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/*
* Example program for the Allegro library.
*
* This program tests if the ALLEGRO_MOUSE_STATE `display' field
* is set correctly.
*/
#include <stdio.h>
#include "allegro5/allegro.h"
#include "common.c"
static ALLEGRO_DISPLAY *display1;
static ALLEGRO_DISPLAY *display2;
static void redraw(ALLEGRO_COLOR color1, ALLEGRO_COLOR color2)
{
al_set_target_backbuffer(display1);
al_clear_to_color(color1);
al_flip_display();
al_set_target_backbuffer(display2);
al_clear_to_color(color2);
al_flip_display();
}
int main(int argc, char **argv)
{
ALLEGRO_COLOR black;
ALLEGRO_COLOR red;
ALLEGRO_MOUSE_STATE mst0;
ALLEGRO_MOUSE_STATE mst;
ALLEGRO_KEYBOARD_STATE kst;
(void)argc;
(void)argv;
if (!al_init()) {
abort_example("Couldn't initialise Allegro.\n");
}
if (!al_install_mouse()) {
abort_example("Couldn't install mouse.\n");
}
if (!al_install_keyboard()) {
abort_example("Couldn't install keyboard.\n");
}
display1 = al_create_display(300, 300);
display2 = al_create_display(300, 300);
if (!display1 || !display2) {
al_destroy_display(display1);
al_destroy_display(display2);
abort_example("Couldn't open displays.\n");
}
open_log();
log_printf("Move the mouse cursor over the displays\n");
black = al_map_rgb(0, 0, 0);
red = al_map_rgb(255, 0, 0);
memset(&mst0, 0, sizeof(mst0));
while (1) {
al_get_mouse_state(&mst);
if (mst.display != mst0.display ||
mst.x != mst0.x ||
mst.y != mst0.y) {
if (mst.display == NULL)
log_printf("Outside either display\n");
else if (mst.display == display1)
log_printf("In display 1, x = %d, y = %d\n", mst.x, mst.y);
else if (mst.display == display2)
log_printf("In display 2, x = %d, y = %d\n", mst.x, mst.y);
else {
log_printf("Unknown display = %p, x = %d, y = %d\n", mst.display,
mst.x, mst.y);
}
mst0 = mst;
}
if (mst.display == display1) {
redraw(red, black);
}
else if (mst.display == display2) {
redraw(black, red);
}
else {
redraw(black, black);
}
al_rest(0.1);
al_get_keyboard_state(&kst);
if (al_key_down(&kst, ALLEGRO_KEY_ESCAPE)) {
break;
}
}
close_log(false);
return 0;
}
/* vim: set sts=3 sw=3 et: */
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