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Learning_GTK4_tree/gdk/broadway/gdkdisplay-broadway.c

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/* 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 "gdkcairocontext-broadway.h"
#include "gdkdisplay.h"
#include "gdkeventsource.h"
#include "gdkmonitor-broadway.h"
#include "gdkseatdefaultprivate.h"
#include "gdkdevice-broadway.h"
#include "gdkdeviceprivate.h"
#include <gdk/gdktextureprivate.h>
#include "gdkprivate.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 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)
{
gdk_display_set_input_shapes (GDK_DISPLAY (display), FALSE);
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->scale_factor = 1;
gdk_monitor_set_geometry (display->monitor, &(GdkRectangle) { 0, 0, 1024, 768 });
gdk_monitor_set_physical_size (display->monitor, 1024 * 25.4 / 96, 768 * 25.4 / 96);
gdk_monitor_set_scale_factor (display->monitor, 1);
}
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 current_size;
GList *toplevels, *l;
monitor = broadway_display->monitor;
gdk_monitor_get_geometry (monitor, &current_size);
if (msg->width == current_size.width &&
msg->height == current_size.height &&
(msg->scale == broadway_display->scale_factor ||
broadway_display->fixed_scale))
return;
if (!broadway_display->fixed_scale)
broadway_display->scale_factor = msg->scale;
gdk_monitor_set_geometry (monitor, &(GdkRectangle) { 0, 0, msg->width, msg->height });
gdk_monitor_set_scale_factor (monitor, msg->scale);
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)
{
GdkBroadwaySurface *toplevel = l->data;
if (toplevel->maximized)
gdk_broadway_surface_move_resize (GDK_SURFACE (toplevel),
0, 0,
msg->width, msg->height);
}
}
static GdkDevice *
create_core_pointer (GdkDisplay *display)
{
return g_object_new (GDK_TYPE_BROADWAY_DEVICE,
"name", "Core Pointer",
"source", GDK_SOURCE_MOUSE,
"has-cursor", TRUE,
"display", display,
NULL);
}
static GdkDevice *
create_core_keyboard (GdkDisplay *display)
{
return g_object_new (GDK_TYPE_BROADWAY_DEVICE,
"name", "Core Keyboard",
"source", GDK_SOURCE_KEYBOARD,
"has-cursor", FALSE,
"display", display,
NULL);
}
static GdkDevice *
create_pointer (GdkDisplay *display)
{
return g_object_new (GDK_TYPE_BROADWAY_DEVICE,
"name", "Pointer",
"source", GDK_SOURCE_MOUSE,
"has-cursor", TRUE,
"display", display,
NULL);
}
static GdkDevice *
create_keyboard (GdkDisplay *display)
{
return g_object_new (GDK_TYPE_BROADWAY_DEVICE,
"name", "Keyboard",
"source", GDK_SOURCE_KEYBOARD,
"has-cursor", FALSE,
"display", display,
NULL);
}
static GdkDevice *
create_touchscreen (GdkDisplay *display)
{
return g_object_new (GDK_TYPE_BROADWAY_DEVICE,
"name", "Touchscreen",
"source", GDK_SOURCE_TOUCHSCREEN,
"has-cursor", FALSE,
"display", display,
NULL);
}
GdkDisplay *
_gdk_broadway_display_open (const char *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->pointer = create_pointer (display);
broadway_display->keyboard = create_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->pointer, broadway_display->core_pointer);
_gdk_device_set_associated_device (broadway_display->keyboard, broadway_display->core_keyboard);
_gdk_device_set_associated_device (broadway_display->touchscreen, broadway_display->core_pointer);
_gdk_device_add_physical_device (broadway_display->core_pointer, broadway_display->touchscreen);
seat = gdk_seat_default_new_for_logical_pair (broadway_display->core_pointer,
broadway_display->core_keyboard);
gdk_display_add_seat (display, seat);
gdk_seat_default_add_physical_device (GDK_SEAT_DEFAULT (seat), broadway_display->pointer);
gdk_seat_default_add_physical_device (GDK_SEAT_DEFAULT (seat), broadway_display->keyboard);
gdk_seat_default_add_physical_device (GDK_SEAT_DEFAULT (seat), broadway_display->touchscreen);
g_object_unref (seat);
gdk_event_init (display);
if (display_name == NULL)
display_name = g_getenv ("BROADWAY_DISPLAY");
broadway_display->server = _gdk_broadway_server_new (display, display_name, &error);
if (broadway_display->server == NULL)
{
GDK_DEBUG (MISC, "Unable to init Broadway server: %s", error->message);
g_error_free (error);
return NULL;
}
g_signal_emit_by_name (display, "opened");
return display;
}
static const char *
gdk_broadway_display_get_name (GdkDisplay *display)
{
g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
return (char *) "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 void
gdk_broadway_display_dispose (GObject *object)
{
GdkBroadwayDisplay *self = GDK_BROADWAY_DISPLAY (object);
if (self->event_source)
{
g_source_destroy (self->event_source);
g_source_unref (self->event_source);
self->event_source = NULL;
}
if (self->monitors)
{
g_list_store_remove_all (self->monitors);
g_clear_object (&self->monitors);
}
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 char *startup_id)
{
}
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);
}
/**
* gdk_broadway_display_set_surface_scale:
* @display: (type GdkBroadwayDisplay): the display
* @scale: The new scale value, as an integer >= 1
*
* Forces a specific window scale for all windows on this display,
* instead of using the default or user configured scale. This
* is can be used to disable scaling support by setting @scale to
* 1, or to programmatically set the window scale.
*
* Once the scale is set by this call it will not change in
* response to later user configuration changes.
*
* Since: 4.4
*/
void
gdk_broadway_display_set_surface_scale (GdkDisplay *display,
int scale)
{
GdkBroadwayDisplay *self;
g_return_if_fail (GDK_IS_BROADWAY_DISPLAY (display));
g_return_if_fail (scale > 0);
self = GDK_BROADWAY_DISPLAY (display);
self->scale_factor = scale;
self->fixed_scale = TRUE;
gdk_monitor_set_scale_factor (self->monitor, scale);
}
/**
* gdk_broadway_display_get_surface_scale:
* @display: (type GdkBroadwayDisplay): the display
*
* Gets the surface scale that was previously set by the client or
* gdk_broadway_display_set_surface_scale().
*
* Returns: the scale for surfaces
*
* Since: 4.4
*/
int
gdk_broadway_display_get_surface_scale (GdkDisplay *display)
{
GdkBroadwayDisplay *self;
g_return_val_if_fail (GDK_IS_BROADWAY_DISPLAY (display), 1);
self = GDK_BROADWAY_DISPLAY (display);
return self->scale_factor;
}
static GListModel *
gdk_broadway_display_get_monitors (GdkDisplay *display)
{
GdkBroadwayDisplay *self = GDK_BROADWAY_DISPLAY (display);
if (self->monitors == NULL)
{
self->monitors = g_list_store_new (GDK_TYPE_MONITOR);
g_list_store_append (self->monitors, self->monitor);
}
return G_LIST_MODEL (self->monitors);
}
static gboolean
gdk_broadway_display_get_setting (GdkDisplay *display,
const char *name,
GValue *value)
{
return FALSE;
}
typedef struct {
int id;
GdkDisplay *display;
GList *textures;
} BroadwayTextureData;
static void
broadway_texture_data_free (BroadwayTextureData *data)
{
GdkBroadwayDisplay *broadway_display = GDK_BROADWAY_DISPLAY (data->display);
gdk_broadway_server_release_texture (broadway_display->server, data->id);
g_object_unref (data->display);
g_free (data);
}
guint32
gdk_broadway_display_ensure_texture (GdkDisplay *display,
GdkTexture *texture)
{
GdkBroadwayDisplay *broadway_display = GDK_BROADWAY_DISPLAY (display);
BroadwayTextureData *data;
data = g_object_get_data (G_OBJECT (texture), "broadway-data");
if (data == NULL)
{
guint32 id = gdk_broadway_server_upload_texture (broadway_display->server, texture);
data = g_new0 (BroadwayTextureData, 1);
data->id = id;
data->display = g_object_ref (display);
g_object_set_data_full (G_OBJECT (texture), "broadway-data", data, (GDestroyNotify)broadway_texture_data_free);
}
return data->id;
}
static gboolean
flush_idle (gpointer data)
{
GdkDisplay *display = data;
GdkBroadwayDisplay *broadway_display = GDK_BROADWAY_DISPLAY (display);
broadway_display->idle_flush_id = 0;
gdk_display_flush (display);
return FALSE;
}
void
gdk_broadway_display_flush_in_idle (GdkDisplay *display)
{
GdkBroadwayDisplay *broadway_display = GDK_BROADWAY_DISPLAY (display);
if (broadway_display->idle_flush_id == 0)
{
broadway_display->idle_flush_id = g_idle_add (flush_idle, g_object_ref (display));
gdk_source_set_static_name_by_id (broadway_display->idle_flush_id, "[gtk] flush_idle");
}
}
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->toplevel_type = GDK_TYPE_BROADWAY_TOPLEVEL;
display_class->popup_type = GDK_TYPE_BROADWAY_POPUP;
display_class->cairo_context_type = GDK_TYPE_BROADWAY_CAIRO_CONTEXT;
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_next_serial = gdk_broadway_display_get_next_serial;
display_class->notify_startup_complete = gdk_broadway_display_notify_startup_complete;
display_class->get_keymap = _gdk_broadway_display_get_keymap;
display_class->get_monitors = gdk_broadway_display_get_monitors;
display_class->get_setting = gdk_broadway_display_get_setting;
}
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