Add %o, %r and %z format specifiers (see #95)

10 files changed, 78 insertions, 43 deletions

diff --git a/ChangeLog b/ChangeLog
index bcde5bc..9cc7838 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -6,6 +6,10 @@ git HEAD
     * menu: simpler background, remove drop shadows
     * Remove --menu-style support (deprecated in 1.12)
     * Allow --slideshow-delay and --reload to be used together
+    * New format specifiers:
+    ** %o    x,y image offset relative to top-left window corner
+    ** %r    image rotation
+    ** %z    image zoom
 
 Sun, 25 Mar 2012 13:13:26 +0200  Daniel Friesel <derf@finalrewind.org>
 
diff --git a/man/feh.pre b/man/feh.pre
index 7254428..a50a66a 100644
--- a/man/feh.pre
+++ b/man/feh.pre
@@ -817,6 +817,10 @@ Image name
 .
 Escaped image name
 .
+.It %o
+.
+x,y offset of top-left image corner to window corner in pixels
+.
 .It %p
 .
 Number of image pixels
@@ -826,6 +830,10 @@ Number of image pixels
 Numbor of image pixels
 .Pq kilopixels / megapixels
 .
+.It %r
+.
+Image rotation. A half right turn equals pi.
+.
 .It %s
 .
 Image size in bytes
@@ -852,6 +860,10 @@ Image width
 .Nm
 version
 .
+.It %z
+.
+current image zoom
+.
 .El
 .
 .
diff --git a/src/collage.c b/src/collage.c
index a7ae44e..711e3a4 100644
--- a/src/collage.c
+++ b/src/collage.c
@@ -110,7 +110,7 @@ void init_collage_mode(void)
 	if (!opt.title)
 		s = estrdup(PACKAGE " [collage mode]");
 	else
-		s = estrdup(feh_printf(opt.title, NULL));
+		s = estrdup(feh_printf(opt.title, NULL, NULL));
 
 	if (opt.display) {
 		winwid = winwidget_create_from_image(im_main, s, WIN_TYPE_SINGLE);
diff --git a/src/feh.h b/src/feh.h
index 1d48e53..2b0369f 100644
--- a/src/feh.h
+++ b/src/feh.h
@@ -132,13 +132,13 @@ int feh_load_image(Imlib_Image * im, feh_file * file);
 void show_mini_usage(void);
 void slideshow_change_image(winwidget winwid, int change, int render);
 void slideshow_pause_toggle(winwidget w);
-char *slideshow_create_name(feh_file * file);
+char *slideshow_create_name(feh_file * file, winwidget winwid);
 void init_keyevents(void);
 void init_buttonbindings(void);
 void feh_event_handle_keypress(XEvent * ev);
 void feh_action_run(feh_file * file, char *action);
 char *format_size(int size);
-char *feh_printf(char *str, feh_file * file);
+char *feh_printf(char *str, feh_file * file, winwidget winwid);
 void im_weprintf(winwidget w, char *fmt, ...);
 void feh_draw_zoom(winwidget w);
 void feh_draw_checks(winwidget win);
diff --git a/src/imlib.c b/src/imlib.c
index 4f7ff24..e7dcaeb 100644
--- a/src/imlib.c
+++ b/src/imlib.c
@@ -725,7 +725,7 @@ void feh_draw_info(winwidget w)
 
 	fn = feh_load_font(w);
 
-	info_cmd = feh_printf(opt.info_cmd, FEH_FILE(w->file->data));
+	info_cmd = feh_printf(opt.info_cmd, FEH_FILE(w->file->data), w);
 
 	info_pipe = popen(info_cmd, "r");
 
diff --git a/src/index.c b/src/index.c
index b489c55..023cba0 100644
--- a/src/index.c
+++ b/src/index.c
@@ -167,7 +167,7 @@ void init_index_mode(void)
 	if (!opt.title)
 		s = estrdup(PACKAGE " [index mode]");
 	else
-		s = estrdup(feh_printf(opt.title, NULL));
+		s = estrdup(feh_printf(opt.title, NULL, NULL));
 
 	if (opt.display) {
 		winwid = winwidget_create_from_image(im_main, s, WIN_TYPE_SINGLE);
@@ -465,7 +465,7 @@ void get_index_string_dim(feh_file *file, Imlib_Font fn, int *fw, int *fh)
 
 char *create_index_string(feh_file * file)
 {
-	return feh_printf(opt.index_info, file);
+	return feh_printf(opt.index_info, file, NULL);
 }
 
 char *create_index_title_string(int num, int w, int h)
diff --git a/src/list.c b/src/list.c
index 2affe85..5663ed3 100644
--- a/src/list.c
+++ b/src/list.c
@@ -43,7 +43,7 @@ void init_list_mode(void)
 	for (l = filelist; l; l = l->next) {
 		file = FEH_FILE(l->data);
 		if (opt.customlist)
-			printf("%s\n", feh_printf(opt.customlist, file));
+			printf("%s\n", feh_printf(opt.customlist, file, NULL));
 		else {
 			printf("%d\t%s\t%d\t%d\t%s", ++j,
 					file->info->format, file->info->width,
diff --git a/src/multiwindow.c b/src/multiwindow.c
index 9797fb0..13cff90 100644
--- a/src/multiwindow.c
+++ b/src/multiwindow.c
@@ -49,7 +49,7 @@ void init_multiwindow_mode(void)
 			s = emalloc(len);
 			snprintf(s, len, PACKAGE " - %s", file->filename);
 		} else {
-			s = estrdup(feh_printf(opt.title, file));
+			s = estrdup(feh_printf(opt.title, file, w));
 		}
 
 		if ((w = winwidget_create_from_file(l, s, WIN_TYPE_SINGLE)) != NULL) {
diff --git a/src/slideshow.c b/src/slideshow.c
index 3ccf2f1..cec146c 100644
--- a/src/slideshow.c
+++ b/src/slideshow.c
@@ -58,7 +58,7 @@ void init_slideshow_mode(void)
 			last = NULL;
 		}
 		current_file = l;
-		s = slideshow_create_name(file);
+		s = slideshow_create_name(file, NULL);
 		if ((w = winwidget_create_from_file(l, s, WIN_TYPE_SLIDESHOW)) != NULL) {
 			free(s);
 			success = 1;
@@ -133,7 +133,7 @@ void cb_reload_timer(void *data)
 	/* reset window name in case of current file order,
 	 * filename, or filelist_length has changed.
 	 */
-	current_filename = slideshow_create_name(FEH_FILE(current_file->data));
+	current_filename = slideshow_create_name(FEH_FILE(current_file->data), w);
 	winwidget_rename(w, current_filename);
 	free(current_filename);
 
@@ -321,7 +321,7 @@ void slideshow_change_image(winwidget winwid, int change, int render)
 			if (render)
 				winwidget_render_image(winwid, 1, 0);
 
-			s = slideshow_create_name(FEH_FILE(current_file->data));
+			s = slideshow_create_name(FEH_FILE(current_file->data), winwid);
 			winwidget_rename(winwid, s);
 			free(s);
 
@@ -351,7 +351,7 @@ void slideshow_pause_toggle(winwidget w)
 	winwidget_rename(w, NULL);
 }
 
-char *slideshow_create_name(feh_file * file)
+char *slideshow_create_name(feh_file * file, winwidget winwid)
 {
 	char *s = NULL;
 	int len = 0;
@@ -362,7 +362,7 @@ char *slideshow_create_name(feh_file * file)
 		snprintf(s, len, PACKAGE " [%d of %d] - %s",
 			gib_list_num(filelist, current_file) + 1, gib_list_length(filelist), file->filename);
 	} else {
-		s = estrdup(feh_printf(opt.title, file));
+		s = estrdup(feh_printf(opt.title, file, winwid));
 	}
 
 	return(s);
@@ -373,7 +373,7 @@ void feh_action_run(feh_file * file, char *action)
 	if (action) {
 		char *sys;
 		D(("Running action %s\n", action));
-		sys = feh_printf(action, file);
+		sys = feh_printf(action, file, NULL);
 
 		if (opt.verbose && !opt.list && !opt.customlist)
 			fprintf(stderr, "Running action -->%s<--\n", sys);
@@ -418,7 +418,7 @@ char *format_size(int size)
 	return ret;
 }
 
-char *feh_printf(char *str, feh_file * file)
+char *feh_printf(char *str, feh_file * file, winwidget winwid)
 {
 	char *c;
 	char buf[20];
@@ -438,6 +438,19 @@ char *feh_printf(char *str, feh_file * file)
 				if (file)
 					strcat(ret, shell_escape(file->filename));
 				break;
+			case 'h':
+				if (file && (file->info || !feh_file_info_load(file, NULL))) {
+					snprintf(buf, sizeof(buf), "%d", file->info->height);
+					strcat(ret, buf);
+				}
+				break;
+			case 'l':
+				snprintf(buf, sizeof(buf), "%d", gib_list_length(filelist));
+				strcat(ret, buf);
+				break;
+			case 'm':
+				strcat(ret, mode);
+				break;
 			case 'n':
 				if (file)
 					strcat(ret, file->name);
@@ -446,38 +459,39 @@ char *feh_printf(char *str, feh_file * file)
 				if (file)
 					strcat(ret, shell_escape(file->name));
 				break;
-			case 'w':
-				if (file && (file->info || !feh_file_info_load(file, NULL))) {
-					snprintf(buf, sizeof(buf), "%d", file->info->width);
+			case 'o':
+				if (winwid) {
+					snprintf(buf, sizeof(buf), "%d,%d", winwid->im_x,
+						winwid->im_y);
 					strcat(ret, buf);
 				}
 				break;
-			case 'h':
+			case 'p':
 				if (file && (file->info || !feh_file_info_load(file, NULL))) {
-					snprintf(buf, sizeof(buf), "%d", file->info->height);
+					snprintf(buf, sizeof(buf), "%d", file->info->pixels);
 					strcat(ret, buf);
 				}
 				break;
-			case 's':
+			case 'P':
 				if (file && (file->info || !feh_file_info_load(file, NULL))) {
-					snprintf(buf, sizeof(buf), "%d", file->info->size);
-					strcat(ret, buf);
+					strcat(ret, format_size(file->info->pixels));
 				}
 				break;
-			case 'S':
-				if (file && (file->info || !feh_file_info_load(file, NULL))) {
-					strcat(ret, format_size(file->info->size));
+			case 'r':
+				if (winwid) {
+					snprintf(buf, sizeof(buf), "%.1f", winwid->im_angle);
+					strcat(ret, buf);
 				}
 				break;
-			case 'p':
+			case 's':
 				if (file && (file->info || !feh_file_info_load(file, NULL))) {
-					snprintf(buf, sizeof(buf), "%d", file->info->pixels);
+					snprintf(buf, sizeof(buf), "%d", file->info->size);
 					strcat(ret, buf);
 				}
 				break;
-			case 'P':
+			case 'S':
 				if (file && (file->info || !feh_file_info_load(file, NULL))) {
-					strcat(ret, format_size(file->info->pixels));
+					strcat(ret, format_size(file->info->size));
 				}
 				break;
 			case 't':
@@ -485,22 +499,27 @@ char *feh_printf(char *str, feh_file * file)
 					strcat(ret, file->info->format);
 				}
 				break;
-			case 'v':
-				strcat(ret, VERSION);
-				break;
-			case 'm':
-				strcat(ret, mode);
-				break;
-			case 'l':
-				snprintf(buf, sizeof(buf), "%d", gib_list_length(filelist));
-				strcat(ret, buf);
-				break;
 			case 'u':
 				snprintf(buf, sizeof(buf), "%d",
 					 current_file != NULL ? gib_list_num(filelist, current_file)
 					 + 1 : 0);
 				strcat(ret, buf);
 				break;
+			case 'v':
+				strcat(ret, VERSION);
+				break;
+			case 'w':
+				if (file && (file->info || !feh_file_info_load(file, NULL))) {
+					snprintf(buf, sizeof(buf), "%d", file->info->width);
+					strcat(ret, buf);
+				}
+				break;
+			case 'z':
+				if (winwid) {
+					snprintf(buf, sizeof(buf), "%.2f", winwid->zoom);
+					strcat(ret, buf);
+				}
+				break;
 			case '%':
 				strcat(ret, "%");
 				break;
@@ -542,7 +561,7 @@ void feh_filelist_image_remove(winwidget winwid, char do_delete)
 			winwidget_destroy(winwid);
 			return;
 		}
-		s = slideshow_create_name(FEH_FILE(winwid->file->data));
+		s = slideshow_create_name(FEH_FILE(winwid->file->data), winwid);
 		winwidget_rename(winwid, s);
 		free(s);
 		winwidget_render_image(winwid, 1, 0);
diff --git a/src/thumbnail.c b/src/thumbnail.c
index f276592..b26dc7f 100644
--- a/src/thumbnail.c
+++ b/src/thumbnail.c
@@ -169,7 +169,7 @@ void init_thumbnail_mode(void)
 	if (!opt.title)
 		s = estrdup(PACKAGE " [thumbnail mode]");
 	else
-		s = estrdup(feh_printf(opt.title, NULL));
+		s = estrdup(feh_printf(opt.title, NULL, NULL));
 
 	if (opt.display) {
 		winwid = winwidget_create_from_image(td.im_main, s, WIN_TYPE_THUMBNAIL);
@@ -717,7 +717,7 @@ void feh_thumbnail_show_fullsize(feh_file *thumbfile)
 	if (!opt.thumb_title)
 		s = thumbfile->name;
 	else
-		s = feh_printf(opt.thumb_title, thumbfile);
+		s = feh_printf(opt.thumb_title, thumbfile, NULL);
 	
 	thumbwin = winwidget_get_first_window_of_type(WIN_TYPE_THUMBNAIL_VIEWER);
 	if (!thumbwin) {