Reinitialize the size calculation at view change

The volume bar and space sizes are recalculated at each time when
the view mode is changed.  This will fix the problem when the view
with fewer volumes is switched to the view with more volumes.

1 files changed, 26 insertions, 19 deletions

diff --git a/alsamixer/alsamixer.c b/alsamixer/alsamixer.c
index 8344d6e..c23651b 100644
--- a/alsamixer/alsamixer.c
+++ b/alsamixer/alsamixer.c
@@ -1458,6 +1458,30 @@ mixer_init (void)
   strcpy(mixer_device_name, snd_ctl_card_info_get_mixername(hw_info));
 }
 
+/* init mixer screen
+ */
+static void
+recalc_screen_size (void)
+{
+  getmaxyx (mixer_window, mixer_max_y, mixer_max_x);
+  if (mixer_minimize)
+    {
+      mixer_max_x = MIXER_MIN_X;
+      mixer_max_y = MIXER_MIN_Y;
+    }
+  mixer_ofs_x = 2 /* extra begin padding: */ + 1;
+
+  /* required allocations */
+  mixer_n_vis_elems = (mixer_max_x - mixer_ofs_x * 2 + 1) / 9;
+  mixer_n_vis_elems = CLAMP (mixer_n_vis_elems, 1, mixer_n_view_elems);
+  mixer_extra_space = mixer_max_x - mixer_ofs_x * 2 + 1 - mixer_n_vis_elems * 9;
+  mixer_extra_space = MAX (0, mixer_extra_space / (mixer_n_vis_elems + 1));
+  if (MIXER_TEXT_Y + 10 < mixer_max_y)
+    mixer_cbar_height = 10 + MAX (0, mixer_max_y - MIXER_TEXT_Y - 10 ) / 2;
+  else
+    mixer_cbar_height = MAX (1, mixer_max_y - MIXER_TEXT_Y);
+}
+
 static void
 mixer_reinit (void)
 {
@@ -1588,6 +1612,7 @@ __again:
   }
 
   mixer_n_view_elems = elem_index;
+  recalc_screen_size();
   mixer_focus_elem = 0;
   if (focus_type >= 0) {
     for (elem_index = 0; elem_index < mixer_n_view_elems; elem_index++) {
@@ -1630,25 +1655,7 @@ mixer_init_window (void)
   keypad (mixer_window, TRUE);
   GETCH_BLOCK (1);
 
-  /* init mixer screen
-   */
-  getmaxyx (mixer_window, mixer_max_y, mixer_max_x);
-  if (mixer_minimize)
-    {
-      mixer_max_x = MIXER_MIN_X;
-      mixer_max_y = MIXER_MIN_Y;
-    }
-  mixer_ofs_x = 2 /* extra begin padding: */ + 1;
-
-  /* required allocations */
-  mixer_n_vis_elems = (mixer_max_x - mixer_ofs_x * 2 + 1) / 9;
-  mixer_n_vis_elems = CLAMP (mixer_n_vis_elems, 1, mixer_n_view_elems);
-  mixer_extra_space = mixer_max_x - mixer_ofs_x * 2 + 1 - mixer_n_vis_elems * 9;
-  mixer_extra_space = MAX (0, mixer_extra_space / (mixer_n_vis_elems + 1));
-  if (MIXER_TEXT_Y + 10 < mixer_max_y)
-    mixer_cbar_height = 10 + MAX (0, mixer_max_y - MIXER_TEXT_Y - 10 ) / 2;
-  else
-    mixer_cbar_height = MAX (1, mixer_max_y - MIXER_TEXT_Y);
+  recalc_screen_size();
 
   mixer_clear (TRUE);
 }