File: ui_cdinfo.c

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workman 1.3.4-9
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/*
 * $Id: ui_cdinfo.c,v 1.3.4.1 1999/01/15 08:47:35 dirk Exp $
 *
 * This file is part of WorkMan, the civilized CD player program
 * (c) 1991-1997 by Steven Grimm (original author)
 * (c) by Dirk F"orsterling (current 'author' = maintainer)
 * The maintainer can be contacted by his e-mail address:
 * milliByte@DeathsDoor.com
 *
 * 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.
 *
 * ui_cdinfo.c - handle the user interface elements in the CD Info popup.
 */

static char ui_cdinfo_id[] = "$Id: ui_cdinfo.c,v 1.3.4.1 1999/01/15 08:47:35 dirk Exp $";

#include <stdio.h>
#include <sys/param.h>
#include <sys/types.h>
#include <xview/xview.h>
#include <xview/panel.h>
#include "struct.h"
#include "config.h"
#include "proto.h"
#include "workman_ui.h"

extern Panel_item quitbutton;
extern Rect	*track_rect;
extern int	add_height, small_height, basic_spacing;

/*
 * Global object definitions.
 */
extern window1_objects	*Workman_window1;
extern popup1_objects	*Workman_popup1;
extern about_objects	*Workman_about;
extern goodies_objects	*Workman_goodies;
extern plpopup_objects	*Workman_plpopup;

extern int num_names, num_nalloc, my_cdname, my_artist;
extern int cur_track, cur_pos_abs, cur_pos_rel, cur_tracklen, cur_cdlen,
	cur_ntracks, cur_nsections, cur_lasttrack;
extern enum cd_modes cur_cdmode;
extern int cur_frame;
extern char *cur_cdname, *cur_artist;
extern int displayed_track, pop_track, *pop_list, pop_listsize, pl_item,
	pl_listnum;
extern char *empty;
extern int dont_retry, dismiss_button, info_modified;
extern void (*text_event_handler)();
extern unsigned char *speaker_bits[];

/*
 * Stash the current settings away in memory (in preparation for changing
 * tracks, for instance, or before a save.)
 */
void
keep_settings( window1_objects *ip )
{
	popup1_objects	*pu = Workman_popup1;

	stash_cdinfo( (char *)xv_get( pu->artist, PANEL_VALUE ),
		      (char *)xv_get( pu->cdname, PANEL_VALUE ),
		      xv_get( pu->autoplay, PANEL_VALUE ),
		      xv_get( pu->playmode, PANEL_VALUE ) );
	if (pop_track > 0)
		stash_trkinfo( pop_track, (char *)xv_get( pu->trackname, PANEL_VALUE ),
			       xv_get( pu->trackoptions, PANEL_VALUE ) & 1,
			       xv_get( pu->trackoptions, PANEL_VALUE ) & 2);
}

/*
 * Callback function for Apply button.
 */
void
save_config( Panel_item item, Event *event )
{
	keep_settings(Workman_window1);
	save();
	info_modified = 0;
}

/*
 * Notify callback function for `delete'.
 */
void
delete_from_playlist( Panel_item item, Event *event )
{
	plpopup_objects *ip = Workman_plpopup;
	int i;
	
	info_modified = 1;

	if (pl_item >= 0)
	{
		xv_set(ip->playlist, PANEL_LIST_SELECT, pl_item, FALSE,
			PANEL_LIST_DELETE, pl_item, NULL);
		for (i = pl_item; i < pop_listsize; i++)
			pop_list[i] = pop_list[i + 1];
		if (--pop_listsize)
		{
			if (pl_item == pop_listsize)
				pl_item--;
			xv_set(ip->playlist, PANEL_LIST_SELECT, pl_item,
				TRUE, NULL);
			cd->lists[pl_listnum].list = pop_list;
		}
		else
		{
			pl_item = -1;
			xv_set(ip->delete, PANEL_INACTIVE, TRUE, NULL);
			free(pop_list);
			pop_list = NULL;
			cd->lists[pl_listnum].list = pop_list;
		}
	}
}

/*
 * Notify callback function for `artist'.
 */
Panel_setting
update_title( Panel_item item, Event *event )
{
	new_trackname_display(cur_track > 0 ? trackname(cur_track - 1)[0] ?
		trackname(cur_track - 1) : NULL : "",
		cur_track);

	if (event == NULL)
		return ((Panel_setting)NULL);
	return panel_text_notify(item, event);
}

/*
 * Notify callback function for `tracklist'.
 */
int
update_trackname( Panel_item item, char *string, Xv_opaque client_data,
		  Panel_list_op op, Event *event, int row )
{
	popup1_objects *ip = Workman_popup1;
	int	options;
	char	*name;

	switch(op) {
	case PANEL_LIST_OP_DESELECT:
	case PANEL_LIST_OP_VALIDATE:
		if (! pop_track)	/* workaround for bug 1090204 */
			break;
		options = xv_get(ip->trackoptions, PANEL_VALUE);
		name = (char *) xv_get(ip->trackname, PANEL_VALUE);
		stash_trkinfo(row + 1, name, options & 1, (options & 2) >> 1);
		xv_set(ip->tracklist, PANEL_LIST_STRING, row, listentry(row),
			NULL);
		if (cur_track - 1 == row)
			new_trackname_display(name, cur_track);
		if (op == PANEL_LIST_OP_DESELECT)
		{
			xv_set(ip->trackname, PANEL_VALUE, empty, NULL);
			pop_track = 0;
		}
		break;

	case PANEL_LIST_OP_SELECT:
		xv_set(ip->trackname, PANEL_VALUE, trackname(row), NULL);
		xv_set(ip->trackoptions, PANEL_VALUE, (get_avoid(row) ? 2 : 0) |
			(get_contd(row) ? 1 : 0), NULL);
		pop_track = row + 1;
		if (xv_get(ip->whichvolume, PANEL_VALUE))
		{
			xv_set(ip->defaultvolume, PANEL_VALUE,
				get_default_volume(row + 1), NULL);
			set_default_volume(ip->defaultvolume,
				get_default_volume(row + 1), NULL);
		}
		break;

	case PANEL_LIST_OP_DELETE:
		break;
	case PANEL_LIST_OP_DBL_CLICK:
		break;	
	}

	return XV_OK;
}

/*
 * Notify callback function for `insert track'
 */
void insert_in_tracklist( Panel_item item, Event *event )
{
  int i,p;
  popup1_objects *ip = Workman_popup1;

  p = pop_track-1;

  /*
   * Don't get confused here. stash_trkinfo decreases the first
   * parameter (the track to be changed), so we must not pass 'i'
   * here, but 'i+1'
   */
  for( i = (cur_ntracks-1); i > p; i-- )
        stash_trkinfo(i+1, trackname( i-1 ), get_contd( i-1 ) , get_avoid( i-1 ));
  
  xv_set(ip->tracklist, PANEL_LIST_SELECT, p , FALSE, NULL);
  update_trackname(ip->tracklist, listentry(p), 
		   (Xv_opaque)NULL, PANEL_LIST_OP_DESELECT, event, p );
  xv_set(ip->tracklist, PANEL_LIST_SELECT, p, TRUE, NULL);
  update_trackname(ip->tracklist, listentry(p),
		   (Xv_opaque)NULL, PANEL_LIST_OP_SELECT, event, p);

  for( i = (cur_ntracks-1); i >= p; i-- )
    xv_set(ip->tracklist, PANEL_LIST_STRING, i, listentry(i), NULL);

  return;
}


/*
 * Notify callback function for `delete track'.
 */
void delete_from_tracklist( Panel_item item, Event *event )
{
  int i,p;
  popup1_objects *ip = Workman_popup1;

  p = pop_track - 1;

  /*
   * Don't get confused here. stash_trkinfo decreases the first
   * parameter (the track to be changed), so we must not pass 'i'
   * here, but 'i+1'
   */

  xv_set(ip->tracklist, PANEL_LIST_SELECT, p, FALSE, NULL);
  update_trackname(ip->tracklist, listentry(p), 
		   (Xv_opaque)NULL, PANEL_LIST_OP_DESELECT, event, p );

  for( i = p; i < (cur_ntracks-1); i++)
        stash_trkinfo(i+1, trackname( i+1 ), get_contd( i+1 ) , get_avoid( i+1 ));
  stash_trkinfo(cur_ntracks, "", 0, 0);

  xv_set(ip->tracklist, PANEL_LIST_SELECT, p, TRUE, NULL);
  update_trackname(ip->tracklist, listentry(p),
		   (Xv_opaque)NULL, PANEL_LIST_OP_SELECT, event, p);

  for( i = p ; i <= (cur_ntracks-1); i++ )
    xv_set(ip->tracklist, PANEL_LIST_STRING, i, listentry(i), NULL);

  return;
}

/*
 * Notify callback function for `trackname'.
 */
Panel_setting
name_entered( Panel_item item, Event *event )
{
	popup1_objects *ip = Workman_popup1;
	int	next_track = 0;
	Panel_setting	retval;
	
	switch (event_action(event))
	{
		case '\n':
		case '\r':
		case '\033':
			retval = PANEL_NONE;
			next_track = 1;
			break;
		case '\t':
			retval = PANEL_NEXT;
			break;
	        case '\013':
		        retval = PANEL_NONE;
			next_track = 1;
		        break;
		default:
			retval = panel_text_notify(item, event);
	}

/* If a track was selected, save the current settings and go to the next. */
	if (pop_track)
	{
		if (next_track)
		{
			next_track = pop_track;
			if (next_track == cur_ntracks)
				next_track = 0;
			xv_set(ip->tracklist, PANEL_LIST_SELECT, pop_track - 1,
				FALSE, NULL);
			update_trackname(ip->tracklist, listentry(pop_track -
				1), (Xv_opaque)NULL, PANEL_LIST_OP_DESELECT, event,
				pop_track - 1);
			xv_set(ip->tracklist, PANEL_LIST_SELECT, next_track,
				TRUE, NULL);
			update_trackname(ip->tracklist, listentry(next_track),
				(Xv_opaque)NULL, PANEL_LIST_OP_SELECT, event, next_track);
		}
		else
			update_trackname(ip->tracklist, listentry(pop_track -
				1), (Xv_opaque)NULL, PANEL_LIST_OP_VALIDATE, event,
				pop_track - 1);
	}

	return (retval);
}

/*
 * Notify callback function for `defaultvolume'.
 */
void
set_default_volume( Panel_item item, int value, Event *event )
{
	popup1_objects *ip = Workman_popup1;
	static int	old_image = -1;
	Xv_opaque	old_serverimage = 0;
	int		max = xv_get(item, PANEL_MAX_VALUE);
	int		new_image;
	static int	old_volume = -1;

	/*
	 * Make the real volume track the default volume while the user is
	 * sliding the default slider.
	 */
	if (event != NULL)
	{
		info_modified = 1;

		if (event_is_up(event))
		{
			if (old_volume != -1)
				xv_set(Workman_window1->volume, PANEL_VALUE,
					old_volume, NULL);
			old_volume = -1;
		}
		else
		{
			if (old_volume == -1)
				old_volume = xv_get(Workman_window1->volume,
					PANEL_VALUE);
			if (value)
				xv_set(Workman_window1->volume, PANEL_VALUE,
					value - 1, NULL);
		}
		figure_volume(Workman_window1);
	}

	/* we want this to look sort of logarithmic */
	if (value)
	{
		default_volume(xv_get(ip->whichvolume, PANEL_VALUE) * pop_track,
			value);
		new_image = value / (max / 8);
		value = (max * max) - ((max - value) * (max - value));
	}
	else
	{
		new_image = -1;
		default_volume(xv_get(ip->whichvolume, PANEL_VALUE) * pop_track,
			0);
	}

	/* maybe show a new icon... */
	if (new_image > 7)
		new_image = 7;
	if (old_image > -1)
		old_serverimage = xv_get(ip->defaultspeaker, PANEL_LABEL_IMAGE);
	if (new_image != old_image && new_image > -1)
	{
		xv_set(ip->defaultspeaker, PANEL_LABEL_IMAGE,
			xv_create(XV_NULL, SERVER_IMAGE, SERVER_IMAGE_DEPTH, 1,
			XV_WIDTH, 16, XV_HEIGHT, 15, SERVER_IMAGE_X_BITS,
			speaker_bits[new_image], NULL), NULL);
		if (old_image > -1)
			xv_destroy(old_serverimage);
		else
		{
			xv_set(ip->nonemsg, XV_SHOW, FALSE, NULL);
			xv_set(ip->defaultspeaker, XV_SHOW, TRUE, NULL);
		}
		old_image = new_image;
	}
	if (new_image != old_image && new_image == -1)
	{
		xv_destroy(old_serverimage);
		xv_set(ip->defaultspeaker, XV_SHOW, FALSE, NULL);
		xv_set(ip->nonemsg, XV_SHOW, TRUE, NULL);
		old_image = -1;
	}
}

/*
 * Notify callback function for `whichvolume'.
 */
void
set_which_volume( Panel_item item, int value, Event *event )
{
	popup1_objects *ip = Workman_popup1;
	int	vol;

	if (value == 1 && ! pop_track)
	{
		xv_set(item, PANEL_VALUE, 0, NULL);
		value = 0;
	}

	xv_set(item, PANEL_DEFAULT_VALUE, (value + 1) % 2, NULL);
	xv_set(ip->defaultvolume, PANEL_VALUE, vol = get_default_volume(value ?
		pop_track : 0), NULL);
	set_default_volume(ip->defaultvolume, vol, NULL);
}

/*
 * Event notify procedure for text fields, so the PANEL_NOTIFY_PROC gets
 * called when the user clicks on another field.
 */
void
text_event_p( Panel_item item, Event *event )
{
	Panel_setting   (*fp)();
	int               e;
	char             *pns;
	Panel_setting     level;
	static Panel_item last_item = (Panel_item)NULL;

	e = event_id(event);

/* call last_item's PANEL_NOTIFY_PROC if user mouse clicks off it
   but don't do this if PANEL_NOTIFY_PROC already gets triggered via kbd */
	if ( (item != last_item) && (event_action(event) == ACTION_SELECT) &&
		(last_item != (Panel_item)NULL) )
	{
		level = (Panel_setting) xv_get(last_item, PANEL_NOTIFY_LEVEL);
		switch (level)
		{
		case PANEL_NONE:
			break;
		case PANEL_NON_PRINTABLE:
			break;
		case PANEL_SPECIFIED:
			pns = (char *)xv_get(last_item, PANEL_NOTIFY_STRING);
			if ( strchr( pns, (char)e ) != NULL)
				break;
		case PANEL_ALL:
		default:
			fp = (Panel_setting (*)())
				xv_get(last_item, PANEL_NOTIFY_PROC);
			(*fp)(last_item, event);
			break;
		}
	}

	/* save last item in static var */
	last_item = item;

	(text_event_handler)(item, event);
}

/*
 * Notify callback function for `buttonpl'.
 */
void
popup1_buttonpl_notify_callback(Panel_item item, Event *event )
{
	popup1_objects *ip = Workman_popup1;
	
	if( (dismiss_button && (item == ip->buttonpl) ) ||
	    (xv_get( Workman_plpopup->plpopup, FRAME_CMD_PUSHPIN_IN ) == FALSE ) )
	{
		xv_set(Workman_plpopup->plpopup, FRAME_CMD_PUSHPIN_IN, TRUE,
			NULL);
		xv_set(Workman_plpopup->plpopup, XV_SHOW, TRUE, NULL);
	}
	else
		xv_set(Workman_plpopup->plpopup, FRAME_CMD_PUSHPIN_IN, FALSE,
			XV_SHOW, FALSE, NULL);
	xv_set(Workman_plpopup->plpopup, XV_KEY_DATA, FRAME_CMD_PUSHPIN_IN,
		FALSE, NULL);
}

/*
 * Notify callback function for `button8'.
 */
void
cdinfo_reset( Panel_item item, Event *event )
{
	_cdinfo_reset();
}

void
_cdinfo_reset()
{
	enum cd_modes	old_cdmode = cur_cdmode;
	
	kill_stats(Workman_window1);
	wipe_cdinfo();
	load();
	init_stats(Workman_window1);
	show_stats(Workman_window1);
	if (old_cdmode == PAUSED)
	{
		cur_cdmode = PAUSED;
		xv_set(Workman_window1->mode, PANEL_VALUE, PAUSED, NULL);
	}
	info_modified = 0;
}

/*
 * Disable the save buttons (no database file could be located.)
 */
void
disable_save( void )
{
	xv_set(Workman_popup1->button1, XV_SHOW, FALSE, NULL);
	xv_set(Workman_popup1->button8, XV_SHOW, FALSE, NULL);
}