Changeset 61784ed in mainline for uspace/app/nav/panel.c

Timestamp:

2021-10-25T00:32:45Z (3 years ago)

Author:

jxsvoboda <5887334+jxsvoboda@…>

Branches:

master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

0e80e40

Parents:

b36ebb42

git-author:

Jiri Svoboda <jiri@…> (2021-10-05 17:07:26)

git-committer:

jxsvoboda <5887334+jxsvoboda@…> (2021-10-25 00:32:45)

Message:

Creating and enumerating panel entries

File:

• uspace/app/nav/panel.c (modified) (4 diffs)

uspace/app/nav/panel.c

@@ -38 +38 @@
 #include <gfx/render.h>
 #include <stdlib.h>
+#include <str.h>
 #include <ui/control.h>
 #include <ui/paint.h>
@@ -81 +82 @@
 
         panel->window = window;
+        list_initialize(&panel->entries);
         *rpanel = panel;
         return EOK;
@@ -95 +97 @@
 void panel_destroy(panel_t *panel)
 {
+        panel_entry_t *entry;
+
+        entry = panel_first(panel);
+        while (entry != NULL) {
+                panel_entry_delete(entry);
+                entry = panel_first(panel);
+        }
+
         ui_control_delete(panel->control);
         free(panel);
@@ -196 +206 @@
 }
 
+/** Append new panel entry.
+ *
+ * @param panel Panel
+ * @param name File name
+ * @param size File size;
+ * @return EOK on success or an error code
+ */
+errno_t panel_entry_append(panel_t *panel, const char *name, uint64_t size)
+{
+        panel_entry_t *entry;
+
+        entry = calloc(1, sizeof(panel_entry_t));
+        if (entry == NULL)
+                return ENOMEM;
+
+        entry->panel = panel;
+        entry->name = str_dup(name);
+        if (entry->name == NULL) {
+                free(entry);
+                return ENOMEM;
+        }
+
+        entry->size = size;
+        link_initialize(&entry->lentries);
+        list_append(&entry->lentries, &panel->entries);
+        return EOK;
+}
+
+/** Delete panel entry.
+ *
+ * @param entry Panel entry
+ */
+void panel_entry_delete(panel_entry_t *entry)
+{
+        list_remove(&entry->lentries);
+        free(entry->name);
+        free(entry);
+}
+
+/** Return first panel entry.
+ *
+ * @panel Panel
+ * @return First panel entry or @c NULL if there are no entries
+ */
+panel_entry_t *panel_first(panel_t *panel)
+{
+        link_t *link;
+
+        link = list_first(&panel->entries);
+        if (link == NULL)
+                return NULL;
+
+        return list_get_instance(link, panel_entry_t, lentries);
+}
+
+/** Return next panel entry.
+ *
+ * @param cur Current entry
+ * @return Next entry or @c NULL if @a cur is the last entry
+ */
+panel_entry_t *panel_next(panel_entry_t *cur)
+{
+        link_t *link;
+
+        link = list_next(&cur->lentries, &cur->panel->entries);
+        if (link == NULL)
+                return NULL;
+
+        return list_get_instance(link, panel_entry_t, lentries);
+}
 
 /** @}