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#include "tickit.h"
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
int term_lines, term_cols;
static void scroll(TickitTerm *tt, int downward, int rightward)
{
tickit_term_scrollrect(tt, (TickitRect){ 2, 2, term_lines - 4, term_cols - 4 }, downward, rightward);
}
static void resize(TickitTerm *tt, int lines, int cols)
{
term_lines = lines;
term_cols = cols;
tickit_term_goto(tt, 0, 2);
tickit_term_print(tt, "Scroll up");
tickit_term_goto(tt, 1, 2);
tickit_term_print(tt, "-----------");
tickit_term_goto(tt, lines - 2, 2);
tickit_term_print(tt, "-----------");
tickit_term_goto(tt, lines - 1, 2);
tickit_term_print(tt, "Scroll down");
for(int line = 0; line < 12; line++) {
char buf[3];
sprintf(buf, "%c-", "Scroll left "[line]);
tickit_term_goto(tt, line + 2, 0);
tickit_term_print(tt, buf);
sprintf(buf, "-%c", "Scroll right"[line]);
tickit_term_goto(tt, line + 2, cols - 2);
tickit_term_print(tt, buf);
}
}
static int key_event(TickitTerm *tt, TickitEventFlags flags, void *_info, void *data)
{
TickitKeyEventInfo *info = _info;
if(info->type != TICKIT_KEYEV_KEY)
return 1;
const char *key = info->str;
if(strcmp(key, "Up") == 0)
scroll(tt, -1, 0);
else if(strcmp(key, "Down") == 0)
scroll(tt, +1, 0);
else if(strcmp(key, "Left") == 0)
scroll(tt, 0, -1);
else if(strcmp(key, "Right") == 0)
scroll(tt, 0, +1);
else
return 1;
tickit_term_flush(tt);
return 1;
}
static int mouse_event(TickitTerm *tt, TickitEventFlags flags, void *_info, void *data)
{
TickitMouseEventInfo *info = _info;
if(info->button != 1 || info->type != TICKIT_MOUSEEV_PRESS)
return 1;
int line = info->line;
int col = info->col;
if(line < 1)
scroll(tt, -1, 0);
else if(line > term_lines - 2)
scroll(tt, +1, 0);
else if(col < 1)
scroll(tt, 0, -1);
else if(col > term_cols - 2)
scroll(tt, 0, +1);
else
return 1;
tickit_term_flush(tt);
return 1;
}
static int resize_event(TickitTerm *tt, TickitEventFlags flags, void *_info, void *data)
{
TickitResizeEventInfo *info = _info;
resize(tt, info->lines, info->cols);
return 1;
}
static int render(Tickit *t, TickitEventFlags flags, void *data, void *user)
{
TickitTerm *tt = tickit_get_term(t);
int lines, cols;
tickit_term_get_size(tt, &lines, &cols);
resize(tt, lines, cols);
for(int line = 2; line < lines - 2; line++) {
char buf[64];
sprintf(buf, "content on line %d here", line);
tickit_term_goto(tt, line, 5);
tickit_term_print(tt, buf);
}
tickit_term_flush(tt);
return 0;
}
int main(int argc, char *argv[])
{
Tickit *t = tickit_new_stdtty();
TickitTerm *tt = tickit_get_term(t);
if(!tt) {
fprintf(stderr, "Cannot create TickitTerm - %s\n", strerror(errno));
return 1;
}
tickit_term_setctl_int(tt, TICKIT_TERMCTL_MOUSE, TICKIT_TERM_MOUSEMODE_CLICK);
tickit_term_bind_event(tt, TICKIT_TERM_ON_KEY, 0, &key_event, NULL);
tickit_term_bind_event(tt, TICKIT_TERM_ON_MOUSE, 0, &mouse_event, NULL);
tickit_term_bind_event(tt, TICKIT_TERM_ON_RESIZE, 0, &resize_event, NULL);
tickit_watch_later(t, 0, &render, NULL);
tickit_run(t);
tickit_unref(t);
return 0;
}
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