/* GDK - The GIMP Drawing Kit * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald * * 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, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ /* * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS * file for a list of people on the GTK+ Team. */ /* * GTK+ DirectFB backend * Copyright (C) 2001-2002 convergence integrated media GmbH * Copyright (C) 2002-2004 convergence GmbH * Written by Denis Oliver Kropp and * Sven Neumann */ #include "config.h" #include "gdk.h" #include "gdkdirectfb.h" #include "gdkprivate-directfb.h" #include "gdkinternals.h" #include "gdkkeysyms.h" #include "gdkinput-directfb.h" #include #ifndef __GDK_X_H__ #define __GDK_X_H__ gboolean gdk_net_wm_supports (GdkAtom property); #endif #include "gdkalias.h" #define EventBuffer _gdk_display->buffer #define DirectFB _gdk_display->directfb #include "gdkaliasdef.c" /********************************************* * Functions for maintaining the event queue * *********************************************/ static GdkEvent * gdk_event_translate (DFBWindowEvent *dfbevent, GdkWindow *window); /* * Private variable declarations */ static GList *client_filters; /* Filters for client messages */ static void dfb_events_process_window_event (DFBWindowEvent *event) { GdkWindow *window = gdk_directfb_window_id_table_lookup (event->window_id); if (! window) return; gdk_event_translate (event, window); } static gboolean gdk_event_send_client_message_by_window (GdkEvent *event, GdkWindow *window) { GdkEvent *new_event; g_return_val_if_fail(event != NULL, FALSE); g_return_val_if_fail(GDK_IS_WINDOW(window), FALSE); new_event = gdk_directfb_event_make (window, GDK_CLIENT_EVENT); new_event->client.message_type = event->client.message_type; new_event->client.data_format = event->client.data_format; memcpy(&new_event->client.data, &event->client.data, sizeof(event->client.data)); return TRUE; } static void dfb_events_dispatch (void) { GdkDisplay *display = gdk_display_get_default (); GdkEvent *event; while ((event = _gdk_event_unqueue (display)) != NULL) { if (_gdk_event_func) (*_gdk_event_func) (event, _gdk_event_data); gdk_event_free (event); } } static gboolean dfb_events_io_func (GIOChannel *channel, GIOCondition condition, gpointer data) { gsize i; gsize read; GIOStatus result; DFBEvent buf[23]; DFBEvent *event; result = g_io_channel_read_chars (channel, (gchar *) buf, sizeof (buf), &read, NULL); if (result == G_IO_STATUS_ERROR) { g_warning ("%s: GIOError occured", __FUNCTION__); return TRUE; } read /= sizeof (DFBEvent); for (i = 0, event = buf; i < read; i++, event++) { switch (event->clazz) { case DFEC_WINDOW: /* TODO workaround to prevent two DWET_ENTER in a row from being delivered */ if (event->window.type == DWET_ENTER ) { if ( i>0 && buf[i-1].window.type != DWET_ENTER ) dfb_events_process_window_event (&event->window); } else dfb_events_process_window_event (&event->window); break; default: break; } } EventBuffer->Reset (EventBuffer); dfb_events_dispatch (); return TRUE; } void _gdk_events_init (void) { GIOChannel *channel; GSource *source; DFBResult ret; gint fd; ret = DirectFB->CreateEventBuffer (DirectFB, &EventBuffer); if (ret) { DirectFBError ("_gdk_events_init: " "IDirectFB::CreateEventBuffer() failed", ret); return; } ret = EventBuffer->CreateFileDescriptor (EventBuffer, &fd); if (ret) { DirectFBError ("_gdk_events_init: " "IDirectFBEventBuffer::CreateFileDescriptor() failed", ret); return; } channel = g_io_channel_unix_new (fd); g_io_channel_set_encoding (channel, NULL, NULL); g_io_channel_set_buffered (channel, FALSE); source = g_io_create_watch (channel, G_IO_IN); g_source_set_priority (source, G_PRIORITY_DEFAULT); g_source_set_can_recurse (source, TRUE); g_source_set_callback (source, (GSourceFunc) dfb_events_io_func, NULL, NULL); g_source_attach (source, NULL); g_source_unref (source); } gboolean gdk_events_pending (void) { GdkDisplay *display = gdk_display_get_default (); return _gdk_event_queue_find_first (display) ? TRUE : FALSE; } GdkEvent * gdk_event_get_graphics_expose (GdkWindow *window) { GdkDisplay *display; GList *list; g_return_val_if_fail (GDK_IS_WINDOW (window), NULL); display = gdk_drawable_get_display (GDK_DRAWABLE (window)); for (list = _gdk_event_queue_find_first (display); list; list = list->next) { GdkEvent *event = list->data; if (event->type == GDK_EXPOSE && event->expose.window == window) break; } if (list) { GdkEvent *retval = list->data; _gdk_event_queue_remove_link (display, list); g_list_free_1 (list); return retval; } return NULL; } void _gdk_events_queue (GdkDisplay *display) { } void gdk_flush (void) { gdk_display_flush ( GDK_DISPLAY_OBJECT(_gdk_display)); } /* Sends a ClientMessage to all toplevel client windows */ gboolean gdk_event_send_client_message_for_display (GdkDisplay *display, GdkEvent *event, guint32 xid) { GdkWindow *win = NULL; gboolean ret = TRUE; g_return_val_if_fail(event != NULL, FALSE); win = gdk_window_lookup_for_display (display, (GdkNativeWindow) xid); g_return_val_if_fail(win != NULL, FALSE); if ((GDK_WINDOW_OBJECT(win)->window_type != GDK_WINDOW_CHILD) && (g_object_get_data (G_OBJECT (win), "gdk-window-child-handler"))) { /* Managed window, check children */ GList *ltmp = NULL; for (ltmp = GDK_WINDOW_OBJECT(win)->children; ltmp; ltmp = ltmp->next) { ret &= gdk_event_send_client_message_by_window (event, GDK_WINDOW(ltmp->data)); } } else { ret &= gdk_event_send_client_message_by_window (event, win); } return ret; } /*****/ guint32 gdk_directfb_get_time (void) { GTimeVal tv; g_get_current_time (&tv); return (guint32) tv.tv_sec * 1000 + tv.tv_usec / 1000; } void gdk_directfb_event_windows_add (GdkWindow *window) { GdkWindowImplDirectFB *impl; g_return_if_fail (GDK_IS_WINDOW (window)); impl = GDK_WINDOW_IMPL_DIRECTFB (GDK_WINDOW_OBJECT (window)->impl); if (!impl->window) return; if (EventBuffer) impl->window->AttachEventBuffer (impl->window, EventBuffer); else impl->window->CreateEventBuffer (impl->window, &EventBuffer); } GdkWindow * gdk_directfb_child_at (GdkWindow *window, gint *winx, gint *winy) { GdkWindowObject *private; GList *list; g_return_val_if_fail (GDK_IS_WINDOW (window), NULL); private = GDK_WINDOW_OBJECT (window); for (list = private->children; list; list = list->next) { GdkWindowObject *win = list->data; if (GDK_WINDOW_IS_MAPPED (win) && *winx >= win->x && *winx < win->x + GDK_DRAWABLE_IMPL_DIRECTFB (win->impl)->width && *winy >= win->y && *winy < win->y + GDK_DRAWABLE_IMPL_DIRECTFB (win->impl)->height) { *winx -= win->x; *winy -= win->y; return gdk_directfb_child_at (GDK_WINDOW (win), winx, winy ); } } return window; } static GdkEvent * gdk_event_translate (DFBWindowEvent *dfbevent, GdkWindow *window) { GdkWindowObject *private; GdkDisplay *display; GdkEvent *event = NULL; g_return_val_if_fail (dfbevent != NULL, NULL); g_return_val_if_fail (GDK_IS_WINDOW (window), NULL); private = GDK_WINDOW_OBJECT (window); g_object_ref (G_OBJECT (window)); display = gdk_drawable_get_display (GDK_DRAWABLE (window)); switch (dfbevent->type) { case DWET_BUTTONDOWN: case DWET_BUTTONUP: { static gboolean click_grab = FALSE; GdkWindow *child; gint wx, wy; guint mask; guint button; _gdk_directfb_mouse_x = wx = dfbevent->cx; _gdk_directfb_mouse_y = wy = dfbevent->cy; switch (dfbevent->button) { case DIBI_LEFT: button = 1; mask = GDK_BUTTON1_MASK; break; case DIBI_MIDDLE: button = 2; mask = GDK_BUTTON2_MASK; break; case DIBI_RIGHT: button = 3; mask = GDK_BUTTON3_MASK; break; default: button = dfbevent->button + 1; mask = 0; break; } child = gdk_directfb_child_at (_gdk_parent_root, &wx, &wy); if (_gdk_directfb_pointer_grab_window && (_gdk_directfb_pointer_grab_events & (dfbevent->type == DWET_BUTTONDOWN ? GDK_BUTTON_PRESS_MASK : GDK_BUTTON_RELEASE_MASK)) && (_gdk_directfb_pointer_grab_owner_events == FALSE || child == _gdk_parent_root) ) { GdkDrawableImplDirectFB *impl; child = _gdk_directfb_pointer_grab_window; impl = GDK_DRAWABLE_IMPL_DIRECTFB (GDK_WINDOW_OBJECT (child)->impl); dfbevent->x = dfbevent->cx - impl->abs_x; dfbevent->y = dfbevent->cy - impl->abs_y; } else if (!_gdk_directfb_pointer_grab_window || (_gdk_directfb_pointer_grab_owner_events == TRUE)) { dfbevent->x = wx; dfbevent->y = wy; } else { child = NULL; } if (dfbevent->type == DWET_BUTTONDOWN) _gdk_directfb_modifiers |= mask; else _gdk_directfb_modifiers &= ~mask; if (child) { event = gdk_directfb_event_make (child, dfbevent->type == DWET_BUTTONDOWN ? GDK_BUTTON_PRESS : GDK_BUTTON_RELEASE); event->button.x_root = _gdk_directfb_mouse_x; event->button.y_root = _gdk_directfb_mouse_y; event->button.x = dfbevent->x; event->button.y = dfbevent->y; event->button.state = _gdk_directfb_modifiers; event->button.button = button; event->button.device = display->core_pointer; GDK_NOTE (EVENTS, g_message ("button: %d at %d,%d %s with state 0x%08x", event->button.button, (int)event->button.x, (int)event->button.y, dfbevent->type == DWET_BUTTONDOWN ? "pressed" : "released", _gdk_directfb_modifiers)); if (dfbevent->type == DWET_BUTTONDOWN) _gdk_event_button_generate (display, event); } /* Handle implicit button grabs: */ if (dfbevent->type == DWET_BUTTONDOWN && !click_grab && child) { if (gdk_directfb_pointer_grab (child, FALSE, gdk_window_get_events (child), NULL, NULL, GDK_CURRENT_TIME, TRUE) == GDK_GRAB_SUCCESS) click_grab = TRUE; } else if (dfbevent->type == DWET_BUTTONUP && !(_gdk_directfb_modifiers & (GDK_BUTTON1_MASK | GDK_BUTTON2_MASK | GDK_BUTTON3_MASK)) && click_grab) { gdk_directfb_pointer_ungrab (GDK_CURRENT_TIME, TRUE); click_grab = FALSE; } } break; case DWET_MOTION: { GdkWindow *event_win=NULL; GdkWindow *child; _gdk_directfb_mouse_x = dfbevent->cx; _gdk_directfb_mouse_y = dfbevent->cy; //child = gdk_directfb_child_at (window, &dfbevent->x, &dfbevent->y); /* Go all the way to root to catch popup menus */ int wx=_gdk_directfb_mouse_x; int wy=_gdk_directfb_mouse_y; child = gdk_directfb_child_at (_gdk_parent_root, &wx, &wy); /* first let's see if any cossing event has to be send */ gdk_directfb_window_send_crossing_events (NULL, child, GDK_CROSSING_NORMAL); /* then dispatch the motion event to the window the cursor it's inside */ event_win = gdk_directfb_pointer_event_window (child, GDK_MOTION_NOTIFY); if (event_win) { if (event_win == _gdk_directfb_pointer_grab_window) { GdkDrawableImplDirectFB *impl; child = _gdk_directfb_pointer_grab_window; impl = GDK_DRAWABLE_IMPL_DIRECTFB (GDK_WINDOW_OBJECT (child)->impl); dfbevent->x = _gdk_directfb_mouse_x - impl->abs_x; dfbevent->y = _gdk_directfb_mouse_y - impl->abs_y; } event = gdk_directfb_event_make (child, GDK_MOTION_NOTIFY); event->motion.x_root = _gdk_directfb_mouse_x; event->motion.y_root = _gdk_directfb_mouse_y; //event->motion.x = dfbevent->x; //event->motion.y = dfbevent->y; event->motion.x = wx; event->motion.y = wy; event->motion.state = _gdk_directfb_modifiers; event->motion.is_hint = FALSE; event->motion.device = display->core_pointer; if (GDK_WINDOW_OBJECT (event_win)->event_mask & GDK_POINTER_MOTION_HINT_MASK) { while (EventBuffer->PeekEvent (EventBuffer, DFB_EVENT (dfbevent)) == DFB_OK && dfbevent->type == DWET_MOTION) { EventBuffer->GetEvent (EventBuffer, DFB_EVENT (dfbevent)); event->motion.is_hint = TRUE; } } } /* make sure crossing events go to the event window found */ /* GdkWindow *ev_win = ( event_win == NULL ) ? gdk_window_at_pointer (NULL,NULL) :event_win; gdk_directfb_window_send_crossing_events (NULL,ev_win,GDK_CROSSING_NORMAL); */ } break; case DWET_GOTFOCUS: gdk_directfb_change_focus (window); break; case DWET_LOSTFOCUS: gdk_directfb_change_focus (_gdk_parent_root); break; case DWET_POSITION: { GdkWindow *event_win; private->x = dfbevent->x; private->y = dfbevent->y; event_win = gdk_directfb_other_event_window (window, GDK_CONFIGURE); if (event_win) { event = gdk_directfb_event_make (event_win, GDK_CONFIGURE); event->configure.x = dfbevent->x; event->configure.y = dfbevent->y; event->configure.width = GDK_DRAWABLE_IMPL_DIRECTFB (private->impl)->width; event->configure.height = GDK_DRAWABLE_IMPL_DIRECTFB (private->impl)->height; } _gdk_directfb_calc_abs (window); } break; case DWET_POSITION_SIZE: private->x = dfbevent->x; private->y = dfbevent->y; /* fallthru */ case DWET_SIZE: { GdkDrawableImplDirectFB *impl; GdkWindow *event_win; GList *list; impl = GDK_DRAWABLE_IMPL_DIRECTFB (private->impl); event_win = gdk_directfb_other_event_window (window, GDK_CONFIGURE); if (event_win) { event = gdk_directfb_event_make (event_win, GDK_CONFIGURE); event->configure.x = private->x; event->configure.y = private->y; event->configure.width = dfbevent->w; event->configure.height = dfbevent->h; } impl->width = dfbevent->w; impl->height = dfbevent->h; for (list = private->children; list; list = list->next) { GdkWindowObject *win; GdkDrawableImplDirectFB *impl; win = GDK_WINDOW_OBJECT (list->data); impl = GDK_DRAWABLE_IMPL_DIRECTFB (win->impl); _gdk_directfb_move_resize_child (GDK_WINDOW (win), win->x, win->y, impl->width, impl->height); } _gdk_directfb_calc_abs (window); gdk_window_clear (window); gdk_window_invalidate_rect (window, NULL, TRUE); } break; case DWET_KEYDOWN: case DWET_KEYUP: { GdkEventType type = (dfbevent->type == DWET_KEYUP ? GDK_KEY_RELEASE : GDK_KEY_PRESS); GdkWindow *event_win = gdk_directfb_keyboard_event_window (gdk_directfb_window_find_focus (), type); if (event_win) { event = gdk_directfb_event_make (event_win, type); gdk_directfb_translate_key_event (dfbevent, &event->key); } } break; case DWET_LEAVE: _gdk_directfb_mouse_x = dfbevent->cx; _gdk_directfb_mouse_y = dfbevent->cy; gdk_directfb_window_send_crossing_events (NULL, _gdk_parent_root, GDK_CROSSING_NORMAL); if (gdk_directfb_apply_focus_opacity) { if (GDK_WINDOW_IS_MAPPED (window)) GDK_WINDOW_IMPL_DIRECTFB (private->impl)->window->SetOpacity (GDK_WINDOW_IMPL_DIRECTFB (private->impl)->window, (GDK_WINDOW_IMPL_DIRECTFB (private->impl)->opacity >> 1) + (GDK_WINDOW_IMPL_DIRECTFB (private->impl)->opacity >> 2)); } break; case DWET_ENTER: { GdkWindow *child; _gdk_directfb_mouse_x = dfbevent->cx; _gdk_directfb_mouse_y = dfbevent->cy; child = gdk_directfb_child_at (window, &dfbevent->x, &dfbevent->y); /* this makes sure pointer is set correctly when it previously left * a window being not standard shaped */ gdk_window_set_cursor (window, NULL); gdk_directfb_window_send_crossing_events (NULL, child, GDK_CROSSING_NORMAL); if (gdk_directfb_apply_focus_opacity) { GDK_WINDOW_IMPL_DIRECTFB (private->impl)->window->SetOpacity (GDK_WINDOW_IMPL_DIRECTFB (private->impl)->window, GDK_WINDOW_IMPL_DIRECTFB (private->impl)->opacity); } } break; case DWET_CLOSE: { GdkWindow *event_win; event_win = gdk_directfb_other_event_window (window, GDK_DELETE); if (event_win) event = gdk_directfb_event_make (event_win, GDK_DELETE); } break; case DWET_DESTROYED: { GdkWindow *event_win; event_win = gdk_directfb_other_event_window (window, GDK_DESTROY); if (event_win) event = gdk_directfb_event_make (event_win, GDK_DESTROY); gdk_window_destroy_notify (window); } break; case DWET_WHEEL: { GdkWindow *event_win; _gdk_directfb_mouse_x = dfbevent->cx; _gdk_directfb_mouse_y = dfbevent->cy; if (_gdk_directfb_pointer_grab_window) { GdkDrawableImplDirectFB *impl; event_win = _gdk_directfb_pointer_grab_window; impl = GDK_DRAWABLE_IMPL_DIRECTFB (GDK_WINDOW_OBJECT (event_win)->impl); dfbevent->x = dfbevent->cx - impl->abs_x; dfbevent->y = dfbevent->cy - impl->abs_y; } else { event_win = gdk_directfb_child_at (window, &dfbevent->x, &dfbevent->y); } if (event_win) { event = gdk_directfb_event_make (event_win, GDK_SCROLL); event->scroll.direction = (dfbevent->step < 0 ? GDK_SCROLL_DOWN : GDK_SCROLL_UP); event->scroll.x_root = _gdk_directfb_mouse_x; event->scroll.y_root = _gdk_directfb_mouse_y; event->scroll.x = dfbevent->x; event->scroll.y = dfbevent->y; event->scroll.state = _gdk_directfb_modifiers; event->scroll.device = display->core_pointer; } } break; default: g_message ("unhandled DirectFB windowing event 0x%08x", dfbevent->type); } g_object_unref (G_OBJECT (window)); return event; } gboolean gdk_screen_get_setting (GdkScreen *screen, const gchar *name, GValue *value) { return FALSE; } void gdk_display_add_client_message_filter (GdkDisplay *display, GdkAtom message_type, GdkFilterFunc func, gpointer data) { /* XXX: display should be used */ GdkClientFilter *filter = g_new (GdkClientFilter, 1); filter->type = message_type; filter->function = func; filter->data = data; client_filters = g_list_append (client_filters, filter); } void gdk_add_client_message_filter (GdkAtom message_type, GdkFilterFunc func, gpointer data) { gdk_display_add_client_message_filter (gdk_display_get_default (), message_type, func, data); } void gdk_screen_broadcast_client_message (GdkScreen *screen, GdkEvent *sev) { GdkWindow *root_window; GdkWindowObject *private; GList *top_level = NULL; g_return_if_fail (GDK_IS_SCREEN (screen)); g_return_if_fail(sev != NULL); root_window = gdk_screen_get_root_window (screen); g_return_if_fail(GDK_IS_WINDOW(root_window)); private = GDK_WINDOW_OBJECT (root_window); for (top_level = private->children; top_level; top_level = top_level->next) { gdk_event_send_client_message_for_display (gdk_drawable_get_display(GDK_DRAWABLE(root_window)), sev, (guint32)(GDK_WINDOW_DFB_ID(GDK_WINDOW(top_level->data)))); } } /** * gdk_net_wm_supports: * @property: a property atom. * * This function is specific to the X11 backend of GDK, and indicates * whether the window manager for the default screen supports a certain * hint from the Extended Window Manager Hints Specification. See * gdk_x11_screen_supports_net_wm_hint() for complete details. * * Return value: %TRUE if the window manager supports @property **/ gboolean gdk_net_wm_supports (GdkAtom property) { return FALSE; } #define __GDK_EVENTS_X11_C__ #include "gdkaliasdef.c"