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253 lines
7.7 KiB
253 lines
7.7 KiB
#define _XOPEN_SOURCE 500
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#include <stdbool.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <strings.h>
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#include "sway/tree/container.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/tree/workspace.h"
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#include "log.h"
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#include "util.h"
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char *prev_workspace_name = NULL;
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struct workspace_by_number_data {
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int len;
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const char *cset;
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const char *name;
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};
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void next_name_map(struct sway_container *ws, void *data) {
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int *count = data;
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++count;
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}
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char *workspace_next_name(const char *output_name) {
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wlr_log(L_DEBUG, "Workspace: Generating new workspace name for output %s",
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output_name);
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int count = 0;
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next_name_map(&root_container, &count);
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++count;
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int len = snprintf(NULL, 0, "%d", count);
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char *name = malloc(len + 1);
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if (!sway_assert(name, "Failed to allocate workspace name")) {
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return NULL;
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}
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snprintf(name, len + 1, "%d", count);
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return name;
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}
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static bool _workspace_by_number(struct sway_container *view, void *data) {
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if (view->type != C_WORKSPACE) {
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return false;
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}
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struct workspace_by_number_data *wbnd = data;
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int a = strspn(view->name, wbnd->cset);
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return a == wbnd->len && strncmp(view->name, wbnd->name, a) == 0;
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}
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struct sway_container *workspace_by_number(const char* name) {
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struct workspace_by_number_data wbnd = {0, "1234567890", name};
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wbnd.len = strspn(name, wbnd.cset);
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if (wbnd.len <= 0) {
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return NULL;
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}
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return container_find(&root_container,
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_workspace_by_number, (void *) &wbnd);
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}
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static bool _workspace_by_name(struct sway_container *view, void *data) {
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return (view->type == C_WORKSPACE) &&
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(strcasecmp(view->name, (char *) data) == 0);
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}
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struct sway_container *workspace_by_name(const char *name) {
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struct sway_seat *seat = input_manager_current_seat(input_manager);
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struct sway_container *current_workspace = NULL, *current_output = NULL;
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struct sway_container *focus = sway_seat_get_focus(seat);
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if (focus) {
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current_workspace = container_parent(focus, C_WORKSPACE);
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current_output = container_parent(focus, C_OUTPUT);
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}
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if (strcmp(name, "prev") == 0) {
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return workspace_prev(current_workspace);
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} else if (strcmp(name, "prev_on_output") == 0) {
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return workspace_output_prev(current_output);
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} else if (strcmp(name, "next") == 0) {
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return workspace_next(current_workspace);
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} else if (strcmp(name, "next_on_output") == 0) {
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return workspace_output_next(current_output);
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} else if (strcmp(name, "current") == 0) {
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return current_workspace;
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} else {
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return container_find(&root_container, _workspace_by_name,
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(void *)name);
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}
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}
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struct sway_container *workspace_create(const char *name) {
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struct sway_container *parent;
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// Search for workspace<->output pair
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int i, e = config->workspace_outputs->length;
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for (i = 0; i < e; ++i) {
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struct workspace_output *wso = config->workspace_outputs->items[i];
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if (strcasecmp(wso->workspace, name) == 0) {
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// Find output to use if it exists
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e = root_container.children->length;
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for (i = 0; i < e; ++i) {
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parent = root_container.children->items[i];
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if (strcmp(parent->name, wso->output) == 0) {
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return container_workspace_create(parent, name);
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}
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}
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break;
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}
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}
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// Otherwise create a new one
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struct sway_seat *seat = input_manager_current_seat(input_manager);
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struct sway_container *focus =
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sway_seat_get_focus_inactive(seat, &root_container);
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parent = focus;
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parent = container_parent(parent, C_OUTPUT);
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return container_workspace_create(parent, name);
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}
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/**
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* Get the previous or next workspace on the specified output. Wraps around at
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* the end and beginning. If next is false, the previous workspace is returned,
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* otherwise the next one is returned.
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*/
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struct sway_container *workspace_output_prev_next_impl(
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struct sway_container *output, bool next) {
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if (!sway_assert(output->type == C_OUTPUT,
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"Argument must be an output, is %d", output->type)) {
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return NULL;
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}
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struct sway_seat *seat = input_manager_current_seat(input_manager);
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struct sway_container *focus = sway_seat_get_focus_inactive(seat, output);
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struct sway_container *workspace = (focus->type == C_WORKSPACE ?
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focus :
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container_parent(focus, C_WORKSPACE));
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int i;
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for (i = 0; i < output->children->length; i++) {
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if (output->children->items[i] == workspace) {
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return output->children->items[
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wrap(i + (next ? 1 : -1), output->children->length)];
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}
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}
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// Doesn't happen, at worst the for loop returns the previously active
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// workspace
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return NULL;
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}
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/**
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* Get the previous or next workspace. If the first/last workspace on an output
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* is active, proceed to the previous/next output's previous/next workspace. If
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* next is false, the previous workspace is returned, otherwise the next one is
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* returned.
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*/
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struct sway_container *workspace_prev_next_impl(
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struct sway_container *workspace, bool next) {
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if (!sway_assert(workspace->type == C_WORKSPACE,
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"Argument must be a workspace, is %d", workspace->type)) {
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return NULL;
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}
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struct sway_container *current_output = workspace->parent;
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int offset = next ? 1 : -1;
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int start = next ? 0 : 1;
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int end;
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if (next) {
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end = current_output->children->length - 1;
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} else {
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end = current_output->children->length;
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}
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int i;
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for (i = start; i < end; i++) {
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if (current_output->children->items[i] == workspace) {
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return current_output->children->items[i + offset];
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}
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}
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// Given workspace is the first/last on the output, jump to the
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// previous/next output
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int num_outputs = root_container.children->length;
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for (i = 0; i < num_outputs; i++) {
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if (root_container.children->items[i] == current_output) {
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struct sway_container *next_output = root_container.children->items[
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wrap(i + offset, num_outputs)];
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return workspace_output_prev_next_impl(next_output, next);
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}
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}
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// Doesn't happen, at worst the for loop returns the previously active
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// workspace on the active output
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return NULL;
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}
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struct sway_container *workspace_output_next(struct sway_container *current) {
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return workspace_output_prev_next_impl(current, true);
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}
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struct sway_container *workspace_next(struct sway_container *current) {
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return workspace_prev_next_impl(current, true);
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}
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struct sway_container *workspace_output_prev(struct sway_container *current) {
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return workspace_output_prev_next_impl(current, false);
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}
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struct sway_container *workspace_prev(struct sway_container *current) {
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return workspace_prev_next_impl(current, false);
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}
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bool workspace_switch(struct sway_container *workspace) {
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if (!workspace) {
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return false;
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}
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struct sway_seat *seat = input_manager_current_seat(input_manager);
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struct sway_container *focus =
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sway_seat_get_focus_inactive(seat, &root_container);
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if (!seat || !focus) {
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return false;
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}
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struct sway_container *active_ws = focus;
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if (active_ws->type != C_WORKSPACE) {
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container_parent(focus, C_WORKSPACE);
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}
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if (config->auto_back_and_forth
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&& active_ws == workspace
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&& prev_workspace_name) {
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struct sway_container *new_ws = workspace_by_name(prev_workspace_name);
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workspace = new_ws ? new_ws : workspace_create(prev_workspace_name);
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}
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if (!prev_workspace_name || (strcmp(prev_workspace_name, active_ws->name)
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&& active_ws != workspace)) {
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free(prev_workspace_name);
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prev_workspace_name = malloc(strlen(active_ws->name) + 1);
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if (!prev_workspace_name) {
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wlr_log(L_ERROR, "Unable to allocate previous workspace name");
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return false;
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}
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strcpy(prev_workspace_name, active_ws->name);
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}
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// TODO: Deal with sticky containers
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wlr_log(L_DEBUG, "Switching to workspace %p:%s",
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workspace, workspace->name);
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struct sway_container *next = sway_seat_get_focus_inactive(seat, workspace);
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if (next == NULL) {
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next = workspace;
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}
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sway_seat_set_focus(seat, next);
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struct sway_container *output = container_parent(workspace, C_OUTPUT);
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arrange_windows(output, -1, -1);
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return true;
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}
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