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

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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
View file

@ -1,4 +1,4 @@
CFLAGS?=-Wall -Wextra -Os
CFLAGS?=-Wall -Wextra -Os -g3
PREFIX?=$(DESTDIR)/usr
BINDIR?=$(PREFIX)/bin
MANDIR?=$(PREFIX)/share/man/man1

186
simpleswitcher.c
View file

@ -166,7 +166,7 @@ static void focus_window_i3( const char *socket_path, int id )
}
// Formulate command
// Formulate command
{
i3_ipc_header_t head;
char command[128];
@ -204,7 +204,7 @@ void catch_exit( __attribute__( ( unused ) ) int sig )
int execsh( char *cmd )
{
// use sh for args parsing
// use sh for args parsing
return execlp( "/bin/sh", "sh", "-c", cmd, NULL );
}
@ -256,47 +256,47 @@ static int ( *xerror )( Display *, XErrorEvent * );
#define ATOM_CHAR(x) #x
#define EWMH_ATOMS(X) \
X(_NET_SUPPORTING_WM_CHECK),\
X(_NET_CLIENT_LIST),\
X(_NET_CLIENT_LIST_STACKING),\
X(_NET_NUMBER_OF_DESKTOPS),\
X(_NET_CURRENT_DESKTOP),\
X(_NET_DESKTOP_GEOMETRY),\
X(_NET_DESKTOP_VIEWPORT),\
X(_NET_WORKAREA),\
X(_NET_ACTIVE_WINDOW),\
X(_NET_CLOSE_WINDOW),\
X(_NET_MOVERESIZE_WINDOW),\
X(_NET_WM_NAME),\
X(_NET_WM_WINDOW_TYPE),\
X(_NET_WM_WINDOW_TYPE_DESKTOP),\
X(_NET_WM_WINDOW_TYPE_DOCK),\
X(_NET_WM_WINDOW_TYPE_SPLASH),\
X(_NET_WM_WINDOW_TYPE_UTILITY),\
X(_NET_WM_WINDOW_TYPE_TOOLBAR),\
X(_NET_WM_WINDOW_TYPE_MENU),\
X(_NET_WM_WINDOW_TYPE_DIALOG),\
X(_NET_WM_WINDOW_TYPE_NORMAL),\
X(_NET_WM_STATE),\
X(_NET_WM_STATE_MODAL),\
X(_NET_WM_STATE_STICKY),\
X(_NET_WM_STATE_MAXIMIZED_VERT),\
X(_NET_WM_STATE_MAXIMIZED_HORZ),\
X(_NET_WM_STATE_SHADED),\
X(_NET_WM_STATE_SKIP_TASKBAR),\
X(_NET_WM_STATE_SKIP_PAGER),\
X(_NET_WM_STATE_HIDDEN),\
X(_NET_WM_STATE_FULLSCREEN),\
X(_NET_WM_STATE_ABOVE),\
X(_NET_WM_STATE_BELOW),\
X(_NET_WM_STATE_DEMANDS_ATTENTION),\
X(_NET_WM_STATE_ADD),\
X(_NET_WM_STATE_REMOVE),\
X(_NET_WM_STATE_TOGGLE),\
X(_NET_WM_STRUT),\
X(_NET_WM_STRUT_PARTIAL),\
X(_NET_WM_DESKTOP),\
X(_NET_SUPPORTED)
X(_NET_SUPPORTING_WM_CHECK),\
X(_NET_CLIENT_LIST),\
X(_NET_CLIENT_LIST_STACKING),\
X(_NET_NUMBER_OF_DESKTOPS),\
X(_NET_CURRENT_DESKTOP),\
X(_NET_DESKTOP_GEOMETRY),\
X(_NET_DESKTOP_VIEWPORT),\
X(_NET_WORKAREA),\
X(_NET_ACTIVE_WINDOW),\
X(_NET_CLOSE_WINDOW),\
X(_NET_MOVERESIZE_WINDOW),\
X(_NET_WM_NAME),\
X(_NET_WM_WINDOW_TYPE),\
X(_NET_WM_WINDOW_TYPE_DESKTOP),\
X(_NET_WM_WINDOW_TYPE_DOCK),\
X(_NET_WM_WINDOW_TYPE_SPLASH),\
X(_NET_WM_WINDOW_TYPE_UTILITY),\
X(_NET_WM_WINDOW_TYPE_TOOLBAR),\
X(_NET_WM_WINDOW_TYPE_MENU),\
X(_NET_WM_WINDOW_TYPE_DIALOG),\
X(_NET_WM_WINDOW_TYPE_NORMAL),\
X(_NET_WM_STATE),\
X(_NET_WM_STATE_MODAL),\
X(_NET_WM_STATE_STICKY),\
X(_NET_WM_STATE_MAXIMIZED_VERT),\
X(_NET_WM_STATE_MAXIMIZED_HORZ),\
X(_NET_WM_STATE_SHADED),\
X(_NET_WM_STATE_SKIP_TASKBAR),\
X(_NET_WM_STATE_SKIP_PAGER),\
X(_NET_WM_STATE_HIDDEN),\
X(_NET_WM_STATE_FULLSCREEN),\
X(_NET_WM_STATE_ABOVE),\
X(_NET_WM_STATE_BELOW),\
X(_NET_WM_STATE_DEMANDS_ATTENTION),\
X(_NET_WM_STATE_ADD),\
X(_NET_WM_STATE_REMOVE),\
X(_NET_WM_STATE_TOGGLE),\
X(_NET_WM_STRUT),\
X(_NET_WM_STRUT_PARTIAL),\
X(_NET_WM_DESKTOP),\
X(_NET_SUPPORTED)
enum { EWMH_ATOMS( ATOM_ENUM ), NETATOMS };
const char *netatom_names[] = { EWMH_ATOMS( ATOM_CHAR ) };
@ -371,8 +371,8 @@ void winlist_empty_2d( winlist *l )
}
int winlist_find( winlist *l, Window w )
{
// iterate backwards. theory is: windows most often accessed will be
// nearer the end. testing with kcachegrind seems to support this...
// iterate backwards. theory is: windows most often accessed will be
// nearer the end. testing with kcachegrind seems to support this...
int i;
Window o;
@ -608,7 +608,7 @@ void monitor_dimensions( Screen *screen, int x, int y, workarea *mon )
mon->w = WidthOfScreen( screen );
mon->h = HeightOfScreen( screen );
// locate the current monitor
// locate the current monitor
if ( XineramaIsActive( display ) ) {
int monitors, i;
XineramaScreenInfo *info = XineramaQueryScreens( display, &monitors );
@ -674,14 +674,14 @@ client* window_client( Window win )
if ( idx >= 0 ) return cache_client->data[idx];
// if this fails, we're up that creek
// if this fails, we're up that creek
XWindowAttributes *attr = window_get_attributes( win );
if ( !attr ) return NULL;
client *c = allocate_clear( sizeof( client ) );
c->window = win;
// copy xattr so we don't have to care when stuff is freed
// copy xattr so we don't have to care when stuff is freed
memmove( &c->xattr, attr, sizeof( XWindowAttributes ) );
XGetTransientForHint( display, win, &c->trans );
@ -734,25 +734,26 @@ void menu_draw( textbox *text, textbox **boxes, int max_lines, int selected, cha
textbox_draw( text );
for ( i = 0; i < max_lines; i++ ) {
if(filtered[i] == NULL) {
if ( filtered[i] == NULL ) {
textbox_font( boxes[i], config_menu_font,
config_menu_fg,
config_menu_bg );
config_menu_fg,
config_menu_bg );
textbox_text( boxes[i], "" );
}else {
} else {
textbox_font( boxes[i], config_menu_font,
i == selected ? config_menu_hlfg: config_menu_fg,
i == selected ? config_menu_hlbg: config_menu_bg );
textbox_text( boxes[i], filtered[i]);
i == selected ? config_menu_hlfg: config_menu_fg,
i == selected ? config_menu_hlbg: config_menu_bg );
textbox_text( boxes[i], filtered[i] );
}
textbox_draw( boxes[i] );
}
}
/* Very bad implementation of tab completion.
* It will complete to the common prefix
*/
* It will complete to the common prefix
*/
static int calculate_common_prefix( char **filtered, int max_lines )
{
int length_prefix = 0,j,found = 1;
@ -827,8 +828,8 @@ int menu( char **lines, char **input, char *prompt, int selected, Time *time )
// search text input
textbox *text = textbox_create( box, TB_AUTOHEIGHT|TB_EDITABLE, INNER_MARGIN, INNER_MARGIN,
w-(2*INNER_MARGIN), 1,
config_menu_font, config_menu_fg, config_menu_bg, "", prompt );
w-( 2*INNER_MARGIN ), 1,
config_menu_font, config_menu_fg, config_menu_bg, "", prompt );
textbox_show( text );
int line_height = text->font->ascent + text->font->descent;
@ -841,8 +842,8 @@ int menu( char **lines, char **input, char *prompt, int selected, Time *time )
for ( i = 0; i < max_lines; i++ ) {
boxes[i] = textbox_create( box, TB_AUTOHEIGHT, INNER_MARGIN, ( i+1 ) * line_height +
INNER_MARGIN, w-(2*INNER_MARGIN), 1,
config_menu_font, config_menu_fg, config_menu_bg, lines[i], NULL );
INNER_MARGIN, w-( 2*INNER_MARGIN ), 1,
config_menu_font, config_menu_fg, config_menu_bg, lines[i], NULL );
textbox_show( 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++ )

19
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 );
@ -219,10 +230,12 @@ void textbox_draw( textbox *tb )
// calc full input text width
// Calculate the right size, so no characters are cut off.
// TODO: Check performance of this.
while(1) {
while ( 1 ) {
XftTextExtents8( display, tb->font, ( unsigned char* )line, length, &extents );
line_width = extents.width;
if(line_width < (tb->w-2*SIDE_MARGIN)) break;
if ( line_width < ( tb->w-2*SIDE_MARGIN ) ) break;
length--;
}