-/* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>
- * (C)opyright MMVI-MMVII Sander van Dijk <a dot h dot vandijk at gmail dot com>
- * See LICENSE file for license details.
- */
-#include "dmenu.h"
-#include <string.h>
+/* See LICENSE file for copyright and license details. */
-/* extern */
+/* enums */
+enum { ColFG, ColBG, ColLast };
+
+/* typedefs */
+typedef struct {
+ int x, y, w, h;
+ unsigned long norm[ColLast];
+ unsigned long sel[ColLast];
+ Drawable drawable;
+ GC gc;
+ struct {
+ XFontStruct *xfont;
+ XFontSet set;
+ int ascent;
+ int descent;
+ int height;
+ } font;
+} DC; /* draw context */
+
+/* forward declarations */
+static void dccleanup(void);
+static void dcsetup(void);
+static void drawtext(const char *text, unsigned long col[ColLast]);
+static unsigned long getcolor(const char *colstr);
+static void initfont(const char *fontstr);
+static int textnw(const char *text, unsigned int len);
+static int textw(const char *text);
+
+static DC dc;
+
+void
+dccleanup(void) {
+ if(dc.font.set)
+ XFreeFontSet(dpy, dc.font.set);
+ else
+ XFreeFont(dpy, dc.font.xfont);
+ XFreePixmap(dpy, dc.drawable);
+ XFreeGC(dpy, dc.gc);
+}
+
+void
+dcsetup(void) {
+ /* style */
+ dc.norm[ColBG] = getcolor(normbgcolor);
+ dc.norm[ColFG] = getcolor(normfgcolor);
+ dc.sel[ColBG] = getcolor(selbgcolor);
+ dc.sel[ColFG] = getcolor(selfgcolor);
+ initfont(font);
+
+ /* pixmap */
+ dc.drawable = XCreatePixmap(dpy, parent, mw, mh, DefaultDepth(dpy, screen));
+ dc.gc = XCreateGC(dpy, parent, 0, NULL);
+ XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
+ if(!dc.font.set)
+ XSetFont(dpy, dc.gc, dc.font.xfont->fid);
+}
void
drawtext(const char *text, unsigned long col[ColLast]) {
- int x, y, w, h;
- static char buf[256];
- unsigned int len, olen;
+ char buf[256];
+ int i, x, y, h, len, olen;
XRectangle r = { dc.x, dc.y, dc.w, dc.h };
XSetForeground(dpy, dc.gc, col[ColBG]);
XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
if(!text)
return;
- w = 0;
- olen = len = strlen(text);
- if(len >= sizeof buf)
- len = sizeof buf - 1;
- memcpy(buf, text, len);
- buf[len] = 0;
- h = dc.font.ascent + dc.font.descent;
- y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent;
+ olen = strlen(text);
+ h = dc.font.height;
+ y = dc.y + ((h+2) / 2) - (h / 2) + dc.font.ascent;
x = dc.x + (h / 2);
/* shorten text if necessary */
- while(len && (w = textnw(buf, len)) > dc.w - h)
- buf[--len] = 0;
- if(len < olen) {
- if(len > 1)
- buf[len - 1] = '.';
- if(len > 2)
- buf[len - 2] = '.';
- if(len > 3)
- buf[len - 3] = '.';
- }
- if(w > dc.w)
- return; /* too long */
+ for(len = MIN(olen, sizeof buf); len && textnw(text, len) > dc.w - h; len--);
+ if(!len)
+ return;
+ memcpy(buf, text, len);
+ if(len < olen)
+ for(i = len; i && i > len - 3; buf[--i] = '.');
XSetForeground(dpy, dc.gc, col[ColFG]);
if(dc.font.set)
XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);
XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
}
-unsigned int
-textw(const char *text) {
- return textnw(text, strlen(text)) + dc.font.height;
+unsigned long
+getcolor(const char *colstr) {
+ Colormap cmap = DefaultColormap(dpy, screen);
+ XColor color;
+
+ if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
+ eprint("drawtext: cannot allocate color '%s'\n", colstr);
+ return color.pixel;
+}
+
+void
+initfont(const char *fontstr) {
+ char *def, **missing = NULL;
+ int i, n;
+
+ if(!fontstr || fontstr[0] == '\0')
+ eprint("drawtext: cannot load font: '%s'\n", fontstr);
+ dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
+ if(missing)
+ XFreeStringList(missing);
+ if(dc.font.set) {
+ XFontStruct **xfonts;
+ char **font_names;
+ dc.font.ascent = dc.font.descent = 0;
+ n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
+ for(i = 0; i < n; i++) {
+ dc.font.ascent = MAX(dc.font.ascent, (*xfonts)->ascent);
+ dc.font.descent = MAX(dc.font.descent, (*xfonts)->descent);
+ xfonts++;
+ }
+ }
+ else {
+ if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr))
+ && !(dc.font.xfont = XLoadQueryFont(dpy, "fixed")))
+ eprint("drawtext: cannot load font: '%s'\n", fontstr);
+ dc.font.ascent = dc.font.xfont->ascent;
+ dc.font.descent = dc.font.xfont->descent;
+ }
+ dc.font.height = dc.font.ascent + dc.font.descent;
}
-unsigned int
+int
textnw(const char *text, unsigned int len) {
XRectangle r;
}
return XTextWidth(dc.font.xfont, text, len);
}
+
+int
+textw(const char *text) {
+ return textnw(text, strlen(text)) + dc.font.height;
+}