Changeset 7ddc2c7 in mainline for kernel/generic/src/console/console.c

Timestamp:

2014-03-17T15:00:13Z (10 years ago)

Author:

Martin Decky <martin@…>

Branches:

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

Children:

9df6b0f

Parents:

e1fc679a

Message:

add support for framebuffer history paging (using Page Up and Page Down keys), inspiration taken from the code by Sebastian Köln
add support for input device out-of-band signalling

File:

• kernel/generic/src/console/console.c (modified) (6 diffs)

kernel/generic/src/console/console.c

@@ -84 +84 @@
 static outdev_t stdout_source;
 
+static void stdin_signal(indev_t *, indev_signal_t);
+
 static indev_operations_t stdin_ops = {
-        .poll = NULL
+        .poll = NULL,
+        .signal = stdin_signal
 };
 
 static void stdout_write(outdev_t *, wchar_t);
 static void stdout_redraw(outdev_t *);
+static void stdout_scroll_up(outdev_t *);
+static void stdout_scroll_down(outdev_t *);
 
 static outdev_operations_t stdout_ops = {
         .write = stdout_write,
-        .redraw = stdout_redraw
+        .redraw = stdout_redraw,
+        .scroll_up = stdout_scroll_up,
+        .scroll_down = stdout_scroll_down
 };
 
@@ -113 +120 @@
 }
 
+static void stdin_signal(indev_t *indev, indev_signal_t signal)
+{
+        switch (signal) {
+        case INDEV_SIGNAL_SCROLL_UP:
+                if (stdout != NULL)
+                        stdout_scroll_up(stdout);
+                break;
+        case INDEV_SIGNAL_SCROLL_DOWN:
+                if (stdout != NULL)
+                        stdout_scroll_down(stdout);
+                break;
+        }
+}
+
 void stdout_wire(outdev_t *outdev)
 {
@@ -136 +157 @@
                 if ((sink) && (sink->op->redraw))
                         sink->op->redraw(sink);
+        }
+}
+
+static void stdout_scroll_up(outdev_t *dev)
+{
+        list_foreach(dev->list, link, outdev_t, sink) {
+                if ((sink) && (sink->op->scroll_up))
+                        sink->op->scroll_up(sink);
+        }
+}
+
+static void stdout_scroll_down(outdev_t *dev)
+{
+        list_foreach(dev->list, link, outdev_t, sink) {
+                if ((sink) && (sink->op->scroll_down))
+                        sink->op->scroll_down(sink);
         }
 }
@@ -229 +266 @@
                         }
                 }
+                
                 if (chr_encode(ch, buf, &offset, buflen - 1) == EOK) {
                         putchar(ch);
@@ -264 +302 @@
 
 /** Flush characters that are stored in the output buffer
- * 
+ *
  */
 void kio_flush(void)
@@ -294 +332 @@
 
 /** Put a character into the output buffer.
- * 
+ *
  * The caller is required to hold kio_lock
  */