From: Rob Bradford <r...@linux.intel.com>

---
 src/shell.c | 86 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 85 insertions(+), 1 deletion(-)

diff --git a/src/shell.c b/src/shell.c
index 368fa5b..5bddf12 100644
--- a/src/shell.c
+++ b/src/shell.c
@@ -1917,6 +1917,89 @@ shell_surface_set_popup(struct wl_client *client,
        shsurf->popup.y = y;
 }
 
+
+static void
+shell_surface_probe_area(struct wl_client *client,
+                        struct wl_resource *resource,
+                        int x,
+                        int y,
+                        int w,
+                        int h,
+                        uint32_t result_id)
+{
+       struct wl_resource result;
+       struct shell_surface *shsurf = resource->data;
+       struct {
+               struct {
+                       float x;
+                       float y;
+               } tl, br; /* tl = top left, br = bottom right */
+       } orig, new;
+
+       int output_w, output_h;
+
+       float new_x, new_y, new_w, new_h;
+
+       output_w = shsurf->surface->output->current->width;
+       output_h = shsurf->surface->output->current->height;
+
+       /* orig and new are in global co-ordinates */
+       weston_surface_to_global_float(shsurf->surface,
+                                      x, y,
+                                      &orig.tl.x, &orig.tl.y);
+       weston_surface_to_global_float(shsurf->surface,
+                                      x + w, y + h,
+                                      &orig.br.x, &orig.br.y);
+
+       new = orig;
+
+       /* Clamp the top left so it is inside */
+       if (orig.tl.x < 0)
+         new.tl.x = 0;
+       if (orig.tl.y < 0)
+         new.tl.y = 0;
+       if (orig.tl.x > output_w)
+         new.tl.x = output_w;
+       if (orig.tl.y > output_h)
+         new.tl.y = output_h;
+
+       /* Clamp the bottom right so it is inside */
+       if (orig.br.x < 0)
+         new.br.x = 0;
+       if (orig.br.y < 0)
+         new.br.y = 0;
+       if (orig.br.x > output_w)
+         new.br.x = output_w;
+       if (orig.br.y > output_h)
+         new.br.y = output_h;
+
+       /* Translate back into relative co-ordinates */
+       weston_surface_from_global_float(shsurf->surface,
+                                        orig.tl.x, orig.tl.y,
+                                        &new_x, &new_y);
+
+       /* and relative size */
+       new_w = new.br.x - ceilf(new.tl.x);
+       new_h = new.br.y - ceilf(new.tl.y);
+
+       memset(&result, 0, sizeof(result));
+
+       result.object.interface = &wl_probe_result_interface;
+       result.object.id = result_id;
+       result.destroy = NULL;
+       result.client = client;
+       result.data = NULL;
+
+       wl_client_add_resource(client, &result);
+
+       wl_resource_post_event(&result,
+                              WL_PROBE_RESULT_VISIBLE_AREA,
+                              (int)ceilf(new_x), (int)ceilf(new_y),
+                              (int)floorf(new_w), (int)floorf(new_h));
+
+       wl_resource_destroy(&result);
+}
+
 static const struct wl_shell_surface_interface shell_surface_implementation = {
        shell_surface_pong,
        shell_surface_move,
@@ -1927,7 +2010,8 @@ static const struct wl_shell_surface_interface 
shell_surface_implementation = {
        shell_surface_set_popup,
        shell_surface_set_maximized,
        shell_surface_set_title,
-       shell_surface_set_class
+       shell_surface_set_class,
+       shell_surface_probe_area
 };
 
 static void
-- 
1.8.1

_______________________________________________
wayland-devel mailing list
wayland-devel@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/wayland-devel

Reply via email to