hvirtual/cinelerra/channeledit.C

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#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 "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()
{
        channel_picker->get_subwindow()->unlock_window();
        delete scan_thread;
        channel_picker->get_subwindow()->lock_window("ChannelEditThread::~ChannelEditThread");
        delete new_channels;
        delete completion;
}

void ChannelEditThread::run()
{
        int i;

        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);
        current_channel = channel_picker->get_current_channel_number();
//printf("ChannelEditThread::run 1 %d\n", current_channel);

// Run the channel list window using the temporary list.
        ChannelEditWindow window(this, channel_picker);
        window.create_objects();
        this->window = &window;
        int result = window.run_window();
        this->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);

        window.edit_thread->close_threads();
        window.picture_thread->close_threads();

        completion->unlock();
        in_progress = 0;

}

int ChannelEditThread::close_threads()
{
        if(in_progress && window)
        {
                window->edit_thread->close_threads();
                window->picture_thread->close_threads();
                window->set_done(1);
                completion->lock("ChannelEditThread::close_threads");
                completion->unlock();
        }
}

char *ChannelEditThread::value_to_freqtable(int value)
{
        switch(value)
        {
                case NTSC_BCAST:
                        return _("NTSC_BCAST");
                        break;
                case NTSC_CABLE:
                        return _("NTSC_CABLE");
                        break;
                case NTSC_HRC:
                        return _("NTSC_HRC");
                        break;
                case NTSC_BCAST_JP:
                        return _("NTSC_BCAST_JP");
                        break;
                case NTSC_CABLE_JP:
                        return _("NTSC_CABLE_JP");
                        break;
                case PAL_AUSTRALIA:
                        return _("PAL_AUSTRALIA");
                        break;
                case PAL_EUROPE:
                        return _("PAL_EUROPE");
                        break;
                case PAL_E_EUROPE:
                        return _("PAL_E_EUROPE");
                        break;
                case PAL_ITALY:
                        return _("PAL_ITALY");
                        break;
                case PAL_IRELAND:
                        return _("PAL_IRELAND");
                        break;
                case PAL_NEWZEALAND:
                        return _("PAL_NEWZEALAND");
                        break;
        }
}

char* ChannelEditThread::value_to_norm(int value)
{
        switch(value)
        {
                case NTSC:
                        return _("NTSC");
                        break;
                case PAL:
                        return _("PAL");
                        break;
                case SECAM:
                        return _("SECAM");
                        break;
        }
}

char* ChannelEditThread::value_to_input(int value)
{
        if(channel_picker->get_video_inputs()->total > value)
                return channel_picker->get_video_inputs()->values[value]->device_name;
        else
                return _("None");
}







ChannelEditWindow::ChannelEditWindow(ChannelEditThread *thread, 
        ChannelPicker *channel_picker)
 : BC_Window(PROGRAM_NAME ": Channels", 
        channel_picker->parent_window->get_abs_cursor_x(1) - 330, 
        channel_picker->parent_window->get_abs_cursor_y(1), 
        350, 
        400, 
        350, 
        400,
        0,
        0,
        1)
{
        this->thread = thread;
        this->channel_picker = channel_picker;
        scan_confirm_thread = 0;
}
ChannelEditWindow::~ChannelEditWindow()
{
        int i;
        for(i = 0; i < channel_list.total; i++)
        {
                delete channel_list.values[i];
        }
        channel_list.remove_all();
        delete edit_thread;
        delete picture_thread;
        delete scan_confirm_thread;
}

int ChannelEditWindow::create_objects()
{
        int x = 10, y = 10, i;
        char string[1024];

// Create channel list
        for(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, this);
        show_window();
        return 0;
}

int ChannelEditWindow::close_event()
{
        set_done(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;
}

int 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());
}

int 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();
}


int 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);
        }
}

int 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::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 is_num = 1;
                        for(int j = 0; j < strlen(channel1->title); j++)
                                if(!isdigit(channel1->title[j])) is_num = 0;
                        for(int j = 0; j < strlen(channel2->title); j++)
                                if(!isdigit(channel2->title[j])) is_num = 0;
                        if(is_num && atoi(channel1->title) > atoi(channel2->title) ||
                                !is_num && strcasecmp(channel2->title, channel1->title) < 0)
                        {
                                thread->new_channels->set(i, channel2);
                                thread->new_channels->set(i + 1, channel1);
                                done = 0;
                        }
                }
        }
        update_list();
}


int ChannelEditWindow::delete_channel(int number)
{
        delete thread->new_channels->get(number);
        channel_list.remove_number(number);
        thread->new_channels->remove_number(number);
        update_list();
}

int 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);
        return 0;
}

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)
{
        Channel *channel;
        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));
        }
}

ChannelEditSelect::ChannelEditSelect(ChannelEditWindow *window, int x, int y)
 : BC_GenericButton(x, y, _("Select"))
{
}
ChannelEditSelect::~ChannelEditSelect()
{
}
int ChannelEditSelect::handle_event()
{
        window->change_channel_from_list(
                window->list_box->get_selection_number(0, 0));
}

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();
}

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();
}

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();
}

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();
}

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();
}

ChannelEditScan::ChannelEditScan(ChannelEditWindow *window, int x, int y)
 : BC_GenericButton(x, y, _("Scan"))
{
        this->window = window;
}
int ChannelEditScan::handle_event()
{
        window->scan_confirm();
}

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));
}

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();
}

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();
}












// ========================= 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();
        }
}

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 = 0;
        progress = 0;
}

ScanThread::~ScanThread()
{
        interrupt = 1;
        Thread::join();

        delete progress;
}


void ScanThread::start()
{
// Cancel previous job
        interrupt = 1;
        Thread::join();
        delete progress;
        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);
        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(2);

            int got_signal = edit->channel_picker->has_signal();
                if(got_signal)
                {
                        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();
                }
        }
        delete progress;
        progress = 0;
}







// ================================= 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()
{
        delete completion;
}

int 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();
}


void ChannelEditEditThread::set_device()
{
        channel_picker->set_channel(&new_channel);
}

int ChannelEditEditThread::change_source(char *source_name)
{
        int i, result;
        for(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);
                }
        }
}

int 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();
}

int 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();
}

int ChannelEditEditThread::set_input(int value)
{
        new_channel.input = value;
        set_device();
}

int ChannelEditEditThread::set_norm(int value)
{
        new_channel.norm = value;
        set_device();
}

int 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()
{
SET_TRACE
        ChannelEditEditWindow edit_window(this, window, channel_picker);
SET_TRACE
        edit_window.create_objects(&new_channel);
SET_TRACE
        this->edit_window = &edit_window;
SET_TRACE
        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()
{
}
int ChannelEditEditWindow::create_objects(Channel *channel)
{
        this->new_channel = channel;
        Channel *channel_usage = channel_picker->get_channel_usage();
        title_text = 0;

SET_TRACE
        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)
        {
SET_TRACE
                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;
        }

SET_TRACE
        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;
        }

SET_TRACE
        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;
        }
SET_TRACE

        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;
        }

SET_TRACE
        add_subwindow(new BC_OKButton(this));
        x += 200;
        add_subwindow(new BC_CancelButton(this));
        show_window();
SET_TRACE
        return 0;
}

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());
        }
        if(get_text()[0]) 
                thread->user_title = 1;
        else
                thread->user_title = 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());
}


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();
}
int ChannelEditEditSourceTumbler::handle_down_event()
{
        thread->source_down();
}

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()
{
}
int 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;
}

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()
{
}
int 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));
        return 0;
}


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;
}


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()
{
}
int ChannelEditEditFreqtable::add_items()
{
        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));
        return 0;
}

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;
}



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, ChannelEditWindow *window)
 : Thread()
{
        this->channel_picker = channel_picker;
        this->window = window;
        in_progress = 0;
        edit_window = 0;
        completion = new Condition(1, "ChannelEditPictureThread::completion");
}
ChannelEditPictureThread::~ChannelEditPictureThread()
{
        delete completion;
}

int ChannelEditPictureThread::edit_picture()
{
        if(in_progress) 
        {
                edit_window->lock_window("ChannelEditPictureThread::edit_picture");
                edit_window->raise_window(1);
                edit_window->unlock_window();
                return 1;
        }
        in_progress = 1;
        completion->lock("ChannelEditPictureThread::edit_picture");
        set_synchronous(0);
        Thread::start();
}

void ChannelEditPictureThread::run()
{
SET_TRACE
        ChannelEditPictureWindow edit_window(this, 
                channel_picker);
SET_TRACE
        edit_window.create_objects();
SET_TRACE
        this->edit_window = &edit_window;
SET_TRACE
        int result = edit_window.run_window();
SET_TRACE
        this->edit_window = 0;
SET_TRACE
        completion->unlock();
SET_TRACE
        in_progress = 0;
}

int ChannelEditPictureThread::close_threads()
{
        if(edit_window)
        {
                edit_window->set_done(1);
                completion->lock("ChannelEditPictureThread::close_threads");
                completion->unlock();
        }
}


ChannelEditPictureWindow::ChannelEditPictureWindow(ChannelEditPictureThread *thread, 
        ChannelPicker *channel_picker)
 : BC_Window(PROGRAM_NAME ": Picture", 
        channel_picker->parent_window->get_abs_cursor_x(1) - 200, 
        channel_picker->parent_window->get_abs_cursor_y(1) - 220, 
        250, 
        calculate_h(channel_picker), 
        250, 
        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();

        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::create_objects()
{
        int x = 10, y = 10;
        int x1 = 110, x2 = 145;
        int pad = BC_Pot::calculate_h();
#define SWAP_X x1 ^= x2; x2 ^= x1; x1 ^= x2;

SET_TRACE
        PictureConfig *picture_usage = channel_picker->get_picture_usage();
SET_TRACE

        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;
        }

SET_TRACE
        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
                
        }

SET_TRACE
        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
        }

SET_TRACE
        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
        }

SET_TRACE
        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
        }

SET_TRACE
        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
        }

SET_TRACE
        for(int i = 0; i < channel_picker->get_controls(); i++)
        {
                add_subwindow(new BC_Title(x, 
                        y + 10, 
                        _(channel_picker->get_control(i)->name)));
                add_subwindow(new ChannelEditCommon(x1, 
                        y, 
                        channel_picker,
                        channel_picker->get_control(i)));
                y += pad;
                SWAP_X
        }

SET_TRACE

        y += pad;
        add_subwindow(new BC_OKButton(this));
        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;
}

---