static void
frame_callback(void *data, struct wl_callback *callback, uint32_t time)
{
struct resizor *resizor = data;
assert(!callback || callback == resizor->frame_callback);
if (resizor->frame_callback) {
wl_callback_destroy(resizor->frame_callback);
resizor->frame_callback = NULL;
}
if (window_is_maximized(resizor->window))
return;
spring_update(&resizor->width);
spring_update(&resizor->height);
widget_schedule_resize(resizor->widget,
resizor->width.current + 0.5,
resizor->height.current + 0.5);
if (!spring_done(&resizor->width) || !spring_done(&resizor->height)) {
resizor->frame_callback =
wl_surface_frame(
window_get_wl_surface(resizor->window));
wl_callback_add_listener(resizor->frame_callback, &listener,
resizor);
}
}
static void
locked_pointer_frame_callback(void *data,
struct wl_callback *callback,
uint32_t time)
{
struct resizor *resizor = data;
struct wl_surface *surface;
struct rectangle allocation;
float x, y;
if (resizor->pointer_locked) {
widget_get_allocation(resizor->widget, &allocation);
x = resizor->pointer_x + (allocation.width - allocation.x);
y = resizor->pointer_y + (allocation.height - allocation.y);
widget_set_locked_pointer_cursor_hint(resizor->widget, x, y);
}
wl_callback_destroy(callback);
surface = window_get_wl_surface(resizor->window);
callback = wl_surface_frame(surface);
wl_callback_add_listener(callback,
&locked_pointer_frame_listener,
resizor);
}
static void
keyboard_create(struct output *output, struct virtual_keyboard *virtual_keyboard)
{
struct keyboard *keyboard;
const struct layout *layout;
struct wl_input_panel_surface *ips;
layout = get_current_layout(virtual_keyboard);
keyboard = xzalloc(sizeof *keyboard);
keyboard->keyboard = virtual_keyboard;
keyboard->window = window_create_custom(virtual_keyboard->display);
keyboard->widget = window_add_widget(keyboard->window, keyboard);
virtual_keyboard->keyboard = keyboard;
window_set_title(keyboard->window, "Virtual keyboard");
window_set_user_data(keyboard->window, keyboard);
widget_set_redraw_handler(keyboard->widget, redraw_handler);
widget_set_resize_handler(keyboard->widget, resize_handler);
widget_set_button_handler(keyboard->widget, button_handler);
window_schedule_resize(keyboard->window,
layout->columns * key_width,
layout->rows * key_height);
ips = wl_input_panel_get_input_panel_surface(virtual_keyboard->input_panel,
window_get_wl_surface(keyboard->window));
wl_input_panel_surface_set_toplevel(ips,
output_get_wl_output(output),
WL_INPUT_PANEL_SURFACE_POSITION_CENTER_BOTTOM);
}
static void
keyboard_create(struct output *output, struct virtual_keyboard *virtual_keyboard)
{
struct keyboard *keyboard;
keyboard = malloc(sizeof *keyboard);
memset(keyboard, 0, sizeof *keyboard);
keyboard->keyboard = virtual_keyboard;
keyboard->window = window_create_custom(virtual_keyboard->display);
keyboard->widget = window_add_widget(keyboard->window, keyboard);
window_set_title(keyboard->window, "Virtual keyboard");
window_set_user_data(keyboard->window, keyboard);
widget_set_redraw_handler(keyboard->widget, redraw_handler);
widget_set_resize_handler(keyboard->widget, resize_handler);
widget_set_button_handler(keyboard->widget, button_handler);
window_schedule_resize(keyboard->window,
columns * key_width,
rows * key_height);
input_panel_set_surface(virtual_keyboard->input_panel,
window_get_wl_surface(keyboard->window),
output_get_wl_output(output));
}
static void
text_entry_activate(struct text_entry *entry,
struct wl_seat *seat)
{
struct wl_surface *surface = window_get_wl_surface(entry->window);
text_model_activate(entry->model,
seat,
surface);
}
static void
frame_callback(struct wl_surface *surface, void *data, uint32_t time)
{
struct gears *gears = data;
gears->angle = (GLfloat) (time % 8192) * 360 / 8192.0;
window_schedule_redraw(gears->window);
wl_display_frame_callback(display_get_display(gears->d),
window_get_wl_surface(gears->window),
frame_callback, gears);
}
static void
redraw_handler(struct widget *widget, void *data)
{
struct smoke *smoke = data;
uint32_t time = smoke->time;
struct wl_callback *callback;
cairo_surface_t *surface;
diffuse(smoke, time / 30, smoke->b[0].u, smoke->b[1].u);
diffuse(smoke, time / 30, smoke->b[0].v, smoke->b[1].v);
project(smoke, time / 30,
smoke->b[1].u, smoke->b[1].v,
smoke->b[0].u, smoke->b[0].v);
advect(smoke, time / 30,
smoke->b[1].u, smoke->b[1].v,
smoke->b[1].u, smoke->b[0].u);
advect(smoke, time / 30,
smoke->b[1].u, smoke->b[1].v,
smoke->b[1].v, smoke->b[0].v);
project(smoke, time / 30,
smoke->b[0].u, smoke->b[0].v,
smoke->b[1].u, smoke->b[1].v);
diffuse(smoke, time / 30, smoke->b[0].d, smoke->b[1].d);
advect(smoke, time / 30,
smoke->b[0].u, smoke->b[0].v,
smoke->b[1].d, smoke->b[0].d);
surface = window_get_surface(smoke->window);
render(smoke, surface);
window_damage(smoke->window, 0, 0, smoke->width, smoke->height);
cairo_surface_destroy(surface);
callback = wl_surface_frame(window_get_wl_surface(smoke->window));
wl_callback_add_listener(callback, &listener, smoke);
wl_surface_commit(window_get_wl_surface(smoke->window));
}
static void
text_model_enter(void *data,
struct text_model *text_model,
struct wl_surface *surface)
{
struct text_entry *entry = data;
if (surface != window_get_wl_surface(entry->window))
return;
entry->active = 1;
widget_schedule_redraw(entry->widget);
}
static struct ModeInfo *
create_wscreensaver_instance(struct wscreensaver *screensaver,
struct wl_output *output, int width, int height)
{
static int instance;
struct ModeInfo *mi;
struct rectangle drawarea;
mi = calloc(1, sizeof *mi);
if (!mi)
return NULL;
if (demo_mode)
mi->window = window_create(screensaver->display);
else
mi->window = window_create_custom(screensaver->display);
if (!mi->window) {
fprintf(stderr, "%s: creating a window failed.\n", progname);
free(mi);
return NULL;
}
window_set_title(mi->window, progname);
if (screensaver->interface && !demo_mode) {
mi->widget = window_add_widget(mi->window, mi);
screensaver_set_surface(screensaver->interface,
window_get_wl_surface(mi->window),
output);
} else {
mi->widget = frame_create(mi->window, mi);
}
widget_set_redraw_handler(mi->widget, redraw_handler);
mi->priv = screensaver;
mi->eglctx = EGL_NO_CONTEXT;
mi->instance_number = instance++; /* XXX */
widget_get_allocation(mi->widget, &drawarea);
mi->width = drawarea.width;
mi->height = drawarea.height;
screensaver->plugin->init(mi);
window_schedule_resize(mi->window, width, height);
return mi;
}
static void
text_input_enter(void *data,
struct wl_text_input *text_input,
struct wl_surface *surface)
{
struct text_entry *entry = data;
if (surface != window_get_wl_surface(entry->window))
return;
entry->active = 1;
text_entry_update(entry);
entry->reset_serial = entry->serial;
widget_schedule_redraw(entry->widget);
}
static void
button_handler(struct widget *widget,
struct input *input, uint32_t time,
uint32_t button, enum wl_pointer_button_state state, void *data)
{
struct resizor *resizor = data;
struct rectangle allocation;
struct wl_surface *surface;
struct wl_callback *callback;
if (button == BTN_RIGHT && state == WL_POINTER_BUTTON_STATE_PRESSED) {
show_menu(resizor, input, time);
} else if (button == BTN_LEFT &&
state == WL_POINTER_BUTTON_STATE_PRESSED) {
window_get_allocation(resizor->window, &allocation);
resizor->width.current = allocation.width;
resizor->width.previous = allocation.width;
resizor->width.target = allocation.width;
resizor->height.current = allocation.height;
resizor->height.previous = allocation.height;
resizor->height.target = allocation.height;
window_lock_pointer(resizor->window, input);
window_set_pointer_locked_handler(resizor->window,
handle_pointer_locked,
handle_pointer_unlocked);
resizor->locked_input = input;
if (resizor->locked_frame_callback_registered)
return;
surface = window_get_wl_surface(resizor->window);
callback = wl_surface_frame(surface);
wl_callback_add_listener(callback,
&locked_pointer_frame_listener,
resizor);
resizor->locked_frame_callback_registered = true;
} else if (button == BTN_LEFT &&
state == WL_POINTER_BUTTON_STATE_RELEASED) {
input_set_pointer_image(input, CURSOR_LEFT_PTR);
window_unlock_pointer(resizor->window);
}
}
static void
redraw_handler(struct widget *widget, void *data)
{
struct ModeInfo *mi = data;
struct wscreensaver *wscr = mi->priv;
struct rectangle drawarea;
struct rectangle winarea;
struct wl_callback *callback;
int bottom;
mi->swap_buffers = 0;
widget_get_allocation(mi->widget, &drawarea);
window_get_allocation(mi->window, &winarea);
if (display_acquire_window_surface(wscr->display,
mi->window,
mi->eglctx) < 0) {
fprintf(stderr, "%s: unable to acquire window surface",
progname);
return;
}
bottom = winarea.height - (drawarea.height + drawarea.y);
glViewport(drawarea.x, bottom, drawarea.width, drawarea.height);
glScissor(drawarea.x, bottom, drawarea.width, drawarea.height);
glEnable(GL_SCISSOR_TEST);
if (mi->width != drawarea.width || mi->height != drawarea.height) {
mi->width = drawarea.width;
mi->height = drawarea.height;
wscr->plugin->reshape(mi, mi->width, mi->height);
}
wscr->plugin->draw(mi);
if (mi->swap_buffers == 0)
fprintf(stderr, "%s: swapBuffers not called\n", progname);
display_release_window_surface(wscr->display, mi->window);
callback = wl_surface_frame(window_get_wl_surface(mi->window));
wl_callback_add_listener(callback, &listener, mi);
}
static void
text_entry_activate(struct text_entry *entry,
struct wl_seat *seat)
{
struct wl_surface *surface = window_get_wl_surface(entry->window);
if (entry->click_to_show && entry->active) {
wl_text_input_show_input_panel(entry->text_input);
return;
}
if (!entry->click_to_show)
wl_text_input_show_input_panel(entry->text_input);
wl_text_input_activate(entry->text_input,
seat,
surface);
}
static struct text_entry*
text_entry_create(struct editor *editor, const char *text)
{
struct text_entry *entry;
struct wl_surface *surface;
entry = malloc(sizeof *entry);
surface = window_get_wl_surface(editor->window);
entry->widget = editor->widget;
entry->window = editor->window;
entry->text = strdup(text);
entry->active = 0;
entry->model = text_model_factory_create_text_model(editor->text_model_factory, surface);
text_model_add_listener(entry->model, &text_model_listener, entry);
return entry;
}
static void
redraw_handler(struct widget *widget, void *data)
{
struct rectangle window_allocation;
struct rectangle allocation;
struct wl_callback *callback;
struct gears *gears = data;
widget_get_allocation(gears->widget, &allocation);
window_get_allocation(gears->window, &window_allocation);
if (display_acquire_window_surface(gears->d,
gears->window,
gears->context) < 0) {
die("Unable to acquire window surface, "
"compiled without cairo-egl?\n");
}
glViewport(allocation.x,
window_allocation.height - allocation.height - allocation.y,
allocation.width, allocation.height);
glScissor(allocation.x,
window_allocation.height - allocation.height - allocation.y,
allocation.width, allocation.height);
glEnable(GL_SCISSOR_TEST);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glTranslatef(0.0, 0.0, -50);
glRotatef(gears->view.rotx, 1.0, 0.0, 0.0);
glRotatef(gears->view.roty, 0.0, 1.0, 0.0);
glPushMatrix();
glTranslatef(-3.0, -2.0, 0.0);
glRotatef(gears->angle, 0.0, 0.0, 1.0);
glCallList(gears->gear_list[0]);
glPopMatrix();
glPushMatrix();
glTranslatef(3.1, -2.0, 0.0);
glRotatef(-2.0 * gears->angle - 9.0, 0.0, 0.0, 1.0);
glCallList(gears->gear_list[1]);
glPopMatrix();
glPushMatrix();
glTranslatef(-3.1, 4.2, 0.0);
glRotatef(-2.0 * gears->angle - 25.0, 0.0, 0.0, 1.0);
glCallList(gears->gear_list[2]);
glPopMatrix();
glPopMatrix();
glFlush();
display_release_window_surface(gears->d, gears->window);
callback = wl_surface_frame(window_get_wl_surface(gears->window));
wl_callback_add_listener(callback, &listener, gears);
}
static void
key_handler(struct window *window, struct input *input, uint32_t time,
uint32_t key, uint32_t sym, enum wl_keyboard_key_state state,
void *data)
{
struct fullscreen *fullscreen = data;
int transform, scale;
static int current_size = 0;
struct fs_output *fsout;
struct wl_output *wl_output;
int widths[] = { 640, 320, 800, 400 };
int heights[] = { 480, 240, 600, 300 };
if (state == WL_KEYBOARD_KEY_STATE_RELEASED)
return;
switch (sym) {
case XKB_KEY_t:
transform = window_get_buffer_transform (window);
transform = (transform + 1) % 8;
window_set_buffer_transform(window, transform);
window_schedule_redraw(window);
break;
case XKB_KEY_s:
scale = window_get_buffer_scale (window);
if (scale == 1)
scale = 2;
else
scale = 1;
window_set_buffer_scale(window, scale);
window_schedule_redraw(window);
break;
case XKB_KEY_z:
current_size = (current_size + 1) % 4;
fullscreen->width = widths[current_size];
fullscreen->height = heights[current_size];
window_schedule_resize(fullscreen->window,
fullscreen->width, fullscreen->height);
break;
case XKB_KEY_m:
if (!fullscreen->fshell)
break;
wl_output = NULL;
if (fullscreen->current_output)
wl_output = output_get_wl_output(fullscreen->current_output->output);
fullscreen->present_method = (fullscreen->present_method + 1) % 5;
_wl_fullscreen_shell_present_surface(fullscreen->fshell,
window_get_wl_surface(fullscreen->window),
fullscreen->present_method,
wl_output);
window_schedule_redraw(window);
break;
case XKB_KEY_o:
if (!fullscreen->fshell)
break;
fsout = fullscreen->current_output;
wl_output = fsout ? output_get_wl_output(fsout->output) : NULL;
/* Clear the current presentation */
_wl_fullscreen_shell_present_surface(fullscreen->fshell, NULL,
0, wl_output);
if (fullscreen->current_output) {
if (fullscreen->current_output->link.next == &fullscreen->output_list)
fsout = NULL;
else
fsout = wl_container_of(fullscreen->current_output->link.next,
fsout, link);
} else {
fsout = wl_container_of(fullscreen->output_list.next,
fsout, link);
}
fullscreen->current_output = fsout;
wl_output = fsout ? output_get_wl_output(fsout->output) : NULL;
_wl_fullscreen_shell_present_surface(fullscreen->fshell,
window_get_wl_surface(fullscreen->window),
fullscreen->present_method,
wl_output);
window_schedule_redraw(window);
break;
case XKB_KEY_w:
if (!fullscreen->fshell || !fullscreen->current_output)
break;
wl_output = NULL;
if (fullscreen->current_output)
wl_output = output_get_wl_output(fullscreen->current_output->output);
_wl_fullscreen_shell_mode_feedback_destroy(
_wl_fullscreen_shell_present_surface_for_mode(fullscreen->fshell,
window_get_wl_surface(fullscreen->window),
wl_output, 0));
window_schedule_redraw(window);
break;
case XKB_KEY_f:
if (fullscreen->fshell)
break;
fullscreen->fullscreen ^= 1;
window_set_fullscreen(window, fullscreen->fullscreen);
break;
case XKB_KEY_q:
exit (0);
break;
}
}
static struct gears *
gears_create(struct display *display)
{
const int width = 450, height = 500;
struct gears *gears;
int i;
gears = malloc(sizeof *gears);
memset(gears, 0, sizeof *gears);
gears->d = display;
gears->window = window_create(display, width, height);
window_set_title(gears->window, "Wayland Gears");
gears->display = display_get_egl_display(gears->d);
if (gears->display == NULL)
die("failed to create egl display\n");
eglBindAPI(EGL_OPENGL_API);
gears->config = display_get_egl_config(gears->d);
gears->context = eglCreateContext(gears->display, gears->config,
EGL_NO_CONTEXT, NULL);
if (gears->context == NULL)
die("failed to create context\n");
if (!eglMakeCurrent(gears->display, NULL, NULL, gears->context))
die("faile to make context current\n");
for (i = 0; i < 3; i++) {
gears->gear_list[i] = glGenLists(1);
glNewList(gears->gear_list[i], GL_COMPILE);
make_gear(&gear_templates[i]);
glEndList();
}
glEnable(GL_NORMALIZE);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glFrustum(-1.0, 1.0, -1.0, 1.0, 5.0, 200.0);
glMatrixMode(GL_MODELVIEW);
glLightfv(GL_LIGHT0, GL_POSITION, light_pos);
glEnable(GL_CULL_FACE);
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
glEnable(GL_DEPTH_TEST);
glClearColor(0, 0, 0, 0.92);
window_set_user_data(gears->window, gears);
window_set_resize_handler(gears->window, resize_handler);
window_set_keyboard_focus_handler(gears->window, keyboard_focus_handler);
window_set_redraw_handler(gears->window, redraw_handler);
draw_gears(gears);
wl_display_frame_callback(display_get_display(gears->d),
window_get_wl_surface(gears->window),
frame_callback, gears);
return gears;
}
int main(int argc, char *argv[])
{
struct fullscreen fullscreen;
struct display *d;
int i;
fullscreen.width = 640;
fullscreen.height = 480;
fullscreen.fullscreen = 0;
fullscreen.present_method = _WL_FULLSCREEN_SHELL_PRESENT_METHOD_DEFAULT;
wl_list_init(&fullscreen.output_list);
fullscreen.current_output = NULL;
for (i = 1; i < argc; i++) {
if (strcmp(argv[i], "-w") == 0) {
if (++i >= argc)
usage(EXIT_FAILURE);
fullscreen.width = atol(argv[i]);
} else if (strcmp(argv[i], "-h") == 0) {
if (++i >= argc)
usage(EXIT_FAILURE);
fullscreen.height = atol(argv[i]);
} else if (strcmp(argv[i], "--help") == 0)
usage(EXIT_SUCCESS);
else
usage(EXIT_FAILURE);
}
d = display_create(&argc, argv);
if (d == NULL) {
fprintf(stderr, "failed to create display: %m\n");
return -1;
}
fullscreen.display = d;
fullscreen.fshell = NULL;
display_set_user_data(fullscreen.display, &fullscreen);
display_set_global_handler(fullscreen.display, global_handler);
display_set_output_configure_handler(fullscreen.display, output_handler);
if (fullscreen.fshell) {
fullscreen.window = window_create_custom(d);
_wl_fullscreen_shell_present_surface(fullscreen.fshell,
window_get_wl_surface(fullscreen.window),
fullscreen.present_method,
NULL);
/* If we get the CURSOR_PLANE capability, we'll change this */
fullscreen.draw_cursor = 1;
} else {
fullscreen.window = window_create(d);
fullscreen.draw_cursor = 0;
}
fullscreen.widget =
window_add_widget(fullscreen.window, &fullscreen);
window_set_title(fullscreen.window, "Fullscreen");
widget_set_transparent(fullscreen.widget, 0);
widget_set_default_cursor(fullscreen.widget, CURSOR_LEFT_PTR);
widget_set_redraw_handler(fullscreen.widget, redraw_handler);
widget_set_button_handler(fullscreen.widget, button_handler);
widget_set_motion_handler(fullscreen.widget, motion_handler);
widget_set_enter_handler(fullscreen.widget, enter_handler);
widget_set_touch_down_handler(fullscreen.widget, touch_handler);
window_set_key_handler(fullscreen.window, key_handler);
window_set_fullscreen_handler(fullscreen.window, fullscreen_handler);
window_set_user_data(fullscreen.window, &fullscreen);
/* Hack to set minimum allocation so we can shrink later */
window_schedule_resize(fullscreen.window,
1, 1);
window_schedule_resize(fullscreen.window,
fullscreen.width, fullscreen.height);
display_run(d);
return 0;
}