From 665488a6eedeecf743e44bd9624105c8b47c4f97 Mon Sep 17 00:00:00 2001
From: "Anselm R. Garbe" <arg@suckless.org>
Date: Mon, 19 Feb 2007 15:49:50 +0100
Subject: removed draw.c, implemented C-w handling (backward word deletion)

---
 main.c | 127 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 125 insertions(+), 2 deletions(-)

(limited to 'main.c')

diff --git a/main.c b/main.c
index f1f71fd..0840643 100644
--- a/main.c
+++ b/main.c
@@ -44,6 +44,22 @@ static Item *curr = NULL;
 static Window root;
 static Window win;
 
+static unsigned int
+textnw(const char *text, unsigned int len) {
+	XRectangle r;
+
+	if(dc.font.set) {
+		XmbTextExtents(dc.font.set, text, len, NULL, &r);
+		return r.width;
+	}
+	return XTextWidth(dc.font.xfont, text, len);
+}
+
+static unsigned int
+textw(const char *text) {
+	return textnw(text, strlen(text)) + dc.font.height;
+}
+
 static void
 calcoffsets(void) {
 	unsigned int tw, w;
@@ -70,6 +86,53 @@ calcoffsets(void) {
 	}
 }
 
+static void
+drawtext(const char *text, unsigned long col[ColLast]) {
+	int x, y, w, h;
+	static char buf[256];
+	unsigned int len, olen;
+	XGCValues gcv;
+	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;
+	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 */
+	gcv.foreground = col[ColFG];
+	if(dc.font.set) {
+		XChangeGC(dpy, dc.gc, GCForeground, &gcv);
+		XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc,
+				x, y, buf, len);
+	}
+	else {
+		gcv.font = dc.font.xfont->fid;
+		XChangeGC(dpy, dc.gc, GCForeground | GCFont, &gcv);
+		XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
+	}
+}
+
 static void
 drawmenu(void) {
 	Item *i;
@@ -111,6 +174,54 @@ drawmenu(void) {
 	XFlush(dpy);
 }
 
+static unsigned long
+getcolor(const char *colstr) {
+	Colormap cmap = DefaultColormap(dpy, screen);
+	XColor color;
+
+	if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
+		eprint("error, cannot allocate color '%s'\n", colstr);
+	return color.pixel;
+}
+
+static void
+setfont(const char *fontstr) {
+	char *def, **missing;
+	int i, n;
+
+	missing = NULL;
+	if(dc.font.set)
+		XFreeFontSet(dpy, dc.font.set);
+	dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
+	if(missing)
+		XFreeStringList(missing);
+	if(dc.font.set) {
+		XFontSetExtents *font_extents;
+		XFontStruct **xfonts;
+		char **font_names;
+		dc.font.ascent = dc.font.descent = 0;
+		font_extents = XExtentsOfFontSet(dc.font.set);
+		n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
+		for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {
+			if(dc.font.ascent < (*xfonts)->ascent)
+				dc.font.ascent = (*xfonts)->ascent;
+			if(dc.font.descent < (*xfonts)->descent)
+				dc.font.descent = (*xfonts)->descent;
+			xfonts++;
+		}
+	}
+	else {
+		if(dc.font.xfont)
+			XFreeFont(dpy, dc.font.xfont);
+		dc.font.xfont = NULL;
+		if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr)))
+			eprint("error, 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;
+}
+
 static void
 match(char *pattern) {
 	unsigned int plen;
@@ -151,8 +262,8 @@ match(char *pattern) {
 static void
 kpress(XKeyEvent * e) {
 	char buf[32];
-	int num, prev_nitem;
-	unsigned int i, len;
+	int i, num, prev_nitem;
+	unsigned int len;
 	KeySym ksym;
 
 	len = strlen(text);
@@ -188,6 +299,18 @@ kpress(XKeyEvent * e) {
 			match(text);
 			drawmenu();
 			return;
+		case XK_w:
+		case XK_W:
+			if(len) {
+				i = len - 1;
+				while(i >= 0 && text[i] == ' ')
+					text[i--] = 0;
+				while(i >= 0 && text[i] != ' ')
+					text[i--] = 0;
+				match(text);
+				drawmenu();
+			}
+			return;
 		}
 	}
 	if(CLEANMASK(e->state) & Mod1Mask) {
-- 
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