commands/move: rework container_move_in_direction
This changes the move command to better match i3 behavior after the layout changes. workspace_rejigger handled the case where containers would escape their workspace in an orthogonal move by changing the layout to accomodate them, but this case is now handled within the loop.
This commit is contained in:
Ronan Pigott
Tudor Brindus
parent
ece6a1d408
commit
e95c299f0a
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@ -263,126 +263,141 @@ static void container_move_to_container(struct sway_container *container,
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}
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}
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/* Takes one child, sets it aside, wraps the rest of the children in a new
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* container, switches the layout of the workspace, and drops the child back in.
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* In other words, rejigger it. */
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static void workspace_rejigger(struct sway_workspace *ws,
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struct sway_container *child, enum wlr_direction move_dir) {
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if (!child->parent && ws->tiling->length == 1) {
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ws->layout =
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move_dir == WLR_DIRECTION_LEFT || move_dir == WLR_DIRECTION_RIGHT ?
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L_HORIZ : L_VERT;
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workspace_update_representation(ws);
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return;
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static bool container_move_to_next_output(struct sway_container *container,
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struct sway_output *output, enum wlr_direction move_dir) {
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struct sway_output *next_output =
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output_get_in_direction(output, move_dir);
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if (next_output) {
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struct sway_workspace *ws = output_get_active_workspace(next_output);
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if (!sway_assert(ws, "Expected output to have a workspace")) {
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return false;
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}
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switch (container->fullscreen_mode) {
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case FULLSCREEN_NONE:
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container_move_to_workspace_from_direction(container, ws, move_dir);
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return true;
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case FULLSCREEN_WORKSPACE:
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container_move_to_workspace(container, ws);
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return true;
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case FULLSCREEN_GLOBAL:
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return false;
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}
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}
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container_detach(child);
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struct sway_container *new_parent = workspace_wrap_children(ws);
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int index =
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move_dir == WLR_DIRECTION_LEFT || move_dir == WLR_DIRECTION_UP ? 0 : 1;
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workspace_insert_tiling(ws, child, index);
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container_flatten(new_parent);
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ws->layout =
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move_dir == WLR_DIRECTION_LEFT || move_dir == WLR_DIRECTION_RIGHT ?
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L_HORIZ : L_VERT;
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workspace_update_representation(ws);
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child->width = child->height = 0;
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return false;
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}
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// Returns true if moved
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static bool container_move_in_direction(struct sway_container *container,
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enum wlr_direction move_dir) {
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// If moving a fullscreen view, only consider outputs
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if (container->fullscreen_mode == FULLSCREEN_WORKSPACE) {
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struct sway_output *new_output =
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output_get_in_direction(container->workspace->output, move_dir);
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if (!new_output) {
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return false;
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}
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struct sway_workspace *ws = output_get_active_workspace(new_output);
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if (!sway_assert(ws, "Expected output to have a workspace")) {
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return false;
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}
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container_move_to_workspace(container, ws);
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return true;
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}
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if (container->fullscreen_mode == FULLSCREEN_GLOBAL) {
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switch (container->fullscreen_mode) {
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case FULLSCREEN_NONE:
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break;
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case FULLSCREEN_WORKSPACE:
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return container_move_to_next_output(container,
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container->workspace->output, move_dir);
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case FULLSCREEN_GLOBAL:
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return false;
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}
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// Look for a suitable *container* sibling or parent.
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// The below loop stops once we hit the workspace because current->parent
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// is NULL for the topmost containers in a workspace.
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struct sway_container *current = container;
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int offs =
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move_dir == WLR_DIRECTION_LEFT || move_dir == WLR_DIRECTION_UP ? -1 : 1;
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int index = -1;
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int desired = -1;
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list_t *siblings = NULL;
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struct sway_container *target = NULL;
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while (current) {
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list_t *siblings = container_get_siblings(current);
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if (siblings) {
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enum sway_container_layout layout = container_parent_layout(current);
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int index = list_find(siblings, current);
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int desired = index + offs;
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// Look for a suitable ancestor of the container to move within
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struct sway_container *ancestor = NULL;
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struct sway_container *current = container;
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bool wrapped = false;
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while (!ancestor) {
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// Don't allow containers to move out of their
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// fullscreen or floating parent
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if (current->fullscreen_mode || container_is_floating(current)) {
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return false;
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}
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// Don't allow containers to move out of their
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// fullscreen or floating parent
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if (current->fullscreen_mode || container_is_floating(current)) {
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return false;
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enum sway_container_layout parent_layout = container_parent_layout(current);
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if (!is_parallel(parent_layout, move_dir)) {
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if (!current->parent) {
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// No parallel parent, so we reorient the workspace
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current = workspace_wrap_children(current->workspace);
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current->workspace->layout =
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move_dir == WLR_DIRECTION_LEFT ||
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move_dir == WLR_DIRECTION_RIGHT ?
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L_HORIZ : L_VERT;
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container->height = container->width = 0;
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container->height_fraction = container->width_fraction = 0;
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workspace_update_representation(current->workspace);
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wrapped = true;
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} else {
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// Keep looking for a parallel parent
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current = current->parent;
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}
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continue;
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}
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if (is_parallel(layout, move_dir)) {
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if (desired == -1 || desired == siblings->length) {
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if (current->parent == container->parent) {
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current = current->parent;
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continue;
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} else {
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// Reparenting
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if (current->parent) {
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container_insert_child(current->parent, container,
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index + (offs < 0 ? 0 : 1));
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} else {
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workspace_insert_tiling(current->workspace, container,
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index + (offs < 0 ? 0 : 1));
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}
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return true;
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}
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} else {
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// Container can move within its siblings
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container_move_to_container_from_direction(container,
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siblings->items[desired], move_dir);
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return true;
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}
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// Only scratchpad hidden containers don't have siblings
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// so siblings != NULL here
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siblings = container_get_siblings(current);
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index = list_find(siblings, current);
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desired = index + offs;
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target = desired == -1 || desired == siblings->length ?
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NULL : siblings->items[desired];
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// If the move is simple we can complete it here early
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if (current == container) {
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if (target) {
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// Container will swap with or descend into its neighbor
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container_move_to_container_from_direction(container,
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target, move_dir);
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return true;
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} else if (!container->parent) {
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// Container is at workspace level so we move it to the
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// next workspace if possible
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return container_move_to_next_output(container,
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current->workspace->output, move_dir);
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} else {
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// Container has escaped its immediate parallel parent
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current = current->parent;
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continue;
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}
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}
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current = current->parent;
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// We found a suitable ancestor, the loop will end
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ancestor = current;
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}
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// Maybe rejigger the workspace
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struct sway_workspace *ws = container->workspace;
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if (ws) {
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if (!is_parallel(ws->layout, move_dir)) {
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workspace_rejigger(ws, container, move_dir);
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return true;
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} else if (ws->layout == L_TABBED || ws->layout == L_STACKED) {
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workspace_rejigger(ws, container, move_dir);
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return true;
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if (target) {
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// Container will move in with its cousin
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container_move_to_container_from_direction(container,
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target, move_dir);
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return true;
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} else if (!wrapped && !container->parent->parent &&
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container->parent->children->length == 1) {
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// Treat singleton children as if they are at workspace level like i3
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// https://github.com/i3/i3/blob/1d9160f2d247dbaa83fb62f02fd7041dec767fc2/src/move.c#L367
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return container_move_to_next_output(container,
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ancestor->workspace->output, move_dir);
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} else {
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// Container will be promoted
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struct sway_container *old_parent = container->parent;
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if (ancestor->parent) {
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// Container will move in with its parent
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container_insert_child(ancestor->parent, container,
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index + (offs < 0 ? 0 : 1));
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} else {
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// Container will move to workspace level,
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// may be re-split by workspace_layout
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workspace_insert_tiling(ancestor->workspace, container,
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index + (offs < 0 ? 0 : 1));
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}
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// Try adjacent output
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struct sway_output *output =
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output_get_in_direction(container->workspace->output, move_dir);
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if (output) {
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struct sway_workspace *ws = output_get_active_workspace(output);
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if (!sway_assert(ws, "Expected output to have a workspace")) {
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return false;
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}
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container_move_to_workspace_from_direction(container, ws, move_dir);
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return true;
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if (old_parent) {
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container_reap_empty(old_parent);
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}
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sway_log(SWAY_DEBUG, "Hit edge of output, nowhere else to go");
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return true;
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}
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return false;
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}
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static struct cmd_results *cmd_move_to_scratchpad(void);
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