X-Git-Url: https://git.xinqibao.xyz/dmenu.git/blobdiff_plain/f1848a3ef0d5e230761b6b9b5b7490d7be945154..dd29c5d48084ae0f61a43bfbd5119fb480d83fb7:/dmenu.c

diff --git a/dmenu.c b/dmenu.c
index 6c1407d..841af4a 100644
--- a/dmenu.c
+++ b/dmenu.c
@@ -13,9 +13,10 @@
 #endif
 #include "draw.h"
 
-#define INRECT(x,y,rx,ry,rw,rh) ((x) >= (rx) && (x) < (rx)+(rw) && (y) >= (ry) && (y) < (ry)+(rh))
-#define MIN(a,b)                ((a) < (b) ? (a) : (b))
-#define MAX(a,b)                ((a) > (b) ? (a) : (b))
+#define INTERSECT(x,y,w,h,r)  (MAX(0, MIN((x)+(w),(r).x_org+(r).width)  - MAX((x),(r).x_org)) \
+                             * MAX(0, MIN((y)+(h),(r).y_org+(r).height) - MAX((y),(r).y_org)))
+#define MIN(a,b)              ((a) < (b) ? (a) : (b))
+#define MAX(a,b)              ((a) > (b) ? (a) : (b))
 
 typedef struct Item Item;
 struct Item {
@@ -30,7 +31,7 @@ static void drawmenu(void);
 static void grabkeyboard(void);
 static void insert(const char *str, ssize_t n);
 static void keypress(XKeyEvent *ev);
-static void match(Bool sub);
+static void match(void);
 static size_t nextrune(int inc);
 static void paste(void);
 static void readstdin(void);
@@ -41,7 +42,6 @@ static void usage(void);
 static char text[BUFSIZ] = "";
 static int bh, mw, mh;
 static int inputw, promptw;
-static int lines = 0;
 static size_t cursor = 0;
 static const char *font = NULL;
 static const char *prompt = NULL;
@@ -49,6 +49,7 @@ static const char *normbgcolor = "#cccccc";
 static const char *normfgcolor = "#000000";
 static const char *selbgcolor  = "#0066ff";
 static const char *selfgcolor  = "#ffffff";
+static unsigned int lines = 0;
 static unsigned long normcol[ColLast];
 static unsigned long selcol[ColLast];
 static Atom utf8;
@@ -58,6 +59,7 @@ static Item *items = NULL;
 static Item *matches, *matchend;
 static Item *prev, *curr, *next, *sel;
 static Window win;
+static XIC xic;
 
 static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
 static char *(*fstrstr)(const char *, const char *) = strstr;
@@ -120,10 +122,10 @@ main(int argc, char *argv[]) {
 
 void
 appenditem(Item *item, Item **list, Item **last) {
-	if(!*last)
-		*list = item;
-	else
+	if(*last)
 		(*last)->right = item;
+	else
+		*list = item;
 
 	item->left = *last;
 	item->right = NULL;
@@ -223,15 +225,19 @@ insert(const char *str, ssize_t n) {
 	if(n > 0)
 		memcpy(&text[cursor], str, n);
 	cursor += n;
-	match(n > 0 && text[cursor] == '\0');
+	match();
 }
 
 void
 keypress(XKeyEvent *ev) {
 	char buf[32];
-	KeySym ksym;
+	int len;
+	KeySym ksym = NoSymbol;
+	Status status;
 
-	XLookupString(ev, buf, sizeof buf, &ksym, NULL);
+	len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status);
+	if(status == XBufferOverflow)
+		return;
 	if(ev->state & ControlMask) {
 		KeySym lower, upper;
 
@@ -252,7 +258,7 @@ keypress(XKeyEvent *ev) {
 
 		case XK_k: /* delete right */
 			text[cursor] = '\0';
-			match(False);
+			match();
 			break;
 		case XK_u: /* delete left */
 			insert(NULL, 0 - cursor);
@@ -273,7 +279,7 @@ keypress(XKeyEvent *ev) {
 	switch(ksym) {
 	default:
 		if(!iscntrl(*buf))
-			insert(buf, strlen(buf));
+			insert(buf, len);
 		break;
 	case XK_Delete:
 		if(text[cursor] == '\0')
@@ -355,33 +361,44 @@ keypress(XKeyEvent *ev) {
 			return;
 		strncpy(text, sel->text, sizeof text);
 		cursor = strlen(text);
-		match(True);
+		match();
 		break;
 	}
 	drawmenu();
 }
 
 void
-match(Bool sub) {
-	size_t len = strlen(text);
-	Item *lexact, *lprefix, *lsubstr, *exactend, *prefixend, *substrend;
-	Item *item, *lnext;
-
-	lexact = lprefix = lsubstr = exactend = prefixend = substrend = NULL;
-	for(item = sub ? matches : items; item && item->text; item = lnext) {
-		lnext = sub ? item->right : item + 1;
-		if(!fstrncmp(text, item->text, len + 1))
-			appenditem(item, &lexact, &exactend);
-		else if(!fstrncmp(text, item->text, len))
+match(void) {
+	static char **tokv = NULL;
+	static int tokn = 0;
+
+	char buf[sizeof text], *s;
+	int i, tokc = 0;
+	size_t len;
+	Item *item, *lprefix, *lsubstr, *prefixend, *substrend;
+
+	strcpy(buf, text);
+	for(s = strtok(buf, " "); s; tokv[tokc-1] = s, s = strtok(NULL, " "))
+		if(++tokc > tokn && !(tokv = realloc(tokv, ++tokn * sizeof *tokv)))
+			eprintf("cannot realloc %u bytes\n", tokn * sizeof *tokv);
+	len = tokc ? strlen(tokv[0]) : 0;
+
+	matches = lprefix = lsubstr = matchend = prefixend = substrend = NULL;
+	for(item = items; item && item->text; item++) {
+		for(i = 0; i < tokc; i++)
+			if(!fstrstr(item->text, tokv[i]))
+				break;
+		if(i != tokc)
+			continue;
+		if(!tokc || !fstrncmp(tokv[0], item->text, len+1))
+			appenditem(item, &matches, &matchend);
+		else if(!fstrncmp(tokv[0], item->text, len))
 			appenditem(item, &lprefix, &prefixend);
-		else if(fstrstr(item->text, text))
+		else
 			appenditem(item, &lsubstr, &substrend);
 	}
-	matches = lexact;
-	matchend = exactend;
-
 	if(lprefix) {
-		if(matchend) {
+		if(matches) {
 			matchend->right = lprefix;
 			lprefix->left = matchend;
 		}
@@ -390,7 +407,7 @@ match(Bool sub) {
 		matchend = prefixend;
 	}
 	if(lsubstr) {
-		if(matchend) {
+		if(matches) {
 			matchend->right = lsubstr;
 			lsubstr->left = matchend;
 		}
@@ -443,13 +460,16 @@ readstdin(void) {
 	if(items)
 		items[i].text = NULL;
 	inputw = maxstr ? textw(dc, maxstr) : 0;
+	lines = MIN(lines, i);
 }
 
 void
 run(void) {
 	XEvent ev;
 
-	while(!XNextEvent(dc->dpy, &ev))
+	while(!XNextEvent(dc->dpy, &ev)) {
+		if(XFilterEvent(&ev, win))
+			continue;
 		switch(ev.type) {
 		case Expose:
 			if(ev.xexpose.count == 0)
@@ -467,6 +487,7 @@ run(void) {
 				XRaiseWindow(dc->dpy, win);
 			break;
 		}
+	}
 }
 
 void
@@ -474,6 +495,7 @@ setup(void) {
 	int x, y, screen = DefaultScreen(dc->dpy);
 	Window root = RootWindow(dc->dpy, screen);
 	XSetWindowAttributes swa;
+	XIM xim;
 #ifdef XINERAMA
 	int n;
 	XineramaScreenInfo *info;
@@ -492,19 +514,28 @@ setup(void) {
 	mh = (lines + 1) * bh;
 #ifdef XINERAMA
 	if((info = XineramaQueryScreens(dc->dpy, &n))) {
-		int i, di;
+		int a, j, di, i = 0, area = 0;
 		unsigned int du;
-		Window w, dw;
+		Window w, pw, dw, *dws;
 		XWindowAttributes wa;
 
 		XGetInputFocus(dc->dpy, &w, &di);
-		if(w != root && XGetWindowAttributes(dc->dpy, w, &wa))
-			XTranslateCoordinates(dc->dpy, root, root, wa.x, wa.y, &x, &y, &dw);
-		else
-			XQueryPointer(dc->dpy, root, &dw, &dw, &x, &y, &di, &di, &du);
-		for(i = 0; i < n-1; i++)
-			if(INRECT(x, y, info[i].x_org, info[i].y_org, info[i].width, info[i].height))
-				break;
+		if(w != root && w != PointerRoot && w != None) {
+			do {
+				if(XQueryTree(dc->dpy, (pw = w), &dw, &w, &dws, &du) && dws)
+					XFree(dws);
+			} while(w != root && w != pw);
+			if(XGetWindowAttributes(dc->dpy, pw, &wa))
+				for(j = 0; j < n; j++)
+					if((a = INTERSECT(wa.x, wa.y, wa.width, wa.height, info[j])) > area) {
+						area = a;
+						i = j;
+					}
+		}
+		if(!area && XQueryPointer(dc->dpy, root, &dw, &dw, &x, &y, &di, &di, &du))
+			for(i = 0; i < n; i++)
+				if(INTERSECT(x, y, 1, 1, info[i]))
+					break;
 		x = info[i].x_org;
 		y = info[i].y_org + (topbar ? 0 : info[i].height - mh);
 		mw = info[i].width;
@@ -519,7 +550,7 @@ setup(void) {
 	}
 	promptw = prompt ? textw(dc, prompt) : 0;
 	inputw = MIN(inputw, mw/3);
-	match(False);
+	match();
 
 	/* menu window */
 	swa.override_redirect = True;
@@ -530,6 +561,11 @@ setup(void) {
 	                    DefaultVisual(dc->dpy, screen),
 	                    CWOverrideRedirect | CWBackPixmap | CWEventMask, &swa);
 
+	/* input methods */
+	xim = XOpenIM(dc->dpy, NULL, NULL, NULL);
+	xic = XCreateIC(xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing,
+	                XNClientWindow, win, XNFocusWindow, win, NULL);
+
 	XMapRaised(dc->dpy, win);
 	resizedc(dc, mw, mh);
 	drawmenu();