/* 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. See the ChangeLog * files for a list of changes. These files are distributed with * GTK+ at ftp://ftp.gtk.org/pub/gtk/. */ #include "gdk.h" #include "gdkprivate-x11.h" #include "gdkinternals.h" #include "gdkx.h" #include "gdkkeysyms.h" #include "xsettings-client.h" #if HAVE_CONFIG_H # include # if STDC_HEADERS # include # endif #endif #include "gdkinputprivate.h" #ifdef HAVE_XKB #include #endif #include typedef struct _GdkIOClosure GdkIOClosure; typedef struct _GdkEventPrivate GdkEventPrivate; #define DOUBLE_CLICK_TIME 250 #define TRIPLE_CLICK_TIME 500 #define DOUBLE_CLICK_DIST 5 #define TRIPLE_CLICK_DIST 5 typedef enum { /* Following flag is set for events on the event queue during * translation and cleared afterwards. */ GDK_EVENT_PENDING = 1 << 0 } GdkEventFlags; struct _GdkIOClosure { GdkInputFunction function; GdkInputCondition condition; GdkDestroyNotify notify; gpointer data; }; struct _GdkEventPrivate { GdkEvent event; guint flags; }; /* * Private function declarations */ static gint gdk_event_apply_filters (XEvent *xevent, GdkEvent *event, GList *filters); static gint gdk_event_translate (GdkEvent *event, XEvent *xevent, gboolean return_exposes); #if 0 static Bool gdk_event_get_type (Display *display, XEvent *xevent, XPointer arg); #endif static gboolean gdk_event_prepare (GSource *source, gint *timeout); static gboolean gdk_event_check (GSource *source); static gboolean gdk_event_dispatch (GSource *source, GSourceFunc callback, gpointer user_data); static GdkFilterReturn gdk_wm_protocols_filter (GdkXEvent *xev, GdkEvent *event, gpointer data); static void gdk_xsettings_watch_cb (Window window, Bool is_start, long mask, void *cb_data); static void gdk_xsettings_notify_cb (const char *name, XSettingsAction action, XSettingsSetting *setting, void *data); /* Private variable declarations */ static int connection_number = 0; /* The file descriptor number of our * connection to the X server. This * is used so that we may determine * when events are pending by using * the "select" system call. */ static GList *client_filters; /* Filters for client messages */ static GSourceFuncs event_funcs = { gdk_event_prepare, gdk_event_check, gdk_event_dispatch, NULL }; static GPollFD event_poll_fd; static Window wmspec_check_window = None; static XSettingsClient *xsettings_client; /********************************************* * Functions for maintaining the event queue * *********************************************/ void _gdk_events_init (void) { GSource *source; connection_number = ConnectionNumber (gdk_display); GDK_NOTE (MISC, g_message ("connection number: %d", connection_number)); source = g_source_new (&event_funcs, sizeof (GSource)); g_source_set_priority (source, GDK_PRIORITY_EVENTS); event_poll_fd.fd = connection_number; event_poll_fd.events = G_IO_IN; g_source_add_poll (source, &event_poll_fd); g_source_set_can_recurse (source, TRUE); g_source_attach (source, NULL); _gdk_wm_window_protocols[0] = gdk_x11_get_xatom_by_name ("WM_DELETE_WINDOW"); _gdk_wm_window_protocols[1] = gdk_x11_get_xatom_by_name ("WM_TAKE_FOCUS"); _gdk_wm_window_protocols[2] = gdk_x11_get_xatom_by_name ("_NET_WM_PING"); gdk_add_client_message_filter (gdk_atom_intern ("WM_PROTOCOLS", FALSE), gdk_wm_protocols_filter, NULL); xsettings_client = xsettings_client_new (gdk_display, DefaultScreen (gdk_display), gdk_xsettings_notify_cb, gdk_xsettings_watch_cb, NULL); } /* *-------------------------------------------------------------- * gdk_events_pending * * Returns if events are pending on the queue. * * Arguments: * * Results: * Returns TRUE if events are pending * * Side effects: * *-------------------------------------------------------------- */ gboolean gdk_events_pending (void) { return (_gdk_event_queue_find_first() || XPending (gdk_display)); } /* *-------------------------------------------------------------- * gdk_event_get_graphics_expose * * Waits for a GraphicsExpose or NoExpose event * * Arguments: * * Results: * For GraphicsExpose events, returns a pointer to the event * converted into a GdkEvent Otherwise, returns NULL. * * Side effects: * *-------------------------------------------------------------- */ static Bool graphics_expose_predicate (Display *display, XEvent *xevent, XPointer arg) { if (xevent->xany.window == GDK_DRAWABLE_XID ((GdkDrawable *)arg) && (xevent->xany.type == GraphicsExpose || xevent->xany.type == NoExpose)) return True; else return False; } GdkEvent* gdk_event_get_graphics_expose (GdkWindow *window) { XEvent xevent; GdkEvent *event; g_return_val_if_fail (window != NULL, NULL); XIfEvent (gdk_display, &xevent, graphics_expose_predicate, (XPointer) window); if (xevent.xany.type == GraphicsExpose) { event = _gdk_event_new (); if (gdk_event_translate (event, &xevent, TRUE)) return event; else gdk_event_free (event); } return NULL; } static gint gdk_event_apply_filters (XEvent *xevent, GdkEvent *event, GList *filters) { GList *tmp_list; GdkFilterReturn result; tmp_list = filters; while (tmp_list) { GdkEventFilter *filter = (GdkEventFilter*) tmp_list->data; tmp_list = tmp_list->next; result = filter->function (xevent, event, filter->data); if (result != GDK_FILTER_CONTINUE) return result; } return GDK_FILTER_CONTINUE; } void gdk_add_client_message_filter (GdkAtom message_type, GdkFilterFunc func, gpointer data) { GdkClientFilter *filter = g_new (GdkClientFilter, 1); filter->type = message_type; filter->function = func; filter->data = data; client_filters = g_list_prepend (client_filters, filter); } static Atom wm_state_atom = 0; static Atom wm_desktop_atom = 0; static void gdk_check_wm_state_changed (GdkWindow *window) { Atom type; gint format; gulong nitems; gulong bytes_after; Atom *atoms = NULL; gulong i; Atom sticky_atom; Atom maxvert_atom; Atom maxhorz_atom; gboolean found_sticky, found_maxvert, found_maxhorz; GdkWindowState old_state; if (GDK_WINDOW_DESTROYED (window)) return; if (wm_state_atom == 0) wm_state_atom = gdk_x11_get_xatom_by_name ("_NET_WM_STATE"); if (wm_desktop_atom == 0) wm_desktop_atom = gdk_x11_get_xatom_by_name ("_NET_WM_DESKTOP"); XGetWindowProperty (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), wm_state_atom, 0, G_MAXLONG, False, XA_ATOM, &type, &format, &nitems, &bytes_after, (guchar **)&atoms); if (type != None) { sticky_atom = gdk_x11_get_xatom_by_name ("_NET_WM_STATE_STICKY"); maxvert_atom = gdk_x11_get_xatom_by_name ("_NET_WM_STATE_MAXIMIZED_VERT"); maxhorz_atom = gdk_x11_get_xatom_by_name ("_NET_WM_STATE_MAXIMIZED_HORZ"); found_sticky = FALSE; found_maxvert = FALSE; found_maxhorz = FALSE; i = 0; while (i < nitems) { if (atoms[i] == sticky_atom) found_sticky = TRUE; else if (atoms[i] == maxvert_atom) found_maxvert = TRUE; else if (atoms[i] == maxhorz_atom) found_maxhorz = TRUE; ++i; } XFree (atoms); } else { found_sticky = FALSE; found_maxvert = FALSE; found_maxhorz = FALSE; } /* For found_sticky to remain TRUE, we have to also be on desktop * 0xFFFFFFFF */ if (found_sticky) { gulong *desktop; XGetWindowProperty (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), wm_desktop_atom, 0, G_MAXLONG, False, XA_CARDINAL, &type, &format, &nitems, &bytes_after, (guchar **)&desktop); if (type != None) { if (*desktop != 0xFFFFFFFF) found_sticky = FALSE; XFree (desktop); } } old_state = gdk_window_get_state (window); if (old_state & GDK_WINDOW_STATE_STICKY) { if (!found_sticky) gdk_synthesize_window_state (window, GDK_WINDOW_STATE_STICKY, 0); } else { if (found_sticky) gdk_synthesize_window_state (window, 0, GDK_WINDOW_STATE_STICKY); } /* Our "maximized" means both vertical and horizontal; if only one, * we don't expose that via GDK */ if (old_state & GDK_WINDOW_STATE_MAXIMIZED) { if (!(found_maxvert && found_maxhorz)) gdk_synthesize_window_state (window, GDK_WINDOW_STATE_MAXIMIZED, 0); } else { if (found_maxvert && found_maxhorz) gdk_synthesize_window_state (window, 0, GDK_WINDOW_STATE_MAXIMIZED); } } #define HAS_FOCUS(window_impl) \ ((window_impl)->has_focus || (window_impl)->has_pointer_focus) static void generate_focus_event (GdkWindow *window, gboolean in) { GdkEvent event; event.type = GDK_FOCUS_CHANGE; event.focus_change.window = window; event.focus_change.send_event = FALSE; event.focus_change.in = in; gdk_event_put (&event); } static gint gdk_event_translate (GdkEvent *event, XEvent *xevent, gboolean return_exposes) { GdkWindow *window; GdkWindowObject *window_private; GdkWindowImplX11 *window_impl = NULL; static XComposeStatus compose; KeySym keysym; int charcount; char buf[16]; gint return_val; gint xoffset, yoffset; return_val = FALSE; /* init these, since the done: block uses them */ window = NULL; window_private = NULL; event->any.window = NULL; if (_gdk_default_filters) { /* Apply global filters */ GdkFilterReturn result; result = gdk_event_apply_filters (xevent, event, _gdk_default_filters); if (result != GDK_FILTER_CONTINUE) { return_val = (result == GDK_FILTER_TRANSLATE) ? TRUE : FALSE; goto done; } } /* We handle events with window=None * specially - they are generated by XFree86's XInput under * some circumstances. This handling for obvious reasons * goes before we bother to lookup the event window. */ if (xevent->xany.window == None) { return_val = _gdk_input_window_none_event (event, xevent); if (return_val >= 0) /* was handled */ return return_val; else return_val = FALSE; } /* Find the GdkWindow that this event occurred in. */ window = gdk_window_lookup (xevent->xany.window); window_private = (GdkWindowObject *) window; if (window != NULL) { /* Window may be a pixmap, so check its type. * (This check is probably too expensive unless * GLib short-circuits an exact type match, * which has been proposed) */ if (GDK_IS_WINDOW (window)) { window_impl = GDK_WINDOW_IMPL_X11 (window_private->impl); if (xevent->xany.window != GDK_WINDOW_XID (window)) { g_assert (xevent->xany.window == window_impl->focus_window); switch (xevent->type) { case KeyPress: case KeyRelease: xevent->xany.window = GDK_WINDOW_XID (window); break; default: return False; } } } g_object_ref (G_OBJECT (window)); } event->any.window = window; event->any.send_event = xevent->xany.send_event ? TRUE : FALSE; if (window_private && GDK_WINDOW_DESTROYED (window)) { if (xevent->type != DestroyNotify) { return_val = FALSE; goto done; } } else if (window_private) { /* Apply per-window filters */ GdkFilterReturn result; result = gdk_event_apply_filters (xevent, event, window_private->filters); if (result != GDK_FILTER_CONTINUE) { return_val = (result == GDK_FILTER_TRANSLATE) ? TRUE : FALSE; goto done; } } if (wmspec_check_window != None && xevent->xany.window == wmspec_check_window) { if (xevent->type == DestroyNotify) wmspec_check_window = None; /* Eat events on this window unless someone had wrapped * it as a foreign window */ if (window == NULL) { return_val = FALSE; goto done; } } if (window && _gdk_moveresize_window && (xevent->xany.type == MotionNotify || xevent->xany.type == ButtonRelease)) { _gdk_moveresize_handle_event (xevent); return_val = FALSE; goto done; } /* We do a "manual" conversion of the XEvent to a * GdkEvent. The structures are mostly the same so * the conversion is fairly straightforward. We also * optionally print debugging info regarding events * received. */ return_val = TRUE; if (window) { _gdk_windowing_window_get_offsets (window, &xoffset, &yoffset); } else { xoffset = 0; yoffset = 0; } switch (xevent->type) { case KeyPress: if (window_private == NULL) { return_val = FALSE; break; } /* Lookup the string corresponding to the given keysym. */ charcount = XLookupString (&xevent->xkey, buf, 16, &keysym, &compose); event->key.keyval = keysym; event->key.hardware_keycode = xevent->xkey.keycode; if (charcount > 0 && buf[charcount-1] == '\0') charcount --; else buf[charcount] = '\0'; #ifdef G_ENABLE_DEBUG if (_gdk_debug_flags & GDK_DEBUG_EVENTS) { g_message ("key press:\twindow: %ld key: %12s %d", xevent->xkey.window, event->key.keyval ? XKeysymToString (event->key.keyval) : "(none)", event->key.keyval); if (charcount > 0) g_message ("\t\tlength: %4d string: \"%s\"", charcount, buf); } #endif /* G_ENABLE_DEBUG */ event->key.type = GDK_KEY_PRESS; event->key.window = window; event->key.time = xevent->xkey.time; event->key.state = (GdkModifierType) xevent->xkey.state; event->key.string = g_strdup (buf); event->key.length = charcount; /* bits 13 and 14 in the "state" field are the keyboard group */ #define KEYBOARD_GROUP_SHIFT 13 #define KEYBOARD_GROUP_MASK ((1 << 13) | (1 << 14)) event->key.group = _gdk_x11_get_group_for_state (xevent->xkey.state); break; case KeyRelease: if (window_private == NULL) { return_val = FALSE; break; } /* Lookup the string corresponding to the given keysym. */ /* Emulate detectable auto-repeat by checking to see * if the next event is a key press with the same * keycode and timestamp, and if so, ignoring the event. */ if (!_gdk_have_xkb_autorepeat && XPending (gdk_display)) { XEvent next_event; XPeekEvent (gdk_display, &next_event); if (next_event.type == KeyPress && next_event.xkey.keycode == xevent->xkey.keycode && next_event.xkey.time == xevent->xkey.time) break; } keysym = GDK_VoidSymbol; charcount = XLookupString (&xevent->xkey, buf, 16, &keysym, &compose); event->key.keyval = keysym; GDK_NOTE (EVENTS, g_message ("key release:\t\twindow: %ld key: %12s %d", xevent->xkey.window, XKeysymToString (event->key.keyval), event->key.keyval)); event->key.type = GDK_KEY_RELEASE; event->key.window = window; event->key.time = xevent->xkey.time; event->key.state = (GdkModifierType) xevent->xkey.state; event->key.length = 0; event->key.string = NULL; event->key.group = (xevent->xkey.state & KEYBOARD_GROUP_MASK) >> KEYBOARD_GROUP_SHIFT; break; case ButtonPress: GDK_NOTE (EVENTS, g_message ("button press:\t\twindow: %ld x,y: %d %d button: %d", xevent->xbutton.window, xevent->xbutton.x, xevent->xbutton.y, xevent->xbutton.button)); if (window_private == NULL || ((window_private->extension_events != 0) && _gdk_input_ignore_core)) { return_val = FALSE; break; } /* If we get a ButtonPress event where the button is 4 or 5, it's a Scroll event */ switch (xevent->xbutton.button) { case 4: /* up */ case 5: /* down */ case 6: /* left */ case 7: /* right */ event->scroll.type = GDK_SCROLL; if (xevent->xbutton.button == 4) event->scroll.direction = GDK_SCROLL_UP; else if (xevent->xbutton.button == 5) event->scroll.direction = GDK_SCROLL_DOWN; else if (xevent->xbutton.button == 6) event->scroll.direction = GDK_SCROLL_LEFT; else event->scroll.direction = GDK_SCROLL_RIGHT; event->scroll.window = window; event->scroll.time = xevent->xbutton.time; event->scroll.x = xevent->xbutton.x + xoffset; event->scroll.y = xevent->xbutton.y + yoffset; event->scroll.x_root = (gfloat)xevent->xbutton.x_root; event->scroll.y_root = (gfloat)xevent->xbutton.y_root; event->scroll.state = (GdkModifierType) xevent->xbutton.state; event->scroll.device = _gdk_core_pointer; break; default: event->button.type = GDK_BUTTON_PRESS; event->button.window = window; event->button.time = xevent->xbutton.time; event->button.x = xevent->xbutton.x + xoffset; event->button.y = xevent->xbutton.y + yoffset; event->button.x_root = (gfloat)xevent->xbutton.x_root; event->button.y_root = (gfloat)xevent->xbutton.y_root; event->button.axes = NULL; event->button.state = (GdkModifierType) xevent->xbutton.state; event->button.button = xevent->xbutton.button; event->button.device = _gdk_core_pointer; _gdk_event_button_generate (event); break; } break; case ButtonRelease: GDK_NOTE (EVENTS, g_message ("button release:\twindow: %ld x,y: %d %d button: %d", xevent->xbutton.window, xevent->xbutton.x, xevent->xbutton.y, xevent->xbutton.button)); if (window_private == NULL || ((window_private->extension_events != 0) && _gdk_input_ignore_core)) { return_val = FALSE; break; } /* We treat button presses as scroll wheel events, so ignore the release */ if (xevent->xbutton.button == 4 || xevent->xbutton.button == 5 || xevent->xbutton.button == 6 || xevent->xbutton.button ==7) { return_val = FALSE; break; } event->button.type = GDK_BUTTON_RELEASE; event->button.window = window; event->button.time = xevent->xbutton.time; event->button.x = xevent->xbutton.x + xoffset; event->button.y = xevent->xbutton.y + yoffset; event->button.x_root = (gfloat)xevent->xbutton.x_root; event->button.y_root = (gfloat)xevent->xbutton.y_root; event->button.axes = NULL; event->button.state = (GdkModifierType) xevent->xbutton.state; event->button.button = xevent->xbutton.button; event->button.device = _gdk_core_pointer; break; case MotionNotify: GDK_NOTE (EVENTS, g_message ("motion notify:\t\twindow: %ld x,y: %d %d hint: %s", xevent->xmotion.window, xevent->xmotion.x, xevent->xmotion.y, (xevent->xmotion.is_hint) ? "true" : "false")); if (window_private == NULL || ((window_private->extension_events != 0) && _gdk_input_ignore_core)) { return_val = FALSE; break; } event->motion.type = GDK_MOTION_NOTIFY; event->motion.window = window; event->motion.time = xevent->xmotion.time; event->motion.x = xevent->xmotion.x + xoffset; event->motion.y = xevent->xmotion.y + yoffset; event->motion.x_root = (gfloat)xevent->xmotion.x_root; event->motion.y_root = (gfloat)xevent->xmotion.y_root; event->motion.axes = NULL; event->motion.state = (GdkModifierType) xevent->xmotion.state; event->motion.is_hint = xevent->xmotion.is_hint; event->motion.device = _gdk_core_pointer; break; case EnterNotify: GDK_NOTE (EVENTS, g_message ("enter notify:\t\twindow: %ld detail: %d subwin: %ld", xevent->xcrossing.window, xevent->xcrossing.detail, xevent->xcrossing.subwindow)); if (window_private == NULL) { return_val = FALSE; break; } /* Handle focusing (in the case where no window manager is running */ if (window && GDK_WINDOW_TYPE (window) != GDK_WINDOW_CHILD && xevent->xcrossing.detail != NotifyInferior && xevent->xcrossing.focus && !window_impl->has_focus) { gboolean had_focus = HAS_FOCUS (window_impl); window_impl->has_pointer_focus = TRUE; if (HAS_FOCUS (window_impl) != had_focus) generate_focus_event (window, TRUE); } /* Tell XInput stuff about it if appropriate */ if (window_private && !GDK_WINDOW_DESTROYED (window) && window_private->extension_events != 0) _gdk_input_enter_event (&xevent->xcrossing, window); event->crossing.type = GDK_ENTER_NOTIFY; event->crossing.window = window; /* If the subwindow field of the XEvent is non-NULL, then * lookup the corresponding GdkWindow. */ if (xevent->xcrossing.subwindow != None) event->crossing.subwindow = gdk_window_lookup (xevent->xcrossing.subwindow); else event->crossing.subwindow = NULL; event->crossing.time = xevent->xcrossing.time; event->crossing.x = xevent->xcrossing.x + xoffset; event->crossing.y = xevent->xcrossing.y + yoffset; event->crossing.x_root = xevent->xcrossing.x_root; event->crossing.y_root = xevent->xcrossing.y_root; /* Translate the crossing mode into Gdk terms. */ switch (xevent->xcrossing.mode) { case NotifyNormal: event->crossing.mode = GDK_CROSSING_NORMAL; break; case NotifyGrab: event->crossing.mode = GDK_CROSSING_GRAB; break; case NotifyUngrab: event->crossing.mode = GDK_CROSSING_UNGRAB; break; }; /* Translate the crossing detail into Gdk terms. */ switch (xevent->xcrossing.detail) { case NotifyInferior: event->crossing.detail = GDK_NOTIFY_INFERIOR; break; case NotifyAncestor: event->crossing.detail = GDK_NOTIFY_ANCESTOR; break; case NotifyVirtual: event->crossing.detail = GDK_NOTIFY_VIRTUAL; break; case NotifyNonlinear: event->crossing.detail = GDK_NOTIFY_NONLINEAR; break; case NotifyNonlinearVirtual: event->crossing.detail = GDK_NOTIFY_NONLINEAR_VIRTUAL; break; default: event->crossing.detail = GDK_NOTIFY_UNKNOWN; break; } event->crossing.focus = xevent->xcrossing.focus; event->crossing.state = xevent->xcrossing.state; break; case LeaveNotify: GDK_NOTE (EVENTS, g_message ("leave notify:\t\twindow: %ld detail: %d subwin: %ld", xevent->xcrossing.window, xevent->xcrossing.detail, xevent->xcrossing.subwindow)); if (window_private == NULL) { return_val = FALSE; break; } /* Handle focusing (in the case where no window manager is running */ if (window && GDK_WINDOW_TYPE (window) != GDK_WINDOW_CHILD && xevent->xcrossing.detail != NotifyInferior && xevent->xcrossing.focus && !window_impl->has_focus) { gboolean had_focus = HAS_FOCUS (window_impl); window_impl->has_pointer_focus = FALSE; if (HAS_FOCUS (window_impl) != had_focus) generate_focus_event (window, FALSE); } event->crossing.type = GDK_LEAVE_NOTIFY; event->crossing.window = window; /* If the subwindow field of the XEvent is non-NULL, then * lookup the corresponding GdkWindow. */ if (xevent->xcrossing.subwindow != None) event->crossing.subwindow = gdk_window_lookup (xevent->xcrossing.subwindow); else event->crossing.subwindow = NULL; event->crossing.time = xevent->xcrossing.time; event->crossing.x = xevent->xcrossing.x + xoffset; event->crossing.y = xevent->xcrossing.y + yoffset; event->crossing.x_root = xevent->xcrossing.x_root; event->crossing.y_root = xevent->xcrossing.y_root; /* Translate the crossing mode into Gdk terms. */ switch (xevent->xcrossing.mode) { case NotifyNormal: event->crossing.mode = GDK_CROSSING_NORMAL; break; case NotifyGrab: event->crossing.mode = GDK_CROSSING_GRAB; break; case NotifyUngrab: event->crossing.mode = GDK_CROSSING_UNGRAB; break; }; /* Translate the crossing detail into Gdk terms. */ switch (xevent->xcrossing.detail) { case NotifyInferior: event->crossing.detail = GDK_NOTIFY_INFERIOR; break; case NotifyAncestor: event->crossing.detail = GDK_NOTIFY_ANCESTOR; break; case NotifyVirtual: event->crossing.detail = GDK_NOTIFY_VIRTUAL; break; case NotifyNonlinear: event->crossing.detail = GDK_NOTIFY_NONLINEAR; break; case NotifyNonlinearVirtual: event->crossing.detail = GDK_NOTIFY_NONLINEAR_VIRTUAL; break; default: event->crossing.detail = GDK_NOTIFY_UNKNOWN; break; } event->crossing.focus = xevent->xcrossing.focus; event->crossing.state = xevent->xcrossing.state; break; /* We only care about focus events that indicate that _this_ * window (not a ancestor or child) got or lost the focus */ case FocusIn: GDK_NOTE (EVENTS, g_message ("focus in:\t\twindow: %ld", xevent->xfocus.window)); if (window && GDK_WINDOW_TYPE (window) != GDK_WINDOW_CHILD) { gboolean had_focus = HAS_FOCUS (window_impl); switch (xevent->xfocus.detail) { case NotifyAncestor: case NotifyNonlinear: case NotifyVirtual: case NotifyNonlinearVirtual: window_impl->has_focus = TRUE; break; case NotifyPointer: window_impl->has_pointer_focus = TRUE; break; case NotifyInferior: case NotifyPointerRoot: case NotifyDetailNone: break; } if (HAS_FOCUS (window_impl) != had_focus) generate_focus_event (window, TRUE); } break; case FocusOut: GDK_NOTE (EVENTS, g_message ("focus out:\t\twindow: %ld", xevent->xfocus.window)); if (window && GDK_WINDOW_TYPE (window) != GDK_WINDOW_CHILD) { gboolean had_focus = HAS_FOCUS (window_impl); switch (xevent->xfocus.detail) { case NotifyAncestor: case NotifyNonlinear: case NotifyVirtual: case NotifyNonlinearVirtual: window_impl->has_focus = FALSE; break; case NotifyPointer: window_impl->has_pointer_focus = FALSE; break; case NotifyInferior: case NotifyPointerRoot: case NotifyDetailNone: break; } if (HAS_FOCUS (window_impl) != had_focus) generate_focus_event (window, FALSE); } break; #if 0 /* gdk_keyboard_grab() causes following events. These events confuse * the XIM focus, so ignore them. */ if (xevent->xfocus.mode == NotifyGrab || xevent->xfocus.mode == NotifyUngrab) break; #endif case KeymapNotify: GDK_NOTE (EVENTS, g_message ("keymap notify")); /* Not currently handled */ return_val = FALSE; break; case Expose: GDK_NOTE (EVENTS, g_message ("expose:\t\twindow: %ld %d x,y: %d %d w,h: %d %d%s", xevent->xexpose.window, xevent->xexpose.count, xevent->xexpose.x, xevent->xexpose.y, xevent->xexpose.width, xevent->xexpose.height, event->any.send_event ? " (send)" : "")); if (window_private == NULL) { return_val = FALSE; break; } { GdkRectangle expose_rect; expose_rect.x = xevent->xexpose.x + xoffset; expose_rect.y = xevent->xexpose.y + yoffset; expose_rect.width = xevent->xexpose.width; expose_rect.height = xevent->xexpose.height; if (return_exposes) { event->expose.type = GDK_EXPOSE; event->expose.area = expose_rect; event->expose.region = gdk_region_rectangle (&expose_rect); event->expose.window = window; event->expose.count = xevent->xexpose.count; return_val = TRUE; } else { _gdk_window_process_expose (window, xevent->xexpose.serial, &expose_rect); return_val = FALSE; } return_val = FALSE; } break; case GraphicsExpose: { GdkRectangle expose_rect; GDK_NOTE (EVENTS, g_message ("graphics expose:\tdrawable: %ld", xevent->xgraphicsexpose.drawable)); if (window_private == NULL) { return_val = FALSE; break; } expose_rect.x = xevent->xgraphicsexpose.x + xoffset; expose_rect.y = xevent->xgraphicsexpose.y + yoffset; expose_rect.width = xevent->xgraphicsexpose.width; expose_rect.height = xevent->xgraphicsexpose.height; if (return_exposes) { event->expose.type = GDK_EXPOSE; event->expose.area = expose_rect; event->expose.region = gdk_region_rectangle (&expose_rect); event->expose.window = window; event->expose.count = xevent->xgraphicsexpose.count; return_val = TRUE; } else { _gdk_window_process_expose (window, xevent->xgraphicsexpose.serial, &expose_rect); return_val = FALSE; } } break; case NoExpose: GDK_NOTE (EVENTS, g_message ("no expose:\t\tdrawable: %ld", xevent->xnoexpose.drawable)); event->no_expose.type = GDK_NO_EXPOSE; event->no_expose.window = window; break; case VisibilityNotify: #ifdef G_ENABLE_DEBUG if (_gdk_debug_flags & GDK_DEBUG_EVENTS) switch (xevent->xvisibility.state) { case VisibilityFullyObscured: g_message ("visibility notify:\twindow: %ld none", xevent->xvisibility.window); break; case VisibilityPartiallyObscured: g_message ("visibility notify:\twindow: %ld partial", xevent->xvisibility.window); break; case VisibilityUnobscured: g_message ("visibility notify:\twindow: %ld full", xevent->xvisibility.window); break; } #endif /* G_ENABLE_DEBUG */ if (window_private == NULL) { return_val = FALSE; break; } event->visibility.type = GDK_VISIBILITY_NOTIFY; event->visibility.window = window; switch (xevent->xvisibility.state) { case VisibilityFullyObscured: event->visibility.state = GDK_VISIBILITY_FULLY_OBSCURED; break; case VisibilityPartiallyObscured: event->visibility.state = GDK_VISIBILITY_PARTIAL; break; case VisibilityUnobscured: event->visibility.state = GDK_VISIBILITY_UNOBSCURED; break; } break; case CreateNotify: GDK_NOTE (EVENTS, g_message ("create notify:\twindow: %ld x,y: %d %d w,h: %d %d b-w: %d parent: %ld ovr: %d", xevent->xcreatewindow.window, xevent->xcreatewindow.x, xevent->xcreatewindow.y, xevent->xcreatewindow.width, xevent->xcreatewindow.height, xevent->xcreatewindow.border_width, xevent->xcreatewindow.parent, xevent->xcreatewindow.override_redirect)); /* not really handled */ break; case DestroyNotify: GDK_NOTE (EVENTS, g_message ("destroy notify:\twindow: %ld", xevent->xdestroywindow.window)); /* Ignore DestroyNotify from SubstructureNotifyMask */ if (xevent->xdestroywindow.window == xevent->xdestroywindow.event) { event->any.type = GDK_DESTROY; event->any.window = window; return_val = window_private && !GDK_WINDOW_DESTROYED (window); if (window && GDK_WINDOW_XID (window) != GDK_ROOT_WINDOW()) gdk_window_destroy_notify (window); } else return_val = FALSE; break; case UnmapNotify: GDK_NOTE (EVENTS, g_message ("unmap notify:\t\twindow: %ld", xevent->xmap.window)); event->any.type = GDK_UNMAP; event->any.window = window; /* If we are shown (not withdrawn) and get an unmap, it means we * were iconified in the X sense. If we are withdrawn, and get * an unmap, it means we hid the window ourselves, so we * will have already flipped the iconified bit off. */ if (window && GDK_WINDOW_IS_MAPPED (window)) gdk_synthesize_window_state (window, 0, GDK_WINDOW_STATE_ICONIFIED); _gdk_xgrab_check_unmap (window, xevent->xany.serial); break; case MapNotify: GDK_NOTE (EVENTS, g_message ("map notify:\t\twindow: %ld", xevent->xmap.window)); event->any.type = GDK_MAP; event->any.window = window; /* Unset iconified if it was set */ if (window && (((GdkWindowObject*)window)->state & GDK_WINDOW_STATE_ICONIFIED)) gdk_synthesize_window_state (window, GDK_WINDOW_STATE_ICONIFIED, 0); break; case ReparentNotify: GDK_NOTE (EVENTS, g_message ("reparent notify:\twindow: %ld x,y: %d %d parent: %ld ovr: %d", xevent->xreparent.window, xevent->xreparent.x, xevent->xreparent.y, xevent->xreparent.parent, xevent->xreparent.override_redirect)); /* Not currently handled */ return_val = FALSE; break; case ConfigureNotify: GDK_NOTE (EVENTS, g_message ("configure notify:\twindow: %ld x,y: %d %d w,h: %d %d b-w: %d above: %ld ovr: %d%s", xevent->xconfigure.window, xevent->xconfigure.x, xevent->xconfigure.y, xevent->xconfigure.width, xevent->xconfigure.height, xevent->xconfigure.border_width, xevent->xconfigure.above, xevent->xconfigure.override_redirect, !window ? " (discarding)" : GDK_WINDOW_TYPE (window) == GDK_WINDOW_CHILD ? " (discarding child)" : "")); if (window && !GDK_WINDOW_DESTROYED (window) && (window_private->extension_events != 0)) _gdk_input_configure_event (&xevent->xconfigure, window); if (!window || GDK_WINDOW_TYPE (window) == GDK_WINDOW_CHILD || GDK_WINDOW_TYPE (window) == GDK_WINDOW_ROOT) return_val = FALSE; else { event->configure.type = GDK_CONFIGURE; event->configure.window = window; event->configure.width = xevent->xconfigure.width; event->configure.height = xevent->xconfigure.height; if (!xevent->xconfigure.send_event && !GDK_WINDOW_DESTROYED (window)) { gint tx = 0; gint ty = 0; Window child_window = 0; gdk_error_trap_push (); if (XTranslateCoordinates (GDK_DRAWABLE_XDISPLAY (window), GDK_DRAWABLE_XID (window), _gdk_root_window, 0, 0, &tx, &ty, &child_window)) { if (!gdk_error_trap_pop ()) { event->configure.x = tx; event->configure.y = ty; } } else gdk_error_trap_pop (); } else { event->configure.x = xevent->xconfigure.x; event->configure.y = xevent->xconfigure.y; } window_private->x = event->configure.x; window_private->y = event->configure.y; GDK_WINDOW_IMPL_X11 (window_private->impl)->width = xevent->xconfigure.width; GDK_WINDOW_IMPL_X11 (window_private->impl)->height = xevent->xconfigure.height; if (window_private->resize_count >= 1) { window_private->resize_count -= 1; if (window_private->resize_count == 0 && window == _gdk_moveresize_window) _gdk_moveresize_configure_done (); } } break; case PropertyNotify: GDK_NOTE (EVENTS, g_message ("property notify:\twindow: %ld, atom(%ld): %s%s%s", xevent->xproperty.window, xevent->xproperty.atom, "\"", gdk_x11_get_xatom_name (xevent->xproperty.atom), "\"")); if (window_private == NULL) { return_val = FALSE; break; } event->property.type = GDK_PROPERTY_NOTIFY; event->property.window = window; event->property.atom = gdk_x11_xatom_to_atom (xevent->xproperty.atom); event->property.time = xevent->xproperty.time; event->property.state = xevent->xproperty.state; if (wm_state_atom == 0) wm_state_atom = gdk_x11_get_xatom_by_name ("_NET_WM_STATE"); if (wm_desktop_atom == 0) wm_desktop_atom = gdk_x11_get_xatom_by_name ("_NET_WM_DESKTOP"); if (xevent->xproperty.atom == wm_state_atom || xevent->xproperty.atom == wm_desktop_atom) { /* If window state changed, then synthesize those events. */ gdk_check_wm_state_changed (event->property.window); } break; case SelectionClear: GDK_NOTE (EVENTS, g_message ("selection clear:\twindow: %ld", xevent->xproperty.window)); if (_gdk_selection_filter_clear_event (&xevent->xselectionclear)) { event->selection.type = GDK_SELECTION_CLEAR; event->selection.window = window; event->selection.selection = gdk_x11_xatom_to_atom (xevent->xselectionclear.selection); event->selection.time = xevent->xselectionclear.time; } else return_val = FALSE; break; case SelectionRequest: GDK_NOTE (EVENTS, g_message ("selection request:\twindow: %ld", xevent->xproperty.window)); event->selection.type = GDK_SELECTION_REQUEST; event->selection.window = window; event->selection.selection = gdk_x11_xatom_to_atom (xevent->xselectionrequest.selection); event->selection.target = gdk_x11_xatom_to_atom (xevent->xselectionrequest.target); event->selection.property = gdk_x11_xatom_to_atom (xevent->xselectionrequest.property); event->selection.requestor = xevent->xselectionrequest.requestor; event->selection.time = xevent->xselectionrequest.time; break; case SelectionNotify: GDK_NOTE (EVENTS, g_message ("selection notify:\twindow: %ld", xevent->xproperty.window)); event->selection.type = GDK_SELECTION_NOTIFY; event->selection.window = window; event->selection.selection = gdk_x11_xatom_to_atom (xevent->xselection.selection); event->selection.target = gdk_x11_xatom_to_atom (xevent->xselection.target); event->selection.property = gdk_x11_xatom_to_atom (xevent->xselection.property); event->selection.time = xevent->xselection.time; break; case ColormapNotify: GDK_NOTE (EVENTS, g_message ("colormap notify:\twindow: %ld", xevent->xcolormap.window)); /* Not currently handled */ return_val = FALSE; break; case ClientMessage: { GList *tmp_list; GdkFilterReturn result = GDK_FILTER_CONTINUE; GdkAtom message_type = gdk_x11_xatom_to_atom (xevent->xclient.message_type); GDK_NOTE (EVENTS, g_message ("client message:\twindow: %ld", xevent->xclient.window)); tmp_list = client_filters; while (tmp_list) { GdkClientFilter *filter = tmp_list->data; if (filter->type == message_type) { result = (*filter->function) (xevent, event, filter->data); break; } tmp_list = tmp_list->next; } switch (result) { case GDK_FILTER_REMOVE: return_val = FALSE; break; case GDK_FILTER_TRANSLATE: return_val = TRUE; break; case GDK_FILTER_CONTINUE: /* Send unknown ClientMessage's on to Gtk for it to use */ if (window_private == NULL) { return_val = FALSE; } else { event->client.type = GDK_CLIENT_EVENT; event->client.window = window; event->client.message_type = message_type; event->client.data_format = xevent->xclient.format; memcpy(&event->client.data, &xevent->xclient.data, sizeof(event->client.data)); } break; } } break; case MappingNotify: GDK_NOTE (EVENTS, g_message ("mapping notify")); /* Let XLib know that there is a new keyboard mapping. */ XRefreshKeyboardMapping (&xevent->xmapping); ++_gdk_keymap_serial; return_val = FALSE; break; default: #ifdef HAVE_XKB if (xevent->type == _gdk_xkb_event_type) { XkbEvent *xkb_event = (XkbEvent *)xevent; switch (xkb_event->any.xkb_type) { case XkbMapNotify: ++_gdk_keymap_serial; return_val = FALSE; break; case XkbStateNotify: _gdk_keymap_state_changed (); break; } } else #endif { /* something else - (e.g., a Xinput event) */ if (window_private && !GDK_WINDOW_DESTROYED (window_private) && (window_private->extension_events != 0)) return_val = _gdk_input_other_event(event, xevent, window); else return_val = FALSE; break; } } done: if (return_val) { if (event->any.window) gdk_window_ref (event->any.window); if (((event->any.type == GDK_ENTER_NOTIFY) || (event->any.type == GDK_LEAVE_NOTIFY)) && (event->crossing.subwindow != NULL)) gdk_window_ref (event->crossing.subwindow); } else { /* Mark this event as having no resources to be freed */ event->any.window = NULL; event->any.type = GDK_NOTHING; } if (window) gdk_window_unref (window); return return_val; } static GdkFilterReturn gdk_wm_protocols_filter (GdkXEvent *xev, GdkEvent *event, gpointer data) { XEvent *xevent = (XEvent *)xev; if ((Atom) xevent->xclient.data.l[0] == gdk_x11_get_xatom_by_name ("WM_DELETE_WINDOW")) { /* The delete window request specifies a window * to delete. We don't actually destroy the * window because "it is only a request". (The * window might contain vital data that the * program does not want destroyed). Instead * the event is passed along to the program, * which should then destroy the window. */ GDK_NOTE (EVENTS, g_message ("delete window:\t\twindow: %ld", xevent->xclient.window)); event->any.type = GDK_DELETE; return GDK_FILTER_TRANSLATE; } else if ((Atom) xevent->xclient.data.l[0] == gdk_x11_get_xatom_by_name ("WM_TAKE_FOCUS")) { GdkWindow *win = event->any.window; Window focus_win = GDK_WINDOW_IMPL_X11(((GdkWindowObject *)win)->impl)->focus_window; /* There is no way of knowing reliably whether we are viewable so we need * to trap errors so we don't cause a BadMatch. */ gdk_error_trap_push (); XSetInputFocus (GDK_WINDOW_XDISPLAY (win), focus_win, RevertToParent, xevent->xclient.data.l[1]); XSync (GDK_WINDOW_XDISPLAY (win), False); gdk_error_trap_pop (); } else if ((Atom) xevent->xclient.data.l[0] == gdk_x11_get_xatom_by_name ("_NET_WM_PING")) { XEvent xev = *xevent; xev.xclient.window = _gdk_root_window; XSendEvent (gdk_display, _gdk_root_window, False, SubstructureRedirectMask | SubstructureNotifyMask, &xev); } return GDK_FILTER_REMOVE; } #if 0 static Bool gdk_event_get_type (Display *display, XEvent *xevent, XPointer arg) { GdkEvent event; GdkPredicate *pred; if (gdk_event_translate (&event, xevent, FALSE)) { pred = (GdkPredicate*) arg; return (* pred->func) (&event, pred->data); } return FALSE; } #endif void _gdk_events_queue (void) { GList *node; GdkEvent *event; XEvent xevent; while (!_gdk_event_queue_find_first() && XPending (gdk_display)) { XNextEvent (gdk_display, &xevent); switch (xevent.type) { case KeyPress: case KeyRelease: break; default: if (XFilterEvent (&xevent, None)) continue; } event = _gdk_event_new (); event->any.type = GDK_NOTHING; event->any.window = NULL; event->any.send_event = xevent.xany.send_event ? TRUE : FALSE; ((GdkEventPrivate *)event)->flags |= GDK_EVENT_PENDING; _gdk_event_queue_append (event); node = _gdk_queued_tail; if (gdk_event_translate (event, &xevent, FALSE)) { ((GdkEventPrivate *)event)->flags &= ~GDK_EVENT_PENDING; } else { _gdk_event_queue_remove_link (node); g_list_free_1 (node); gdk_event_free (event); } } } static gboolean gdk_event_prepare (GSource *source, gint *timeout) { gboolean retval; GDK_THREADS_ENTER (); *timeout = -1; retval = (_gdk_event_queue_find_first () != NULL) || XPending (gdk_display); GDK_THREADS_LEAVE (); return retval; } static gboolean gdk_event_check (GSource *source) { gboolean retval; GDK_THREADS_ENTER (); if (event_poll_fd.revents & G_IO_IN) retval = (_gdk_event_queue_find_first () != NULL) || XPending (gdk_display); else retval = FALSE; GDK_THREADS_LEAVE (); return retval; } static gboolean gdk_event_dispatch (GSource *source, GSourceFunc callback, gpointer user_data) { GdkEvent *event; GDK_THREADS_ENTER (); _gdk_events_queue(); event = _gdk_event_unqueue(); if (event) { if (_gdk_event_func) (*_gdk_event_func) (event, _gdk_event_data); gdk_event_free (event); } GDK_THREADS_LEAVE (); return TRUE; } /* Sends a ClientMessage to all toplevel client windows */ gboolean gdk_event_send_client_message (GdkEvent *event, guint32 xid) { XEvent sev; g_return_val_if_fail(event != NULL, FALSE); /* Set up our event to send, with the exception of its target window */ sev.xclient.type = ClientMessage; sev.xclient.display = gdk_display; sev.xclient.format = event->client.data_format; sev.xclient.window = xid; memcpy(&sev.xclient.data, &event->client.data, sizeof(sev.xclient.data)); sev.xclient.message_type = gdk_x11_atom_to_xatom (event->client.message_type); return gdk_send_xevent (xid, False, NoEventMask, &sev); } /* Sends a ClientMessage to all toplevel client windows */ gboolean gdk_event_send_client_message_to_all_recurse (XEvent *xev, guint32 xid, guint level) { static Atom wm_state_atom = None; Atom type = None; int format; unsigned long nitems, after; unsigned char *data; Window *ret_children, ret_root, ret_parent; unsigned int ret_nchildren; gboolean send = FALSE; gboolean found = FALSE; gboolean result = FALSE; int i; if (!wm_state_atom) wm_state_atom = gdk_x11_get_xatom_by_name ("WM_STATE"); gdk_error_trap_push (); if (XGetWindowProperty (gdk_display, xid, wm_state_atom, 0, 0, False, AnyPropertyType, &type, &format, &nitems, &after, &data) != Success) goto out; if (type) { send = TRUE; XFree (data); } else { /* OK, we're all set, now let's find some windows to send this to */ if (!XQueryTree (gdk_display, xid, &ret_root, &ret_parent, &ret_children, &ret_nchildren)) goto out; for(i = 0; i < ret_nchildren; i++) if (gdk_event_send_client_message_to_all_recurse (xev, ret_children[i], level + 1)) found = TRUE; XFree (ret_children); } if (send || (!found && (level == 1))) { xev->xclient.window = xid; gdk_send_xevent (xid, False, NoEventMask, xev); } result = send || found; out: gdk_error_trap_pop (); return result; } void gdk_event_send_clientmessage_toall (GdkEvent *event) { XEvent sev; g_return_if_fail(event != NULL); /* Set up our event to send, with the exception of its target window */ sev.xclient.type = ClientMessage; sev.xclient.display = gdk_display; sev.xclient.format = event->client.data_format; memcpy(&sev.xclient.data, &event->client.data, sizeof(sev.xclient.data)); sev.xclient.message_type = gdk_x11_atom_to_xatom (event->client.message_type); gdk_event_send_client_message_to_all_recurse(&sev, _gdk_root_window, 0); } /* *-------------------------------------------------------------- * gdk_flush * * Flushes the Xlib output buffer and then waits * until all requests have been received and processed * by the X server. The only real use for this function * is in dealing with XShm. * * Arguments: * * Results: * * Side effects: * *-------------------------------------------------------------- */ void gdk_flush (void) { XSync (gdk_display, False); } static Atom timestamp_prop_atom = 0; static Bool timestamp_predicate (Display *display, XEvent *xevent, XPointer arg) { Window xwindow = GPOINTER_TO_UINT (arg); if (xevent->type == PropertyNotify && xevent->xproperty.window == xwindow && xevent->xproperty.atom == timestamp_prop_atom) return True; return False; } /** * gdk_x11_get_server_time: * @window: a #GdkWindow, used for communication with the server. * The window must have GDK_PROPERTY_CHANGE_MASK in its * events mask or a hang will result. * * Routine to get the current X server time stamp. * * Return value: the time stamp. **/ guint32 gdk_x11_get_server_time (GdkWindow *window) { Display *xdisplay; Window xwindow; guchar c = 'a'; XEvent xevent; g_return_val_if_fail (GDK_IS_WINDOW (window), 0); g_return_val_if_fail (!GDK_WINDOW_DESTROYED (window), 0); if (!timestamp_prop_atom) timestamp_prop_atom = gdk_x11_get_xatom_by_name ("GDK_TIMESTAMP_PROP"); xdisplay = GDK_WINDOW_XDISPLAY (window); xwindow = GDK_WINDOW_XWINDOW (window); XChangeProperty (xdisplay, xwindow, timestamp_prop_atom, timestamp_prop_atom, 8, PropModeReplace, &c, 1); XIfEvent (xdisplay, &xevent, timestamp_predicate, GUINT_TO_POINTER(xwindow)); return xevent.xproperty.time; } /** * gdk_net_wm_supports: * @property: a property atom * * This function is specific to the X11 backend of GDK, and indicates * whether the window manager supports a certain hint from the * Extended Window Manager Hints Specification. You can find this * specification on http://www.freedesktop.org. * * When using this function, keep in mind that the window manager * can change over time; so you shouldn't use this function in * a way that impacts persistent application state. A common bug * is that your application can start up before the window manager * does when the user logs in, and before the window manager starts * gdk_net_wm_supports() will return %FALSE for every property. * * Return value: %TRUE if the window manager supports @property **/ gboolean gdk_net_wm_supports (GdkAtom property) { static Atom wmspec_check_atom = 0; static Atom wmspec_supported_atom = 0; static Atom *atoms = NULL; static gulong n_atoms = 0; Atom xproperty = gdk_x11_atom_to_xatom (property); Atom type; gint format; gulong nitems; gulong bytes_after; Window *xwindow; gulong i; if (wmspec_check_window != None) { if (atoms == NULL) return FALSE; i = 0; while (i < n_atoms) { if (atoms[i] == xproperty) return TRUE; ++i; } return FALSE; } if (atoms) XFree (atoms); atoms = NULL; n_atoms = 0; /* This function is very slow on every call if you are not running a * spec-supporting WM. For now not optimized, because it isn't in * any critical code paths, but if you used it somewhere that had to * be fast you want to avoid "GTK is slow with old WMs" complaints. * Probably at that point the function should be changed to query * _NET_SUPPORTING_WM_CHECK only once every 10 seconds or something. */ if (wmspec_check_atom == 0) wmspec_check_atom = gdk_x11_get_xatom_by_name ("_NET_SUPPORTING_WM_CHECK"); if (wmspec_supported_atom == 0) wmspec_supported_atom = gdk_x11_get_xatom_by_name ("_NET_SUPPORTED"); XGetWindowProperty (gdk_display, _gdk_root_window, wmspec_check_atom, 0, G_MAXLONG, False, XA_WINDOW, &type, &format, &nitems, &bytes_after, (guchar **)&xwindow); if (type != XA_WINDOW) return FALSE; gdk_error_trap_push (); /* Find out if this WM goes away, so we can reset everything. */ XSelectInput (gdk_display, *xwindow, StructureNotifyMask); gdk_flush (); if (gdk_error_trap_pop ()) { XFree (xwindow); return FALSE; } XGetWindowProperty (gdk_display, _gdk_root_window, wmspec_supported_atom, 0, G_MAXLONG, False, XA_ATOM, &type, &format, &n_atoms, &bytes_after, (guchar **)&atoms); if (type != XA_ATOM) return FALSE; wmspec_check_window = *xwindow; XFree (xwindow); /* since wmspec_check_window != None this isn't infinite. ;-) */ return gdk_net_wm_supports (property); } static struct { const char *xsettings_name; const char *gdk_name; } settings_map[] = { { "Net/DoubleClickTime", "gtk-double-click-time" }, { "Net/DndDragThreshold", "gtk-dnd-drag-threshold" }, { "Gtk/CanChangeAccels", "gtk-can-change-accels" }, { "Gtk/ColorPalette", "gtk-color-palette" }, { "Gtk/FontName", "gtk-font-name" }, { "Gtk/KeyThemeName", "gtk-key-theme-name" }, { "Gtk/ToolbarStyle", "gtk-toolbar-style" }, { "Gtk/ToolbarIconSize", "gtk-toolbar-icon-size" }, { "Net/CursorBlink", "gtk-cursor-blink" }, { "Net/CursorBlinkTime", "gtk-cursor-blink-time" }, { "Net/ThemeName", "gtk-theme-name" } }; static void gdk_xsettings_notify_cb (const char *name, XSettingsAction action, XSettingsSetting *setting, void *data) { GdkEvent new_event; int i; new_event.type = GDK_SETTING; new_event.setting.window = NULL; new_event.setting.send_event = FALSE; new_event.setting.name = NULL; for (i = 0; i < G_N_ELEMENTS (settings_map) ; i++) if (strcmp (settings_map[i].xsettings_name, name) == 0) { new_event.setting.name = g_strdup (settings_map[i].gdk_name); break; } if (!new_event.setting.name) return; switch (action) { case XSETTINGS_ACTION_NEW: new_event.setting.action = GDK_SETTING_ACTION_NEW; break; case XSETTINGS_ACTION_CHANGED: new_event.setting.action = GDK_SETTING_ACTION_CHANGED; break; case XSETTINGS_ACTION_DELETED: new_event.setting.action = GDK_SETTING_ACTION_DELETED; break; } gdk_event_put (&new_event); } static gboolean check_transform (const gchar *xsettings_name, GType src_type, GType dest_type) { if (!g_value_type_transformable (src_type, dest_type)) { g_warning ("Cannot tranform xsetting %s of type %s to type %s\n", xsettings_name, g_type_name (src_type), g_type_name (dest_type)); return FALSE; } else return TRUE; } gboolean gdk_setting_get (const gchar *name, GValue *value) { const char *xsettings_name = NULL; XSettingsResult result; XSettingsSetting *setting; gboolean success = FALSE; gint i; GValue tmp_val = { 0, }; for (i = 0; i < G_N_ELEMENTS (settings_map) ; i++) if (strcmp (settings_map[i].gdk_name, name) == 0) { xsettings_name = settings_map[i].xsettings_name; break; } if (!xsettings_name) return FALSE; result = xsettings_client_get_setting (xsettings_client, xsettings_name, &setting); if (result != XSETTINGS_SUCCESS) return FALSE; switch (setting->type) { case XSETTINGS_TYPE_INT: if (check_transform (xsettings_name, G_TYPE_INT, G_VALUE_TYPE (value))) { g_value_init (&tmp_val, G_TYPE_INT); g_value_set_int (&tmp_val, setting->data.v_int); g_value_transform (&tmp_val, value); success = TRUE; } break; case XSETTINGS_TYPE_STRING: if (check_transform (xsettings_name, G_TYPE_STRING, G_VALUE_TYPE (value))) { g_value_init (&tmp_val, G_TYPE_STRING); g_value_set_string (&tmp_val, setting->data.v_string); g_value_transform (&tmp_val, value); success = TRUE; } break; case XSETTINGS_TYPE_COLOR: if (!check_transform (xsettings_name, GDK_TYPE_COLOR, G_VALUE_TYPE (value))) { GdkColor color; g_value_init (&tmp_val, GDK_TYPE_COLOR); color.pixel = 0; color.red = setting->data.v_color.red; color.green = setting->data.v_color.green; color.blue = setting->data.v_color.blue; g_value_set_boxed (&tmp_val, &color); g_value_transform (&tmp_val, value); success = TRUE; } break; } g_value_unset (&tmp_val); xsettings_setting_free (setting); return success; } static GdkFilterReturn gdk_xsettings_client_event_filter (GdkXEvent *xevent, GdkEvent *event, gpointer data) { if (xsettings_client_process_event (xsettings_client, (XEvent *)xevent)) return GDK_FILTER_REMOVE; else return GDK_FILTER_CONTINUE; } static void gdk_xsettings_watch_cb (Window window, Bool is_start, long mask, void *cb_data) { GdkWindow *gdkwin; gdkwin = gdk_window_lookup (window); if (is_start) gdk_window_add_filter (gdkwin, gdk_xsettings_client_event_filter, NULL); else gdk_window_remove_filter (gdkwin, gdk_xsettings_client_event_filter, NULL); }