2 * vim:ts=4:sw=4:expandtab
6 #include "cmdparse.tab.h"
8 typedef enum { BEFORE, AFTER } position_t;
11 * This function detaches 'con' from its parent and inserts it either before or
15 static void insert_con_into(Con *con, Con *target, position_t position) {
16 Con *parent = target->parent;
17 /* We need to preserve the old con->parent. While it might still be used to
18 * insert the entry before/after it, we call the on_remove_child callback
19 * afterwards which might then close the con if it is empty. */
20 Con *old_parent = con->parent;
23 con_fix_percent(con->parent);
25 /* When moving to a workspace, we respect the user’s configured
27 if (parent->type == CT_WORKSPACE) {
28 Con *split = workspace_attach_to(parent);
29 if (split != parent) {
30 DLOG("Got a new split con, using that one instead\n");
32 con_attach(con, split, false);
35 con_fix_percent(split);
37 DLOG("ok, continuing with con %p instead\n", con);
44 if (position == BEFORE) {
45 TAILQ_INSERT_BEFORE(target, con, nodes);
46 TAILQ_INSERT_HEAD(&(parent->focus_head), con, focused);
47 } else if (position == AFTER) {
48 TAILQ_INSERT_AFTER(&(parent->nodes_head), target, con, nodes);
49 TAILQ_INSERT_HEAD(&(parent->focus_head), con, focused);
52 /* Pretend the con was just opened with regards to size percent values.
53 * Since the con is moved to a completely different con, the old value
54 * does not make sense anyways. */
56 con_fix_percent(parent);
58 CALL(old_parent, on_remove_child);
62 * This function detaches 'con' from its parent and inserts it at the given
66 static void attach_to_workspace(Con *con, Con *ws) {
68 con_fix_percent(con->parent);
70 CALL(con->parent, on_remove_child);
74 TAILQ_INSERT_TAIL(&(ws->nodes_head), con, nodes);
75 TAILQ_INSERT_TAIL(&(ws->focus_head), con, focused);
77 /* Pretend the con was just opened with regards to size percent values.
78 * Since the con is moved to a completely different con, the old value
79 * does not make sense anyways. */
85 * Moves the current container in the given direction (TOK_LEFT, TOK_RIGHT,
86 * TOK_UP, TOK_DOWN from cmdparse.l)
89 void tree_move(int direction) {
90 DLOG("Moving in direction %d\n", direction);
91 /* 1: get the first parent with the same orientation */
94 if (con->type == CT_WORKSPACE) {
95 DLOG("Not moving workspace\n");
99 if (con->parent->type == CT_WORKSPACE && con_num_children(con->parent) == 1) {
100 DLOG("This is the only con on this workspace, not doing anything\n");
104 orientation_t o = (direction == TOK_LEFT || direction == TOK_RIGHT ? HORIZ : VERT);
106 Con *same_orientation = con_parent_with_orientation(con, o);
107 /* The do {} while is used to 'restart' at this point with a different
108 * same_orientation, see the very last lines before the end of this block
111 /* There is no parent container with the same orientation */
112 if (!same_orientation) {
113 if (con_is_floating(con)) {
114 /* this is a floating con, we just disable floating */
115 floating_disable(con, true);
118 if (con_inside_floating(con)) {
119 /* 'con' should be moved out of a floating container */
120 DLOG("Inside floating, moving to workspace\n");
121 attach_to_workspace(con, con_get_workspace(con));
124 DLOG("Force-changing orientation\n");
125 ws_force_orientation(con_get_workspace(con), o);
126 same_orientation = con_parent_with_orientation(con, o);
129 /* easy case: the move is within this container */
130 if (same_orientation == con->parent) {
131 DLOG("We are in the same container\n");
133 if ((swap = (direction == TOK_LEFT || direction == TOK_UP ?
134 TAILQ_PREV(con, nodes_head, nodes) :
135 TAILQ_NEXT(con, nodes)))) {
136 if (!con_is_leaf(swap)) {
137 insert_con_into(con, con_descend_focused(swap), AFTER);
140 if (direction == TOK_LEFT || direction == TOK_UP)
141 TAILQ_SWAP(swap, con, &(swap->parent->nodes_head), nodes);
142 else TAILQ_SWAP(con, swap, &(swap->parent->nodes_head), nodes);
144 TAILQ_REMOVE(&(con->parent->focus_head), con, focused);
145 TAILQ_INSERT_HEAD(&(swap->parent->focus_head), con, focused);
151 /* If there was no con with which we could swap the current one, search
152 * again, but starting one level higher. If we are on the workspace
153 * level, don’t do that. The result would be a force change of
154 * workspace orientation, which is not necessary. */
155 if (con->parent == con_get_workspace(con))
157 same_orientation = con_parent_with_orientation(con->parent, o);
159 } while (same_orientation == NULL);
161 /* this time, we have to move to another container */
162 /* This is the container *above* 'con' (an ancestor of con) which is inside
163 * 'same_orientation' */
165 while (above->parent != same_orientation)
166 above = above->parent;
168 DLOG("above = %p\n", above);
171 if (direction == TOK_UP || direction == TOK_LEFT) {
173 next = TAILQ_PREV(above, nodes_head, nodes);
176 next = TAILQ_NEXT(above, nodes);
179 /* special case: there is a split container in the direction we are moving
180 * to, so descend and append */
181 if (next && !con_is_leaf(next))
182 insert_con_into(con, con_descend_focused(next), AFTER);
184 insert_con_into(con, above, position);
187 /* We need to call con_focus() to fix the focus stack "above" the container
188 * we just inserted the focused container into (otherwise, the parent
189 * container(s) would still point to the old container(s)). */