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mangling the simple attr example (8.)

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This commit is contained in:
Dan Buch 2009-11-21 11:15:39 -05:00
parent 579ad3c15e
commit e8f71e4fd8
1 changed files with 38 additions and 45 deletions
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49
basics/simple_attr.c
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@ -1,4 +1,3 @@
/* pager functionality by Joseph Spainhour" <spainhou@bellsouth.net> */
#include <ncurses.h> #include <ncurses.h>
#include <stdlib.h> #include <stdlib.h>
@ -9,46 +8,40 @@ int main(int argc, char *argv[])
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]); printf("Usage: %s <a c file name>\n", argv[0]);
exit(1); exit(1);
} }
fp = fopen(argv[1], "r"); fp = fopen(argv[1], "r");
if(fp == NULL) if (fp == NULL) {
{
perror("Cannot open input file"); perror("Cannot open input file");
exit(1); exit(1);
} }
initscr(); /* Start curses mode */ initscr();
getmaxyx(stdscr, row, col); /* find the boundaries of the screeen */ getmaxyx(stdscr, row, col);
while((ch = fgetc(fp)) != EOF) /* read the file till we reach the end */ while ((ch = fgetc(fp)) != EOF) {
{ getyx(stdscr, y, x);
getyx(stdscr, y, x); /* get the current curser position */ if (y == (row - 1)) {
if(y == (row - 1)) /* are we are at the end of the screen */ printw("<-Press Any Key->");
{
printw("<-Press Any Key->"); /* tell the user to press a key */
getch(); getch();
clear(); /* clear the screen */ clear();
move(0, 0); /* start at the beginning of the screen */ move(0, 0);
} }
if(prev == '/' && ch == '*') /* If it is / and * then only if (prev == '/' && ch == '*') {
* switch bold on */ attron(A_BOLD | COLOR_GREEN);
{ getyx(stdscr, y, x);
attron(A_BOLD); /* cut bold on */ move(y, x - 1);
getyx(stdscr, y, x); /* get the current curser position */ printw("%c%c", '/', ch);
move(y, x - 1); /* back up one space */ } else {
printw("%c%c", '/', ch); /* The actual printing is done here */
}
else
printw("%c", ch); printw("%c", ch);
refresh(); refresh();
if(prev == '*' && ch == '/') if (prev == '*' && ch == '/') {
attroff(A_BOLD); /* Switch it off once we got * attroff(A_BOLD | COLOR_GREEN);
* and then / */
prev = ch; prev = ch;
} }
endwin(); /* End curses mode */ }
}
endwin();
fclose(fp); fclose(fp);
return 0; return 0;
} }