From c6ce270ee1e54fc7ae9c4029923bccedbcac5ad2 Mon Sep 17 00:00:00 2001
From: Harry Jeffery <harry@exec64.co.uk>
Date: Fri, 16 Aug 2019 19:08:54 +0100
Subject: imv: Add index/all argument to close command

---
 src/imv.c       | 17 ++++++++++++++---
 src/list.c      |  5 +++++
 src/list.h      |  2 ++
 src/navigator.c | 38 ++++++++++++++++++++++++++++++++++++++
 src/navigator.h |  7 +++++++
 5 files changed, 66 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/imv.c b/src/imv.c
index 9dbc7d5..991de70 100644
--- a/src/imv.c
+++ b/src/imv.c
@@ -1536,9 +1536,20 @@ static void command_close(struct list *args, const char *argstr, void *data)
   (void)args;
   (void)argstr;
   struct imv *imv = data;
-  char* path = strdup(imv_navigator_selection(imv->navigator));
-  imv_navigator_remove(imv->navigator, path);
-  free(path);
+  size_t index = imv_navigator_index(imv->navigator);
+
+  if (args->len == 2) {
+    const char *arg = args->items[1];
+    if (!strcmp("all", arg)) {
+      imv_navigator_remove_all(imv->navigator);
+      imv->slideshow.elapsed = 0;
+      return;
+    }
+
+    index = (size_t)strtol(arg, NULL, 10) - 1;
+  }
+
+  imv_navigator_remove_at(imv->navigator, index);
 
   imv->slideshow.elapsed = 0;
 }
diff --git a/src/list.c b/src/list.c
index b719cf0..ba5ce87 100644
--- a/src/list.c
+++ b/src/list.c
@@ -66,6 +66,11 @@ void list_insert(struct list *list, size_t index, void *item)
   list->len += 1;
 }
 
+void list_clear(struct list *list)
+{
+  list->len = 0;
+}
+
 struct list *list_from_string(const char *string, char delim)
 {
   struct list *list = list_create();
diff --git a/src/list.h b/src/list.h
index bb88c2c..abb8b85 100644
--- a/src/list.h
+++ b/src/list.h
@@ -24,6 +24,8 @@ void list_remove(struct list *list, size_t index);
 
 void list_insert(struct list *list, size_t index, void *item);
 
+void list_clear(struct list *list);
+
 struct list *list_from_string(const char *string, char delim);
 
 int list_find(
diff --git a/src/navigator.c b/src/navigator.c
index 98c1976..6b77643 100644
--- a/src/navigator.c
+++ b/src/navigator.c
@@ -215,6 +215,44 @@ void imv_navigator_remove(struct imv_navigator *nav, const char *path)
   nav->changed = 1;
 }
 
+void imv_navigator_remove_at(struct imv_navigator *nav, size_t index)
+{
+  if (index >= nav->paths->len) {
+    return;
+  }
+  struct nav_item *item = nav->paths->items[index];
+  free(item->path);
+  free(item);
+  list_remove(nav->paths, index);
+
+  if (nav->cur_path == index) {
+    /* We just removed the current path */
+    if (nav->last_move_direction < 0) {
+      /* Move left */
+      imv_navigator_select_rel(nav, -1);
+    } else {
+      /* Try to stay where we are, unless we ran out of room */
+      if (nav->cur_path == nav->paths->len) {
+        nav->cur_path = 0;
+        nav->wrapped = 1;
+      }
+    }
+  }
+  nav->changed = 1;
+}
+
+void imv_navigator_remove_all(struct imv_navigator *nav)
+{
+  for (size_t i = 0; i < nav->paths->len; ++i) {
+    struct nav_item *item = nav->paths->items[i];
+    free(item->path);
+    free(item);
+  }
+  list_clear(nav->paths);
+  nav->cur_path = 0;
+  nav->changed = 1;
+}
+
 ssize_t imv_navigator_find_path(struct imv_navigator *nav, const char *path)
 {
   /* first try to match the exact path */
diff --git a/src/navigator.h b/src/navigator.h
index 06b5c92..6234206 100644
--- a/src/navigator.h
+++ b/src/navigator.h
@@ -34,6 +34,13 @@ void imv_navigator_select_abs(struct imv_navigator *nav, ssize_t index);
  * based on the last direction the selection moved. */
 void imv_navigator_remove(struct imv_navigator *nav, const char *path);
 
+/* Removes the given index. The current selection is updated if necessary,
+ * based on the last direction the selection moved. */
+void imv_navigator_remove_at(struct imv_navigator *nav, size_t index);
+
+/* Removes all paths */
+void imv_navigator_remove_all(struct imv_navigator *nav);
+
 /* Return the index of the path given. Returns -1 if not found. */
 ssize_t imv_navigator_find_path(struct imv_navigator *nav, const char *path);
 
-- 
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