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#include "allegro5/allegro.h"
#include "allegro5/allegro_image.h"
#include "allegro5/allegro_font.h"
#include "allegro5/allegro_primitives.h"
#include "common.c"
#define NUM_BUTTONS 5
static int actual_buttons;
static void draw_mouse_button(int but, bool down)
{
const int offset[NUM_BUTTONS] = {0, 70, 35, 105, 140};
ALLEGRO_COLOR grey;
ALLEGRO_COLOR black;
int x;
int y;
x = 400 + offset[but];
y = 130;
grey = al_map_rgb(0xe0, 0xe0, 0xe0);
black = al_map_rgb(0, 0, 0);
al_draw_filled_rectangle(x, y, x + 27, y + 42, grey);
al_draw_rectangle(x + 0.5, y + 0.5, x + 26.5, y + 41.5, black, 0);
if (down) {
al_draw_filled_rectangle(x + 2, y + 2, x + 25, y + 40, black);
}
}
int main(int argc, char **argv)
{
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;
int precision = 1;
bool in = true;
bool buttons[NUM_BUTTONS] = {false};
int i;
float p = 0.0;
ALLEGRO_COLOR black;
(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();
al_init_font_addon();
init_platform_specific();
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");
}
// Resize the display - this is to excercise the resizing code wrt.
// the cursor display boundary, which requires some special care on some
// platforms (such as OSX).
al_resize_display(display, 640*1.5, 480*1.5);
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_draw_textf(font, black, 5, 85, 0, "wheel precision (PgUp/PgDn) %d", precision);
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_KEY_CHAR:
if (event.keyboard.keycode == ALLEGRO_KEY_PGUP) {
precision++;
al_set_mouse_wheel_precision(precision);
}
else if (event.keyboard.keycode == ALLEGRO_KEY_PGDN) {
precision--;
if (precision < 1)
precision = 1;
al_set_mouse_wheel_precision(precision);
}
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;
}
/* vim: set sw=3 sts=3 et: */
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