putting events on the event queue does not send them back to the server. it was...

[chaz/openbox] / openbox / event.c

diff --git a/openbox/event.c b/openbox/event.c
index 3126ef92a9ef2d9e338f5640c2703834e69c763d..5e526d2342ac110f051371f5c6cc96d51b1e9ff5 100644 (file)
--- a/openbox/event.c
+++ b/openbox/event.c
@@ -97,10 +97,15 @@ static gboolean focus_delay_func(gpointer data);
 static gboolean unfocus_delay_func(gpointer data);
 static void focus_delay_client_dest(ObClient *client, gpointer data);
 
-Time event_curtime = CurrentTime;
-Time event_last_user_time = CurrentTime;
-/*! The serial of the current X event */
+Time event_last_user_time;
+
+/*! The time of the current X event (if it had a timestamp) */
+static Time event_curtime;
+/*! The source time that started the current X event (user-provided, so not
+  to be trusted) */
+static Time event_sourcetime;
 
+/*! The serial of the current X event */
 static gulong event_curserial;
 static gboolean focus_left_screen = FALSE;
 /*! A list of ObSerialRanges which are to be ignored for mouse enter events */
@@ -139,6 +144,10 @@ void event_startup(gboolean reconfig)
 #endif
 
     client_add_destroy_notify(focus_delay_client_dest, NULL);
+
+    event_curtime = CurrentTime;
+    event_sourcetime = CurrentTime;
+    event_last_user_time = CurrentTime;
 }
 
 void event_shutdown(gboolean reconfig)
@@ -207,7 +216,7 @@ static Window event_get_window(XEvent *e)
     return window;
 }
 
-static void event_set_curtime(XEvent *e)
+static inline Time event_get_timestamp(const XEvent *e)
 {
     Time t = CurrentTime;
 
@@ -238,7 +247,7 @@ static void event_set_curtime(XEvent *e)
         if (obt_display_extension_sync &&
             e->type == obt_display_extension_sync_basep + XSyncAlarmNotify)
         {
-            t = ((XSyncAlarmNotifyEvent*)e)->time;
+            t = ((const XSyncAlarmNotifyEvent*)e)->time;
         }
 #endif
         /* if more event types are anticipated, get their timestamp
@@ -246,12 +255,20 @@ static void event_set_curtime(XEvent *e)
         break;
     }
 
+    return t;
+}
+
+static void event_set_curtime(XEvent *e)
+{
+    Time t = event_get_timestamp(e);
+
     /* watch that if we get an event earlier than the last specified user_time,
        which can happen if the clock goes backwards, we erase the last
        specified user_time */
     if (t && event_last_user_time && event_time_after(event_last_user_time, t))
         event_last_user_time = CurrentTime;
 
+    event_sourcetime = CurrentTime;
     event_curtime = t;
 }
 
@@ -729,7 +746,7 @@ static void event_process(const XEvent *ec, gpointer data)
 
     /* if something happens and it's not from an XEvent, then we don't know
        the time */
-    event_curtime = CurrentTime;
+    event_curtime = event_sourcetime = CurrentTime;
     event_curserial = 0;
 }
 
@@ -750,11 +767,12 @@ static void event_handle_root(XEvent *e)
         if (msgtype == OBT_PROP_ATOM(NET_CURRENT_DESKTOP)) {
             guint d = e->xclient.data.l[0];
             if (d < screen_num_desktops) {
-                event_curtime = e->xclient.data.l[1];
-                if (event_curtime == 0)
+                if (e->xclient.data.l[1] == 0)
                     ob_debug_type(OB_DEBUG_APP_BUGS,
                                   "_NET_CURRENT_DESKTOP message is missing "
                                   "a timestamp");
+                else
+                    event_sourcetime = e->xclient.data.l[1];
                 screen_set_desktop(d, TRUE);
             }
         } else if (msgtype == OBT_PROP_ATOM(NET_NUMBER_OF_DESKTOPS)) {
@@ -813,7 +831,7 @@ void event_enter_client(ObClient *client)
 
             data = g_slice_new(ObFocusDelayData);
             data->client = client;
-            data->time = event_curtime;
+            data->time = event_time();
             data->serial = event_curserial;
 
             obt_main_loop_timeout_add(ob_main_loop,
@@ -823,7 +841,7 @@ void event_enter_client(ObClient *client)
         } else {
             ObFocusDelayData data;
             data.client = client;
-            data.time = event_curtime;
+            data.time = event_time();
             data.serial = event_curserial;
             focus_delay_func(&data);
         }
@@ -848,7 +866,7 @@ void event_leave_client(ObClient *client)
 
             data = g_slice_new(ObFocusDelayData);
             data->client = client;
-            data->time = event_curtime;
+            data->time = event_time();
             data->serial = event_curserial;
 
             obt_main_loop_timeout_add(ob_main_loop,
@@ -858,7 +876,7 @@ void event_leave_client(ObClient *client)
         } else {
             ObFocusDelayData data;
             data.client = client;
-            data.time = event_curtime;
+            data.time = event_time();
             data.serial = event_curserial;
             unfocus_delay_func(&data);
         }
@@ -1334,10 +1352,6 @@ static void event_handle_client(ObClient *client, XEvent *e)
           to an already unmapped window.
         */
 
-        /* we don't want the reparent event, put it back on the stack for the
-           X server to deal with after we unmanage the window */
-        XPutBackEvent(obt_display, e);
-
         ob_debug("ReparentNotify for window 0x%x", client->window);
         client_unmanage(client);
         break;
@@ -1405,13 +1419,11 @@ static void event_handle_client(ObClient *client, XEvent *e)
                    so do not use this timestamp in event_curtime, as this would
                    be used in XSetInputFocus.
                 */
-                /*event_curtime = e->xclient.data.l[1];*/
+                event_sourcetime = e->xclient.data.l[1];
                 if (e->xclient.data.l[1] == 0)
                     ob_debug_type(OB_DEBUG_APP_BUGS,
                                   "_NET_ACTIVE_WINDOW message for window %s is"
                                   " missing a timestamp", client->title);
-
-                event_curtime = event_get_server_time();
             } else
                 ob_debug_type(OB_DEBUG_APP_BUGS,
                               "_NET_ACTIVE_WINDOW message for window %s is "
@@ -2062,7 +2074,7 @@ static gboolean focus_delay_cmp(gconstpointer d1, gconstpointer d2)
 static gboolean focus_delay_func(gpointer data)
 {
     ObFocusDelayData *d = data;
-    Time old = event_curtime;
+    Time old = event_curtime; /* save the curtime */
 
     event_curtime = d->time;
     event_curserial = d->serial;
@@ -2075,7 +2087,7 @@ static gboolean focus_delay_func(gpointer data)
 static gboolean unfocus_delay_func(gpointer data)
 {
     ObFocusDelayData *d = data;
-    Time old = event_curtime;
+    Time old = event_curtime; /* save the curtime */
 
     event_curtime = d->time;
     event_curserial = d->serial;
@@ -2206,14 +2218,35 @@ gboolean event_time_after(guint32 t1, guint32 t2)
         return t1 >= t2 && t1 < (t2 + TIME_HALF);
 }
 
-Time event_get_server_time(void)
+Bool find_timestamp(Display *d, XEvent *e, XPointer a)
+{
+    const Time t = event_get_timestamp(e);
+    return t != CurrentTime;
+}
+
+Time event_time(void)
 {
-    /* Generate a timestamp */
     XEvent event;
 
+    if (event_curtime) return event_curtime;
+
+    /* Some events don't come with timestamps :(
+       ...but we can get one anyways >:) */
+
+    /* Generate a timestamp so there is guaranteed at least one in the queue
+       eventually */
     XChangeProperty(obt_display, screen_support_win,
                     OBT_PROP_ATOM(WM_CLASS), OBT_PROP_ATOM(STRING),
                     8, PropModeAppend, NULL, 0);
-    XWindowEvent(obt_display, screen_support_win, PropertyChangeMask, &event);
-    return event.xproperty.time;
+
+    /* Grab the first timestamp available */
+    XPeekIfEvent(obt_display, &event, find_timestamp, NULL);
+
+    /* Save the time so we don't have to do this again for this event */
+    return event_curtime = event.xproperty.time;
+}
+
+Time event_source_time(void)
+{
+    return event_sourcetime;
 }