(x_make_frame_visible): Use SystemParametersInfo with SPI_GETWORKAREA to find

the dimensions of the screen work area, and adjust vertical position of the
frame in order to avoid being covered by the task bar.

1 files changed, 16 insertions, 1 deletions

diff --git a/src/w32term.c b/src/w32term.c
index f691b4cb9a8..29fe961946d 100644
--- a/src/w32term.c
+++ b/src/w32term.c
@@ -5665,7 +5665,22 @@ x_make_frame_visible (f)
          before the window gets really visible.  */
       if (! FRAME_ICONIFIED_P (f)
           && ! f->output_data.w32->asked_for_visible)
-        x_set_offset (f, f->left_pos, f->top_pos, 0);
+        {
+          RECT workarea_rect;
+          RECT window_rect;
+
+          /* Adjust vertical window position in order to avoid being
+             covered by a task bar placed at the bottom of the desktop. */
+          SystemParametersInfo(SPI_GETWORKAREA, 0, &workarea_rect, 0);
+          GetWindowRect(FRAME_W32_WINDOW(f), &window_rect);
+          if (window_rect.bottom > workarea_rect.bottom
+              && window_rect.top > workarea_rect.top)
+            f->top_pos = max (window_rect.top
+                              - window_rect.bottom + workarea_rect.bottom,
+                              workarea_rect.top);
+
+          x_set_offset (f, f->left_pos, f->top_pos, 0);
+        }
 
       f->output_data.w32->asked_for_visible = 1;