move the code for tracking what extensions are available on the display into the...
[dana/openbox.git] / openbox / client.c
index 1931d87..20ccfe3 100644 (file)
 #include "debug.h"
 #include "startupnotify.h"
 #include "dock.h"
-#include "xerror.h"
 #include "screen.h"
 #include "moveresize.h"
+#include "ping.h"
 #include "place.h"
 #include "prop.h"
-#include "extensions.h"
 #include "frame.h"
 #include "session.h"
 #include "event.h"
 #include "keyboard.h"
 #include "mouse.h"
 #include "render/render.h"
+#include "gettext.h"
+#include "obt/display.h"
 
 #ifdef HAVE_UNISTD_H
 #  include <unistd.h>
 #endif
 
+#ifdef HAVE_SIGNAL_H
+#  include <signal.h> /* for kill() */
+#endif
+
 #include <glib.h>
 #include <X11/Xutil.h>
 
@@ -74,6 +79,10 @@ static void client_get_state(ObClient *self);
 static void client_get_shaped(ObClient *self);
 static void client_get_mwm_hints(ObClient *self);
 static void client_get_colormap(ObClient *self);
+static void client_set_desktop_recursive(ObClient *self,
+                                         guint target,
+                                         gboolean donthide,
+                                         gboolean dontraise);
 static void client_change_allowed_actions(ObClient *self);
 static void client_change_state(ObClient *self);
 static void client_change_wm_state(ObClient *self);
@@ -93,6 +102,7 @@ static GSList *client_search_all_top_parents_internal(ObClient *self,
                                                       gboolean bylayer,
                                                       ObStackingLayer layer);
 static void client_call_notifies(ObClient *self, GSList *list);
+static void client_ping_event(ObClient *self, gboolean dead);
 
 
 void client_startup(gboolean reconfig)
@@ -140,7 +150,7 @@ void client_remove_destroy_notify(ObClientCallback func)
     }
 }
 
-void client_set_list()
+void client_set_list(void)
 {
     Window *windows, *win_it;
     GList *it;
@@ -164,7 +174,7 @@ void client_set_list()
     stacking_set_list();
 }
 
-void client_manage_all()
+void client_manage_all(void)
 {
     guint i, j, nchild;
     Window w, *children;
@@ -214,7 +224,7 @@ void client_manage(Window window)
     ObAppSettings *settings;
     gboolean transient = FALSE;
     Rect place, *monitor;
-    Time map_time;
+    Time launch_time, map_time;
 
     grab_server(TRUE);
 
@@ -253,6 +263,8 @@ void client_manage(Window window)
 
     ob_debug("Managing window: 0x%lx\n", window);
 
+    map_time = event_get_server_time();
+
     /* choose the events we want to receive on the CLIENT window */
     attrib_set.event_mask = CLIENT_EVENTMASK;
     attrib_set.do_not_propagate_mask = CLIENT_NOPROPAGATEMASK;
@@ -300,7 +312,7 @@ void client_manage(Window window)
     client_setup_decor_and_functions(self, FALSE);
 
     /* tell startup notification that this app started */
-    map_time = sn_app_started(self->startup_id, self->class);
+    launch_time = sn_app_started(self->startup_id, self->class);
 
     /* do this after we have a frame.. it uses the frame to help determine the
        WM_STATE to apply. */
@@ -448,9 +460,18 @@ void client_manage(Window window)
     g_free(monitor);
     monitor = NULL;
 
+    ob_debug_type(OB_DEBUG_FOCUS, "Going to try activate new window? %s\n",
+                  activate ? "yes" : "no");
     if (activate) {
         gboolean raise = FALSE;
 
+        /* This is focus stealing prevention */
+        ob_debug_type(OB_DEBUG_FOCUS,
+                      "Want to focus new window 0x%x at time %u "
+                      "launched at %u (last user interaction time %u)\n",
+                      self->window, map_time, launch_time,
+                      event_last_user_time);
+
         if (menu_frame_visible || moveresize_in_progress) {
             activate = FALSE;
             raise = TRUE;
@@ -462,10 +483,10 @@ void client_manage(Window window)
 
         /* if it's on another desktop */
         else if (!(self->desktop == screen_desktop ||
-              self->desktop == DESKTOP_ALL) &&
-            /* the timestamp is from before you changed desktops */
-            map_time && screen_desktop_user_time &&
-            !event_time_after(map_time, screen_desktop_user_time))
+                   self->desktop == DESKTOP_ALL) &&
+                 /* the timestamp is from before you changed desktops */
+                 launch_time && screen_desktop_user_time &&
+                 !event_time_after(launch_time, screen_desktop_user_time))
         {
             activate = FALSE;
             raise = TRUE;
@@ -477,11 +498,21 @@ void client_manage(Window window)
         else if (focus_client && client_search_focus_tree_full(self) == NULL &&
                  client_search_focus_group_full(self) == NULL)
         {
-            /* If its a transient (and parents aren't focused) and the time
-               is ambiguous (either the current focus target doesn't have
-               a timestamp, or they are the same (we probably inherited it
-               from them) */
-            if (client_has_parent(self)) {
+            /* If the user is working in another window right now, then don't
+               steal focus */
+            if (event_last_user_time && launch_time &&
+                event_time_after(event_last_user_time, launch_time) &&
+                event_last_user_time != launch_time &&
+                event_time_after(event_last_user_time,
+                                 map_time - OB_EVENT_USER_TIME_DELAY))
+            {
+                activate = FALSE;
+                ob_debug_type(OB_DEBUG_FOCUS,
+                              "Not focusing the window because the user is "
+                              "working in another window\n");
+            }
+            /* If its a transient (and its parents aren't focused) */
+            else if (client_has_parent(self)) {
                 activate = FALSE;
                 ob_debug_type(OB_DEBUG_FOCUS,
                               "Not focusing the window because it is a "
@@ -507,9 +538,22 @@ void client_manage(Window window)
                               "Not focusing the window because another window "
                               "would get the focus anyway\n");
             }
+            else if (!(self->desktop == screen_desktop ||
+                       self->desktop == DESKTOP_ALL))
+            {
+                activate = FALSE;
+                raise = TRUE;
+                ob_debug_type(OB_DEBUG_FOCUS,
+                              "Not focusing the window because it is on "
+                              "another desktop and no relatives are focused ");
+            }
         }
 
         if (!activate) {
+            ob_debug_type(OB_DEBUG_FOCUS,
+                          "Focus stealing prevention activated for %s at "
+                          "time %u (last user interactioon time %u)\n",
+                          self->title, map_time, event_last_user_time);
             /* if the client isn't focused, then hilite it so the user
                knows it is there */
             client_hilite(self, TRUE);
@@ -562,6 +606,15 @@ void client_manage(Window window)
     /* update the list hints */
     client_set_list();
 
+    /* watch for when the application stops responding.  only do this for
+       normal windows, i.e. windows which have titlebars and close buttons 
+       and things like that.
+       we don't need to stop pinging on unmanage, because it will be handled
+       automatically by the destroy callback!
+    */
+    if (self->ping && client_normal(self))
+        ping_start(self, client_ping_event);
+
     /* free the ObAppSettings shallow copy */
     g_free(settings);
 
@@ -605,7 +658,7 @@ ObClient *client_fake_manage(Window window)
     return self;
 }
 
-void client_unmanage_all()
+void client_unmanage_all(void)
 {
     while (client_list != NULL)
         client_unmanage(client_list->data);
@@ -728,6 +781,11 @@ void client_unmanage(ObClient *self)
         XMapWindow(ob_display, self->window);
     }
 
+    /* these should not be left on the window ever.  other window managers
+       don't necessarily use them and it will mess them up (like compiz) */
+    PROP_ERASE(self->window, net_wm_visible_name);
+    PROP_ERASE(self->window, net_wm_visible_icon_name);
+
     /* update the list hints */
     client_set_list();
 
@@ -1203,7 +1261,7 @@ static void client_get_shaped(ObClient *self)
 {
     self->shaped = FALSE;
 #ifdef   SHAPE
-    if (extensions_shape) {
+    if (obt_display_extension_shape) {
         gint foo;
         guint ufoo;
         gint s;
@@ -1468,6 +1526,10 @@ void client_update_protocols(ObClient *self)
                 /* if this protocol is requested, then the window will be
                    notified whenever we want it to receive focus */
                 self->focus_notify = TRUE;
+            else if (proto[i] == prop_atoms.net_wm_ping)
+                /* if this protocol is requested, then the window will allow
+                   pings to determine if it is still alive */
+                self->ping = TRUE;
 #ifdef SYNC
             else if (proto[i] == prop_atoms.net_wm_sync_request)
                 /* if this protocol is requested, then resizing the
@@ -1492,7 +1554,7 @@ void client_update_sync_request_counter(ObClient *self)
 }
 #endif
 
-void client_get_colormap(ObClient *self)
+static void client_get_colormap(ObClient *self)
 {
     XWindowAttributes wa;
 
@@ -1602,11 +1664,16 @@ void client_setup_decor_and_functions(ObClient *self, gboolean reconfig)
     switch (self->type) {
     case OB_CLIENT_TYPE_NORMAL:
         /* normal windows retain all of the possible decorations and
-           functionality, and are the only windows that you can fullscreen */
+           functionality, and can be fullscreen */
         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
         break;
 
     case OB_CLIENT_TYPE_DIALOG:
+        /* sometimes apps make dialog windows fullscreen for some reason (for
+           e.g. kpdf does this..) */
+        self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
+        break;
+
     case OB_CLIENT_TYPE_UTILITY:
         /* these windows don't have anything added or removed by default */
         break;
@@ -1899,6 +1966,15 @@ void client_update_title(ObClient *self)
     } else
         visible = data;
 
+    if (self->not_responding) {
+        data = visible;
+        if (self->close_tried_term)
+            visible = g_strdup_printf("%s - [%s]", data, _("Killing..."));
+        else
+            visible = g_strdup_printf("%s - [%s]", data, _("Not Responding"));
+        g_free(data);
+    }
+
     PROP_SETS(self->window, net_wm_visible_name, visible);
     self->title = visible;
 
@@ -1922,6 +1998,15 @@ void client_update_title(ObClient *self)
     } else
         visible = data;
 
+    if (self->not_responding) {
+        data = visible;
+        if (self->close_tried_term)
+            visible = g_strdup_printf("%s - [%s]", data, _("Killing..."));
+        else
+            visible = g_strdup_printf("%s - [%s]", data, _("Not Responding"));
+        g_free(data);
+    }
+
     PROP_SETS(self->window, net_wm_visible_icon_name, visible);
     self->icon_title = visible;
 }
@@ -2038,7 +2123,7 @@ void client_update_icons(ObClient *self)
             if (hints->flags & IconPixmapHint) {
                 self->nicons = 1;
                 self->icons = g_new(ObClientIcon, self->nicons);
-                xerror_set_ignore(TRUE);
+                obt_display_ignore_errors(ob_display, TRUE);
                 if (!RrPixmapToRGBA(ob_rr_inst,
                                     hints->icon_pixmap,
                                     (hints->flags & IconMaskHint ?
@@ -2050,7 +2135,7 @@ void client_update_icons(ObClient *self)
                     g_free(self->icons);
                     self->nicons = 0;
                 }
-                xerror_set_ignore(FALSE);
+                obt_display_ignore_errors(ob_display, FALSE);
             }
             XFree(hints);
         }
@@ -2182,6 +2267,7 @@ static void client_get_session_ids(ObClient *self)
 
     if (got) {
         gchar localhost[128];
+        guint32 pid;
 
         gethostname(localhost, 127);
         localhost[127] = '\0';
@@ -2189,6 +2275,11 @@ static void client_get_session_ids(ObClient *self)
             self->client_machine = s;
         else
             g_free(s);
+
+        /* see if it has the PID set too (the PID requires that the
+           WM_CLIENT_MACHINE be set) */
+        if (PROP_GET32(self->window, net_wm_pid, cardinal, &pid))
+            self->pid = pid;
     }
 }
 
@@ -3118,41 +3209,58 @@ void client_shade(ObClient *self, gboolean shade)
     frame_adjust_area(self->frame, FALSE, TRUE, FALSE);
 }
 
-void client_close(ObClient *self)
+static void client_ping_event(ObClient *self, gboolean dead)
 {
-    XEvent ce;
+    self->not_responding = dead;
+    client_update_title(self);
+
+    if (!dead) {
+        /* try kill it nicely the first time again, if it started responding
+           at some point */
+        self->close_tried_term = FALSE;
+    }
+}
 
+void client_close(ObClient *self)
+{
     if (!(self->functions & OB_CLIENT_FUNC_CLOSE)) return;
 
     /* in the case that the client provides no means to requesting that it
        close, we just kill it */
     if (!self->delete_window)
+        /* don't use client_kill(), we should only kill based on PID in
+           response to a lack of PING replies */
+        XKillClient(ob_display, self->window);
+    else if (self->not_responding)
         client_kill(self);
-
-    /*
-      XXX: itd be cool to do timeouts and shit here for killing the client's
-      process off
-      like... if the window is around after 5 seconds, then the close button
-      turns a nice red, and if this function is called again, the client is
-      explicitly killed.
-    */
-
-    ce.xclient.type = ClientMessage;
-    ce.xclient.message_type =  prop_atoms.wm_protocols;
-    ce.xclient.display = ob_display;
-    ce.xclient.window = self->window;
-    ce.xclient.format = 32;
-    ce.xclient.data.l[0] = prop_atoms.wm_delete_window;
-    ce.xclient.data.l[1] = event_curtime;
-    ce.xclient.data.l[2] = 0l;
-    ce.xclient.data.l[3] = 0l;
-    ce.xclient.data.l[4] = 0l;
-    XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
+    else
+        /* request the client to close with WM_DELETE_WINDOW */
+        PROP_MSG_TO(self->window, self->window, wm_protocols,
+                    prop_atoms.wm_delete_window, event_curtime, 0, 0, 0,
+                    NoEventMask);
 }
 
 void client_kill(ObClient *self)
 {
-    XKillClient(ob_display, self->window);
+    if (!self->client_machine && self->pid) {
+        /* running on the local host */
+        if (!self->close_tried_term) {
+            ob_debug("killing window 0x%x with pid %lu, with SIGTERM\n",
+                     self->window, self->pid);
+            kill(self->pid, SIGTERM);
+            self->close_tried_term = TRUE;
+
+            /* show that we're trying to kill it */
+            client_update_title(self);
+        }
+        else {
+            ob_debug("killing window 0x%x with pid %lu, with SIGKILL\n",
+                     self->window, self->pid);
+            kill(self->pid, SIGKILL); /* kill -9 */
+        }
+    }
+    else
+        XKillClient(ob_display, self->window);
 }
 
 void client_hilite(ObClient *self, gboolean hilite)
@@ -3171,10 +3279,10 @@ void client_hilite(ObClient *self, gboolean hilite)
     }
 }
 
-void client_set_desktop_recursive(ObClient *self,
-                                  guint target,
-                                  gboolean donthide,
-                                  gboolean dontraise)
+static void client_set_desktop_recursive(ObClient *self,
+                                         guint target,
+                                         gboolean donthide,
+                                         gboolean dontraise)
 {
     guint old;
     GSList *it;
@@ -3503,8 +3611,7 @@ gboolean client_focus(ObClient *self)
     */
     event_cancel_all_key_grabs();
 
-    xerror_set_ignore(TRUE);
-    xerror_occured = FALSE;
+    obt_display_ignore_errors(ob_display, TRUE);
 
     if (self->can_focus) {
         /* This can cause a BadMatch error with CurrentTime, or if an app
@@ -3528,10 +3635,11 @@ gboolean client_focus(ObClient *self)
         XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
     }
 
-    xerror_set_ignore(FALSE);
+    obt_display_ignore_errors(ob_display, FALSE);
 
-    ob_debug_type(OB_DEBUG_FOCUS, "Error focusing? %d\n", xerror_occured);
-    return !xerror_occured;
+    ob_debug_type(OB_DEBUG_FOCUS, "Error focusing? %d\n",
+                  obt_display_error_occured);
+    return !obt_display_error_occured;
 }
 
 static void client_present(ObClient *self, gboolean here, gboolean raise,
@@ -3773,7 +3881,7 @@ static void detect_edge(Rect area, ObDirection dir,
     gint edge_start, edge_size, head, tail;
     gboolean skip_head = FALSE, skip_tail = FALSE;
 
-    switch(dir) {
+    switch (dir) {
         case OB_DIRECTION_NORTH:
         case OB_DIRECTION_SOUTH:
             edge_start = area.x;
@@ -3793,7 +3901,7 @@ static void detect_edge(Rect area, ObDirection dir,
                 edge_start, edge_size))
         return;
 
-    switch(dir) {
+    switch (dir) {
         case OB_DIRECTION_NORTH:
             head = RECT_BOTTOM(area);
             tail = RECT_TOP(area);
@@ -3802,38 +3910,54 @@ static void detect_edge(Rect area, ObDirection dir,
             head = RECT_TOP(area);
             tail = RECT_BOTTOM(area);
             break;
-        case OB_DIRECTION_EAST:
-            head = RECT_LEFT(area);
-            tail = RECT_RIGHT(area);
-            break;
         case OB_DIRECTION_WEST:
             head = RECT_RIGHT(area);
             tail = RECT_LEFT(area);
             break;
+        case OB_DIRECTION_EAST:
+            head = RECT_LEFT(area);
+            tail = RECT_RIGHT(area);
+            break;
         default:
             g_assert_not_reached();
     }
-    switch(dir) {
+    switch (dir) {
         case OB_DIRECTION_NORTH:
         case OB_DIRECTION_WEST:
+            /* check if our window is past the head of this window */
             if (my_head <= head + 1)
                 skip_head = TRUE;
+            /* check if our window's tail is past the tail of this window */
             if (my_head + my_size - 1 <= tail)
                 skip_tail = TRUE;
-            if (head < *dest)
+            /* check if the head of this window is closer than the previously
+               chosen edge (take into account that the previously chosen
+               edge might have been a tail, not a head) */
+            if (head + (*near_edge ? 0 : my_size) < *dest)
                 skip_head = TRUE;
-            if (tail - my_size < *dest)
+            /* check if the tail of this window is closer than the previously
+               chosen edge (take into account that the previously chosen
+               edge might have been a head, not a tail) */
+            if (tail - (!*near_edge ? 0 : my_size) < *dest)
                 skip_tail = TRUE;
             break;
         case OB_DIRECTION_SOUTH:
         case OB_DIRECTION_EAST:
+            /* check if our window is past the head of this window */
             if (my_head >= head - 1)
                 skip_head = TRUE;
+            /* check if our window's tail is past the tail of this window */
             if (my_head - my_size + 1 >= tail)
                 skip_tail = TRUE;
-            if (head > *dest)
+            /* check if the head of this window is closer than the previously
+               chosen edge (take into account that the previously chosen
+               edge might have been a tail, not a head) */
+            if (head - (*near_edge ? 0 : my_size) > *dest)
                 skip_head = TRUE;
-            if (tail + my_size > *dest)
+            /* check if the tail of this window is closer than the previously
+               chosen edge (take into account that the previously chosen
+               edge might have been a head, not a tail) */
+            if (tail + (!*near_edge ? 0 : my_size) > *dest)
                 skip_tail = TRUE;
             break;
         default:
@@ -3852,7 +3976,6 @@ static void detect_edge(Rect area, ObDirection dir,
         *dest = tail;
         *near_edge = FALSE;
     }
-
 }
 
 void client_find_edge_directional(ObClient *self, ObDirection dir,
@@ -3870,7 +3993,7 @@ void client_find_edge_directional(ObClient *self, ObDirection dir,
     mon = screen_area(self->desktop, SCREEN_AREA_ONE_MONITOR,
                       &self->frame->area);
 
-    switch(dir) {
+    switch (dir) {
     case OB_DIRECTION_NORTH:
         if (my_head >= RECT_TOP(*mon) + 1)
             edge = RECT_TOP(*mon) - 1;
@@ -3902,7 +4025,7 @@ void client_find_edge_directional(ObClient *self, ObDirection dir,
     *dest = edge;
     *near_edge = TRUE;
 
-    for(it = client_list; it; it = g_list_next(it)) {
+    for (it = client_list; it; it = g_list_next(it)) {
         ObClient *cur = it->data;
 
         /* skip windows to not bump into */
@@ -3922,6 +4045,8 @@ void client_find_edge_directional(ObClient *self, ObDirection dir,
     dock_get_area(&dock_area);
     detect_edge(dock_area, dir, my_head, my_size, my_edge_start,
                 my_edge_size, dest, near_edge);
+    g_free(a);
+    g_free(mon);
 }
 
 void client_find_move_directional(ObClient *self, ObDirection dir,
@@ -4072,7 +4197,7 @@ void client_find_resize_directional(ObClient *self, ObDirection side,
     *h -= self->frame->size.top + self->frame->size.bottom;
 }
 
-ObClient* client_under_pointer()
+ObClient* client_under_pointer(void)
 {
     gint x, y;
     GList *it;