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Diffstat (limited to 'sys/cmd/dwm/drw.c')
-rw-r--r--sys/cmd/dwm/drw.c376
1 files changed, 0 insertions, 376 deletions
diff --git a/sys/cmd/dwm/drw.c b/sys/cmd/dwm/drw.c
deleted file mode 100644
index a6d6902..0000000
--- a/sys/cmd/dwm/drw.c
+++ /dev/null
@@ -1,376 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-#include "dwm.h"
-
-Drw *
-drw_create(Display *dpy, int screen, Window root, unsigned int w, unsigned int h)
-{
- Drw *drw = ecalloc(1, sizeof(Drw));
-
- drw->dpy = dpy;
- drw->screen = screen;
- drw->root = root;
- drw->w = w;
- drw->h = h;
- drw->drawable = XCreatePixmap(dpy, root, w, h, DefaultDepth(dpy, screen));
- drw->gc = XCreateGC(dpy, root, 0, NULL);
- XSetLineAttributes(dpy, drw->gc, 1, LineSolid, CapButt, JoinMiter);
-
- return drw;
-}
-
-void
-drw_resize(Drw *drw, unsigned int w, unsigned int h)
-{
- if (!drw)
- return;
-
- drw->w = w;
- drw->h = h;
- if (drw->drawable)
- XFreePixmap(drw->dpy, drw->drawable);
- drw->drawable = XCreatePixmap(drw->dpy, drw->root, w, h, DefaultDepth(drw->dpy, drw->screen));
-}
-
-void
-drw_free(Drw *drw)
-{
- XFreePixmap(drw->dpy, drw->drawable);
- XFreeGC(drw->dpy, drw->gc);
- free(drw);
-}
-
-/* This function is an implementation detail. Library users should use
- * drw_fontset_create instead.
- */
-static Fnt *
-xfont_create(Drw *drw, char *fontname, FcPattern *fontpattern)
-{
- Fnt *font;
- XftFont *xfont = NULL;
- FcPattern *pattern = NULL;
-
- if (fontname) {
- /* Using the pattern found at font->xfont->pattern does not yield the
- * same substitution results as using the pattern returned by
- * FcNameParse; using the latter results in the desired fallback
- * behaviour whereas the former just results in missing-character
- * rectangles being drawn, at least with some fonts. */
- if (!(xfont = XftFontOpenName(drw->dpy, drw->screen, fontname))) {
- fprintf(stderr, "error, cannot load font from name: '%s'\n", fontname);
- return NULL;
- }
- if (!(pattern = FcNameParse((FcChar8 *) fontname))) {
- fprintf(stderr, "error, cannot parse font name to pattern: '%s'\n", fontname);
- XftFontClose(drw->dpy, xfont);
- return NULL;
- }
- } else if (fontpattern) {
- if (!(xfont = XftFontOpenPattern(drw->dpy, fontpattern))) {
- fprintf(stderr, "error, cannot load font from pattern.\n");
- return NULL;
- }
- } else {
- fatal("no font specified.");
- }
-
- /* Do not allow using color fonts. This is a workaround for a BadLength
- * error from Xft with color glyphs. Modelled on the Xterm workaround. See
- * https://bugzilla.redhat.com/show_bug.cgi?id=1498269
- * https://lists.suckless.org/dev/1701/30932.html
- * https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=916349
- * and lots more all over the internet.
- */
- FcBool iscol;
- if(FcPatternGetBool(xfont->pattern, FC_COLOR, 0, &iscol) == FcResultMatch && iscol) {
- XftFontClose(drw->dpy, xfont);
- return NULL;
- }
-
- font = ecalloc(1, sizeof(Fnt));
- font->xfont = xfont;
- font->pattern = pattern;
- font->h = xfont->ascent + xfont->descent;
- font->dpy = drw->dpy;
-
- return font;
-}
-
-static void
-xfont_free(Fnt *font)
-{
- if (!font)
- return;
- if (font->pattern)
- FcPatternDestroy(font->pattern);
- XftFontClose(font->dpy, font->xfont);
- free(font);
-}
-
-Fnt*
-drw_fontset_create(Drw* drw, char *fonts[], size_t fontcount)
-{
- Fnt *cur, *ret = NULL;
- size_t i;
-
- if (!drw || !fonts)
- return NULL;
-
- for (i = 1; i <= fontcount; i++) {
- if ((cur = xfont_create(drw, fonts[fontcount - i], NULL))) {
- cur->next = ret;
- ret = cur;
- }
- }
- return (drw->fonts = ret);
-}
-
-void
-drw_fontset_free(Fnt *font)
-{
- if (font) {
- drw_fontset_free(font->next);
- xfont_free(font);
- }
-}
-
-void
-drw_clr_create(Drw *drw, Clr *dest, char *clrname)
-{
- if (!drw || !dest || !clrname)
- return;
-
- if (!XftColorAllocName(drw->dpy, DefaultVisual(drw->dpy, drw->screen),
- DefaultColormap(drw->dpy, drw->screen),
- clrname, dest))
- fatal("error, cannot allocate color '%s'", clrname);
-}
-
-/* Wrapper to create color schemes. The caller has to call free(3) on the
- * returned color scheme when done using it. */
-Clr *
-drw_scm_create(Drw *drw, char *clrnames[], size_t clrcount)
-{
- size_t i;
- Clr *ret;
-
- /* need at least two colors for a scheme */
- if (!drw || !clrnames || clrcount < 2 || !(ret = ecalloc(clrcount, sizeof(XftColor))))
- return NULL;
-
- for (i = 0; i < clrcount; i++)
- drw_clr_create(drw, &ret[i], clrnames[i]);
- return ret;
-}
-
-void
-drw_setfontset(Drw *drw, Fnt *set)
-{
- if (drw)
- drw->fonts = set;
-}
-
-void
-drw_setscheme(Drw *drw, Clr *scm)
-{
- if (drw)
- drw->scheme = scm;
-}
-
-void
-drw_rect(Drw *drw, int x, int y, unsigned int w, unsigned int h, int filled, int invert)
-{
- if (!drw || !drw->scheme)
- return;
- XSetForeground(drw->dpy, drw->gc, invert ? drw->scheme[ColBg].pixel : drw->scheme[ColFg].pixel);
- if (filled)
- XFillRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w, h);
- else
- XDrawRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w - 1, h - 1);
-}
-
-int
-drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lpad, char *text, int invert)
-{
- char buf[1024];
- int ty;
- unsigned int ew;
- XftDraw *d = NULL;
- Fnt *usedfont, *curfont, *nextfont;
- size_t i, len;
- int utf8strlen, utf8charlen, render = x || y || w || h;
- rune utf8codepoint = 0;
- char *utf8str;
- FcCharSet *fccharset;
- FcPattern *fcpattern;
- FcPattern *match;
- XftResult result;
- int charexists = 0;
-
- if (!drw || (render && !drw->scheme) || !text || !drw->fonts)
- return 0;
-
- if (!render) {
- w = ~w;
- } else {
- XSetForeground(drw->dpy, drw->gc, drw->scheme[invert ? ColFg : ColBg].pixel);
- XFillRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w, h);
- d = XftDrawCreate(drw->dpy, drw->drawable,
- DefaultVisual(drw->dpy, drw->screen),
- DefaultColormap(drw->dpy, drw->screen));
- x += lpad;
- w -= lpad;
- }
-
- usedfont = drw->fonts;
- while (1) {
- utf8strlen = 0;
- utf8str = text;
- nextfont = NULL;
- while (*text) {
- utf8charlen = utf8·decode(text, &utf8codepoint);
- for (curfont = drw->fonts; curfont; curfont = curfont->next) {
- charexists = charexists || XftCharExists(drw->dpy, curfont->xfont, utf8codepoint);
- if (charexists) {
- if (curfont == usedfont) {
- utf8strlen += utf8charlen;
- text += utf8charlen;
- } else {
- nextfont = curfont;
- }
- break;
- }
- }
-
- if (!charexists || nextfont)
- break;
- else
- charexists = 0;
- }
-
- if (utf8strlen) {
- drw_font_getexts(usedfont, utf8str, utf8strlen, &ew, NULL);
- /* shorten text if necessary */
- for (len = MIN(utf8strlen, sizeof(buf) - 1); len && ew > w; len--)
- drw_font_getexts(usedfont, utf8str, len, &ew, NULL);
-
- if (len) {
- memcpy(buf, utf8str, len);
- buf[len] = '\0';
- if (len < utf8strlen)
- for (i = len; i && i > len - 3; buf[--i] = '.')
- ; /* NOP */
-
- if (render) {
- ty = y + (h - usedfont->h) / 2 + usedfont->xfont->ascent;
- XftDrawStringUtf8(d, &drw->scheme[invert ? ColBg : ColFg],
- usedfont->xfont, x, ty, (XftChar8 *)buf, len);
- }
- x += ew;
- w -= ew;
- }
- }
-
- if (!*text) {
- break;
- } else if (nextfont) {
- charexists = 0;
- usedfont = nextfont;
- } else {
- /* Regardless of whether or not a fallback font is found, the
- * character must be drawn. */
- charexists = 1;
-
- fccharset = FcCharSetCreate();
- FcCharSetAddChar(fccharset, utf8codepoint);
-
- if (!drw->fonts->pattern) {
- /* Refer to the comment in xfont_create for more information. */
- fatal("the first font in the cache must be loaded from a font string.");
- }
-
- fcpattern = FcPatternDuplicate(drw->fonts->pattern);
- FcPatternAddCharSet(fcpattern, FC_CHARSET, fccharset);
- FcPatternAddBool(fcpattern, FC_SCALABLE, FcTrue);
- FcPatternAddBool(fcpattern, FC_COLOR, FcFalse);
-
- FcConfigSubstitute(NULL, fcpattern, FcMatchPattern);
- FcDefaultSubstitute(fcpattern);
- match = XftFontMatch(drw->dpy, drw->screen, fcpattern, &result);
-
- FcCharSetDestroy(fccharset);
- FcPatternDestroy(fcpattern);
-
- if (match) {
- usedfont = xfont_create(drw, NULL, match);
- if (usedfont && XftCharExists(drw->dpy, usedfont->xfont, utf8codepoint)) {
- for (curfont = drw->fonts; curfont->next; curfont = curfont->next)
- ; /* NOP */
- curfont->next = usedfont;
- } else {
- xfont_free(usedfont);
- usedfont = drw->fonts;
- }
- }
- }
- }
- if (d)
- XftDrawDestroy(d);
-
- return x + (render ? w : 0);
-}
-
-void
-drw_map(Drw *drw, Window win, int x, int y, unsigned int w, unsigned int h)
-{
- if (!drw)
- return;
-
- XCopyArea(drw->dpy, drw->drawable, win, drw->gc, x, y, w, h, x, y);
- XSync(drw->dpy, False);
-}
-
-unsigned int
-drw_fontset_getwidth(Drw *drw, char *text)
-{
- if (!drw || !drw->fonts || !text)
- return 0;
- return drw_text(drw, 0, 0, 0, 0, 0, text, 0);
-}
-
-void
-drw_font_getexts(Fnt *font, char *text, unsigned int len, unsigned int *w, unsigned int *h)
-{
- XGlyphInfo ext;
-
- if (!font || !text)
- return;
-
- XftTextExtentsUtf8(font->dpy, font->xfont, (XftChar8 *)text, len, &ext);
- if (w)
- *w = ext.xOff;
- if (h)
- *h = font->h;
-}
-
-Cur *
-drw_cur_create(Drw *drw, int shape)
-{
- Cur *cur;
-
- if (!drw || !(cur = ecalloc(1, sizeof(Cur))))
- return NULL;
-
- cur->cursor = XCreateFontCursor(drw->dpy, shape);
-
- return cur;
-}
-
-void
-drw_cur_free(Drw *drw, Cur *cursor)
-{
- if (!cursor)
- return;
-
- XFreeCursor(drw->dpy, cursor->cursor);
- free(cursor);
-}
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