1 /* GDK - The GIMP Drawing Kit
2 * Copyright (C) 2009 Carlos Garnacho <carlosg@gnome.org>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
22 #include "gdkeventsource.h"
24 #include "gdkinternals.h"
28 static gboolean gdk_event_source_prepare (GSource *source,
30 static gboolean gdk_event_source_check (GSource *source);
31 static gboolean gdk_event_source_dispatch (GSource *source,
34 static void gdk_event_source_finalize (GSource *source);
36 #define HAS_FOCUS(toplevel) \
37 ((toplevel)->has_focus || (toplevel)->has_pointer_focus)
39 struct _GdkEventSource
44 GPollFD event_poll_fd;
47 static GSourceFuncs event_funcs = {
48 gdk_event_source_prepare,
49 gdk_event_source_check,
50 gdk_event_source_dispatch,
51 gdk_event_source_finalize
54 static GList *event_sources = NULL;
57 gdk_event_source_prepare (GSource *source,
60 GdkDisplay *display = ((GdkEventSource*) source)->display;
66 retval = (_gdk_event_queue_find_first (display) != NULL);
74 gdk_event_source_check (GSource *source)
76 GdkEventSource *event_source = (GdkEventSource*) source;
81 if (event_source->event_poll_fd.revents & G_IO_IN)
82 retval = (_gdk_event_queue_find_first (event_source->display) != NULL);
92 _gdk_events_got_input (GdkDisplay *display,
95 GdkDisplayBroadway *display_broadway = GDK_DISPLAY_BROADWAY (display);
97 GdkWindow *root, *window;
99 int x, y, button, id, dir,key;
101 GdkEvent *event = NULL;
105 screen = gdk_display_get_default_screen (display);
106 root = gdk_screen_get_root_window (screen);
112 id = strtol(p, &p, 10);
114 x = strtol(p, &p, 10);
116 y = strtol(p, &p, 10);
118 time = strtol(p, &p, 10);
119 display_broadway->last_x = x;
120 display_broadway->last_y = y;
122 window = g_hash_table_lookup (display_broadway->id_ht, GINT_TO_POINTER (id));
124 if (display_broadway->mouse_in_toplevel != window)
126 if (display_broadway->mouse_in_toplevel != NULL)
128 event = gdk_event_new (GDK_LEAVE_NOTIFY);
129 event->crossing.window = g_object_ref (display_broadway->mouse_in_toplevel);
130 event->crossing.time = time;
131 event->crossing.x = x - GDK_WINDOW_OBJECT (display_broadway->mouse_in_toplevel)->x;
132 event->crossing.y = y - GDK_WINDOW_OBJECT (display_broadway->mouse_in_toplevel)->y;
133 event->crossing.x_root = x;
134 event->crossing.y_root = y;
135 event->crossing.mode = GDK_CROSSING_NORMAL;
136 event->crossing.detail = GDK_NOTIFY_ANCESTOR;
137 gdk_event_set_device (event, display->core_pointer);
139 node = _gdk_event_queue_append (display, event);
140 _gdk_windowing_got_event (display, node, event, 0);
142 event = gdk_event_new (GDK_FOCUS_CHANGE);
143 event->focus_change.window = g_object_ref (display_broadway->mouse_in_toplevel);
144 event->focus_change.in = FALSE;
145 gdk_event_set_device (event, display->core_pointer);
147 node = _gdk_event_queue_append (display, event);
148 _gdk_windowing_got_event (display, node, event, 0);
151 /* TODO: Unset when it dies */
152 display_broadway->mouse_in_toplevel = window;
156 event = gdk_event_new (GDK_ENTER_NOTIFY);
157 event->crossing.window = g_object_ref (window);
158 event->crossing.time = time;
159 event->crossing.x = x - GDK_WINDOW_OBJECT (window)->x;
160 event->crossing.y = y - GDK_WINDOW_OBJECT (window)->y;
161 event->crossing.x_root = x;
162 event->crossing.y_root = y;
163 event->crossing.mode = GDK_CROSSING_NORMAL;
164 event->crossing.detail = GDK_NOTIFY_ANCESTOR;
165 gdk_event_set_device (event, display->core_pointer);
167 node = _gdk_event_queue_append (display, event);
168 _gdk_windowing_got_event (display, node, event, 0);
170 event = gdk_event_new (GDK_FOCUS_CHANGE);
171 event->focus_change.window = g_object_ref (window);
172 event->focus_change.in = TRUE;
173 gdk_event_set_device (event, display->core_pointer);
175 node = _gdk_event_queue_append (display, event);
176 _gdk_windowing_got_event (display, node, event, 0);
183 event = gdk_event_new (GDK_MOTION_NOTIFY);
184 event->motion.window = g_object_ref (window);
185 event->motion.time = time;
186 event->motion.x = x - GDK_WINDOW_OBJECT (window)->x;
187 event->motion.y = y - GDK_WINDOW_OBJECT (window)->y;
188 event->motion.x_root = x;
189 event->motion.y_root = y;
190 gdk_event_set_device (event, display->core_pointer);
192 node = _gdk_event_queue_append (display, event);
193 _gdk_windowing_got_event (display, node, event, 0);
199 id = strtol(p, &p, 10);
201 x = strtol(p, &p, 10);
203 y = strtol(p, &p, 10);
205 button = strtol(p, &p, 10);
207 time = strtol(p, &p, 10);
208 display_broadway->last_x = x;
209 display_broadway->last_y = y;
211 window = g_hash_table_lookup (display_broadway->id_ht, GINT_TO_POINTER (id));
215 event = gdk_event_new (cmd == 'b' ? GDK_BUTTON_PRESS : GDK_BUTTON_RELEASE);
216 event->button.window = g_object_ref (window);
217 event->button.time = time;
218 event->button.x = x - GDK_WINDOW_OBJECT (window)->x;
219 event->button.y = y - GDK_WINDOW_OBJECT (window)->y;
220 event->button.x_root = x;
221 event->button.y_root = y;
222 event->button.button = button + 1;
223 gdk_event_set_device (event, display->core_pointer);
225 node = _gdk_event_queue_append (display, event);
226 _gdk_windowing_got_event (display, node, event, 0);
231 id = strtol(p, &p, 10);
233 x = strtol(p, &p, 10);
235 y = strtol(p, &p, 10);
237 dir = strtol(p, &p, 10);
239 time = strtol(p, &p, 10);
240 display_broadway->last_x = x;
241 display_broadway->last_y = y;
243 window = g_hash_table_lookup (display_broadway->id_ht, GINT_TO_POINTER (id));
247 event = gdk_event_new (GDK_SCROLL);
248 event->scroll.window = g_object_ref (window);
249 event->scroll.time = time;
250 event->scroll.x = x - GDK_WINDOW_OBJECT (window)->x;
251 event->scroll.y = y - GDK_WINDOW_OBJECT (window)->y;
252 event->scroll.x_root = x;
253 event->scroll.y_root = y;
254 event->scroll.direction = dir == 0 ? GDK_SCROLL_UP : GDK_SCROLL_DOWN;
255 gdk_event_set_device (event, display->core_pointer);
257 node = _gdk_event_queue_append (display, event);
258 _gdk_windowing_got_event (display, node, event, 0);
264 key = strtol(p, &p, 10);
266 time = strtol(p, &p, 10);
268 window = display_broadway->mouse_in_toplevel;
272 event = gdk_event_new (cmd == 'k' ? GDK_KEY_PRESS : GDK_KEY_RELEASE);
273 event->key.window = g_object_ref (window);
274 event->key.time = time;
275 event->key.keyval = key;
276 event->key.length = 0;
277 gdk_event_set_device (event, display->core_pointer);
279 node = _gdk_event_queue_append (display, event);
280 _gdk_windowing_got_event (display, node, event, 0);
285 g_print ("Unknown input command %s\n", message);
291 _gdk_events_queue (GdkDisplay *display)
296 gdk_event_source_dispatch (GSource *source,
297 GSourceFunc callback,
300 GdkDisplay *display = ((GdkEventSource*) source)->display;
303 GDK_THREADS_ENTER ();
305 event = gdk_display_get_event (display);
310 (*_gdk_event_func) (event, _gdk_event_data);
312 gdk_event_free (event);
315 GDK_THREADS_LEAVE ();
321 gdk_event_source_finalize (GSource *source)
323 GdkEventSource *event_source = (GdkEventSource *)source;
325 event_sources = g_list_remove (event_sources, event_source);
329 gdk_event_source_new (GdkDisplay *display)
332 GdkEventSource *event_source;
335 source = g_source_new (&event_funcs, sizeof (GdkEventSource));
336 name = g_strdup_printf ("GDK Broadway Event source (%s)",
337 gdk_display_get_name (display));
338 g_source_set_name (source, name);
340 event_source = (GdkEventSource *) source;
341 event_source->display = display;
343 g_source_set_priority (source, GDK_PRIORITY_EVENTS);
344 g_source_set_can_recurse (source, TRUE);
345 g_source_attach (source, NULL);
347 event_sources = g_list_prepend (event_sources, source);
353 gdk_events_pending (void)
357 for (tmp_list = event_sources; tmp_list; tmp_list = tmp_list->next)
359 GdkEventSource *tmp_source = tmp_list->data;
360 GdkDisplay *display = tmp_source->display;
362 if (_gdk_event_queue_find_first (display))