Audacious

/*  Audacious - Cross-platform multimedia player

 *  Copyright (C) 2005-2011  Audacious development team.

 *

 *  BMP - Cross-platform multimedia player

 *  Copyright (C) 2003-2004  BMP development team.

 *

 *  Based on XMMS:

 *  Copyright (C) 1998-2003  XMMS development team.

 *

 *  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; under version 3 of the License.

 *

 *  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, see <http://www.gnu.org/licenses>.

 *

 *  The Audacious team does not consider modular code linking to

 *  Audacious or using our public API to be a derived work.

 */

#include <math.h>

#include <stdlib.h>

#include <string.h>

#include <sys/time.h>

#include <libaudcore/audstrings.h>

#include <libaudcore/drct.h>

#include <libaudcore/hook.h>

#include <libaudcore/i18n.h>

#include <libaudcore/mainloop.h>

#include <libaudcore/plugins.h>

#include <libaudcore/runtime.h>

#include <libaudqt/libaudqt.h>

#include "../ui-common/dialogs-qt.h"

#include "actions-mainwin.h"

#include "actions-playlist.h"

#include "dnd.h"

#include "menus.h"

#include "plugin.h"

#include "skins_cfg.h"

#include "equalizer.h"

#include "main.h"

#include "vis-callbacks.h"

#include "playlistwin.h"

#include "button.h"

#include "hslider.h"

#include "menurow.h"

#include "monostereo.h"

#include "number.h"

#include "playlist-widget.h"

#include "playstatus.h"

#include "textbox.h"

#include "window.h"

#include "vis.h"

#include "skins_util.h"

#include "view.h"

#define SEEK_THRESHOLD 200 /* milliseconds */

#define SEEK_SPEED 50 /* milliseconds per pixel */

class MainWindow : public Window

{

public:

    MainWindow (bool shaded) :

        Window (WINDOW_MAIN, & config.player_x, & config.player_y,

         shaded ? MAINWIN_SHADED_WIDTH : skin.hints.mainwin_width,

         shaded ? MAINWIN_SHADED_HEIGHT : skin.hints.mainwin_height, shaded),

        m_dialogs (this) {}

private:

    DialogWindows m_dialogs;

    int m_scroll_delta_x = 0;

    int m_scroll_delta_y = 0;

    void draw (QPainter & cr);

    bool button_press (QMouseEvent * event);

    void enterEvent (QEvent * event);

    Playlist m_playlist;

    int m_popup_pos = -1;

    bool scroll (QWheelEvent * event);

};

Window * mainwin;

Button * mainwin_eq, * mainwin_pl;

TextBox * mainwin_info;

MenuRow * mainwin_menurow;

SkinnedVis * mainwin_vis;

SmallVis * mainwin_svis;

static bool seeking = false;

static int seek_start, seek_time;

static TextBox * locked_textbox = nullptr;

static String locked_old_text;

static QueuedFunc status_message_timeout;

static QueuedFunc mainwin_volume_release_timeout;

static Button * mainwin_menubtn, * mainwin_minimize, * mainwin_shade, * mainwin_close;

static Button * mainwin_shaded_menubtn, * mainwin_shaded_minimize, * mainwin_shaded_shade, * mainwin_shaded_close;

static Button * mainwin_rew, * mainwin_fwd;

static Button * mainwin_eject;

static Button * mainwin_play, * mainwin_pause, * mainwin_stop;

static Button * mainwin_shuffle, * mainwin_repeat;

static TextBox * mainwin_stime_min, * mainwin_stime_sec;

static TextBox * mainwin_rate_text, * mainwin_freq_text, * mainwin_othertext;

static PlayStatus * mainwin_playstatus;

static SkinnedNumber * mainwin_minus_num, * mainwin_10min_num, * mainwin_min_num;

static SkinnedNumber * mainwin_10sec_num, * mainwin_sec_num;

static HSlider * mainwin_position, * mainwin_sposition;

static HSlider * mainwin_volume, * mainwin_balance;

static MonoStereo * mainwin_monostereo;

static Button * mainwin_srew, * mainwin_splay, * mainwin_spause;

static Button * mainwin_sstop, * mainwin_sfwd, * mainwin_seject, * mainwin_about;

static void mainwin_position_motion_cb ();

static void mainwin_position_release_cb ();

static void seek_timeout (void * rewind);

/* always returns a 6-character string */

static StringBuf format_time (int time, int length)

{

    bool zero = aud_get_bool ("leading_zero");

    bool remaining = aud_get_bool ("skins", "show_remaining_time");

    if (remaining && length > 0)

    {

        time = (length - time) / 1000;

        time = aud::clamp(0, time, 359999); // 99:59:59

        if (time < 60)

            return str_printf (zero ? "-00:%02d" : " -0:%02d", time);

        else if (time < 6000)

            return str_printf (zero ? "%03d:%02d" : "%3d:%02d", -time / 60, time % 60);

        else

            return str_printf ("%3d:%02d", -time / 3600, time / 60 % 60);

    }

    else

    {

        time /= 1000;

        time = aud::clamp(0, time, 3599999); // 999:59:59

        if (time < 6000)

            return str_printf (zero ? " %02d:%02d" : " %2d:%02d", time / 60, time % 60);

        else if (time < 60000)

            return str_printf ("%3d:%02d", time / 60, time % 60);

        else

            return str_printf ("%3d:%02d", time / 3600, time / 60 % 60);

    }

}

static void mainwin_menubtn_cb ()

{

    int x, y;

    mainwin->getPosition (& x, & y);

    menu_popup (UI_MENU_MAIN, x + 6 * config.scale,

     y + MAINWIN_SHADED_HEIGHT * config.scale, false, false);

}

static void mainwin_minimize_cb ()

{

    mainwin->showMinimized ();

}

static void mainwin_shade_toggle ()

{

    view_set_player_shaded (! aud_get_bool ("skins", "player_shaded"));

}

static void mainwin_lock_info_text (const char * text)

{

    if (! locked_textbox)

    {

        locked_textbox = skin.hints.mainwin_othertext_is_status ? mainwin_othertext : mainwin_info;

        locked_old_text = locked_textbox->get_text ();

    }

    locked_textbox->set_text (text);

}

static void mainwin_release_info_text (void * = nullptr)

{

    if (locked_textbox)

    {

        locked_textbox->set_text (locked_old_text);

        locked_textbox = nullptr;

        locked_old_text = String ();

    }

}

static void set_info_text (TextBox * textbox, const char * text)

{

    if (textbox == locked_textbox)

        locked_old_text = String (text);

    else

        textbox->set_text (text);

}

#define mainwin_set_info_text(t) set_info_text (mainwin_info, (t))

#define mainwin_set_othertext(t) set_info_text (mainwin_othertext, (t))

void mainwin_show_status_message (const char * message)

{

    mainwin_lock_info_text (message);

    status_message_timeout.queue (1000, mainwin_release_info_text, nullptr);

}

static void mainwin_set_song_title (const char * title)

{

    StringBuf buf;

    if (title)

        buf = str_printf (_("%s - Audacious"), title);

    else

        buf = str_copy (_("Audacious"));

    int instance = aud_get_instance ();

    if (instance != 1)

        str_append_printf (buf, " (%d)", instance);

    mainwin->setWindowTitle ((const char *) buf);

    mainwin_set_info_text (title ? title : "");

}

static void title_change ()

{

    if (aud_drct_get_ready ())

        mainwin_set_song_title (aud_drct_get_title ());

    else

        mainwin_set_song_title ("Buffering ...");

}

static void setup_widget (Widget * widget, int x, int y, bool show)

{

    widget->setVisible (show);

    mainwin->move_widget (false, widget, x, y);

}

void mainwin_refresh_hints ()

{

    const SkinHints * p = & skin.hints;

    mainwin_menurow->setVisible (p->mainwin_menurow_visible);

    mainwin_rate_text->setVisible (p->mainwin_streaminfo_visible);

    mainwin_freq_text->setVisible (p->mainwin_streaminfo_visible);

    mainwin_monostereo->setVisible (p->mainwin_streaminfo_visible);

    mainwin_info->set_width (p->mainwin_text_width);

    setup_widget (mainwin_vis, p->mainwin_vis_x, p->mainwin_vis_y, p->mainwin_vis_visible);

    setup_widget (mainwin_info, p->mainwin_text_x, p->mainwin_text_y, p->mainwin_text_visible);

    setup_widget (mainwin_othertext, p->mainwin_infobar_x, p->mainwin_infobar_y, p->mainwin_othertext_visible);

    bool playing = aud_drct_get_playing ();

    bool can_seek = aud_drct_get_length () > 0;

    setup_widget (mainwin_minus_num, p->mainwin_number_0_x, p->mainwin_number_0_y, playing);

    setup_widget (mainwin_10min_num, p->mainwin_number_1_x, p->mainwin_number_1_y, playing);

    setup_widget (mainwin_min_num, p->mainwin_number_2_x, p->mainwin_number_2_y, playing);

    setup_widget (mainwin_10sec_num, p->mainwin_number_3_x, p->mainwin_number_3_y, playing);

    setup_widget (mainwin_sec_num, p->mainwin_number_4_x, p->mainwin_number_4_y, playing);

    setup_widget (mainwin_position, p->mainwin_position_x, p->mainwin_position_y, can_seek);

    setup_widget (mainwin_playstatus, p->mainwin_playstatus_x, p->mainwin_playstatus_y, true);

    setup_widget (mainwin_volume, p->mainwin_volume_x, p->mainwin_volume_y, true);

    setup_widget (mainwin_balance, p->mainwin_balance_x, p->mainwin_balance_y, true);

    setup_widget (mainwin_rew, p->mainwin_previous_x, p->mainwin_previous_y, true);

    setup_widget (mainwin_play, p->mainwin_play_x, p->mainwin_play_y, true);

    setup_widget (mainwin_pause, p->mainwin_pause_x, p->mainwin_pause_y, true);

    setup_widget (mainwin_stop, p->mainwin_stop_x, p->mainwin_stop_y, true);

    setup_widget (mainwin_fwd, p->mainwin_next_x, p->mainwin_next_y, true);

    setup_widget (mainwin_eject, p->mainwin_eject_x, p->mainwin_eject_y, true);

    setup_widget (mainwin_eq, p->mainwin_eqbutton_x, p->mainwin_eqbutton_y, true);

    setup_widget (mainwin_pl, p->mainwin_plbutton_x, p->mainwin_plbutton_y, true);

    setup_widget (mainwin_shuffle, p->mainwin_shuffle_x, p->mainwin_shuffle_y, true);

    setup_widget (mainwin_repeat, p->mainwin_repeat_x, p->mainwin_repeat_y, true);

    setup_widget (mainwin_about, p->mainwin_about_x, p->mainwin_about_y, true);

    setup_widget (mainwin_minimize, p->mainwin_minimize_x, p->mainwin_minimize_y, true);

    setup_widget (mainwin_shade, p->mainwin_shade_x, p->mainwin_shade_y, true);

    setup_widget (mainwin_close, p->mainwin_close_x, p->mainwin_close_y, true);

    if (aud_get_bool ("skins", "player_shaded"))

        mainwin->resize (MAINWIN_SHADED_WIDTH, MAINWIN_SHADED_HEIGHT);

    else

        mainwin->resize (p->mainwin_width, p->mainwin_height);

    mainwin_vis->set_colors ();

}

/* note that the song info is not translated since it is displayed using

 * the skinned bitmap font, which supports only the English alphabet */

static void mainwin_set_song_info (int bitrate, int samplerate, int channels)

{

    char scratch[32];

    int length;

    if (bitrate > 0)

    {

        if (bitrate < 1000000)

            snprintf (scratch, sizeof scratch, "%3d", bitrate / 1000);

        else

            snprintf (scratch, sizeof scratch, "%2dH", bitrate / 100000);

        mainwin_rate_text->set_text (scratch);

    }

    else

        mainwin_rate_text->set_text (nullptr);

    if (samplerate > 0)

    {

        snprintf (scratch, sizeof scratch, "%2d", samplerate / 1000);

        mainwin_freq_text->set_text (scratch);

    }

    else

        mainwin_freq_text->set_text (nullptr);

    mainwin_monostereo->set_num_channels (channels);

    if (bitrate > 0)

        snprintf (scratch, sizeof scratch, "%d kbps", bitrate / 1000);

    else

        scratch[0] = 0;

    if (samplerate > 0)

    {

        length = strlen (scratch);

        snprintf (scratch + length, sizeof scratch - length, "%s%d kHz", length ?

         ", " : "", samplerate / 1000);

    }

    if (channels > 0)

    {

        length = strlen (scratch);

        snprintf (scratch + length, sizeof scratch - length, "%s%s", length ?

         ", " : "", channels > 2 ? "surround" : channels > 1 ? "stereo" : "mono");

    }

    mainwin_set_othertext (scratch);

}

static void info_change ()

{

    int bitrate, samplerate, channels;

    aud_drct_get_info (bitrate, samplerate, channels);

    mainwin_set_song_info (bitrate, samplerate, channels);

}

static void playback_pause ()

{

    mainwin_playstatus->set_status (STATUS_PAUSE);

}

static void playback_unpause ()

{

    mainwin_playstatus->set_status (STATUS_PLAY);

}

void mainwin_playback_begin ()

{

    mainwin_update_song_info ();

    mainwin_stime_min->show ();

    mainwin_stime_sec->show ();

    mainwin_minus_num->show ();

    mainwin_10min_num->show ();

    mainwin_min_num->show ();

    mainwin_10sec_num->show ();

    mainwin_sec_num->show ();

    if (aud_drct_get_length () > 0)

    {

        mainwin_position->show ();

        mainwin_sposition->show ();

    }

    if (aud_drct_get_paused ())

        playback_pause ();

    else

        playback_unpause ();

    title_change ();

    info_change ();

}

static void mainwin_playback_stop ()

{

    seeking = false;

    timer_remove (TimerRate::Hz10, seek_timeout);

    mainwin_set_song_title (nullptr);

    mainwin_vis->clear ();

    mainwin_svis->clear ();

    mainwin_minus_num->hide ();

    mainwin_10min_num->hide ();

    mainwin_min_num->hide ();

    mainwin_10sec_num->hide ();

    mainwin_sec_num->hide ();

    mainwin_stime_min->hide ();

    mainwin_stime_sec->hide ();

    mainwin_position->hide ();

    mainwin_sposition->hide ();

    mainwin_position->set_pressed (false);

    mainwin_sposition->set_pressed (false);

    /* clear sampling parameter displays */

    mainwin_rate_text->set_text (nullptr);

    mainwin_freq_text->set_text (nullptr);

    mainwin_monostereo->set_num_channels (0);

    mainwin_set_othertext ("");

    mainwin_playstatus->set_status (STATUS_STOP);

    playlistwin_hide_timer();

}

static void record_toggled ()

{

    if (aud_drct_get_record_enabled ())

    {

        if (aud_get_bool ("record"))

            mainwin_show_status_message (_("Recording on"));

        else

            mainwin_show_status_message (_("Recording off"));

    }

}

static void repeat_toggled ()

{

    mainwin_repeat->set_active (aud_get_bool ("repeat"));

}

static void shuffle_toggled ()

{

    mainwin_shuffle->set_active (aud_get_bool ("shuffle"));

}

static void no_advance_toggled ()

{

    if (aud_get_bool ("no_playlist_advance"))

        mainwin_show_status_message (_("Single mode."));

    else

        mainwin_show_status_message (_("Playlist mode."));

}

static void stop_after_song_toggled ()

{

    if (aud_get_bool ("stop_after_current_song"))

        mainwin_show_status_message (_("Stopping after song."));

}

bool MainWindow::scroll (QWheelEvent * event)

{

    m_scroll_delta_x += event->angleDelta ().x ();

    m_scroll_delta_y += event->angleDelta ().y ();

    /* we want discrete steps here */

    int steps_x = m_scroll_delta_x / 120;

    int steps_y = m_scroll_delta_y / 120;

    if (steps_x != 0)

    {

        m_scroll_delta_x -= 120 * steps_x;

        int step_size = aud_get_int ("step_size");

        aud_drct_seek (aud_drct_get_time () - steps_x * step_size * 1000);

    }

    if (steps_y != 0)

    {

        m_scroll_delta_y -= 120 * steps_y;

        int volume_delta = aud_get_int ("volume_delta");

        aud_drct_set_volume_main (aud_drct_get_volume_main () + steps_y * volume_delta);

    }

    return true;

}

bool MainWindow::button_press (QMouseEvent * event)

{

    if (event->button () == Qt::LeftButton &&

     event->type () == QEvent::MouseButtonDblClick &&

     event->y () < 14 * config.scale)

    {

        mainwin_shade_toggle ();

        return true;

    }

    if (event->button () == Qt::RightButton && event->type () == QEvent::MouseButtonPress)

    {

        menu_popup (UI_MENU_MAIN, event->globalX (), event->globalY (), false, false);

        return true;

    }

    return Window::button_press (event);

}

void MainWindow::enterEvent (QEvent * event)

{

    if (is_shaded ())

    {

        QMouseEvent *mouseEvent = static_cast<QMouseEvent *>(event);

        int mousey = mouseEvent->y ();

        if (mousey > 78 && mousey < 165)

        {

            if (aud_get_bool (nullptr, "show_filepopup_for_tuple"))

                   {

                              m_playlist = Playlist::active_playlist ();

                m_popup_pos = m_playlist.get_position ();

                if (m_popup_pos >= 0)

                    audqt::infopopup_show (m_playlist, m_popup_pos);

            }

        }

    }

}

static void mainwin_playback_rpress (Button * button, QMouseEvent * event)

{

    menu_popup (UI_MENU_PLAYBACK, event->globalX (), event->globalY (), false, false);

}

bool Window::keypress (QKeyEvent * event)

{

    if (playlistwin_list->handle_keypress (event))

        return true;

    switch (event->key ())

    {

        case Qt::Key_Left:

            aud_drct_seek (aud_drct_get_time () - 5000);

            break;

        case Qt::Key_Right:

            aud_drct_seek (aud_drct_get_time () + 5000);

            break;

        case Qt::Key_Space:

            aud_drct_pause ();

            break;

        default:

            return false;

    }

    return true;

}

#if 0

void mainwin_drag_data_received (GtkWidget * widget, GdkDragContext * context,

 int x, int y, GtkSelectionData * selection_data, unsigned info, unsigned time, void *)

{

    g_return_if_fail (selection_data != nullptr);

    const char * data = (const char *) gtk_selection_data_get_data (selection_data);

    g_return_if_fail (data);

    if (str_has_prefix_nocase (data, "file:///"))

    {

        if (str_has_suffix_nocase (data, ".wsz\r\n") || str_has_suffix_nocase

         (data, ".zip\r\n"))

        {

            on_skin_view_drag_data_received (0, context, x, y, selection_data, info, time, 0);

            return;

        }

    }

    audgui_urilist_open (data);

}

#endif

static int time_now ()

{

    struct timeval tv;

    gettimeofday (& tv, nullptr);

    return (tv.tv_sec % (24 * 3600) * 1000 + tv.tv_usec / 1000);

}

static int time_diff (int a, int b)

{

    if (a > 18 * 3600 * 1000 && b < 6 * 3600 * 1000) /* detect midnight */

        b += 24 * 3600 * 1000;

    return (b > a) ? b - a : 0;

}

static void seek_timeout (void * rewind)

{

    int held = time_diff (seek_time, time_now ());

    if (held < SEEK_THRESHOLD)

        return;

    int position;

    if (aud::from_ptr<bool> (rewind))

        position = seek_start - held / SEEK_SPEED;

    else

        position = seek_start + held / SEEK_SPEED;

    position = aud::clamp (position, 0, 219);

    mainwin_position->set_pos (position);

    mainwin_position_motion_cb ();

}

static void seek_press (QMouseEvent * event, bool rewind)

{

    if (event->button () != Qt::LeftButton || seeking)

        return;

    seeking = true;

    seek_start = mainwin_position->get_pos ();

    seek_time = time_now ();

    timer_add (TimerRate::Hz10, seek_timeout, aud::to_ptr (rewind));

}

static void seek_release (QMouseEvent * event, bool rewind)

{

    if (event->button () != Qt::LeftButton || ! seeking)

        return;

    if (! aud_drct_get_playing () || time_diff (seek_time, time_now ()) <

     SEEK_THRESHOLD)

    {

        if (rewind)

            aud_drct_pl_prev ();

        else

            aud_drct_pl_next ();

    }

    else

        mainwin_position_release_cb ();

    seeking = false;

    timer_remove (TimerRate::Hz10, seek_timeout);

}

static void mainwin_rew_press (Button * button, QMouseEvent * event)

    { seek_press (event, true); }

static void mainwin_rew_release (Button * button, QMouseEvent * event)

    { seek_release (event, true); }

static void mainwin_fwd_press (Button * button, QMouseEvent * event)

    { seek_press (event, false); }

static void mainwin_fwd_release (Button * button, QMouseEvent * event)

    { seek_release (event, false); }

static void mainwin_shuffle_cb (Button * button, QMouseEvent * event)

    { aud_set_bool ("shuffle", button->get_active ()); }

static void mainwin_repeat_cb (Button * button, QMouseEvent * event)

    { aud_set_bool ("repeat", button->get_active ()); }

static void mainwin_eq_cb (Button * button, QMouseEvent * event)

    { view_set_show_equalizer (button->get_active ()); }

static void mainwin_pl_cb (Button * button, QMouseEvent * event)

    { view_set_show_playlist (button->get_active ()); }

static void mainwin_spos_set_knob ()

{

    int pos = mainwin_sposition->get_pos ();

    int x = (pos < 6) ? 17 : (pos < 9) ? 20 : 23;

    mainwin_sposition->set_knob (x, 36, x, 36);

}

static void mainwin_spos_motion_cb ()

{

    mainwin_spos_set_knob ();

    int pos = mainwin_sposition->get_pos ();

    int length = aud_drct_get_length ();

    int time = (pos - 1) * length / 12;

    StringBuf buf = format_time (time, length);

    mainwin_stime_min->set_text (buf);

    mainwin_stime_sec->set_text (buf + 4);

}

static void mainwin_spos_release_cb ()

{

    mainwin_spos_set_knob ();

    int pos = mainwin_sposition->get_pos ();

    aud_drct_seek (aud_drct_get_length () * (pos - 1) / 12);

}

static void mainwin_position_motion_cb ()

{

    int length = aud_drct_get_length () / 1000;

    int pos = mainwin_position->get_pos ();

    int time = pos * length / 219;

    mainwin_lock_info_text (str_printf (_("Seek to %d:%-2.2d / %d:%-2.2d"),

     time / 60, time % 60, length / 60, length % 60));

}

static void mainwin_position_release_cb ()

{

    int length = aud_drct_get_length ();

    int pos = mainwin_position->get_pos ();

    int time = (int64_t) pos * length / 219;

    aud_drct_seek(time);

    mainwin_release_info_text();

}

void mainwin_adjust_volume_motion (int v)

{

    aud_drct_set_volume_main (v);

    mainwin_lock_info_text (str_printf (_("Volume: %d%%"), v));

}

void mainwin_adjust_volume_release ()

{

    mainwin_release_info_text ();

}

void mainwin_adjust_balance_motion (int b)

{

    aud_drct_set_volume_balance (b);

    if (b < 0)

        mainwin_lock_info_text (str_printf (_("Balance: %d%% left"), -b));

    else if (b == 0)

        mainwin_lock_info_text (_("Balance: center"));

    else

        mainwin_lock_info_text (str_printf (_("Balance: %d%% right"), b));

}

void mainwin_adjust_balance_release ()

{

    mainwin_release_info_text ();

}

static void mainwin_volume_set_frame ()

{

    int pos = mainwin_volume->get_pos ();

    int frame = (pos * 27 + 25) / 51;

    mainwin_volume->set_frame (0, 15 * frame);

}

void mainwin_set_volume_slider (int percent)

{

    mainwin_volume->set_pos ((percent * 51 + 50) / 100);

    mainwin_volume_set_frame ();

}

static void mainwin_volume_motion_cb ()

{

    mainwin_volume_set_frame ();

    int pos = mainwin_volume->get_pos ();

    int vol = (pos * 100 + 25) / 51;

    mainwin_adjust_volume_motion (vol);

    equalizerwin_set_volume_slider (vol);

}

static void mainwin_volume_release_cb ()

{

    mainwin_volume_set_frame ();

    mainwin_adjust_volume_release ();

}

static void mainwin_balance_set_frame ()

{

    int pos = mainwin_balance->get_pos ();

    int frame = (abs (pos - 12) * 27 + 6) / 12;

    mainwin_balance->set_frame (9, 15 * frame);

}

void mainwin_set_balance_slider (int percent)

{

    if (percent > 0)

        mainwin_balance->set_pos (12 + (percent * 12 + 50) / 100);

    else

        mainwin_balance->set_pos (12 + (percent * 12 - 50) / 100);

    mainwin_balance_set_frame ();

}

static void mainwin_balance_motion_cb ()

{

    mainwin_balance_set_frame ();

    int pos = mainwin_balance->get_pos ();

    int bal;

    if (pos > 12)

        bal = ((pos - 12) * 100 + 6) / 12;

    else

        bal = ((pos - 12) * 100 - 6) / 12;

    mainwin_adjust_balance_motion (bal);

    equalizerwin_set_balance_slider (bal);

}

static void mainwin_balance_release_cb ()

{

    mainwin_balance_set_frame ();

    mainwin_adjust_volume_release ();

}

void mainwin_set_volume_diff (int diff)

{

    int vol = aud_drct_get_volume_main ();

    vol = aud::clamp (vol + diff, 0, 100);

    mainwin_adjust_volume_motion (vol);

    mainwin_set_volume_slider (vol);

    equalizerwin_set_volume_slider (vol);

    mainwin_volume_release_timeout.queue (700,

     [] (void *) { mainwin_volume_release_cb (); }, nullptr);

}

void mainwin_mr_change (MenuRowItem i)

{

    switch (i)

    {

        case MENUROW_OPTIONS:

            mainwin_lock_info_text (_("Options Menu"));

            break;

        case MENUROW_ALWAYS:

            if (aud_get_bool ("skins", "always_on_top"))

                mainwin_lock_info_text (_("Disable 'Always On Top'"));

            else

                mainwin_lock_info_text (_("Enable 'Always On Top'"));

            break;

        case MENUROW_FILEINFOBOX:

            mainwin_lock_info_text (_("File Info Box"));

            break;

        case MENUROW_SCALE:

            mainwin_lock_info_text (_("Double Size"));

            break;

        case MENUROW_VISUALIZATION:

            mainwin_lock_info_text (_("Visualizations"));

            break;

        default:

            break;

    }

}

void mainwin_mr_release (MenuRowItem i, QMouseEvent * event)

{

    switch (i)

    {

        case MENUROW_OPTIONS:

            menu_popup (UI_MENU_VIEW, event->globalX (), event->globalY (), false, false);

            break;

        case MENUROW_ALWAYS:

            view_set_on_top (! aud_get_bool ("skins", "always_on_top"));

            break;

        case MENUROW_FILEINFOBOX:

            audqt::infowin_show_current ();

            break;

        case MENUROW_SCALE:

            view_set_double_size (! aud_get_bool ("skins", "double_size"));

            break;

        case MENUROW_VISUALIZATION:

            audqt::prefswin_show_plugin_page (PluginType::Vis);

            break;

        default:

            break;

    }

    mainwin_release_info_text();

}

bool change_timer_mode_cb (QMouseEvent * event)

{

    if (event->type () != QEvent::MouseButtonPress || event->button () != Qt::LeftButton)

        return false;

    view_set_show_remaining (! aud_get_bool ("skins", "show_remaining_time"));

    return true;

}

static bool mainwin_info_button_press (QMouseEvent * event)

{

    if (event->type () == QEvent::MouseButtonPress && event->button () == Qt::RightButton)

    {

        menu_popup (UI_MENU_PLAYBACK, event->globalX (), event->globalY (), false, false);

        return true;

    }

    if (event->type () == QEvent::MouseButtonDblClick && event->button () == Qt::LeftButton)

    {

        audqt::infowin_show_current ();

        return true;

    }

    return false;

}

static void mainwin_create_widgets ()

{

    mainwin_menubtn = new Button (9, 9, 0, 0, 0, 9, SKIN_TITLEBAR, SKIN_TITLEBAR);

    mainwin->put_widget (false, mainwin_menubtn, 6, 3);

    mainwin_menubtn->on_release ((ButtonCB) mainwin_menubtn_cb);

    mainwin_minimize = new Button (9, 9, 9, 0, 9, 9, SKIN_TITLEBAR, SKIN_TITLEBAR);

    mainwin->put_widget (false, mainwin_minimize, 244, 3);

    mainwin_minimize->on_release ((ButtonCB) mainwin_minimize_cb);

    mainwin_shade = new Button (9, 9, 0, 18, 9, 18, SKIN_TITLEBAR, SKIN_TITLEBAR);

    mainwin->put_widget (false, mainwin_shade, 254, 3);

    mainwin_shade->on_release ((ButtonCB) mainwin_shade_toggle);

    mainwin_close = new Button (9, 9, 18, 0, 18, 9, SKIN_TITLEBAR, SKIN_TITLEBAR);

    mainwin->put_widget (false, mainwin_close, 264, 3);

    mainwin_close->on_release ((ButtonCB) skins_close);

    mainwin_rew = new Button (23, 18, 0, 0, 0, 18, SKIN_CBUTTONS, SKIN_CBUTTONS);

    mainwin->put_widget (false, mainwin_rew, 16, 88);

    mainwin_rew->on_press (mainwin_rew_press);

    mainwin_rew->on_release (mainwin_rew_release);

    mainwin_rew->on_rpress (mainwin_playback_rpress);

    mainwin_fwd = new Button (22, 18, 92, 0, 92, 18, SKIN_CBUTTONS, SKIN_CBUTTONS);

    mainwin->put_widget (false, mainwin_fwd, 108, 88);

    mainwin_fwd->on_press (mainwin_fwd_press);

    mainwin_fwd->on_release (mainwin_fwd_release);

    mainwin_fwd->on_rpress (mainwin_playback_rpress);

    mainwin_play = new Button (23, 18, 23, 0, 23, 18, SKIN_CBUTTONS, SKIN_CBUTTONS);

    mainwin->put_widget (false, mainwin_play, 39, 88);

    mainwin_play->on_release ((ButtonCB) aud_drct_play);

    mainwin_play->on_rpress (mainwin_playback_rpress);

    mainwin_pause = new Button (23, 18, 46, 0, 46, 18, SKIN_CBUTTONS, SKIN_CBUTTONS);

    mainwin->put_widget (false, mainwin_pause, 62, 88);

    mainwin_pause->on_release ((ButtonCB) aud_drct_pause);

    mainwin_pause->on_rpress (mainwin_playback_rpress);

    mainwin_stop = new Button (23, 18, 69, 0, 69, 18, SKIN_CBUTTONS, SKIN_CBUTTONS);

    mainwin->put_widget (false, mainwin_stop, 85, 88);

    mainwin_stop->on_release ((ButtonCB) aud_drct_stop);

    mainwin_stop->on_rpress (mainwin_playback_rpress);

    mainwin_eject = new Button (22, 16, 114, 0, 114, 16, SKIN_CBUTTONS, SKIN_CBUTTONS);

    mainwin->put_widget (false, mainwin_eject, 136, 89);

    mainwin_eject->on_release ((ButtonCB) action_play_file);

    mainwin_shuffle = new Button (46, 15, 28, 0, 28, 15, 28, 30, 28, 45, SKIN_SHUFREP, SKIN_SHUFREP);

    mainwin->put_widget (false, mainwin_shuffle, 164, 89);

    mainwin_shuffle->set_active (aud_get_bool ("shuffle"));

    mainwin_shuffle->on_release (mainwin_shuffle_cb);

    mainwin_repeat = new Button (28, 15, 0, 0, 0, 15, 0, 30, 0, 45, SKIN_SHUFREP, SKIN_SHUFREP);

    mainwin->put_widget (false, mainwin_repeat, 210, 89);

    mainwin_repeat->set_active (aud_get_bool ("repeat"));

    mainwin_repeat->on_release (mainwin_repeat_cb);

    mainwin_eq = new Button (23, 12, 0, 61, 46, 61, 0, 73, 46, 73, SKIN_SHUFREP, SKIN_SHUFREP);

    mainwin->put_widget (false, mainwin_eq, 219, 58);

    mainwin_eq->on_release (mainwin_eq_cb);

    mainwin_pl = new Button (23, 12, 23, 61, 69, 61, 23, 73, 69, 73, SKIN_SHUFREP, SKIN_SHUFREP);

    mainwin->put_widget (false, mainwin_pl, 242, 58);

    mainwin_pl->on_release (mainwin_pl_cb);

    String font;

    if (! config.mainwin_use_bitmapfont)

        font = aud_get_str ("skins", "mainwin_font");

    bool shaded = aud_get_bool ("skins", "mainwin_shaded");

    mainwin_info = new TextBox (153, font, ! shaded && config.autoscroll);

    mainwin->put_widget (false, mainwin_info, 112, 27);

    mainwin_info->on_press (mainwin_info_button_press);

    mainwin_othertext = new TextBox (153, nullptr, false);

    mainwin->put_widget (false, mainwin_othertext, 112, 43);

    mainwin_rate_text = new TextBox (15, nullptr, false);

    mainwin->put_widget (false, mainwin_rate_text, 111, 43);

    mainwin_freq_text = new TextBox (10, nullptr, false);

    mainwin->put_widget (false, mainwin_freq_text, 156, 43);

    mainwin_menurow = new MenuRow;

    mainwin->put_widget (false, mainwin_menurow, 10, 22);

    mainwin_volume = new HSlider (0, 51, SKIN_VOLUME, 68, 13, 0, 0, 14, 11, 15, 422, 0, 422);

    mainwin->put_widget (false, mainwin_volume, 107, 57);

    mainwin_volume->on_move (mainwin_volume_motion_cb);

    mainwin_volume->on_release (mainwin_volume_release_cb);

    mainwin_balance = new HSlider (0, 24, SKIN_BALANCE, 38, 13, 9, 0, 14, 11, 15, 422, 0, 422);

    mainwin->put_widget (false, mainwin_balance, 177, 57);

    mainwin_balance->on_move (mainwin_balance_motion_cb);

    mainwin_balance->on_release (mainwin_balance_release_cb);

    mainwin_monostereo = new MonoStereo;

    mainwin->put_widget (false, mainwin_monostereo, 212, 41);

    mainwin_playstatus = new PlayStatus;

    mainwin->put_widget (false, mainwin_playstatus, 24, 28);

    mainwin_minus_num = new SkinnedNumber;

    mainwin->put_widget (false, mainwin_minus_num, 36, 26);

    mainwin_10min_num = new SkinnedNumber;

    mainwin->put_widget (false, mainwin_10min_num, 48, 26);

    mainwin_min_num = new SkinnedNumber;

    mainwin->put_widget (false, mainwin_min_num, 60, 26);

    mainwin_10sec_num = new SkinnedNumber;

    mainwin->put_widget (false, mainwin_10sec_num, 78, 26);

    mainwin_sec_num = new SkinnedNumber;

    mainwin->put_widget (false, mainwin_sec_num, 90, 26);

    mainwin_about = new Button (20, 25);

    mainwin->put_widget (false, mainwin_about, 247, 83);

    mainwin_about->on_release ((ButtonCB) audqt::aboutwindow_show);

    mainwin_vis = new SkinnedVis;

    mainwin->put_widget (false, mainwin_vis, 24, 43);

    mainwin_position = new HSlider (0, 219, SKIN_POSBAR, 248, 10, 0, 0, 29, 10, 248, 0, 278, 0);

    mainwin->put_widget (false, mainwin_position, 16, 72);

    mainwin_position->on_move (mainwin_position_motion_cb);

    mainwin_position->on_release (mainwin_position_release_cb);

    /* shaded */

    mainwin_shaded_menubtn = new Button (9, 9, 0, 0, 0, 9, SKIN_TITLEBAR, SKIN_TITLEBAR);

    mainwin->put_widget (true, mainwin_shaded_menubtn, 6, 3);

    mainwin_shaded_menubtn->on_release ((ButtonCB) mainwin_menubtn_cb);

    mainwin_shaded_minimize = new Button (9, 9, 9, 0, 9, 9, SKIN_TITLEBAR, SKIN_TITLEBAR);

    mainwin->put_widget (true, mainwin_shaded_minimize, 244, 3);

    mainwin_shaded_minimize->on_release ((ButtonCB) mainwin_minimize_cb);

    mainwin_shaded_shade = new Button (9, 9, 0, 27, 9, 27, SKIN_TITLEBAR, SKIN_TITLEBAR);

    mainwin->put_widget (true, mainwin_shaded_shade, 254, 3);

    mainwin_shaded_shade->on_release ((ButtonCB) mainwin_shade_toggle);

    mainwin_shaded_close = new Button (9, 9, 18, 0, 18, 9, SKIN_TITLEBAR, SKIN_TITLEBAR);

    mainwin->put_widget (true, mainwin_shaded_close, 264, 3);

    mainwin_shaded_close->on_release ((ButtonCB) skins_close);

    mainwin_srew = new Button (8, 7);

    mainwin->put_widget (true, mainwin_srew, 169, 4);

    mainwin_srew->on_release ((ButtonCB) aud_drct_pl_prev);

    mainwin_splay = new Button (10, 7);

    mainwin->put_widget (true, mainwin_splay, 177, 4);

    mainwin_splay->on_release ((ButtonCB) aud_drct_play);

    mainwin_spause = new Button (10, 7);

    mainwin->put_widget (true, mainwin_spause, 187, 4);

    mainwin_spause->on_release ((ButtonCB) aud_drct_pause);

    mainwin_sstop = new Button (9, 7);

    mainwin->put_widget (true, mainwin_sstop, 197, 4);

    mainwin_sstop->on_release ((ButtonCB) aud_drct_stop);

    mainwin_sfwd = new Button (8, 7);

    mainwin->put_widget (true, mainwin_sfwd, 206, 4);

    mainwin_sfwd->on_release ((ButtonCB) aud_drct_pl_next);

    mainwin_seject = new Button (9, 7);

    mainwin->put_widget (true, mainwin_seject, 216, 4);

    mainwin_seject->on_release ((ButtonCB) action_play_file);

    mainwin_svis = new SmallVis ();

    mainwin->put_widget (true, mainwin_svis, 79, 5);

    mainwin_sposition = new HSlider (1, 13, SKIN_TITLEBAR, 17, 7, 0, 36, 3, 7, 17, 36, 17, 36);

    mainwin->put_widget (true, mainwin_sposition, 226, 4);

    mainwin_sposition->on_move (mainwin_spos_motion_cb);

    mainwin_sposition->on_release (mainwin_spos_release_cb);

    mainwin_stime_min = new TextBox (15, nullptr, false);

    mainwin->put_widget (true, mainwin_stime_min, 130, 4);

    mainwin_stime_min->on_press (change_timer_mode_cb);

    mainwin_stime_sec = new TextBox (10, nullptr, false);

    mainwin->put_widget (true, mainwin_stime_sec, 147, 4);

    mainwin_stime_sec->on_press (change_timer_mode_cb);

}

#if 0

static gboolean state_cb (GtkWidget * widget, GdkEventWindowState * event, void *)

{

    if (event->changed_mask & GDK_WINDOW_STATE_STICKY)

        view_set_sticky (!! (event->new_window_state & GDK_WINDOW_STATE_STICKY));

    if (event->changed_mask & GDK_WINDOW_STATE_ABOVE)

        view_set_on_top (!! (event->new_window_state & GDK_WINDOW_STATE_ABOVE));

    return true;

}

#endif

void MainWindow::draw (QPainter & cr)

{

    int width = is_shaded () ? MAINWIN_SHADED_WIDTH : skin.hints.mainwin_width;

    int height = is_shaded () ? MAINWIN_SHADED_HEIGHT : skin.hints.mainwin_height;

    skin_draw_pixbuf (cr, SKIN_MAIN, 0, 0, 0, 0, width, height);

    skin_draw_mainwin_titlebar (cr, is_shaded (), true);

}

static void mainwin_create_window ()

{

    bool shaded = aud_get_bool ("skins", "player_shaded");

    mainwin = new MainWindow (shaded);

#if 0

    GtkWidget * w = mainwin->gtk ();

    drag_dest_set (w);

    g_signal_connect (w, "drag-data-received", (GCallback) mainwin_drag_data_received, nullptr);

    g_signal_connect (w, "window-state-event", (GCallback) state_cb, nullptr);

#endif

    hook_associate ("playback begin", (HookFunction) mainwin_playback_begin, nullptr);

    hook_associate ("playback ready", (HookFunction) mainwin_playback_begin, nullptr);

    hook_associate ("playback seek", (HookFunction) mainwin_update_song_info, nullptr);

    hook_associate ("playback stop", (HookFunction) mainwin_playback_stop, nullptr);

    hook_associate ("playback pause", (HookFunction) playback_pause, nullptr);

    hook_associate ("playback unpause", (HookFunction) playback_unpause, nullptr);

    hook_associate ("title change", (HookFunction) title_change, nullptr);

    hook_associate ("info change", (HookFunction) info_change, nullptr);

    hook_associate ("set record", (HookFunction) record_toggled, nullptr);

    hook_associate ("set repeat", (HookFunction) repeat_toggled, nullptr);

    hook_associate ("set shuffle", (HookFunction) shuffle_toggled, nullptr);

    hook_associate ("set no_playlist_advance", (HookFunction) no_advance_toggled, nullptr);

    hook_associate ("set stop_after_current_song", (HookFunction) stop_after_song_toggled, nullptr);

}

void mainwin_unhook ()

{

    seeking = false;

    timer_remove (TimerRate::Hz10, seek_timeout);

    status_message_timeout.stop ();

    mainwin_volume_release_timeout.stop ();

    hook_dissociate ("playback begin", (HookFunction) mainwin_playback_begin);

    hook_dissociate ("playback ready", (HookFunction) mainwin_playback_begin);

    hook_dissociate ("playback seek", (HookFunction) mainwin_update_song_info);

    hook_dissociate ("playback stop", (HookFunction) mainwin_playback_stop);

    hook_dissociate ("playback pause", (HookFunction) playback_pause);

    hook_dissociate ("playback unpause", (HookFunction) playback_unpause);

    hook_dissociate ("title change", (HookFunction) title_change);

    hook_dissociate ("info change", (HookFunction) info_change);

    hook_dissociate ("set record", (HookFunction) record_toggled);

    hook_dissociate ("set repeat", (HookFunction) repeat_toggled);

    hook_dissociate ("set shuffle", (HookFunction) shuffle_toggled);

    hook_dissociate ("set no_playlist_advance", (HookFunction) no_advance_toggled);

    hook_dissociate ("set stop_after_current_song", (HookFunction) stop_after_song_toggled);

    start_stop_visual (true);

    locked_textbox = nullptr;

    locked_old_text = String ();

}

void mainwin_create ()

{

    mainwin_create_window ();

    mainwin_create_widgets ();

    mainwin_set_song_title (nullptr);

}

static void mainwin_update_volume ()

{

    int volume = aud_drct_get_volume_main ();

    int balance = aud_drct_get_volume_balance ();

    mainwin_set_volume_slider (volume);

    mainwin_set_balance_slider (balance);

    equalizerwin_set_volume_slider (volume);

    equalizerwin_set_balance_slider (balance);

}

static void mainwin_update_time_display (int time, int length)

{

    StringBuf scratch = format_time (time, length);

    mainwin_minus_num->set (scratch[0]);

    mainwin_10min_num->set (scratch[1]);

    mainwin_min_num->set (scratch[2]);

    mainwin_10sec_num->set (scratch[4]);

    mainwin_sec_num->set (scratch[5]);

    if (! mainwin_sposition->get_pressed ())

    {

        mainwin_stime_min->set_text (scratch);

        mainwin_stime_sec->set_text (scratch + 4);

    }

    playlistwin_set_time (scratch, scratch + 4);

}

static void mainwin_update_time_slider (int time, int length)

{

    mainwin_position->setVisible (length > 0);

    mainwin_sposition->setVisible (length > 0);

    if (length > 0 && ! seeking)

    {

        if (time < length)

        {

            mainwin_position->set_pos (time * (int64_t) 219 / length);

            mainwin_sposition->set_pos (1 + time * (int64_t) 12 / length);

        }

        else

        {

            mainwin_position->set_pos (219);

            mainwin_sposition->set_pos (13);

        }

        mainwin_spos_set_knob ();

    }

}

void mainwin_update_song_info ()

{

    mainwin_update_volume ();

    if (! aud_drct_get_playing ())

        return;

    int time = 0, length = 0;

    if (aud_drct_get_ready ())

    {

        time = aud_drct_get_time ();

        length = aud_drct_get_length ();

    }

    mainwin_update_time_display (time, length);

    mainwin_update_time_slider (time, length);

}