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330 lines
9.1 KiB
330 lines
9.1 KiB
#include <strings.h>
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#include <wlr/util/log.h>
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#include "log.h"
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#include "sway/commands.h"
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#include "sway/input/input-manager.h"
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#include "sway/input/seat.h"
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#include "sway/output.h"
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#include "sway/tree/arrange.h"
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#include "sway/tree/view.h"
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#include "sway/tree/workspace.h"
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#include "stringop.h"
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static bool parse_movement_direction(const char *name,
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enum movement_direction *out) {
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if (strcasecmp(name, "left") == 0) {
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*out = MOVE_LEFT;
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} else if (strcasecmp(name, "right") == 0) {
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*out = MOVE_RIGHT;
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} else if (strcasecmp(name, "up") == 0) {
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*out = MOVE_UP;
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} else if (strcasecmp(name, "down") == 0) {
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*out = MOVE_DOWN;
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} else if (strcasecmp(name, "parent") == 0) {
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*out = MOVE_PARENT;
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} else if (strcasecmp(name, "child") == 0) {
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*out = MOVE_CHILD;
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} else {
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return false;
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}
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return true;
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}
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/**
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* Get swayc in the direction of newly entered output.
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*/
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static struct sway_container *get_swayc_in_output_direction(
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struct sway_container *output, enum movement_direction dir,
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struct sway_seat *seat) {
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if (!output) {
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return NULL;
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}
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struct sway_container *ws = seat_get_focus_inactive(seat, output);
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if (ws->type != C_WORKSPACE) {
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ws = container_parent(ws, C_WORKSPACE);
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}
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if (ws == NULL) {
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wlr_log(WLR_ERROR, "got an output without a workspace");
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return NULL;
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}
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if (ws->children->length > 0) {
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switch (dir) {
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case MOVE_LEFT:
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if (ws->layout == L_HORIZ || ws->layout == L_TABBED) {
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// get most right child of new output
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return ws->children->items[ws->children->length-1];
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} else {
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return seat_get_focus_inactive(seat, ws);
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}
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case MOVE_RIGHT:
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if (ws->layout == L_HORIZ || ws->layout == L_TABBED) {
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// get most left child of new output
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return ws->children->items[0];
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} else {
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return seat_get_focus_inactive(seat, ws);
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}
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case MOVE_UP:
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case MOVE_DOWN: {
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struct sway_container *focused =
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seat_get_focus_inactive(seat, ws);
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if (focused && focused->parent) {
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struct sway_container *parent = focused->parent;
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if (parent->layout == L_VERT) {
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if (dir == MOVE_UP) {
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// get child furthest down on new output
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int idx = parent->children->length - 1;
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return parent->children->items[idx];
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} else if (dir == MOVE_DOWN) {
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// get child furthest up on new output
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return parent->children->items[0];
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}
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}
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return focused;
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}
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break;
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}
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default:
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break;
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}
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}
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return ws;
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}
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static struct sway_container *container_get_in_direction(
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struct sway_container *container, struct sway_seat *seat,
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enum movement_direction dir) {
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struct sway_container *parent = container->parent;
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if (dir == MOVE_CHILD) {
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return seat_get_focus_inactive(seat, container);
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}
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if (container->is_fullscreen) {
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if (dir == MOVE_PARENT) {
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return NULL;
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}
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container = container_parent(container, C_OUTPUT);
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parent = container->parent;
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} else {
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if (dir == MOVE_PARENT) {
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if (parent->type == C_OUTPUT || container_is_floating(container)) {
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return NULL;
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} else {
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return parent;
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}
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}
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}
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struct sway_container *wrap_candidate = NULL;
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while (true) {
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bool can_move = false;
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int desired;
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int idx = list_find(container->parent->children, container);
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if (idx == -1) {
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return NULL;
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}
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if (parent->type == C_ROOT) {
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enum wlr_direction wlr_dir = 0;
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if (!sway_assert(sway_dir_to_wlr(dir, &wlr_dir),
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"got invalid direction: %d", dir)) {
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return NULL;
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}
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int lx = container->x + container->width / 2;
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int ly = container->y + container->height / 2;
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struct wlr_output_layout *layout =
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root_container.sway_root->output_layout;
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struct wlr_output *wlr_adjacent =
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wlr_output_layout_adjacent_output(layout, wlr_dir,
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container->sway_output->wlr_output, lx, ly);
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struct sway_container *adjacent =
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output_from_wlr_output(wlr_adjacent);
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if (!adjacent || adjacent == container) {
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if (!wrap_candidate) {
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return NULL;
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}
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return seat_get_focus_inactive_view(seat, wrap_candidate);
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}
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struct sway_container *next =
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get_swayc_in_output_direction(adjacent, dir, seat);
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if (next == NULL) {
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return NULL;
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}
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struct sway_container *next_workspace = next;
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if (next_workspace->type != C_WORKSPACE) {
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next_workspace = container_parent(next_workspace, C_WORKSPACE);
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}
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sway_assert(next_workspace, "Next container has no workspace");
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if (next_workspace->sway_workspace->fullscreen) {
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return seat_get_focus_inactive(seat,
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next_workspace->sway_workspace->fullscreen);
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}
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if (next->children && next->children->length) {
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// TODO consider floating children as well
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return seat_get_focus_inactive_view(seat, next);
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} else {
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return next;
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}
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} else {
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if (dir == MOVE_LEFT || dir == MOVE_RIGHT) {
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if (parent->layout == L_HORIZ || parent->layout == L_TABBED) {
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can_move = true;
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desired = idx + (dir == MOVE_LEFT ? -1 : 1);
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}
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} else {
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if (parent->layout == L_VERT || parent->layout == L_STACKED) {
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can_move = true;
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desired = idx + (dir == MOVE_UP ? -1 : 1);
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}
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}
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}
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if (can_move) {
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// TODO handle floating
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if (desired < 0 || desired >= parent->children->length) {
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can_move = false;
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int len = parent->children->length;
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if (config->focus_wrapping != WRAP_NO && !wrap_candidate
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&& len > 1) {
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if (desired < 0) {
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wrap_candidate = parent->children->items[len-1];
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} else {
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wrap_candidate = parent->children->items[0];
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}
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if (config->focus_wrapping == WRAP_FORCE) {
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return seat_get_focus_inactive_view(seat,
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wrap_candidate);
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}
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}
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} else {
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struct sway_container *desired_con =
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parent->children->items[desired];
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wlr_log(WLR_DEBUG,
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"cont %d-%p dir %i sibling %d: %p", idx,
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container, dir, desired, desired_con);
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return seat_get_focus_inactive_view(seat, desired_con);
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}
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}
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if (!can_move) {
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container = parent;
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parent = parent->parent;
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if (!parent) {
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// wrapping is the last chance
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if (!wrap_candidate) {
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return NULL;
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}
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return seat_get_focus_inactive_view(seat, wrap_candidate);
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}
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}
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}
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}
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static struct cmd_results *focus_mode(struct sway_container *con,
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struct sway_seat *seat, bool floating) {
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struct sway_container *ws = con->type == C_WORKSPACE ?
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con : container_parent(con, C_WORKSPACE);
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// If the container is in a floating split container,
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// operate on the split container instead of the child.
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if (container_is_floating_or_child(con)) {
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while (con->parent->type != C_WORKSPACE) {
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con = con->parent;
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}
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}
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struct sway_container *new_focus = NULL;
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if (floating) {
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new_focus = seat_get_focus_inactive_floating(seat, ws);
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} else {
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new_focus = seat_get_focus_inactive_tiling(seat, ws);
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}
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if (new_focus) {
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seat_set_focus(seat, new_focus);
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} else {
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return cmd_results_new(CMD_FAILURE, "focus",
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"Failed to find a %s container in workspace",
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floating ? "floating" : "tiling");
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}
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return cmd_results_new(CMD_SUCCESS, NULL, NULL);
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}
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static struct cmd_results *focus_output(struct sway_container *con,
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struct sway_seat *seat, int argc, char **argv) {
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if (!argc) {
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return cmd_results_new(CMD_INVALID, "focus",
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"Expected 'focus output <direction|name>'");
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}
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char *identifier = join_args(argv, argc);
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struct sway_container *output = output_by_name(identifier);
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if (!output) {
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enum movement_direction direction;
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if (!parse_movement_direction(identifier, &direction) ||
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direction == MOVE_PARENT || direction == MOVE_CHILD) {
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free(identifier);
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return cmd_results_new(CMD_INVALID, "focus",
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"There is no output with that name");
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}
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struct sway_container *focus = seat_get_focus(seat);
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focus = container_parent(focus, C_OUTPUT);
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output = container_get_in_direction(focus, seat, direction);
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}
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free(identifier);
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if (output) {
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seat_set_focus(seat, seat_get_focus_inactive(seat, output));
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}
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return cmd_results_new(CMD_SUCCESS, NULL, NULL);
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}
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struct cmd_results *cmd_focus(int argc, char **argv) {
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if (config->reading || !config->active) {
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return cmd_results_new(CMD_DEFER, NULL, NULL);
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}
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struct sway_container *con = config->handler_context.current_container;
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struct sway_seat *seat = config->handler_context.seat;
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if (con->type < C_WORKSPACE) {
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return cmd_results_new(CMD_FAILURE, "focus",
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"Command 'focus' cannot be used above the workspace level");
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}
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if (argc == 0) {
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seat_set_focus(seat, con);
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return cmd_results_new(CMD_SUCCESS, NULL, NULL);
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}
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if (strcmp(argv[0], "floating") == 0) {
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return focus_mode(con, seat, true);
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} else if (strcmp(argv[0], "tiling") == 0) {
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return focus_mode(con, seat, false);
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} else if (strcmp(argv[0], "mode_toggle") == 0) {
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return focus_mode(con, seat, !container_is_floating_or_child(con));
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}
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if (strcmp(argv[0], "output") == 0) {
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argc--; argv++;
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return focus_output(con, seat, argc, argv);
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}
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enum movement_direction direction = 0;
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if (!parse_movement_direction(argv[0], &direction)) {
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return cmd_results_new(CMD_INVALID, "focus",
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"Expected 'focus <direction|parent|child|mode_toggle|floating|tiling>' "
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"or 'focus output <direction|name>'");
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}
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struct sway_container *next_focus = container_get_in_direction(
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con, seat, direction);
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if (next_focus) {
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seat_set_focus(seat, next_focus);
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}
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return cmd_results_new(CMD_SUCCESS, NULL, NULL);
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}
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