mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-09-19 21:40:22 +00:00
7752467847
GTK4 has had smooth scroll events since the beginning, so we prefer not to emit emulated discrete scroll events at all
390 lines
14 KiB
C
390 lines
14 KiB
C
/* GDK - The GIMP Drawing Kit
|
|
* Copyright (C) 2009 Carlos Garnacho <carlosg@gnome.org>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include "gdkeventsource.h"
|
|
|
|
#include "gdkeventsprivate.h"
|
|
#include "gdkframeclockprivate.h"
|
|
#include "gdksurfaceprivate.h"
|
|
|
|
#include <stdlib.h>
|
|
|
|
static gboolean gdk_event_source_prepare (GSource *source,
|
|
int *timeout);
|
|
static gboolean gdk_event_source_check (GSource *source);
|
|
static gboolean gdk_event_source_dispatch (GSource *source,
|
|
GSourceFunc callback,
|
|
gpointer user_data);
|
|
static void gdk_event_source_finalize (GSource *source);
|
|
|
|
#define HAS_FOCUS(toplevel) \
|
|
((toplevel)->has_focus || (toplevel)->has_pointer_focus)
|
|
|
|
struct _GdkEventSource
|
|
{
|
|
GSource source;
|
|
|
|
GdkDisplay *display;
|
|
GPollFD event_poll_fd;
|
|
};
|
|
|
|
static GSourceFuncs event_funcs = {
|
|
gdk_event_source_prepare,
|
|
gdk_event_source_check,
|
|
gdk_event_source_dispatch,
|
|
gdk_event_source_finalize
|
|
};
|
|
|
|
static GList *event_sources = NULL;
|
|
|
|
static gboolean
|
|
gdk_event_source_prepare (GSource *source,
|
|
int *timeout)
|
|
{
|
|
GdkDisplay *display = ((GdkEventSource*) source)->display;
|
|
gboolean retval;
|
|
|
|
*timeout = -1;
|
|
|
|
retval = (_gdk_event_queue_find_first (display) != NULL);
|
|
|
|
return retval;
|
|
}
|
|
|
|
static gboolean
|
|
gdk_event_source_check (GSource *source)
|
|
{
|
|
GdkEventSource *event_source = (GdkEventSource*) source;
|
|
gboolean retval;
|
|
|
|
if (event_source->display->event_pause_count > 0 ||
|
|
event_source->event_poll_fd.revents & G_IO_IN)
|
|
retval = (_gdk_event_queue_find_first (event_source->display) != NULL);
|
|
else
|
|
retval = FALSE;
|
|
|
|
return retval;
|
|
}
|
|
|
|
void
|
|
_gdk_broadway_events_got_input (GdkDisplay *display,
|
|
BroadwayInputMsg *message)
|
|
{
|
|
GdkBroadwayDisplay *display_broadway;
|
|
GdkSurface *surface;
|
|
GdkEvent *event = NULL;
|
|
GList *node;
|
|
|
|
display_broadway = GDK_BROADWAY_DISPLAY (display);
|
|
|
|
switch (message->base.type) {
|
|
case BROADWAY_EVENT_ENTER:
|
|
surface = g_hash_table_lookup (display_broadway->id_ht, GINT_TO_POINTER (message->pointer.event_surface_id));
|
|
if (surface)
|
|
{
|
|
event = gdk_crossing_event_new (GDK_ENTER_NOTIFY,
|
|
surface,
|
|
display_broadway->core_pointer,
|
|
message->base.time,
|
|
message->pointer.state,
|
|
message->pointer.win_x,
|
|
message->pointer.win_y,
|
|
message->crossing.mode,
|
|
GDK_NOTIFY_ANCESTOR);
|
|
|
|
node = _gdk_event_queue_append (display, event);
|
|
_gdk_windowing_got_event (display, node, event, message->base.serial);
|
|
}
|
|
break;
|
|
case BROADWAY_EVENT_LEAVE:
|
|
surface = g_hash_table_lookup (display_broadway->id_ht, GINT_TO_POINTER (message->pointer.event_surface_id));
|
|
if (surface)
|
|
{
|
|
event = gdk_crossing_event_new (GDK_LEAVE_NOTIFY,
|
|
surface,
|
|
display_broadway->core_pointer,
|
|
message->base.time,
|
|
message->pointer.state,
|
|
message->pointer.win_x,
|
|
message->pointer.win_y,
|
|
message->crossing.mode,
|
|
GDK_NOTIFY_ANCESTOR);
|
|
|
|
node = _gdk_event_queue_append (display, event);
|
|
_gdk_windowing_got_event (display, node, event, message->base.serial);
|
|
}
|
|
break;
|
|
case BROADWAY_EVENT_POINTER_MOVE:
|
|
if (_gdk_broadway_moveresize_handle_event (display, message))
|
|
break;
|
|
|
|
surface = g_hash_table_lookup (display_broadway->id_ht, GINT_TO_POINTER (message->pointer.event_surface_id));
|
|
if (surface)
|
|
{
|
|
event = gdk_motion_event_new (surface,
|
|
display_broadway->core_pointer,
|
|
NULL,
|
|
message->base.time,
|
|
message->pointer.state,
|
|
message->pointer.win_x,
|
|
message->pointer.win_y,
|
|
NULL);
|
|
|
|
node = _gdk_event_queue_append (display, event);
|
|
_gdk_windowing_got_event (display, node, event, message->base.serial);
|
|
}
|
|
|
|
break;
|
|
case BROADWAY_EVENT_BUTTON_PRESS:
|
|
case BROADWAY_EVENT_BUTTON_RELEASE:
|
|
if (message->base.type != BROADWAY_EVENT_BUTTON_PRESS &&
|
|
_gdk_broadway_moveresize_handle_event (display, message))
|
|
break;
|
|
|
|
surface = g_hash_table_lookup (display_broadway->id_ht, GINT_TO_POINTER (message->pointer.event_surface_id));
|
|
if (surface)
|
|
{
|
|
event = gdk_button_event_new (message->base.type == BROADWAY_EVENT_BUTTON_PRESS
|
|
? GDK_BUTTON_PRESS
|
|
: GDK_BUTTON_RELEASE,
|
|
surface,
|
|
display_broadway->core_pointer,
|
|
NULL,
|
|
message->base.time,
|
|
message->pointer.state,
|
|
message->button.button,
|
|
message->pointer.win_x,
|
|
message->pointer.win_y,
|
|
NULL);
|
|
|
|
node = _gdk_event_queue_append (display, event);
|
|
_gdk_windowing_got_event (display, node, event, message->base.serial);
|
|
}
|
|
|
|
break;
|
|
case BROADWAY_EVENT_SCROLL:
|
|
surface = g_hash_table_lookup (display_broadway->id_ht, GINT_TO_POINTER (message->pointer.event_surface_id));
|
|
if (surface)
|
|
{
|
|
event = gdk_scroll_event_new_discrete (surface,
|
|
display_broadway->core_pointer,
|
|
NULL,
|
|
message->base.time,
|
|
message->pointer.state,
|
|
message->scroll.dir == 0
|
|
? GDK_SCROLL_UP
|
|
: GDK_SCROLL_DOWN);
|
|
|
|
node = _gdk_event_queue_append (display, event);
|
|
_gdk_windowing_got_event (display, node, event, message->base.serial);
|
|
}
|
|
|
|
break;
|
|
case BROADWAY_EVENT_TOUCH:
|
|
surface = g_hash_table_lookup (display_broadway->id_ht, GINT_TO_POINTER (message->touch.event_surface_id));
|
|
if (surface)
|
|
{
|
|
GdkEventType event_type = 0;
|
|
GdkModifierType state;
|
|
|
|
switch (message->touch.touch_type) {
|
|
case 0:
|
|
event_type = GDK_TOUCH_BEGIN;
|
|
break;
|
|
case 1:
|
|
event_type = GDK_TOUCH_UPDATE;
|
|
break;
|
|
case 2:
|
|
event_type = GDK_TOUCH_END;
|
|
break;
|
|
default:
|
|
g_printerr ("_gdk_broadway_events_got_input - Unknown touch type %d\n", message->touch.touch_type);
|
|
}
|
|
|
|
if (event_type != GDK_TOUCH_BEGIN &&
|
|
message->touch.is_emulated && _gdk_broadway_moveresize_handle_event (display, message))
|
|
break;
|
|
|
|
state = message->touch.state;
|
|
if (event_type == GDK_TOUCH_BEGIN || event_type == GDK_TOUCH_UPDATE)
|
|
state |= GDK_BUTTON1_MASK;
|
|
|
|
event = gdk_touch_event_new (event_type,
|
|
GUINT_TO_POINTER (message->touch.sequence_id),
|
|
surface,
|
|
display_broadway->core_pointer,
|
|
message->base.time,
|
|
state,
|
|
message->touch.win_x,
|
|
message->touch.win_y,
|
|
NULL,
|
|
message->touch.is_emulated);
|
|
|
|
node = _gdk_event_queue_append (display, event);
|
|
_gdk_windowing_got_event (display, node, event, message->base.serial);
|
|
}
|
|
|
|
break;
|
|
case BROADWAY_EVENT_KEY_PRESS:
|
|
case BROADWAY_EVENT_KEY_RELEASE:
|
|
surface = g_hash_table_lookup (display_broadway->id_ht,
|
|
GINT_TO_POINTER (message->key.surface_id));
|
|
if (surface)
|
|
{
|
|
GdkTranslatedKey translated;
|
|
translated.keyval = message->key.key;
|
|
translated.consumed = 0;
|
|
translated.layout = 0;
|
|
translated.level = 0;
|
|
event = gdk_key_event_new (message->base.type == BROADWAY_EVENT_KEY_PRESS
|
|
? GDK_KEY_PRESS
|
|
: GDK_KEY_RELEASE,
|
|
surface,
|
|
display_broadway->core_keyboard,
|
|
message->base.time,
|
|
message->key.key,
|
|
message->key.state,
|
|
FALSE,
|
|
&translated,
|
|
&translated);
|
|
|
|
node = _gdk_event_queue_append (display, event);
|
|
_gdk_windowing_got_event (display, node, event, message->base.serial);
|
|
}
|
|
|
|
break;
|
|
case BROADWAY_EVENT_GRAB_NOTIFY:
|
|
case BROADWAY_EVENT_UNGRAB_NOTIFY:
|
|
_gdk_display_device_grab_update (display,
|
|
display_broadway->core_pointer,
|
|
message->base.serial);
|
|
break;
|
|
|
|
case BROADWAY_EVENT_CONFIGURE_NOTIFY:
|
|
surface = g_hash_table_lookup (display_broadway->id_ht, GINT_TO_POINTER (message->configure_notify.id));
|
|
if (surface)
|
|
{
|
|
gdk_surface_request_layout (surface);
|
|
|
|
if (surface->resize_count >= 1)
|
|
{
|
|
surface->resize_count -= 1;
|
|
|
|
if (surface->resize_count == 0)
|
|
_gdk_broadway_moveresize_configure_done (display, surface);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case BROADWAY_EVENT_ROUNDTRIP_NOTIFY:
|
|
surface = g_hash_table_lookup (display_broadway->id_ht, GINT_TO_POINTER (message->roundtrip_notify.id));
|
|
if (surface)
|
|
_gdk_broadway_roundtrip_notify (surface, message->roundtrip_notify.tag, message->roundtrip_notify.local);
|
|
break;
|
|
|
|
case BROADWAY_EVENT_SCREEN_SIZE_CHANGED:
|
|
_gdk_broadway_display_size_changed (display, &message->screen_resize_notify);
|
|
break;
|
|
|
|
case BROADWAY_EVENT_FOCUS:
|
|
surface = g_hash_table_lookup (display_broadway->id_ht, GINT_TO_POINTER (message->focus.old_id));
|
|
if (surface)
|
|
{
|
|
event = gdk_focus_event_new (surface,
|
|
display_broadway->core_keyboard,
|
|
FALSE);
|
|
|
|
node = _gdk_event_queue_append (display, event);
|
|
_gdk_windowing_got_event (display, node, event, message->base.serial);
|
|
}
|
|
surface = g_hash_table_lookup (display_broadway->id_ht, GINT_TO_POINTER (message->focus.new_id));
|
|
if (surface)
|
|
{
|
|
event = gdk_focus_event_new (surface,
|
|
display_broadway->core_keyboard,
|
|
TRUE);
|
|
|
|
node = _gdk_event_queue_append (display, event);
|
|
_gdk_windowing_got_event (display, node, event, message->base.serial);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
g_printerr ("_gdk_broadway_events_got_input - Unknown input command %c\n", message->base.type);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void
|
|
_gdk_broadway_display_queue_events (GdkDisplay *display)
|
|
{
|
|
}
|
|
|
|
static gboolean
|
|
gdk_event_source_dispatch (GSource *source,
|
|
GSourceFunc callback,
|
|
gpointer user_data)
|
|
{
|
|
GdkDisplay *display = ((GdkEventSource*) source)->display;
|
|
GdkEvent *event;
|
|
|
|
event = gdk_display_get_event (display);
|
|
|
|
if (event)
|
|
{
|
|
_gdk_event_emit (event);
|
|
|
|
gdk_event_unref (event);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
gdk_event_source_finalize (GSource *source)
|
|
{
|
|
GdkEventSource *event_source = (GdkEventSource *)source;
|
|
|
|
event_sources = g_list_remove (event_sources, event_source);
|
|
}
|
|
|
|
GSource *
|
|
_gdk_broadway_event_source_new (GdkDisplay *display)
|
|
{
|
|
GSource *source;
|
|
GdkEventSource *event_source;
|
|
char *name;
|
|
|
|
source = g_source_new (&event_funcs, sizeof (GdkEventSource));
|
|
name = g_strdup_printf ("GDK Broadway Event source (%s)",
|
|
gdk_display_get_name (display));
|
|
g_source_set_name (source, name);
|
|
g_free (name);
|
|
event_source = (GdkEventSource *) source;
|
|
event_source->display = display;
|
|
|
|
g_source_set_priority (source, GDK_PRIORITY_EVENTS);
|
|
g_source_set_can_recurse (source, TRUE);
|
|
g_source_attach (source, NULL);
|
|
|
|
event_sources = g_list_prepend (event_sources, source);
|
|
|
|
return source;
|
|
}
|