
+
+
+// ========================== picture quality
+
+ChannelEditPictureThread::ChannelEditPictureThread(
+       ChannelPicker *channel_picker)
+ : BC_DialogThread()
+{
+       this->channel_picker = channel_picker;
+}
+ChannelEditPictureThread::~ChannelEditPictureThread()
+{
+}
+
+void ChannelEditPictureThread::handle_done_event(int result)
+{
+       if(channel_picker->get_picture_usage())
+               channel_picker->get_picture_usage()->save_defaults();
+}
+
+BC_Window* ChannelEditPictureThread::new_gui()
+{
+       ChannelEditPictureWindow *edit_window = new ChannelEditPictureWindow(this,
+               channel_picker);
+       edit_window->create_objects();
+       return edit_window;
+}
+
+void ChannelEditPictureThread::edit_picture()
+{
+       start();
+}
+
+
+ChannelEditPictureWindow::ChannelEditPictureWindow(ChannelEditPictureThread *thread,
+       ChannelPicker *channel_picker)
+ : BC_Window(PROGRAM_NAME ": Picture",
+       channel_picker->mwindow->session->picture_x,
+       channel_picker->mwindow->session->picture_y,
+       calculate_w(channel_picker),
+       calculate_h(channel_picker),
+       calculate_w(channel_picker),
+       calculate_h(channel_picker))
+{
+       this->thread = thread;
+       this->channel_picker = channel_picker;
+}
+ChannelEditPictureWindow::~ChannelEditPictureWindow()
+{
+}
+
+int ChannelEditPictureWindow::calculate_h(ChannelPicker *channel_picker)
+{
+       PictureConfig *picture_usage = channel_picker->get_picture_usage();
+       int pad = BC_Pot::calculate_h();
+       int result = 20 +
+               channel_picker->parent_window->get_text_height(MEDIUMFONT) + 5 +
+               BC_OKButton::calculate_h();
+
+// Only used for Video4Linux 1
+       if(picture_usage)
+       {
+               if(picture_usage->use_brightness)
+                       result += pad;
+               if(picture_usage->use_contrast)
+                       result += pad;
+               if(picture_usage->use_color)
+                       result += pad;
+               if(picture_usage->use_hue)
+                       result += pad;
+               if(picture_usage->use_whiteness)
+                       result += pad;
+       }
+
+       result += channel_picker->get_controls() * pad;
+       return result;
+}
+
+int ChannelEditPictureWindow::calculate_w(ChannelPicker *channel_picker)
+{
+       PictureConfig *picture_usage = channel_picker->get_picture_usage();
+       int widget_border = ((Theme*)channel_picker->get_theme())->widget_border;
+       int pad = BC_Pot::calculate_w() + 4 * widget_border;
+       int result = 0;
+
+// Only used for Video4Linux 1
+       if(!picture_usage ||
+               (!picture_usage->use_brightness &&
+               !picture_usage->use_contrast &&
+               !picture_usage->use_color &&
+               !picture_usage->use_hue &&
+               !picture_usage->use_whiteness &&
+               !channel_picker->get_controls()))
+       {
+               result = BC_Title::calculate_w(channel_picker->parent_window,
+                       "Device has no picture controls." +
+                       2 * widget_border);
+       }
+
+// Only used for Video4Linux 1
+       if(picture_usage)
+       {
+               if(picture_usage->use_brightness)
+               {
+                       int new_w = BC_Title::calculate_w(channel_picker->parent_window, "Brightness:") + pad;
+                       result = MAX(result, new_w);
+               }
+               if(picture_usage->use_contrast)
+               {
+                       int new_w = BC_Title::calculate_w(channel_picker->parent_window, "Contrast:") + pad;
+                       result = MAX(result, new_w);
+               }
+               if(picture_usage->use_color)
+               {
+                       int new_w = BC_Title::calculate_w(channel_picker->parent_window, "Color:") + pad;
+                       result = MAX(result, new_w);
+               }
+               if(picture_usage->use_hue)
+               {
+                       int new_w = BC_Title::calculate_w(channel_picker->parent_window, "Hue:") + pad;
+                       result = MAX(result, new_w);
+               }
+               if(picture_usage->use_whiteness)
+               {
+                       int new_w = BC_Title::calculate_w(channel_picker->parent_window, "Whiteness:") + pad;
+                       result = MAX(result, new_w);
+               }
+       }
+
+       for(int i = 0; i < channel_picker->get_controls(); i++)
+       {
+               int new_w = BC_Title::calculate_w(channel_picker->parent_window,
+                               channel_picker->get_control(i)->name) +
+                       pad;
+               result = MAX(result, new_w);
+       }
+
+       return result;
+}
+
+
+void ChannelEditPictureWindow::create_objects()
+{
+       int x = 10, y = 10;
+       int widget_border = ((Theme*)channel_picker->get_theme())->widget_border;
+       int x1 = get_w() - BC_Pot::calculate_w() * 2 - widget_border * 2;
+       int x2 = get_w() - BC_Pot::calculate_w() - widget_border;
+       int pad = BC_Pot::calculate_h();
+
+#define SWAP_X x1 ^= x2; x2 ^= x1; x1 ^= x2;
+
+       PictureConfig *picture_usage = channel_picker->get_picture_usage();
+
+// Only used for Video4Linux 1
+       if(!picture_usage ||
+               (!picture_usage->use_brightness &&
+               !picture_usage->use_contrast &&
+               !picture_usage->use_color &&
+               !picture_usage->use_hue &&
+               !picture_usage->use_whiteness &&
+               !channel_picker->get_controls()))
+       {
+               add_subwindow(new BC_Title(x, y, "Device has no picture controls."));
+               y += 50;
+       }
+
+// Only used for Video4Linux 1
+       if(picture_usage && picture_usage->use_brightness)
+       {
+               add_subwindow(new BC_Title(x, y + 10, _("Brightness:")));
+               add_subwindow(new ChannelEditBright(x1, y, channel_picker, channel_picker->get_brightness()));
+               y += pad;
+               SWAP_X
+
+       }
+
+       if(picture_usage && picture_usage->use_contrast)
+       {
+               add_subwindow(new BC_Title(x, y + 10, _("Contrast:")));
+               add_subwindow(new ChannelEditContrast(x1, y, channel_picker, channel_picker->get_contrast()));
+               y += pad;
+               SWAP_X
+       }
+
+       if(picture_usage && picture_usage->use_color)
+       {
+               add_subwindow(new BC_Title(x, y + 10, _("Color:")));
+               add_subwindow(new ChannelEditColor(x1, y, channel_picker, channel_picker->get_color()));
+               y += pad;
+               SWAP_X
+       }
+
+       if(picture_usage && picture_usage->use_hue)
+       {
+               add_subwindow(new BC_Title(x, y + 10, _("Hue:")));
+               add_subwindow(new ChannelEditHue(x1, y, channel_picker, channel_picker->get_hue()));
+               y += pad;
+               SWAP_X
+       }
+
+       if(picture_usage && picture_usage->use_whiteness)
+       {
+               add_subwindow(new BC_Title(x, y + 10, _("Whiteness:")));
+               add_subwindow(new ChannelEditWhiteness(x1, y, channel_picker, channel_picker->get_whiteness()));
+               y += pad;
+               SWAP_X
+       }
+
+       for(int i = 0; i < channel_picker->get_controls(); i++)
+       {
+               BC_Title *title;
+               add_subwindow(title = new BC_Title(x,
+                       y + 10,
+                       _(channel_picker->get_control(i)->name)));
+
+               int x3 = x1;
+               if(x3 < title->get_x() + title->get_w() + widget_border)
+                       x3 = title->get_x() + title->get_w() + widget_border;
+
+               add_subwindow(new ChannelEditCommon(x3,
+                       y,
+                       channel_picker,
+                       channel_picker->get_control(i)));
+               y += pad;
+               SWAP_X
+       }
+
+
+       y += pad;
+       add_subwindow(new BC_OKButton(this));
+       show_window();
+}
+
+int ChannelEditPictureWindow::translation_event()
+{
+       channel_picker->mwindow->session->picture_x = get_x();
+       channel_picker->mwindow->session->picture_y = get_y();
+       return 0;
+}
+
+
+
+ChannelEditBright::ChannelEditBright(int x, int y, ChannelPicker *channel_picker, int value)
+ : BC_IPot(x,
+               y,
+               value,
+               -100,
+               100)
+{
+       this->channel_picker = channel_picker;
+}
+ChannelEditBright::~ChannelEditBright() {}
+int ChannelEditBright::handle_event()
+{
+       return 1;
+}
+int ChannelEditBright::button_release_event()
+{
+       if(BC_Pot::button_release_event())
+       {
+               channel_picker->set_brightness(get_value());
+               return 1;
+       }
+       return 0;
+}
+
+ChannelEditContrast::ChannelEditContrast(int x, int y, ChannelPicker *channel_picker, int value)
+ : BC_IPot(x,
+               y,
+               value,
+               -100,
+               100)
+{
+       this->channel_picker = channel_picker;
+}
+ChannelEditContrast::~ChannelEditContrast() {}
+int ChannelEditContrast::handle_event()
+{
+       return 1;
+}
+int ChannelEditContrast::button_release_event()
+{
+       if(BC_Pot::button_release_event())
+       {
+               channel_picker->set_contrast(get_value());
+               return 1;
+       }
+       return 0;
+}
+
+
+ChannelEditColor::ChannelEditColor(int x, int y, ChannelPicker *channel_picker, int value)
+ : BC_IPot(x,
+               y,
+               value,
+               -100,
+               100)
+{
+       this->channel_picker = channel_picker;
+}
+ChannelEditColor::~ChannelEditColor() {}
+int ChannelEditColor::handle_event()
+{
+       return 1;
+}
+int ChannelEditColor::button_release_event()
+{
+       if(BC_Pot::button_release_event())
+       {
+               channel_picker->set_color(get_value());
+               return 1;
+       }
+       return 0;
+}
+
+ChannelEditHue::ChannelEditHue(int x, int y, ChannelPicker *channel_picker, int value)
+ : BC_IPot(x,
+               y,
+               value,
+               -100,
+               100)
+{
+       this->channel_picker = channel_picker;
+}
+ChannelEditHue::~ChannelEditHue() {}
+int ChannelEditHue::handle_event()
+{
+       return 1;
+}
+int ChannelEditHue::button_release_event()
+{
+       if(BC_Pot::button_release_event())
+       {
+               channel_picker->set_hue(get_value());
+               return 1;
+       }
+       return 0;
+}
+
+ChannelEditWhiteness::ChannelEditWhiteness(int x, int y, ChannelPicker *channel_picker, int value)
+ : BC_IPot(x,
+               y,
+               value,
+               -100,
+               100)
+{
+       this->channel_picker = channel_picker;
+}
+ChannelEditWhiteness::~ChannelEditWhiteness()
+{
+}
+int ChannelEditWhiteness::handle_event()
+{
+       return 1;
+}
+int ChannelEditWhiteness::button_release_event()
+{
+       if(BC_Pot::button_release_event())
+       {
+               channel_picker->set_whiteness(get_value());
+               return 1;
+       }
+       return 0;
+}
+
+
+
+ChannelEditCommon::ChannelEditCommon(int x,
+       int y,
+       ChannelPicker *channel_picker,
+       PictureItem *item)
+ : BC_IPot(x,
+               y,
+               item->value,
+               item->min,
+               item->max)
+{
+       this->channel_picker = channel_picker;
+       this->device_id = item->device_id;
+}
+
+ChannelEditCommon::~ChannelEditCommon()
+{
+}
+
+int ChannelEditCommon::handle_event()
+{
+       return 1;
+}
+
+int ChannelEditCommon::button_release_event()
+{
+       if(BC_Pot::button_release_event())
+       {
+               channel_picker->set_picture(device_id, get_value());
+               return 1;
+       }
+       return 0;
+}
+
+int ChannelEditCommon::keypress_event()
+{
+       if(BC_Pot::keypress_event())
+       {
+               channel_picker->set_picture(device_id, get_value());
+               return 1;
+       }
+       return 0;
+}
+
+
+
+
+