Changeset 1e4a937 in mainline for uspace/lib/display/src

Timestamp:

2020-03-09T11:03:58Z (5 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

e022819

Parents:

a2e104e

git-author:

Jiri Svoboda <jiri@…> (2020-03-08 10:02:08)

git-committer:

Jiri Svoboda <jiri@…> (2020-03-09 11:03:58)

Message:

Add libdisplay method for initiating window resize

Location:

uspace/lib/display/src

Files:

• disp_srv.c (modified) (3 diffs)
• display.c (modified) (2 diffs)

uspace/lib/display/src/disp_srv.c

@@ -37 +37 @@
 #include <disp_srv.h>
 #include <display/event.h>
+#include <display/wndresize.h>
 #include <errno.h>
 #include <io/log.h>
@@ -147 +148 @@
 }
 
+static void display_window_resize_req_srv(display_srv_t *srv, ipc_call_t *icall)
+{
+        sysarg_t wnd_id;
+        ipc_call_t call;
+        display_wnd_rsztype_t rsztype;
+        gfx_coord2_t pos;
+        size_t size;
+        errno_t rc;
+
+        wnd_id = ipc_get_arg1(icall);
+        rsztype = (display_wnd_rsztype_t) ipc_get_arg2(icall);
+
+        if (!async_data_write_receive(&call, &size)) {
+                async_answer_0(&call, EREFUSED);
+                async_answer_0(icall, EREFUSED);
+                return;
+        }
+
+        if (size != sizeof(gfx_coord2_t)) {
+                async_answer_0(&call, EINVAL);
+                async_answer_0(icall, EINVAL);
+                return;
+        }
+
+        rc = async_data_write_finalize(&call, &pos, size);
+        if (rc != EOK) {
+                async_answer_0(&call, rc);
+                async_answer_0(icall, rc);
+                return;
+        }
+
+        if (srv->ops->window_resize_req == NULL) {
+                async_answer_0(icall, ENOTSUP);
+                return;
+        }
+
+        rc = srv->ops->window_resize_req(srv->arg, wnd_id, rsztype, &pos);
+        async_answer_0(icall, rc);
+}
+
 static void display_window_resize_srv(display_srv_t *srv, ipc_call_t *icall)
 {
@@ -256 +297 @@
                 case DISPLAY_WINDOW_MOVE_REQ:
                         display_window_move_req_srv(srv, &call);
+                        break;
+                case DISPLAY_WINDOW_RESIZE_REQ:
+                        display_window_resize_req_srv(srv, &call);
                         break;
                 case DISPLAY_WINDOW_RESIZE:

uspace/lib/display/src/display.c

@@ -251 +251 @@
  *
  * @param window Window
+ * @param pos Position in the window where the button was pressed
  * @return EOK on success or an error code
  */
@@ -262 +263 @@
         exch = async_exchange_begin(window->display->sess);
         req = async_send_1(exch, DISPLAY_WINDOW_MOVE_REQ, window->id, &answer);
+        rc = async_data_write_start(exch, (void *)pos, sizeof (gfx_coord2_t));
+        async_exchange_end(exch);
+        if (rc != EOK) {
+                async_forget(req);
+                return rc;
+        }
+
+        async_wait_for(req, &rc);
+        if (rc != EOK)
+                return rc;
+
+        return EOK;
+}
+
+/** Request a window resize.
+ *
+ * Request the display service to initiate a user window resize operation
+ * (i.e. let the user resize the window). Used when the client detects
+ * mouse press on the window frame or such.
+ *
+ * @param window Window
+ * @param rsztype Resize type (which part of window frame is being dragged)
+ * @param pos Position in the window where the button was pressed
+ * @return EOK on success or an error code
+ */
+errno_t display_window_resize_req(display_window_t *window,
+    display_wnd_rsztype_t rsztype, gfx_coord2_t *pos)
+{
+        async_exch_t *exch;
+        aid_t req;
+        ipc_call_t answer;
+        errno_t rc;
+
+        exch = async_exchange_begin(window->display->sess);
+        req = async_send_2(exch, DISPLAY_WINDOW_RESIZE_REQ, window->id,
+            (sysarg_t) rsztype, &answer);
         rc = async_data_write_start(exch, (void *)pos, sizeof (gfx_coord2_t));
         async_exchange_end(exch);