[PATCH] Desktop-shell: Fixed window resize issue

[vivek]

This is a fix to  the following bug
https://bugs.freedesktop.org/show_bug.cgi?id=80228

Signed-off-by: vivek <vivek.ellur at samsung.com>
---
 desktop-shell/shell.c | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/desktop-shell/shell.c b/desktop-shell/shell.c
index 48b9faf..01fbb22 100644
--- a/desktop-shell/shell.c
+++ b/desktop-shell/shell.c
@@ -1696,6 +1696,7 @@ resize_grab_motion(struct weston_pointer_grab *grab, uint32_t time,
 	struct weston_pointer *pointer = grab->pointer;
 	struct shell_surface *shsurf = resize->base.shsurf;
 	int32_t width, height;
+	int32_t  new_y, panel_height, draw_flag = 1;
 	wl_fixed_t from_x, from_y;
 	wl_fixed_t to_x, to_y;
 
@@ -1719,12 +1720,22 @@ resize_grab_motion(struct weston_pointer_grab *grab, uint32_t time,
 
 	height = resize->height;
 	if (resize->edges & WL_SHELL_SURFACE_RESIZE_TOP) {
-		height += wl_fixed_to_int(from_y - to_y);
+		new_y = wl_fixed_to_int(pointer->y);
+		panel_height = get_output_panel_height(shsurf->shell,
+					       shsurf->surface->output);
+		if (new_y < panel_height) {
+			height += 0;
+			draw_flag = 0;
+		}
+		else {
+			height += wl_fixed_to_int(from_y - to_y);
+		}
 	} else if (resize->edges & WL_SHELL_SURFACE_RESIZE_BOTTOM) {
 		height += wl_fixed_to_int(to_y - from_y);
 	}
 
-	shsurf->client->send_configure(shsurf->surface, width, height);
+	if (draw_flag == 1)
+		shsurf->client->send_configure(shsurf->surface, width, height);
 }
 
 static void
-- 
1.9.1