st-keyboard_select-0.8.2.diff - sites - public wiki contents of suckless.org
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       st-keyboard_select-0.8.2.diff (9969B)
       ---
            1 From 45cadc1ce5d8d9dd3493c2e9979e8958d87e8bc5 Mon Sep 17 00:00:00 2001
            2 From: Bartosz Sosna <brtsos@gmail.com>
            3 Date: Sat, 4 May 2019 00:28:24 +0200
            4 Subject: [PATCH] Adjust patch to version st-0.8.2
            5 
            6 ---
            7  config.def.h |   1 +
            8  st.c         | 222 +++++++++++++++++++++++++++++++++++++++++++++++++++
            9  st.h         |   1 +
           10  win.h        |   3 +
           11  x.c          |  15 ++++
           12  5 files changed, 242 insertions(+)
           13 
           14 diff --git a/config.def.h b/config.def.h
           15 index 482901e..c1e9cce 100644
           16 --- a/config.def.h
           17 +++ b/config.def.h
           18 @@ -178,6 +178,7 @@ static Shortcut shortcuts[] = {
           19          { TERMMOD,              XK_Y,           selpaste,       {.i =  0} },
           20          { ShiftMask,            XK_Insert,      selpaste,       {.i =  0} },
           21          { TERMMOD,              XK_Num_Lock,    numlock,        {.i =  0} },
           22 +    { TERMMOD,              XK_Escape,      keyboard_select,{ 0 } },
           23  };
           24  
           25  /*
           26 diff --git a/st.c b/st.c
           27 index ede7ae6..c2116b2 100644
           28 --- a/st.c
           29 +++ b/st.c
           30 @@ -16,6 +16,8 @@
           31  #include <termios.h>
           32  #include <unistd.h>
           33  #include <wchar.h>
           34 +#include <X11/keysym.h>
           35 +#include <X11/X.h>
           36  
           37  #include "st.h"
           38  #include "win.h"
           39 @@ -2464,6 +2466,9 @@ tresize(int col, int row)
           40          int *bp;
           41          TCursor c;
           42  
           43 +        if ( row < term.row  || col < term.col )
           44 +        toggle_winmode(trt_kbdselect(XK_Escape, NULL, 0));
           45 +
           46          if (col < 1 || row < 1) {
           47                  fprintf(stderr,
           48                          "tresize: error resizing to %dx%d\n", col, row);
           49 @@ -2586,3 +2591,220 @@ redraw(void)
           50          tfulldirt();
           51          draw();
           52  }
           53 +
           54 +void set_notifmode(int type, KeySym ksym) {
           55 +    static char *lib[] = { " MOVE ", " SEL  "};
           56 +    static Glyph *g, *deb, *fin;
           57 +    static int col, bot;
           58 +
           59 +    if ( ksym == -1 ) {
           60 +        free(g);
           61 +        col = term.col, bot = term.bot;
           62 +        g = xmalloc(col * sizeof(Glyph));
           63 +        memcpy(g, term.line[bot], col * sizeof(Glyph));
           64 +    
           65 +    }
           66 +    else if ( ksym == -2 )
           67 +        memcpy(term.line[bot], g, col * sizeof(Glyph));
           68 +
           69 +    if ( type < 2 ) {
           70 +        char *z = lib[type];
           71 +        for (deb = &term.line[bot][col - 6], fin = &term.line[bot][col]; deb < fin; z++, deb++)
           72 +            deb->mode = ATTR_REVERSE,
           73 +            deb->u = *z,
           74 +            deb->fg = defaultfg, deb->bg = defaultbg;
           75 +    }
           76 +    else if ( type < 5 )
           77 +        memcpy(term.line[bot], g, col * sizeof(Glyph));
           78 +    else {
           79 +        for (deb = &term.line[bot][0], fin = &term.line[bot][col]; deb < fin; deb++)
           80 +            deb->mode = ATTR_REVERSE,
           81 +            deb->u = ' ',
           82 +            deb->fg = defaultfg, deb->bg = defaultbg;
           83 +        term.line[bot][0].u = ksym;
           84 +    }
           85 +
           86 +    term.dirty[bot] = 1;
           87 +    drawregion(0, bot, col, bot + 1);
           88 +}
           89 +
           90 +void select_or_drawcursor(int selectsearch_mode, int type) {
           91 +    int done = 0;
           92 +
           93 +    if ( selectsearch_mode & 1 ) {
           94 +        selextend(term.c.x, term.c.y, type, done);
           95 +        xsetsel(getsel());
           96 +    }
           97 +    else
           98 +        xdrawcursor(term.c.x, term.c.y, term.line[term.c.y][term.c.x],
           99 +                    term.ocx, term.ocy, term.line[term.ocy][term.ocx]);
          100 +}
          101 +
          102 +void search(int selectsearch_mode, Rune *target, int ptarget, int incr, int type, TCursor *cu) {
          103 +    Rune *r;
          104 +    int i, bound = (term.col * cu->y + cu->x) * (incr > 0) + incr;
          105 +
          106 +    for (i = term.col * term.c.y + term.c.x + incr; i != bound; i += incr) {
          107 +        for (r = target; r - target < ptarget; r++) {
          108 +            if ( *r == term.line[(i + r - target) / term.col][(i + r - target) % term.col].u ) {
          109 +                if ( r - target == ptarget - 1 )     break;
          110 +            } else {
          111 +                r = NULL;
          112 +                break;
          113 +            }
          114 +        }
          115 +        if ( r != NULL )    break;
          116 +    }
          117 +        
          118 +    if ( i != bound ) {
          119 +        term.c.y = i / term.col, term.c.x = i % term.col;
          120 +        select_or_drawcursor(selectsearch_mode, type);
          121 +    }
          122 +}
          123 +
          124 +int trt_kbdselect(KeySym ksym, char *buf, int len) {
          125 +    static TCursor cu;
          126 +    static Rune target[64];
          127 +    static int type = 1, ptarget, in_use;
          128 +    static int sens, quant;
          129 +    static char selectsearch_mode;
          130 +    int i, bound, *xy;
          131 +    
          132 +    
          133 +    if ( selectsearch_mode & 2 ) {
          134 +                if ( ksym == XK_Return ) {
          135 +                        selectsearch_mode ^= 2;
          136 +                        set_notifmode(selectsearch_mode, -2);
          137 +            if ( ksym == XK_Escape )    ptarget = 0;
          138 +                        return 0;
          139 +                }
          140 +        else if ( ksym == XK_BackSpace ) {
          141 +            if ( !ptarget )     return 0;
          142 +            term.line[term.bot][ptarget--].u = ' ';
          143 +                }
          144 +        else if ( len < 1 ) {
          145 +                        return 0;
          146 +                }
          147 +        else if ( ptarget == term.col  || ksym == XK_Escape ) {
          148 +            return 0;
          149 +        }
          150 +                else {
          151 +            utf8decode(buf, &target[ptarget++], len);
          152 +            term.line[term.bot][ptarget].u = target[ptarget - 1];
          153 +                }
          154 +
          155 +        if ( ksym != XK_BackSpace )
          156 +            search(selectsearch_mode, &target[0], ptarget, sens, type, &cu);
          157 +
          158 +        term.dirty[term.bot] = 1; 
          159 +        drawregion(0, term.bot, term.col, term.bot + 1);
          160 +        return 0;
          161 +    }
          162 +
          163 +    switch ( ksym ) {
          164 +    case -1 :
          165 +        in_use = 1;
          166 +        cu.x = term.c.x, cu.y = term.c.y;
          167 +        set_notifmode(0, ksym);
          168 +        return MODE_KBDSELECT;
          169 +    case XK_s :
          170 +        if ( selectsearch_mode & 1 )
          171 +            selclear();
          172 +        else
          173 +            selstart(term.c.x, term.c.y, 0);
          174 +        set_notifmode(selectsearch_mode ^= 1, ksym);
          175 +        break;
          176 +    case XK_t :
          177 +        selextend(term.c.x, term.c.y, type ^= 3, i = 0);  /* 2 fois */
          178 +        selextend(term.c.x, term.c.y, type, i = 0);
          179 +        break;
          180 +    case XK_slash :
          181 +    case XK_KP_Divide :
          182 +    case XK_question :
          183 +        ksym &= XK_question;                /* Divide to slash */
          184 +        sens = (ksym == XK_slash) ? -1 : 1;
          185 +        ptarget = 0;
          186 +        set_notifmode(15, ksym);
          187 +        selectsearch_mode ^= 2;
          188 +        break;
          189 +    case XK_Escape :
          190 +        if ( !in_use )  break;
          191 +        selclear();
          192 +    case XK_Return :
          193 +        set_notifmode(4, ksym);
          194 +        term.c.x = cu.x, term.c.y = cu.y;
          195 +        select_or_drawcursor(selectsearch_mode = 0, type);
          196 +        in_use = quant = 0;
          197 +        return MODE_KBDSELECT;
          198 +    case XK_n :
          199 +    case XK_N :
          200 +        if ( ptarget )
          201 +            search(selectsearch_mode, &target[0], ptarget, (ksym == XK_n) ? -1 : 1, type, &cu);
          202 +        break;
          203 +    case XK_BackSpace :
          204 +        term.c.x = 0;
          205 +        select_or_drawcursor(selectsearch_mode, type);
          206 +        break;
          207 +    case XK_dollar :
          208 +        term.c.x = term.col - 1;
          209 +        select_or_drawcursor(selectsearch_mode, type);
          210 +        break;
          211 +    case XK_Home :
          212 +        term.c.x = 0, term.c.y = 0;
          213 +        select_or_drawcursor(selectsearch_mode, type);
          214 +        break;
          215 +    case XK_End :
          216 +        term.c.x = cu.x, term.c.y = cu.y;
          217 +        select_or_drawcursor(selectsearch_mode, type);
          218 +        break;
          219 +    case XK_Page_Up :
          220 +    case XK_Page_Down :
          221 +        term.c.y = (ksym == XK_Prior ) ? 0 : cu.y;
          222 +        select_or_drawcursor(selectsearch_mode, type);
          223 +        break;
          224 +    case XK_exclam :
          225 +        term.c.x = term.col >> 1;
          226 +        select_or_drawcursor(selectsearch_mode, type);
          227 +        break;
          228 +    case XK_asterisk :
          229 +    case XK_KP_Multiply :
          230 +        term.c.x = term.col >> 1;
          231 +    case XK_underscore :
          232 +        term.c.y = cu.y >> 1;
          233 +        select_or_drawcursor(selectsearch_mode, type);
          234 +        break;
          235 +    default :
          236 +        if ( ksym >= XK_0 && ksym <= XK_9 ) {               /* 0-9 keyboard */
          237 +            quant = (quant * 10) + (ksym ^ XK_0);
          238 +            return 0;
          239 +        }
          240 +        else if ( ksym >= XK_KP_0 && ksym <= XK_KP_9 ) {    /* 0-9 numpad */
          241 +            quant = (quant * 10) + (ksym ^ XK_KP_0);
          242 +            return 0;
          243 +        }
          244 +        else if ( ksym == XK_k || ksym == XK_h )
          245 +            i = ksym & 1;
          246 +        else if ( ksym == XK_l || ksym == XK_j )
          247 +            i = ((ksym & 6) | 4) >> 1;
          248 +        else if ( (XK_Home & ksym) != XK_Home || (i = (ksym ^ XK_Home) - 1) > 3 )
          249 +            break;
          250 +
          251 +        xy = (i & 1) ? &term.c.y : &term.c.x;
          252 +        sens = (i & 2) ? 1 : -1;
          253 +        bound = (i >> 1 ^ 1) ? 0 : (i ^ 3) ? term.col - 1 : term.bot;
          254 +
          255 +        if ( quant == 0 )
          256 +            quant++;
          257 +
          258 +        if ( *xy == bound && ((sens < 0 && bound == 0) || (sens > 0 && bound > 0)) )
          259 +            break;
          260 +
          261 +        *xy += quant * sens;
          262 +        if ( *xy < 0 || ( bound > 0 && *xy > bound) )
          263 +            *xy = bound;
          264 +
          265 +        select_or_drawcursor(selectsearch_mode, type);
          266 +    }
          267 +    quant = 0;
          268 +    return 0;
          269 +}
          270 diff --git a/st.h b/st.h
          271 index 4da3051..22125e4 100644
          272 --- a/st.h
          273 +++ b/st.h
          274 @@ -109,6 +109,7 @@ size_t utf8encode(Rune, char *);
          275  void *xmalloc(size_t);
          276  void *xrealloc(void *, size_t);
          277  char *xstrdup(char *);
          278 +int trt_kbdselect(KeySym, char *, int);
          279  
          280  /* config.h globals */
          281  extern char *utmp;
          282 diff --git a/win.h b/win.h
          283 index a6ef1b9..a240783 100644
          284 --- a/win.h
          285 +++ b/win.h
          286 @@ -21,6 +21,7 @@ enum win_mode {
          287          MODE_NUMLOCK     = 1 << 17,
          288          MODE_MOUSE       = MODE_MOUSEBTN|MODE_MOUSEMOTION|MODE_MOUSEX10\
          289                            |MODE_MOUSEMANY,
          290 +    MODE_KBDSELECT   = 1 << 18,
          291  };
          292  
          293  void xbell(void);
          294 @@ -36,4 +37,6 @@ void xsetmode(int, unsigned int);
          295  void xsetpointermotion(int);
          296  void xsetsel(char *);
          297  int xstartdraw(void);
          298 +void toggle_winmode(int);
          299 +void keyboard_select(const Arg *);
          300  void xximspot(int, int);
          301 diff --git a/x.c b/x.c
          302 index 5828a3b..5221641 100644
          303 --- a/x.c
          304 +++ b/x.c
          305 @@ -1731,6 +1731,13 @@ kpress(XEvent *ev)
          306                  return;
          307  
          308          len = XmbLookupString(xw.xic, e, buf, sizeof buf, &ksym, &status);
          309 +    if ( IS_SET(MODE_KBDSELECT) ) {
          310 +                if ( match(XK_NO_MOD, e->state) ||
          311 +            (XK_Shift_L | XK_Shift_R) & e->state )
          312 +            win.mode ^= trt_kbdselect(ksym, buf, len);
          313 +                return;
          314 +    }
          315 +
          316          /* 1. shortcuts */
          317          for (bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) {
          318                  if (ksym == bp->keysym && match(bp->mod, e->state)) {
          319 @@ -1914,6 +1921,14 @@ usage(void)
          320              " [stty_args ...]\n", argv0, argv0);
          321  }
          322  
          323 +void toggle_winmode(int flag) {
          324 +        win.mode ^= flag;
          325 +}
          326 +
          327 +void keyboard_select(const Arg *dummy) {
          328 +    win.mode ^= trt_kbdselect(-1, NULL, 0);
          329 +}
          330 +
          331  int
          332  main(int argc, char *argv[])
          333  {
          334 -- 
          335 2.17.1
          336