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123
config.def.h
View File

@ -5,7 +5,7 @@
* *
* font: see http://freedesktop.org/software/fontconfig/fontconfig-user.html * font: see http://freedesktop.org/software/fontconfig/fontconfig-user.html
*/ */
static char *font = "FiraCode Nerd Font Ret:size=10"; static char *font = "Liberation Mono:pixelsize=12:antialias=true:autohint=true";
static int borderpx = 2; static int borderpx = 2;
/* /*
@ -93,94 +93,46 @@ char *termname = "st-256color";
*/ */
unsigned int tabspaces = 8; unsigned int tabspaces = 8;
typedef struct { /* Terminal colors (16 first used in escape sequence) */
const char* const colors[260]; /* terminal colors */ static const char *colorname[] = {
unsigned int fg; /* foreground */ /* 8 normal colors */
unsigned int bg; /* background */ "black",
unsigned int cs; /* cursor */ "red3",
unsigned int rcs; /* reverse cursor */ "green3",
} ColorScheme; "yellow3",
/* "blue2",
* Terminal colors (16 first used in escape sequence, "magenta3",
* 2 last for custom cursor color), "cyan3",
* foreground, background, cursor, reverse cursor "gray90",
*/
static const ColorScheme schemes[] = {
// everforest-dark-hard
{{ "#414b50", "#e67e80", "#a7c080", "#dbbc7f",
"#7fbbb3", "#d699b6", "#83c092", "#d3c6aa",
"#475258", "#e67e80", "#a7c080", "#dbbc7f",
"#7fbbb3", "#d699b6", "#83c092", "#d3c6aa",
[256] = "#a7c080", "#555555", "#d3c6aa", "#272e33"}, 258, 259, 256, 257},
// everforest-light-hard /* 8 bright colors */
{{ "#5c6a72", "#f85552", "#8da101", "#dfa000", "gray50",
"#3a94c5", "#df69ba", "#35a77c", "#e8e5d5", "red",
"#5c6a72", "#f85552", "#8da101", "#dfa000", "green",
"#3a94c5", "#df69ba", "#35a77c", "#e8e5d5", "yellow",
[256] = "#35a77c", "#555555", "#5c6a72", "#fffbef"}, 258, 259, 256, 257}, "#5c5cff",
"magenta",
"cyan",
"white",
// tokyonight-storm [255] = 0,
{{"#1d202f", "#f7768e", "#9ece6a", "#e0af68",
"#7aa2f7", "#bb9af7", "#7dcfff", "#a9b1d6",
"#414868", "#f7768e", "#9ece6a", "#e0af68",
"#7aa2f7", "#bb9af7", "#7dcfff", "#c0caf5",
[256]="#81A1C1", "#555555", "#c0caf5", "#24283b"}, 258, 259, 256, 257},
// tokyonight-day /* more colors can be added after 255 to use with DefaultXX */
{{"#e9e9ed", "#f52a65", "#587539", "#8c6c3e", "#cccccc",
"#2e7de9", "#9854f1", "#007197", "#6172b0", "#555555",
"#a1a6c5", "#f52a65", "#587539", "#8c6c3e", "gray90", /* default foreground colour */
"#2e7de9", "#9854f1", "#007197", "#3760bf", "black", /* default background colour */
[256]="#3879C5", "#555555", "#3760bf", "#e1e2e7"}, 258, 259, 256, 257},
// One Half dark
{{"#282c34", "#e06c75", "#98c379", "#e5c07b",
"#61afef", "#c678dd", "#56b6c2", "#dcdfe4",
"#282c34", "#e06c75", "#98c379", "#e5c07b",
"#61afef", "#c678dd", "#56b6c2", "#dcdfe4",
[256]="#cccccc", "#555555", "black", "black"}, 7, 0, 256, 257},
// One Half light
{{"#fafafa", "#e45649", "#50a14f", "#c18401",
"#0184bc", "#a626a4", "#0997b3", "#383a42",
"#fafafa", "#e45649", "#50a14f", "#c18401",
"#0184bc", "#a626a4", "#0997b3", "#383a42",
[256]="#cccccc", "#555555", "black", "black"}, 7, 0, 256, 257},
// Solarized dark
{{"#073642", "#dc322f", "#859900", "#b58900",
"#268bd2", "#d33682", "#2aa198", "#eee8d5",
"#002b36", "#cb4b16", "#586e75", "#657b83",
"#839496", "#6c71c4", "#93a1a1", "#fdf6e3",
[256]="#93a1a1", "#fdf6e3", "black", "black"}, 12, 8, 256, 257},
// Solarized light
{{"#eee8d5", "#dc322f", "#859900", "#b58900",
"#268bd2", "#d33682", "#2aa198", "#073642",
"#fdf6e3", "#cb4b16", "#93a1a1", "#839496",
"#657b83", "#6c71c4", "#586e75", "#002b36",
[256]="#586e75", "#002b36", "black", "black"}, 12, 8, 256, 257},
// st (dark)
{{"black", "red3", "green3", "yellow3",
"blue2", "magenta3", "cyan3", "gray90",
"gray50", "red", "green", "yellow",
"#5c5cff", "magenta", "cyan", "white",
[256]="#cccccc", "#555555", "black", "black"}, 7, 0, 256, 257},
}; };
static const char * const * colorname;
int colorscheme = 0;
/* /*
* Default colors (colorname index) * Default colors (colorname index)
* foreground, background, cursor, reverse cursor * foreground, background, cursor, reverse cursor
*/ */
unsigned int defaultfg; unsigned int defaultfg = 258;
unsigned int defaultbg; unsigned int defaultbg = 259;
unsigned int defaultcs; unsigned int defaultcs = 256;
static unsigned int defaultrcs; static unsigned int defaultrcs = 257;
/* /*
* Default shape of cursor * Default shape of cursor
@ -249,19 +201,6 @@ static Shortcut shortcuts[] = {
{ TERMMOD, XK_Y, selpaste, {.i = 0} }, { TERMMOD, XK_Y, selpaste, {.i = 0} },
{ ShiftMask, XK_Insert, selpaste, {.i = 0} }, { ShiftMask, XK_Insert, selpaste, {.i = 0} },
{ TERMMOD, XK_Num_Lock, numlock, {.i = 0} }, { TERMMOD, XK_Num_Lock, numlock, {.i = 0} },
{ MODKEY, XK_F1, selectscheme, {.i = 0} },
{ MODKEY, XK_F2, selectscheme, {.i = 1} },
{ MODKEY, XK_F3, selectscheme, {.i = 2} },
{ MODKEY, XK_F4, selectscheme, {.i = 3} },
{ MODKEY, XK_F5, selectscheme, {.i = 4} },
{ MODKEY, XK_F6, selectscheme, {.i = 5} },
{ MODKEY, XK_F7, selectscheme, {.i = 6} },
{ MODKEY, XK_F8, selectscheme, {.i = 7} },
{ MODKEY, XK_F9, selectscheme, {.i = 8} },
{ MODKEY, XK_F10, nextscheme, {.i = +1} },
{ MODKEY|ControlMask, XK_F10, nextscheme, {.i = -1} },
{ ShiftMask, XK_Page_Up, kscrollup, {.i = -1} },
{ ShiftMask, XK_Page_Down, kscrolldown, {.i = -1} },
}; };
/* /*

383
st.c
View File

@ -43,10 +43,6 @@
#define ISCONTROL(c) (ISCONTROLC0(c) || ISCONTROLC1(c)) #define ISCONTROL(c) (ISCONTROLC0(c) || ISCONTROLC1(c))
#define ISDELIM(u) (u && wcschr(worddelimiters, u)) #define ISDELIM(u) (u && wcschr(worddelimiters, u))
#define TSCREEN term.screen[IS_SET(MODE_ALTSCREEN)]
#define TLINEOFFSET(y) (((y) + TSCREEN.cur - TSCREEN.off + TSCREEN.size) % TSCREEN.size)
#define TLINE(y) (TSCREEN.buffer[TLINEOFFSET(y)])
enum term_mode { enum term_mode {
MODE_WRAP = 1 << 0, MODE_WRAP = 1 << 0,
MODE_INSERT = 1 << 1, MODE_INSERT = 1 << 1,
@ -113,21 +109,12 @@ typedef struct {
int alt; int alt;
} Selection; } Selection;
/* Screen lines */
typedef struct {
Line* buffer; /* ring buffer */
int size; /* size of buffer */
int cur; /* start of active screen */
int off; /* scrollback line offset */
TCursor sc; /* saved cursor */
} LineBuffer;
/* Internal representation of the screen */ /* Internal representation of the screen */
typedef struct { typedef struct {
int row; /* nb row */ int row; /* nb row */
int col; /* nb col */ int col; /* nb col */
LineBuffer screen[2]; /* screen and alternate screen */ Line *line; /* screen */
int linelen; /* allocated line length */ Line *alt; /* alternate screen */
int *dirty; /* dirtyness of lines */ int *dirty; /* dirtyness of lines */
TCursor c; /* cursor */ TCursor c; /* cursor */
int ocx; /* old cursor col */ int ocx; /* old cursor col */
@ -216,8 +203,6 @@ static void tdeftran(char);
static void tstrsequence(uchar); static void tstrsequence(uchar);
static void drawregion(int, int, int, int); static void drawregion(int, int, int, int);
static void clearline(Line, Glyph, int, int);
static Line ensureline(Line);
static void selnormalize(void); static void selnormalize(void);
static void selscroll(int, int); static void selscroll(int, int);
@ -423,12 +408,11 @@ int
tlinelen(int y) tlinelen(int y)
{ {
int i = term.col; int i = term.col;
Line line = TLINE(y);
if (line[i - 1].mode & ATTR_WRAP) if (term.line[y][i - 1].mode & ATTR_WRAP)
return i; return i;
while (i > 0 && line[i - 1].u == ' ') while (i > 0 && term.line[y][i - 1].u == ' ')
--i; --i;
return i; return i;
@ -537,7 +521,7 @@ selsnap(int *x, int *y, int direction)
* Snap around if the word wraps around at the end or * Snap around if the word wraps around at the end or
* beginning of a line. * beginning of a line.
*/ */
prevgp = &TLINE(*y)[*x]; prevgp = &term.line[*y][*x];
prevdelim = ISDELIM(prevgp->u); prevdelim = ISDELIM(prevgp->u);
for (;;) { for (;;) {
newx = *x + direction; newx = *x + direction;
@ -552,14 +536,14 @@ selsnap(int *x, int *y, int direction)
yt = *y, xt = *x; yt = *y, xt = *x;
else else
yt = newy, xt = newx; yt = newy, xt = newx;
if (!(TLINE(yt)[xt].mode & ATTR_WRAP)) if (!(term.line[yt][xt].mode & ATTR_WRAP))
break; break;
} }
if (newx >= tlinelen(newy)) if (newx >= tlinelen(newy))
break; break;
gp = &TLINE(newy)[newx]; gp = &term.line[newy][newx];
delim = ISDELIM(gp->u); delim = ISDELIM(gp->u);
if (!(gp->mode & ATTR_WDUMMY) && (delim != prevdelim if (!(gp->mode & ATTR_WDUMMY) && (delim != prevdelim
|| (delim && gp->u != prevgp->u))) || (delim && gp->u != prevgp->u)))
@ -580,14 +564,14 @@ selsnap(int *x, int *y, int direction)
*x = (direction < 0) ? 0 : term.col - 1; *x = (direction < 0) ? 0 : term.col - 1;
if (direction < 0) { if (direction < 0) {
for (; *y > 0; *y += direction) { for (; *y > 0; *y += direction) {
if (!(TLINE(*y-1)[term.col-1].mode if (!(term.line[*y-1][term.col-1].mode
& ATTR_WRAP)) { & ATTR_WRAP)) {
break; break;
} }
} }
} else if (direction > 0) { } else if (direction > 0) {
for (; *y < term.row-1; *y += direction) { for (; *y < term.row-1; *y += direction) {
if (!(TLINE(*y)[term.col-1].mode if (!(term.line[*y][term.col-1].mode
& ATTR_WRAP)) { & ATTR_WRAP)) {
break; break;
} }
@ -618,13 +602,13 @@ getsel(void)
} }
if (sel.type == SEL_RECTANGULAR) { if (sel.type == SEL_RECTANGULAR) {
gp = &TLINE(y)[sel.nb.x]; gp = &term.line[y][sel.nb.x];
lastx = sel.ne.x; lastx = sel.ne.x;
} else { } else {
gp = &TLINE(y)[sel.nb.y == y ? sel.nb.x : 0]; gp = &term.line[y][sel.nb.y == y ? sel.nb.x : 0];
lastx = (sel.ne.y == y) ? sel.ne.x : term.col-1; lastx = (sel.ne.y == y) ? sel.ne.x : term.col-1;
} }
last = &TLINE(y)[MIN(lastx, linelen-1)]; last = &term.line[y][MIN(lastx, linelen-1)];
while (last >= gp && last->u == ' ') while (last >= gp && last->u == ' ')
--last; --last;
@ -965,15 +949,12 @@ int
tattrset(int attr) tattrset(int attr)
{ {
int i, j; int i, j;
int y = TLINEOFFSET(0);
for (i = 0; i < term.row-1; i++) { for (i = 0; i < term.row-1; i++) {
Line line = TSCREEN.buffer[y];
for (j = 0; j < term.col-1; j++) { for (j = 0; j < term.col-1; j++) {
if (line[j].mode & attr) if (term.line[i][j].mode & attr)
return 1; return 1;
} }
y = (y+1) % TSCREEN.size;
} }
return 0; return 0;
@ -995,17 +976,14 @@ void
tsetdirtattr(int attr) tsetdirtattr(int attr)
{ {
int i, j; int i, j;
int y = TLINEOFFSET(0);
for (i = 0; i < term.row-1; i++) { for (i = 0; i < term.row-1; i++) {
Line line = TSCREEN.buffer[y];
for (j = 0; j < term.col-1; j++) { for (j = 0; j < term.col-1; j++) {
if (line[j].mode & attr) { if (term.line[i][j].mode & attr) {
tsetdirt(i, i); tsetdirt(i, i);
break; break;
} }
} }
y = (y+1) % TSCREEN.size;
} }
} }
@ -1018,19 +996,27 @@ tfulldirt(void)
void void
tcursor(int mode) tcursor(int mode)
{ {
static TCursor c[2];
int alt = IS_SET(MODE_ALTSCREEN);
if (mode == CURSOR_SAVE) { if (mode == CURSOR_SAVE) {
TSCREEN.sc = term.c; c[alt] = term.c;
} else if (mode == CURSOR_LOAD) { } else if (mode == CURSOR_LOAD) {
term.c = TSCREEN.sc; term.c = c[alt];
tmoveto(term.c.x, term.c.y); tmoveto(c[alt].x, c[alt].y);
} }
} }
void void
treset(void) treset(void)
{ {
int i, j; uint i;
Glyph g = (Glyph){ .fg = defaultfg, .bg = defaultbg};
term.c = (TCursor){{
.mode = ATTR_NULL,
.fg = defaultfg,
.bg = defaultbg
}, .x = 0, .y = 0, .state = CURSOR_DEFAULT};
memset(term.tabs, 0, term.col * sizeof(*term.tabs)); memset(term.tabs, 0, term.col * sizeof(*term.tabs));
for (i = tabspaces; i < term.col; i += tabspaces) for (i = tabspaces; i < term.col; i += tabspaces)
@ -1042,37 +1028,17 @@ treset(void)
term.charset = 0; term.charset = 0;
for (i = 0; i < 2; i++) { for (i = 0; i < 2; i++) {
term.screen[i].sc = (TCursor){{ tmoveto(0, 0);
.fg = defaultfg, tcursor(CURSOR_SAVE);
.bg = defaultbg tclearregion(0, 0, term.col-1, term.row-1);
}}; tswapscreen();
term.screen[i].cur = 0;
term.screen[i].off = 0;
for (j = 0; j < term.row; ++j) {
if (term.col != term.linelen)
term.screen[i].buffer[j] = xrealloc(term.screen[i].buffer[j], term.col * sizeof(Glyph));
clearline(term.screen[i].buffer[j], g, 0, term.col);
} }
for (j = term.row; j < term.screen[i].size; ++j) {
free(term.screen[i].buffer[j]);
term.screen[i].buffer[j] = NULL;
}
}
tcursor(CURSOR_LOAD);
term.linelen = term.col;
tfulldirt();
} }
void void
tnew(int col, int row) tnew(int col, int row)
{ {
int i; term = (Term){ .c = { .attr = { .fg = defaultfg, .bg = defaultbg } } };
term = (Term){};
term.screen[0].buffer = xmalloc(HISTSIZE * sizeof(Line));
term.screen[0].size = HISTSIZE;
term.screen[1].buffer = NULL;
for (i = 0; i < HISTSIZE; ++i) term.screen[0].buffer[i] = NULL;
tresize(col, row); tresize(col, row);
treset(); treset();
} }
@ -1080,42 +1046,14 @@ tnew(int col, int row)
void void
tswapscreen(void) tswapscreen(void)
{ {
Line *tmp = term.line;
term.line = term.alt;
term.alt = tmp;
term.mode ^= MODE_ALTSCREEN; term.mode ^= MODE_ALTSCREEN;
tfulldirt(); tfulldirt();
} }
void
kscrollup(const Arg *a)
{
int n = a->i;
if (IS_SET(MODE_ALTSCREEN))
return;
if (n < 0) n = (-n) * term.row;
if (n > TSCREEN.size - term.row - TSCREEN.off) n = TSCREEN.size - term.row - TSCREEN.off;
while (!TLINE(-n)) --n;
TSCREEN.off += n;
selscroll(0, n);
tfulldirt();
}
void
kscrolldown(const Arg *a)
{
int n = a->i;
if (IS_SET(MODE_ALTSCREEN))
return;
if (n < 0) n = (-n) * term.row;
if (n > TSCREEN.off) n = TSCREEN.off;
TSCREEN.off -= n;
selscroll(0, -n);
tfulldirt();
}
void void
tscrolldown(int orig, int n) tscrolldown(int orig, int n)
{ {
@ -1124,29 +1062,15 @@ tscrolldown(int orig, int n)
LIMIT(n, 0, term.bot-orig+1); LIMIT(n, 0, term.bot-orig+1);
/* Ensure that lines are allocated */ tsetdirt(orig, term.bot-n);
for (i = -n; i < 0; i++) { tclearregion(0, term.bot-n+1, term.col-1, term.bot);
TLINE(i) = ensureline(TLINE(i));
for (i = term.bot; i >= orig+n; i--) {
temp = term.line[i];
term.line[i] = term.line[i-n];
term.line[i-n] = temp;
} }
/* Shift non-scrolling areas in ring buffer */
for (i = term.bot+1; i < term.row; i++) {
temp = TLINE(i);
TLINE(i) = TLINE(i-n);
TLINE(i-n) = temp;
}
for (i = 0; i < orig; i++) {
temp = TLINE(i);
TLINE(i) = TLINE(i-n);
TLINE(i-n) = temp;
}
/* Scroll buffer */
TSCREEN.cur = (TSCREEN.cur + TSCREEN.size - n) % TSCREEN.size;
/* Clear lines that have entered the view */
tclearregion(0, orig, term.linelen-1, orig+n-1);
/* Redraw portion of the screen that has scrolled */
tsetdirt(orig+n-1, term.bot);
selscroll(orig, n); selscroll(orig, n);
} }
@ -1158,29 +1082,15 @@ tscrollup(int orig, int n)
LIMIT(n, 0, term.bot-orig+1); LIMIT(n, 0, term.bot-orig+1);
/* Ensure that lines are allocated */ tclearregion(0, orig, term.col-1, orig+n-1);
for (i = term.row; i < term.row + n; i++) { tsetdirt(orig+n, term.bot);
TLINE(i) = ensureline(TLINE(i));
for (i = orig; i <= term.bot-n; i++) {
temp = term.line[i];
term.line[i] = term.line[i+n];
term.line[i+n] = temp;
} }
/* Shift non-scrolling areas in ring buffer */
for (i = orig-1; i >= 0; i--) {
temp = TLINE(i);
TLINE(i) = TLINE(i+n);
TLINE(i+n) = temp;
}
for (i = term.row-1; i >term.bot; i--) {
temp = TLINE(i);
TLINE(i) = TLINE(i+n);
TLINE(i+n) = temp;
}
/* Scroll buffer */
TSCREEN.cur = (TSCREEN.cur + n) % TSCREEN.size;
/* Clear lines that have entered the view */
tclearregion(0, term.bot-n+1, term.linelen-1, term.bot);
/* Redraw portion of the screen that has scrolled */
tsetdirt(orig, term.bot-n+1);
selscroll(orig, -n); selscroll(orig, -n);
} }
@ -1284,7 +1194,6 @@ tsetchar(Rune u, const Glyph *attr, int x, int y)
"⎻", "─", "⎼", "⎽", "├", "┤", "┴", "┬", /* p - w */ "⎻", "─", "⎼", "⎽", "├", "┤", "┴", "┬", /* p - w */
"│", "≤", "≥", "π", "≠", "£", "·", /* x - ~ */ "│", "≤", "≥", "π", "≠", "£", "·", /* x - ~ */
}; };
Line line = TLINE(y);
/* /*
* The table is proudly stolen from rxvt. * The table is proudly stolen from rxvt.
@ -1293,25 +1202,25 @@ tsetchar(Rune u, const Glyph *attr, int x, int y)
BETWEEN(u, 0x41, 0x7e) && vt100_0[u - 0x41]) BETWEEN(u, 0x41, 0x7e) && vt100_0[u - 0x41])
utf8decode(vt100_0[u - 0x41], &u, UTF_SIZ); utf8decode(vt100_0[u - 0x41], &u, UTF_SIZ);
if (line[x].mode & ATTR_WIDE) { if (term.line[y][x].mode & ATTR_WIDE) {
if (x+1 < term.col) { if (x+1 < term.col) {
line[x+1].u = ' '; term.line[y][x+1].u = ' ';
line[x+1].mode &= ~ATTR_WDUMMY; term.line[y][x+1].mode &= ~ATTR_WDUMMY;
} }
} else if (line[x].mode & ATTR_WDUMMY) { } else if (term.line[y][x].mode & ATTR_WDUMMY) {
line[x-1].u = ' '; term.line[y][x-1].u = ' ';
line[x-1].mode &= ~ATTR_WIDE; term.line[y][x-1].mode &= ~ATTR_WIDE;
} }
term.dirty[y] = 1; term.dirty[y] = 1;
line[x] = *attr; term.line[y][x] = *attr;
line[x].u = u; term.line[y][x].u = u;
} }
void void
tclearregion(int x1, int y1, int x2, int y2) tclearregion(int x1, int y1, int x2, int y2)
{ {
int x, y, L, S, temp; int x, y, temp;
Glyph *gp; Glyph *gp;
if (x1 > x2) if (x1 > x2)
@ -1319,16 +1228,15 @@ tclearregion(int x1, int y1, int x2, int y2)
if (y1 > y2) if (y1 > y2)
temp = y1, y1 = y2, y2 = temp; temp = y1, y1 = y2, y2 = temp;
LIMIT(x1, 0, term.linelen-1); LIMIT(x1, 0, term.col-1);
LIMIT(x2, 0, term.linelen-1); LIMIT(x2, 0, term.col-1);
LIMIT(y1, 0, term.row-1); LIMIT(y1, 0, term.row-1);
LIMIT(y2, 0, term.row-1); LIMIT(y2, 0, term.row-1);
L = TLINEOFFSET(y1);
for (y = y1; y <= y2; y++) { for (y = y1; y <= y2; y++) {
term.dirty[y] = 1; term.dirty[y] = 1;
for (x = x1; x <= x2; x++) { for (x = x1; x <= x2; x++) {
gp = &TSCREEN.buffer[L][x]; gp = &term.line[y][x];
if (selected(x, y)) if (selected(x, y))
selclear(); selclear();
gp->fg = term.c.attr.fg; gp->fg = term.c.attr.fg;
@ -1336,7 +1244,6 @@ tclearregion(int x1, int y1, int x2, int y2)
gp->mode = 0; gp->mode = 0;
gp->u = ' '; gp->u = ' ';
} }
L = (L + 1) % TSCREEN.size;
} }
} }
@ -1351,7 +1258,7 @@ tdeletechar(int n)
dst = term.c.x; dst = term.c.x;
src = term.c.x + n; src = term.c.x + n;
size = term.col - src; size = term.col - src;
line = TLINE(term.c.y); line = term.line[term.c.y];
memmove(&line[dst], &line[src], size * sizeof(Glyph)); memmove(&line[dst], &line[src], size * sizeof(Glyph));
tclearregion(term.col-n, term.c.y, term.col-1, term.c.y); tclearregion(term.col-n, term.c.y, term.col-1, term.c.y);
@ -1368,7 +1275,7 @@ tinsertblank(int n)
dst = term.c.x + n; dst = term.c.x + n;
src = term.c.x; src = term.c.x;
size = term.col - dst; size = term.col - dst;
line = TLINE(term.c.y); line = term.line[term.c.y];
memmove(&line[dst], &line[src], size * sizeof(Glyph)); memmove(&line[dst], &line[src], size * sizeof(Glyph));
tclearregion(src, term.c.y, dst - 1, term.c.y); tclearregion(src, term.c.y, dst - 1, term.c.y);
@ -2171,7 +2078,7 @@ tdumpline(int n)
char buf[UTF_SIZ]; char buf[UTF_SIZ];
const Glyph *bp, *end; const Glyph *bp, *end;
bp = &TLINE(n)[0]; bp = &term.line[n][0];
end = &bp[MIN(tlinelen(n), term.col) - 1]; end = &bp[MIN(tlinelen(n), term.col) - 1];
if (bp != end || bp->u != ' ') { if (bp != end || bp->u != ' ') {
for ( ; bp <= end; ++bp) for ( ; bp <= end; ++bp)
@ -2264,28 +2171,6 @@ tstrsequence(uchar c)
term.esc |= ESC_STR; term.esc |= ESC_STR;
} }
void
tupdatebgcolor(int oldbg, int newbg)
{
for (int y = 0; y < term.row; y++) {
for (int x = 0; x < term.col; x++) {
if (TLINE(y)[x].bg == oldbg)
TLINE(y)[x].bg = newbg;
}
}
}
void
tupdatefgcolor(int oldfg, int newfg)
{
for (int y = 0; y < term.row; y++) {
for (int x = 0; x < term.col; x++) {
if (TLINE(y)[x].fg == oldfg)
TLINE(y)[x].fg = newfg;
}
}
}
void void
tcontrolcode(uchar ascii) tcontrolcode(uchar ascii)
{ {
@ -2579,11 +2464,11 @@ check_control_code:
if (selected(term.c.x, term.c.y)) if (selected(term.c.x, term.c.y))
selclear(); selclear();
gp = &TLINE(term.c.y)[term.c.x]; gp = &term.line[term.c.y][term.c.x];
if (IS_SET(MODE_WRAP) && (term.c.state & CURSOR_WRAPNEXT)) { if (IS_SET(MODE_WRAP) && (term.c.state & CURSOR_WRAPNEXT)) {
gp->mode |= ATTR_WRAP; gp->mode |= ATTR_WRAP;
tnewline(1); tnewline(1);
gp = &TLINE(term.c.y)[term.c.x]; gp = &term.line[term.c.y][term.c.x];
} }
if (IS_SET(MODE_INSERT) && term.c.x+width < term.col) { if (IS_SET(MODE_INSERT) && term.c.x+width < term.col) {
@ -2593,7 +2478,7 @@ check_control_code:
if (term.c.x+width > term.col) { if (term.c.x+width > term.col) {
tnewline(1); tnewline(1);
gp = &TLINE(term.c.y)[term.c.x]; gp = &term.line[term.c.y][term.c.x];
} }
tsetchar(u, &term.c.attr, term.c.x, term.c.y); tsetchar(u, &term.c.attr, term.c.x, term.c.y);
@ -2624,11 +2509,6 @@ twrite(const char *buf, int buflen, int show_ctrl)
Rune u; Rune u;
int n; int n;
if (TSCREEN.off) {
TSCREEN.off = 0;
tfulldirt();
}
for (n = 0; n < buflen; n += charsize) { for (n = 0; n < buflen; n += charsize) {
if (IS_SET(MODE_UTF8)) { if (IS_SET(MODE_UTF8)) {
/* process a complete utf8 char */ /* process a complete utf8 char */
@ -2654,86 +2534,57 @@ twrite(const char *buf, int buflen, int show_ctrl)
return n; return n;
} }
void
clearline(Line line, Glyph g, int x, int xend)
{
int i;
g.mode = 0;
g.u = ' ';
for (i = x; i < xend; ++i) {
line[i] = g;
}
}
Line
ensureline(Line line)
{
if (!line) {
line = xmalloc(term.linelen * sizeof(Glyph));
}
return line;
}
void void
tresize(int col, int row) tresize(int col, int row)
{ {
int i, j; int i;
int minrow = MIN(row, term.row); int minrow = MIN(row, term.row);
int mincol = MIN(col, term.col); int mincol = MIN(col, term.col);
int linelen = MAX(col, term.linelen);
int *bp; int *bp;
TCursor c;
if (col < 1 || row < 1 || row > HISTSIZE) { if (col < 1 || row < 1) {
fprintf(stderr, fprintf(stderr,
"tresize: error resizing to %dx%d\n", col, row); "tresize: error resizing to %dx%d\n", col, row);
return; return;
} }
/* Shift buffer to keep the cursor where we expect it */ /*
if (row <= term.c.y) { * slide screen to keep cursor where we expect it -
term.screen[0].cur = (term.screen[0].cur - row + term.c.y + 1) % term.screen[0].size; * tscrollup would work here, but we can optimize to
* memmove because we're freeing the earlier lines
*/
for (i = 0; i <= term.c.y - row; i++) {
free(term.line[i]);
free(term.alt[i]);
} }
/* ensure that both src and dst are not NULL */
/* Resize and clear line buffers as needed */ if (i > 0) {
if (linelen > term.linelen) { memmove(term.line, term.line + i, row * sizeof(Line));
for (i = 0; i < term.screen[0].size; ++i) { memmove(term.alt, term.alt + i, row * sizeof(Line));
if (term.screen[0].buffer[i]) {
term.screen[0].buffer[i] = xrealloc(term.screen[0].buffer[i], linelen * sizeof(Glyph));
clearline(term.screen[0].buffer[i], term.c.attr, term.linelen, linelen);
} }
} for (i += row; i < term.row; i++) {
for (i = 0; i < minrow; ++i) { free(term.line[i]);
term.screen[1].buffer[i] = xrealloc(term.screen[1].buffer[i], linelen * sizeof(Glyph)); free(term.alt[i]);
clearline(term.screen[1].buffer[i], term.c.attr, term.linelen, linelen);
}
}
/* Allocate all visible lines for regular line buffer */
for (j = term.screen[0].cur, i = 0; i < row; ++i, j = (j + 1) % term.screen[0].size)
{
if (!term.screen[0].buffer[j]) {
term.screen[0].buffer[j] = xmalloc(linelen * sizeof(Glyph));
}
if (i >= term.row) {
clearline(term.screen[0].buffer[j], term.c.attr, 0, linelen);
}
}
/* Resize alt screen */
term.screen[1].cur = 0;
term.screen[1].size = row;
for (i = row; i < term.row; ++i) {
free(term.screen[1].buffer[i]);
}
term.screen[1].buffer = xrealloc(term.screen[1].buffer, row * sizeof(Line));
for (i = term.row; i < row; ++i) {
term.screen[1].buffer[i] = xmalloc(linelen * sizeof(Glyph));
clearline(term.screen[1].buffer[i], term.c.attr, 0, linelen);
} }
/* resize to new height */ /* resize to new height */
term.line = xrealloc(term.line, row * sizeof(Line));
term.alt = xrealloc(term.alt, row * sizeof(Line));
term.dirty = xrealloc(term.dirty, row * sizeof(*term.dirty)); term.dirty = xrealloc(term.dirty, row * sizeof(*term.dirty));
term.tabs = xrealloc(term.tabs, col * sizeof(*term.tabs)); term.tabs = xrealloc(term.tabs, col * sizeof(*term.tabs));
/* fix tabstops */ /* 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));
term.alt[i] = xrealloc(term.alt[i], col * sizeof(Glyph));
}
/* allocate any new rows */
for (/* i = minrow */; i < row; i++) {
term.line[i] = xmalloc(col * sizeof(Glyph));
term.alt[i] = xmalloc(col * sizeof(Glyph));
}
if (col > term.col) { if (col > term.col) {
bp = term.tabs + term.col; bp = term.tabs + term.col;
@ -2743,16 +2594,26 @@ tresize(int col, int row)
for (bp += tabspaces; bp < term.tabs + col; bp += tabspaces) for (bp += tabspaces; bp < term.tabs + col; bp += tabspaces)
*bp = 1; *bp = 1;
} }
/* update terminal size */ /* update terminal size */
term.col = col; term.col = col;
term.row = row; term.row = row;
term.linelen = linelen;
/* reset scrolling region */ /* reset scrolling region */
tsetscroll(0, row-1); tsetscroll(0, row-1);
/* make use of the LIMIT in tmoveto */ /* make use of the LIMIT in tmoveto */
tmoveto(term.c.x, term.c.y); tmoveto(term.c.x, term.c.y);
tfulldirt(); /* Clearing both screens (it makes dirty all lines) */
c = term.c;
for (i = 0; i < 2; i++) {
if (mincol < col && 0 < minrow) {
tclearregion(mincol, 0, col - 1, minrow - 1);
}
if (0 < col && minrow < row) {
tclearregion(0, minrow, col - 1, row - 1);
}
tswapscreen();
tcursor(CURSOR_LOAD);
}
term.c = c;
} }
void void
@ -2764,15 +2625,14 @@ resettitle(void)
void void
drawregion(int x1, int y1, int x2, int y2) drawregion(int x1, int y1, int x2, int y2)
{ {
int y, L; int y;
L = TLINEOFFSET(y1);
for (y = y1; y < y2; y++) { for (y = y1; y < y2; y++) {
if (term.dirty[y]) { if (!term.dirty[y])
continue;
term.dirty[y] = 0; term.dirty[y] = 0;
xdrawline(TSCREEN.buffer[L], x1, y, x2); xdrawline(term.line[y], x1, y, x2);
}
L = (L + 1) % TSCREEN.size;
} }
} }
@ -2787,15 +2647,14 @@ draw(void)
/* adjust cursor position */ /* adjust cursor position */
LIMIT(term.ocx, 0, term.col-1); LIMIT(term.ocx, 0, term.col-1);
LIMIT(term.ocy, 0, term.row-1); LIMIT(term.ocy, 0, term.row-1);
if (TLINE(term.ocy)[term.ocx].mode & ATTR_WDUMMY) if (term.line[term.ocy][term.ocx].mode & ATTR_WDUMMY)
term.ocx--; term.ocx--;
if (TLINE(term.c.y)[cx].mode & ATTR_WDUMMY) if (term.line[term.c.y][cx].mode & ATTR_WDUMMY)
cx--; cx--;
drawregion(0, 0, term.col, term.row); drawregion(0, 0, term.col, term.row);
if (TSCREEN.off == 0) xdrawcursor(cx, term.c.y, term.line[term.c.y][cx],
xdrawcursor(cx, term.c.y, TLINE(term.c.y)[cx], term.ocx, term.ocy, term.line[term.ocy][term.ocx]);
term.ocx, term.ocy, TLINE(term.ocy)[term.ocx]);
term.ocx = cx; term.ocx = cx;
term.ocy = term.c.y; term.ocy = term.c.y;
xfinishdraw(); xfinishdraw();

9
st.h
View File

@ -19,7 +19,6 @@
#define TRUECOLOR(r,g,b) (1 << 24 | (r) << 16 | (g) << 8 | (b)) #define TRUECOLOR(r,g,b) (1 << 24 | (r) << 16 | (g) << 8 | (b))
#define IS_TRUECOL(x) (1 << 24 & (x)) #define IS_TRUECOL(x) (1 << 24 & (x))
#define HISTSIZE 2000
enum glyph_attribute { enum glyph_attribute {
ATTR_NULL = 0, ATTR_NULL = 0,
@ -37,12 +36,6 @@ enum glyph_attribute {
ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT, ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT,
}; };
enum drawing_mode {
DRAW_NONE = 0,
DRAW_BG = 1 << 0,
DRAW_FG = 1 << 1,
};
enum selection_mode { enum selection_mode {
SEL_IDLE = 0, SEL_IDLE = 0,
SEL_EMPTY = 1, SEL_EMPTY = 1,
@ -97,8 +90,6 @@ int tattrset(int);
void tnew(int, int); void tnew(int, int);
void tresize(int, int); void tresize(int, int);
void tsetdirtattr(int); void tsetdirtattr(int);
void tupdatebgcolor(int, int);
void tupdatefgcolor(int, int);
void ttyhangup(void); void ttyhangup(void);
int ttynew(const char *, char *, const char *, char **); int ttynew(const char *, char *, const char *, char **);
size_t ttyread(void); size_t ttyread(void);

100
x.c
View File

@ -59,10 +59,6 @@ static void zoom(const Arg *);
static void zoomabs(const Arg *); static void zoomabs(const Arg *);
static void zoomreset(const Arg *); static void zoomreset(const Arg *);
static void ttysend(const Arg *); static void ttysend(const Arg *);
static void nextscheme(const Arg *);
static void selectscheme(const Arg *);
void kscrollup(const Arg *);
void kscrolldown(const Arg *);
/* config.h for applying patches and the configuration. */ /* config.h for applying patches and the configuration. */
#include "config.h" #include "config.h"
@ -146,7 +142,7 @@ typedef struct {
static inline ushort sixd_to_16bit(int); static inline ushort sixd_to_16bit(int);
static int xmakeglyphfontspecs(XftGlyphFontSpec *, const Glyph *, int, int, int); static int xmakeglyphfontspecs(XftGlyphFontSpec *, const Glyph *, int, int, int);
static void xdrawglyphfontspecs(const XftGlyphFontSpec *, Glyph, int, int, int, int); static void xdrawglyphfontspecs(const XftGlyphFontSpec *, Glyph, int, int, int);
static void xdrawglyph(Glyph, int, int); static void xdrawglyph(Glyph, int, int);
static void xclear(int, int, int, int); static void xclear(int, int, int, int);
static int xgeommasktogravity(int); static int xgeommasktogravity(int);
@ -189,7 +185,6 @@ static void mousesel(XEvent *, int);
static void mousereport(XEvent *); static void mousereport(XEvent *);
static char *kmap(KeySym, uint); static char *kmap(KeySym, uint);
static int match(uint, uint); static int match(uint, uint);
static void updatescheme(void);
static void run(void); static void run(void);
static void usage(void); static void usage(void);
@ -806,7 +801,7 @@ xloadcols(void)
for (cp = dc.col; cp < &dc.col[dc.collen]; ++cp) for (cp = dc.col; cp < &dc.col[dc.collen]; ++cp)
XftColorFree(xw.dpy, xw.vis, xw.cmap, cp); XftColorFree(xw.dpy, xw.vis, xw.cmap, cp);
} else { } else {
dc.collen = 260; dc.collen = MAX(LEN(colorname), 256);
dc.col = xmalloc(dc.collen * sizeof(Color)); dc.col = xmalloc(dc.collen * sizeof(Color));
} }
@ -1377,7 +1372,7 @@ xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x
} }
void void
xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y, int dmode) xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y)
{ {
int charlen = len * ((base.mode & ATTR_WIDE) ? 2 : 1); int charlen = len * ((base.mode & ATTR_WIDE) ? 2 : 1);
int winx = borderpx + x * win.cw, winy = borderpx + y * win.ch, int winx = borderpx + x * win.cw, winy = borderpx + y * win.ch,
@ -1468,7 +1463,6 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i
if (base.mode & ATTR_INVISIBLE) if (base.mode & ATTR_INVISIBLE)
fg = bg; fg = bg;
if (dmode & DRAW_BG) {
/* Intelligent cleaning up of the borders. */ /* Intelligent cleaning up of the borders. */
if (x == 0) { if (x == 0) {
xclear(0, (y == 0)? 0 : winy, borderpx, xclear(0, (y == 0)? 0 : winy, borderpx,
@ -1483,25 +1477,33 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i
xclear(winx, 0, winx + width, borderpx); xclear(winx, 0, winx + width, borderpx);
if (winy + win.ch >= borderpx + win.th) if (winy + win.ch >= borderpx + win.th)
xclear(winx, winy + win.ch, winx + width, win.h); xclear(winx, winy + win.ch, winx + width, win.h);
/* Fill the background */
XftDrawRect(xw.draw, bg, winx, winy, width, win.ch);
}
if (dmode & DRAW_FG) { /* Clean up the region we want to draw to. */
XftDrawRect(xw.draw, bg, winx, winy, width, win.ch);
/* Set the clip region because Xft is sometimes dirty. */
r.x = 0;
r.y = 0;
r.height = win.ch;
r.width = width;
XftDrawSetClipRectangles(xw.draw, winx, winy, &r, 1);
/* Render the glyphs. */ /* Render the glyphs. */
XftDrawGlyphFontSpec(xw.draw, fg, specs, len); XftDrawGlyphFontSpec(xw.draw, fg, specs, len);
/* Render underline and strikethrough. */ /* Render underline and strikethrough. */
if (base.mode & ATTR_UNDERLINE) { if (base.mode & ATTR_UNDERLINE) {
XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent + 1, XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent * chscale + 1,
width, 1); width, 1);
} }
if (base.mode & ATTR_STRUCK) { if (base.mode & ATTR_STRUCK) {
XftDrawRect(xw.draw, fg, winx, winy + 2 * dc.font.ascent / 3, XftDrawRect(xw.draw, fg, winx, winy + 2 * dc.font.ascent * chscale / 3,
width, 1); width, 1);
} }
}
/* Reset clip to none. */
XftDrawSetClip(xw.draw, 0);
} }
void void
@ -1511,7 +1513,7 @@ xdrawglyph(Glyph g, int x, int y)
XftGlyphFontSpec spec; XftGlyphFontSpec spec;
numspecs = xmakeglyphfontspecs(&spec, &g, 1, x, y); numspecs = xmakeglyphfontspecs(&spec, &g, 1, x, y);
xdrawglyphfontspecs(&spec, g, numspecs, x, y, DRAW_BG | DRAW_FG); xdrawglyphfontspecs(&spec, g, numspecs, x, y);
} }
void void
@ -1646,17 +1648,11 @@ xstartdraw(void)
void void
xdrawline(Line line, int x1, int y1, int x2) xdrawline(Line line, int x1, int y1, int x2)
{ {
int i, x, ox, numspecs, numspecs_cached; int i, x, ox, numspecs;
Glyph base, new; Glyph base, new;
XftGlyphFontSpec *specs; XftGlyphFontSpec *specs = xw.specbuf;
numspecs_cached = xmakeglyphfontspecs(xw.specbuf, &line[x1], x2 - x1, x1, y1); numspecs = xmakeglyphfontspecs(specs, &line[x1], x2 - x1, x1, y1);
/* Draw line in 2 passes: background and foreground. This way wide glyphs
won't get truncated (#223) */
for (int dmode = DRAW_BG; dmode <= DRAW_FG; dmode <<= 1) {
specs = xw.specbuf;
numspecs = numspecs_cached;
i = ox = 0; i = ox = 0;
for (x = x1; x < x2 && i < numspecs; x++) { for (x = x1; x < x2 && i < numspecs; x++) {
new = line[x]; new = line[x];
@ -1665,7 +1661,7 @@ xdrawline(Line line, int x1, int y1, int x2)
if (selected(x, y1)) if (selected(x, y1))
new.mode ^= ATTR_REVERSE; new.mode ^= ATTR_REVERSE;
if (i > 0 && ATTRCMP(base, new)) { if (i > 0 && ATTRCMP(base, new)) {
xdrawglyphfontspecs(specs, base, i, ox, y1, dmode); xdrawglyphfontspecs(specs, base, i, ox, y1);
specs += i; specs += i;
numspecs -= i; numspecs -= i;
i = 0; i = 0;
@ -1677,8 +1673,7 @@ xdrawline(Line line, int x1, int y1, int x2)
i++; i++;
} }
if (i > 0) if (i > 0)
xdrawglyphfontspecs(specs, base, i, ox, y1, dmode); xdrawglyphfontspecs(specs, base, i, ox, y1);
}
} }
void void
@ -2032,47 +2027,6 @@ usage(void)
" [stty_args ...]\n", argv0, argv0); " [stty_args ...]\n", argv0, argv0);
} }
void
nextscheme(const Arg *arg)
{
colorscheme += arg->i;
if (colorscheme >= (int)LEN(schemes))
colorscheme = 0;
else if (colorscheme < 0)
colorscheme = LEN(schemes) - 1;
updatescheme();
}
void
selectscheme(const Arg *arg)
{
if (BETWEEN(arg->i, 0, LEN(schemes)-1)) {
colorscheme = arg->i;
updatescheme();
}
}
void
updatescheme(void)
{
int oldbg, oldfg;
oldbg = defaultbg;
oldfg = defaultfg;
colorname = schemes[colorscheme].colors;
defaultbg = schemes[colorscheme].bg;
defaultfg = schemes[colorscheme].fg;
defaultcs = schemes[colorscheme].cs;
defaultrcs = schemes[colorscheme].rcs;
xloadcols();
if (defaultbg != oldbg)
tupdatebgcolor(oldbg, defaultbg);
if (defaultfg != oldfg)
tupdatefgcolor(oldfg, defaultfg);
cresize(win.w, win.h);
redraw();
}
int int
main(int argc, char *argv[]) main(int argc, char *argv[])
{ {
@ -2125,12 +2079,6 @@ main(int argc, char *argv[])
} ARGEND; } ARGEND;
run: run:
colorname = schemes[colorscheme].colors;
defaultbg = schemes[colorscheme].bg;
defaultfg = schemes[colorscheme].fg;
defaultcs = schemes[colorscheme].cs;
defaultrcs = schemes[colorscheme].rcs;
if (argc > 0) /* eat all remaining arguments */ if (argc > 0) /* eat all remaining arguments */
opt_cmd = argv; opt_cmd = argv;