gtk/gdk/broadway/gdkdisplay-broadway.c

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/* GDK - The GIMP Drawing Kit
* gdkdisplay-broadway.c
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*
* Copyright 2001 Sun Microsystems Inc.
* Copyright (C) 2004 Nokia Corporation
*
* Erwann Chenede <erwann.chenede@sun.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include "gdkdisplay-broadway.h"
#include "gdkdisplay.h"
#include "gdkeventsource.h"
#include "gdkscreen.h"
#include "gdkscreen-broadway.h"
#include "gdkinternals.h"
#include "gdkdeviceprivate.h"
#include "gdkdevicemanager.h"
#include <glib.h>
#include <glib/gprintf.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
static void gdk_display_broadway_dispose (GObject *object);
static void gdk_display_broadway_finalize (GObject *object);
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G_DEFINE_TYPE (GdkDisplayBroadway, _gdk_display_broadway, GDK_TYPE_DISPLAY)
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static void
_gdk_display_broadway_class_init (GdkDisplayBroadwayClass * class)
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{
GObjectClass *object_class = G_OBJECT_CLASS (class);
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object_class->dispose = gdk_display_broadway_dispose;
object_class->finalize = gdk_display_broadway_finalize;
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}
static void
_gdk_display_broadway_init (GdkDisplayBroadway *display)
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{
}
static void
_gdk_event_init (GdkDisplay *display)
{
GdkDisplayBroadway *display_broadway;
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display_broadway = GDK_DISPLAY_BROADWAY (display);
display_broadway->event_source = gdk_event_source_new (display);
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}
static void
_gdk_input_init (GdkDisplay *display)
{
GdkDisplayBroadway *display_broadway;
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GdkDeviceManager *device_manager;
GdkDevice *device;
GList *list, *l;
display_broadway = GDK_DISPLAY_BROADWAY (display);
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device_manager = gdk_display_get_device_manager (display);
/* For backwards compatibility, just add
* floating devices that are not keyboards.
*/
list = gdk_device_manager_list_devices (device_manager, GDK_DEVICE_TYPE_FLOATING);
for (l = list; l; l = l->next)
{
device = l->data;
if (gdk_device_get_source (device) == GDK_SOURCE_KEYBOARD)
continue;
display_broadway->input_devices = g_list_prepend (display_broadway->input_devices,
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g_object_ref (l->data));
}
g_list_free (list);
/* Now set "core" pointer to the first
* master device that is a pointer.
*/
list = gdk_device_manager_list_devices (device_manager, GDK_DEVICE_TYPE_MASTER);
for (l = list; l; l = l->next)
{
device = list->data;
if (gdk_device_get_source (device) != GDK_SOURCE_MOUSE)
continue;
display->core_pointer = device;
break;
}
/* Add the core pointer to the devices list */
display_broadway->input_devices = g_list_prepend (display_broadway->input_devices,
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g_object_ref (display->core_pointer));
g_list_free (list);
}
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typedef struct {
GdkDisplay *display;
GSocketConnection *connection;
GDataInputStream *data;
GString *request;
} HttpRequest;
static void
http_request_free (HttpRequest *request)
{
g_object_unref (request->connection);
g_object_unref (request->data);
g_string_free (request->request, TRUE);
g_free (request);
}
static void
send_error (HttpRequest *request,
int error_code,
const char *reason)
{
char *res;
res = g_strdup_printf ("HTTP/1.0 %d %s\r\n\r\n"
"<html><head><title>%d %s</title></head>"
"<body>%s</body></html>",
error_code, reason,
error_code, reason,
reason);
/* TODO: This should really be async */
g_output_stream_write_all (g_io_stream_get_output_stream (G_IO_STREAM (request->connection)),
res, strlen (res), NULL, NULL, NULL);
g_free (res);
http_request_free (request);
}
static void
got_request (HttpRequest *request)
{
g_print ("got request:\n%s", request->request->str);
send_error (request, 404, "Not implemented yet");
}
static void
got_http_request_line (GOutputStream *stream,
GAsyncResult *result,
HttpRequest *request)
{
char *line;
line = g_data_input_stream_read_line_finish (G_DATA_INPUT_STREAM (stream), result, NULL, NULL);
if (line == NULL)
{
http_request_free (request);
g_printerr ("Error reading request lines\n");
return;
}
if (strlen (line) == 0)
got_request (request);
else
{
/* Protect against overflow in request length */
if (request->request->len > 1024 * 5)
{
send_error (request, 400, "Request to long");
}
else
{
g_string_append_printf (request->request, "%s\n", line);
g_data_input_stream_read_line_async (request->data, 0, NULL,
(GAsyncReadyCallback)got_http_request_line, request);
}
}
g_free (line);
}
static gboolean
handle_incoming_connection (GSocketService *service,
GSocketConnection *connection,
GObject *source_object)
{
HttpRequest *request;
GInputStream *in;
request = g_new0 (HttpRequest, 1);
request->connection = g_object_ref (connection);
request->display = (GdkDisplay *) source_object;
request->request = g_string_new ("");
in = g_io_stream_get_input_stream (G_IO_STREAM (connection));
request->data = g_data_input_stream_new (in);
/* Be tolerant of input */
g_data_input_stream_set_newline_type (request->data, G_DATA_STREAM_NEWLINE_TYPE_ANY);
g_data_input_stream_read_line_async (request->data, 0, NULL,
(GAsyncReadyCallback)got_http_request_line, request);
return TRUE;
}
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GdkDisplay *
gdk_display_open (const gchar *display_name)
{
GdkDisplay *display;
GdkDisplayBroadway *display_broadway;
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const char *sm_client_id;
int fd;
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GError *error;
fd = dup(STDOUT_FILENO);
dup2(STDERR_FILENO, STDOUT_FILENO);
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display = g_object_new (GDK_TYPE_DISPLAY_BROADWAY, NULL);
display_broadway = GDK_DISPLAY_BROADWAY (display);
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display_broadway->connection = broadway_client_new (fd);
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/* initialize the display's screens */
display_broadway->screens = g_new (GdkScreen *, 1);
display_broadway->screens[0] = _gdk_broadway_screen_new (display, 0);
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/* We need to initialize events after we have the screen
* structures in places
*/
_gdk_screen_broadway_events_init (display_broadway->screens[0]);
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/*set the default screen */
display_broadway->default_screen = display_broadway->screens[0];
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display->device_manager = _gdk_device_manager_new (display);
_gdk_event_init (display);
sm_client_id = _gdk_get_sm_client_id ();
if (sm_client_id)
_gdk_windowing_display_set_sm_client_id (display, sm_client_id);
_gdk_input_init (display);
_gdk_dnd_init (display);
_gdk_broadway_screen_setup (display_broadway->screens[0]);
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display_broadway->service = g_socket_service_new ();
if (!g_socket_listener_add_inet_port (G_SOCKET_LISTENER (display_broadway->service),
8080,
G_OBJECT (display),
&error))
{
g_printerr ("Unable to listen to port %d: %s\n", 8080, error->message);
g_error_free (error);
return NULL;
}
g_signal_connect (display_broadway->service, "incoming", G_CALLBACK (handle_incoming_connection), NULL);
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g_signal_emit_by_name (display, "opened");
g_signal_emit_by_name (gdk_display_manager_get (), "display-opened", display);
return display;
}
G_CONST_RETURN gchar *
gdk_display_get_name (GdkDisplay *display)
{
g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
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return (gchar *) "Broadway";
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}
gint
gdk_display_get_n_screens (GdkDisplay *display)
{
g_return_val_if_fail (GDK_IS_DISPLAY (display), 0);
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return 1;
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}
GdkScreen *
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gdk_display_get_screen (GdkDisplay *display,
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gint screen_num)
{
g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
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g_return_val_if_fail (screen_num == 0, NULL);
return GDK_DISPLAY_BROADWAY (display)->screens[screen_num];
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}
GdkScreen *
gdk_display_get_default_screen (GdkDisplay *display)
{
g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
return GDK_DISPLAY_BROADWAY (display)->default_screen;
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}
void
gdk_device_ungrab (GdkDevice *device,
guint32 time_)
{
}
void
gdk_display_beep (GdkDisplay *display)
{
g_return_if_fail (GDK_IS_DISPLAY (display));
}
void
gdk_display_sync (GdkDisplay *display)
{
g_return_if_fail (GDK_IS_DISPLAY (display));
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}
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void
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gdk_display_flush (GdkDisplay *display)
{
g_return_if_fail (GDK_IS_DISPLAY (display));
}
GdkWindow *
gdk_display_get_default_group (GdkDisplay *display)
{
g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
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return NULL;
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}
void
gdk_broadway_display_grab (GdkDisplay *display)
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{
}
void
gdk_broadway_display_ungrab (GdkDisplay *display)
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{
}
static void
gdk_display_broadway_dispose (GObject *object)
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{
GdkDisplayBroadway *display_broadway = GDK_DISPLAY_BROADWAY (object);
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g_list_foreach (display_broadway->input_devices, (GFunc) g_object_run_dispose, NULL);
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_gdk_screen_close (display_broadway->screens[0]);
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if (display_broadway->event_source)
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{
g_source_destroy (display_broadway->event_source);
g_source_unref (display_broadway->event_source);
display_broadway->event_source = NULL;
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}
G_OBJECT_CLASS (_gdk_display_broadway_parent_class)->dispose (object);
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}
static void
gdk_display_broadway_finalize (GObject *object)
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{
GdkDisplayBroadway *display_broadway = GDK_DISPLAY_BROADWAY (object);
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/* Keymap */
if (display_broadway->keymap)
g_object_unref (display_broadway->keymap);
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_gdk_broadway_cursor_display_finalize (GDK_DISPLAY_OBJECT(display_broadway));
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/* Atom Hashtable */
g_hash_table_destroy (display_broadway->atom_from_virtual);
g_hash_table_destroy (display_broadway->atom_to_virtual);
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/* input GdkDevice list */
g_list_foreach (display_broadway->input_devices, (GFunc) g_object_unref, NULL);
g_list_free (display_broadway->input_devices);
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/* Free all GdkScreens */
g_object_unref (display_broadway->screens[0]);
g_free (display_broadway->screens);
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G_OBJECT_CLASS (_gdk_display_broadway_parent_class)->finalize (object);
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}
void
_gdk_windowing_set_default_display (GdkDisplay *display)
{
}
void
gdk_notify_startup_complete (void)
{
}
void
gdk_notify_startup_complete_with_id (const gchar* startup_id)
{
}
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gboolean
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gdk_display_supports_selection_notification (GdkDisplay *display)
{
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return FALSE;
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}
gboolean
gdk_display_request_selection_notification (GdkDisplay *display,
GdkAtom selection)
{
return FALSE;
}
gboolean
gdk_display_supports_clipboard_persistence (GdkDisplay *display)
{
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return FALSE;
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}
void
gdk_display_store_clipboard (GdkDisplay *display,
GdkWindow *clipboard_window,
guint32 time_,
const GdkAtom *targets,
gint n_targets)
{
}
guint32
gdk_broadway_display_get_user_time (GdkDisplay *display)
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{
return GDK_DISPLAY_BROADWAY (display)->user_time;
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}
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gboolean
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gdk_display_supports_shapes (GdkDisplay *display)
{
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return FALSE;
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}
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gboolean
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gdk_display_supports_input_shapes (GdkDisplay *display)
{
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return FALSE;
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}
gboolean
gdk_display_supports_composite (GdkDisplay *display)
{
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return FALSE;
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}
GList *
gdk_display_list_devices (GdkDisplay *display)
{
g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
return GDK_DISPLAY_BROADWAY (display)->input_devices;
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}
gboolean
gdk_event_send_client_message_for_display (GdkDisplay *display,
GdkEvent *event,
GdkNativeWindow winid)
{
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return FALSE;
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}
void
gdk_display_add_client_message_filter (GdkDisplay *display,
GdkAtom message_type,
GdkFilterFunc func,
gpointer data)
{
}
void
gdk_add_client_message_filter (GdkAtom message_type,
GdkFilterFunc func,
gpointer data)
{
}
void
gdk_flush (void)
{
GSList *tmp_list = _gdk_displays;
while (tmp_list)
{
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gdk_display_flush (GDK_DISPLAY_OBJECT (tmp_list->data));
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tmp_list = tmp_list->next;
}
}
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gulong
_gdk_windowing_window_get_next_serial (GdkDisplay *display)
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{
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return 0;
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}