efficiency tweaks
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										98
									
								
								dmenu.c
									
									
									
									
									
								
							
							
						
						
									
										98
									
								
								dmenu.c
									
									
									
									
									
								
							@@ -25,8 +25,8 @@ struct Item {
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static void appenditem(Item *item, Item **list, Item **last);
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static void calcoffsets(void);
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static char *cistrstr(const char *s, const char *sub);
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static void drawmenu(void);
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static char *fstrstr(const char *s, const char *sub);
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static void grabkeyboard(void);
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static void insert(const char *str, ssize_t n);
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static void keypress(XKeyEvent *ev);
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@@ -60,6 +60,7 @@ static Item *prev, *curr, *next, *sel;
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static Window win;
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static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
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static char *(*fstrstr)(const char *, const char *) = strstr;
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int
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main(int argc, char *argv[]) {
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@@ -76,8 +77,10 @@ main(int argc, char *argv[]) {
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			topbar = False;
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		else if(!strcmp(argv[i], "-f"))
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			fast = True;
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		else if(!strcmp(argv[i], "-i"))
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		else if(!strcmp(argv[i], "-i")) {
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			fstrncmp = strncasecmp;
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			fstrstr = cistrstr;
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		}
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		else if(i+1 == argc)
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			usage();
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		/* double flags */
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@@ -112,7 +115,7 @@ main(int argc, char *argv[]) {
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	setup();
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	run();
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	return EXIT_FAILURE;  /* should not reach */
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	return EXIT_FAILURE; /* unreachable */
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}
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void
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@@ -121,6 +124,7 @@ appenditem(Item *item, Item **list, Item **last) {
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		*list = item;
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	else
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		(*last)->right = item;
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	item->left = *last;
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	item->right = NULL;
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	*last = item;
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@@ -143,6 +147,16 @@ calcoffsets(void) {
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			break;
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}
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char *
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cistrstr(const char *s, const char *sub) {
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	size_t len;
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	for(len = strlen(sub); *s; s++)
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		if(!strncasecmp(s, sub, len))
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			return (char *)s;
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	return NULL;
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}
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void
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drawmenu(void) {
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	int curpos;
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@@ -188,16 +202,6 @@ drawmenu(void) {
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	mapdc(dc, win, mw, mh);
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}
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char *
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fstrstr(const char *s, const char *sub) {
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	size_t len;
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	for(len = strlen(sub); *s; s++)
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		if(!fstrncmp(s, sub, len))
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			return (char *)s;
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	return NULL;
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}
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void
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grabkeyboard(void) {
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	int i;
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@@ -233,58 +237,37 @@ keypress(XKeyEvent *ev) {
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		XConvertCase(ksym, &lower, &upper);
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		switch(lower) {
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		default:
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			return;
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		case XK_a:
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			ksym = XK_Home;
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			break;
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		case XK_b:
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			ksym = XK_Left;
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			break;
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		case XK_c:
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			ksym = XK_Escape;
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			break;
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		case XK_d:
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			ksym = XK_Delete;
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			break;
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		case XK_e:
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			ksym = XK_End;
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			break;
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		case XK_f:
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			ksym = XK_Right;
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			break;
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		case XK_h:
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			ksym = XK_BackSpace;
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			break;
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		case XK_i:
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			ksym = XK_Tab;
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			break;
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		case XK_j:
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		case XK_m:
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			ksym = XK_Return;
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			break;
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		case XK_k:  /* delete right */
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		case XK_a: ksym = XK_Home;      break;
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		case XK_b: ksym = XK_Left;      break;
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		case XK_c: ksym = XK_Escape;    break;
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		case XK_d: ksym = XK_Delete;    break;
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		case XK_e: ksym = XK_End;       break;
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		case XK_f: ksym = XK_Right;     break;
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		case XK_h: ksym = XK_BackSpace; break;
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		case XK_i: ksym = XK_Tab;       break;
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		case XK_j: ksym = XK_Return;    break;
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		case XK_m: ksym = XK_Return;    break;
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		case XK_n: ksym = XK_Up;        break;
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		case XK_p: ksym = XK_Down;      break;
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		case XK_k: /* delete right */
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			text[cursor] = '\0';
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			match(False);
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			break;
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		case XK_n:
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			ksym = XK_Next;
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			break;
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		case XK_p:
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			ksym = XK_Prior;
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			break;
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		case XK_u:  /* delete left */
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		case XK_u: /* delete left */
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			insert(NULL, 0 - cursor);
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			break;
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		case XK_w:  /* delete word */
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		case XK_w: /* delete word */
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			while(cursor > 0 && text[nextrune(-1)] == ' ')
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				insert(NULL, nextrune(-1) - cursor);
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			while(cursor > 0 && text[nextrune(-1)] != ' ')
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				insert(NULL, nextrune(-1) - cursor);
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			break;
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		case XK_y:  /* paste selection */
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		case XK_y: /* paste selection */
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			XConvertSelection(dc->dpy, XA_PRIMARY, utf8, utf8, win, CurrentTime);
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			return;
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		default:
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			return;
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		}
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	}
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	switch(ksym) {
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@@ -297,8 +280,9 @@ keypress(XKeyEvent *ev) {
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			return;
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		cursor = nextrune(+1);
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	case XK_BackSpace:
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		if(cursor > 0)
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			insert(NULL, nextrune(-1) - cursor);
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		if(cursor == 0)
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			return;
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		insert(NULL, nextrune(-1) - cursor);
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		break;
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	case XK_End:
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		if(text[cursor] != '\0') {
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@@ -351,7 +335,7 @@ keypress(XKeyEvent *ev) {
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		break;
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	case XK_Return:
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	case XK_KP_Enter:
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		fputs((sel && !(ev->state & ShiftMask)) ? sel->text : text, stdout);
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		puts((sel && !(ev->state & ShiftMask)) ? sel->text : text);
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		exit(EXIT_SUCCESS);
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	case XK_Right:
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		if(text[cursor] != '\0') {
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@@ -468,7 +452,7 @@ run(void) {
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		switch(ev.type) {
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		case Expose:
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			if(ev.xexpose.count == 0)
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				drawmenu();
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				mapdc(dc, win, mw, mh);
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			break;
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		case KeyPress:
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			keypress(&ev.xkey);
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										6
									
								
								draw.c
									
									
									
									
									
								
							
							
						
						
									
										6
									
								
								draw.c
									
									
									
									
									
								
							@@ -96,7 +96,7 @@ initdc(void) {
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	DC *dc;
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	if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
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		fprintf(stderr, "no locale support\n");
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		fputs("no locale support\n", stderr);
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	if(!(dc = calloc(1, sizeof *dc)))
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		eprintf("cannot malloc %u bytes:", sizeof *dc);
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	if(!(dc->dpy = XOpenDisplay(NULL)))
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@@ -153,10 +153,10 @@ resizedc(DC *dc, unsigned int w, unsigned int h) {
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	if(dc->canvas)
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		XFreePixmap(dc->dpy, dc->canvas);
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	dc->canvas = XCreatePixmap(dc->dpy, DefaultRootWindow(dc->dpy), w, h,
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	                           DefaultDepth(dc->dpy, DefaultScreen(dc->dpy)));
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	dc->w = w;
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	dc->h = h;
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	dc->canvas = XCreatePixmap(dc->dpy, DefaultRootWindow(dc->dpy), w, h,
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	                           DefaultDepth(dc->dpy, DefaultScreen(dc->dpy)));
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}
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int
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