Merge pull request #786 from emersion/x11-backend-multiple-outputs
backend/x11: add support for multiple outputsmaster
Drew DeVault
8 years ago
committed by
GitHub
commit
96c6091f80
@ -0,0 +1,136 @@
|
||||
#include <wlr/interfaces/wlr_input_device.h>
|
||||
#include <wlr/interfaces/wlr_keyboard.h>
|
||||
#include <wlr/interfaces/wlr_pointer.h>
|
||||
#include <wlr/util/log.h>
|
||||
#include <xcb/xcb.h>
|
||||
#ifdef __linux__
|
||||
#include <linux/input-event-codes.h>
|
||||
#elif __FreeBSD__
|
||||
#include <dev/evdev/input-event-codes.h>
|
||||
#endif
|
||||
#include "backend/x11.h"
|
||||
#include "util/signal.h"
|
||||
|
||||
static uint32_t xcb_button_to_wl(uint32_t button) {
|
||||
switch (button) {
|
||||
case XCB_BUTTON_INDEX_1: return BTN_LEFT;
|
||||
case XCB_BUTTON_INDEX_2: return BTN_MIDDLE;
|
||||
case XCB_BUTTON_INDEX_3: return BTN_RIGHT;
|
||||
// XXX: I'm not sure the scroll-wheel direction is right
|
||||
case XCB_BUTTON_INDEX_4: return BTN_GEAR_UP;
|
||||
case XCB_BUTTON_INDEX_5: return BTN_GEAR_DOWN;
|
||||
default: return 0;
|
||||
}
|
||||
}
|
||||
|
||||
bool x11_handle_input_event(struct wlr_x11_backend *x11,
|
||||
xcb_generic_event_t *event) {
|
||||
switch (event->response_type & XCB_EVENT_RESPONSE_TYPE_MASK) {
|
||||
case XCB_KEY_PRESS:
|
||||
case XCB_KEY_RELEASE: {
|
||||
xcb_key_press_event_t *ev = (xcb_key_press_event_t *)event;
|
||||
struct wlr_event_keyboard_key key = {
|
||||
.time_msec = ev->time,
|
||||
.keycode = ev->detail - 8,
|
||||
.state = event->response_type == XCB_KEY_PRESS ?
|
||||
WLR_KEY_PRESSED : WLR_KEY_RELEASED,
|
||||
.update_state = true,
|
||||
};
|
||||
|
||||
// TODO use xcb-xkb for more precise modifiers state?
|
||||
wlr_keyboard_notify_key(&x11->keyboard, &key);
|
||||
x11->time = ev->time;
|
||||
return true;
|
||||
}
|
||||
case XCB_BUTTON_PRESS: {
|
||||
xcb_button_press_event_t *ev = (xcb_button_press_event_t *)event;
|
||||
|
||||
if (ev->detail == XCB_BUTTON_INDEX_4 ||
|
||||
ev->detail == XCB_BUTTON_INDEX_5) {
|
||||
double delta = (ev->detail == XCB_BUTTON_INDEX_4 ? -15 : 15);
|
||||
struct wlr_event_pointer_axis axis = {
|
||||
.device = &x11->pointer_dev,
|
||||
.time_msec = ev->time,
|
||||
.source = WLR_AXIS_SOURCE_WHEEL,
|
||||
.orientation = WLR_AXIS_ORIENTATION_VERTICAL,
|
||||
.delta = delta,
|
||||
};
|
||||
wlr_signal_emit_safe(&x11->pointer.events.axis, &axis);
|
||||
x11->time = ev->time;
|
||||
break;
|
||||
}
|
||||
}
|
||||
/* fallthrough */
|
||||
case XCB_BUTTON_RELEASE: {
|
||||
xcb_button_press_event_t *ev = (xcb_button_press_event_t *)event;
|
||||
|
||||
if (ev->detail != XCB_BUTTON_INDEX_4 &&
|
||||
ev->detail != XCB_BUTTON_INDEX_5) {
|
||||
struct wlr_event_pointer_button button = {
|
||||
.device = &x11->pointer_dev,
|
||||
.time_msec = ev->time,
|
||||
.button = xcb_button_to_wl(ev->detail),
|
||||
.state = event->response_type == XCB_BUTTON_PRESS ?
|
||||
WLR_BUTTON_PRESSED : WLR_BUTTON_RELEASED,
|
||||
};
|
||||
|
||||
wlr_signal_emit_safe(&x11->pointer.events.button, &button);
|
||||
}
|
||||
x11->time = ev->time;
|
||||
return true;
|
||||
}
|
||||
case XCB_MOTION_NOTIFY: {
|
||||
xcb_motion_notify_event_t *ev = (xcb_motion_notify_event_t *)event;
|
||||
|
||||
struct wlr_x11_output *output =
|
||||
x11_output_from_window_id(x11, ev->event);
|
||||
if (output == NULL) {
|
||||
return false;
|
||||
}
|
||||
struct wlr_output *wlr_output = &output->wlr_output;
|
||||
|
||||
struct wlr_box box = { .x = ev->event_x, .y = ev->event_y };
|
||||
wlr_box_transform(&box, wlr_output->transform, wlr_output->width,
|
||||
wlr_output->height, &box);
|
||||
box.x /= wlr_output->scale;
|
||||
box.y /= wlr_output->scale;
|
||||
|
||||
struct wlr_box layout_box;
|
||||
x11_output_layout_get_box(x11, &layout_box);
|
||||
|
||||
double ox = wlr_output->lx / (double)layout_box.width;
|
||||
double oy = wlr_output->ly / (double)layout_box.height;
|
||||
|
||||
struct wlr_event_pointer_motion_absolute wlr_event = {
|
||||
.device = &x11->pointer_dev,
|
||||
.time_msec = ev->time,
|
||||
.x = box.x / (double)layout_box.width + ox,
|
||||
.y = box.y / (double)layout_box.height + oy,
|
||||
};
|
||||
|
||||
wlr_signal_emit_safe(&x11->pointer.events.motion_absolute, &wlr_event);
|
||||
|
||||
x11->time = ev->time;
|
||||
return true;
|
||||
}
|
||||
default:
|
||||
#ifdef WLR_HAS_XCB_XKB
|
||||
if (x11->xkb_supported && event->response_type == x11->xkb_base_event) {
|
||||
xcb_xkb_state_notify_event_t *ev =
|
||||
(xcb_xkb_state_notify_event_t *)event;
|
||||
wlr_keyboard_notify_modifiers(&x11->keyboard, ev->baseMods,
|
||||
ev->latchedMods, ev->lockedMods, ev->lockedGroup);
|
||||
return true;
|
||||
}
|
||||
#endif
|
||||
break;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
const struct wlr_input_device_impl input_device_impl = { 0 };
|
||||
|
||||
bool wlr_input_device_is_x11(struct wlr_input_device *wlr_dev) {
|
||||
return wlr_dev->impl == &input_device_impl;
|
||||
}
|
||||
@ -0,0 +1,182 @@
|
||||
#include <assert.h>
|
||||
#include <stdlib.h>
|
||||
#include <wlr/interfaces/wlr_output.h>
|
||||
#include <wlr/util/log.h>
|
||||
#include "backend/x11.h"
|
||||
#include "util/signal.h"
|
||||
|
||||
static int signal_frame(void *data) {
|
||||
struct wlr_x11_output *output = data;
|
||||
wlr_output_send_frame(&output->wlr_output);
|
||||
wl_event_source_timer_update(output->frame_timer, output->frame_delay);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void parse_xcb_setup(struct wlr_output *output, xcb_connection_t *xcb_conn) {
|
||||
const xcb_setup_t *xcb_setup = xcb_get_setup(xcb_conn);
|
||||
|
||||
snprintf(output->make, sizeof(output->make), "%.*s",
|
||||
xcb_setup_vendor_length(xcb_setup),
|
||||
xcb_setup_vendor(xcb_setup));
|
||||
snprintf(output->model, sizeof(output->model), "%"PRIu16".%"PRIu16,
|
||||
xcb_setup->protocol_major_version,
|
||||
xcb_setup->protocol_minor_version);
|
||||
}
|
||||
|
||||
static bool output_set_custom_mode(struct wlr_output *wlr_output, int32_t width,
|
||||
int32_t height, int32_t refresh) {
|
||||
struct wlr_x11_output *output = (struct wlr_x11_output *)wlr_output;
|
||||
struct wlr_x11_backend *x11 = output->x11;
|
||||
|
||||
wlr_output_update_custom_mode(&output->wlr_output, wlr_output->width,
|
||||
wlr_output->height, refresh);
|
||||
output->frame_delay = 1000000 / refresh;
|
||||
|
||||
const uint32_t values[] = { width, height };
|
||||
xcb_configure_window(x11->xcb_conn, output->win,
|
||||
XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT, values);
|
||||
return true;
|
||||
}
|
||||
|
||||
static void output_transform(struct wlr_output *wlr_output,
|
||||
enum wl_output_transform transform) {
|
||||
struct wlr_x11_output *output = (struct wlr_x11_output *)wlr_output;
|
||||
output->wlr_output.transform = transform;
|
||||
}
|
||||
|
||||
static void output_destroy(struct wlr_output *wlr_output) {
|
||||
struct wlr_x11_output *output = (struct wlr_x11_output *)wlr_output;
|
||||
struct wlr_x11_backend *x11 = output->x11;
|
||||
|
||||
wl_list_remove(&output->link);
|
||||
wl_event_source_remove(output->frame_timer);
|
||||
eglDestroySurface(x11->egl.display, output->surf);
|
||||
xcb_destroy_window(x11->xcb_conn, output->win);
|
||||
free(output);
|
||||
}
|
||||
|
||||
static bool output_make_current(struct wlr_output *wlr_output, int *buffer_age) {
|
||||
struct wlr_x11_output *output = (struct wlr_x11_output *)wlr_output;
|
||||
struct wlr_x11_backend *x11 = output->x11;
|
||||
|
||||
return wlr_egl_make_current(&x11->egl, output->surf, buffer_age);
|
||||
}
|
||||
|
||||
static bool output_swap_buffers(struct wlr_output *wlr_output,
|
||||
pixman_region32_t *damage) {
|
||||
struct wlr_x11_output *output = (struct wlr_x11_output *)wlr_output;
|
||||
struct wlr_x11_backend *x11 = output->x11;
|
||||
|
||||
return wlr_egl_swap_buffers(&x11->egl, output->surf, damage);
|
||||
}
|
||||
|
||||
static const struct wlr_output_impl output_impl = {
|
||||
.set_custom_mode = output_set_custom_mode,
|
||||
.transform = output_transform,
|
||||
.destroy = output_destroy,
|
||||
.make_current = output_make_current,
|
||||
.swap_buffers = output_swap_buffers,
|
||||
};
|
||||
|
||||
struct wlr_output *wlr_x11_output_create(struct wlr_backend *backend) {
|
||||
assert(wlr_backend_is_x11(backend));
|
||||
struct wlr_x11_backend *x11 = (struct wlr_x11_backend *)backend;
|
||||
|
||||
if (!x11->started) {
|
||||
++x11->requested_outputs;
|
||||
return NULL;
|
||||
}
|
||||
|
||||
struct wlr_x11_output *output = calloc(1, sizeof(struct wlr_x11_output));
|
||||
if (output == NULL) {
|
||||
return NULL;
|
||||
}
|
||||
output->x11 = x11;
|
||||
|
||||
struct wlr_output *wlr_output = &output->wlr_output;
|
||||
wlr_output_init(wlr_output, &x11->backend, &output_impl, x11->wl_display);
|
||||
|
||||
wlr_output->refresh = 60 * 1000000;
|
||||
output->frame_delay = 16; // 60 Hz
|
||||
|
||||
snprintf(wlr_output->name, sizeof(wlr_output->name), "X11-%d",
|
||||
wl_list_length(&x11->outputs) + 1);
|
||||
parse_xcb_setup(wlr_output, x11->xcb_conn);
|
||||
|
||||
uint32_t mask = XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK;
|
||||
uint32_t values[2] = {
|
||||
x11->screen->white_pixel,
|
||||
XCB_EVENT_MASK_EXPOSURE |
|
||||
XCB_EVENT_MASK_KEY_PRESS | XCB_EVENT_MASK_KEY_RELEASE |
|
||||
XCB_EVENT_MASK_BUTTON_PRESS | XCB_EVENT_MASK_BUTTON_RELEASE |
|
||||
XCB_EVENT_MASK_POINTER_MOTION |
|
||||
XCB_EVENT_MASK_STRUCTURE_NOTIFY
|
||||
};
|
||||
output->win = xcb_generate_id(x11->xcb_conn);
|
||||
xcb_create_window(x11->xcb_conn, XCB_COPY_FROM_PARENT, output->win,
|
||||
x11->screen->root, 0, 0, 1024, 768, 1, XCB_WINDOW_CLASS_INPUT_OUTPUT,
|
||||
x11->screen->root_visual, mask, values);
|
||||
|
||||
output->surf = wlr_egl_create_surface(&x11->egl, &output->win);
|
||||
if (!output->surf) {
|
||||
wlr_log(L_ERROR, "Failed to create EGL surface");
|
||||
free(output);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
xcb_change_property(x11->xcb_conn, XCB_PROP_MODE_REPLACE, output->win,
|
||||
x11->atoms.wm_protocols, XCB_ATOM_ATOM, 32, 1,
|
||||
&x11->atoms.wm_delete_window);
|
||||
|
||||
char title[32];
|
||||
if (snprintf(title, sizeof(title), "wlroots - %s", wlr_output->name)) {
|
||||
xcb_change_property(x11->xcb_conn, XCB_PROP_MODE_REPLACE, output->win,
|
||||
x11->atoms.net_wm_name, x11->atoms.utf8_string, 8,
|
||||
strlen(title), title);
|
||||
}
|
||||
|
||||
xcb_map_window(x11->xcb_conn, output->win);
|
||||
xcb_flush(x11->xcb_conn);
|
||||
|
||||
struct wl_event_loop *ev = wl_display_get_event_loop(x11->wl_display);
|
||||
output->frame_timer = wl_event_loop_add_timer(ev, signal_frame, output);
|
||||
|
||||
wl_event_source_timer_update(output->frame_timer, output->frame_delay);
|
||||
wlr_output_update_enabled(wlr_output, true);
|
||||
|
||||
wl_list_insert(&x11->outputs, &output->link);
|
||||
wlr_signal_emit_safe(&x11->backend.events.new_output, wlr_output);
|
||||
|
||||
return wlr_output;
|
||||
}
|
||||
|
||||
void x11_output_handle_configure_notify(struct wlr_x11_output *output,
|
||||
xcb_configure_notify_event_t *ev) {
|
||||
struct wlr_x11_backend *x11 = output->x11;
|
||||
|
||||
wlr_output_update_custom_mode(&output->wlr_output, ev->width,
|
||||
ev->height, output->wlr_output.refresh);
|
||||
|
||||
// Move the pointer to its new location
|
||||
xcb_query_pointer_cookie_t cookie =
|
||||
xcb_query_pointer(x11->xcb_conn, output->win);
|
||||
xcb_query_pointer_reply_t *pointer =
|
||||
xcb_query_pointer_reply(x11->xcb_conn, cookie, NULL);
|
||||
if (!pointer) {
|
||||
return;
|
||||
}
|
||||
|
||||
struct wlr_event_pointer_motion_absolute abs = {
|
||||
.device = &x11->pointer_dev,
|
||||
.time_msec = x11->time,
|
||||
.x = (double)pointer->root_x / output->wlr_output.width,
|
||||
.y = (double)pointer->root_y / output->wlr_output.height,
|
||||
};
|
||||
|
||||
wlr_signal_emit_safe(&x11->pointer.events.motion_absolute, &abs);
|
||||
free(pointer);
|
||||
}
|
||||
|
||||
bool wlr_output_is_x11(struct wlr_output *wlr_output) {
|
||||
return wlr_output->impl == &output_impl;
|
||||
}
|
||||
Loading…
Reference in new issue