/** * simpleswitcher * * MIT/X11 License * Copyright (c) 2012 Sean Pringle * Modified 2013-2014 Qball Cow * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * */ #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef I3 #include #include #include #include #include #endif #define MAX(a, b) ((a) > (b) ? (a) : (b)) #define MIN(a, b) ((a) < (b) ? (a) : (b)) #define NEAR(a,o,b) ((b) > (a)-(o) && (b) < (a)+(o)) #define OVERLAP(a,b,c,d) (((a)==(c) && (b)==(d)) || MIN((a)+(b), (c)+(d)) - MAX((a), (c)) > 0) #define INTERSECT(x,y,w,h,x1,y1,w1,h1) (OVERLAP((x),(w),(x1),(w1)) && OVERLAP((y),(h),(y1),(h1))) #define INNER_MARGIN 5 #define OPAQUE 0xffffffff #define OPACITY "_NET_WM_WINDOW_OPACITY" #define I3_SOCKET_PATH_PROP "I3_SOCKET_PATH" #define TERMINAL_DEFAULT "x-terminal-emulator" char *config_terminal_emulator; #ifdef TIMING #include #endif static void* allocate( unsigned long bytes ) { void *ptr = malloc( bytes ); if ( !ptr ) { fprintf( stderr, "malloc failed!\n" ); exit( EXIT_FAILURE ); } return ptr; } static void* allocate_clear( unsigned long bytes ) { void *ptr = allocate( bytes ); memset( ptr, 0, bytes ); return ptr; } static void* reallocate( void *ptr, unsigned long bytes ) { ptr = realloc( ptr, bytes ); if ( !ptr ) { fprintf( stderr, "realloc failed!\n" ); exit( EXIT_FAILURE ); } return ptr; } static char **tokenize( const char *input ) { if ( input == NULL ) return NULL; char *saveptr = NULL, *token; char **retv = NULL; // First entry is always full (modified) stringtext. int num_tokens = 1; //First entry is string that is modified. retv = allocate ( 2*sizeof( char* ) ); retv[0] = strdup( input ); retv[1] = NULL; // Iterate over tokens. for ( token = strtok_r( retv[0], " ", &saveptr ); token != NULL; token = strtok_r( NULL, " ", &saveptr ) ) { retv = reallocate( retv, sizeof( char* )*( num_tokens+2 ) ); retv[num_tokens+1] = NULL; retv[num_tokens] = token; num_tokens++; } return retv; } static inline void tokenize_free( char **ip ) { if ( ip == NULL ) return; if ( ip[0] ) free( ip[0] ); free( ip ); } #ifdef I3 // Path to I3 socket. char *i3_socket_path = NULL; // Focus window on I3 window manager. static void focus_window_i3( const char *socket_path, int id ) { int s, t, len; struct sockaddr_un remote; if ( strlen( socket_path ) > UNIX_PATH_MAX ) { fprintf( stderr, "Socket path is to long. %zd > %d\n", strlen( socket_path ), UNIX_PATH_MAX ); return; } if ( ( s = socket( AF_UNIX, SOCK_STREAM, 0 ) ) == -1 ) { fprintf( stderr, "Failed to open connection to I3: %s\n", strerror( errno ) ); return; } remote.sun_family = AF_UNIX; strcpy( remote.sun_path, socket_path ); len = strlen( remote.sun_path ) + sizeof( remote.sun_family ); if ( connect( s, ( struct sockaddr * )&remote, len ) == -1 ) { fprintf( stderr, "Failed to connect to I3 (%s): %s\n", socket_path,strerror( errno ) ); close( s ); return ; } // Formulate command { i3_ipc_header_t head; char command[128]; snprintf( command, 128, "[id=\"%d\"] focus", id ); // Prepare header. memcpy( head.magic, I3_IPC_MAGIC, 6 ); head.size = strlen( command ); head.type = I3_IPC_MESSAGE_TYPE_COMMAND; // Send header. send( s, &head, sizeof( head ),0 ); // Send message send( s, command, strlen( command ),0 ); } { i3_ipc_header_t head; char reply[128]; // Receive header. t = recv( s, &head, sizeof( head ),0 ); if ( t == sizeof( head ) ) { t= recv( s, reply, head.size, 0 ); reply[t] = '\0'; printf( "%s\n", reply ); } } close( s ); } #endif void catch_exit( __attribute__( ( unused ) ) int sig ) { while ( 0 < waitpid( -1, NULL, WNOHANG ) ); } static inline int execsh( const char *cmd ,int run_in_term ) { // use sh for args parsing if ( run_in_term ) return execlp( config_terminal_emulator, config_terminal_emulator, "-e", "sh", "-c", cmd, NULL ); return execlp( "/bin/sh", "sh", "-c", cmd, NULL ); } // execute sub-process static pid_t exec_cmd( const char *cmd, int run_in_term ) { if ( !cmd || !cmd[0] ) return -1; signal( SIGCHLD, catch_exit ); pid_t pid = fork(); if ( !pid ) { setsid(); execsh( cmd, run_in_term ); exit( EXIT_FAILURE ); } int curr = -1; unsigned int index = 0; char **retv = NULL; const char *hd = getenv( "HOME" ); if ( hd == NULL ) return pid; /** * This happens in non-critical time (After launching app) * It is allowed to be a bit slower. */ char *path = allocate( strlen( hd ) + strlen( "/.simpleswitcher.cache" )+2 ); sprintf( path, "%s/%s", hd, ".simpleswitcher.cache" ); FILE *fd = fopen ( path, "r" ); char buffer[1024]; if ( fd != NULL ) { while ( fgets( buffer,1024,fd ) != NULL ) { retv = realloc( retv, ( index+2 )*sizeof( char* ) ); buffer[strlen( buffer )-1] = '\0'; retv[index] = strdup( buffer ); retv[index+1] = NULL; if ( strcasecmp( retv[index], cmd ) == 0 ) { curr = index; } index++; } fclose( fd ); } /** * Write out the last 25 results again. */ fd = fopen ( path, "w" ); if ( fd ) { // Last one goes on top! fputs( cmd, fd ); fputc( '\n', fd ); for ( int i = 0; i < ( int )index && i < 20; i++ ) { if ( i != curr ) { fputs( retv[i], fd ); fputc( '\n', fd ); } } fclose( fd ); } for ( int i=0; retv[i] != NULL; i++ ) { free( retv[i] ); } free( retv ); free( path ); return pid; } // cli arg handling static int find_arg( const int argc, char * const argv[], const char * const key ) { int i; for ( i = 0; i < argc && strcasecmp( argv[i], key ); i++ ); return i < argc ? i: -1; } static char* find_arg_str( int argc, char *argv[], char *key, char* def ) { int i = find_arg( argc, argv, key ); return ( i > 0 && i < argc-1 ) ? argv[i+1]: def; } static int find_arg_int( int argc, char *argv[], char *key, int def ) { int i = find_arg( argc, argv, key ); return ( i > 0 && i < argc-1 ) ? strtol( argv[i+1], NULL, 10 ): def; } unsigned int NumlockMask = 0; Display *display; Screen *screen; Window root; int screen_id; static int ( *xerror )( Display *, XErrorEvent * ); #define ATOM_ENUM(x) x #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) enum { EWMH_ATOMS( ATOM_ENUM ), NETATOMS }; const char *netatom_names[] = { EWMH_ATOMS( ATOM_CHAR ) }; Atom netatoms[NETATOMS]; // X error handler int oops( __attribute__( ( unused ) ) Display *d, XErrorEvent *ee ) { if ( ee->error_code == BadWindow || ( ee->request_code == X_GrabButton && ee->error_code == BadAccess ) || ( ee->request_code == X_GrabKey && ee->error_code == BadAccess ) ) return 0; fprintf( stderr, "error: request code=%d, error code=%d\n", ee->request_code, ee->error_code ); return xerror( display, ee ); } // usable space on a monitor typedef struct { int x, y, w, h; int l, r, t, b; } workarea; // window lists typedef struct { Window *array; void **data; int len; } winlist; winlist *cache_client; winlist *cache_xattr; #define winlist_ascend(l,i,w) for ((i) = 0; (i) < (l)->len && (((w) = (l)->array[i]) || 1); (i)++) #define winlist_descend(l,i,w) for ((i) = (l)->len-1; (i) >= 0 && (((w) = (l)->array[i]) || 1); (i)--) #define WINLIST 32 winlist* winlist_new() { winlist *l = allocate( sizeof( winlist ) ); l->len = 0; l->array = allocate( sizeof( Window ) * ( WINLIST+1 ) ); l->data = allocate( sizeof( void* ) * ( WINLIST+1 ) ); return l; } int winlist_append( winlist *l, Window w, void *d ) { if ( l->len > 0 && !( l->len % WINLIST ) ) { l->array = reallocate( l->array, sizeof( Window ) * ( l->len+WINLIST+1 ) ); l->data = reallocate( l->data, sizeof( void* ) * ( l->len+WINLIST+1 ) ); } l->data[l->len] = d; l->array[l->len++] = w; return l->len-1; } void winlist_empty( winlist *l ) { while ( l->len > 0 ) free( l->data[--( l->len )] ); } void winlist_free( winlist *l ) { winlist_empty( l ); free( l->array ); free( l->data ); free( l ); } void winlist_empty_2d( winlist *l ) { while ( l->len > 0 ) winlist_free( l->data[--( l->len )] ); } 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... int i; Window o; winlist_descend( l, i, o ) if ( w == o ) return i; return -1; } int winlist_forget( winlist *l, Window w ) { int i, j; for ( i = 0, j = 0; i < l->len; i++, j++ ) { l->array[j] = l->array[i]; l->data[j] = l->data[i]; if ( l->array[i] == w ) { free( l->data[i] ); j--; } } l->len -= ( i-j ); return j != i ?1:0; } #define CLIENTTITLE 100 #define CLIENTCLASS 50 #define CLIENTNAME 50 #define CLIENTSTATE 10 #define CLIENTROLE 50 // a managable window typedef struct { Window window, trans; XWindowAttributes xattr; char title[CLIENTTITLE], class[CLIENTCLASS], name[CLIENTNAME], role[CLIENTROLE]; int states; Atom state[CLIENTSTATE], type; workarea monitor; } client; #define MENUXFTFONT "mono-14" #define MENUWIDTH 50 #define MENULINES 15 #define MENUFG "#222222" #define MENUBG "#f2f1f0" #define MENUBGALT "#e9e8e7" #define MENUHLFG "#ffffff" #define MENUHLBG "#005577" #define MENUBC "black" char *config_menu_font; char *config_menu_fg; char *config_menu_bg; char *config_menu_hlfg; char *config_menu_hlbg; char *config_menu_bgalt; char *config_menu_bc; unsigned int config_menu_width; int config_menu_lines; unsigned int config_focus_mode; unsigned int config_raise_mode; unsigned int config_window_placement; unsigned int config_window_opacity; unsigned int config_zeltak_mode; #ifdef I3 int config_i3_mode = 0; #endif // allocate a pixel value for an X named color static unsigned int color_get( const char *const name ) { XColor color; Colormap map = DefaultColormap( display, screen_id ); return XAllocNamedColor( display, map, name, &color, &color ) ? color.pixel: None; } // find mouse pointer location int pointer_get( Window root, int *x, int *y ) { *x = 0; *y = 0; Window rr, cr; int rxr, ryr, wxr, wyr; unsigned int mr; if ( XQueryPointer( display, root, &rr, &cr, &rxr, &ryr, &wxr, &wyr, &mr ) ) { *x = rxr; *y = ryr; return 1; } return 0; } int take_keyboard( Window w ) { int i; for ( i = 0; i < 1000; i++ ) { if ( XGrabKeyboard( display, w, True, GrabModeAsync, GrabModeAsync, CurrentTime ) == GrabSuccess ) return 1; usleep( 1000 ); } return 0; } void release_keyboard() { XUngrabKeyboard( display, CurrentTime ); } // XGetWindowAttributes with caching XWindowAttributes* window_get_attributes( Window w ) { int idx = winlist_find( cache_xattr, w ); if ( idx < 0 ) { XWindowAttributes *cattr = allocate( sizeof( XWindowAttributes ) ); if ( XGetWindowAttributes( display, w, cattr ) ) { winlist_append( cache_xattr, w, cattr ); return cattr; } free( cattr ); return NULL; } return cache_xattr->data[idx]; } // retrieve a property of any type from a window int window_get_prop( Window w, Atom prop, Atom *type, int *items, void *buffer, unsigned int bytes ) { Atom _type; if ( !type ) type = &_type; int _items; if ( !items ) items = &_items; int format; unsigned long nitems, nbytes; unsigned char *ret = NULL; memset( buffer, 0, bytes ); if ( XGetWindowProperty( display, w, prop, 0, bytes/4, False, AnyPropertyType, type, &format, &nitems, &nbytes, &ret ) == Success && ret && *type != None && format ) { if ( format == 8 ) memmove( buffer, ret, MIN( bytes, nitems ) ); if ( format == 16 ) memmove( buffer, ret, MIN( bytes, nitems * sizeof( short ) ) ); if ( format == 32 ) memmove( buffer, ret, MIN( bytes, nitems * sizeof( long ) ) ); *items = ( int )nitems; XFree( ret ); return 1; } return 0; } // retrieve a text property from a window // technically we could use window_get_prop(), but this is better for character set support char* window_get_text_prop( Window w, Atom atom ) { XTextProperty prop; char *res = NULL; char **list = NULL; int count; if ( XGetTextProperty( display, w, &prop, atom ) && prop.value && prop.nitems ) { if ( prop.encoding == XA_STRING ) { res = allocate( strlen( ( char* )prop.value )+1 ); strcpy( res, ( char* )prop.value ); } else if ( XmbTextPropertyToTextList( display, &prop, &list, &count ) >= Success && count > 0 && *list ) { res = allocate( strlen( *list )+1 ); strcpy( res, *list ); XFreeStringList( list ); } } if ( prop.value ) XFree( prop.value ); return res; } int window_get_atom_prop( Window w, Atom atom, Atom *list, int count ) { Atom type; int items; return window_get_prop( w, atom, &type, &items, list, count*sizeof( Atom ) ) && type == XA_ATOM ? items:0; } void window_set_atom_prop( Window w, Atom prop, Atom *atoms, int count ) { XChangeProperty( display, w, prop, XA_ATOM, 32, PropModeReplace, ( unsigned char* )atoms, count ); } int window_get_cardinal_prop( Window w, Atom atom, unsigned long *list, int count ) { Atom type; int items; return window_get_prop( w, atom, &type, &items, list, count*sizeof( unsigned long ) ) && type == XA_CARDINAL ? items:0; } // a ClientMessage int window_send_message( Window target, Window subject, Atom atom, unsigned long protocol, unsigned long mask, Time time ) { XEvent e; memset( &e, 0, sizeof( XEvent ) ); e.xclient.type = ClientMessage; e.xclient.message_type = atom; e.xclient.window = subject; e.xclient.data.l[0] = protocol; e.xclient.data.l[1] = time; e.xclient.send_event = True; e.xclient.format = 32; int r = XSendEvent( display, target, False, mask, &e ) ?1:0; XFlush( display ); return r; } // find the dimensions of the monitor displaying point x,y void monitor_dimensions( Screen *screen, int x, int y, workarea *mon ) { memset( mon, 0, sizeof( workarea ) ); mon->w = WidthOfScreen( screen ); mon->h = HeightOfScreen( screen ); // locate the current monitor if ( XineramaIsActive( display ) ) { int monitors, i; XineramaScreenInfo *info = XineramaQueryScreens( display, &monitors ); if ( info ) for ( i = 0; i < monitors; i++ ) { if ( INTERSECT( x, y, 1, 1, info[i].x_org, info[i].y_org, info[i].width, info[i].height ) ) { mon->x = info[i].x_org; mon->y = info[i].y_org; mon->w = info[i].width; mon->h = info[i].height; break; } } XFree( info ); } } // determine which monitor holds the active window, or failing that the mouse pointer void monitor_active( workarea *mon ) { Window root = RootWindow( display, XScreenNumberOfScreen( screen ) ); unsigned long id; Atom type; int count; if ( window_get_prop( root, netatoms[_NET_ACTIVE_WINDOW], &type, &count, &id, 1 ) && type == XA_WINDOW && count > 0 ) { XWindowAttributes *attr = window_get_attributes( id ); monitor_dimensions( screen, attr->x, attr->y, mon ); return; } int x, y; if ( pointer_get( root, &x, &y ) ) { monitor_dimensions( screen, x, y, mon ); return; } monitor_dimensions( screen, 0, 0, mon ); } // _NET_WM_STATE_* int client_has_state( client *c, Atom state ) { int i; for ( i = 0; i < c->states; i++ ) if ( c->state[i] == state ) return 1; return 0; } // collect info on any window // doesn't have to be a window we'll end up managing client* window_client( Window win ) { if ( win == None ) return NULL; int idx = winlist_find( cache_client, win ); if ( idx >= 0 ) { return cache_client->data[idx]; } // 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 memmove( &c->xattr, attr, sizeof( XWindowAttributes ) ); XGetTransientForHint( display, win, &c->trans ); c->states = window_get_atom_prop( win, netatoms[_NET_WM_STATE], c->state, CLIENTSTATE ); window_get_atom_prop( win, netatoms[_NET_WM_WINDOW_TYPE], &c->type, 1 ); if ( c->type == None ) c->type = ( c->trans != None ) // trasients default to dialog ? netatoms[_NET_WM_WINDOW_TYPE_DIALOG] // non-transients default to normal : netatoms[_NET_WM_WINDOW_TYPE_NORMAL]; char *name; if ( ( name = window_get_text_prop( c->window, netatoms[_NET_WM_NAME] ) ) && name ) { snprintf( c->title, CLIENTTITLE, "%s", name ); free( name ); } else if ( XFetchName( display, c->window, &name ) ) { snprintf( c->title, CLIENTTITLE, "%s", name ); XFree( name ); } name = window_get_text_prop ( c->window, XInternAtom( display, "WM_WINDOW_ROLE", False ) ); if ( name != NULL ) { snprintf( c->role, CLIENTROLE, "%s", name ); XFree( name ); } XClassHint chint; if ( XGetClassHint( display, c->window, &chint ) ) { snprintf( c->class, CLIENTCLASS, "%s", chint.res_class ); snprintf( c->name, CLIENTNAME, "%s", chint.res_name ); XFree( chint.res_class ); XFree( chint.res_name ); } monitor_dimensions( c->xattr.screen, c->xattr.x, c->xattr.y, &c->monitor ); winlist_append( cache_client, c->window, c ); return c; } unsigned int windows_modmask; KeySym windows_keysym; unsigned int rundialog_modmask; KeySym rundialog_keysym; // flags to set if we switch modes on the fly Window main_window = None; #include "textbox.h" void menu_draw( textbox *text, textbox **boxes, int max_lines, int selected, char **filtered ) { int i; textbox_draw( text ); for ( i = 0; i < max_lines; i++ ) { if ( filtered[i] == NULL ) { textbox_font( boxes[i], config_menu_font, config_menu_fg, config_menu_bg ); textbox_text( boxes[i], "" ); } 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] ); } textbox_draw( boxes[i] ); } } /* Very bad implementation of tab completion. * It will complete to the common prefix */ static int calculate_common_prefix( char **filtered, int max_lines ) { int length_prefix = 0,j,found = 1; if ( filtered[0] != NULL ) { char *p = filtered[0]; do { found = 1; for ( j=0; j < max_lines && filtered[j] != NULL; j++ ) { if ( filtered[j][length_prefix] == '\0' || filtered[j][length_prefix] != *p ) { if ( found ) found=0; break; } } if ( found ) length_prefix++; p++; } while ( found ); } return length_prefix; } int menu( char **lines, char **input, char *prompt, int selected, Time *time, int *shift, winlist *ids ) { int line = -1, i, j, chosen = 0; workarea mon; monitor_active( &mon ); int num_lines = 0; for ( ; lines[num_lines]; num_lines++ ); int max_lines = MIN( config_menu_lines, num_lines ); selected = MAX( MIN( num_lines-1, selected ), 0 ); int w = config_menu_width < 101 ? ( mon.w/100 )*config_menu_width: config_menu_width; int x = mon.x + ( mon.w - w )/2; Window box; XWindowAttributes attr; // main window isn't explicitly destroyed in case we switch modes. Reusing it prevents flicker if ( main_window != None && XGetWindowAttributes( display, main_window, &attr ) ) { box = main_window; } else { box = XCreateSimpleWindow( display, root, x, 0, w, 300, 1, color_get( config_menu_bc ), color_get( config_menu_bg ) ); XSelectInput( display, box, ExposureMask ); // make it an unmanaged window window_set_atom_prop( box, netatoms[_NET_WM_STATE], &netatoms[_NET_WM_STATE_ABOVE], 1 ); //window_set_atom_prop(box, netatoms[_NET_WM_WINDOW_TYPE], &netatoms[_NET_WM_WINDOW_TYPE_DOCK], 1); XSetWindowAttributes sattr; sattr.override_redirect = True; XChangeWindowAttributes( display, box, CWOverrideRedirect, &sattr ); main_window = box; // Set the WM_NAME XStoreName( display, box, "simpleswitcher" ); // Hack to set window opacity. unsigned int opacity_set = ( unsigned int )( ( config_window_opacity/100.0 )* OPAQUE ); XChangeProperty( display, box, XInternAtom( display, OPACITY, False ), XA_CARDINAL, 32, PropModeReplace, ( unsigned char * ) &opacity_set, 1L ); } // 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, ( input!= NULL )?*input:"", prompt ); textbox_show( text ); int line_height = text->font->ascent + text->font->descent; //line_height += line_height/10; int row_margin = line_height/10; line_height+=row_margin; // filtered list display textbox **boxes = allocate_clear( sizeof( textbox* ) * max_lines ); 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 ); textbox_show( boxes[i] ); } // filtered list char **filtered = allocate_clear( sizeof( char* ) * max_lines ); int *line_map = allocate_clear( sizeof( int ) * max_lines ); int filtered_lines = 0; int jin = 0; if ( input && *input ) { char **tokens = tokenize( *input ); // input changed for ( i = 0, j = 0; i < num_lines && j < max_lines; i++ ) { int match = 1; // Do a tokenized match. if ( tokens ) for ( int j = 1; match && tokens[j]; j++ ) { match = ( strcasestr( lines[i], tokens[j] ) != NULL ); } // If each token was matched, add it to list. if ( match ) { line_map[j] = i; filtered[j++] = lines[i]; filtered_lines++; } } tokenize_free( tokens ); } else { for ( i = 0; i < max_lines; i++ ) { filtered[jin] = lines[i]; line_map[jin] = i; jin++; filtered_lines++; } } // resize window vertically to suit // Subtract the margin of the last row. int h = line_height * ( max_lines+1 ) + INNER_MARGIN*2 - row_margin; int y = mon.y + ( mon.h - h )/2; XMoveResizeWindow( display, box, x, y, w, h ); XMapRaised( display, box ); take_keyboard( box ); for ( ;; ) { XEvent ev; XNextEvent( display, &ev ); if ( ev.type == Expose ) { while ( XCheckTypedEvent( display, Expose, &ev ) ); menu_draw( text, boxes, max_lines, selected, filtered ); } else if ( ev.type == KeyPress ) { while ( XCheckTypedEvent( display, KeyPress, &ev ) ); if ( time ) *time = ev.xkey.time; KeySym key = XkbKeycodeToKeysym( display, ev.xkey.keycode, 0, 0 ); if ( ( ( ev.xkey.state&ShiftMask ) == ShiftMask ) && key == XK_slash ) { line = -2; break; } int rc = textbox_keypress( text, &ev ); if ( rc < 0 ) { if ( shift != NULL ) ( *shift ) = ( ( ev.xkey.state&ShiftMask ) == ShiftMask ); chosen = 1; break; } else if ( rc ) { char **tokens = tokenize( text->text ); // input changed for ( i = 0, j = 0; i < num_lines && j < max_lines; i++ ) { int match = 1; // If ids provided match on that. if ( ids != NULL ) { client *c = window_client( ids->array[i] ); if ( tokens ) for ( int j = 1; match && tokens[j]; j++ ) { int test = 0; if ( !test && c->title[0] != '\0' ) test = ( strcasestr( c->title, tokens[j] ) != NULL ); if ( !test && c->class[0] != '\0' ) test = ( strcasestr( c->class, tokens[j] ) != NULL ); if ( !test && c->role[0] != '\0' ) test = ( strcasestr( c->role, tokens[j] ) != NULL ); if ( !test && c->name[0] != '\0' ) test = ( strcasestr( c->name, tokens[j] ) != NULL ); if ( test == 0 ) match = 0; } } else { // Do a tokenized match. if ( tokens ) for ( int j = 1; match && tokens[j]; j++ ) { match = ( strcasestr( lines[i], tokens[j] ) != NULL ); } } // If each token was matched, add it to list. if ( match ) { line_map[j] = i; filtered[j++] = lines[i]; } } // Cleanup + bookkeeping. filtered_lines = j; selected = MAX( 0, MIN( selected, j-1 ) ); for ( ; j < max_lines; j++ ) filtered[j] = NULL; if ( config_zeltak_mode && filtered_lines == 1 ) { chosen = 1; break; } tokenize_free( tokens ); } else { // unhandled key KeySym key = XkbKeycodeToKeysym( display, ev.xkey.keycode, 0, 0 ); if ( key == XK_Escape // pressing one of the global key bindings closes the switcher. this allows fast closing of the menu if an item is not selected || ( ( windows_modmask == AnyModifier || ev.xkey.state & windows_modmask ) && key == windows_keysym ) || ( ( rundialog_modmask == AnyModifier || ev.xkey.state & rundialog_modmask ) && key == rundialog_keysym ) ) { break; } else // Up or Shift-Tab if ( key == XK_Up || ( key == XK_Tab && ev.xkey.state & ShiftMask ) ) selected = selected ? MAX( 0, selected-1 ): MAX( 0, filtered_lines-1 ); else // Down or Tab if ( key == XK_Down || key == XK_Tab ) { if ( filtered_lines == 1 ) { chosen = 1; break; } int length_prefix = calculate_common_prefix( filtered, max_lines ); if ( length_prefix && strncasecmp( filtered[0], text->text, length_prefix ) ) { // Do not want to modify original string, so make copy. // not eff.. char * str = strndup( filtered[0], length_prefix ); textbox_text( text, str ); textbox_cursor_end( text ); free( str ); } else selected = selected < filtered_lines-1 ? MIN( filtered_lines-1, selected+1 ): 0; } } menu_draw( text, boxes, max_lines, selected, filtered ); } } release_keyboard(); if ( chosen && filtered[selected] ) { line = line_map[selected]; } if ( line < 0 && input ) { if ( *input != NULL ) free( *input ); *input = strdup( text->text ); // If chosen and the like. if(chosen) line = -3; } textbox_free( text ); for ( i = 0; i < max_lines; i++ ) textbox_free( boxes[i] ); free( boxes ); free( filtered ); free( line_map ); return line; } #define FORK 1 #define NOFORK 2 int sort_func ( const void *a, const void *b ) { const char *astr = *( const char * const * )a; const char *bstr = *( const char * const * )b; return strcasecmp( astr,bstr ); } static char ** get_apps ( ) { int num_favorites = 0; unsigned int index = 0; char *path; char **retv = NULL; #ifdef TIMING struct timespec start, stop; clock_gettime( CLOCK_REALTIME, &start ); #endif if ( getenv( "PATH" ) == NULL ) return NULL; const char *hd = getenv( "HOME" ); if ( hd == NULL ) return NULL; path = allocate( strlen( hd ) + strlen( "/.simpleswitcher.cache" )+2 ); sprintf( path, "%s/%s", hd, ".simpleswitcher.cache" ); FILE *fd = fopen ( path, "r" ); char buffer[1024]; if ( fd != NULL ) { while ( fgets( buffer,1024,fd ) != NULL ) { retv = realloc( retv, ( index+2 )*sizeof( char* ) ); buffer[strlen( buffer )-1] = '\0'; retv[index] = strdup( buffer ); retv[index+1] = NULL; index++; num_favorites++; } fclose( fd ); } free( path ); path = strdup( getenv( "PATH" ) ); for ( const char *dirname = strtok( path, ":" ); dirname != NULL; dirname = strtok( NULL, ":" ) ) { DIR *dir = opendir( dirname ); if ( dir != NULL ) { struct dirent *dent; while ( ( dent=readdir( dir ) )!=NULL ) { if ( dent->d_type != DT_REG && dent->d_type != DT_LNK && dent->d_type != DT_UNKNOWN ) { continue; } int found = 0; // This is a nice little penalty, but doable? time will tell. // given num_favorites is max 25. for ( int j = 0; found == 0 && j < num_favorites; j++ ) { if ( strcasecmp( dent->d_name, retv[j] ) == 0 ) found = 1; } if ( found == 1 ) continue; retv = realloc( retv, ( index+2 )*sizeof( char* ) ); retv[index] = strdup( dent->d_name ); retv[index+1] = NULL; index++; } closedir( dir ); } } // TODO: check this is still fast enough. (takes 1ms on laptop.) qsort( &retv[num_favorites],index-num_favorites, sizeof( char* ), sort_func ); free( path ); #ifdef TIMING clock_gettime( CLOCK_REALTIME, &stop ); if ( stop.tv_sec != start.tv_sec ) { stop.tv_nsec += ( stop.tv_sec-start.tv_sec )*1e9; } long diff = stop.tv_nsec-start.tv_nsec; printf( "Time elapsed: %ld us\n", diff/1000 ); #endif return retv; } typedef enum { WINDOW_SWITCHER, RUN_DIALOG, MODE_EXIT } SwitcherMode; SwitcherMode mode = WINDOW_SWITCHER; void run_switcher( int fmode ) { // TODO: this whole function is messy. build a nicer solution // we fork because it's technically possible to have multiple window // lists up at once on a zaphod multihead X setup. // this also happens to isolate the Xft font stuff in a child process // that gets cleaned up every time. that library shows some valgrind // strangeness... if ( fmode == FORK ) { if ( fork() ) return; display = XOpenDisplay( 0 ); XSync( display, True ); } char *input = NULL; do { if ( mode == WINDOW_SWITCHER ) { char pattern[50], **list = NULL; int i, plen = 0, lines = 0; unsigned int classfield = 0; unsigned long desktops = 0, current_desktop = 0; Window w; client *c; mode = MODE_EXIT; // windows we actually display. may be slightly different to _NET_CLIENT_LIST_STACKING // if we happen to have a window destroyed while we're working... winlist *ids = winlist_new(); if ( !window_get_cardinal_prop( root, netatoms[_NET_CURRENT_DESKTOP], ¤t_desktop, 1 ) ) current_desktop = 0; // find window list Atom type; int nwins; unsigned long *wins = allocate_clear( sizeof( unsigned long ) * 100 ); if ( window_get_prop( root, netatoms[_NET_CLIENT_LIST_STACKING], &type, &nwins, wins, 100 * sizeof( unsigned long ) ) && type == XA_WINDOW ) { // calc widths of fields for ( i = nwins-1; i > -1; i-- ) { if ( ( c = window_client( wins[i] ) ) && !c->xattr.override_redirect && !client_has_state( c, netatoms[_NET_WM_STATE_SKIP_PAGER] ) && !client_has_state( c, netatoms[_NET_WM_STATE_SKIP_TASKBAR] ) ) { classfield = MAX( classfield, strlen( c->class ) ); #ifdef I3 // In i3 mode, skip the i3bar completely. if ( config_i3_mode && strstr( c->class, "i3bar" ) != NULL ) continue; #endif winlist_append( ids, c->window, NULL ); } } if ( !window_get_cardinal_prop( root, netatoms[_NET_NUMBER_OF_DESKTOPS], &desktops, 1 ) ) desktops = 1; plen += sprintf( pattern+plen, "%%-%ds %%s", MAX( 5, classfield ) ); list = allocate_clear( sizeof( char* ) * ( ids->len+1 ) ); lines = 0; // build the actual list winlist_ascend( ids, i, w ) { if ( ( c = window_client( w ) ) ) { // final line format char *line = allocate( strlen( c->title ) + strlen( c->class ) + classfield + 50 ); sprintf( line, pattern, c->class, c->title ); list[lines++] = line; } } Time time; int n = menu( list, &input, "> ", 0, &time, NULL,ids ); if ( n == -2 ) { mode = RUN_DIALOG; } else if ( n >= 0 && list[n] ) { // Normally we want to exit. #ifdef I3 if ( config_i3_mode ) { // Hack for i3. focus_window_i3( i3_socket_path,ids->array[n] ); } else #endif { if ( isdigit( list[n][0] ) ) { // TODO: get rid of strtol window_send_message( root, root, netatoms[_NET_CURRENT_DESKTOP], strtol( list[n], NULL, 10 )-1, SubstructureNotifyMask | SubstructureRedirectMask, time ); XSync( display, False ); } window_send_message( root, ids->array[n], netatoms[_NET_ACTIVE_WINDOW], 2, // 2 = pager SubstructureNotifyMask | SubstructureRedirectMask, time ); } } } for ( i = 0; i < lines; i++ ) free( list[i] ); free( list ); free( wins ); winlist_free( ids ); } else if ( mode == RUN_DIALOG ) { Time time; mode = MODE_EXIT; // act as a launcher char **cmd_list = get_apps( ); if ( cmd_list == NULL ) { cmd_list = allocate( 2*sizeof( char * ) ); cmd_list[0] = strdup( "No applications found" ); cmd_list[1] = NULL; } int shift=0; int n = menu( cmd_list, &input, "$ ", 0, &time, &shift,NULL ); if ( n == -2 ) { mode = WINDOW_SWITCHER; } else if ( n >=0 && cmd_list[n] != NULL ) { exec_cmd( cmd_list[n], shift ); } else if ( n == -3 && input != NULL && input[0] != '\0' ) { exec_cmd( input, shift ); } for ( int i=0; cmd_list[i] != NULL; i++ ) { free( cmd_list[i] ); } free( cmd_list ); } } while ( mode != MODE_EXIT ); if ( input != NULL ) free( input ); if ( fmode == FORK ) exit( EXIT_SUCCESS ); } // KeyPress event void handle_keypress( XEvent *ev ) { KeySym key = XkbKeycodeToKeysym( display, ev->xkey.keycode, 0, 0 ); if ( ( windows_modmask == AnyModifier || ev->xkey.state & windows_modmask ) && key == windows_keysym ) { mode = WINDOW_SWITCHER; run_switcher( FORK ); } if ( ( rundialog_modmask == AnyModifier || ev->xkey.state & rundialog_modmask ) && key == rundialog_keysym ) { mode = RUN_DIALOG; run_switcher( FORK ); } } // convert a Mod+key arg to mod mask and keysym void parse_key( char *combo, unsigned int *mod, KeySym *key ) { unsigned int modmask = 0; if ( strcasestr( combo, "shift" ) ) modmask |= ShiftMask; if ( strcasestr( combo, "control" ) ) modmask |= ControlMask; if ( strcasestr( combo, "mod1" ) ) modmask |= Mod1Mask; if ( strcasestr( combo, "alt" ) ) modmask |= Mod1Mask; if ( strcasestr( combo, "mod2" ) ) modmask |= Mod2Mask; if ( strcasestr( combo, "mod3" ) ) modmask |= Mod3Mask; if ( strcasestr( combo, "mod4" ) ) modmask |= Mod4Mask; if ( strcasestr( combo, "mod5" ) ) modmask |= Mod5Mask; *mod = modmask ? modmask: AnyModifier; char i = strlen( combo ); while ( i > 0 && !strchr( "-+", combo[i-1] ) ) i--; KeySym sym = XStringToKeysym( combo+i ); if ( sym == NoSymbol || ( !modmask && ( strchr( combo, '-' ) || strchr( combo, '+' ) ) ) ) { fprintf( stderr, "sorry, cannot understand key combination: %s\n", combo ); exit( EXIT_FAILURE ); } *key = sym; } // bind a key combination on a root window, compensating for Lock* states void grab_key( unsigned int modmask, KeySym key ) { KeyCode keycode = XKeysymToKeycode( display, key ); XUngrabKey( display, keycode, AnyModifier, root ); if ( modmask != AnyModifier ) { // bind to combinations of mod and lock masks, so caps and numlock don't confuse people XGrabKey( display, keycode, modmask, root, True, GrabModeAsync, GrabModeAsync ); XGrabKey( display, keycode, modmask|LockMask, root, True, GrabModeAsync, GrabModeAsync ); if ( NumlockMask ) { XGrabKey( display, keycode, modmask|NumlockMask, root, True, GrabModeAsync, GrabModeAsync ); XGrabKey( display, keycode, modmask|NumlockMask|LockMask, root, True, GrabModeAsync, GrabModeAsync ); } } else { // nice simple single key bind XGrabKey( display, keycode, AnyModifier, root, True, GrabModeAsync, GrabModeAsync ); } } /** * Help function. This calls man. */ void help() { int code = execlp( "man","man", MANPAGE_PATH,NULL ); if ( code == -1 ) { fprintf( stderr, "Failed to execute man: %s\n", strerror( errno ) ); } } int main( int argc, char *argv[] ) { int i, j; // catch help request if ( find_arg( argc, argv, "-help" ) >= 0 || find_arg( argc, argv, "--help" ) >= 0 || find_arg( argc, argv, "-h" ) >= 0 ) { help(); return EXIT_SUCCESS; } const char *display_str= find_arg_str( argc, argv, "-display", getenv( "DISPLAY" ) ); if ( !( display = XOpenDisplay( display_str ) ) ) { fprintf( stderr, "cannot open display!\n" ); return EXIT_FAILURE; } signal( SIGCHLD, catch_exit ); screen = DefaultScreenOfDisplay( display ); screen_id = DefaultScreen( display ); root = DefaultRootWindow( display ); XSync( display, False ); xerror = XSetErrorHandler( oops ); XSync( display, False ); // determine numlock mask so we can bind on keys with and without it XModifierKeymap *modmap = XGetModifierMapping( display ); for ( i = 0; i < 8; i++ ) for ( j = 0; j < ( int )modmap->max_keypermod; j++ ) if ( modmap->modifiermap[i*modmap->max_keypermod+j] == XKeysymToKeycode( display, XK_Num_Lock ) ) NumlockMask = ( 1<= 0 ); #ifdef I3 // Check for i3 { config_i3_mode = 0; Atom atom = XInternAtom( display, I3_SOCKET_PATH_PROP,True ); if ( atom != None ) { i3_socket_path = window_get_text_prop( root, atom ); if ( i3_socket_path != NULL ) { printf( "Auto detected I3 running, switching to I3 mode: %s\n", i3_socket_path ); config_i3_mode = 1; } } } #endif // flags to run immediately and exit if ( find_arg( ac, av, "-now" ) >= 0 ) { run_switcher( NOFORK ); #ifdef I3 if ( i3_socket_path != NULL ) free( i3_socket_path ); #endif exit( EXIT_SUCCESS ); } if ( find_arg( ac, av, "-rnow" ) >= 0 ) { mode = RUN_DIALOG; run_switcher( NOFORK ); #ifdef I3 if ( i3_socket_path != NULL ) free( i3_socket_path ); #endif exit( EXIT_SUCCESS ); } // in background mode from here on // key combination to display all windows from all desktops parse_key( find_arg_str( ac, av, "-key", "F12" ), &windows_modmask, &windows_keysym ); parse_key( find_arg_str( ac, av, "-rkey", "mod1+F2" ), &rundialog_modmask, &rundialog_keysym ); // bind key combos grab_key( windows_modmask, windows_keysym ); grab_key( rundialog_modmask, rundialog_keysym ); XEvent ev; for ( ;; ) { // caches only live for a single event winlist_empty( cache_xattr ); winlist_empty( cache_client ); // block and wait for something XNextEvent( display, &ev ); if ( ev.xany.window == None ) continue; if ( ev.type == KeyPress ) handle_keypress( &ev ); } #ifdef I3 if ( i3_socket_path != NULL ) free( i3_socket_path ); #endif return EXIT_SUCCESS; }