https://bugs.freedesktop.org/show_bug.cgi?id=80228
---
desktop-shell/shell.c | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/desktop-shell/shell.c b/desktop-shell/shell.c
index e3abaad..e3241fd 100644
--- a/desktop-shell/shell.c
+++ b/desktop-shell/shell.c
@@ -1758,6 +1758,30 @@ struct weston_resize_grab {
};
static void
+constrain_resize_grab(struct weston_pointer_grab *grab,
+ int32_t *width, int32_t *height)
+{
+ struct weston_resize_grab *resize = (struct weston_resize_grab *) grab;
+ struct shell_surface *shsurf = resize->base.shsurf;
+
+ int32_t height_difference;
+
+ height_difference = *height - shsurf->geometry.height;
+
+ /* we're only trying to make sure titlebars don't go under the panel */
+ if (shsurf->shell->panel_position == DESKTOP_SHELL_PANEL_POSITION_TOP &&
+ resize->edges & WL_SHELL_SURFACE_RESIZE_TOP &&
+ height_difference > 0) {
+ int32_t top;
+
+ top = shsurf->view->geometry.y - height_difference;
+
+ if (top < 0)
+ *height = shsurf->geometry.height;
+ }
+}
+
+static void
resize_grab_motion(struct weston_pointer_grab *grab, uint32_t time,
wl_fixed_t x, wl_fixed_t y)
{
@@ -1793,6 +1817,8 @@ resize_grab_motion(struct weston_pointer_grab *grab,
uint32_t time,
height += wl_fixed_to_int(to_y - from_y);
}
+ constrain_resize_grab(grab, &width, &height);
+
shsurf->client->send_configure(shsurf->surface, width, height);
}
--
2.1.0
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