tMerge pull request #48 from agloo/border_adjust - wmutils - X windows manipulation utilities
 (HTM) git clone git://z3bra.org/wmutils
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       ---
 (DIR) commit c1bd0210073d72210beaf4c218754d612bdd4b74
 (DIR) parent ddbbc513377e0e5173ae19bcc8619ef0c19d8672
 (HTM) Author: zebra v3.1 <z3bratabs@users.noreply.github.com>
       Date:   Tue,  2 Aug 2016 08:10:12 +0200
       
       Merge pull request #48 from agloo/border_adjust
       
       chwb: keep window static when updating border size
       Diffstat:
         M chwb.c                              |      21 ++++++++++++++++++---
         M chwso.c                             |       2 +-
       
       2 files changed, 19 insertions(+), 4 deletions(-)
       ---
 (DIR) diff --git a/chwb.c b/chwb.c
       t@@ -23,15 +23,30 @@ usage(char *name)
        static void
        set_border(int width, int color, xcb_window_t win)
        {
       -        uint32_t values[1];
       +        uint32_t values[3];
       +        uint16_t curr_width;
                int mask;
       +        xcb_get_geometry_reply_t *geom;
        
                if (width != -1) {
       -                values[0] = width;
       -                mask = XCB_CONFIG_WINDOW_BORDER_WIDTH;
       +                geom = xcb_get_geometry_reply(conn, xcb_get_geometry(conn, win), NULL);
       +                if (!geom)
       +                        return;
       +
       +                /* Windows track position based on the top left corner of the border.
       +                 * To make the border move instead of the window, we move the window up and left
       +                 * by the amount the border would have shifted it down and right.*/
       +                curr_width = geom->border_width;
       +                values[0] = geom->x + curr_width - width;
       +                values[1] = geom->y + curr_width - width;
       +                values[2] = width;
       +
       +                mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y | XCB_CONFIG_WINDOW_BORDER_WIDTH ;
                        xcb_configure_window(conn, win, mask, values);
        
                        xcb_flush(conn);
       +
       +                free(geom);
                }
        
                if (color != -1) {
 (DIR) diff --git a/chwso.c b/chwso.c
       t@@ -32,7 +32,7 @@ main(int argc, char **argv)
                xcb_window_t win;
                uint32_t values[1];
                char *argv0 = NULL;
       -        
       +
                if (argc != 3)
                        usage(argv[0]);