[wiki] [sites] [st][patches][scrollback] Add patch Use float argument in kscrollup/kscrolldown instead of int so page can be scrolled more smoothly || SanyaNya

[git]

commit 27a88bd39f26fbc1dee15ffe460fb52ec6ffb797
Author: SanyaNya <sanyanya4e...@gmail.com>
Date:   Mon May 13 18:14:53 2024 +0300

    [st][patches][scrollback] Add patch
    Use float argument in kscrollup/kscrolldown instead of int
    so page can be scrolled more smoothly

diff --git a/st.suckless.org/patches/scrollback/index.md 
b/st.suckless.org/patches/scrollback/index.md
index 661db1eb..763899ce 100644
--- a/st.suckless.org/patches/scrollback/index.md
+++ b/st.suckless.org/patches/scrollback/index.md
@@ -19,6 +19,11 @@ efficient scrolling:
 * [st-scrollback-ringbuffer-0.9.2.diff](st-scrollback-ringbuffer-0.9.2.diff)
 * [st-scrollback-ringbuffer-0.8.5.diff](st-scrollback-ringbuffer-0.8.5.diff)
 
+Apply the following patch on top of the previous to use float argument in
+kscrollup/kscrolldown.
+
+* [st-scrollback-float-0.9.2.diff](st-scrollback-float-0.9.2.diff)
+
 Apply the following patch on top of the previous to allow column and row 
reflow.
 
 * [st-scrollback-reflow-0.8.5.diff](st-scrollback-reflow-0.8.5.diff)
diff --git a/st.suckless.org/patches/scrollback/st-scrollback-float-0.9.2.diff 
b/st.suckless.org/patches/scrollback/st-scrollback-float-0.9.2.diff
new file mode 100644
index 00000000..e4243dc9
--- /dev/null
+++ b/st.suckless.org/patches/scrollback/st-scrollback-float-0.9.2.diff
@@ -0,0 +1,52 @@
+diff --git a/config.def.h b/config.def.h
+index 8b25d40..6769f99 100644
+--- a/config.def.h
++++ b/config.def.h
+@@ -201,8 +201,8 @@ static Shortcut shortcuts[] = {
+       { TERMMOD,              XK_Y,           selpaste,       {.i =  0} },
+       { ShiftMask,            XK_Insert,      selpaste,       {.i =  0} },
+       { TERMMOD,              XK_Num_Lock,    numlock,        {.i =  0} },
+-      { ShiftMask,            XK_Page_Up,     kscrollup,      {.i = -1} },
+-      { ShiftMask,            XK_Page_Down,   kscrolldown,    {.i = -1} },
++      { ShiftMask,            XK_Page_Up,     kscrollup,      {.f = -0.1} },
++      { ShiftMask,            XK_Page_Down,   kscrolldown,    {.f = -0.1} },
+ };
+ 
+ /*
+diff --git a/st.c b/st.c
+index a3b3c9d..5a93594 100644
+--- a/st.c
++++ b/st.c
+@@ -1087,14 +1087,14 @@ tswapscreen(void)
+ void
+ kscrollup(const Arg *a)
+ {
+-      int n = a->i;
++      float n = a->f;
+ 
+       if (IS_SET(MODE_ALTSCREEN))
+               return;
+ 
+-      if (n < 0) n = (-n) * term.row;
++      if (n < 0) n = MAX((-n) * term.row, 1);
+       if (n > TSCREEN.size - term.row - TSCREEN.off) n = TSCREEN.size - 
term.row - TSCREEN.off;
+-      while (!TLINE(-n)) --n;
++      while (!TLINE((int)-n)) --n;
+       TSCREEN.off += n;
+       selscroll(0, n);
+       tfulldirt();
+@@ -1104,12 +1104,12 @@ void
+ kscrolldown(const Arg *a)
+ {
+ 
+-      int n = a->i;
++      float n = a->f;
+ 
+       if (IS_SET(MODE_ALTSCREEN))
+               return;
+ 
+-      if (n < 0) n = (-n) * term.row;
++      if (n < 0) n = MAX((-n) * term.row, 1);
+       if (n > TSCREEN.off) n = TSCREEN.off;
+       TSCREEN.off -= n;
+       selscroll(0, -n);