416 lines
14 KiB
C
416 lines
14 KiB
C
/* GDK - The GIMP Drawing Kit
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* Copyright (C) 2009 Carlos Garnacho <carlosg@gnome.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include "gdkeventsource.h"
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#include "gdkeventsprivate.h"
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#include "gdkframeclockprivate.h"
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#include "gdksurfaceprivate.h"
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#include <stdlib.h>
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static gboolean gdk_event_source_prepare (GSource *source,
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int *timeout);
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static gboolean gdk_event_source_check (GSource *source);
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static gboolean gdk_event_source_dispatch (GSource *source,
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GSourceFunc callback,
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gpointer user_data);
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static void gdk_event_source_finalize (GSource *source);
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#define HAS_FOCUS(toplevel) \
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((toplevel)->has_focus || (toplevel)->has_pointer_focus)
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struct _GdkEventSource
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{
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GSource source;
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GdkDisplay *display;
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GPollFD event_poll_fd;
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};
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static GSourceFuncs event_funcs = {
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gdk_event_source_prepare,
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gdk_event_source_check,
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gdk_event_source_dispatch,
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gdk_event_source_finalize
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};
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static GList *event_sources = NULL;
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static gboolean
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gdk_event_source_prepare (GSource *source,
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int *timeout)
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{
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GdkDisplay *display = ((GdkEventSource*) source)->display;
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gboolean retval;
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*timeout = -1;
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retval = (_gdk_event_queue_find_first (display) != NULL);
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return retval;
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}
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static gboolean
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gdk_event_source_check (GSource *source)
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{
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GdkEventSource *event_source = (GdkEventSource*) source;
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gboolean retval;
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if (event_source->display->event_pause_count > 0 ||
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event_source->event_poll_fd.revents & G_IO_IN)
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retval = (_gdk_event_queue_find_first (event_source->display) != NULL);
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else
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retval = FALSE;
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return retval;
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}
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static void
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handle_focus_change (GdkEvent *event)
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{
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GdkEvent *focus_event;
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gboolean focus_in = (gdk_event_get_event_type (event) == GDK_ENTER_NOTIFY);
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if (gdk_crossing_event_get_detail (event) == GDK_NOTIFY_INFERIOR)
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return;
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if (!gdk_crossing_event_get_focus (event) )
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return;
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focus_event = gdk_focus_event_new (gdk_event_get_surface (event),
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gdk_event_get_device (event),
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focus_in);
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G_GNUC_BEGIN_IGNORE_DEPRECATIONS
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gdk_display_put_event (gdk_event_get_display (event), focus_event);
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G_GNUC_END_IGNORE_DEPRECATIONS
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gdk_event_unref (focus_event);
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}
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void
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_gdk_broadway_events_got_input (GdkDisplay *display,
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BroadwayInputMsg *message)
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{
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GdkBroadwayDisplay *display_broadway;
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GdkSurface *surface;
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GdkEvent *event = NULL;
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GList *node;
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display_broadway = GDK_BROADWAY_DISPLAY (display);
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switch (message->base.type) {
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case BROADWAY_EVENT_ENTER:
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surface = g_hash_table_lookup (display_broadway->id_ht, GINT_TO_POINTER (message->pointer.event_surface_id));
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if (surface)
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{
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event = gdk_crossing_event_new (GDK_ENTER_NOTIFY,
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surface,
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display_broadway->core_pointer,
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message->base.time,
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message->pointer.state,
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message->pointer.win_x,
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message->pointer.win_y,
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message->crossing.mode,
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GDK_NOTIFY_ANCESTOR);
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node = _gdk_event_queue_append (display, event);
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_gdk_windowing_got_event (display, node, event, message->base.serial);
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handle_focus_change (event);
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}
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break;
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case BROADWAY_EVENT_LEAVE:
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surface = g_hash_table_lookup (display_broadway->id_ht, GINT_TO_POINTER (message->pointer.event_surface_id));
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if (surface)
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{
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event = gdk_crossing_event_new (GDK_LEAVE_NOTIFY,
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surface,
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display_broadway->core_pointer,
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message->base.time,
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message->pointer.state,
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message->pointer.win_x,
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message->pointer.win_y,
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message->crossing.mode,
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GDK_NOTIFY_ANCESTOR);
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handle_focus_change (event);
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node = _gdk_event_queue_append (display, event);
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_gdk_windowing_got_event (display, node, event, message->base.serial);
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}
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break;
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case BROADWAY_EVENT_POINTER_MOVE:
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if (_gdk_broadway_moveresize_handle_event (display, message))
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break;
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surface = g_hash_table_lookup (display_broadway->id_ht, GINT_TO_POINTER (message->pointer.event_surface_id));
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if (surface)
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{
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event = gdk_motion_event_new (surface,
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display_broadway->core_pointer,
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NULL,
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message->base.time,
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message->pointer.state,
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message->pointer.win_x,
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message->pointer.win_y,
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NULL);
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node = _gdk_event_queue_append (display, event);
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_gdk_windowing_got_event (display, node, event, message->base.serial);
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}
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break;
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case BROADWAY_EVENT_BUTTON_PRESS:
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case BROADWAY_EVENT_BUTTON_RELEASE:
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if (message->base.type != BROADWAY_EVENT_BUTTON_PRESS &&
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_gdk_broadway_moveresize_handle_event (display, message))
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break;
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surface = g_hash_table_lookup (display_broadway->id_ht, GINT_TO_POINTER (message->pointer.event_surface_id));
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if (surface)
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{
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event = gdk_button_event_new (message->base.type == BROADWAY_EVENT_BUTTON_PRESS
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? GDK_BUTTON_PRESS
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: GDK_BUTTON_RELEASE,
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surface,
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display_broadway->core_pointer,
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NULL,
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message->base.time,
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message->pointer.state,
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message->button.button,
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message->pointer.win_x,
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message->pointer.win_y,
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NULL);
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node = _gdk_event_queue_append (display, event);
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_gdk_windowing_got_event (display, node, event, message->base.serial);
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}
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break;
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case BROADWAY_EVENT_SCROLL:
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surface = g_hash_table_lookup (display_broadway->id_ht, GINT_TO_POINTER (message->pointer.event_surface_id));
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if (surface)
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{
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event = gdk_scroll_event_new_discrete (surface,
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display_broadway->core_pointer,
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NULL,
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message->base.time,
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message->pointer.state,
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message->scroll.dir == 0
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? GDK_SCROLL_UP
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: GDK_SCROLL_DOWN);
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node = _gdk_event_queue_append (display, event);
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_gdk_windowing_got_event (display, node, event, message->base.serial);
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}
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break;
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case BROADWAY_EVENT_TOUCH:
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surface = g_hash_table_lookup (display_broadway->id_ht, GINT_TO_POINTER (message->touch.event_surface_id));
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if (surface)
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{
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GdkEventType event_type = 0;
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GdkModifierType state;
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switch (message->touch.touch_type) {
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case 0:
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event_type = GDK_TOUCH_BEGIN;
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break;
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case 1:
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event_type = GDK_TOUCH_UPDATE;
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break;
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case 2:
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event_type = GDK_TOUCH_END;
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break;
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default:
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g_printerr ("_gdk_broadway_events_got_input - Unknown touch type %d\n", message->touch.touch_type);
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}
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if (event_type != GDK_TOUCH_BEGIN &&
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message->touch.is_emulated && _gdk_broadway_moveresize_handle_event (display, message))
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break;
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state = message->touch.state;
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if (event_type == GDK_TOUCH_BEGIN || event_type == GDK_TOUCH_UPDATE)
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state |= GDK_BUTTON1_MASK;
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event = gdk_touch_event_new (event_type,
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GUINT_TO_POINTER (message->touch.sequence_id),
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surface,
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display_broadway->core_pointer,
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message->base.time,
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state,
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message->touch.win_x,
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message->touch.win_y,
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NULL,
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message->touch.is_emulated);
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node = _gdk_event_queue_append (display, event);
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_gdk_windowing_got_event (display, node, event, message->base.serial);
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}
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break;
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case BROADWAY_EVENT_KEY_PRESS:
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case BROADWAY_EVENT_KEY_RELEASE:
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surface = g_hash_table_lookup (display_broadway->id_ht,
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GINT_TO_POINTER (message->key.surface_id));
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if (surface)
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{
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GdkTranslatedKey translated;
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translated.keyval = message->key.key;
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translated.consumed = 0;
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translated.layout = 0;
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translated.level = 0;
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event = gdk_key_event_new (message->base.type == BROADWAY_EVENT_KEY_PRESS
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? GDK_KEY_PRESS
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: GDK_KEY_RELEASE,
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surface,
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display_broadway->core_keyboard,
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message->base.time,
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message->key.key,
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message->key.state,
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FALSE,
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&translated,
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&translated,
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NULL);
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node = _gdk_event_queue_append (display, event);
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_gdk_windowing_got_event (display, node, event, message->base.serial);
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}
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break;
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case BROADWAY_EVENT_GRAB_NOTIFY:
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case BROADWAY_EVENT_UNGRAB_NOTIFY:
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_gdk_display_device_grab_update (display,
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display_broadway->core_pointer,
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message->base.serial);
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break;
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case BROADWAY_EVENT_CONFIGURE_NOTIFY:
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surface = g_hash_table_lookup (display_broadway->id_ht, GINT_TO_POINTER (message->configure_notify.id));
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if (surface)
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{
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gdk_surface_request_layout (surface);
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if (surface->resize_count >= 1)
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{
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surface->resize_count -= 1;
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if (surface->resize_count == 0)
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_gdk_broadway_moveresize_configure_done (display, surface);
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}
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}
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break;
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case BROADWAY_EVENT_ROUNDTRIP_NOTIFY:
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surface = g_hash_table_lookup (display_broadway->id_ht, GINT_TO_POINTER (message->roundtrip_notify.id));
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if (surface)
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_gdk_broadway_roundtrip_notify (surface, message->roundtrip_notify.tag, message->roundtrip_notify.local);
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break;
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case BROADWAY_EVENT_SCREEN_SIZE_CHANGED:
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_gdk_broadway_display_size_changed (display, &message->screen_resize_notify);
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break;
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case BROADWAY_EVENT_FOCUS:
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surface = g_hash_table_lookup (display_broadway->id_ht, GINT_TO_POINTER (message->focus.old_id));
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if (surface)
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{
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event = gdk_focus_event_new (surface,
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display_broadway->core_keyboard,
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FALSE);
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node = _gdk_event_queue_append (display, event);
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_gdk_windowing_got_event (display, node, event, message->base.serial);
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}
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surface = g_hash_table_lookup (display_broadway->id_ht, GINT_TO_POINTER (message->focus.new_id));
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if (surface)
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{
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event = gdk_focus_event_new (surface,
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display_broadway->core_keyboard,
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TRUE);
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node = _gdk_event_queue_append (display, event);
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_gdk_windowing_got_event (display, node, event, message->base.serial);
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}
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break;
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default:
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g_printerr ("_gdk_broadway_events_got_input - Unknown input command %c\n", message->base.type);
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break;
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}
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}
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void
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_gdk_broadway_display_queue_events (GdkDisplay *display)
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{
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}
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static gboolean
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gdk_event_source_dispatch (GSource *source,
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GSourceFunc callback,
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gpointer user_data)
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{
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GdkDisplay *display = ((GdkEventSource*) source)->display;
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GdkEvent *event;
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event = gdk_display_get_event (display);
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if (event)
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{
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_gdk_event_emit (event);
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gdk_event_unref (event);
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}
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return TRUE;
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}
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static void
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gdk_event_source_finalize (GSource *source)
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{
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GdkEventSource *event_source = (GdkEventSource *)source;
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event_sources = g_list_remove (event_sources, event_source);
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}
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GSource *
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_gdk_broadway_event_source_new (GdkDisplay *display)
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{
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GSource *source;
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GdkEventSource *event_source;
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char *name;
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source = g_source_new (&event_funcs, sizeof (GdkEventSource));
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name = g_strdup_printf ("GDK Broadway Event source (%s)",
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gdk_display_get_name (display));
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g_source_set_name (source, name);
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g_free (name);
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event_source = (GdkEventSource *) source;
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event_source->display = display;
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g_source_set_priority (source, GDK_PRIORITY_EVENTS);
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g_source_set_can_recurse (source, TRUE);
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g_source_attach (source, NULL);
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event_sources = g_list_prepend (event_sources, source);
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return source;
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}
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