SIGWINCH handling in suspended dialogs.

Signed-off-by: Andrew Borodin <aborodin@vmail.ru>

src/dialog-switch.c

@@ -233,6 +233,16 @@ dialog_switch_process_pending (void)
     return ret;
 }
 
+void
+dialog_switch_got_winch (void)
+{
+    GList *dlg;
+
+    for (dlg = mc_dialogs; dlg != NULL; dlg = g_list_next (dlg))
+        if (dlg != mc_current)
+            ((Dlg_head *) dlg->data)->winch_pending = TRUE;
+}
+
 void
 dialog_switch_shutdown (void)
 {

src/dialog-switch.h

@@ -9,10 +9,10 @@ void dialog_switch_remove (struct Dlg_head *h);
 
 void dialog_switch_next (void);
 void dialog_switch_prev (void);
-
 void dialog_switch_list (void);
 
 int dialog_switch_process_pending (void);
+void dialog_switch_got_winch (void);
 void dialog_switch_shutdown (void);
 
 #endif /* MC_DIALOG_SWITCH_H */

src/dialog.c

@@ -651,6 +651,12 @@ update_cursor (Dlg_head * h)
 void
 dlg_redraw (Dlg_head * h)
 {
+    if (h->winch_pending)
+    {
+        h->winch_pending = FALSE;
+        h->callback (h, NULL, DLG_RESIZE, 0, NULL);
+    }
+
     h->callback (h, NULL, DLG_DRAW, 0, NULL);
     dlg_broadcast_msg (h, WIDGET_DRAW, TRUE);
     update_cursor (h);

src/dialog.h

@@ -152,6 +152,7 @@ struct Dlg_head
     /* Internal flags */
     dlg_state_t state;
     gboolean fullscreen;        /* Parents dialogs don't need refresh */
+    gboolean winch_pending;     /* SIGWINCH signal has been got. Resize dialog after rise */
     int mouse_status;           /* For the autorepeat status of the mouse */
 
     /* Internal variables */

src/layout.c

@@ -55,6 +55,7 @@
 #include "lib/strutil.h"
 
 #include "dialog.h"
+#include "dialog-switch.h"      /* dialog_switch_got_winch() */
 #include "widget.h"
 #include "command.h"
 #include "main-widgets.h"
@@ -778,6 +779,8 @@ change_screen_size (void)
     tty_nodelay (FALSE);
 #endif
 
+    /* Inform all suspending dialogs */
+    dialog_switch_got_winch ();
     /* Inform all running dialogs */
     g_list_foreach (top_dlg, (GFunc) dlg_resize_cb, NULL);