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- Committer: Bazaar Package Importer
- Author(s): Joey Hess
- Date: 2001-10-05 20:09:25 UTC
- Revision ID: james.westby@ubuntu.com-20011005200925-1crvu3veaaofavdb
Tags: upstream-1.6.5
Import upstream version 1.6.5
- files added:
- escapes
- examples
- utils
added
removed
vtmouse.c
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/* This is a program to show how mouse events can be handled by programs
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running under an xterm window.
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-Sam Lantinga 5/11/94
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*/
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#define SPLITVT_SOURCE
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#include <stdio.h>
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#include "vtmouse.h"
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extern FILE *safe_popen(); /* From misc.c */
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#ifdef MAIN
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void event_loop()
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{
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int c, event_flag;
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struct event X_event;
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while ( (c=event_getc(&X_event)) != EOF ) {
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if ( X_event.happening ) {
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printf("\r\n************\r\n");
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printf("Mouse Event: 0x%x\r\n", X_event.button_state);
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printf("\tX coordinate: %d\r\n", X_event.x);
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printf("\tY coordinate: %d\r\n", X_event.y);
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/* One example of getting the mouse state */
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printf("\tX Event: ");
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switch(X_event.button_state&BUTTON_MASK) {
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case RELEASE: printf("Button was released!\r\n");
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break;
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default: printf("Button %d was pressed!\r\n",
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(X_event.button_state&BUTTON_MASK)+1);
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break;
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}
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/* Another example of getting the mouse state */
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printf("\tMouse %s buttons <%c|%c|%c>\r\n",
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(BUTTON_ISSET(X_event, RELEASE) ? "released" : "pressed"),
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(BUTTON_ISSET(X_event, BUTTON_1) ? 'X' : ' '),
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(BUTTON_ISSET(X_event, BUTTON_2) ? 'X' : ' '),
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(BUTTON_ISSET(X_event, BUTTON_3) ? 'X' : ' '));
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#ifdef REPORT_SELECTION
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if ( (X_event.button_state&SELECTED) == SELECTED )
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printf("Selection: Start x=%d, y=%d; End x=%d, y=%d\r\n",
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X_event.selection.begin_col,
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X_event.selection.begin_row,
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X_event.selection.end_col,
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X_event.selection.end_row);
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#endif /* REPORT_SELECTION */
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printf("************\r\n");
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} else {
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if ( c == '\r' ) {
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putc('\r', stdout);
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putc('\n', stdout);
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} else if ( c < ' ' ) {
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putc('^', stdout);
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putc(c+'@', stdout);
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} else if ( c == 'Q' )
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return;
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else
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putc(c, stdout);
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}
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}
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}
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int main(int argc, char *argv[])
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{
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if ( event_init(stdin, stdout, NULL) < 0 ) {
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printf("Not running under an xterm.\n");
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exit(2);
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}
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system("stty -echo raw");
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event_loop();
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system("stty -raw echo");
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event_quit();
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exit(0);
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}
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#endif
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/* I/O streams default to stdin and stdout. */
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static FILE *xt_input, *xt_output;
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static int have_xterm=0;
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static int set_title=0;
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static char *old_title=NULL;
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int terminal_input=0; /* Is there pending terminal input? */
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static char *get_xtitle()
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{
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char buffer[512], *title;
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FILE *pipe;
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strcpy(buffer, "xterm");
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if ( (title=(char *)getenv("WINDOWID")) ) {
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if ( (strlen("xprop -id ")+strlen(title)+1) > 512 )
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goto NoTitle;
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sprintf(buffer, "xprop -id %s", title);
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if ( (pipe=safe_popen(buffer, "r")) ) {
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while ( fgets(buffer, 511, pipe) );
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/* Last line should be 'WM_NAME(STRING) = "title"' */
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if (strlen(buffer) > strlen("WM_NAME(STRING) = \"")) {
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buffer[strlen(buffer)-2]='\0';
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title=(buffer+strlen("WM_NAME(STRING) = \""));
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strcpy(buffer, title);
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} else
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strcpy(buffer, "xterm");
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safe_pclose(pipe);
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} else NoTitle:
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strcpy(buffer, "xterm");
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}
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if ( (title=(char *)malloc(strlen(buffer)+1)) == NULL )
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return(NULL);
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strcpy(title, buffer);
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return(title);
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}
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static void set_xtitle(titlebar)
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char *titlebar;
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{
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fprintf(xt_output, "\033]0;%s\07", titlebar);
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fflush(xt_output);
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}
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int event_init(input, output, titlebar)
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FILE *input, *output;
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char *titlebar;
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{
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char *termtype;
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/* A program can assume that input is unbuffered after this routine */
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setbuf(input, NULL);
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xt_input=input;
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xt_output=output;
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/* Check for xterm terminal type */
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if ( (termtype=(char *)getenv("TERM")) && strcmp(termtype, "xterm") == 0 ) {
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#ifdef REPORT_SELECTION
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fprintf(xt_output, "\033[?1001h");
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#else
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fprintf(xt_output, "\033[?1000h");
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#endif /* REPORT_SELECTION */
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fflush(xt_output);
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have_xterm=1;
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old_title=get_xtitle();
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if ( titlebar ) {
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set_xtitle(titlebar);
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set_title=1;
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}
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} else {
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return(-1);
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}
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return(0);
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}
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int event_getc(X_event)
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struct event *X_event;
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{
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#ifdef REPORT_SELECTION
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static int last_row, last_col;
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#endif
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int c;
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static char prefix[8], *next;
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#ifdef SPLITVT_SOURCE
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extern struct physical physical;
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window *thiswin;
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#endif
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X_event->happening=0;
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if ( have_xterm ) {
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if ( terminal_input == 0 ) { /* Brand new input */
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strcpy(prefix, "\033["); /* Sequence prefix */
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next=prefix;
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while ( (c=getc(xt_input)) != EOF ) {
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if ( *next ) {
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if ( c != *next ) {
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*next = c;
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terminal_input=(next-prefix);
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next=prefix;
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return(*(next++));
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} else
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++next;
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} else
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break;
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}
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} else { /* We already have input to return */
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--terminal_input;
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return(*(next++));
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}
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/* If we got here, we got prefix + c */
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switch (c) {
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case 'M': /* ^[[M%d%d%d (assume getc() is ok) */
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X_event->button_state =
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(getc(xt_input)-' ');
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X_event->y=(getc(xt_input)-' ');
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last_col=X_event->y;
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X_event->x=(getc(xt_input)-' ');
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last_row=X_event->x;
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#ifdef REPORT_SELECTION
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if (BUTTON_ISSET((*X_event), BUTTON_1))
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{ /* Tell xterm to start selection */
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#ifdef SPLITVT_SOURCE
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if ( X_event->x < (physical.subwins[LOWER])->row_offset )
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thiswin=physical.subwins[UPPER];
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else if ( X_event->x > (physical.subwins[LOWER])->row_offset )
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thiswin=physical.subwins[LOWER];
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else { /* On separator bar -- don't start cut-paste there */
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fprintf(xt_output, "\033[0;0;0;0;0T");
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fflush(xt_output);
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X_event->happening=1;
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break;
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}
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fprintf(xt_output, "\033[1;%d;%d;%d;%dT",
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/* startcol, startrow, */
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X_event->y, X_event->x,
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/* first row */
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1 + thiswin->row_offset,
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/* last row */
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thiswin->rows + thiswin->row_offset+1);
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#else
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fprintf(xt_output,
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"\033[1;%d;%d;%d;%dT",
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/* startcol, startrow, */
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X_event->y, X_event->x,
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/* firstrow, lastrow */
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1, 24);
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#endif /* SPLITVT_SOURCE */
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fflush(xt_output);
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}
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#endif /* REPORT_SELECTION */
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X_event->happening=1;
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break;
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#ifdef REPORT_SELECTION
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case 't': /* ^[[t%d%d */
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X_event->button_state =
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(RELEASE|SELECTED);
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X_event->selection.begin_row=last_row;
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X_event->selection.begin_col=last_col;
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X_event->selection.end_col =
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(getc(xt_input)-' ');
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X_event->selection.end_row =
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(getc(xt_input)-' ');
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X_event->happening=1;
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break;
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case 'T': /* ^[[T%d%d%d%d%d%d */
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X_event->y=(getc(xt_input)-' ');
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X_event->x=(getc(xt_input)-' ');
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X_event->button_state =
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(RELEASE|SELECTED);
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X_event->selection.begin_col =
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(getc(xt_input)-' ');
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X_event->selection.begin_row =
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(getc(xt_input)-' ');
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X_event->selection.end_col =
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(getc(xt_input)-' ');
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X_event->selection.end_row =
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(getc(xt_input)-' ');
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X_event->happening=1;
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break;
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#endif /* REPORT_SELECTION */
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case EOF: /* We got EOF, return EOF */
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return(EOF);
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break;
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default: /* It's not an event sequence */
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*next = c;
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terminal_input=(next-prefix);
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next=prefix;
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return(*(next++));
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break;
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}
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} else
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return(getc(xt_input));
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return(0);
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}
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void event_quit()
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{
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if ( have_xterm ) {
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#ifdef REPORT_SELECTION
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fprintf(xt_output, "\033[?1001l");
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#else
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fprintf(xt_output, "\033[?1000l");
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#endif /* REPORT_SELECTION */
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fflush(xt_output);
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if ( set_title && old_title ) {
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set_xtitle(old_title);
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(void) free(old_title);
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}
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}
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}
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