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#define ALLEGRO_UNSTABLE
#include "allegro5/allegro.h"
#include "allegro5/allegro_font.h"
#include <stdlib.h>
#include <time.h>
#include "common.c"
const int W = 400;
const int H = 200;
int main(int argc, char **argv)
{
ALLEGRO_DISPLAY *displays[2];
ALLEGRO_MONITOR_INFO *info;
int adapter_count;
int x, y;
int jump_x[2], jump_y[2], jump_adapter[2];
ALLEGRO_FONT *myfont;
ALLEGRO_EVENT_QUEUE *events;
ALLEGRO_EVENT event;
ALLEGRO_TIMER *timer;
int i;
(void)argc;
(void)argv;
srand(time(NULL));
if (!al_init()) {
abort_example("Could not init Allegro.\n");
}
al_install_mouse();
al_install_keyboard();
al_init_font_addon();
open_log();
adapter_count = al_get_num_video_adapters();
if (adapter_count == 0) {
abort_example("No adapters found!\n");
}
info = malloc(adapter_count * sizeof(ALLEGRO_MONITOR_INFO));
for (i = 0; i < adapter_count; i++) {
al_get_monitor_info(i, &info[i]);
log_printf("Monitor %d: %d %d - %d %d\n", i, info[i].x1, info[i].y1, info[i].x2, info[i].y2);
}
// center the first window
ALLEGRO_MONITOR_INFO init_info = info[0];
x = (init_info.x1 + init_info.x2 - W) / 2;
y = (init_info.y1 + init_info.y2 - H) / 2;
jump_x[0] = x;
jump_y[0] = y;
jump_adapter[0] = 0;
al_set_new_window_position(x, y);
al_set_new_window_title("Window 1");
al_set_new_display_flags(ALLEGRO_RESIZABLE);
displays[0] = al_create_display(W, H);
// use the default position for the second window
jump_x[1] = INT_MAX;
jump_y[1] = INT_MAX;
jump_adapter[1] = 0;
al_set_new_window_position(INT_MAX, INT_MAX);
al_set_new_window_title("Window 2");
displays[1] = al_create_display(W, H);
if (!displays[0] || !displays[1]) {
abort_example("Could not create displays.\n");
}
myfont = al_create_builtin_font();
timer = al_create_timer(1 / 60.);
events = al_create_event_queue();
al_register_event_source(events, al_get_mouse_event_source());
al_register_event_source(events, al_get_display_event_source(displays[0]));
al_register_event_source(events, al_get_display_event_source(displays[1]));
al_register_event_source(events, al_get_timer_event_source(timer));
al_register_event_source(events, al_get_keyboard_event_source());
bool redraw = true;
al_start_timer(timer);
while (true) {
if (al_is_event_queue_empty(events) && redraw) {
for (i = 0; i < 2; i++) {
int dx, dy, dw, dh;
al_set_target_backbuffer(displays[i]);
al_set_blender(ALLEGRO_ADD, ALLEGRO_ONE, ALLEGRO_INVERSE_ALPHA);
if (i == 0)
al_clear_to_color(al_map_rgb(255, 0, 255));
else
al_clear_to_color(al_map_rgb(155, 255, 0));
al_set_blender(ALLEGRO_ADD, ALLEGRO_ONE, ALLEGRO_INVERSE_ALPHA);
al_get_window_position(displays[i], &dx, &dy);
dw = al_get_display_width(displays[i]);
dh = al_get_display_height(displays[i]);
al_draw_textf(myfont, al_map_rgb(0, 0, 0), dw / 2, dh / 2 - 30, ALLEGRO_ALIGN_CENTRE, "Location: %d %d (adapter %d)",
dx, dy, al_get_display_adapter(displays[i]));
if (jump_x[i] != INT_MAX && jump_y[i] != INT_MAX) {
al_draw_textf(myfont, al_map_rgb(0, 0, 0), dw / 2, dh / 2 - 15, ALLEGRO_ALIGN_CENTRE,
"Last jumped to: %d %d (adapter %d)", jump_x[i], jump_y[i], jump_adapter[i]);
}
else {
al_draw_textf(myfont, al_map_rgb(0, 0, 0), dw / 2, dh / 2 - 15, ALLEGRO_ALIGN_CENTRE,
"Last placed to default position (adapter %d)", jump_adapter[i]);
}
al_draw_textf(myfont, al_map_rgb(0, 0, 0), dw / 2, dh / 2 + 0, ALLEGRO_ALIGN_CENTRE, "Size: %dx%d", dw, dh);
int bl = 0, bt = 0;
bool b = al_get_window_borders(displays[i], &bl, &bt, NULL, NULL);
if (b)
al_draw_textf(myfont, al_map_rgb(0, 0, 0), dw / 2, dh / 2 + 15, ALLEGRO_ALIGN_CENTRE, "Borders: left=%d top=%d", bl, bt);
else
al_draw_textf(myfont, al_map_rgb(0, 0, 0), dw / 2, dh / 2 + 15, ALLEGRO_ALIGN_CENTRE, "Borders: unknown");
al_draw_textf(myfont, al_map_rgb(0, 0, 0), dw / 2, dh / 2 + 30, ALLEGRO_ALIGN_CENTRE, "Click left to jump!");
al_draw_textf(myfont, al_map_rgb(0, 0, 0), dw / 2, dh / 2 + 45, ALLEGRO_ALIGN_CENTRE, "Click right to swap!");
al_flip_display();
}
redraw = false;
}
al_wait_for_event(events, &event);
if (event.type == ALLEGRO_EVENT_DISPLAY_CLOSE) {
break;
}
else if (event.type == ALLEGRO_EVENT_MOUSE_BUTTON_DOWN) {
if (event.mouse.button == 1) {
int a = rand() % adapter_count;
int w = info[a].x2 - info[a].x1;
int h = info[a].y2 - info[a].y1;
int margin = 20;
int i = event.mouse.display == displays[0] ? 0 : 1;
x = margin + info[a].x1 + (rand() % (w - W - 2 * margin));
y = margin + info[a].y1 + (rand() % (h - H - 2 * margin));
jump_x[i] = x;
jump_y[i] = y;
jump_adapter[i] = a;
log_printf("moving window %d to %d/%d\n", 1 + i, x, y);
al_set_window_position(event.mouse.display, x, y);
}
else {
log_printf("swapping windows\n");
al_get_window_position(displays[0], jump_x + 1, jump_y + 1);
al_get_window_position(displays[1], jump_x, jump_y);
al_set_window_position(displays[0], jump_x[0], jump_y[0]);
al_set_window_position(displays[1], jump_x[1], jump_y[1]);
}
}
else if (event.type == ALLEGRO_EVENT_KEY_DOWN) {
if (event.keyboard.keycode == ALLEGRO_KEY_SPACE) {
al_get_window_position(event.keyboard.display, &x, &y);
int i = event.mouse.display == displays[0] ? 0 : 1;
jump_x[i] = x;
jump_y[i] = y;
al_set_window_position(event.keyboard.display, x, y);
}
}
else if (event.type == ALLEGRO_EVENT_TIMER) {
redraw = true;
}
else if (event.type == ALLEGRO_EVENT_DISPLAY_RESIZE) {
al_acknowledge_resize(event.display.source);
}
}
al_destroy_event_queue(events);
al_destroy_display(displays[0]);
al_destroy_display(displays[1]);
free(info);
close_log(true);
return 0;
}
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