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