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a less-mangled version of the simple_attr demo

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This commit is contained in:
Dan Buch 2009-11-21 11:19:08 -05:00
parent 92c130fcd5
commit e396c88fd1
1 changed files with 44 additions and 42 deletions
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86
basics/simple_attr.c
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@ -4,51 +4,53 @@
int main(int argc, char *argv[]) int main(int argc, char *argv[])
{ {
int ch, prev, row, col; int ch, prev, row, col;
prev = EOF; prev = EOF;
FILE *fp; FILE *fp;
int y, x; int y, x;
if(argc != 2) if(argc != 2)
{
printf("Usage: %s <a c file name>\n", argv[0]);
exit(1);
}
fp = fopen(argv[1], "r");
if(fp == NULL)
{
perror("Cannot open input file");
exit(1);
}
initscr(); /* Start curses mode */
getmaxyx(stdscr, row, col); /* find the boundaries of the screeen */
while((ch = fgetc(fp)) != EOF) /* read the file till we reach the end */
{
getyx(stdscr, y, x); /* get the current curser position */
if(y == (row - 1)) /* are we are at the end of the screen */
{ {
printw("<-Press Any Key->"); /* tell the user to press a key */ printf("Usage: %s <a c file name>\n", argv[0]);
getch(); exit(1);
clear(); /* clear the screen */
move(0, 0); /* start at the beginning of the screen */
} }
if(prev == '/' && ch == '*') /* If it is / and * then only fp = fopen(argv[1], "r");
* switch bold on */ if(fp == NULL)
{ {
attron(A_BOLD); /* cut bold on */ perror("Cannot open input file");
getyx(stdscr, y, x); /* get the current curser position */ exit(1);
move(y, x - 1); /* back up one space */
printw("%c%c", '/', ch); /* The actual printing is done here */
} }
else initscr(); /* Start curses mode */
printw("%c", ch); getmaxyx(stdscr, row, col); /* find the boundaries of the screeen */
refresh(); while((ch = fgetc(fp)) != EOF) /* read the file till we reach the end */
if(prev == '*' && ch == '/') {
attroff(A_BOLD); /* Switch it off once we got * getyx(stdscr, y, x); /* get the current curser position */
* and then / */ if(y == (row - 1)) /* are we are at the end of the screen */
prev = ch; {
} printw("<-Press Any Key->"); /* tell the user to press a key */
endwin(); /* End curses mode */ getch();
fclose(fp); clear(); /* clear the screen */
return 0; move(0, 0); /* start at the beginning of the screen */
}
if(prev == '/' && ch == '*') /* If it is / and * then only
* switch bold on */
{
attron(A_BOLD); /* cut bold on */
getyx(stdscr, y, x); /* get the current curser position */
move(y, x - 1); /* back up one space */
printw("%c%c", '/', ch); /* The actual printing is done here */
} else {
printw("%c", ch);
}
refresh();
if(prev == '*' && ch == '/') {
attroff(A_BOLD); /* Switch it off once we got */
}
/* and then / */
prev = ch;
}
endwin(); /* End curses mode */
fclose(fp);
return 0;
} }