Added support for fallback fonts.
Also changed license.
This commit is contained in:
phillbush
parent
675a2008a6
commit
cdeaefaaa2
22
README
22
README
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@ -71,4 +71,24 @@ Read the manual for more information on running XMenu.
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§ License
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This software is in public domain and is provided AS IS, with NO WARRANTY.
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MIT/X Consortium License
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© 2020 phillbush
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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4
config.h
4
config.h
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@ -1,6 +1,6 @@
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static struct Config config = {
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/* font */
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.font = "monospace:size=9", /* for regular items */
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/* font, separate different fonts with comma */
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.font = "monospace:size=9,DejaVuSansMono:size=9",
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/* colors */
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.background_color = "#FFFFFF",
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2
xmenu.1
2
xmenu.1
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@ -97,6 +97,8 @@ understands the following X resources.
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.TP
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.B xmenu.font
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The font in which the labels should be drawn.
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Multiple fonts can be added as fallback fonts;
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they must be separated by a comma.
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.TP
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.B xmenu.background
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The background color of non-selected items in the menu.
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365
xmenu.c
365
xmenu.c
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@ -1,3 +1,4 @@
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#include <ctype.h>
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#include <err.h>
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#include <errno.h>
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#include <stdio.h>
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@ -23,6 +24,7 @@
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static void parseposition(const char *optarg);
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/* initializers, and their helper routines */
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static void parsefonts(const char *s);
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static void ealloccolor(const char *s, XftColor *color);
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static void initresources(void);
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static void initdc(void);
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@ -38,6 +40,13 @@ static struct Menu *parsestdin(void);
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/* image loader */
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static Imlib_Image loadicon(const char *file);
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/* utf8 utils */
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static FcChar32 getnextutf8char(const char *s, const char **end_ret);
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/* pixmap drawers */
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static int drawtext(XftDraw *draw, XftColor *color, int x, int y, unsigned h, const char *text);
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static void drawitems(struct Menu *menu);
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/* structure setters, and their helper routines */
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static void setupitems(struct Menu *menu);
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static void setupmenupos(struct Menu *menu);
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@ -49,14 +58,16 @@ static void grabkeyboard(void);
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/* window drawers and mappers */
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static void mapmenu(struct Menu *currmenu);
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static void drawseparator(struct Menu *menu, struct Item *item);
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static void drawitem(struct Menu *menu, struct Item *item, XftColor *color);
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static void drawmenu(struct Menu *currmenu);
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static void copypixmaps(struct Menu *currmenu);
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/* main event loop, and its helper routines */
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/* getters */
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static struct Menu *getmenu(struct Menu *currmenu, Window win);
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static struct Item *getitem(struct Menu *menu, int y);
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/* cycle through items */
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static struct Item *itemcycle(struct Menu *currmenu, int direction);
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/* main event loop */
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static void run(struct Menu *currmenu);
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/* cleaners */
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@ -202,6 +213,40 @@ error:
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errx(1, "improper position: %s", optarg);
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}
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/* parse color string */
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static void
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parsefonts(const char *s)
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{
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const char *p;
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char buf[1024];
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size_t nfont = 0;
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dc.nfonts = 1;
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for (p = s; *p; p++)
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if (*p == ',')
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dc.nfonts++;
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if ((dc.fonts = calloc(dc.nfonts, sizeof *dc.fonts)) == NULL)
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err(1, "calloc");
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p = s;
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while (*p != '\0') {
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size_t i;
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i = 0;
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while (isspace(*p))
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p++;
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while (*p != '\0' && *p != ',') {
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buf[i++] = *p++;
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}
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if (*p == ',')
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p++;
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buf[i] = '\0';
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if ((dc.fonts[nfont++] = XftFontOpenName(dpy, screen, buf)) == NULL)
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errx(1, "cannot load font");
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}
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}
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/* get color from color string */
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static void
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ealloccolor(const char *s, XftColor *color)
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@ -271,9 +316,8 @@ initdc(void)
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ealloccolor(config.separator_color, &dc.separator);
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ealloccolor(config.border_color, &dc.border);
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/* try to get font */
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if ((dc.font = XftFontOpenName(dpy, screen, config.font)) == NULL)
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errx(1, "cannot load font");
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/* parse fonts */
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parsefonts(config.font);
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/* create common GC */
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dc.gc = XCreateGC(dpy, rootwin, 0, NULL);
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@ -507,6 +551,182 @@ loadicon(const char *file)
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return icon;
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}
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/* get next utf8 char from s return its codepoint and set next_ret to pointer to next character */
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static FcChar32
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getnextutf8char(const char *s, const char **next_ret)
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{
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/* */
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static const unsigned char utfbyte[] = {0x80, 0x00, 0xC0, 0xE0, 0xF0};
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/* */
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static const unsigned char utfmask[] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8};
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/* 0xFFFD is the replacement character, used to represent unknown characters */
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static const FcChar32 utfmin[] = {0, 0x00, 0x80, 0x800, 0x10000};
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static const FcChar32 utfmax[] = {0, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF};
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static const FcChar32 unknown = 0xFFFD;
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FcChar32 ucode; /* FcChar32 type holds 32 bits */
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size_t usize = 0; /* n' of bytes of the utf8 character */
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size_t i;
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*next_ret = s+1;
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/* get code of first byte of utf8 character */
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for (i = 0; i < sizeof utfmask; i++) {
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if (((unsigned char)*s & utfmask[i]) == utfbyte[i]) {
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usize = i;
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ucode = (unsigned char)*s & ~utfmask[i];
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break;
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}
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}
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/* if first byte is a continuation byte or is not allowed, return unknown */
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if (i == sizeof utfmask || usize == 0)
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return unknown;
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/* check the other usize-1 bytes */
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s++;
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for (i = 1; i < usize; i++) {
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*next_ret = s+1;
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/* if byte is EOS or is not a continuation byte, return unknown */
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if (*s == '\0' || ((unsigned char)*s & utfmask[0]) != utfbyte[0])
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return unknown;
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/* 6 is the number of relevant bits in the continuation byte */
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ucode = (ucode << 6) | ((unsigned char)*s & ~utfmask[0]);
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s++;
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}
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/* check if ucode is invalid or in utf-16 surrogate halves */
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if (!BETWEEN(ucode, utfmin[usize], utfmax[usize])
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|| BETWEEN (ucode, 0xD800, 0xDFFF))
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return unknown;
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return ucode;
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}
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/* draw text into XftDraw */
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static int
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drawtext(XftDraw *draw, XftColor *color, int x, int y, unsigned h, const char *text)
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{
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const char *s, *nexts;
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FcChar32 ucode;
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XftFont *currfont;
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int textlen = 0;
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s = text;
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while (*s) {
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XGlyphInfo ext;
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int charexists;
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size_t len;
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size_t i;
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charexists = 0;
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ucode = getnextutf8char(s, &nexts);
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for (i = 0; i < dc.nfonts; i++) {
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charexists = XftCharExists(dpy, dc.fonts[i], ucode);
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if (charexists)
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break;
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}
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if (charexists)
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currfont = dc.fonts[i];
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len = nexts - s;
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XftTextExtentsUtf8(dpy, currfont, (XftChar8 *)s,
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len, &ext);
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textlen += ext.xOff;
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if (draw) {
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int texty;
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texty = y + (h + currfont->ascent) / 2;
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XftDrawStringUtf8(draw, color, currfont, x, texty,
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(XftChar8 *)s, len);
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x += ext.xOff;
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}
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s = nexts;
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}
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return textlen;
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}
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/* draw pixmap for the selected and unselected version of each item on menu */
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static void
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drawitems(struct Menu *menu)
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{
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struct Item *item;
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for (item = menu->list; item != NULL; item = item->next) {
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XftDraw *dsel, *dunsel;
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int x, y;
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item->unsel = XCreatePixmap(dpy, menu->win, menu->w, item->h,
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DefaultDepth(dpy, screen));
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XSetForeground(dpy, dc.gc, dc.normal[ColorBG].pixel);
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XFillRectangle(dpy, item->unsel, dc.gc, 0, 0, menu->w, item->h);
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if (item->label == NULL) { /* item is separator */
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y = item->h/2;
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XSetForeground(dpy, dc.gc, dc.separator.pixel);
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XDrawLine(dpy, item->unsel, dc.gc, config.horzpadding, y,
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menu->w - config.horzpadding, y);
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item->sel = item->unsel;
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} else {
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item->sel = XCreatePixmap(dpy, menu->win, menu->w, item->h,
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DefaultDepth(dpy, screen));
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XSetForeground(dpy, dc.gc, dc.selected[ColorBG].pixel);
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XFillRectangle(dpy, item->sel, dc.gc, 0, 0, menu->w, item->h);
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/* draw text */
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x = config.horzpadding;
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x += (iflag) ? 0 : config.horzpadding + config.iconsize;
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dsel = XftDrawCreate(dpy, item->sel, visual, colormap);
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dunsel = XftDrawCreate(dpy, item->unsel, visual, colormap);
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XSetForeground(dpy, dc.gc, dc.selected[ColorFG].pixel);
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drawtext(dsel, &dc.selected[ColorFG], x, 0, item->h, item->label);
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XSetForeground(dpy, dc.gc, dc.normal[ColorFG].pixel);
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drawtext(dunsel, &dc.normal[ColorFG], x, 0, item->h, item->label);
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XftDrawDestroy(dsel);
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XftDrawDestroy(dunsel);
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/* draw triangle */
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if (item->submenu != NULL) {
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x = menu->w - config.triangle_width - config.horzpadding;
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y = (item->h - config.triangle_height + 1) / 2;
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XPoint triangle[] = {
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{x, y},
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{x + config.triangle_width, y + config.triangle_height/2},
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{x, y + config.triangle_height},
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{x, y}
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};
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XSetForeground(dpy, dc.gc, dc.selected[ColorFG].pixel);
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XFillPolygon(dpy, item->sel, dc.gc, triangle, LEN(triangle),
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Convex, CoordModeOrigin);
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XSetForeground(dpy, dc.gc, dc.normal[ColorFG].pixel);
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XFillPolygon(dpy, item->unsel, dc.gc, triangle, LEN(triangle),
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Convex, CoordModeOrigin);
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}
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/* draw icon */
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if (item->file != NULL && !iflag) {
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item->icon = loadicon(item->file);
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imlib_context_set_drawable(item->sel);
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imlib_context_set_image(item->icon);
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imlib_render_image_on_drawable(config.horzpadding, config.iconpadding);
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imlib_context_set_drawable(item->unsel);
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imlib_context_set_image(item->icon);
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imlib_render_image_on_drawable(config.horzpadding, config.iconpadding);
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}
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}
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}
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}
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/* setup the height, width and icon of the items of a menu */
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static void
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setupitems(struct Menu *menu)
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@ -526,7 +746,7 @@ setupitems(struct Menu *menu)
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menu->h += item->h;
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/* get length of item->label rendered in the font */
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XftTextExtentsUtf8(dpy, dc.font, (XftChar8 *)item->label,
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XftTextExtentsUtf8(dpy, dc.fonts[0], (XftChar8 *)item->label,
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item->labellen, &ext);
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/*
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@ -544,31 +764,6 @@ setupitems(struct Menu *menu)
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itemwidth = ext.xOff + config.triangle_width + config.horzpadding * 3;
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itemwidth += (iflag) ? 0 : config.iconsize + config.horzpadding;
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menu->w = MAX(menu->w, itemwidth);
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/* create icon */
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if (item->file != NULL && !iflag) {
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item->icon = loadicon(item->file);
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item->sel = XCreatePixmap(dpy, menu->win,
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config.iconsize, config.iconsize,
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DefaultDepth(dpy, screen));
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XSetForeground(dpy, dc.gc, dc.selected[ColorBG].pixel);
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XFillRectangle(dpy, item->sel, dc.gc, 0, 0,
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config.iconsize, config.iconsize);
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imlib_context_set_drawable(item->sel);
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imlib_context_set_image(item->icon);
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imlib_render_image_on_drawable(0, 0);
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item->unsel = XCreatePixmap(dpy, menu->win,
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config.iconsize, config.iconsize,
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DefaultDepth(dpy, screen));
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XSetForeground(dpy, dc.gc, dc.normal[ColorBG].pixel);
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XFillRectangle(dpy, item->unsel, dc.gc, 0, 0,
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config.iconsize, config.iconsize);
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imlib_context_set_drawable(item->unsel);
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imlib_context_set_image(item->icon);
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imlib_render_image_on_drawable(0, 0);
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}
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}
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}
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@ -617,6 +812,7 @@ setupmenu(struct Menu *menu, XClassHint *classh)
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/* setup size and position of menus */
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setupitems(menu);
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drawitems(menu);
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setupmenupos(menu);
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/* update menu geometry */
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@ -641,11 +837,6 @@ setupmenu(struct Menu *menu, XClassHint *classh)
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sizeh.min_height = sizeh.max_height = menu->h;
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XSetWMProperties(dpy, menu->win, &wintitle, NULL, NULL, 0, &sizeh, NULL, classh);
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/* create pixmap and XftDraw */
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menu->pixmap = XCreatePixmap(dpy, menu->win, menu->w, menu->h,
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DefaultDepth(dpy, screen));
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menu->draw = XftDrawCreate(dpy, menu->pixmap, visual, colormap);
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/* set WM protocols and ewmh window properties */
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XSetWMProtocols(dpy, menu->win, &wmdelete, 1);
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XChangeProperty(dpy, menu->win, netatom[NetWMName], utf8string, 8,
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@ -753,91 +944,22 @@ mapmenu(struct Menu *currmenu)
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prevmenu = currmenu;
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}
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/* draw separator item */
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/* copy pixmaps of items of the current menu and of its ancestors into menu window */
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static void
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drawseparator(struct Menu *menu, struct Item *item)
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{
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int y;
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y = item->y + item->h/2;
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XSetForeground(dpy, dc.gc, dc.separator.pixel);
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XDrawLine(dpy, menu->pixmap, dc.gc, config.horzpadding, y,
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menu->w - config.horzpadding, y);
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}
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/* draw regular item */
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static void
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drawitem(struct Menu *menu, struct Item *item, XftColor *color)
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{
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int x, y;
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x = config.horzpadding;
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x += (iflag) ? 0 : config.horzpadding + config.iconsize;
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y = item->y + (item->h + dc.font->ascent) / 2;
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XSetForeground(dpy, dc.gc, color[ColorFG].pixel);
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XftDrawStringUtf8(menu->draw, &color[ColorFG], dc.font,
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x, y, (XftChar8 *)item->label, item->labellen);
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/* draw triangle, if item contains a submenu */
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if (item->submenu != NULL) {
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x = menu->w - config.triangle_width - config.horzpadding;
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y = item->y + (item->h - config.triangle_height + 1) / 2;
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XPoint triangle[] = {
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{x, y},
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{x + config.triangle_width, y + config.triangle_height/2},
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{x, y + config.triangle_height},
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{x, y}
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};
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XFillPolygon(dpy, menu->pixmap, dc.gc, triangle, LEN(triangle),
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Convex, CoordModeOrigin);
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}
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/* draw icon */
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if (item->icon != NULL) {
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x = config.horzpadding;
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y = item->y + config.iconpadding;
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if (color == dc.selected)
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XCopyArea(dpy, item->sel, menu->pixmap, dc.gc, 0, 0,
|
||||
menu->w, menu->h, x, y);
|
||||
else
|
||||
XCopyArea(dpy, item->unsel, menu->pixmap, dc.gc, 0, 0,
|
||||
menu->w, menu->h, 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);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -927,7 +1049,7 @@ 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);
|
||||
|
|
@ -943,7 +1065,7 @@ run(struct Menu *currmenu)
|
|||
currmenu = menu;
|
||||
}
|
||||
mapmenu(currmenu);
|
||||
drawmenu(currmenu);
|
||||
copypixmaps(currmenu);
|
||||
break;
|
||||
case ButtonRelease:
|
||||
menu = getmenu(currmenu, ev.xbutton.window);
|
||||
|
|
@ -961,7 +1083,7 @@ selectitem:
|
|||
}
|
||||
mapmenu(currmenu);
|
||||
currmenu->selected = currmenu->list;
|
||||
drawmenu(currmenu);
|
||||
copypixmaps(currmenu);
|
||||
break;
|
||||
case ButtonPress:
|
||||
menu = getmenu(currmenu, ev.xbutton.window);
|
||||
|
|
@ -997,12 +1119,12 @@ 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);
|
||||
|
|
@ -1037,6 +1159,9 @@ 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);
|
||||
|
|
@ -1051,8 +1176,6 @@ cleanmenu(struct Menu *menu)
|
|||
free(tmp);
|
||||
}
|
||||
|
||||
XFreePixmap(dpy, menu->pixmap);
|
||||
XftDrawDestroy(menu->draw);
|
||||
XDestroyWindow(dpy, menu->win);
|
||||
free(menu);
|
||||
}
|
||||
|
|
|
|||
9
xmenu.h
9
xmenu.h
|
|
@ -8,6 +8,7 @@
|
|||
#define LEN(x) (sizeof (x) / sizeof (x[0]))
|
||||
#define MAX(x,y) ((x)>(y)?(x):(y))
|
||||
#define MIN(x,y) ((x)<(y)?(x):(y))
|
||||
#define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b))
|
||||
|
||||
/* color enum */
|
||||
enum {ColorFG, ColorBG, ColorLast};
|
||||
|
|
@ -49,7 +50,9 @@ struct DC {
|
|||
XftColor separator;
|
||||
|
||||
GC gc;
|
||||
XftFont *font;
|
||||
|
||||
XftFont **fonts;
|
||||
size_t nfonts;
|
||||
};
|
||||
|
||||
/* menu item structure */
|
||||
|
|
@ -63,7 +66,7 @@ struct Item {
|
|||
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 icons */
|
||||
Drawable sel, unsel; /* pixmap for selected and unselected item */
|
||||
Imlib_Image icon;
|
||||
};
|
||||
|
||||
|
|
@ -75,7 +78,5 @@ struct Menu {
|
|||
struct Item *selected; /* item currently selected in the menu */
|
||||
int x, y, w, h; /* menu geometry */
|
||||
unsigned level; /* menu level relative to root */
|
||||
Drawable pixmap; /* pixmap to draw the menu on */
|
||||
XftDraw *draw;
|
||||
Window win; /* menu window to map on the screen */
|
||||
};
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user