mirror of
https://github.com/NickHu/sway
synced 2024-12-27 21:58:11 +01:00
c6e7cf1ae5
When issuing a focus command on a specific container, users expect to proceed it even if is hidden by a fullscreen window. This matches the behavior of i3.
464 lines
14 KiB
C
464 lines
14 KiB
C
#include <float.h>
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#include <strings.h>
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#include <wlr/types/wlr_output_layout.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/cursor.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/root.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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#include "util.h"
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static bool get_direction_from_next_prev(struct sway_container *container,
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struct sway_seat *seat, const char *name, enum wlr_direction *out) {
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enum sway_container_layout parent_layout = L_NONE;
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if (container) {
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parent_layout = container_parent_layout(container);
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}
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if (strcasecmp(name, "prev") == 0) {
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switch (parent_layout) {
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case L_HORIZ:
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case L_TABBED:
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*out = WLR_DIRECTION_LEFT;
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break;
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case L_VERT:
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case L_STACKED:
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*out = WLR_DIRECTION_UP;
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break;
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case L_NONE:
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return true;
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default:
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return false;
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}
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} else if (strcasecmp(name, "next") == 0) {
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switch (parent_layout) {
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case L_HORIZ:
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case L_TABBED:
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*out = WLR_DIRECTION_RIGHT;
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break;
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case L_VERT:
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case L_STACKED:
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*out = WLR_DIRECTION_DOWN;
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break;
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case L_NONE:
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return true;
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default:
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return false;
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}
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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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static bool parse_direction(const char *name,
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enum wlr_direction *out) {
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if (strcasecmp(name, "left") == 0) {
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*out = WLR_DIRECTION_LEFT;
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} else if (strcasecmp(name, "right") == 0) {
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*out = WLR_DIRECTION_RIGHT;
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} else if (strcasecmp(name, "up") == 0) {
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*out = WLR_DIRECTION_UP;
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} else if (strcasecmp(name, "down") == 0) {
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*out = WLR_DIRECTION_DOWN;
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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 node in the direction of newly entered output.
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*/
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static struct sway_node *get_node_in_output_direction(
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struct sway_output *output, enum wlr_direction dir) {
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struct sway_seat *seat = config->handler_context.seat;
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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 NULL;
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}
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if (ws->fullscreen) {
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return seat_get_focus_inactive(seat, &ws->fullscreen->node);
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}
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struct sway_container *container = NULL;
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if (ws->tiling->length > 0) {
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switch (dir) {
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case WLR_DIRECTION_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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container = ws->tiling->items[ws->tiling->length-1];
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} else {
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container = seat_get_focus_inactive_tiling(seat, ws);
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}
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break;
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case WLR_DIRECTION_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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container = ws->tiling->items[0];
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} else {
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container = seat_get_focus_inactive_tiling(seat, ws);
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}
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break;
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case WLR_DIRECTION_UP:
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if (ws->layout == L_VERT || ws->layout == L_STACKED) {
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// get most bottom child of new output
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container = ws->tiling->items[ws->tiling->length-1];
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} else {
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container = seat_get_focus_inactive_tiling(seat, ws);
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}
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break;
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case WLR_DIRECTION_DOWN:
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if (ws->layout == L_VERT || ws->layout == L_STACKED) {
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// get most top child of new output
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container = ws->tiling->items[0];
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} else {
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container = seat_get_focus_inactive_tiling(seat, ws);
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}
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break;
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}
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}
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if (container) {
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container = seat_get_focus_inactive_view(seat, &container->node);
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return &container->node;
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}
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return &ws->node;
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}
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static struct sway_node *node_get_in_direction_tiling(
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struct sway_container *container, struct sway_seat *seat,
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enum wlr_direction dir, bool descend) {
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struct sway_container *wrap_candidate = NULL;
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struct sway_container *current = container;
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while (current) {
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if (current->pending.fullscreen_mode == FULLSCREEN_WORKSPACE) {
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// Fullscreen container with a direction - go straight to outputs
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struct sway_output *output = current->pending.workspace->output;
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struct sway_output *new_output =
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output_get_in_direction(output, dir);
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if (!new_output) {
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return NULL;
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}
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return get_node_in_output_direction(new_output, dir);
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}
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if (current->pending.fullscreen_mode == FULLSCREEN_GLOBAL) {
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return NULL;
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}
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bool can_move = false;
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int desired;
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int idx = container_sibling_index(current);
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enum sway_container_layout parent_layout =
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container_parent_layout(current);
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list_t *siblings = container_get_siblings(current);
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if (dir == WLR_DIRECTION_LEFT || dir == WLR_DIRECTION_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 == WLR_DIRECTION_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 == WLR_DIRECTION_UP ? -1 : 1);
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}
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}
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if (can_move) {
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if (desired < 0 || desired >= siblings->length) {
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int len = siblings->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 = siblings->items[len-1];
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} else {
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wrap_candidate = siblings->items[0];
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}
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if (config->focus_wrapping == WRAP_FORCE) {
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struct sway_container *c = seat_get_focus_inactive_view(
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seat, &wrap_candidate->node);
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return &c->node;
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}
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}
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} else {
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struct sway_container *desired_con = siblings->items[desired];
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if (!descend) {
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return &desired_con->node;
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} else {
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struct sway_container *c = seat_get_focus_inactive_view(
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seat, &desired_con->node);
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return &c->node;
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}
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}
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}
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current = current->pending.parent;
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}
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// Check a different output
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struct sway_output *output = container->pending.workspace->output;
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struct sway_output *new_output = output_get_in_direction(output, dir);
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if ((config->focus_wrapping != WRAP_WORKSPACE ||
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container->node.type == N_WORKSPACE) && new_output) {
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return get_node_in_output_direction(new_output, dir);
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}
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// If there is a wrap candidate, return its focus inactive view
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if (wrap_candidate) {
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struct sway_container *wrap_inactive = seat_get_focus_inactive_view(
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seat, &wrap_candidate->node);
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return &wrap_inactive->node;
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}
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return NULL;
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}
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static struct sway_node *node_get_in_direction_floating(
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struct sway_container *con, struct sway_seat *seat,
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enum wlr_direction dir) {
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double ref_lx = con->pending.x + con->pending.width / 2;
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double ref_ly = con->pending.y + con->pending.height / 2;
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double closest_distance = DBL_MAX;
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struct sway_container *closest_con = NULL;
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if (!con->pending.workspace) {
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return NULL;
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}
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for (int i = 0; i < con->pending.workspace->floating->length; i++) {
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struct sway_container *floater = con->pending.workspace->floating->items[i];
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if (floater == con) {
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continue;
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}
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float distance = dir == WLR_DIRECTION_LEFT || dir == WLR_DIRECTION_RIGHT
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? (floater->pending.x + floater->pending.width / 2) - ref_lx
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: (floater->pending.y + floater->pending.height / 2) - ref_ly;
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if (dir == WLR_DIRECTION_LEFT || dir == WLR_DIRECTION_UP) {
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distance = -distance;
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}
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if (distance < 0) {
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continue;
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}
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if (distance < closest_distance) {
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closest_distance = distance;
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closest_con = floater;
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}
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}
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return closest_con ? &closest_con->node : NULL;
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}
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static struct cmd_results *focus_mode(struct sway_workspace *ws,
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struct sway_seat *seat, bool floating) {
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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_container(seat, new_focus);
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// If we're on the floating layer and the floating container area
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// overlaps the position on the tiling layer that would be warped to,
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// `seat_consider_warp_to_focus` would decide not to warp, but we need
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// to anyway.
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if (config->mouse_warping == WARP_CONTAINER) {
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cursor_warp_to_container(seat->cursor, new_focus, true);
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} else {
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seat_consider_warp_to_focus(seat);
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}
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} else {
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return cmd_results_new(CMD_FAILURE,
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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);
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}
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static struct cmd_results *focus_output(struct sway_seat *seat,
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int argc, char **argv) {
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if (!argc) {
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return cmd_results_new(CMD_INVALID,
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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_output *output = output_by_name_or_id(identifier);
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if (!output) {
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enum wlr_direction direction;
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if (!parse_direction(identifier, &direction)) {
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free(identifier);
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return cmd_results_new(CMD_INVALID,
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"There is no output with that name");
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}
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struct sway_workspace *ws = seat_get_focused_workspace(seat);
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if (!ws) {
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free(identifier);
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return cmd_results_new(CMD_FAILURE,
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"No focused workspace to base directions off of");
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}
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output = output_get_in_direction(ws->output, direction);
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if (!output) {
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int center_lx = ws->output->lx + ws->output->width / 2;
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int center_ly = ws->output->ly + ws->output->height / 2;
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struct wlr_output *target = wlr_output_layout_farthest_output(
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root->output_layout, opposite_direction(direction),
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ws->output->wlr_output, center_lx, center_ly);
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if (target) {
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output = output_from_wlr_output(target);
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}
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}
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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->node));
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seat_consider_warp_to_focus(seat);
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}
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return cmd_results_new(CMD_SUCCESS, NULL);
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}
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static struct cmd_results *focus_parent(void) {
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struct sway_seat *seat = config->handler_context.seat;
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struct sway_container *con = config->handler_context.container;
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if (!con || con->pending.fullscreen_mode) {
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return cmd_results_new(CMD_SUCCESS, NULL);
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}
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struct sway_node *parent = node_get_parent(&con->node);
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if (parent) {
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seat_set_focus(seat, parent);
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seat_consider_warp_to_focus(seat);
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}
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return cmd_results_new(CMD_SUCCESS, NULL);
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}
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static struct cmd_results *focus_child(void) {
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struct sway_seat *seat = config->handler_context.seat;
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struct sway_node *node = config->handler_context.node;
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struct sway_node *focus = seat_get_active_tiling_child(seat, node);
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if (focus) {
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seat_set_focus(seat, focus);
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seat_consider_warp_to_focus(seat);
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}
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return cmd_results_new(CMD_SUCCESS, 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);
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}
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if (!root->outputs->length) {
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return cmd_results_new(CMD_INVALID,
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"Can't run this command while there's no outputs connected.");
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}
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struct sway_node *node = config->handler_context.node;
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struct sway_container *container = config->handler_context.container;
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struct sway_workspace *workspace = config->handler_context.workspace;
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struct sway_seat *seat = config->handler_context.seat;
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if (node->type < N_WORKSPACE) {
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return cmd_results_new(CMD_FAILURE,
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"Command 'focus' cannot be used above the workspace level");
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}
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if (argc == 0 && container) {
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if (container_is_scratchpad_hidden_or_child(container)) {
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root_scratchpad_show(container);
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}
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// if we are switching to a container under a fullscreen window, we first
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// need to exit fullscreen so that the newly focused container becomes visible
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struct sway_container *obstructing = container_obstructing_fullscreen_container(container);
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if (obstructing) {
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container_fullscreen_disable(obstructing);
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arrange_root();
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}
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seat_set_focus_container(seat, container);
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seat_consider_warp_to_focus(seat);
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container_raise_floating(container);
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return cmd_results_new(CMD_SUCCESS, NULL);
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}
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if (strcmp(argv[0], "floating") == 0) {
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return focus_mode(workspace, seat, true);
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} else if (strcmp(argv[0], "tiling") == 0) {
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return focus_mode(workspace, seat, false);
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} else if (strcmp(argv[0], "mode_toggle") == 0) {
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bool floating = container && container_is_floating_or_child(container);
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return focus_mode(workspace, seat, !floating);
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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(seat, argc, argv);
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}
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if (strcasecmp(argv[0], "parent") == 0) {
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return focus_parent();
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}
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if (strcasecmp(argv[0], "child") == 0) {
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return focus_child();
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}
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enum wlr_direction direction = 0;
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bool descend = true;
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if (!parse_direction(argv[0], &direction)) {
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if (!get_direction_from_next_prev(container, seat, argv[0], &direction)) {
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return cmd_results_new(CMD_INVALID,
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"Expected 'focus <direction|next|prev|parent|child|mode_toggle|floating|tiling>' "
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"or 'focus output <direction|name>'");
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} else if (argc == 2 && strcasecmp(argv[1], "sibling") == 0) {
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descend = false;
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}
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}
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if (!direction) {
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return cmd_results_new(CMD_SUCCESS, NULL);
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}
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if (node->type == N_WORKSPACE) {
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// Jump to the next output
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struct sway_output *new_output =
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output_get_in_direction(workspace->output, direction);
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if (!new_output) {
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return cmd_results_new(CMD_SUCCESS, NULL);
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}
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struct sway_node *node =
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get_node_in_output_direction(new_output, direction);
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seat_set_focus(seat, node);
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seat_consider_warp_to_focus(seat);
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return cmd_results_new(CMD_SUCCESS, NULL);
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}
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if (!sway_assert(container, "Expected container to be non null")) {
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return cmd_results_new(CMD_FAILURE, "");
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}
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struct sway_node *next_focus = NULL;
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if (container_is_floating(container)) {
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next_focus = node_get_in_direction_floating(container, seat, direction);
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} else {
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next_focus = node_get_in_direction_tiling(container, seat, direction, descend);
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}
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if (next_focus) {
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seat_set_focus(seat, next_focus);
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seat_consider_warp_to_focus(seat);
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if (next_focus->type == N_CONTAINER) {
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container_raise_floating(next_focus->sway_container);
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}
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}
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return cmd_results_new(CMD_SUCCESS, NULL);
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}
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