wlt: toolkit: allow zero values as new size

If zero is passed as new size, we now simply use the current size. This
allows widgets to schedule a resize round without having to specify the
current size explicitely.

Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>

diff --git a/src/wlt_toolkit.c b/src/wlt_toolkit.c
index 112dcd0..b2010aa 100644 (file)
--- a/src/wlt_toolkit.c
+++ b/src/wlt_toolkit.c
@@ -1031,7 +1031,12 @@ static int resize_window(struct wlt_window *wnd, unsigned int width,
        int ret;
        unsigned int oldw, oldh, neww, newh, minw, minh, flags;
 
-       if (!wnd || !width || !height)
+       if (!width)
+               width = wnd->buffer.width;
+       if (!height)
+               height = wnd->buffer.height;
+
+       if (!width || !height)
                return -EINVAL;
 
        flags = 0;
@@ -1466,7 +1471,7 @@ void wlt_window_resize(struct wlt_window *wnd, uint32_t edges)
 int wlt_window_set_size(struct wlt_window *wnd,
                        unsigned int width, unsigned int height)
 {
-       if (!wnd || !width || !height)
+       if (!wnd)
                return -EINVAL;
 
        wnd->new_width = width;