int main(int argc, char **argv) { ALLEGRO_DISPLAY *display; ALLEGRO_BITMAP *cursor; ALLEGRO_MOUSE_STATE msestate; ALLEGRO_KEYBOARD_STATE kbdstate; int i; (void)argc; (void)argv; if (!al_init()) { abort_example("Could not init Allegro.\n"); } al_init_primitives_addon(); al_install_mouse(); al_install_keyboard(); al_init_image_addon(); init_platform_specific(); display = al_create_display(640, 480); if (!display) { abort_example("Error creating display\n"); } al_hide_mouse_cursor(display); cursor = al_load_bitmap("data/cursor.tga"); if (!cursor) { abort_example("Error loading cursor.tga\n"); } do { al_get_mouse_state(&msestate); al_get_keyboard_state(&kbdstate); al_clear_to_color(al_map_rgb(0xff, 0xff, 0xc0)); for (i = 1; i <= NUM_BUTTONS; i++) { draw_mouse_button(i, al_mouse_button_down(&msestate, i)); } al_draw_bitmap(cursor, msestate.x, msestate.y, 0); al_flip_display(); al_rest(0.005); } while (!al_key_down(&kbdstate, ALLEGRO_KEY_ESCAPE)); return 0; }
int main(void) { ALLEGRO_DISPLAY *display; ALLEGRO_BITMAP *cursor; ALLEGRO_EVENT_QUEUE *queue; ALLEGRO_EVENT event; ALLEGRO_FONT *font; int mx = 0; int my = 0; int mz = 0; int mw = 0; int mmx = 0; int mmy = 0; int mmz = 0; int mmw = 0; bool in = true; bool buttons[NUM_BUTTONS] = {false}; int i; float p = 0.0; ALLEGRO_COLOR black; if (!al_init()) { abort_example("Could not init Allegro.\n"); } al_init_primitives_addon(); al_install_mouse(); al_install_keyboard(); al_init_image_addon(); al_init_font_addon(); actual_buttons = al_get_mouse_num_buttons(); if (actual_buttons > NUM_BUTTONS) actual_buttons = NUM_BUTTONS; al_set_new_display_flags(ALLEGRO_RESIZABLE); display = al_create_display(640, 480); if (!display) { abort_example("Error creating display\n"); } al_hide_mouse_cursor(display); cursor = al_load_bitmap("data/cursor.tga"); if (!cursor) { abort_example("Error loading cursor.tga\n"); } font = al_load_font("data/fixed_font.tga", 1, 0); if (!font) { abort_example("data/fixed_font.tga not found\n"); } black = al_map_rgb_f(0, 0, 0); queue = al_create_event_queue(); al_register_event_source(queue, al_get_mouse_event_source()); al_register_event_source(queue, al_get_keyboard_event_source()); al_register_event_source(queue, al_get_display_event_source(display)); while (1) { if (al_is_event_queue_empty(queue)) { al_clear_to_color(al_map_rgb(0xff, 0xff, 0xc0)); for (i = 0; i < actual_buttons; i++) { draw_mouse_button(i, buttons[i]); } al_draw_bitmap(cursor, mx, my, 0); al_set_blender(ALLEGRO_ADD, ALLEGRO_ONE, ALLEGRO_INVERSE_ALPHA); al_draw_textf(font, black, 5, 5, 0, "dx %i, dy %i, dz %i, dw %i", mmx, mmy, mmz, mmw); al_draw_textf(font, black, 5, 25, 0, "x %i, y %i, z %i, w %i", mx, my, mz, mw); al_draw_textf(font, black, 5, 45, 0, "p = %g", p); al_draw_textf(font, black, 5, 65, 0, "%s", in ? "in" : "out"); al_set_blender(ALLEGRO_ADD, ALLEGRO_ONE, ALLEGRO_INVERSE_ALPHA); mmx = mmy = mmz = 0; al_flip_display(); } al_wait_for_event(queue, &event); switch (event.type) { case ALLEGRO_EVENT_MOUSE_AXES: mx = event.mouse.x; my = event.mouse.y; mz = event.mouse.z; mw = event.mouse.w; mmx = event.mouse.dx; mmy = event.mouse.dy; mmz = event.mouse.dz; mmw = event.mouse.dw; p = event.mouse.pressure; break; case ALLEGRO_EVENT_MOUSE_BUTTON_DOWN: if (event.mouse.button-1 < NUM_BUTTONS) { buttons[event.mouse.button-1] = true; } p = event.mouse.pressure; break; case ALLEGRO_EVENT_MOUSE_BUTTON_UP: if (event.mouse.button-1 < NUM_BUTTONS) { buttons[event.mouse.button-1] = false; } p = event.mouse.pressure; break; case ALLEGRO_EVENT_MOUSE_ENTER_DISPLAY: in = true; break; case ALLEGRO_EVENT_MOUSE_LEAVE_DISPLAY: in = false; break; case ALLEGRO_EVENT_KEY_DOWN: if (event.keyboard.keycode == ALLEGRO_KEY_ESCAPE) { goto done; } break; case ALLEGRO_EVENT_DISPLAY_RESIZE: al_acknowledge_resize(event.display.source); break; case ALLEGRO_EVENT_DISPLAY_CLOSE: goto done; } } done: al_destroy_event_queue(queue); return 0; }