diff options
author | Luke Smith <luke@lukesmith.xyz> | 2018-05-01 14:36:36 -0700 |
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committer | Luke Smith <luke@lukesmith.xyz> | 2018-05-01 14:36:36 -0700 |
commit | cd357e5c67d9101ca14c4706b50878cea8cf1300 (patch) | |
tree | 0ad3a0d70ebd4820c629f1031ac3a95953466ef4 /patches/st-scrollback-0.8.diff | |
parent | 60ea12d97195f65d257894ce73284985b98b4622 (diff) |
Big cleanup and some redundant bindings added
Diffstat (limited to 'patches/st-scrollback-0.8.diff')
-rw-r--r-- | patches/st-scrollback-0.8.diff | 348 |
1 files changed, 0 insertions, 348 deletions
diff --git a/patches/st-scrollback-0.8.diff b/patches/st-scrollback-0.8.diff deleted file mode 100644 index a61601a..0000000 --- a/patches/st-scrollback-0.8.diff +++ /dev/null @@ -1,348 +0,0 @@ -diff --git a/config.def.h b/config.def.h -index 82b1b09..27d42ca 100644 ---- a/config.def.h -+++ b/config.def.h -@@ -181,6 +181,8 @@ static Shortcut shortcuts[] = { - { TERMMOD, XK_Y, selpaste, {.i = 0} }, - { TERMMOD, XK_Num_Lock, numlock, {.i = 0} }, - { TERMMOD, XK_I, iso14755, {.i = 0} }, -+ { ShiftMask, XK_Page_Up, kscrollup, {.i = -1} }, -+ { ShiftMask, XK_Page_Down, kscrolldown, {.i = -1} }, - }; - - /* -diff --git a/st.c b/st.c -index 65a0cb6..1d8c12a 100644 ---- a/st.c -+++ b/st.c -@@ -121,6 +121,9 @@ typedef struct { - int col; /* nb col */ - Line *line; /* screen */ - Line *alt; /* alternate screen */ -+ Line hist[HISTSIZE]; /* history buffer */ -+ int histi; /* history index */ -+ int scr; /* scroll back */ - int *dirty; /* dirtyness of lines */ - TCursor c; /* cursor */ - int ocx; /* old cursor col */ -@@ -188,8 +191,8 @@ static void tnewline(int); - static void tputtab(int); - static void tputc(Rune); - static void treset(void); --static void tscrollup(int, int); --static void tscrolldown(int, int); -+static void tscrollup(int, int, int); -+static void tscrolldown(int, int, int); - static void tsetattr(int *, int); - static void tsetchar(Rune, Glyph *, int, int); - static void tsetdirt(int, int); -@@ -431,10 +434,10 @@ tlinelen(int y) - { - int i = term.col; - -- if (term.line[y][i - 1].mode & ATTR_WRAP) -+ if (TLINE(y)[i - 1].mode & ATTR_WRAP) - return i; - -- while (i > 0 && term.line[y][i - 1].u == ' ') -+ while (i > 0 && TLINE(y)[i - 1].u == ' ') - --i; - - return i; -@@ -543,7 +546,7 @@ selsnap(int *x, int *y, int direction) - * Snap around if the word wraps around at the end or - * beginning of a line. - */ -- prevgp = &term.line[*y][*x]; -+ prevgp = &TLINE(*y)[*x]; - prevdelim = ISDELIM(prevgp->u); - for (;;) { - newx = *x + direction; -@@ -558,14 +561,14 @@ selsnap(int *x, int *y, int direction) - yt = *y, xt = *x; - else - yt = newy, xt = newx; -- if (!(term.line[yt][xt].mode & ATTR_WRAP)) -+ if (!(TLINE(yt)[xt].mode & ATTR_WRAP)) - break; - } - - if (newx >= tlinelen(newy)) - break; - -- gp = &term.line[newy][newx]; -+ gp = &TLINE(newy)[newx]; - delim = ISDELIM(gp->u); - if (!(gp->mode & ATTR_WDUMMY) && (delim != prevdelim - || (delim && gp->u != prevgp->u))) -@@ -586,14 +589,14 @@ selsnap(int *x, int *y, int direction) - *x = (direction < 0) ? 0 : term.col - 1; - if (direction < 0) { - for (; *y > 0; *y += direction) { -- if (!(term.line[*y-1][term.col-1].mode -+ if (!(TLINE(*y-1)[term.col-1].mode - & ATTR_WRAP)) { - break; - } - } - } else if (direction > 0) { - for (; *y < term.row-1; *y += direction) { -- if (!(term.line[*y][term.col-1].mode -+ if (!(TLINE(*y)[term.col-1].mode - & ATTR_WRAP)) { - break; - } -@@ -624,13 +627,13 @@ getsel(void) - } - - if (sel.type == SEL_RECTANGULAR) { -- gp = &term.line[y][sel.nb.x]; -+ gp = &TLINE(y)[sel.nb.x]; - lastx = sel.ne.x; - } else { -- gp = &term.line[y][sel.nb.y == y ? sel.nb.x : 0]; -+ gp = &TLINE(y)[sel.nb.y == y ? sel.nb.x : 0]; - lastx = (sel.ne.y == y) ? sel.ne.x : term.col-1; - } -- last = &term.line[y][MIN(lastx, linelen-1)]; -+ last = &TLINE(y)[MIN(lastx, linelen-1)]; - while (last >= gp && last->u == ' ') - --last; - -@@ -836,6 +839,9 @@ ttyread(void) - if (buflen > 0) - memmove(buf, buf + written, buflen); - -+ if (term.scr > 0 && term.scr < HISTSIZE-1) -+ term.scr++; -+ - return ret; - } - -@@ -843,6 +849,9 @@ void - ttywrite(const char *s, size_t n, int may_echo) - { - const char *next; -+ Arg arg = (Arg) { .i = term.scr }; -+ -+ kscrolldown(&arg); - - if (may_echo && IS_SET(MODE_ECHO)) - twrite(s, n, 1); -@@ -1054,13 +1063,54 @@ tswapscreen(void) - } - - void --tscrolldown(int orig, int n) -+kscrolldown(const Arg* a) -+{ -+ int n = a->i; -+ -+ if (n < 0) -+ n = term.row + n; -+ -+ if (n > term.scr) -+ n = term.scr; -+ -+ if (term.scr > 0) { -+ term.scr -= n; -+ selscroll(0, -n); -+ tfulldirt(); -+ } -+} -+ -+void -+kscrollup(const Arg* a) -+{ -+ int n = a->i; -+ -+ if (n < 0) -+ n = term.row + n; -+ -+ if (term.scr <= HISTSIZE-n) { -+ term.scr += n; -+ selscroll(0, n); -+ tfulldirt(); -+ } -+} -+ -+ -+void -+tscrolldown(int orig, int n, int copyhist) - { - int i; - Line temp; - - LIMIT(n, 0, term.bot-orig+1); - -+ if (copyhist) { -+ term.histi = (term.histi - 1 + HISTSIZE) % HISTSIZE; -+ temp = term.hist[term.histi]; -+ term.hist[term.histi] = term.line[term.bot]; -+ term.line[term.bot] = temp; -+ } -+ - tsetdirt(orig, term.bot-n); - tclearregion(0, term.bot-n+1, term.col-1, term.bot); - -@@ -1074,13 +1124,20 @@ tscrolldown(int orig, int n) - } - - void --tscrollup(int orig, int n) -+tscrollup(int orig, int n, int copyhist) - { - int i; - Line temp; - - LIMIT(n, 0, term.bot-orig+1); - -+ if (copyhist) { -+ term.histi = (term.histi + 1) % HISTSIZE; -+ temp = term.hist[term.histi]; -+ term.hist[term.histi] = term.line[orig]; -+ term.line[orig] = temp; -+ } -+ - tclearregion(0, orig, term.col-1, orig+n-1); - tsetdirt(orig+n, term.bot); - -@@ -1129,7 +1186,7 @@ tnewline(int first_col) - int y = term.c.y; - - if (y == term.bot) { -- tscrollup(term.top, 1); -+ tscrollup(term.top, 1, 1); - } else { - y++; - } -@@ -1294,14 +1351,14 @@ void - tinsertblankline(int n) - { - if (BETWEEN(term.c.y, term.top, term.bot)) -- tscrolldown(term.c.y, n); -+ tscrolldown(term.c.y, n, 0); - } - - void - tdeleteline(int n) - { - if (BETWEEN(term.c.y, term.top, term.bot)) -- tscrollup(term.c.y, n); -+ tscrollup(term.c.y, n, 0); - } - - int32_t -@@ -1730,11 +1787,11 @@ csihandle(void) - break; - case 'S': /* SU -- Scroll <n> line up */ - DEFAULT(csiescseq.arg[0], 1); -- tscrollup(term.top, csiescseq.arg[0]); -+ tscrollup(term.top, csiescseq.arg[0], 0); - break; - case 'T': /* SD -- Scroll <n> line down */ - DEFAULT(csiescseq.arg[0], 1); -- tscrolldown(term.top, csiescseq.arg[0]); -+ tscrolldown(term.top, csiescseq.arg[0], 0); - break; - case 'L': /* IL -- Insert <n> blank lines */ - DEFAULT(csiescseq.arg[0], 1); -@@ -2258,7 +2315,7 @@ eschandle(uchar ascii) - return 0; - case 'D': /* IND -- Linefeed */ - if (term.c.y == term.bot) { -- tscrollup(term.top, 1); -+ tscrollup(term.top, 1, 1); - } else { - tmoveto(term.c.x, term.c.y+1); - } -@@ -2271,7 +2328,7 @@ eschandle(uchar ascii) - break; - case 'M': /* RI -- Reverse index */ - if (term.c.y == term.top) { -- tscrolldown(term.top, 1); -+ tscrolldown(term.top, 1, 1); - } else { - tmoveto(term.c.x, term.c.y-1); - } -@@ -2490,7 +2547,7 @@ twrite(const char *buf, int buflen, int show_ctrl) - void - tresize(int col, int row) - { -- int i; -+ int i, j; - int minrow = MIN(row, term.row); - int mincol = MIN(col, term.col); - int *bp; -@@ -2527,7 +2584,15 @@ tresize(int col, int row) - term.dirty = xrealloc(term.dirty, row * sizeof(*term.dirty)); - term.tabs = xrealloc(term.tabs, col * sizeof(*term.tabs)); - -- /* resize each row to new width, zero-pad if needed */ -+ for (i = 0; i < HISTSIZE; i++) { -+ term.hist[i] = xrealloc(term.hist[i], col * sizeof(Glyph)); -+ for (j = mincol; j < col; j++) { -+ term.hist[i][j] = term.c.attr; -+ term.hist[i][j].u = ' '; -+ } -+ } -+ -+ /* resize each r w to new width, zero-pad if needed */ - for (i = 0; i < minrow; i++) { - term.line[i] = xrealloc(term.line[i], col * sizeof(Glyph)); - term.alt[i] = xrealloc(term.alt[i], col * sizeof(Glyph)); -@@ -2584,7 +2649,7 @@ drawregion(int x1, int y1, int x2, int y2) - continue; - - term.dirty[y] = 0; -- xdrawline(term.line[y], x1, y, x2); -+ xdrawline(TLINE(y), x1, y, x2); - } - } - -@@ -2605,8 +2670,10 @@ draw(void) - cx--; - - drawregion(0, 0, term.col, term.row); -- xdrawcursor(cx, term.c.y, term.line[term.c.y][cx], -- term.ocx, term.ocy, term.line[term.ocy][term.ocx]); -+ if (term.scr == 0) { -+ xdrawcursor(cx, term.c.y, term.line[term.c.y][cx], -+ term.ocx, term.ocy, term.line[term.ocy][term.ocx]); -+ } - term.ocx = cx, term.ocy = term.c.y; - xfinishdraw(); - } -diff --git a/st.h b/st.h -index dac64d8..628e876 100644 ---- a/st.h -+++ b/st.h -@@ -3,6 +3,9 @@ - #include <stdint.h> - #include <sys/types.h> - -+/* Arbitrary size */ -+#define HISTSIZE 2000 -+ - /* macros */ - #define MIN(a, b) ((a) < (b) ? (a) : (b)) - #define MAX(a, b) ((a) < (b) ? (b) : (a)) -@@ -19,6 +22,8 @@ - - #define TRUECOLOR(r,g,b) (1 << 24 | (r) << 16 | (g) << 8 | (b)) - #define IS_TRUECOL(x) (1 << 24 & (x)) -+#define TLINE(y) ((y) < term.scr ? term.hist[((y) + term.histi - term.scr \ -+ + HISTSIZE + 1) % HISTSIZE] : term.line[(y) - term.scr]) - - enum glyph_attribute { - ATTR_NULL = 0, -@@ -111,6 +116,9 @@ void *xmalloc(size_t); - void *xrealloc(void *, size_t); - char *xstrdup(char *); - -+void kscrolldown(const Arg *); -+void kscrollup(const Arg *); -+ - /* config.h globals */ - extern char *utmp; - extern char *stty_args; |