X-Git-Url: https://git.subgeniuskitty.com/xmenu/.git/blobdiff_plain/f8d55995dffb94166a38f510ea47bb0218e7bfbf..HEAD:/xmenu.c diff --git a/xmenu.c b/xmenu.c index 6e189cc..177cf9c 100644 --- a/xmenu.c +++ b/xmenu.c @@ -5,6 +5,7 @@ #include #include #include +#include #include #include #include @@ -15,190 +16,206 @@ #include #include #include -#include "xmenu.h" - -/* - * Function declarations - */ - -/* argument parser */ -static void parseposition(char *optarg); - -/* initializers, and their helper routines */ -static void parsefonts(const char *s); -static void ealloccolor(const char *s, XftColor *color); -static void initmonitor(void); -static void initresources(void); -static void initdc(void); -static void initiconsize(void); -static void initatoms(void); - -/* structure builders, and their helper routines */ -static struct Item *allocitem(const char *label, const char *output, char *file); -static struct Menu *allocmenu(struct Menu *parent, struct Item *list, unsigned level); -static struct Menu *buildmenutree(unsigned level, const char *label, const char *output, char *file); -static struct Menu *parsestdin(void); - -/* text drawer, and its helper routine */ -static FcChar32 getnextutf8char(const char *s, const char **end_ret); -static XftFont *getfontucode(FcChar32 ucode); -static int drawtext(XftDraw *draw, XftColor *color, int x, int y, unsigned h, const char *text); - -/* structure setters, and their helper routines */ -static void setupitems(struct Menu *menu); -static void setupmenupos(struct Menu *menu); -static void setupmenu(struct Menu *menu, XClassHint *classh); - -/* grabbers */ -static void grabpointer(void); -static void grabkeyboard(void); - -/* item drawer, and its helper routine */ -static Imlib_Image loadicon(const char *file); -static void drawitems(struct Menu *menu); - -/* menu drawers and mappers */ -static void drawmenus(struct Menu *currmenu); -static void mapmenu(struct Menu *currmenu); - -/* getters */ -static struct Menu *getmenu(struct Menu *currmenu, Window win); -static struct Item *getitem(struct Menu *menu, int y); - -/* cycle through items */ -static struct Item *itemcycle(struct Menu *currmenu, int direction); - -/* main event loop */ -static void run(struct Menu *currmenu); - -/* cleaners */ -static void cleanmenu(struct Menu *menu); -static void cleanup(void); - -/* show usage */ -static void usage(void); +/* macros */ +#define MAXPATHS 128 /* maximal number of paths to look for icons */ +#define ICONPATH "ICONPATH" /* environment variable name */ +#define CLASS "XMenu" +#define LEN(x) (sizeof (x) / sizeof (x[0])) +#define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b)) +#define GETNUM(n, s) { \ + unsigned long __TMP__; \ + if ((__TMP__ = strtoul((s), NULL, 10)) < INT_MAX) \ + (n) = __TMP__; \ + } -/* - * Variable declarations - */ +/* Actions for the main loop */ +enum { + ACTION_NOP = 0, + ACTION_CLEAR = 1<<0, /* clear text */ + ACTION_SELECT = 1<<1, /* select item */ + ACTION_MAP = 1<<2, /* remap menu windows */ + ACTION_DRAW = 1<<3, /* redraw menu windows */ + ACTION_WARP = 1<<4, /* warp the pointer */ +}; + +/* enum for keyboard menu navigation */ +enum { ITEMPREV, ITEMNEXT, ITEMFIRST, ITEMLAST }; + +/* enum for text alignment */ +enum {LeftAlignment, CenterAlignment, RightAlignment}; + +/* color enum */ +enum {ColorFG, ColorBG, ColorLast}; + +/* EWMH atoms */ +enum {NetWMName, NetWMWindowType, NetWMWindowTypePopupMenu, NetLast}; + +/* configuration structure */ +struct Config { + /* the values below are set by config.h */ + const char *font; + const char *background_color; + const char *foreground_color; + const char *selbackground_color; + const char *selforeground_color; + const char *separator_color; + const char *border_color; + int width_pixels; + int height_pixels; + int border_pixels; + int max_items; + int separator_pixels; + int gap_pixels; + int triangle_width; + int triangle_height; + int iconpadding; + int horzpadding; + int alignment; + + /* the values below are set by options */ + int monitor; + int posx, posy; /* rootmenu position */ + + /* the value below is computed by xmenu */ + int iconsize; +}; + +/* draw context structure */ +struct DC { + XftColor normal[ColorLast]; + XftColor selected[ColorLast]; + XftColor border; + XftColor separator; + + GC gc; + + FcPattern *pattern; + XftFont **fonts; + size_t nfonts; +}; + +/* menu item structure */ +struct Item { + char *label; /* string to be drawed on menu */ + char *output; /* string to be outputed when item is clicked */ + char *file; /* filename of the icon */ + int y; /* item y position relative to menu */ + int h; /* item height */ + int textw; /* text width */ + struct Item *prev; /* previous item */ + struct Item *next; /* next item */ + struct Menu *submenu; /* submenu spawned by clicking on item */ + Drawable sel, unsel; /* pixmap for selected and unselected item */ + Imlib_Image icon; +}; + +/* monitor geometry structure */ +struct Monitor { + int x, y, w, h; /* monitor geometry */ +}; + +/* menu structure */ +struct Menu { + struct Menu *parent; /* parent menu */ + struct Item *caller; /* item that spawned the menu */ + struct Item *list; /* list of items contained by the menu */ + struct Item *first; /* first item displayed on the menu */ + struct Item *selected; /* item currently selected in the menu */ + int x, y, w, h; /* menu geometry */ + int hasicon; /* whether the menu has item with icons */ + int drawn; /* whether the menu was already drawn */ + int maxtextw; /* maximum text width */ + int level; /* menu level relative to root */ + int overflow; /* whether the menu is higher than the monitor */ + Window win; /* menu window to map on the screen */ + XIC xic; /* input context */ +}; /* X stuff */ static Display *dpy; -static int screen; static Visual *visual; static Window rootwin; static Colormap colormap; +static XrmDatabase xdb; +static XClassHint classh; +static char *xrm; static struct DC dc; -static struct Monitor mon; static Atom utf8string; static Atom wmdelete; static Atom netatom[NetLast]; +static int screen; +static int depth; +static XIM xim; /* flags */ -static int fflag = 0; /* whether glyphs should align based on the first font */ -static int iflag = 0; /* whether to disable icons */ -static int mflag = 0; /* whether the user specified a monitor with -p */ -static int pflag = 0; /* whether the user specified a position with -p */ -static int wflag = 0; /* whether to let the window manager control XMenu */ +static int iflag = 0; /* whether to disable icons */ +static int rflag = 0; /* whether to disable right-click */ +static int mflag = 0; /* whether the user specified a monitor with -p */ +static int pflag = 0; /* whether the user specified a position with -p */ +static int wflag = 0; /* whether to let the window manager control XMenu */ +static int rootmodeflag = 0; /* wheter to run in root mode */ +static int passclickflag = 0; /* whether to pass click to root window */ +static int firsttime = 1; /* set to 0 after first run */ + +/* arguments */ +static unsigned int button = 0; /* button to trigger pmenu in root mode */ +static unsigned int modifier = 0; /* modifier to trigger pmenu */ + +/* icons paths */ +static char *iconstring = NULL; /* string read from getenv */ +static char *iconpaths[MAXPATHS]; /* paths to icon directories */ +static int niconpaths = 0; /* number of paths to icon directories */ /* include config variable */ #include "config.h" - -/* - * Function implementations - */ - -/* xmenu: generate menu from stdin and print selected entry to stdout */ -int -main(int argc, char *argv[]) +/* show usage */ +static void +usage(void) { - struct Menu *rootmenu; - XClassHint classh; - int ch; - - while ((ch = getopt(argc, argv, "fip:w")) != -1) { - switch (ch) { - case 'f': - fflag = 1; - break; - case 'i': - iflag = 1; - break; - case 'p': - pflag = 1; - parseposition(optarg); - break; - case 'w': - wflag = 1; - break; - default: - usage(); - break; - } - } - argc -= optind; - argv += optind; - if (argc > 1) - usage(); - - /* open connection to server and set X variables */ - if ((dpy = XOpenDisplay(NULL)) == NULL) - errx(1, "cannot open display"); - screen = DefaultScreen(dpy); - visual = DefaultVisual(dpy, screen); - rootwin = RootWindow(dpy, screen); - colormap = DefaultColormap(dpy, screen); - - /* imlib2 stuff */ - if (!iflag) { - imlib_set_cache_size(2048 * 1024); - imlib_context_set_dither(1); - imlib_context_set_display(dpy); - imlib_context_set_visual(visual); - imlib_context_set_colormap(colormap); - } - - /* initializers */ - initmonitor(); - initresources(); - initdc(); - initiconsize(); - initatoms(); + (void)fprintf(stderr, "usage: xmenu [-irw] [-p position] [(-x|-X) [modifier-]button] [title]\n"); + exit(1); +} - /* set window class */ - classh.res_class = PROGNAME; - if (argc == 1) - classh.res_name = *argv; - else - classh.res_name = PROGNAME; +/* maximum int */ +static int +max(int x, int y) +{ + return x > y ? x : y; +} - /* generate menus and set them up */ - rootmenu = parsestdin(); - if (rootmenu == NULL) - errx(1, "no menu generated"); - setupmenu(rootmenu, &classh); +/* minimum int */ +static int +min(int x, int y) +{ + return x < y ? x : y; +} - /* grab mouse and keyboard */ - if (!wflag) { - grabpointer(); - grabkeyboard(); - } +/* call malloc checking for error */ +static void * +emalloc(size_t size) +{ + void *p; - /* run event loop */ - run(rootmenu); + if ((p = malloc(size)) == NULL) + err(1, "malloc"); + return p; +} - /* freeing stuff */ - cleanmenu(rootmenu); - cleanup(); +/* call strdup checking for error */ +static char * +estrdup(const char *s) +{ + char *t; - return 0; + if ((t = strdup(s)) == NULL) + err(1, "strdup"); + return t; } -/* parse position string from -p, - * put results on config.posx, config.posy, and config.monitor */ +/* parse position string from -p, put results on config.posx, config.posy, and config.monitor */ static void parseposition(char *optarg) { @@ -237,7 +254,162 @@ error: errx(1, "improper position: %s", optarg); } -/* parse color string */ +/* get configuration from X resources */ +static void +getresources(void) +{ + char *type; + XrmValue xval; + + if (xrm == NULL || xdb == NULL) + return; + + if (XrmGetResource(xdb, "xmenu.borderWidth", "*", &type, &xval) == True) + GETNUM(config.border_pixels, xval.addr) + if (XrmGetResource(xdb, "xmenu.separatorWidth", "*", &type, &xval) == True) + GETNUM(config.separator_pixels, xval.addr) + if (XrmGetResource(xdb, "xmenu.height", "*", &type, &xval) == True) + GETNUM(config.height_pixels, xval.addr) + if (XrmGetResource(xdb, "xmenu.width", "*", &type, &xval) == True) + GETNUM(config.width_pixels, xval.addr) + if (XrmGetResource(xdb, "xmenu.gap", "*", &type, &xval) == True) + GETNUM(config.gap_pixels, xval.addr) + if (XrmGetResource(xdb, "xmenu.maxItems", "*", &type, &xval) == True) + GETNUM(config.max_items, xval.addr) + if (XrmGetResource(xdb, "xmenu.background", "*", &type, &xval) == True) + config.background_color = xval.addr; + if (XrmGetResource(xdb, "xmenu.foreground", "*", &type, &xval) == True) + config.foreground_color = xval.addr; + if (XrmGetResource(xdb, "xmenu.selbackground", "*", &type, &xval) == True) + config.selbackground_color = xval.addr; + if (XrmGetResource(xdb, "xmenu.selforeground", "*", &type, &xval) == True) + config.selforeground_color = xval.addr; + if (XrmGetResource(xdb, "xmenu.separator", "*", &type, &xval) == True) + config.separator_color = xval.addr; + if (XrmGetResource(xdb, "xmenu.border", "*", &type, &xval) == True) + config.border_color = xval.addr; + if (XrmGetResource(xdb, "xmenu.font", "*", &type, &xval) == True) + config.font = xval.addr; + if (XrmGetResource(xdb, "xmenu.alignment", "*", &type, &xval) == True) { + if (strcasecmp(xval.addr, "center") == 0) + config.alignment = CenterAlignment; + else if (strcasecmp(xval.addr, "left") == 0) + config.alignment = LeftAlignment; + else if (strcasecmp(xval.addr, "right") == 0) + config.alignment = RightAlignment; + } +} + +/* set button global variable */ +static void +setbutton(char *s) +{ + size_t len; + + if ((len = strlen(s)) < 1) + return; + switch (s[len-1]) { + case '1': button = Button1; break; + case '2': button = Button2; break; + case '3': button = Button3; break; + default: button = atoi(&s[len-1]); break; + } +} + +/* set modifier global variable */ +static void +setmodifier(char *s) +{ + size_t len; + + if ((len = strlen(s)) < 1) + return; + switch (s[len-1]) { + case '1': modifier = Mod1Mask; break; + case '2': modifier = Mod2Mask; break; + case '3': modifier = Mod3Mask; break; + case '4': modifier = Mod4Mask; break; + case '5': modifier = Mod5Mask; break; + default: + if (strcasecmp(s, "Alt") == 0) { + modifier = Mod1Mask; + } else if (strcasecmp(s, "Super") == 0) { + modifier = Mod4Mask; + } + break; + } +} + +/* parse icon path string */ +static void +parseiconpaths(char *s) +{ + if (s == NULL) + return; + free(iconstring); + iconstring = estrdup(s); + niconpaths = 0; + for (s = strtok(iconstring, ":"); s != NULL; s = strtok(NULL, ":")) { + if (niconpaths < MAXPATHS) { + iconpaths[niconpaths++] = s; + } + } +} + +/* get configuration from command-line options */ +static void +getoptions(int argc, char *argv[]) +{ + int ch; + char *s, *t; + + classh.res_class = CLASS; + classh.res_name = argv[0]; + if ((s = strrchr(argv[0], '/')) != NULL) + classh.res_name = s + 1; + parseiconpaths(getenv(ICONPATH)); + while ((ch = getopt(argc, argv, "ip:rwx:X:")) != -1) { + switch (ch) { + case 'i': + iflag = 1; + break; + case 'p': + pflag = 1; + parseposition(optarg); + break; + case 'r': + rflag = 1; + break; + case 'w': + wflag = 1; + break; + case 'X': + passclickflag = 1; + /* PASSTHROUGH */ + case 'x': + rootmodeflag = 1; + s = optarg; + setbutton(s); + if ((t = strchr(s, '-')) == NULL) + return; + *t = '\0'; + setmodifier(s); + break; + default: + usage(); + break; + } + } + if (rootmodeflag) + wflag = 0; + argc -= optind; + argv += optind; + if (argc != 0) + usage(); + return; +} + +/* parse font string */ static void parsefonts(const char *s) { @@ -260,14 +432,18 @@ parsefonts(const char *s) i = 0; while (isspace(*p)) p++; - while (*p != '\0' && *p != ',') { + while (i < sizeof buf && *p != '\0' && *p != ',') buf[i++] = *p++; - } + if (i >= sizeof buf) + errx(1, "font name too long"); if (*p == ',') p++; buf[i] = '\0'; + if (nfont == 0) + if ((dc.pattern = FcNameParse((FcChar8 *)buf)) == NULL) + errx(1, "the first font in the cache must be loaded from a font string"); if ((dc.fonts[nfont++] = XftFontOpenName(dpy, screen, buf)) == NULL) - errx(1, "cannot load font"); + errx(1, "could not load font"); } } @@ -276,12 +452,12 @@ static void ealloccolor(const char *s, XftColor *color) { if(!XftColorAllocName(dpy, visual, colormap, s, color)) - errx(1, "cannot allocate color: %s", s); + errx(1, "could not allocate color: %s", s); } /* query monitor information and cursor position */ static void -initmonitor(void) +getmonitor(struct Monitor *mon) { XineramaScreenInfo *info = NULL; Window dw; /* dummy variable */ @@ -293,14 +469,14 @@ initmonitor(void) XQueryPointer(dpy, rootwin, &dw, &dw, &cursx, &cursy, &di, &di, &du); - mon.x = mon.y = 0; - mon.w = DisplayWidth(dpy, screen); - mon.h = DisplayHeight(dpy, screen); + mon->x = mon->y = 0; + mon->w = DisplayWidth(dpy, screen); + mon->h = DisplayHeight(dpy, screen); if ((info = XineramaQueryScreens(dpy, &nmons)) != NULL) { int selmon = 0; - if (!mflag || (mflag && (config.monitor < 0 || config.monitor >= nmons))) { + if (!mflag || config.monitor < 0 || config.monitor >= nmons) { for (i = 0; i < nmons; i++) { if (BETWEEN(cursx, info[i].x_org, info[i].x_org + info[i].width) && BETWEEN(cursy, info[i].y_org, info[i].y_org + info[i].height)) { @@ -312,70 +488,23 @@ initmonitor(void) selmon = config.monitor; } - mon.x = info[selmon].x_org; - mon.y = info[selmon].y_org; - mon.w = info[selmon].width; - mon.h = info[selmon].height; + mon->x = info[selmon].x_org; + mon->y = info[selmon].y_org; + mon->w = info[selmon].width; + mon->h = info[selmon].height; + + XFree(info); } if (!pflag) { config.posx = cursx; config.posy = cursy; } else if (mflag) { - config.posx += mon.x; - config.posy += mon.y; + config.posx += mon->x; + config.posy += mon->y; } } -/* read xrdb for configuration options */ -static void -initresources(void) -{ - char *xrm; - long n; - char *type; - XrmDatabase xdb; - XrmValue xval; - - XrmInitialize(); - if ((xrm = XResourceManagerString(dpy)) == NULL) - return; - - xdb = XrmGetStringDatabase(xrm); - - if (XrmGetResource(xdb, "xmenu.borderWidth", "*", &type, &xval) == True) - if ((n = strtol(xval.addr, NULL, 10)) > 0) - config.border_pixels = n; - if (XrmGetResource(xdb, "xmenu.separatorWidth", "*", &type, &xval) == True) - if ((n = strtol(xval.addr, NULL, 10)) > 0) - config.separator_pixels = n; - if (XrmGetResource(xdb, "xmenu.height", "*", &type, &xval) == True) - if ((n = strtol(xval.addr, NULL, 10)) > 0) - config.height_pixels = n; - if (XrmGetResource(xdb, "xmenu.width", "*", &type, &xval) == True) - if ((n = strtol(xval.addr, NULL, 10)) > 0) - config.width_pixels = n; - if (XrmGetResource(xdb, "xmenu.gap", "*", &type, &xval) == True) - if ((n = strtol(xval.addr, NULL, 10)) > 0) - config.gap_pixels = n; - if (XrmGetResource(xdb, "xmenu.background", "*", &type, &xval) == True) - config.background_color = strdup(xval.addr); - if (XrmGetResource(xdb, "xmenu.foreground", "*", &type, &xval) == True) - config.foreground_color = strdup(xval.addr); - if (XrmGetResource(xdb, "xmenu.selbackground", "*", &type, &xval) == True) - config.selbackground_color = strdup(xval.addr); - if (XrmGetResource(xdb, "xmenu.selforeground", "*", &type, &xval) == True) - config.selforeground_color = strdup(xval.addr); - if (XrmGetResource(xdb, "xmenu.separator", "*", &type, &xval) == True) - config.separator_color = strdup(xval.addr); - if (XrmGetResource(xdb, "xmenu.border", "*", &type, &xval) == True) - config.border_color = strdup(xval.addr); - if (XrmGetResource(xdb, "xmenu.font", "*", &type, &xval) == True) - config.font = strdup(xval.addr); - - XrmDestroyDatabase(xdb); -} - /* init draw context */ static void initdc(void) @@ -419,26 +548,22 @@ allocitem(const char *label, const char *output, char *file) { struct Item *item; - if ((item = malloc(sizeof *item)) == NULL) - err(1, "malloc"); + item = emalloc(sizeof *item); if (label == NULL) { item->label = NULL; item->output = NULL; } else { - if ((item->label = strdup(label)) == NULL) - err(1, "strdup"); + item->label = estrdup(label); if (label == output) { item->output = item->label; } else { - if ((item->output = strdup(output)) == NULL) - err(1, "strdup"); + item->output = estrdup(output); } } if (file == NULL) { item->file = NULL; } else { - if ((item->file = strdup(file)) == NULL) - err(1, "strdup"); + item->file = estrdup(file); } item->y = 0; item->h = 0; @@ -451,24 +576,18 @@ allocitem(const char *label, const char *output, char *file) /* allocate a menu and create its window */ static struct Menu * -allocmenu(struct Menu *parent, struct Item *list, unsigned level) +allocmenu(struct Menu *parent, struct Item *list, int level) { XSetWindowAttributes swa; struct Menu *menu; - if ((menu = malloc(sizeof *menu)) == NULL) - err(1, "malloc"); - menu->parent = parent; - menu->list = list; - menu->caller = NULL; - menu->selected = NULL; - menu->w = 0; /* recalculated by setupmenu() */ - menu->h = 0; /* recalculated by setupmenu() */ - menu->x = mon.x; /* recalculated by setupmenu() */ - menu->y = mon.y; /* recalculated by setupmenu() */ - menu->level = level; - menu->drawn = 0; - menu->hasicon = 0; + menu = emalloc(sizeof *menu); + *menu = (struct Menu){ + .parent = parent, + .list = list, + .level = level, + .first = NULL, + }; swa.override_redirect = (wflag) ? False : True; swa.background_pixel = dc.normal[ColorBG].pixel; @@ -478,25 +597,30 @@ allocmenu(struct Menu *parent, struct Item *list, unsigned level) | PointerMotionMask | LeaveWindowMask; if (wflag) swa.event_mask |= StructureNotifyMask; - menu->win = XCreateWindow(dpy, rootwin, 0, 0, 1, 1, 0, + menu->win = XCreateWindow(dpy, rootwin, 0, 0, 1, 1, config.border_pixels, CopyFromParent, CopyFromParent, CopyFromParent, CWOverrideRedirect | CWBackPixel | CWBorderPixel | CWEventMask | CWSaveUnder, &swa); + menu->xic = XCreateIC(xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing, + XNClientWindow, menu->win, XNFocusWindow, menu->win, NULL); + if (menu->xic == NULL) + errx(1, "XCreateIC: could not obtain input method"); + return menu; } /* build the menu tree */ static struct Menu * -buildmenutree(unsigned level, const char *label, const char *output, char *file) +buildmenutree(int level, const char *label, const char *output, char *file) { static struct Menu *prevmenu = NULL; /* menu the previous item was added to */ static struct Menu *rootmenu = NULL; /* menu to be returned */ struct Item *curritem = NULL; /* item currently being read */ struct Item *item; /* dummy item for loops */ struct Menu *menu; /* dummy menu for loops */ - unsigned i; + int i; /* create the item */ curritem = allocitem(label, output, file); @@ -514,7 +638,7 @@ buildmenutree(unsigned level, const char *label, const char *output, char *file) menu = menu->parent, i++) ; if (menu == NULL) - errx(1, "reached NULL menu"); + errx(1, "improper indentation detected"); /* find last item in the new menu */ for (item = menu->list; item->next != NULL; item = item->next) @@ -537,6 +661,10 @@ buildmenutree(unsigned level, const char *label, const char *output, char *file) for (item = prevmenu->list; item->next != NULL; item = item->next) ; + /* a separator is no valid root for a submenu */ + if (!item->label) + errx(1, "a separator is no valid root for a submenu"); + prevmenu = menu; menu->caller = item; item->submenu = menu; @@ -556,7 +684,7 @@ parsestdin(void) struct Menu *rootmenu; char *s, buf[BUFSIZ]; char *file, *label, *output; - unsigned level = 0; + int level = 0; rootmenu = NULL; @@ -643,12 +771,49 @@ getnextutf8char(const char *s, const char **next_ret) static XftFont * getfontucode(FcChar32 ucode) { + FcCharSet *fccharset = NULL; + FcPattern *fcpattern = NULL; + FcPattern *match = NULL; + XftFont *retfont = NULL; + XftResult result; size_t i; for (i = 0; i < dc.nfonts; i++) if (XftCharExists(dpy, dc.fonts[i], ucode) == FcTrue) return dc.fonts[i]; - return NULL; + + /* create a charset containing our code point */ + fccharset = FcCharSetCreate(); + FcCharSetAddChar(fccharset, ucode); + + /* create a pattern akin to the dc.pattern but containing our charset */ + if (fccharset) { + fcpattern = FcPatternDuplicate(dc.pattern); + FcPatternAddCharSet(fcpattern, FC_CHARSET, fccharset); + } + + /* find pattern matching fcpattern */ + if (fcpattern) { + FcConfigSubstitute(NULL, fcpattern, FcMatchPattern); + FcDefaultSubstitute(fcpattern); + match = XftFontMatch(dpy, screen, fcpattern, &result); + } + + /* if found a pattern, open its font */ + if (match) { + retfont = XftFontOpenPattern(dpy, match); + if (retfont && XftCharExists(dpy, retfont, ucode) == FcTrue) { + if ((dc.fonts = realloc(dc.fonts, dc.nfonts+1)) == NULL) + err(1, "realloc"); + dc.fonts[dc.nfonts] = retfont; + return dc.fonts[dc.nfonts++]; + } else { + XftFontClose(dpy, retfont); + } + } + + /* in case no fount was found, return the first one */ + return dc.fonts[0]; } /* draw text into XftDraw, return width of text glyphs */ @@ -656,9 +821,6 @@ static int drawtext(XftDraw *draw, XftColor *color, int x, int y, unsigned h, const char *text) { int textwidth = 0; - int texty; - - texty = y + (h - (dc.fonts[0]->ascent + dc.fonts[0]->descent))/2 + dc.fonts[0]->ascent; while (*text) { XftFont *currfont; @@ -668,17 +830,16 @@ drawtext(XftDraw *draw, XftColor *color, int x, int y, unsigned h, const char *t size_t len; ucode = getnextutf8char(text, &next); - if ((currfont = getfontucode(ucode)) == NULL) - currfont = dc.fonts[0]; + currfont = getfontucode(ucode); len = next - text; - XftTextExtentsUtf8(dpy, currfont, (XftChar8 *)text, len, &ext); textwidth += ext.xOff; if (draw) { - if (!fflag) - texty = y + (h - (currfont->ascent + currfont->descent))/2 + currfont->ascent; + int texty; + + texty = y + (h - (currfont->ascent + currfont->descent))/2 + currfont->ascent; XftDrawStringUtf8(draw, color, currfont, x, texty, (XftChar8 *)text, len); x += ext.xOff; } @@ -691,32 +852,43 @@ drawtext(XftDraw *draw, XftColor *color, int x, int y, unsigned h, const char *t /* setup the height, width and icon of the items of a menu */ static void -setupitems(struct Menu *menu) +setupitems(struct Menu *menu, struct Monitor *mon) { + Pixmap pix; struct Item *item; + int itemwidth; + int menuh; + int maxh; + menu->first = menu->list; menu->w = config.width_pixels; + menu->maxtextw = 0; + menuh = 0; + maxh = config.max_items > 3 ? (2 + config.max_items) * config.height_pixels : mon->h; for (item = menu->list; item != NULL; item = item->next) { - int itemwidth; - int textwidth; - - item->y = menu->h; - + item->y = menuh; if (item->label == NULL) /* height for separator item */ item->h = config.separator_pixels; else item->h = config.height_pixels; - menu->h += item->h; - + menuh += item->h; + if (!menu->overflow) { + if (menu->h + config.height_pixels * 2 < maxh - config.border_pixels * 2) { + menu->h = menuh; + } else { + menu->overflow = 1; + menu->h += config.height_pixels * 2; + } + } if (item->label) - textwidth = drawtext(NULL, NULL, 0, 0, 0, item->label); + item->textw = drawtext(NULL, NULL, 0, 0, 0, item->label); else - textwidth = 0; + item->textw = 0; /* * set menu width * - * the item width depends on the size of its label (textwidth), + * the item width depends on the size of its label (item->textw), * and it is only used to calculate the width of the menu (which * is equal to the width of the largest item). * @@ -725,50 +897,81 @@ setupitems(struct Menu *menu) * if the iflag is set (icons are disabled) then the horizontal * padding appears 3 times: before the label and around the triangle. */ - itemwidth = textwidth + config.triangle_width + config.horzpadding * 3; + itemwidth = item->textw + config.triangle_width + config.horzpadding * 3; itemwidth += (iflag || !menu->hasicon) ? 0 : config.iconsize + config.horzpadding; - menu->w = MAX(menu->w, itemwidth); + menu->w = max(menu->w, itemwidth); + menu->maxtextw = max(menu->maxtextw, item->textw); + } + if (!menu->overflow) { + XSetWindowBackground(dpy, menu->win, dc.normal[ColorBG].pixel); + } else { + pix = XCreatePixmap(dpy, menu->win, menu->w, menu->h, depth); + XSetForeground(dpy, dc.gc, dc.normal[ColorBG].pixel); + XFillRectangle(dpy, pix, dc.gc, 0, 0, menu->w, menu->h); + XSetForeground(dpy, dc.gc, dc.normal[ColorFG].pixel); + XFillPolygon( + dpy, pix, dc.gc, + (XPoint []){ + {menu->w / 2 - 3, config.height_pixels / 2 + 2}, + {3, -4}, + {3, 4}, + {-6, 0}, + }, + 4, Convex, CoordModePrevious + ); + XFillPolygon( + dpy, pix, dc.gc, + (XPoint []){ + {menu->w / 2 - 3, menu->h - config.height_pixels / 2 - 2}, + {3, 4}, + {3, -4}, + {-6, 0}, + }, + 4, Convex, CoordModePrevious + ); + XSetWindowBackgroundPixmap(dpy, menu->win, pix); + XFreePixmap(dpy, pix); } } /* setup the position of a menu */ static void -setupmenupos(struct Menu *menu) +setupmenupos(struct Menu *menu, struct Monitor *mon) { int width, height; width = menu->w + config.border_pixels * 2; height = menu->h + config.border_pixels * 2; if (menu->parent == NULL) { /* if root menu, calculate in respect to cursor */ - if (pflag || (config.posx > mon.x && mon.x + mon.w - config.posx >= width)) + if (pflag || (config.posx >= mon->x && mon->x + mon->w - config.posx >= width)) menu->x = config.posx; else if (config.posx > width) menu->x = config.posx - width; - if (pflag || (config.posy > mon.y && mon.y + mon.h - config.posy >= height)) + if (pflag || (config.posy >= mon->y && mon->y + mon->h - config.posy >= height)) menu->y = config.posy; - else if (mon.y + mon.h > height) - menu->y = mon.y + mon.h - height; + else if (mon->y + mon->h > height) + menu->y = mon->y + mon->h - height; } else { /* else, calculate in respect to parent menu */ int parentwidth; parentwidth = menu->parent->x + menu->parent->w + config.border_pixels + config.gap_pixels; - if (mon.x + mon.w - parentwidth >= width) + if (mon->x + mon->w - parentwidth >= width) menu->x = parentwidth; else if (menu->parent->x > menu->w + config.border_pixels + config.gap_pixels) menu->x = menu->parent->x - menu->w - config.border_pixels - config.gap_pixels; - if (mon.y + mon.h - (menu->caller->y + menu->parent->y) >= height) + if (mon->y + mon->h - (menu->caller->y + menu->parent->y) >= height) menu->y = menu->caller->y + menu->parent->y; - else if (mon.y + mon.h > height) - menu->y = mon.y + mon.h - height; + else if (mon->y + mon->h > height) + menu->y = mon->y + mon->h - height; } } /* recursivelly setup menu configuration and its pixmap */ static void -setupmenu(struct Menu *menu, XClassHint *classh) +setupmenu(struct Menu *menu, struct Monitor *mon) { char *title; struct Item *item; @@ -777,43 +980,46 @@ setupmenu(struct Menu *menu, XClassHint *classh) XTextProperty wintitle; /* setup size and position of menus */ - setupitems(menu); - setupmenupos(menu); + setupitems(menu, mon); + setupmenupos(menu, mon); /* update menu geometry */ - changes.border_width = config.border_pixels; changes.height = menu->h; changes.width = menu->w; changes.x = menu->x; changes.y = menu->y; - XConfigureWindow(dpy, menu->win, CWBorderWidth | CWWidth | CWHeight | CWX | CWY, &changes); - - /* set window title (used if wflag is on) */ - if (menu->parent == NULL) { - title = classh->res_name; - } else { - title = menu->caller->output; + XConfigureWindow(dpy, menu->win, CWWidth | CWHeight | CWX | CWY, &changes); + + if (firsttime) { + /* set window title (used if wflag is on) */ + if (menu->parent == NULL) { + title = classh.res_name; + } else if (menu->caller->output) { + title = menu->caller->output; + } else { + title = "\0"; + } + XStringListToTextProperty(&title, 1, &wintitle); + + /* set window manager hints */ + sizeh.flags = USPosition | PMaxSize | PMinSize; + sizeh.min_width = sizeh.max_width = menu->w; + sizeh.min_height = sizeh.max_height = menu->h; + XSetWMProperties(dpy, menu->win, &wintitle, NULL, NULL, 0, &sizeh, NULL, &classh); + + /* set WM protocols and ewmh window properties */ + XSetWMProtocols(dpy, menu->win, &wmdelete, 1); + XChangeProperty(dpy, menu->win, netatom[NetWMName], utf8string, 8, + PropModeReplace, (unsigned char *)title, strlen(title)); + XChangeProperty(dpy, menu->win, netatom[NetWMWindowType], XA_ATOM, 32, + PropModeReplace, + (unsigned char *)&netatom[NetWMWindowTypePopupMenu], 1); } - XStringListToTextProperty(&title, 1, &wintitle); - - /* set window manager hints */ - sizeh.flags = USPosition | PMaxSize | PMinSize; - sizeh.min_width = sizeh.max_width = menu->w; - sizeh.min_height = sizeh.max_height = menu->h; - XSetWMProperties(dpy, menu->win, &wintitle, NULL, NULL, 0, &sizeh, NULL, classh); - - /* set WM protocols and ewmh window properties */ - XSetWMProtocols(dpy, menu->win, &wmdelete, 1); - XChangeProperty(dpy, menu->win, netatom[NetWMName], utf8string, 8, - PropModeReplace, (unsigned char *)title, strlen(title)); - XChangeProperty(dpy, menu->win, netatom[NetWMWindowType], XA_ATOM, 32, - PropModeReplace, - (unsigned char *)&netatom[NetWMWindowTypePopupMenu], 1); /* calculate positions of submenus */ for (item = menu->list; item != NULL; item = item->next) { if (item->submenu != NULL) - setupmenu(item->submenu, classh); + setupmenu(item->submenu, mon); } } @@ -831,7 +1037,7 @@ grabpointer(void) return; nanosleep(&ts, NULL); } - errx(1, "cannot grab keyboard"); + errx(1, "could not grab pointer"); } /* try to grab keyboard, we may have to wait for another process to ungrab */ @@ -847,7 +1053,40 @@ grabkeyboard(void) return; nanosleep(&ts, NULL); } - errx(1, "cannot grab keyboard"); + errx(1, "could not grab keyboard"); +} + +/* try to grab focus, we may have to wait for another process to ungrab */ +static void +grabfocus(Window win) +{ + struct timespec ts = { .tv_sec = 0, .tv_nsec = 10000000 }; + Window focuswin; + int i, revertwin; + + for (i = 0; i < 100; ++i) { + XGetInputFocus(dpy, &focuswin, &revertwin); + if (focuswin == win) + return; + XSetInputFocus(dpy, win, RevertToParent, CurrentTime); + nanosleep(&ts, NULL); + } + errx(1, "cannot grab focus"); +} + +/* ungrab pointer and keyboard */ +static void +ungrab(void) +{ + XUngrabPointer(dpy, CurrentTime); + XUngrabKeyboard(dpy, CurrentTime); +} + +/* check if path is absolute or relative to current directory */ +static int +isabsolute(const char *s) +{ + return s[0] == '/' || (s[0] == '.' && (s[1] == '/' || (s[1] == '.' && s[2] == '/'))); } /* load and scale icon */ @@ -855,19 +1094,74 @@ static Imlib_Image loadicon(const char *file) { Imlib_Image icon; + Imlib_Load_Error errcode; + char path[PATH_MAX]; + const char *errstr; int width; int height; int imgsize; + int i; - icon = imlib_load_image(file); - if (icon == NULL) - errx(1, "cannot load icon %s", file); + if (*file == '\0') { + warnx("could not load icon (file name is blank)"); + return NULL; + } + if (isabsolute(file)) + icon = imlib_load_image_with_error_return(file, &errcode); + else { + for (i = 0; i < niconpaths; i++) { + snprintf(path, sizeof(path), "%s/%s", iconpaths[i], file); + icon = imlib_load_image_with_error_return(path, &errcode); + if (icon != NULL || errcode != IMLIB_LOAD_ERROR_FILE_DOES_NOT_EXIST) { + break; + } + } + } + if (icon == NULL) { + switch (errcode) { + case IMLIB_LOAD_ERROR_FILE_DOES_NOT_EXIST: + errstr = "file does not exist"; + break; + case IMLIB_LOAD_ERROR_FILE_IS_DIRECTORY: + errstr = "file is directory"; + break; + case IMLIB_LOAD_ERROR_PERMISSION_DENIED_TO_READ: + case IMLIB_LOAD_ERROR_PERMISSION_DENIED_TO_WRITE: + errstr = "permission denied"; + break; + case IMLIB_LOAD_ERROR_NO_LOADER_FOR_FILE_FORMAT: + errstr = "unknown file format"; + break; + case IMLIB_LOAD_ERROR_PATH_TOO_LONG: + errstr = "path too long"; + break; + case IMLIB_LOAD_ERROR_PATH_COMPONENT_NON_EXISTANT: + case IMLIB_LOAD_ERROR_PATH_COMPONENT_NOT_DIRECTORY: + case IMLIB_LOAD_ERROR_PATH_POINTS_OUTSIDE_ADDRESS_SPACE: + errstr = "improper path"; + break; + case IMLIB_LOAD_ERROR_TOO_MANY_SYMBOLIC_LINKS: + errstr = "too many symbolic links"; + break; + case IMLIB_LOAD_ERROR_OUT_OF_MEMORY: + errstr = "out of memory"; + break; + case IMLIB_LOAD_ERROR_OUT_OF_FILE_DESCRIPTORS: + errstr = "out of file descriptors"; + break; + default: + errstr = "unknown error"; + break; + } + warnx("could not load icon (%s): %s", errstr, file); + return NULL; + } imlib_context_set_image(icon); width = imlib_image_get_width(); height = imlib_image_get_height(); - imgsize = MIN(width, height); + imgsize = min(width, height); icon = imlib_create_cropped_scaled_image(0, 0, imgsize, imgsize, config.iconsize, @@ -880,41 +1174,48 @@ loadicon(const char *file) static void drawitems(struct Menu *menu) { + XftDraw *dsel, *dunsel; struct Item *item; + int textx; + int x, y; for (item = menu->list; item != NULL; item = item->next) { - XftDraw *dsel, *dunsel; - int x, y; - - item->unsel = XCreatePixmap(dpy, menu->win, menu->w, item->h, - DefaultDepth(dpy, screen)); + item->unsel = XCreatePixmap(dpy, menu->win, menu->w, item->h, depth); XSetForeground(dpy, dc.gc, dc.normal[ColorBG].pixel); XFillRectangle(dpy, item->unsel, dc.gc, 0, 0, menu->w, item->h); if (item->label == NULL) { /* item is separator */ - y = item->h/2; + y = item->h / 2; XSetForeground(dpy, dc.gc, dc.separator.pixel); XDrawLine(dpy, item->unsel, dc.gc, config.horzpadding, y, menu->w - config.horzpadding, y); item->sel = item->unsel; } else { - - item->sel = XCreatePixmap(dpy, menu->win, menu->w, item->h, - DefaultDepth(dpy, screen)); + item->sel = XCreatePixmap(dpy, menu->win, menu->w, item->h, depth); XSetForeground(dpy, dc.gc, dc.selected[ColorBG].pixel); XFillRectangle(dpy, item->sel, dc.gc, 0, 0, menu->w, item->h); /* draw text */ - x = config.horzpadding; - x += (iflag || !menu->hasicon) ? 0 : config.horzpadding + config.iconsize; + textx = config.horzpadding; + textx += (iflag || !menu->hasicon) ? 0 : config.horzpadding + config.iconsize; + switch (config.alignment) { + case CenterAlignment: + textx += (menu->maxtextw - item->textw) / 2; + break; + case RightAlignment: + textx += menu->maxtextw - item->textw; + break; + default: + break; + } dsel = XftDrawCreate(dpy, item->sel, visual, colormap); dunsel = XftDrawCreate(dpy, item->unsel, visual, colormap); XSetForeground(dpy, dc.gc, dc.selected[ColorFG].pixel); - drawtext(dsel, &dc.selected[ColorFG], x, 0, item->h, item->label); + drawtext(dsel, &dc.selected[ColorFG], textx, 0, item->h, item->label); XSetForeground(dpy, dc.gc, dc.normal[ColorFG].pixel); - drawtext(dunsel, &dc.normal[ColorFG], x, 0, item->h, item->label); + drawtext(dunsel, &dc.normal[ColorFG], textx, 0, item->h, item->label); XftDrawDestroy(dsel); XftDrawDestroy(dunsel); @@ -938,15 +1239,21 @@ drawitems(struct Menu *menu) Convex, CoordModeOrigin); } - /* draw icon */ - if (item->file != NULL && !iflag) { + /* try to load icon */ + if (item->file && !iflag) { item->icon = loadicon(item->file); + free(item->file); + } + /* draw icon if properly loaded */ + if (item->icon) { imlib_context_set_image(item->icon); imlib_context_set_drawable(item->sel); imlib_render_image_on_drawable(config.horzpadding, config.iconpadding); imlib_context_set_drawable(item->unsel); imlib_render_image_on_drawable(config.horzpadding, config.iconpadding); + imlib_context_set_image(item->icon); + imlib_free_image(); } } } @@ -958,47 +1265,73 @@ drawmenus(struct Menu *currmenu) { struct Menu *menu; struct Item *item; + int y0, y; + int maxh; for (menu = currmenu; menu != NULL; menu = menu->parent) { if (!menu->drawn) { drawitems(menu); menu->drawn = 1; } - for (item = menu->list; item != NULL; item = item->next) { - if (item == menu->selected) - XCopyArea(dpy, item->sel, menu->win, dc.gc, 0, 0, - menu->w, item->h, 0, item->y); - else - XCopyArea(dpy, item->unsel, menu->win, dc.gc, 0, 0, - menu->w, item->h, 0, item->y); + if (menu->overflow && menu->selected != NULL) { + maxh = menu->h - config.height_pixels * 2; + while (menu->first->next != NULL && + menu->selected->y >= menu->first->y + maxh) { + menu->first = menu->first->next; + } + while (menu->first->prev != NULL && + menu->selected->y < menu->first->y) { + menu->first = menu->first->prev; + } + } + y = menu->first->y; + y0 = menu->overflow ? config.height_pixels : 0; + for (item = menu->first; item != NULL; item = item->next) { + if (menu->overflow && item->y - y + item->h > menu->h - config.height_pixels * 2) + break; + if (item == menu->selected) { + XCopyArea(dpy, item->sel, menu->win, dc.gc, 0, 0, menu->w, item->h, 0, y0 + item->y - y); + } else { + XCopyArea(dpy, item->unsel, menu->win, dc.gc, 0, 0, menu->w, item->h, 0, y0 + item->y - y); + } } } } -/* umap previous menus and map current menu and its parents */ +/* unmap current menu and its parents */ static void -mapmenu(struct Menu *currmenu) +unmapmenu(struct Menu *currmenu) +{ + struct Menu *menu; + + for (menu = currmenu; menu != NULL; menu = menu->parent) { + menu->selected = NULL; + XUnmapWindow(dpy, menu->win); + } +} + +/* umap previous menus and map current menu and its parents */ +static struct Menu * +mapmenu(struct Menu *currmenu, struct Menu *prevmenu, struct Monitor *mon) { - static struct Menu *prevmenu = NULL; struct Menu *menu, *menu_; struct Menu *lcamenu; /* lowest common ancestor menu */ - unsigned minlevel; /* level of the closest to root menu */ - unsigned maxlevel; /* level of the closest to root menu */ + int minlevel; /* level of the closest to root menu */ + int maxlevel; /* level of the closest to root menu */ /* do not remap current menu if it wasn't updated*/ if (prevmenu == currmenu) - return; + goto done; /* if this is the first time mapping, skip calculations */ if (prevmenu == NULL) { XMapWindow(dpy, currmenu->win); - prevmenu = currmenu; - return; + goto done; } /* find lowest common ancestor menu */ - minlevel = MIN(currmenu->level, prevmenu->level); - maxlevel = MAX(currmenu->level, prevmenu->level); + minlevel = min(currmenu->level, prevmenu->level); + maxlevel = max(currmenu->level, prevmenu->level); if (currmenu->level == maxlevel) { menu = currmenu; menu_ = prevmenu; @@ -1022,16 +1355,16 @@ mapmenu(struct Menu *currmenu) /* map menus from currmenu (inclusive) until lcamenu (exclusive) */ for (menu = currmenu; menu != lcamenu; menu = menu->parent) { - if (wflag) { - setupmenupos(menu); + setupmenupos(menu, mon); XMoveWindow(dpy, menu->win, menu->x, menu->y); } - XMapWindow(dpy, menu->win); } - prevmenu = currmenu; + grabfocus(currmenu->win); +done: + return currmenu; } /* get menu of given window */ @@ -1047,155 +1380,400 @@ getmenu(struct Menu *currmenu, Window win) return NULL; } -/* get item of given menu and position */ -static struct Item * -getitem(struct Menu *menu, int y) +/* get in *ret the item in given menu and position; return 1 if position is on a scroll triangle */ +static int +getitem(struct Menu *menu, struct Item **ret, int y) { struct Item *item; + int y0; + *ret = NULL; if (menu == NULL) - return NULL; - - for (item = menu->list; item != NULL; item = item->next) - if (y >= item->y && y <= item->y + item->h) - return item; - - return NULL; + return 0; + if (menu->overflow) { + if (y < config.height_pixels) { + *ret = menu->first->prev; + return 1; + } else if (y > menu->h - config.height_pixels) { + y0 = menu->overflow ? config.height_pixels : 0; + y = menu->h - y0 + menu->first->y; + for (item = menu->first; item != NULL; item = item->next) + if (y >= item->y && y <= item->y + item->h) + break; + if (item != NULL) + *ret = menu->first->next; + return 1; + } + } + y0 = menu->overflow ? config.height_pixels : 0; + y -= y0 - menu->first->y; + for (item = menu->first; item != NULL; item = item->next) { + if (y >= item->y && y <= item->y + item->h) { + *ret = item; + break; + } + } + return 0; } /* cycle through the items; non-zero direction is next, zero is prev */ static struct Item * itemcycle(struct Menu *currmenu, int direction) { - struct Item *item; + struct Item *item = NULL; struct Item *lastitem; - item = NULL; + for (lastitem = currmenu->list; lastitem && lastitem->next; lastitem = lastitem->next) + ; - if (direction == ITEMNEXT) { + /* select item (either separator or labeled item) in given direction */ + switch (direction) { + case ITEMNEXT: if (currmenu->selected == NULL) item = currmenu->list; else if (currmenu->selected->next != NULL) item = currmenu->selected->next; - - while (item != NULL && item->label == NULL) - item = item->next; - - if (item == NULL) - item = currmenu->list; - } else { - for (lastitem = currmenu->list; - lastitem != NULL && lastitem->next != NULL; - lastitem = lastitem->next) - ; - + break; + case ITEMPREV: if (currmenu->selected == NULL) item = lastitem; else if (currmenu->selected->prev != NULL) item = currmenu->selected->prev; + break; + case ITEMFIRST: + item = currmenu->list; + break; + case ITEMLAST: + item = lastitem; + break; + } + /* + * the selected item can be a separator + * let's select the closest labeled item (ie., one that isn't a separator) + */ + switch (direction) { + case ITEMNEXT: + case ITEMFIRST: + while (item != NULL && item->label == NULL) + item = item->next; + if (item == NULL) + item = currmenu->list; + break; + case ITEMPREV: + case ITEMLAST: while (item != NULL && item->label == NULL) item = item->prev; - if (item == NULL) item = lastitem; + break; } return item; } +/* check if button is used to scroll */ +static int +isscrollbutton(unsigned int button) +{ + if (button == Button4 || button == Button5) + return 1; + return 0; +} + +/* check if button is used to open a item on click */ +static int +isclickbutton(unsigned int button) +{ + if (button == Button1 || button == Button2) + return 1; + if (!rflag && button == Button3) + return 1; + return 0; +} + +/* warp pointer to center of selected item */ +static void +warppointer(struct Menu *menu, struct Item *item) +{ + if (menu == NULL || item == NULL) + return; + if (menu->selected) { + XWarpPointer(dpy, None, menu->win, 0, 0, 0, 0, menu->w / 2, item->y + item->h / 2); + } +} + +/* append buf into text */ +static int +append(char *text, char *buf, size_t textsize, size_t buflen) +{ + size_t textlen; + + textlen = strlen(text); + if (iscntrl(*buf)) + return 0; + if (textlen + buflen > textsize - 1) + return 0; + if (buflen < 1) + return 0; + memcpy(text + textlen, buf, buflen); + text[textlen + buflen] = '\0'; + return 1; +} + +/* get item in menu matching text from given direction (or from beginning, if dir = 0) */ +static struct Item * +matchitem(struct Menu *menu, char *text, int dir) +{ + struct Item *item, *lastitem; + char *s; + size_t textlen; + + for (lastitem = menu->list; lastitem && lastitem->next; lastitem = lastitem->next) + ; + textlen = strlen(text); + if (dir < 0) { + if (menu->selected && menu->selected->prev) + item = menu->selected->prev; + else + item = lastitem; + } else if (dir > 0) { + if (menu->selected && menu->selected->next) + item = menu->selected->next; + else + item = menu->list; + } else { + item = menu->list; + } + /* find next item from selected item */ + for ( ; item; item = (dir < 0) ? item->prev : item->next) + for (s = item->label; s && *s; s++) + if (strncasecmp(s, text, textlen) == 0) + return item; + /* if not found, try to find from the beginning/end of list */ + if (dir > 0) { + for (item = menu->list ; item; item = item->next) { + for (s = item->label; s && *s; s++) { + if (strncasecmp(s, text, textlen) == 0) { + return item; + } + } + } + } else { + for (item = lastitem ; item; item = item->prev) { + for (s = item->label; s && *s; s++) { + if (strncasecmp(s, text, textlen) == 0) { + return item; + } + } + } + } + return NULL; +} + +/* check keysyms defined on config.h */ +static KeySym +normalizeksym(KeySym ksym) +{ + if (ksym == KSYMFIRST) + return XK_Home; + if (ksym == KSYMLAST) + return XK_End; + if (ksym == KSYMUP) + return XK_Up; + if (ksym == KSYMDOWN) + return XK_Down; + if (ksym == KSYMLEFT) + return XK_Left; + if (ksym == KSYMRIGHT) + return XK_Right; + return ksym; +} + /* run event loop */ static void -run(struct Menu *currmenu) +run(struct Menu *currmenu, struct Monitor *mon) { - struct Menu *menu; + char text[BUFSIZ]; + char buf[32]; + struct Menu *menu, *prevmenu; struct Item *item; struct Item *previtem = NULL; + struct Item *lastitem, *select; KeySym ksym; + Status status; XEvent ev; + int warped = 0; + int action; + int len; + int i; - mapmenu(currmenu); - + text[0] = '\0'; + prevmenu = currmenu; while (!XNextEvent(dpy, &ev)) { + if (XFilterEvent(&ev, None)) + continue; + action = ACTION_NOP; switch(ev.type) { case Expose: if (ev.xexpose.count == 0) - drawmenus(currmenu); + action = ACTION_DRAW; break; case MotionNotify: - menu = getmenu(currmenu, ev.xbutton.window); - item = getitem(menu, ev.xbutton.y); - if (menu == NULL || item == NULL || previtem == item) - break; - previtem = item; - menu->selected = item; - if (item->submenu != NULL) { - currmenu = item->submenu; - currmenu->selected = NULL; - } else { - currmenu = menu; + if (!warped) { + menu = getmenu(currmenu, ev.xbutton.window); + if (getitem(menu, &item, ev.xbutton.y)) + break; + if (menu == NULL || item == NULL || previtem == item) + break; + previtem = item; + select = menu->selected = item; + if (item->submenu != NULL) { + currmenu = item->submenu; + select = NULL; + } else { + currmenu = menu; + } + action = ACTION_CLEAR | ACTION_SELECT | ACTION_MAP | ACTION_DRAW; } - mapmenu(currmenu); - drawmenus(currmenu); + warped = 0; break; case ButtonRelease: - menu = getmenu(currmenu, ev.xbutton.window); - item = getitem(menu, ev.xbutton.y); - if (menu == NULL || item == NULL) - break; -selectitem: - if (item->label == NULL) - break; /* ignore separators */ - if (item->submenu != NULL) { - currmenu = item->submenu; - } else { - printf("%s\n", item->output); - return; + if (isscrollbutton(ev.xbutton.button)) { + if (ev.xbutton.button == Button4) + select = itemcycle(currmenu, ITEMPREV); + else + select = itemcycle(currmenu, ITEMNEXT); + action = ACTION_CLEAR | ACTION_SELECT | ACTION_DRAW | ACTION_WARP; + } else if (isclickbutton(ev.xbutton.button)) { + menu = getmenu(currmenu, ev.xbutton.window); + if (getitem(menu, &item, ev.xbutton.y) && item != NULL) { + select = NULL; + menu->first = item; + action = ACTION_CLEAR | ACTION_SELECT | ACTION_MAP | ACTION_DRAW; + break; + } + if (menu == NULL || item == NULL) + break; +enteritem: + if (item->label == NULL) + break; /* ignore separators */ + if (item->submenu != NULL) { + currmenu = item->submenu; + } else { + printf("%s\n", item->output); + goto done; + } + select = currmenu->list; + action = ACTION_CLEAR | ACTION_SELECT | ACTION_MAP | ACTION_DRAW; + if (ev.xbutton.button == Button2) { + action |= ACTION_WARP; + } } - mapmenu(currmenu); - currmenu->selected = currmenu->list; - drawmenus(currmenu); break; case ButtonPress: menu = getmenu(currmenu, ev.xbutton.window); if (menu == NULL) - return; + goto done; break; case KeyPress: - ksym = XkbKeycodeToKeysym(dpy, ev.xkey.keycode, 0, 0); + len = XmbLookupString(currmenu->xic, &ev.xkey, buf, sizeof buf, &ksym, &status); + switch(status) { + default: /* XLookupNone, XBufferOverflow */ + continue; + case XLookupChars: + goto append; + case XLookupKeySym: /* FALLTHROUGH */ + case XLookupBoth: + break; + } /* esc closes xmenu when current menu is the root menu */ if (ksym == XK_Escape && currmenu->parent == NULL) - return; + goto done; /* Shift-Tab = ISO_Left_Tab */ if (ksym == XK_Tab && (ev.xkey.state & ShiftMask)) ksym = XK_ISO_Left_Tab; /* cycle through menu */ - item = NULL; - if (ksym == XK_ISO_Left_Tab || ksym == XK_Up) { - item = itemcycle(currmenu, ITEMPREV); - } else if (ksym == XK_Tab || ksym == XK_Down) { - item = itemcycle(currmenu, ITEMNEXT); - } else if ((ksym == XK_Return || ksym == XK_Right) && - currmenu->selected != NULL) { - item = currmenu->selected; - goto selectitem; - } else if ((ksym == XK_Escape || ksym == XK_Left) && - currmenu->parent != NULL) { - item = currmenu->parent->selected; - currmenu = currmenu->parent; - mapmenu(currmenu); - } else + select = NULL; + ksym = normalizeksym(ksym); + switch (ksym) { + case XK_Home: + select = itemcycle(currmenu, ITEMFIRST); + action = ACTION_CLEAR | ACTION_SELECT | ACTION_DRAW; break; - currmenu->selected = item; - drawmenus(currmenu); + case XK_End: + select = itemcycle(currmenu, ITEMLAST); + action = ACTION_CLEAR | ACTION_SELECT | ACTION_DRAW; + break; + case XK_ISO_Left_Tab: + if (*text) { + select = matchitem(currmenu, text, -1); + action = ACTION_SELECT | ACTION_DRAW; + break; + } + /* FALLTHROUGH */ + case XK_Up: + select = itemcycle(currmenu, ITEMPREV); + action = ACTION_CLEAR | ACTION_SELECT | ACTION_DRAW; + break; + case XK_Tab: + if (*text) { + select = matchitem(currmenu, text, 1); + action = ACTION_SELECT | ACTION_DRAW; + break; + } + /* FALLTHROUGH */ + case XK_Down: + select = itemcycle(currmenu, ITEMNEXT); + action = ACTION_CLEAR | ACTION_SELECT | ACTION_DRAW; + break; + case XK_1: case XK_2: case XK_3: case XK_4: case XK_5: case XK_6: case XK_7: case XK_8: case XK_9: + item = itemcycle(currmenu, ITEMFIRST); + lastitem = itemcycle(currmenu, ITEMLAST); + for (int i = ksym - XK_1; i > 0 && item != lastitem; i--) { + currmenu->selected = item; + item = itemcycle(currmenu, ITEMNEXT); + } + select = item; + action = ACTION_CLEAR | ACTION_SELECT | ACTION_DRAW; + break; + case XK_Return: case XK_Right: + if (currmenu->selected) { + item = currmenu->selected; + goto enteritem; + } + break; + case XK_Escape: case XK_Left: + if (currmenu->parent) { + select = currmenu->parent->selected; + currmenu = currmenu->parent; + action = ACTION_CLEAR | ACTION_MAP | ACTION_SELECT | ACTION_DRAW; + } + break; + case XK_BackSpace: case XK_Clear: case XK_Delete: + action = ACTION_CLEAR | ACTION_SELECT | ACTION_DRAW; + break; + default: +append: + if (*buf == '\0' || iscntrl(*buf)) + break; + for (i = 0; i < 2; i++) { + append(text, buf, sizeof text, len); + if ((select = matchitem(currmenu, text, 0))) + break; + text[0] = '\0'; + } + action = ACTION_SELECT | ACTION_DRAW; + break; + } break; case LeaveNotify: previtem = NULL; - currmenu->selected = NULL; - drawmenus(currmenu); + select = NULL; + action = ACTION_CLEAR | ACTION_SELECT | ACTION_DRAW; break; case ConfigureNotify: menu = getmenu(currmenu, ev.xconfigure.window); @@ -1205,17 +1783,32 @@ selectitem: menu->y = ev.xconfigure.y; break; case ClientMessage: - if ((unsigned long) ev.xclient.data.l[0] != wmdelete) + if ((unsigned long)ev.xclient.data.l[0] != wmdelete) break; /* user closed window */ menu = getmenu(currmenu, ev.xclient.window); if (menu->parent == NULL) - return; /* closing the root menu closes the program */ + goto done; /* closing the root menu closes the program */ currmenu = menu->parent; - mapmenu(currmenu); + action = ACTION_MAP; break; } + if (action & ACTION_CLEAR) + text[0] = '\0'; + if (action & ACTION_SELECT) + currmenu->selected = select; + if (action & ACTION_MAP) + prevmenu = mapmenu(currmenu, prevmenu, mon); + if (action & ACTION_DRAW) + drawmenus(currmenu); + if (action & ACTION_WARP) { + warppointer(currmenu, select); + warped = 1; + } } +done: + unmapmenu(currmenu); + ungrab(); } /* recursivelly free pixmaps and destroy windows */ @@ -1238,13 +1831,6 @@ cleanmenu(struct Menu *menu) if (tmp->label != tmp->output) free(tmp->label); free(tmp->output); - if (tmp->file != NULL) { - free(tmp->file); - if (tmp->icon != NULL) { - imlib_context_set_image(tmp->icon); - imlib_free_image(); - } - } item = item->next; free(tmp); } @@ -1253,33 +1839,105 @@ cleanmenu(struct Menu *menu) free(menu); } -/* cleanup X and exit */ +/* cleanup draw context */ static void -cleanup(void) +cleandc(void) { size_t i; - XUngrabPointer(dpy, CurrentTime); - XUngrabKeyboard(dpy, CurrentTime); - XftColorFree(dpy, visual, colormap, &dc.normal[ColorBG]); XftColorFree(dpy, visual, colormap, &dc.normal[ColorFG]); XftColorFree(dpy, visual, colormap, &dc.selected[ColorBG]); XftColorFree(dpy, visual, colormap, &dc.selected[ColorFG]); XftColorFree(dpy, visual, colormap, &dc.separator); XftColorFree(dpy, visual, colormap, &dc.border); - for (i = 0; i < dc.nfonts; i++) XftFontClose(dpy, dc.fonts[i]); - XFreeGC(dpy, dc.gc); - XCloseDisplay(dpy); } -/* show usage */ -static void -usage(void) +/* xmenu: generate menu from stdin and print selected entry to stdout */ +int +main(int argc, char *argv[]) { - (void)fprintf(stderr, "usage: xmenu [-fiw] [-p position] [title]\n"); - exit(1); + struct Monitor mon; + struct Menu *rootmenu; + XEvent ev; + + /* open connection to server and set X variables */ + if (!setlocale(LC_CTYPE, "") || !XSupportsLocale()) + warnx("warning: no locale support"); + if ((dpy = XOpenDisplay(NULL)) == NULL) + errx(1, "could not open display"); + screen = DefaultScreen(dpy); + visual = DefaultVisual(dpy, screen); + rootwin = RootWindow(dpy, screen); + colormap = DefaultColormap(dpy, screen); + depth = DefaultDepth(dpy, screen); + XrmInitialize(); + if ((xrm = XResourceManagerString(dpy)) != NULL) + xdb = XrmGetStringDatabase(xrm); + if ((xim = XOpenIM(dpy, NULL, NULL, NULL)) == NULL) + errx(1, "XOpenIM: could not open input device"); + + /* process configuration and window class */ + getresources(); + getoptions(argc, argv); + + /* imlib2 stuff */ + if (!iflag) { + imlib_set_cache_size(2048 * 1024); + imlib_context_set_dither(1); + imlib_context_set_display(dpy); + imlib_context_set_visual(visual); + imlib_context_set_colormap(colormap); + } + + /* initializers */ + initdc(); + initiconsize(); + initatoms(); + + /* if running in root mode, get button presses from root window */ + if (rootmodeflag) + XGrabButton(dpy, button, AnyModifier, rootwin, False, ButtonPressMask, GrabModeSync, GrabModeSync, None, None); + + /* generate menus */ + rootmenu = parsestdin(); + if (rootmenu == NULL) + errx(1, "no menu generated"); + + /* run event loop */ + do { + if (rootmodeflag) + XNextEvent(dpy, &ev); + if (!rootmodeflag || + (ev.type == ButtonPress && + ((modifier != 0 && (ev.xbutton.state & modifier)) || + (ev.xbutton.subwindow == None)))) { + if (rootmodeflag && passclickflag) { + XAllowEvents(dpy, ReplayPointer, CurrentTime); + } + getmonitor(&mon); + if (!wflag) { + grabpointer(); + grabkeyboard(); + } + setupmenu(rootmenu, &mon); + mapmenu(rootmenu, NULL, &mon); + XFlush(dpy); + run(rootmenu, &mon); + firsttime = 0; + } else { + XAllowEvents(dpy, ReplayPointer, CurrentTime); + } + } while (rootmodeflag); + + /* clean stuff */ + cleanmenu(rootmenu); + cleandc(); + XrmDestroyDatabase(xdb); + XCloseDisplay(dpy); + + return 0; }