X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;f=dmenu.c;h=8c0ea41432fb6f08961154c024a9bc6ba9d900ec;hb=9f3b0c6ea843340b87a045ea0afd2d1b33425eee;hp=ec6260222c3a103944d9797d828970641bd54476;hpb=97797d90a6396c2fc0109a7bd47bb260d1143c8a;p=dmenu.git

diff --git a/dmenu.c b/dmenu.c
index ec62602..8c0ea41 100644
--- a/dmenu.c
+++ b/dmenu.c
@@ -21,25 +21,6 @@
 #define MAX(a, b)               ((a) > (b) ? (a) : (b))
 #define IS_UTF8_1ST_CHAR(c)     ((((c) & 0xc0) == 0xc0) || !((c) & 0x80))
 
-/* 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 */
-
 typedef struct Item Item;
 struct Item {
 	char *text;
@@ -53,24 +34,19 @@ static void calcoffsetsh(void);
 static void calcoffsetsv(void);
 static char *cistrstr(const char *s, const char *sub);
 static void cleanup(void);
-static void drawcursor(void);
+static void dinput(void);
 static void drawmenu(void);
 static void drawmenuh(void);
 static void drawmenuv(void);
-static void drawtext(const char *text, unsigned long col[ColLast]);
-static void eprint(const char *errstr, ...);
-static unsigned long getcolor(const char *colstr);
 static Bool grabkeyboard(void);
-static void initfont(const char *fontstr);
-static void kpress(XKeyEvent * e);
+static void kpress(XKeyEvent *e);
 static void match(char *pattern);
 static void readstdin(void);
 static void run(void);
 static void setup(Bool topbar);
-static int textnw(const char *text, unsigned int len);
-static int textw(const char *text);
 
 #include "config.h"
+#include "draw.h"
 
 /* variables */
 static char *maxname = NULL;
@@ -80,22 +56,23 @@ static int cmdw = 0;
 static int promptw = 0;
 static int ret = 0;
 static int screen;
-static unsigned int mw, mh;
-static unsigned int cursor = 0;
+static unsigned int lines = 0;
 static unsigned int numlockmask = 0;
+static unsigned int mw, mh;
+static unsigned long normcol[ColLast];
+static unsigned long selcol[ColLast];
 static Bool running = True;
-static Display *dpy;
 static DC dc;
+static Display *dpy;
 static Item *allitems = NULL;  /* first of all items */
 static Item *item = NULL;      /* first of pattern matching items */
 static Item *sel = NULL;
 static Item *next = NULL;
 static Item *prev = NULL;
 static Item *curr = NULL;
-static Window parent, win;
+static Window win, parent;
 static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
 static char *(*fstrstr)(const char *, const char *) = strstr;
-static unsigned int lines = 0;
 static void (*calcoffsets)(void) = calcoffsetsh;
 
 void
@@ -113,28 +90,25 @@ void
 calcoffsetsh(void) {
 	unsigned int w;
 
-	if(!curr)
-		return;
-	w = promptw + cmdw + 2 * spaceitem;
-	for(next = curr; next && w < mw; next=next->right)
-		w += MIN(textw(next->text), mw / 3);
-	w = promptw + cmdw + 2 * spaceitem;
-	for(prev = curr; prev && prev->left && w < mw; prev=prev->left)
-		w += MIN(textw(prev->left->text), mw / 3);
+	w = promptw + cmdw + (2 * spaceitem);
+	for(next = curr; next; next = next->right)
+		if((w += MIN(textw(&dc, next->text), mw / 3)) > mw)
+			break;
+	w = promptw + cmdw + (2 * spaceitem);
+	for(prev = curr; prev && prev->left; prev = prev->left)
+		if((w += MIN(textw(&dc, prev->left->text), mw / 3)) > mw)
+			break;
 }
 
 void
 calcoffsetsv(void) {
-	unsigned int h;
+	unsigned int i;
 
-	if(!curr)
-		return;
-	h = (dc.font.height + 2) * lines;
-	for(next = curr; next && h > 0; next = next->right)
-		h -= dc.font.height + 2;
-	h = (dc.font.height + 2) * lines;
-	for(prev = curr; prev && prev->left && h > 0; prev = prev->left)
-		h -= dc.font.height + 2;
+	next = prev = curr;
+	for(i = 0; i < lines && next; i++)
+		next = next->right;
+	for(i = 0; i < lines && prev && prev->left; i++)
+		prev = prev->left;
 }
 
 char *
@@ -161,24 +135,24 @@ cistrstr(const char *s, const char *sub) {
 
 void
 cleanup(void) {
-	if(dc.font.set)
-		XFreeFontSet(dpy, dc.font.set);
-	else
-		XFreeFont(dpy, dc.font.xfont);
-	XFreePixmap(dpy, dc.drawable);
-	XFreeGC(dpy, dc.gc);
+	Item *itm;
+
+	while(allitems) {
+		itm = allitems->next;
+		free(allitems->text);
+		free(allitems);
+		allitems = itm;
+	}
+	cleanupdraw(&dc);
 	XDestroyWindow(dpy, win);
 	XUngrabKeyboard(dpy, CurrentTime);
 }
 
 void
-drawcursor(void) {
-	XRectangle r = { dc.x, dc.y + 2, 1, dc.font.height - 2 };
-
-	r.x += textnw(text, cursor) + dc.font.height / 2;
-
-	XSetForeground(dpy, dc.gc, dc.norm[ColFG]);
-	XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
+dinput(void) {
+	cleanup();
+	execlp("dinput", "dinput", text, NULL); /* todo: argv */
+	eprint("cannot exec dinput\n");
 }
 
 void
@@ -187,19 +161,18 @@ drawmenu(void) {
 	dc.y = 0;
 	dc.w = mw;
 	dc.h = mh;
-	drawtext(NULL, dc.norm);
+	drawtext(&dc, NULL, normcol);
 	/* print prompt? */
 	if(prompt) {
 		dc.w = promptw;
-		drawtext(prompt, dc.sel);
+		drawtext(&dc, prompt, selcol);
 		dc.x += dc.w;
 	}
 	dc.w = mw - dc.x;
 	/* print command */
 	if(cmdw && item && lines == 0)
 		dc.w = cmdw;
-	drawtext(*text ? text : NULL, dc.norm);
-	drawcursor();
+	drawtext(&dc, *text ? text : NULL, normcol);
 	if(curr) {
 		if(lines > 0)
 			drawmenuv();
@@ -216,16 +189,16 @@ drawmenuh(void) {
 
 	dc.x += cmdw;
 	dc.w = spaceitem;
-	drawtext(curr->left ? "<" : NULL, dc.norm);
+	drawtext(&dc, curr->left ? "<" : NULL, normcol);
 	dc.x += dc.w;
-	for(i = curr; i != next; i=i->right) {
-		dc.w = MIN(textw(i->text), mw / 3);
-		drawtext(i->text, (sel == i) ? dc.sel : dc.norm);
+	for(i = curr; i != next; i = i->right) {
+		dc.w = MIN(textw(&dc, i->text), mw / 3);
+		drawtext(&dc, i->text, (sel == i) ? selcol : normcol);
 		dc.x += dc.w;
 	}
 	dc.w = spaceitem;
 	dc.x = mw - dc.w;
-	drawtext(next ? ">" : NULL, dc.norm);
+	drawtext(&dc, next ? ">" : NULL, normcol);
 }
 
 void
@@ -235,60 +208,12 @@ drawmenuv(void) {
 	dc.w = mw - dc.x;
 	dc.h = dc.font.height + 2;
 	dc.y = dc.h;
-	for(i = curr; i != next; i=i->right) {
-		drawtext(i->text, (sel == i) ? dc.sel : dc.norm);
+	for(i = curr; i != next; i = i->right) {
+		drawtext(&dc, i->text, (sel == i) ? selcol : normcol);
 		dc.y += dc.h;
 	}
 	dc.h = mh - dc.y;
-	drawtext(NULL, dc.norm);
-}
-
-void
-drawtext(const char *text, unsigned long col[ColLast]) {
-	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;
-	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 */
-	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);
-	else
-		XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
-}
-
-void
-eprint(const char *errstr, ...) {
-	va_list ap;
-
-	va_start(ap, errstr);
-	vfprintf(stderr, errstr, ap);
-	va_end(ap);
-	exit(EXIT_FAILURE);
-}
-
-unsigned long
-getcolor(const char *colstr) {
-	Colormap cmap = DefaultColormap(dpy, screen);
-	XColor color;
-
-	if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
-		eprint("dmenu: cannot allocate color '%s'\n", colstr);
-	return color.pixel;
+	drawtext(&dc, NULL, normcol);
 }
 
 Bool
@@ -305,38 +230,7 @@ grabkeyboard(void) {
 }
 
 void
-initfont(const char *fontstr) {
-	char *def, **missing = NULL;
-	int i, n;
-
-	if(!fontstr || fontstr[0] == '\0')
-		eprint("dmenu: 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("dmenu: 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;
-}
-
-void
-kpress(XKeyEvent * e) {
+kpress(XKeyEvent *e) {
 	char buf[sizeof text];
 	int num;
 	unsigned int i, len;
@@ -355,17 +249,23 @@ kpress(XKeyEvent * e) {
 	/* first check if a control mask is omitted */
 	if(e->state & ControlMask) {
 		switch(tolower(ksym)) {
-		default:	/* ignore other control sequences */
+		default:
 			return;
 		case XK_a:
 			ksym = XK_Home;
 			break;
+		case XK_b:
+			ksym = XK_Left;
+			break;
 		case XK_c:
 			ksym = XK_Escape;
 			break;
 		case XK_e:
 			ksym = XK_End;
 			break;
+		case XK_f:
+			ksym = XK_Right;
+			break;
 		case XK_h:
 			ksym = XK_BackSpace;
 			break;
@@ -373,95 +273,51 @@ kpress(XKeyEvent * e) {
 			ksym = XK_Tab;
 			break;
 		case XK_j:
+		case XK_m:
 			ksym = XK_Return;
 			break;
-		case XK_k:
-			text[cursor] = '\0';
+		case XK_n:
+			ksym = XK_Down;
+			break;
+		case XK_p:
+			ksym = XK_Up;
 			break;
 		case XK_u:
-			memmove(text, text + cursor, sizeof text - cursor + 1);
-			cursor = 0;
+			text[0] = '\0';
 			match(text);
 			break;
 		case XK_w:
-			if(cursor > 0) {
-				i = cursor;
-				while(i-- > 0 && text[i] == ' ');
-				while(i-- > 0 && text[i] != ' ');
-				memmove(text + i + 1, text + cursor, sizeof text - cursor + 1);
-				cursor = i + 1;
-				match(text);
-			}
-			break;
-		}
-	}
-	if(CLEANMASK(e->state) & Mod1Mask) {
-		switch(ksym) {
-		default:
-			return;
-		case XK_h:
-			ksym = XK_Left;
-			break;
-		case XK_l:
-			ksym = XK_Right;
-			break;
-		case XK_j:
-			ksym = XK_Next;
-			break;
-		case XK_k:
-			ksym = XK_Prior;
-			break;
-		case XK_g:
-			ksym = XK_Home;
-			break;
-		case XK_G:
-			ksym = XK_End;
+			if(len == 0)
+				return;
+			i = len;
+			while(i-- > 0 && text[i] == ' ');
+			while(i-- > 0 && text[i] != ' ');
+			text[++i] = '\0';
+			match(text);
 			break;
-		case XK_p:
-			{
-				FILE *fp;
-				char *s;
-				if(!(fp = popen("sselp", "r")))
-					eprint("dmenu: cannot popen sselp\n");
-				s = fgets(buf, sizeof buf, fp);
-				pclose(fp);
-				if(s == NULL)
-					return;
-			}
-			num = strlen(buf);
-			if(num && buf[num-1] == '\n')
-				buf[--num] = '\0';
+		case XK_x:
+			dinput();
 			break;
 		}
 	}
 	switch(ksym) {
 	default:
-		num = MIN(num, sizeof text - cursor);
+		num = MIN(num, sizeof text);
 		if(num && !iscntrl((int) buf[0])) {
-			memmove(text + cursor + num, text + cursor, sizeof text - cursor - num);
-			memcpy(text + cursor, buf, num);
-			cursor += num;
+			memcpy(text + len, buf, num + 1);
+			len += num;
 			match(text);
 		}
 		break;
 	case XK_BackSpace:
-		if(cursor == 0)
+		if(len == 0)
 			return;
-		for(i = 1; cursor - i > 0 && !IS_UTF8_1ST_CHAR(text[cursor - i]); i++);
-		memmove(text + cursor - i, text + cursor, sizeof text - cursor + i);
-		cursor -= i;
-		match(text);
-		break;
-	case XK_Delete:
-		for(i = 1; cursor + i < len && !IS_UTF8_1ST_CHAR(text[cursor + i]); i++);
-		memmove(text + cursor, text + cursor + i, sizeof text - cursor);
+		for(i = 1; len - i > 0 && !IS_UTF8_1ST_CHAR(text[len - i]); i++);
+		len -= i;
+		text[len] = '\0';
 		match(text);
 		break;
 	case XK_End:
-		if(cursor < len) {
-			cursor = len;
-			break;
-		}
 		while(next) {
 			sel = curr = next;
 			calcoffsets();
@@ -474,26 +330,18 @@ kpress(XKeyEvent * e) {
 		running = False;
 		return;
 	case XK_Home:
-		if(sel == item) {
-			cursor = 0;
-			break;
-		}
 		sel = curr = item;
 		calcoffsets();
 		break;
 	case XK_Left:
 	case XK_Up:
-		if(sel && sel->left){
-			sel = sel->left;
-			if(sel->right == curr) {
-				curr = prev;
-				calcoffsets();
-			}
-		}
-		else if(cursor > 0)
-			while(cursor-- > 0 && !IS_UTF8_1ST_CHAR(text[cursor]));
-		else
+		if(!sel || !sel->left)
 			return;
+		sel = sel->left;
+		if(sel->right == curr) {
+			curr = prev;
+			calcoffsets();
+		}
 		break;
 	case XK_Next:
 		if(!next)
@@ -517,24 +365,18 @@ kpress(XKeyEvent * e) {
 		return;
 	case XK_Right:
 	case XK_Down:
-		if(cursor < len)
-			while(cursor++ < len && !IS_UTF8_1ST_CHAR(text[cursor]));
-		else if(sel && sel->right) {
-			sel = sel->right;
-			if(sel == next) {
-				curr = next;
-				calcoffsets();
-			}
-		}
-		else
+		if(!sel || !sel->right)
 			return;
+		sel = sel->right;
+		if(sel == next) {
+			curr = next;
+			calcoffsets();
+		}
 		break;
 	case XK_Tab:
-		if(!sel)
-			return;
-		strncpy(text, sel->text, sizeof text);
-		cursor = strlen(text);
-		match(text);
+		if(sel)
+			strncpy(text, sel->text, sizeof text);
+		dinput();
 		break;
 	}
 	drawmenu();
@@ -593,11 +435,11 @@ readstdin(void) {
 		if(buf[len-1] == '\n')
 			buf[--len] = '\0';
 		if(!(p = strdup(buf)))
-			eprint("dmenu: cannot strdup %u bytes\n", len);
+			eprint("cannot strdup %u bytes\n", len);
 		if((max = MAX(max, len)) == len)
 			maxname = p;
 		if(!(new = malloc(sizeof *new)))
-			eprint("dmenu: cannot malloc %u bytes\n", sizeof *new);
+			eprint("cannot malloc %u bytes\n", sizeof *new);
 		new->next = new->left = new->right = NULL;
 		new->text = p;
 		if(!i)
@@ -650,17 +492,17 @@ setup(Bool topbar) {
 		}
 	XFreeModifiermap(modmap);
 
-	/* style */
-	dc.norm[ColBG] = getcolor(normbgcolor);
-	dc.norm[ColFG] = getcolor(normfgcolor);
-	dc.sel[ColBG] = getcolor(selbgcolor);
-	dc.sel[ColFG] = getcolor(selfgcolor);
-	initfont(font);
+	dc.dpy = dpy;
+	normcol[ColBG] = getcolor(&dc, normbgcolor);
+	normcol[ColFG] = getcolor(&dc, normfgcolor);
+	selcol[ColBG] = getcolor(&dc, selbgcolor);
+	selcol[ColFG] = getcolor(&dc, selfgcolor);
+	initfont(&dc, font);
 
 	/* menu window */
 	wa.override_redirect = True;
 	wa.background_pixmap = ParentRelative;
-	wa.event_mask = ExposureMask | ButtonPressMask | KeyPressMask | VisibilityChangeMask;
+	wa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
 
 	/* menu window geometry */
 	mh = (dc.font.height + 2) * (lines + 1);
@@ -695,43 +537,23 @@ setup(Bool topbar) {
 			DefaultVisual(dpy, screen),
 			CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
 
-	/* 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);
+	setupdraw(&dc, win);
 	if(maxname)
-		cmdw = MIN(textw(maxname), mw / 3);
+		cmdw = MIN(textw(&dc, maxname), mw / 3);
 	if(prompt)
-		promptw = MIN(textw(prompt), mw / 5);
+		promptw = MIN(textw(&dc, prompt), mw / 5);
 	text[0] = '\0';
 	match(text);
 	XMapRaised(dpy, win);
 }
 
-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);
-}
-
-int
-textw(const char *text) {
-	return textnw(text, strlen(text)) + dc.font.height;
-}
-
 int
 main(int argc, char *argv[]) {
 	unsigned int i;
 	Bool topbar = True;
 
 	/* command line args */
+	progname = argv[0];
 	for(i = 1; i < argc; i++)
 		if(!strcmp(argv[i], "-i")) {
 			fstrncmp = strncasecmp;
@@ -773,7 +595,7 @@ main(int argc, char *argv[]) {
 	if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
 		fprintf(stderr, "dmenu: warning: no locale support\n");
 	if(!(dpy = XOpenDisplay(NULL)))
-		eprint("dmenu: cannot open display\n");
+		eprint("cannot open display\n");
 	screen = DefaultScreen(dpy);
 	if(!parent)
 		parent = RootWindow(dpy, screen);