]> git.sur5r.net Git - i3/i3/blobdiff - src/tree.c
tree_restore: Check croot
[i3/i3] / src / tree.c
index 82a4756ca2fb9d95543c12537ee941a83e2e12ce..5a7c5dfa3c7f37be659b0e4b0a7025ef22fdbef8 100644 (file)
@@ -64,12 +64,19 @@ static Con *_create___i3(void) {
  *
  */
 bool tree_restore(const char *path, xcb_get_geometry_reply_t *geometry) {
+    bool result = false;
     char *globbed = resolve_tilde(path);
+    char *buf = NULL;
 
     if (!path_exists(globbed)) {
         LOG("%s does not exist, not restoring tree\n", globbed);
-        free(globbed);
-        return false;
+        goto out;
+    }
+
+    ssize_t len;
+    if ((len = slurp(globbed, &buf)) < 0) {
+        /* slurp already logged an error. */
+        goto out;
     }
 
     /* TODO: refactor the following */
@@ -81,11 +88,14 @@ bool tree_restore(const char *path, xcb_get_geometry_reply_t *geometry) {
         geometry->height};
     focused = croot;
 
-    tree_append_json(focused, globbed, NULL);
-    free(globbed);
+    tree_append_json(focused, buf, len, NULL);
 
     DLOG("appended tree, using new root\n");
     croot = TAILQ_FIRST(&(croot->nodes_head));
+    if (!croot) {
+        /* tree_append_json failed. Continuing here would segfault. */
+        goto out;
+    }
     DLOG("new root = %p\n", croot);
     Con *out = TAILQ_FIRST(&(croot->nodes_head));
     DLOG("out = %p\n", out);
@@ -104,8 +114,12 @@ bool tree_restore(const char *path, xcb_get_geometry_reply_t *geometry) {
     }
 
     restore_open_placeholder_windows(croot);
+    result = true;
 
-    return true;
+out:
+    free(globbed);
+    free(buf);
+    return result;
 }
 
 /*
@@ -256,7 +270,7 @@ bool tree_close_internal(Con *con, kill_window_t kill_window, bool dont_kill_par
              * will be mapped when i3 closes its connection (e.g. when
              * restarting). This is not what we want, since some apps keep
              * unmapped windows around and don’t expect them to suddenly be
-             * mapped. See http://bugs.i3wm.org/1617 */
+             * mapped. See https://bugs.i3wm.org/1617 */
             xcb_change_save_set(conn, XCB_SET_MODE_DELETE, con->window->id);
 
             /* Ignore X11 errors for the ReparentWindow request.
@@ -320,22 +334,14 @@ bool tree_close_internal(Con *con, kill_window_t kill_window, bool dont_kill_par
         DLOG("parent container killed\n");
     }
 
-    free(con->name);
-    FREE(con->deco_render_params);
-    TAILQ_REMOVE(&all_cons, con, all_cons);
-    while (!TAILQ_EMPTY(&(con->swallow_head))) {
-        Match *match = TAILQ_FIRST(&(con->swallow_head));
-        TAILQ_REMOVE(&(con->swallow_head), match, matches);
-        match_free(match);
-        free(match);
+    if (ws == con) {
+        DLOG("Closing a workspace container, updating EWMH atoms\n");
+        ewmh_update_number_of_desktops();
+        ewmh_update_desktop_names();
+        ewmh_update_wm_desktop();
     }
-    while (!TAILQ_EMPTY(&(con->marks_head))) {
-        mark_t *mark = TAILQ_FIRST(&(con->marks_head));
-        TAILQ_REMOVE(&(con->marks_head), mark, marks);
-        FREE(mark->name);
-        FREE(mark);
-    }
-    free(con);
+
+    con_free(con);
 
     /* in the case of floating windows, we already focused another container
      * when closing the parent, so we can exit now. */
@@ -349,12 +355,12 @@ bool tree_close_internal(Con *con, kill_window_t kill_window, bool dont_kill_par
             DLOG("focusing %p / %s\n", next, next->name);
             if (next->type == CT_DOCKAREA) {
                 /* Instead of focusing the dockarea, we need to restore focus to the workspace */
-                con_focus(con_descend_focused(output_get_content(next->parent)));
+                con_activate(con_descend_focused(output_get_content(next->parent)));
             } else {
                 if (!force_set_focus && con != focused)
                     DLOG("not changing focus, the container was not focused before\n");
                 else
-                    con_focus(next);
+                    con_activate(next);
             }
         } else {
             DLOG("not focusing because we're not killing anybody\n");
@@ -438,7 +444,7 @@ bool level_up(void) {
     /* Skip over floating containers and go directly to the grandparent
      * (which should always be a workspace) */
     if (focused->parent->type == CT_FLOATING_CON) {
-        con_focus(focused->parent->parent);
+        con_activate(focused->parent->parent);
         return true;
     }
 
@@ -449,7 +455,7 @@ bool level_up(void) {
         ELOG("'focus parent': Focus is already on the workspace, cannot go higher than that.\n");
         return false;
     }
-    con_focus(focused->parent);
+    con_activate(focused->parent);
     return true;
 }
 
@@ -474,7 +480,7 @@ bool level_down(void) {
             next = TAILQ_FIRST(&(next->focus_head));
     }
 
-    con_focus(next);
+    con_activate(next);
     return true;
 }
 
@@ -565,26 +571,21 @@ static bool _tree_next(Con *con, char way, orientation_t orientation, bool wrap)
         if (!workspace)
             return false;
 
-        workspace_show(workspace);
-
-        /* If a workspace has an active fullscreen container, one of its
-         * children should always be focused. The above workspace_show()
-         * should be adequate for that, so return. */
-        if (con_get_fullscreen_con(workspace, CF_OUTPUT))
-            return true;
-
-        Con *focus = con_descend_direction(workspace, direction);
-
-        /* special case: if there was no tiling con to focus and the workspace
-         * has a floating con in the focus stack, focus the top of the focus
-         * stack (which may be floating) */
-        if (focus == workspace)
-            focus = con_descend_focused(workspace);
-
-        if (focus) {
-            con_focus(focus);
-            x_set_warp_to(&(focus->rect));
+        /* Use descend_focused first to give higher priority to floating or
+         * tiling fullscreen containers. */
+        Con *focus = con_descend_focused(workspace);
+        if (focus->fullscreen_mode == CF_NONE) {
+            Con *focus_tiling = con_descend_tiling_focused(workspace);
+            /* If descend_tiling returned a workspace then focus is either a
+             * floating container or the same workspace. */
+            if (focus_tiling != workspace) {
+                focus = focus_tiling;
+            }
         }
+
+        workspace_show(workspace);
+        con_activate(focus);
+        x_set_warp_to(&(focus->rect));
         return true;
     }
 
@@ -621,7 +622,7 @@ static bool _tree_next(Con *con, char way, orientation_t orientation, bool wrap)
             TAILQ_INSERT_HEAD(&(parent->floating_head), last, floating_windows);
         }
 
-        con_focus(con_descend_focused(next));
+        con_activate(con_descend_focused(next));
         return true;
     }
 
@@ -646,7 +647,7 @@ static bool _tree_next(Con *con, char way, orientation_t orientation, bool wrap)
         next = TAILQ_PREV(current, nodes_head, nodes);
 
     if (!next) {
-        if (!config.force_focus_wrapping) {
+        if (config.focus_wrapping != FOCUS_WRAPPING_FORCE) {
             /* If there is no next/previous container, we check if we can focus one
              * when going higher (without wrapping, though). If so, we are done, if
              * not, we wrap */
@@ -670,7 +671,7 @@ static bool _tree_next(Con *con, char way, orientation_t orientation, bool wrap)
     /* 3: focus choice comes in here. at the moment we will go down
      * until we find a window */
     /* TODO: check for window, atm we only go down as far as possible */
-    con_focus(con_descend_focused(next));
+    con_activate(con_descend_focused(next));
     return true;
 }
 
@@ -680,7 +681,8 @@ static bool _tree_next(Con *con, char way, orientation_t orientation, bool wrap)
  *
  */
 void tree_next(char way, orientation_t orientation) {
-    _tree_next(focused, way, orientation, true);
+    _tree_next(focused, way, orientation,
+               config.focus_wrapping != FOCUS_WRAPPING_OFF);
 }
 
 /*