Changeset 1388f7f0 in mainline for uspace/srv/hid/display/seat.c

Timestamp:

2020-02-21T10:50:48Z (5 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

265989d

Parents:

6c2aba3

git-author:

Jiri Svoboda <jiri@…> (2020-02-19 19:38:03)

git-committer:

Jiri Svoboda <jiri@…> (2020-02-21 10:50:48)

Message:

Support absolute movement events from input device

File:

• uspace/srv/hid/display/seat.c (modified) (2 diffs)

uspace/srv/hid/display/seat.c

@@ -256 +256 @@
  * @return EOK on success or an error code
  */
+#include <stdio.h>
 errno_t ds_seat_post_ptd_event(ds_seat_t *seat, ptd_event_t *event)
 {
@@ -306 +307 @@
         }
 
+        if (event->type == PTD_ABS_MOVE) {
+                /*
+                 * Project input device area onto display area. Technically
+                 * we probably want to project onto the area of a particular
+                 * display device. The tricky part is figuring out which
+                 * display device the input device is associated with.
+                 */
+                gfx_coord2_project(&event->apos, &event->abounds,
+                    &disp->rect, &npos);
+
+                gfx_coord2_clip(&npos, &disp->rect, &npos);
+
+                (void) ds_seat_clear_pointer(seat);
+                seat->pntpos = npos;
+
+                pevent.pos_id = 0;
+                pevent.type = POS_UPDATE;
+                pevent.btn_num = 0;
+                pevent.hpos = seat->pntpos.x;
+                pevent.vpos = seat->pntpos.y;
+
+                rc = ds_seat_post_pos_event(seat, &pevent);
+                if (rc != EOK)
+                        return rc;
+
+                (void) ds_seat_draw_pointer(seat);
+        }
+
         return EOK;
 }