File rxvt-unicode-secondarywheel.patch of Package rxvt-unicode.17745

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File rxvt-unicode-secondarywheel.patch of Package rxvt-unicode.17745

The patch from Arch Linux:

https://aur.archlinux.org/packages/rxvt-unicode-better-wheel-scrolling/

diff --git a/doc/rxvt.1.pod b/doc/rxvt.1.pod
index 169e104..4bb13b3 100644
--- a/doc/rxvt.1.pod
+++ b/doc/rxvt.1.pod
@@ -427,6 +427,11 @@ B<secondaryScreen>.
 Turn on/off secondary screen scroll (default enabled); resource
 B<secondaryScroll>.
 
+=item B<-ssw>|B<+ssw>
+
+Turn on/off secondary screen wheel support (default disabled); resource
+B<secondaryWheel>.
+
 =item B<-hold>|B<+hold>
 
 Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
@@ -1044,6 +1049,13 @@ option is enabled, scrolls on the secondary screen will change the
 scrollback buffer and, when secondaryScreen is off, switching
 to/from the secondary screen will instead scroll the screen up.
 
+=item B<secondaryWheel:> I<boolean>
+
+Turn on/off secondary wheel (default disabled). If enabled, when on
+secondary screen, using the mouse wheel will not scroll in the buffer
+but instead send 3 "fake" keystrokes (Up/Down arrow) to the running
+application (allows e.g. natural scrolling in B<man>, B<less>, etc).
+
 =item B<hold>: I<boolean>
 
 Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
diff --git a/src/command.C b/src/command.C
index d212764..3b7e266 100644
--- a/src/command.C
+++ b/src/command.C
@@ -2237,10 +2237,46 @@ rxvt_term::button_release (XButtonEvent &ev)
                 }
               else
 # endif
+#ifndef NO_SECONDARY_SCREEN
                 {
-                  scr_page (dirn, lines);
-                  scrollBar.show (1);
+                  /* on SECONDARY screen, we send "fake" UP/DOWN keys instead
+                   * (this allows to scroll within man, less, etc) */
+                  if (option (Opt_secondaryWheel) && current_screen != PRIMARY)
+                    {
+                       XKeyEvent event;
+                       event.display     = ev.display;
+                       event.window      = ev.window;
+                       event.root        = ev.root;
+                       event.subwindow   = ev.subwindow;
+                       event.time        = ev.time;
+                       event.x           = ev.x;
+                       event.y           = ev.y;
+                       event.x_root      = ev.x_root;
+                       event.y_root      = ev.y_root;
+                       event.same_screen = ev.same_screen;
+                       event.state       = 0;
+                       event.keycode     = XKeysymToKeycode(ev.display,
+                                            (dirn == UP) ? XK_Up : XK_Down);
+                       for ( ; lines > 0; --lines)
+                         {
+                            event.type = KeyPress;
+                            XSendEvent (event.display, event.window, True,
+                                        KeyPressMask, (XEvent *) &event);
+                            event.type = KeyRelease;
+                            XSendEvent (event.display, event.window, True,
+                                        KeyPressMask, (XEvent *) &event);
+                          }
+                    }
+                  /* on PRIMARY screen, we scroll in the buffer */
+                  else
+#endif
+                    {
+                       scr_page (dirn, lines);
+                       scrollBar.show (1);
+                    }
+#ifndef NO_SECONDARY_SCREEN
                 }
+#endif
             }
             break;
 #endif
diff --git a/src/optinc.h b/src/optinc.h
index 09f9a26..c79a5be 100644
--- a/src/optinc.h
+++ b/src/optinc.h
@@ -27,6 +27,7 @@
  def(cursorBlink)
  def(secondaryScreen)
  def(secondaryScroll)
+ def(secondaryWheel)
  def(pastableTabs)
  def(cursorUnderline)
 #if ENABLE_FRILLS
diff --git a/src/rsinc.h b/src/rsinc.h
index 682322c..6325057 100644
--- a/src/rsinc.h
+++ b/src/rsinc.h
@@ -104,6 +104,7 @@
 #ifndef NO_SECONDARY_SCREEN
   def (secondaryScreen)
   def (secondaryScroll)
+  def (secondaryWheel)
 #endif
 #if OFF_FOCUS_FADING
   def (fade)
diff --git a/src/xdefaults.C b/src/xdefaults.C
index 2308844..0f5d2d0 100644
--- a/src/xdefaults.C
+++ b/src/xdefaults.C
@@ -264,6 +264,7 @@ optList[] = {
 #ifndef NO_SECONDARY_SCREEN
               BOOL (Rs_secondaryScreen, "secondaryScreen", "ssc", Opt_secondaryScreen, 0, "enable secondary screen"),
               BOOL (Rs_secondaryScroll, "secondaryScroll", "ssr", Opt_secondaryScroll, 0, "enable secondary screen scroll"),
+              BOOL (Rs_secondaryWheel, "secondaryWheel", "ssw", Opt_secondaryWheel, 0, "enable secondary screen wheel"),
 #endif
 #if ENABLE_PERL
               RSTRG (Rs_perl_lib, "perl-lib", "string"), //, "colon-separated directories with extension scripts"),TODO

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File rxvt-unicode-secondarywheel.patch of Package rxvt-unicode.17745

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