Kristian Høgsberg
11 years ago
parent
9466e50626
commit
f9cb3b17d5
@ -0,0 +1,274 @@ |
||||
/*
|
||||
* Copyright © 2013 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. |
||||
*/ |
||||
|
||||
#include "config.h" |
||||
|
||||
#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 <X11/Xcursor/Xcursor.h> |
||||
|
||||
#include "xwayland.h" |
||||
|
||||
#include "../../shared/cairo-util.h" |
||||
#include "../compositor.h" |
||||
#include "xserver-server-protocol.h" |
||||
#include "hash.h" |
||||
|
||||
static void |
||||
weston_dnd_start(struct weston_wm *wm, xcb_window_t owner) |
||||
{ |
||||
uint32_t values[1], version = 4; |
||||
|
||||
wm->dnd_window = xcb_generate_id(wm->conn); |
||||
values[0] = |
||||
XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | |
||||
XCB_EVENT_MASK_PROPERTY_CHANGE; |
||||
|
||||
xcb_create_window(wm->conn, |
||||
XCB_COPY_FROM_PARENT, |
||||
wm->dnd_window, |
||||
wm->screen->root, |
||||
0, 0, |
||||
8192, 8192, |
||||
0, |
||||
XCB_WINDOW_CLASS_INPUT_ONLY, |
||||
wm->screen->root_visual, |
||||
XCB_CW_EVENT_MASK, values); |
||||
xcb_change_property(wm->conn, |
||||
XCB_PROP_MODE_REPLACE, |
||||
wm->dnd_window, |
||||
wm->atom.xdnd_aware, |
||||
XCB_ATOM_ATOM, |
||||
32, /* format */ |
||||
1, &version); |
||||
|
||||
xcb_map_window(wm->conn, wm->dnd_window); |
||||
wm->dnd_owner = owner; |
||||
} |
||||
|
||||
static void |
||||
weston_dnd_stop(struct weston_wm *wm) |
||||
{ |
||||
xcb_destroy_window(wm->conn, wm->dnd_window); |
||||
wm->dnd_window = XCB_WINDOW_NONE; |
||||
} |
||||
|
||||
struct dnd_data_source { |
||||
struct weston_data_source base; |
||||
struct weston_wm *wm; |
||||
int version; |
||||
uint32_t window; |
||||
}; |
||||
|
||||
static void |
||||
data_source_accept(struct weston_data_source *base, |
||||
uint32_t time, const char *mime_type) |
||||
{ |
||||
struct dnd_data_source *source = (struct dnd_data_source *) base; |
||||
xcb_client_message_event_t client_message; |
||||
struct weston_wm *wm = source->wm; |
||||
|
||||
weston_log("got accept, mime-type %s\n", mime_type); |
||||
|
||||
/* FIXME: If we rewrote UTF8_STRING to
|
||||
* text/plain;charset=utf-8 and the source doesn't support the |
||||
* mime-type, we'll have to rewrite the mime-type back to |
||||
* UTF8_STRING here. */ |
||||
|
||||
client_message.response_type = XCB_CLIENT_MESSAGE; |
||||
client_message.format = 32; |
||||
client_message.window = wm->dnd_window; |
||||
client_message.type = wm->atom.xdnd_status; |
||||
client_message.data.data32[0] = wm->dnd_window; |
||||
client_message.data.data32[1] = 2; |
||||
if (mime_type) |
||||
client_message.data.data32[1] |= 1; |
||||
client_message.data.data32[2] = 0; |
||||
client_message.data.data32[3] = 0; |
||||
client_message.data.data32[4] = wm->atom.xdnd_action_copy; |
||||
|
||||
xcb_send_event(wm->conn, 0, wm->dnd_owner, |
||||
XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT, |
||||
(char *) &client_message); |
||||
} |
||||
|
||||
static void |
||||
data_source_send(struct weston_data_source *base, |
||||
const char *mime_type, int32_t fd) |
||||
{ |
||||
struct dnd_data_source *source = (struct dnd_data_source *) base; |
||||
struct weston_wm *wm = source->wm; |
||||
|
||||
weston_log("got send, %s\n", mime_type); |
||||
|
||||
/* Get data for the utf8_string target */ |
||||
xcb_convert_selection(wm->conn, |
||||
wm->selection_window, |
||||
wm->atom.xdnd_selection, |
||||
wm->atom.utf8_string, |
||||
wm->atom.wl_selection, |
||||
XCB_TIME_CURRENT_TIME); |
||||
|
||||
xcb_flush(wm->conn); |
||||
|
||||
fcntl(fd, F_SETFL, O_WRONLY | O_NONBLOCK); |
||||
wm->data_source_fd = fd; |
||||
} |
||||
|
||||
static void |
||||
data_source_cancel(struct weston_data_source *source) |
||||
{ |
||||
weston_log("got cancel\n"); |
||||
} |
||||
|
||||
static void |
||||
handle_enter(struct weston_wm *wm, xcb_client_message_event_t *client_message) |
||||
{ |
||||
struct dnd_data_source *source; |
||||
struct weston_seat *seat = weston_wm_pick_seat(wm); |
||||
char **p; |
||||
const char *name; |
||||
uint32_t *types; |
||||
int i, length, has_text; |
||||
xcb_get_property_cookie_t cookie; |
||||
xcb_get_property_reply_t *reply; |
||||
|
||||
source = malloc(sizeof *source); |
||||
if (source == NULL) |
||||
return; |
||||
|
||||
wl_signal_init(&source->base.destroy_signal); |
||||
source->base.accept = data_source_accept; |
||||
source->base.send = data_source_send; |
||||
source->base.cancel = data_source_cancel; |
||||
source->wm = wm; |
||||
source->window = client_message->data.data32[0]; |
||||
source->version = client_message->data.data32[1] >> 24; |
||||
|
||||
if (client_message->data.data32[1] & 1) { |
||||
cookie = xcb_get_property(wm->conn, |
||||
0, /* delete */ |
||||
source->window, |
||||
wm->atom.xdnd_type_list, |
||||
XCB_ATOM_ANY, 0, 2048); |
||||
reply = xcb_get_property_reply(wm->conn, cookie, NULL); |
||||
types = xcb_get_property_value(reply); |
||||
length = reply->value_len; |
||||
} else { |
||||
reply = NULL; |
||||
types = &client_message->data.data32[2]; |
||||
length = 3; |
||||
} |
||||
|
||||
wl_array_init(&source->base.mime_types); |
||||
has_text = 0; |
||||
for (i = 0; i < length; i++) { |
||||
if (types[i] == XCB_ATOM_NONE) |
||||
continue; |
||||
|
||||
name = get_atom_name(wm->conn, types[i]); |
||||
if (types[i] == wm->atom.utf8_string || |
||||
types[i] == wm->atom.text_plain_utf8 || |
||||
types[i] == wm->atom.text_plain) { |
||||
if (has_text) |
||||
continue; |
||||
|
||||
has_text = 1; |
||||
p = wl_array_add(&source->base.mime_types, sizeof *p); |
||||
if (p) |
||||
*p = strdup("text/plain;charset=utf-8"); |
||||
} else if (strchr(name, '/')) { |
||||
p = wl_array_add(&source->base.mime_types, sizeof *p); |
||||
if (p) |
||||
*p = strdup(name); |
||||
} |
||||
} |
||||
|
||||
free(reply); |
||||
weston_seat_start_drag(seat, &source->base, NULL, NULL); |
||||
} |
||||
|
||||
int |
||||
weston_wm_handle_dnd_event(struct weston_wm *wm, |
||||
xcb_generic_event_t *event) |
||||
{ |
||||
xcb_xfixes_selection_notify_event_t *xfixes_selection_notify = |
||||
(xcb_xfixes_selection_notify_event_t *) event; |
||||
xcb_client_message_event_t *client_message = |
||||
(xcb_client_message_event_t *) event; |
||||
|
||||
switch (event->response_type - wm->xfixes->first_event) { |
||||
case XCB_XFIXES_SELECTION_NOTIFY: |
||||
if (xfixes_selection_notify->selection != wm->atom.xdnd_selection) |
||||
return 0; |
||||
|
||||
weston_log("XdndSelection owner: %d!\n", |
||||
xfixes_selection_notify->owner); |
||||
|
||||
if (xfixes_selection_notify->owner != XCB_WINDOW_NONE) |
||||
weston_dnd_start(wm, xfixes_selection_notify->owner); |
||||
else |
||||
weston_dnd_stop(wm); |
||||
|
||||
return 1; |
||||
} |
||||
|
||||
switch (EVENT_TYPE(event)) { |
||||
case XCB_CLIENT_MESSAGE: |
||||
if (client_message->type == wm->atom.xdnd_enter) { |
||||
handle_enter(wm, client_message); |
||||
return 1; |
||||
} else if (client_message->type == wm->atom.xdnd_leave) { |
||||
weston_log("got leave!\n"); |
||||
return 1; |
||||
} else if (client_message->type == wm->atom.xdnd_drop) { |
||||
weston_log("got drop!\n"); |
||||
return 1; |
||||
} else if (client_message->type == wm->atom.xdnd_drop) { |
||||
weston_log("got enter!\n"); |
||||
return 1; |
||||
} |
||||
return 0; |
||||
} |
||||
|
||||
return 0; |
||||
} |
||||
|
||||
void |
||||
weston_wm_dnd_init(struct weston_wm *wm) |
||||
{ |
||||
uint32_t mask; |
||||
|
||||
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.xdnd_selection, mask); |
||||
} |
||||
Loading…
Reference in new issue