Changeset 8965860c in mainline for uspace/lib/ui/src/ui.c

Timestamp:

2022-03-23T18:35:16Z (2 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

7ca7215

Parents:

d4ea1f6

Message:

Clickmatic

A class that periodically generates when held, after initial delay.
This is quite similar to the typematic feature found in PC keyboards.
We use it to automatically scroll when scrollbar button or through
is held.

File:

• uspace/lib/ui/src/ui.c (modified) (9 diffs)

uspace/lib/ui/src/ui.c

@@ -1 +1 @@
 /*
- * Copyright (c) 2021 Jiri Svoboda
+ * Copyright (c) 2022 Jiri Svoboda
  * All rights reserved.
  *
@@ -39 +39 @@
 #include <errno.h>
 #include <fibril.h>
+#include <fibril_synch.h>
 #include <gfx/color.h>
 #include <gfx/cursor.h>
@@ -47 +48 @@
 #include <str.h>
 #include <task.h>
+#include <ui/clickmatic.h>
 #include <ui/ui.h>
 #include <ui/wdecor.h>
@@ -198 +200 @@
 {
         ui_t *ui;
+        errno_t rc;
 
         ui = calloc(1, sizeof(ui_t));
@@ -203 +206 @@
                 return ENOMEM;
 
+        rc = ui_clickmatic_create(ui, &ui->clickmatic);
+        if (rc != EOK) {
+                free(ui);
+                return rc;
+        }
+
         ui->console = console;
         list_initialize(&ui->windows);
+        fibril_mutex_initialize(&ui->lock);
         *rui = ui;
         return EOK;
@@ -218 +228 @@
 {
         ui_t *ui;
+        errno_t rc;
 
         ui = calloc(1, sizeof(ui_t));
@@ -223 +234 @@
                 return ENOMEM;
 
+        rc = ui_clickmatic_create(ui, &ui->clickmatic);
+        if (rc != EOK) {
+                free(ui);
+                return rc;
+        }
+
         ui->display = disp;
         list_initialize(&ui->windows);
+        fibril_mutex_initialize(&ui->lock);
         *rui = ui;
         return EOK;
@@ -443 +461 @@
 }
 
+/** Lock UI.
+ *
+ * Block UI from calling window callbacks. @c ui_lock() and @c ui_unlock()
+ * must be used when accessing UI resources from a fibril (as opposed to
+ * from a window callback).
+ *
+ * @param ui UI
+ */
+void ui_lock(ui_t *ui)
+{
+        fibril_mutex_lock(&ui->lock);
+}
+
+/** Unlock UI.
+ *
+ * Allow UI to call window callbacks. @c ui_lock() and @c ui_unlock()
+ * must be used when accessing window resources from a fibril (as opposed to
+ * from a window callback).
+ *
+ * @param ui UI
+ */
+void ui_unlock(ui_t *ui)
+{
+        fibril_mutex_unlock(&ui->lock);
+}
+
 /** Terminate user interface.
  *
@@ -480 +524 @@
 }
 
+/** Get clickmatic from UI.
+ *
+ * @pararm ui UI
+ * @return Clickmatic
+ */
+ui_clickmatic_t *ui_get_clickmatic(ui_t *ui)
+{
+        return ui->clickmatic;
+}
+
 /** @}
  */