X-Git-Url: https://git.xinqibao.xyz/st.git/blobdiff_plain/1ae2745fd160bbc25bab56be31d04a9d7f8ef4d4..99fb365aa30e6d9f8fa035f4d2adbc3145fafb00:/st.c
diff --git a/st.c b/st.c
index 7afff39..fe44608 100644
--- a/st.c
+++ b/st.c
@@ -94,12 +94,11 @@ enum glyph_attribute {
ATTR_REVERSE = 1,
ATTR_UNDERLINE = 2,
ATTR_BOLD = 4,
- ATTR_GFX = 8,
- ATTR_ITALIC = 16,
- ATTR_BLINK = 32,
- ATTR_WRAP = 64,
- ATTR_WIDE = 128,
- ATTR_WDUMMY = 256,
+ ATTR_ITALIC = 8,
+ ATTR_BLINK = 16,
+ ATTR_WRAP = 32,
+ ATTR_WIDE = 64,
+ ATTR_WDUMMY = 128,
};
enum cursor_movement {
@@ -393,13 +392,11 @@ static void tsetdirtattr(int);
static void tsetmode(bool, bool, int *, int);
static void tfulldirt(void);
static void techo(char *, int);
-static bool tcontrolcode(uchar );
+static void tcontrolcode(uchar );
static void tdectest(char );
static int32_t tdefcolor(int *, int *, int);
-static void tselcs(void);
static void tdeftran(char);
static inline bool match(uint, uint);
-static void dump(char c);
static void ttynew(void);
static void ttyread(void);
static void ttyresize(void);
@@ -675,18 +672,13 @@ selsort(void) {
static inline bool
selected(int x, int y) {
- if(sel.ne.y == y && sel.nb.y == y)
- return BETWEEN(x, sel.nb.x, sel.ne.x);
+ if(sel.type == SEL_RECTANGULAR)
+ return BETWEEN(y, sel.nb.y, sel.ne.y)
+ && BETWEEN(x, sel.nb.x, sel.ne.x);
- if(sel.type == SEL_RECTANGULAR) {
- return ((sel.nb.y <= y && y <= sel.ne.y)
- && (sel.nb.x <= x && x <= sel.ne.x));
- }
-
- return ((sel.nb.y < y && y < sel.ne.y)
- || (y == sel.ne.y && x <= sel.ne.x))
- || (y == sel.nb.y && x >= sel.nb.x
- && (x <= sel.ne.x || sel.nb.y != sel.ne.y));
+ return BETWEEN(y, sel.nb.y, sel.ne.y)
+ && (y != sel.nb.y || x >= sel.nb.x)
+ && (y != sel.ne.y || x <= sel.ne.x);
}
void
@@ -923,60 +915,59 @@ getsel(void) {
int x, y, bufsize, size, i, ex;
Glyph *gp, *last;
- if(sel.ob.x == -1) {
- str = NULL;
- } else {
- bufsize = (term.col+1) * (sel.ne.y-sel.nb.y+1) * UTF_SIZ;
- ptr = str = xmalloc(bufsize);
+ if(sel.ob.x == -1)
+ return NULL;
- /* append every set & selected glyph to the selection */
- for(y = sel.nb.y; y < sel.ne.y + 1; y++) {
- gp = &term.line[y][0];
- last = &gp[term.col-1];
+ bufsize = (term.col+1) * (sel.ne.y-sel.nb.y+1) * UTF_SIZ;
+ ptr = str = xmalloc(bufsize);
- while(last >= gp && !(selected(last - gp, y) &&
- strcmp(last->c, " ") != 0)) {
- --last;
- }
+ /* append every set & selected glyph to the selection */
+ for(y = sel.nb.y; y < sel.ne.y + 1; y++) {
+ gp = &term.line[y][0];
+ last = &gp[term.col-1];
- for(x = 0; gp <= last; x++, ++gp) {
- if(!selected(x, y) || (gp->mode & ATTR_WDUMMY))
- continue;
+ while(last >= gp && !(selected(last - gp, y) &&
+ strcmp(last->c, " ") != 0)) {
+ --last;
+ }
- size = utf8len(gp->c);
- memcpy(ptr, gp->c, size);
- ptr += size;
- }
+ for(x = 0; gp <= last; x++, ++gp) {
+ if(!selected(x, y) || (gp->mode & ATTR_WDUMMY))
+ continue;
- /*
- * Copy and pasting of line endings is inconsistent
- * in the inconsistent terminal and GUI world.
- * The best solution seems like to produce '\n' when
- * something is copied from st and convert '\n' to
- * '\r', when something to be pasted is received by
- * st.
- * FIXME: Fix the computer world.
- */
- if(y < sel.ne.y && x > 0 && !((gp-1)->mode & ATTR_WRAP))
- *ptr++ = '\n';
+ size = utf8len(gp->c);
+ memcpy(ptr, gp->c, size);
+ ptr += size;
+ }
- /*
- * If the last selected line expands in the selection
- * after the visible text '\n' is appended.
- */
- if(y == sel.ne.y) {
- i = term.col;
- while(--i > 0 && term.line[y][i].c[0] == ' ')
- /* nothing */;
- ex = sel.ne.x;
- if(sel.nb.y == sel.ne.y && sel.ne.x < sel.nb.x)
- ex = sel.nb.x;
- if(i < ex)
- *ptr++ = '\n';
- }
+ /*
+ * Copy and pasting of line endings is inconsistent
+ * in the inconsistent terminal and GUI world.
+ * The best solution seems like to produce '\n' when
+ * something is copied from st and convert '\n' to
+ * '\r', when something to be pasted is received by
+ * st.
+ * FIXME: Fix the computer world.
+ */
+ if(y < sel.ne.y && x > 0 && !((gp-1)->mode & ATTR_WRAP))
+ *ptr++ = '\n';
+
+ /*
+ * If the last selected line expands in the selection
+ * after the visible text '\n' is appended.
+ */
+ if(y == sel.ne.y) {
+ i = term.col;
+ while(--i > 0 && term.line[y][i].c[0] == ' ')
+ /* nothing */;
+ ex = sel.ne.x;
+ if(sel.nb.y == sel.ne.y && sel.ne.x < sel.nb.x)
+ ex = sel.nb.x;
+ if(i < ex)
+ *ptr++ = '\n';
}
- *ptr = 0;
}
+ *ptr = 0;
return str;
}
@@ -1242,15 +1233,6 @@ ttynew(void) {
}
}
-void
-dump(char c) {
- static int col;
-
- fprintf(stderr, " %02x '%c' ", c, isprint(c)?c:'.');
- if(++col % 10 == 0)
- fprintf(stderr, "\n");
-}
-
void
ttyread(void) {
static char buf[BUFSIZ];
@@ -1551,7 +1533,7 @@ tsetchar(char *c, Glyph *attr, int x, int y) {
/*
* The table is proudly stolen from rxvt.
*/
- if(attr->mode & ATTR_GFX) {
+ if(term.trantbl[term.charset] == CS_GRAPHIC0) {
if(BETWEEN(c[0], 0x41, 0x7e) && vt100_0[c[0] - 0x41]) {
c = vt100_0[c[0] - 0x41];
}
@@ -1855,7 +1837,7 @@ tsetmode(bool priv, bool set, int *args, int narg) {
if (!allowaltscreen)
break;
tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
- /* FALLTHRU */
+ /* FALLTHROUGH */
case 47: /* swap screen */
case 1047:
if (!allowaltscreen)
@@ -1869,7 +1851,7 @@ tsetmode(bool priv, bool set, int *args, int narg) {
tswapscreen();
if(*args != 1049)
break;
- /* FALLTRU */
+ /* FALLTHROUGH */
case 1048:
tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
break;
@@ -2164,7 +2146,7 @@ strhandle(void) {
if(narg < 3)
break;
p = strescseq.args[2];
- /* fall through */
+ /* FALLTHROUGH */
case 104: /* color reset, here p = NULL */
j = (narg > 1) ? atoi(strescseq.args[1]) : -1;
if (!xsetcolorname(j, p)) {
@@ -2333,9 +2315,7 @@ void
tdeftran(char ascii) {
char c, (*bp)[2];
static char tbl[][2] = {
- {'0', CS_GRAPHIC0}, {'1', CS_GRAPHIC1}, {'A', CS_UK},
- {'B', CS_USA}, {'<', CS_MULTI}, {'K', CS_GER},
- {'5', CS_FIN}, {'C', CS_FIN},
+ {'0', CS_GRAPHIC0}, {'B', CS_USA},
{0, 0}
};
@@ -2349,13 +2329,6 @@ tdeftran(char ascii) {
}
void
-tselcs(void) {
- MODBIT(term.c.attr.mode,
- term.trantbl[term.charset] == CS_GRAPHIC0,
- ATTR_GFX);
-}
-
-bool
tcontrolcode(uchar ascii) {
static char question[UTF_SIZ] = "?";
@@ -2390,14 +2363,12 @@ tcontrolcode(uchar ascii) {
csireset();
term.esc &= ~(ESC_CSI|ESC_ALTCHARSET|ESC_TEST);
term.esc |= ESC_START;
- return 1;
+ return;
case '\016': /* SO */
term.charset = 0;
- tselcs();
break;
case '\017': /* SI */
term.charset = 1;
- tselcs();
break;
case '\032': /* SUB */
tsetchar(question, &term.c.attr, term.c.x, term.c.y);
@@ -2424,11 +2395,9 @@ tcontrolcode(uchar ascii) {
case 0x9e: /* TODO: PM */
case 0x9f: /* TODO: APC */
break;
- default:
- return 0;
}
term.esc &= ~(ESC_STR_END|ESC_STR);
- return 1;
+ return;
}
void
@@ -2507,8 +2476,11 @@ tputc(char *c, int len) {
* they must not cause conflicts with sequences.
*/
if(control) {
- if (tcontrolcode(ascii))
- return;
+ tcontrolcode(ascii);
+ /*
+ * control codes are not shown ever
+ */
+ return;
} else if(term.esc & ESC_START) {
if(term.esc & ESC_CSI) {
csiescseq.buf[csiescseq.len++] = ascii;
@@ -2522,7 +2494,6 @@ tputc(char *c, int len) {
return;
} else if(term.esc & ESC_ALTCHARSET) {
tdeftran(ascii);
- tselcs();
} else if(term.esc & ESC_TEST) {
tdectest(ascii);
} else {
@@ -2606,11 +2577,6 @@ tputc(char *c, int len) {
*/
return;
}
- /*
- * Display control codes only if we are in graphic mode
- */
- if(control && !(term.c.attr.mode & ATTR_GFX))
- return;
if(sel.ob.x != -1 && BETWEEN(term.c.y, sel.ob.y, sel.oe.y))
selclear(NULL);
@@ -2650,6 +2616,7 @@ tresize(int col, int row) {
int slide = term.c.y - row + 1;
bool *bp;
Line *orig;
+ TCursor c;
if(col < 1 || row < 1)
return 0;
@@ -2711,6 +2678,7 @@ tresize(int col, int row) {
tmoveto(term.c.x, term.c.y);
/* Clearing both screens */
orig = term.line;
+ c = term.c;
do {
if(mincol < col && 0 < minrow) {
tclearregion(mincol, 0, col - 1, minrow - 1);
@@ -2718,10 +2686,10 @@ tresize(int col, int row) {
if(0 < col && minrow < row) {
tclearregion(0, minrow, col - 1, row - 1);
}
- tcursor(CURSOR_SAVE);
tswapscreen();
tcursor(CURSOR_LOAD);
} while(orig != term.line);
+ term.c = c;
return (slide > 0);
}
@@ -3004,13 +2972,9 @@ xunloadfont(Font *f) {
void
xunloadfonts(void) {
- int i;
-
/* Free the loaded fonts in the font cache. */
- for(i = 0; i < frclen; i++) {
- XftFontClose(xw.dpy, frc[i].font);
- }
- frclen = 0;
+ while(frclen > 0)
+ XftFontClose(xw.dpy, frc[--frclen].font);
xunloadfont(&dc.font);
xunloadfont(&dc.bfont);