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st/patches/st-keyboard_select-20200617...

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diff --git a/config.def.h b/config.def.h
index 6f05dce..54612d1 100644
--- a/config.def.h
+++ b/config.def.h
@@ -199,6 +199,7 @@ static Shortcut shortcuts[] = {
{ TERMMOD, XK_Y, selpaste, {.i = 0} },
{ ShiftMask, XK_Insert, selpaste, {.i = 0} },
{ TERMMOD, XK_Num_Lock, numlock, {.i = 0} },
+ { TERMMOD, XK_Escape, keyboard_select,{.i = 0} },
};
/*
diff --git a/st.c b/st.c
index ef8abd5..0c6c6ca 100644
--- a/st.c
+++ b/st.c
@@ -16,6 +16,8 @@
#include <termios.h>
#include <unistd.h>
#include <wchar.h>
+#include <X11/keysym.h>
+#include <X11/X.h>
#include "st.h"
#include "win.h"
@@ -2487,6 +2489,9 @@ tresize(int col, int row)
int *bp;
TCursor c;
+ if ( row < term.row || col < term.col )
+ toggle_winmode(trt_kbdselect(XK_Escape, NULL, 0));
+
if (col < 1 || row < 1) {
fprintf(stderr,
"tresize: error resizing to %dx%d\n", col, row);
@@ -2612,3 +2617,220 @@ redraw(void)
tfulldirt();
draw();
}
+
+void set_notifmode(int type, KeySym ksym) {
+ static char *lib[] = { " MOVE ", " SEL "};
+ static Glyph *g, *deb, *fin;
+ static int col, bot;
+
+ if ( ksym == -1 ) {
+ free(g);
+ col = term.col, bot = term.bot;
+ g = xmalloc(col * sizeof(Glyph));
+ memcpy(g, term.line[bot], col * sizeof(Glyph));
+
+ }
+ else if ( ksym == -2 )
+ memcpy(term.line[bot], g, col * sizeof(Glyph));
+
+ if ( type < 2 ) {
+ char *z = lib[type];
+ for (deb = &term.line[bot][col - 6], fin = &term.line[bot][col]; deb < fin; z++, deb++)
+ deb->mode = ATTR_REVERSE,
+ deb->u = *z,
+ deb->fg = defaultfg, deb->bg = defaultbg;
+ }
+ else if ( type < 5 )
+ memcpy(term.line[bot], g, col * sizeof(Glyph));
+ else {
+ for (deb = &term.line[bot][0], fin = &term.line[bot][col]; deb < fin; deb++)
+ deb->mode = ATTR_REVERSE,
+ deb->u = ' ',
+ deb->fg = defaultfg, deb->bg = defaultbg;
+ term.line[bot][0].u = ksym;
+ }
+
+ term.dirty[bot] = 1;
+ drawregion(0, bot, col, bot + 1);
+}
+
+void select_or_drawcursor(int selectsearch_mode, int type) {
+ int done = 0;
+
+ if ( selectsearch_mode & 1 ) {
+ selextend(term.c.x, term.c.y, type, done);
+ xsetsel(getsel());
+ }
+ else
+ xdrawcursor(term.c.x, term.c.y, term.line[term.c.y][term.c.x],
+ term.ocx, term.ocy, term.line[term.ocy][term.ocx]);
+}
+
+void search(int selectsearch_mode, Rune *target, int ptarget, int incr, int type, TCursor *cu) {
+ Rune *r;
+ int i, bound = (term.col * cu->y + cu->x) * (incr > 0) + incr;
+
+ for (i = term.col * term.c.y + term.c.x + incr; i != bound; i += incr) {
+ for (r = target; r - target < ptarget; r++) {
+ if ( *r == term.line[(i + r - target) / term.col][(i + r - target) % term.col].u ) {
+ if ( r - target == ptarget - 1 ) break;
+ } else {
+ r = NULL;
+ break;
+ }
+ }
+ if ( r != NULL ) break;
+ }
+
+ if ( i != bound ) {
+ term.c.y = i / term.col, term.c.x = i % term.col;
+ select_or_drawcursor(selectsearch_mode, type);
+ }
+}
+
+int trt_kbdselect(KeySym ksym, char *buf, int len) {
+ static TCursor cu;
+ static Rune target[64];
+ static int type = 1, ptarget, in_use;
+ static int sens, quant;
+ static char selectsearch_mode;
+ int i, bound, *xy;
+
+
+ if ( selectsearch_mode & 2 ) {
+ if ( ksym == XK_Return ) {
+ selectsearch_mode ^= 2;
+ set_notifmode(selectsearch_mode, -2);
+ if ( ksym == XK_Escape ) ptarget = 0;
+ return 0;
+ }
+ else if ( ksym == XK_BackSpace ) {
+ if ( !ptarget ) return 0;
+ term.line[term.bot][ptarget--].u = ' ';
+ }
+ else if ( len < 1 ) {
+ return 0;
+ }
+ else if ( ptarget == term.col || ksym == XK_Escape ) {
+ return 0;
+ }
+ else {
+ utf8decode(buf, &target[ptarget++], len);
+ term.line[term.bot][ptarget].u = target[ptarget - 1];
+ }
+
+ if ( ksym != XK_BackSpace )
+ search(selectsearch_mode, &target[0], ptarget, sens, type, &cu);
+
+ term.dirty[term.bot] = 1;
+ drawregion(0, term.bot, term.col, term.bot + 1);
+ return 0;
+ }
+
+ switch ( ksym ) {
+ case -1 :
+ in_use = 1;
+ cu.x = term.c.x, cu.y = term.c.y;
+ set_notifmode(0, ksym);
+ return MODE_KBDSELECT;
+ case XK_s :
+ if ( selectsearch_mode & 1 )
+ selclear();
+ else
+ selstart(term.c.x, term.c.y, 0);
+ set_notifmode(selectsearch_mode ^= 1, ksym);
+ break;
+ case XK_t :
+ selextend(term.c.x, term.c.y, type ^= 3, i = 0); /* 2 fois */
+ selextend(term.c.x, term.c.y, type, i = 0);
+ break;
+ case XK_slash :
+ case XK_KP_Divide :
+ case XK_question :
+ ksym &= XK_question; /* Divide to slash */
+ sens = (ksym == XK_slash) ? -1 : 1;
+ ptarget = 0;
+ set_notifmode(15, ksym);
+ selectsearch_mode ^= 2;
+ break;
+ case XK_Escape :
+ if ( !in_use ) break;
+ selclear();
+ case XK_Return :
+ set_notifmode(4, ksym);
+ term.c.x = cu.x, term.c.y = cu.y;
+ select_or_drawcursor(selectsearch_mode = 0, type);
+ in_use = quant = 0;
+ return MODE_KBDSELECT;
+ case XK_n :
+ case XK_N :
+ if ( ptarget )
+ search(selectsearch_mode, &target[0], ptarget, (ksym == XK_n) ? -1 : 1, type, &cu);
+ break;
+ case XK_BackSpace :
+ term.c.x = 0;
+ select_or_drawcursor(selectsearch_mode, type);
+ break;
+ case XK_dollar :
+ term.c.x = term.col - 1;
+ select_or_drawcursor(selectsearch_mode, type);
+ break;
+ case XK_Home :
+ term.c.x = 0, term.c.y = 0;
+ select_or_drawcursor(selectsearch_mode, type);
+ break;
+ case XK_End :
+ term.c.x = cu.x, term.c.y = cu.y;
+ select_or_drawcursor(selectsearch_mode, type);
+ break;
+ case XK_Page_Up :
+ case XK_Page_Down :
+ term.c.y = (ksym == XK_Prior ) ? 0 : cu.y;
+ select_or_drawcursor(selectsearch_mode, type);
+ break;
+ case XK_exclam :
+ term.c.x = term.col >> 1;
+ select_or_drawcursor(selectsearch_mode, type);
+ break;
+ case XK_asterisk :
+ case XK_KP_Multiply :
+ term.c.x = term.col >> 1;
+ case XK_underscore :
+ term.c.y = cu.y >> 1;
+ select_or_drawcursor(selectsearch_mode, type);
+ break;
+ default :
+ if ( ksym >= XK_0 && ksym <= XK_9 ) { /* 0-9 keyboard */
+ quant = (quant * 10) + (ksym ^ XK_0);
+ return 0;
+ }
+ else if ( ksym >= XK_KP_0 && ksym <= XK_KP_9 ) { /* 0-9 numpad */
+ quant = (quant * 10) + (ksym ^ XK_KP_0);
+ return 0;
+ }
+ else if ( ksym == XK_k || ksym == XK_h )
+ i = ksym & 1;
+ else if ( ksym == XK_l || ksym == XK_j )
+ i = ((ksym & 6) | 4) >> 1;
+ else if ( (XK_Home & ksym) != XK_Home || (i = (ksym ^ XK_Home) - 1) > 3 )
+ break;
+
+ xy = (i & 1) ? &term.c.y : &term.c.x;
+ sens = (i & 2) ? 1 : -1;
+ bound = (i >> 1 ^ 1) ? 0 : (i ^ 3) ? term.col - 1 : term.bot;
+
+ if ( quant == 0 )
+ quant++;
+
+ if ( *xy == bound && ((sens < 0 && bound == 0) || (sens > 0 && bound > 0)) )
+ break;
+
+ *xy += quant * sens;
+ if ( *xy < 0 || ( bound > 0 && *xy > bound) )
+ *xy = bound;
+
+ select_or_drawcursor(selectsearch_mode, type);
+ }
+ quant = 0;
+ return 0;
+}
diff --git a/st.h b/st.h
index 3d351b6..2d1a11b 100644
--- a/st.h
+++ b/st.h
@@ -110,6 +110,7 @@ size_t utf8encode(Rune, char *);
void *xmalloc(size_t);
void *xrealloc(void *, size_t);
char *xstrdup(char *);
+int trt_kbdselect(KeySym, char *, int);
/* config.h globals */
extern char *utmp;
diff --git a/win.h b/win.h
index a6ef1b9..9a47fbb 100644
--- a/win.h
+++ b/win.h
@@ -21,6 +21,7 @@ enum win_mode {
MODE_NUMLOCK = 1 << 17,
MODE_MOUSE = MODE_MOUSEBTN|MODE_MOUSEMOTION|MODE_MOUSEX10\
|MODE_MOUSEMANY,
+ MODE_KBDSELECT = 1 << 18,
};
void xbell(void);
@@ -36,4 +37,6 @@ void xsetmode(int, unsigned int);
void xsetpointermotion(int);
void xsetsel(char *);
int xstartdraw(void);
+void toggle_winmode(int);
+void keyboard_select(const Arg *);
void xximspot(int, int);
diff --git a/x.c b/x.c
index 210f184..b77ce54 100644
--- a/x.c
+++ b/x.c
@@ -1800,6 +1800,12 @@ kpress(XEvent *ev)
len = XmbLookupString(xw.ime.xic, e, buf, sizeof buf, &ksym, &status);
else
len = XLookupString(e, buf, sizeof buf, &ksym, NULL);
+ if ( IS_SET(MODE_KBDSELECT) ) {
+ if ( match(XK_NO_MOD, e->state) ||
+ (XK_Shift_L | XK_Shift_R) & e->state )
+ win.mode ^= trt_kbdselect(ksym, buf, len);
+ return;
+ }
/* 1. shortcuts */
for (bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) {
if (ksym == bp->keysym && match(bp->mod, e->state)) {
@@ -1977,6 +1983,14 @@ usage(void)
" [stty_args ...]\n", argv0, argv0);
}
+void toggle_winmode(int flag) {
+ win.mode ^= flag;
+}
+
+void keyboard_select(const Arg *dummy) {
+ win.mode ^= trt_kbdselect(-1, NULL, 0);
+}
+
int
main(int argc, char *argv[])
{
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