Changeset 0e125698 in mainline for uspace/app/nav/panel.c

Timestamp:

2021-10-16T20:41:33Z (4 years ago)

Author:

Jiri Svoboda <jiri@…>

Children:

fd6dc08

Parents:

9bed565

Message:

Opening directories

File:

• uspace/app/nav/panel.c (modified) (5 diffs)

uspace/app/nav/panel.c

@@ -281 +281 @@
                                 panel_page_down(panel);
                                 break;
+                        case KC_ENTER:
+                                panel_open(panel, panel->cursor);
+                                break;
                         default:
                                 break;
@@ -344 +347 @@
  *
  * @param panel Panel
- */
-void panel_activate(panel_t *panel)
-{
+ *
+ * @return EOK on success or an error code
+ */
+errno_t panel_activate(panel_t *panel)
+{
+        errno_t rc;
+
+        if (panel->dir != NULL) {
+                rc = vfs_cwd_set(panel->dir);
+                if (rc != EOK)
+                        return rc;
+        }
+
         panel->active = true;
         (void) panel_paint(panel);
+        return EOK;
 }
 
@@ -485 +499 @@
         struct dirent *dirent;
         vfs_stat_t finfo;
+        char newdir[256];
+        char *ndir = NULL;
         errno_t rc;
 
-        dir = opendir(dirname);
-        if (dir == NULL)
-                return errno;
+        rc = vfs_cwd_set(dirname);
+        if (rc != EOK)
+                return rc;
+
+        rc = vfs_cwd_get(newdir, sizeof(newdir));
+        if (rc != EOK)
+                return rc;
+
+        ndir = str_dup(newdir);
+        if (ndir == NULL)
+                return ENOMEM;
+
+        dir = opendir(".");
+        if (dir == NULL) {
+                rc = errno;
+                goto error;
+        }
+
+        if (str_cmp(ndir, "/") != 0) {
+                /* Need to add a synthetic up-dir entry */
+                rc = panel_entry_append(panel, "..", 0, true);
+                if (rc != EOK)
+                        goto error;
+        }
 
         dirent = readdir(dir);
         while (dirent != NULL) {
                 rc = vfs_stat_path(dirent->d_name, &finfo);
-                if (rc != EOK)
-                        goto error;
-
-                rc = panel_entry_append(panel, dirent->d_name, 1,
+                if (rc != EOK) {
+                        /* Possibly a stale entry */
+                        dirent = readdir(dir);
+                        continue;
+                }
+
+                rc = panel_entry_append(panel, dirent->d_name, finfo.size,
                     finfo.is_directory);
                 if (rc != EOK)
@@ -515 +555 @@
         panel->page = panel_first(panel);
         panel->page_idx = 0;
+        free(panel->dir);
+        panel->dir = ndir;
         return EOK;
 error:
-        closedir(dir);
+        (void) vfs_cwd_set(panel->dir);
+        if (ndir != NULL)
+                free(ndir);
+        if (dir != NULL)
+                closedir(dir);
         return rc;
 }
@@ -870 +916 @@
 }
 
+/** Open panel entry.
+ *
+ * Perform Open action on a panel entry (e.g. switch to a subdirectory).
+ *
+ * @param panel Panel
+ * @param entry Panel entry
+ *
+ * @return EOK on success or an error code
+ */
+errno_t panel_open(panel_t *panel, panel_entry_t *entry)
+{
+        gfx_context_t *gc = ui_window_get_gc(panel->window);
+        char *dirname;
+        errno_t rc;
+
+        if (!entry->isdir)
+                return EOK;
+
+        dirname = str_dup(entry->name);
+        panel_clear_entries(panel);
+
+        rc = panel_read_dir(panel, dirname);
+        if (rc != EOK) {
+                free(dirname);
+                return rc;
+        }
+
+        rc = panel_paint(panel);
+        if (rc != EOK) {
+                free(dirname);
+                return rc;
+        }
+
+        free(dirname);
+        return gfx_update(gc);
+}
+
 /** @}
  */