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

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This commit is contained in:
Aurélien Aptel 2011-04-22 00:18:53 +02:00
parent d3c5aba2d9
commit 9d5ea14b9d
3 changed files with 126 additions and 61 deletions
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45
config.def.h
View file

@ -31,27 +31,28 @@ static const char *colorname[] = {
#define DefaultBG 0
#define DefaultCS 1
/* Special keys */
/* Special keys (change & recompile st.info accordingly) */
/* key, mask, output */
static Key key[] = {
{ XK_BackSpace, "\177" },
{ XK_Insert, "\033[2~" },
{ XK_Delete, "\033[3~" },
{ XK_Home, "\033[1~" },
{ XK_End, "\033[4~" },
{ XK_Prior, "\033[5~" },
{ XK_Next, "\033[6~" },
{ XK_F1, "\033OP" },
{ XK_F2, "\033OQ" },
{ XK_F3, "\033OR" },
{ XK_F4, "\033OS" },
{ XK_F5, "\033[15~" },
{ XK_F6, "\033[17~" },
{ XK_F7, "\033[18~" },
{ XK_F8, "\033[19~" },
{ XK_F9, "\033[20~" },
{ XK_F10, "\033[21~" },
{ XK_F11, "\033[23~" },
{ XK_F12, "\033[24~" },
{ XK_BackSpace, 0, "\177" },
{ XK_Insert, 0, "\033[2~" },
{ XK_Delete, 0, "\033[3~" },
{ XK_Home, 0, "\033[1~" },
{ XK_End, 0, "\033[4~" },
{ XK_Prior, 0, "\033[5~" },
{ XK_Next, 0, "\033[6~" },
{ XK_F1, 0, "\033OP" },
{ XK_F2, 0, "\033OQ" },
{ XK_F3, 0, "\033OR" },
{ XK_F4, 0, "\033OS" },
{ XK_F5, 0, "\033[15~" },
{ XK_F6, 0, "\033[17~" },
{ XK_F7, 0, "\033[18~" },
{ XK_F8, 0, "\033[19~" },
{ XK_F9, 0, "\033[20~" },
{ XK_F10, 0, "\033[21~" },
{ XK_F11, 0, "\033[23~" },
{ XK_F12, 0, "\033[24~" },
};
/* Line drawing characters (sometime specific to each font...) */
@ -61,3 +62,7 @@ static char gfx[] = {
['i'] = '#',
[255] = 0,
};
/* double-click timeout (in milliseconds) between clicks for selection */
#define DOUBLECLICK_TIMEOUT 300
#define TRIPLECLICK_TIMEOUT (2*DOUBLECLICK_TIMEOUT)

112
st.c
View file

@ -22,6 +22,9 @@
#include <X11/cursorfont.h>
#include <X11/keysym.h>
#include <sys/time.h>
#include <time.h>
#if defined(__linux)
#include <pty.h>
#elif defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__)
@ -50,6 +53,7 @@
#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 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 */
enum { ATTR_NULL=0 , ATTR_REVERSE=1 , ATTR_UNDERLINE=2, ATTR_BOLD=4, ATTR_GFX=8 };
@ -60,7 +64,6 @@ enum { GLYPH_SET=1, GLYPH_DIRTY=2 };
enum { MODE_WRAP=1, MODE_INSERT=2, MODE_APPKEYPAD=4, MODE_ALTSCREEN=8,
MODE_CRLF=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 };
#undef B0
@ -129,6 +132,7 @@ typedef struct {
typedef struct {
KeySym k;
unsigned int mask;
char s[ESC_BUF_SIZ];
} Key;
@ -153,12 +157,15 @@ typedef struct {
struct {int x, y;} b, e;
char *clip;
Atom xtarget;
struct timeval tclick1;
struct timeval tclick2;
} Selection;
#include "config.h"
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 sigchld(int);
static void run(void);
@ -206,7 +213,7 @@ static void xresize(int, int);
static void expose(XEvent *);
static void visibility(XEvent *);
static void unmap(XEvent *);
static char* kmap(KeySym);
static char* kmap(KeySym, unsigned int state);
static void kpress(XEvent *);
static void resize(XEvent *);
static void focus(XEvent *);
@ -219,7 +226,7 @@ static void selrequest(XEvent *);
static void selinit(void);
static inline int selected(int, int);
static void selcopy(void);
static void selpaste(void);
static void selpaste();
static int utf8decode(char *, long *);
static int utf8encode(long *, char *);
@ -368,6 +375,8 @@ utf8size(char *s) {
void
selinit(void) {
sel.tclick1.tv_sec = 0;
sel.tclick1.tv_usec = 0;
sel.mode = 0;
sel.bx = -1;
sel.clip = NULL;
@ -511,30 +520,63 @@ xsetsel(char *str) {
XFlush(xw.dpy);
}
/* TODO: doubleclick to select word */
void
brelease(XEvent *e) {
int b;
sel.mode = 0;
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;
if(b==2)
if(b == 2)
selpaste();
} else {
if(b==1)
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();
}
draw(1);
/* 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 {
if(b == 1)
selcopy();
}
memcpy(&sel.tclick2, &sel.tclick1, sizeof(struct timeval));
gettimeofday(&sel.tclick1, NULL);
draw();
}
void
bmotion(XEvent *e) {
if (sel.mode) {
if(sel.mode) {
int oldey = sel.ey,
oldex = sel.ex;
getbuttoninfo(e, NULL, &sel.ex, &sel.ey);
/* XXX: draw() can't keep up, disabled for now.
selection is visible on button release.
draw(1); */
if(oldey != sel.ey || oldex != sel.ex) {
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
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)
die("write error on tty: %s\n", SERRNO);
}
@ -1641,7 +1687,12 @@ xdrawc(int x, int y, Glyph g) {
}
void
draw(int dummy) {
drawregion(int x0, int x1, int y0, int y1) {
draw();
}
void
draw() {
int x, y;
xclear(0, 0, term.col-1, term.row-1);
@ -1658,7 +1709,12 @@ draw(int dummy) {
#else
/* optimized drawing routine */
void
draw(int redraw_all) {
draw() {
drawregion(0, 0, term.col, term.row);
}
void
drawregion(int x1, int y1, int x2, int y2) {
int ic, ib, x, y, ox, sl;
Glyph base, new;
char buf[DRAW_BUF_SIZ];
@ -1666,13 +1722,13 @@ draw(int redraw_all) {
if(!(xw.state & WIN_VISIBLE))
return;
xclear(0, 0, term.col-1, term.row-1);
for(y = 0; y < term.row; y++) {
xclear(x1, y1, x2-1, y2-1);
for(y = y1; y < y2; y++) {
base = term.line[y][0];
ic = ib = ox = 0;
for(x = 0; x < term.col; x++) {
for(x = x1; x < x2; 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;
if(ib > 0 && (!(new.state & GLYPH_SET) || ATTRCMP(base, new) ||
ib >= DRAW_BUF_SIZ-UTF_SIZ)) {
@ -1705,7 +1761,7 @@ expose(XEvent *ev) {
if(xw.state & WIN_REDRAW) {
if(!e->count) {
xw.state &= ~WIN_REDRAW;
draw(SCREEN_REDRAW);
draw();
}
} else
XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, e->x-BORDER, e->y-BORDER,
@ -1742,14 +1798,14 @@ focus(XEvent *ev) {
xseturgency(0);
} else
xw.state &= ~WIN_FOCUSED;
draw(SCREEN_UPDATE);
draw();
}
char*
kmap(KeySym k) {
kmap(KeySym k, unsigned int state) {
int 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 NULL;
}
@ -1770,7 +1826,7 @@ kpress(XEvent *ev) {
len = XmbLookupString(xw.xic, e, buf, sizeof(buf), &ksym, &status);
/* 1. custom keys from config.h */
if((customkey = kmap(ksym)))
if((customkey = kmap(ksym, e->state)))
ttywrite(customkey, strlen(customkey));
/* 2. hardcoded (overrides X lookup) */
else
@ -1779,7 +1835,7 @@ kpress(XEvent *ev) {
case XK_Down:
case XK_Left:
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);
break;
case XK_Insert:
@ -1817,7 +1873,7 @@ resize(XEvent *e) {
if(col == term.col && row == term.row)
return;
if(tresize(col, row))
draw(SCREEN_REDRAW);
draw();
ttyresize(col, row);
xresize(col, row);
}
@ -1839,7 +1895,7 @@ run(void) {
}
if(FD_ISSET(cmdfd, &rfd)) {
ttyread();
draw(SCREEN_UPDATE);
draw();
}
while(XPending(xw.dpy)) {
XNextEvent(xw.dpy, &ev);

4
st.info
View file

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