X-Git-Url: http://git.subgeniuskitty.com/xmenu/.git/blobdiff_plain/a80fee227ad7cc2a74b7141870c67b7b1fca7076..1b566a90545f0adfcb4b36a729b0f4ab4f0afefb:/xmenu.c diff --git a/xmenu.c b/xmenu.c index 71c1149..51412b3 100644 --- a/xmenu.c +++ b/xmenu.c @@ -1,216 +1,310 @@ +#include #include +#include #include #include #include +#include +#include #include #include +#include #include - -/* macros */ -#define LEN(x) (sizeof (x) / sizeof (x[0])) - -/* color enum */ -enum {ColorFG, ColorBG, ColorLast}; - -/* draw context structure */ -struct DC { - unsigned long unpressed[ColorLast]; - unsigned long pressed[ColorLast]; - unsigned long decoration[ColorLast]; - - Drawable d; - GC gc; - XFontStruct *font; - int fonth; -}; - -/* menu geometry structure */ -struct Geometry { - int itemb; /* item border */ - int itemw; /* item width */ - int itemh; /* item height */ - int border; /* window border width */ - int separator; /* menu separator width */ -}; - -/* screen geometry structure */ -struct ScreenGeometry { - int cursx, cursy; /* cursor position */ - int screenw, screenh; /* screen width and height */ -}; - -/* menu item structure */ -struct Item { - char *label; - char *output; - int y; /* only y is necessary, item's x is always 0 relative to the menu*/ - struct Item *next; - struct Menu *submenu; -}; - -/* menu structure */ -struct Menu { - struct Menu *parent; - struct Item *list; - struct Item *selected; - int x, y, w, h; - unsigned level; - Window win; -}; - -/* function declarations */ -static unsigned long getcolor(const char *s); -static void setupdc(void); -static void setupgeom(void); -static void setupgrab(void); -static struct Item *allocitem(const char *label, const char *output); -static struct Menu *allocmenu(struct Menu *parent, struct Item *list, unsigned level); -static void getmenuitem(Window win, int y, - struct Menu **menu_ret, struct Item **item_ret); -static void drawmenu(void); -static void calcscreengeom(void); -static void calcmenu(struct Menu *menu); -static void setcurrmenu(struct Menu *currmenu_new); -static void parsestdin(void); -static void run(void); -static void cleanupexit(void); -static void usage(void); - -/* X variables */ -static Colormap colormap; +#include +#include +#include +#include +#include +#include "xmenu.h" + +/* X stuff */ static Display *dpy; -static Window rootwin; static int screen; +static Visual *visual; +static Window rootwin; +static Colormap colormap; static struct DC dc; +static struct Monitor mon; +static Atom utf8string; +static Atom wmdelete; +static Atom netatom[NetLast]; + +/* flags */ +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 */ + +/* include config variable */ +#include "config.h" -/* menu variables */ -static struct Menu *rootmenu = NULL; -static struct Menu *currmenu = NULL; +/* show usage */ +static void +usage(void) +{ + (void)fprintf(stderr, "usage: xmenu [-iw] [-p position] [title]\n"); + exit(1); +} -/* geometry variables */ -static struct Geometry geom; -static struct ScreenGeometry screengeom; +/* parse position string from -p, + * put results on config.posx, config.posy, and config.monitor */ +static void +parseposition(char *optarg) +{ + long n; + char *s = optarg; + char *endp; + + n = strtol(s, &endp, 10); + if (errno == ERANGE || n > INT_MAX || n < 0 || endp == s || *endp != 'x') + goto error; + config.posx = n; + s = endp+1; + n = strtol(s, &endp, 10); + if (errno == ERANGE || n > INT_MAX || n < 0 || endp == s) + goto error; + config.posy = n; + if (*endp == ':') { + s = endp+1; + mflag = 1; + if (strncasecmp(s, "CUR", 3) == 0) { + config.monitor = -1; + endp = s+3; + } else { + n = strtol(s, &endp, 10); + if (errno == ERANGE || n > INT_MAX || n < 0 || endp == s || *endp != '\0') + goto error; + config.monitor = n; + } + } else if (*endp != '\0') { + goto error; + } -/* flag variables */ -static Bool override_redirect = True; + return; -#include "config.h" +error: + errx(1, "improper position: %s", optarg); +} -int -main(int argc, char *argv[]) +/* parse font string */ +static void +parsefonts(const char *s) { - int ch; - - while ((ch = getopt(argc, argv, "w")) != -1) { - switch (ch) { - case 'w': - override_redirect = False; - break; - default: - usage(); - break; - } + const char *p; + char buf[1024]; + size_t nfont = 0; + + dc.nfonts = 1; + for (p = s; *p; p++) + if (*p == ',') + dc.nfonts++; + + if ((dc.fonts = calloc(dc.nfonts, sizeof *dc.fonts)) == NULL) + err(1, "calloc"); + + p = s; + while (*p != '\0') { + size_t i; + + i = 0; + while (isspace(*p)) + 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, "could not load font"); } - argc -= optind; - argv += optind; +} - /* open connection to server and set X variables */ - if ((dpy = XOpenDisplay(NULL)) == NULL) - errx(1, "cannot open display"); - screen = DefaultScreen(dpy); - rootwin = RootWindow(dpy, screen); - colormap = DefaultColormap(dpy, screen); +/* get color from color string */ +static void +ealloccolor(const char *s, XftColor *color) +{ + if(!XftColorAllocName(dpy, visual, colormap, s, color)) + errx(1, "could not allocate color: %s", s); +} - /* setup */ - setupdc(); - setupgeom(); - setupgrab(); +/* query monitor information and cursor position */ +static void +initmonitor(void) +{ + XineramaScreenInfo *info = NULL; + Window dw; /* dummy variable */ + int di; /* dummy variable */ + unsigned du; /* dummy variable */ + int cursx, cursy; /* cursor position */ + int nmons; + int i; + + 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); + + if ((info = XineramaQueryScreens(dpy, &nmons)) != NULL) { + int selmon = 0; + + 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)) { + selmon = i; + break; + } + } + } else { + selmon = config.monitor; + } - /* generate menus and recalculate them */ - parsestdin(); - if (rootmenu == NULL) - errx(1, "no menu generated"); - calcscreengeom(); - calcmenu(rootmenu); + mon.x = info[selmon].x_org; + mon.y = info[selmon].y_org; + mon.w = info[selmon].width; + mon.h = info[selmon].height; - /* run event loop */ - run(); + XFree(info); + } - return 1; /* UNREACHABLE */ + if (!pflag) { + config.posx = cursx; + config.posy = cursy; + } else if (mflag) { + config.posx += mon.x; + config.posy += mon.y; + } } -/* get color from color string */ -static unsigned long -getcolor(const char *s) +/* read xrdb for configuration options */ +static void +initresources(void) { - XColor color; + long n; + char *type; + char *xrm; + XrmDatabase xdb; + XrmValue xval; + + XrmInitialize(); + if ((xrm = XResourceManagerString(dpy)) == NULL) + return; - if(!XAllocNamedColor(dpy, colormap, s, &color, &color)) - errx(1, "cannot allocate color: %s", s); - return color.pixel; + 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 -setupdc(void) +initdc(void) { /* get color pixels */ - dc.unpressed[ColorBG] = getcolor(UNPRESSEDBG); - dc.unpressed[ColorFG] = getcolor(UNPRESSEDFG); - dc.pressed[ColorBG] = getcolor(PRESSEDBG); - dc.pressed[ColorFG] = getcolor(PRESSEDFG); - dc.decoration[ColorBG] = getcolor(DECORATIONBG); - dc.decoration[ColorFG] = getcolor(DECORATIONFG); - - /* try to get font */ - if ((dc.font = XLoadQueryFont(dpy, FONT)) == NULL) - errx(1, "cannot load font"); - dc.fonth = dc.font->ascent + dc.font->descent; - - /* create GC and set its font */ + ealloccolor(config.background_color, &dc.normal[ColorBG]); + ealloccolor(config.foreground_color, &dc.normal[ColorFG]); + ealloccolor(config.selbackground_color, &dc.selected[ColorBG]); + ealloccolor(config.selforeground_color, &dc.selected[ColorFG]); + ealloccolor(config.separator_color, &dc.separator); + ealloccolor(config.border_color, &dc.border); + + /* parse fonts */ + parsefonts(config.font); + + /* create common GC */ dc.gc = XCreateGC(dpy, rootwin, 0, NULL); - XSetFont(dpy, dc.gc, dc.font->fid); } -/* init menu geometry values */ +/* calculate icon size */ static void -setupgeom(void) +initiconsize(void) { - geom.itemb = ITEMB; - geom.itemh = dc.fonth + ITEMB * 2; - geom.itemw = ITEMW; - geom.border = BORDER; - geom.separator = SEPARATOR; + config.iconsize = config.height_pixels - config.iconpadding * 2; } -/* grab pointer */ +/* intern atoms */ static void -setupgrab(void) +initatoms(void) { - XGrabPointer(dpy, rootwin, True, ButtonPressMask | ButtonReleaseMask, - GrabModeAsync, GrabModeAsync, None, None, CurrentTime); + utf8string = XInternAtom(dpy, "UTF8_STRING", False); + wmdelete = XInternAtom(dpy, "WM_DELETE_WINDOW", False); + netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False); + netatom[NetWMWindowType] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE", False); + netatom[NetWMWindowTypePopupMenu] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE_POPUP_MENU", False); } /* allocate an item */ static struct Item * -allocitem(const char *label, const char *output) +allocitem(const char *label, const char *output, char *file) { struct Item *item; if ((item = malloc(sizeof *item)) == NULL) err(1, "malloc"); - if ((item->label = strdup(label)) == NULL) - err(1, "strdup"); - if ((item->output = strdup(output)) == NULL) - err(1, "strdup"); + if (label == NULL) { + item->label = NULL; + item->output = NULL; + } else { + if ((item->label = strdup(label)) == NULL) + err(1, "strdup"); + if (label == output) { + item->output = item->label; + } else { + if ((item->output = strdup(output)) == NULL) + err(1, "strdup"); + } + } + if (file == NULL) { + item->file = NULL; + } else { + if ((item->file = strdup(file)) == NULL) + err(1, "strdup"); + } item->y = 0; + item->h = 0; item->next = NULL; item->submenu = NULL; + item->icon = NULL; return item; } -/* allocate a menu */ +/* allocate a menu and create its window */ static struct Menu * allocmenu(struct Menu *parent, struct Item *list, unsigned level) { @@ -221,339 +315,1003 @@ allocmenu(struct Menu *parent, struct Item *list, unsigned level) err(1, "malloc"); menu->parent = parent; menu->list = list; + menu->caller = NULL; menu->selected = NULL; - menu->w = geom.itemw; - menu->h = 0; /* calculated by calcmenu() */ - menu->x = 0; /* calculated by calcmenu() */ - menu->y = 0; /* calculated by calcmenu() */ + 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; - swa.override_redirect = override_redirect; - swa.background_pixel = dc.decoration[ColorBG]; - swa.border_pixel = dc.decoration[ColorFG]; + swa.override_redirect = (wflag) ? False : True; + swa.background_pixel = dc.normal[ColorBG].pixel; + swa.border_pixel = dc.border.pixel; + swa.save_under = True; /* pop-up windows should save_under*/ swa.event_mask = ExposureMask | KeyPressMask | ButtonPressMask | ButtonReleaseMask - | PointerMotionMask; - menu->win = XCreateWindow(dpy, rootwin, 0, 0, geom.itemw, geom.itemh, geom.border, + | PointerMotionMask | LeaveWindowMask; + if (wflag) + swa.event_mask |= StructureNotifyMask; + menu->win = XCreateWindow(dpy, rootwin, 0, 0, 1, 1, 0, CopyFromParent, CopyFromParent, CopyFromParent, - CWOverrideRedirect | CWBackPixel | CWBorderPixel | CWEventMask, + CWOverrideRedirect | CWBackPixel | + CWBorderPixel | CWEventMask | CWSaveUnder, &swa); return menu; } +/* build the menu tree */ +static struct Menu * +buildmenutree(unsigned 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; + + /* create the item */ + curritem = allocitem(label, output, file); + + /* put the item in the menu tree */ + if (prevmenu == NULL) { /* there is no menu yet */ + menu = allocmenu(NULL, curritem, level); + rootmenu = menu; + prevmenu = menu; + curritem->prev = NULL; + } else if (level < prevmenu->level) { /* item is continuation of a parent menu */ + /* go up the menu tree until find the menu this item continues */ + for (menu = prevmenu, i = level; + menu != NULL && i != prevmenu->level; + menu = menu->parent, i++) + ; + if (menu == NULL) + errx(1, "improper indentation detected"); + + /* find last item in the new menu */ + for (item = menu->list; item->next != NULL; item = item->next) + ; + + prevmenu = menu; + item->next = curritem; + curritem->prev = item; + } else if (level == prevmenu->level) { /* item is a continuation of current menu */ + /* find last item in the previous menu */ + for (item = prevmenu->list; item->next != NULL; item = item->next) + ; + + item->next = curritem; + curritem->prev = item; + } else if (level > prevmenu->level) { /* item begins a new menu */ + menu = allocmenu(prevmenu, curritem, level); + + /* find last item in the previous menu */ + for (item = prevmenu->list; item->next != NULL; item = item->next) + ; + + prevmenu = menu; + menu->caller = item; + item->submenu = menu; + curritem->prev = NULL; + } + + if (curritem->file) + prevmenu->hasicon = 1; + + return rootmenu; +} + /* create menus and items from the stdin */ -static void +static struct Menu * parsestdin(void) { + struct Menu *rootmenu; char *s, buf[BUFSIZ]; - char *label, *output; + char *file, *label, *output; unsigned level = 0; - unsigned i; - struct Item *curritem = NULL; /* item currently being read */ - struct Menu *prevmenu = NULL; /* menu the previous item was added to */ - struct Item *item; /* dummy item for for loops */ - struct Menu *menu; /* dummy menu for for loops */ - size_t count = 0; /* number of items in the current menu */ + + rootmenu = NULL; while (fgets(buf, BUFSIZ, stdin) != NULL) { - level = 0; - s = buf; + /* get the indentation level */ + level = strspn(buf, "\t"); + + /* get the label */ + s = level + buf; + label = strtok(s, "\t\n"); + + /* get the filename */ + file = NULL; + if (label != NULL && strncmp(label, "IMG:", 4) == 0) { + file = label + 4; + label = strtok(NULL, "\t\n"); + } - while (*s == '\t') { - level++; - s++; + /* get the output */ + output = strtok(NULL, "\n"); + if (output == NULL) { + output = label; + } else { + while (*output == '\t') + output++; } - label = output = s; + rootmenu = buildmenutree(level, label, output, file); + } + + return rootmenu; +} + +/* get next utf8 char from s return its codepoint and set next_ret to pointer to end of character */ +static FcChar32 +getnextutf8char(const char *s, const char **next_ret) +{ + static const unsigned char utfbyte[] = {0x80, 0x00, 0xC0, 0xE0, 0xF0}; + static const unsigned char utfmask[] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8}; + static const FcChar32 utfmin[] = {0, 0x00, 0x80, 0x800, 0x10000}; + static const FcChar32 utfmax[] = {0, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF}; + /* 0xFFFD is the replacement character, used to represent unknown characters */ + static const FcChar32 unknown = 0xFFFD; + FcChar32 ucode; /* FcChar32 type holds 32 bits */ + size_t usize = 0; /* n' of bytes of the utf8 character */ + size_t i; + + *next_ret = s+1; + + /* get code of first byte of utf8 character */ + for (i = 0; i < sizeof utfmask; i++) { + if (((unsigned char)*s & utfmask[i]) == utfbyte[i]) { + usize = i; + ucode = (unsigned char)*s & ~utfmask[i]; + break; + } + } - while (*s != '\0' && *s != '\t' && *s != '\n') - s++; + /* if first byte is a continuation byte or is not allowed, return unknown */ + if (i == sizeof utfmask || usize == 0) + return unknown; + + /* check the other usize-1 bytes */ + s++; + for (i = 1; i < usize; i++) { + *next_ret = s+1; + /* if byte is nul or is not a continuation byte, return unknown */ + if (*s == '\0' || ((unsigned char)*s & utfmask[0]) != utfbyte[0]) + return unknown; + /* 6 is the number of relevant bits in the continuation byte */ + ucode = (ucode << 6) | ((unsigned char)*s & ~utfmask[0]); + s++; + } - while (*s == '\t') - *s++ = '\0'; + /* check if ucode is invalid or in utf-16 surrogate halves */ + if (!BETWEEN(ucode, utfmin[usize], utfmax[usize]) + || BETWEEN (ucode, 0xD800, 0xDFFF)) + return unknown; - if (*s != '\0' && *s != '\n') - output = s; + return ucode; +} - while (*s != '\0' && *s != '\n') - s++; +/* get which font contains a given code point */ +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]; + + /* 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); + } - if (*s == '\n') - *s = '\0'; + /* find pattern matching fcpattern */ + if (fcpattern) { + FcConfigSubstitute(NULL, fcpattern, FcMatchPattern); + FcDefaultSubstitute(fcpattern); + match = XftFontMatch(dpy, screen, fcpattern, &result); + } - curritem = allocitem(label, output); + /* 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); + } + } - if (prevmenu == NULL) { /* there is no menu yet */ - menu = allocmenu(NULL, curritem, level); - rootmenu = menu; - prevmenu = menu; - count = 1; - } else if (level < prevmenu->level) { /* item is continuation of a parent menu*/ - for (menu = prevmenu, i = level; - menu != NULL && i < prevmenu->level; - menu = menu->parent, i++) - ; + /* in case no fount was found, return the first one */ + return dc.fonts[0]; +} - if (menu == NULL) - errx(1, "reached NULL menu"); +/* draw text into XftDraw, return width of text glyphs */ +static int +drawtext(XftDraw *draw, XftColor *color, int x, int y, unsigned h, const char *text) +{ + int textwidth = 0; - for (item = menu->list; item->next != NULL; item = item->next) - ; + while (*text) { + XftFont *currfont; + XGlyphInfo ext; + FcChar32 ucode; + const char *next; + size_t len; - item->next = curritem; - prevmenu = menu; - } else if (level == prevmenu->level) { /* item is a continuation of current menu */ - for (item = prevmenu->list; item->next != NULL; item = item->next) - ; - item->next = curritem; - } else if (level > prevmenu->level) { /* item begins a new menu */ - menu = allocmenu(prevmenu, curritem, level); + ucode = getnextutf8char(text, &next); + currfont = getfontucode(ucode); - for (item = prevmenu->list; item->next != NULL; item = item->next) - ; + len = next - text; + XftTextExtentsUtf8(dpy, currfont, (XftChar8 *)text, len, &ext); + textwidth += ext.xOff; - item->submenu = menu; + if (draw) { + int texty; - prevmenu = menu; + texty = y + (h - (currfont->ascent + currfont->descent))/2 + currfont->ascent; + XftDrawStringUtf8(draw, color, currfont, x, texty, (XftChar8 *)text, len); + x += ext.xOff; } - count++; - } -} -/* calculate screen geometry */ -static void -calcscreengeom(void) -{ - Window w1, w2; /* unused variables */ - int a, b; /* unused variables */ - unsigned mask; /* unused variable */ + text = next; + } - XQueryPointer(dpy, rootwin, &w1, &w2, &screengeom.cursx, &screengeom.cursy, &a, &b, &mask); - screengeom.screenw = DisplayWidth(dpy, screen); - screengeom.screenh = DisplayHeight(dpy, screen); + return textwidth; } -/* recursivelly calculate height and position of the menus */ +/* setup the height, width and icon of the items of a menu */ static void -calcmenu(struct Menu *menu) +setupitems(struct Menu *menu) { - XWindowChanges changes; struct Item *item; - /* calculate items positions and menu height */ + menu->w = config.width_pixels; for (item = menu->list; item != NULL; item = item->next) { + int itemwidth; + int textwidth; + item->y = menu->h; - if (*item->label == '\0') /* height for separator item */ - menu->h += geom.separator; + + if (item->label == NULL) /* height for separator item */ + item->h = config.separator_pixels; else - menu->h += geom.itemh; + item->h = config.height_pixels; + menu->h += item->h; + + if (item->label) + textwidth = drawtext(NULL, NULL, 0, 0, 0, item->label); + else + textwidth = 0; + + /* + * set menu width + * + * the item width depends on the size of its label (textwidth), + * and it is only used to calculate the width of the menu (which + * is equal to the width of the largest item). + * + * the horizontal padding appears 4 times through the width of a + * item: before and after its icon, and before and after its triangle. + * 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 += (iflag || !menu->hasicon) ? 0 : config.iconsize + config.horzpadding; + menu->w = MAX(menu->w, itemwidth); } +} - /* calculate menu's x and y positions */ +/* setup the position of a menu */ +static void +setupmenupos(struct Menu *menu) +{ + 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 (screengeom.screenw - screengeom.cursx >= menu->w) - menu->x = screengeom.cursx; - else if (screengeom.cursx > menu->w) - menu->x = screengeom.cursx - menu->w; - - if (screengeom.screenh - screengeom.cursy >= menu->h) - menu->y = screengeom.cursy; - else if (screengeom.screenh > menu->h) - menu->y = screengeom.screenh - menu->h; + 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)) + menu->y = config.posy; + else if (mon.y + mon.h > height) + menu->y = mon.y + mon.h - height; } else { /* else, calculate in respect to parent menu */ + int parentwidth; - /* search for the item in parent menu that generates this menu */ - for (item = menu->parent->list; item->submenu != menu; item = item->next) - ; + parentwidth = menu->parent->x + menu->parent->w + config.border_pixels + config.gap_pixels; - if (screengeom.screenw - (menu->parent->x + menu->parent->w) >= menu->w) - menu->x = menu->parent->x + menu->parent->w; - else if (menu->parent->x > menu->w) - menu->x = menu->parent->x - menu->w; + 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 (screengeom.screenh - (item->y + menu->parent->y) > menu->h) - menu->y = item->y + menu->parent->y; - else if (screengeom.screenh - menu->parent->y > menu->h) - menu->y = menu->parent->y; - else if (screengeom.screenh > menu->h) - menu->y = screengeom.screenh - menu->h; + 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; } +} + +/* recursivelly setup menu configuration and its pixmap */ +static void +setupmenu(struct Menu *menu, XClassHint *classh) +{ + char *title; + struct Item *item; + XWindowChanges changes; + XSizeHints sizeh; + XTextProperty wintitle; + + /* setup size and position of menus */ + setupitems(menu); + setupmenupos(menu); /* 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, CWHeight | CWX | CWY, &changes); + 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; + } + 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) - calcmenu(item->submenu); + setupmenu(item->submenu, classh); } } -/* get menu and item of given window and position */ +/* try to grab pointer, we may have to wait for another process to ungrab */ static void -getmenuitem(Window win, int y, - struct Menu **menu_ret, struct Item **item_ret) +grabpointer(void) { - struct Menu *menu = NULL; - struct Item *item = NULL; + struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000 }; + int i; + + for (i = 0; i < 1000; i++) { + if (XGrabPointer(dpy, rootwin, True, ButtonPressMask, + GrabModeAsync, GrabModeAsync, None, + None, CurrentTime) == GrabSuccess) + return; + nanosleep(&ts, NULL); + } + errx(1, "could not grab pointer"); +} - for (menu = currmenu; menu != NULL; menu = menu->parent) { - if (menu->win == win) { - for (item = menu->list; item != NULL; item = item->next) { - if (y >= item->y && y <= item->y + geom.itemh) { - goto done; - } - } +/* try to grab keyboard, we may have to wait for another process to ungrab */ +static void +grabkeyboard(void) +{ + struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000 }; + int i; + + for (i = 0; i < 1000; i++) { + if (XGrabKeyboard(dpy, rootwin, True, GrabModeAsync, + GrabModeAsync, CurrentTime) == GrabSuccess) + return; + nanosleep(&ts, NULL); + } + errx(1, "could not grab keyboard"); +} + +/* load and scale icon */ +static Imlib_Image +loadicon(const char *file) +{ + Imlib_Image icon; + Imlib_Load_Error errcode; + const char *errstr; + int width; + int height; + int imgsize; + + icon = imlib_load_image_with_error_return(file, &errcode); + if (*file == '\0') { + warnx("could not load icon (file name is blank)"); + return NULL; + } else 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); -done: - *menu_ret = menu; - *item_ret = item; + icon = imlib_create_cropped_scaled_image(0, 0, imgsize, imgsize, + config.iconsize, + config.iconsize); + + return icon; } -/* set currentmenu to menu, umap previous menus and map current menu and its parents */ +/* draw pixmap for the selected and unselected version of each item on menu */ static void -setcurrmenu(struct Menu *currmenu_new) +drawitems(struct Menu *menu) { - struct Menu *menu; + struct Item *item; - if (currmenu_new == currmenu) - return; + 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)); + + 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; + 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)); + 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; + 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); + XSetForeground(dpy, dc.gc, dc.normal[ColorFG].pixel); + drawtext(dunsel, &dc.normal[ColorFG], x, 0, item->h, item->label); + XftDrawDestroy(dsel); + XftDrawDestroy(dunsel); + + /* draw triangle */ + if (item->submenu != NULL) { + x = menu->w - config.triangle_width - config.horzpadding; + y = (item->h - config.triangle_height + 1) / 2; - for (menu = currmenu; menu != NULL; menu = menu->parent) { - XUnmapWindow(dpy, menu->win); - } + XPoint triangle[] = { + {x, y}, + {x + config.triangle_width, y + config.triangle_height/2}, + {x, y + config.triangle_height}, + {x, y} + }; - currmenu = currmenu_new; + XSetForeground(dpy, dc.gc, dc.selected[ColorFG].pixel); + XFillPolygon(dpy, item->sel, dc.gc, triangle, LEN(triangle), + Convex, CoordModeOrigin); + XSetForeground(dpy, dc.gc, dc.normal[ColorFG].pixel); + XFillPolygon(dpy, item->unsel, dc.gc, triangle, LEN(triangle), + Convex, CoordModeOrigin); + } - for (menu = currmenu; menu != NULL; menu = menu->parent) - XMapWindow(dpy, menu->win); + /* 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(); + } + } + } } -/* draw items of the current menu and of its ancestors */ +/* copy pixmaps of items of the current menu and of its ancestors into menu window */ static void -drawmenu(void) +drawmenus(struct Menu *currmenu) { struct Menu *menu; struct Item *item; for (menu = currmenu; menu != NULL; menu = menu->parent) { - size_t nitems; /* number of items before current item */ - - nitems = 0; + if (!menu->drawn) { + drawitems(menu); + menu->drawn = 1; + } for (item = menu->list; item != NULL; item = item->next) { - unsigned long *color; - size_t labellen; - int labelx, labely; - int y; - - /* determine item color */ if (item == menu->selected) - color = dc.pressed; + XCopyArea(dpy, item->sel, menu->win, dc.gc, 0, 0, + menu->w, item->h, 0, item->y); else - color = dc.unpressed; - - /* calculate item's y position */ - y = nitems * geom.itemh; + XCopyArea(dpy, item->unsel, menu->win, dc.gc, 0, 0, + menu->w, item->h, 0, item->y); + } + } +} - /* draw item box */ - XSetForeground(dpy, dc.gc, color[ColorBG]); - XFillRectangle(dpy, menu->win, dc.gc, 0, y, - geom.itemw, geom.itemh); +/* umap previous menus and map current menu and its parents */ +static void +mapmenu(struct Menu *currmenu) +{ + 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 */ + + /* do not remap current menu if it wasn't updated*/ + if (prevmenu == currmenu) + return; - /* draw item label */ - labellen = strlen(item->label); - labelx = 0 + dc.fonth; - labely = y + dc.fonth + geom.itemb; - XSetForeground(dpy, dc.gc, color[ColorFG]); - XDrawString(dpy, menu->win, dc.gc, labelx, labely, item->label, labellen); + /* if this is the first time mapping, skip calculations */ + if (prevmenu == NULL) { + XMapWindow(dpy, currmenu->win); + prevmenu = currmenu; + return; + } - /* draw triangle, if item contains a submenu */ - if (item->submenu != NULL) { - int trianglex = geom.itemw - (geom.itemb + dc.fonth); - int triangley = y + geom.itemb; + /* find lowest common ancestor menu */ + minlevel = MIN(currmenu->level, prevmenu->level); + maxlevel = MAX(currmenu->level, prevmenu->level); + if (currmenu->level == maxlevel) { + menu = currmenu; + menu_ = prevmenu; + } else { + menu = prevmenu; + menu_ = currmenu; + } + while (menu->level > minlevel) + menu = menu->parent; + while (menu != menu_) { + menu = menu->parent; + menu_ = menu_->parent; + } + lcamenu = menu; - XPoint triangle[] = { - {trianglex, triangley}, - {trianglex + dc.fonth, triangley + dc.fonth/2}, - {trianglex, triangley + dc.fonth}, - {trianglex, triangley} - }; + /* unmap menus from currmenu (inclusive) until lcamenu (exclusive) */ + for (menu = prevmenu; menu != lcamenu; menu = menu->parent) { + menu->selected = NULL; + XUnmapWindow(dpy, menu->win); + } - XFillPolygon(dpy, menu->win, dc.gc, triangle, LEN(triangle), - Convex, CoordModeOrigin); - } + /* map menus from currmenu (inclusive) until lcamenu (exclusive) */ + for (menu = currmenu; menu != lcamenu; menu = menu->parent) { - nitems++; + if (wflag) { + setupmenupos(menu); + XMoveWindow(dpy, menu->win, menu->x, menu->y); } + + XMapWindow(dpy, menu->win); + } + + prevmenu = currmenu; +} + +/* get menu of given window */ +static struct Menu * +getmenu(struct Menu *currmenu, Window win) +{ + struct Menu *menu; + + for (menu = currmenu; menu != NULL; menu = menu->parent) + if (menu->win == win) + return menu; + + return NULL; +} + +/* get item of given menu and position */ +static struct Item * +getitem(struct Menu *menu, int y) +{ + struct Item *item; + + 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; +} + +/* cycle through the items; non-zero direction is next, zero is prev */ +static struct Item * +itemcycle(struct Menu *currmenu, int direction) +{ + struct Item *item = NULL; + struct Item *lastitem; + + for (lastitem = currmenu->list; lastitem && lastitem->next; lastitem = lastitem->next) + ; + + /* 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; + 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; } /* run event loop */ static void -run(void) +run(struct Menu *currmenu) { struct Menu *menu; struct Item *item; struct Item *previtem = NULL; + struct Item *lastitem; + KeySym ksym; XEvent ev; - setcurrmenu(rootmenu); + mapmenu(currmenu); while (!XNextEvent(dpy, &ev)) { switch(ev.type) { case Expose: - drawmenu(); + if (ev.xexpose.count == 0) + drawmenus(currmenu); break; case MotionNotify: - getmenuitem(ev.xbutton.window, ev.xbutton.y, &menu, &item); - if (menu != NULL && item != NULL) { - if (previtem != item) { - if (item->submenu != NULL) - setcurrmenu(item->submenu); - else - setcurrmenu(menu); - previtem = item; - } else if (menu->selected != item) - menu->selected = item; + 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; } - drawmenu(); + mapmenu(currmenu); + drawmenus(currmenu); break; case ButtonRelease: - getmenuitem(ev.xbutton.window, ev.xbutton.y, &menu, &item); - if (menu != NULL && item != NULL) { - if (item->submenu != NULL) { - setcurrmenu(item->submenu); - } else { - printf("%s\n", item->output); - cleanupexit(); - } - drawmenu(); + 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 { - cleanupexit(); + printf("%s\n", item->output); + return; } + mapmenu(currmenu); + currmenu->selected = currmenu->list; + drawmenus(currmenu); + break; + case ButtonPress: + menu = getmenu(currmenu, ev.xbutton.window); + if (menu == NULL) + return; + break; + case KeyPress: + ksym = XkbKeycodeToKeysym(dpy, ev.xkey.keycode, 0, 0); + + /* esc closes xmenu when current menu is the root menu */ + if (ksym == XK_Escape && currmenu->parent == NULL) + return; + + /* 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_Home || ksym == KSYMFIRST) { + item = itemcycle(currmenu, ITEMFIRST); + } else if (ksym == XK_End || ksym == KSYMLAST) { + item = itemcycle(currmenu, ITEMLAST); + } else if (ksym == XK_ISO_Left_Tab || ksym == XK_Up || ksym == KSYMUP) { + item = itemcycle(currmenu, ITEMPREV); + } else if (ksym == XK_Tab || ksym == XK_Down || ksym == KSYMDOWN) { + item = itemcycle(currmenu, ITEMNEXT); + } else if (ksym >= XK_1 && ksym <= 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); + } + } else if ((ksym == XK_Return || ksym == XK_Right || ksym == KSYMRIGHT) && + currmenu->selected != NULL) { + item = currmenu->selected; + goto selectitem; + } else if ((ksym == XK_Escape || ksym == XK_Left || ksym == KSYMLEFT) && + currmenu->parent != NULL) { + item = currmenu->parent->selected; + currmenu = currmenu->parent; + mapmenu(currmenu); + } else + break; + currmenu->selected = item; + drawmenus(currmenu); + break; + case LeaveNotify: + previtem = NULL; + currmenu->selected = NULL; + drawmenus(currmenu); + break; + case ConfigureNotify: + menu = getmenu(currmenu, ev.xconfigure.window); + if (menu == NULL) + break; + menu->x = ev.xconfigure.x; + menu->y = ev.xconfigure.y; + break; + case ClientMessage: + 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 */ + currmenu = menu->parent; + mapmenu(currmenu); break; } } } -/* cleanup and exit */ +/* recursivelly free pixmaps and destroy windows */ static void -cleanupexit(void) +cleanmenu(struct Menu *menu) { - XCloseDisplay(dpy); - exit(0); + struct Item *item; + struct Item *tmp; + + item = menu->list; + while (item != NULL) { + if (item->submenu != NULL) + cleanmenu(item->submenu); + tmp = item; + if (menu->drawn) { + XFreePixmap(dpy, item->unsel); + if (tmp->label != NULL) + XFreePixmap(dpy, item->sel); + } + if (tmp->label != tmp->output) + free(tmp->label); + free(tmp->output); + item = item->next; + free(tmp); + } + + XDestroyWindow(dpy, menu->win); + free(menu); } -/* show usage */ +/* cleanup X and exit */ static void -usage(void) +cleanup(void) { - (void)fprintf(stderr, "usage: xmenu [-w] menuname\n"); - exit(1); + 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); +} + +/* xmenu: generate menu from stdin and print selected entry to stdout */ +int +main(int argc, char *argv[]) +{ + struct Menu *rootmenu; + XClassHint classh; + int ch; + + while ((ch = getopt(argc, argv, "ip:w")) != -1) { + switch (ch) { + 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, "could not 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(); + + /* set window class */ + classh.res_class = PROGNAME; + if (argc == 1) + classh.res_name = *argv; + else + classh.res_name = PROGNAME; + + /* generate menus and set them up */ + rootmenu = parsestdin(); + if (rootmenu == NULL) + errx(1, "no menu generated"); + setupmenu(rootmenu, &classh); + + /* grab mouse and keyboard */ + if (!wflag) { + grabpointer(); + grabkeyboard(); + } + + /* run event loop */ + run(rootmenu); + + /* freeing stuff */ + cleanmenu(rootmenu); + cleanup(); + + return 0; }