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/*
tkmixer.C, source code of tkmixer
Copyright (C) 1996 Radek Pospisil ( rpos1368@ss1000.ms.mff.cuni.cz )
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <tcl.h>
#include <tk.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <linux/soundcard.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
extern char *mix_init, *mix_cw;
// misc functions & macros
void err( int e, char *t ) {
if ( e ) {
if ( t ) fprintf( stderr, "%s\n", t );
perror( "tkmixer" );
exit( 1 );
}
}
#define IOCTL( req, val ) {\
int ret = ioctl( hmix, (req), (val) );\
if ( ret < 0 ) {\
fprintf( stderr,"tkmixer: ioctl error on device \"%s\"\nreason: %s\n",\
mixdevname, strerror( errno ) );\
exit( 1 );\
}\
}
#define TEXEC( what, errstr ) if ( (what) != TCL_OK ) {\
fprintf( stderr, errstr": %s\n", interp->result );\
exit( 1 );\
};
#define TEXEC2( what, errstr ) (what); if ( *interp->result != 0 ) {\
fprintf( stderr, errstr": %s\n", interp->result );\
exit( 1 );\
};
#define TKERR( e, t ) { if ( e ) {\
char p[200];\
sprintf( p, "after idle { .dialog1.msg configure -justify center }; tk_dialog .dialog1 {tkmixer error} {tkmixer error\n"t"\n%s} error 0 OK\n", strerror( errno ) );\
TEXEC( Tcl_Eval( interp, p ), "restore error" );\
return;\
}}
/*
* class MixDev - mixer device - process changes from user and set mixer device
* to reflect it and so on
*/
class MixDev {
private:
typedef enum {
I_BASE = 0,
I_PVOL = 1, I_VVOL = 2,
I_PBAL = 3, I_VBAL = 4,
I_PREC = 5, I_VREC = 6,
I_PMUTE = 7, I_VMUTE = 8,
} VARS;
char **names, *mixdevname;
Tcl_Interp *interp;
int stereo, rec;
int left, right, recon, muteon;
int hmix, bit;
public:
MixDev( Tcl_Interp *_interp, char *name, int _hmix, char *mdn, int _bit,
int _str, int _rec, int _vol, int _recon, int _muteon ) {
hmix = _hmix;
bit = _bit;
mixdevname = mdn;
interp = _interp;
stereo = (_str)?1:0;
rec = (_rec)?1:0;
char p[200];
sprintf( p, "create_widget %s %s %p %d %d", ".", name, this, stereo, rec );
TEXEC( Tcl_Eval( interp, p ), "Create widget failed," );
int argc;
TEXEC( Tcl_SplitList( interp, interp->result, &argc, &names ), "Create widget failed" );
setlrr( _vol, _recon );
setmute( _muteon );
}
~MixDev() {}
char *getbase() {
return names[I_BASE];
}
void hide() {
char p[200];
sprintf( p, "pack forget %s", names[I_BASE] );
TEXEC( Tcl_Eval( interp, p ), "hide widget failed," );
}
void show() {
char p[200];
sprintf( p, "pack %s -side left -fill y -expand yes", names[I_BASE] );
TEXEC( Tcl_Eval( interp, p ), "show widget failed," );
}
private:
int update() {
int vol, bal;
char *val;
val = Tcl_GetVar( interp, names[I_VVOL], TCL_GLOBAL_ONLY );
TEXEC( Tcl_GetInt( interp, val, &vol ), "Can't convert volume" );
val = Tcl_GetVar( interp, names[I_VBAL], TCL_GLOBAL_ONLY );
TEXEC( Tcl_GetInt( interp, val, &bal ), "Can't convert balance" );
val = Tcl_GetVar( interp, names[I_VREC], TCL_GLOBAL_ONLY );
TEXEC( Tcl_GetBoolean( interp, val, &recon ), "Can't convert record" );
val = Tcl_GetVar( interp, names[I_VMUTE], TCL_GLOBAL_ONLY );
TEXEC( Tcl_GetBoolean( interp, val, &muteon ), "Can't convert mute" );
if ( bal < 0 ) {
left = vol;
right = vol+bal*vol/5;
} else {
right = vol;
left = vol-bal*vol/5;
}
set( 0 );
return TCL_OK;
}
public:
void set( int setgui ) {
// set GUI
char p[200];
if ( setgui ) {
sprintf( p, "%s set %d", names[I_PVOL], getvol() );
TEXEC( Tcl_Eval( interp, p ), "set failed" );
sprintf( p, "%s set %d", names[I_PBAL], getbal() );
TEXEC( Tcl_Eval( interp, p ), "set failed" );
sprintf( p, "if { %d } { %s select } else { %s deselect }", getrec(), names[I_PREC], names[I_PREC] );
TEXEC( Tcl_Eval( interp, p ), "set failed" );
sprintf( p, "if { %d } { %s select } else { %s deselect }", getmute(), names[I_PMUTE], names[I_PMUTE] );
TEXEC( Tcl_Eval( interp, p ), "set failed" );
}
char const *mutev = (muteon)?"disabled":"normal";
sprintf( p, "%s configure -state %s; %s configure -state %s; %s configure -state %s",
names[I_PVOL], mutev, names[I_PBAL], mutev, names[I_PREC], mutev );
TEXEC( Tcl_Eval( interp, p ), "mute failed" );
if ( !setgui ) {
// set mixer device
int pm = getlr();
IOCTL( MIXER_WRITE( bit ), &pm );
IOCTL( SOUND_MIXER_READ_RECSRC, &pm );
pm = (pm&~(1<<bit))|((recon)?(1<<bit):0);
IOCTL( SOUND_MIXER_WRITE_RECSRC, &pm );
}
}
void setmute( int m ) {
muteon = (m)?1:0;
set( 0 );
set( 1 );
}
void setlrr( int v, int r, int tot = 0 ) {
r = (r)?1:0;
if ( !tot && getlr() == v && recon == r ) return;
left = v>>8;
right = v&0xff;
recon = r;
if ( tot ) set( 0 );
set( 1 );
}
int getvol() {
return left >? right;
}
int getbal() {
int l = left, r = right;
int sign = (l<r)?-1:1, bal;
if ( sign < 0 ) {
bal = r; r = l; l = bal;
}
if ( l == 0 ) return 0;
bal = 5*(l-r)/l;
return sign*bal;
}
int getlr( int real = 0) {
return (muteon && !real )?0:(right<<8)|left;
}
int getrec() {
return recon;
}
int getmute() {
return muteon;
}
static int MD_change( ClientData, Tcl_Interp *interp, int argc, char **argv ) {
MixDev *p;
if ( argc != 2 && argc != 3 ) {
Tcl_SetResult( interp, "wrong # args", TCL_STATIC );
return TCL_ERROR;
}
sscanf( argv[1], "%p", &p );
if ( p == NULL ) {
fprintf( stderr,"Unknown Mixdev\n" );
exit( 1 );
}
return p->update();
}
};
/*
* class Mixer cares about MixDev classes
*/
class Mixer {
private:
static const int view_max = (1<<SOUND_MIXER_NRDEVICES)-1;
static const int view_min = SOUND_MASK_VOLUME;
int view_user, view;
int fullrestore;
static Mixer *ptr;
static Tcl_AsyncHandler tah;
static char *labels[];
Tcl_Interp *interp;
char *mixdevname;
char *conffile;
int hmix, mixdev, mixstdev, mixrecdev;
MixDev *md[SOUND_MIXER_NRDEVICES];
public:
Mixer( Tcl_Interp *_interp, char *_mixdevname, int r ) {
if ( ptr != NULL ) {
fprintf( stderr, "Another instance of Mixer is not allowed\n" );
exit( 1 );
}
interp = _interp;
// init view
view_user = view_max;
view = 0;
fullrestore = 0;
// configuration file
#define CFNAME "/.tkmixerconf"
char *cf = getenv( "HOME" );
err( cf==NULL, "HOME is not set" );
conffile = new char[strlen( cf )+strlen( CFNAME )+1];
strcat( strcpy( conffile, cf ), CFNAME );
#undef CFNAME
// open mixer device
mixdevname = strdup( _mixdevname );
hmix = open( mixdevname, O_RDWR );
err( hmix < 0, "error opening mixer device" );
IOCTL( SOUND_MIXER_READ_DEVMASK, &mixdev );
IOCTL( SOUND_MIXER_READ_STEREODEVS, &mixstdev );
IOCTL( SOUND_MIXER_READ_RECMASK, &mixrecdev );
if ( mixdev == 0 ) {
fprintf( stderr, "tkmixer: there are no devices on mixer device \"%s\"\n", mixdevname );
exit( 1 );
}
int recon;
IOCTL( SOUND_MIXER_READ_RECSRC, &recon );
for ( int i = 0; ( i < SOUND_MIXER_NRDEVICES ); i++ ) {
if ( mixdev & ( 1<<i ) ) {
int v;
IOCTL( MIXER_READ( i ), &v );
md[i] = new MixDev( interp, labels[i], hmix, mixdevname, i,
mixstdev&(1<<i), mixrecdev&(1<<i),
v, recon&(1<<i), 0 );
} else
md[i] = NULL;
}
review( view_user );
if ( r ) restore();
// 'unlock' update processing
ptr = this;
}
~Mixer() {
close( hmix );
delete conffile;
for ( int i = 0; ( i < SOUND_MIXER_NRDEVICES ); i++ ) {
if ( md[i] ) delete md[i];
}
}
void review( int nview ) {
if ( nview == view ) return;
for ( int i = 0; ( i < SOUND_MIXER_NRDEVICES ); i++ ) {
if ( md[i] ) md[i]->hide();
}
for ( int i = 0; ( i < SOUND_MIXER_NRDEVICES ); i++ ) {
if ( md[i] && nview&(1<<i) ) md[i]->show();
}
view = nview;
}
void mixupdate() {
int r;
IOCTL( SOUND_MIXER_READ_RECSRC, &r );
for ( int i = 0; ( i < SOUND_MIXER_NRDEVICES ); i++ ) {
int v;
if ( md[i] ) {
IOCTL( MIXER_READ( i ), &v );
md[i]->setlrr( v, (r&(1<<i))?1:0 );
}
}
}
void minimal() {
review( view_min );
}
void maximal() {
review( view_max );
}
void user() {
review( view_user );
}
void save() {
FILE *f = fopen( conffile, "wt" );
TKERR( f == NULL, "can't save configuration" );
TKERR( 0 == fprintf( f, "%#04x %#04x %d\n", view, view_user, fullrestore ),
"error saving configuration" );
for ( int i = 0; ( i < SOUND_MIXER_NRDEVICES ); i++ ) {
if ( md[i] )
TKERR( 0 == fprintf( f, "%#04x %d %d\n", md[i]->getlr( 1 ), md[i]->getrec(), md[i]->getmute() ),
"error saving configuration" )
else
TKERR( 0 == fprintf( f, "%#04x %d %d\n", 0, 0, 0 ),
"error saving configuration" );
}
fclose( f );
}
typedef struct {
int vol, rec, mute;
} MixDevStore;
void restore() {
FILE *f = fopen( conffile, "rt" );
TKERR( f == NULL, "can't load configuration" );
int _view, _view_user, _fullrestore;
MixDevStore *mds = new MixDevStore[ SOUND_MIXER_NRDEVICES ];
TKERR( 3 != fscanf( f, "%x %x %d", &_view, &_view_user, &_fullrestore ),
"configuration file corrupted" );
for ( int i = 0; ( i < SOUND_MIXER_NRDEVICES ); i++ )
TKERR( 3 != fscanf( f, "%x %x %d", &(mds[i].vol), &(mds[i].rec), &(mds[i].mute) ),
"configuration file corrupted" );
if ( (fullrestore=_fullrestore) != 0 ) {
for ( int i = 0; ( i < SOUND_MIXER_NRDEVICES ); i++ )
if ( md[i] ) {
md[i]->setmute( 0 );
md[i]->setlrr( mds[i].vol, mds[i].rec, 1 );
md[i]->setmute( mds[i].mute );
}
}
view_user = _view_user;
review( _view );
delete mds;
fclose( f );
}
void configure() {
static char *nn[] = SOUND_DEVICE_NAMES;
char p[4000], *pp = p;
pp += sprintf( pp, "after idle { grab .config }\n" );
pp += sprintf( pp, "set tc [toplevel .config]\n" );
pp += sprintf( pp, "wm resizable $tc 0 0\n" );
int cnt = 0;
for ( int j = 0; ( j < SOUND_MIXER_NRDEVICES ); j++ )
if ( md[j] ) cnt++;
pp += sprintf( pp, "\
set fm [frame $tc.fm]\n\
pack $fm -fill both -side left\n\
label $fm.lbl -text \"What you want to see?\"\n\
pack $fm.lbl -fill both -side top\n" );
pp += sprintf( pp, "checkbutton $fm.rest -text \"keep volume setting\" -indicatoron 0 -selectcolor \"\"\n" );
pp += sprintf( pp, "$fm.rest %s\n", ((fullrestore)?"select":"deselect") );
pp += sprintf( pp, "pack $fm.rest -fill both -side bottom\n" );
pp += sprintf( pp, "set fms [frame $fm.fms]\n" );
pp += sprintf( pp, "pack $fms -fill both -side top\n" );
pp += sprintf( pp, "set fml [frame $fms.fml]\n" );
pp += sprintf( pp, "pack $fml -fill both -side left\n" );
int j = 0, i = 0;
for (; ( i <= cnt/2 ); j++ ) {
if ( md[j] ) {
i++;
pp += sprintf( pp, "checkbutton $fml.%s -width 9 -text %s -indicatoron 0 -selectcolor \"\"\n",
nn[j], nn[j] );
pp += sprintf( pp, "$fml.%s %s\n",
nn[j], ((view_user&(1<<j))?"select":"deselect") );
pp += sprintf( pp, "pack $fml.%s -fill x -side top\n", nn[j] );
}
}
pp += sprintf( pp, "set fmr [frame $fms.fmr]\n" );
pp += sprintf( pp, "pack $fmr -fill both -side left\n" );
for (; ( j < SOUND_MIXER_NRDEVICES ); j++ ) {
if ( md[j] ) {
pp += sprintf( pp, "checkbutton $fmr.%s -width 9 -text %s -indicatoron 0 -selectcolor \"\"\n",
nn[j], nn[j] );
pp += sprintf( pp, "$fmr.%s %s\n",
nn[j], ((view_user&(1<<j))?"select":"deselect") );
pp += sprintf( pp, "pack $fmr.%s -fill x -side top\n", nn[j] );
}
}
pp += sprintf( pp, "set fm2 [frame $tc.fm2]\n" );
pp += sprintf( pp, "pack $fm2 -side bottom -fill both\n" );
pp += sprintf( pp, "button $fm2.btok -text ok -command { MD_confack }\n" );
pp += sprintf( pp, "pack $fm2.btok -fill x\n" );
pp += sprintf( pp, "button $fm2.btcn -text cancel -command { destroy $tc }\n" );
pp += sprintf( pp, "pack $fm2.btcn -fill x\n" );
TEXEC( Tcl_Eval( interp, p ), "configure error" );
}
void confack() {
static char *nn[] = SOUND_DEVICE_NAMES;
char p[1000], *v;
int x;
view_user = 0;
for ( int i = 0 ; ( i < SOUND_MIXER_NRDEVICES ); i++ ) {
if ( md[i] ) {
v = Tcl_GetVar( interp, nn[i], TCL_GLOBAL_ONLY );
TEXEC( Tcl_GetBoolean( interp, v, &x ), "config error" );
view_user |= (x)?(1<<i):0;
}
}
v = Tcl_GetVar( interp, "rest", TCL_GLOBAL_ONLY );
TEXEC( Tcl_GetBoolean( interp, v, &fullrestore ), "config error" );
user();
sprintf( p, "destroy .config\n" );
TEXEC( Tcl_Eval( interp, p ), "configure error" );
}
#define DEFCMD( name ) static \
int MD_##name( ClientData, Tcl_Interp *, int, char ** ) {\
if ( ptr != NULL ) ptr->name();\
return TCL_OK; }
DEFCMD( mixupdate );
DEFCMD( minimal );
DEFCMD( maximal );
DEFCMD( user );
DEFCMD( save );
DEFCMD( restore );
DEFCMD( configure );
DEFCMD( confack );
#undef DEFCMD
};
Mixer *Mixer::ptr = NULL;
char *Mixer::labels[] = SOUND_DEVICE_LABELS;
int restor = 0;
char *mixdev = "/dev/mixer";
char **pargv;
Tk_ArgvInfo argTable[] = {
{ "-r", TK_ARGV_CONSTANT, (char*)1, (char*)&restor,
"restore setting when starting mixer" },
{ "-m", TK_ARGV_STRING, NULL, (char*)&mixdev,
"Name of mixer device ( def /dev/mixer )"},
{(char *) NULL, TK_ARGV_END, (char *) NULL, (char *) NULL,
(char *) NULL }
};
/*
* My Tcl/Tk application init
*/
int MyAppInit( Tcl_Interp *interp ) {
// parse command line arguments
int argc = 0;
for (; ( pargv[argc] ); argc++ );
TEXEC( Tk_ParseArgv(interp, Tk_MainWindow( interp ), &argc, pargv, argTable, 0), "" );
// init tcl/tk
TEXEC( Tcl_Init( interp ), "Tcl_Init failed" );
TEXEC( Tk_Init( interp ), "Tk_Init failed" );
// create commands
TEXEC2( Tcl_CreateCommand( interp, "MD_change", MixDev::MD_change, NULL, NULL ), "Create command failed" );
TEXEC2( Tcl_CreateCommand( interp, "MD_mixupdate", Mixer::MD_mixupdate, NULL, NULL ), "Create command failed" );
TEXEC2( Tcl_CreateCommand( interp, "MD_minimal", Mixer::MD_minimal, NULL, NULL ), "Create command failed" );
TEXEC2( Tcl_CreateCommand( interp, "MD_maximal", Mixer::MD_maximal, NULL, NULL ), "Create command failed" );
TEXEC2( Tcl_CreateCommand( interp, "MD_user", Mixer::MD_user, NULL, NULL ), "Create command failed" );
TEXEC2( Tcl_CreateCommand( interp, "MD_save", Mixer::MD_save, NULL, NULL ), "Create command failed" );
TEXEC2( Tcl_CreateCommand( interp, "MD_restore", Mixer::MD_restore, NULL, NULL ), "Create command failed" );
TEXEC2( Tcl_CreateCommand( interp, "MD_configure", Mixer::MD_configure, NULL, NULL ), "Create command failed" );
TEXEC2( Tcl_CreateCommand( interp, "MD_confack", Mixer::MD_confack, NULL, NULL ), "Create command failed" );
// init GUI
TEXEC( Tcl_Eval( interp, mix_init ), "Init failed" );
new Mixer( interp, mixdev, restor );
// run tk engine
Tk_MainLoop();
// for good feeling...
TEXEC( Tcl_Eval( interp, "exit 0" ), "exit failed" );
return TCL_OK;
}
int main( int argc, char **argv ) {
pargv = argv;
Tk_Main( argc, argv, MyAppInit );
return 0;
}
/*
* Init script
*/
char *mix_init = "
#
# mixer update
#
proc mix_update {} {
MD_mixupdate
after 200 mix_update
}
#
# widget proc
#
proc create_widget { wbase name ptr stereo rec } {
if { $wbase == \".\" } { set wbase \"\" }
set base [ frame $wbase.frame_$name ]
set recvar \"record_$name\"
set mutevar \"mute_$name\"
set volvar \"vol_$name\"
set balvar \"bal_$name\"
# create mute button
set mute [ checkbutton $base.mute \
-indicatoron 0 \
-selectcolor \"\" \
-text $name \
-variable $mutevar \
-width 5 \
-disabledforeground \"\" \
-command \"MD_change $ptr\" ]
# create scale for volume adjusting
set volume [ scale $base.volume \
-bigincrement 0.0 \
-from 100 \
-orient v \
-resolution 1.0 \
-showvalue 0 \
-sliderlength 20 \
-tickinterval 0.0 \
-to 0 \
-width 10 \
-relief groove \
-length 125 \
-variable $volvar \
-command \"MD_change $ptr\" ]
# create scale for balance
set balance [ scale $base.balance \
-bigincrement 0.0 \
-from -5.0 \
-length 25 \
-orient h \
-resolution 1.0 \
-showvalue 0 \
-sliderlength 10 \
-tickinterval 0.0 \
-to 5.0 \
-width 10 \
-relief groove \
-variable $balvar \
-command \"MD_change $ptr\" ]
# create rec button
set record [ checkbutton $base.rec \
-selectimage recon \
-image recoff \
-indicatoron 0 \
-selectcolor \"\" \
-variable $recvar \
-borderwidth 1 \
-height 9 \
-width 15 \
-disabledforeground \"\" \
-command \"MD_change $ptr\" ]
# bind
bind $balance <ButtonRelease-2> \"$balance set 0\"
bind $balance <ButtonPress-2> \"$balance set 0\"
bind $balance <KeyPress-c> \"$balance set 0\"
#pack $base -side left -fill both -expand yes
pack $mute -fill both
pack $volume
upvar #0 bwidth bwidth bheight bheight
if { $stereo } { pack $balance -fill both }
if { $rec } { pack $record -side bottom -fill both }
return [list $base $volume $volvar $balance $balvar $record $recvar $mute $mutevar ]
}
#
#init proc
#
uplevel #0 {
tk appname mixer
wm title . \"mixer\"
wm resizable . 0 0
# create images for rec button
set recon \"
#define recon_width 13
#define recon_height 7
static unsigned char recon_bits[] = {
0x00, 0x00, 0xe7, 0x0c, 0x29, 0x02, 0x67, 0x02, 0x25, 0x02, 0xe9, 0x0c,
0x00, 0x00};
\"
set recoff \"
#define recoff_width 13
#define recoff_height 7
static unsigned char recoff_bits[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00};
\"
image create bitmap recon -data $recon -maskdata $recon
image create bitmap recoff -data $recoff -maskdata $recoff
# create menu
set mpop [ menu .mpop -tearoff 0 ]
$mpop add command -label \"Save setting\" -underline 0 -accelerator C-s -command { MD_save }
$mpop add command -label \"Restore setting\" -underline 0 -accelerator C-r -command { MD_restore }
$mpop add separator
$mpop add command -label \"Minimal view\" -underline 2 -accelerator C-n -command { MD_minimal }
$mpop add command -label \"Maximal view\" -underline 2 -accelerator C-x -command { MD_maximal }
$mpop add command -label \"User view\" -underline 0 -accelerator C-u -command { MD_user }
$mpop add separator
$mpop add command -label \"Configure\" -underline 0 -accelerator C-c -command { MD_configure }
$mpop add separator
$mpop add command -label \"Quit\" -underline 0 -accelerator C-q -command { exit 0 }
$mpop add separator
$mpop add command -label \"Help\" -underline 0 -accelerator C-h -command { help }
bind . <Control-s> { $mpop invoke Save* }
bind . <Control-r> { $mpop invoke Rest* }
bind . <Control-n> { $mpop invoke Min* }
bind . <Control-x> { $mpop invoke Max* }
bind . <Control-u> { $mpop invoke User*}
bind . <Control-c> { $mpop invoke Conf* }
bind . <Control-q> { $mpop invoke Quit* }
bind . <Control-h> { $mpop invoke Help* }
# bind menu popup events
bind . <Button-3> { tk_popup $mpop %X %Y }
bind . <Control-KeyPress-space> { tk_popup $mpop %X %Y }
# run mixer update
after 100 mix_update
}
proc help {} {
if { [catch { toplevel .help }] } { raise .help; return }
set fm .help
button .help.btok -text ok -command { destroy .help }
set bf [ .help.btok cget -font ]
text $fm.text -wrap word -yscrollcommand \"$fm.sb set\" \
-font $bf
scrollbar $fm.sb -command \"$fm.text yview\"
$fm.text insert 0.0 {
tkmixer v1.0
(c) 1996 Radek Pospisil
email:rpos1368@ss1000.ms.mff.cuni.cz
} t1
$fm.text insert end {
features:
} t2
$fm.text insert end {
- volume ( 1-100 ) & balance ( -5..5 ) setting
- mute control
- record source control
- configureable view
- save/restore view setting and mixer device setting ( volume, balance, mute & record source )
- full mouse and/or keyboard control ( yes, you can use tkmixer without mouse )
}
$fm.text insert end {
mouse binding:
} t3
$fm.text insert end {
- left button control mute and record checkbuttons and volume and balance scales
- middle button reset balance to 0
- right button wake up popup menu
}
$fm.text insert end {
keys binding:
} t4
$fm.text insert end {
- (Shift+)TAB cycle throw all widgets
- SPACE or Enter on/off mute and record checkbutton
- cursor arrows control scales of volume and balance
- C on balance reset balance to 0 ( center )
- Ctrl+SPACE wake up popup menu
- Ctrl+s save setting
- Ctrl+r restore setting
- Ctrl+n minmum view
- Ctrl+x maximum view
- Ctrl+u user view
- Ctrl+c run configure dialog
- Ctrl+h show help window
- Ctrl+q QUIT tkmixer
}
foreach t { t2 t3 t4 } {
$fm.text tag configure $t -underline 1 -font -*-Courier-Bold-O-Normal--*-120-*-*-*-*-*-*
}
$fm.text tag configure t1 -justify center
$fm.text configure -state disabled
pack .help.btok -side bottom -fill x
pack $fm.sb -side right -fill y
pack $fm.text -side left -fill both -expand y
}
";
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