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-rw-r--r--dwl-patches/patches/headless/headless.patch130
1 files changed, 130 insertions, 0 deletions
diff --git a/dwl-patches/patches/headless/headless.patch b/dwl-patches/patches/headless/headless.patch
new file mode 100644
index 0000000..fb01fda
--- /dev/null
+++ b/dwl-patches/patches/headless/headless.patch
@@ -0,0 +1,130 @@
+From 2e1123af5c7ae4354ec997d59cb36143fb2fdd27 Mon Sep 17 00:00:00 2001
+From: wochap <gean.marroquin@gmail.com>
+Date: Mon, 8 Apr 2024 10:23:40 -0500
+Subject: [PATCH] feat: implement headless backend
+
+---
+ config.def.h | 1 +
+ dwl.c | 58 ++++++++++++++++++++++++++++++++++++++++++++++++++++
+ 2 files changed, 59 insertions(+)
+
+diff --git a/config.def.h b/config.def.h
+index db0babc..f0a2080 100644
+--- a/config.def.h
++++ b/config.def.h
+@@ -141,6 +141,7 @@ static const Key keys[] = {
+ { MODKEY, XKB_KEY_period, focusmon, {.i = WLR_DIRECTION_RIGHT} },
+ { MODKEY|WLR_MODIFIER_SHIFT, XKB_KEY_less, tagmon, {.i = WLR_DIRECTION_LEFT} },
+ { MODKEY|WLR_MODIFIER_SHIFT, XKB_KEY_greater, tagmon, {.i = WLR_DIRECTION_RIGHT} },
++ { MODKEY|WLR_MODIFIER_CTRL|WLR_MODIFIER_SHIFT, XKB_KEY_M, create_output, {0} },
+ TAGKEYS( XKB_KEY_1, XKB_KEY_exclam, 0),
+ TAGKEYS( XKB_KEY_2, XKB_KEY_at, 1),
+ TAGKEYS( XKB_KEY_3, XKB_KEY_numbersign, 2),
+diff --git a/dwl.c b/dwl.c
+index ef27a1d..79a63b0 100644
+--- a/dwl.c
++++ b/dwl.c
+@@ -12,7 +12,10 @@
+ #include <unistd.h>
+ #include <wayland-server-core.h>
+ #include <wlr/backend.h>
++#include <wlr/backend/headless.h>
+ #include <wlr/backend/libinput.h>
++#include <wlr/backend/multi.h>
++#include <wlr/backend/wayland.h>
+ #include <wlr/render/allocator.h>
+ #include <wlr/render/wlr_renderer.h>
+ #include <wlr/types/wlr_compositor.h>
+@@ -58,6 +61,9 @@
+ #include <xcb/xcb.h>
+ #include <xcb/xcb_icccm.h>
+ #endif
++#if WLR_HAS_X11_BACKEND
++#include <wlr/backend/x11.h>
++#endif
+
+ #include "util.h"
+
+@@ -327,6 +333,8 @@ static Monitor *xytomon(double x, double y);
+ static void xytonode(double x, double y, struct wlr_surface **psurface,
+ Client **pc, LayerSurface **pl, double *nx, double *ny);
+ static void zoom(const Arg *arg);
++static void _create_output(struct wlr_backend *backend, void *data);
++static void create_output(const Arg *arg);
+
+ /* variables */
+ static const char broken[] = "broken";
+@@ -335,6 +343,7 @@ static int locked;
+ static void *exclusive_focus;
+ static struct wl_display *dpy;
+ static struct wlr_backend *backend;
++static struct wlr_backend *headless_backend;
+ static struct wlr_scene *scene;
+ static struct wlr_scene_tree *layers[NUM_LAYERS];
+ static struct wlr_scene_tree *drag_icon;
+@@ -2321,6 +2330,16 @@ setup(void)
+ cursor_shape_mgr = wlr_cursor_shape_manager_v1_create(dpy, 1);
+ LISTEN_STATIC(&cursor_shape_mgr->events.request_set_shape, setcursorshape);
+
++ /**
++ * Initialize headless backend
++ */
++ headless_backend = wlr_headless_backend_create(dpy);
++ if (!headless_backend) {
++ die("Failed to create secondary headless backend");
++ } else {
++ wlr_multi_backend_add(backend, headless_backend);
++ }
++
+ /*
+ * Configures a seat, which is a single "seat" at which a user sits and
+ * operates the computer. This conceptually includes up to one keyboard,
+@@ -2746,6 +2765,45 @@ zoom(const Arg *arg)
+ arrange(selmon);
+ }
+
++void
++_create_output(struct wlr_backend *_backend, void *data)
++{
++ bool *done = data;
++ if (*done) {
++ return;
++ }
++
++ if (wlr_backend_is_wl(_backend)) {
++ wlr_wl_output_create(_backend);
++ *done = true;
++ } else if (wlr_backend_is_headless(_backend)) {
++ wlr_headless_add_output(_backend, 1920, 1080);
++ *done = true;
++ }
++#if WLR_HAS_X11_BACKEND
++ else if (wlr_backend_is_x11(backend)) {
++ wlr_x11_output_create(backend);
++ *done = true;
++ }
++#endif
++}
++
++void
++create_output(const Arg *arg)
++{
++ bool done = false;
++
++ if (!wlr_backend_is_multi(backend)) {
++ die("Expected a multi backend");
++ }
++
++ wlr_multi_for_each_backend(backend, _create_output, &done);
++
++ if (!done) {
++ die("Can only create outputs for Wayland, X11 or headless backends");
++ }
++}
++
+ #ifdef XWAYLAND
+ void
+ activatex11(struct wl_listener *listener, void *data)
+--
+2.43.2
+