*/
static MouseShortcut mshortcuts[] = {
/* mask button function argument release */
+ { XK_ANY_MOD, Button4, kscrollup, {.i = 1}, 0, /* !alt */ -1 },
+ { XK_ANY_MOD, Button5, kscrolldown, {.i = 1}, 0, /* !alt */ -1 },
{ XK_ANY_MOD, Button2, selpaste, {.i = 0}, 1 },
{ ShiftMask, Button4, ttysend, {.s = "\033[5;2~"} },
{ XK_ANY_MOD, Button4, ttysend, {.s = "\031"} },
{ TERMMOD, XK_Y, selpaste, {.i = 0} },
{ ShiftMask, XK_Insert, selpaste, {.i = 0} },
{ TERMMOD, XK_Num_Lock, numlock, {.i = 0} },
+ { MODKEY, XK_u, kscrollup, {.i = -1} },
+ { MODKEY, XK_d, kscrolldown, {.i = -1} },
{ TERMMOD, XK_K, zoom, {.f = +1} },
{ TERMMOD, XK_J, zoom, {.f = -1} },
};
--- /dev/null
+diff --git a/config.def.h b/config.def.h
+index 6f05dce..93cbcc0 100644
+--- a/config.def.h
++++ b/config.def.h
+@@ -199,6 +199,8 @@ 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} },
+ };
+
+ /*
+diff --git a/st.c b/st.c
+index ebdf360..817cc47 100644
+--- a/st.c
++++ b/st.c
+@@ -35,6 +35,7 @@
+ #define ESC_ARG_SIZ 16
+ #define STR_BUF_SIZ ESC_BUF_SIZ
+ #define STR_ARG_SIZ ESC_ARG_SIZ
++#define HISTSIZE 2000
+
+ /* macros */
+ #define IS_SET(flag) ((term.mode & (flag)) != 0)
+@@ -42,6 +43,9 @@
+ #define ISCONTROLC1(c) (BETWEEN(c, 0x80, 0x9f))
+ #define ISCONTROL(c) (ISCONTROLC0(c) || ISCONTROLC1(c))
+ #define ISDELIM(u) (u && wcschr(worddelimiters, u))
++#define TLINE(y) ((y) < term.scr ? term.hist[((y) + term.histi - \
++ term.scr + HISTSIZE + 1) % HISTSIZE] : \
++ term.line[(y) - term.scr])
+
+ enum term_mode {
+ MODE_WRAP = 1 << 0,
+@@ -115,6 +119,9 @@ 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 */
+@@ -184,8 +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(const int *, int);
+ static void tsetchar(Rune, const Glyph *, int, int);
+ static void tsetdirt(int, int);
+@@ -416,10 +423,10 @@ 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;
+@@ -528,7 +535,7 @@ 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;
+@@ -543,14 +550,14 @@ 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)))
+@@ -571,14 +578,14 @@ 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;
+ }
+@@ -609,13 +616,13 @@ 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;
+
+@@ -850,6 +857,9 @@ 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);
+@@ -1061,13 +1071,53 @@ 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);
+
+@@ -1077,17 +1127,28 @@ tscrolldown(int orig, int n)
+ term.line[i-n] = temp;
+ }
+
+- selscroll(orig, n);
++ if (term.scr == 0)
++ selscroll(orig, 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;
++ }
++
++ if (term.scr > 0 && term.scr < HISTSIZE)
++ term.scr = MIN(term.scr + n, HISTSIZE-1);
++
+ tclearregion(0, orig, term.col-1, orig+n-1);
+ tsetdirt(orig+n, term.bot);
+
+@@ -1097,7 +1158,8 @@ tscrollup(int orig, int n)
+ term.line[i+n] = temp;
+ }
+
+- selscroll(orig, -n);
++ if (term.scr == 0)
++ selscroll(orig, -n);
+ }
+
+ void
+@@ -1126,7 +1188,7 @@ tnewline(int first_col)
+ int y = term.c.y;
+
+ if (y == term.bot) {
+- tscrollup(term.top, 1);
++ tscrollup(term.top, 1, 1);
+ } else {
+ y++;
+ }
+@@ -1291,14 +1353,14 @@ 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
+@@ -1735,11 +1797,11 @@ 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);
+@@ -2251,7 +2313,7 @@ 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);
+ }
+@@ -2264,7 +2326,7 @@ 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);
+ }
+@@ -2474,7 +2536,7 @@ 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;
+@@ -2511,6 +2573,14 @@ tresize(int col, int row)
+ term.dirty = xrealloc(term.dirty, row * sizeof(*term.dirty));
+ term.tabs = xrealloc(term.tabs, col * sizeof(*term.tabs));
+
++ 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 row to new width, zero-pad if needed */
+ for (i = 0; i < minrow; i++) {
+ term.line[i] = xrealloc(term.line[i], col * sizeof(Glyph));
+@@ -2569,7 +2639,7 @@ 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);
+ }
+ }
+
+@@ -2590,8 +2660,9 @@ 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 fa2eddf..adda2db 100644
+--- a/st.h
++++ b/st.h
+@@ -81,6 +81,8 @@ void die(const char *, ...);
+ void redraw(void);
+ void draw(void);
+
++void kscrolldown(const Arg *);
++void kscrollup(const Arg *);
+ void printscreen(const Arg *);
+ void printsel(const Arg *);
+ void sendbreak(const Arg *);
--- /dev/null
+From b5d3351a21442a842e01e8c0317603b6890b379c Mon Sep 17 00:00:00 2001
+Date: Thu, 27 Jan 2022 15:44:02 +0100
+Subject: [PATCH] st-scrollback-mouse
+
+---
+ config.def.h | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/config.def.h b/config.def.h
+index e3b469b..c217315 100644
+--- a/config.def.h
++++ b/config.def.h
+@@ -176,6 +176,8 @@ static uint forcemousemod = ShiftMask;
+ */
+ static MouseShortcut mshortcuts[] = {
+ /* mask button function argument release */
++ { ShiftMask, Button4, kscrollup, {.i = 1} },
++ { ShiftMask, Button5, kscrolldown, {.i = 1} },
+ { XK_ANY_MOD, Button2, selpaste, {.i = 0}, 1 },
+ { ShiftMask, Button4, ttysend, {.s = "\033[5;2~"} },
+ { XK_ANY_MOD, Button4, ttysend, {.s = "\031"} },
+--
+2.34.1
+
--- /dev/null
+From 580e3f386e9215707100e9ba44797701943fd927 Mon Sep 17 00:00:00 2001
+Date: Thu, 27 Jan 2022 15:49:27 +0100
+Subject: [PATCH] st-scrollback-mouse-altscreen
+
+---
+ config.def.h | 4 ++--
+ st.c | 5 +++++
+ st.h | 1 +
+ x.c | 2 ++
+ 4 files changed, 10 insertions(+), 2 deletions(-)
+
+diff --git a/config.def.h b/config.def.h
+index c217315..c223706 100644
+--- a/config.def.h
++++ b/config.def.h
+@@ -176,8 +176,8 @@ static uint forcemousemod = ShiftMask;
+ */
+ static MouseShortcut mshortcuts[] = {
+ /* mask button function argument release */
+- { ShiftMask, Button4, kscrollup, {.i = 1} },
+- { ShiftMask, Button5, kscrolldown, {.i = 1} },
++ { XK_ANY_MOD, Button4, kscrollup, {.i = 1}, 0, /* !alt */ -1 },
++ { XK_ANY_MOD, Button5, kscrolldown, {.i = 1}, 0, /* !alt */ -1 },
+ { XK_ANY_MOD, Button2, selpaste, {.i = 0}, 1 },
+ { ShiftMask, Button4, ttysend, {.s = "\033[5;2~"} },
+ { XK_ANY_MOD, Button4, ttysend, {.s = "\031"} },
+diff --git a/st.c b/st.c
+index f3af82b..876a6bf 100644
+--- a/st.c
++++ b/st.c
+@@ -1060,6 +1060,11 @@ tnew(int col, int row)
+ treset();
+ }
+
++int tisaltscr(void)
++{
++ return IS_SET(MODE_ALTSCREEN);
++}
++
+ void
+ tswapscreen(void)
+ {
+diff --git a/st.h b/st.h
+index da36b34..e95c6f8 100644
+--- a/st.h
++++ b/st.h
+@@ -89,6 +89,7 @@ void sendbreak(const Arg *);
+ void toggleprinter(const Arg *);
+
+ int tattrset(int);
++int tisaltscr(void);
+ void tnew(int, int);
+ void tresize(int, int);
+ void tsetdirtattr(int);
+diff --git a/x.c b/x.c
+index cd96575..9274556 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 {
+@@ -455,6 +456,7 @@ 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, state) || /* exact or forced */
+ match(ms->mod, state & ~forcemousemod))) {
+ ms->func(&(ms->arg));
+--
+2.34.1
+
#define ESC_ARG_SIZ 16
#define STR_BUF_SIZ ESC_BUF_SIZ
#define STR_ARG_SIZ ESC_ARG_SIZ
+#define HISTSIZE 2000
/* macros */
#define IS_SET(flag) ((term.mode & (flag)) != 0)
#define ISCONTROLC1(c) (BETWEEN(c, 0x80, 0x9f))
#define ISCONTROL(c) (ISCONTROLC0(c) || ISCONTROLC1(c))
#define ISDELIM(u) (u && wcschr(worddelimiters, u))
+#define TLINE(y) ((y) < term.scr ? term.hist[((y) + term.histi - \
+ term.scr + HISTSIZE + 1) % HISTSIZE] : \
+ term.line[(y) - term.scr])
enum term_mode {
MODE_WRAP = 1 << 0,
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 */
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(const int *, int);
static void tsetchar(Rune, const Glyph *, int, int);
static void tsetdirt(int, int);
{
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;
* 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;
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)))
*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;
}
}
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;
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);
treset();
}
+int tisaltscr(void)
+{
+ return IS_SET(MODE_ALTSCREEN);
+}
+
void
tswapscreen(void)
{
}
void
-tscrolldown(int orig, int n)
+kscrolldown(const Arg* a)
+{
+ int n = a->i;
+
+ if (n < 0)
+ n = (term.row + n) / 2;
+
+ 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) / 2;
+
+ 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);
term.line[i-n] = temp;
}
- selscroll(orig, n);
+ if (term.scr == 0)
+ selscroll(orig, 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;
+ }
+
+ if (term.scr > 0 && term.scr < HISTSIZE)
+ term.scr = MIN(term.scr + n, HISTSIZE-1);
+
tclearregion(0, orig, term.col-1, orig+n-1);
tsetdirt(orig+n, term.bot);
term.line[i+n] = temp;
}
- selscroll(orig, -n);
+ if (term.scr == 0)
+ selscroll(orig, -n);
}
void
int y = term.c.y;
if (y == term.bot) {
- tscrollup(term.top, 1);
+ tscrollup(term.top, 1, 1);
} else {
y++;
}
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
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);
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);
}
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);
}
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;
term.dirty = xrealloc(term.dirty, row * sizeof(*term.dirty));
term.tabs = xrealloc(term.tabs, col * sizeof(*term.tabs));
+ 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 row to new width, zero-pad if needed */
for (i = 0; i < minrow; i++) {
term.line[i] = xrealloc(term.line[i], col * sizeof(Glyph));
continue;
term.dirty[y] = 0;
- xdrawline(term.line[y], x1, y, x2);
+ xdrawline(TLINE(y), x1, y, x2);
}
}
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();
void redraw(void);
void draw(void);
+void kscrolldown(const Arg *);
+void kscrollup(const Arg *);
void printscreen(const Arg *);
void printsel(const Arg *);
void sendbreak(const Arg *);
void toggleprinter(const Arg *);
int tattrset(int);
+int tisaltscr(void);
void tnew(int, int);
void tresize(int, int);
void tsetdirtattr(int);
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 {
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, state) || /* exact or forced */
match(ms->mod, state & ~forcemousemod))) {
ms->func(&(ms->arg));