hackthelobby/libcaca/examples/mouse.c

91 lines
2.3 KiB
C

/*
* mouse libcaca mouse events
* Copyright (c) 2006-2012 Jean-Yves Lamoureux <jylam@lnxscene.org>
* All Rights Reserved
*
* This program is free software. It comes without any warranty, to
* the extent permitted by applicable law. You can redistribute it
* and/or modify it under the terms of the Do What the Fuck You Want
* to Public License, Version 2, as published by Sam Hocevar. See
* http://www.wtfpl.net/ for more details.
*/
#include "config.h"
#if !defined(__KERNEL__)
# include <math.h>
# include <string.h>
# include <stdio.h>
#endif
#include "caca.h"
int main(int argc, char *argv[])
{
int quit = 0;
int x = 0, y = 0, p = 0, b = 0;
caca_canvas_t *cv;
caca_display_t *dp;
cv = caca_create_canvas(80, 24);
if (cv == NULL)
{
printf("Failed to create canvas\n");
return 1;
}
dp = caca_create_display(cv);
if (dp == NULL)
{
printf("Failed to create display\n");
return 1;
}
caca_set_display_time(dp, 40000);
caca_set_cursor(dp, 0);
while (!quit)
{
caca_event_t ev;
while (caca_get_event(dp, CACA_EVENT_ANY, &ev, 0))
{
if ((caca_get_event_type(&ev) & CACA_EVENT_KEY_PRESS))
{
quit = 1;
}
if (caca_get_event_type(&ev) & CACA_EVENT_MOUSE_MOTION)
{
x = caca_get_event_mouse_x(&ev);
y = caca_get_event_mouse_y(&ev);
}
if (caca_get_event_type(&ev) & CACA_EVENT_MOUSE_PRESS)
{
p = 1;
b = caca_get_event_mouse_button(&ev);
}
else if (caca_get_event_type(&ev) & CACA_EVENT_MOUSE_RELEASE)
{
p = 0;
b = caca_get_event_mouse_button(&ev);
}
}
caca_printf(cv, 0, 0, "%d,%d", x, y);
if (b)
{
caca_printf(cv, 0, 1, "Mouse button %d %s", b,
p == 1 ? "pressed" : "released");
}
caca_printf(cv, x - 2, y - 1, " |");
caca_printf(cv, x - 2, y, "--|--");
caca_printf(cv, x - 2, y + 1, " |");
caca_refresh_display(dp);
caca_clear_canvas(cv);
}
caca_free_display(dp);
caca_free_canvas(cv);
return 0;
}