Changeset 8009dc27 in mainline for uspace/lib/ui/src/label.c

Timestamp:

2020-10-31T01:03:26Z (5 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

4df6607

Parents:

f03d1308

Message:

Prototype control base class and fixed layout class

So far only position event delivery is handled via layout

File:

• uspace/lib/ui/src/label.c (modified) (6 diffs)

uspace/lib/ui/src/label.c

@@ -40 +40 @@
 #include <stdlib.h>
 #include <str.h>
+#include <ui/control.h>
 #include <ui/paint.h>
 #include <ui/label.h>
@@ -45 +46 @@
 #include "../private/resource.h"
 
+static ui_evclaim_t ui_label_ctl_pos_event(void *, pos_event_t *);
+
+/** Label control ops */
+ui_control_ops_t ui_label_ops = {
+        .pos_event = ui_label_ctl_pos_event
+};
+
 /** Create new label.
  *
@@ -56 +64 @@
 {
         ui_label_t *label;
+        errno_t rc;
 
         label = calloc(1, sizeof(ui_label_t));
@@ -61 +70 @@
                 return ENOMEM;
 
+        rc = ui_control_new(&ui_label_ops, (void *) label, &label->control);
+        if (rc != EOK) {
+                free(label);
+                return rc;
+        }
+
         label->text = str_dup(text);
         if (label->text == NULL) {
+                ui_control_delete(label->control);
                 free(label);
                 return ENOMEM;
@@ -82 +98 @@
                 return;
 
+        ui_control_delete(label->control);
         free(label);
+}
+
+/** Get base control from label.
+ *
+ * @param label Label
+ * @return Control
+ */
+ui_control_t *ui_label_ctl(ui_label_t *label)
+{
+        return label->control;
 }
 
@@ -178 +205 @@
 }
 
+/** Handle label control position event.
+ *
+ * @param arg Argument (ui_label_t *)
+ * @param pos_event Position event
+ * @return @c ui_claimed iff the event is claimed
+ */
+ui_evclaim_t ui_label_ctl_pos_event(void *arg, pos_event_t *event)
+{
+        ui_label_t *label = (ui_label_t *) arg;
+
+        (void) label;
+        return ui_unclaimed;
+}
+
 /** @}
  */