focus: remove focus history

Signed-off-by: Julien Danjou <julien@danjou.info>

CMakeLists.txt

@@ -43,7 +43,6 @@ set(AWE_SRCS
     ${SOURCE_DIR}/dbus.c
     ${SOURCE_DIR}/event.c
     ${SOURCE_DIR}/ewmh.c
-    ${SOURCE_DIR}/focus.c
     ${SOURCE_DIR}/keybinding.c
     ${SOURCE_DIR}/keygrabber.c
     ${SOURCE_DIR}/layout.c

awesome.c

@@ -29,9 +29,10 @@
 
 #include <ev.h>
 
+#include "client.h"
+#include "titlebar.h"
 #include "event.h"
 #include "window.h"
-#include "focus.h"
 #include "ewmh.h"
 #include "dbus.h"
 #include "statusbar.h"
@@ -406,8 +407,7 @@ main(int argc, char **argv)
 
     /* init screens struct */
     globalconf.screens_info = screensinfo_new(globalconf.connection);
-    globalconf.screens = p_new(screen_t, globalconf.screens_info->nscreen);
-    focus_client_push(NULL);
+    globalconf.screen_focus = globalconf.screens = p_new(screen_t, globalconf.screens_info->nscreen);
 
     /* init default font and colors */
     globalconf.font = draw_font_new(globalconf.connection, globalconf.default_screen, "sans 8");

awesomerc.lua.in

@@ -353,6 +353,12 @@ function hook_arrange(screen)
     -- Update tag history
     awful.tag.history.update(screen)
 
+    -- If no window has focus, give focus to the first one
+    if not client.focus_get() then
+        local vc = client.visible_get(screen)
+        if #vc > 0 then vc[1]:focus_set() end
+    end
+
     -- Uncomment if you want mouse warping
     --[[
     local sel = client.focus_get()

client.c

@@ -28,7 +28,6 @@
 #include "client.h"
 #include "tag.h"
 #include "window.h"
-#include "focus.h"
 #include "ewmh.h"
 #include "widget.h"
 #include "screen.h"
@@ -182,7 +181,7 @@ client_updatetitle(client_t *c)
 static void
 client_unfocus(client_t *c)
 {
-    focus_client_push(NULL);
+    globalconf.screens[c->screen].client_focus = NULL;
 
     /* Call hook */
     luaA_client_userdata_new(globalconf.L, c);
@@ -198,7 +197,7 @@ client_unfocus(client_t *c)
 void
 client_ban(client_t *c)
 {
-    if(globalconf.focus->client == c)
+    if(globalconf.screen_focus->client_focus == c)
         client_unfocus(c);
     xcb_unmap_window(globalconf.connection, c->win);
     if(c->ishidden)
@@ -221,20 +220,22 @@ client_focus(client_t *c, int screen)
 
     /* if c is NULL or invisible, take next client in the focus history */
     if((!c || (c && (!client_isvisible(c, screen))))
-       && !(c = focus_get_current_client(screen)))
+       && !(c = globalconf.screens[screen].client_focus))
         /* if c is still NULL take next client in the stack */
         for(c = globalconf.clients; c && (c->skip || !client_isvisible(c, screen)); c = c->next);
 
     /* unfocus current selected client */
-    if(globalconf.focus->client && c != globalconf.focus->client)
-        client_unfocus(globalconf.focus->client);
+    if(globalconf.screen_focus->client_focus && c != globalconf.screen_focus->client_focus)
+        client_unfocus(globalconf.screen_focus->client_focus);
 
     if(c)
     {
         /* unban the client before focusing or it will fail */
         client_unban(c);
-        /* save sel in focus history */
-        focus_client_push(c);
+
+        globalconf.screen_focus = &globalconf.screens[c->screen];
+        globalconf.screen_focus->client_focus = c;
+
         xcb_set_input_focus(globalconf.connection, XCB_INPUT_FOCUS_POINTER_ROOT,
                             c->win, XCB_CURRENT_TIME);
         phys_screen = c->phys_screen;
@@ -243,7 +244,7 @@ client_focus(client_t *c, int screen)
         globalconf.screens[c->screen].need_arrange = true;
 
         /* execute hook */
-        luaA_client_userdata_new(globalconf.L, globalconf.focus->client);
+        luaA_client_userdata_new(globalconf.L, globalconf.screen_focus->client_focus);
         luaA_dofunction(globalconf.L, globalconf.hooks.focus, 1, 0);
     }
     else
@@ -424,8 +425,6 @@ client_manage(xcb_window_t w, xcb_get_geometry_reply_t *wgeom, int screen)
 
     /* Push client in client list */
     client_list_push(&globalconf.clients, c);
-    /* Append client in history: it'll be last. */
-    focus_client_append(c);
     client_ref(&c);
     /* Push client in stack */
     client_raise(c);
@@ -679,9 +678,6 @@ client_unmanage(client_t *c)
     luaA_client_userdata_new(globalconf.L, c);
     luaA_dofunction(globalconf.L, globalconf.hooks.unmanage, 1, 0);
 
-    if(globalconf.focus->client == c)
-        client_focus(NULL, c->screen);
-
     /* The server grab construct avoids race conditions. */
     xcb_grab_server(globalconf.connection);
 
@@ -691,7 +687,6 @@ client_unmanage(client_t *c)
 
     /* remove client everywhere */
     client_list_detach(&globalconf.clients, c);
-    focus_client_delete(c);
     stack_client_delete(c);
     for(int i = 0; i < tags->len; i++)
         untag_client(c, tags->tab[i]);
@@ -921,10 +916,10 @@ luaA_client_visible_get(lua_State *L)
  * \lreturn The currently focused client.
  */
 static int
-luaA_client_focus_get(lua_State *L __attribute__ ((unused)))
+luaA_client_focus_get(lua_State *L)
 {
-    if(globalconf.focus->client)
-        return luaA_client_userdata_new(globalconf.L, globalconf.focus->client);
+    if(globalconf.screen_focus->client_focus)
+        return luaA_client_userdata_new(L, globalconf.screen_focus->client_focus);
     return 0;
 }
 

ewmh.c

@@ -27,7 +27,6 @@
 
 #include "ewmh.h"
 #include "tag.h"
-#include "focus.h"
 #include "screen.h"
 #include "client.h"
 #include "widget.h"
@@ -235,9 +234,12 @@ void
 ewmh_update_net_active_window(int phys_screen)
 {
     xcb_window_t win;
-    client_t *sel = focus_get_current_client(phys_screen);
 
-    win = sel ? sel->win : XCB_NONE;
+    if(globalconf.screen_focus->client_focus
+       && globalconf.screen_focus->client_focus->phys_screen == phys_screen)
+        win = globalconf.screen_focus->client_focus->win;
+    else
+        win = XCB_NONE;
 
     xcb_change_property(globalconf.connection, XCB_PROP_MODE_REPLACE,
 			xutil_screen_get(globalconf.connection, phys_screen)->root,

focus.c

@@ -1,93 +0,0 @@
-/*
- * focus.c - focus management
- *
- * Copyright © 2007-2008 Julien Danjou <julien@danjou.info>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- */
-
-#include "focus.h"
-#include "cnode.h"
-#include "tag.h"
-
-extern awesome_t globalconf;
-
-/** Push the client at the beginning of the client focus history stack.
- * \param c The client to push.
- */
-void
-focus_client_push(client_t *c)
-{
-    client_node_t *node = client_node_client_add(&globalconf.focus, c);
-    client_node_list_push(&globalconf.focus, node);
-}
-
-/** Append the client at the end of the client focus history stack.
- * \param c The client to append.
- */
-void
-focus_client_append(client_t *c)
-{
-    client_node_t *node = client_node_client_add(&globalconf.focus, c);
-    client_node_list_append(&globalconf.focus, node);
-}
-
-/** Remove a client from focus history.
- * \param c The client.
- */
-void
-focus_client_delete(client_t *c)
-{
-    client_node_t *node = client_node_client_getby(globalconf.focus, c);
-
-    if(node)
-    {
-        client_node_list_detach(&globalconf.focus, node);
-        p_delete(&node);
-    }
-}
-
-static client_t *
-focus_get_latest_client_for_tags(tag_t **t, int nindex)
-{
-    client_node_t *node;
-    tag_t **tags;
-    int i = 0;
-
-    for(node = globalconf.focus; node; node = node->next)
-        if(node->client && !node->client->skip && !node->client->ishidden)
-            for(tags = t; *tags; tags++)
-                if(is_client_tagged(node->client, *tags))
-                    if(i-- == nindex)
-                        return node->client;
-    return NULL;
-}
-
-/** Get the latest focused client on a screen.
- * \param screen The virtual screen number.
- * \return A pointer to an existing client.
- */
-client_t *
-focus_get_current_client(int screen)
-{
-    tag_t **curtags = tags_get_current(screen);
-    client_t *sel = focus_get_latest_client_for_tags(curtags, 0);
-    p_delete(&curtags);
-
-    return sel;
-}
-
-// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80

focus.h

@@ -1,33 +0,0 @@
-/*
- * focus.h - focus management header
- *
- * Copyright © 2007-2008 Julien Danjou <julien@danjou.info>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- */
-
-#ifndef AWESOME_FOCUS_H
-#define AWESOME_FOCUS_H
-
-#include "client.h"
-
-void focus_client_push(client_t *);
-void focus_client_append(client_t *);
-void focus_client_delete(client_t *);
-client_t * focus_get_current_client(int);
-
-#endif
-// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80

layout.c

@@ -19,8 +19,8 @@
  *
  */
 
+#include "client.h"
 #include "tag.h"
-#include "focus.h"
 #include "window.h"
 #include "screen.h"
 
@@ -34,7 +34,7 @@ arrange(int screen)
 {
     client_t *c;
     layout_t *curlay = layout_get_current(screen);
-    int fscreen, phys_screen = screen_virttophys(screen);
+    int phys_screen = screen_virttophys(screen);
     xcb_query_pointer_cookie_t qp_c;
     xcb_query_pointer_reply_t *qp_r;
 
@@ -65,20 +65,6 @@ arrange(int screen)
         globalconf.pointer_x = qp_r->root_x;
         globalconf.pointer_y = qp_r->root_y;
 
-        /* no window have focus, let's try to see if mouse is on
-         * the screen we just rearranged */
-        if(!globalconf.focus->client)
-        {
-            fscreen = screen_get_bycoord(globalconf.screens_info,
-                                         screen,
-                                         qp_r->root_x, qp_r->root_y);
-            /* if the mouse in on the same screen we just rearranged, and no
-             * client are currently focused, pick the first one in history */
-            if(fscreen == screen
-               && (c = focus_get_current_client(screen)))
-                   client_focus(c, screen);
-        }
-
         p_delete(&qp_r);
     }
 

layouts/magnifier.c

@@ -22,7 +22,6 @@
 #include "client.h"
 #include "tag.h"
 #include "screen.h"
-#include "focus.h"
 #include "layouts/magnifier.h"
 
 extern awesome_t globalconf;
@@ -37,7 +36,7 @@ layout_magnifier(int screen)
                                             globalconf.screens[screen].statusbar,
                                             &globalconf.screens[screen].padding);
 
-    focus = focus_get_current_client(screen);
+    focus = globalconf.screens[screen].client_focus;
 
     /* If focused window is not tiled, take the first one which is tiled. */
     if(!IS_TILED(focus, screen))

layouts/max.c

@@ -22,7 +22,6 @@
 #include "tag.h"
 #include "screen.h"
 #include "client.h"
-#include "focus.h"
 #include "layouts/max.h"
 
 extern awesome_t globalconf;
@@ -30,7 +29,7 @@ extern awesome_t globalconf;
 void
 layout_max(int screen)
 {
-    client_t *c, *focus;
+    client_t *c;
     area_t area = screen_area_get(screen,
                                 globalconf.screens[screen].statusbar,
                                 &globalconf.screens[screen].padding);
@@ -45,8 +44,7 @@ layout_max(int screen)
             area.height += 2 * c->border;
         }
 
-    if((focus = focus_get_current_client(screen))
-       && IS_TILED(focus, screen))
-        client_raise(focus);
+    if(IS_TILED(globalconf.screens[screen].client_focus, screen))
+        client_raise(globalconf.screens[screen].client_focus);
 }
 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80

screen.c

@@ -26,7 +26,6 @@
 
 #include "screen.h"
 #include "tag.h"
-#include "focus.h"
 #include "client.h"
 #include "layouts/floating.h"
 

structs.h

@@ -372,6 +372,8 @@ typedef struct
         xcb_window_t window;
         bool has_systray_widget;
     } systray;
+    /** Focused client */
+    client_t *client_focus;
 } screen_t;
 
 /** Main configuration structure */
@@ -410,8 +412,6 @@ struct awesome_t
     xembed_window_t *embedded;
     /** Path to config file */
     char *configpath;
-    /** Selected clients history */
-    client_node_t *focus;
     /** Stack client history */
     client_node_t *stack;
     /** Command line passed to awesome */
@@ -454,6 +454,8 @@ struct awesome_t
     struct ev_timer timer;
     /** The key grabber function */
     luaA_function keygrabber;
+    /** Focused screen */
+    screen_t *screen_focus;
 };
 
 #endif

widgets/appicon.c

@@ -48,7 +48,7 @@ appicon_draw(draw_context_t *ctx, int screen __attribute__ ((unused)),
     switch(type)
     {
       case AWESOME_TYPE_STATUSBAR:
-        c = globalconf.focus->client;
+        c = globalconf.screen_focus->client_focus;
         break;
       case AWESOME_TYPE_TITLEBAR:
         c = client_getbytitlebar(p);

widgets/tasklist.c

@@ -19,8 +19,8 @@
  *
  */
 
+#include "client.h"
 #include "widget.h"
-#include "focus.h"
 #include "ewmh.h"
 #include "tag.h"
 #include "common/markup.h"