Apply Scrollback patch

Homepage link: https://st.suckless.org/patches/scrollback/
Patch link:
    https://st.suckless.org/patches/scrollback/st-scrollback-20200419-72e3f6c.diff
    https://st.suckless.org/patches/scrollback/st-scrollback-mouse-20191024-a2c479c.diff
    https://st.suckless.org/patches/scrollback/st-scrollback-mouse-altscreen-20200416-5703aa0.diff
    https://st.suckless.org/patches/scrollback/st-scrollback-mouse-increment-0.8.2.diff
Additional info:
+ patch applied because I'm planning on ditching tmux, which currently
  provides this functionality;
+ patches applied manually.

1 files changed, 2 insertions, 0 deletions

diff --git a/x.c b/x.c
index 57f6f1b..18d258e 100644
--- a/x.c
+++ b/x.c
@@ -34,6 +34,7 @@ typedef struct {
         void (*func)(const Arg *);
         const Arg arg;
         uint  release;
+    int  altscrn;  /* 0: don't care, -1: not alt screen, 1: alt screen */
 } MouseShortcut;
 
 typedef struct {
@@ -434,6 +435,7 @@ mouseaction(XEvent *e, uint release)
         for (ms = mshortcuts; ms < mshortcuts + LEN(mshortcuts); ms++) {
                 if (ms->release == release &&
                     ms->button == e->xbutton.button &&
+            (!ms->altscrn || (ms->altscrn == (tisaltscr() ? 1 : -1))) &&
                     (match(ms->mod, e->xbutton.state) ||  /* exact or forced */
                      match(ms->mod, e->xbutton.state & ~forcemousemod))) {
                         ms->func(&(ms->arg));