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/** R : A Computer Langage for Statistical Data Analysis* Copyright (C) 1995, 1996 Robert Gentleman and Ross Ihaka* Copyright (C) 1998--2005 Robert Gentleman, Ross Ihaka and the* R Development Core Team** This program is free software; you can redistribute it and/or modify* it under the terms of the GNU General Public License as published by* the Free Software Foundation; either version 2 of the License, or* (at your option) any later version.** This program is distributed in the hope that it will be useful,* but WITHOUT ANY WARRANTY; without even the implied warranty of* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the* GNU General Public License for more details.** You should have received a copy of the GNU General Public License* along with this program; if not, write to the Free Software* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA*//* TODO- spreadsheet copy and paste?*//* Use of strchr here is MBCS-safe */#ifdef HAVE_CONFIG_H#include <config.h>#endif#include "win-nls.h"#include <wchar.h>#include "Defn.h"#include "Print.h"#include "graphapp/ga.h"#include "console.h"#include "consolestructs.h"#include "rui.h"static dataeditor de;static ConsoleData p;typedef enum {UNKNOWNN, NUMERIC, CHARACTER} CellType;static Rboolean R_de_up;#ifndef max#define max(a, b) (((a)>(b))?(a):(b))#endif#ifndef min#define min(a, b) (((a)<(b))?(a):(b))#endif#define BOXW(x) (min(((x<100 && nboxchars==0)?boxw[x]:box_w),WIDTH-boxw[0]-2*bwidth-2))#define FIELDWIDTH 10/* Local Function Definitions */static void advancerect(int);static void bell();static void cleararea(int, int, int, int, rgb);static void clearrect(void);static void closerect(void);static void clearwindow(void);static void de_closewin(void);static void copyarea(int, int, int, int);static void copyH(int, int, int);static void deredraw(void);static void eventloop(void);static void downlightrect(void);static void drawwindow(void);static void drawcol(int);/* static void de_drawline(int, int, int, int);*/static void de_drawtext(int, int, char *);static void drawrectangle(int, int, int, int, int, int);static void drawrow(int);static void find_coords(int, int, int*, int*);static void handlechar(char*);static void highlightrect(void);static Rboolean initwin(void);static void jumppage(int);static void jumpwin(int, int);static void de_popupmenu(int, int, int);static void printlabs(void);static void printrect(int, int);static void printstring(char*, int, int, int, int);static void printelt(SEXP, int, int, int);static void setcellwidths(void);static dataeditor newdataeditor();static void de_copy(control c);static void de_paste(control c);static void de_delete(control c);static menuitem de_mvw;static SEXP work, names, lens;static PROTECT_INDEX wpi, npi, lpi;static SEXP ssNA_STRING;static double ssNA_REAL;/* Global variables needed for the graphics */static int box_w; /* width of a box */static int boxw[100]; /* widths of cells */static int box_h; /* height of a box */static int windowWidth; /* current width of the window */static int windowHeight; /* current height of the window */static int currentexp; /* boolean: whether an cell is active */static int crow; /* current row */static int ccol; /* current column */static int nwide, nhigh;static int colmax, colmin, rowmax, rowmin;static int ndecimal; /* count decimal points */static int ne; /* count exponents */static int nneg; /* indicate whether its a negative */static int clength; /* number of characters currently entered */static char buf[200];static char *bufp;static int bwidth; /* width of the border */static int hwidth; /* width of header */static int text_xoffset, text_yoffset;static field celledit;static Rboolean newcol, CellModified, CellEditable;static int xmaxused, ymaxused;static int oldWIDTH=0, oldHEIGHT=0;static int nboxchars=0;static int labdigs=4;static char labform[6];static int xScrollbarScale=1, yScrollbarScale=1;#include <windows.h> /* for Sleep */int mb_char_len(char *buf, int clength, wchar_t *wc); /* from console.c */static void moveback(){int mb_len;wchar_t wc;if (clength > 0) {mb_len = mb_char_len(buf, clength-1, &wc);clength -= mb_len;bufp -= mb_len;printstring(buf, clength, crow, ccol, 1);} else bell();}/*Underlying assumptions (for this version R >= 1.8.0)The data are stored in a list `work', with unused columns havingNULL entries. The names for the list are in `names', which shouldhave a name for all displayable columns (up to xmaxused).The *used* lengths of the columns are in `lens': this needs only beset for non-NULL columns.If the list was originally length(0), that should work with0 pre-defined cols. (It used to have 1 pre-defined numeric column.)All row and col numbers are 1-based.BDR May 2003*//*ssNewVector is just an interface to allocVector but it lets usset the fields to NA. We need to have a special NA for reals andstrings so that we can differentiate between uninitialized elementsin the vectors and user supplied NA's; hence ssNA_REAL and ssNA_STRING*/static SEXP ssNewVector(SEXPTYPE type, int vlen){SEXP tvec;int j;tvec = allocVector(type, vlen);for (j = 0; j < vlen; j++)if (type == REALSXP)REAL(tvec)[j] = ssNA_REAL;else if (type == STRSXP)SET_STRING_ELT(tvec, j, STRING_ELT(ssNA_STRING, 0));return (tvec);}static void eventloop(){while (R_de_up) {/* avoid consuming 100% CPU time here */Sleep(10);R_ProcessEvents();}}static void de_closewin_cend(void *data){de_closewin();}SEXP do_dataentry(SEXP call, SEXP op, SEXP args, SEXP rho){SEXP colmodes, tnames, tvec, tvec2, work2;SEXPTYPE type;int i, j, cnt, len, nprotect;RCNTXT cntxt;char clab[25];nprotect = 0;/* count the PROTECT()s */PROTECT_WITH_INDEX(work = duplicate(CAR(args)), &wpi); nprotect++;colmodes = CADR(args);tnames = getAttrib(work, R_NamesSymbol);if (TYPEOF(work) != VECSXP || TYPEOF(colmodes) != VECSXP)errorcall(call, G_("invalid argument"));/* initialize the constants */bufp = buf;ne = 0;currentexp = 0;nneg = 0;ndecimal = 0;clength = 0;ccol = 1;crow = 1;colmin = 1;rowmin = 1;ssNA_REAL = -NA_REAL;tvec = allocVector(REALSXP, 1);REAL(tvec)[0] = ssNA_REAL;PROTECT(ssNA_STRING = coerceVector(tvec, STRSXP)); nprotect++;bwidth = 0;hwidth = 5;/* setup work, names, lens */xmaxused = length(work); ymaxused = 0;PROTECT_WITH_INDEX(lens = allocVector(INTSXP, xmaxused), &lpi);nprotect++;if (isNull(tnames)) {PROTECT_WITH_INDEX(names = allocVector(STRSXP, xmaxused), &npi);for(i = 0; i < xmaxused; i++) {sprintf(clab, "var%d", i);SET_STRING_ELT(names, i, mkChar(clab));}} elsePROTECT_WITH_INDEX(names = duplicate(tnames), &npi);nprotect++;for (i = 0; i < xmaxused; i++) {int len = LENGTH(VECTOR_ELT(work, i));INTEGER(lens)[i] = len;ymaxused = max(len, ymaxused);type = TYPEOF(VECTOR_ELT(work, i));if (LENGTH(colmodes) > 0 && !isNull(VECTOR_ELT(colmodes, i)))type = str2type(CHAR(STRING_ELT(VECTOR_ELT(colmodes, i), 0)));if (type != STRSXP) type = REALSXP;if (isNull(VECTOR_ELT(work, i))) {if (type == NILSXP) type = REALSXP;SET_VECTOR_ELT(work, i, ssNewVector(type, 100));} else if (!isVector(VECTOR_ELT(work, i)))errorcall(call, G_("invalid type for value"));else {if (TYPEOF(VECTOR_ELT(work, i)) != type)SET_VECTOR_ELT(work, i,coerceVector(VECTOR_ELT(work, i), type));}}/* scale scrollbars as needed */if (xmaxused > 10000) xScrollbarScale = xmaxused/1000;if (ymaxused > 10000) yScrollbarScale = ymaxused/1000;/* start up the window, more initializing in here */if (initwin())errorcall(call, G_("invalid device"));/* set up a context which will close the window if there is an error */begincontext(&cntxt, CTXT_CCODE, R_NilValue, R_NilValue, R_NilValue,R_NilValue, R_NilValue);cntxt.cend = &de_closewin_cend;cntxt.cenddata = NULL;highlightrect();eventloop();endcontext(&cntxt);/* drop out unused columns */for(i = 0, cnt = 0; i < xmaxused; i++)if(!isNull(VECTOR_ELT(work, i))) cnt++;if (cnt < xmaxused) {PROTECT(work2 = allocVector(VECSXP, cnt)); nprotect++;for(i = 0, j = 0; i < xmaxused; i++) {if(!isNull(VECTOR_ELT(work, i))) {SET_VECTOR_ELT(work2, j, VECTOR_ELT(work, i));INTEGER(lens)[j] = INTEGER(lens)[i];SET_STRING_ELT(names, j, STRING_ELT(names, i));j++;}}REPROTECT(names = lengthgets(names, cnt), npi);} else work2 = work;for (i = 0; i < LENGTH(work2); i++) {len = INTEGER(lens)[i];tvec = VECTOR_ELT(work2, i);if (LENGTH(tvec) != len) {tvec2 = ssNewVector(TYPEOF(tvec), len);for (j = 0; j < len; j++) {if (TYPEOF(tvec) == REALSXP) {if (REAL(tvec)[j] != ssNA_REAL)REAL(tvec2)[j] = REAL(tvec)[j];elseREAL(tvec2)[j] = NA_REAL;} else if (TYPEOF(tvec) == STRSXP) {if (!streql(CHAR(STRING_ELT(tvec, j)),CHAR(STRING_ELT(ssNA_STRING, 0))))SET_STRING_ELT(tvec2, j, STRING_ELT(tvec, j));elseSET_STRING_ELT(tvec2, j, NA_STRING);} elseerror(G_("dataentry: internal memory problem"));}SET_VECTOR_ELT(work2, i, tvec2);}}setAttrib(work2, R_NamesSymbol, names);UNPROTECT(nprotect);return work2;}/* Window Drawing Routines */static rgb bbg;static void setcellwidths(void){int i, w, dw;windowWidth = w = 2*bwidth + boxw[0] + BOXW(colmin);nwide = 2;for (i = 2; i < 100; i++) { /* 100 on-screen columns cannot occur */dw = BOXW(i + colmin - 1);if((w += dw) > WIDTH) {nwide = i;windowWidth = w - dw;break;}}}static void drawwindow(void){/* might have resized */setcellwidths();nhigh = (HEIGHT - 2 * bwidth - hwidth - 3) / box_h;windowHeight = nhigh * box_h + 2 * bwidth + hwidth;oldWIDTH = WIDTH;oldHEIGHT = HEIGHT;clearwindow();deredraw();/* row/col 1 = pos 0 */gchangescrollbar(de, VWINSB, (rowmin - 1)/yScrollbarScale,ymaxused/yScrollbarScale,max(nhigh/yScrollbarScale, 1), 0);gchangescrollbar(de, HWINSB, (colmin - 1)/xScrollbarScale,xmaxused/xScrollbarScale,max(nwide/xScrollbarScale, 1), 0);}static void doHscroll(int oldcol){int i, dw;int oldnwide = nwide, oldwindowWidth = windowWidth;/* horizontal re-position */setcellwidths();colmax = colmin + (nwide - 2);if (oldcol < colmin) { /* drop oldcol...colmin - 1 */dw = boxw[0];for (i = oldcol; i < colmin; i++) dw += BOXW(i);copyH(dw, boxw[0], oldwindowWidth - dw + 1);dw = oldwindowWidth - BOXW(oldcol) + 1;cleararea(dw, hwidth, WIDTH-dw, HEIGHT, p->bg);/* oldnwide includes the row labels */for (i = oldcol+oldnwide-1; i <= colmax; i++) drawcol(i);} else {/* move one or more cols left */dw = BOXW(colmin);copyH(boxw[0], boxw[0] + dw, windowWidth - dw + 1);dw = windowWidth + 1;cleararea(dw, hwidth, WIDTH-dw, HEIGHT, p->bg);drawcol(colmin);}gchangescrollbar(de, HWINSB, (colmin - 1)/xScrollbarScale,xmaxused/xScrollbarScale,max(nwide/xScrollbarScale, 1), 0);highlightrect();}/* find_coords finds the coordinates of the upper left corner of thegiven cell on the screen: row and col are on-screen coords */static void find_coords(int row, int col, int *xcoord, int *ycoord){int i, w;w = bwidth;if (col > 0) w += boxw[0];for(i = 1; i < col; i ++) w += BOXW(i + colmin - 1);*xcoord = w;*ycoord = bwidth + hwidth + box_h * row;}/* draw the window with the top left box at column wcol and row wrow */static void jumpwin(int wcol, int wrow){if (wcol < 0 || wrow < 0) {bell();return;}closerect();if (colmin != wcol || rowmin != wrow) {colmin = wcol;rowmin = wrow;deredraw();} else highlightrect();}static void advancerect(int which){/* if we are in the header, changing a name then only down isallowed */if (crow < 1 && which != DOWN) {bell();return;}closerect();switch (which) {case UP:if (crow == 1) {if (rowmin == 1)bell();elsejumppage(UP);} elsecrow--;break;case DOWN:if (crow == (nhigh - 1))jumppage(DOWN);elsecrow++;break;case RIGHT:if (ccol == (nwide - 1))jumppage(RIGHT);elseccol++;break;case LEFT:if (ccol == 1) {if (colmin == 1)bell();elsejumppage(LEFT);} elseccol--;break;default:UNIMPLEMENTED("advancerect");}highlightrect();}static char *get_col_name(int col){static char clab[25];if (col <= xmaxused) {/* don't use NA labels */SEXP tmp = STRING_ELT(names, col - 1);if(tmp != NA_STRING) return(CHAR(tmp));}sprintf(clab, "var%d", col);return clab;}static int get_col_width(int col){int i, w = 0, w1, fw = FIELDWIDTH;char *strp;SEXP tmp, lab;if (nboxchars > 0) return nboxchars;if (col <= xmaxused) {tmp = VECTOR_ELT(work, col - 1);if (isNull(tmp)) return fw;/* don't use NA labels */lab = STRING_ELT(names, col - 1);if(lab != NA_STRING) w = strlen(CHAR(lab)); else w = fw;PrintDefaults(R_NilValue);for (i = 0; i < INTEGER(lens)[col - 1]; i++) {strp = EncodeElement(tmp, i, 0, '.');w1 = strlen(strp);if (w1 > w) w = w1;}if(w < 5) w = 5;if(w < 8) w++;if(w > 50) w = 50;return w;}return fw;}static CellType get_col_type(int col){SEXP tmp;CellType res = UNKNOWNN;if (col <= xmaxused) {tmp = VECTOR_ELT(work, col - 1);if(TYPEOF(tmp) == REALSXP) res = NUMERIC;if(TYPEOF(tmp) == STRSXP) res = CHARACTER;}return res;}/* whichcol is absolute col no, col is position on screen */static void drawcol(int whichcol){int i, src_x, src_y, len, col = whichcol - colmin + 1, bw = BOXW(whichcol);char *clab;SEXP tmp;find_coords(0, col, &src_x, &src_y);cleararea(src_x, src_y, bw, windowHeight, p->bg);cleararea(src_x, src_y, bw, box_h, bbg);for (i = 0; i < nhigh; i++)drawrectangle(src_x, hwidth + i * box_h, bw, box_h, 1, 1);/* now fill it in if it is active */clab = get_col_name(whichcol);printstring(clab, strlen(clab), 0, col, 0);if (xmaxused >= whichcol) {tmp = VECTOR_ELT(work, whichcol - 1);if (!isNull(tmp)) {len = min(rowmax, INTEGER(lens)[whichcol - 1]);for (i = (rowmin - 1); i < len; i++)printelt(tmp, i, i - rowmin + 2, col);}}}/* whichrow is absolute row no */static void drawrow(int whichrow){int i, src_x, src_y, row = whichrow - rowmin + 1, w;char rlab[15];SEXP tvec;find_coords(row, 0, &src_x, &src_y);cleararea(src_x, src_y, windowWidth, box_h, (whichrow > 0)?p->bg:bbg);drawrectangle(src_x, src_y, boxw[0], box_h, 1, 1);sprintf(rlab, labform, whichrow);printstring(rlab, strlen(rlab), row, 0, 0);w = bwidth + boxw[0];for (i = colmin; i <= colmax; i++) {drawrectangle(w, src_y, BOXW(i), box_h, 1, 1);w += BOXW(i);}for (i = colmin; i <= colmax; i++) {if (i > xmaxused) break;if (!isNull(tvec = VECTOR_ELT(work, i - 1)))if (whichrow <= INTEGER(lens)[i - 1])printelt(tvec, whichrow - 1, row, i - colmin + 1);}}/* printelt: print the correct value from vector[vrow] into thespreadsheet in row ssrow and col sscol *//* WARNING: This has no check that you're not beyond the end of thevector. Caller must check. */static void printelt(SEXP invec, int vrow, int ssrow, int sscol){char *strp;PrintDefaults(R_NilValue);if (TYPEOF(invec) == REALSXP) {if (REAL(invec)[vrow] != ssNA_REAL) {strp = EncodeElement(invec, vrow, 0, '.');printstring(strp, strlen(strp), ssrow, sscol, 0);}}else if (TYPEOF(invec) == STRSXP) {if (!streql(CHAR(STRING_ELT(invec, vrow)),CHAR(STRING_ELT(ssNA_STRING, 0)))) {strp = EncodeElement(invec, vrow, 0, '.');printstring(strp, strlen(strp), ssrow, sscol, 0);}}elseerror(G_("dataentry: internal memory error"));}static void drawelt(int whichrow, int whichcol){int i;char *clab;SEXP tmp;if (whichrow == 0) {clab = get_col_name(whichcol + colmin - 1);printstring(clab, strlen(clab), 0, whichcol, 0);} else {if (xmaxused >= whichcol + colmin - 1) {tmp = VECTOR_ELT(work, whichcol + colmin - 2);if (!isNull(tmp) && (i = rowmin + whichrow - 2) <INTEGER(lens)[whichcol + colmin - 2] )printelt(tmp, i, whichrow, whichcol);} elseprintstring("", 0, whichrow, whichcol, 0);}}static void jumppage(int dir){int i, w, oldcol, wcol;switch (dir) {case UP:rowmin--;rowmax--;copyarea(0, hwidth + box_h, 0, hwidth + 2 * box_h);drawrow(rowmin);gchangescrollbar(de, VWINSB, (rowmin - 1)/yScrollbarScale,ymaxused/yScrollbarScale,max(nhigh/yScrollbarScale, 1), 0);break;case DOWN:if (rowmax >= 65535) return;rowmin++;rowmax++;copyarea(0, hwidth + 2 * box_h, 0, hwidth + box_h);drawrow(rowmax);gchangescrollbar(de, VWINSB, (rowmin - 1)/yScrollbarScale,ymaxused/yScrollbarScale,max(nhigh/yScrollbarScale, 1), 0);break;case LEFT:colmin--;doHscroll(colmin+1);break;case RIGHT:oldcol = colmin;wcol = colmin + ccol + 1; /* column to be selected *//* There may not be room to fit the next column in */w = WIDTH - boxw[0] - BOXW(colmax + 1);for (i = colmax; i >= oldcol; i--) {w -= BOXW(i);if(w < 0) {colmin = i + 1;break;}}ccol = wcol - colmin;doHscroll(oldcol);break;}}/* draw a rectangle, used to highlight/downlight the current box */static void printrect(int lwd, int fore){int x, y;find_coords(crow, ccol, &x, &y);drawrectangle(x + lwd - 1, y + lwd - 1,BOXW(ccol+colmin-1) - lwd + 1,box_h - lwd + 1, lwd, fore);}static void downlightrect(void){printrect(2, 0);printrect(1, 1);}static void highlightrect(void){printrect(2, 1);}static void getccol(){SEXP tmp, tmp2;int i, len, newlen, wcol, wrow;SEXPTYPE type;char clab[25];wcol = ccol + colmin - 1;wrow = crow + rowmin - 1;if (wcol > xmaxused) {/* extend work, names and lens */REPROTECT(work = lengthgets(work, wcol), wpi);REPROTECT(names = lengthgets(names, wcol), npi);for (i = xmaxused; i < wcol; i++) {sprintf(clab, "var%d", i + 1);SET_STRING_ELT(names, i, mkChar(clab));}REPROTECT(lens = lengthgets(lens, wcol), lpi);xmaxused = wcol;}newcol = FALSE;if (isNull(VECTOR_ELT(work, wcol - 1))) {newcol = TRUE;SET_VECTOR_ELT(work, wcol - 1, ssNewVector(REALSXP, max(100, wrow)));INTEGER(lens)[wcol - 1] = 0;}if (!isVector(tmp = VECTOR_ELT(work, wcol - 1)))error(G_("internal type error in dataentry"));len = INTEGER(lens)[wcol - 1];type = TYPEOF(tmp);if (len < wrow) {for (newlen = max(len * 2, 10) ; newlen < wrow ; newlen *= 2);tmp2 = ssNewVector(type, newlen);for (i = 0; i < len; i++)if (type == REALSXP)REAL(tmp2)[i] = REAL(tmp)[i];else if (type == STRSXP)SET_STRING_ELT(tmp2, i, STRING_ELT(tmp, i));elseerror(G_("internal type error in dataentry"));SET_VECTOR_ELT(work, wcol - 1, tmp2);}}/* close up the entry to a cell, put the value that has been enteredinto the correct place and as the correct type */static void closerect(void){SEXP cvec;int wcol = ccol + colmin - 1, wrow = rowmin + crow - 1, wrow0;*bufp = '\0';if (CellModified || CellEditable) {if (CellEditable) {strcpy(buf, gettext(celledit));clength = strlen(buf);hide(celledit);del(celledit);}getccol();cvec = VECTOR_ELT(work, wcol - 1);wrow0 = INTEGER(lens)[wcol - 1];if (wrow > wrow0) INTEGER(lens)[wcol - 1] = wrow;ymaxused = max(ymaxused, wrow);if (clength != 0) {/* do it this way to ensure NA, Inf, ... can get set */char *endp;double new = R_strtod(buf, &endp);int warn = !isBlankString(endp);if (TYPEOF(cvec) == STRSXP)SET_STRING_ELT(cvec, wrow - 1, mkChar(buf));elseREAL(cvec)[wrow - 1] = new;if (newcol & warn) {/* change mode to character */SET_VECTOR_ELT(work, wcol - 1, coerceVector(cvec, STRSXP));SET_STRING_ELT(VECTOR_ELT(work, wcol - 1), wrow - 1,mkChar(buf));}} else {if (TYPEOF(cvec) == STRSXP)SET_STRING_ELT(cvec, wrow - 1, NA_STRING);elseREAL(cvec)[wrow - 1] = NA_REAL;}drawelt(crow, ccol); /* to get the cell scrolling right */if(wrow > wrow0) drawcol(wcol); /* to fill in NAs */}CellEditable = CellModified = FALSE;downlightrect();gsetcursor(de, ArrowCursor);ndecimal = 0;nneg = 0;ne = 0;currentexp = 0;clength = 0;bufp = buf;}/* print a null terminated string, check to see if it is longer thanthe print area and print it, left adjusted if necessary; clear thearea of previous text; *//* This version will only display 200 chars, but the maximum col widthwill not allow that many */static void printstring(char *ibuf, int buflen, int row, int col, int left){int x_pos, y_pos, bw, fw, bufw;char buf[201];find_coords(row, col, &x_pos, &y_pos);if (col == 0) bw = boxw[0]; else bw = BOXW(col+colmin-1);cleararea(x_pos + 1, y_pos + 1, bw - 1, box_h - 1,(row==0 || col==0) ? bbg:p->bg);fw = min(200, (bw - 8)/FW);bufw = min(fw, buflen);strncpy(buf, ibuf, bufw);buf[bufw] = '\0';if (buflen > fw) {if(left) {strncpy(buf, ibuf + buflen - fw, fw);buf[fw] = '\0';*buf = '<';} else {*(buf + fw - 1) = '>';*(buf + fw) = '\0';}}de_drawtext(x_pos + text_xoffset, y_pos - text_yoffset, buf);}static void clearrect(void){int x_pos, y_pos;find_coords(crow, ccol, &x_pos, &y_pos);cleararea(x_pos, y_pos, BOXW(ccol+colmin-1), box_h, p->bg);}/* handlechar has to be able to parse decimal numbers and strings,depending on the current column type, only printing charactersshould get this far *//* --- Not true! E.g. ESC ends up in here... */static void handlechar(char *text){int c = text[0];if ( c == '\033' ) {CellModified = FALSE;clength = 0;drawelt(crow, ccol);gsetcursor(de, ArrowCursor);return;} else {CellModified = TRUE;gsetcursor(de, TextCursor);}if (clength == 0) {switch(get_col_type(ccol + colmin - 1)) {case NUMERIC:currentexp = 1;break;default:currentexp = 2;}clearrect();highlightrect();}if (currentexp == 1) /* we are parsing a number */switch (c) {case '-':if (nneg == 0)nneg++;elsegoto donehc;break;case '.':if (ndecimal == 0)ndecimal++;elsegoto donehc;break;case 'e':case 'E':if (ne == 0) {nneg = ndecimal = 0; /* might have decimal in exponent */ne++;}elsegoto donehc;break;default:if (!isdigit((int)text[0]))goto donehc;break;}if (clength++ > 199) {warning(G_("dataentry: expression too long"));clength--;goto donehc;}*bufp++ = text[0];printstring(buf, clength, crow, ccol, 1);return;donehc:bell();}static void printlabs(void){char clab[15], *p;int i;for (i = colmin; i <= colmax; i++) {p = get_col_name(i);printstring(p, strlen(p), 0, i - colmin + 1, 0);}for (i = rowmin; i <= rowmax; i++) {sprintf(clab, labform, i);printstring(clab, strlen(clab), i - rowmin + 1, 0, 0);}}/* ================ GraphApp-specific ================ */static void bell(void){gabeep();}static void cleararea(int xpos, int ypos, int width, int height, rgb col){gfillrect(de, col, rect(xpos, ypos, width, height));}static void clearwindow(void){gfillrect(de, p->bg, rect(0, 0, WIDTH, HEIGHT));}static void drawrectangle(int xpos, int ypos, int width, int height,int lwd, int fore){/* only used on screen, so always fast */gdrawrect(de, lwd, 0, (fore==1)? p->ufg: p->bg,rect(xpos, ypos, width, height), 1, PS_ENDCAP_SQUARE,PS_JOIN_BEVEL, 10);}static void de_drawtext(int xpos, int ypos, char *text){gdrawstr(de, p->f, p->fg, pt(xpos, ypos), text);}/* Keypress callbacks */static void de_normalkeyin(control c, int k){int i, st;char text[1];st = ggetkeystate();if ((p->chbrk) && (k == p->chbrk) &&((!p->modbrk) || ((p->modbrk) && (st == p->modbrk)))) {p->fbrk(c);return;}if (st & CtrlKey) {switch (k + 'A' - 1) {case 'B':i = rowmin - nhigh + 2;jumpwin(colmin, max(i, 1));break;case 'F':jumpwin(colmin, rowmax);break;case 'H':moveback();break;case 'I':if (st & ShiftKey) advancerect(LEFT);else advancerect(RIGHT);break;case 'N':case 'J':advancerect(DOWN);break;case 'C':de_copy(de);break;case 'V':de_paste(de);break;case 'L':for (i = colmin; i < colmax; i++)if (i < 100) boxw[i] = get_col_width(i)*FW + 8;drawwindow();break;default:bell();}} else if(k == '\b') {moveback();} else if(k == '\n' || k == '\r') {advancerect(DOWN);} else if(k == '\t') {if (st & ShiftKey) advancerect(LEFT);else advancerect(RIGHT);} else {text[0] = k;handlechar(text);}}static void de_ctrlkeyin(control c, int key){int st, i;st = ggetkeystate();if ((p->chbrk) && (key == p->chbrk) &&((!p->modbrk) || ((p->modbrk) && (st == p->modbrk)))) {p->fbrk(c);return;}switch (key) {case HOME:jumpwin(1, 1);downlightrect();crow = ccol = 1;highlightrect();break;case END:i = ymaxused - nhigh + 2;jumpwin(xmaxused, max(i, 1));downlightrect();crow = ymaxused - rowmin + 1;ccol = 1;highlightrect();break;case PGUP:i = rowmin - nhigh + 2;jumpwin(colmin, max(i, 1));break;case PGDN:jumpwin(colmin, rowmax);break;case LEFT:advancerect(LEFT);break;case RIGHT:advancerect(RIGHT);break;case UP:advancerect(UP);break;case DOWN:advancerect(DOWN);break;case DEL:moveback();break;case ENTER:advancerect(DOWN);break;default:;}}/* mouse callbacks */static char *get_cell_text(void){int wrow = rowmin + crow - 2, wcol = colmin + ccol - 1;char *prev = "";SEXP tvec;if (wcol <= xmaxused) {tvec = VECTOR_ELT(work, wcol - 1);if (!isNull(tvec) && wrow < INTEGER(lens)[wcol - 1]) {PrintDefaults(R_NilValue);if (TYPEOF(tvec) == REALSXP) {if (REAL(tvec)[wrow] != ssNA_REAL)prev = EncodeElement(tvec, wrow, 0, '.');} else if (TYPEOF(tvec) == STRSXP) {if (!streql(CHAR(STRING_ELT(tvec, wrow)),CHAR(STRING_ELT(ssNA_STRING, 0))))prev = EncodeElement(tvec, wrow, 0, '.');} else error(G_("dataentry: internal memory error"));}}return prev;}static int online, clickline;static void de_mousedown(control c, int buttons, point xy){int xw, yw, wcol=0, wrow, i, w;if (buttons & LeftButton) {xw = xy.x;yw = xy.y;closerect();/* check to see if the click was in the header */if (yw < hwidth + bwidth) {/* too high */return;}/* translate to box coordinates */wrow = (yw - bwidth - hwidth) / box_h;/* see if it is in the row labels */if (xw < bwidth + boxw[0]) {bell();highlightrect();return;}w = bwidth + boxw[0];for (i = 1; i <= nwide; i++)if((w += BOXW(i+colmin-1)) > xw) {wcol = i;break;}/* see if we selected a line */w = bwidth;online = 0;for (i = 0; i <= nwide; i++) {if(i == 0) w += boxw[0]; else w += BOXW(i+colmin-1);if (abs(w - xw) <= 2) {online = 1;clickline = i; /* between cols i and i+1 */highlightrect();gsetcursor(de, HandCursor);return;}}/* next check to see if it is in the column labels */if (yw < hwidth + bwidth + box_h) {if (xw > bwidth + boxw[0]) {highlightrect();de_popupmenu(xw, yw, wcol);return;} else {/* in 0th column */highlightrect();bell();}} else if (wrow > nhigh - 1 || wcol > nwide - 1) {/* off the grid */highlightrect();bell();return;} else if (buttons & DblClick) {int x, y, bw;char *prev;rect rr;ccol = wcol;crow = wrow;highlightrect();find_coords(crow, ccol, &x, &y);bw = BOXW(ccol + colmin - 1);rr = rect(x + text_xoffset, y - text_yoffset - 1,bw - text_xoffset - 2,box_h - text_yoffset - 2);prev = get_cell_text();if (strlen(prev) * FW > bw)rr.width = (strlen(prev) + 2) * FW;addto(de);celledit = newfield_no_border(prev, rr);setbackground(celledit, p->bg);setforeground(celledit, p->ufg);settextfont(celledit, p->f);show(celledit);CellEditable = TRUE;} else if (buttons & LeftButton) {ccol = wcol;crow = wrow;}highlightrect();return;}}static void de_mouseup(control c, int buttons, point xy){int xw, bw, i, w;if (online) {xw = xy.x;w = bwidth + boxw[0];for(i = 1; i < clickline; i++) w+= BOXW(i+colmin-1);bw = xw - w;if (bw < FW*4 + 8) bw = FW*4 + 8;if (bw > FW*50) bw = FW*50;if(clickline < 100) boxw[clickline] = bw;gsetcursor(de, ArrowCursor);deredraw();}}static void de_redraw(control c, rect r){if (WIDTH != oldWIDTH || HEIGHT != oldHEIGHT) drawwindow();else deredraw();}static void deredraw(void){int i;setcellwidths();if(hwidth > 0) gfillrect(de, bbg, rect(0, 0, WIDTH, hwidth));gfillrect(de, bbg, rect(0, 0, boxw[0], windowHeight));for (i = 1; i < nhigh; i++)drawrectangle(0, hwidth + i * box_h, boxw[0], box_h, 1, 1);colmax = colmin + (nwide - 2);rowmax = rowmin + (nhigh - 2);printlabs();/* if (!isNull(work) I don't think it can be null */for (i = colmin; i <= colmax; i++) drawcol(i);gfillrect(de, p->bg, rect(windowWidth+1, hwidth, WIDTH-windowWidth-1,HEIGHT - hwidth));highlightrect();}static void de_closewin(void){closerect();hide(de);del(de);}static void copyarea(int src_x, int src_y, int dest_x, int dest_y){int mx = max(src_x, dest_x), my = max(src_y, dest_y);copyrect(de, pt(dest_x, dest_y),rect(src_x, src_y, windowWidth - mx, windowHeight - my));}static void copyH(int src_x, int dest_x, int width){copyrect(de, pt(dest_x, hwidth),rect(src_x, hwidth, width, windowHeight - hwidth));}static Rboolean initwin(void){int i;rect r;de = newdataeditor();if(!de) return TRUE;p = getdata(de);nboxchars = asInteger(GetOption(install("de.cellwidth"), R_GlobalEnv));if (nboxchars == NA_INTEGER || nboxchars < 0) nboxchars = 0;if (nboxchars > 0) check(de_mvw);box_w = ((nboxchars >0)?nboxchars:FIELDWIDTH)*FW + 8;/* this used to presume 4 chars sufficed for row numbering */labdigs = max(3, 1+floor(log10((double)ymaxused)));boxw[0] = (1+labdigs)*FW + 8;sprintf(labform, "%%%dd", labdigs);for(i = 1; i < 100; i++) boxw[i] = get_col_width(i)*FW + 8;box_h = FH + 4;text_xoffset = 5;text_yoffset = -3;setcellwidths();nhigh = (HEIGHT - 2 * bwidth - hwidth - 3) / box_h;windowHeight = nhigh * box_h + 2 * bwidth + hwidth;r = getrect(de);r.width = windowWidth + 3;r.height = windowHeight + 3;resize(de, r);CellModified = CellEditable = FALSE;bbg = dialog_bg();/* set the active cell to be the upper left one */crow = 1;ccol = 1;/* drawwindow(); done as repaint butdecide if we need scrollbars here to avoid flashing*/nhigh = (HEIGHT - 2 * bwidth - hwidth) / box_h;gchangescrollbar(de, VWINSB, 0, ymaxused/yScrollbarScale,max(nhigh/yScrollbarScale, 1), 0);setcellwidths();gchangescrollbar(de, HWINSB, 0, xmaxused/xScrollbarScale,max(nwide/xScrollbarScale, 1), 0);show(de);show(de); /* a precaution, as PD reports transparent windows */BringToTop(de, 0);R_de_up = TRUE;return FALSE;}/* Menus */static window wconf, devw;static radiobutton rb_num, rb_char;static label lwhat, lrb;static field varname;static int isnumeric, popupcol;static void popupclose(control c){SEXP tvec;char buf[30], clab[25];int i;strcpy(buf, gettext(varname));if(!strlen(buf)) {askok(G_("column names cannot be blank"));return;}if (popupcol > xmaxused) {/* extend work, names and lens */REPROTECT(work = lengthgets(work, popupcol), wpi);REPROTECT(names = lengthgets(names, popupcol), npi);/* Last col name is set later */for (i = xmaxused+1; i < popupcol - 1; i++) {sprintf(clab, "var%d", i + 1);SET_STRING_ELT(names, i, mkChar(clab));}REPROTECT(lens = lengthgets(lens, popupcol), lpi);xmaxused = popupcol;}tvec = VECTOR_ELT(work, popupcol - 1);if(ischecked(rb_num) && !isnumeric) {if (isNull(tvec))SET_VECTOR_ELT(work, popupcol - 1, ssNewVector(REALSXP, 100));elseSET_VECTOR_ELT(work, popupcol - 1, coerceVector(tvec, REALSXP));} else if(ischecked(rb_char) && isnumeric) {if (isNull(tvec))SET_VECTOR_ELT(work, popupcol - 1, ssNewVector(STRSXP, 100));elseSET_VECTOR_ELT(work, popupcol - 1, coerceVector(tvec, STRSXP));}SET_STRING_ELT(names, popupcol - 1, mkChar(buf));hide(wconf);del(wconf);}static void nm_hit_key(window w, int key){if(key == '\n') popupclose(wconf);}static void de_popupmenu(int x_pos, int y_pos, int col){char *blah;rect r = screen_coords(de);popupcol = colmin + col - 1;blah = get_col_name(popupcol);wconf = newwindow(G_("Variable editor"),rect(x_pos + r.x-150, y_pos + r.y-50, 300, 100),Titlebar | Closebox | Modal);setclose(wconf, popupclose);setbackground(wconf, bbg);lwhat = newlabel(G_("variable name"), rect(10, 22, 90, 20), AlignLeft);varname = newfield(blah, rect(100, 20, 120, 20));lrb = newlabel(G_("type"), rect(50, 62, 50, 20), AlignLeft);rb_num = newradiobutton("numeric", rect(100, 60 , 80, 20), NULL);rb_char = newradiobutton("character", rect(180, 60 , 80, 20), NULL);isnumeric = (get_col_type(popupcol) == NUMERIC);if (isnumeric) check(rb_num); else check(rb_char);setkeydown(wconf, nm_hit_key);show(wconf);}static void de_copy(control c){copystringtoclipboard(get_cell_text());}static void de_paste(control c){char *p;closerect();if ( clipboardhastext() &&!getstringfromclipboard(buf, 1999) ) {/* set current cell to first line of clipboard */CellModified = TRUE;if ((p = strchr(buf, '\n'))) *p = '\0';clength = strlen(buf);bufp = buf + clength;closerect();}highlightrect();}static void de_delete(control c){CellModified = TRUE;buf[0] = '\0';clength = -1;bufp = buf + clength;closerect();highlightrect();}static void de_autosize(control c){int col = ccol + colmin - 1;closerect();if(col < 100) {boxw[col] = get_col_width(col)*FW + 8;deredraw();}}static void de_stayontop(control c){BringToTop(de, 2);}static void de_sbf(control c, int pos){if (pos < 0) { /* horizontal */colmin = 1 + (-pos*xScrollbarScale - 1);} else {rowmin = 1 + pos*yScrollbarScale;if(rowmin > ymaxused - nhigh + 2) rowmin = max(1,ymaxused - nhigh + 2);}drawwindow();}static checkbox varwidths;static void vw_close(control c){int x;if (ischecked(varwidths)) x = 0;else x = atoi(gettext(varname)); /* 0 if error */x = min(x, 50);if (x != nboxchars) {nboxchars = x;box_w = ((nboxchars >0)?nboxchars:FIELDWIDTH)*FW + 8;deredraw();}hide(devw);del(devw);if (nboxchars > 0) check(de_mvw);else uncheck(de_mvw);addto(de);}static void vw_hit_key(window w, int key){if(key == '\n') vw_close(w);}static void vw_callback(control c){if (ischecked(varwidths)) disable(varname);else enable(varname);}static void de_popup_vw(void){char blah[25];devw = newwindow(G_("Cell width(s)"),rect(0, 0, 250, 60),Titlebar | Centered | Closebox | Modal);setclose(devw, vw_close);setbackground(devw, bbg);lwhat = newlabel(G_("Cell width"), rect(10, 20, 70, 20), AlignLeft);sprintf(blah, "%d", nboxchars);varname = newfield(blah, rect(80, 20, 40, 20));varwidths = newcheckbox(G_("variable"), rect(150, 20, 80, 20), vw_callback);if (nboxchars == 0) {check(varwidths);disable(varname);}setkeydown(devw, vw_hit_key);show(devw);}static void menudecellwidth(control m){de_popup_vw();}static void deldataeditor(control m){freeConsoleData(getdata(m));}static void declose(control m){de_closewin();show(RConsole);R_de_up = FALSE;}static void deresize(console c, rect r){if (((WIDTH == r.width) &&(HEIGHT == r.height)) ||(r.width == 0) || (r.height == 0) ) /* minimize */return;;WIDTH = r.width;HEIGHT = r.height;}static void menudehelp(control m){char s[] = GN_("Navigation.\n Keyboard: cursor keys move selection\n\tTab move right, Shift+Tab moves left\n\tPgDn or Ctrl+F: move down one screenful\n\tPgUp or Ctrl+B: move up one screenful\n\tHome: move to (1,1) cell\n\tEnd: show last rows of last column.\n Mouse: left-click in a cell, use the scrollbar(s).\n\nEditing.\n Type in the currently hightlighted cell\n Double-click in a cell for an editable field\n\nMisc.\n Ctrl-L redraws the screen, auto-resizing the columns\n Ctrl-C copies selected cell\n Ctrl-V pastes to selected cell\n Right-click menu for copy, paste, autosize currently selected column\n\n");askok(G_(s));}static MenuItem DePopup[28] = {{GN_("Help"), menudehelp, 0},{"-", 0, 0},{GN_("Copy selected cell"), de_copy, 0},{GN_("Paste to selected cell"), de_paste, 0},{GN_("Autosize column"), de_autosize, 0},{"-", 0, 0},{GN_("Stay on top"), de_stayontop, 0},{"-", 0, 0},{GN_("Close"), declose, 0},LASTMENUITEM};static void demenuact(control m){/* use this to customize the menu */}static void depopupact(control m){/* use this to customize the menu */if (ismdi())disable(DePopup[6].m);else {if (isTopmost(de))check(DePopup[6].m);elseuncheck(DePopup[6].m);}}#define MCHECK(a) if (!(a)) {del(c);return NULL;}RECT *RgetMDIsize(); /* in rui.c */static dataeditor newdataeditor(void){ConsoleData p;int w, h, x, y;dataeditor c;menuitem m;p = newconsoledata((consolefn) ? consolefn : FixedFont,pagerrow, pagercol, 0, 0,consolefg, consoleuser, consolebg,DATAEDITOR);if (!p) return NULL;w = WIDTH ;h = HEIGHT;if (ismdi()) {RECT *pR = RgetMDIsize();x = (pR->right - w) / 3; x = x > 20 ? x:20;y = (pR->bottom - h) / 3; y = y > 20 ? y:20;} else {x = (devicewidth(NULL) - w) / 3;y = (deviceheight(NULL) - h) / 3 ;}c = (dataeditor) newwindow(G_("Data Editor"), rect(x, y, w, h),Document | StandardWindow | Menubar |VScrollbar | HScrollbar | TrackMouse);if (!c) {freeConsoleData(p);return NULL;}setdata(c, p);if(h == 0) HEIGHT = getheight(c);if(w == 0) WIDTH = getwidth(c);COLS = WIDTH / FW - 1;ROWS = HEIGHT / FH - 1;BORDERX = (WIDTH - COLS*FW) / 2;BORDERY = (HEIGHT - ROWS*FH) / 2;gsetcursor(c, ArrowCursor);setbackground(c, consolebg);if (ismdi() && (RguiMDI & RW_TOOLBAR)) {/* blank toolbar to stop windows jumping around */int btsize = 24;control tb;addto(c);MCHECK(tb = newtoolbar(btsize + 4));gsetcursor(tb, ArrowCursor);}MCHECK(gpopup(depopupact, DePopup));MCHECK(m = newmenubar(demenuact));MCHECK(newmenu(G_("File")));/* MCHECK(m = newmenuitem("-", 0, NULL));*/MCHECK(m = newmenuitem(G_("Close"), 0, declose));newmdimenu();MCHECK(newmenu(G_("Edit")));MCHECK(m = newmenuitem(G_("Copy \tCTRL+C"), 0, de_copy));MCHECK(m = newmenuitem(G_("Paste \tCTRL+V"), 0, de_paste));MCHECK(m = newmenuitem(G_("Delete\tDEL"), 0, de_delete));MCHECK(m = newmenuitem("-", 0, NULL));MCHECK(de_mvw = newmenuitem(G_("Cell widths ..."), 0, menudecellwidth));MCHECK(m = newmenu(G_("Help")));MCHECK(newmenuitem(G_("Data editor"), 0, menudehelp));setdata(c, p);setresize(c, deresize);setredraw(c, de_redraw);setdel(c, deldataeditor);setclose(c, declose);sethit(c, de_sbf);setkeyaction(c, de_ctrlkeyin);setkeydown(c, de_normalkeyin);setmousedown(c, de_mousedown);setmouseup(c, de_mouseup);return(c);}