diff --git a/Makefile b/Makefile index 470ac86..6688a58 100644 --- a/Makefile +++ b/Makefile @@ -21,7 +21,7 @@ config.h: .c.o: $(CC) $(STCFLAGS) -c $< -st.o: config.h st.h win.h +st.o: config.h st.h win.h normalMode.h normalMode.c utils.h x.o: arg.h config.h st.h win.h $(OBJ): config.h config.mk diff --git a/config.def.h b/config.def.h index 6f05dce..16cb5e1 100644 --- a/config.def.h +++ b/config.def.h @@ -131,6 +131,21 @@ unsigned int defaultfg = 7; unsigned int defaultbg = 0; static unsigned int defaultcs = 256; static unsigned int defaultrcs = 257; +unsigned int const currentBg = 6, buffSize = 2048; +/// Enable double / triple click yanking / selection of word / line. +int const mouseYank = 1, mouseSelect = 0; +/// [Vim Browse] Colors for search results currently on screen. +unsigned int const highlightBg = 160, highlightFg = 15; +char const wDelS[] = "!\"#$%&'()*+,-./:;<=>?@[\\]^`{|}~", wDelL[] = " \t"; +char *nmKeys [] = { ///< Shortcusts executed in normal mode + "R/Building\nN", "r/Building\n", "X/juli@machine\nN", "x/juli@machine\n", + "Q?[Leaving vim, starting execution]\n","F/: error:\nN", "f/: error:\n", "DQf" +}; +unsigned int const amountNmKeys = sizeof(nmKeys) / sizeof(*nmKeys); +/// Style of the {command, search} string shown in the right corner (y,v,V,/) +Glyph styleSearch = {' ', ATTR_ITALIC | ATTR_BOLD_FAINT, 7, 16}; +Glyph style[] = {{' ',ATTR_ITALIC|ATTR_FAINT,15,16}, {' ',ATTR_ITALIC,232,11}, + {' ', ATTR_ITALIC, 232, 4}, {' ', ATTR_ITALIC, 232, 12}}; /* * Default shape of cursor @@ -199,6 +214,7 @@ static Shortcut shortcuts[] = { { TERMMOD, XK_Y, selpaste, {.i = 0} }, { ShiftMask, XK_Insert, selpaste, {.i = 0} }, { TERMMOD, XK_Num_Lock, numlock, {.i = 0} }, + { MODKEY, XK_c, normalMode, {.i = 0} }, }; /* diff --git a/normalMode.c b/normalMode.c new file mode 100644 index 0000000..f0c7e30 --- /dev/null +++ b/normalMode.c @@ -0,0 +1,284 @@ +#include +#include + +#include "normalMode.h" +#include "utils.h" + +extern Glyph const styleSearch, style[]; +extern char const wDelS[], wDelL[], *nmKeys[]; +extern unsigned int bg[], fg, currentBg, highlightBg, highlightFg, amountNmKeys; + +typedef struct { int p[3]; } Pos; + +typedef enum {visual='v', visualLine='V', yank = 'y'} Op; +typedef enum {infix_none=0, infix_i='i', infix_a='a'} Infix; +typedef enum {fw='/', bw='?'} Search; +struct NormalModeState { + struct OperationState { Op op; Infix infix; } cmd; + struct MotionState { uint32_t c; int active; Pos searchPos; Search search; } m; +} defaultNormalMode, state; + +DynamicArray searchStr=UTF8_ARRAY, cCmd=UTF8_ARRAY, lCmd=UTF8_ARRAY; +Glyph styleCmd; +char posBuffer[10], braces[6][3] = { {"()"}, {"<>"}, {"{}"}, {"[]"}, {"\"\""}, {"''"}}; +int exited=1, overlay=1; +static inline Rune cChar() { return term.line[term.c.y][term.c.x].u; } +static inline int pos(int p, int h) {return IS_SET(MODE_ALTSCREEN)?p:rangeY(p+h*histOff-insertOff);} +static inline int contains(Rune l, char const * values, size_t const memSize) { + for (uint32_t i = 0; i < memSize; ++i) if (l == values[i]) return 1; + return 0; +} +static inline void decodeTo(char const *cs, size_t len, DynamicArray *arr) { + char *var = expand(arr); + if (!var) empty(arr); else utf8decode(cs, (Rune*)(var), len); +} +static inline void applyPos(Pos p) { + term.c.x = p.p[0], term.c.y = p.p[1]; + if (!IS_SET(MODE_ALTSCREEN) && histOp) term.line = &buf[histOff = p.p[2]]; +} +/// Find string in history buffer, and provide string-match-lookup for highlighting matches +static int highlighted(int x, int y) { + int const s=term.row*term.col, i=y*term.col+x, sz=size(&searchStr); + return sz && i0)==cChar())?wIdx+1:0; + if (wi && !wIdx) historyMove(-(int)(s*wi), 0, 0); + } + if (wIdx == strSz && wIdx) historyMove(-(int)(s*strSz), 0, 0); + else applyPos(p); + markSearchMatches(all); + return wIdx == strSz; +} +/// Execute series of normal-mode commands from char array / decoded from dynamic array +ExitState pressKeys(char const* s, size_t e) { + ExitState x=success; + for (size_t i=0; iu = *((Rune*)(st->content + (size(st)+x-xEnd)*st->elSize)); +} +/// Expand "infix" expression: for instance (w =>) l b | | v e | | y +static ExitState expandExpression(char l) { // ({ =>) l ? { \n | l | v / } \n | h | y + int a=state.cmd.infix==infix_a, yank=state.cmd.op=='y', lc=tolower(l), found=1; + state.cmd.infix = infix_none; + if(!yank && state.cmd.op!=visual && state.cmd.op!=visualLine) return failed; + char mot[11] = {'l', 0, 'b', 0, 0, 'v', 0, 'e', 0, 0, (char)(yank ? 'y' : 0)}; + if (lc == 'w') mot[2] = (char) ('b' - lc + l), mot[7] = (char) ((a ? 'w' : 'e') - lc + l), mot[9]=(char)(a?'h':0); + else { + mot[1]='?', mot[3]=mot[8]='\n', mot[6]='/', mot[4]=(char)(a?0:'l'), mot[9]=(char)(a?0:'h'); + for (int i=found=0; !found && i < 6; ++i) + if ((found=contains(l,braces[i],2))) mot[2]=braces[i][0], mot[7]=braces[i][1]; + } + if (!found) return failed; + assign(&lCmd, &cCmd); + empty(&cCmd); + state.cmd = defaultNormalMode.cmd; + return pressKeys(mot, 11); +} + +ExitState executeMotion(char const cs, KeySym const *const ks) { + state.m.c = state.m.c < 1u ? 1u : state.m.c; + if (ks && *ks == XK_d) historyMove(0, 0, term.row / 2); + else if (ks && *ks == XK_u) historyMove(0, 0, -term.row / 2); + else if (ks && *ks == XK_f) historyMove(0, 0, term.row-1+(term.c.y=0)); + else if (ks && *ks == XK_b) historyMove(0, 0, -(term.c.y=term.row-1)); + else if (ks && *ks == XK_h) overlay = !overlay; + else if (cs == 'K') historyMove(0, 0, -(int)state.m.c); + else if (cs == 'J') historyMove(0, 0, (int)state.m.c); + else if (cs == 'k') historyMove(0, -(int)state.m.c, 0); + else if (cs == 'j') historyMove(0, (int)state.m.c, 0); + else if (cs == 'h') historyMove(-(int)state.m.c, 0, 0); + else if (cs == 'l') historyMove( (int)state.m.c, 0, 0); + else if (cs == 'H') term.c.y = 0; + else if (cs == 'M') term.c.y = term.bot / 2; + else if (cs == 'L') term.c.y = term.bot; + else if (cs == 's' || cs == 'S') altToggle = cs == 's' ? !altToggle : 1; + else if (cs == 'G' || cs == 'g') { + if (cs == 'G') term.c = c[0] = c[IS_SET(MODE_ALTSCREEN)+1]; + if (!IS_SET(MODE_ALTSCREEN)) term.line = &buf[histOff=insertOff]; + } else if (cs == '0') term.c.x = 0; + else if (cs == '$') term.c.x = term.col-1; + else if (cs == 't') sel.type = sel.type==SEL_REGULAR ? SEL_RECTANGULAR : SEL_REGULAR; + else if (cs == 'n' || cs == 'N') { + int const d = ((cs=='N')!=(state.m.search==bw))?-1:1; + for (uint32_t i = state.m.c; i && findString(d, 0); --i); + } else if (contains(cs, "wWeEbB", 6)) { + int const low=cs<=90, off=tolower(cs)!='w', sgn=(tolower(cs)=='b')?-1:1; + size_t const l=strlen(wDelL), s=strlen(wDelS), maxIt=rows()*term.col; + for (int it=0, on=0; state.m.c > 0 && it < maxIt; ++it) { + // If an offset is to be performed in beginning or not in beginning, move in history. + if ((off || it) && historyMove(sgn, 0, 0)) break; + // Determine if the category of the current letter changed since last iteration. + int n = 1<<(contains(cChar(),wDelS,s) ?(2-low) :!contains(cChar(),wDelL,l)), + found = (on|=n)^n && ((off ?on^n :n)!=1); + // If a reverse offset is to be performed and this is the last letter: + if (found && off) historyMove(-sgn, 0, 0); + // Terminate iteration: reset #it and old n value #on and decrease operation count: + if (found) it=-1, on=0, --state.m.c; + } + } else return failed; + state.m.c = 0; + return state.cmd.op == yank ? exitMotion : success; +} + +ExitState kPressHist(char const *cs, size_t len, int ctrl, KeySym const *kSym) { + historyOpToggle(1, 1); + int const prevYOff=IS_SET(MODE_ALTSCREEN)?0:histOff, search=state.m.search&&state.m.active, + prevAltToggle=altToggle, prevOverlay=overlay; + int const noOp=!state.cmd.op&&!state.cmd.infix, num=len==1&&BETWEEN(cs[0],48,57), + esc=kSym&&*kSym==XK_Escape, ret=(kSym&&*kSym==XK_Return)||(len==1&&cs[0]=='\n'), + quantifier=num&&(cs[0]!='0'||state.m.c), ins=!search &&noOp &&len &&cs[0]=='i'; + exited = 0; + ExitState result = success; + if (esc || ret || ins) { result = exitMotion, len = 0; + } else if (kSym && *kSym == XK_BackSpace) { + if ((search || state.m.c) && size(&cCmd)) pop(&cCmd); + if (search) { + if (size(&searchStr)) pop(&searchStr); + else result = exitMotion; + if (!size(&searchStr)) tfulldirt(); + applyPos(state.m.searchPos); + findString(state.m.search==fw ? 1 : -1, 1); + } else if (state.m.c) state.m.c /= 10; + len = 0; + } else if (search) { + if (len >= 1) decodeTo(cs, len, &searchStr); + applyPos(state.m.searchPos); + findString(state.m.search==fw ? 1 : -1, 1); + } else if (len == 0) { result = failed; + } else if (quantifier) { state.m.c = min(SHRT_MAX, (int)state.m.c*10+cs[0]-48); + } else if (state.cmd.infix && state.cmd.op && (result = expandExpression(cs[0]), len=0)) { + } else if (cs[0] == 'd') { state = defaultNormalMode; result = exitMotion; state.m.active = 1; + } else if (cs[0] == '.') { + if (size(&cCmd)) assign(&lCmd, &cCmd); + empty(&cCmd); + executeCommand((uint32_t*) lCmd.content, size(&lCmd)); + empty(&cCmd); + len = 0; + } else if (cs[0] == 'r') { tfulldirt(); + } else if (cs[0] == 'c') { + empty(&lCmd); + empty(&cCmd); + empty(&searchStr); + tfulldirt(); + len = 0; + } else if (cs[0] == fw || cs[0] == bw) { + empty(&searchStr); + state.m.search = (Search) cs[0]; + state.m.searchPos = (Pos){.p={term.c.x, term.c.y, prevYOff}}; + state.m.active = 1; + } else if (cs[0]==infix_i || cs[0]==infix_a) { state.cmd.infix=(Infix) cs[0]; + } else if (cs[0] == 'y') { + if (state.cmd.op) { + result = (state.cmd.op == yank || state.cmd.op == visualLine) ? exitOp : exitMotion; + if (state.cmd.op == yank) selstart(0, term.c.y, 0); + } else selstart(term.c.x, term.c.y, 0); + state.cmd.op = yank; + } else if (cs[0] == visual || cs[0] == visualLine) { + if (state.cmd.op != (Op) cs[0]) { + state.cmd = defaultNormalMode.cmd; + state.cmd.op = (Op) cs[0]; + selstart(cs[0] == visualLine ?0 :term.c.x, term.c.y, 0); + } else result = exitOp; + } else if (!(result =executeMotion((char) (len?cs[0]:0), ctrl?kSym:NULL))) { + result=failed; + for (size_t i = 0; !ctrl && i < amountNmKeys; ++i) + if (cs[0]==nmKeys[i][0] && + failed!=(result=pressKeys(&nmKeys[i][1], strlen(nmKeys[i])-1))) goto end; + } // Operation/Motion finished if valid: update cmd string, extend selection, update search + if (result != failed) { + if (len == 1 && !ctrl) decodeTo(cs, len, &cCmd); + if ((state.cmd.op == visualLine) || ((state.cmd.op == yank) && (result == exitOp))) { + int const off = term.c.y + (IS_SET(MODE_ALTSCREEN) ? 0 : histOff) < sel.ob.y; //< Selection start below end. + sel.ob.x = off ? term.col - 1 : 0; + selextend(off ? 0 : term.col-1, term.c.y, sel.type, 0); + } else if (sel.oe.x != -1) { + selextend(term.c.x, term.c.y, sel.type, 0); + } + } // Set repaint for motion or status bar + if (!IS_SET(MODE_ALTSCREEN) && prevYOff != histOff) tfulldirt(); + // Terminate Motion / operation if thus indicated + if (result == exitMotion) { + if (!state.m.active) result = (exited=noOp) ? finish : exitOp; + state.m.active = (int) (state.m.c = 0u); + } + if (result == exitOp || result == finish) { + if (state.cmd.op == yank) { + xsetsel(getsel()); + xclipcopy(); + } + state = defaultNormalMode; + selclear(); + if (!esc) assign(&lCmd, &cCmd); + empty(&cCmd); + } // Update the content displayed in the history overlay + styleCmd = style[state.cmd.op==yank ? 1 : (state.cmd.op==visual ? 2 : + (state.cmd.op==visualLine ? 3 :0))]; + int const posLin = !IS_SET(MODE_ALTSCREEN) ? rangeY(insertOff-histOff):0, h=rows()-term.row; + if (!posLin || posLin==h || !h) strcpy(posBuffer, posLin ? " [BOT] " : " [TOP] "); + else sprintf(posBuffer, " % 3d%c ", min(100, max(0, (int)(.5 + posLin * 100. / h))),'%'); + if ((overlay || overlay!=prevOverlay) && term.col>9 && term.row>4) { + if (!term.dirty[term.row-1]) xdrawline(term.line[term.row-1], term.col*2/3, term.row-1, term.col-1); + if (!term.dirty[term.row-2]) xdrawline(term.line[term.row-2], term.col*2/3, term.row-2, term.col-1); + } + if (result==finish) altToggle = 0; + if (altToggle != prevAltToggle) tswapscreen(); +end: + historyOpToggle(-1, 1); + return result; +} + +void historyOverlay(int x, int y, Glyph* g) { + if (!histMode) return; + TCursor const *cHist = histOp ? &term.c : &c[0]; + if(overlay && term.col > 9 && term.row > 4 && (x > (2*term.col/3)) && (y >= (term.row-2))) { + *g = (y == term.row - 2) ? styleSearch : styleCmd; + if (y == term.row-2) getChar(&searchStr, g, term.row-2, term.col-2, term.col/3, x); + else if (x > term.col - 7) g->u = (Rune)(posBuffer[x - term.col + 7]); + else getChar(size(&cCmd) ?&cCmd :&lCmd, g, term.row-1, term.col-7, term.col/3-6, x); + } else if (highlighted(x, y)) g->bg = highlightBg, g->fg = highlightFg; + else if ((x==cHist->x) ^ (y==cHist->y)) g->bg = currentBg; + else if (x==cHist->x) g->mode^=ATTR_REVERSE; +} +void historyPreDraw() { + static Pos op = {.p={0, 0, 0}}; + historyOpToggle(1, 0); + // Draw the cursor cross if changed + if (term.c.y >= term.row || op.p[1] >= term.row) tfulldirt(); + else if (exited || (op.p[1] != term.c.y)) term.dirty[term.c.y] = term.dirty[op.p[1]] = 1; + for (int i=0; (exited || term.c.x != op.p[0]) && i #include #include #include @@ -42,6 +43,8 @@ #define ISCONTROLC1(c) (BETWEEN(c, 0x80, 0x9f)) #define ISCONTROL(c) (ISCONTROLC0(c) || ISCONTROLC1(c)) #define ISDELIM(u) (u && wcschr(worddelimiters, u)) +static inline int max(int a, int b) { return a > b ? a : b; } +static inline int min(int a, int b) { return a < b ? a : b; } enum term_mode { MODE_WRAP = 1 << 0, @@ -95,6 +98,7 @@ typedef struct { int mode; int type; int snap; + int swap; /* * Selection variables: * nb – normalized coordinates of the beginning of the selection @@ -178,7 +182,6 @@ static void tdeleteline(int); static void tinsertblank(int); static void tinsertblankline(int); static int tlinelen(int); -static void tmoveto(int, int); static void tmoveato(int, int); static void tnewline(int); static void tputtab(int); @@ -205,7 +208,6 @@ static void drawregion(int, int, int, int); static void selnormalize(void); static void selscroll(int, int); -static void selsnap(int *, int *, int); static size_t utf8decode(const char *, Rune *, size_t); static Rune utf8decodebyte(char, size_t *); @@ -231,6 +233,14 @@ static uchar utfmask[UTF_SIZ + 1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8}; static Rune utfmin[UTF_SIZ + 1] = { 0, 0, 0x80, 0x800, 0x10000}; static Rune utfmax[UTF_SIZ + 1] = {0x10FFFF, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF}; +int buffCols; +extern int const buffSize; +int histOp, histMode, histOff, insertOff, altToggle, *mark; +Line *buf = NULL; +static TCursor c[3]; +static inline int rows() { return IS_SET(MODE_ALTSCREEN) ? term.row : buffSize;} +static inline int rangeY(int i) { while (i < 0) i += rows(); return i % rows();} + ssize_t xwrite(int fd, const char *s, size_t len) { @@ -423,6 +433,118 @@ tlinelen(int y) return i; } +void historyOpToggle(int start, int paint) { + if ((!histOp == !(histOp + start)) && ((histOp += start) || 1)) return; + if (histMode && paint && (!IS_SET(MODE_ALTSCREEN) || altToggle)) draw(); + tcursor(CURSOR_SAVE); + histOp += start; + if (histMode && altToggle) { + tswapscreen(); + memset(term.dirty,0,sizeof(*term.dirty)*term.row); + } + tcursor(CURSOR_LOAD); + *(!IS_SET(MODE_ALTSCREEN)?&term.line:&term.alt)=&buf[histOp?histOff:insertOff]; +} + +void historyModeToggle(int start) { + if (!(histMode = (histOp = !!start))) { + selnormalize(); + tfulldirt(); + } else { + tcursor(CURSOR_SAVE); + histOp = 0; + histOff = insertOff; + } +} + +int historyBufferScroll(int n) { + if (IS_SET(MODE_ALTSCREEN) || !n) return histOp; + int p=abs(n=(n<0) ? max(n,-term.row) : min(n,term.row)), r=term.row-p, + s=sizeof(*term.dirty), *ptr=histOp?&histOff:&insertOff; + if (!histMode || histOp) tfulldirt(); else { + memmove(&term.dirty[-min(n,0)], &term.dirty[max(n,0)], s*r); + memset(&term.dirty[n>0 ? r : 0], 0, s * p); + } + term.line = &buf[*ptr = (buffSize+*ptr+n) % buffSize]; + // Cut part of selection removed from buffer, and update sel.ne/b. + int const prevOffBuf = sel.alt ? 0 : insertOff + term.row; + if (sel.ob.x != -1 && !histOp && n) { + int const offBuf = sel.alt ? 0 : insertOff + term.row, + pb = rangeY(sel.ob.y - prevOffBuf), + pe = rangeY(sel.oe.y - prevOffBuf); + int const b = rangeY(sel.ob.y - offBuf), nln = n < 0, + e = rangeY(sel.oe.y - offBuf), last = offBuf - nln; + if (pb != b && ((pb < b) != nln)) sel.ob.y = last; + if (pe != e && ((pe < e) != nln)) sel.oe.y = last; + if (sel.oe.y == last && sel.ob.y == last) selclear(); + } + selnormalize(); + // Clear the new region exposed by the shift. + if (!histOp) tclearregion(0, n>0?r+1:0, buffCols-1, n>0?term.row:p-1); + return 1; +} + +int historyMove(int x, int y, int ly) { + historyOpToggle(1, 1); + y += ((term.c.x += x) < 0 ?term.c.x-term.col :term.c.x) / term.col;//< x + if ((term.c.x %= term.col) < 0) term.c.x += term.col; + if ((term.c.y += y) >= term.row) ly += term.c.y - term.row + 1; //< y + else if (term.c.y < 0) ly += term.c.y; + term.c.y = MIN(MAX(term.c.y, 0), term.row - 1); + // Check if scroll is necessary / arrived at top / bottom of terminal history + int t = 0, b = 0, finTop = ly < 0, finBot = ly > 0; + if (!IS_SET(MODE_ALTSCREEN)) { + b=rangeY(insertOff-histOff), t=-rangeY(-term.row-(insertOff-histOff)); + finBot = ly > b, finTop=histMode&&((-ly>-t)); + } + if ((finTop || finBot) && (x||y)) term.c.x = finBot ? term.col-1 : 0; + historyBufferScroll(finBot ? b : (finTop ? t : ly)); + historyOpToggle(-1, 1); + return finTop || finBot; +} + +#include "normalMode.c" + +void selnormalize(void) { + historyOpToggle(1, 1); + + int const oldb = sel.nb.y, olde = sel.ne.y; + if (sel.ob.x == -1) { + sel.ne.y = sel.nb.y = -1; + } else { + int const offsetBuffer = sel.alt ? 0 : insertOff + term.row; + int const off = sel.alt ? 0 : (histMode ? histOff : insertOff); + int const nby = rangeY(sel.ob.y - off), + ney = rangeY(sel.oe.y - off); + sel.swap = rangeY(sel.ob.y - offsetBuffer) + > rangeY(sel.oe.y - offsetBuffer); + sel.nb.y = sel.swap ? ney : nby; + sel.ne.y = !sel.swap ? ney : nby; + int const cnb = sel.nb.y < term.row, cne = sel.ne.y < term.row; + if (sel.type == SEL_REGULAR && sel.ob.y != sel.oe.y) { + if (cnb) sel.nb.x = (!sel.swap) ? sel.ob.x : sel.oe.x; + if (cne) sel.ne.x = (!sel.swap) ? sel.oe.x : sel.ob.x; + } else { + if (cnb) sel.nb.x = MIN(sel.ob.x, sel.oe.x); + if (cne) sel.ne.x = MAX(sel.ob.x, sel.oe.x); + } + } + int const nBet=sel.nb.y<=sel.ne.y, oBet=oldb<=olde; + for (int i = 0; i < term.row; ++i) { + int const n = nBet ? BETWEEN(i, sel.nb.y, sel.ne.y) + : OUT(i, sel.nb.y, sel.ne.y); + term.dirty[i] |= (sel.type == SEL_RECTANGULAR && n) || + (n != (oBet ? BETWEEN(i,oldb,olde) : OUT(i,oldb,olde))); + + } + if (BETWEEN(oldb, 0, term.row - 1)) term.dirty[oldb] = 1; + if (BETWEEN(olde, 0, term.row - 1)) term.dirty[olde] = 1; + if (BETWEEN(sel.nb.y, 0, term.row - 1)) term.dirty[sel.nb.y] = 1; + if (BETWEEN(sel.ne.y, 0, term.row - 1)) term.dirty[sel.ne.y] = 1; + + historyOpToggle(-1, 1); +} + void selstart(int col, int row, int snap) { @@ -432,19 +554,14 @@ selstart(int col, int row, int snap) sel.alt = IS_SET(MODE_ALTSCREEN); sel.snap = snap; sel.oe.x = sel.ob.x = col; - sel.oe.y = sel.ob.y = row; + sel.oe.y = sel.ob.y = row + !sel.alt * (histMode ? histOff : insertOff); + if (sel.snap != 0) sel.mode = SEL_READY; selnormalize(); - - if (sel.snap != 0) - sel.mode = SEL_READY; - tsetdirt(sel.nb.y, sel.ne.y); } void selextend(int col, int row, int type, int done) { - int oldey, oldex, oldsby, oldsey, oldtype; - if (sel.mode == SEL_IDLE) return; if (done && sel.mode == SEL_EMPTY) { @@ -452,51 +569,13 @@ selextend(int col, int row, int type, int done) return; } - oldey = sel.oe.y; - oldex = sel.oe.x; - oldsby = sel.nb.y; - oldsey = sel.ne.y; - oldtype = sel.type; - sel.oe.x = col; - sel.oe.y = row; + sel.oe.y = row + (sel.alt ? 0 : (histMode ? histOff : insertOff)); selnormalize(); sel.type = type; - - if (oldey != sel.oe.y || oldex != sel.oe.x || oldtype != sel.type || sel.mode == SEL_EMPTY) - tsetdirt(MIN(sel.nb.y, oldsby), MAX(sel.ne.y, oldsey)); - sel.mode = done ? SEL_IDLE : SEL_READY; } -void -selnormalize(void) -{ - int i; - - if (sel.type == SEL_REGULAR && sel.ob.y != sel.oe.y) { - sel.nb.x = sel.ob.y < sel.oe.y ? sel.ob.x : sel.oe.x; - sel.ne.x = sel.ob.y < sel.oe.y ? sel.oe.x : sel.ob.x; - } else { - sel.nb.x = MIN(sel.ob.x, sel.oe.x); - sel.ne.x = MAX(sel.ob.x, sel.oe.x); - } - sel.nb.y = MIN(sel.ob.y, sel.oe.y); - sel.ne.y = MAX(sel.ob.y, sel.oe.y); - - selsnap(&sel.nb.x, &sel.nb.y, -1); - selsnap(&sel.ne.x, &sel.ne.y, +1); - - /* expand selection over line breaks */ - if (sel.type == SEL_RECTANGULAR) - return; - i = tlinelen(sel.nb.y); - if (i < sel.nb.x) - sel.nb.x = i; - if (tlinelen(sel.ne.y) <= sel.ne.x) - sel.ne.x = term.col - 1; -} - int selected(int x, int y) { @@ -508,119 +587,47 @@ selected(int x, int y) return BETWEEN(y, sel.nb.y, sel.ne.y) && BETWEEN(x, sel.nb.x, sel.ne.x); - 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 -selsnap(int *x, int *y, int direction) -{ - int newx, newy, xt, yt; - int delim, prevdelim; - Glyph *gp, *prevgp; - - switch (sel.snap) { - case SNAP_WORD: - /* - * Snap around if the word wraps around at the end or - * beginning of a line. - */ - prevgp = &term.line[*y][*x]; - prevdelim = ISDELIM(prevgp->u); - for (;;) { - newx = *x + direction; - newy = *y; - if (!BETWEEN(newx, 0, term.col - 1)) { - newy += direction; - newx = (newx + term.col) % term.col; - if (!BETWEEN(newy, 0, term.row - 1)) - break; - - if (direction > 0) - yt = *y, xt = *x; - else - yt = newy, xt = newx; - if (!(term.line[yt][xt].mode & ATTR_WRAP)) - break; - } - - if (newx >= tlinelen(newy)) - break; - - gp = &term.line[newy][newx]; - delim = ISDELIM(gp->u); - if (!(gp->mode & ATTR_WDUMMY) && (delim != prevdelim - || (delim && gp->u != prevgp->u))) - break; - - *x = newx; - *y = newy; - prevgp = gp; - prevdelim = delim; - } - break; - case SNAP_LINE: - /* - * Snap around if the the previous line or the current one - * has set ATTR_WRAP at its end. Then the whole next or - * previous line will be selected. - */ - *x = (direction < 0) ? 0 : term.col - 1; - if (direction < 0) { - for (; *y > 0; *y += direction) { - if (!(term.line[*y-1][term.col-1].mode - & ATTR_WRAP)) { - break; - } - } - } else if (direction > 0) { - for (; *y < term.row-1; *y += direction) { - if (!(term.line[*y][term.col-1].mode - & ATTR_WRAP)) { - break; - } - } - } - break; - } + return ((sel.nb.y > sel.ne.y) ? OUT(y, sel.nb.y, sel.ne.y) + : BETWEEN(y, sel.nb.y, sel.ne.y)) && + (y != sel.nb.y || x >= sel.nb.x) && + (y != sel.ne.y || x <= sel.ne.x); } char * getsel(void) { char *str, *ptr; - int y, bufsize, lastx, linelen; + int y, yy, bufsize, lastx; Glyph *gp, *last; if (sel.ob.x == -1) return NULL; - bufsize = (term.col+1) * (sel.ne.y-sel.nb.y+1) * UTF_SIZ; + int const start = sel.swap ? sel.oe.y : sel.ob.y, h = rows(); + int endy = (sel.swap ? sel.ob.y : sel.oe.y); + for (; endy < start; endy += h); + Line * const cbuf = IS_SET(MODE_ALTSCREEN) ? term.line : buf; + bufsize = (term.col+1) * (endy-start+1 ) * UTF_SIZ; + assert(bufsize > 0); ptr = str = xmalloc(bufsize); /* append every set & selected glyph to the selection */ - for (y = sel.nb.y; y <= sel.ne.y; y++) { - if ((linelen = tlinelen(y)) == 0) { - *ptr++ = '\n'; - continue; - } + for (y = start; y <= endy; y++) { + yy = y % h; if (sel.type == SEL_RECTANGULAR) { - gp = &term.line[y][sel.nb.x]; + gp = &cbuf[yy][sel.nb.x]; lastx = sel.ne.x; } else { - gp = &term.line[y][sel.nb.y == y ? sel.nb.x : 0]; - lastx = (sel.ne.y == y) ? sel.ne.x : term.col-1; + gp = &cbuf[yy][start == y ? sel.nb.x : 0]; + lastx = (endy == y) ? sel.ne.x : term.col-1; } - last = &term.line[y][MIN(lastx, linelen-1)]; - while (last >= gp && last->u == ' ') - --last; + last = &cbuf[yy][lastx]; + if (!(cbuf[yy][term.col - 1].mode & ATTR_WRAP)) + while (last > gp && last->u == ' ') --last; for ( ; gp <= last; ++gp) { - if (gp->mode & ATTR_WDUMMY) - continue; - + if (gp->mode & ATTR_WDUMMY) continue; ptr += utf8encode(gp->u, ptr); } @@ -633,7 +640,7 @@ getsel(void) * st. * FIXME: Fix the computer world. */ - if ((y < sel.ne.y || lastx >= linelen) && + if ((y < endy || lastx == term.col - 1) && (!(last->mode & ATTR_WRAP) || sel.type == SEL_RECTANGULAR)) *ptr++ = '\n'; } @@ -648,7 +655,7 @@ selclear(void) return; sel.mode = SEL_IDLE; sel.ob.x = -1; - tsetdirt(sel.nb.y, sel.ne.y); + selnormalize(); } void @@ -1000,8 +1007,7 @@ tfulldirt(void) void tcursor(int mode) { - static TCursor c[2]; - int alt = IS_SET(MODE_ALTSCREEN); + int alt = (histOp) ? 0 : (IS_SET(MODE_ALTSCREEN) + 1); if (mode == CURSOR_SAVE) { c[alt] = term.c; @@ -1061,6 +1067,7 @@ tswapscreen(void) void tscrolldown(int orig, int n) { + if (!orig && historyBufferScroll(-n)) return; int i; Line temp; @@ -1081,6 +1088,7 @@ tscrolldown(int orig, int n) void tscrollup(int orig, int n) { + if (!orig && historyBufferScroll(n)) return; int i; Line temp; @@ -1232,8 +1240,8 @@ tclearregion(int x1, int y1, int x2, int y2) if (y1 > y2) temp = y1, y1 = y2, y2 = temp; - LIMIT(x1, 0, term.col-1); - LIMIT(x2, 0, term.col-1); + LIMIT(x1, 0, buffCols-1); + LIMIT(x2, 0, buffCols-1); LIMIT(y1, 0, term.row-1); LIMIT(y2, 0, term.row-1); @@ -2394,8 +2402,6 @@ check_control_code: */ return; } - if (selected(term.c.x, term.c.y)) - selclear(); gp = &term.line[term.c.y][term.c.x]; if (IS_SET(MODE_WRAP) && (term.c.state & CURSOR_WRAPNEXT)) { @@ -2465,8 +2471,10 @@ void tresize(int col, int row) { int i; - int minrow = MIN(row, term.row); - int mincol = MIN(col, term.col); + int const colSet = col, alt = IS_SET(MODE_ALTSCREEN), ini = buf == NULL; + col = MAX(col, buffCols); + row = MIN(row, buffSize); + int const minrow = MIN(row, term.row), mincol = MIN(col, buffCols); int *bp; TCursor c; @@ -2475,6 +2483,7 @@ tresize(int col, int row) "tresize: error resizing to %dx%d\n", col, row); return; } + if (alt) tswapscreen(); /* * slide screen to keep cursor where we expect it - @@ -2482,48 +2491,54 @@ tresize(int col, int row) * memmove because we're freeing the earlier lines */ for (i = 0; i <= term.c.y - row; i++) { - free(term.line[i]); free(term.alt[i]); } /* ensure that both src and dst are not NULL */ if (i > 0) { - memmove(term.line, term.line + i, row * sizeof(Line)); memmove(term.alt, term.alt + i, row * sizeof(Line)); } for (i += row; i < term.row; i++) { - free(term.line[i]); free(term.alt[i]); } /* resize to new height */ - term.line = xrealloc(term.line, row * sizeof(Line)); + buf = xrealloc(buf, (buffSize + row) * sizeof(Line)); term.alt = xrealloc(term.alt, row * sizeof(Line)); term.dirty = xrealloc(term.dirty, row * sizeof(*term.dirty)); + mark = xrealloc(mark, col * row * sizeof(*mark)); term.tabs = xrealloc(term.tabs, col * sizeof(*term.tabs)); /* resize each row to new width, zero-pad if needed */ for (i = 0; i < minrow; i++) { - term.line[i] = xrealloc(term.line[i], col * sizeof(Glyph)); term.alt[i] = xrealloc(term.alt[i], col * sizeof(Glyph)); } /* allocate any new rows */ for (/* i = minrow */; i < row; i++) { - term.line[i] = xmalloc(col * sizeof(Glyph)); term.alt[i] = xmalloc(col * sizeof(Glyph)); } - if (col > term.col) { - bp = term.tabs + term.col; + if (col > buffCols) { + bp = term.tabs + buffCols; - memset(bp, 0, sizeof(*term.tabs) * (col - term.col)); + memset(bp, 0, sizeof(*term.tabs) * (col - buffCols)); while (--bp > term.tabs && !*bp) /* nothing */ ; for (bp += tabspaces; bp < term.tabs + col; bp += tabspaces) *bp = 1; } + Glyph g=(Glyph){.bg=term.c.attr.bg, .fg=term.c.attr.fg, .u=' ', .mode=0}; + for (i = 0; i < buffSize; ++i) { + buf[i] = xrealloc(ini ? NULL : buf[i], col*sizeof(Glyph)); + for (int j = ini ? 0 : buffCols; j < col; ++j) buf[i][j] = g; + } + for (i = 0; i < row; ++i) buf[buffSize + i] = buf[i]; + term.line = &buf[*(histOp?&histOff:&insertOff) +=MAX(term.c.y-row+1,0)]; + memset(mark, 0, col * row * sizeof(*mark)); /* update terminal size */ - term.col = col; + term.col = colSet; + buffCols = col; term.row = row; + if (alt) tswapscreen(); /* reset scrolling region */ tsetscroll(0, row-1); /* make use of the LIMIT in tmoveto */ @@ -2552,15 +2567,17 @@ resettitle(void) void drawregion(int x1, int y1, int x2, int y2) { + if (altToggle && histMode && !histOp) + memset(term.dirty, 0, sizeof(*term.dirty) * term.row); + int const o = !IS_SET(MODE_ALTSCREEN) && histMode && !histOp, h =rows(); int y; for (y = y1; y < y2; y++) { - if (!term.dirty[y]) - continue; - - term.dirty[y] = 0; - xdrawline(term.line[y], x1, y, x2); + int const oy = o ? (y + insertOff - histOff + h) % h : y; + if (!BETWEEN(oy, 0, term.row-1) || !term.dirty[y]) continue; + xdrawline(term.line[y], x1, oy, x2); } + memset(&term.dirty[y1], 0, sizeof(*term.dirty) * (y2 - y1)); } void @@ -2579,7 +2596,9 @@ draw(void) if (term.line[term.c.y][cx].mode & ATTR_WDUMMY) cx--; + if (histMode) historyPreDraw(); drawregion(0, 0, term.col, term.row); + if (!histMode) xdrawcursor(cx, term.c.y, term.line[term.c.y][cx], term.ocx, term.ocy, term.line[term.ocy][term.ocx]); term.ocx = cx; diff --git a/st.h b/st.h index 3d351b6..ad2915f 100644 --- a/st.h +++ b/st.h @@ -8,6 +8,7 @@ #define MAX(a, b) ((a) < (b) ? (b) : (a)) #define LEN(a) (sizeof(a) / sizeof(a)[0]) #define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b)) +#define OUT(x, a, b) ((a) <= (x) || (x) <= (b)) #define DIVCEIL(n, d) (((n) + ((d) - 1)) / (d)) #define DEFAULT(a, b) (a) = (a) ? (a) : (b) #define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x) @@ -89,6 +90,7 @@ void toggleprinter(const Arg *); int tattrset(int); void tnew(int, int); void tresize(int, int); +void tmoveto(int x, int y); void tsetdirtattr(int); void ttyhangup(void); int ttynew(char *, char *, char *, char **); diff --git a/utils.h b/utils.h new file mode 100644 index 0000000..ca435e6 --- /dev/null +++ b/utils.h @@ -0,0 +1,23 @@ +/// Dynamic memory-chunk, with (1) datatype size, (2/3) initialized / allocated chunk, (4) content +typedef struct { uint8_t const elSize; uint32_t init, alloc; char* content; } DynamicArray; +#define UTF8_ARRAY {4, 0, 0, NULL} + +static inline int p_alloc(DynamicArray *s, uint32_t amount) { + uint32_t const diff=s->init+s->elSize*amount-s->alloc, nas=s->alloc+max(diff,15)*s->elSize; + if (s->alloc < s->init + s->elSize * amount) { + char* tmp = realloc(s->content, nas); + if (!tmp) return 0; + s->alloc = nas, s->content = tmp; + } + return 1; +} +static inline char *view(DynamicArray * s, uint32_t i) { return s->content + i*s->elSize; } +static inline char *end(DynamicArray *s, uint32_t i) { return s->content +s->init-(i+1)*s->elSize; } +static inline uint32_t getU32(DynamicArray* s, uint32_t i, int b) { return *((uint32_t*) (b ?view(s,i) :end(s,i))); } +static char *expand(DynamicArray *s) { if (!p_alloc(s, 1)) return NULL; s->init += s->elSize; return end(s, 0); } +static inline void pop(DynamicArray* s) { s->init -= s->elSize; } +static inline void empty(DynamicArray* s) { s->init = 0; } +static inline int size(DynamicArray const * s) { return s->init / s->elSize; } +static inline void assign(DynamicArray* s, DynamicArray const *o) { + if (p_alloc(s, size(o))) memcpy(s->content, o->content, (s->init=o->init)); +} diff --git a/win.h b/win.h index a6ef1b9..cea19f3 100644 --- a/win.h +++ b/win.h @@ -19,6 +19,7 @@ enum win_mode { MODE_MOUSEMANY = 1 << 15, MODE_BRCKTPASTE = 1 << 16, MODE_NUMLOCK = 1 << 17, + MODE_NORMAL = 1 << 18, MODE_MOUSE = MODE_MOUSEBTN|MODE_MOUSEMOTION|MODE_MOUSEX10\ |MODE_MOUSEMANY, }; diff --git a/x.c b/x.c index 210f184..643e870 100644 --- a/x.c +++ b/x.c @@ -19,6 +19,7 @@ char *argv0; #include "arg.h" #include "st.h" #include "win.h" +#include "normalMode.h" /* types used in config.h */ typedef struct { @@ -261,6 +262,7 @@ clipcopy(const Arg *dummy) free(xsel.clipboard); xsel.clipboard = NULL; + xsetsel(getsel()); if (xsel.primary != NULL) { xsel.clipboard = xstrdup(xsel.primary); @@ -460,7 +462,6 @@ void bpress(XEvent *e) { struct timespec now; - int snap; if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forcemousemod)) { mousereport(e); @@ -476,17 +477,34 @@ bpress(XEvent *e) * snapping behaviour is exposed. */ clock_gettime(CLOCK_MONOTONIC, &now); - if (TIMEDIFF(now, xsel.tclick2) <= tripleclicktimeout) { - snap = SNAP_LINE; - } else if (TIMEDIFF(now, xsel.tclick1) <= doubleclicktimeout) { - snap = SNAP_WORD; + int const tripleClick = TIMEDIFF(now, xsel.tclick2) <= tripleclicktimeout, + doubleClick = TIMEDIFF(now, xsel.tclick1) <= doubleclicktimeout; + if ((mouseYank || mouseSelect) && (tripleClick || doubleClick)) { + if (!IS_SET(MODE_NORMAL)) normalMode(); + historyOpToggle(1, 1); + tmoveto(evcol(e), evrow(e)); + if (tripleClick) { + if (mouseYank) pressKeys("dVy", 3); + if (mouseSelect) pressKeys("dV", 2); + } else if (doubleClick) { + if (mouseYank) pressKeys("dyiW", 4); + if (mouseSelect) { + tmoveto(evcol(e), evrow(e)); + pressKeys("viW", 3); + } + } + historyOpToggle(-1, 1); } else { - snap = 0; + if (!IS_SET(MODE_NORMAL)) selstart(evcol(e), evrow(e), 0); + else { + historyOpToggle(1, 1); + tmoveto(evcol(e), evrow(e)); + pressKeys("v", 1); + historyOpToggle(-1, 1); + } } xsel.tclick2 = xsel.tclick1; xsel.tclick1 = now; - - selstart(evcol(e), evrow(e), snap); } } @@ -691,8 +709,7 @@ brelease(XEvent *e) if (mouseaction(e, 1)) return; - if (e->xbutton.button == Button1) - mousesel(e, 1); + if (e->xbutton.button == Button1 && !IS_SET(MODE_NORMAL)) mousesel(e, 1); } void @@ -772,6 +789,8 @@ xloadcolor(int i, const char *name, Color *ncolor) return XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, ncolor); } +void normalMode() { historyModeToggle((win.mode ^=MODE_NORMAL) & MODE_NORMAL); } + void xloadcols(void) { @@ -1225,8 +1244,10 @@ xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x for (i = 0, xp = winx, yp = winy + font->ascent; i < len; ++i) { /* Fetch rune and mode for current glyph. */ - rune = glyphs[i].u; - mode = glyphs[i].mode; + Glyph g = glyphs[i]; + historyOverlay(x+i, y, &g); + rune = g.u; + mode = g.mode; /* Skip dummy wide-character spacing. */ if (mode == ATTR_WDUMMY) @@ -1609,6 +1630,7 @@ xdrawline(Line line, int x1, int y1, int x2) i = ox = 0; for (x = x1; x < x2 && i < numspecs; x++) { new = line[x]; + historyOverlay(x, y1, &new); if (new.mode == ATTR_WDUMMY) continue; if (selected(x, y1)) @@ -1800,6 +1822,11 @@ 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_NORMAL)) { + if (kPressHist(buf, len, match(ControlMask, e->state), &ksym) + == finish) normalMode(); + return; + } /* 1. shortcuts */ for (bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) { if (ksym == bp->keysym && match(bp->mod, e->state)) {