mirror of
https://github.com/swaywm/sway.git
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197 lines
6.3 KiB
C
197 lines
6.3 KiB
C
#include <string.h>
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#include <strings.h>
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#include "sway/commands.h"
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#include "sway/container.h"
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#include "sway/layout.h"
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/**
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* handle "layout auto" command group
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*/
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static struct cmd_results *cmd_layout_auto(swayc_t *container, int argc, char **argv);
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struct cmd_results *cmd_layout(int argc, char **argv) {
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struct cmd_results *error = NULL;
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if (config->reading) return cmd_results_new(CMD_FAILURE, "layout", "Can't be used in config file.");
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if (!config->active) return cmd_results_new(CMD_FAILURE, "layout", "Can only be used when sway is running.");
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if ((error = checkarg(argc, "layout", EXPECTED_MORE_THAN, 0))) {
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return error;
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}
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swayc_t *parent = current_container;
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if (parent->is_floating) {
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return cmd_results_new(CMD_FAILURE, "layout", "Unable to change layout of floating windows");
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}
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while (parent->type == C_VIEW) {
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parent = parent->parent;
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}
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enum swayc_layouts old_layout = parent->layout;
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if (strcasecmp(argv[0], "default") == 0) {
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swayc_change_layout(parent, parent->prev_layout);
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if (parent->layout == L_NONE) {
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swayc_t *output = swayc_parent_by_type(parent, C_OUTPUT);
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swayc_change_layout(parent, default_layout(output));
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}
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} else {
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if (parent->layout != L_TABBED && parent->layout != L_STACKED) {
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parent->prev_layout = parent->layout;
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}
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if (strcasecmp(argv[0], "tabbed") == 0) {
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if (parent->type != C_CONTAINER && !swayc_is_empty_workspace(parent)){
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parent = new_container(parent, L_TABBED);
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}
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swayc_change_layout(parent, L_TABBED);
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} else if (strcasecmp(argv[0], "stacking") == 0) {
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if (parent->type != C_CONTAINER && !swayc_is_empty_workspace(parent)) {
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parent = new_container(parent, L_STACKED);
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}
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swayc_change_layout(parent, L_STACKED);
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} else if (strcasecmp(argv[0], "splith") == 0) {
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swayc_change_layout(parent, L_HORIZ);
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} else if (strcasecmp(argv[0], "splitv") == 0) {
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swayc_change_layout(parent, L_VERT);
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} else if (strcasecmp(argv[0], "toggle") == 0 && argc == 2 && strcasecmp(argv[1], "split") == 0) {
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if (parent->layout == L_HORIZ && (parent->workspace_layout == L_NONE
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|| parent->workspace_layout == L_HORIZ)) {
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swayc_change_layout(parent, L_VERT);
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} else {
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swayc_change_layout(parent, L_HORIZ);
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}
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} else if (strcasecmp(argv[0], "auto") == 0) {
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return cmd_layout_auto(parent, argc, argv);
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}
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}
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update_layout_geometry(parent, old_layout);
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update_geometry(parent);
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arrange_windows(parent, parent->width, parent->height);
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return cmd_results_new(CMD_SUCCESS, NULL, NULL);
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}
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static struct cmd_results *cmd_layout_auto(swayc_t *container, int argc, char **argv) {
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// called after checking that argv[0] is auto, so just continue parsing from there
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struct cmd_results *error = NULL;
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const char *cmd_name = "layout auto";
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const char *set_inc_cmd_name = "layout auto [master|ncol] [set|inc]";
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const char *err_msg = "Allowed arguments are <right|left|top|bottom|next|prev|master|ncol>";
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bool need_layout_update = false;
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enum swayc_layouts old_layout = container->layout;
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enum swayc_layouts layout = old_layout;
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if ((error = checkarg(argc, "layout auto", EXPECTED_MORE_THAN, 1))) {
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return error;
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}
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if (strcasecmp(argv[1], "left") == 0) {
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layout = L_AUTO_LEFT;
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} else if (strcasecmp(argv[1], "right") == 0) {
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layout = L_AUTO_RIGHT;
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} else if (strcasecmp(argv[1], "top") == 0) {
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layout = L_AUTO_TOP;
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} else if (strcasecmp(argv[1], "bottom") == 0) {
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layout = L_AUTO_BOTTOM;
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} else if (strcasecmp(argv[1], "next") == 0) {
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if (is_auto_layout(container->layout) && container->layout < L_AUTO_LAST) {
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layout = container->layout + 1;
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} else {
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layout = L_AUTO_FIRST;
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}
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} else if (strcasecmp(argv[1], "prev") == 0) {
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if (is_auto_layout(container->layout) && container->layout > L_AUTO_FIRST) {
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layout = container->layout - 1;
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} else {
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layout = L_AUTO_LAST;
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}
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} else {
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bool is_nmaster;
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bool is_set;
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if (strcasecmp(argv[1], "master") == 0) {
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is_nmaster = true;
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} else if (strcasecmp(argv[1], "ncol") == 0) {
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is_nmaster = false;
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} else {
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return cmd_results_new(CMD_INVALID, cmd_name, "Invalid %s command. %s",
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cmd_name, err_msg);
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}
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if ((error = checkarg(argc, "auto <master|ncol>", EXPECTED_EQUAL_TO, 4))) {
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return error;
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}
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if (strcasecmp(argv[2], "set") == 0) {
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is_set = true;
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} else if (strcasecmp(argv[2], "inc") == 0) {
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is_set = false;
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} else {
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return cmd_results_new(CMD_INVALID, set_inc_cmd_name, "Invalid %s command. %s, "
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"Argument must be on of <set|inc>",
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set_inc_cmd_name);
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}
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char *end;
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int n = (int)strtol(argv[3], &end, 10);
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if (*end) {
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return cmd_results_new(CMD_INVALID, set_inc_cmd_name, "Invalid %s command "
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"(argument must be an integer)", set_inc_cmd_name);
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}
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if (is_auto_layout(container->layout)) {
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int inc = 0; /* difference between current master/ncol and requested value */
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if (is_nmaster) {
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if (is_set) {
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if (n < 0) {
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return cmd_results_new(CMD_INVALID, set_inc_cmd_name, "Invalid %s command "
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"(master must be >= 0)", set_inc_cmd_name);
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}
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inc = n - (int)container->nb_master;
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} else { /* inc command */
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if ((int)container->nb_master + n >= 0) {
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inc = n;
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}
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}
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if (inc) {
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for (int i = container->nb_master;
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i >= 0 && i < container->children->length
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&& i != (int)container->nb_master + inc;) {
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((swayc_t *)container->children->items[i])->height = -1;
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((swayc_t *)container->children->items[i])->width = -1;
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i += inc > 0 ? 1 : -1;
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}
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container->nb_master += inc;
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need_layout_update = true;
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}
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} else { /* ncol modification */
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if (is_set) {
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if (n <= 0) {
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return cmd_results_new(CMD_INVALID, set_inc_cmd_name, "Invalid %s command "
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"(ncol must be > 0)", set_inc_cmd_name);
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}
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inc = n - (int)container->nb_slave_groups;
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} else { /* inc command */
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if ((int)container->nb_slave_groups + n > 0) {
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inc = n;
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}
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}
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if (inc) {
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container->nb_slave_groups += inc;
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need_layout_update = true;
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}
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}
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}
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}
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if (layout != old_layout) {
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swayc_change_layout(container, layout);
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update_layout_geometry(container, old_layout);
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need_layout_update = true;
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}
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if (need_layout_update) {
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update_geometry(container);
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arrange_windows(container, container->width, container->height);
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}
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return cmd_results_new(CMD_SUCCESS, NULL, NULL);
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}
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