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Revive menu patch
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Nikita Ivanov
parent
c29d2464da
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611c9f5744
@ -6,10 +6,10 @@ By default, two menus are available:
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- focusing a window by its title by pressing `Alt+o`
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- selecting a layout from a list by pressing `Alt+Shift+o`
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Edit `menus` array and `MENU` macro in `config.h` to add/change menus and use a different dmenu program.
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Edit `menus` array in `config.h` to add/change menus and use a different dmenu program.
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### Download
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- [2023-07-15](https://github.com/djpohly/dwl/compare/main...NikitaIvanovV:menu.patch)
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- [2024-05-18](https://codeberg.org/dwl/dwl-patches/raw/branch/main/patches/menu/menu.patch)
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### Authors
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- [Nikita Ivanov](https://github.com/NikitaIvanovV)
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- [Nikita Ivanov](https://github.com/NikitaIvanovV)
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230
patches/menu/menu.patch
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230
patches/menu/menu.patch
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@ -0,0 +1,230 @@
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commit 63bfca78aab30c6aed18bdbab86cee356b6292f0
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Author: Nikita Ivanov <nikita.vyach.ivanov@gmail.com>
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Date: Sat May 18 19:27:05 2024 +0200
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Add menu command
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diff --git a/config.def.h b/config.def.h
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index 8f498d2..e7c7654 100644
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--- a/config.def.h
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+++ b/config.def.h
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@@ -20,6 +20,12 @@ static const float fullscreen_bg[] = {0.1f, 0.1f, 0.1f, 1.0f}; /* You ca
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/* logging */
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static int log_level = WLR_ERROR;
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+static const Menu menus[] = {
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+ /* command feed function action function */
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+ { "wmenu -i -l 5 -p Windows", menuwinfeed, menuwinaction },
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+ { "wmenu -i -p Layouts", menulayoutfeed, menulayoutaction },
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+};
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+
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static const Rule rules[] = {
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/* app_id title tags mask isfloating monitor */
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/* examples: */
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@@ -135,6 +141,8 @@ static const Key keys[] = {
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{ MODKEY, XKB_KEY_f, setlayout, {.v = &layouts[1]} },
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{ MODKEY, XKB_KEY_m, setlayout, {.v = &layouts[2]} },
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{ MODKEY, XKB_KEY_space, setlayout, {0} },
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+ { MODKEY, XKB_KEY_o, menu, {.v = &menus[0]} },
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+ { MODKEY|WLR_MODIFIER_SHIFT, XKB_KEY_O, menu, {.v = &menus[1]} },
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{ MODKEY|WLR_MODIFIER_SHIFT, XKB_KEY_space, togglefloating, {0} },
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{ MODKEY, XKB_KEY_e, togglefullscreen, {0} },
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{ MODKEY, XKB_KEY_0, view, {.ui = ~0} },
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diff --git a/dwl.c b/dwl.c
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index bf763df..7adaccc 100644
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--- a/dwl.c
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+++ b/dwl.c
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@@ -239,6 +239,12 @@ typedef struct {
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struct wl_listener destroy;
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} SessionLock;
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+typedef struct {
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+ const char *cmd; /* command to run a menu */
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+ void (*feed)(FILE *f); /* feed input to menu */
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+ void (*action)(char *line); /* do action based on menu output */
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+} Menu;
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+
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/* function declarations */
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static void applybounds(Client *c, struct wlr_box *bbox);
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static void applyrules(Client *c);
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@@ -295,6 +301,12 @@ static void locksession(struct wl_listener *listener, void *data);
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static void maplayersurfacenotify(struct wl_listener *listener, void *data);
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static void mapnotify(struct wl_listener *listener, void *data);
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static void maximizenotify(struct wl_listener *listener, void *data);
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+static void menu(const Arg *arg);
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+static int menuloop(void *data);
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+static void menuwinfeed(FILE *f);
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+static void menuwinaction(char *line);
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+static void menulayoutfeed(FILE *f);
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+static void menulayoutaction(char *line);
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static void monocle(Monitor *m);
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static void motionabsolute(struct wl_listener *listener, void *data);
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static void motionnotify(uint32_t time, struct wlr_input_device *device, double sx,
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@@ -405,6 +417,11 @@ static struct wlr_box sgeom;
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static struct wl_list mons;
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static Monitor *selmon;
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+static struct wl_event_source *menu_source;
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+static pid_t menu_pid;
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+static int menu_fd;
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+static const Menu *menu_current;
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+
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#ifdef XWAYLAND
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static void activatex11(struct wl_listener *listener, void *data);
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static void associatex11(struct wl_listener *listener, void *data);
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@@ -659,6 +676,7 @@ cleanup(void)
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wlr_xwayland_destroy(xwayland);
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xwayland = NULL;
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#endif
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+ wl_event_source_remove(menu_source);
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wl_display_destroy_clients(dpy);
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if (child_pid > 0) {
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kill(child_pid, SIGTERM);
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@@ -1645,6 +1663,136 @@ maximizenotify(struct wl_listener *listener, void *data)
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wlr_xdg_surface_schedule_configure(c->surface.xdg);
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}
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+void
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+menu(const Arg *arg)
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+{
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+ FILE *f;
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+ pid_t pid;
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+ int fd_right[2], fd_left[2];
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+
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+ if (!selmon || menu_pid != 0)
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+ return;
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+
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+ menu_current = arg->v;
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+
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+ if (pipe(fd_right) == -1 || pipe(fd_left) == -1)
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+ return;
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+ if ((pid = fork()) == -1)
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+ return;
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+ if (pid == 0) {
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+ close(fd_right[1]);
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+ close(fd_left[0]);
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+ dup2(fd_right[0], STDIN_FILENO);
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+ close(fd_right[0]);
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+ dup2(fd_left[1], STDOUT_FILENO);
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+ close(fd_left[1]);
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+
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+ execl("/bin/sh", "/bin/sh", "-c", menu_current->cmd, NULL);
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+ die("dwl: execl %s failed:", "/bin/sh");
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+ }
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+
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+ close(fd_right[0]);
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+ close(fd_left[1]);
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+
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+ if (!(f = fdopen(fd_right[1], "w")))
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+ return;
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+ menu_current->feed(f);
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+ fclose(f);
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+
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+ menu_pid = pid;
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+ menu_fd = fd_left[0];
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+ wl_event_source_timer_update(menu_source, 10);
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+}
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+
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+int
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+menuloop(void *data)
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+{
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+ FILE *f;
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+ pid_t pid;
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+ char line[256], *s;
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+
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+ /* If process is still running, wait for another 50 ms */
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+ if ((pid = waitpid(menu_pid, NULL, WNOHANG)) == 0) {
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+ wl_event_source_timer_update(menu_source, 10);
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+ return 0;
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+ }
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+
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+ menu_pid = 0;
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+
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+ if (!(f = fdopen(menu_fd, "r")))
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+ return 0;
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+ if (fgets(line, sizeof(line), f)) {
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+ if ((s = strchr(line, '\n')))
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+ *s = '\0';
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+ menu_current->action(line);
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+ }
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+ fclose(f);
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+ return 0;
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+}
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+
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+void
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+menuwinfeed(FILE *f)
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+{
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+ Client *c;
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+ const char *title;
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+
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+ wl_list_for_each(c, &fstack, flink) {
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+ if (!(title = client_get_title(c)))
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+ continue;
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+ fprintf(f, "%s\n", title);
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+ }
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+}
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+
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+void
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+menuwinaction(char *line)
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+{
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+ Client *c;
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+ Monitor *prevm = selmon;
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+ const char *title;
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+
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+ if (!selmon)
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+ return;
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+
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+ wl_list_for_each(c, &fstack, flink) {
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+ if (!(title = client_get_title(c)))
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+ continue;
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+ if (strcmp(line, title) == 0)
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+ goto found;
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+ }
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+ return;
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+
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+found:
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+ focusclient(c, 1);
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+ wlr_cursor_move(cursor, NULL, selmon->m.x - prevm->m.x , 0);
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+ selmon->seltags ^= 1; /* toggle sel tagset */
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+ selmon->tagset[selmon->seltags] = c->tags;
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+ arrange(selmon);
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+ printstatus();
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+}
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+
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+void
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+menulayoutfeed(FILE *f)
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+{
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+ unsigned int i;
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+ for (i = 0; i < LENGTH(layouts); i++)
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+ fprintf(f, "%s\n", layouts[i].symbol);
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+}
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+
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+void
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+menulayoutaction(char *line)
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+{
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+ unsigned int i;
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+ Arg a;
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+ for (i = 0; i < LENGTH(layouts); i++)
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+ if (strcmp(line, layouts[i].symbol) == 0)
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+ goto found;
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+ return;
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+
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+found:
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+ a.v = &layouts[i];
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+ setlayout(&a);
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+}
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+
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void
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monocle(Monitor *m)
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{
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@@ -2510,6 +2658,10 @@ setup(void)
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* e.g when running in the x11 backend or the wayland backend and the
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* compositor has Xwayland support */
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unsetenv("DISPLAY");
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+
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+ menu_source = wl_event_loop_add_timer(
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+ wl_display_get_event_loop(dpy), menuloop, NULL);
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+
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#ifdef XWAYLAND
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/*
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* Initialise the XWayland X server.
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