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e7c7761dd1cf3929b3a32affcea843b768a23ec1
irix-657m-src/eoe/cmd/cdplayer/main.c
calmsacibis995 8fc8fa8089 Source code upload
2022-09-29 17:59:04 +03:00

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/*
* main.c
*
* Description:
* Main program for the cd audio tool
*
* History:
* rogerc 10/29/90 Created
*/
#include <stdio.h>
#include <stdlib.h>
#include <malloc.h>
#include <errno.h>
#include <locale.h>
#include <X11/Intrinsic.h>
#include <X11/StringDefs.h>
#include <Xm/Xm.h>
#include <Xm/PushB.h>
#include <Xm/BulletinB.h>
#include <Xm/DrawingA.h>
#include <Xm/Label.h>
#include <Xm/MessageB.h>
#include <Xm/ToggleBG.h>
#include <Xm/ToggleB.h>
#include <Xm/RowColumn.h>
#include <Xm/Frame.h>
#include <Xm/Form.h>
#include <Xm/Separator.h>
#include "cdaudio.h"
#include "program.h"
#include "client.h"
#include "display.h"
#include "skip.h"
#include "cue.h"
#include "seldbox.h"
#include "progdbox.h"
#include "cddata.h"
#include "database.h"
#include "icon"
#define UPDATEINTERVAL 250
#define TIMEINTERVAL 2000
static struct mainwin_tag {
Widget play, stop, open, quit, skipf, skipb, ff, rew, time;
Widget data, repeat, shuffle, program, clear;
} mainwin;
typedef struct _resource_struct {
XmFontList font_list;
XmString label_string;
GC gc;
} RESOURCESTRUCT;
static void shuffle( Widget w, CLIENTDATA *clientp,
XmAnyCallbackStruct *call_data );
static void normal( Widget w, CLIENTDATA *clientp,
XmAnyCallbackStruct *call_data );
static void program( Widget w, CLIENTDATA *clientp,
XmAnyCallbackStruct *call_data );
static void repeat ( Widget w, CLIENTDATA *clientp,
XmAnyCallbackStruct *call_data );
void set_button_bitmap( Widget button, char *bits, Dimension width,
Dimension height );
void play( Widget w, CLIENTDATA *clientp, XmAnyCallbackStruct *call_data );
void stop( Widget w, CLIENTDATA *clientp, XmAnyCallbackStruct *call_data );
void open_drawer( Widget w, CLIENTDATA *clientp,
XmAnyCallbackStruct *call_data );
void time_display( Widget w, CLIENTDATA *clientp,
XmAnyCallbackStruct *call_data );
void timer_revert( CLIENTDATA *clientp, XtIntervalId *id );
void quit_arm( Widget w, CLIENTDATA *clientp, XmAnyCallbackStruct *call_data );
void quit_activate( Widget w, CLIENTDATA *clientp,
XmAnyCallbackStruct *call_data );
void quit_disarm( Widget w, CLIENTDATA *clientp,
XmAnyCallbackStruct *call_data );
void update( CLIENTDATA *clientp, XtIntervalId *id );
void enable_buttons( int state );
Widget create_button_label( Widget parent, char *name, Arg *create_args,
int ncreate_args );
void draw_button_label( Widget w, RESOURCESTRUCT *r,
XmDrawingAreaCallbackStruct *cb );
void usage( void );
static void terminate( void );
static void PostError(Widget parent, char *errmsg, int fatal);
static char * GetResourceString(Widget w, char *name, char *class, char *def);
static CDPLAYER *cdplayer;
/*
* main( int argc, char *argv[] )
*
* Description:
* Contains the main loop for the CD Audio tool
*
* Parameters:
* argc Number of command line arguments
* argv Command line argument vector
*
* Returns:
* never
*/
main( int argc, char *argv[] )
{
Widget toplevel, mainForm, form, disprc, buttonform;
Widget separator;
Widget play_label, stop_label, skip_label, cue_label;
Widget children[30];
CLIENTDATA client;
CDSTATUS status;
Arg wargs[10];
int n, num_children, i;
char *dev = NULL;
Display *dpy;
unsigned long white, black;
Dimension height;
Pixmap icon;
static XtResource icon_resource = {
"icon",
"Icon",
XmRPrimForegroundPixmap,
sizeof (Pixmap),
0,
XtRImmediate,
(caddr_t)XmUNSPECIFIED_PIXMAP
};
static const char *databasePath = NULL, *databaseCDir = NULL;
static XtResource dbaseResources[] = {
{ "databasePath", "DatabasePath", XmRString, sizeof(String),
(unsigned int)&databasePath, 0, NULL },
{ "databaseCDir", "DatabaseCDir", XmRString,
sizeof(String), (unsigned int)&databaseCDir, 0, NULL }
};
static XrmOptionDescRec cmdLineOptions[] = {
{"-dbpath", "*databasePath", XrmoptionSepArg, NULL},
{"-dbcdir", "*databaseCDir", XrmoptionSepArg, NULL},
};
int rv;
Pixel fg, bg;
int error;
/* mallopt(M_DEBUG,0xffff);*/
memset( &client, 0, sizeof (client) );
for (i = 1; i < argc; i++) {
if (strcmp(argv[i], "-dev") == 0) {
if (i == argc - 1) {
usage();
}
dev = argv[i + 1];
break;
}
}
error = 0;
if (!(client.cdplayer = CDopen( dev, "r" ))) {
/* Save oserror() for later use */
error = oserror();
if (error == 0) {
/* Make sure it's non-zero! */
error = ENOENT;
}
}
/*
* Plug a security hole; this program is setuid, and it writes
* to the file ~/.cdplayerrc, so all kinds of awful things
* could happen with symbolic links if we didn't do this.
* cdplayer has to be setuid so that it can open /dev/scsi files.
*/
setuid(getuid());
/*
* Don't do this i18n stuff until after setuid.
*/
setlocale(LC_ALL, "");
XtSetLanguageProc(NULL, NULL, NULL);
/*
* Now report error if there was one.
*/
if (error) {
setoserror(error);
perror(dev ? dev : "CDROM");
exit(1);
}
toplevel = XtInitialize( argv[0], "Cdplayer", cmdLineOptions,
XtNumber(cmdLineOptions), &argc, argv );
client.toplevel = toplevel;
XtGetApplicationResources(toplevel, NULL, dbaseResources,
XtNumber(dbaseResources), NULL, 0);
rv = db_init_pkg(databasePath, databaseCDir);
if (rv & DB_NEED_DIR) {
if (!databaseCDir) {
databaseCDir = db_get_dflt_dir();
}
if (mkdir(databaseCDir, 0777) < 0) {
#ifdef DEBUG
perror(databaseCDir);
#endif
}
}
cdplayer = client.cdplayer;
atexit( terminate );
CDgetstatus( client.cdplayer, &status );
client.status = &status;
client.data = db_init_from_cd( client.cdplayer, client.status );
n = 0;
XtSetArg( wargs[n], XtNiconPixmap, &icon ); n++;
if (icon == None) {
n = 0;
XtSetArg( wargs[n], XtNiconPixmap,
XCreateBitmapFromData( XtDisplay( toplevel ),
XtScreen( toplevel )->root,
icon_bits, icon_width, icon_height ) ); n++;
XtSetValues( toplevel, wargs, n );
}
n = 0;
mainForm = XmCreateForm( toplevel, "mainForm", wargs, n );
XtManageChild( mainForm );
n = 0;
XtSetArg( wargs[n], XmNorientation, XmVERTICAL ); n++;
XtSetArg(wargs[n], XmNleftAttachment, XmATTACH_FORM); n++;
XtSetArg(wargs[n], XmNtopAttachment, XmATTACH_FORM); n++;
XtSetArg(wargs[n], XmNbottomAttachment, XmATTACH_FORM); n++;
disprc = XmCreateRowColumn( mainForm, "disprc", wargs, n );
XtManageChild( disprc );
create_display( disprc, &client );
form = XmCreateForm( disprc, "displayButtons", NULL, 0 );
XtManageChild( form );
num_children = 0;
children[num_children++] = mainwin.program
= XmCreatePushButton( form, "program", NULL, 0 );
children[num_children++] = mainwin.shuffle
= XmCreatePushButton( form, "shuffle", NULL, 0 );
children[num_children++] = mainwin.clear
= XmCreatePushButton( form, "clear", NULL, 0 );
n = 0;
XtSetArg(wargs[n], XmNtopAttachment, XmATTACH_WIDGET); n++;
XtSetArg(wargs[n], XmNtopWidget, mainwin.program); n++;
children[num_children++] = mainwin.time
= XmCreatePushButton( form, "time", wargs, n );
n = 0;
XtSetArg(wargs[n], XmNtopAttachment, XmATTACH_WIDGET); n++;
XtSetArg(wargs[n], XmNtopWidget, mainwin.shuffle); n++;
children[num_children++] = mainwin.repeat
= XmCreatePushButton( form, "repeat", wargs, n );
n = 0;
XtSetArg(wargs[n], XmNtopAttachment, XmATTACH_WIDGET); n++;
XtSetArg(wargs[n], XmNtopWidget, mainwin.clear); n++;
children[num_children++] = mainwin.data
= XmCreatePushButton( form, "data", wargs, n );
XtManageChildren( children, num_children );
num_children = 0;
n = 0;
XtSetArg(wargs[n], XmNtopAttachment, XmATTACH_FORM); n++;
XtSetArg(wargs[n], XmNrightAttachment, XmATTACH_FORM); n++;
XtSetArg(wargs[n], XmNbottomAttachment, XmATTACH_FORM); n++;
buttonform = XmCreateForm( mainForm, "controlButtons", wargs, n );
XtManageChild( buttonform );
n = 0;
XtSetArg(wargs[n], XmNrightAttachment, XmATTACH_WIDGET); n++;
XtSetArg(wargs[n], XmNrightWidget, buttonform); n++;
XtSetValues(disprc, wargs, n);
n = 0;
XtSetArg( wargs[n], XmNtopAttachment, XmATTACH_FORM ); n++;
XtSetArg( wargs[n], XmNleftAttachment, XmATTACH_FORM ); n++;
XtSetArg( wargs[n], XmNrecomputeSize, False ); n++;
children[num_children++] = play_label = XmCreateLabel( buttonform,
"playLabel", wargs, n );
n = 0;
XtSetArg( wargs[n], XmNheight, &height ); n++;
XtGetValues( play_label, wargs, n );
n = 0;
XtSetArg( wargs[n], XmNtopAttachment, XmATTACH_FORM ); n++;
XtSetArg( wargs[n], XmNleftAttachment, XmATTACH_WIDGET ); n++;
XtSetArg( wargs[n], XmNleftWidget, play_label ); n++;
XtSetArg( wargs[n], XmNrightAttachment, XmATTACH_FORM ); n++;
XtSetArg( wargs[n], XmNrecomputeSize, False ); n++;
children[num_children++] = stop_label = XmCreateLabel( buttonform,
"stopLabel", wargs, n );
n = 0;
XtSetArg(wargs[n], XmNforeground, &fg); n++;
XtSetArg(wargs[n], XmNbackground, &bg); n++;
XtGetValues(stop_label, wargs, n);
n = 0;
XtSetArg( wargs[n], XmNtopAttachment, XmATTACH_WIDGET ); n++;
XtSetArg( wargs[n], XmNtopWidget, play_label ); n++;
XtSetArg( wargs[n], XmNleftAttachment, XmATTACH_FORM ); n++;
children[num_children++] = mainwin.play =
XmCreatePushButton( buttonform, "play", wargs, n );
n = 0;
XtSetArg( wargs[n], XmNtopAttachment, XmATTACH_WIDGET ); n++;
XtSetArg( wargs[n], XmNtopWidget, stop_label ); n++;
XtSetArg( wargs[n], XmNrightAttachment, XmATTACH_FORM ); n++;
children[num_children++] = mainwin.stop =
XmCreatePushButton( buttonform, "stop", wargs, n );
n = 0;
XtSetArg( wargs[n], XmNtopAttachment, XmATTACH_WIDGET ); n++;
XtSetArg( wargs[n], XmNtopWidget, mainwin.play ); n++;
XtSetArg( wargs[n], XmNrightAttachment, XmATTACH_FORM ); n++;
XtSetArg( wargs[n], XmNleftAttachment, XmATTACH_FORM ); n++;
XtSetArg( wargs[n], XmNheight, height ); n++;
XtSetArg(wargs[n], XmNforeground, fg); n++;
XtSetArg(wargs[n], XmNbackground, bg); n++;
children[num_children++] = skip_label
= create_button_label(buttonform, "skipLabel", wargs, n );
n = 0;
XtSetArg( wargs[n], XmNtopAttachment, XmATTACH_WIDGET ); n++;
XtSetArg( wargs[n], XmNtopWidget, skip_label ); n++;
XtSetArg( wargs[n], XmNleftAttachment, XmATTACH_FORM ); n++;
children[num_children++] = mainwin.skipb =
XmCreatePushButton( buttonform, "skipb", wargs, n );
n = 0;
XtSetArg( wargs[n], XmNtopAttachment, XmATTACH_WIDGET ); n++;
XtSetArg( wargs[n], XmNtopWidget, skip_label ); n++;
XtSetArg( wargs[n], XmNleftAttachment, XmATTACH_WIDGET ); n++;
XtSetArg( wargs[n], XmNleftWidget, mainwin.skipb ); n++;
XtSetArg( wargs[n], XmNrightAttachment, XmATTACH_FORM ); n++;
children[num_children++] = mainwin.skipf =
XmCreatePushButton( buttonform, "skipf", wargs, n );
n = 0;
XtSetArg( wargs[n], XmNtopAttachment, XmATTACH_WIDGET ); n++;
XtSetArg( wargs[n], XmNtopWidget, mainwin.skipb ); n++;
XtSetArg( wargs[n], XmNrightAttachment, XmATTACH_FORM ); n++;
XtSetArg( wargs[n], XmNleftAttachment, XmATTACH_FORM ); n++;
XtSetArg( wargs[n], XmNheight, height ); n++;
XtSetArg(wargs[n], XmNforeground, fg); n++;
XtSetArg(wargs[n], XmNbackground, bg); n++;
children[num_children++] = cue_label = create_button_label( buttonform,
"cueLabel", wargs, n );
n = 0;
XtSetArg( wargs[n], XmNtopAttachment, XmATTACH_WIDGET ); n++;
XtSetArg( wargs[n], XmNtopWidget, cue_label ); n++;
XtSetArg( wargs[n], XmNleftAttachment, XmATTACH_FORM ); n++;
children[num_children++] = mainwin.rew
= XmCreatePushButton( buttonform, "rew", wargs, n );
n = 0;
XtSetArg( wargs[n], XmNtopAttachment, XmATTACH_WIDGET ); n++;
XtSetArg( wargs[n], XmNtopWidget, cue_label ); n++;
XtSetArg( wargs[n], XmNleftAttachment, XmATTACH_WIDGET ); n++;
XtSetArg( wargs[n], XmNleftWidget, mainwin.rew ); n++;
XtSetArg( wargs[n], XmNrightAttachment, XmATTACH_FORM ); n++;
children[num_children++] = mainwin.ff = XmCreatePushButton( buttonform,
"ff", wargs, n );
n = 0;
XtSetArg( wargs[n], XmNtopAttachment, XmATTACH_WIDGET ); n++;
XtSetArg( wargs[n], XmNtopWidget, mainwin.rew ); n++;
XtSetArg( wargs[n], XmNleftAttachment, XmATTACH_FORM ); n++;
XtSetArg( wargs[n], XmNrightAttachment, XmATTACH_FORM ); n++;
children[num_children++] = separator = XmCreateSeparator( buttonform,
"separator", wargs, n );
n = 0;
XtSetArg( wargs[n], XmNtopAttachment, XmATTACH_WIDGET ); n++;
XtSetArg( wargs[n], XmNtopWidget, separator ); n++;
XtSetArg( wargs[n], XmNleftAttachment, XmATTACH_FORM ); n++;
children[num_children++] = mainwin.quit =
XmCreatePushButton( buttonform, "quit", wargs, n );
n = 0;
XtSetArg( wargs[n], XmNtopAttachment, XmATTACH_WIDGET ); n++;
XtSetArg( wargs[n], XmNtopWidget, separator ); n++;
XtSetArg( wargs[n], XmNleftAttachment, XmATTACH_WIDGET ); n++;
XtSetArg( wargs[n], XmNleftWidget, mainwin.quit ); n++;
XtSetArg( wargs[n], XmNrightAttachment, XmATTACH_FORM ); n++;
children[num_children++] = mainwin.open =
XmCreatePushButton( buttonform, "open", wargs, n );
XtManageChildren( children, num_children );
create_data_dbox( mainwin.data, &client );
create_program_select_dialog( mainwin.program, &client );
client.normalButton = mainwin.clear;
client.shuffleButton = mainwin.shuffle;
client.programButton = mainwin.program;
client.time = mainwin.time;
client.update_func = update;
XtAddCallback(mainwin.play, XmNactivateCallback, play, &client);
XtAddCallback(mainwin.stop, XmNactivateCallback, stop, &client);
XtAddCallback(mainwin.open, XmNactivateCallback, open_drawer,
&client);
XtAddCallback(mainwin.skipf, XmNactivateCallback, skipf, &client);
XtAddCallback(mainwin.skipb, XmNactivateCallback, skipb, &client);
XtAddCallback(mainwin.quit, XmNarmCallback, quit_arm, &client);
XtAddCallback(mainwin.quit, XmNactivateCallback, quit_activate,
&client);
XtAddCallback(mainwin.quit, XmNdisarmCallback, quit_disarm,
&client);
XtAddCallback(mainwin.ff, XmNarmCallback, ff_arm, &client);
XtAddCallback(mainwin.ff, XmNdisarmCallback, ff_disarm, &client);
XtAddCallback(mainwin.rew, XmNarmCallback, rew_arm, &client);
XtAddCallback(mainwin.rew, XmNdisarmCallback, rew_disarm, &client);
XtAddCallback(mainwin.time, XmNactivateCallback, time_display,
&client);
XtAddCallback(mainwin.data, XmNactivateCallback, popup_data_dbox,
&client);
XtAddCallback(mainwin.program, XmNactivateCallback, program, &client);
XtAddCallback(mainwin.shuffle, XmNactivateCallback, shuffle, &client);
XtAddCallback(mainwin.clear, XmNactivateCallback, normal, &client);
XtAddCallback(mainwin.repeat, XmNactivateCallback, repeat, &client);
XtRealizeWidget(toplevel);
update(&client, 0);
XtMainLoop();
}
/*
* static void shuffle( Widget w, CLIENTDATA *clientp,
* XmAnyCallbackStruct *call_data )
*
* Description:
* callback function for the shuffle widget. Create a random program
* and set things up for playing it.
*
* Parameters:
* w The shuffle widget
* clientp client data
* call_data ignored
*/
static void
shuffle( Widget w, CLIENTDATA *clientp, XmAnyCallbackStruct *call_data )
{
CDstop( clientp->cdplayer );
clientp->play_mode = PLAYMODE_SHUFFLE;
if (clientp->program)
free_program( clientp->program );
clientp->program = program_shuffle( clientp->cdplayer );
set_playmode_text( PLAYMODE_SHUFFLE );
}
/*
* static void normal( Widget w, CLIENTDATA *clientp,
* XmAnyCallbackStruct *call_data )
*
* Description:
* callback function for the normal widget. Takes us out of shuffle
* or program mode, stopping cd if we weren't already in normal mode
*
* Parameters:
* w the normal widget
* clientp client data
* call_data ignored
*/
static void
normal( Widget w, CLIENTDATA *clientp, XmAnyCallbackStruct *call_data )
{
if (clientp->play_mode != PLAYMODE_NORMAL) {
program_stop( clientp->cdplayer, clientp->program );
if (clientp->program) {
free_program( clientp->program );
clientp->program = 0;
}
}
set_playmode_text( PLAYMODE_NORMAL );
clientp->play_mode = PLAYMODE_NORMAL;
}
/*
* static void program ( Widget w, CLIENTDATA *clientp,
* XmAnyCallbackStruct *call_data )
*
* Description:
* callback function for the program widget. Pops up the program
* selection dialog box to allow the user to select a program to play.
*
* Parameters:
* w
* clientp client data
* call_data ignored
*/
static void
program ( Widget w, CLIENTDATA *clientp, XmAnyCallbackStruct *call_data )
{
select_program( clientp );
}
/*
* static void repeat ( Widget w, CLIENTDATA *clientp,
* XmAnyCallbackStruct *call_data )
*
* Description:
* Toggle repeat status
*
* Parameters:
* w The repeat button
* clientp client data
* call_data ignored
*/
static void
repeat ( Widget w, CLIENTDATA *clientp, XmAnyCallbackStruct *call_data )
{
CDSTATUS status;
clientp->repeat_button = ~clientp->repeat_button;
set_repeat( clientp->repeat_button );
/*
* This makes repeat work when cdplayer is started when the CD
* is already playing. Since the CD was already playing,
* play() might not have been called, and thus clientp->repeat
* might not have been set. So we set it here if appropriate.
*/
if (CDgetstatus(clientp->cdplayer, &status)
&& (status.state == CD_PLAYING
|| status.state == CD_STILL
|| status.state == CD_PAUSED)) {
clientp->repeat = 1;
}
}
/*
* void play( Widget w, CLIENTDATA *clientp, XmAnyCallbackStruct *call_data )
*
* Description:
* Start play of CD if CD-ROM drive is ready
* Continue play of CD if CD is paused
* Pause CD if CD is playing
*
* Parameters:
* w The play button
* clientp Client data
* call_data ignored
*/
void
play( Widget w, CLIENTDATA *clientp, XmAnyCallbackStruct *call_data )
{
CDSTATUS status;
CDgetstatus( clientp->cdplayer, &status );
clientp->repeat = 1;
switch (status.state) {
case CD_PLAYING:
case CD_STILL:
case CD_PAUSED:
clientp->user_paused = status.state == CD_PLAYING ? 1 : 0;
clientp->skipped_back = 0;
CDtogglepause( clientp->cdplayer );
break;
case CD_READY:
program_playwarn( clientp );
select_playwarn( clientp );
switch (clientp->play_mode) {
default:
case PLAYMODE_NORMAL:
if (clientp->start_track < status.first)
clientp->start_track = status.first;
if (clientp->start_track > status.last)
clientp->start_track = status.last;
CDplay( clientp->cdplayer, clientp->start_track, 1 );
clientp->start_track = 0;
break;
case PLAYMODE_SHUFFLE:
case PLAYMODE_PROGRAM:
program_play( clientp->cdplayer, clientp->program, 1 );
break;
}
break;
default:
break;
}
}
/*
* void stop( Widget w, CLIENTDATA *clientp, XmAnyCallbackStruct *call_data )
*
* Description:
* Stop the CD
*
* Parameters:
* w The stop button
* clientp Client data
* call_data ignored
*/
void
stop( Widget w, CLIENTDATA *clientp, XmAnyCallbackStruct *call_data )
{
clientp->repeat = 0;
if (clientp->play_mode == PLAYMODE_PROGRAM ||
clientp->play_mode == PLAYMODE_SHUFFLE)
program_stop( clientp->cdplayer, clientp->program );
CDstop( clientp->cdplayer );
}
/*
* void time_display( Widget w, CLIENTDATA *clientp,
* XmAnyCallbackStruct *call_data )
*
* Description:
* Cycle through the various modes we have for displaying the time.
*
* Parameters:
* w The time button
* clientp Client data
* call_data ignored
*/
void
time_display( Widget w, CLIENTDATA *clientp, XmAnyCallbackStruct *call_data )
{
if (clientp->status->state == CD_READY) {
clientp->ready_time_display =
(clientp->ready_time_display + 1) % (READY_LAST + 1);
if (clientp->timeid)
XtRemoveTimeOut( clientp->timeid );
clientp->timeid = XtAddTimeOut( TIMEINTERVAL, timer_revert,
clientp );
}
else
clientp->time_display = (clientp->time_display + 1) %
(TIME_LAST + 1);
draw_display( clientp );
}
/*
* void timer_revert( CLIENTDATA *clientp, XtIntervalId *id )
*
* Description:
* This is used when CD is stopped and user presses the time button.
* The display mode for the time changes until this time out gets called,
* at which point it reverts to the default.
*
* Parameters:
* clientp client data
* id time out id
*/
void
timer_revert( CLIENTDATA *clientp, XtIntervalId *id )
{
clientp->timeid = 0;
clientp->ready_time_display = READY_NORMAL;
draw_display( clientp );
}
/*
* void open_drawer( Widget w, CLIENTDATA *clientp,
* XmAnyCallbackStruct *call_data )
*
* Description:
* Ejects the CD caddy from the CD-ROM drive
*
* Parameters:
* w the open button
* clientp Client data
* call_data ignored
*/
void
open_drawer( Widget w, CLIENTDATA *clientp, XmAnyCallbackStruct *call_data )
{
if (!CDeject(clientp->cdplayer) && oserror() == EBUSY) {
/*
* In 5.1, it is possible that someone could mount an
* efs CD while we are running. CDeject checks for
* this case, and returns failure and sets errno to
* EBUSY to tell us that the CD was mounted. We post
* an error message box and exit when the user presses
* OK.
*/
PostError(clientp->toplevel,
GetResourceString(clientp->toplevel,
"cdMountedErrorMsg",
"CdMountedErrorMsg",
"CD has been mounted"), 1);
}
clientp->start_track = 0;
}
/*
* void quit_arm( Widget w, CLIENTDATA *clientp,
* XmAnyCallbackStruct *call_data )
*
* Description:
* Clear the quit flag, so that if user disarms the quit button without
* activating, we won't exit
*
* Parameters:
* w The quit button
* clientp Client data
* call_data ignored
*/
void
quit_arm( Widget w, CLIENTDATA *clientp, XmAnyCallbackStruct *call_data )
{
clientp->quit_flag = 0;
}
/*
* void quit_activate( Widget w, CLIENTDATA *clientp,
* XmAnyCallbackStruct *call_data )
*
* Description:
* Set the quit flag, so that as soon as the quit button is disarmed,
* we'll exit.
*
* Parameters:
* w the quit button
* clientp client data
* call_data ignored
*/
void
quit_activate( Widget w, CLIENTDATA *clientp, XmAnyCallbackStruct *call_data )
{
clientp->quit_flag = 1;
}
/*
* void quit_disarm( Widget w, CLIENTDATA *clientp,
* XmAnyCallbackStruct *call_data )
*
* Description:
* If the button was activated, we exit.
*
* Parameters:
* w the quit button
* clientp client data
* call_data ignored
*/
void
quit_disarm( Widget w, CLIENTDATA *clientp, XmAnyCallbackStruct *call_data )
{
if (clientp->quit_flag) {
XtCloseDisplay( XtDisplay(w) );
exit( 0 );
}
}
/*
* void update( CLIENTDATA *clientp, XtIntervalId *id )
*
* Description:
* This gets called every UPDATEINTERVAL milliseconds, and it checks
* out the state of the CD-ROM drive, updating the display if necessary
*
* Parameters:
* clientp Client data
* id time out id
*/
void
update( CLIENTDATA *clientp, XtIntervalId *id )
{
static CDSTATUS status;
static CDSTATUS oldstatus;
static int first_time = 1;
/*
* If we're rewinding or fast-forwarding, rew and ff set the
* status stuff, and we don't want to take it from the CD-ROM drive.
*/
if (!clientp->cueing)
CDgetstatus( clientp->cdplayer, &status );
clientp->status = &status;
if (oldstatus.state == CD_NODISC && status.state == CD_READY) {
clientp->data_changed = 1;
time_display( clientp->time, clientp, NULL );
}
if (status.state != oldstatus.state && (status.state == CD_NODISC
|| status.state == CD_ERROR)) {
/*
* Give each of the dialog boxes a chance to clean up
*/
program_nodisc( clientp );
select_nodisc( clientp );
data_nodisc( clientp );
if (clientp->program) {
free_program( clientp->program );
clientp->program = 0;
}
clientp->play_mode = PLAYMODE_NORMAL;
set_playmode_text( PLAYMODE_NORMAL );
}
if (status.state == CD_READY && (clientp->play_mode == PLAYMODE_PROGRAM
|| clientp->play_mode == PLAYMODE_SHUFFLE)
&& program_active( clientp->program )) {
program_next( clientp->cdplayer, clientp->program );
CDgetstatus( clientp->cdplayer, &status );
}
else if (status.state == CD_READY && clientp->repeat &&
clientp->repeat_button && !clientp->cueing) {
if (clientp->play_mode == PLAYMODE_NORMAL)
clientp->start_track = status.first;
play( NULL, clientp, NULL );
CDgetstatus( clientp->cdplayer, &status );
}
if ((status.state != oldstatus.state && !clientp->skipping)
|| first_time) {
set_status_bitmap( status.state );
enable_buttons( status.state );
first_time = 0;
}
/*
* In program mode, we often end up in the first second of the
* track after the one we've just finished playing; we never
* hear it, and this keeps the user from seeing it displayed.
*/
if (clientp->play_mode == PLAYMODE_NORMAL
|| (status.state != CD_PLAYING
&& status.state != CD_PAUSED && status.state != CD_STILL)
|| status.track
== clientp->program->tracks[clientp->program->current]) {
draw_display( clientp );
}
oldstatus = status;
clientp->updateid = XtAddTimeOut( UPDATEINTERVAL, update, clientp );
}
/*
* void enable_buttons( int state )
*
* Description:
* Enable/disable buttons as appropriate for the current state
*
* Parameters:
* state state of cdplayer
*/
void
enable_buttons( int state )
{
Arg wargs[10];
int n;
static int oldstate = -1;
if (oldstate == state)
return;
oldstate = state;
switch (state) {
default:
case CD_NODISC:
case CD_ERROR:
case CD_CDROM:
n = 0;
XtSetArg( wargs[n], XmNsensitive, FALSE ); n++;
XtSetValues( mainwin.play, wargs, n );
XtSetValues( mainwin.stop, wargs, n );
XtSetValues( mainwin.skipf, wargs, n );
XtSetValues( mainwin.skipb, wargs, n );
XtSetValues( mainwin.ff, wargs, n );
XtSetValues( mainwin.rew, wargs, n );
XtSetValues( mainwin.time, wargs, n );
XtSetValues( mainwin.data, wargs, n );
XtSetValues( mainwin.repeat, wargs, n );
XtSetValues( mainwin.program, wargs, n );
XtSetValues( mainwin.shuffle, wargs, n );
XtSetValues( mainwin.clear, wargs, n );
XtSetSensitive(mainwin.open, state == CD_CDROM);
break;
case CD_PLAYING:
n = 0;
XtSetArg( wargs[n], XmNsensitive, TRUE ); n++;
XtSetValues( mainwin.play, wargs, n );
XtSetValues( mainwin.stop, wargs, n );
XtSetValues( mainwin.open, wargs, n );
XtSetValues( mainwin.skipf, wargs, n );
XtSetValues( mainwin.skipb, wargs, n );
XtSetValues( mainwin.ff, wargs, n );
XtSetValues( mainwin.rew, wargs, n );
XtSetValues( mainwin.time, wargs, n );
XtSetValues( mainwin.data, wargs, n );
XtSetValues( mainwin.repeat, wargs, n );
XtSetValues( mainwin.program, wargs, n );
XtSetValues( mainwin.shuffle, wargs, n );
XtSetValues( mainwin.clear, wargs, n );
n = 0;
XtSetArg( wargs[n], XmNsensitive, FALSE ); n++;
XtSetValues( mainwin.program, wargs, n );
XtSetValues( mainwin.shuffle, wargs, n );
XtSetValues( mainwin.clear, wargs, n );
break;
case CD_READY:
n = 0;
XtSetArg( wargs[n], XmNsensitive, TRUE ); n++;
XtSetValues( mainwin.play, wargs, n );
XtSetValues( mainwin.skipf, wargs, n );
XtSetValues( mainwin.skipb, wargs, n );
XtSetValues( mainwin.time, wargs, n );
XtSetValues( mainwin.data, wargs, n );
XtSetValues( mainwin.open, wargs, n );
XtSetValues( mainwin.repeat, wargs, n );
XtSetValues( mainwin.program, wargs, n );
XtSetValues( mainwin.shuffle, wargs, n );
XtSetValues( mainwin.clear, wargs, n );
n = 0;
XtSetArg( wargs[n], XmNsensitive, FALSE ); n++;
XtSetValues( mainwin.stop, wargs, n );
XtSetValues( mainwin.ff, wargs, n );
XtSetValues( mainwin.rew, wargs, n );
break;
case CD_PAUSED:
case CD_STILL:
n = 0;
XtSetArg( wargs[n], XmNsensitive, TRUE ); n++;
XtSetValues( mainwin.play, wargs, n );
XtSetValues( mainwin.skipf, wargs, n );
XtSetValues( mainwin.skipb, wargs, n );
XtSetValues( mainwin.time, wargs, n );
XtSetValues( mainwin.data, wargs, n );
XtSetValues( mainwin.open, wargs, n );
XtSetValues( mainwin.stop, wargs, n );
XtSetValues( mainwin.repeat, wargs, n );
XtSetValues( mainwin.program, wargs, n );
XtSetValues( mainwin.shuffle, wargs, n );
XtSetValues( mainwin.clear, wargs, n );
n = 0;
XtSetArg( wargs[n], XmNsensitive, FALSE ); n++;
XtSetValues( mainwin.ff, wargs, n );
XtSetValues( mainwin.rew, wargs, n );
XtSetValues( mainwin.program, wargs, n );
XtSetValues( mainwin.shuffle, wargs, n );
XtSetValues( mainwin.clear, wargs, n );
break;
}
}
Widget
create_button_label( Widget parent, char *name, Arg *create_args,
int ncreate_args )
{
Widget w;
int n;
Arg wargs[10];
RESOURCESTRUCT *resource_struct;
static XtResource resources[] = {
{
XmNfontList,
XmCFontList,
XmRFontList,
sizeof (XmFontList),
XtOffset(
struct _resource_struct *, font_list ),
XtRString,
"-*-helvetica-medium-r-*-*-9-*"
},
{
XmNlabelString,
XmCLabelString,
XmRXmString,
sizeof (XmString),
XtOffset(
struct _resource_struct *, label_string ),
XtRString,
""
}
};
XGCValues gcv;
XmFontContext context;
XFontStruct *font;
XmStringCharSet charset = XmSTRING_DEFAULT_CHARSET;
Boolean success;
resource_struct = malloc(sizeof (*resource_struct));
memset(resource_struct, 0, sizeof (*resource_struct));
w = XmCreateDrawingArea(parent, name, create_args, ncreate_args);
XtGetApplicationResources(w, resource_struct, resources,
XtNumber(resources), NULL, 0);
success = XmFontListInitFontContext(&context,
resource_struct->font_list);
XmFontListGetNextFont(context, &charset, &font);
XmFontListFreeFontContext(context);
n = 0;
XtSetArg(wargs[n], XtNforeground, &gcv.foreground); n++;
XtSetArg(wargs[n], XtNbackground, &gcv.background); n++;
XtGetValues(w, wargs, n);
gcv.font = font->fid;
resource_struct->gc = XtGetGC(w, GCFont | GCForeground | GCBackground,
&gcv);
XtAddCallback(w, XmNexposeCallback, draw_button_label,
resource_struct);
return (w);
}
#define XMARGIN 4
#define YMARGIN 2
void
draw_button_label( Widget w, RESOURCESTRUCT *r,
XmDrawingAreaCallbackStruct *cb )
{
Arg wargs[10];
int n;
Dimension width, height, x, y, text_width, text_height;
Dimension x1, y1, x2, y2;
n = 0;
XtSetArg( wargs[n], XmNwidth, &width ); n++;
XtSetArg( wargs[n], XmNheight, &height ); n++;
XtGetValues( w, wargs, n );
XmStringExtent( r->font_list, r->label_string, &text_width,
&text_height );
x = (width - text_width) >> 1;
y = (height - text_height) >> 1;
XmStringDrawImage( XtDisplay( w ), cb->window, r->font_list,
r->label_string, r->gc, x, y, width - y, XmALIGNMENT_BEGINNING,
XmSTRING_DIRECTION_L_TO_R, NULL );
x1 = x - XMARGIN;
y1 = height >> 1;
x2 = width >> 2;
y2 = y1;
XDrawLine( XtDisplay( w ), cb->window, r->gc, x1, y1, x2, y2 );
x1 = x2;
y2 = height - YMARGIN;
XDrawLine( XtDisplay( w ), cb->window, r->gc, x1, y1, x2, y2 );
x1 = x + text_width + XMARGIN;
y1 = height >> 1;
x2 = (width >> 1) + (width >> 2);
y2 = y1;
XDrawLine( XtDisplay( w ), cb->window, r->gc, x1, y1, x2, y2 );
x1 = x2;
y2 = height - YMARGIN;
XDrawLine( XtDisplay( w ), cb->window, r->gc, x1, y1, x2, y2 );
}
void
usage( void )
{
fprintf( stderr, "cdplayer: usage: cdplayer [-dev <device>]\n" );
exit( 1 );
}
static void
terminate( void )
{
if (cdplayer) {
CDclose( cdplayer );
}
}
/*
* void
* okcb(Widget w, int fatal, XmAnyCallbackStruct *cb)
*
* Description:
* OK callback function for error message boxes. If fatal is
* non-zero, we exit, otherwise we just unmanage ourselves.
*
* Parameters:
* w Error message box
* fatal Is this a fatal error message?
* cb callback info
*/
/*ARGSUSED*/
static void
okcb(Widget w, int fatal, XmAnyCallbackStruct *cb)
{
if (fatal) {
exit(1);
} else {
XtUnmanageChild(w);
}
}
/*
* static void
* ManageErrorBox(Widget w, void *idontcare, XEvent *event)
*
* Description:
* Manage the error dialog box. This is an event handler for
* the VisibilityNotify event of the parent of the error dialog
* box.
*
* Parameters:
* w parent of error dialog box
* errorBox client data; the widget to manage
* event VisibilityNotify event
* cont continuation flag
*/
/*ARGSUSED*/
static void
ManageErrorBox(Widget w, XtPointer errorBox, XEvent *event,
Boolean *cont)
{
XtManageChild((Widget)errorBox);
XtRemoveEventHandler(w, VisibilityChangeMask, False,
ManageErrorBox, errorBox);
}
/*
* XmString
* CreateMotifString(char *str)
*
* Description: A utility function to create a
* big ugly bloatif compound string
* from a (possibly multi-line) string.
*
* Shamelessly stolen from printstatus. Thanks Dave!
*
* Returns: A compound string.
*
* WARNINGS: I don't free or reuse the returned string, so don't forget to
* XmStringFree the returned string when you're done with it.
*
* CAVEATS: Empty lines are ignored. Put a space in (" \n") for a
* blank line.
*
*/
static XmString
CreateMotifString(char *str)
{
XmString mstr, mnewline, mtempstr, mnextstr;
register char *strptr, *tokptr, *dupstr;
register int strnum;
mnewline = XmStringSeparatorCreate();
/*
* Parse the input string
*/
/*
* Don't pass str itself to strtok, which writes NULLs into. Make
* a copy of the input string, which is freed below.
*/
strptr = tokptr = dupstr = strdup(str);
strnum = 0;
mstr = NULL;
while((strptr = strtok(tokptr, "\n")) != NULL) {
tokptr = NULL; /* tell strtok to continue where we left off */
/* next time */
/* Two cases: first line, and subsequent lines.
* Don't append mnewline after every line:
* for cleanliness, append it only at begin of subsequent lines.
*/
if (!strnum++) {
mstr = XmStringCreateSimple(strptr);
} else {
/* Append new line, being careful not to lose storage */
mtempstr = mstr;
mstr = XmStringConcat(mstr, mnewline);
XmStringFree(mtempstr);
/* Now append the new string, being careful not to lose storage */
mtempstr = mstr;
mnextstr = XmStringCreateSimple(strptr);
mstr = XmStringConcat(mstr, mnextstr);
XmStringFree(mtempstr);
XmStringFree(mnextstr);
}
}
XmStringFree(mnewline);
free(dupstr);
if (!mstr) {
mstr = XmStringCreateSimple("");
}
return mstr;
}
/*
* void
* PostError(Widget parent, char *errmsg, int fatal)
*
* Description:
* Put up an error message box, containing the text from errmsg
*
* Parameters:
* parent widget to be parent of message box if it needs to be
* created.
* errmsg the error message to display
* fatal whether to exit when OK button is pressed
*/
static void
PostError(Widget parent, char *errmsg, int fatal)
{
XmString xstr;
int n;
Arg wargs[10];
static Widget errorBox;
if (!errorBox) {
n = 0;
XtSetArg(wargs[n], XmNdialogStyle, XmDIALOG_APPLICATION_MODAL); n++;
errorBox = XmCreateErrorDialog(parent, "errorBox", wargs, n);
XtUnmanageChild(XmMessageBoxGetChild(errorBox,
XmDIALOG_CANCEL_BUTTON));
XtUnmanageChild(XmMessageBoxGetChild(errorBox, XmDIALOG_HELP_BUTTON));
}
XtRemoveAllCallbacks(errorBox, XmNokCallback);
XtAddCallback(errorBox, XmNokCallback, (XtCallbackProc)okcb,
(XtPointer)fatal);
xstr = CreateMotifString(errmsg);
n = 0;
XtSetArg(wargs[n], XmNmessageString, xstr); n++;
XtSetValues(errorBox, wargs, n);
XmStringFree(xstr);
/*
* Defer managing the message box until later if necessary so that
* it will come up in a better place
*/
if (XtIsRealized(parent)) {
/*
* toplevel widget is already up, we can put up the dialog no
* problem.
*/
XtManageChild(errorBox);
} else {
/*
* toplevel widget isn't managed. When the toplevel widget
* gets managed, its VisibilityNotify event list will get
* called, and the error dialog will come up then.
*/
XtAddEventHandler(parent, VisibilityChangeMask, False,
ManageErrorBox, (XtPointer)errorBox);
}
}
/*
* char *
* GetResourceString(Widget w, char *name, char *class, char *def)
*
* Description:
* Get a resource string for a widget.
*
* Parameters:
* w Widget to get resource for
* name resource name
* class resource class
* def default value
*
* Returns:
* String value of the resource. Note that if def is non-NULL,
* this will always be valid (in other words, if what you pass in
* as def is guaranteed to be valid, you don't have to check the
* return value of this function)
*/
static char *
GetResourceString(Widget w, char *name, char *class, char *def)
{
XtResource res;
char *str;
res.resource_name = name;
res.resource_class = class;
res.resource_type = XtRString;
res.resource_size = sizeof(char *);
res.resource_offset = (unsigned int)&str;
res.default_type = XtRString;
res.default_addr = def;
XtGetApplicationResources(w, NULL, &res, 1, NULL, 0);
return str ? str : def;
}
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