gri3-wm/src/commands.c

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/*
* vim:ts=8:expandtab
*
* i3 - an improved dynamic tiling window manager
*
* © 2009 Michael Stapelberg and contributors
*
* See file LICENSE for license information.
*
*/
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <unistd.h>
#include <string.h>
#include <xcb/xcb.h>
#include "util.h"
#include "data.h"
#include "table.h"
#include "layout.h"
#include "i3.h"
#include "xinerama.h"
#include "client.h"
#include "floating.h"
#include "xcb.h"
#include "config.h"
#include "workspace.h"
#include "commands.h"
bool focus_window_in_container(xcb_connection_t *conn, Container *container, direction_t direction) {
/* If this container is empty, were done */
if (container->currently_focused == NULL)
return false;
/* Get the previous/next client or wrap around */
Client *candidate = NULL;
if (direction == D_UP) {
if ((candidate = CIRCLEQ_PREV_OR_NULL(&(container->clients), container->currently_focused, clients)) == NULL)
candidate = CIRCLEQ_LAST(&(container->clients));
}
else if (direction == D_DOWN) {
if ((candidate = CIRCLEQ_NEXT_OR_NULL(&(container->clients), container->currently_focused, clients)) == NULL)
candidate = CIRCLEQ_FIRST(&(container->clients));
} else LOG("Direction not implemented!\n");
/* If we could not switch, the container contains exactly one client. We return false */
if (candidate == container->currently_focused)
return false;
/* Set focus */
set_focus(conn, candidate, true);
return true;
}
typedef enum { THING_WINDOW, THING_CONTAINER, THING_SCREEN } thing_t;
static void focus_thing(xcb_connection_t *conn, direction_t direction, thing_t thing) {
LOG("focusing direction %d\n", direction);
int new_row = current_row,
new_col = current_col;
Container *container = CUR_CELL;
Workspace *t_ws = c_ws;
/* Makes sure new_col and new_row are within bounds of the new workspace */
void check_colrow_boundaries() {
if (new_col >= t_ws->cols)
new_col = (t_ws->cols - 1);
if (new_row >= t_ws->rows)
new_row = (t_ws->rows - 1);
}
/* There always is a container. If not, current_col or current_row is wrong */
assert(container != NULL);
if (container->workspace->fullscreen_client != NULL) {
LOG("You're in fullscreen mode. Won't switch focus\n");
return;
}
/* For focusing screens, situation is different: we get the rect
* of the current screen, then get the screen which is on its
* right/left/bottom/top and just switch to the workspace on
* the target screen. */
if (thing == THING_SCREEN) {
i3Screen *cs = c_ws->screen;
assert(cs != NULL);
Rect bounds = cs->rect;
if (direction == D_RIGHT)
bounds.x += bounds.width;
else if (direction == D_LEFT)
bounds.x -= bounds.width;
else if (direction == D_UP)
bounds.y -= bounds.height;
else bounds.y += bounds.height;
i3Screen *target = get_screen_containing(bounds.x, bounds.y);
if (target == NULL) {
LOG("Target screen NULL\n");
/* Wrap around if the target screen is out of bounds */
if (direction == D_RIGHT)
target = get_screen_most(D_LEFT, cs);
else if (direction == D_LEFT)
target = get_screen_most(D_RIGHT, cs);
else if (direction == D_UP)
target = get_screen_most(D_DOWN, cs);
else target = get_screen_most(D_UP, cs);
}
LOG("Switching to ws %d\n", target->current_workspace + 1);
workspace_show(conn, target->current_workspace + 1);
return;
}
/* TODO: for horizontal default layout, this has to be expanded to LEFT/RIGHT */
if (direction == D_UP || direction == D_DOWN) {
if (thing == THING_WINDOW)
/* Lets see if we can perform up/down focus in the current container */
if (focus_window_in_container(conn, container, direction))
return;
if (direction == D_DOWN && cell_exists(current_col, current_row+1))
new_row = current_row + t_ws->table[current_col][current_row]->rowspan;
else if (direction == D_UP && cell_exists(current_col, current_row-1)) {
/* Set new_row as a sane default, but it may get overwritten in a second */
new_row--;
/* Search from the top to correctly handle rowspanned containers */
for (int rows = 0; rows < current_row; rows += t_ws->table[current_col][rows]->rowspan) {
if (new_row > (rows + (t_ws->table[current_col][rows]->rowspan - 1)))
continue;
new_row = rows;
break;
}
} else {
/* Lets see if there is a screen down/up there to which we can switch */
LOG("container is at %d with height %d\n", container->y, container->height);
i3Screen *screen;
int destination_y = (direction == D_UP ? (container->y - 1) : (container->y + container->height + 1));
if ((screen = get_screen_containing(container->x, destination_y)) == NULL) {
LOG("Wrapping screen around vertically\n");
/* No screen found? Then wrap */
screen = get_screen_most((direction == D_UP ? D_DOWN : D_UP), container->workspace->screen);
}
t_ws = &(workspaces[screen->current_workspace]);
new_row = (direction == D_UP ? (t_ws->rows - 1) : 0);
}
check_colrow_boundaries();
LOG("new_col = %d, new_row = %d\n", new_col, new_row);
if (t_ws->table[new_col][new_row]->currently_focused == NULL) {
LOG("Cell empty, checking for colspanned client above...\n");
for (int cols = 0; cols < new_col; cols += t_ws->table[cols][new_row]->colspan) {
if (new_col > (cols + (t_ws->table[cols][new_row]->colspan - 1)))
continue;
new_col = cols;
break;
}
LOG("Fixed it to new col %d\n", new_col);
}
} else if (direction == D_LEFT || direction == D_RIGHT) {
if (direction == D_RIGHT && cell_exists(current_col+1, current_row))
new_col = current_col + t_ws->table[current_col][current_row]->colspan;
else if (direction == D_LEFT && cell_exists(current_col-1, current_row)) {
/* Set new_col as a sane default, but it may get overwritten in a second */
new_col--;
/* Search from the left to correctly handle colspanned containers */
for (int cols = 0; cols < current_col; cols += t_ws->table[cols][current_row]->colspan) {
if (new_col > (cols + (t_ws->table[cols][current_row]->colspan - 1)))
continue;
new_col = cols;
break;
}
} else {
/* Lets see if there is a screen left/right here to which we can switch */
LOG("container is at %d with width %d\n", container->x, container->width);
i3Screen *screen;
int destination_x = (direction == D_LEFT ? (container->x - 1) : (container->x + container->width + 1));
if ((screen = get_screen_containing(destination_x, container->y)) == NULL) {
LOG("Wrapping screen around horizontally\n");
screen = get_screen_most((direction == D_LEFT ? D_RIGHT : D_LEFT), container->workspace->screen);
}
t_ws = &(workspaces[screen->current_workspace]);
new_col = (direction == D_LEFT ? (t_ws->cols - 1) : 0);
}
check_colrow_boundaries();
LOG("new_col = %d, new_row = %d\n", new_col, new_row);
if (t_ws->table[new_col][new_row]->currently_focused == NULL) {
LOG("Cell empty, checking for rowspanned client above...\n");
for (int rows = 0; rows < new_row; rows += t_ws->table[new_col][rows]->rowspan) {
if (new_row > (rows + (t_ws->table[new_col][rows]->rowspan - 1)))
continue;
new_row = rows;
break;
}
LOG("Fixed it to new row %d\n", new_row);
}
} else {
LOG("direction unhandled\n");
return;
}
check_colrow_boundaries();
if (t_ws->table[new_col][new_row]->currently_focused != NULL)
set_focus(conn, t_ws->table[new_col][new_row]->currently_focused, true);
}
/*
* Tries to move the window inside its current container.
*
* Returns true if the window could be moved, false otherwise.
*
*/
static bool move_current_window_in_container(xcb_connection_t *conn, Client *client,
direction_t direction) {
assert(client->container != NULL);
Client *other = (direction == D_UP ? CIRCLEQ_PREV(client, clients) :
CIRCLEQ_NEXT(client, clients));
if (other == CIRCLEQ_END(&(client->container->clients)))
return false;
LOG("i can do that\n");
/* We can move the client inside its current container */
CIRCLEQ_REMOVE(&(client->container->clients), client, clients);
if (direction == D_UP)
CIRCLEQ_INSERT_BEFORE(&(client->container->clients), other, client, clients);
else CIRCLEQ_INSERT_AFTER(&(client->container->clients), other, client, clients);
render_layout(conn);
return true;
}
/*
* Moves the current window or whole container to the given direction, creating a column/row if
* necessary.
*
*/
static void move_current_window(xcb_connection_t *conn, direction_t direction) {
LOG("moving window to direction %s\n", (direction == D_UP ? "up" : (direction == D_DOWN ? "down" :
(direction == D_LEFT ? "left" : "right"))));
/* Get current window */
Container *container = CUR_CELL,
*new = NULL;
/* There has to be a container, see focus_window() */
assert(container != NULL);
/* If there is no window or the dock window is focused, were done */
if (container->currently_focused == NULL ||
container->currently_focused->dock)
return;
/* As soon as the client is moved away, the last focused client in the old
* container needs to get focus, if any. Therefore, we save it here. */
Client *current_client = container->currently_focused;
Client *to_focus = get_last_focused_client(conn, container, current_client);
if (to_focus == NULL) {
to_focus = CIRCLEQ_NEXT_OR_NULL(&(container->clients), current_client, clients);
if (to_focus == NULL)
to_focus = CIRCLEQ_PREV_OR_NULL(&(container->clients), current_client, clients);
}
switch (direction) {
case D_LEFT:
/* If were at the left-most position, move the rest of the table right */
if (current_col == 0) {
expand_table_cols_at_head(c_ws);
new = CUR_CELL;
} else
new = CUR_TABLE[--current_col][current_row];
break;
case D_RIGHT:
if (current_col == (c_ws->cols-1))
expand_table_cols(c_ws);
new = CUR_TABLE[++current_col][current_row];
break;
case D_UP:
if (move_current_window_in_container(conn, current_client, D_UP))
return;
/* if were at the up-most position, move the rest of the table down */
if (current_row == 0) {
expand_table_rows_at_head(c_ws);
new = CUR_CELL;
} else
new = CUR_TABLE[current_col][--current_row];
break;
case D_DOWN:
if (move_current_window_in_container(conn, current_client, D_DOWN))
return;
if (current_row == (c_ws->rows-1))
expand_table_rows(c_ws);
new = CUR_TABLE[current_col][++current_row];
break;
/* To make static analyzers happy: */
default:
return;
}
/* Remove it from the old container and put it into the new one */
client_remove_from_container(conn, current_client, container, true);
if (new->currently_focused != NULL)
CIRCLEQ_INSERT_AFTER(&(new->clients), new->currently_focused, current_client, clients);
else CIRCLEQ_INSERT_TAIL(&(new->clients), current_client, clients);
SLIST_INSERT_HEAD(&(new->workspace->focus_stack), current_client, focus_clients);
/* Update data structures */
current_client->container = new;
current_client->workspace = new->workspace;
container->currently_focused = to_focus;
new->currently_focused = current_client;
Workspace *workspace = container->workspace;
/* delete all empty columns/rows */
cleanup_table(conn, workspace);
/* Fix colspan/rowspan if itd overlap */
fix_colrowspan(conn, workspace);
render_workspace(conn, workspace->screen, workspace);
xcb_flush(conn);
set_focus(conn, current_client, true);
}
static void move_current_container(xcb_connection_t *conn, direction_t direction) {
LOG("moving container to direction %s\n", (direction == D_UP ? "up" : (direction == D_DOWN ? "down" :
(direction == D_LEFT ? "left" : "right"))));
/* Get current window */
Container *container = CUR_CELL,
*new = NULL;
Container **old = &CUR_CELL;
/* There has to be a container, see focus_window() */
assert(container != NULL);
switch (direction) {
case D_LEFT:
/* If were at the left-most position, move the rest of the table right */
if (current_col == 0) {
expand_table_cols_at_head(c_ws);
new = CUR_CELL;
old = &CUR_TABLE[current_col+1][current_row];
} else
new = CUR_TABLE[--current_col][current_row];
break;
case D_RIGHT:
if (current_col == (c_ws->cols-1))
expand_table_cols(c_ws);
new = CUR_TABLE[++current_col][current_row];
break;
case D_UP:
/* if were at the up-most position, move the rest of the table down */
if (current_row == 0) {
expand_table_rows_at_head(c_ws);
new = CUR_CELL;
old = &CUR_TABLE[current_col][current_row+1];
} else
new = CUR_TABLE[current_col][--current_row];
break;
case D_DOWN:
if (current_row == (c_ws->rows-1))
expand_table_rows(c_ws);
new = CUR_TABLE[current_col][++current_row];
break;
/* To make static analyzers happy: */
default:
return;
}
LOG("old = %d,%d and new = %d,%d\n", container->col, container->row, new->col, new->row);
/* Swap the containers */
int col = new->col;
int row = new->row;
*old = new;
new->col = container->col;
new->row = container->row;
CUR_CELL = container;
container->col = col;
container->row = row;
Workspace *workspace = container->workspace;
/* delete all empty columns/rows */
cleanup_table(conn, workspace);
/* Fix colspan/rowspan if itd overlap */
fix_colrowspan(conn, workspace);
render_layout(conn);
}
/*
* "Snaps" the current container (not possible for windows, because it works at table base)
* to the given direction, that is, adjusts cellspan/rowspan
*
*/
static void snap_current_container(xcb_connection_t *conn, direction_t direction) {
LOG("snapping container to direction %d\n", direction);
Container *container = CUR_CELL;
assert(container != NULL);
switch (direction) {
case D_LEFT:
/* Snap to the left is actually a move to the left and then a snap right */
if (!cell_exists(container->col - 1, container->row) ||
CUR_TABLE[container->col-1][container->row]->currently_focused != NULL) {
LOG("cannot snap to left - the cell is already used\n");
return;
}
move_current_window(conn, D_LEFT);
snap_current_container(conn, D_RIGHT);
return;
case D_RIGHT: {
/* Check if the cell is used */
int new_col = container->col + container->colspan;
for (int i = 0; i < container->rowspan; i++)
if (!cell_exists(new_col, container->row + i) ||
CUR_TABLE[new_col][container->row + i]->currently_focused != NULL) {
LOG("cannot snap to right - the cell is already used\n");
return;
}
/* Check if there are other cells with rowspan, which are in our way.
* If so, reduce their rowspan. */
for (int i = container->row-1; i >= 0; i--) {
LOG("we got cell %d, %d with rowspan %d\n",
new_col, i, CUR_TABLE[new_col][i]->rowspan);
while ((CUR_TABLE[new_col][i]->rowspan-1) >= (container->row - i))
CUR_TABLE[new_col][i]->rowspan--;
LOG("new rowspan = %d\n", CUR_TABLE[new_col][i]->rowspan);
}
container->colspan++;
break;
}
case D_UP:
if (!cell_exists(container->col, container->row - 1) ||
CUR_TABLE[container->col][container->row-1]->currently_focused != NULL) {
LOG("cannot snap to top - the cell is already used\n");
return;
}
move_current_window(conn, D_UP);
snap_current_container(conn, D_DOWN);
return;
case D_DOWN: {
LOG("snapping down\n");
int new_row = container->row + container->rowspan;
for (int i = 0; i < container->colspan; i++)
if (!cell_exists(container->col + i, new_row) ||
CUR_TABLE[container->col + i][new_row]->currently_focused != NULL) {
LOG("cannot snap down - the cell is already used\n");
return;
}
for (int i = container->col-1; i >= 0; i--) {
LOG("we got cell %d, %d with colspan %d\n",
i, new_row, CUR_TABLE[i][new_row]->colspan);
while ((CUR_TABLE[i][new_row]->colspan-1) >= (container->col - i))
CUR_TABLE[i][new_row]->colspan--;
LOG("new colspan = %d\n", CUR_TABLE[i][new_row]->colspan);
}
container->rowspan++;
break;
}
/* To make static analyzers happy: */
default:
return;
}
render_layout(conn);
}
static void move_floating_window_to_workspace(xcb_connection_t *conn, Client *client, int workspace) {
/* t_ws (to workspace) is just a container pointer to the workspace were switching to */
Workspace *t_ws = &(workspaces[workspace-1]),
*old_ws = client->workspace;
LOG("moving floating\n");
if (t_ws->screen == NULL) {
LOG("initializing new workspace, setting num to %d\n", workspace-1);
t_ws->screen = c_ws->screen;
/* Copy the dimensions from the virtual screen */
memcpy(&(t_ws->rect), &(t_ws->screen->rect), sizeof(Rect));
} else {
/* Check if there is already a fullscreen client on the destination workspace and
* stop moving if so. */
if (client->fullscreen && (t_ws->fullscreen_client != NULL)) {
LOG("Not moving: Fullscreen client already existing on destination workspace.\n");
return;
}
}
floating_assign_to_workspace(client, t_ws);
/* If were moving it to an invisible screen, we need to unmap it */
if (!workspace_is_visible(t_ws)) {
LOG("This workspace is not visible, unmapping\n");
client_unmap(conn, client);
} else {
/* If this is not the case, we move the window to a workspace
* which is on another screen, so we also need to adjust its
* coordinates. */
LOG("before x = %d, y = %d\n", client->rect.x, client->rect.y);
uint32_t relative_x = client->rect.x - old_ws->rect.x,
relative_y = client->rect.y - old_ws->rect.y;
LOG("rel_x = %d, rel_y = %d\n", relative_x, relative_y);
client->rect.x = t_ws->rect.x + relative_x;
client->rect.y = t_ws->rect.y + relative_y;
LOG("after x = %d, y = %d\n", client->rect.x, client->rect.y);
reposition_client(conn, client);
xcb_flush(conn);
}
LOG("done\n");
render_layout(conn);
if (workspace_is_visible(t_ws))
set_focus(conn, client, true);
}
/*
* Moves the currently selected window to the given workspace
*
*/
static void move_current_window_to_workspace(xcb_connection_t *conn, int workspace) {
LOG("Moving current window to workspace %d\n", workspace);
Container *container = CUR_CELL;
assert(container != NULL);
/* t_ws (to workspace) is just a container pointer to the workspace were switching to */
Workspace *t_ws = &(workspaces[workspace-1]);
Client *current_client = container->currently_focused;
if (current_client == NULL) {
LOG("No currently focused client in current container.\n");
return;
}
Client *to_focus = CIRCLEQ_NEXT_OR_NULL(&(container->clients), current_client, clients);
if (to_focus == NULL)
to_focus = CIRCLEQ_PREV_OR_NULL(&(container->clients), current_client, clients);
if (t_ws->screen == NULL) {
LOG("initializing new workspace, setting num to %d\n", workspace-1);
t_ws->screen = container->workspace->screen;
/* Copy the dimensions from the virtual screen */
memcpy(&(t_ws->rect), &(container->workspace->screen->rect), sizeof(Rect));
} else {
/* Check if there is already a fullscreen client on the destination workspace and
* stop moving if so. */
if (current_client->fullscreen && (t_ws->fullscreen_client != NULL)) {
LOG("Not moving: Fullscreen client already existing on destination workspace.\n");
return;
}
}
Container *to_container = t_ws->table[t_ws->current_col][t_ws->current_row];
assert(to_container != NULL);
client_remove_from_container(conn, current_client, container, true);
if (container->workspace->fullscreen_client == current_client)
container->workspace->fullscreen_client = NULL;
/* TODO: insert it to the correct position */
CIRCLEQ_INSERT_TAIL(&(to_container->clients), current_client, clients);
SLIST_INSERT_HEAD(&(to_container->workspace->focus_stack), current_client, focus_clients);
LOG("Moved.\n");
current_client->container = to_container;
current_client->workspace = to_container->workspace;
container->currently_focused = to_focus;
to_container->currently_focused = current_client;
/* If were moving it to an invisible screen, we need to unmap it */
if (!workspace_is_visible(to_container->workspace)) {
LOG("This workspace is not visible, unmapping\n");
client_unmap(conn, current_client);
} else {
if (current_client->fullscreen) {
LOG("Calling client_enter_fullscreen again\n");
client_enter_fullscreen(conn, current_client);
}
}
/* delete all empty columns/rows */
cleanup_table(conn, container->workspace);
render_layout(conn);
if (workspace_is_visible(to_container->workspace))
set_focus(conn, current_client, true);
}
/*
* Jumps to the given window class / title.
* Title is matched using strstr, that is, matches if it appears anywhere
* in the string. Regular expressions seem to be a bit overkill here. However,
* if we need them for something else somewhen, we may introduce them here, too.
*
*/
static void jump_to_window(xcb_connection_t *conn, const char *arguments) {
char *classtitle;
Client *client;
/* The first character is a quote, this was checked before */
classtitle = sstrdup(arguments+1);
/* The last character is a quote, we just set it to NULL */
classtitle[strlen(classtitle)-1] = '\0';
if ((client = get_matching_client(conn, classtitle, NULL)) == NULL) {
free(classtitle);
LOG("No matching client found.\n");
return;
}
free(classtitle);
set_focus(conn, client, true);
}
/*
* Jump directly to the specified workspace, row and col.
* Great for reaching windows that you always keep in the same spot (hello irssi, I'm looking at you)
*
*/
static void jump_to_container(xcb_connection_t *conn, const char *arguments) {
int ws, row, col;
int result;
result = sscanf(arguments, "%d %d %d", &ws, &col, &row);
LOG("Jump called with %d parameters (\"%s\")\n", result, arguments);
/* No match? Either no arguments were specified, or no numbers */
if (result < 1) {
LOG("At least one valid argument required\n");
return;
}
/* Move to the target workspace */
workspace_show(conn, ws);
if (result < 3)
return;
LOG("Boundary-checking col %d, row %d... (max cols %d, max rows %d)\n", col, row, c_ws->cols, c_ws->rows);
/* Move to row/col */
if (row >= c_ws->rows)
row = c_ws->rows - 1;
if (col >= c_ws->cols)
col = c_ws->cols - 1;
LOG("Jumping to col %d, row %d\n", col, row);
if (c_ws->table[col][row]->currently_focused != NULL)
set_focus(conn, c_ws->table[col][row]->currently_focused, true);
}
/*
* Travels the focus stack by the given number of times (or once, if no argument
* was specified). That is, selects the window you were in before you focused
* the current window.
*
* The special values 'floating' (select the next floating window), 'tiling'
* (select the next tiling window), 'ft' (if the current window is floating,
* select the next tiling window and vice-versa) are also valid
*
*/
static void travel_focus_stack(xcb_connection_t *conn, const char *arguments) {
/* Start count at -1 to always skip the first element */
int times, count = -1;
Client *current;
bool floating_criteria;
/* Either its one of the special values… */
if (strcasecmp(arguments, "floating") == 0) {
floating_criteria = true;
} else if (strcasecmp(arguments, "tiling") == 0) {
floating_criteria = false;
} else if (strcasecmp(arguments, "ft") == 0) {
Client *last_focused = SLIST_FIRST(&(c_ws->focus_stack));
if (last_focused == SLIST_END(&(c_ws->focus_stack))) {
LOG("Cannot select the next floating/tiling client because there is no client at all\n");
return;
}
floating_criteria = !client_is_floating(last_focused);
} else {
/* …or a number was specified */
if (sscanf(arguments, "%u", &times) != 1) {
LOG("No or invalid argument given (\"%s\"), using default of 1 times\n", arguments);
times = 1;
}
SLIST_FOREACH(current, &(CUR_CELL->workspace->focus_stack), focus_clients) {
if (++count < times) {
LOG("Skipping\n");
continue;
}
LOG("Focussing\n");
set_focus(conn, current, true);
break;
}
return;
}
/* Select the next client matching the criteria parsed above */
SLIST_FOREACH(current, &(CUR_CELL->workspace->focus_stack), focus_clients)
if (client_is_floating(current) == floating_criteria) {
set_focus(conn, current, true);
break;
}
}
/*
* Goes through the list of arguments (for exec()) and checks if the given argument
* is present. If not, it copies the arguments (because we cannot realloc it) and
* appends the given argument.
*
*/
static char **append_argument(char **original, char *argument) {
int num_args;
for (num_args = 0; original[num_args] != NULL; num_args++) {
LOG("original argument: \"%s\"\n", original[num_args]);
/* If the argument is already present we return the original pointer */
if (strcmp(original[num_args], argument) == 0)
return original;
}
/* Copy the original array */
char **result = smalloc((num_args+2) * sizeof(char*));
memcpy(result, original, num_args * sizeof(char*));
result[num_args] = argument;
result[num_args+1] = NULL;
return result;
}
/*
* Switch to next or previous existing workspace
*
*/
static void next_previous_workspace(xcb_connection_t *conn, int direction) {
Workspace *t_ws;
int i;
if (direction == 'n') {
/* If we are on the last workspace, we cannot go any further */
if (c_ws->num == 9)
return;
for (i = c_ws->num + 1; i <= 9; i++) {
t_ws = &(workspaces[i]);
if (t_ws->screen != NULL)
break;
}
} else if (direction == 'p') {
if (c_ws->num == 0)
return;
for (i = c_ws->num - 1; i >= 0 ; i--) {
t_ws = &(workspaces[i]);
if (t_ws->screen != NULL)
break;
}
}
if (t_ws->screen != NULL)
workspace_show(conn, i+1);
}
/*
* Parses a command, see file CMDMODE for more information
*
*/
void parse_command(xcb_connection_t *conn, const char *command) {
LOG("--- parsing command \"%s\" ---\n", command);
/* Get the first client from focus stack because floating clients are not
* in any container, therefore CUR_CELL is not appropriate. */
Client *last_focused = SLIST_FIRST(&(c_ws->focus_stack));
if (last_focused == SLIST_END(&(c_ws->focus_stack)))
last_focused = NULL;
/* Hmm, just to be sure */
if (command[0] == '\0')
return;
/* Is it an <exec>? Then execute the given command. */
if (STARTS_WITH(command, "exec ")) {
LOG("starting \"%s\"\n", command + strlen("exec "));
start_application(command+strlen("exec "));
return;
}
/* Is it an <exit>? */
if (STARTS_WITH(command, "exit")) {
LOG("User issued exit-command, exiting without error.\n");
exit(EXIT_SUCCESS);
}
/* Is it a <reload>? */
if (STARTS_WITH(command, "reload")) {
load_configuration(conn, NULL, true);
return;
}
/* Is it <restart>? Then restart in place. */
if (STARTS_WITH(command, "restart")) {
LOG("restarting \"%s\"...\n", start_argv[0]);
/* make sure -a is in the argument list or append it */
start_argv = append_argument(start_argv, "-a");
execvp(start_argv[0], start_argv);
/* not reached */
}
if (STARTS_WITH(command, "kill")) {
if (last_focused == NULL) {
LOG("There is no window to kill\n");
return;
}
LOG("Killing current window\n");
client_kill(conn, last_focused);
return;
}
/* Is it a jump to a specified workspace, row, col? */
if (STARTS_WITH(command, "jump ")) {
const char *arguments = command + strlen("jump ");
if (arguments[0] == '"')
jump_to_window(conn, arguments);
else jump_to_container(conn, arguments);
return;
}
/* Should we travel the focus stack? */
if (STARTS_WITH(command, "focus")) {
const char *arguments = command + strlen("focus ");
travel_focus_stack(conn, arguments);
return;
}
/* Is it 'f' for fullscreen? */
if (command[0] == 'f') {
if (last_focused == NULL)
return;
client_toggle_fullscreen(conn, last_focused);
return;
}
/* Is it just 's' for stacking or 'd' for default? */
if ((command[0] == 's' || command[0] == 'd' || command[0] == 'T') && (command[1] == '\0')) {
if (last_focused != NULL && client_is_floating(last_focused)) {
LOG("not switching, this is a floating client\n");
return;
}
LOG("Switching mode for current container\n");
int new_mode = MODE_DEFAULT;
if (command[0] == 's')
new_mode = MODE_STACK;
if (command[0] == 'T')
new_mode = MODE_TABBED;
switch_layout_mode(conn, CUR_CELL, new_mode);
return;
}
/* Is it 'bn' (border normal), 'bp' (border 1pixel) or 'bb' (border borderless)? */
if (command[0] == 'b') {
if (last_focused == NULL) {
LOG("No window focused, cannot change border type\n");
return;
}
client_change_border(conn, last_focused, command[1]);
return;
}
if (command[0] == 'H') {
LOG("Hiding all floating windows\n");
floating_toggle_hide(conn, c_ws);
return;
}
enum { WITH_WINDOW, WITH_CONTAINER, WITH_WORKSPACE, WITH_SCREEN } with = WITH_WINDOW;
/* Is it a <with>? */
if (command[0] == 'w') {
command++;
/* TODO: implement */
if (command[0] == 'c') {
with = WITH_CONTAINER;
command++;
} else if (command[0] == 'w') {
with = WITH_WORKSPACE;
command++;
} else if (command[0] == 's') {
with = WITH_SCREEN;
command++;
} else {
LOG("not yet implemented.\n");
return;
}
}
/* Is it 't' for toggle tiling/floating? */
if (command[0] == 't') {
if (with == WITH_WORKSPACE) {
c_ws->auto_float = !c_ws->auto_float;
LOG("autofloat is now %d\n", c_ws->auto_float);
return;
}
if (last_focused == NULL) {
LOG("Cannot toggle tiling/floating: workspace empty\n");
return;
}
toggle_floating_mode(conn, last_focused, false);
/* delete all empty columns/rows */
cleanup_table(conn, last_focused->workspace);
/* Fix colspan/rowspan if itd overlap */
fix_colrowspan(conn, last_focused->workspace);
render_workspace(conn, last_focused->workspace->screen, last_focused->workspace);
/* Re-focus the client because cleanup_table sets the focus to the last
* focused client inside a container only. */
set_focus(conn, last_focused, true);
return;
}
/* Is it 'n' or 'p' for next/previous workspace? (nw) */
if ((command[0] == 'n' || command[0] == 'p') && command[1] == 'w') {
next_previous_workspace(conn, command[0]);
return;
}
/* Its a normal <cmd> */
char *rest = NULL;
enum { ACTION_FOCUS, ACTION_MOVE, ACTION_SNAP } action = ACTION_FOCUS;
direction_t direction;
int times = strtol(command, &rest, 10);
if (rest == NULL) {
LOG("Invalid command (\"%s\")\n", command);
return;
}
if (*rest == '\0') {
/* No rest? This was a workspace number, not a times specification */
workspace_show(conn, times);
return;
}
if (*rest == 'm' || *rest == 's') {
action = (*rest == 'm' ? ACTION_MOVE : ACTION_SNAP);
rest++;
}
int workspace = strtol(rest, &rest, 10);
if (rest == NULL) {
LOG("Invalid command (\"%s\")\n", command);
return;
}
if (*rest == '\0') {
if (last_focused != NULL && client_is_floating(last_focused))
move_floating_window_to_workspace(conn, last_focused, workspace);
else move_current_window_to_workspace(conn, workspace);
return;
}
if (last_focused == NULL) {
LOG("Not performing (no window found)\n");
return;
}
if (client_is_floating(last_focused) &&
(action != ACTION_FOCUS && action != ACTION_MOVE)) {
LOG("Not performing (floating)\n");
return;
}
/* Now perform action to <where> */
while (*rest != '\0') {
if (*rest == 'h')
direction = D_LEFT;
else if (*rest == 'j')
direction = D_DOWN;
else if (*rest == 'k')
direction = D_UP;
else if (*rest == 'l')
direction = D_RIGHT;
else {
LOG("unknown direction: %c\n", *rest);
return;
}
rest++;
if (action == ACTION_FOCUS) {
if (with == WITH_SCREEN) {
focus_thing(conn, direction, THING_SCREEN);
continue;
}
if (client_is_floating(last_focused)) {
floating_focus_direction(conn, last_focused, direction);
continue;
}
focus_thing(conn, direction, (with == WITH_WINDOW ? THING_WINDOW : THING_CONTAINER));
continue;
}
if (action == ACTION_MOVE) {
if (with == WITH_SCREEN) {
/* TODO: this should swap the screens contents
* (e.g. all workspaces) with the next/previous/…
* screen */
LOG("Not yet implemented\n");
continue;
}
if (client_is_floating(last_focused)) {
floating_move(conn, last_focused, direction);
continue;
}
if (with == WITH_WINDOW)
move_current_window(conn, direction);
else move_current_container(conn, direction);
continue;
}
if (action == ACTION_SNAP) {
if (with == WITH_SCREEN) {
LOG("You cannot snap a screen (it makes no sense).\n");
continue;
}
snap_current_container(conn, direction);
continue;
}
}
}