Changeset 08499f0 in mainline for uspace/app/uidemo/uidemo.c

Timestamp:

2026-05-16T22:12:20Z (12 hours ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

master

Parents:

9389aaa

Message:

Animate progress bar in UI demo.

File:

• uspace/app/uidemo/uidemo.c (modified) (5 diffs)

uspace/app/uidemo/uidemo.c

@@ -33 +33 @@
  */
 
+#include <fibril_synch.h>
 #include <gfx/bitmap.h>
 #include <gfx/coord.h>
@@ -60 +61 @@
 #include "uidemo.h"
 
+enum {
+        scrollbar_update_interval_ms = 1000,
+        ui_demo_progress_step = 17
+};
+
 static errno_t bitmap_moire(gfx_bitmap_t *, gfx_coord_t, gfx_coord_t);
 
@@ -714 +720 @@
         (void) demo;
         ui_msg_dialog_destroy(dialog);
+}
+
+static void ui_demo_timer_fun(void *arg)
+{
+        ui_demo_t *demo = (ui_demo_t *) arg;
+
+        if (demo->progress_value < 100) {
+                demo->progress_value += ui_demo_progress_step;
+                if (demo->progress_value > 100)
+                        demo->progress_value = 100;
+        } else {
+                demo->progress_value = 0;
+        }
+
+        ui_progress_set_value(demo->progress, demo->progress_value);
+
+        if (ui_tab_is_selected(demo->tbars)) {
+                ui_lock(demo->ui);
+                ui_progress_paint(demo->progress);
+                ui_unlock(demo->ui);
+        }
+
+        fibril_timer_set(demo->timer, 1000 * scrollbar_update_interval_ms,
+            ui_demo_timer_fun, (void *)demo);
 }
 
@@ -1472 +1502 @@
         ui_window_add(window, ui_fixed_ctl(demo.fixed));
 
+        demo.timer = fibril_timer_create(NULL);
+        if (demo.timer == NULL) {
+                printf("Error creating timer.\n");
+                return ENOMEM;
+        }
+
+        fibril_timer_set(demo.timer, 1000 * scrollbar_update_interval_ms,
+            ui_demo_timer_fun, (void *)&demo);
+
         rc = ui_window_paint(window);
         if (rc != EOK) {
@@ -1479 +1518 @@
 
         ui_run(ui);
+
+        fibril_timer_clear(demo.timer);
+        fibril_timer_destroy(demo.timer);
 
         ui_window_destroy(window);