/* * Motif * * Copyright (c) 1987-2012, The Open Group. All rights reserved. * * These libraries and programs are free software; you can * redistribute them and/or modify them under the terms of the GNU * Lesser General Public License as published by the Free Software * Foundation; either version 2 of the License, or (at your option) * any later version. * * These libraries and programs are distributed in the hope that * they will be useful, but WITHOUT ANY WARRANTY; without even the * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR * PURPOSE. See the GNU Lesser General Public License for more * details. * * You should have received a copy of the GNU Lesser General Public * License along with these librararies and programs; if not, write * to the Free Software Foundation, Inc., 51 Franklin Street, Fifth * Floor, Boston, MA 02110-1301 USA */ /* * HISTORY */ #ifdef REV_INFO #ifndef lint static char rcsid[] = "$XConsortium: scrolledText.c /main/7 1995/07/13 17:26:23 drk $" #endif #endif /* * file: scrolledText.c * * Has a Multi line Scrolled Text widget under Form. The XmNcolumns resource * is being set to 80 at creation time, and XmNrows to 24. By default, * wordWrap is on. */ /* Standard C headers */ #include /* X headers */ #include #include #include #include #define TEXT1_TOPCHAR 1 #define NUM_COLUMNS 80 #define NUM_ROWS 24 #define MAX_NUM_LINES 200 #define MAX_BUF_SIZE 40000 #define MAX_LINE_SIZE 110 #define MAX_COMM_INDX 7 #define MAX_LINES 200 #define MIN_COLS 30 #define MAX_COLS 100 #define NUM_INDX 14 #define MAX_NUM_SPACE 6 char buffer[150]; #define TEXT1_X 10 #define TEXT1_Y 10 static void fill_text_buf(); static void quitCB(); /* Global Variables */ char *common_buf[] = { "30 CHARS!!", "40 CHARS XXXXXXXXX!!", "50 CHARS XXXXXXXX 1XXXXXXXXX!!", "60 CHARS XXXXXXXX 1XXXXXXXX 2XXXXXXXXX!!", "70 CHARS XXXXXXXX 1XXXXXXXX 2XXXXXXXX 3XXXXXXXXX!!", "80 CHARS XXXXXXXX 1XXXXXXXX 2XXXXXXXX 3XXXXXXXX 4XXXXXXXXX!!", "90 CHARS XXXXXXXX 1XXXXXXXX 2XXXXXXXX 3XXXXXXXX 4XXXXXXXX 5XXXXXXXXX!!", "100 CHARS XXXXXXXX 1XXXXXXXX 2XXXXXXXX 3XXXXXXXX 4XXXXXXXX 5XXXXXXXX 6XXXXXXXX!!" }; char *common1 = "This is Line #"; char text_string[MAX_BUF_SIZE + 1]; Widget Form1; Widget Text1; Arg args[20]; int n; void myQuit() { printf("Begin exiting ... please standby ... \n"); XtDestroyWidget(Shell1); fflush(stdout); exit(0); } main (argc, argv) int argc; char **argv; { Widget SWin; Display *display; XFontStruct *newfont; XmFontList newfontlist; Widget quit_button; FILE *infp; char tmpbuf[MAX_LINE_SIZE+1]; int num_lines, line_num, num_cols; char c; int word_wrap_val; Bool word_wrap, force_wrap; text_string[0] = buffer[0] = '\0'; num_lines = MAX_NUM_LINES; num_cols = MAX_COLS; word_wrap_val = 0; word_wrap = force_wrap = False; if (argc > 1) while (--argc > 0) { argv++; c = **argv; if (c != '-') continue; c = *(*argv + 1); switch(c) { case 'c': num_cols = atoi(*++argv); break; case 'r': num_lines = atoi(*++argv); break; case 'w': word_wrap_val = atoi(*++argv); force_wrap = True; break; case 'h': print_usage(); exit(0); default: break; } argc--; } if (num_lines <= 0 || num_lines > MAX_NUM_LINES) num_lines = MAX_NUM_LINES; if (num_cols <= 0 || num_cols > MAX_COLS) num_cols = MAX_COLS; if (force_wrap == True) word_wrap = (word_wrap_val == 0) ? False : True; else word_wrap = True; fill_text_buf(num_lines, num_cols); /* initialize toolkit */ CommonTestInit(argc, argv); n = 0; XtSetArg(args[n], XtNwidth, 800); n++; XtSetArg(args[n], XtNheight, 450); n++; XtSetValues(Shell1, args, n); /* create main form */ n = 0; Form1 = XmCreateForm (Shell1, "Form1", args, n); XtManageChild (Form1); /* create multi line text widget */ n = 0; XtSetArg(args[n], XmNx, TEXT1_X); n++; XtSetArg(args[n], XmNverifyBell, False); n++; XtSetArg(args[n], XmNvalue, text_string); n++; newfont = XLoadQueryFont(XtDisplay(Shell1),"9x15"); newfontlist = XmFontListCreate(newfont, XmSTRING_DEFAULT_CHARSET); XtSetArg(args[n], XmNfontList, newfontlist); n++; XtSetArg(args[n], XmNcolumns, NUM_COLUMNS); n++; num_lines = (num_lines > NUM_ROWS) ? NUM_ROWS : num_lines; XtSetArg(args[n], XmNrows, num_lines); n++; XtSetArg(args[n], XmNeditMode, XmMULTI_LINE_EDIT); n++; XtSetArg(args[n], XmNwordWrap, word_wrap); n++; if (word_wrap == True) XtSetArg(args[n], XmNscrollHorizontal, False); n++; Text1 = XmCreateScrolledText(Form1, "Text1", args, n); XtManageChild(Text1); XmTextSetTopCharacter(Text1, (XmTextPosition)TEXT1_TOPCHAR); n = 0; XtSetArg(args[n], XmNx, 10); n++; XtSetArg(args[n], XmNy, TEXT1_Y + 400); n++; quit_button = XmCreatePushButtonGadget(Form1, "Quit", args, n); XtManageChild(quit_button); XtAddCallback(quit_button, XmNactivateCallback, quitCB, NULL); XtRealizeWidget(Shell1); XtAppMainLoop(app_context); } static void quitCB(w, client_data, call_data) Widget w; XtPointer client_data; XtPointer call_data; { printf("Exiting...Please Standby...\n"); XtDestroyWidget(Shell1); fflush(stdout); exit(0); } static void fill_text_buf(num_rows, num_cols) int num_rows, num_cols; { int i, j; char numbuf[6]; int first_time = 1; int common_indx; int init_len; common_indx = (num_cols - MIN_COLS) / 10; if (common_indx < 0 || common_indx > MAX_COMM_INDX) common_indx = MAX_COMM_INDX; strcpy(buffer, common1); strcat(buffer, common_buf[common_indx]); init_len = strlen(buffer); for (i = 0; i < num_rows; i++) { sprintf(numbuf, "%d", i+1); insert_chars(numbuf, first_time); strcat(text_string, buffer); if (first_time) first_time = 0; for (j = 0; j < 5; j++) numbuf[j] = '\0'; } } insert_chars(new, first) char *new; int first; { int i, j, len; char save[150]; len = strlen(new); if (first) strcpy(save, &buffer[NUM_INDX]); else strcpy(save, &buffer[NUM_INDX + MAX_NUM_SPACE]); for (i = NUM_INDX,j = 0; j < len ; i++, j++) buffer[i] = new[j]; if (len < MAX_NUM_SPACE) for (j = 0; j < MAX_NUM_SPACE - len; j++) buffer[i++] = ' '; for (j = 0; save[j] != '\0'; j++, i++) buffer[i] = save[j]; if (first) buffer[i++] = '\n'; buffer[i] = '\0'; } print_usage() { printf("Usage: scrolledText [-c ncols] [-r nrows] [-w wrap_value] [-h]\n"); printf("\tWhere - \n"); printf("\t\tncols - no. of columns(chars) displayed in the text widget\n"); printf("\t\tnrows - no. of rows of text displayed at a time\n"); printf("\t\twrap_value - 0=wordwrap is False; otherwise wordwrap is True\n"); printf("\t\t\"-h\" - will display this message\n"); }