I use this little tool to test downloaded midi files, and to delete them right away if they aren't worth to be kept.
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graphics ! graphics clear ! draw color 0,0,0
do ! del=0
f$=file_select$("Midi files","mid",100,100,400,700,.8,.9,.6)
if f$="" then break else muziek(f$)
if del then file f$ delete
until forever
end
' paged filesector
' list files with extension ext$ from current directory
' background remains unchanged after fileselector closes
' title$ = title of the fileselector window
' ext$ = file extension filter.
' If ext$="" then all files will be displayed in the list
'
def file_select$(title$,ext$,xs,ys,ww,hh,R,G,B)
name$="midi_"
page name$ set ! page name$ frame xs,ys,ww,hh
page name$ color R,G,B,0
fill color R,G,B ! set buttons custom
button name$&"win" text "" at 0,0 size ww,hh ! set buttons default
button name$&"title" text title$ at 1,1 size ww-2,27
button name$&"cancel" text " Stop " at 10,hh-50 size 80,40
button name$&"del" text "Delete" at ww/2-40,hh-50 size 80,40
button name$&"ok" text " Play " at ww-90,hh-50 size 80,40
again:
dir "" list files fil$,nfiles
dim ff$(nfiles) ! nf=0
for i=0 to nfiles-1 ! f$=fil$(i) ! pos=instr(f$,".")
if pos>-1 then
e$=right$(f$,len(f$)-pos-1)
if e$=ext$ then ! nf+=1 ! ff$(nf-1)=f$ ! end if
end if
next i
if nf then
dim fil$(nf) ! for i=0 to nf-1 ! fil$(i)=ff$(i) ! next i
end if
set lists custom ! fill color R,G,B
list name$ text fil$ at 3,33 size ww-7,hh-96
page name$ show
nr=-1 ! fsel$=""
do slowdown
if bp(name$&"cancel") then ! fsel$="" ! break ! end if
nr=list_selected(name$) ! if nr=-1 then continue
if bp(name$&"ok") then ! fsel$=fil$(nr) ! break ! end if
until forever
'page "" set
return fsel$
end def
def muziek(f$)
playing=0
do
if not playing then ! notes load f$ ! notes play ! playing=1 ! end if
if bp("midi_del") then ! .del=1 ! break ! end if
until bp("midi_cancel") or notes_time()>=notes_length()
notes stop
end def
def bp(a$) = button_pressed(a$)
