struct all_cons_head all_cons = TAILQ_HEAD_INITIALIZER(all_cons);
/*
- * Sets input focus to the given container. Will be updated in X11 in the next
- * run of x_push_changes().
+ * Loads tree from ~/.i3/_restart.json (used for in-place restarts).
*
*/
-void con_focus(Con *con) {
- assert(con != NULL);
-
- /* 1: set focused-pointer to the new con */
- /* 2: exchange the position of the container in focus stack of the parent all the way up */
- TAILQ_REMOVE(&(con->parent->focus_head), con, focused);
- TAILQ_INSERT_HEAD(&(con->parent->focus_head), con, focused);
- if (con->parent->parent != NULL)
- con_focus(con->parent);
-
- focused = con;
-}
-
-/*
- * Loads tree from ~/.i3/_restart.json
- *
- */
-bool tree_restore() {
- char *globbed = glob_path("~/.i3/_restart.json");
+bool tree_restore(const char *path) {
+ char *globbed = resolve_tilde(path);
if (!path_exists(globbed)) {
LOG("%s does not exist, not restoring tree\n", globbed);
focused = croot;
tree_append_json(globbed);
- char *old_restart = glob_path("~/.i3/_restart.json.old");
- unlink(old_restart);
- rename(globbed, old_restart);
- free(globbed);
- free(old_restart);
printf("appended tree, using new root\n");
croot = TAILQ_FIRST(&(croot->nodes_head));
printf("out = %p\n", out);
Con *ws = TAILQ_FIRST(&(out->nodes_head));
printf("ws = %p\n", ws);
- con_focus(ws);
return true;
}
croot->type = CT_ROOT;
Con *ws;
+ int c = 1;
/* add the outputs */
TAILQ_FOREACH(output, &outputs, outputs) {
if (!output->active)
oc->name = strdup(output->name);
oc->type = CT_OUTPUT;
oc->rect = output->rect;
+ output->con = oc;
+
+ char *name;
+ asprintf(&name, "[i3 con] output %s", oc->name);
+ x_set_name(oc, name);
+ free(name);
/* add a workspace to this output */
- ws = con_new(oc);
- ws->name = strdup("1");
+ ws = con_new(NULL);
+ ws->type = CT_WORKSPACE;
+ ws->num = c;
+ asprintf(&(ws->name), "%d", c);
+ c++;
+ con_attach(ws, oc, false);
+
+ asprintf(&name, "[i3 con] workspace %s", ws->name);
+ x_set_name(ws, name);
+ free(name);
+
ws->fullscreen_mode = CF_OUTPUT;
+ ws->orientation = HORIZ;
}
con_focus(ws);
* the new container needs to be opened as a leaf of the workspace. */
if (con->type == CT_OUTPUT)
con = focused;
+ /* If the currently focused container is a floating container, we
+ * attach the new container to the workspace */
+ if (con->type == CT_FLOATING_CON)
+ con = con->parent;
}
assert(con != NULL);
return new;
}
+/*
+ * vanishing is the container that is about to be closed (so any floating
+ * client which has old_parent == vanishing needs to be "re-parented").
+ *
+ */
+static void fix_floating_parent(Con *con, Con *vanishing) {
+ Con *child;
+
+ if (con->old_parent == vanishing) {
+ LOG("Fixing vanishing old_parent (%p) of container %p to be %p\n",
+ vanishing, con, vanishing->parent);
+ con->old_parent = vanishing->parent;
+ }
+
+ TAILQ_FOREACH(child, &(con->floating_head), floating_windows)
+ fix_floating_parent(child, vanishing);
+
+ TAILQ_FOREACH(child, &(con->nodes_head), nodes)
+ fix_floating_parent(child, vanishing);
+}
+
/*
* Closes the given container including all children
*
*/
-void tree_close(Con *con) {
- /* TODO: check floating clients and adjust old_parent if necessary */
+void tree_close(Con *con, bool kill_window, bool dont_kill_parent) {
+ Con *parent = con->parent;
+
+ /* check floating clients and adjust old_parent if necessary */
+ fix_floating_parent(croot, con);
/* Get the container which is next focused */
- Con *next;
- if (con->type == CT_FLOATING_CON) {
- next = TAILQ_NEXT(con, floating_windows);
- if (next == TAILQ_END(&(con->parent->floating_head)))
- next = con->parent;
- } else {
- next = TAILQ_NEXT(con, focused);
- if (next == TAILQ_END(&(con->parent->nodes_head)))
- next = con->parent;
- }
+ Con *next = con_next_focused(con);
- LOG("closing %p\n", con);
+ DLOG("closing %p, kill_window = %d\n", con, kill_window);
Con *child;
/* We cannot use TAILQ_FOREACH because the children get deleted
* in their parent’s nodes_head */
while (!TAILQ_EMPTY(&(con->nodes_head))) {
child = TAILQ_FIRST(&(con->nodes_head));
- tree_close(child);
+ DLOG("killing child=%p\n", child);
+ tree_close(child, kill_window, true);
+ }
+
+ if (con->window != NULL) {
+ if (kill_window)
+ x_window_kill(con->window->id);
+ else {
+ /* un-parent the window */
+ xcb_reparent_window(conn, con->window->id, root, 0, 0);
+ /* TODO: client_unmap to set state to withdrawn */
+
+ }
+ free(con->window);
}
/* kill the X11 part of this container */
x_con_kill(con);
con_detach(con);
- con_fix_percent(con->parent, WINDOW_REMOVE);
+ con_fix_percent(parent, WINDOW_REMOVE);
- if (con->window != NULL) {
- x_window_kill(con->window->id);
- free(con->window);
+ if (con_is_floating(con)) {
+ DLOG("Container was floating, killing floating container\n");
+ tree_close(parent, false, false);
+ next = NULL;
}
+
free(con->name);
TAILQ_REMOVE(&all_cons, con, all_cons);
free(con);
+ /* in the case of floating windows, we already focused another container
+ * when closing the parent, so we can exit now. */
+ if (!next)
+ return;
+
+ DLOG("focusing %p / %s\n", next, next->name);
/* TODO: check if the container (or one of its children) was focused */
con_focus(next);
+
+ /* check if the parent container is empty now and close it */
+ if (!dont_kill_parent &&
+ parent->type != CT_WORKSPACE &&
+ TAILQ_EMPTY(&(parent->nodes_head))) {
+ DLOG("Closing empty parent container\n");
+ /* TODO: check if this container would swallow any other client and
+ * don’t close it automatically. */
+ tree_close(parent, false, false);
+ }
}
+/*
+ * Closes the current container using tree_close().
+ *
+ */
void tree_close_con() {
assert(focused != NULL);
- if (focused->parent->type == CT_OUTPUT) {
+ if (focused->type == CT_WORKSPACE) {
LOG("Cannot close workspace\n");
return;
}
/* Kill con */
- tree_close(focused);
+ tree_close(focused, true, false);
}
/*
*
*/
void tree_split(Con *con, orientation_t orientation) {
+ /* for a workspace, we just need to change orientation */
+ if (con->type == CT_WORKSPACE) {
+ DLOG("Workspace, simply changing orientation to %d\n", orientation);
+ con->orientation = orientation;
+ return;
+ }
+
+ Con *parent = con->parent;
+ /* if we are in a container whose parent contains only one
+ * child (its split functionality is unused so far), we just change the
+ * orientation (more intuitive than splitting again) */
+ if (con_num_children(parent) == 1) {
+ parent->orientation = orientation;
+ DLOG("Just changing orientation of existing container\n");
+ return;
+ }
+
+ DLOG("Splitting in orientation %d\n", orientation);
+
/* 2: replace it with a new Con */
Con *new = con_new(NULL);
- Con *parent = con->parent;
TAILQ_REPLACE(&(parent->nodes_head), con, new, nodes);
TAILQ_REPLACE(&(parent->focus_head), con, new, focused);
new->parent = parent;
new->orientation = orientation;
- /* 3: add it as a child to the new Con */
- con_attach(con, new);
+ /* 3: swap 'percent' (resize factor) */
+ new->percent = con->percent;
+ con->percent = 0.0;
+
+ /* 4: add it as a child to the new Con */
+ con_attach(con, new, false);
}
+/*
+ * Moves focus one level up.
+ *
+ */
void level_up() {
/* We can focus up to the workspace, but not any higher in the tree */
- if (focused->parent->type != CT_CON) {
+ if (focused->parent->type != CT_CON &&
+ focused->parent->type != CT_WORKSPACE) {
printf("cannot go up\n");
return;
}
con_focus(focused->parent);
}
+/*
+ * Moves focus one level down.
+ *
+ */
void level_down() {
/* Go down the focus stack of the current node */
Con *next = TAILQ_FIRST(&(focused->focus_head));
con->mapped = false;
TAILQ_FOREACH(current, &(con->nodes_head), nodes)
mark_unmapped(current);
+ if (con->type == CT_WORKSPACE) {
+ TAILQ_FOREACH(current, &(con->floating_head), floating_windows) {
+ current->mapped = false;
+ Con *child = TAILQ_FIRST(&(current->nodes_head));
+ child->mapped = false;
+ }
+ }
}
+/*
+ * Renders the tree, that is rendering all outputs using render_con() and
+ * pushing the changes to X11 using x_push_changes().
+ *
+ */
void tree_render() {
if (croot == NULL)
return;
Con *output;
TAILQ_FOREACH(output, &(croot->nodes_head), nodes) {
printf("output %p / %s\n", output, output->name);
- render_con(output);
+ render_con(output, false);
}
x_push_changes(croot);
printf("-- END RENDERING --\n");
}
+/*
+ * Changes focus in the given way (next/previous) and given orientation
+ * (horizontal/vertical).
+ *
+ */
void tree_next(char way, orientation_t orientation) {
/* 1: get the first parent with the same orientation */
Con *parent = focused->parent;
- while (parent->orientation != orientation) {
+ while (focused->type != CT_WORKSPACE &&
+ con_orientation(parent) != orientation) {
LOG("need to go one level further up\n");
/* if the current parent is an output, we are at a workspace
* and the orientation still does not match */
- if (parent->parent->type == CT_OUTPUT)
+ if (parent->type == CT_WORKSPACE)
return;
parent = parent->parent;
}
while (!TAILQ_EMPTY(&(next->focus_head)))
next = TAILQ_FIRST(&(next->focus_head));
+ DLOG("focusing %p\n", next);
con_focus(next);
}
+/*
+ * Moves the current container in the given way (next/previous) and given
+ * orientation (horizontal/vertical).
+ *
+ */
void tree_move(char way, orientation_t orientation) {
/* 1: get the first parent with the same orientation */
Con *parent = focused->parent;
+ Con *old_parent = parent;
+ if (focused->type == CT_WORKSPACE)
+ return;
bool level_changed = false;
- while (parent->orientation != orientation) {
- LOG("need to go one level further up\n");
- /* if the current parent is an output, we are at a workspace
- * and the orientation still does not match */
- if (parent->parent->type == CT_OUTPUT)
- return;
+ while (con_orientation(parent) != orientation) {
+ DLOG("need to go one level further up\n");
+ /* If the current parent is an output, we are at a workspace
+ * and the orientation still does not match. In this case, we split the
+ * workspace to have the same look & feel as in older i3 releases. */
+ if (parent->type == CT_WORKSPACE) {
+ DLOG("Arrived at workspace, splitting...\n");
+ /* 1: create a new split container */
+ Con *new = con_new(NULL);
+ new->parent = parent;
+
+ /* 2: copy layout and orientation from workspace */
+ new->layout = parent->layout;
+ new->orientation = parent->orientation;
+
+ Con *old_focused = TAILQ_FIRST(&(parent->focus_head));
+ if (old_focused == TAILQ_END(&(parent->focus_head)))
+ old_focused = NULL;
+
+ /* 3: move the existing cons of this workspace below the new con */
+ DLOG("Moving cons\n");
+ Con *child;
+ while (!TAILQ_EMPTY(&(parent->nodes_head))) {
+ child = TAILQ_FIRST(&(parent->nodes_head));
+ con_detach(child);
+ con_attach(child, new, true);
+ }
+
+ /* 4: switch workspace orientation */
+ parent->orientation = orientation;
+
+ /* 4: attach the new split container to the workspace */
+ DLOG("Attaching new split to ws\n");
+ con_attach(new, parent, false);
+
+ if (old_focused)
+ con_focus(old_focused);
+
+ level_changed = true;
+
+ break;
+ }
parent = parent->parent;
level_changed = true;
}
Con *next = current;
if (way == 'n') {
LOG("i would insert it after %p / %s\n", next, next->name);
- if (!level_changed) {
- next = TAILQ_NEXT(next, nodes);
- if (next == TAILQ_END(&(next->parent->nodes_head))) {
- LOG("cannot move further to the right\n");
+
+ /* Have a look at the next container: If there is no next container or
+ * if it is a leaf node, we move the focused one left to it. However,
+ * for split containers, we descend into it. */
+ next = TAILQ_NEXT(next, nodes);
+ if (next == TAILQ_END(&(next->parent->nodes_head))) {
+ if (focused == current)
return;
+ next = current;
+ } else {
+ if (level_changed && con_is_leaf(next)) {
+ next = current;
+ } else {
+ /* if this is a split container, we need to go down */
+ while (!TAILQ_EMPTY(&(next->focus_head)))
+ next = TAILQ_FIRST(&(next->focus_head));
}
}
/* TODO: don’t influence focus handling? */
} else {
LOG("i would insert it before %p / %s\n", current, current->name);
- if (!level_changed) {
- next = TAILQ_PREV(next, nodes_head, nodes);
- if (next == TAILQ_END(&(next->parent->nodes_head))) {
- LOG("cannot move further\n");
+ bool gone_down = false;
+ next = TAILQ_PREV(next, nodes_head, nodes);
+ if (next == TAILQ_END(&(next->parent->nodes_head))) {
+ if (focused == current)
return;
+ next = current;
+ } else {
+ if (level_changed && con_is_leaf(next)) {
+ next = current;
+ } else {
+ /* if this is a split container, we need to go down */
+ while (!TAILQ_EMPTY(&(next->focus_head))) {
+ gone_down = true;
+ next = TAILQ_FIRST(&(next->focus_head));
+ }
}
}
con_detach(focused);
focused->parent = next->parent;
- TAILQ_INSERT_BEFORE(next, focused, nodes);
+ /* After going down in the tree, we insert the container *after*
+ * the currently focused one even though the command used "before".
+ * This is to keep the user experience clear, since the before/after
+ * only signifies the direction of the movement on top-level */
+ if (gone_down)
+ TAILQ_INSERT_AFTER(&(next->parent->nodes_head), next, focused, nodes);
+ else TAILQ_INSERT_BEFORE(next, focused, nodes);
TAILQ_INSERT_HEAD(&(next->parent->focus_head), focused, focused);
/* TODO: don’t influence focus handling? */
}
+
+ /* We need to call con_focus() to fix the focus stack "above" the container
+ * we just inserted the focused container into (otherwise, the parent
+ * container(s) would still point to the old container(s)). */
+ con_focus(focused);
+
+ if (con_num_children(old_parent) == 0) {
+ DLOG("Old container empty after moving. Let's close it\n");
+ tree_close(old_parent, false, false);
+ }
}
projects / i3 / i3 / blobdiff