--- /dev/null
+/*
+ * Copyright © 2011 Intel Corporation
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of the copyright holders not be used in
+ * advertising or publicity pertaining to distribution of the software
+ * without specific, written prior permission. The copyright holders make
+ * no representations about the suitability of this software for any
+ * purpose. It is provided "as is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
+ * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
+ * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#define _GNU_SOURCE
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <unistd.h>
+#include <signal.h>
+
+#include "xwayland.h"
+
+#include "../../shared/cairo-util.h"
+#include "../compositor.h"
+#include "xserver-server-protocol.h"
+#include "hash.h"
+
+struct motif_wm_hints {
+ uint32_t flags;
+ uint32_t functions;
+ uint32_t decorations;
+ int32_t input_mode;
+ uint32_t status;
+};
+
+#define MWM_HINTS_FUNCTIONS (1L << 0)
+#define MWM_HINTS_DECORATIONS (1L << 1)
+#define MWM_HINTS_INPUT_MODE (1L << 2)
+#define MWM_HINTS_STATUS (1L << 3)
+
+#define MWM_FUNC_ALL (1L << 0)
+#define MWM_FUNC_RESIZE (1L << 1)
+#define MWM_FUNC_MOVE (1L << 2)
+#define MWM_FUNC_MINIMIZE (1L << 3)
+#define MWM_FUNC_MAXIMIZE (1L << 4)
+#define MWM_FUNC_CLOSE (1L << 5)
+
+#define MWM_DECOR_ALL (1L << 0)
+#define MWM_DECOR_BORDER (1L << 1)
+#define MWM_DECOR_RESIZEH (1L << 2)
+#define MWM_DECOR_TITLE (1L << 3)
+#define MWM_DECOR_MENU (1L << 4)
+#define MWM_DECOR_MINIMIZE (1L << 5)
+#define MWM_DECOR_MAXIMIZE (1L << 6)
+
+#define MWM_INPUT_MODELESS 0
+#define MWM_INPUT_PRIMARY_APPLICATION_MODAL 1
+#define MWM_INPUT_SYSTEM_MODAL 2
+#define MWM_INPUT_FULL_APPLICATION_MODAL 3
+#define MWM_INPUT_APPLICATION_MODAL MWM_INPUT_PRIMARY_APPLICATION_MODAL
+
+#define MWM_TEAROFF_WINDOW (1L<<0)
+
+#define _NET_WM_MOVERESIZE_SIZE_TOPLEFT 0
+#define _NET_WM_MOVERESIZE_SIZE_TOP 1
+#define _NET_WM_MOVERESIZE_SIZE_TOPRIGHT 2
+#define _NET_WM_MOVERESIZE_SIZE_RIGHT 3
+#define _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT 4
+#define _NET_WM_MOVERESIZE_SIZE_BOTTOM 5
+#define _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT 6
+#define _NET_WM_MOVERESIZE_SIZE_LEFT 7
+#define _NET_WM_MOVERESIZE_MOVE 8 /* movement only */
+#define _NET_WM_MOVERESIZE_SIZE_KEYBOARD 9 /* size via keyboard */
+#define _NET_WM_MOVERESIZE_MOVE_KEYBOARD 10 /* move via keyboard */
+#define _NET_WM_MOVERESIZE_CANCEL 11 /* cancel operation */
+
+
+
+struct weston_wm_window {
+ struct weston_wm *wm;
+ xcb_window_t id;
+ xcb_window_t frame_id;
+ cairo_surface_t *cairo_surface;
+ struct weston_surface *surface;
+ struct shell_surface *shsurf;
+ struct wl_listener surface_destroy_listener;
+ struct wl_event_source *repaint_source;
+ int properties_dirty;
+ char *class;
+ char *name;
+ struct weston_wm_window *transient_for;
+ uint32_t protocols;
+ xcb_atom_t type;
+ int width, height;
+ int x, y;
+ int decorate;
+};
+
+static struct weston_wm_window *
+get_wm_window(struct weston_surface *surface);
+
+const char *
+get_atom_name(xcb_connection_t *c, xcb_atom_t atom)
+{
+ xcb_get_atom_name_cookie_t cookie;
+ xcb_get_atom_name_reply_t *reply;
+ xcb_generic_error_t *e;
+ static char buffer[64];
+
+ if (atom == XCB_ATOM_NONE)
+ return "None";
+
+ cookie = xcb_get_atom_name (c, atom);
+ reply = xcb_get_atom_name_reply (c, cookie, &e);
+ snprintf(buffer, sizeof buffer, "%.*s",
+ xcb_get_atom_name_name_length (reply),
+ xcb_get_atom_name_name (reply));
+ free(reply);
+
+ return buffer;
+}
+
+void
+dump_property(struct weston_wm *wm, xcb_atom_t property,
+ xcb_get_property_reply_t *reply)
+{
+ int32_t *incr_value;
+ const char *text_value, *name;
+ xcb_atom_t *atom_value;
+ int width, len;
+ uint32_t i;
+
+ width = fprintf(stderr, " %s: ", get_atom_name(wm->conn, property));
+ if (reply == NULL) {
+ fprintf(stderr, "(no reply)\n");
+ return;
+ }
+
+ width += fprintf(stderr,
+ "type %s, format %d, length %d (value_len %d): ",
+ get_atom_name(wm->conn, reply->type),
+ reply->format,
+ xcb_get_property_value_length(reply),
+ reply->value_len);
+
+ if (reply->type == wm->atom.incr) {
+ incr_value = xcb_get_property_value(reply);
+ fprintf(stderr, "%d\n", *incr_value);
+ } else if (reply->type == wm->atom.utf8_string ||
+ reply->type == wm->atom.string) {
+ text_value = xcb_get_property_value(reply);
+ if (reply->value_len > 40)
+ len = 40;
+ else
+ len = reply->value_len;
+ fprintf(stderr, "\"%.*s\"\n", len, text_value);
+ } else if (reply->type == XCB_ATOM_ATOM) {
+ atom_value = xcb_get_property_value(reply);
+ for (i = 0; i < reply->value_len; i++) {
+ name = get_atom_name(wm->conn, atom_value[i]);
+ if (width + strlen(name) + 2 > 78) {
+ fprintf(stderr, "\n ");
+ width = 4;
+ } else if (i > 0) {
+ width += fprintf(stderr, ", ");
+ }
+
+ width += fprintf(stderr, "%s", name);
+ }
+ fprintf(stderr, "\n");
+ } else {
+ fprintf(stderr, "huh?\n");
+ }
+}
+
+static void
+dump_window_properties(struct weston_wm *wm, xcb_window_t window)
+{
+ xcb_list_properties_cookie_t list_cookie;
+ xcb_list_properties_reply_t *list_reply;
+ xcb_get_property_cookie_t property_cookie;
+ xcb_get_property_reply_t *property_reply;
+ xcb_atom_t *atoms;
+ int i, length;
+
+ list_cookie = xcb_list_properties(wm->conn, window);
+ list_reply = xcb_list_properties_reply(wm->conn, list_cookie, NULL);
+ if (!list_reply)
+ /* Bad window, typically */
+ return;
+
+ length = xcb_list_properties_atoms_length(list_reply);
+ atoms = xcb_list_properties_atoms(list_reply);
+
+ for (i = 0; i < length; i++) {
+ property_cookie =
+ xcb_get_property(wm->conn,
+ 0, /* delete */
+ window,
+ atoms[i],
+ XCB_ATOM_ANY,
+ 0, 2048);
+
+ property_reply = xcb_get_property_reply(wm->conn,
+ property_cookie, NULL);
+ dump_property(wm, atoms[i], property_reply);
+
+ free(property_reply);
+ }
+
+ free(list_reply);
+}
+
+/* We reuse some predefined, but otherwise useles atoms */
+#define TYPE_WM_PROTOCOLS XCB_ATOM_CUT_BUFFER0
+#define TYPE_MOTIF_WM_HINTS XCB_ATOM_CUT_BUFFER1
+
+static void
+weston_wm_window_read_properties(struct weston_wm_window *window)
+{
+ struct weston_wm *wm = window->wm;
+
+#define F(field) offsetof(struct weston_wm_window, field)
+ const struct {
+ xcb_atom_t atom;
+ xcb_atom_t type;
+ int offset;
+ } props[] = {
+ { XCB_ATOM_WM_CLASS, XCB_ATOM_STRING, F(class) },
+ { XCB_ATOM_WM_NAME, XCB_ATOM_STRING, F(name) },
+ { XCB_ATOM_WM_TRANSIENT_FOR, XCB_ATOM_WINDOW, F(transient_for) },
+ { wm->atom.wm_protocols, TYPE_WM_PROTOCOLS, F(protocols) },
+ { wm->atom.net_wm_window_type, XCB_ATOM_ATOM, F(type) },
+ { wm->atom.net_wm_name, XCB_ATOM_STRING, F(name) },
+ { wm->atom.motif_wm_hints, TYPE_MOTIF_WM_HINTS, 0 },
+ };
+#undef F
+
+ xcb_get_property_cookie_t cookie[ARRAY_LENGTH(props)];
+ xcb_get_property_reply_t *reply;
+ void *p;
+ uint32_t *xid;
+ xcb_atom_t *atom;
+ uint32_t i;
+ struct motif_wm_hints *hints;
+
+ if (!window->properties_dirty)
+ return;
+ window->properties_dirty = 0;
+
+ dump_window_properties(wm, window->id);
+
+ for (i = 0; i < ARRAY_LENGTH(props); i++)
+ cookie[i] = xcb_get_property(wm->conn,
+ 0, /* delete */
+ window->id,
+ props[i].atom,
+ XCB_ATOM_ANY, 0, 2048);
+
+ window->decorate = 1;
+ for (i = 0; i < ARRAY_LENGTH(props); i++) {
+ reply = xcb_get_property_reply(wm->conn, cookie[i], NULL);
+ if (!reply)
+ /* Bad window, typically */
+ continue;
+ if (reply->type == XCB_ATOM_NONE) {
+ /* No such property */
+ free(reply);
+ continue;
+ }
+
+ p = ((char *) window + props[i].offset);
+
+ switch (props[i].type) {
+ case XCB_ATOM_STRING:
+ /* FIXME: We're using this for both string and
+ utf8_string */
+ if (*(char **) p)
+ free(*(char **) p);
+
+ *(char **) p =
+ strndup(xcb_get_property_value(reply),
+ xcb_get_property_value_length(reply));
+ break;
+ case XCB_ATOM_WINDOW:
+ xid = xcb_get_property_value(reply);
+ *(struct weston_wm_window **) p =
+ hash_table_lookup(wm->window_hash, *xid);
+ break;
+ case XCB_ATOM_ATOM:
+ atom = xcb_get_property_value(reply);
+ *(xcb_atom_t *) p = *atom;
+ break;
+ case TYPE_WM_PROTOCOLS:
+ break;
+ case TYPE_MOTIF_WM_HINTS:
+ hints = xcb_get_property_value(reply);
+ if (hints->flags & MWM_HINTS_DECORATIONS)
+ window->decorate = hints->decorations > 0;
+ break;
+ default:
+ break;
+ }
+ free(reply);
+ }
+}
+
+static void
+weston_wm_handle_configure_request(struct weston_wm *wm, xcb_generic_event_t *event)
+{
+ xcb_configure_request_event_t *configure_request =
+ (xcb_configure_request_event_t *) event;
+ struct weston_wm_window *window;
+ uint32_t values[16];
+ int i = 0;
+
+ fprintf(stderr, "XCB_CONFIGURE_REQUEST (window %d) %d,%d @ %dx%d\n",
+ configure_request->window,
+ configure_request->x, configure_request->y,
+ configure_request->width, configure_request->height);
+
+ window = hash_table_lookup(wm->window_hash, configure_request->window);
+
+ if (configure_request->value_mask & XCB_CONFIG_WINDOW_X)
+ values[i++] = configure_request->x;
+ if (configure_request->value_mask & XCB_CONFIG_WINDOW_Y)
+ values[i++] = configure_request->y;
+ if (configure_request->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
+ values[i++] = configure_request->width;
+ window->width = configure_request->width;
+ }
+ if (configure_request->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
+ values[i++] = configure_request->height;
+ window->height = configure_request->height;
+ }
+
+ values[i++] = 0; /* XCB_CONFIG_WINDOW_BORDER_WIDTH */
+
+ if (configure_request->value_mask & XCB_CONFIG_WINDOW_SIBLING)
+ values[i++] = configure_request->sibling;
+ if (configure_request->value_mask & XCB_CONFIG_WINDOW_STACK_MODE)
+ values[i++] = configure_request->stack_mode;
+
+ xcb_configure_window(wm->conn,
+ configure_request->window,
+ configure_request->value_mask |
+ XCB_CONFIG_WINDOW_BORDER_WIDTH, values);
+}
+
+static void
+weston_wm_window_get_frame_size(struct weston_wm_window *window,
+ int *width, int *height)
+{
+ struct theme *t = window->wm->theme;
+
+ if (window->decorate) {
+ *width = window->width + (t->margin + t->width) * 2;
+ *height = window->height +
+ t->margin * 2 + t->width + t->titlebar_height;
+ } else {
+ *width = window->width + t->margin * 2;
+ *height = window->height + t->margin * 2;
+ }
+}
+
+static void
+weston_wm_window_get_child_position(struct weston_wm_window *window,
+ int *x, int *y)
+{
+ struct theme *t = window->wm->theme;
+
+ if (window->decorate) {
+ *x = t->margin + t->width;
+ *y = t->margin + t->titlebar_height;
+ } else {
+ *x = t->margin;
+ *y = t->margin;
+ }
+}
+static void
+weston_wm_handle_configure_notify(struct weston_wm *wm, xcb_generic_event_t *event)
+{
+ xcb_configure_notify_event_t *configure_notify =
+ (xcb_configure_notify_event_t *) event;
+ struct weston_wm_window *window;
+ uint32_t values[2];
+ int width, height;
+
+ window = hash_table_lookup(wm->window_hash, configure_notify->window);
+
+ fprintf(stderr, "XCB_CONFIGURE_NOTIFY (%s window %d) %d,%d @ %dx%d\n",
+ configure_notify->window == window->id ? "client" : "frame",
+ configure_notify->window,
+ configure_notify->x, configure_notify->y,
+ configure_notify->width, configure_notify->height);
+
+ if (configure_notify->window != window->id)
+ return;
+
+ window->x = configure_notify->x;
+ window->y = configure_notify->y;
+ window->width = configure_notify->width;
+ window->height = configure_notify->height;
+
+ weston_wm_window_get_frame_size(window, &width, &height);
+ values[0] = width;
+ values[1] = height;
+
+ xcb_configure_window(wm->conn,
+ window->frame_id,
+ XCB_CONFIG_WINDOW_WIDTH |
+ XCB_CONFIG_WINDOW_HEIGHT,
+ values);
+}
+
+static void
+weston_wm_activate(struct weston_wm *wm,
+ struct weston_wm_window *window, xcb_timestamp_t time)
+{
+ xcb_client_message_event_t client_message;
+
+ client_message.response_type = XCB_CLIENT_MESSAGE;
+ client_message.format = 32;
+ client_message.window = window->id;
+ client_message.type = wm->atom.wm_protocols;
+ client_message.data.data32[0] = wm->atom.wm_take_focus;
+ client_message.data.data32[1] = XCB_TIME_CURRENT_TIME;
+
+ xcb_send_event(wm->conn, 0, window->id,
+ XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT,
+ (char *) &client_message);
+
+ xcb_set_input_focus (wm->conn,
+ XCB_INPUT_FOCUS_POINTER_ROOT, window->id, time);
+}
+
+static void
+weston_wm_window_schedule_repaint(struct weston_wm_window *window);
+
+static void
+weston_wm_window_activate(struct wl_listener *listener, void *data)
+{
+ struct weston_surface *surface = data;
+ struct weston_wm_window *window = get_wm_window(surface);
+ struct weston_wm *wm = window->wm;
+
+ if (window)
+ weston_wm_activate(wm, window, XCB_TIME_CURRENT_TIME);
+ else
+ xcb_set_input_focus (wm->conn,
+ XCB_INPUT_FOCUS_POINTER_ROOT,
+ XCB_NONE,
+ XCB_TIME_CURRENT_TIME);
+
+ if (wm->focus_window)
+ weston_wm_window_schedule_repaint(wm->focus_window);
+ wm->focus_window = window;
+ if (wm->focus_window)
+ weston_wm_window_schedule_repaint(wm->focus_window);
+}
+
+static int
+our_resource(struct weston_wm *wm, uint32_t id)
+{
+ const xcb_setup_t *setup;
+
+ setup = xcb_get_setup(wm->conn);
+
+ return (id & ~setup->resource_id_mask) == setup->resource_id_base;
+}
+
+static void
+weston_wm_handle_map_request(struct weston_wm *wm, xcb_generic_event_t *event)
+{
+ xcb_map_request_event_t *map_request =
+ (xcb_map_request_event_t *) event;
+ struct weston_wm_window *window;
+ uint32_t values[1];
+ int x, y, width, height;
+
+ if (our_resource(wm, map_request->window)) {
+ fprintf(stderr, "XCB_MAP_REQUEST (window %d, ours)\n",
+ map_request->window);
+ return;
+ }
+
+ window = hash_table_lookup(wm->window_hash, map_request->window);
+
+ weston_wm_window_read_properties(window);
+
+ weston_wm_window_get_frame_size(window, &width, &height);
+ weston_wm_window_get_child_position(window, &x, &y);
+
+ values[0] =
+ XCB_EVENT_MASK_KEY_PRESS |
+ XCB_EVENT_MASK_KEY_RELEASE |
+ XCB_EVENT_MASK_BUTTON_PRESS |
+ XCB_EVENT_MASK_BUTTON_RELEASE |
+ XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY |
+ XCB_EVENT_MASK_EXPOSURE;
+
+ window->frame_id = xcb_generate_id(wm->conn);
+ xcb_create_window(wm->conn,
+ XCB_COPY_FROM_PARENT,
+ window->frame_id,
+ wm->screen->root,
+ 0, 0,
+ width, height,
+ 0,
+ XCB_WINDOW_CLASS_INPUT_OUTPUT,
+ wm->screen->root_visual,
+ XCB_CW_EVENT_MASK, values);
+ xcb_reparent_window(wm->conn, window->id, window->frame_id, x, y);
+
+ values[0] = 0;
+ xcb_configure_window(wm->conn, window->id,
+ XCB_CONFIG_WINDOW_BORDER_WIDTH, values);
+
+ fprintf(stderr, "XCB_MAP_REQUEST (window %d, %p, frame %d)\n",
+ window->id, window, window->frame_id);
+
+ xcb_change_save_set(wm->conn, XCB_SET_MODE_DELETE, window->id);
+
+ xcb_map_window(wm->conn, map_request->window);
+ xcb_map_window(wm->conn, window->frame_id);
+
+ window->cairo_surface =
+ cairo_xcb_surface_create_with_xrender_format(wm->conn,
+ wm->screen,
+ window->frame_id,
+ &wm->render_format,
+ width, height);
+
+ hash_table_insert(wm->window_hash, window->frame_id, window);
+}
+
+static void
+weston_wm_handle_map_notify(struct weston_wm *wm, xcb_generic_event_t *event)
+{
+ xcb_map_notify_event_t *map_notify = (xcb_map_notify_event_t *) event;
+
+ if (our_resource(wm, map_notify->window)) {
+ fprintf(stderr, "XCB_MAP_NOTIFY (window %d, ours)\n",
+ map_notify->window);
+ return;
+ }
+
+ fprintf(stderr, "XCB_MAP_NOTIFY (window %d)\n", map_notify->window);
+}
+
+static void
+weston_wm_window_draw_decoration(void *data)
+{
+ struct weston_wm_window *window = data;
+ struct weston_wm *wm = window->wm;
+ struct theme *t = wm->theme;
+ cairo_t *cr;
+ int x, y, width, height;
+ const char *title;
+ uint32_t flags = 0;
+
+ weston_wm_window_read_properties(window);
+
+ window->repaint_source = NULL;
+
+ weston_wm_window_get_frame_size(window, &width, &height);
+ weston_wm_window_get_child_position(window, &x, &y);
+
+ cairo_xcb_surface_set_size(window->cairo_surface, width, height);
+ cr = cairo_create(window->cairo_surface);
+
+ if (window->decorate) {
+ if (wm->focus_window == window)
+ flags |= THEME_FRAME_ACTIVE;
+
+ if (window->name)
+ title = window->name;
+ else
+ title = "untitled";
+
+ theme_render_frame(t, cr, width, height, title, flags);
+ } else {
+ cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
+ cairo_set_source_rgba(cr, 0, 0, 0, 0);
+ cairo_paint(cr);
+
+ cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
+ cairo_set_source_rgba(cr, 0, 0, 0, 0.45);
+ tile_mask(cr, t->shadow, 2, 2, width + 8, height + 8, 64, 64);
+ }
+
+ cairo_destroy(cr);
+
+ if (window->surface) {
+ /* We leave an extra pixel around the X window area to
+ * make sure we don't sample from the undefined alpha
+ * channel when filtering. */
+ window->surface->opaque_rect[0] =
+ (double) (x - 1) / width;
+ window->surface->opaque_rect[1] =
+ (double) (x + window->width + 1) / width;
+ window->surface->opaque_rect[2] =
+ (double) (y - 1) / height;
+ window->surface->opaque_rect[3] =
+ (double) (y + window->height + 1) / height;
+
+ pixman_region32_init_rect(&window->surface->input,
+ t->margin, t->margin,
+ width - 2 * t->margin,
+ height - 2 * t->margin);
+ }
+}
+
+static void
+weston_wm_window_schedule_repaint(struct weston_wm_window *window)
+{
+ struct weston_wm *wm = window->wm;
+
+ if (window->frame_id == XCB_WINDOW_NONE || window->repaint_source)
+ return;
+
+ window->repaint_source =
+ wl_event_loop_add_idle(wm->server->loop,
+ weston_wm_window_draw_decoration,
+ window);
+}
+
+static void
+weston_wm_handle_expose(struct weston_wm *wm, xcb_generic_event_t *event)
+{
+ struct weston_wm_window *window;
+ xcb_expose_event_t *expose = (xcb_expose_event_t *) event;
+
+ window = hash_table_lookup(wm->window_hash, expose->window);
+ fprintf(stderr, "XCB_EXPOSE (window %d, title %s, surface %p)\n",
+ window->id, window->name, window->surface);
+
+ weston_wm_window_schedule_repaint(window);
+}
+
+
+static void
+weston_wm_handle_property_notify(struct weston_wm *wm, xcb_generic_event_t *event)
+{
+ xcb_property_notify_event_t *property_notify =
+ (xcb_property_notify_event_t *) event;
+ struct weston_wm_window *window;
+
+ window = hash_table_lookup(wm->window_hash, property_notify->window);
+ if (window)
+ window->properties_dirty = 1;
+
+ if (property_notify->atom == XCB_ATOM_WM_CLASS) {
+ fprintf(stderr, "wm_class changed\n");
+ } else if (property_notify->atom == XCB_ATOM_WM_TRANSIENT_FOR) {
+ fprintf(stderr, "wm_transient_for changed\n");
+ } else if (property_notify->atom == wm->atom.wm_protocols) {
+ fprintf(stderr, "wm_protocols changed\n");
+ } else if (property_notify->atom == wm->atom.net_wm_name) {
+ fprintf(stderr, "_net_wm_name changed\n");
+ weston_wm_window_schedule_repaint(window);
+ } else if (property_notify->atom == wm->atom.net_wm_user_time) {
+ fprintf(stderr, "_net_wm_user_time changed\n");
+ } else if (property_notify->atom == wm->atom.net_wm_icon_name) {
+ fprintf(stderr, "_net_wm_icon_name changed\n");
+ } else if (property_notify->atom == XCB_ATOM_WM_NAME) {
+ fprintf(stderr, "wm_name changed\n");
+ weston_wm_window_schedule_repaint(window);
+ } else if (property_notify->atom == XCB_ATOM_WM_ICON_NAME) {
+ fprintf(stderr, "wm_icon_name changed\n");
+ } else {
+ fprintf(stderr, "XCB_PROPERTY_NOTIFY: "
+ "unhandled property change: %s\n",
+ get_atom_name(wm->conn, property_notify->atom));
+ }
+}
+
+static void
+weston_wm_handle_create_notify(struct weston_wm *wm, xcb_generic_event_t *event)
+{
+ xcb_create_notify_event_t *create_notify =
+ (xcb_create_notify_event_t *) event;
+ struct weston_wm_window *window;
+ uint32_t values[1];
+
+ fprintf(stderr,
+ "XCB_CREATE_NOTIFY (window %d, width %d, height %d%s%s)\n",
+ create_notify->window,
+ create_notify->width, create_notify->height,
+ create_notify->override_redirect ? ", override" : "",
+ our_resource(wm, create_notify->window) ? ", ours" : "");
+
+ if (our_resource(wm, create_notify->window))
+ return;
+
+ window = malloc(sizeof *window);
+ if (window == NULL) {
+ fprintf(stderr, "failed to allocate window\n");
+ return;
+ }
+
+ values[0] = XCB_EVENT_MASK_PROPERTY_CHANGE;
+ xcb_change_window_attributes(wm->conn, create_notify->window,
+ XCB_CW_EVENT_MASK, values);
+
+ memset(window, 0, sizeof *window);
+ window->wm = wm;
+ window->id = create_notify->window;
+ window->properties_dirty = 1;
+
+ window->width = create_notify->width;
+ window->height = create_notify->height;
+
+ hash_table_insert(wm->window_hash, window->id, window);
+}
+
+static void
+weston_wm_handle_destroy_notify(struct weston_wm *wm, xcb_generic_event_t *event)
+{
+ xcb_destroy_notify_event_t *destroy_notify =
+ (xcb_destroy_notify_event_t *) event;
+ struct weston_wm_window *window;
+
+ if (our_resource(wm, destroy_notify->window)) {
+ fprintf(stderr, "XCB_DESTROY_NOTIFY, win %d (ours)\n",
+ destroy_notify->window);
+ return;
+ }
+
+ window = hash_table_lookup(wm->window_hash, destroy_notify->window);
+
+ fprintf(stderr, "XCB_DESTROY_NOTIFY, win %d (%p)\n",
+ destroy_notify->window, window);
+
+ if (window->repaint_source)
+ wl_event_source_remove(window->repaint_source);
+ if (window->cairo_surface)
+ cairo_surface_destroy(window->cairo_surface);
+
+ hash_table_remove(wm->window_hash, window->id);
+ hash_table_remove(wm->window_hash, window->frame_id);
+ xcb_destroy_window(wm->conn, window->frame_id);
+ if (window->surface)
+ wl_list_remove(&window->surface_destroy_listener.link);
+ free(window);
+}
+
+static void
+weston_wm_handle_client_message(struct weston_wm *wm,
+ xcb_generic_event_t *event)
+{
+ xcb_client_message_event_t *client_message =
+ (xcb_client_message_event_t *) event;
+ struct weston_shell_interface *shell_interface =
+ &wm->server->compositor->shell_interface;
+ struct weston_wm_window *window;
+ struct weston_seat *seat;
+
+ window = hash_table_lookup(wm->window_hash, client_message->window);
+
+ fprintf(stderr, "XCB_CLIENT_MESSAGE (%s %d %d %d %d %d)\n",
+ get_atom_name(wm->conn, client_message->type),
+ client_message->data.data32[0],
+ client_message->data.data32[1],
+ client_message->data.data32[2],
+ client_message->data.data32[3],
+ client_message->data.data32[4]);
+
+ seat = wm->server->compositor->seat;
+ if (client_message->type == wm->atom.net_wm_moveresize &&
+ client_message->data.data32[2] == _NET_WM_MOVERESIZE_MOVE &&
+ seat->seat.pointer->button_count == 1 &&
+ seat->seat.pointer->focus == &window->surface->surface)
+ shell_interface->move(window->shsurf, seat);
+}
+
+static void
+weston_wm_handle_button(struct weston_wm *wm, xcb_generic_event_t *event)
+{
+ xcb_button_press_event_t *button = (xcb_button_press_event_t *) event;
+ struct weston_shell_interface *shell_interface =
+ &wm->server->compositor->shell_interface;
+ struct weston_wm_window *window;
+
+ fprintf(stderr, "XCB_BUTTON_%s (detail %d)\n",
+ button->response_type == XCB_BUTTON_PRESS ?
+ "PRESS" : "RELEASE", button->detail);
+
+ window = hash_table_lookup(wm->window_hash, button->event);
+ if (button->response_type == XCB_BUTTON_PRESS &&
+ button->detail == 1)
+ shell_interface->move(window->shsurf,
+ wm->server->compositor->seat);
+}
+
+static int
+weston_wm_handle_event(int fd, uint32_t mask, void *data)
+{
+ struct weston_wm *wm = data;
+ xcb_generic_event_t *event;
+ int count = 0;
+
+ while (event = xcb_poll_for_event(wm->conn), event != NULL) {
+ if (weston_wm_handle_selection_event(wm, event)) {
+ fprintf(stderr, "handled by selection code\n");
+ free(event);
+ count++;
+ continue;
+ }
+
+ switch (event->response_type & ~0x80) {
+ case XCB_BUTTON_PRESS:
+ case XCB_BUTTON_RELEASE:
+ weston_wm_handle_button(wm, event);
+ break;
+ case XCB_EXPOSE:
+ weston_wm_handle_expose(wm, event);
+ break;
+ case XCB_CREATE_NOTIFY:
+ weston_wm_handle_create_notify(wm, event);
+ break;
+ case XCB_MAP_REQUEST:
+ weston_wm_handle_map_request(wm, event);
+ break;
+ case XCB_MAP_NOTIFY:
+ weston_wm_handle_map_notify(wm, event);
+ break;
+ case XCB_UNMAP_NOTIFY:
+ fprintf(stderr, "XCB_UNMAP_NOTIFY\n");
+ break;
+ case XCB_CONFIGURE_REQUEST:
+ weston_wm_handle_configure_request(wm, event);
+ break;
+ case XCB_CONFIGURE_NOTIFY:
+ weston_wm_handle_configure_notify(wm, event);
+ break;
+ case XCB_DESTROY_NOTIFY:
+ weston_wm_handle_destroy_notify(wm, event);
+ break;
+ case XCB_MAPPING_NOTIFY:
+ fprintf(stderr, "XCB_MAPPING_NOTIFY\n");
+ break;
+ case XCB_PROPERTY_NOTIFY:
+ weston_wm_handle_property_notify(wm, event);
+ break;
+ case XCB_CLIENT_MESSAGE:
+ weston_wm_handle_client_message(wm, event);
+ break;
+ }
+
+ free(event);
+ count++;
+ }
+
+ xcb_flush(wm->conn);
+
+ return count;
+}
+
+static void
+wxs_wm_get_resources(struct weston_wm *wm)
+{
+
+#define F(field) offsetof(struct weston_wm, field)
+
+ static const struct { const char *name; int offset; } atoms[] = {
+ { "WM_PROTOCOLS", F(atom.wm_protocols) },
+ { "WM_TAKE_FOCUS", F(atom.wm_take_focus) },
+ { "WM_DELETE_WINDOW", F(atom.wm_delete_window) },
+ { "_NET_WM_NAME", F(atom.net_wm_name) },
+ { "_NET_WM_ICON", F(atom.net_wm_icon) },
+ { "_NET_WM_STATE", F(atom.net_wm_state) },
+ { "_NET_WM_STATE_FULLSCREEN", F(atom.net_wm_state_fullscreen) },
+ { "_NET_WM_USER_TIME", F(atom.net_wm_user_time) },
+ { "_NET_WM_ICON_NAME", F(atom.net_wm_icon_name) },
+ { "_NET_WM_WINDOW_TYPE", F(atom.net_wm_window_type) },
+
+ { "_NET_WM_WINDOW_TYPE_DESKTOP", F(atom.net_wm_window_type_desktop) },
+ { "_NET_WM_WINDOW_TYPE_DOCK", F(atom.net_wm_window_type_dock) },
+ { "_NET_WM_WINDOW_TYPE_TOOLBAR", F(atom.net_wm_window_type_toolbar) },
+ { "_NET_WM_WINDOW_TYPE_MENU", F(atom.net_wm_window_type_menu) },
+ { "_NET_WM_WINDOW_TYPE_UTILITY", F(atom.net_wm_window_type_utility) },
+ { "_NET_WM_WINDOW_TYPE_SPLASH", F(atom.net_wm_window_type_splash) },
+ { "_NET_WM_WINDOW_TYPE_DIALOG", F(atom.net_wm_window_type_dialog) },
+ { "_NET_WM_WINDOW_TYPE_DROPDOWN", F(atom.net_wm_window_type_dropdown) },
+ { "_NET_WM_WINDOW_TYPE_POPUP", F(atom.net_wm_window_type_popup) },
+ { "_NET_WM_WINDOW_TYPE_TOOLTIP", F(atom.net_wm_window_type_tooltip) },
+ { "_NET_WM_WINDOW_TYPE_NOTIFICATION", F(atom.net_wm_window_type_notification) },
+ { "_NET_WM_WINDOW_TYPE_COMBO", F(atom.net_wm_window_type_combo) },
+ { "_NET_WM_WINDOW_TYPE_DND", F(atom.net_wm_window_type_dnd) },
+ { "_NET_WM_WINDOW_TYPE_NORMAL", F(atom.net_wm_window_type_normal) },
+
+ { "_NET_WM_MOVERESIZE", F(atom.net_wm_moveresize) },
+ { "_NET_SUPPORTING_WM_CHECK",
+ F(atom.net_supporting_wm_check) },
+ { "_NET_SUPPORTED", F(atom.net_supported) },
+ { "_MOTIF_WM_HINTS", F(atom.motif_wm_hints) },
+ { "CLIPBOARD", F(atom.clipboard) },
+ { "TARGETS", F(atom.targets) },
+ { "UTF8_STRING", F(atom.utf8_string) },
+ { "_WL_SELECTION", F(atom.wl_selection) },
+ { "INCR", F(atom.incr) },
+ { "TIMESTAMP", F(atom.timestamp) },
+ { "MULTIPLE", F(atom.multiple) },
+ { "UTF8_STRING" , F(atom.utf8_string) },
+ { "COMPOUND_TEXT", F(atom.compound_text) },
+ { "TEXT", F(atom.text) },
+ { "STRING", F(atom.string) },
+ { "text/plain;charset=utf-8", F(atom.text_plain_utf8) },
+ { "text/plain", F(atom.text_plain) },
+ };
+#undef F
+
+ xcb_xfixes_query_version_cookie_t xfixes_cookie;
+ xcb_xfixes_query_version_reply_t *xfixes_reply;
+ xcb_intern_atom_cookie_t cookies[ARRAY_LENGTH(atoms)];
+ xcb_intern_atom_reply_t *reply;
+ xcb_render_query_pict_formats_reply_t *formats_reply;
+ xcb_render_query_pict_formats_cookie_t formats_cookie;
+ xcb_render_pictforminfo_t *formats;
+ uint32_t i;
+
+ xcb_prefetch_extension_data (wm->conn, &xcb_xfixes_id);
+
+ formats_cookie = xcb_render_query_pict_formats(wm->conn);
+
+ for (i = 0; i < ARRAY_LENGTH(atoms); i++)
+ cookies[i] = xcb_intern_atom (wm->conn, 0,
+ strlen(atoms[i].name),
+ atoms[i].name);
+
+ for (i = 0; i < ARRAY_LENGTH(atoms); i++) {
+ reply = xcb_intern_atom_reply (wm->conn, cookies[i], NULL);
+ *(xcb_atom_t *) ((char *) wm + atoms[i].offset) = reply->atom;
+ free(reply);
+ }
+
+ wm->xfixes = xcb_get_extension_data(wm->conn, &xcb_xfixes_id);
+ if (!wm->xfixes || !wm->xfixes->present)
+ fprintf(stderr, "xfixes not available\n");
+
+ xfixes_cookie = xcb_xfixes_query_version(wm->conn,
+ XCB_XFIXES_MAJOR_VERSION,
+ XCB_XFIXES_MINOR_VERSION);
+ xfixes_reply = xcb_xfixes_query_version_reply(wm->conn,
+ xfixes_cookie, NULL);
+
+ printf("xfixes version: %d.%d\n",
+ xfixes_reply->major_version, xfixes_reply->minor_version);
+
+ free(xfixes_reply);
+
+ formats_reply = xcb_render_query_pict_formats_reply(wm->conn,
+ formats_cookie, 0);
+ if (formats_reply == NULL)
+ return;
+
+ formats = xcb_render_query_pict_formats_formats(formats_reply);
+ for (i = 0; i < formats_reply->length; i++)
+ if (formats[i].type == XCB_RENDER_PICT_TYPE_DIRECT &&
+ formats[i].depth == 24)
+ wm->render_format = formats[i];
+
+ free(formats_reply);
+}
+
+static void
+weston_wm_create_wm_window(struct weston_wm *wm)
+{
+ static const char name[] = "Weston WM";
+
+ wm->wm_window = xcb_generate_id(wm->conn);
+ xcb_create_window(wm->conn,
+ XCB_COPY_FROM_PARENT,
+ wm->wm_window,
+ wm->screen->root,
+ 0, 0,
+ 10, 10,
+ 0,
+ XCB_WINDOW_CLASS_INPUT_OUTPUT,
+ wm->screen->root_visual,
+ 0, NULL);
+
+ xcb_change_property(wm->conn,
+ XCB_PROP_MODE_REPLACE,
+ wm->wm_window,
+ wm->atom.net_supporting_wm_check,
+ XCB_ATOM_WINDOW,
+ 32, /* format */
+ 1, &wm->wm_window);
+
+ xcb_change_property(wm->conn,
+ XCB_PROP_MODE_REPLACE,
+ wm->wm_window,
+ wm->atom.net_wm_name,
+ wm->atom.utf8_string,
+ 8, /* format */
+ strlen(name), name);
+
+ xcb_change_property(wm->conn,
+ XCB_PROP_MODE_REPLACE,
+ wm->screen->root,
+ wm->atom.net_supporting_wm_check,
+ XCB_ATOM_WINDOW,
+ 32, /* format */
+ 1, &wm->wm_window);
+
+}
+
+struct weston_wm *
+weston_wm_create(struct weston_xserver *wxs)
+{
+ struct wl_seat *seat;
+ struct weston_wm *wm;
+ struct wl_event_loop *loop;
+ xcb_screen_iterator_t s;
+ uint32_t values[1], mask;
+ int sv[2];
+ xcb_atom_t supported[1];
+
+ wm = malloc(sizeof *wm);
+ if (wm == NULL)
+ return NULL;
+
+ memset(wm, 0, sizeof *wm);
+ wm->server = wxs;
+ wm->window_hash = hash_table_create();
+ if (wm->window_hash == NULL) {
+ free(wm);
+ return NULL;
+ }
+
+ if (socketpair(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0, sv) < 0) {
+ fprintf(stderr, "socketpair failed\n");
+ hash_table_destroy(wm->window_hash);
+ free(wm);
+ return NULL;
+ }
+
+ xserver_send_client(wxs->resource, sv[1]);
+ wl_client_flush(wxs->resource->client);
+ close(sv[1]);
+
+ /* xcb_connect_to_fd takes ownership of the fd. */
+ wm->conn = xcb_connect_to_fd(sv[0], NULL);
+ if (xcb_connection_has_error(wm->conn)) {
+ fprintf(stderr, "xcb_connect_to_fd failed\n");
+ close(sv[0]);
+ hash_table_destroy(wm->window_hash);
+ free(wm);
+ return NULL;
+ }
+
+ s = xcb_setup_roots_iterator(xcb_get_setup(wm->conn));
+ wm->screen = s.data;
+
+ loop = wl_display_get_event_loop(wxs->wl_display);
+ wm->source =
+ wl_event_loop_add_fd(loop, sv[0],
+ WL_EVENT_READABLE,
+ weston_wm_handle_event, wm);
+ wl_event_source_check(wm->source);
+
+ wxs_wm_get_resources(wm);
+
+ values[0] =
+ XCB_EVENT_MASK_STRUCTURE_NOTIFY |
+ XCB_EVENT_MASK_RESIZE_REDIRECT |
+ XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY |
+ XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT |
+ XCB_EVENT_MASK_PROPERTY_CHANGE;
+ xcb_change_window_attributes(wm->conn, wm->screen->root,
+ XCB_CW_EVENT_MASK, values);
+ wm->theme = theme_create();
+
+ weston_wm_create_wm_window(wm);
+
+ supported[0] = wm->atom.net_wm_moveresize;
+ xcb_change_property(wm->conn,
+ XCB_PROP_MODE_REPLACE,
+ wm->screen->root,
+ wm->atom.net_supported,
+ XCB_ATOM_ATOM,
+ 32, /* format */
+ ARRAY_LENGTH(supported), supported);
+
+ wm->selection_request.requestor = XCB_NONE;
+
+ wm->selection_window = xcb_generate_id(wm->conn);
+ xcb_create_window(wm->conn,
+ XCB_COPY_FROM_PARENT,
+ wm->selection_window,
+ wm->screen->root,
+ 0, 0,
+ 10, 10,
+ 0,
+ XCB_WINDOW_CLASS_INPUT_OUTPUT,
+ wm->screen->root_visual,
+ XCB_CW_EVENT_MASK, values);
+
+ mask =
+ XCB_XFIXES_SELECTION_EVENT_MASK_SET_SELECTION_OWNER |
+ XCB_XFIXES_SELECTION_EVENT_MASK_SELECTION_WINDOW_DESTROY |
+ XCB_XFIXES_SELECTION_EVENT_MASK_SELECTION_CLIENT_CLOSE;
+
+ xcb_xfixes_select_selection_input(wm->conn, wm->selection_window,
+ wm->atom.clipboard, mask);
+
+ xcb_flush(wm->conn);
+
+ seat = &wxs->compositor->seat->seat;
+ wm->selection_listener.notify = weston_wm_set_selection;
+ wl_signal_add(&seat->selection_signal, &wm->selection_listener);
+
+ wm->activate_listener.notify = weston_wm_window_activate;
+ wl_signal_add(&wxs->compositor->activate_signal,
+ &wm->activate_listener);
+
+ fprintf(stderr, "created wm\n");
+
+ return wm;
+}
+
+void
+weston_wm_destroy(struct weston_wm *wm)
+{
+ /* FIXME: Free windows in hash. */
+ hash_table_destroy(wm->window_hash);
+ xcb_disconnect(wm->conn);
+ wl_event_source_remove(wm->source);
+ wl_list_remove(&wm->selection_listener.link);
+ wl_list_remove(&wm->activate_listener.link);
+
+ free(wm);
+}
+
+static void
+surface_destroy(struct wl_listener *listener, void *data)
+{
+ struct weston_wm_window *window =
+ container_of(listener,
+ struct weston_wm_window, surface_destroy_listener);
+
+ fprintf(stderr, "surface for xid %d destroyed\n", window->id);
+}
+
+static struct weston_wm_window *
+get_wm_window(struct weston_surface *surface)
+{
+ struct wl_resource *resource = &surface->surface.resource;
+ struct wl_listener *listener;
+
+ listener = wl_signal_get(&resource->destroy_signal, surface_destroy);
+ if (listener)
+ return container_of(listener, struct weston_wm_window,
+ surface_destroy_listener);
+
+ return NULL;
+}
+
+static void
+xserver_map_shell_surface(struct weston_wm *wm,
+ struct weston_wm_window *window)
+{
+ struct weston_shell_interface *shell_interface =
+ &wm->server->compositor->shell_interface;
+ struct weston_wm_window *parent;
+ struct theme *t = window->wm->theme;
+
+ if (!shell_interface->create_shell_surface)
+ return;
+
+ window->shsurf =
+ shell_interface->create_shell_surface(shell_interface->shell,
+ window->surface);
+
+ if (!window->transient_for) {
+ shell_interface->set_toplevel(window->shsurf);
+ return;
+ }
+
+ parent = hash_table_lookup(wm->window_hash, window->transient_for->id);
+ shell_interface->set_transient(window->shsurf, parent->shsurf,
+ window->x - parent->x + t->margin + t->width,
+ window->y - parent->y + t->margin + t->titlebar_height,
+ WL_SHELL_SURFACE_TRANSIENT_INACTIVE);
+}
+
+static void
+xserver_set_window_id(struct wl_client *client, struct wl_resource *resource,
+ struct wl_resource *surface_resource, uint32_t id)
+{
+ struct weston_xserver *wxs = resource->data;
+ struct weston_wm *wm = wxs->wm;
+ struct wl_surface *surface = surface_resource->data;
+ struct weston_wm_window *window;
+
+ if (client != wxs->client)
+ return;
+
+ window = hash_table_lookup(wm->window_hash, id);
+ if (window == NULL) {
+ fprintf(stderr, "set_window_id for unknown window %d\n", id);
+ return;
+ }
+
+ fprintf(stderr, "set_window_id %d for surface %p\n", id, surface);
+
+ weston_wm_window_read_properties(window);
+
+ window->surface = (struct weston_surface *) surface;
+ window->surface_destroy_listener.notify = surface_destroy;
+ wl_signal_add(&surface->resource.destroy_signal,
+ &window->surface_destroy_listener);
+
+ weston_wm_window_schedule_repaint(window);
+ xserver_map_shell_surface(wm, window);
+}
+
+const struct xserver_interface xserver_implementation = {
+ xserver_set_window_id
+};