jab2870
/
st
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

selection clicks, shift+arrow keys, fast(er) redraw, key mask in config.h (thx Magnus Leuthner)

Browse Source
master
Aurélien Aptel 14 years ago
parent d3c5aba2d9
commit 9d5ea14b9d
3 changed files with 126 additions and 61 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Unified View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 47
      config.def.h
  2. 136
      st.c
  3. 4
      st.info

47
config.def.h
Unescape View File

@ -26,32 +26,33 @@ static const char *colorname[] = {
}; };
/* Default colors (colorname index) */ /* Default colors (colorname index) */
/* foreground, background, cursor */ /* foreground, background, cursor */
#define DefaultFG 7 #define DefaultFG 7
#define DefaultBG 0 #define DefaultBG 0
#define DefaultCS 1 #define DefaultCS 1
/* Special keys */ /* Special keys (change & recompile st.info accordingly) */
/* key, mask, output */
static Key key[] = { static Key key[] = {
{ XK_BackSpace, "\177" }, { XK_BackSpace, 0, "\177" },
{ XK_Insert, "\033[2~" }, { XK_Insert, 0, "\033[2~" },
{ XK_Delete, "\033[3~" }, { XK_Delete, 0, "\033[3~" },
{ XK_Home, "\033[1~" }, { XK_Home, 0, "\033[1~" },
{ XK_End, "\033[4~" }, { XK_End, 0, "\033[4~" },
{ XK_Prior, "\033[5~" }, { XK_Prior, 0, "\033[5~" },
{ XK_Next, "\033[6~" }, { XK_Next, 0, "\033[6~" },
{ XK_F1, "\033OP" }, { XK_F1, 0, "\033OP" },
{ XK_F2, "\033OQ" }, { XK_F2, 0, "\033OQ" },
{ XK_F3, "\033OR" }, { XK_F3, 0, "\033OR" },
{ XK_F4, "\033OS" }, { XK_F4, 0, "\033OS" },
{ XK_F5, "\033[15~" }, { XK_F5, 0, "\033[15~" },
{ XK_F6, "\033[17~" }, { XK_F6, 0, "\033[17~" },
{ XK_F7, "\033[18~" }, { XK_F7, 0, "\033[18~" },
{ XK_F8, "\033[19~" }, { XK_F8, 0, "\033[19~" },
{ XK_F9, "\033[20~" }, { XK_F9, 0, "\033[20~" },
{ XK_F10, "\033[21~" }, { XK_F10, 0, "\033[21~" },
{ XK_F11, "\033[23~" }, { XK_F11, 0, "\033[23~" },
{ XK_F12, "\033[24~" }, { XK_F12, 0, "\033[24~" },
}; };
/* Line drawing characters (sometime specific to each font...) */ /* Line drawing characters (sometime specific to each font...) */
@ -61,3 +62,7 @@ static char gfx[] = {
['i'] = '#', ['i'] = '#',
[255] = 0, [255] = 0,
}; };
/* double-click timeout (in milliseconds) between clicks for selection */
#define DOUBLECLICK_TIMEOUT 300
#define TRIPLECLICK_TIMEOUT (2*DOUBLECLICK_TIMEOUT)

136
st.c
Unescape View File

@ -22,6 +22,9 @@
#include <X11/cursorfont.h> #include <X11/cursorfont.h>
#include <X11/keysym.h> #include <X11/keysym.h>
#include <sys/time.h>
#include <time.h>
#if defined(__linux) #if defined(__linux)
#include <pty.h> #include <pty.h>
#elif defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__) #elif defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__)
@ -45,11 +48,12 @@
#define MIN(a, b) ((a) < (b) ? (a) : (b)) #define MIN(a, b) ((a) < (b) ? (a) : (b))
#define MAX(a, b) ((a) < (b) ? (b) : (a)) #define MAX(a, b) ((a) < (b) ? (b) : (a))
#define LEN(a) (sizeof(a) / sizeof(a[0])) #define LEN(a) (sizeof(a) / sizeof(a[0]))
#define DEFAULT(a, b) (a) = (a) ? (a) : (b) #define DEFAULT(a, b) (a) = (a) ? (a) : (b)
#define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b)) #define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b))
#define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x) #define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
#define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || (a).bg != (b).bg) #define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || (a).bg != (b).bg)
#define IS_SET(flag) (term.mode & (flag)) #define IS_SET(flag) (term.mode & (flag))
#define TIMEDIFFERENCE(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + (t1.tv_usec-t2.tv_usec)/1000)
/* Attribute, Cursor, Character state, Terminal mode, Screen draw mode */ /* Attribute, Cursor, Character state, Terminal mode, Screen draw mode */
enum { ATTR_NULL=0 , ATTR_REVERSE=1 , ATTR_UNDERLINE=2, ATTR_BOLD=4, ATTR_GFX=8 }; enum { ATTR_NULL=0 , ATTR_REVERSE=1 , ATTR_UNDERLINE=2, ATTR_BOLD=4, ATTR_GFX=8 };
@ -57,10 +61,9 @@ enum { CURSOR_UP, CURSOR_DOWN, CURSOR_LEFT, CURSOR_RIGHT,
CURSOR_SAVE, CURSOR_LOAD }; CURSOR_SAVE, CURSOR_LOAD };
enum { CURSOR_DEFAULT = 0, CURSOR_HIDE = 1, CURSOR_WRAPNEXT = 2 }; enum { CURSOR_DEFAULT = 0, CURSOR_HIDE = 1, CURSOR_WRAPNEXT = 2 };
enum { GLYPH_SET=1, GLYPH_DIRTY=2 }; enum { GLYPH_SET=1, GLYPH_DIRTY=2 };
enum { MODE_WRAP=1, MODE_INSERT=2, MODE_APPKEYPAD=4, MODE_ALTSCREEN=8, enum { MODE_WRAP=1, MODE_INSERT=2, MODE_APPKEYPAD=4, MODE_ALTSCREEN=8,
MODE_CRLF=16 }; MODE_CRLF=16 };
enum { ESC_START=1, ESC_CSI=2, ESC_OSC=4, ESC_TITLE=8, ESC_ALTCHARSET=16 }; enum { ESC_START=1, ESC_CSI=2, ESC_OSC=4, ESC_TITLE=8, ESC_ALTCHARSET=16 };
enum { SCREEN_UPDATE, SCREEN_REDRAW };
enum { WIN_VISIBLE=1, WIN_REDRAW=2, WIN_FOCUSED=4 }; enum { WIN_VISIBLE=1, WIN_REDRAW=2, WIN_FOCUSED=4 };
#undef B0 #undef B0
@ -87,21 +90,21 @@ typedef struct {
/* ESC '[' [[ [<priv>] <arg> [;]] <mode>] */ /* ESC '[' [[ [<priv>] <arg> [;]] <mode>] */
typedef struct { typedef struct {
char buf[ESC_BUF_SIZ]; /* raw string */ char buf[ESC_BUF_SIZ]; /* raw string */
int len; /* raw string length */ int len; /* raw string length */
char priv; char priv;
int arg[ESC_ARG_SIZ]; int arg[ESC_ARG_SIZ];
int narg; /* nb of args */ int narg; /* nb of args */
char mode; char mode;
} CSIEscape; } CSIEscape;
/* 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 */
Line* line; /* screen */ Line* line; /* screen */
Line* alt; /* alternate screen */ Line* alt; /* alternate screen */
TCursor c; /* cursor */ TCursor c; /* cursor */
int top; /* top scroll limit */ int top; /* top scroll limit */
int bot; /* bottom scroll limit */ int bot; /* bottom scroll limit */
int mode; /* terminal mode flags */ int mode; /* terminal mode flags */
int esc; /* escape state flags */ int esc; /* escape state flags */
@ -118,17 +121,18 @@ typedef struct {
XIM xim; XIM xim;
XIC xic; XIC xic;
int scr; int scr;
int w; /* window width */ int w; /* window width */
int h; /* window height */ int h; /* window height */
int bufw; /* pixmap width */ int bufw; /* pixmap width */
int bufh; /* pixmap height */ int bufh; /* pixmap height */
int ch; /* char height */ int ch; /* char height */
int cw; /* char width */ int cw; /* char width */
char state; /* focus, redraw, visible */ char state; /* focus, redraw, visible */
} XWindow; } XWindow;
typedef struct { typedef struct {
KeySym k; KeySym k;
unsigned int mask;
char s[ESC_BUF_SIZ]; char s[ESC_BUF_SIZ];
} Key; } Key;
@ -150,15 +154,18 @@ typedef struct {
int mode; int mode;
int bx, by; int bx, by;
int ex, ey; int ex, ey;
struct {int x, y;} b, e; struct {int x, y;} b, e;
char *clip; char *clip;
Atom xtarget; Atom xtarget;
struct timeval tclick1;
struct timeval tclick2;
} Selection; } Selection;
#include "config.h" #include "config.h"
static void die(const char *errstr, ...); static void die(const char *errstr, ...);
static void draw(int); static void draw();
static void drawregion(int, int, int, int);
static void execsh(void); static void execsh(void);
static void sigchld(int); static void sigchld(int);
static void run(void); static void run(void);
@ -206,7 +213,7 @@ static void xresize(int, int);
static void expose(XEvent *); static void expose(XEvent *);
static void visibility(XEvent *); static void visibility(XEvent *);
static void unmap(XEvent *); static void unmap(XEvent *);
static char* kmap(KeySym); static char* kmap(KeySym, unsigned int state);
static void kpress(XEvent *); static void kpress(XEvent *);
static void resize(XEvent *); static void resize(XEvent *);
static void focus(XEvent *); static void focus(XEvent *);
@ -219,7 +226,7 @@ static void selrequest(XEvent *);
static void selinit(void); static void selinit(void);
static inline int selected(int, int); static inline int selected(int, int);
static void selcopy(void); static void selcopy(void);
static void selpaste(void); static void selpaste();
static int utf8decode(char *, long *); static int utf8decode(char *, long *);
static int utf8encode(long *, char *); static int utf8encode(long *, char *);
@ -340,7 +347,7 @@ isfullutf8(char *s, int b) {
else if((*c1&(B7|B6|B5)) == (B7|B6) && b == 1) else if((*c1&(B7|B6|B5)) == (B7|B6) && b == 1)
return 0; return 0;
else if((*c1&(B7|B6|B5|B4)) == (B7|B6|B5) && else if((*c1&(B7|B6|B5|B4)) == (B7|B6|B5) &&
((b == 1) || ((b == 1) ||
((b == 2) && (*c2&(B7|B6)) == B7))) ((b == 2) && (*c2&(B7|B6)) == B7)))
return 0; return 0;
else if((*c1&(B7|B6|B5|B4|B3)) == (B7|B6|B5|B4) && else if((*c1&(B7|B6|B5|B4|B3)) == (B7|B6|B5|B4) &&
@ -362,12 +369,14 @@ utf8size(char *s) {
return 2; return 2;
else if ((c&(B7|B6|B5|B4)) == (B7|B6|B5)) else if ((c&(B7|B6|B5|B4)) == (B7|B6|B5))
return 3; return 3;
else else
return 4; return 4;
} }
void void
selinit(void) { selinit(void) {
sel.tclick1.tv_sec = 0;
sel.tclick1.tv_usec = 0;
sel.mode = 0; sel.mode = 0;
sel.bx = -1; sel.bx = -1;
sel.clip = NULL; sel.clip = NULL;
@ -376,14 +385,14 @@ selinit(void) {
sel.xtarget = XA_STRING; sel.xtarget = XA_STRING;
} }
static inline int static inline int
selected(int x, int y) { selected(int x, int y) {
if(sel.ey == y && sel.by == y) { if(sel.ey == y && sel.by == y) {
int bx = MIN(sel.bx, sel.ex); int bx = MIN(sel.bx, sel.ex);
int ex = MAX(sel.bx, sel.ex); int ex = MAX(sel.bx, sel.ex);
return BETWEEN(x, bx, ex); return BETWEEN(x, bx, ex);
} }
return ((sel.b.y < y&&y < sel.e.y) || (y==sel.e.y && x<=sel.e.x)) return ((sel.b.y < y&&y < sel.e.y) || (y==sel.e.y && x<=sel.e.x))
|| (y==sel.b.y && x>=sel.b.x && (x<=sel.e.x || sel.b.y!=sel.e.y)); || (y==sel.b.y && x>=sel.b.x && (x<=sel.e.x || sel.b.y!=sel.e.y));
} }
@ -511,30 +520,63 @@ xsetsel(char *str) {
XFlush(xw.dpy); XFlush(xw.dpy);
} }
/* TODO: doubleclick to select word */
void void
brelease(XEvent *e) { brelease(XEvent *e) {
int b; int b;
sel.mode = 0; sel.mode = 0;
getbuttoninfo(e, &b, &sel.ex, &sel.ey); getbuttoninfo(e, &b, &sel.ex, &sel.ey);
if(sel.bx==sel.ex && sel.by==sel.ey) {
if(sel.bx == sel.ex && sel.by == sel.ey) {
sel.bx = -1; sel.bx = -1;
if(b==2) if(b == 2)
selpaste(); selpaste();
else if(b == 1) {
/* double click to select word */
struct timeval now;
gettimeofday(&now, NULL);
if(TIMEDIFFERENCE(now, sel.tclick1) <= DOUBLECLICK_TIMEOUT) {
sel.bx = sel.ex;
while(term.line[sel.ey][sel.bx-1].state & GLYPH_SET &&
term.line[sel.ey][sel.bx-1].c[0] != ' ') sel.bx--;
sel.b.x = sel.bx;
while(term.line[sel.ey][sel.ex+1].state & GLYPH_SET &&
term.line[sel.ey][sel.ex+1].c[0] != ' ') sel.ex++;
sel.e.x = sel.ex;
sel.b.y = sel.e.y = sel.ey;
selcopy();
}
/* triple click on the line */
if(TIMEDIFFERENCE(now, sel.tclick2) <= TRIPLECLICK_TIMEOUT) {
sel.b.x = sel.bx = 0;
sel.e.x = sel.ex = term.col;
sel.b.y = sel.e.y = sel.ey;
selcopy();
}
}
} else { } else {
if(b==1) if(b == 1)
selcopy(); selcopy();
} }
draw(1); memcpy(&sel.tclick2, &sel.tclick1, sizeof(struct timeval));
gettimeofday(&sel.tclick1, NULL);
draw();
} }
void void
bmotion(XEvent *e) { bmotion(XEvent *e) {
if (sel.mode) { if(sel.mode) {
int oldey = sel.ey,
oldex = sel.ex;
getbuttoninfo(e, NULL, &sel.ex, &sel.ey); getbuttoninfo(e, NULL, &sel.ex, &sel.ey);
/* XXX: draw() can't keep up, disabled for now.
selection is visible on button release. if(oldey != sel.ey || oldex != sel.ex) {
draw(1); */ int starty = MIN(oldey, sel.ey);
int endy = MAX(oldey, sel.ey);
drawregion(0, (starty > 0 ? starty : 0), term.col, (sel.ey < term.row ? endy+1 : term.row));
}
} }
} }
@ -641,6 +683,10 @@ ttyread(void) {
void void
ttywrite(const char *s, size_t n) { ttywrite(const char *s, size_t n) {
{size_t nn;
for(nn = 0; nn < n; nn++)
dump(s[nn]);
}
if(write(cmdfd, s, n) == -1) if(write(cmdfd, s, n) == -1)
die("write error on tty: %s\n", SERRNO); die("write error on tty: %s\n", SERRNO);
} }
@ -1640,8 +1686,13 @@ xdrawc(int x, int y, Glyph g) {
dc.gc, r.x, r.y+dc.font.ascent, g.c, sl); dc.gc, r.x, r.y+dc.font.ascent, g.c, sl);
} }
void
drawregion(int x0, int x1, int y0, int y1) {
draw();
}
void void
draw(int dummy) { draw() {
int x, y; int x, y;
xclear(0, 0, term.col-1, term.row-1); xclear(0, 0, term.col-1, term.row-1);
@ -1657,8 +1708,13 @@ draw(int dummy) {
#else #else
/* optimized drawing routine */ /* optimized drawing routine */
void
draw() {
drawregion(0, 0, term.col, term.row);
}
void void
draw(int redraw_all) { drawregion(int x1, int y1, int x2, int y2) {
int ic, ib, x, y, ox, sl; int ic, ib, x, y, ox, sl;
Glyph base, new; Glyph base, new;
char buf[DRAW_BUF_SIZ]; char buf[DRAW_BUF_SIZ];
@ -1666,13 +1722,13 @@ draw(int redraw_all) {
if(!(xw.state & WIN_VISIBLE)) if(!(xw.state & WIN_VISIBLE))
return; return;
xclear(0, 0, term.col-1, term.row-1); xclear(x1, y1, x2-1, y2-1);
for(y = 0; y < term.row; y++) { for(y = y1; y < y2; y++) {
base = term.line[y][0]; base = term.line[y][0];
ic = ib = ox = 0; ic = ib = ox = 0;
for(x = 0; x < term.col; x++) { for(x = x1; x < x2; x++) {
new = term.line[y][x]; new = term.line[y][x];
if(sel.bx!=-1 && *(new.c) && selected(x, y)) if(sel.bx != -1 && *(new.c) && selected(x, y))
new.mode ^= ATTR_REVERSE; new.mode ^= ATTR_REVERSE;
if(ib > 0 && (!(new.state & GLYPH_SET) || ATTRCMP(base, new) || if(ib > 0 && (!(new.state & GLYPH_SET) || ATTRCMP(base, new) ||
ib >= DRAW_BUF_SIZ-UTF_SIZ)) { ib >= DRAW_BUF_SIZ-UTF_SIZ)) {
@ -1705,7 +1761,7 @@ expose(XEvent *ev) {
if(xw.state & WIN_REDRAW) { if(xw.state & WIN_REDRAW) {
if(!e->count) { if(!e->count) {
xw.state &= ~WIN_REDRAW; xw.state &= ~WIN_REDRAW;
draw(SCREEN_REDRAW); draw();
} }
} else } else
XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, e->x-BORDER, e->y-BORDER, XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, e->x-BORDER, e->y-BORDER,
@ -1742,14 +1798,14 @@ focus(XEvent *ev) {
xseturgency(0); xseturgency(0);
} else } else
xw.state &= ~WIN_FOCUSED; xw.state &= ~WIN_FOCUSED;
draw(SCREEN_UPDATE); draw();
} }
char* char*
kmap(KeySym k) { kmap(KeySym k, unsigned int state) {
int i; int i;
for(i = 0; i < LEN(key); i++) for(i = 0; i < LEN(key); i++)
if(key[i].k == k) if(key[i].k == k && (key[i].mask == 0 || key[i].mask & state))
return (char*)key[i].s; return (char*)key[i].s;
return NULL; return NULL;
} }
@ -1770,7 +1826,7 @@ kpress(XEvent *ev) {
len = XmbLookupString(xw.xic, e, buf, sizeof(buf), &ksym, &status); len = XmbLookupString(xw.xic, e, buf, sizeof(buf), &ksym, &status);
/* 1. custom keys from config.h */ /* 1. custom keys from config.h */
if((customkey = kmap(ksym))) if((customkey = kmap(ksym, e->state)))
ttywrite(customkey, strlen(customkey)); ttywrite(customkey, strlen(customkey));
/* 2. hardcoded (overrides X lookup) */ /* 2. hardcoded (overrides X lookup) */
else else
@ -1779,7 +1835,7 @@ kpress(XEvent *ev) {
case XK_Down: case XK_Down:
case XK_Left: case XK_Left:
case XK_Right: case XK_Right:
sprintf(buf, "\033%c%c", IS_SET(MODE_APPKEYPAD) ? 'O' : '[', "DACB"[ksym - XK_Left]); sprintf(buf, "\033%c%c", IS_SET(MODE_APPKEYPAD) ? 'O' : '[', (shift ? "dacb":"DACB")[ksym - XK_Left]);
ttywrite(buf, 3); ttywrite(buf, 3);
break; break;
case XK_Insert: case XK_Insert:
@ -1817,7 +1873,7 @@ resize(XEvent *e) {
if(col == term.col && row == term.row) if(col == term.col && row == term.row)
return; return;
if(tresize(col, row)) if(tresize(col, row))
draw(SCREEN_REDRAW); draw();
ttyresize(col, row); ttyresize(col, row);
xresize(col, row); xresize(col, row);
} }
@ -1839,7 +1895,7 @@ run(void) {
} }
if(FD_ISSET(cmdfd, &rfd)) { if(FD_ISSET(cmdfd, &rfd)) {
ttyread(); ttyread();
draw(SCREEN_UPDATE); draw();
} }
while(XPending(xw.dpy)) { while(XPending(xw.dpy)) {
XNextEvent(xw.dpy, &ev); XNextEvent(xw.dpy, &ev);

4
st.info
Unescape View File

@ -49,6 +49,10 @@ st| simpleterm,
kcud1=\E[B, kcud1=\E[B,
kcuf1=\E[C, kcuf1=\E[C,
kcuu1=\E[A, kcuu1=\E[A,
kLFT=\E[d,
kRIT=\E[c,
kind=\E[a,
kri=\E[b,
kdch1=\E[3~, kdch1=\E[3~,
kich1=\E[2~, kich1=\E[2~,
kend=\E[4~, kend=\E[4~,

Write Preview
Loading…
Cancel
Save