Display full name in info bar, if there is enough space

main.c

@@ -22,7 +22,6 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
-#include <libgen.h>
 #include <unistd.h>
 #include <sys/stat.h>
 #include <sys/time.h>
@@ -87,6 +86,8 @@ void cleanup(void) {
 }
 
 void check_add_file(char *filename) {
+	const char *bn;
+
 	if (filename == NULL || *filename == '\0')
 		return;
 
@@ -108,9 +109,12 @@ void check_add_file(char *filename) {
 	}
 	files[fileidx].loaded = false;
 	files[fileidx].name = s_strdup(filename);
-	files[fileidx].base = s_strdup(basename(filename));
 	if (*filename == '/')
 		files[fileidx].path = files[fileidx].name;
+	if ((bn = strrchr(files[fileidx].name , '/')) != NULL && bn[1] != '\0')
+		files[fileidx].base = ++bn;
+	else
+		files[fileidx].base = files[fileidx].name;
 	fileidx++;
 }
 
@@ -221,7 +225,7 @@ void load_image(int new) {
 }
 
 void update_info(void) {
-	unsigned int i, fw, pw;
+	int i, fw, pw, fi, ln, rn;
 	char frame_info[16];
 	const char *size_unit;
 	float size = filesize;
@@ -235,8 +239,13 @@ void update_info(void) {
 			snprintf(win_bar_l, sizeof win_bar_l, "Loading... %0*d/%d",
 			         pw, tns.cnt, filecnt);
 		} else {
-			snprintf(win_bar_l, sizeof win_bar_l, "%0*d/%d%s%s",
-			         pw, tns.sel + 1, filecnt, BAR_SEPARATOR, files[tns.sel].base);
+			fi = snprintf(win_bar_l, sizeof win_bar_l, "%0*d/%d%s",
+			              pw, tns.sel + 1, filecnt, BAR_SEPARATOR);
+			ln = snprintf(win_bar_l + fi, sizeof win_bar_l - fi, "%s",
+			              files[tns.sel].name) + fi;
+			if (win_textwidth(win_bar_l, ln, true) > win.w)
+				snprintf(win_bar_l + fi, sizeof win_bar_l - fi, "%s",
+				         files[tns.sel].base);
 		}
 		win_set_title(&win, "sxiv");
 		win_set_bar_info(&win, win_bar_l, NULL);
@@ -247,18 +256,28 @@ void update_info(void) {
 			for (i = img.multi.cnt; i > 0; i /= 10)
 				fw++;
 			snprintf(frame_info, sizeof frame_info, "%s%0*d/%d",
-			         BAR_SEPARATOR, fw, img.multi.sel + 1, img.multi.cnt);
+			         BAR_SEPARATOR, fw, img.multi.sel+1, img.multi.cnt);
 		} else {
 			frame_info[0] = '\0';
 		}
-		snprintf(win_bar_l, sizeof win_bar_l, "%0*d/%d%s%s",
-		         pw, fileidx + 1, filecnt, BAR_SEPARATOR, files[fileidx].base);
-		snprintf(win_bar_r, sizeof win_bar_r, "%.2f%s%s%dx%d%s%3d%%%s",
-		         size, size_unit, BAR_SEPARATOR, img.w, img.h, BAR_SEPARATOR,
-		         (int) (img.zoom * 100.0), frame_info);
+		fi = snprintf(win_bar_l, sizeof win_bar_l, "%0*d/%d%s",
+		              pw, fileidx + 1, filecnt, BAR_SEPARATOR);
+		ln = snprintf(win_bar_l + fi, sizeof win_bar_l - fi, "%s",
+		              files[fileidx].name) + fi;
+		rn = snprintf(win_bar_r, sizeof win_bar_r, "%.2f%s%s%dx%d%s%3d%%%s",
+		              size, size_unit, BAR_SEPARATOR, img.w, img.h, BAR_SEPARATOR,
+		              (int) (img.zoom * 100.0), frame_info);
+
+		if (win_textwidth(win_bar_l, ln, true) +
+		    win_textwidth(win_bar_r, rn, true) > win.w)
+		{
+			snprintf(win_bar_l + fi, sizeof win_bar_l - fi, "%s",
+			         files[fileidx].base);
+		}
+		win_set_bar_info(&win, win_bar_l, win_bar_r);
+
 		snprintf(win_title, sizeof win_title, "sxiv - %s", files[fileidx].name);
 		win_set_title(&win, win_title);
-		win_set_bar_info(&win, win_bar_l, win_bar_r);
 	}
 }
 

window.c

@@ -338,16 +338,6 @@ void win_clear(win_t *win) {
 	XFillRectangle(e->dpy, win->pm, gc, 0, 0, e->scrw, e->scrh);
 }
 
-int win_textwidth(const char *text, unsigned int len) {
-	XRectangle r;
-
-	if (font.set) {
-		XmbTextExtents(font.set, text, len, NULL, &r);
-		return r.width;
-	} else {
-		return XTextWidth(font.xfont, text, len);
-	}
-}
 void win_draw_bar(win_t *win) {
 	win_env_t *e;
 	int len, x, y, w, tw = 0, seplen;
@@ -369,7 +359,7 @@ void win_draw_bar(win_t *win) {
 
 	if (win->lbar != NULL) {
 		len = strlen(win->lbar);
-		while (len > 0 && (tw = win_textwidth(win->lbar, len)) > w)
+		while (len > 0 && (tw = win_textwidth(win->lbar, len, false)) > w)
 			len--;
 		w -= tw + 2 * H_TEXT_PAD;
 		if (font.set)
@@ -381,7 +371,7 @@ void win_draw_bar(win_t *win) {
 		len = strlen(win->rbar);
 		seplen = strlen(BAR_SEPARATOR);
 		rt = win->rbar;
-		while (len > 0 && (tw = win_textwidth(rt, len)) > w) {
+		while (len > 0 && (tw = win_textwidth(rt, len, false)) > w) {
 			rt = strstr(rt, BAR_SEPARATOR);
 			if (rt != NULL) {
 				rt += seplen;
@@ -427,6 +417,18 @@ void win_draw_rect(win_t *win, Pixmap pm, int x, int y, int w, int h,
 		XDrawRectangle(win->env.dpy, pm, gc, x, y, w, h);
 }
 
+int win_textwidth(const char *text, unsigned int len, bool with_padding) {
+	XRectangle r;
+	int padding = with_padding ? 2 * H_TEXT_PAD : 0;
+
+	if (font.set) {
+		XmbTextExtents(font.set, text, len, NULL, &r);
+		return r.width + padding;
+	} else {
+		return XTextWidth(font.xfont, text, len) + padding;
+	}
+}
+
 void win_set_title(win_t *win, const char *title) {
 	if (win == NULL || win->xwin == None)
 		return;

window.h

@@ -76,6 +76,8 @@ void win_draw(win_t*);
 void win_draw_rect(win_t*, Pixmap, int, int, int, int, bool, int,
                    unsigned long);
 
+int win_textwidth(const char*, unsigned int, bool);
+
 void win_set_title(win_t*, const char*);
 void win_set_bar_info(win_t*, const char*, const char*);
 void win_set_cursor(win_t*, cursor_t);