gtk2/gdk/broadway/gdkeventsource.c
Maxim Zakharov 6af85a62bb Adds modal hint for broadway window;
returning focus to transient for window on destroyng window with focus;
raising modal window and moving focus into it

Solves problem with focus loss in complex multi window UI.
2021-09-23 16:31:36 +10:00

474 lines
15 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 "gdkdevicemanager-broadway.h"
#include "gdkinternals.h"
#include <stdlib.h>
static gboolean gdk_event_source_prepare (GSource *source,
gint *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,
gint *timeout)
{
GdkDisplay *display = ((GdkEventSource*) source)->display;
gboolean retval;
gdk_threads_enter ();
*timeout = -1;
retval = (_gdk_event_queue_find_first (display) != NULL);
gdk_threads_leave ();
return retval;
}
static gboolean
gdk_event_source_check (GSource *source)
{
GdkEventSource *event_source = (GdkEventSource*) source;
gboolean retval;
gdk_threads_enter ();
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;
gdk_threads_leave ();
return retval;
}
static void
handle_focus_change (GdkEventCrossing *event)
{
gboolean focus_in = (event->type != GDK_ENTER_NOTIFY);
GdkEvent *focus_event;
if (event->window->parent) {
focus_event = gdk_event_new (GDK_FOCUS_CHANGE);
focus_event->focus_change.window = g_object_ref (event->window->parent);
focus_event->focus_change.send_event = FALSE;
focus_event->focus_change.in = focus_in;
gdk_event_set_device (focus_event, gdk_event_get_device ((GdkEvent *) event));
gdk_event_put (focus_event);
gdk_event_free (focus_event);
}
}
void
_gdk_broadway_events_got_input (BroadwayInputMsg *message)
{
GdkDisplay *display;
GdkBroadwayDisplay *display_broadway;
GdkBroadwayDeviceManager *device_manager;
GdkScreen *screen;
GdkWindow *window;
GdkEvent *event = NULL;
GList *node;
GSList *list, *d;
display = NULL;
list = gdk_display_manager_list_displays (gdk_display_manager_get ());
for (d = list; d; d = d->next)
{
if (GDK_IS_BROADWAY_DISPLAY (d->data))
{
display = d->data;
break;
}
}
g_slist_free (list);
g_assert (display != NULL);
display_broadway = GDK_BROADWAY_DISPLAY (display);
G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
device_manager = GDK_BROADWAY_DEVICE_MANAGER (gdk_display_get_device_manager (display));
G_GNUC_END_IGNORE_DEPRECATIONS;
switch (message->base.type) {
case BROADWAY_EVENT_ENTER:
window = g_hash_table_lookup (display_broadway->id_ht, GINT_TO_POINTER (message->pointer.event_window_id));
if (window)
{
event = gdk_event_new (GDK_ENTER_NOTIFY);
event->crossing.window = g_object_ref (window);
event->crossing.time = message->base.time;
event->crossing.x = message->pointer.win_x;
event->crossing.y = message->pointer.win_y;
event->crossing.x_root = message->pointer.root_x;
event->crossing.y_root = message->pointer.root_y;
event->crossing.state = message->pointer.state;
event->crossing.mode = message->crossing.mode;
event->crossing.detail = GDK_NOTIFY_ANCESTOR;
gdk_event_set_device (event, device_manager->core_pointer);
gdk_event_set_seat (event, gdk_device_get_seat (device_manager->core_pointer));
node = _gdk_event_queue_append (display, event);
_gdk_windowing_got_event (display, node, event, message->base.serial);
}
break;
case BROADWAY_EVENT_LEAVE:
window = g_hash_table_lookup (display_broadway->id_ht, GINT_TO_POINTER (message->pointer.event_window_id));
if (window)
{
event = gdk_event_new (GDK_LEAVE_NOTIFY);
event->crossing.window = g_object_ref (window);
event->crossing.time = message->base.time;
event->crossing.x = message->pointer.win_x;
event->crossing.y = message->pointer.win_y;
event->crossing.x_root = message->pointer.root_x;
event->crossing.y_root = message->pointer.root_y;
event->crossing.state = message->pointer.state;
event->crossing.mode = message->crossing.mode;
event->crossing.detail = GDK_NOTIFY_ANCESTOR;
gdk_event_set_device (event, device_manager->core_pointer);
gdk_event_set_seat (event, gdk_device_get_seat (device_manager->core_pointer));
handle_focus_change (&event->crossing);
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;
window = g_hash_table_lookup (display_broadway->id_ht, GINT_TO_POINTER (message->pointer.event_window_id));
if (window)
{
event = gdk_event_new (GDK_MOTION_NOTIFY);
event->motion.window = g_object_ref (window);
event->motion.time = message->base.time;
event->motion.x = message->pointer.win_x;
event->motion.y = message->pointer.win_y;
event->motion.x_root = message->pointer.root_x;
event->motion.y_root = message->pointer.root_y;
event->motion.state = message->pointer.state;
gdk_event_set_device (event, device_manager->core_pointer);
gdk_event_set_seat (event, gdk_device_get_seat (device_manager->core_pointer));
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 != 'b' &&
_gdk_broadway_moveresize_handle_event (display, message))
break;
window = g_hash_table_lookup (display_broadway->id_ht, GINT_TO_POINTER (message->pointer.event_window_id));
if (window)
{
event = gdk_event_new (message->base.type == 'b' ? GDK_BUTTON_PRESS : GDK_BUTTON_RELEASE);
event->button.window = g_object_ref (window);
event->button.time = message->base.time;
event->button.x = message->pointer.win_x;
event->button.y = message->pointer.win_y;
event->button.x_root = message->pointer.root_x;
event->button.y_root = message->pointer.root_y;
event->button.button = message->button.button;
event->button.state = message->pointer.state;
gdk_event_set_device (event, device_manager->core_pointer);
gdk_event_set_seat (event, gdk_device_get_seat (device_manager->core_pointer));
node = _gdk_event_queue_append (display, event);
_gdk_windowing_got_event (display, node, event, message->base.serial);
}
break;
case BROADWAY_EVENT_SCROLL:
window = g_hash_table_lookup (display_broadway->id_ht, GINT_TO_POINTER (message->pointer.event_window_id));
if (window)
{
event = gdk_event_new (GDK_SCROLL);
event->scroll.window = g_object_ref (window);
event->scroll.time = message->base.time;
event->scroll.x = message->pointer.win_x;
event->scroll.y = message->pointer.win_y;
event->scroll.x_root = message->pointer.root_x;
event->scroll.y_root = message->pointer.root_y;
event->scroll.state = message->pointer.state;
event->scroll.direction = message->scroll.dir == 0 ? GDK_SCROLL_UP : GDK_SCROLL_DOWN;
gdk_event_set_device (event, device_manager->core_pointer);
gdk_event_set_seat (event, gdk_device_get_seat (device_manager->core_pointer));
node = _gdk_event_queue_append (display, event);
_gdk_windowing_got_event (display, node, event, message->base.serial);
}
break;
case BROADWAY_EVENT_TOUCH:
window = g_hash_table_lookup (display_broadway->id_ht, GINT_TO_POINTER (message->touch.event_window_id));
if (window)
{
GdkEventType event_type = 0;
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;
event = gdk_event_new (event_type);
event->touch.window = g_object_ref (window);
event->touch.sequence = GUINT_TO_POINTER(message->touch.sequence_id);
event->touch.emulating_pointer = message->touch.is_emulated;
event->touch.time = message->base.time;
event->touch.x = message->touch.win_x;
event->touch.y = message->touch.win_y;
event->touch.x_root = message->touch.root_x;
event->touch.y_root = message->touch.root_y;
event->touch.state = message->touch.state;
gdk_event_set_device (event, device_manager->core_pointer);
gdk_event_set_source_device (event, device_manager->touchscreen);
gdk_event_set_seat (event, gdk_device_get_seat (device_manager->core_pointer));
if (message->touch.is_emulated)
gdk_event_set_pointer_emulated (event, TRUE);
if (event_type == GDK_TOUCH_BEGIN || event_type == GDK_TOUCH_UPDATE)
event->touch.state |= GDK_BUTTON1_MASK;
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:
window = g_hash_table_lookup (display_broadway->id_ht,
GINT_TO_POINTER (message->key.window_id));
if (window)
{
event = gdk_event_new (message->base.type == 'k' ? GDK_KEY_PRESS : GDK_KEY_RELEASE);
event->key.window = g_object_ref (window);
event->key.time = message->base.time;
event->key.keyval = message->key.key;
event->key.state = message->key.state;
event->key.hardware_keycode = message->key.key;
gdk_event_set_scancode (event, message->key.key);
event->key.length = 0;
gdk_event_set_device (event, device_manager->core_keyboard);
gdk_event_set_seat (event, gdk_device_get_seat (device_manager->core_keyboard));
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, device_manager->core_pointer, device_manager->core_pointer, message->base.serial);
break;
case BROADWAY_EVENT_CONFIGURE_NOTIFY:
window = g_hash_table_lookup (display_broadway->id_ht, GINT_TO_POINTER (message->configure_notify.id));
if (window)
{
window->x = message->configure_notify.x;
window->y = message->configure_notify.y;
event = gdk_event_new (GDK_CONFIGURE);
event->configure.window = g_object_ref (window);
event->configure.x = message->configure_notify.x;
event->configure.y = message->configure_notify.y;
event->configure.width = message->configure_notify.width;
event->configure.height = message->configure_notify.height;
node = _gdk_event_queue_append (display, event);
_gdk_windowing_got_event (display, node, event, message->base.serial);
if (window->resize_count >= 1)
{
window->resize_count -= 1;
if (window->resize_count == 0)
_gdk_broadway_moveresize_configure_done (display, window);
}
}
break;
case BROADWAY_EVENT_DELETE_NOTIFY:
window = g_hash_table_lookup (display_broadway->id_ht, GINT_TO_POINTER (message->delete_notify.id));
if (window)
{
event = gdk_event_new (GDK_DELETE);
event->any.window = g_object_ref (window);
node = _gdk_event_queue_append (display, event);
_gdk_windowing_got_event (display, node, event, message->base.serial);
}
break;
case BROADWAY_EVENT_SCREEN_SIZE_CHANGED:
screen = gdk_display_get_default_screen (display);
window = gdk_screen_get_root_window (screen);
window->width = message->screen_resize_notify.width;
window->height = message->screen_resize_notify.height;
_gdk_window_update_size (window);
_gdk_broadway_screen_size_changed (screen, &message->screen_resize_notify);
break;
case BROADWAY_EVENT_FOCUS:
window = g_hash_table_lookup (display_broadway->id_ht, GINT_TO_POINTER (message->focus.old_id));
if (window)
{
event = gdk_event_new (GDK_FOCUS_CHANGE);
event->focus_change.window = g_object_ref (window);
event->focus_change.in = FALSE;
gdk_event_set_device (event, device_manager->core_pointer);
gdk_event_set_seat (event, gdk_device_get_seat (device_manager->core_pointer));
node = _gdk_event_queue_append (display, event);
_gdk_windowing_got_event (display, node, event, message->base.serial);
}
window = g_hash_table_lookup (display_broadway->id_ht, GINT_TO_POINTER (message->focus.new_id));
if (window)
{
event = gdk_event_new (GDK_FOCUS_CHANGE);
event->focus_change.window = g_object_ref (window);
event->focus_change.in = TRUE;
gdk_event_set_device (event, device_manager->core_pointer);
gdk_event_set_seat (event, gdk_device_get_seat (device_manager->core_pointer));
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;
gdk_threads_enter ();
event = gdk_display_get_event (display);
if (event)
{
_gdk_event_emit (event);
gdk_event_free (event);
}
gdk_threads_leave ();
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;
}