init
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### Description
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This patch adds the ability to pass keys that are specified in the config header globally, similar to Hyprland's approach.
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This might deal with Wayland's lack of global shortcuts.
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Example:
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```
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static const PassKeypressRule pass_rules[] = {
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ADDPASSRULE("com.obsproject.Studio", XKB_KEY_Home),
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ADDPASSRULE("WebCord", XKB_KEY_n),
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/* xkb key is case-insensitive */
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};
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```
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This will pass the `Home` key (alongside with mods) to OBS regardless of what client is currently focused, if any.
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The string "com.obsproject.Studio" should match the exact appid of the client.
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To get the appid use [dwlmsg](https://codeberg.org/notchoc/dwlmsg) or run stock dwl from a terminal then launch the needed application inside, dwl will print all the info to the stdout.
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Note that if a popup (like [fuzzel](https://codeberg.org/dnkl/fuzzel)) is focused, no keys will be globally passed.
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This is done so these menus don't get closed after hitting some of the global keys.
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## Warning
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This patch is a stupid hack, it doesn't work all the time.
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Examples: obs needs to be clicked on once before applying global hotkeys.
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Electron (discord/webcord/chromium) with wayland backend ignores the very first press.
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Other programs might not work at all.
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### Download
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- [git branch](https://codeberg.org/korei999/dwl/src/branch/globalkey)
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- [2024-06-08](https://codeberg.org/dwl/dwl-patches/src/branch/main/patches/globalkey/globalkey.patch)
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### Authors
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- [korei999](https://codeberg.org/korei999)
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+131
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From f36e3f134c9f14a9821783d9908471ed0bdca0ed Mon Sep 17 00:00:00 2001
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From: korei999 <ju7t1xe@gmail.com>
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Date: Fri, 14 Mar 2025 20:05:45 +0200
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Subject: [PATCH] implement globalkey patch
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---
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config.def.h | 8 +++++++
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dwl.c | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++++
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2 files changed, 69 insertions(+)
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diff --git a/config.def.h b/config.def.h
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index 22d2171..25486c8 100644
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--- a/config.def.h
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+++ b/config.def.h
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@@ -122,6 +122,14 @@ static const enum libinput_config_tap_button_map button_map = LIBINPUT_CONFIG_TA
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static const char *termcmd[] = { "foot", NULL };
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static const char *menucmd[] = { "wmenu-run", NULL };
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+#define ADDPASSRULE(S, K) {.appid = S, .len = LENGTH(S), .key = K}
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+static const PassKeypressRule pass_rules[] = {
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+ ADDPASSRULE("com.obsproject.Studio", XKB_KEY_Home),
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+ ADDPASSRULE("com.obsproject.Studio", XKB_KEY_End),
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+ ADDPASSRULE("com.obsproject.Studio", XKB_KEY_F12),
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+ ADDPASSRULE("WebCord", XKB_KEY_n),
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+};
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+
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static const Key keys[] = {
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/* Note that Shift changes certain key codes: c -> C, 2 -> at, etc. */
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/* modifier key function argument */
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diff --git a/dwl.c b/dwl.c
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index 4816159..9ad64dd 100644
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--- a/dwl.c
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+++ b/dwl.c
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@@ -217,6 +217,12 @@ typedef struct {
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int x, y;
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} MonitorRule;
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+typedef struct {
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+ const char* appid;
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+ size_t len;
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+ uint32_t key;
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+} PassKeypressRule;
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+
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typedef struct {
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struct wlr_pointer_constraint_v1 *constraint;
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struct wl_listener destroy;
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@@ -293,6 +299,7 @@ static void incnmaster(const Arg *arg);
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static void inputdevice(struct wl_listener *listener, void *data);
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static int keybinding(uint32_t mods, xkb_keysym_t sym);
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static void keypress(struct wl_listener *listener, void *data);
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+static void keypressglobal(struct wlr_surface *last_surface, struct wlr_keyboard *keyboard, struct wlr_keyboard_key_event *event, uint32_t mods, xkb_keysym_t keysym);
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static void keypressmod(struct wl_listener *listener, void *data);
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static int keyrepeat(void *data);
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static void killclient(const Arg *arg);
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@@ -1628,6 +1635,12 @@ keypress(struct wl_listener *listener, void *data)
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/* This event is raised when a key is pressed or released. */
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KeyboardGroup *group = wl_container_of(listener, group, key);
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struct wlr_keyboard_key_event *event = data;
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+ struct wlr_surface *last_surface = seat->keyboard_state.focused_surface;
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+ struct wlr_xdg_surface *xdg_surface = last_surface ? wlr_xdg_surface_try_from_wlr_surface(last_surface) : NULL;
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+ int pass = 0;
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+#ifdef XWAYLAND
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+ struct wlr_xwayland_surface *xsurface = last_surface ? wlr_xwayland_surface_try_from_wlr_surface(last_surface) : NULL;
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+#endif
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/* Translate libinput keycode -> xkbcommon */
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uint32_t keycode = event->keycode + 8;
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@@ -1662,12 +1675,60 @@ keypress(struct wl_listener *listener, void *data)
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if (handled)
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return;
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+ /* don't pass when popup is focused
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+ * this is better than having popups (like fuzzel or wmenu) closing while typing in a passed keybind */
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+ pass = (xdg_surface && xdg_surface->role != WLR_XDG_SURFACE_ROLE_POPUP) || !last_surface
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+#ifdef XWAYLAND
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+ || xsurface
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+#endif
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+ ;
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+ /* passed keys don't get repeated */
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+ if (!locked && pass) {
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+ for (i = 0; i < nsyms; ++i)
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+ keypressglobal(last_surface, &group->wlr_group->keyboard, event, mods, syms[i]);
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+ }
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+
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wlr_seat_set_keyboard(seat, &group->wlr_group->keyboard);
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/* Pass unhandled keycodes along to the client. */
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wlr_seat_keyboard_notify_key(seat, event->time_msec,
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event->keycode, event->state);
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}
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+void
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+keypressglobal(struct wlr_surface *last_surface, struct wlr_keyboard *keyboard, struct wlr_keyboard_key_event *event, uint32_t mods, xkb_keysym_t keysym)
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+{
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+ Client *c = NULL, *lastc = focustop(selmon);
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+ int reset = false;
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+ const char *appid = NULL;
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+
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+ for (size_t r = 0; r < LENGTH(pass_rules); r++) {
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+ uint32_t rcode = xkb_keysym_to_upper(pass_rules[r].key);
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+ uint32_t pcode = xkb_keysym_to_upper(keysym);
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+
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+ /* match key only (case insensitive) ignoring mods */
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+ if (rcode == pcode) {
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+ wl_list_for_each(c, &clients, link) {
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+ if (c && c != lastc) {
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+ appid = client_get_appid(c);
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+ if (appid && strncmp(appid, pass_rules[r].appid, pass_rules[r].len) == 0) {
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+ reset = true;
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+
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+ client_notify_enter(client_surface(c), keyboard);
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+ client_activate_surface(client_surface(c), 1);
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+ wlr_seat_keyboard_send_key(seat, event->time_msec, event->keycode, event->state);
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+
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+ goto done;
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+ }
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+ }
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+ }
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+ }
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+ }
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+
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+done:
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+ if (reset && last_surface)
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+ client_notify_enter(last_surface, keyboard);
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+}
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+
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void
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keypressmod(struct wl_listener *listener, void *data)
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{
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--
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2.48.1
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