]> Dogcows Code - chaz/openbox/blobdiff - openbox/client.c
track window groups
[chaz/openbox] / openbox / client.c
index 8d1cc03449d3df97b9461ff4f729b2ed4229648d..2c6082bd408667f99d492383ae5989d05507f73e 100644 (file)
@@ -9,6 +9,7 @@
 #include "focus.h"
 #include "stacking.h"
 #include "dispatch.h"
+#include "group.h"
 
 #include <glib.h>
 #include <X11/Xutil.h>
 #define CLIENT_NOPROPAGATEMASK (ButtonPressMask | ButtonReleaseMask | \
                                ButtonMotionMask)
 
-GSList     *client_list      = NULL;
+GList      *client_list      = NULL;
 GHashTable *client_map       = NULL;
 
+static Window *client_startup_stack_order = NULL;
+static gulong  client_startup_stack_size = 0;
+
 static void client_get_all(Client *self);
 static void client_toggle_border(Client *self, gboolean show);
 static void client_get_area(Client *self);
@@ -38,13 +42,18 @@ static Client *search_focus_tree(Client *node, Client *skip);
 static void client_apply_startup_state(Client *self);
 static Client *search_modal_tree(Client *node, Client *skip);
 
-static guint map_hash(Window w) { return w; }
-static gboolean map_key_comp(Window w1, Window w2) { return w1 == w2; }
+static guint map_hash(Window *w) { return *w; }
+static gboolean map_key_comp(Window *w1, Window *w2) { return *w1 == *w2; }
 
 void client_startup()
 {
     client_map = g_hash_table_new((GHashFunc)map_hash,
                                  (GEqualFunc)map_key_comp);
+
+    /* save the stacking order on startup! */
+    PROP_GET32U(ob_root, net_client_list_stacking, window,
+                client_startup_stack_order, client_startup_stack_size);
+
     client_set_list();
 }
 
@@ -56,8 +65,8 @@ void client_shutdown()
 void client_set_list()
 {
     Window *windows, *win_it;
-    GSList *it;
-    guint size = g_slist_length(client_list);
+    GList *it;
+    guint size = g_list_length(client_list);
 
     /* create an array of the window ids */
     if (size > 0) {
@@ -112,6 +121,24 @@ void client_manage_all()
        }
     }
     XFree(children);
+
+    /* stack them as they were on startup!
+       why with stacking_lower? Why, because then windows who aren't in the
+       stacking list are on the top where you can see them instead of buried
+       at the bottom! */
+    for (i = client_startup_stack_size; i > 0; --i) {
+        Client *c;
+
+        w = client_startup_stack_order[i-1];
+        c = g_hash_table_lookup(client_map, &w);
+        if (c) stacking_lower(c);
+    }
+    g_free(client_startup_stack_order);
+    client_startup_stack_order = NULL;
+    client_startup_stack_size = 0;
+
+    if (focus_new)
+        focus_fallback(FALSE);
 }
 
 void client_manage(Window window)
@@ -184,10 +211,10 @@ void client_manage(Window window)
 
     grab_server(FALSE);
      
-    client_list = g_slist_append(client_list, client);
+    client_list = g_list_append(client_list, client);
     stacking_list = g_list_append(stacking_list, client);
-    g_assert(!g_hash_table_lookup(client_map, (gpointer)client->window));
-    g_hash_table_insert(client_map, (gpointer)window, client);
+    g_assert(!g_hash_table_lookup(client_map, &client->window));
+    g_hash_table_insert(client_map, &client->window, client);
 
     /* update the focus lists */
     if (client->desktop == DESKTOP_ALL) {
@@ -208,10 +235,13 @@ void client_manage(Window window)
 
     dispatch_client(Event_Client_Mapped, client, 0, 0);
 
+    if (ob_state != State_Starting && focus_new)
+        client_focus(client);
+
     /* update the list hints */
     client_set_list();
 
-    g_message("Managed window 0x%lx", window);
+/*    g_message("Managed window 0x%lx", window);*/
 }
 
 void client_unmanage_all()
@@ -226,7 +256,7 @@ void client_unmanage(Client *client)
     int j;
     GSList *it;
 
-    g_message("Unmanaging window: %lx", client->window);
+/*    g_message("Unmanaging window: %lx", client->window);*/
 
     dispatch_client(Event_Client_Destroy, client, 0, 0);
     g_assert(client != NULL);
@@ -239,20 +269,9 @@ void client_unmanage(Client *client)
 
     engine_frame_hide(client->frame);
 
-    /* dispatch the unmapped event */
-    dispatch_client(Event_Client_Unmapped, client, 0, 0);
-    g_assert(client != NULL);
-
-    /* give the client its border back */
-    client_toggle_border(client, TRUE);
-
-    /* reparent the window out of the frame, and free the frame */
-    engine_frame_release_client(client->frame, client);
-    client->frame = NULL;
-     
-    client_list = g_slist_remove(client_list, client);
+    client_list = g_list_remove(client_list, client);
     stacking_list = g_list_remove(stacking_list, client);
-    g_hash_table_remove(client_map, (gpointer)client->window);
+    g_hash_table_remove(client_map, &client->window);
 
     /* update the focus lists */
     if (client->desktop == DESKTOP_ALL) {
@@ -278,11 +297,17 @@ void client_unmanage(Client *client)
        client_calc_layer(it->data);
     }
 
-    /* unfocus the client (dispatchs the focus event) (we're out of the
-     transient lists already, so being modal doesn't matter) */
-    if (client_focused(client))
-       client_unfocus(client);
+    /* dispatch the unmapped event */
+    dispatch_client(Event_Client_Unmapped, client, 0, 0);
+    g_assert(client != NULL);
+
+    /* give the client its border back */
+    client_toggle_border(client, TRUE);
 
+    /* reparent the window out of the frame, and free the frame */
+    engine_frame_release_client(client->frame, client);
+    client->frame = NULL;
+     
     if (ob_state != State_Exiting) {
        /* these values should not be persisted across a window
           unmapping/mapping */
@@ -295,6 +320,10 @@ void client_unmanage(Client *client)
            XMapWindow(ob_display, client->window);
     }
 
+    /* remoev from its group */
+    if (client->group)
+        group_remove(client->group, client);
+
     /* free all data allocated in the client struct */
     g_slist_free(client->transients);
     for (j = 0; j < client->nicons; ++j)
@@ -396,7 +425,7 @@ static void client_get_all(Client *self)
     self->urgent = FALSE;
     self->positioned = FALSE;
     self->disabled_decorations = 0;
-    self->group = None;
+    self->group = NULL;
     self->nicons = 0;
 
     client_get_area(self);
@@ -528,7 +557,7 @@ void client_update_transient_for(Client *self)
     if (XGetTransientForHint(ob_display, self->window, &t) &&
        t != self->window) { /* cant be transient to itself! */
        self->transient = TRUE;
-       c = g_hash_table_lookup(client_map, (gpointer)t);
+       c = g_hash_table_lookup(client_map, &t);
        g_assert(c != self);/* if this happens then we need to check for it*/
 
        if (!c /*XXX: && _group*/) {
@@ -674,7 +703,7 @@ void client_update_normal_hints(Client *self)
 
     /* get the hints from the window */
     if (XGetWMNormalHints(ob_display, self->window, &size, &ret)) {
-       self->positioned = (size.flags & (PPosition|USPosition));
+       self->positioned = !!(size.flags & (PPosition|USPosition));
 
        if (size.flags & PWinGravity) {
            self->gravity = size.win_gravity;
@@ -715,7 +744,8 @@ void client_setup_decor_and_functions(Client *self)
 {
     /* start with everything (cept fullscreen) */
     self->decorations = Decor_Titlebar | Decor_Handle | Decor_Border |
-       Decor_Icon | Decor_AllDesktops | Decor_Iconify | Decor_Maximize;
+       Decor_Icon | Decor_AllDesktops | Decor_Iconify | Decor_Maximize |
+        Decor_Shade;
     self->functions = Func_Resize | Func_Move | Func_Iconify | Func_Maximize |
        Func_Shade;
     if (self->delete_window) {
@@ -794,7 +824,7 @@ void client_setup_decor_and_functions(Client *self)
 
     /* can't maximize without moving/resizing */
     if (!((self->functions & Func_Move) && (self->functions & Func_Resize)))
-       self->functions &= ~Func_Maximize;
+       self->functions &= ~(Func_Maximize | Func_Fullscreen);
 
     /* finally, user specified disabled decorations are applied to subtract
        decorations */
@@ -810,6 +840,8 @@ void client_setup_decor_and_functions(Client *self)
        self->decorations &= ~Decor_Maximize;
     if (self->disabled_decorations & Decor_AllDesktops)
        self->decorations &= ~Decor_AllDesktops;
+    if (self->disabled_decorations & Decor_Shade)
+       self->decorations &= ~Decor_Shade;
     if (self->disabled_decorations & Decor_Close)
        self->decorations &= ~Decor_Close;
 
@@ -822,7 +854,7 @@ void client_setup_decor_and_functions(Client *self)
     if (self->frame) {
        /* change the decors on the frame, and with more/less decorations,
            we may also need to be repositioned */
-       engine_frame_adjust_area(self->frame);
+       engine_frame_adjust_area(self->frame, TRUE, TRUE);
        /* with new decor, the window's maximized size may change */
        client_remaximize(self);
     }
@@ -861,6 +893,7 @@ static void client_change_allowed_actions(Client *self)
        else self->shaded = FALSE;
     }
     if (!(self->functions & Func_Iconify) && self->iconic) {
+        g_message("UNSETTING ICONIC");
        if (self->frame) client_iconify(self, FALSE, TRUE);
        else self->iconic = FALSE;
     }
@@ -902,18 +935,22 @@ void client_update_wmhints(Client *self)
        if (hints->flags & InputHint)
            self->can_focus = hints->input;
 
-       /* only do this when starting! */
-       if (ob_state == State_Starting && (hints->flags & StateHint))
-           self->iconic = hints->initial_state == IconicState;
+       /* only do this when first managing the window *AND* when we aren't
+           starting up! */
+       if (ob_state != State_Starting && self->frame == NULL)
+            if (hints->flags & StateHint)
+                self->iconic = hints->initial_state == IconicState;
 
        if (hints->flags & XUrgencyHint)
            ur = TRUE;
 
        if (hints->flags & WindowGroupHint) {
-           if (hints->window_group != self->group) {
-               /* XXX: remove from the old group if there was one */
-               self->group = hints->window_group;
-               /* XXX: do stuff with the group */
+           if (hints->window_group !=
+                (self->group ? self->group->leader : None)) {
+               /* remove from the old group if there was one */
+                if (self->group != NULL)
+                    group_remove(self->group, self);
+               self->group = group_add(hints->window_group, self);
            }
        } else /* no group! */
            self->group = None;
@@ -938,7 +975,7 @@ void client_update_wmhints(Client *self)
 
     if (ur != self->urgent) {
        self->urgent = ur;
-       g_message("Urgent Hint for 0x%lx: %s\n", self->window,
+       g_message("Urgent Hint for 0x%lx: %s", self->window,
                  ur ? "ON" : "OFF");
        /* fire the urgent callback if we're mapped, otherwise, wait until
           after we're mapped */
@@ -1050,7 +1087,7 @@ void client_update_strut(Client *self)
     gulong *data;
 
     if (PROP_GET32A(self->window, net_wm_strut, cardinal, data, 4)) {
-       STRUT_SET(self->strut, data[0], data[1], data[2], data[3]);
+       STRUT_SET(self->strut, data[0], data[2], data[1], data[3]);
        g_free(data);
     } else
        STRUT_SET(self->strut, 0, 0, 0, 0);
@@ -1090,8 +1127,8 @@ void client_update_icons(Client *self)
        /* store the icons */
        i = 0;
        for (j = 0; j < self->nicons; ++j) {
-           w = self->icons[j].w = data[i++];
-           h = self->icons[j].h = data[i++];
+           w = self->icons[j].width = data[i++];
+           h = self->icons[j].height = data[i++];
            self->icons[j].data =
                g_memdup(&data[i], w * h * sizeof(gulong));
            i += w * h;
@@ -1101,11 +1138,6 @@ void client_update_icons(Client *self)
        g_free(data);
     }
 
-    if (self->nicons <= 0) {
-       self->nicons = 1;
-       self->icons = g_new0(Icon, 1);
-    }
-
     if (self->frame)
        engine_frame_adjust_icon(self->frame);
 }
@@ -1286,6 +1318,11 @@ void client_configure(Client *self, Corner anchor, int x, int y, int w, int h,
 {
     gboolean moved = FALSE, resized = FALSE;
 
+    /* gets the frame's position */
+    frame_client_gravity(self->frame, &x, &y);
+
+    /* these positions are frame positions, not client positions */
+
     /* set the size and position if fullscreen */
     if (self->fullscreen) {
        x = 0;
@@ -1296,74 +1333,85 @@ void client_configure(Client *self, Corner anchor, int x, int y, int w, int h,
         /* set the size and position if maximized */
         if (self->max_horz) {
             x = screen_area(self->desktop)->x - self->frame->size.left;
-            w = screen_area(self->desktop)->x +
-                screen_area(self->desktop)->width;
+            w = screen_area(self->desktop)->width;
         }
         if (self->max_vert) {
             y = screen_area(self->desktop)->y;
-            h = screen_area(self->desktop)->y +
-                screen_area(self->desktop)->height -
+            h = screen_area(self->desktop)->height -
                 self->frame->size.top - self->frame->size.bottom;
         }
     }
 
-    if (x == self->area.x && y == self->area.y && w == self->area.width &&
-        h == self->area.height)
-        return; /* no change */
-
-    w -= self->base_size.width;
-    h -= self->base_size.height;
+    /* gets the client's position */
+    frame_frame_gravity(self->frame, &x, &y);
 
+    /* these override the above states! if you cant move you can't move! */
     if (user) {
-       /* for interactive resizing. have to move half an increment in each
-          direction. */
-
-       /* how far we are towards the next size inc */
-       int mw = w % self->size_inc.width; 
-       int mh = h % self->size_inc.height;
-       /* amount to add */
-       int aw = self->size_inc.width / 2;
-       int ah = self->size_inc.height / 2;
-       /* don't let us move into a new size increment */
-       if (mw + aw >= self->size_inc.width)
-           aw = self->size_inc.width - mw - 1;
-       if (mh + ah >= self->size_inc.height)
-           ah = self->size_inc.height - mh - 1;
-       w += aw;
-       h += ah;
-    
-       /* if this is a user-requested resize, then check against min/max
-          sizes and aspect ratios */
-
-       /* smaller than min size or bigger than max size? */
-       if (w > self->max_size.width) w = self->max_size.width;
-       if (w < self->min_size.width) w = self->min_size.width;
-       if (h > self->max_size.height) h = self->max_size.height;
-       if (h < self->min_size.height) h = self->min_size.height;
-
-       /* adjust the height ot match the width for the aspect ratios */
-       if (self->min_ratio)
-           if (h * self->min_ratio > w) h = (int)(w / self->min_ratio);
-       if (self->max_ratio)
-           if (h * self->max_ratio < w) h = (int)(w / self->max_ratio);
+        if (!(self->functions & Func_Move)) {
+            x = self->area.x;
+            y = self->area.y;
+        }
+        if (!(self->functions & Func_Resize)) {
+            w = self->area.width;
+            h = self->area.height;
+        }
     }
 
-    /* keep to the increments */
-    w /= self->size_inc.width;
-    h /= self->size_inc.height;
+    if (!(w == self->area.width && h == self->area.height)) {
+        w -= self->base_size.width;
+        h -= self->base_size.height;
+
+        if (user) {
+            /* for interactive resizing. have to move half an increment in each
+               direction. */
+
+            /* how far we are towards the next size inc */
+            int mw = w % self->size_inc.width; 
+            int mh = h % self->size_inc.height;
+            /* amount to add */
+            int aw = self->size_inc.width / 2;
+            int ah = self->size_inc.height / 2;
+            /* don't let us move into a new size increment */
+            if (mw + aw >= self->size_inc.width)
+                aw = self->size_inc.width - mw - 1;
+            if (mh + ah >= self->size_inc.height)
+                ah = self->size_inc.height - mh - 1;
+            w += aw;
+            h += ah;
+    
+            /* if this is a user-requested resize, then check against min/max
+               sizes and aspect ratios */
+
+            /* smaller than min size or bigger than max size? */
+            if (w > self->max_size.width) w = self->max_size.width;
+            if (w < self->min_size.width) w = self->min_size.width;
+            if (h > self->max_size.height) h = self->max_size.height;
+            if (h < self->min_size.height) h = self->min_size.height;
+
+            /* adjust the height ot match the width for the aspect ratios */
+            if (self->min_ratio)
+                if (h * self->min_ratio > w) h = (int)(w / self->min_ratio);
+            if (self->max_ratio)
+                if (h * self->max_ratio < w) h = (int)(w / self->max_ratio);
+        }
+
+        /* keep to the increments */
+        w /= self->size_inc.width;
+        h /= self->size_inc.height;
 
-    /* you cannot resize to nothing */
-    if (w < 1) w = 1;
-    if (h < 1) h = 1;
+        /* you cannot resize to nothing */
+        if (w < 1) w = 1;
+        if (h < 1) h = 1;
   
-    /* store the logical size */
-    SIZE_SET(self->logical_size, w, h);
+        /* store the logical size */
+        SIZE_SET(self->logical_size, w, h);
 
-    w *= self->size_inc.width;
-    h *= self->size_inc.height;
+        w *= self->size_inc.width;
+        h *= self->size_inc.height;
 
-    w += self->base_size.width;
-    h += self->base_size.height;
+        w += self->base_size.width;
+        h += self->base_size.height;
+    }
 
     switch (anchor) {
     case Corner_TopLeft:
@@ -1390,30 +1438,29 @@ void client_configure(Client *self, Corner anchor, int x, int y, int w, int h,
 
     /* move/resize the frame to match the request */
     if (self->frame) {
-        engine_frame_adjust_area(self->frame);
-
-       if (moved) {
-           if (!user || final) {
-               XEvent event;
-               event.type = ConfigureNotify;
-               event.xconfigure.display = ob_display;
-               event.xconfigure.event = self->window;
-               event.xconfigure.window = self->window;
+        if (moved || resized)
+            engine_frame_adjust_area(self->frame, moved, resized);
+
+        if (!user || final) {
+            XEvent event;
+            event.type = ConfigureNotify;
+            event.xconfigure.display = ob_display;
+            event.xconfigure.event = self->window;
+            event.xconfigure.window = self->window;
     
-               /* root window coords with border in mind */
-               event.xconfigure.x = x - self->border_width +
-                   self->frame->size.left;
-               event.xconfigure.y = y - self->border_width +
-                   self->frame->size.top;
+            /* root window coords with border in mind */
+            event.xconfigure.x = x - self->border_width +
+                self->frame->size.left;
+            event.xconfigure.y = y - self->border_width +
+                self->frame->size.top;
     
-               event.xconfigure.width = self->area.width;
-               event.xconfigure.height = self->area.height;
-               event.xconfigure.border_width = self->border_width;
-               event.xconfigure.above = self->frame->plate;
-               event.xconfigure.override_redirect = FALSE;
-               XSendEvent(event.xconfigure.display, event.xconfigure.window,
-                          FALSE, StructureNotifyMask, &event);
-           }
+            event.xconfigure.width = self->area.width;
+            event.xconfigure.height = self->area.height;
+            event.xconfigure.border_width = self->border_width;
+            event.xconfigure.above = self->frame->plate;
+            event.xconfigure.override_redirect = FALSE;
+            XSendEvent(event.xconfigure.display, event.xconfigure.window,
+                       FALSE, StructureNotifyMask, &event);
        }
     }
 }
@@ -1504,13 +1551,24 @@ void client_iconify(Client *self, gboolean iconic, gboolean curdesk)
        XUnmapWindow(ob_display, self->window);
     } else {
        if (curdesk)
-           client_set_desktop(self, screen_desktop);
+           client_set_desktop(self, screen_desktop, FALSE);
        self->wmstate = self->shaded ? IconicState : NormalState;
        XMapWindow(ob_display, self->window);
     }
     client_change_state(self);
     client_showhide(self);
     screen_update_struts();
+
+    dispatch_client(iconic ? Event_Client_Unmapped : Event_Client_Mapped,
+                    self, 0, 0);
+
+    /* iconify all transients */
+    if (self->transients) {
+        GSList *it;
+
+        for (it = self->transients; it != NULL; it = it->next)
+            if (it->data != self) client_iconify(it->data, iconic, curdesk);
+    }
 }
 
 void client_maximize(Client *self, gboolean max, int dir, gboolean savearea)
@@ -1565,13 +1623,6 @@ void client_maximize(Client *self, gboolean max, int dir, gboolean savearea)
            PROP_SET32A(self->window, openbox_premax, cardinal,
                        dimensions, 4);
        }
-
-        /* pass the client's current position info. the client_configure
-           will move/size stuff as appropriate for a maximized window */
-        x = self->area.x;
-        y = self->area.y;
-        w = self->area.width;
-        h = self->area.height;
     } else {
        long *dimensions;
 
@@ -1618,7 +1669,7 @@ void client_maximize(Client *self, gboolean max, int dir, gboolean savearea)
 
 void client_shade(Client *self, gboolean shade)
 {
-    if (!(self->functions & Func_Shade) || /* can't */
+    if ((!(self->functions & Func_Shade) && shade) || /* can't shade */
        self->shaded == shade) return;     /* already done */
 
     /* when we're iconic, don't change the wmstate */
@@ -1627,7 +1678,7 @@ void client_shade(Client *self, gboolean shade)
     self->shaded = shade;
     client_change_state(self);
     /* resize the frame to just the titlebar */
-    engine_frame_adjust_area(self->frame);
+    engine_frame_adjust_area(self->frame, FALSE, FALSE);
 }
 
 void client_close(Client *self)
@@ -1650,7 +1701,7 @@ void client_close(Client *self)
     ce.xclient.window = self->window;
     ce.xclient.format = 32;
     ce.xclient.data.l[0] = prop_atoms.wm_delete_window;
-    ce.xclient.data.l[1] = CurrentTime;
+    ce.xclient.data.l[1] = event_lasttime;
     ce.xclient.data.l[2] = 0l;
     ce.xclient.data.l[3] = 0l;
     ce.xclient.data.l[4] = 0l;
@@ -1662,13 +1713,13 @@ void client_kill(Client *self)
     XKillClient(ob_display, self->window);
 }
 
-void client_set_desktop(Client *self, guint target)
+void client_set_desktop(Client *self, guint target, gboolean donthide)
 {
     guint old, i;
 
     if (target == self->desktop) return;
   
-    g_message("Setting desktop %u\n", target);
+    g_message("Setting desktop %u", target);
 
     g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
 
@@ -1678,19 +1729,31 @@ void client_set_desktop(Client *self, guint target)
     /* the frame can display the current desktop state */
     engine_frame_adjust_state(self->frame);
     /* 'move' the window to the new desktop */
-    client_showhide(self);
+    if (!donthide)
+        client_showhide(self);
+    /* raise if it was not already on the desktop */
+    if (old != DESKTOP_ALL)
+        stacking_raise(self);
     screen_update_struts();
 
     /* update the focus lists */
     if (old == DESKTOP_ALL) {
         for (i = 0; i < screen_num_desktops; ++i)
             focus_order[i] = g_list_remove(focus_order[i], self);
-        focus_order[target] = g_list_prepend(focus_order[target], self);
-    } else {
+    } else
         focus_order[old] = g_list_remove(focus_order[old], self);
-        if (target == DESKTOP_ALL)
-            for (i = 0; i < screen_num_desktops; ++i)
+    if (target == DESKTOP_ALL) {
+        for (i = 0; i < screen_num_desktops; ++i) {
+            if (focus_new)
                 focus_order[i] = g_list_prepend(focus_order[i], self);
+            else
+                focus_order[i] = g_list_append(focus_order[i], self);
+        }
+    } else {
+        if (focus_new)
+            focus_order[target] = g_list_prepend(focus_order[target], self);
+        else
+            focus_order[target] = g_list_append(focus_order[target], self);
     }
 
     dispatch_client(Event_Client_Desktop, self, target, old);
@@ -1868,20 +1931,32 @@ void client_set_state(Client *self, Atom action, long data1, long data2)
     client_change_state(self); /* change the hint to relect these changes */
 }
 
-gboolean client_focus(Client *self)
+Client *client_focus_target(Client *self)
 {
-    XEvent ev;
     Client *child;
      
     /* if we have a modal child, then focus it, not us */
     child = client_find_modal_child(self);
-    if (child)
-       return client_focus(child);
+    if (child) return child;
+    return self;
+}
 
+gboolean client_focusable(Client *self)
+{
     /* won't try focus if the client doesn't want it, or if the window isn't
        visible on the screen */
-    if (!(self->frame->visible &&
-         (self->can_focus || self->focus_notify)))
+    return self->frame->visible &&
+        (self->can_focus || self->focus_notify);
+}
+
+gboolean client_focus(Client *self)
+{
+    XEvent ev;
+
+    /* choose the correct target */
+    self = client_focus_target(self);
+
+    if (!client_focusable(self))
        return FALSE;
 
     /* do a check to see if the window has already been unmapped or destroyed
@@ -1902,11 +1977,12 @@ gboolean client_focus(Client *self)
        }
     }
 
-    if (client_focused(self))
-        return TRUE;
-
     if (self->can_focus)
-       XSetInputFocus(ob_display, self->window, RevertToNone, CurrentTime);
+        /* RevertToPointerRoot causes much more headache than TevertToNone, so
+           I choose to use it always, hopefully to find errors quicker, if any
+           are left. (I hate X. I hate focus events.) */
+       XSetInputFocus(ob_display, self->window, RevertToPointerRoot,
+                       event_lasttime);
 
     if (self->focus_notify) {
        XEvent ce;
@@ -1923,16 +1999,48 @@ gboolean client_focus(Client *self)
        XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
     }
 
-    /* XSync(ob_display, FALSE); XXX Why sync? */
+    g_message("focusing %lx", self->window);
+
+    /* Cause the FocusIn to come back to us. Important for desktop switches,
+       since otherwise we'll have no FocusIn on the queue and send it off to
+       the focus_backup. */
+    XSync(ob_display, FALSE);
     return TRUE;
 }
 
 void client_unfocus(Client *self)
 {
     g_assert(focus_client == self);
+    g_message("client_unfocus");
+    focus_fallback(FALSE);
 }
 
 gboolean client_focused(Client *self)
 {
     return self == focus_client;
 }
+
+Icon *client_icon(Client *self, int w, int h)
+{
+    int i;
+    /* si is the smallest image >= req */
+    /* li is the largest image < req */
+    unsigned long size, smallest = 0xffffffff, largest = 0, si = 0, li = 0;
+
+    if (!self->nicons) return NULL;
+
+    for (i = 0; i < self->nicons; ++i) {
+        size = self->icons[i].width * self->icons[i].height;
+        if (size < smallest && size >= (unsigned)(w * h)) {
+            smallest = size;
+            si = i;
+        }
+        if (size > largest && size <= (unsigned)(w * h)) {
+            largest = size;
+            li = i;
+        }
+    }
+    if (largest == 0) /* didnt find one smaller than the requested size */
+        return &self->icons[si];
+    return &self->icons[li];
+}
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