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Small hack to use it as a launcher (with tab complete)

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This commit is contained in:
QC 2014-01-13 21:35:43 +01:00
parent 67dea02a6a
commit e134029af6
3 changed files with 141 additions and 66 deletions
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2
Makefile
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@ -1,4 +1,4 @@
CFLAGS?=-Wall -Wextra -Os
CFLAGS?=-Wall -Wextra -Os -g3
PREFIX?=$(DESTDIR)/usr
BINDIR?=$(PREFIX)/bin
MANDIR?=$(PREFIX)/share/man/man1

64
simpleswitcher.c
View file

@ -745,6 +745,7 @@ void menu_draw( textbox *text, textbox **boxes, int max_lines, int selected, cha
i == selected ? config_menu_hlbg: config_menu_bg );
textbox_text( boxes[i], filtered[i] );
}
textbox_draw( boxes[i] );
}
}
@ -989,6 +990,56 @@ int menu( char **lines, char **input, char *prompt, int selected, Time *time )
#define FORK 1
#define NOFORK 2
static char ** get_apps ( )
{
int fd[2];
pid_t childpid;
int retp = pipe( fd );
if ( retp != 0 ) {
perror( "Pipe" );
exit( 1 );
}
if ( ( childpid = fork() ) == -1 ) {
perror( "fork" );
exit( 1 );
}
if ( childpid == 0 ) {
close( fd[0] );
close( 1 );
/* Child process closes up output side of pipe */
dup2( fd[1],1 );
char command[256];
snprintf( command,256, "compgen -c" );
int retv = execlp ( "bash", "bash", "-c" , command, NULL );
close( fd[1] );
exit( retv );
} else {
/* Parent process closes up input side of pipe */
close( fd[1] );
}
char **retv = NULL;
int index = 0;
char buffer[1024];
FILE *file = fdopen( fd[0],"r" );
while ( fgets( buffer, 1024, file ) != NULL ) {
retv = realloc( retv, ( index+2 )*sizeof( char* ) );
retv[index] = strdup( buffer );
retv[index][strlen( buffer )-1] = '\0';
retv[index+1] = NULL;
index++;
}
close( fd[0] );
return retv;
}
void run_switcher( int fmode )
{
// TODO: this whole function is messy. build a nicer solution
@ -1092,7 +1143,18 @@ void run_switcher( int fmode )
// act as a launcher
if ( input ) {
exec_cmd( input );
char **cmd_list = get_apps( );
int n = menu( cmd_list, &input, "$ ", 0, &time );
if ( n >=0 && cmd_list[n] != NULL ) {
exec_cmd( cmd_list[n] );
}
for ( i=0; cmd_list[i] != NULL; i++ ) {
free( cmd_list[i] );
}
free( cmd_list );
}
for ( i = 0; i < lines; i++ )

15
textbox.c
View file

@ -90,7 +90,18 @@ textbox* textbox_create( Window parent, unsigned long flags, short x, short y, s
// set an Xft font by name
void textbox_font( textbox *tb, char *font, char *fg, char *bg )
{
if ( tb->font ) XftFontClose( display, tb->font );
if ( tb->font ) {
XftColorFree ( display,
DefaultVisual( display, DefaultScreen( display ) ),
DefaultColormap( display, DefaultScreen( display ) ),
&tb->color_fg );
XftColorFree ( display,
DefaultVisual( display, DefaultScreen( display ) ),
DefaultColormap( display, DefaultScreen( display ) ),
&tb->color_bg );
XftFontClose( display, tb->font );
}
tb->font = XftFontOpenName( display, DefaultScreen( display ), font );
@ -222,7 +233,9 @@ void textbox_draw( textbox *tb )
while ( 1 ) {
XftTextExtents8( display, tb->font, ( unsigned char* )line, length, &extents );
line_width = extents.width;
if ( line_width < ( tb->w-2*SIDE_MARGIN ) ) break;
length--;
}