gtk2/gdk/broadway/gdkdisplay-broadway.c
Benjamin Otte 4042d5f242 gdk: Remove ability to own a selection
With this, the GDK_EVENT_SELECTION_REQUEST and GDK_EVENT_SELECTION_CLEAR
and the associated GtkWidget signals are gone, too.
2017-12-13 23:39:02 +01:00

588 lines
17 KiB
C

/* GDK - The GIMP Drawing Kit
* gdkdisplay-broadway.c
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "gdkdisplay-broadway.h"
#include "gdkdisplay.h"
#include "gdkeventsource.h"
#include "gdkmonitor-broadway.h"
#include "gdkseatdefaultprivate.h"
#include "gdkdevice-broadway.h"
#include "gdkinternals.h"
#include "gdkdeviceprivate.h"
#include <gdk/gdktextureprivate.h>
#include <glib.h>
#include <glib/gprintf.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <sys/types.h>
static gboolean
compare_surface (cairo_surface_t *a,
cairo_surface_t *b,
int width,
int height)
{
unsigned char *data_a, *data_b;
int stride_a, stride_b;
int y;
data_a = cairo_image_surface_get_data (a);
stride_a = cairo_image_surface_get_stride (a);
data_b = cairo_image_surface_get_data (b);
stride_b = cairo_image_surface_get_stride (b);
for (y = 0; y < height; y++)
{
if (memcmp (data_a, data_b, 4 * width) != 0)
return FALSE;
data_a += stride_a;
data_b += stride_b;
}
return TRUE;
}
static gboolean
gdk_texture_equal (GdkTexture *a,
GdkTexture *b)
{
cairo_surface_t *surface_a;
cairo_surface_t *surface_b;
gboolean res;
if (a == b)
return TRUE;
if (a->width != b->width ||
a->height != b->height)
return FALSE;
surface_a = gdk_texture_download_surface (a);
surface_b = gdk_texture_download_surface (b);
res = compare_surface (surface_a, surface_b, a->width, a->height);
cairo_surface_destroy (surface_a);
cairo_surface_destroy (surface_b);
return res;
}
static guint
gdk_texture_hash (GdkTexture *self)
{
cairo_surface_t *surface;
unsigned char *data;
int stride;
guint32 *row;
guint64 sum;
int x, y, width, height;
guint h;
surface = gdk_texture_download_surface (self);
data = cairo_image_surface_get_data (surface);
stride = cairo_image_surface_get_stride (surface);
width = MIN (self->width, 4);
height = MIN (self->height, 4);
sum = 0;
for (y = 0; y < height; y++, data += stride)
{
row = (guint32 *)data;
for (x = 0; x < width; x++)
sum += row[x];
}
cairo_surface_destroy (surface);
h = sum / (width * height);
return h ^ self->width ^ (self->height << 16);
}
static void gdk_broadway_display_dispose (GObject *object);
static void gdk_broadway_display_finalize (GObject *object);
#if 0
#define DEBUG_WEBSOCKETS 1
#endif
G_DEFINE_TYPE (GdkBroadwayDisplay, gdk_broadway_display, GDK_TYPE_DISPLAY)
static void
gdk_broadway_display_init (GdkBroadwayDisplay *display)
{
display->id_ht = g_hash_table_new (NULL, NULL);
display->monitor = g_object_new (GDK_TYPE_BROADWAY_MONITOR,
"display", display,
NULL);
gdk_monitor_set_manufacturer (display->monitor, "browser");
gdk_monitor_set_model (display->monitor, "0");
display->texture_cache = g_hash_table_new ((GHashFunc)gdk_texture_hash, (GEqualFunc)gdk_texture_equal);
}
static void
gdk_event_init (GdkDisplay *display)
{
GdkBroadwayDisplay *broadway_display;
broadway_display = GDK_BROADWAY_DISPLAY (display);
broadway_display->event_source = _gdk_broadway_event_source_new (display);
}
void
_gdk_broadway_display_size_changed (GdkDisplay *display,
BroadwayInputScreenResizeNotify *msg)
{
GdkBroadwayDisplay *broadway_display = GDK_BROADWAY_DISPLAY (display);
GdkMonitor *monitor;
GdkRectangle size;
GList *toplevels, *l;
monitor = broadway_display->monitor;
gdk_monitor_get_geometry (monitor, &size);
if (msg->width == size.width && msg->height == size.height)
return;
gdk_monitor_set_size (monitor, msg->width, msg->height);
gdk_monitor_set_physical_size (monitor, msg->width * 25.4 / 96, msg->height * 25.4 / 96);
toplevels = broadway_display->toplevels;
for (l = toplevels; l != NULL; l = l->next)
{
GdkWindowImplBroadway *toplevel_impl = l->data;
if (toplevel_impl->maximized)
gdk_window_move_resize (toplevel_impl->wrapper, 0, 0, msg->width, msg->height);
}
}
static GdkDevice *
create_core_pointer (GdkDisplay *display)
{
return g_object_new (GDK_TYPE_BROADWAY_DEVICE,
"name", "Core Pointer",
"type", GDK_DEVICE_TYPE_MASTER,
"input-source", GDK_SOURCE_MOUSE,
"input-mode", GDK_MODE_SCREEN,
"has-cursor", TRUE,
"display", display,
NULL);
}
static GdkDevice *
create_core_keyboard (GdkDisplay *display)
{
return g_object_new (GDK_TYPE_BROADWAY_DEVICE,
"name", "Core Keyboard",
"type", GDK_DEVICE_TYPE_MASTER,
"input-source", GDK_SOURCE_KEYBOARD,
"input-mode", GDK_MODE_SCREEN,
"has-cursor", FALSE,
"display", display,
NULL);
}
static GdkDevice *
create_touchscreen (GdkDisplay *display)
{
return g_object_new (GDK_TYPE_BROADWAY_DEVICE,
"name", "Touchscreen",
"type", GDK_DEVICE_TYPE_SLAVE,
"input-source", GDK_SOURCE_TOUCHSCREEN,
"input-mode", GDK_MODE_SCREEN,
"has-cursor", FALSE,
"display", display,
NULL);
}
GdkDisplay *
_gdk_broadway_display_open (const gchar *display_name)
{
GdkDisplay *display;
GdkBroadwayDisplay *broadway_display;
GError *error = NULL;
GdkSeat *seat;
display = g_object_new (GDK_TYPE_BROADWAY_DISPLAY, NULL);
broadway_display = GDK_BROADWAY_DISPLAY (display);
broadway_display->core_pointer = create_core_pointer (display);
broadway_display->core_keyboard = create_core_keyboard (display);
broadway_display->touchscreen = create_touchscreen (display);
_gdk_device_set_associated_device (broadway_display->core_pointer, broadway_display->core_keyboard);
_gdk_device_set_associated_device (broadway_display->core_keyboard, broadway_display->core_pointer);
_gdk_device_set_associated_device (broadway_display->touchscreen, broadway_display->core_pointer);
_gdk_device_add_slave (broadway_display->core_pointer, broadway_display->touchscreen);
seat = gdk_seat_default_new_for_master_pair (broadway_display->core_pointer,
broadway_display->core_keyboard);
gdk_display_add_seat (display, seat);
gdk_seat_default_add_slave (GDK_SEAT_DEFAULT (seat), broadway_display->touchscreen);
g_object_unref (seat);
gdk_event_init (display);
_gdk_broadway_display_init_dnd (display);
if (display_name == NULL)
display_name = g_getenv ("BROADWAY_DISPLAY");
broadway_display->server = _gdk_broadway_server_new (display_name, &error);
if (broadway_display->server == NULL)
{
g_printerr ("Unable to init server: %s\n", error->message);
g_error_free (error);
return NULL;
}
g_signal_emit_by_name (display, "opened");
return display;
}
static const gchar *
gdk_broadway_display_get_name (GdkDisplay *display)
{
g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
return (gchar *) "Broadway";
}
static void
gdk_broadway_display_beep (GdkDisplay *display)
{
g_return_if_fail (GDK_IS_DISPLAY (display));
}
static void
gdk_broadway_display_sync (GdkDisplay *display)
{
GdkBroadwayDisplay *broadway_display = GDK_BROADWAY_DISPLAY (display);
g_return_if_fail (GDK_IS_BROADWAY_DISPLAY (display));
_gdk_broadway_server_sync (broadway_display->server);
}
static void
gdk_broadway_display_flush (GdkDisplay *display)
{
GdkBroadwayDisplay *broadway_display = GDK_BROADWAY_DISPLAY (display);
g_return_if_fail (GDK_IS_BROADWAY_DISPLAY (display));
_gdk_broadway_server_flush (broadway_display->server);
}
static gboolean
gdk_broadway_display_has_pending (GdkDisplay *display)
{
return FALSE;
}
static GdkWindow *
gdk_broadway_display_get_default_group (GdkDisplay *display)
{
g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
return NULL;
}
static void
gdk_broadway_display_dispose (GObject *object)
{
GdkBroadwayDisplay *broadway_display = GDK_BROADWAY_DISPLAY (object);
if (broadway_display->event_source)
{
g_source_destroy (broadway_display->event_source);
g_source_unref (broadway_display->event_source);
broadway_display->event_source = NULL;
}
G_OBJECT_CLASS (gdk_broadway_display_parent_class)->dispose (object);
}
static void
gdk_broadway_display_finalize (GObject *object)
{
GdkBroadwayDisplay *broadway_display = GDK_BROADWAY_DISPLAY (object);
/* Keymap */
if (broadway_display->keymap)
g_object_unref (broadway_display->keymap);
_gdk_broadway_cursor_display_finalize (GDK_DISPLAY(broadway_display));
g_object_unref (broadway_display->monitor);
G_OBJECT_CLASS (gdk_broadway_display_parent_class)->finalize (object);
}
static void
gdk_broadway_display_notify_startup_complete (GdkDisplay *display,
const gchar *startup_id)
{
}
static gboolean
gdk_broadway_display_supports_selection_notification (GdkDisplay *display)
{
return FALSE;
}
static gboolean
gdk_broadway_display_request_selection_notification (GdkDisplay *display,
GdkAtom selection)
{
return FALSE;
}
static gboolean
gdk_broadway_display_supports_clipboard_persistence (GdkDisplay *display)
{
return FALSE;
}
static void
gdk_broadway_display_store_clipboard (GdkDisplay *display,
GdkWindow *clipboard_window,
guint32 time_,
const GdkAtom *targets,
gint n_targets)
{
}
static gboolean
gdk_broadway_display_supports_shapes (GdkDisplay *display)
{
return FALSE;
}
static gboolean
gdk_broadway_display_supports_input_shapes (GdkDisplay *display)
{
return FALSE;
}
static gulong
gdk_broadway_display_get_next_serial (GdkDisplay *display)
{
GdkBroadwayDisplay *broadway_display;
broadway_display = GDK_BROADWAY_DISPLAY (display);
return _gdk_broadway_server_get_next_serial (broadway_display->server);
}
void
gdk_broadway_display_show_keyboard (GdkBroadwayDisplay *display)
{
g_return_if_fail (GDK_IS_BROADWAY_DISPLAY (display));
_gdk_broadway_server_set_show_keyboard (display->server, TRUE);
}
void
gdk_broadway_display_hide_keyboard (GdkBroadwayDisplay *display)
{
g_return_if_fail (GDK_IS_BROADWAY_DISPLAY (display));
_gdk_broadway_server_set_show_keyboard (display->server, FALSE);
}
static int
gdk_broadway_display_get_n_monitors (GdkDisplay *display)
{
return 1;
}
static GdkMonitor *
gdk_broadway_display_get_monitor (GdkDisplay *display,
int monitor_num)
{
GdkBroadwayDisplay *broadway_display = GDK_BROADWAY_DISPLAY (display);
if (monitor_num == 0)
return broadway_display->monitor;
return NULL;
}
static GdkMonitor *
gdk_broadway_display_get_primary_monitor (GdkDisplay *display)
{
GdkBroadwayDisplay *broadway_display = GDK_BROADWAY_DISPLAY (display);
return broadway_display->monitor;
}
static gboolean
gdk_broadway_display_get_setting (GdkDisplay *display,
const char *name,
GValue *value)
{
return FALSE;
}
static guint32
gdk_broadway_display_get_last_seen_time (GdkDisplay *display)
{
return _gdk_broadway_server_get_last_seen_time (GDK_BROADWAY_DISPLAY (display)->server);
}
typedef struct {
int id;
GdkDisplay *display;
GdkTexture *in_cache;
GList *textures;
} BroadwayTextureData;
static void
broadway_texture_data_notify (BroadwayTextureData *data,
GdkTexture *disposed_texture)
{
GdkBroadwayDisplay *broadway_display = GDK_BROADWAY_DISPLAY (data->display);
if (data->in_cache == disposed_texture)
{
g_hash_table_remove (broadway_display->texture_cache, disposed_texture);
data->in_cache = NULL;
}
g_object_set_data (G_OBJECT (disposed_texture), "broadway-data", NULL);
data->textures = g_list_remove (data->textures, disposed_texture);
if (data->textures == NULL)
{
gdk_broadway_server_release_texture (broadway_display->server, data->id);
g_object_unref (data->display);
g_free (data);
}
else if (data->in_cache == NULL)
{
GdkTexture *first = data->textures->data;
data->in_cache = first;
g_hash_table_replace (broadway_display->texture_cache,
data->in_cache, data->in_cache);
}
}
guint32
gdk_broadway_display_ensure_texture (GdkDisplay *display,
GdkTexture *texture)
{
GdkBroadwayDisplay *broadway_display = GDK_BROADWAY_DISPLAY (display);
BroadwayTextureData *data;
guint32 id;
GdkTexture *cached;
data = g_object_get_data (G_OBJECT (texture), "broadway-data");
if (data != NULL)
return data->id;
cached = g_hash_table_lookup (broadway_display->texture_cache, texture);
if (cached)
data = g_object_get_data (G_OBJECT (cached), "broadway-data");
if (data == NULL)
{
id = gdk_broadway_server_upload_texture (broadway_display->server, texture);
data = g_new0 (BroadwayTextureData, 1);
data->id = id;
data->display = g_object_ref (display);
data->in_cache = texture;
g_hash_table_replace (broadway_display->texture_cache,
data->in_cache, data->in_cache);
}
data->textures = g_list_prepend (data->textures, texture);
g_object_weak_ref (G_OBJECT (texture), (GWeakNotify)broadway_texture_data_notify, data);
g_object_set_data (G_OBJECT (texture), "broadway-data", data);
return data->id;
}
static void
gdk_broadway_display_class_init (GdkBroadwayDisplayClass * class)
{
GObjectClass *object_class = G_OBJECT_CLASS (class);
GdkDisplayClass *display_class = GDK_DISPLAY_CLASS (class);
object_class->dispose = gdk_broadway_display_dispose;
object_class->finalize = gdk_broadway_display_finalize;
display_class->window_type = GDK_TYPE_BROADWAY_WINDOW;
display_class->get_name = gdk_broadway_display_get_name;
display_class->beep = gdk_broadway_display_beep;
display_class->sync = gdk_broadway_display_sync;
display_class->flush = gdk_broadway_display_flush;
display_class->has_pending = gdk_broadway_display_has_pending;
display_class->queue_events = _gdk_broadway_display_queue_events;
display_class->get_default_group = gdk_broadway_display_get_default_group;
display_class->supports_selection_notification = gdk_broadway_display_supports_selection_notification;
display_class->request_selection_notification = gdk_broadway_display_request_selection_notification;
display_class->supports_clipboard_persistence = gdk_broadway_display_supports_clipboard_persistence;
display_class->store_clipboard = gdk_broadway_display_store_clipboard;
display_class->supports_shapes = gdk_broadway_display_supports_shapes;
display_class->supports_input_shapes = gdk_broadway_display_supports_input_shapes;
display_class->get_default_cursor_size = _gdk_broadway_display_get_default_cursor_size;
display_class->get_maximal_cursor_size = _gdk_broadway_display_get_maximal_cursor_size;
display_class->supports_cursor_alpha = _gdk_broadway_display_supports_cursor_alpha;
display_class->supports_cursor_color = _gdk_broadway_display_supports_cursor_color;
display_class->get_next_serial = gdk_broadway_display_get_next_serial;
display_class->notify_startup_complete = gdk_broadway_display_notify_startup_complete;
display_class->create_window_impl = _gdk_broadway_display_create_window_impl;
display_class->get_keymap = _gdk_broadway_display_get_keymap;
display_class->send_selection_notify = _gdk_broadway_display_send_selection_notify;
display_class->get_selection_property = _gdk_broadway_display_get_selection_property;
display_class->convert_selection = _gdk_broadway_display_convert_selection;
display_class->text_property_to_utf8_list = _gdk_broadway_display_text_property_to_utf8_list;
display_class->utf8_to_string_target = _gdk_broadway_display_utf8_to_string_target;
display_class->get_n_monitors = gdk_broadway_display_get_n_monitors;
display_class->get_monitor = gdk_broadway_display_get_monitor;
display_class->get_primary_monitor = gdk_broadway_display_get_primary_monitor;
display_class->get_setting = gdk_broadway_display_get_setting;
display_class->get_last_seen_time = gdk_broadway_display_get_last_seen_time;
}