Added urxvt overlay based dialog for closing window

README.rst

@@ -255,14 +255,24 @@ Confirm closing window
 When working with tabs, sometimes user accidentally could close the window, and
 loose all the applications run on the tabs. There might be multiple tabs open,
 or just one with running process on it (i.e. some editor), where closing window
-by accident could result in data loss. To prevent this, there are couple of
+by accident could result in data loss. To prevent this, there are two
-resources to be set. First one, disabled by default is::
+additional resources that can be set. First one, disabled by default is::
 
     URxvt.tabbedalt.confirm-quit: false
 
-When set to ``true`` it will execute a message program defined in
+When set to ``true`` it will either execute a message program or will display 
-``confirm-program`` resource. It might be whatever X program, which can accept
+an urxvt overlay with the dialog directly on current tab. Note that overlay
-text as an argument, and can provide dialog which:
+dialog will expect the user to either press:
+
+- ``y`` or ``enter`` key to close the window
+- ``n`` or ``escape`` key to deny closing it
+
+Second one is to provide X dialog program::
+
+    URxvt.tabbedalt.confirm-program:
+
+It might be whatever X program, which can accept text as an argument, and can
+provide dialog which:
 
 - have two buttons (i.e. yes/no, ok/cancel) where first will exit dialog with 0
   exit code and the latter will exit with whatever other number,
@@ -282,10 +292,6 @@ or `kdialog`_::
 
 or… any other dialog programs which fulfill the above criteria.
 
-Note, that ``confirm-program`` resource have no default value and you'll need
-to configure it alongside with the ``confirm-quit``, otherwise ``confirm-quit``
-will have no effect.
-
 Creating specific commands/shells
 ---------------------------------
 

tabbedalt

@@ -152,6 +152,9 @@
 # 2023-10-24 21:14:56
 # - Added confirmation when closing window when there is more than one tab or 
 #   there is a process still running.
+#
+# 2023-10-28 16:30:32
+# - Added overlay based dialog to confirm closing urxvt window
 
 use Scalar::Util;
 
@@ -588,6 +591,23 @@ sub init {
 
 }
 
+sub dialog_key_press {
+   # react only on certain keys:
+   # n and ESC - this case will delete the overlay
+   # y and Enter - in this case, all tabs will be destroyed
+   my ($tab, $event, $keysym, $str) = @_;
+
+   if ($keysym == 0xff0d || $keysym == 0xff8d || $keysym == 0x79) { # enter/y
+      $tab->disable('key_press');
+      $_->destroy for @{ $tab->{main}->{tabs} };
+   } elsif ($keysym == 0xff1b || $keysym == 0x6e) { # escape/n
+      delete $tab->{overlay};
+      $tab->disable('key_press');
+      $tab->{main}->refresh;
+   }
+   return 1;
+}
+
 _on start => sub {
    my ($self) = @_;
 
@@ -626,7 +646,7 @@ _on configure_notify => sub {
 _on wm_delete_window => sub {
    my ($self) = @_;
 
-   if ($self->{confirm_quit} and $self->{confirm_program}) {
+   if ($self->{confirm_quit}) {
       my $tab_count = @{ $self->{tabs} };
       my $subp_count = 0;
       my @subprocesses = split(/\n/, `ps --ppid $$ -o pid=,cmd=`);
@@ -647,27 +667,36 @@ _on wm_delete_window => sub {
 
       if ($tab_count > 1 or $subp_count > 0) {
          my $msg = "";
+         my $qst = "Are you sure you want to close urxvt?";
          $msg = "There are $tab_count tabs opened" if ($tab_count > 1);
 
          if ($subp_count > 0) {
             if (! $msg) {
                $msg = "There is $subp_count active processes running.";
-               $msg = "$msg Are you sure you want to close urxvt?";
             } else {
                $msg = "$msg and there is $subp_count active processes running.";
-               $msg = "$msg Are you sure you want to close urxvt?";
             }
-         }else{
-            $msg = "$msg. Are you sure you want to close urxvt?";
          }
 
-         `$self->{confirm_program} '$msg'`;
+         if ($self->{confirm_program}) {
+            `$self->{confirm_program} '$msg $qst'`;
 
-         if ($? == 0) {
+            if ($? == 0) {
-            $self->{is_being_destroyed} = 1;
+               $self->{is_being_destroyed} = 1;
-            # stop the timers, as we changed focus
+               # stop the timers, as we changed focus
-            $self->{timer}->stop();
+               $self->{timer}->stop();
-            $_->destroy for @{ $self->{tabs} };
+               $_->destroy for @{ $self->{tabs} };
+            }
+         } else {
+            my $marginc = int(($self->ncol - length $msg)/2);
+            my $marginr = int(($self->nrow - 4)/2);
+            my $tab = $self->{cur};
+
+            $tab->{overlay} = $tab->overlay_simple($marginc, $marginr,
+                                                   "$msg\n$qst (y/n)");
+            # action for removing all tabs will be decided in following 
+            # method.
+            $tab->enable(key_press => \&dialog_key_press);
          }
       } else {
          $_->destroy for @{ $self->{tabs} };
@@ -881,7 +910,6 @@ sub start_rename_tab {
    1
 }
 
-
 sub _rename_tab_key_press {
    my ($tab, $event, $keysym, $str) = @_;