X-Git-Url: https://git.subgeniuskitty.com/xmenu/.git/blobdiff_plain/a3a73837401ad9dcc0e4ba513972dc55e1e24a8a..15362de42b2b4603f928873aaaf31174381b97a9:/xmenu.c diff --git a/xmenu.c b/xmenu.c index 8a7d511..6305a13 100644 --- a/xmenu.c +++ b/xmenu.c @@ -1,7 +1,10 @@ +#include #include +#include #include #include #include +#include #include #include #include @@ -17,11 +20,15 @@ * Function declarations */ +/* argument parser */ +static void parseposition(const char *optarg); + /* initializers, and their helper routines */ +static void parsefonts(const char *s); static void ealloccolor(const char *s, XftColor *color); static void initresources(void); static void initdc(void); -static void initscreengeom(void); +static void initconfig(void); static void initatoms(void); /* structure builders, and their helper routines */ @@ -31,10 +38,17 @@ static struct Menu *buildmenutree(unsigned level, const char *label, const char static struct Menu *parsestdin(void); /* image loader */ -static Imlib_Image loadicon(const char *file, int size); +static Imlib_Image loadicon(const char *file); + +/* utf8 utils */ +static FcChar32 getnextutf8char(const char *s, const char **end_ret); + +/* pixmap drawers */ +static int drawtext(XftDraw *draw, XftColor *color, int x, int y, unsigned h, const char *text); +static void drawitems(struct Menu *menu); /* structure setters, and their helper routines */ -static void setupmenusize(struct Menu *menu); +static void setupitems(struct Menu *menu); static void setupmenupos(struct Menu *menu); static void setupmenu(struct Menu *menu, XClassHint *classh); @@ -44,14 +58,16 @@ static void grabkeyboard(void); /* window drawers and mappers */ static void mapmenu(struct Menu *currmenu); -static void drawseparator(struct Menu *menu, struct Item *item); -static void drawitem(struct Menu *menu, struct Item *item, XftColor *color); -static void drawmenu(struct Menu *currmenu); +static void copypixmaps(struct Menu *currmenu); -/* main event loop, and its helper routines */ +/* 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 */ @@ -78,6 +94,8 @@ static Atom wmdelete; static Atom netatom[NetLast]; /* flags */ +static int iflag = 0; /* whether to disable icons */ +static int pflag = 0; /* whether the user specified a position */ static int wflag = 0; /* whether to let the window manager control XMenu */ /* include config variable */ @@ -96,8 +114,15 @@ main(int argc, char *argv[]) XClassHint classh; int ch; - while ((ch = getopt(argc, argv, "w")) != -1) { + 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; @@ -121,16 +146,18 @@ main(int argc, char *argv[]) colormap = DefaultColormap(dpy, screen); /* imlib2 stuff */ - 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); + 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 */ initresources(); initdc(); - initscreengeom(); + initconfig(); initatoms(); /* set window class */ @@ -162,6 +189,64 @@ main(int argc, char *argv[]) return 0; } +/* parse position string from -p, put results on config.x and config.y */ +static void +parseposition(const char *optarg) +{ + long n; + const 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 || *endp != '\0') + goto error; + config.posy = n; + + return; + +error: + errx(1, "improper position: %s", optarg); +} + +/* parse color string */ +static void +parsefonts(const char *s) +{ + 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 (*p != '\0' && *p != ',') { + buf[i++] = *p++; + } + if (*p == ',') + p++; + buf[i] = '\0'; + if ((dc.fonts[nfont++] = XftFontOpenName(dpy, screen, buf)) == NULL) + errx(1, "cannot load font"); + } +} + /* get color from color string */ static void ealloccolor(const char *s, XftColor *color) @@ -198,6 +283,9 @@ initresources(void) 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) @@ -228,25 +316,26 @@ initdc(void) ealloccolor(config.separator_color, &dc.separator); ealloccolor(config.border_color, &dc.border); - /* try to get font */ - if ((dc.font = XftFontOpenName(dpy, screen, config.font)) == NULL) - errx(1, "cannot load font"); + /* parse fonts */ + parsefonts(config.font); /* create common GC */ dc.gc = XCreateGC(dpy, rootwin, 0, NULL); } -/* calculate screen geometry */ +/* calculate configuration values that are not set manually */ static void -initscreengeom(void) +initconfig(void) { Window dw; /* dummy variable */ int di; /* dummy variable */ unsigned du; /* dummy variable */ - XQueryPointer(dpy, rootwin, &dw, &dw, &config.cursx, &config.cursy, &di, &di, &du); + if (!pflag) /* if the user haven't specified a position, use cursor position*/ + XQueryPointer(dpy, rootwin, &dw, &dw, &config.posx, &config.posy, &di, &di, &du); config.screenw = DisplayWidth(dpy, screen); config.screenh = DisplayHeight(dpy, screen); + config.iconsize = config.height_pixels - config.iconpadding * 2; } /* intern atoms */ @@ -438,7 +527,7 @@ parsestdin(void) /* load and scale icon */ static Imlib_Image -loadicon(const char *file, int size) +loadicon(const char *file) { Imlib_Image icon; int width; @@ -455,21 +544,200 @@ loadicon(const char *file, int size) height = imlib_image_get_height(); imgsize = MIN(width, height); - icon = imlib_create_cropped_scaled_image(0, 0, imgsize, imgsize, size, size); + icon = imlib_create_cropped_scaled_image(0, 0, imgsize, imgsize, + config.iconsize, + config.iconsize); return icon; } -/* setup the size of a menu and the position of its items */ +/* get next utf8 char from s return its codepoint and set next_ret to pointer to next 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}; + /* 0xFFFD is the replacement character, used to represent unknown characters */ + static const FcChar32 utfmin[] = {0, 0x00, 0x80, 0x800, 0x10000}; + static const FcChar32 utfmax[] = {0, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF}; + 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; + } + } + + /* 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 EOS 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++; + } + + /* check if ucode is invalid or in utf-16 surrogate halves */ + if (!BETWEEN(ucode, utfmin[usize], utfmax[usize]) + || BETWEEN (ucode, 0xD800, 0xDFFF)) + return unknown; + + return ucode; +} + +/* draw text into XftDraw */ +static int +drawtext(XftDraw *draw, XftColor *color, int x, int y, unsigned h, const char *text) +{ + const char *s, *nexts; + FcChar32 ucode; + XftFont *currfont; + int textlen = 0; + + s = text; + while (*s) { + XGlyphInfo ext; + int charexists; + size_t len; + size_t i; + + charexists = 0; + ucode = getnextutf8char(s, &nexts); + for (i = 0; i < dc.nfonts; i++) { + charexists = XftCharExists(dpy, dc.fonts[i], ucode); + if (charexists) + break; + } + if (charexists) + currfont = dc.fonts[i]; + + len = nexts - s; + + XftTextExtentsUtf8(dpy, currfont, (XftChar8 *)s, + len, &ext); + textlen += ext.xOff; + + if (draw) { + int texty; + + texty = y + (h + currfont->ascent) / 2; + XftDrawStringUtf8(draw, color, currfont, x, texty, + (XftChar8 *)s, len); + x += ext.xOff; + } + + s = nexts; + } + + return textlen; +} + +/* draw pixmap for the selected and unselected version of each item on menu */ static void -setupmenusize(struct Menu *menu) +drawitems(struct Menu *menu) +{ + struct Item *item; + + 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) ? 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; + + XPoint triangle[] = { + {x, y}, + {x + config.triangle_width, y + config.triangle_height/2}, + {x, y + config.triangle_height}, + {x, y} + }; + + 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); + } + + /* draw icon */ + if (item->file != NULL && !iflag) { + item->icon = loadicon(item->file); + + imlib_context_set_drawable(item->sel); + imlib_context_set_image(item->icon); + imlib_render_image_on_drawable(config.horzpadding, config.iconpadding); + + imlib_context_set_drawable(item->unsel); + imlib_context_set_image(item->icon); + imlib_render_image_on_drawable(config.horzpadding, config.iconpadding); + } + } + } +} + +/* setup the height, width and icon of the items of a menu */ +static void +setupitems(struct Menu *menu) { - XGlyphInfo ext; struct Item *item; - int labelwidth; 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 == NULL) /* height for separator item */ @@ -478,17 +746,26 @@ setupmenusize(struct Menu *menu) item->h = config.height_pixels; menu->h += item->h; - /* get length of item->label rendered in the font */ - XftTextExtentsUtf8(dpy, dc.font, (XftChar8 *)item->label, - item->labellen, &ext); - - /* set menu width */ - labelwidth = ext.xOff + item->h * 2; - menu->w = MAX(menu->w, labelwidth); - - /* create icon */ - if (item->file != NULL) - item->icon = loadicon(item->file, item->h - config.iconpadding * 2); + if (item->label) + textwidth = drawtext(NULL, NULL, 0, 0, item->h, 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) ? 0 : config.iconsize + config.horzpadding; + menu->w = MAX(menu->w, itemwidth); } } @@ -501,13 +778,13 @@ setupmenupos(struct Menu *menu) 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 (config.screenw - config.cursx >= menu->w) - menu->x = config.cursx; - else if (config.cursx > width) - menu->x = config.cursx - width; + if (pflag || config.screenw - config.posx >= menu->w) + menu->x = config.posx; + else if (config.posx > width) + menu->x = config.posx - width; - if (config.screenh - config.cursy >= height) - menu->y = config.cursy; + if (pflag || config.screenh - config.posy >= height) + menu->y = config.posy; else if (config.screenh > height) menu->y = config.screenh - height; } else { /* else, calculate in respect to parent menu */ @@ -536,7 +813,8 @@ setupmenu(struct Menu *menu, XClassHint *classh) XTextProperty wintitle; /* setup size and position of menus */ - setupmenusize(menu); + setupitems(menu); + drawitems(menu); setupmenupos(menu); /* update menu geometry */ @@ -561,11 +839,6 @@ setupmenu(struct Menu *menu, XClassHint *classh) sizeh.min_height = sizeh.max_height = menu->h; XSetWMProperties(dpy, menu->win, &wintitle, NULL, NULL, 0, &sizeh, NULL, classh); - /* create pixmap and XftDraw */ - menu->pixmap = XCreatePixmap(dpy, menu->win, menu->w, menu->h, - DefaultDepth(dpy, screen)); - menu->draw = XftDrawCreate(dpy, menu->pixmap, visual, colormap); - /* set WM protocols and ewmh window properties */ XSetWMProtocols(dpy, menu->win, &wmdelete, 1); XChangeProperty(dpy, menu->win, netatom[NetWMName], utf8string, 8, @@ -673,86 +946,22 @@ mapmenu(struct Menu *currmenu) prevmenu = currmenu; } -/* draw separator item */ +/* copy pixmaps of items of the current menu and of its ancestors into menu window */ static void -drawseparator(struct Menu *menu, struct Item *item) -{ - int y; - - y = item->y + item->h/2; - - XSetForeground(dpy, dc.gc, dc.separator.pixel); - XDrawLine(dpy, menu->pixmap, dc.gc, 0, y, menu->w, y); -} - -/* draw regular item */ -static void -drawitem(struct Menu *menu, struct Item *item, XftColor *color) -{ - int x, y; - - x = item->h; - y = item->y + (item->h + dc.font->ascent) / 2; - XSetForeground(dpy, dc.gc, color[ColorFG].pixel); - XftDrawStringUtf8(menu->draw, &color[ColorFG], dc.font, - x, y, (XftChar8 *)item->label, item->labellen); - - /* draw triangle, if item contains a submenu */ - if (item->submenu != NULL) { - x = menu->w - (item->h + config.triangle_width + 1) / 2; - y = item->y + (item->h - config.triangle_height + 1) / 2; - - XPoint triangle[] = { - {x, y}, - {x + config.triangle_width, y + config.triangle_height/2}, - {x, y + config.triangle_height}, - {x, y} - }; - - XFillPolygon(dpy, menu->pixmap, dc.gc, triangle, LEN(triangle), - Convex, CoordModeOrigin); - } - - /* draw icon */ - if (item->file != NULL) { - x = config.iconpadding; - y = item->y + config.iconpadding; - imlib_context_set_drawable(menu->pixmap); - imlib_context_set_image(item->icon); - imlib_render_image_on_drawable(x, y); - } -} - -/* draw items of the current menu and of its ancestors */ -static void -drawmenu(struct Menu *currmenu) +copypixmaps(struct Menu *currmenu) { struct Menu *menu; struct Item *item; for (menu = currmenu; menu != NULL; menu = menu->parent) { for (item = menu->list; item != NULL; item = item->next) { - XftColor *color; - - /* determine item color */ - if (item == menu->selected && item->label != NULL) - color = dc.selected; + if (item == menu->selected) + XCopyArea(dpy, item->sel, menu->win, dc.gc, 0, 0, + menu->w, item->h, 0, item->y); else - color = dc.normal; - - /* draw item box */ - XSetForeground(dpy, dc.gc, color[ColorBG].pixel); - XFillRectangle(dpy, menu->pixmap, dc.gc, 0, item->y, - menu->w, item->h); - - if (item->label == NULL) /* item is a separator */ - drawseparator(menu, item); - else /* item is a regular item */ - drawitem(menu, item, color); + XCopyArea(dpy, item->unsel, menu->win, dc.gc, 0, 0, + menu->w, item->h, 0, item->y); } - - XCopyArea(dpy, menu->pixmap, menu->win, dc.gc, 0, 0, - menu->w, menu->h, 0, 0); } } @@ -842,7 +1051,7 @@ run(struct Menu *currmenu) switch(ev.type) { case Expose: if (ev.xexpose.count == 0) - drawmenu(currmenu); + copypixmaps(currmenu); break; case MotionNotify: menu = getmenu(currmenu, ev.xbutton.window); @@ -858,7 +1067,7 @@ run(struct Menu *currmenu) currmenu = menu; } mapmenu(currmenu); - drawmenu(currmenu); + copypixmaps(currmenu); break; case ButtonRelease: menu = getmenu(currmenu, ev.xbutton.window); @@ -876,7 +1085,7 @@ selectitem: } mapmenu(currmenu); currmenu->selected = currmenu->list; - drawmenu(currmenu); + copypixmaps(currmenu); break; case ButtonPress: menu = getmenu(currmenu, ev.xbutton.window); @@ -912,12 +1121,12 @@ selectitem: } else break; currmenu->selected = item; - drawmenu(currmenu); + copypixmaps(currmenu); break; case LeaveNotify: previtem = NULL; currmenu->selected = NULL; - drawmenu(currmenu); + copypixmaps(currmenu); break; case ConfigureNotify: menu = getmenu(currmenu, ev.xconfigure.window); @@ -952,6 +1161,9 @@ cleanmenu(struct Menu *menu) if (item->submenu != NULL) cleanmenu(item->submenu); tmp = item; + XFreePixmap(dpy, item->unsel); + if (tmp->label != NULL) + XFreePixmap(dpy, item->sel); if (tmp->label != tmp->output) free(tmp->label); free(tmp->output); @@ -966,8 +1178,6 @@ cleanmenu(struct Menu *menu) free(tmp); } - XFreePixmap(dpy, menu->pixmap); - XftDrawDestroy(menu->draw); XDestroyWindow(dpy, menu->win); free(menu); } @@ -994,6 +1204,6 @@ cleanup(void) static void usage(void) { - (void)fprintf(stderr, "usage: xmenu [-w] [title]\n"); + (void)fprintf(stderr, "usage: xmenu [-iw] [-p position] [title]\n"); exit(1); }